:root {
  --bg: #0a0e17;
  --bg-elevated: #111827;
  --bg-card: #151d2e;
  --border: #223049;
  --text: #e6ebf5;
  --text-dim: #8b9ab3;
  --text-faint: #5b6b8c;
  --accent-cyan: #00d9ff;
  --accent-purple: #a855f7;
  --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

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

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

/* Background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(0, 217, 255, 0.08), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(168, 85, 247, 0.08), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #05070c;
  font-weight: 800;
}

.logo-text span { color: var(--accent-cyan); }

.main-nav { display: flex; gap: 6px; }

.main-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.main-nav a:hover { color: var(--text); background: var(--bg-elevated); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding: 96px 0 72px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 217, 255, 0.35);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  background: rgba(0, 217, 255, 0.06);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero h1 .grad {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 34px;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent-gradient);
  color: #05070c;
  box-shadow: 0 6px 24px rgba(0, 217, 255, 0.25);
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.hero-stats div { text-align: center; }

.hero-stats strong {
  display: block;
  font-size: 1.8rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-stats span { color: var(--text-faint); font-size: 0.85rem; }

/* Section shared */
section { position: relative; z-index: 1; padding: 64px 0; }

.section-head {
  margin-bottom: 36px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 6px;
  font-weight: 800;
}

.section-head p { margin: 0; color: var(--text-dim); }

.section-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-purple);
  font-weight: 700;
  margin-bottom: 8px;
  display: block;
}

/* Category groups (top-level: images / video) */
.category-group { margin-bottom: 56px; }

.category-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.category-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
}

.category-group-head h3 { margin: 0; font-size: 1.3rem; }
.category-group-head p { margin: 2px 0 0; color: var(--text-faint); font-size: 0.88rem; }

/* Subcategory tabs */
.subcat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.subcat-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.86rem;
  cursor: pointer;
  transition: all 0.2s;
}

.subcat-tab:hover { color: var(--text); border-color: var(--accent-cyan); }

.subcat-tab.active {
  background: var(--accent-gradient);
  color: #05070c;
  border-color: transparent;
  font-weight: 700;
}

/* Grid */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.work-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.work-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--shadow);
}

.work-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-elevated);
  overflow: hidden;
}

.work-thumb img, .work-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-thumb .play-badge {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.play-badge span {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(10, 14, 23, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.work-info { padding: 14px 16px 16px; }
.work-info h4 { margin: 0 0 4px; font-size: 0.98rem; }
.work-info p { margin: 0; color: var(--text-faint); font-size: 0.82rem; }

.work-tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  background: rgba(0, 217, 255, 0.08);
  border: 1px solid rgba(0, 217, 255, 0.25);
  padding: 3px 9px;
  border-radius: 999px;
  margin-top: 10px;
}

.work-card.is-placeholder .work-tag {
  color: var(--text-faint);
  background: rgba(139, 154, 179, 0.08);
  border-color: var(--border);
}

.empty-note {
  color: var(--text-faint);
  font-size: 0.88rem;
  padding: 20px 0;
}

.stack-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(10, 14, 23, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.skills-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }

.skills-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.skills-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gradient);
  flex-shrink: 0;
}

/* Contact */
.contact-section { text-align: center; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 10px 20px 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.92rem;
  transition: border-color 0.2s, transform 0.2s;
}

.contact-link:hover { transform: translateY(-2px); }

.contact-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.contact-icon svg { width: 18px; height: 18px; }

/* Brand colors */
:root {
  --wa: #25d366;
  --vb: #7360f2;
  --tg: #26a5e4;
  --ig-grad: linear-gradient(45deg, #f9ce34, #ee2a7b, #6228d7);
}

.icon-email { color: var(--accent-cyan); }
.icon-wa { color: var(--wa); }
.icon-vb { color: var(--vb); }
.icon-tg { color: var(--tg); }
.icon-ig { color: #ee2a7b; }

.contact-link:hover .icon-wa,
.social-float-btn.icon-wa:hover { background: var(--wa); border-color: var(--wa); color: #05070c; }

.contact-link:hover .icon-vb,
.social-float-btn.icon-vb:hover { background: var(--vb); border-color: var(--vb); color: #fff; }

.contact-link:hover .icon-tg,
.social-float-btn.icon-tg:hover { background: var(--tg); border-color: var(--tg); color: #fff; }

.contact-link:hover .icon-ig,
.social-float-btn.icon-ig:hover { background: var(--ig-grad); border-color: transparent; color: #fff; }

.contact-link:hover .icon-email { background: var(--accent-cyan); color: #05070c; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

/* Floating social panel */
.social-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 40;
}

.social-float-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.2s, color 0.2s, border-color 0.2s;
}

.social-float-btn svg { width: 22px; height: 22px; }

.social-float-btn:hover {
  color: #05070c;
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateY(-3px);
}

.social-float-btn.icon-wa { color: var(--wa); }
.social-float-btn.icon-vb { color: var(--vb); }
.social-float-btn.icon-tg { color: var(--tg); }
.social-float-btn.icon-ig { color: #ee2a7b; }

@media (max-width: 860px) {
  .social-float {
    right: auto;
    left: 50%;
    top: auto;
    bottom: 16px;
    transform: translateX(-50%);
    flex-direction: row;
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(10px);
    padding: 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
  }
  .social-float-btn { width: 42px; height: 42px; }
}

/* Lightbox modal */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 40px 20px;
}

.lightbox.open { display: flex; }

.lightbox-content {
  max-width: 900px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.lightbox-media {
  width: 100%;
  max-height: 70vh;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-media img, .lightbox-media video {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lightbox-info { padding: 18px 22px; }
.lightbox-info h4 { margin: 0 0 6px; }
.lightbox-info p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox-nav:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

@media (max-width: 640px) {
  .lightbox-nav { width: 38px; height: 38px; font-size: 1.5rem; }
  .lightbox-prev { left: 6px; }
  .lightbox-next { right: 6px; }
}

/* Responsive */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 12px;
  }
  .about-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
}