@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --success-color: #059669;
    --warning-color: #d97706;
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Responsive font sizes */
    --font-size-xs: clamp(0.75rem, 2vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 2.5vw, 1rem);
    --font-size-base: clamp(1rem, 3vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 4vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 5vw, 2rem);
    --font-size-3xl: clamp(2rem, 6vw, 3rem);
    --font-size-4xl: clamp(2.5rem, 8vw, 3.75rem);
    
    /* Responsive spacing */
    --spacing-xs: clamp(0.25rem, 1vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 2vw, 1rem);
    --spacing-md: clamp(1rem, 3vw, 1.5rem);
    --spacing-lg: clamp(1.5rem, 4vw, 2rem);
    --spacing-xl: clamp(2rem, 5vw, 3rem);
    --spacing-2xl: clamp(3rem, 6vw, 4rem);
    --spacing-3xl: clamp(4rem, 8vw, 6rem);
}

/* Dark Mode Variables */
:root[data-theme="dark"] {
    --white: #0f172a;
    --black: #ffffff;
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-light: #334155;
    --border-medium: #475569;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.4);
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .parallax-shape,
    .parallax-overlay,
    .parallax-constellation {
        display: none !important;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Sharp vector background */
.vector-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.vector-shape {
    position: absolute;
    opacity: 0.03;
    transition: all 0.3s ease;
}

.vector-shape.circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--primary-color);
}

.vector-shape.square {
    width: 32px;
    height: 32px;
    border: 1px solid var(--primary-color);
    transform: rotate(45deg);
}

.vector-shape.triangle {
    width: 0;
    height: 0;
    border-left: 16px solid transparent;
    border-right: 16px solid transparent;
    border-bottom: 28px solid var(--primary-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Sharp Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@supports not (backdrop-filter: blur(20px)) {
    .navbar {
        background: rgba(255, 255, 255, 0.98);
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    height: 64px;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.025em;
    transition: color 0.2s ease;
}

.nav-logo:hover {
    color: var(--primary-color);
}

.logo-dot {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
    transform-origin: left;
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: scaleX(1);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

/* Enhanced navigation with better hover effects */
.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Sharp Hero Section */
.hero {
    min-height: 100vh;
    min-height: 100svh; /* Safari mobile fix */
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding-top: clamp(56px, 8vw, 64px);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.05em;
}

.typing-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--primary-color);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero enhancements */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    color: var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    animation: gentle-pulse 3s ease-in-out infinite;
    backdrop-filter: blur(10px);
    transition: all var(--transition-smooth);
}

.hero-badge:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(59, 130, 246, 0.1));
}

@keyframes gentle-pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.2);
    }
    50% { 
        transform: scale(1.01); 
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-bounce) 0.4s;
}

.hero-stat {
    text-align: center;
    flex: 1;
    transition: all var(--transition-smooth);
    cursor: pointer;
}

.hero-stat:hover {
    transform: translateY(-5px) scale(1.05);
}

.hero-stat .stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var (--primary-color);
    line-height: 1;
    transition: all var(--transition-smooth);
}

.hero-stat .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
    transition: color var(--transition-base);
}

.hero-stat:hover .stat-number {
    color: var(--secondary-color);
    text-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* Sharp Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    backdrop-filter: blur(10px);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-primary);
    border-color: var(--border-medium);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

/* Interactive Button Enhancements */
.interactive-btn {
    position: relative;
    overflow: hidden;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.interactive-btn:hover .btn-shine {
    left: 100%;
}

.interactive-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Enhanced button shine effect */
.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.5s ease;
    pointer-events: none;
}

.btn:hover .btn-shine {
    left: 100%;
}

/* Enhanced Solar System Tech Grid */
.hero-visual {
    position: relative;
    height: clamp(300px, 60vw, 500px);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: transform;
    transform-style: preserve-3d;
}

.tech-grid {
    position: relative;
    width: clamp(250px, 50vw, 400px);
    height: clamp(250px, 50vw, 400px);
    perspective: 1200px;
    transform-style: preserve-3d;
}

.grid-container {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* Remove old grid layers and replace with orbital paths */
.grid-layer {
    display: none;
}

/* Orbital Path Rings */
.orbital-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px dotted rgba(37, 99, 235, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    will-change: transform;
    animation-timing-function: linear;
}

.orbital-ring-1 {
    width: 160px;
    height: 160px;
    border-color: rgba(37, 99, 235, 0.4);
    animation: rotate-ring 30s linear infinite;
}

.orbital-ring-2 {
    width: 200px;
    height: 200px;
    border-color: rgba(59, 130, 246, 0.35);
    animation: rotate-ring 35s linear infinite reverse;
}

.orbital-ring-3 {
    width: 240px;
    height: 240px;
    border-color: rgba(37, 99, 235, 0.3);
    animation: rotate-ring 40s linear infinite;
}

.orbital-ring-4 {
    width: 280px;
    height: 280px;
    border-color: rgba(59, 130, 246, 0.25);
    animation: rotate-ring 45s linear infinite reverse;
}

.orbital-ring-5 {
    width: 320px;
    height: 320px;
    border-color: rgba(37, 99, 235, 0.2);
    animation: rotate-ring 50s linear infinite;
}

/* Central Hub */
.central-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.4);
    z-index: 10;
    will-change: transform, box-shadow;
    transition: all var(--transition-smooth);
}

.central-hub::before {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    animation: pulse-ring 2s ease-in-out infinite;
}

.central-hub i {
    font-size: 1.5rem;
    color: var(--white);
}

/* Enhanced central hub with pulsing effect */
.central-hub {
    position: relative;
}

.central-hub::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(37, 99, 235, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.6;
    }
}

/* Updated Tech Orbits - Non-overlapping circular paths */
.tech-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -24px 0 0 -24px;
    z-index: 5;
}

.tech-icon {
    position: absolute;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-smooth);
    cursor: pointer;
    will-change: transform;
    transform-style: preserve-3d;
}

.tech-icon:hover {
    transform: scale(1.2) translateZ(20px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    z-index: 20;
}

/* Enhanced tech icons with glow */
.tech-icon {
    position: relative;
    overflow: visible;
}

.tech-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.tech-icon:hover::before {
    opacity: 1;
}

/* Orbital Animations - Perfect circular motion */
.orbit-1 { 
    animation: orbit-circular-1 25s linear infinite;
}

.orbit-2 { 
    animation: orbit-circular-2 30s linear infinite reverse;
}

.orbit-3 { 
    animation: orbit-circular-3 35s linear infinite;
}

.orbit-4 { 
    animation: orbit-circular-4 40s linear infinite reverse;
}

.orbit-5 { 
    animation: orbit-circular-5 45s linear infinite;
}

/* Perfect Circular Orbit Animations */
@keyframes orbit-circular-1 {
    0% { transform: rotate(0deg) translateX(80px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(80px) rotate(-360deg); }
}

@keyframes orbit-circular-2 {
    0% { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

@keyframes orbit-circular-3 {
    0% { transform: rotate(0deg) translateX(120px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

@keyframes orbit-circular-4 {
    0% { transform: rotate(0deg) translateX(140px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(140px) rotate(-360deg); }
}

@keyframes orbit-circular-5 {
    0% { transform: rotate(0deg) translateX(160px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(160px) rotate(-360deg); }
}

@keyframes rotate-ring {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse-ring {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.6;
    }
}

/* Fixed tooltip that appears above icon on hover */
.tech-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.tech-icon::before {
    content: '';
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--gray-900);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
}

.tech-icon:hover::after,
.tech-icon:hover::before {
    opacity: 1;
}

/* Responsive adjustments for solar system */
@media (max-width: 768px) {
    .tech-grid {
        width: 300px;
        height: 300px;
    }
    
    .orbital-ring-1 { width: 120px; height: 120px; }
    .orbital-ring-2 { width: 150px; height: 150px; }
    .orbital-ring-3 { width: 180px; height: 180px; }
    .orbital-ring-4 { width: 210px; height: 210px; }
    .orbital-ring-5 { width: 240px; height: 240px; }
    
    .central-hub {
        width: 45px;
        height: 45px;
    }
    
    .central-hub i {
        font-size: 1.2rem;
    }
    
    .tech-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    @keyframes orbit-circular-1 {
        0% { transform: rotate(0deg) translateX(60px) rotate(0deg); }
        100% { transform: rotate(360deg) translateX(60px) rotate(-360deg); }
    }
    
    @keyframes orbit-circular-2 {
        0% { transform: rotate(0deg) translateX(75px) rotate(0deg); }
        100% { transform: rotate(360deg) translateX(75px) rotate(-360deg); }
    }
    
    @keyframes orbit-circular-3 {
        0% { transform: rotate(0deg) translateX(90px) rotate(0deg); }
        100% { transform: rotate(360deg) translateX(90px) rotate(-360deg); }
    }
    
    @keyframes orbit-circular-4 {
        0% { transform: rotate(0deg) translateX(105px) rotate(0deg); }
        100% { transform: rotate(360deg) translateX(105px) rotate(-360deg); }
    }
    
    @keyframes orbit-circular-5 {
        0% { transform: rotate(0deg) translateX(120px) rotate(0deg); }
        100% { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
    }
}

/* Sharp Tech Icons */
.tech-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    border-radius: 50%;
}

.tech-icon {
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-smooth);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.tech-icon:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

/* Fixed tooltip that appears above icon on hover */
.tech-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.tech-icon::before {
    content: '';
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--gray-900);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
}

.tech-icon:hover::after,
.tech-icon:hover::before {
    opacity: 1;
}

.orbit-1 { animation: orbit-1 20s linear infinite; }
.orbit-2 { animation: orbit-2 25s linear infinite; }
.orbit-3 { animation: orbit-3 30s linear infinite; }
.orbit-4 { animation: orbit-4 35s linear infinite; }
.orbit-5 { animation: orbit-5 40s linear infinite; }

/* Data particles */
.data-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    will-change: transform;
    box-shadow: 0 0 4px rgba(37, 99, 235, 0.5);
    animation: float-particle 12s ease-in-out infinite;
}

/* Sharp animations */
@keyframes rotate-grid {
    0% { transform: rotateY(0deg) rotateX(0deg); }
    100% { transform: rotateY(360deg) rotateX(360deg); }
}

@keyframes orbit-1 {
    0% { transform: rotate(0deg) translateX(140px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(140px) rotate(-360deg); }
}

@keyframes orbit-2 {
    0% { transform: rotate(72deg) translateX(110px) rotate(-72deg); }
    100% { transform: rotate(432deg) translateX(110px) rotate(-432deg); }
}

@keyframes orbit-3 {
    0% { transform: rotate(144deg) translateX(170px) rotate(-144deg); }
    100% { transform: rotate(504deg) translateX(170px) rotate(-504deg); }
}

@keyframes orbit-4 {
    0% { transform: rotate(216deg) translateX(90px) rotate(-216deg); }
    100% { transform: rotate(576deg) translateX(90px) rotate(-576deg); }
}

@keyframes orbit-5 {
    0% { transform: rotate(288deg) translateX(130px) rotate(-288deg); }
    100% { transform: rotate(648deg) translateX(130px) rotate(-648deg); }
}

@keyframes float-particle {
    0%, 100% { 
        transform: translateY(0px) translateX(0px);
        opacity: 0.4;
    }
    50% { 
        transform: translateY(-20px) translateX(10px);
        opacity: 0.8;
    }
}

/* Sharp Cards */
.stat-card, .project-card, .profile-card, .contact-item {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform-style: preserve-3d;
}

.stat-card::before, .project-card::before, .profile-card::before, .contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.stat-card:hover::before, .project-card:hover::before, .profile-card:hover::before, .contact-item:hover::before {
    transform: scaleX(1);
}

.stat-card:hover, .project-card:hover, .profile-card:hover, .contact-item:hover {
    transform: translateY(-8px) scale(1.02) rotateX(5deg);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

/* Enhanced cards with better shadows and gradients */
.stat-card, .project-card, .skill-item, .email-card {
    position: relative;
    background: linear-gradient(135deg, var(--white) 0%, rgba(249, 250, 251, 0.8) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
}

.stat-card:hover, .project-card:hover, .skill-item:hover, .email-card:hover {
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(37, 99, 235, 0.1),
        0 0 30px rgba(37, 99, 235, 0.1);
    transform: translateY(-8px) scale(1.02);
}

/* Enhanced Interactive Elements */
.custom-cursor {
    display: none !important;
}

.cursor-dot {
    display: none !important;
}

.cursor-outline {
    display: none !important;
}

/* Card reveal overlays */
.card-reveal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: inherit;
}

/* Ripple effects */
.ripple-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    border-radius: inherit;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Particle effects */
@keyframes particle-fade {
    0% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    100% {
        opacity: 0;
        transform: scale(0.5) translateY(-20px);
    }
}

/* Skill pulse animation */
@keyframes skill-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.8);
    }
}

/* Floating labels */
.floating-label {
    position: absolute;
    left: 12px;
    top: 12px;
    background: var(--white);
    padding: 0 8px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    pointer-events: none;
    font-size: 14px;
    color: var(--text-secondary);
    transform-origin: left center;
}

/* Enhanced Card Interactions */
.interactive-card {
    position: relative;
    overflow: hidden;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.interactive-card:hover::before {
    transform: scaleX(1);
}

.interactive-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Sharp sections */
.stats-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.about-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.projects-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.skills-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--gray-50), var(--white));
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.contact-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

@media (max-width: 768px) {
    .stats-section,
    .about-section,
    .projects-section,
    .skills-section,
    .contact-section {
        padding: var(--spacing-2xl) 0;
        overflow: visible; /* Prevent clipping on mobile */
    }
}

/* Sharp section headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    will-change: transform, filter;
    transition: all var(--transition-smooth);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-block;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Enhanced stats with better visual hierarchy */
.stat-number {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover .stat-number::after {
    opacity: 1;
}

/* About content */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.about-features {
    display: grid;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

.feature-item:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Interactive Features */
.interactive-feature {
    position: relative;
    overflow: hidden;
}

.interactive-feature::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.interactive-feature:hover::before {
    transform: scaleY(1);
}

.interactive-feature:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateX(8px) scale(1.02);
}

.profile-card {
    padding: 2rem;
    text-align: center;
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 2px solid var(--border-light);
    will-change: transform;
    transition: all var(--transition-smooth);
    transform-style: preserve-3d;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.profile-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    color: var(--text-secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Social Link Enhancements */
.social-link {
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
}

.social-link:hover::before {
    transform: scale(1);
}

.social-link i {
    position: relative;
    z-index: 2;
}

/* Projects */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-medium);
    background: var(--white);
    color: var (--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Enhanced filter buttons */
.filter-btn {
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.filter-btn.active::before,
.filter-btn:hover::before {
    opacity: 1;
}

.filter-btn.active,
.filter-btn:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Filter Button Enhancements */
.interactive-filter {
    position: relative;
    overflow: hidden;
}

.interactive-filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.interactive-filter:hover::before {
    left: 100%;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    justify-content: center;
}

@media (min-width: 768px) and (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin: 0 auto;
    }
}

.project-card {
    overflow: hidden;
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border: 1px solid var(--white);
    background: transparent;
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.btn-icon:hover {
    background: var(--white);
    color: var (--primary-color);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Enhanced project card hover effects */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(37, 99, 235, 0.15),
        0 0 0 1px rgba(37, 99, 235, 0.1);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.1) 25%, 
        transparent 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    opacity: 0;
}

.project-card:hover .project-image::after {
    transform: translateX(100%);
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Enhanced ripple effect for project cards */
.project-card {
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.project-card:hover::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Enhanced project card hover effects */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(37, 99, 235, 0.15),
        0 0 0 1px rgba(37, 99, 235, 0.1);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.1) 25%, 
        transparent 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    opacity: 0;
}

.project-card:hover .project-image::after {
    transform: translateX(100%);
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Enhanced ripple effect for project cards */
.project-card {
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.project-card:hover::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Enhanced project card hover effects */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(37, 99, 235, 0.15),
        0 0 0 1px rgba(37, 99, 235, 0.1);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.1) 25%, 
        transparent 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    opacity: 0;
}

.project-card:hover .project-image::after {
    transform: translateX(100%);
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Enhanced ripple effect for project cards */
.project-card {
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.project-card:hover::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Enhanced project card hover effects */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(37, 99, 235, 0.15),
        0 0 0 1px rgba(37, 99, 235, 0.1);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.1) 25%, 
        transparent 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    opacity: 0;
}

.project-card:hover .project-image::after {
    transform: translateX(100%);
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Enhanced ripple effect for project cards */
.project-card {
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.project-card:hover::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Enhanced project card hover effects */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(37, 99, 235, 0.15),
        0 0 0 1px rgba(37, 99, 235, 0.1);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--gray-100);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.1) 25%, 
        transparent 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    opacity: 0;
}

.project-card:hover .project-image::after {
    transform: translateX(100%);
    opacity: 1;
}

.project-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* Enhanced ripple effect for project cards */
.project-card {
    position: relative;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

.project-card:hover::after {
    width: 300px;
    height: 300px;
    opacity: 1;
}

/* Enhanced project overlay */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.95) 0%,
        rgba(59, 130, 246, 0.9) 100%
    );
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-actions {
    display: flex;
    gap: 0.75rem;
    animation: slide-up 0.4s ease-out;
}

@keyframes slide-up {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.btn-icon {
    width: 48px;
    height: 48px;
    border: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: inherit;
    z-index: -1;
}

.btn-icon:hover::before {
    transform: scale(1);
}

.btn-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
    border-color: var(--white);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: var(--white);
    padding: 1.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform-style: preserve-3d;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
}

.skill-item:hover::before {
    transform: translateX(0);
}

.skill-item:hover {
    transform: translateY(-6px) scale(1.02) rotateY(2deg);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    color: var(--primary-color);
    transition: all var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.skill-item:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.skill-info {
    flex: 1;
    position: relative;
    z-index: 2;
}

.skill-name {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: color var(--transition-base);
}

.skill-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    transition: color var (--transition-base);
}

.skill-level {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-bar {
    height: 6px;
    flex: 1;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 3px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

.skill-percentage {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: right;
    transition: all var(--transition-smooth);
}

.skill-item:hover .skill-percentage {
    transform: scale(1.1);
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Enhanced skill progress bars with gradients */
.skill-progress {
    position: relative;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transform: translateX(-100%);
    animation: shimmer-effect 2s infinite;
}

@keyframes shimmer-effect {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Enhanced Skill Section - Fix scrolling issues */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.skills-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.skills-sidebar h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.skills-sidebar p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.skills-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-nav-item {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    cursor: pointer;
    text-align: left;
    font-weight: 500;
    transition: all var(--transition-smooth);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.875rem;
}

.skill-nav-item:hover,
.skill-nav-item.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    border-left-color: var(--primary-color);
    transform: translateX(8px);
}

.skills-content {
    position: relative;
    min-height: 500px;
    overflow: hidden;
}

.skill-category {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
    pointer-events: none;
}

.skill-category.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Fix for mobile scrolling */
@media (max-width: 768px) {
    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-sidebar {
        position: relative;
        top: 0;
        height: auto;
    }
    
    .skills-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 1rem;
        gap: 0.25rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .skills-nav::-webkit-scrollbar {
        display: none;
    }
    
    .skill-nav-item {
        border-left: none;
        border-bottom: 3px solid transparent;
        border-radius: var(--radius) var(--radius) 0 0;
        white-space: nowrap;
        min-width: max-content;
        padding: 0.75rem 1.25rem;
    }
    
    .skill-nav-item:hover,
    .skill-nav-item.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-color);
        transform: translateY(-2px);
    }
    
    .skills-content {
        min-height: auto;
    }
    
    .skill-category {
        position: relative;
    }
    
    .skill-grid {
        grid-template-columns: 1fr;
    }
}

/* Enhanced Skill Section */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.skills-sidebar {
    position: sticky;
    top: 100px;
}

.skills-sidebar h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.skills-sidebar p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.skills-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-nav-item {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    cursor: pointer;
    text-align: left;
    font-weight: 500;
    transition: all var(--transition-smooth);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.skill-nav-item:hover,
.skill-nav-item.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    border-left-color: var(--primary-color);
    transform: translateX(8px);
}

.skills-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.skill-category {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
}

.skill-category.active {
    opacity: 1;
    transform: translateY(0);
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: var(--white);
    padding: 1.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform-style: preserve-3d;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
}

.skill-item:hover::before {
    transform: translateX(0);
}

.skill-item:hover {
    transform: translateY(-6px) scale(1.02) rotateY(2deg);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    color: var(--primary-color);
    transition: all var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.skill-item:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.skill-info {
    flex: 1;
    position: relative;
    z-index: 2;
}

.skill-name {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: color var(--transition-base);
}

.skill-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    transition: color var(--transition-base);
}

.skill-level {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-bar {
    height: 6px;
    flex: 1;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 3px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

.skill-percentage {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: right;
    transition: all var(--transition-smooth);
}

.skill-item:hover .skill-percentage {
    transform: scale(1.1);
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Contact */
.contact-simple {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.email-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform-style: preserve-3d;
}

.email-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.email-card:hover::before {
    transform: scaleX(1);
}

.email-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37, 99, 235, 0.2);
}

.email-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2rem;
    color: var(--white);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    transition: all var(--transition-smooth);
}

.email-card:hover .email-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}

.email-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.email-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1rem;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-smooth);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.email-link:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.contact-social .social-link {
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-smooth);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.contact-social .social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transform: scale(0);
    transition: transform var(--transition-smooth);
    border-radius: inherit;
}

.contact-social .social-link:hover::before {
    transform: scale(1);
}

.contact-social .social-link i {
    position: relative;
    z-index: 2;
    transition: color var(--transition-base);
}

.contact-social .social-link:hover {
    transform: translateY(-3px) scale(1.1);
}

.contact-social .social-link:hover i {
    color: var(--white);
}

/* Responsive adjustments for email card */
@media (max-width: 768px) {
    .email-card {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .email-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .email-content h3 {
        font-size: 1.25rem;
    }
    
    .email-link {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .contact-social {
        gap: 0.75rem;
    }
    
    .contact-social .social-link {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
    }
}

/* Remove old contact styles */
.contact-content,
.contact-info,
.contact-form,
.newsletter-section {
    display: none;
}

/* Footer */
.footer {
    padding: 2rem 0;
    background: var(--gray-900);
    color: var(--gray-300);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 0.5rem;
    border-radius: var(--radius);
}

.footer-links a:hover {
    color: var(--white);
    background: var(--gray-800);
}

/* Enhanced Footer */
.footer {
    padding: 3rem 0 1rem;
    background: var(--gray-900);
    color: var(--gray-300);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand p {
    margin: 1rem 0;
    line-height: 1.6;
    max-width: 400px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.footer-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
}

.footer-badges {
    display: flex;
    gap: 1rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    border-radius: var (--radius);
    font-size: 0.875rem;
    color: var(--gray-300);
}

.badge i {
    color: var(--primary-color);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    z-index: 1001;
    background: var(--white);
    border: 2px solid var(--border-light);
    border-radius: 50px;
    width: clamp(48px, 8vw, 56px);
    height: clamp(24px, 4vw, 28px);
    cursor: pointer;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    padding: 2px;
    backdrop-filter: blur(16px);
    will-change: transform;
}

.theme-toggle:hover {
    transform: translateY(-50%) scale(1.05) rotateZ(5deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.theme-toggle-slider {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    transition: all var(--transition-smooth);
    left: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

:root[data-theme="dark"] .theme-toggle-slider {
    transform: translateX(28px);
}

.theme-toggle-icon {
    font-size: 10px;
    color: var(--white);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .theme-toggle {
        right: var(--spacing-sm);
        top: auto;
        bottom: var(--spacing-lg);
        transform: none;
    }
    
    .theme-toggle:hover {
        transform: scale(1.05);
    }
}

/* Enhanced theme toggle */
.theme-toggle {
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.theme-toggle:hover {
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05),
        0 0 0 1px rgba(37, 99, 235, 0.1),
        0 0 20px rgba(37, 99, 235, 0.2);
}

/* Dark mode overrides */
:root[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.8);
    border-bottom-color: var(--border-light);
}

:root[data-theme="dark"] .theme-toggle {
    background: var(--gray-100);
    border-color: var(--border-light);
}

/* Dark mode enhancements */
:root[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .project-card,
:root[data-theme="dark"] .skill-item,
:root[data-theme="dark"] .email-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 1px solid rgba(51, 65, 85, 0.3);
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] textarea {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(51, 65, 85, 0.5);
}

:root[data-theme="dark"] input:focus,
:root[data-theme="dark"] textarea:focus {
    background: rgba(30, 41, 59, 0.95);
    border-color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .tech-grid {
        width: 300px;
        height: 300px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 3rem;
    }
    
    .timeline-item::before {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-date {
        text-align: left;
        margin-bottom: 1rem;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex: none;
        width: 100%;
        max-width: 400px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .blog-card.featured {
        grid-column: span 1;
    }

    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-sidebar {
        position: relative;
        top: 0;
    }
    
    .skills-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .skill-nav-item {
        border-left: none;
        border-bottom: 3px solid transparent;
        border-radius: var(--radius) var(--radius) 0 0;
        white-space: nowrap;
    }
    
    .skill-nav-item:hover,
    .skill-nav-item.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-color);
        transform: translateY(-2px);
    }
    
    .skill-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .theme-toggle {
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Hamburger menu styles */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.25rem;
}

.hamburger span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    margin: 2px 0;
    transition: 0.2s;
    border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-4px, 4px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-4px, -4px);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 64px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.2s;
        box-shadow: var(--shadow-lg);
        padding: 1rem 0;
        border-top: 1px solid var(--border-light);
    }
    
    .nav-menu.active {
        left: 0;
    }
}

/* Loading screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity var(--transition-smooth);
}

.loading-content {
    text-align: center;
}

.loading-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.loading-text {
    font-size: 0.875rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.loading-progress {
    width: 300px;
    height: 3px;
    background: var(--gray-200);
    border-radius: 1.5px;
    overflow: hidden;
}

.loading-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1.5px;
    transition: width var(--transition-smooth);
}

/* Enhanced loading screen */
.loading-screen {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
}

.loading-logo {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logo-pulse 2s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% {
        transform: scale(1);
        filter: brightness(1);
    }
    50% {
        transform: scale(1.05);
        filter: brightness(1.2);
    }
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 16px;
    height: 16px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: rotate(45deg);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 0; transform: translateY(-8px) rotate(45deg); }
    50% { opacity: 1; transform: translateY(0) rotate(45deg); }
    100% { opacity: 0; transform: translateY(8px) rotate(45deg); }
}

/* Enhanced scroll indicators */
.scroll-arrow {
    animation: bounce-arrow 2s infinite, glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.6), 0 0 30px rgba(37, 99, 235, 0.4);
    }
}

/* Animation states */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px) rotateX(10deg);
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: transform, opacity;
}

@media (max-width: 768px) {
    .scroll-animate {
        transform: translateY(20px);
        transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
}

.scroll-animate.animate-in {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

/* Remove old neon styles */
.floating-card {
    display: none;
}

/* Tooltip Styles */
.tooltip {
    position: fixed;
    background: var(--gray-900);
    color: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    pointer-events: none;
    z-index: 10000;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

[data-tooltip] {
    position: relative;
}

/* Tech Icon Tooltips */
.tech-icon[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    z-index: 1000;
}

/* Experience Timeline */
.experience-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

/* Remove the timeline line completely */
.timeline::before {
    display: none;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

/* Remove all timeline dots/indicators */
.timeline-item::before {
    display: none;
}

.timeline-date {
    flex: 0 0 120px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    font-size: 0.875rem;
}

.timeline-content {
    flex: 1;
    background: var (--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    margin: 0 2rem;
    transition: all 0.3s ease;
}

.timeline-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.timeline-skills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.skill-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Timeline Enhancements */
.interactive-timeline:hover .timeline-content {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.timeline-content {
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.interactive-timeline:hover .timeline-content::before {
    transform: scaleY(1);
}

/* Mobile timeline adjustments */
@media (max-width: 768px) {
    .timeline::before {
        display: none; /* Ensure timeline line is hidden on mobile too */
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 0; /* Remove left padding since no timeline line */
    }
    
    .timeline-item::before {
        display: none; /* Ensure dots are hidden on mobile */
    }
    
    .timeline-date {
        text-align: left;
        margin-bottom: 1rem;
        flex: none;
    }
    
    .timeline-content {
        margin: 0;
        width: 100%;
    }
}

/* Blog Section */
.blog-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-card.featured {
    grid-column: span 2;
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.blog-tag {
    padding: 0.25rem 0.75rem;
    background: var (--gray-100);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var (--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-link:hover {
    color: var(--secondary-color);
    transform: translateX(4px);
}

/* Blog Card Enhancements */
.interactive-blog {
    cursor: pointer;
    position: relative;
}

.interactive-blog::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(37, 99, 235, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.interactive-blog:hover::after {
    opacity: 1;
}

.interactive-blog:hover {
    transform: translateY(-8px) scale(1.02);
}

.blog-link {
    position: relative;
    overflow: hidden;
}

.blog-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.blog-link:hover::before {
    width: 100%;
}

/* Newsletter Section */
.newsletter-section {
    padding: 4rem 0;
    background: var(--primary-color);
    color: var(--white);
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.newsletter-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    flex: 0 0 400px;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 0.875rem;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form .btn {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
}

.newsletter-form .btn:hover {
    background: var(--gray-100);
    transform: translateY(-1px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .tech-grid {
        width: 300px;
        height: 300px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 3rem;
    }
    
    .timeline-item::before {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-date {
        text-align: left;
        margin-bottom: 1rem;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex: none;
        width: 100%;
        max-width: 400px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .blog-card.featured {
        grid-column: span 1;
    }

    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skills-sidebar {
        position: relative;
        top: 0;
    }
    
    .skills-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .skill-nav-item {
        border-left: none;
        border-bottom: 3px solid transparent;
        border-radius: var(--radius) var(--radius) 0 0;
        white-space: nowrap;
    }
    
    .skill-nav-item:hover,
    .skill-nav-item.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-color);
        transform: translateY(-2px);
    }
    
    .skill-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .theme-toggle {
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Sparkle effect styles */
.sparkle {
    animation: sparkle-fade 1s ease-out forwards;
}

@keyframes sparkle-fade {
    0% { 
        opacity: 1; 
        transform: scale(0) rotate(0deg); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1) rotate(180deg); 
    }
    100% { 
        opacity: 0; 
        transform: scale(0.5) rotate(360deg); 
    }
}

/* Entrance ripple effect */
@keyframes entrance-ripple {
    to {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}

/* Enhanced form elements */
input, textarea {
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(229, 231, 235, 0.8);
}

input:focus, textarea:focus {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 3px rgba(37, 99, 235, 0.1),
        0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Performance optimizations */
* {
    will-change: auto;
}

.stat-card, .project-card, .skill-item, .tech-icon {
    will-change: transform;
}

.skill-progress {
    will-change: width;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .custom-cursor,
    .particle-canvas,
    .cursor-particle {
        display: none !important;
    }
}