/* ============================================
   CSS Variables & Reset - Premium Design System
   ============================================ */
:root {
    /* Light Theme Colors - Premium Palette */
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f7fa;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #2563EB;
    --accent-light: #3B82F6;
    --accent-dark: #1E40AF;
    --accent-gradient: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    --accent-hover: #1D4ED8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-accent: 0 10px 40px -10px rgba(37, 99, 235, 0.4);
    --glow: 0 0 20px rgba(37, 99, 235, 0.3);
    
    /* Typography - Enhanced */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.7;
    --letter-spacing: -0.02em;
    
    /* Spacing - Refined */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Transitions - Smooth */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #1a1f2e;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border: #1e293b;
    --border-light: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --shadow-accent: 0 10px 40px -10px rgba(37, 99, 235, 0.5);
    --glow: 0 0 30px rgba(37, 99, 235, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
    position: relative;
}

html::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 25%, rgba(37, 99, 235, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 85% 75%, rgba(37, 99, 235, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: floatBackground 25s ease-in-out infinite;
}

[data-theme="dark"] html::before {
    background: 
        radial-gradient(circle at 15% 25%, rgba(37, 99, 235, 0.1) 0%, transparent 25%),
        radial-gradient(circle at 85% 75%, rgba(37, 99, 235, 0.1) 0%, transparent 25%),
        radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
}

@keyframes floatBackground {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(20px, -20px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--line-height);
    letter-spacing: var(--letter-spacing);
    transition: background-color var(--transition-slow), color var(--transition-slow);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    z-index: 1;
}

/* Background Pattern & Effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.04) 0%, transparent 60%),
        linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, transparent 50%),
        linear-gradient(45deg, rgba(37, 99, 235, 0.02) 0%, transparent 50%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 200% 200%, 200% 200%;
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
    pointer-events: none;
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

[data-theme="dark"] body::before {
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
        linear-gradient(135deg, rgba(37, 99, 235, 0.04) 0%, transparent 50%),
        linear-gradient(45deg, rgba(37, 99, 235, 0.04) 0%, transparent 50%);
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(37, 99, 235, 0.02) 2px, rgba(37, 99, 235, 0.02) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(37, 99, 235, 0.02) 2px, rgba(37, 99, 235, 0.02) 4px);
    background-size: 50px 50px, 50px 50px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
    animation: gridMove 30s linear infinite;
}

[data-theme="dark"] body::after {
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(37, 99, 235, 0.04) 2px, rgba(37, 99, 235, 0.04) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(37, 99, 235, 0.04) 2px, rgba(37, 99, 235, 0.04) 4px);
    opacity: 0.2;
}

@keyframes backgroundShift {
    0%, 100% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
    }
    50% {
        background-position: 10% 10%, -10% -10%, 5% 5%, 20% 20%, -20% -20%;
    }
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ============================================
   Loader
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

.loader-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Navigation - Premium Glassmorphism
   ============================================ */
.nav {
    position: fixed;
    top: var(--spacing-sm);
    left: var(--spacing-md);
    right: var(--spacing-md);
    width: calc(100% - 4rem);
    max-width: 1400px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}

[data-theme="dark"] .nav {
    background: rgba(28, 28, 30, 0.7);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    transition: var(--transition);
}

.nav-logo a:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    margin-left: var(--spacing-sm);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: rotate(15deg) scale(1.1);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.theme-icon {
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: inline-block;
}

.theme-toggle:hover .theme-icon {
    color: var(--accent);
    transform: rotate(180deg);
    filter: drop-shadow(0 0 8px rgba(37, 99, 235, 0.5));
}

/* Nav Actions Container */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Download Button */
.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 
                inset 0 1px 0 rgba(255, 255, 255, 0.5), 
                inset 0 -1px 0 rgba(255, 255, 255, 0.1), 
                inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    min-width: fit-content;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
}

.download-btn i {
    font-size: 1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-btn span {
    transition: var(--transition);
    letter-spacing: 0.02em;
}

[data-theme="dark"] .download-btn {
    background: rgba(44, 44, 46, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1), 
                inset 0 -1px 0 rgba(255, 255, 255, 0.05), 
                inset 0 0 2px 1px rgba(255, 255, 255, 0.05);
}

.download-btn:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: var(--accent);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.4), 
                inset 0 1px 0 rgba(255, 255, 255, 0.7), 
                inset 0 -1px 0 rgba(255, 255, 255, 0.2), 
                inset 0 0 2px 1px rgba(255, 255, 255, 0.2),
                0 0 25px rgba(37, 99, 235, 0.5);
    color: var(--accent);
}

.download-btn:hover i {
    transform: translateY(-2px) rotate(-5deg);
    color: var(--accent);
    filter: drop-shadow(0 0 10px rgba(37, 99, 235, 0.8));
}

.download-btn:hover span {
    color: var(--accent);
    transform: translateX(2px);
}

.download-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.5), 
                inset 0 -1px 0 rgba(255, 255, 255, 0.1);
}

/* ============================================
   Hero Section - Premium Design
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xl);
    margin-top: 100px;
    position: relative;
    overflow: hidden;
    background: transparent;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.6s ease 0.2s both;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
}

.hero-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
}

.hero-badge:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .hero-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .hero-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
}

.hero-badge i {
    font-size: 1rem;
    display: inline-block;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.04em;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.name-highlight {
    color: var(--accent);
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.title-line.highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    width: 100%;
    height: 0.15em;
    background: var(--accent-gradient);
    opacity: 0.2;
    border-radius: var(--radius-full);
    z-index: -1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 600px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease 0.5s both;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.05);
}

.stat-item:nth-child(2) {
    animation-delay: 0.6s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.7s;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
}

.stat-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
}

.stat-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.8s both;
}

.hero-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.hero-cta .btn span:last-child,
.hero-cta .btn i {
    transition: transform var(--transition);
}

.hero-cta .btn:hover span:last-child,
.hero-cta .btn:hover i {
    transform: translateX(4px);
}

.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.hero-3d-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.hero-3d-image-wrapper {
    position: relative;
    width: 400px;
    height: 500px;
    transform-style: preserve-3d;
    animation: float3D 6s ease-in-out infinite;
}

.hero-3d-image {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
    z-index: 1;
    transform: translateZ(0);
}

.hero-3d-image:hover {
    transform: rotateY(5deg) rotateX(-5deg) scale(1.05);
}

.professional-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-accent);
    border: 3px solid rgba(37, 99, 235, 0.2);
    transform: translateZ(0);
    filter: brightness(1.05) contrast(1.1) saturate(1.1);
    transition: all var(--transition);
    background: var(--bg-tertiary);
    position: relative;
    z-index: 1;
}

.professional-image:hover {
    filter: brightness(1.1) contrast(1.15) saturate(1.2);
    box-shadow: var(--shadow-xl), 0 0 50px rgba(37, 99, 235, 0.4);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    border-radius: var(--radius-2xl);
    pointer-events: none;
    z-index: 2;
}

@keyframes float3D {
    0%, 100% {
        transform: translateY(0px) rotateY(0deg);
    }
    25% {
        transform: translateY(-15px) rotateY(2deg);
    }
    50% {
        transform: translateY(-25px) rotateY(0deg);
    }
    75% {
        transform: translateY(-15px) rotateY(-2deg);
    }
}

/* 3D Parallax Effect */
.hero-3d-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: var(--accent-gradient);
    border-radius: var(--radius-2xl);
    opacity: 0.1;
    filter: blur(30px);
    z-index: -1;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.1;
        transform: scale(1);
    }
    50% {
        opacity: 0.2;
        transform: scale(1.1);
    }
}

/* Enhanced floating cards positioning around 3D image */
.hero-3d-image-wrapper .floating-card {
    position: absolute;
    z-index: 100;
    transform: translateZ(100px);
}

.hero-3d-image-wrapper .card-1 {
    top: -20px;
    left: -80px;
    animation: float 6s ease-in-out infinite;
}

.hero-3d-image-wrapper .card-2 {
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    animation: float 6s ease-in-out infinite 2s;
}

.hero-3d-image-wrapper .card-3 {
    bottom: -20px;
    left: -60px;
    animation: float 6s ease-in-out infinite 4s;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
    animation: float 6s ease-in-out infinite;
    transition: var(--transition);
}

[data-theme="dark"] .floating-card {
    background: rgba(44, 44, 46, 0.7);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-accent);
    border-color: var(--accent);
}

/* Card positions are now handled within hero-3d-image-wrapper */

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.3));
    animation: floatIcon 3s ease-in-out infinite;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    display: inline-block;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.floating-card p {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.hero-gradient {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.1;
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--accent);
    animation: scrollLine 2s infinite;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollLine {
    0% { height: 0; opacity: 0; }
    50% { height: 30px; opacity: 1; }
    100% { height: 0; opacity: 0; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-family);
}

.btn-primary {
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 0.5px solid rgba(37, 99, 235, 0.3);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.05);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    background: transparent;
    position: relative;
    z-index: 1;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(37, 99, 235, 0.03) 0%, transparent 30%);
    pointer-events: none;
    z-index: -1;
}

[data-theme="dark"] section::before {
    background: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(37, 99, 235, 0.06) 0%, transparent 30%);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(30, 64, 175, 0.1));
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: transparent;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.about-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
}

.about-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    width: 100%;
}

.feature-item {
    text-align: left;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 200px;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
    z-index: 1;
}

.feature-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
    z-index: 1;
}

.feature-item:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .feature-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .feature-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 2px 1px rgba(255, 255, 255, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    line-height: 1;
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.2));
    transition: var(--transition);
    animation: iconFloat 3s ease-in-out infinite;
    color: var(--accent);
}

.feature-icon i {
    display: inline-block;
}

.feature-item:nth-child(2) .feature-icon {
    animation-delay: 1s;
}

.feature-item:nth-child(3) .feature-icon {
    animation-delay: 2s;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.1);
    }
}

.feature-item:hover .feature-icon {
    transform: translateY(-5px) scale(1.15);
    filter: drop-shadow(0 8px 16px rgba(37, 99, 235, 0.4));
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.feature-item p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    flex-grow: 1;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

.placeholder-content {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-content span {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.about-profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-profile-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
}

.image-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-weight: 600;
    border: 0.5px solid rgba(37, 99, 235, 0.3);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

/* ============================================
   Skills Section
   ============================================ */
.skills-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.skill-category {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    font-size: 0.9rem;
    color: var(--text-secondary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

[data-theme="dark"] .skill-category {
    background: rgba(44, 44, 46, 0.5);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.skill-category:hover,
.skill-category.active {
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.skills-swiper-wrapper {
    position: relative;
    padding: var(--spacing-sm) 50px;
    margin: 0 auto;
    max-width: 1400px;
}

.skills-swiper {
    overflow: visible;
    padding-bottom: 60px;
    position: relative;
}

.skills-swiper .swiper-wrapper {
    align-items: stretch;
}

.skills-swiper .swiper-slide {
    height: auto;
    display: flex;
}

.skills-grid {
    display: flex;
    gap: var(--spacing-md);
}

.skill-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .skill-item {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.skill-icon-wrapper {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
    border: 0.5px solid rgba(37, 99, 235, 0.25);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.15), 0 1px 0 rgba(255, 255, 255, 0.3) inset;
}

.skill-icon {
    font-size: 2rem;
    color: var(--accent);
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.3));
}

.skill-item:hover .skill-icon-wrapper {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(30, 64, 175, 0.2));
    border-color: var(--accent);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.skill-item:hover .skill-icon {
    transform: scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.5));
}

.skill-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.skill-item:hover::after {
    opacity: 1;
}

.skill-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .skill-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-level {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.skill-bar {
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Swiper Navigation & Pagination */
.skills-nav-next,
.skills-nav-prev {
    width: 64px;
    height: 64px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    backdrop-filter: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    opacity: 1 !important;
    visibility: visible !important;
    margin-top: 0;
}

.skills-nav-prev {
    left: -82px;
}

.skills-nav-next {
    right: -82px;
}

.skills-nav-next::after,
.skills-nav-prev::after {
    display: none;
}

.skills-nav-next i,
.skills-nav-prev i {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skills-nav-prev i {
    margin-left: -2px;
}

.skills-nav-next i {
    margin-right: -2px;
}

.skills-nav-next:hover,
.skills-nav-prev:hover {
    background: transparent;
    border: none;
    transform: translateY(-50%) scale(1.2);
    box-shadow: none;
}

.skills-nav-next:hover i,
.skills-nav-prev:hover i {
    color: var(--accent);
    transform: scale(1.2);
    filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.4));
}

.skills-nav-next:active,
.skills-nav-prev:active {
    transform: translateY(-50%) scale(1.1);
}

.skills-nav-next.swiper-button-disabled,
.skills-nav-prev.swiper-button-disabled {
    opacity: 0.2;
    cursor: not-allowed;
    pointer-events: none;
    background: transparent;
    border: none;
}

.skills-nav-next.swiper-button-disabled i,
.skills-nav-prev.swiper-button-disabled i {
    color: var(--text-muted);
}

.skills-pagination {
    bottom: 0 !important;
    position: relative;
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.skills-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-light);
    opacity: 1;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0 5px;
    cursor: pointer;
    border-radius: 50%;
}

.skills-pagination .swiper-pagination-bullet:hover {
    transform: scale(1.3);
    border-color: var(--accent);
    background: rgba(37, 99, 235, 0.3);
}

.skills-pagination .swiper-pagination-bullet-active {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.4);
    width: 24px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
}

/* Responsive Swiper Styles */
@media (max-width: 1200px) {
    .skills-swiper-wrapper {
        padding: var(--spacing-xl) 90px;
    }
    
    .skills-nav-prev {
        left: -70px;
    }
    
    .skills-nav-next {
        right: -70px;
    }
}

@media (max-width: 1024px) {
    .skills-swiper-wrapper {
        padding: var(--spacing-lg) 80px;
    }
    
    .skills-nav-next,
    .skills-nav-prev {
        width: 56px;
        height: 56px;
    }
    
    .skills-nav-next i,
    .skills-nav-prev i {
        font-size: 1.3rem;
    }
    
    .skills-nav-prev {
        left: -60px;
    }
    
    .skills-nav-next {
        right: -60px;
    }
}

@media (max-width: 768px) {
    .skills-swiper-wrapper {
        padding: var(--spacing-lg) 70px;
    }
    
    .skills-nav-next,
    .skills-nav-prev {
        width: 52px;
        height: 52px;
    }
    
    .skills-nav-next i,
    .skills-nav-prev i {
        font-size: 1.2rem;
    }
    
    .skills-nav-prev {
        left: -50px;
    }
    
    .skills-nav-next {
        right: -50px;
    }
}

@media (max-width: 640px) {
    .skills-swiper-wrapper {
        padding: var(--spacing-md) 60px;
    }
    
    .skills-nav-next,
    .skills-nav-prev {
        width: 48px;
        height: 48px;
    }
    
    .skills-nav-next i,
    .skills-nav-prev i {
        font-size: 1.1rem;
    }
    
    .skills-nav-prev {
        left: -40px;
    }
    
    .skills-nav-next {
        right: -40px;
    }
}

@media (max-width: 480px) {
    .skills-swiper-wrapper {
        padding: var(--spacing-md) 50px;
    }
    
    .skills-nav-next,
    .skills-nav-prev {
        width: 44px;
        height: 44px;
    }
    
    .skills-nav-next i,
    .skills-nav-prev i {
        font-size: 1rem;
    }
    
    .skills-nav-prev {
        left: -30px;
    }
    
    .skills-nav-next {
        right: -30px;
    }
    
    .skills-pagination .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
        margin: 0 4px;
    }
    
    .skills-pagination .swiper-pagination-bullet-active {
        width: 20px;
    }
}

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

/* ============================================
   Experience Section - Award-Winning Design
   ============================================ */
.experience {
    background: transparent;
    position: relative;
    overflow: visible;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--accent), transparent);
    opacity: 0.1;
    z-index: 0;
}

.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    z-index: 1;
    overflow: visible;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    transform: translateX(-50%);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: visible;
    z-index: 1;
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    min-height: 0;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
    z-index: 2;
    transform-origin: top;
    will-change: height, top;
    opacity: 1;
    visibility: visible;
}

.timeline-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.8),
                0 0 60px rgba(37, 99, 235, 0.4),
                inset 0 0 10px rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.5);
    animation: glowPulse 2s ease-in-out infinite;
    overflow: visible;
    pointer-events: none;
}

.timeline-glow.active {
    opacity: 1;
}

.timeline-glow::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--accent);
    animation: ripple 2s ease-out infinite;
}

.timeline-glow i {
    position: relative;
    z-index: 2;
    color: white;
    font-size: 0.9rem;
    animation: iconRun 1.5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: translateX(-50%) translateY(-50%) scale(1);
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.8),
                    0 0 60px rgba(37, 99, 235, 0.4),
                    inset 0 0 10px rgba(255, 255, 255, 0.3);
    }
    50% {
        transform: translateX(-50%) translateY(-50%) scale(1.1);
        box-shadow: 0 0 40px rgba(37, 99, 235, 1),
                    0 0 80px rgba(37, 99, 235, 0.6),
                    inset 0 0 15px rgba(255, 255, 255, 0.4);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes iconRun {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(2px) translateY(-2px);
    }
    50% {
        transform: translateX(0) translateY(-3px);
    }
    75% {
        transform: translateX(-2px) translateY(-2px);
    }
}

.timeline-items {
    position: relative;
    z-index: 2;
}

/* Timeline::before removed - using new timeline-line structure */

/* Old timeline styles removed - using new award-winning design */

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: flex-start;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    min-height: 200px;
    visibility: visible;
}

.timeline-item:not(.animate) {
    opacity: 0.3;
    transform: translateY(30px) scale(0.95);
}

.timeline-item.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
    justify-content: flex-start;
    padding-right: calc(50% + 40px);
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: left;
    margin-right: 0;
    padding-right: 0;
    flex: 0 0 calc(50% - 50px);
    max-width: 500px;
    min-width: 400px;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
    justify-content: flex-start;
    padding-left: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
    margin-left: 0;
    padding-left: 0;
    flex: 0 0 calc(50% - 50px);
    max-width: 500px;
    min-width: 400px;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transform: translateX(-50%);
    margin-left: 0;
    margin-right: 0;
}

.timeline-item:nth-child(odd) .timeline-marker {
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:nth-child(even) .timeline-marker {
    left: 50%;
    transform: translateX(-50%);
}

.marker-core {
    width: 24px;
    height: 24px;
    background: var(--accent-gradient);
    border: 4px solid var(--bg-secondary);
    border-radius: 50%;
    position: relative;
    z-index: 3;
    transform: scale(0);
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
}

.timeline-item.animate .marker-core {
    transform: scale(1);
    animation: corePulse 2s ease-in-out infinite;
}

.marker-ring {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.6s ease 0.2s;
}

.timeline-item.animate .marker-ring {
    opacity: 0.3;
    transform: scale(1);
    animation: ringRotate 3s linear infinite;
}

.marker-pulse {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.6s ease 0.4s;
}

.timeline-item.animate .marker-pulse {
    animation: pulseWave 2s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4),
                    0 0 0 0 rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0),
                    0 0 0 20px rgba(37, 99, 235, 0);
    }
}

@keyframes ringRotate {
    0% {
        transform: scale(1) rotate(0deg);
    }
    100% {
        transform: scale(1) rotate(360deg);
    }
}

@keyframes pulseWave {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.timeline-content {
    flex: 0 0 calc(50% - 50px);
    max-width: 500px;
    min-width: 400px;
    position: relative;
    margin-top: 0;
    width: calc(50% - 50px);
}

.timeline-year {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.6s ease 0.2s;
}

.timeline-item.animate .timeline-year {
    opacity: 1;
    transform: translateY(0);
}

.timeline-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    position: relative;
    overflow: hidden;
    transform: translateX(0) scale(1);
    opacity: 1;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    min-width: 100%;
    box-sizing: border-box;
}

[data-theme="dark"] .timeline-card {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.timeline-item:not(.animate) .timeline-card {
    opacity: 0.5;
    transform: translateX(0) scale(0.95);
}

.timeline-item:nth-child(odd) .timeline-card {
    transform: translateX(0) scale(0.95);
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-card {
    transform: translateX(0) scale(0.95);
    margin-right: 0;
}

.timeline-item.animate .timeline-card {
    transform: translateX(0) scale(1);
    opacity: 1;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-card::before {
    transform-origin: left;
}

.timeline-item:nth-child(even) .timeline-card::before {
    transform-origin: right;
}

.timeline-item.animate .timeline-card::before {
    transform: scaleX(1);
    transition-delay: 0.4s;
}

.timeline-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.timeline-card:hover::after {
    opacity: 1;
}

.timeline-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .timeline-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.card-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

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

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

.card-title-group {
    flex: 1;
    width: 100%;
}

.timeline-item:nth-child(odd) .card-title-group {
    text-align: left;
}

.timeline-item:nth-child(even) .card-title-group {
    text-align: right;
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    opacity: 0;
    transform: translateY(-15px);
    transition: all 0.6s ease 0.4s;
}

.timeline-item.animate .timeline-title {
    opacity: 1;
    transform: translateY(0);
}

.timeline-company {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.6s ease 0.5s;
}

.timeline-item.animate .timeline-company {
    opacity: 1;
    transform: translateY(0);
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.6s ease 0.6s;
}

.timeline-item.animate .timeline-description {
    opacity: 1;
    transform: translateY(0);
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.6s ease 0.8s;
}

.timeline-item:nth-child(odd) .timeline-tech {
    justify-content: flex-start;
}

.timeline-item:nth-child(even) .timeline-tech {
    justify-content: flex-end;
}

.timeline-item.animate .timeline-tech {
    opacity: 1;
    transform: translateY(0);
}

.tech-tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0) rotate(-180deg);
    display: inline-block;
    cursor: default;
    line-height: 1.4;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

[data-theme="dark"] .tech-tag {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.timeline-item.animate .tech-tag {
    animation: techTagPop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.timeline-item.animate .tech-tag:nth-child(1) {
    animation-delay: 0.9s;
}

.timeline-item.animate .tech-tag:nth-child(2) {
    animation-delay: 0.95s;
}

.timeline-item.animate .tech-tag:nth-child(3) {
    animation-delay: 1s;
}

.timeline-item.animate .tech-tag:nth-child(4) {
    animation-delay: 1.05s;
}

.timeline-item.animate .tech-tag:nth-child(5) {
    animation-delay: 1.1s;
}

@keyframes techTagPop {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    60% {
        transform: scale(1.15) rotate(10deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.tech-tag:hover {
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

/* ============================================
   Projects Section
   ============================================ */
.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    font-size: 0.9rem;
    color: var(--text-secondary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

[data-theme="dark"] .filter-btn {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    position: relative;
}

[data-theme="dark"] .project-card {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition);
    z-index: 1;
}

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

.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .project-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.project-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--accent);
}

.project-placeholder i {
    display: inline-block;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: var(--transition);
}

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

.project-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
    border: 0.5px solid rgba(37, 99, 235, 0.3);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
    display: inline-block;
}

.project-link:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.project-content {
    padding: var(--spacing-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.project-tags span {
    padding: 4px var(--spacing-xs);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: transparent;
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);

    margin: 0 auto;
}

.contact-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    transition: var(--transition);
}

[data-theme="dark"] .contact-item {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .contact-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(37, 99, 235, 0.25);
    border-radius: 10px;
    flex-shrink: 0;
    color: var(--accent);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.15), 0 1px 0 rgba(255, 255, 255, 0.3) inset;
}

.contact-icon i {
    display: inline-block;
}

.contact-item h4 {
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    text-decoration: underline;
}

.work-process {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="dark"] .work-process {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.work-process h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.process-step {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
}

[data-theme="dark"] .process-step {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .process-step:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.step-number {
    width: 40px;
    height: 40px;
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
    border: 0.5px solid rgba(37, 99, 235, 0.3);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.step-content h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
    background: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    background: rgba(44, 44, 46, 0.7);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.form-message {
    padding: var(--spacing-sm);
    border-radius: 10px;
    text-align: center;
    margin-top: var(--spacing-sm);
    display: none;
}

.form-message.success {
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
    display: block;
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid #dc3545;
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
}

[data-theme="dark"] .footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-email {
    margin: var(--spacing-sm) 0;
    font-size: 0.95rem;
}

.footer-email a {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
}

.footer-email a:hover {
    color: var(--accent);
    transform: translateX(3px);
}

.footer-email a i {
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
}

.footer-social a i {
    display: inline-block;
    font-size: 1.25rem;
}

.footer-social a:hover {
    color: var(--accent);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.back-to-top i {
    display: inline-block;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: var(--shadow-xl), var(--shadow-accent);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .about-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .feature-item {
        min-height: auto;
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .feature-item h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 968px) {
    .hero-3d-image-wrapper {
        width: 350px;
        height: 450px;
    }
    
    .hero-3d-image-wrapper .card-1,
    .hero-3d-image-wrapper .card-2,
    .hero-3d-image-wrapper .card-3 {
        display: none;
    }
}

@media (max-width: 968px) {
    .timeline-line {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: var(--spacing-xl) !important;
        padding-right: 0 !important;
        justify-content: flex-start !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
        margin-left: 0;
        margin-right: 0;
        flex: 1 1 auto;
        max-width: 100%;
        min-width: auto;
        width: 100%;
    }
    
    .timeline-item:nth-child(odd) .card-header,
    .timeline-item:nth-child(even) .card-header {
        flex-direction: row;
    }
    
    .timeline-item:nth-child(odd) .card-title-group,
    .timeline-item:nth-child(even) .card-title-group {
        text-align: left;
    }
    
    .timeline-item:nth-child(odd) .timeline-tech,
    .timeline-item:nth-child(even) .timeline-tech {
        justify-content: flex-start;
    }
    
    .timeline-content {
        max-width: 100%;
        min-width: auto;
    }
    
    .timeline-card {
        width: 100%;
        min-width: 100%;
    }
    
    .timeline-marker {
        position: absolute;
        left: 0;
        transform: translateX(-50%);
    }
}

@media (max-width: 1024px) {
    .nav {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        width: calc(100% - 2rem);
    }
}

@media (max-width: 768px) {
    .nav {
        top: var(--spacing-xs);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        width: calc(100% - 2rem);
        border-radius: 16px;
    }
    
    .nav-menu {
        position: fixed;
        top: 90px;
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        width: calc(100% - 2rem);
        max-width: none;
        height: auto;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(40px) saturate(180%);
        -webkit-backdrop-filter: blur(40px) saturate(180%);
        border: 0.5px solid rgba(0, 0, 0, 0.1);
        border-radius: 16px;
        flex-direction: column;
        padding: var(--spacing-md);
        transition: all var(--transition);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;
    }
    
    [data-theme="dark"] .nav-menu {
        background: rgba(28, 28, 30, 0.7);
        border: 0.5px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
    }
    
    .nav-menu.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
    }
    
    .hero {
        margin-top: 90px;
    }
    
    .nav-actions {
        gap: var(--spacing-xs);
    }
    
    .download-btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
        gap: 0.5rem;
    }
    
    .download-btn span {
        display: none;
    }
    
    .download-btn i {
        font-size: 1rem;
        margin: 0;
    }
    
    @media (max-width: 480px) {
        .download-btn {
            padding: 0.5rem;
            min-width: 44px;
        }
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        margin-left: var(--spacing-xs);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        height: 400px;
        margin-top: var(--spacing-md);
    }
    
    .hero-3d-image-wrapper {
        width: 280px;
        height: 350px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-item {
        padding: var(--spacing-md);
        text-align: center;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .feature-item h3 {
        font-size: 1.1rem;
    }
    
    .feature-item p {
        font-size: 0.95rem;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .timeline-marker {
        width: 50px;
        height: 50px;
    }
    
    .marker-core {
        width: 20px;
        height: 20px;
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
    
    .project-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease;
}

/* Smooth scroll behavior */
html {
    scroll-padding-top: 80px;
}

/* Additional Premium Enhancements */

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradient Text */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Section Backgrounds - Already handled in individual sections */

/* Enhanced Project Placeholder */
.project-placeholder {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.project-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Enhanced Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 0 rgba(255, 255, 255, 0.5) inset;
}

[data-theme="dark"] .contact-form {
    background: rgba(44, 44, 46, 0.6);
    border: 0.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

/* Enhanced About Image */
.image-placeholder {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.1), transparent 70%);
}

/* Premium Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* Selection Color */
::selection {
    background: rgba(37, 99, 235, 0.3);
    color: var(--text-primary);
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Loading Animation Enhancement */
.loader-spinner {
    border-width: 5px;
    border-top-color: var(--accent);
    border-right-color: var(--accent);
    animation: spin 0.8s linear infinite;
}

/* Enhanced Filter Buttons */
.filter-btn,
.skill-category {
    position: relative;
    overflow: hidden;
}

.filter-btn::before,
.skill-category::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.filter-btn:hover::before,
.skill-category:hover::before {
    width: 300px;
    height: 300px;
}

.filter-btn.active,
.skill-category.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-accent);
}

/* Old timeline marker styles removed - using new award-winning design */

/* Enhanced Hero Gradient */
.hero-gradient {
    animation: gradientShift 8s ease infinite;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.15;
    }
}

/* Premium Card Hover Effects */
.project-card,
.skill-item,
.feature-item {
    position: relative;
}

.project-card::after,
.skill-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition);
    border-radius: inherit;
    z-index: -1;
    filter: blur(20px);
}

.project-card:hover::after,
.skill-item:hover::after {
    opacity: 0.1;
}