:root {
  --paper: #f4f0e6;
  --paper-soft: #fbf8f0;
  --ink: #25231f;
  --ink-muted: #69645a;
  --gold: #d8a018;
  --green: #446b54;
  --line: rgba(37, 35, 31, 0.14);
  --shadow: 0 28px 80px rgba(31, 29, 24, 0.16);
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 60;
  inset: 0;
  opacity: 0.032;
  pointer-events: none;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(37, 35, 31, 0.1);
  color: var(--ink);
  background: rgba(244, 240, 230, 0.84);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  height: 72px;
  margin: 0 auto;
}

.brand,
.footer-logo-line {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand img,
.footer-logo-line img {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(37, 35, 31, 0.08);
  object-fit: cover;
}

.brand span,
.footer-logo-line span {
  display: grid;
  gap: 1px;
}

.brand strong,
.footer-logo-line strong {
  font-size: 19px;
  letter-spacing: 0.08em;
}

.brand small,
.footer-logo-line small {
  color: rgba(37, 35, 31, 0.56);
  font-size: 9px;
  letter-spacing: 0.28em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
}

.nav-links a {
  opacity: 0.86;
  transition: opacity 180ms ease;
}

.nav-links a:hover {
  opacity: 1;
}

.menu-toggle {
  display: none;
  border: 0;
  color: inherit;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 1.5px;
  margin: 6px 0;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 92vh;
  min-height: 92svh;
  overflow: hidden;
  color: #fff;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 50%;
  transform: scale(1.03);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(24, 22, 18, 0.86) 0%, rgba(24, 22, 18, 0.68) 34%, rgba(24, 22, 18, 0.18) 100%),
    linear-gradient(0deg, rgba(24, 22, 18, 0.82) 0%, rgba(24, 22, 18, 0.08) 46%, rgba(24, 22, 18, 0.44) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 150px 0 126px;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.hero h1 {
  max-width: 760px;
  margin: 26px 0 26px;
  font-family: var(--serif);
  font-size: clamp(54px, 7vw, 112px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--gold);
  color: #211f1b;
  background: var(--gold);
}

.button-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-foot {
  position: relative;
  z-index: 2;
  display: flex;
  gap: clamp(18px, 5vw, 86px);
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 30px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.vision-section {
  display: grid;
  align-content: center;
  min-height: 96svh;
  padding: clamp(74px, 7vw, 104px) max(24px, 6vw) clamp(56px, 6vw, 82px);
}

.vision-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, 0.94fr);
  gap: clamp(44px, 7vw, 96px);
  width: min(1180px, 100%);
  margin: 34px auto 0;
}

.vision-copy h2,
.culture-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 64px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: 0;
}

.vision-copy p,
.culture-copy p {
  max-width: 700px;
  margin: 26px 0 0;
  color: var(--ink-muted);
  font-size: 17px;
  line-height: 2;
}

.principles {
  display: grid;
  gap: 1px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.principles article {
  min-height: 180px;
  padding: 32px;
  background: var(--paper-soft);
}

.principles span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.principles h3 {
  margin: 22px 0 12px;
  font-size: 22px;
}

.principles p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.8;
}

.culture-panel {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(28px, 5vw, 62px);
  width: min(1180px, 100%);
  margin: clamp(38px, 6vw, 72px) auto 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  background: #242820;
  box-shadow: var(--shadow);
}

.culture-mark {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.culture-mark img {
  width: 86px;
  height: 86px;
  object-fit: contain;
}

.culture-mark span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.culture-copy h2 {
  font-size: clamp(28px, 3vw, 44px);
}

.culture-copy p {
  max-width: 660px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
}

.culture-values {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  min-width: 190px;
}

.culture-values span {
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  padding: 46px max(24px, 6vw);
  color: #fff;
  background: #171814;
}

.footer-logo-line img {
  border-color: rgba(255, 255, 255, 0.12);
}

.footer-logo-line strong {
  color: #fff;
}

.footer-logo-line small {
  color: rgba(255, 255, 255, 0.55);
}

.footer-brand p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.footer-links {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 10px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  text-align: right;
}

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 820px) {
  .nav-shell {
    width: calc(100% - 34px);
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .brand strong {
    font-size: 17px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    right: 17px;
    left: 17px;
    display: none;
    padding: 20px;
    color: var(--ink);
    background: rgba(250, 248, 240, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: grid;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-media img {
    object-position: 60% 50%;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(24, 22, 18, 0.9) 0%, rgba(24, 22, 18, 0.5) 55%, rgba(24, 22, 18, 0.78) 100%),
      linear-gradient(90deg, rgba(24, 22, 18, 0.78), rgba(24, 22, 18, 0.2));
  }

  .hero-inner {
    width: calc(100% - 34px);
    padding: 130px 0 108px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-foot {
    display: grid;
    width: calc(100% - 34px);
    gap: 10px;
    font-size: 10px;
  }

  .vision-section {
    min-height: auto;
    padding: 78px 20px 58px;
  }

  .vision-grid,
  .culture-panel {
    grid-template-columns: 1fr;
  }

  .principles article {
    min-height: auto;
    padding: 26px;
  }

  .culture-panel {
    gap: 24px;
  }

  .culture-values {
    justify-content: flex-start;
    min-width: 0;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}