/* ===================================
   CSS Variables & Theme Configuration
   =================================== */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #16161f;
    --bg-card-hover: #1e1e2a;
    
    --text-primary: #ffffff;
    --text-secondary: #b4b4c4;
    --text-muted: #6b6b7b;
    
    --accent-primary: #8b5cf6;
    --accent-secondary: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --accent-glow: rgba(139, 92, 246, 0.3);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f5f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8fc;
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    
    --accent-primary: #7c3aed;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(124, 58, 237, 0.2);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.12);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ===================================
   Base Styles & Reset
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--accent-primary);
    color: white;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ===================================
   Animated Background
   =================================== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    -webkit-filter: blur(80px);
    filter: blur(80px);
    opacity: 0.5;
    -webkit-animation: blobFloat 20s ease-in-out infinite;
    animation: blobFloat 20s ease-in-out infinite;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.4) 0%, rgba(236, 72, 153, 0.3) 100%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.25) 0%, rgba(251, 146, 60, 0.2) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Fallback gradient noise for Safari */
    background-image: 
        repeating-radial-gradient(circle at 50% 50%, transparent 0, rgba(255,255,255,0.03) 1px, transparent 2px),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-size: 4px 4px, auto;
    opacity: 0.03;
    pointer-events: none;
}

.motion-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 0%, transparent 49%, rgba(139, 92, 246, 0.03) 50%, transparent 51%, transparent 100%),
        linear-gradient(0deg, transparent 0%, transparent 49%, rgba(139, 92, 246, 0.02) 50%, transparent 51%, transparent 100%);
    background-size: 100px 100px;
    animation: motionLines 30s linear infinite;
}

[data-theme="light"] .gradient-blob {
    opacity: 0.3;
}

[data-theme="light"] .noise-overlay {
    opacity: 0.02;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 60px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: 16px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-menu {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    gap: 32px;
}

/* Fallback for Safari versions without gap support */
@supports not (gap: 32px) {
    .nav-menu > * + * {
        margin-left: 32px;
    }
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

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

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

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

/* Dropdown Menu */
.nav-item.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle::after {
    display: none;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--bg-primary);
    border: none;
    border-radius: 12px;
    min-width: 160px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    z-index: 1000;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
}

.nav-item.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

.dropdown-link span {
    transition: color var(--transition-fast);
}

.dropdown-link span:hover,
.dropdown-link.active span {
    color: var(--accent-primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -6px);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm), 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 30px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.1);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    min-height: 100dvh;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 120px 24px 80px;
    position: relative;
}

.hero-container {
    max-width: var(--container-width);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-greeting {
    font-size: 1rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-headline {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 16px;
}

.hero-subheadline {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.hero-cta {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    gap: 16px;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

@supports not (gap: 16px) {
    .hero-cta > * {
        margin: 8px;
    }
    .hero-cta {
        margin: -8px;
    }
}

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

.hero-image-placeholder {
    width: 350px;
    height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0.1;
}

.placeholder-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    z-index: 1;
}

.placeholder-icon svg {
    opacity: 0.5;
}

.placeholder-text {
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-color);
    transform: scale(1.2);
}

.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.deco-ring {
    position: absolute;
    width: 450px;
    height: 450px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    -webkit-animation: spinSlow 30s linear infinite;
    animation: spinSlow 30s linear infinite;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.deco-ring::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.deco-dots {
    position: absolute;
    width: 100px;
    height: 100px;
    background-image: radial-gradient(var(--text-muted) 1px, transparent 1px);
    background-size: 10px 10px;
    opacity: 0.3;
    bottom: -20px;
    right: -20px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    animation: scrollArrow 2s ease-in-out infinite;
}

/* ===================================
   About Section
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-text .about-lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--accent-primary);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

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

/* ===================================
   Experience Section
   =================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-primary) 50%, transparent);
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-marker {
    background: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    -webkit-transform: translateX(8px);
    transform: translateX(8px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.timeline-company h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-role {
    color: var(--accent-primary);
    font-weight: 500;
}

.timeline-meta {
    text-align: right;
}

.timeline-date {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.timeline-type {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.timeline-details {
    margin-bottom: 20px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===================================
   Work Section
   =================================== */
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.work-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.work-card:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.work-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.work-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
}

.placeholder-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.1) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.work-overlay .btn {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.work-overlay .btn:hover {
    background: var(--accent-primary);
    color: white;
}

.work-info {
    padding: 24px;
}

.work-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.work-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.work-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Skills Section
   =================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.skills-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: all var(--transition-base);
}

.skills-category:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.skills-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.skills-icon {
    width: 48px;
    height: 48px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.skills-category h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.skills-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.skills-list li:last-child {
    border-bottom: none;
}

.skills-list li:hover {
    color: var(--text-primary);
    padding-left: 8px;
}

/* ===================================
   Education Section
   =================================== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    display: flex;
    gap: 24px;
    transition: all var(--transition-base);
}

.education-card:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.education-icon {
    width: 64px;
    height: 64px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.education-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.education-degree {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.education-date {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.education-grade {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.education-details {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

/* ===================================
   Certifications Section
   =================================== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 28px;
    text-align: center;
    transition: all var(--transition-base);
}

.cert-card:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 56px;
    height: 56px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin: 0 auto 20px;
}

.cert-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.cert-issuer {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.cert-date {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.cert-id {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.cert-linkedin {
    text-align: left;
}

.cert-linkedin .cert-icon {
    margin: 0 0 20px 0;
}

.cert-skills-list {
    margin-top: 12px;
}

.cert-skills-list li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
}

.cert-skills-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 0.75rem;
}

/* ===================================
   Volunteering Section
   =================================== */
.volunteering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.volunteer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 28px;
    transition: all var(--transition-base);
}

.volunteer-card:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.volunteer-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.volunteer-org {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.volunteer-date {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 12px 0;
}

.volunteer-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Gradient Wave Animation
   =================================== */
.gradient-wave {
    position: fixed;
    width: 200%;
    height: 200px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.3;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(139, 92, 246, 0.2) 25%, 
        rgba(236, 72, 153, 0.2) 50%, 
        rgba(139, 92, 246, 0.2) 75%, 
        transparent 100%);
    filter: blur(40px);
}

.wave-1 {
    top: 10%;
    left: -50%;
    animation: waveMove1 15s ease-in-out infinite;
}

.wave-2 {
    top: 40%;
    left: -50%;
    animation: waveMove2 18s ease-in-out infinite;
    animation-delay: 5s;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(59, 130, 246, 0.2) 25%, 
        rgba(16, 185, 129, 0.2) 50%, 
        rgba(59, 130, 246, 0.2) 75%, 
        transparent 100%);
}

.wave-3 {
    top: 70%;
    left: -50%;
    animation: waveMove3 20s ease-in-out infinite;
    animation-delay: 10s;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(245, 158, 11, 0.2) 25%, 
        rgba(239, 68, 68, 0.2) 50%, 
        rgba(245, 158, 11, 0.2) 75%, 
        transparent 100%);
}

@keyframes waveMove1 {
    0% {
        transform: translateX(0) translateY(0) scaleY(1);
    }
    25% {
        transform: translateX(25vw) translateY(-15px) scaleY(1.1);
    }
    50% {
        transform: translateX(50vw) translateY(10px) scaleY(0.9);
    }
    75% {
        transform: translateX(75vw) translateY(-8px) scaleY(1.05);
    }
    100% {
        transform: translateX(100vw) translateY(0) scaleY(1);
    }
}

@keyframes waveMove2 {
    0% {
        transform: translateX(0) translateY(0) scaleY(1);
    }
    25% {
        transform: translateX(30vw) translateY(12px) scaleY(0.95);
    }
    50% {
        transform: translateX(60vw) translateY(-18px) scaleY(1.08);
    }
    75% {
        transform: translateX(85vw) translateY(6px) scaleY(0.92);
    }
    100% {
        transform: translateX(110vw) translateY(0) scaleY(1);
    }
}

@keyframes waveMove3 {
    0% {
        transform: translateX(0) translateY(0) scaleY(1);
    }
    25% {
        transform: translateX(20vw) translateY(-10px) scaleY(1.12);
    }
    50% {
        transform: translateX(45vw) translateY(15px) scaleY(0.88);
    }
    75% {
        transform: translateX(70vw) translateY(-12px) scaleY(1.06);
    }
    100% {
        transform: translateX(95vw) translateY(0) scaleY(1);
    }
}

/* ===================================
   Portfolio Page
   =================================== */
.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.portfolio-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.portfolio-item:hover {
    border-color: var(--border-hover);
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    padding: 24px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-info {
    padding: 20px;
}

.portfolio-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.portfolio-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===================================
   Contact Section
   =================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

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

.contact-form .btn {
    align-self: flex-start;
    margin-top: 8px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.contact-item a {
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-primary);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

.download-resume {
    margin-top: 12px;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border-color);
}

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

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-social {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: 24px;
    margin-bottom: 16px;
}

.footer-social .social-link {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    border: none;
    padding: 8px;
}

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

/* ===================================
   Portfolio Modal
   =================================== */
.portfolio-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.portfolio-modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--bg-primary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(90deg);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-primary);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    z-index: 10;
    opacity: 0;
}

.portfolio-modal:hover .modal-nav {
    opacity: 1;
}

.modal-prev {
    left: 16px;
}

.modal-next {
    right: 16px;
}

.modal-nav:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.modal-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.modal-nav:disabled:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    transform: translateY(-50%) scale(1);
}

.modal-indicator {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.modal-image {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 16px;
}

.modal-video {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 16px;
}

.modal-info {
    padding: 32px;
    display: none;
}

.modal-info h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.modal-info #modal-category {
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.modal-info #modal-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .modal-body {
        flex-direction: row;
    }
    
    .modal-image {
        width: 60%;
        max-height: 70vh;
        border-radius: 16px 0 0 16px;
    }
    
    .modal-info {
        width: 40%;
        border-radius: 0 16px 16px 0;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: 40px;
    }
    
    .hero-image-placeholder {
        width: 280px;
        height: 320px;
    }
    
    .deco-ring {
        width: 350px;
        height: 350px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 150px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: right var(--transition-base);
        border-left: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .theme-toggle {
        position: absolute;
        right: 70px;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .timeline::before {
        left: 6px;
    }
    
    .timeline-item {
        padding-left: 32px;
    }
    
    .timeline-header {
        flex-direction: column;
    }
    
    .timeline-meta {
        text-align: left;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .volunteering-grid {
        grid-template-columns: 1fr;
    }
    
    .education-card {
        flex-direction: column;
        text-align: center;
    }
    
    .education-icon {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.875rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .stat-card {
        width: 100%;
    }
    
    .contact-form {
        padding: 24px;
    }
    
    .contact-links {
        flex-direction: column;
    }
    
    .social-link {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   Focus States for Accessibility
   =================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.nav-link:focus-visible::after {
    width: 100%;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .animated-bg,
    .navbar,
    .scroll-indicator,
    .theme-toggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        padding: 40px 0;
        page-break-inside: avoid;
    }
}