/* ========================================
   Cosmos Theme — Elena Matyushenko Portfolio
   Deep navy/black, Orbitron + Rajdhani,
   neon glow, futuristic tech feel
   ======================================== */

:root {
    --bg: #050510;
    --bg-card: #0a0a1a;
    --bg-card-rgb: 10, 10, 26;
    --text: #e8e0c8;
    --text-muted: #8a7e58;
    --text-warm: #c0b890;
    --accent: #c9a84c;
    --accent-light: #dfc06a;
    --accent-rgb: 201, 168, 76;
    --accent-glow: rgba(201, 168, 76, 0.2);
    --accent-gradient: linear-gradient(135deg, #c9a84c, #dfc06a, #c9a84c);
    --accent-title-gradient: linear-gradient(135deg, #a08030, #dfc06a, #f0e0a0, #ffffff, #dfc06a, #c9a84c);
    --cosmic-gold: rgba(201, 168, 76, 0.3);
    --cosmic-yellow: rgba(240, 220, 140, 0.25);
    --cosmic-white: rgba(255, 255, 240, 0.15);
    --border: rgba(201, 168, 76, 0.08);
    --border-hover: rgba(201, 168, 76, 0.3);
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', -apple-system, sans-serif;
    --radius: 8px;
    --radius-sm: 4px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --canvas-opacity: 0.7;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) #0a0a1a;
    background: var(--bg);
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
    font-weight: 400;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: #0a0a1a; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

::selection { background: var(--accent); color: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

#bg-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: 0;
    opacity: var(--canvas-opacity);
    pointer-events: none;
}

/* Theme Switcher */
.theme-switcher {
    display: flex; gap: 6px; align-items: center;
    padding: 4px 8px; border-radius: 100px;
    background: rgba(10, 10, 26, 0.6);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.theme-dot {
    width: 20px; height: 20px; border-radius: 50%;
    border: 2px solid transparent; cursor: pointer;
    padding: 0; background: none;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s ease; text-decoration: none;
}

.theme-dot .dot-inner { width: 12px; height: 12px; border-radius: 50%; display: block; transition: transform 0.3s ease; }
.theme-dot:hover .dot-inner { transform: scale(1.2); }
.theme-dot.active { border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }

/* Navigation */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 1.2rem 2.5rem;
    display: flex; justify-content: space-between; align-items: center;
    backdrop-filter: blur(15px);
    background: rgba(5, 5, 16, 0.6);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    transform: translateY(-100%);
    animation: slideDown 0.8s 0.5s forwards;
}

@keyframes slideDown { to { transform: translateY(0); } }

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.2rem; font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.15em;
    animation: cosmicTextGlow 6s ease-in-out infinite;
}

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
    font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-muted);
    transition: color var(--transition);
    position: relative;
    font-family: var(--font-display);
}

.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1.5px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: width var(--transition);
}

.nav-links a:hover { color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }
.nav-links a:hover::after { width: 100%; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    position: relative; z-index: 2;
    padding: 6rem 2.5rem 4rem;
}

.hero-content { max-width: 900px; text-align: center; }

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border: 1px solid var(--accent);
    border-radius: 0;
    font-size: 0.7rem; font-weight: 600;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2rem;
    opacity: 0; animation: fadeUp 0.8s 0.8s forwards, cosmicPulse 5s 2s ease-in-out infinite;
    font-family: var(--font-display);
    text-shadow: 0 0 10px var(--accent-glow);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 6rem);
    font-weight: 800; line-height: 1.1;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title .line { display: block; opacity: 0; animation: fadeUp 0.8s forwards; }
.hero-title .line:nth-child(1) { animation-delay: 1s; }
.hero-title .line:nth-child(2) { animation-delay: 1.2s; }

.hero-title .accent {
    background: var(--accent-title-gradient);
    background-size: 400% 400%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeUp 0.8s 1.2s forwards, accentShift 8s 2.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(201, 168, 76, 0.3)) drop-shadow(0 0 40px rgba(240, 220, 140, 0.15));
}

@keyframes accentShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

@keyframes cosmicPulse {
    0%, 100% { box-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--cosmic-gold), 0 0 50px rgba(255, 255, 240, 0.08); }
    50% { box-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--cosmic-yellow), 0 0 50px rgba(240, 220, 140, 0.08); }
}

@keyframes cosmicTextGlow {
    0%, 100% { text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--cosmic-gold), 0 0 60px rgba(255, 255, 240, 0.08); }
    50% { text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--cosmic-yellow), 0 0 60px rgba(240, 220, 140, 0.08); }
}

.hero-subtitle {
    font-size: 1.1rem; color: var(--text-muted);
    max-width: 650px; margin: 0 auto 3rem;
    line-height: 1.8; opacity: 0; animation: fadeUp 0.8s 1.4s forwards;
    font-weight: 400;
}

.hero-stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem; margin-bottom: 3rem;
    opacity: 0; animation: fadeUp 0.8s 1.6s forwards;
}

.stat {
    text-align: center; padding: 1.2rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.stat:hover {
    border-color: var(--accent);
    background: rgba(201, 168, 76, 0.06);
    transform: translateY(-4px);
    box-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--cosmic-gold), 0 0 50px var(--cosmic-yellow);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem; font-weight: 700;
    color: var(--accent); display: inline;
    text-shadow: 0 0 15px var(--accent-glow);
}

.stat-suffix { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--accent-light); }

.stat-label {
    display: block; font-size: 0.65rem;
    color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 0.1em; margin-top: 0.3rem;
    font-family: var(--font-display);
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; opacity: 0; animation: fadeUp 0.8s 1.8s forwards; }

.btn {
    padding: 0.8rem 2rem; border-radius: 0;
    font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    transition: all var(--transition);
    font-family: var(--font-display);
}

.btn-primary {
    background: var(--accent); color: #fff;
    border: 1px solid var(--accent);
    box-shadow: 0 0 15px var(--accent-glow), 0 0 30px var(--cosmic-gold);
    position: relative; overflow: hidden;
}

.btn-primary::after {
    content: ''; position: absolute; top: -50%; left: -60%; width: 40%; height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: skewX(-20deg); transition: left 0.6s ease;
}

.btn-primary:hover::after { left: 120%; }

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--cosmic-gold), 0 0 60px var(--cosmic-yellow);
}

.btn-outline {
    background: transparent; color: var(--accent);
    border: 1px solid var(--accent);
    position: relative; overflow: hidden;
}

.btn-outline::after {
    content: ''; position: absolute; top: -50%; left: -60%; width: 40%; height: 200%;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.1), transparent);
    transform: skewX(-20deg); transition: left 0.6s ease;
}

.btn-outline:hover::after { left: 120%; }

.btn-outline:hover {
    background: rgba(201, 168, 76, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--accent-glow), 0 0 35px var(--cosmic-gold);
}

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

/* Sections */
.section { position: relative; z-index: 2; padding: 7rem 2.5rem; }
.section-alt { background: rgba(201, 168, 76, 0.02); }
.container { max-width: 1200px; margin: 0 auto; }

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 700; letter-spacing: 0.1em;
    margin-bottom: 3.5rem; text-align: center;
    text-transform: uppercase;
    animation: cosmicTextGlow 6s ease-in-out infinite;
}

.section-title::after {
    content: ''; display: block;
    width: 50px; height: 2px;
    background: linear-gradient(90deg, var(--cosmic-yellow), var(--accent), var(--cosmic-gold));
    margin: 1rem auto 0;
    box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--cosmic-gold);
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-text { opacity: 0; transform: translateX(-30px); }
.about-text.visible { animation: slideIn 0.8s forwards; }
@keyframes slideIn { to { opacity: 1; transform: translateX(0); } }

.about-lead { font-size: 1.1rem; font-weight: 400; line-height: 1.9; margin-bottom: 1.5rem; color: var(--text-warm); }
.about-text p { font-size: 1rem; color: var(--text-warm); margin-bottom: 1rem; line-height: 1.8; }
.about-text strong { color: var(--accent-light); font-weight: 600; }

.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }

.highlight-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    opacity: 0; transform: translateY(20px);
}

.highlight-card.visible { animation: fadeUp 0.6s forwards; }
.highlight-card:nth-child(1).visible { animation-delay: 0.1s; }
.highlight-card:nth-child(2).visible { animation-delay: 0.2s; }
.highlight-card:nth-child(3).visible { animation-delay: 0.3s; }
.highlight-card:nth-child(4).visible { animation-delay: 0.4s; }

.highlight-icon { font-size: 1.3rem; color: var(--accent); margin-bottom: 0.8rem; display: inline-block; text-shadow: 0 0 10px var(--accent-glow); }
.highlight-card h3 { font-family: var(--font-display); font-size: 0.8rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--text); letter-spacing: 0.05em; }
.highlight-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.skill-category {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    opacity: 0; transform: translateY(20px);
}

.skill-category.visible { animation: fadeUp 0.6s forwards; }

.skill-category:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--cosmic-gold), 0 0 60px var(--cosmic-yellow);
    background: rgba(201, 168, 76, 0.04);
}

.skill-cat-title {
    font-family: var(--font-display); font-size: 0.75rem;
    font-weight: 600; margin-bottom: 1.2rem;
    color: var(--accent); letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: 0 0 8px var(--accent-glow);
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
    padding: 0.3rem 0.7rem; border-radius: 0;
    font-size: 0.78rem;
    background: rgba(201, 168, 76, 0.06);
    color: var(--text-warm);
    border: 1px solid var(--border);
    transition: all var(--transition);
    font-family: var(--font-body);
}

.tag:hover {
    background: rgba(201, 168, 76, 0.12);
    color: var(--accent-light);
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

.project-card {
    display: block; text-decoration: none; color: inherit;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative; overflow: hidden;
    opacity: 0; transform: translateY(20px);
}

.project-card.visible { animation: fadeUp 0.6s forwards; }

.project-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: var(--accent-gradient);
    opacity: 0; transition: opacity var(--transition);
    box-shadow: 0 0 10px var(--accent-glow);
}

.project-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--cosmic-gold), 0 0 60px var(--cosmic-yellow);
}

.project-card:hover::before { opacity: 1; }
.project-card:hover .project-link { transform: translateX(6px); }

.project-featured { grid-column: span 2; }

.project-badge {
    display: inline-block; padding: 0.2rem 0.7rem;
    font-size: 0.6rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    background: rgba(201, 168, 76, 0.08);
    color: var(--accent); margin-bottom: 1rem;
    font-family: var(--font-display);
    border: 1px solid var(--border);
}

.badge-live { border-color: rgba(74, 222, 128, 0.3); color: #4ade80; background: rgba(74, 222, 128, 0.08); }
.badge-oss { border-color: rgba(96, 165, 250, 0.3); color: #60a5fa; background: rgba(96, 165, 250, 0.08); }
.badge-civitai { border-color: rgba(201, 168, 76, 0.3); }

.project-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 0.3rem; letter-spacing: 0.05em; }
.project-tagline { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1rem; }
.project-desc { font-size: 0.9rem; color: var(--text-warm); line-height: 1.7; margin-bottom: 1.2rem; }
.project-metrics { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.2rem; }

.project-metrics span {
    padding: 0.2rem 0.6rem; font-size: 0.7rem;
    color: var(--text-muted); border: 1px solid var(--border);
    font-family: var(--font-display); letter-spacing: 0.03em;
}

.project-link { display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--accent); transition: all 0.3s; font-family: var(--font-display); letter-spacing: 0.05em; }

/* Gallery */
.gallery-subtitle { text-align: center; color: var(--text-muted); margin-top: -2rem; margin-bottom: 2.5rem; font-size: 0.95rem; }

.gallery-filters { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 2.5rem; flex-wrap: wrap; }

.filter-btn {
    padding: 0.4rem 1rem; border-radius: 0;
    font-size: 0.7rem; font-weight: 500;
    background: transparent; color: var(--text-muted);
    border: 1px solid var(--border); cursor: pointer;
    transition: all 0.25s ease;
    font-family: var(--font-display); letter-spacing: 0.08em; text-transform: uppercase;
}

.filter-btn:hover { background: rgba(201, 168, 76, 0.06); color: var(--accent-light); border-color: var(--accent); }
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 0 15px var(--accent-glow); }

.gallery-grid { columns: 4 260px; column-gap: 10px; }

.gallery-item {
    position: relative; border-radius: var(--radius);
    overflow: hidden; cursor: pointer;
    transition: all 0.4s ease;
    border: 1px solid var(--border);
    background: var(--bg-card); break-inside: avoid; margin-bottom: 10px;
}

.gallery-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-3px) scale(1.02); z-index: 2;
}

.gallery-item img { width: 100%; height: auto; display: block; object-fit: contain; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }

.gallery-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 0.8rem; background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    opacity: 0; transition: opacity 0.35s ease;
}

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

.gallery-tag {
    display: inline-block; padding: 0.15rem 0.5rem;
    font-size: 0.6rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.06em; background: var(--accent);
    color: #fff; margin-bottom: 0.2rem;
    font-family: var(--font-display);
}

.gallery-overlay p { font-size: 0.75rem; color: rgba(255, 255, 255, 0.8); line-height: 1.4; }
.gallery-item.hidden { display: none; }

/* Lightbox */
.lightbox {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 5, 16, 0.95); z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.4s;
    backdrop-filter: blur(20px);
}

.lightbox.active { opacity: 1; visibility: visible; }

.lightbox img {
    max-width: 85vw; max-height: 85vh; object-fit: contain;
    border-radius: var(--radius);
    box-shadow: 0 0 40px var(--accent-glow);
    transform: scale(0.9); transition: transform 0.4s;
}

.lightbox.active img { transform: scale(1); }

.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute; background: rgba(201, 168, 76, 0.1);
    border: 1px solid var(--border); color: #fff;
    cursor: pointer; transition: all var(--transition);
}

.lightbox-close { top: 1.5rem; right: 1.5rem; width: 44px; height: 44px; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); width: 50px; height: 50px; font-size: 1.8rem; display: flex; align-items: center; justify-content: center; }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--accent); border-color: var(--accent); }
.lightbox-info { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* Contact */
.contact-subtitle { text-align: center; color: var(--text-muted); max-width: 600px; margin: -2rem auto 3rem; font-size: 1rem; line-height: 1.7; }

.contact-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }

.contact-card {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    padding: 2rem 1rem;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: rgba(10, 10, 26, 0.7); backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.contact-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 25px var(--accent-glow);
}

.contact-icon { font-size: 1.8rem; margin-bottom: 0.8rem; color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); transition: all 0.3s; }
.contact-card:hover .contact-icon { transform: scale(1.1); text-shadow: 0 0 20px var(--accent-glow); }
.contact-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); margin-bottom: 0.3rem; font-family: var(--font-display); }
.contact-value { font-size: 0.85rem; font-weight: 500; color: var(--text); }

.footer {
    position: relative; z-index: 2;
    padding: 2rem; text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted); font-size: 0.78rem;
    font-family: var(--font-display); letter-spacing: 0.05em;
}

/* Mobile */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 110; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }
.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); }

@media (max-width: 1024px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { columns: 3; }
    .contact-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .nav { padding: 1rem 1.5rem; }
    .nav-toggle { display: flex; }
    .theme-switcher { gap: 4px; padding: 3px 6px; }
    .theme-dot { width: 18px; height: 18px; }
    .theme-dot .dot-inner { width: 10px; height: 10px; }

    .nav-links {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: rgba(5, 5, 16, 0.97); backdrop-filter: blur(30px);
        flex-direction: column; padding: 5rem 2rem 2rem; gap: 0;
        transition: right 0.4s ease; border-left: 1px solid var(--border); z-index: 105;
    }

    .nav-links.open { right: 0; }
    .nav-links a { font-size: 0.85rem; padding: 1rem 0; border-bottom: 1px solid var(--border); }

    .hero { padding: 5rem 1.5rem 3rem; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; text-align: center; }

    .section { padding: 4rem 1.5rem; }
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-featured { grid-column: span 1; }
    .gallery-grid { columns: 2; column-gap: 8px; }
    .contact-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .hero { padding: 4rem 1rem 2.5rem; }
    .hero-title { font-size: clamp(1.8rem, 10vw, 3rem); }
    .section { padding: 3rem 1rem; }
    .about-highlights { grid-template-columns: 1fr; }
    .gallery-grid { columns: 2; column-gap: 6px; }
    .contact-links { grid-template-columns: 1fr; }
    .contact-card { flex-direction: row; gap: 1rem; padding: 1.2rem 1.5rem; text-align: left; }
    .contact-icon { margin-bottom: 0; }
}

@media (hover: none) and (pointer: coarse) {
    .gallery-overlay { opacity: 1; background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.8)); }
    .gallery-item:hover img { transform: none; }
    .gallery-item:hover { transform: none; }
}