:root {
  color-scheme: dark;
  --ink: #071014;
  --ink-soft: #0e1b20;
  --paper: #f5fbf7;
  --muted: #b6c8c4;
  --cyan: #38d9cf;
  --green: #8ee19f;
  --amber: #f2b66d;
  --line: rgba(245, 251, 247, 0.14);
  --panel: rgba(8, 24, 29, 0.74);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-shell {
  min-height: 100vh;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 16, 20, 0) 0%, var(--ink) 68%),
    radial-gradient(circle at 82% 18%, rgba(56, 217, 207, 0.15), transparent 26%),
    var(--ink);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 96px clamp(20px, 5vw, 72px) 112px;
  isolation: isolate;
}

.hero__image,
.hero__veil {
  position: absolute;
  inset: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
}

.hero__veil {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 16, 20, 0.92) 0%, rgba(7, 16, 20, 0.7) 42%, rgba(7, 16, 20, 0.22) 100%),
    linear-gradient(180deg, rgba(7, 16, 20, 0.2) 0%, rgba(7, 16, 20, 0.94) 100%);
}

.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(20px, 5vw, 72px);
}

.brand,
.nav__links {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
}

.brand__mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(142, 225, 159, 0.45);
  border-radius: 50%;
  color: var(--green);
  background: rgba(7, 16, 20, 0.52);
  box-shadow: 0 0 28px rgba(56, 217, 207, 0.18);
}

.nav__links {
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav__links a {
  transition: color 180ms ease;
}

.nav__links a:hover {
  color: var(--paper);
}

.hero__content {
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(58px, 8vw, 118px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.2;
}

.hero__lead {
  max-width: 640px;
  margin-bottom: 34px;
  color: #d6e5e1;
  font-size: clamp(18px, 2.5vw, 25px);
  line-height: 1.58;
}

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

.button,
.status-pill {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.button {
  padding: 0 22px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.button--primary {
  background: var(--paper);
  color: #0b181d;
}

.button--secondary {
  border: 1px solid rgba(56, 217, 207, 0.42);
  color: var(--paper);
  background: rgba(56, 217, 207, 0.1);
}

.button--secondary:hover {
  border-color: rgba(142, 225, 159, 0.8);
}

.status-pill {
  padding: 0 18px;
  border: 1px solid rgba(242, 182, 109, 0.5);
  color: #ffe2ba;
  background: rgba(242, 182, 109, 0.12);
}

.band {
  padding: 80px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.band--intro {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 92px);
  align-items: start;
  background: linear-gradient(180deg, rgba(14, 27, 32, 0.62), rgba(7, 16, 20, 0));
}

.section-heading {
  max-width: 520px;
}

.intro-text,
.band--contact p,
.capability p {
  color: var(--muted);
  line-height: 1.82;
}

.intro-text {
  max-width: 820px;
  font-size: clamp(18px, 2.2vw, 25px);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.capability {
  min-height: 280px;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(56, 217, 207, 0.08), transparent 46%),
    var(--panel);
}

.capability__index {
  display: inline-block;
  margin-bottom: 56px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
}

.band--contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  min-height: 300px;
  background:
    linear-gradient(90deg, rgba(56, 217, 207, 0.12), transparent 48%),
    var(--ink-soft);
}

.band--contact p {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 17px;
}

@media (max-width: 840px) {
  .hero {
    min-height: 86vh;
    padding-top: 112px;
  }

  .nav {
    align-items: flex-start;
  }

  .nav__links {
    gap: 14px;
  }

  .band--intro,
  .band--contact {
    grid-template-columns: 1fr;
  }

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

  .capability {
    min-height: 220px;
  }

  .capability__index {
    margin-bottom: 36px;
  }
}

@media (max-width: 560px) {
  .nav__links {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding-bottom: 76px;
  }

  h1 {
    font-size: 54px;
  }

  .hero__lead {
    font-size: 17px;
  }

  .button,
  .status-pill {
    width: 100%;
  }

  .band {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .capability {
    padding: 28px;
  }
}