/* CHUK YIP COMPANY — shared site styles */

:root {
  --black: #111111;
  --white: #ffffff;
  --grey: #6f6f6f;
  --line: #e4e2de;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; }

/* ---------- Announcement bar ---------- */
.announcement {
  background: var(--black);
  color: var(--white);
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 9px 16px;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px 32px 18px;
  text-align: center;
  position: relative;
}

.wordmark {
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  display: inline-block;
  padding-left: 0.32em; /* optically re-center letter-spaced text */
}

.main-nav {
  margin-top: 14px;
  display: flex;
  justify-content: center;
  gap: 38px;
  flex-wrap: wrap;
}

.main-nav a {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active { border-bottom-color: var(--black); }

.nav-toggle {
  display: none;
  position: absolute;
  top: 26px;
  right: 24px;
  background: none;
  border: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: var(--sans);
}

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  height: 82vh;
  min-height: 480px;
  overflow: hidden;
  background: var(--black);
}

.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
}

.hero-content h1 {
  font-size: clamp(40px, 6vw, 76px);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.hero-content p {
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 36px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 15px 42px;
  border: 1px solid var(--black);
  background: var(--black);
  color: var(--white);
  transition: background 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.btn:hover { background: transparent; color: var(--black); }

.btn.btn-light { border-color: var(--white); background: var(--white); color: var(--black); }
.btn.btn-light:hover { background: transparent; color: var(--white); }

.btn.btn-outline { background: transparent; color: var(--black); }
.btn.btn-outline:hover { background: var(--black); color: var(--white); }

/* ---------- Sections ---------- */
.section { padding: 96px 32px; }

.section-inner { max-width: 1280px; margin: 0 auto; }

.section-title {
  font-size: clamp(30px, 3.6vw, 44px);
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 56px;
}

/* ---------- Category tiles ---------- */
.category-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-tile { position: relative; overflow: hidden; background: #f4f3f1; }

.category-tile img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-tile:hover img { transform: scale(1.04); }

.category-tile span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 18px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.45));
  color: var(--white);
}

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 24px;
}

.product-card { text-align: center; }

.product-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #f4f3f1;
  overflow: hidden;
  margin-bottom: 16px;
}

.product-media img,
.product-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-media video { opacity: 0; transition: opacity 0.25s ease; }
.product-card.playing .product-media video { opacity: 1; }

.product-card h3 {
  font-size: 21px;
  margin-bottom: 4px;
}

.product-card .product-meta {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey);
}

/* ---------- Page hero (category pages) ---------- */
.page-hero {
  text-align: center;
  padding: 88px 24px 64px;
}

.page-hero h1 { font-size: clamp(38px, 5vw, 58px); margin-bottom: 14px; }

.page-hero p {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grey);
}

/* ---------- Brand statement / About ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-split img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }

.about-split h2 { font-size: clamp(30px, 3.4vw, 42px); margin-bottom: 22px; }

.about-split p { color: #333; margin-bottom: 18px; max-width: 46ch; }

/* ---------- Product detail ---------- */
.product-detail {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 32px 96px;
}

.breadcrumb {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 40px;
}

.breadcrumb a:hover { color: var(--black); }

.detail-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: start;
}

.detail-media-main {
  background: #f4f3f1;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.detail-media-main img,
.detail-media-main video { width: 100%; height: 100%; object-fit: cover; }

.detail-video { margin-top: 16px; }
.detail-video video { width: 100%; background: var(--black); }

.detail-video-label,
.variant-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin: 28px 0 12px;
}

.variant-thumbs { display: flex; gap: 12px; flex-wrap: wrap; }

.variant-thumbs button {
  width: 72px;
  height: 72px;
  padding: 0;
  border: 1px solid var(--line);
  background: #f4f3f1;
  cursor: pointer;
  overflow: hidden;
}

.variant-thumbs button.active { border-color: var(--black); }

.variant-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.detail-info h1 { font-size: clamp(32px, 4vw, 48px); margin-bottom: 10px; }

.detail-info .detail-code {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 28px;
}

.detail-specs { border-top: 1px solid var(--line); margin-bottom: 36px; }

.detail-specs div {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.detail-specs dt {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--grey);
}

.detail-note { font-size: 13px; color: var(--grey); margin-top: 20px; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: start;
}

.contact-details h2 { font-size: clamp(28px, 3vw, 38px); margin-bottom: 28px; }

.contact-details p { color: #333; margin-bottom: 18px; }

.contact-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 6px !important;
}

.contact-email { border-bottom: 1px solid var(--black); }

.contact-note { font-size: 13px; color: var(--grey); max-width: 42ch; }

.contact-details .btn { margin-top: 10px; }

.contact-map iframe {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 0;
  display: block;
  background: #f4f3f1;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 72px 32px 40px;
  text-align: center;
}

.footer-wordmark {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.footer-nav a {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}

.footer-nav a:hover { color: var(--black); }

.footer-contact { font-size: 13px; color: var(--grey); margin-bottom: 8px; }

.footer-legal { font-size: 11px; color: #a9a9a9; margin-top: 30px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .category-tiles { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .header-inner { padding: 18px 20px 14px; text-align: left; }
  .wordmark { font-size: 21px; padding-left: 0; }
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .site-header.nav-open .main-nav { display: flex; }

  .section { padding: 64px 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 14px; }
  .about-split { grid-template-columns: 1fr; gap: 36px; }
  .detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { height: 68vh; }
}

@media (max-width: 420px) {
  .category-tiles { grid-template-columns: 1fr; }
}