:root {
  color-scheme: dark;
  --black: #030505;
  --ink: #07100f;
  --ink-2: #0d1514;
  --paper: #f3efe4;
  --muted: rgba(243, 239, 228, 0.62);
  --faint: rgba(243, 239, 228, 0.34);
  --line: rgba(218, 229, 223, 0.14);
  --teal: #83d2bd;
  --teal-dim: rgba(131, 210, 189, 0.16);
  --gold: #d5bf87;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 12% 18%, rgba(131, 210, 189, 0.12), transparent 26rem),
    radial-gradient(circle at 86% 12%, rgba(213, 191, 135, 0.08), transparent 24rem),
    linear-gradient(180deg, #030505 0%, #07100f 42%, #030505 100%);
}

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

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

.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.22;
  mix-blend-mode: screen;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 3px 3px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4.5vw, 64px);
  background: linear-gradient(180deg, rgba(3, 5, 5, 0.84), rgba(3, 5, 5, 0));
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-symbol {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 1px solid rgba(243, 239, 228, 0.24);
  background: rgba(6, 11, 11, 0.58);
  font-size: 15px;
}

.brand-text {
  display: grid;
  gap: 5px;
}

.brand-text strong {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
}

.brand-text em {
  color: var(--faint);
  font-size: 11px;
  font-style: normal;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: clamp(18px, 3vw, 34px);
  color: rgba(243, 239, 228, 0.7);
  font-size: 13px;
}

.nav-links a {
  padding: 10px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  border-color: var(--teal);
  color: var(--paper);
}

.sup {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 11px;
  line-height: 1.4;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8.2vw, 116px);
  font-weight: 450;
  line-height: 0.98;
}

h2 {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(32px, 5.3vw, 72px);
  font-weight: 430;
  line-height: 1.05;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  font-weight: 480;
  line-height: 1.28;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 128px clamp(20px, 5vw, 72px) 34px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.012);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(3, 5, 5, 0.92) 0%, rgba(3, 5, 5, 0.66) 35%, rgba(3, 5, 5, 0.12) 76%),
    linear-gradient(180deg, rgba(3, 5, 5, 0.06) 0%, rgba(3, 5, 5, 0.92) 100%);
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  width: min(900px, 100%);
  margin-bottom: clamp(44px, 8vw, 112px);
}

.tagline {
  margin-bottom: 20px;
  color: var(--gold);
  font-size: clamp(22px, 3vw, 38px);
}

.lead {
  max-width: 650px;
  font-size: clamp(17px, 1.6vw, 20px);
}

.hero-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(900px, 100%);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.hero-panel span {
  min-height: 74px;
  display: flex;
  align-items: center;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 6, 6, 0.46);
  color: rgba(243, 239, 228, 0.72);
  font-size: 13px;
}

.intro-section,
.process-section,
.proof-section {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(88px, 11vw, 154px) clamp(20px, 5vw, 40px);
}

.intro-section {
  display: grid;
  grid-template-columns: 0.32fr minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: clamp(28px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.intro-number {
  color: rgba(243, 239, 228, 0.18);
  font-family: Georgia, serif;
  font-size: clamp(64px, 12vw, 150px);
  line-height: 0.8;
}

.intro-copy {
  padding-top: 38px;
}

.craft-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: clamp(30px, 5vw, 78px);
  align-items: center;
  padding: clamp(70px, 9vw, 124px) clamp(20px, 5vw, 72px);
}

.craft-image-wrap {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.craft-image-wrap::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent 45%, rgba(3, 5, 5, 0.4) 100%);
}

.craft-image-wrap img {
  width: 100%;
  height: 100%;
  min-height: 660px;
  object-fit: cover;
}

.craft-copy {
  max-width: 590px;
}

.capability-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
}

.capability-strip span {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  background: rgba(10, 17, 16, 0.82);
  color: rgba(243, 239, 228, 0.78);
  font-size: 14px;
}

.process-section {
  border-top: 1px solid var(--line);
}

.process-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 1px;
  margin-top: 32px;
  overflow-x: auto;
  background: var(--line);
  scrollbar-width: thin;
}

.process-track article {
  min-height: 250px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(16, 26, 24, 0.96), rgba(8, 13, 13, 0.96)),
    var(--ink);
}

.process-track span,
.proof-list span {
  display: inline-block;
  margin-bottom: 54px;
  color: var(--teal);
  font-size: 12px;
}

.process-track p,
.proof-list p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.8;
}

.cases-section {
  position: relative;
  overflow: hidden;
  padding: clamp(76px, 9vw, 130px) 0 clamp(88px, 10vw, 150px);
}

.archive-visual {
  position: absolute;
  inset: 0 0 auto;
  height: 760px;
  opacity: 0.74;
}

.archive-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(3, 5, 5, 0.18), var(--black) 94%),
    linear-gradient(90deg, rgba(3, 5, 5, 0.82), rgba(3, 5, 5, 0.1) 52%, rgba(3, 5, 5, 0.86));
}

.archive-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cases-head {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 40px));
  margin: 0 auto clamp(54px, 8vw, 104px);
  text-align: center;
}

.case-rail {
  position: relative;
  z-index: 1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 31vw);
  gap: 18px;
  overflow-x: auto;
  padding: 0 clamp(20px, 5vw, 72px) 18px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.case-item {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
  scroll-snap-align: start;
}

.case-item.wide {
  grid-column: span 2;
  grid-auto-columns: minmax(520px, 44vw);
}

.case-item img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.04);
  transform: scale(1.01);
  transition: transform 0.7s ease, filter 0.7s ease;
}

.case-item::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(3, 5, 5, 0.05) 0%, rgba(3, 5, 5, 0.22) 45%, rgba(3, 5, 5, 0.92) 100%),
    linear-gradient(90deg, rgba(3, 5, 5, 0.3), transparent);
}

.case-item div {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  padding: 26px;
}

.case-item span {
  color: var(--teal);
  font-size: 11px;
  text-transform: uppercase;
}

.case-item:hover img {
  filter: saturate(1) contrast(1.08);
  transform: scale(1.055);
}

.proof-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.74fr);
  gap: clamp(34px, 7vw, 90px);
}

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

.proof-list article {
  padding: 28px;
  background: rgba(12, 19, 18, 0.86);
}

.contact-section {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 100px 20px;
  text-align: center;
}

.contact-section > img,
.contact-shade {
  position: absolute;
  inset: 0;
}

.contact-section > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-shade {
  background:
    radial-gradient(circle at 50% 36%, rgba(3, 5, 5, 0.05), rgba(3, 5, 5, 0.78) 56%, #030505 100%),
    linear-gradient(180deg, rgba(3, 5, 5, 0.18), rgba(3, 5, 5, 0.76));
}

.contact-copy {
  position: relative;
  z-index: 1;
  width: min(880px, 100%);
}

.contact-copy a {
  display: inline-flex;
  margin-top: 18px;
  padding: 16px 24px;
  border: 1px solid rgba(243, 239, 228, 0.24);
  background: rgba(4, 8, 8, 0.48);
  color: var(--paper);
  font-size: clamp(24px, 4.8vw, 54px);
  line-height: 1.15;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #030505;
  color: rgba(243, 239, 228, 0.48);
  font-size: 12px;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero-panel,
  .intro-section,
  .craft-section,
  .proof-layout {
    grid-template-columns: 1fr;
  }

  .intro-copy {
    padding-top: 0;
  }

  .craft-image-wrap,
  .craft-image-wrap img {
    min-height: 480px;
  }

  .case-rail {
    grid-auto-columns: minmax(300px, 76vw);
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand-symbol {
    width: 44px;
    height: 44px;
  }

  .brand-text em {
    display: none;
  }

  .hero {
    min-height: 94svh;
    padding: 112px 18px 24px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-panel span {
    min-height: 58px;
  }

  .intro-section,
  .process-section,
  .proof-section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .craft-section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .capability-strip {
    grid-template-columns: 1fr;
  }

  .case-item,
  .case-item img {
    min-height: 500px;
  }

  .contact-section {
    min-height: 620px;
  }

  .contact-copy a {
    width: 100%;
    justify-content: center;
    overflow-wrap: anywhere;
  }

  .footer {
    flex-direction: column;
  }
}