/* DCX — VW T6.1 California Beach 4Motion sales site
   Elegant monochrome: grey scale + one warm accent, cool accent in the dark section */

:root {
  --bg: #F4F5F6;
  --surface: #FFFFFF;
  --line: #DFE2E5;
  --grey: #82898F;
  --indium: #4A5158;
  --charcoal: #1E2124;
  --ink: #17191B;
  --accent: #C77800;
  --accent-cool: #8FBEDC;
  --font-sans: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --pad-x: clamp(1.25rem, 5vw, 5rem);
  --measure: 40rem;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { background: var(--indium); border-color: var(--indium); }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-quiet:hover { border-color: var(--ink); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 0.9rem var(--pad-x);
}

.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
  margin-right: auto;
}
.site-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--grey);
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--accent); }

.header-tools { display: flex; align-items: center; gap: 1.2rem; }

.header-cta { padding: 0.45rem 1.1rem; font-size: 0.9rem; }

.lang-switch { display: flex; gap: 0.1rem; }
.lang-switch button {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.3rem 0.55rem;
  background: transparent;
  color: var(--grey);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button[aria-pressed="true"] { color: var(--ink); background: var(--line); }

/* ---------- Hero ---------- */

.hero { padding: clamp(3rem, 7vw, 5.5rem) var(--pad-x) 0; }

.hero-overline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--grey);
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 20ch;
  margin-bottom: 1.2rem;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--indium);
  max-width: var(--measure);
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.hero-media { margin-top: clamp(2.5rem, 5vw, 4rem); }
.hero-media img {
  width: 100%;
  border-radius: var(--radius);
}

/* ---------- Quick facts ---------- */

.quickfacts {
  margin: clamp(2rem, 4vw, 3rem) var(--pad-x) 0;
  border-block: 1px solid var(--line);
  padding: 1.4rem 0;
}
.quickfacts dl {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 3.5rem;
}
.quickfacts dt {
  font-size: 0.85rem;
  color: var(--grey);
  margin-bottom: 0.15rem;
}
.quickfacts dd {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
}
.qf-price { color: var(--accent); }

/* ---------- Sections ---------- */

.section { padding: clamp(4rem, 8vw, 6.5rem) var(--pad-x) 0; }

.section-head { max-width: var(--measure); margin-bottom: 2.2rem; }
.section-head p { margin-top: 0.5rem; color: var(--grey); }

/* ---------- Gallery ---------- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.gallery-item {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: opacity 0.15s ease;
}
.gallery-item:hover img { opacity: 0.88; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.wide img { aspect-ratio: 8 / 2.95; }

/* ---------- Film ---------- */

.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.video-slot {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
}
.video-slot img { width: 100%; }
.video-slot figcaption {
  position: absolute;
  left: 1.1rem;
  bottom: 0.9rem;
  color: #E8EAEC;
  font-size: 0.9rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.65rem 1.6rem;
  background: rgba(23, 25, 27, 0.65);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: background-color 0.15s ease;
}
.play-badge:hover { background: rgba(23, 25, 27, 0.85); }

/* ---------- Gear cards ---------- */

.gear-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem 1.8rem;
}

.gear-card { display: flex; flex-direction: column; }
.gear-card img {
  border-radius: var(--radius);
  margin-bottom: 1.1rem;
}
.gear-card h3 { margin-bottom: 0.4rem; }
.gear-card p {
  color: var(--indium);
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 0.7rem;
}

.gear-link {
  align-self: start;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.gear-link:hover { color: var(--ink); }

/* ---------- After dark ---------- */

.section-dark {
  margin-top: clamp(4rem, 8vw, 6.5rem);
  background: var(--charcoal);
  color: #D6DADD;
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}
.section-dark .section-head p { color: #8D949B; }
.section-dark h2, .section-dark h3 { color: #F2F4F5; }

.dark-hero { margin-bottom: 2.4rem; }
.dark-hero img { border-radius: var(--radius); width: 100%; }

.gear-grid-dark { grid-template-columns: 1fr 1fr; }
.gear-card-dark p { color: #A7ADB3; }
.gear-card-dark .gear-link { color: var(--accent-cool); }
.gear-card-dark .gear-link:hover { color: #F2F4F5; }

/* ---------- Roof story ---------- */

.roof-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.roof-split figure img { border-radius: var(--radius); }
.roof-copy p {
  margin: 0.8rem 0 1.2rem;
  color: var(--indium);
}

.roof-list { list-style: none; }
.roof-list li {
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.98rem;
}
.roof-list li:last-child { border-bottom: 1px solid var(--line); }

/* ---------- Data plate ---------- */

.dataplate {
  max-width: 46rem;
  border-top: 1px solid var(--line);
}

.dp-row {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.dp-row span:first-child { color: var(--grey); }
.dp-row span:last-child { font-family: var(--font-mono); font-size: 0.9rem; }

.dp-price span:last-child {
  color: var(--accent);
  font-weight: 500;
  font-size: 1rem;
}

/* ---------- Contact ---------- */

.contact {
  max-width: none;
  text-align: center;
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.contact-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.contact-lede {
  color: var(--indium);
  max-width: 34rem;
  margin: 0 auto 1.8rem;
}

.contact .hero-actions { justify-content: center; }

/* ---------- Lightbox ---------- */

.lightbox[hidden] { display: none; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(23, 25, 27, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox img {
  max-height: 90vh;
  max-width: 92vw;
  border-radius: 8px;
}
.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
  color: #E8EAEC;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  padding: 0.4rem 1.1rem;
  cursor: pointer;
}
.lightbox-close:hover { border-color: #FFFFFF; }

/* ---------- Back to top ---------- */

.back-to-top {
  position: fixed;
  bottom: 1.4rem;
  right: 1.4rem;
  z-index: 60;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(23, 25, 27, 0.08);
}
.back-to-top:hover { border-color: var(--ink); }

/* ---------- Motion & responsive ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .gallery-item img, .play-badge, .site-nav a { transition: none; }
}

@media (max-width: 980px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 2; }
  .gear-grid { grid-template-columns: 1fr 1fr; }
  .video-grid, .roof-split, .gear-grid-dark { grid-template-columns: 1fr; }
  .header-cta { display: none; }
}

@media (max-width: 700px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0.6rem 1.5rem;
    padding-block: 0.7rem;
  }
  .site-nav {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    gap: 1.2rem;
  }
  .gallery-grid, .gear-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: auto; }
  .gallery-item.wide img { aspect-ratio: 4 / 3; }
  .dp-row { grid-template-columns: 1fr; gap: 0.1rem; }
}