:root {
  color-scheme: light;
  --ink: #18211d;
  --muted: #66716b;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --sage: #6f8d74;
  --deep: #213f34;
  --leaf: #9db369;
  --berry: #b93f36;
  --cream: #f1eadc;
  --line: rgba(24, 33, 29, 0.14);
  --shadow: 0 26px 70px rgba(35, 47, 40, 0.16);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header[data-elevated="true"] {
  background: rgba(251, 250, 246, 0.94);
  box-shadow: 0 14px 36px rgba(24, 33, 29, 0.1);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.brand,
.nav,
.hero-actions,
.site-footer,
.contact-lines {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid currentColor;
  font-size: 18px;
}

.nav {
  justify-content: center;
  gap: clamp(14px, 3vw, 34px);
  font-size: 14px;
  font-weight: 750;
}

.header-action {
  border: 1px solid currentColor;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: 100vh;
  padding: 112px clamp(20px, 5vw, 72px) 64px;
  background:
    linear-gradient(110deg, rgba(21, 54, 43, 0.96), rgba(56, 91, 64, 0.9)),
    var(--deep);
  color: #fff;
  overflow: hidden;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #d5b468;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  max-width: 780px;
  font-size: clamp(48px, 7.4vw, 108px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.18;
}

.hero-copy p {
  max-width: 610px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.62;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-weight: 850;
  cursor: pointer;
}

.button.primary {
  background: #e8c870;
  color: #201b0d;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.72);
  color: #fff;
}

.hero-media {
  position: relative;
  min-height: min(72vh, 720px);
}

.hero-main {
  width: min(640px, 80%);
  height: min(72vh, 720px);
  margin-left: auto;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--shadow);
}

.hero-float {
  position: absolute;
  width: clamp(160px, 22vw, 280px);
  aspect-ratio: 1;
  object-fit: cover;
  border: 8px solid rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.22);
}

.hero-float-one {
  left: 0;
  bottom: 8%;
}

.hero-float-two {
  right: 4%;
  top: 8%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip > div {
  min-height: 148px;
  padding: 28px clamp(20px, 4vw, 48px);
  background: #fff;
}

.trust-strip strong {
  display: block;
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 24px;
}

.trust-strip span,
.section-head p,
.product-card p,
.capability-grid p,
.timeline span,
.inquiry-copy p {
  color: var(--muted);
  line-height: 1.72;
}

.section,
.process,
.inquiry {
  padding: clamp(70px, 10vw, 128px) clamp(20px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.sticky-head {
  position: sticky;
  top: 104px;
}

.section-head {
  max-width: 760px;
}

.section-head p {
  margin-top: 20px;
  margin-bottom: 0;
}

.centered {
  max-width: 840px;
  margin: 0 auto clamp(34px, 6vw, 64px);
  text-align: center;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: grid;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(24, 33, 29, 0.04);
}

.product-card.large {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  height: 275px;
  object-fit: cover;
}

.product-card.large img {
  height: 360px;
}

.product-card div {
  padding: 20px;
}

.product-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--berry);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.video-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(64px, 8vw, 104px) clamp(20px, 5vw, 72px);
  background: var(--deep);
  color: #fff;
}

.video-band p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.72;
}

.video-band video {
  width: 100%;
  max-height: 580px;
  background: #0f1714;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.custom {
  background: #fff;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability-grid article {
  min-height: 260px;
  padding: 28px;
  background: #fff;
}

.capability-grid span {
  display: block;
  margin-bottom: 28px;
  color: var(--sage);
  font-weight: 900;
}

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

.process .section-head {
  margin-bottom: clamp(34px, 6vw, 64px);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(24, 33, 29, 0.16);
  border: 1px solid rgba(24, 33, 29, 0.16);
}

.timeline li {
  min-height: 220px;
  padding: 28px;
  background: var(--paper);
}

.timeline strong {
  display: block;
  margin-bottom: 16px;
  color: var(--deep);
  font-size: 20px;
}

.inquiry {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  background: #fff;
}

.contact-lines {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-lines a,
.contact-lines span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--deep);
  font-weight: 800;
}

.wechat-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  max-width: 460px;
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.wechat-card img {
  width: 132px;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 58%;
  border: 1px solid rgba(24, 33, 29, 0.1);
}

.wechat-card p {
  margin: 0;
  color: var(--deep);
  font-weight: 850;
  line-height: 1.45;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  background: var(--paper);
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: var(--deep);
  font-size: 14px;
  font-weight: 850;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid rgba(24, 33, 29, 0.2);
  background: #fff;
  color: var(--ink);
  outline: none;
}

.quote-form input,
.quote-form select {
  height: 48px;
  padding: 0 12px;
}

.quote-form textarea {
  min-height: 140px;
  resize: vertical;
  padding: 12px;
}

.quote-form :focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(111, 141, 116, 0.16);
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--deep);
  font-weight: 800;
}

@media (max-width: 1100px) {
  .hero,
  .split,
  .video-band,
  .inquiry {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 620px;
  }

  .sticky-head {
    position: static;
  }

  .capability-grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 64px;
  }

  .nav {
    display: none;
  }

  .header-action {
    padding: 9px 12px;
  }

  .hero {
    min-height: auto;
    padding-top: 92px;
  }

  .hero-media {
    min-height: 430px;
  }

  .hero-main {
    width: 88%;
    height: 430px;
  }

  .hero-float {
    width: 150px;
    border-width: 6px;
  }

  .trust-strip,
  .product-grid,
  .capability-grid,
  .timeline,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .product-card.large {
    grid-column: span 1;
  }

  .product-card,
  .product-card.large {
    min-height: auto;
  }

  .product-card img,
  .product-card.large img {
    height: 300px;
  }

  .section,
  .process,
  .inquiry {
    padding-top: 64px;
    padding-bottom: 64px;
  }

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

  .wechat-card {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .wechat-card img {
    width: 112px;
  }
}