/* ===== CORE VARIABLES ===== */
:root {
    /* Colors */
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --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;
    --black: #000000;
    
    /* Theme Colors */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --border-color: var(--gray-200);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--accent));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;
    --text-9xl: 8rem;
    
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* 3D and Interactive Effects */
    --perspective: 1000px;
    --transform-3d: perspective(var(--perspective));
    --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-3d-hover: 0 30px 60px rgba(0, 0, 0, 0.15);
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
    --section-padding: var(--space-32);
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: var(--gray-900);
    --bg-secondary: var(--gray-800);
    --bg-tertiary: var(--gray-700);
    --text-primary: var(--gray-100);
    --text-secondary: var(--gray-400);
    --text-muted: var(--gray-500);
    --border-color: var(--gray-700);
}

/* Dark mode specific skill card fixes */
[data-theme="dark"] .skill-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .skill-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .skill-icon {
    background: var(--bg-tertiary);
    color: var(--primary);
}

[data-theme="dark"] .skill-card:hover .skill-icon {
    background: var(--primary);
    color: var(--white);
}

[data-theme="dark"] .skill-bar {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .skill-fill {
    background: var(--gradient-primary);
}

[data-theme="dark"] .skill-level span {
    color: var(--primary);
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.loader {
    text-align: center;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-4);
}

.loader-text {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.loader-progress {
    width: 200px;
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: progress 2s ease-in-out infinite;
}

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

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ===== CUSTOM CURSOR ===== */
.cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width var(--transition-fast), height var(--transition-fast);
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all var(--transition-normal);
}

.cursor-trail {
    position: fixed;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9997;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar {
    background: rgba(17, 24, 39, 0.8);
    border-bottom-color: var(--border-color);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(17, 24, 39, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    transition: color var(--transition-normal);
}

.logo-text {
    color: var(--primary);
    font-size: var(--text-2xl);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    position: relative;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    transition: color var(--transition-normal);
    padding: var(--space-2) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--text-lg);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}



.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    gap: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-primary);
}

/* Dark mode hero - night sky */
[data-theme="dark"] .hero {
    background: #000000;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#hero-canvas {
    width: 100%;
    height: 100%;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    padding-top: var(--header-height);
}

.hero-text {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-8);
    transition: all var(--transition-normal);
}

.hero-badge:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-title {
    font-size: var(--text-7xl);
    font-weight: var(--font-black);
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
    color: var(--white);
}

.title-highlight {
    background: linear-gradient(135deg, var(--white), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    color: var(--white);
}

.subtitle-static {
    color: var(--white);
}

.subtitle-dynamic {
    color: var(--accent);
    font-weight: var(--font-bold);
}

.hero-description {
    font-size: var(--text-xl);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero-social {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--white);
    font-size: var(--text-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-container {
    position: relative;
    width: 500px;
    height: 500px;
}

.image-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 4px solid rgba(255, 255, 255, 0.2);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.image-frame:hover .hero-image {
    transform: scale(1.05);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    position: absolute;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-2xl);
    animation: float 6s ease-in-out infinite;
    cursor: pointer;
    pointer-events: auto;
    transition: all var(--transition-slow);
    z-index: 10;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.float-element:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}



/* Magnetic effect handled by JavaScript */

.float-element:nth-child(1) { top: 5%; left: -80px; animation-delay: 0s; }
.float-element:nth-child(2) { top: 15%; right: -80px; animation-delay: 1s; }
.float-element:nth-child(3) { bottom: 25%; left: -80px; animation-delay: 2s; }
.float-element:nth-child(4) { bottom: 15%; right: -80px; animation-delay: 3s; }
.float-element:nth-child(5) { top: 45%; left: -120px; animation-delay: 4s; }
.float-element:nth-child(6) { top: 55%; right: -120px; animation-delay: 5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(-5px) rotate(-1deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--white);
    z-index: 2;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--white), transparent);
    margin-bottom: var(--space-4);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ===== STAR ANIMATIONS ===== */
@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes twinkle-slow {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes twinkle-fast {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.4); }
}

@keyframes shooting-star {
    0% {
        transform: translateX(0) translateY(0) rotate(45deg);
        opacity: 1;
    }
    100% {
        transform: translateX(200px) translateY(200px) rotate(45deg);
        opacity: 0;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary);
}

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

/* ===== SECTIONS ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

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

/* ===== STATS SECTION ===== */
.stats {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.stat-item {
    text-align: center;
    padding: var(--space-8);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: var(--font-black);
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-visual {
    position: relative;
}

.timeline-container {
    position: relative;
    padding: var(--space-8);
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-8);
    padding-left: var(--space-8);
}

.timeline-item:nth-child(even) {
    padding-left: 0;
    padding-right: var(--space-8);
    text-align: right;
}

.timeline-icon {
    position: absolute;
    left: 50%;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-lg);
    transform: translateX(-50%);
    z-index: 2;
}

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

.timeline-content {
    background: var(--bg-primary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.timeline-content h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.about-text h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.highlight {
    color: var(--primary);
}

.about-text p {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.info-value {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.about-actions {
    display: flex;
    gap: var(--space-4);
}

/* ===== SKILLS SECTION ===== */
.skills {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.skills-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.skills-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.skills-intro h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.skills-intro p {
    color: var(--text-secondary);
    font-size: var(--text-lg);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    justify-content: center;
    align-items: flex-start;
}

/* Remove incomplete skill-card definition */

/* Ensure all 6 skill cards are visible on larger screens */
@media (min-width: 1200px) {
    .skill-card {
        flex: 0 0 calc(33.333% - var(--space-8));
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .skill-card {
        flex: 0 0 calc(50% - var(--space-8));
    }
}

@media (max-width: 767px) {
    .skill-card {
        flex: 0 0 100%;
    }
}

.skill-card {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    /* Force visibility */
    visibility: visible !important;
    opacity: 1 !important;
    /* Force all cards to same height */
    height: 300px !important;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

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

.skill-card:hover::before {
    opacity: 0.05;
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--primary);
    margin-bottom: var(--space-6);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.skill-card:hover .skill-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.skill-card h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.skill-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.skill-level {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.skill-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0;
    transition: width 0.8s ease-out;
}

.skill-level span {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--primary);
    min-width: 40px;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: var(--section-padding) 0;
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-8);
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(59, 130, 246, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-links {
    display: flex;
    gap: var(--space-4);
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.project-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.project-info {
    padding: var(--space-6);
}

.project-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.project-tag {
    background: var(--bg-tertiary);
    color: var(--primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

.project-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-16);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-card {
    background: var(--bg-primary);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--space-6);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.contact-link {
    color: var(--primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.contact-link:hover {
    color: var(--primary-dark);
}

.contact-social {
    background: var(--bg-primary);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-social h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-links .social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
}

.social-links .social-link:hover {
    background: var(--primary);
    color: var(--white);
}

.contact-form-container {
    background: var(--bg-primary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.form-header {
    margin-bottom: var(--space-8);
}

.form-header h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.form-header p {
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: var(--font-medium);
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
    padding: var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.form-status {
    margin-top: var(--space-4);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-tertiary);
    padding: var(--space-16) 0 var(--space-8);
    color: var(--text-primary);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-8);
}

.footer-logo a {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    text-decoration: none;
}

.footer-nav {
    display: flex;
    gap: var(--space-8);
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-normal);
}

.footer-nav a:hover {
    color: var(--text-primary);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

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

.copyright {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.back-to-top {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== PROJECT MODAL ===== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.project-modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.project-modal.open .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    text-align: center;
}

.modal-project-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.modal-project-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.modal-project-tags {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.modal-project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.modal-project-links {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

.modal-project-links a {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.modal-project-links a:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-2xl);
    }
    
    .hero-image-container {
        width: 400px;
        height: 400px;
    }
    
    .float-element:nth-child(1) { top: 5%; left: -60px; }
    .float-element:nth-child(2) { top: 15%; right: -60px; }
    .float-element:nth-child(3) { bottom: 25%; left: -60px; }
    .float-element:nth-child(4) { bottom: 15%; right: -60px; }
    .float-element:nth-child(5) { top: 45%; left: -100px; }
    .float-element:nth-child(6) { top: 55%; right: -100px; }
    
    /* Magnetic effect handled by JavaScript */
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        padding: var(--space-4);
        flex-direction: column;
        gap: var(--space-4);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .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);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .about-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-top {
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-cards {
        gap: var(--space-4);
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    .glass-effect {
        background: var(--bg-primary);
        backdrop-filter: none;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .hero-background,
    .floating-elements,
    .cursor,
    .cursor-follower,
    .cursor-trail,
    .back-to-top {
        display: none !important;
    }
    
    .hero {
        background: var(--white) !important;
        color: var(--black) !important;
    }
    
    .hero-content {
        color: var(--black) !important;
    }
}

/* ===== 3D PROJECT CARDS ENHANCEMENTS ===== */
.project-card {
    transform-style: preserve-3d;
    transition: transform 0.1s ease, box-shadow 0.3s ease;
    will-change: transform;
    cursor: pointer;
}

.project-card:hover {
    box-shadow: var(--shadow-3d-hover);
}

.project-card .project-image {
    transform: translateZ(20px);
    transition: transform 0.3s ease;
}

.project-card:hover .project-image {
    transform: translateZ(30px);
}

.project-card .project-info {
    transform: translateZ(10px);
    transition: transform 0.3s ease;
}

.project-card:hover .project-info {
    transform: translateZ(20px);
}

/* ===== MORPHING SHAPES ===== */
.morphing-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    overflow: hidden;
}

.morphing-shape {
    position: absolute;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    opacity: 0.1;
    filter: blur(20px);
    animation: morph-shape 15s ease-in-out infinite;
}

@keyframes morph-shape {
    0%, 100% { 
        border-radius: 50%;
        transform: scale(1) rotate(0deg);
    }
    25% { 
        border-radius: 30%;
        transform: scale(1.2) rotate(90deg);
    }
    50% { 
        border-radius: 70%;
        transform: scale(0.8) rotate(180deg);
    }
    75% { 
        border-radius: 40%;
        transform: scale(1.1) rotate(270deg);
    }
}

/* ===== PARTICLE PHYSICS ===== */
.particle-physics {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.physics-particle {
    position: absolute;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.6;
    transition: all 0.3s ease;
    will-change: transform, opacity;
}

/* ===== PERFORMANCE METRICS ===== */
.performance-metrics {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    z-index: 50;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: opacity 0.3s ease;
}

.performance-metrics:hover {
    opacity: 1;
}

/* ===== ENHANCED PARALLAX EFFECTS ===== */
.parallax-layer {
    will-change: transform;
}

.hero-background {
    transform: translateZ(0);
}

.floating-elements {
    transform: translateZ(10px);
}

.hero-particles {
    transform: translateZ(5px);
}

/* ===== TEXT SCRAMBLE EFFECTS ===== */
/* Removed text scramble effects as requested */

/* ===== ENHANCED CURSOR EFFECTS ===== */
.cursor {
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.cursor-follower {
    mix-blend-mode: difference;
    transition: transform 0.3s ease;
}

/* ===== RESPONSIVE 3D EFFECTS ===== */
@media (max-width: 768px) {
    .project-card:hover {
        transform: var(--transform-3d) rotateX(5deg) rotateY(5deg) scale(1.02);
    }
    
    .performance-metrics {
        top: 10px;
        right: 10px;
        padding: 10px;
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .project-card:hover {
        transform: var(--transform-3d) rotateX(2deg) rotateY(2deg) scale(1.01);
    }
    
    .performance-metrics {
        display: none;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.low-performance .morphing-shapes,
.low-performance .particle-physics,
.low-performance .floating-elements {
    display: none;
}

.low-performance .project-card:hover {
    transform: none;
}

/* Optimize animations for better performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .project-card:hover,
    .skill-card:hover,
    .btn:hover {
        transform: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn,
    .project-card,
    .skill-card {
        border: 2px solid currentColor;
    }
    
    .nav-link::before,
    .footer-nav a::before {
        background: currentColor;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    .morphing-shape,
    .physics-particle,
    .project-card {
        animation: none;
        transition: none;
    }
    
    .project-card:hover {
        transform: none;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    .performance-metrics {
        background: rgba(0, 0, 0, 0.95);
        border: 2px solid white;
    }
    
    .physics-particle {
        background: white;
        box-shadow: 0 0 5px white;
    }
}

/* ===== INTERACTIVE BACKGROUND ===== */
#interactive-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -3;
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

/* ===== ENHANCED ANIMATIONS ===== */
@keyframes float-gentle {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== ENHANCED BUTTON EFFECTS ===== */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-size: 200% 200%;
    animation: shimmer 3s ease-in-out infinite;
}

.btn::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 ease;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* ===== ENHANCED PROJECT CARDS ===== */
.project-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.project-card:hover::before {
    transform: translateX(100%);
}

.project-card:hover {
    transform: var(--transform-3d) rotateX(10deg) rotateY(10deg) scale(1.05);
    box-shadow: var(--shadow-3d-hover);
}

/* ===== ENHANCED SKILL CARDS ===== */
.skill-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.skill-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

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

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* ===== ENHANCED HERO SECTION ===== */
.hero-title {
    position: relative;
    transition: all 0.3s ease;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.hero-title:hover::after {
    width: 100%;
}

/* ===== ENHANCED NAVIGATION ===== */
.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-link:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

/* ===== ENHANCED SCROLL INDICATOR ===== */
.scroll-indicator {
    position: relative;
    overflow: hidden;
}

.scroll-line {
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    animation: scroll-shimmer 2s ease-in-out infinite;
}

@keyframes scroll-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ===== ENHANCED MODAL ===== */
.project-modal .modal-content {
    position: relative;
    overflow: hidden;
}

.project-modal .modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-modal.open .modal-content::before {
    opacity: 1;
}

/* ===== ENHANCED FORM EFFECTS ===== */
.form-group input,
.form-group textarea {
    position: relative;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

.form-group label {
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: var(--primary);
    transform: translateY(-5px);
}

/* ===== ENHANCED SOCIAL LINKS ===== */
.social-link {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    z-index: -1;
}

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

.social-link:hover {
    color: white;
    transform: scale(1.1);
}

/* ===== ENHANCED TIMELINE ===== */
.timeline-item {
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

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

.timeline-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.timeline-item:hover .timeline-icon::before {
    opacity: 0.2;
}

/* ===== ENHANCED STATS ===== */
.stat-item {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s ease;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* ===== ENHANCED FOOTER ===== */
.footer-nav a {
    position: relative;
    transition: all 0.3s ease;
}

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

.footer-nav a:hover::before {
    width: 100%;
}

.footer-nav a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
    .btn:hover {
        transform: translateY(-1px);
    }
    
    .project-card:hover {
        transform: var(--transform-3d) rotateX(5deg) rotateY(5deg) scale(1.02);
    }
    
    .skill-card:hover {
        transform: translateY(-2px);
    }
}

@media (max-width: 480px) {
    .btn:hover {
        transform: none;
    }
    
    .project-card:hover {
        transform: var(--transform-3d) rotateX(2deg) rotateY(2deg) scale(1.01);
    }
    
    .skill-card:hover {
        transform: none;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    .btn,
    .project-card,
    .skill-card,
    .nav-link,
    .social-link,
    .timeline-item,
    .stat-item,
    .footer-nav a {
        transition: none;
        animation: none;
    }
    
    .btn:hover,
    .project-card:hover,
    .skill-card:hover {
        transform: none;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    .btn,
    .project-card,
    .skill-card {
        border: 2px solid currentColor;
    }
    
    .nav-link::before,
    .footer-nav a::before {
        background: currentColor;
    }
}

/* ===== CUSTOM SCROLLBARS ===== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 6px;
    border: 2px solid var(--bg-secondary);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
    transform: scale(1.1);
}

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

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-secondary);
}

/* ===== FLOATING ACTION BUTTONS ===== */
/* Removed floating action buttons to preserve original floating tech icons */

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    min-width: 300px;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success::before {
    background: var(--success);
}

.toast.error::before {
    background: var(--error);
}

.toast.warning::before {
    background: var(--warning);
}

.toast.info::before {
    background: var(--accent);
}

.toast-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.toast-message {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
}

.toast-icon {
    margin-right: 8px;
    font-size: 16px;
}

/* ===== ENHANCED MODAL ANIMATIONS ===== */
.project-modal {
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-modal.open .modal-overlay {
    opacity: 1;
}

.modal-content {
    transform: translateY(50px) scale(0.9);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-modal.open .modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-modal.open .modal-content::before {
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg) scale(1.1);
}

.modal-body {
    animation: modalContentSlide 0.4s ease 0.2s both;
}

@keyframes modalContentSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== ENHANCED BUTTON EFFECTS ===== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* All skill cards should have identical styling */

/* Dark mode styling applies to all skill cards equally */
[data-theme="dark"] .skill-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}