/* ===== Variables & Theme ===== */
:root {
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

[data-theme="dark"] {
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-card: #1a2234;
    --bg-card-hover: #1f2a40;
    --bg-input: #1a2234;
    --border: #2a3550;
    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99,102,241,0.3);
    --accent-2: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --code-bg: #151e2e;
    --gradient-1: linear-gradient(135deg, #6366f1, #06b6d4);
    --gradient-2: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
    --navbar-bg: rgba(10,15,28,0.85);
    --star-color: #f59e0b;
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #4f46e5;
    --accent-hover: #6366f1;
    --accent-glow: rgba(79,70,229,0.2);
    --accent-2: #0891b2;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --code-bg: #f1f5f9;
    --gradient-1: linear-gradient(135deg, #4f46e5, #0891b2);
    --gradient-2: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #0891b2 100%);
    --navbar-bg: rgba(248,250,252,0.85);
    --star-color: #f59e0b;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

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

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

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

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}
.nav-logo:hover { color: var(--text-primary); }
.logo-bracket { color: var(--accent); }
.logo-name { color: var(--text-primary); }

.nav-links {
    display: flex; list-style: none; gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: var(--accent-glow);
}

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

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none; border: none;
    cursor: pointer; padding: 4px;
}
.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-effects { position: absolute; inset: 0; pointer-events: none; }

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}
.hero-orb-1 {
    width: 500px; height: 500px;
    background: var(--accent);
    top: -100px; right: -100px;
    animation: float 8s ease-in-out infinite;
}
.hero-orb-2 {
    width: 400px; height: 400px;
    background: var(--accent-2);
    bottom: -50px; left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-grid-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex; align-items: center; gap: 8px;
}

.tagline-cursor { color: var(--accent); font-weight: 700; }

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 540px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }

.hero-social { display: flex; gap: 12px; }
.hero-social-link {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}
.hero-social-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.hero-visual { display: flex; justify-content: center; }
.hero-image-wrapper { width: 100%; max-width: 480px; }
.hero-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.hero-placeholder { width: 100%; }
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
}
.code-header {
    padding: 12px 16px;
    display: flex; gap: 8px;
    background: rgba(0,0,0,0.2);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }
.code-block pre { padding: 20px; margin: 0; overflow-x: auto; line-height: 1.8; }
.code-block code { color: var(--text-secondary); }
.code-keyword { color: #c084fc; }
.code-var { color: #67e8f9; }
.code-key { color: #818cf8; }
.code-str { color: #34d399; }
.code-bool { color: #fbbf24; }

.hero-scroll-indicator {
    position: absolute; bottom: 30px;
    left: 50%; transform: translateX(-50%);
}
.hero-scroll-indicator a span {
    display: block; width: 24px; height: 24px;
    border-bottom: 2px solid var(--accent);
    border-right: 2px solid var(--accent);
    transform: rotate(45deg);
    animation: scrollDown 2s infinite;
}
@keyframes scrollDown {
    0% { opacity: 0; transform: rotate(45deg) translate(-10px, -10px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(10px, 10px); }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}
.btn-ghost:hover { color: var(--accent); }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; color: #fff; }

/* ===== Sections ===== */
.section { padding: 100px 0; }

.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-line {
    width: 60px; height: 4px;
    background: var(--gradient-1);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.about-stats-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.about-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}
.about-stat-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-number {
    font-size: 2rem; font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 4px; }

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
}
.about-img-wrapper img { width: 100%; border-radius: var(--radius); }
.about-img-border {
    position: absolute; inset: -8px;
    border: 2px solid var(--accent);
    border-radius: calc(var(--radius) + 4px);
    z-index: -1;
    opacity: 0.5;
}

.about-text-col p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.02rem;
}

.about-actions { display: flex; gap: 14px; margin-top: 28px; }

/* ===== Resume / Timeline ===== */
.resume-summary {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: -20px auto 50px;
    font-size: 1.05rem;
}

.resume-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.resume-col-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 30px;
    display: flex; align-items: center; gap: 10px;
    color: var(--accent);
}

.timeline { position: relative; padding-left: 30px; }
.timeline::before {
    content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
    width: 2px; background: var(--border);
}

.timeline-item { position: relative; margin-bottom: 30px; }
.timeline-dot {
    position: absolute; left: -30px; top: 8px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
    z-index: 1;
}
.timeline-dot.dot-cert { background: var(--success); }

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.timeline-content:hover { border-color: var(--accent); transform: translateX(4px); }

.timeline-header h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.timeline-company { color: var(--accent); font-weight: 500; font-size: 0.95rem; }

.timeline-meta {
    display: flex; gap: 16px; flex-wrap: wrap;
    margin: 8px 0 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.timeline-meta i { margin-right: 4px; }

.timeline-content p { color: var(--text-secondary); font-size: 0.92rem; }

.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.78rem; font-weight: 600;
}
.badge-cert { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-featured { background: rgba(245,158,11,0.15); color: var(--warning); }

/* ===== Skills ===== */
.skill-category { margin-bottom: 40px; }
.category-name {
    font-size: 1.1rem; font-weight: 700; color: var(--accent);
    margin-bottom: 16px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.skill-card {
    display: flex; align-items: center; gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: var(--transition);
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.skill-icon {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.skill-info { flex: 1; min-width: 0; }
.skill-name-row { display: flex; justify-content: space-between; margin-bottom: 6px; }
.skill-name { font-weight: 600; font-size: 0.9rem; }
.skill-pct { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }

.skill-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}
.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Projects ===== */
.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);
    overflow: hidden;
    transition: var(--transition);
}
.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.project-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-secondary);
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.project-card:hover .project-thumb img { transform: scale(1.05); }

.project-thumb-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    font-size: 3rem; color: var(--border);
}

.project-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-view-btn {
    color: #fff;
    padding: 10px 22px;
    border: 2px solid #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.project-view-btn:hover { background: #fff; color: #000; }

.project-featured-badge {
    position: absolute; top: 12px; left: 12px;
    background: var(--warning); color: #000;
    padding: 4px 10px; border-radius: 6px;
    font-size: 0.75rem; font-weight: 700;
}

.project-info { padding: 22px; }
.project-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.project-title a { color: var(--text-primary); }
.project-title a:hover { color: var(--accent); }
.project-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 14px; line-height: 1.6; }

.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tech-tag {
    padding: 4px 10px;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.project-links { display: flex; gap: 16px; }
.project-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex; align-items: center; gap: 5px;
}
.project-link:hover { color: var(--accent); }

/* ===== Project Detail ===== */
.project-detail { padding: 120px 0 80px; }

.project-detail-header { margin-bottom: 40px; }
.project-detail-header h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.project-detail-meta {
    display: flex; gap: 16px; align-items: center;
    color: var(--text-muted); font-size: 0.9rem;
}

.project-detail-gallery { margin-bottom: 40px; }
.gallery-main {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
    max-height: 500px;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }

.gallery-thumbs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; }
.gallery-thumb {
    width: 80px; height: 60px; flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--accent); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.project-detail-body {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.project-detail-content h2 { font-size: 1.5rem; margin-bottom: 20px; }
.project-detail-content p { color: var(--text-secondary); margin-bottom: 14px; line-height: 1.8; }

.sidebar-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-block h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.sidebar-links { display: flex; flex-direction: column; gap: 10px; }

.project-detail-nav { margin-top: 50px; text-align: center; }

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { border-color: var(--accent); transform: translateY(-4px); }

.service-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: var(--radius);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }

/* ===== Testimonials ===== */
.testimonials-slider { position: relative; overflow: hidden; }

.testimonials-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    min-width: 100%;
    padding: 0 20px;
}

.testimonial-card > * {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.testimonial-quote {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 16px;
    text-align: center;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-stars {
    display: flex; justify-content: center; gap: 4px;
    margin-bottom: 24px;
    color: var(--star-color);
    font-size: 0.9rem;
}
.testimonial-stars .empty { color: var(--border); }

.testimonial-author {
    display: flex; align-items: center; gap: 14px;
    justify-content: center;
}

.testimonial-avatar {
    width: 50px; height: 50px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-1);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-avatar span { color: #fff; font-weight: 700; font-size: 1.2rem; }

.testimonial-author h4 { font-size: 1rem; font-weight: 700; }
.testimonial-author p { color: var(--text-muted); font-size: 0.85rem; }

.slider-nav {
    display: flex; align-items: center; justify-content: center;
    gap: 16px; margin-top: 30px;
}

.slider-btn {
    width: 40px; height: 40px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.slider-btn:hover { border-color: var(--accent); color: var(--accent); }

.slider-dots { display: flex; gap: 8px; }
.slider-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}
.slider-dot.active { background: var(--accent); width: 30px; border-radius: 5px; }

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 30px; }

.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }

.contact-item {
    display: flex; align-items: flex-start; gap: 14px;
}
.contact-item > i {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    flex-shrink: 0;
}
.contact-item h4 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-item a, .contact-item span { color: var(--text-primary); font-weight: 500; }

.contact-social { display: flex; gap: 10px; }
.contact-social a {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}
.contact-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
}

.form-group {
    position: relative;
    margin-bottom: 22px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group label {
    position: absolute;
    left: 16px; top: 14px;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
}

.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: 0.78rem;
    color: var(--accent);
    background: var(--bg-card);
    padding: 0 6px;
}

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

.form-status {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: none;
}
.form-status.success { display: block; background: rgba(16,185,129,0.1); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.form-status.error { display: block; background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem; font-weight: 600;
    color: var(--text-primary);
    display: inline-block;
    margin-bottom: 12px;
}

.footer-about p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; }

.footer-links-col h4, .footer-social-col h4 {
    font-size: 0.95rem; font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links-col ul { list-style: none; }
.footer-links-col li { margin-bottom: 10px; }
.footer-links-col a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links-col a:hover { color: var(--accent); }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition);
}
.footer-social a:hover { border-color: var(--accent); color: var(--accent); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }

/* ===== Scroll to Top ===== */
.scroll-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 44px; height: 44px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 999;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); }

/* ===== Animations ===== */
.animate-fade-up { opacity: 0; transform: translateY(30px); animation: fadeUp 0.6s forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.75s; }

.animate-fade-left { opacity: 0; transform: translateX(40px); animation: fadeLeft 0.6s forwards; }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeLeft { to { opacity: 1; transform: translateX(0); } }

.reveal-up, .reveal-left, .reveal-right {
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.6s, transform 0.6s;
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.revealed, .reveal-left.revealed, .reveal-right.revealed {
    opacity: 1; transform: translate(0, 0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-social { justify-content: center; }
    .hero-visual { margin-top: 40px; }
    .hero-name { font-size: 2.8rem; }
    .about-grid { grid-template-columns: 1fr; }
    .resume-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .project-detail-body { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 80px 30px 30px;
        border-left: 1px solid var(--border);
        transition: var(--transition);
        z-index: 998;
    }
    .nav-links.open { right: 0; }
    .nav-toggle { display: flex; z-index: 999; }

    .hero { padding: 100px 0 60px; }
    .hero-name { font-size: 2.2rem; }
    .section { padding: 70px 0; }
    .section-title { font-size: 2rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .hero-name { font-size: 1.8rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .container { padding: 0 16px; }
}