/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    /* Colors - Dark theme (default) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --accent: #6c63ff;
    --accent-light: #8b83ff;
    --accent-dark: #4e47cc;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --gradient-1: linear-gradient(135deg, #6c63ff 0%, #3b82f6 100%);
    --gradient-2: linear-gradient(135deg, #f472b6 0%, #6c63ff 100%);
    --gradient-3: linear-gradient(135deg, #6c63ff 0%, #06b6d4 100%);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(108, 99, 255, 0.3);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 60px rgba(0, 0, 0, 0.5);
    --nav-bg: rgba(10, 10, 15, 0.85);
    --timeline-line: rgba(108, 99, 255, 0.2);
    --tag-bg: rgba(108, 99, 255, 0.12);
    --tag-text: #8b83ff;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f0ff;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8a8aa0;
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(108, 99, 255, 0.25);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 60px rgba(0, 0, 0, 0.12);
    --nav-bg: rgba(248, 249, 252, 0.9);
    --timeline-line: rgba(108, 99, 255, 0.15);
    --tag-bg: rgba(108, 99, 255, 0.08);
    --tag-text: #6c63ff;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-secondary);
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background var(--transition), color var(--transition);
}

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

ul { list-style: none; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   LOADER
   ============================================ */
#loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
#loader.done {
    opacity: 0;
    visibility: hidden;
}
.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.loader-text {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 2px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   CUSTOM CURSOR (desktop only)
   ============================================ */
.cursor-dot, .cursor-outline {
    display: none;
}
@media (pointer: fine) {
    .cursor-dot {
        display: block;
        position: fixed;
        width: 6px;
        height: 6px;
        background: var(--accent);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
        transition: transform 0.1s;
    }
    .cursor-outline {
        display: block;
        position: fixed;
        width: 36px;
        height: 36px;
        border: 2px solid var(--accent-glow);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9998;
        transform: translate(-50%, -50%);
        transition: width 0.3s, height 0.3s, border-color 0.3s;
    }
    .cursor-outline.hover {
        width: 56px;
        height: 56px;
        border-color: var(--accent-light);
    }
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    transition: transform 0.3s, background 0.3s;
}
.navbar.hidden {
    transform: translateY(-100%);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}
.logo-bracket {
    color: var(--accent);
}
.nav-links {
    display: flex;
    gap: 32px;
}
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
    transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
}
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle, .theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition);
}
.lang-toggle:hover, .theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--tag-bg);
}
.theme-toggle {
    padding: 8px 10px;
}
.lang-flag {
    font-size: 1rem;
}

.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-burger span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.nav-burger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-burger.open span:nth-child(2) {
    opacity: 0;
}
.nav-burger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 100px 24px 60px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}
.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -100px;
    opacity: 0.08;
}
.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: #f472b6;
    bottom: -150px;
    left: -100px;
    opacity: 0.06;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}
.hero-badge {
    display: inline-block;
    background: var(--tag-bg);
    color: var(--accent-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 20px;
    border-radius: 50px;
    border: 1px solid rgba(108, 99, 255, 0.2);
    margin-bottom: 28px;
    letter-spacing: 0.5px;
    animation: fadeInDown 0.8s ease;
}
.hero-title {
    margin-bottom: 20px;
}
.hero-greeting {
    display: block;
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-typewriter {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 2em;
    animation: fadeInUp 0.8s ease 0.6s both;
}
.typewriter-cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
    font-weight: 300;
}
@keyframes blink {
    50% { opacity: 0; }
}
.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 36px;
    animation: fadeInUp 0.8s ease 0.8s both;
}
.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 1s both;
}
.hero-social {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 1.2s both;
}
.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.scroll-arrow {
    animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(6px); }
    60% { transform: translateY(3px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}
.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}
.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
}
.section-alt {
    background: var(--bg-secondary);
}
.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 12px;
}
.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 4px;
    margin: 0 auto 60px;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-text p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-size: 1.02rem;
}
.about-text strong {
    color: var(--accent-light);
    font-weight: 600;
}
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: all var(--transition);
}
.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-suffix {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--timeline-line);
    transform: translateX(-50%);
}
.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 60px;
}
.timeline-item[data-side="right"] {
    margin-left: 50%;
}
.timeline-item[data-side="left"] {
    text-align: right;
}
.timeline-dot {
    position: absolute;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.85rem;
    z-index: 2;
    top: 4px;
    box-shadow: 0 0 20px var(--accent-glow);
}
.timeline-item[data-side="right"] .timeline-dot {
    left: -22px;
}
.timeline-item[data-side="left"] .timeline-dot {
    right: -22px;
}
.timeline-date {
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent-light);
}
.timeline-duration {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-muted);
}
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    text-align: left;
}
.timeline-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.card-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.card-company {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 4px;
}
.card-location {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.card-location i {
    margin-right: 4px;
}
.badge {
    display: inline-block;
    background: var(--tag-bg);
    color: var(--tag-text);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 50px;
    letter-spacing: 0.3px;
}
.card-details {
    margin-top: 16px;
    padding-left: 18px;
}
.card-details li {
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    line-height: 1.6;
    list-style: none;
    padding-left: 14px;
}
.card-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}
.tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 50px;
    white-space: nowrap;
}

/* Education specific */
.edu-dot {
    border-color: #f472b6;
    color: #f472b6;
    box-shadow: 0 0 20px rgba(244, 114, 182, 0.3);
}
.timeline-edu .timeline-date {
    color: #f472b6;
}

/* ============================================
   PROJECTS
   ============================================ */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}
.filter-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 8px 24px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.project-card.hidden-card {
    display: none;
}
.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.project-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--tag-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}
.project-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color var(--transition);
}
.project-links a:hover {
    color: var(--accent);
}
.project-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.project-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.project-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 18px;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}
.project-tags span {
    font-size: 0.72rem;
    color: var(--tag-text);
    font-weight: 500;
    background: var(--tag-bg);
    padding: 3px 10px;
    border-radius: 50px;
}

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}
.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}
.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.skill-category-header i {
    font-size: 1.3rem;
    color: var(--accent);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tag-bg);
    border-radius: 10px;
}
.skill-category-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}
.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.skill-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.skill-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--tag-bg);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}
.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact-link {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition);
}
.contact-link i {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--tag-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
    transition: all var(--transition);
}
.contact-link:hover {
    color: var(--accent);
}
.contact-link:hover i {
    background: var(--accent);
    color: #fff;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.form-group {
    position: relative;
}
.form-group input, .form-group textarea {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: border-color var(--transition);
    outline: none;
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.2s;
}
.form-group textarea ~ label {
    top: 18px;
    transform: none;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
}
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 12px;
    font-size: 0.75rem;
    color: var(--accent);
    background: var(--bg-secondary);
    padding: 0 6px;
    transform: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.heart {
    color: #f472b6;
}
.footer-links a {
    color: var(--accent);
    font-weight: 500;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 100;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-4px);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 28px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }
    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }
    .nav-links a {
        font-size: 1.2rem;
    }
    .nav-burger {
        display: flex;
    }

    .timeline::before {
        left: 20px;
    }
    .timeline-item,
    .timeline-item[data-side="right"] {
        width: 100%;
        margin-left: 0;
        padding: 0 0 40px 56px;
        text-align: left;
    }
    .timeline-item[data-side="left"] {
        text-align: left;
    }
    .timeline-dot,
    .timeline-item[data-side="right"] .timeline-dot,
    .timeline-item[data-side="left"] .timeline-dot {
        left: -2px;
        right: auto;
    }

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

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

    .section {
        padding: 70px 0;
    }
    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .hero-name {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-card {
        padding: 20px 12px;
    }
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}