/* ===== Variables ===== */
:root {
  --bg: #0a0a0b;
  --bg-elevated: #121214;
  --bg-card: #161618;
  --border: #27272a;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --accent: #e4e4e7;
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --max-width: 1100px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo-img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.nav-link {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.nav-divider {
  color: var(--text-dim);
}

.nav-current {
  color: var(--text);
  font-weight: 500;
}

/* ===== Hero ===== */
.hero {
  padding: 8rem 1.5rem 3.5rem;
  text-align: center;
  background: 
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(100, 100, 120, 0.12), transparent);
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Gallery ===== */
.gallery {
  padding: 2rem 0 5rem;
}

.armor-set {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
}

.armor-set:last-child {
  border-bottom: none;
}

.armor-number {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.5rem;
}

.armor-info h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.armor-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.armor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.armor-tags li {
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
}

.armor-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.armor-images figure {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.armor-images figure:hover {
  border-color: #3f3f46;
}

.armor-images figure.wide {
  grid-column: 1 / -1;
}

.armor-images img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #000;
}

.armor-images figure.wide img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.armor-images figcaption {
  padding: 0.6rem 0.9rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--mono);
  border-top: 1px solid var(--border);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.footer-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .armor-set {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .armor-images {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 7rem 1.5rem 2.5rem;
  }

  .armor-images {
    grid-template-columns: 1fr;
  }

  .armor-images figure.wide {
    grid-column: auto;
  }

  .armor-images img {
    aspect-ratio: 3 / 4;
  }

  .armor-images figure.wide img {
    aspect-ratio: 16 / 10;
  }
}