:root {
  --ink: #101820;
  --muted: #647078;
  --line: #d7dee2;
  --paper: #f6f3ec;
  --white: #ffffff;
  --blue: #0d5269;
  --cyan: #55aebd;
  --gold: #d6a54b;
  --green: #6a8d73;
  --shadow: 0 24px 80px rgba(16, 24, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

body::selection {
  background: rgba(85, 174, 189, 0.28);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(5, 16, 22, 0.62), rgba(5, 16, 22, 0));
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  font-size: 14px;
  font-weight: 600;
}

nav a {
  opacity: 0.86;
}

nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  padding: 120px clamp(20px, 6vw, 86px) 72px;
  color: var(--white);
}

.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 28%;
  z-index: -3;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 12, 18, 0.9) 0%, rgba(8, 25, 33, 0.7) 38%, rgba(8, 25, 33, 0.12) 78%),
    linear-gradient(0deg, rgba(4, 12, 18, 0.8) 0%, rgba(4, 12, 18, 0) 45%);
}

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

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(58px, 10vw, 142px);
  line-height: 0.9;
  font-weight: 800;
}

h2 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(30px, 4.2vw, 58px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  font-size: 21px;
  line-height: 1.3;
}

.lead {
  max-width: 660px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  padding: 0 20px;
  border-radius: 4px;
  font-weight: 700;
}

.button.primary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.hero-quote {
  position: absolute;
  right: clamp(20px, 5vw, 76px);
  bottom: 62px;
  width: min(330px, 32vw);
  border-left: 3px solid var(--gold);
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-quote span {
  display: block;
  height: 24px;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 58px;
  line-height: 0.75;
}

.hero-quote p {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 22px;
  line-height: 1.5;
}

.band {
  padding: clamp(72px, 9vw, 124px) clamp(20px, 6vw, 86px);
}

.intro {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
}

.intro-grid p,
.profile-copy p,
.closing p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #eef5f4;
}

.principles article {
  min-height: 300px;
  padding: clamp(34px, 5vw, 64px);
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principles span {
  display: block;
  margin-bottom: 46px;
  color: var(--blue);
  font-weight: 800;
}

.principles p,
.timeline p,
.metrics span {
  color: var(--muted);
  line-height: 1.75;
}

.companies {
  padding: clamp(72px, 9vw, 124px) clamp(20px, 6vw, 86px);
  background: #f0f4f2;
}

.company-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.company-panel {
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  border-radius: 8px;
  padding: clamp(28px, 4vw, 44px);
  color: var(--white);
  box-shadow: var(--shadow);
}

.reserve-panel {
  background: linear-gradient(145deg, #09232d, #0d5269 62%, #1e7775);
}

.metagate-panel {
  background: linear-gradient(145deg, #15251e, #496f55 58%, #b18a42);
}

.company-label {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.company-panel h3 {
  max-width: 620px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(26px, 3vw, 38px);
}

.company-panel p,
.company-panel li {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.82;
}

.company-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
}

.company-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 4px;
  padding: 0 18px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.1);
}

.company-link:hover {
  background: rgba(255, 255, 255, 0.18);
}

.profile {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.58fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: center;
  color: var(--white);
  background: linear-gradient(135deg, #0a2731, #0d5269 58%, #236a68);
}

.profile .section-kicker,
.profile-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.metrics {
  display: grid;
  gap: 14px;
}

.metrics div {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.metrics strong {
  display: block;
  margin-bottom: 10px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 26px;
}

.metrics span {
  color: rgba(255, 255, 255, 0.72);
}

.insight {
  padding: clamp(72px, 9vw, 124px) clamp(20px, 6vw, 86px);
  background: var(--paper);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 48px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.timeline article {
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
}

.timeline time {
  display: block;
  margin-bottom: 32px;
  color: var(--green);
  font-weight: 800;
}

.closing {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.56fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: end;
  background: var(--white);
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 26px clamp(20px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.7);
  background: #071218;
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    color: var(--ink);
    background: rgba(246, 243, 236, 0.9);
    backdrop-filter: blur(14px);
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding-top: 104px;
  }

  .hero-photo {
    object-position: 58% 18%;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(4, 12, 18, 0.88) 0%, rgba(8, 25, 33, 0.5) 58%, rgba(8, 25, 33, 0.18) 100%),
      linear-gradient(0deg, rgba(4, 12, 18, 0.86) 0%, rgba(4, 12, 18, 0) 56%);
  }

  .hero-quote {
    position: static;
    width: auto;
    margin-top: 32px;
  }

  .intro-grid,
  .profile,
  .closing {
    grid-template-columns: 1fr;
  }

  .principles,
  .timeline,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .company-panel {
    min-height: auto;
  }

  .principles article {
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principles article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 16px 18px;
  }

  .hero {
    min-height: 94vh;
    padding: 96px 18px 38px;
  }

  .hero-copy {
    max-width: 100%;
  }

  .lead {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .hero-quote p {
    font-size: 19px;
  }

  .band,
  .insight {
    padding-left: 18px;
    padding-right: 18px;
  }

  .principles article,
  .timeline article,
  .metrics div {
    padding: 24px;
  }
}