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

:root {
    /* Color Palette */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-accent: #06b6d4;
    --color-success: #10b981;

    /* Dark Theme Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #14141f;
    --color-bg-tertiary: #1e1e2e;
    --color-surface: #252536;

    /* Text Colors */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary);
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    transition: all var(--transition-base);
}

.logo-box {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Courier New', monospace;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.1em;
    padding: 0.5rem 0.75rem;
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
    background: rgba(99, 102, 241, 0.05);
    transition: all var(--transition-base);
    position: relative;
}

.logo-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 1;
}

.nav-logo:hover .logo-box {
    background: rgba(99, 102, 241, 0.15);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.nav-logo:active .logo-box {
    transform: translateY(0) scale(0.95);
}

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

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
    padding-top: 120px;
    padding-bottom: var(--spacing-3xl);
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    top: -250px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    bottom: -200px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--gradient-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-xs);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.share-section {
    margin-top: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.share-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.share-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.share-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.share-btn:active {
    transform: translateY(0);
}

.share-btn svg {
    flex-shrink: 0;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.scroll-indicator {
    position: fixed;
    bottom: 3rem;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    z-index: 5;
    pointer-events: none;
    animation: fadeInScroll 1s ease-in-out 0.5s forwards;
    opacity: 0;
}

@keyframes fadeInScroll {
    to {
        opacity: 1;
    }
}

.scroll-indicator p {
    margin: 0;
    padding: 0;
    text-align: center;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; top: 6px; }
    50% { opacity: 1; top: 14px; }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    font-size: 1.0625rem;
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.about-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.9375rem;
    white-space: nowrap;
}

.social-link svg {
    flex-shrink: 0;
}

.social-link span {
    line-height: 1;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-tertiary);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.image-placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.3;
}

.image-decoration {
    position: absolute;
    inset: -20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    opacity: 0.1;
    z-index: -1;
    filter: blur(40px);
}

/* ============================================
   Projects Section
   ============================================ */
.projects-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-xl);
}

.project-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.project-image-placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.2;
}

.project-tag {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-full);
    color: var(--color-success);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-content {
    padding: var(--spacing-xl);
    padding-left: 0;
}

.project-category {
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.project-description {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-lg);
}

.project-highlights {
    margin-bottom: var(--spacing-lg);
}

.project-highlights h4 {
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-highlights ul {
    list-style: none;
    display: grid;
    gap: var(--spacing-xs);
}

.project-highlights li {
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.project-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

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

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 0.8125rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
}

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

/* ============================================
   Skills Section
   ============================================ */
.skills {
    background: var(--color-bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.skill-card {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.skill-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.skill-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.skill-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.skill-description {
    margin-bottom: var(--spacing-lg);
}

.skill-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.skill-list li {
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
}

.skill-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.tools-section {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

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

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.tool-item {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
}

.tool-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

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

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

.timeline-item {
    position: relative;
    padding-left: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

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

.timeline-marker {
    position: absolute;
    left: -8px;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--gradient-primary);
    border: 3px solid var(--color-bg);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.timeline-content {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.timeline-date {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.timeline-description {
    margin-bottom: var(--spacing-md);
}

.timeline-achievements {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.timeline-achievements li {
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
}

.timeline-achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--color-bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.contact-card {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-card h3 {
    font-size: 1.125rem;
    margin: 0;
}

.contact-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-tertiary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl) 0;
}

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

.footer-left p {
    color: var(--color-text-tertiary);
    margin: 0;
}

.footer-right {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-social {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-base);
}

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

/* ============================================
   Animations (AOS-like)
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-left"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"] {
    transform: translateX(30px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .project-card {
        grid-template-columns: 1fr;
    }

    .project-image {
        min-height: 250px;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        padding: var(--spacing-xl);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        gap: var(--spacing-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 8px;
    }

    .timeline-item {
        padding-left: var(--spacing-xl);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    section {
        padding: var(--spacing-xl) 0;
    }
}