:root {
  --ink: #2b2925;
  --muted: #746d62;
  --paper: #fbf8f1;
  --porcelain: #fffdf8;
  --line: rgba(158, 132, 78, 0.22);
  --gold: #b89a55;
  --deep: #171613;
  --sage: #879079;
  --rose: #caa6a0;
  --shadow: 0 24px 60px rgba(43, 41, 37, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.7;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(255, 253, 248, 0.78);
  border-bottom: 1px solid rgba(184, 154, 85, 0.18);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 184px;
  height: 62px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.3vw, 36px);
  color: rgba(43, 41, 37, 0.78);
  font-size: 14px;
}

nav a {
  position: relative;
  white-space: nowrap;
}

nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  padding: 132px clamp(22px, 6vw, 88px) 84px;
  background: var(--deep);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(255, 253, 248, 0.94) 0%, rgba(255, 253, 248, 0.78) 37%, rgba(255, 253, 248, 0.06) 75%),
    linear-gradient(0deg, rgba(23, 22, 19, 0.12), rgba(23, 22, 19, 0.12));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
  margin-top: clamp(42px, 8vh, 92px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(58px, 8vw, 116px);
  line-height: 0.95;
  font-weight: 500;
}

.hero-copy {
  max-width: 540px;
  margin-bottom: 34px;
  color: rgba(43, 41, 37, 0.82);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  border: 1px solid var(--gold);
  border-radius: 3px;
  font: inherit;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover,
button:hover {
  transform: translateY(-1px);
}

.button.primary,
button {
  color: #fffdf8;
  background: var(--gold);
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 253, 248, 0.5);
}

.brand-statement,
.intro-band,
.collections,
.factory,
.process,
.contact {
  padding: clamp(70px, 9vw, 128px) clamp(22px, 6vw, 88px);
}

.brand-statement {
  background: var(--deep);
  color: #f4eee0;
}

.statement-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.statement-inner p {
  margin: 0;
  font-size: clamp(26px, 4vw, 54px);
  line-height: 1.5;
  font-weight: 300;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.25fr);
  gap: clamp(36px, 5vw, 80px);
  background: var(--porcelain);
}

.intro-text h2,
.section-heading h2,
.factory-copy h2,
.contact h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4.4vw, 62px);
  line-height: 1.15;
  font-weight: 500;
}

.intro-grid,
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.intro-grid article,
.process-steps article {
  min-height: 220px;
  padding: clamp(24px, 3vw, 38px);
  background: var(--porcelain);
}

.intro-grid strong,
.process-steps h3,
.collection-list h3 {
  display: block;
  margin-bottom: 14px;
  font-size: 22px;
  font-weight: 500;
}

.intro-grid p,
.section-heading p,
.collection-list p,
.factory-copy p,
.process-steps p,
.contact p {
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(34px, 5vw, 64px);
}

.collection-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: clamp(28px, 4vw, 58px);
  align-items: stretch;
}

.product-mosaic,
.factory > img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  box-shadow: var(--shadow);
}

.product-mosaic {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  background: var(--porcelain);
  box-shadow: none;
}

.product-mosaic figure {
  position: relative;
  min-height: 250px;
  margin: 0;
  overflow: hidden;
  background: #ece6dc;
}

.product-mosaic .feature-product {
  grid-row: span 2;
}

.product-mosaic img,
.factory > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-mosaic .feature-product img {
  object-position: center 42%;
}

.product-mosaic figure:not(.feature-product) img {
  object-position: center 38%;
}

.product-mosaic figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 8px 12px;
  color: #fffdf8;
  font-size: 13px;
  background: rgba(23, 22, 19, 0.52);
  backdrop-filter: blur(10px);
}

.collection-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.collection-list article {
  padding: 28px;
  background: var(--paper);
}

.collection-list span,
.process-steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.factory {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  background: #f4efe4;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 38px 0 0;
}

.metrics div {
  padding: 22px;
  border-top: 1px solid var(--gold);
  background: rgba(255, 253, 248, 0.55);
}

.metrics dt {
  color: var(--gold);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
}

.metrics dd {
  margin: 10px 0 0;
  color: var(--muted);
}

.process {
  background: var(--porcelain);
}

.process-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
  color: #f4eee0;
  background:
    linear-gradient(135deg, rgba(23, 22, 19, 0.96), rgba(61, 53, 38, 0.94)),
    var(--deep);
}

.contact p {
  color: rgba(244, 238, 224, 0.72);
}

form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(184, 154, 85, 0.34);
  background: rgba(255, 253, 248, 0.06);
}

label {
  display: grid;
  gap: 8px;
  color: rgba(244, 238, 224, 0.82);
  font-size: 14px;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(244, 238, 224, 0.22);
  border-radius: 2px;
  padding: 13px 14px;
  color: #f4eee0;
  background: rgba(255, 253, 248, 0.08);
  font: inherit;
}

textarea {
  min-height: 118px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(244, 238, 224, 0.45);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(22px, 6vw, 88px);
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

footer img {
  width: 168px;
  height: 74px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 86vh;
    padding-top: 160px;
  }

  .hero-content {
    width: min(430px, 100%);
  }

  .intro-band,
  .collection-layout,
  .factory,
  .contact {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

.product-mosaic,
.factory > img {
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .brand img {
    width: 132px;
  }

  .hero {
    min-height: 84vh;
    padding-inline: 20px;
  }

  .hero-content {
    margin-top: 22px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(255, 253, 248, 0.96) 0%, rgba(255, 253, 248, 0.8) 62%, rgba(255, 253, 248, 0.34) 100%),
      linear-gradient(0deg, rgba(23, 22, 19, 0.08), rgba(23, 22, 19, 0.08));
  }

  .hero-actions {
    display: grid;
  }

  .intro-grid,
  .process-steps,
  .metrics {
    grid-template-columns: 1fr;
  }

  .product-mosaic {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .product-mosaic .feature-product {
    grid-row: auto;
  }

  .contact {
    grid-template-columns: 1fr;
  }

  form {
    padding: 22px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}