:root {
  color-scheme: dark;
  --bg: #101418;
  --panel: #151c20;
  --panel-strong: #1f292d;
  --text: #f3f6f4;
  --muted: #a9b4b1;
  --line: rgba(255, 255, 255, 0.14);
  --blue: #67b7ff;
  --teal: #4fd2bd;
  --amber: #dba35c;
  --shadow: rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: #11181c;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/hero-ai-infrastructure.png");
  background-position: 64% center;
  background-size: cover;
  opacity: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(6, 10, 12, 0.2);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 720px;
  display: flex;
  flex-direction: column;
}

.nav {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: #ffffff;
}

.brand__mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(15, 23, 27, 0.62);
  color: var(--teal);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.nav__links a {
  padding: 8px 0;
}

.nav__links a:hover {
  color: #ffffff;
}

.hero__content {
  width: min(640px, 100%);
  margin-top: 112px;
  padding-bottom: 80px;
}

.eyebrow,
.section__label {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  color: #ffffff;
  font-size: 64px;
  line-height: 1.06;
  font-weight: 760;
  max-width: 620px;
  overflow-wrap: anywhere;
}

.lead {
  max-width: 610px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

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

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
}

.button--primary {
  background: #f4f8f7;
  color: #12191c;
}

.button--ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(15, 23, 27, 0.46);
  color: #ffffff;
}

.section {
  background: #f4f5f2;
  color: #111819;
}

.section__inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 88px 0;
}

.section .section__label,
.status .section__label {
  color: #3a7b73;
}

h2 {
  max-width: 760px;
  margin-bottom: 34px;
  font-size: 36px;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

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

.focus-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(18, 24, 25, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(21, 30, 32, 0.08);
}

.focus-card__index {
  display: inline-block;
  margin-bottom: 42px;
  color: #3a7b73;
  font-weight: 800;
}

.focus-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.focus-card p {
  margin-bottom: 0;
  color: #53605e;
}

.status {
  background: #12181b;
  color: var(--text);
}

.status__inner {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 48px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.status h2 {
  margin-bottom: 0;
}

.status p {
  margin: 34px 0 0;
  color: var(--muted);
}

.footer {
  min-height: 84px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 24px;
  background: #0f1417;
  color: #a9b4b1;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer a {
  color: #d8e1df;
}

.footer a:hover {
  color: #ffffff;
}

@media (max-width: 820px) {
  .hero,
  .hero__inner {
    min-height: 680px;
  }

  .hero__inner,
  .section__inner,
  .status__inner {
    width: min(100% - 32px, 1120px);
  }

  .nav {
    height: 76px;
  }

  .nav__links {
    gap: 14px;
  }

  .hero__content {
    margin-top: 76px;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 30px;
  }

  .focus-grid,
  .status__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .nav__links {
    display: none;
  }

  .hero,
  .hero__inner {
    min-height: 650px;
  }

  .hero__content {
    margin-top: 60px;
  }

  h1 {
    max-width: 340px;
    font-size: 34px;
    line-height: 1.16;
    word-break: break-all;
  }

  .lead {
    max-width: 340px;
    font-size: 16px;
    word-break: break-all;
  }

  h2 {
    font-size: 26px;
    line-height: 1.24;
    word-break: break-all;
  }

  .section__inner {
    padding: 64px 0;
  }
}