/* DAI YAN — quiet commercial, warm gray / beige */
:root {
  --bg: #f7f4ef;
  --bg-soft: #efeae3;
  --surface: #ffffff;
  --ink: #2a2623;
  --ink-muted: #6b635c;
  --line: #ddd5cb;
  --accent: #8c533f;
  --accent-soft: #c4a091;
  --warm: #c9b8a6;
  --max: 1120px;
  --radius: 2px;
  --font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}
.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.85rem;
}
h1, h2, h3 { font-weight: 500; letter-spacing: 0.01em; line-height: 1.25; }
h1 { font-size: clamp(1.85rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin-bottom: 1rem; }
h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.lede {
  color: var(--ink-muted);
  font-size: 1.02rem;
  max-width: 38rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); background: transparent; color: var(--ink); }

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}
.logo img { height: 28px; width: auto; }
.nav-links {
  display: flex;
  gap: 1.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--ink);
}
.nav-cta:hover { background: var(--ink); color: #fff; }
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
}

/* Hero */
.hero {
  padding: 3.5rem 0 4.5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
.hero-copy .lede { margin: 1.25rem 0 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-meta {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-muted);
}
.hero-meta strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.hero-visual {
  position: relative;
  background: var(--bg-soft);
  aspect-ratio: 4/5;
  overflow: hidden;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(247,244,239,.92);
  padding: 0.65rem 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Sections */
section { padding: 5rem 0; }
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.75rem;
  align-items: end;
}
.section-head .lede { margin: 0; }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.soft-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem;
}
.fact-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}
.fact-list li {
  display: grid;
  grid-template-columns: 1.1rem 1fr;
  gap: 0.7rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.fact-list li::before {
  content: "";
  width: 6px; height: 6px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.25rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color .2s;
}
.card:hover { border-color: var(--warm); }
.card-media {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--bg-soft);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.card:hover .card-media img { transform: scale(1.03); }
.card-body { padding: 1.1rem 1.15rem 1.3rem; }
.card-code {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.card-body h3 { font-size: 0.98rem; margin-bottom: 0.35rem; }
.card-size { font-size: 0.82rem; color: var(--ink-muted); }
.product-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* Lookbook */
.lookbook { background: var(--bg-soft); }
.look-strip {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.75rem;
}
.look-strip figure { overflow: hidden; background: #ddd; }
.look-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/5;
}
.look-strip figure:first-child {
  grid-row: 1 / span 2;
}
.look-strip figure:first-child img { aspect-ratio: auto; height: 100%; min-height: 100%; }

/* Factory */
.factory-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.75rem;
}
.factory-grid .main {
  grid-row: 1 / span 2;
}
.factory-grid figure {
  overflow: hidden;
  background: var(--bg-soft);
}
.factory-grid img,
.factory-grid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4/3;
}
.factory-grid .main img,
.factory-grid .main video {
  aspect-ratio: 16 / 10;
  min-height: 100%;
  background: #111;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.25rem 1.1rem;
}
.stat strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.stat span { font-size: 0.82rem; color: var(--ink-muted); }

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.75rem 1.5rem;
}
.service img {
  width: 40px;
  height: 40px;
  margin-bottom: 1.1rem;
}
.service p { color: var(--ink-muted); font-size: 0.95rem; }

/* Contact */
.contact {
  background: var(--ink);
  color: #f3efe9;
}
.contact .eyebrow { color: var(--accent-soft); }
.contact .lede { color: rgba(243,239,233,.72); }
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.contact-list { display: grid; gap: 1.15rem; }
.contact-item {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.85rem;
  align-items: start;
}
.contact-item img {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(0.85);
  margin-top: 0.15rem;
}
.contact-item label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(243,239,233,.55);
  margin-bottom: 0.2rem;
}
.contact-item a:hover { color: var(--accent-soft); }
.qr-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.qr {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  padding: 1rem;
  text-align: center;
}
.qr img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin: 0 auto 0.75rem;
  background: #fff;
  padding: 0.4rem;
}
.qr span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(243,239,233,.65);
}
.contact-actions { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.contact .btn { background: #f3efe9; color: var(--ink); border-color: #f3efe9; }
.contact .btn:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.contact .btn-ghost { background: transparent; color: #f3efe9; border-color: rgba(243,239,233,.35); }
.contact .btn-ghost:hover { border-color: #f3efe9; color: #fff; }

/* Footer */
.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.legal { opacity: 0.75; margin-top: 0.75rem; font-size: 0.72rem; }

/* About images */
.about-mosaic {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.75rem;
}
.about-mosaic figure { overflow: hidden; background: var(--bg-soft); }
.about-mosaic img { width: 100%; height: 100%; object-fit: cover; }
.about-mosaic .tall { aspect-ratio: 3/4; }
.about-mosaic .sq { aspect-ratio: 1; }
.about-mosaic .wide { aspect-ratio: 4/3; grid-column: 1 / -1; }

@media (max-width: 900px) {
  .hero-grid,
  .section-head,
  .split,
  .contact-grid,
  .factory-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .look-strip {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .look-strip figure:first-child { grid-row: auto; grid-column: 1 / -1; }
  .look-strip figure:first-child img { aspect-ratio: 16/10; }
  .factory-grid .main img,
  .factory-grid .main video { aspect-ratio: 16/10; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 4.25rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 1.25rem 1.25rem 1.5rem;
    gap: 1rem;
  }
  .about-mosaic { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; }
  .qr-row { grid-template-columns: 1fr; }
  .hero { padding-top: 2rem; }
}