/* ---------- Tokens ---------- */
:root {
  --bg: #EDEEF0;
  --surface: #F7F7F6;
  --ink: #1F2328;
  --ink-soft: #565C63;
  --line: #D7D9DC;
  --accent: #2F6F63;
  --accent-warm: #E2A33D;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 6px;
  --header-h: 64px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Header / Nav ---------- */
.nav-toggle { display: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-row {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.wordmark:hover { text-decoration: none; color: var(--accent); }

/* Hamburger (mobile only) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}

.site-nav { max-width: 1100px; margin: 0 auto; }

.nav-list {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 16px 10px;
  flex-wrap: wrap;
}

.nav-list > li { position: relative; }

.nav-list > li > a,
.nav-list summary {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.nav-list > li > a:hover,
.nav-list summary:hover {
  background: var(--surface);
  text-decoration: none;
}
summary::-webkit-details-marker { display: none; }
summary { display: flex; align-items: center; gap: 4px; }
summary::after { content: "▾"; font-size: 0.65em; color: var(--ink-soft); }

.has-children details[open] > summary { background: var(--surface); }

.nav-sublist {
  list-style: none;
  margin: 4px 0 8px 12px;
  padding: 6px 0 6px 10px;
  border-left: 2px solid var(--line);
}
.nav-sublist a {
  display: block;
  padding: 5px 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  border-radius: var(--radius);
}
.nav-sublist a:hover { background: var(--surface); color: var(--ink); text-decoration: none; }

/* Desktop: submenus float as dropdowns instead of inline accordions */
@media (min-width: 780px) {
  .has-children details { position: relative; }
  .has-children .nav-sublist {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 180px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 6px;
    box-shadow: 0 8px 20px rgba(31,35,40,0.08);
  }
}

/* Mobile nav collapses behind the hamburger */
@media (max-width: 779px) {
  .hamburger { display: flex; }
  .site-nav {
    max-height: 0;
    overflow: hidden;
  }
  .nav-toggle:checked ~ .site-nav {
    max-height: 80vh;
    overflow-y: auto;
  }
  .nav-list { flex-direction: column; padding: 8px 16px 16px; }
  .nav-list > li > a, .nav-list summary { display: block; }
}

/* ---------- Main content ---------- */
.site-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
  min-height: 60vh;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.crumb-sep { margin: 0 6px; }
.crumb-current { color: var(--ink); }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.page-text { max-width: 68ch; color: var(--ink-soft); margin-bottom: 28px; }
.page-text p { margin: 0 0 1em; }

.section-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 32px;
}
.section-links a {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 500;
}
.section-links a:hover { border-color: var(--accent); text-decoration: none; }

/* ---------- Gallery ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.gallery-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery-link { display: block; line-height: 0; }
.gallery-link img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.spec-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}
.spec-name { color: var(--ink); font-weight: 500; }
.spec-tags { color: var(--ink-soft); }

.swatch-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  border: 1px solid rgba(0,0,0,0.15);
  flex: none;
}

.empty-state, .empty-note { color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* ---------- Lightbox ---------- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31,35,40,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.lightbox-overlay img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
}