:root {
  color-scheme: dark;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --bg: #061923;
  --panel: #0b2630;
  --line: rgba(180, 226, 224, .16);
  --text: #f1fbfa;
  --muted: #9ab6b8;
  --accent: #45d6ca;
  --accent-dark: #123f47;
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { min-width: 1024px; margin: 0; color: var(--text); background: radial-gradient(circle at 85% 8%, rgba(31, 128, 139, .2), transparent 34rem), var(--bg); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.skip-link { position: fixed; z-index: 20; top: -60px; left: 24px; padding: 10px 16px; color: #042128; background: var(--accent); }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; z-index: 10; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 78px; padding: 0 3vw; border-bottom: 1px solid var(--line); background: rgba(6, 25, 35, .92); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 13px; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 13px; color: #05252c; background: var(--accent); font-family: serif; font-size: 22px; font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .03em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 10px; }
nav { display: flex; gap: 30px; color: var(--muted); font-size: 13px; }
nav a:hover, nav a:focus-visible { color: var(--accent); }
.header-action { justify-self: end; padding: 13px 20px; border-radius: 999px; color: #06232a; background: var(--accent); font-size: 13px; font-weight: 800; }

main { overflow: hidden; }
.hero { position: relative; display: grid; grid-template-columns: minmax(560px, 1.1fr) minmax(480px, .9fr); min-height: 760px; padding: 84px max(4vw, 44px) 66px; gap: 54px; }
.hero::before, .hero::after { position: absolute; z-index: -1; content: ""; pointer-events: none; }
.hero::before { top: 4%; right: -8%; width: 58%; height: 78%; border: 1px solid rgba(69, 214, 202, .18); transform: skew(-18deg); background: repeating-linear-gradient(90deg, transparent 0 48px, rgba(69, 214, 202, .045) 49px 50px), repeating-linear-gradient(0deg, transparent 0 48px, rgba(69, 214, 202, .045) 49px 50px); box-shadow: 0 0 120px rgba(69, 214, 202, .12); }
.hero::after { right: 10%; bottom: 13%; width: 330px; height: 330px; border: 1px solid rgba(69, 214, 202, .32); border-radius: 50%; box-shadow: 0 0 0 34px rgba(69, 214, 202, .04), 0 0 0 94px rgba(69, 214, 202, .025); }
.hero-copy { align-self: start; max-width: 760px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(54px, 5.4vw, 86px); line-height: .98; letter-spacing: -.055em; }
h1 em { color: var(--accent); font-style: normal; }
.hero-description { max-width: 650px; margin: 30px 0 0; color: #bdd0d1; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; margin-top: 32px; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 750; }
.button-primary { border-color: var(--accent); color: #06232a; background: var(--accent); }
.button-secondary:hover { border-color: var(--accent); color: var(--accent); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 44px 0 0; border-top: 1px solid var(--line); }
.hero-facts div { padding: 20px 18px 0 0; border-right: 1px solid var(--line); }
.hero-facts div + div { padding-left: 18px; }
.hero-facts dt { font-size: 12px; font-weight: 800; }
.hero-facts dd { margin: 6px 0 0; color: var(--muted); font-size: 10px; }

.command-card { align-self: end; margin-bottom: 16px; padding: 24px; border: 1px solid rgba(69, 214, 202, .25); border-radius: 26px; color: #14333b; background: #edf8f7; box-shadow: 0 32px 80px rgba(0, 0, 0, .25); }
.command-heading { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; }
.command-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; color: #0d6667; background: #d5f4f0; font-size: 22px; }
.command-heading small, .command-heading strong { display: block; }
.command-heading small { color: #648082; font-size: 10px; }
.command-heading strong { margin-top: 4px; font-size: 19px; }
.command-heading b { padding: 7px 10px; border-radius: 999px; color: #0d6d68; background: #d7f1ef; font-size: 10px; }
.command-tabs { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 19px; gap: 6px; }
.command-tabs button { min-height: 46px; border: 0; border-radius: 12px; color: #587174; background: #dcebea; cursor: pointer; }
.command-tabs button[aria-selected="true"] { color: #fff; background: #0b3b45; }
.command-card label { display: block; margin: 18px 0 8px; color: #587174; font-size: 10px; font-weight: 700; }
.command-input-row { display: grid; grid-template-columns: 1fr auto; padding: 5px; border: 1px solid #bfd9d7; border-radius: 16px; background: #fff; }
.command-input-row input { min-width: 0; padding: 0 13px; border: 0; outline: 0; color: #16363c; background: transparent; }
.command-input-row button { min-height: 44px; padding: 0 17px; border: 0; border-radius: 12px; color: #062b30; background: var(--accent); font-weight: 800; cursor: pointer; }
.quick-links { display: flex; flex-wrap: wrap; margin-top: 12px; gap: 7px; }
.quick-links button { padding: 7px 10px; border: 1px solid #c7dcda; border-radius: 999px; color: #5a7476; background: #f7fbfb; font-size: 10px; cursor: pointer; }

.role-grid { padding: 76px max(4vw, 44px) 92px; color: #112e35; background: #eff7f6; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; margin-bottom: 32px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
h2 { margin: 0; font-size: 38px; letter-spacing: -.035em; }
.section-heading > p:last-child { justify-self: end; max-width: 430px; margin: 0; color: #60797b; line-height: 1.7; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #cfdfdd; border-radius: 22px; overflow: hidden; }
.cards a { display: grid; min-height: 270px; padding: 25px; border-right: 1px solid #cfdfdd; background: #fff; transition: transform .18s, background .18s; }
.cards a:last-child { border-right: 0; }
.cards a:hover { z-index: 1; transform: translateY(-5px); background: #e1f5f2; }
.cards span { color: #0c8079; font-size: 12px; font-weight: 800; }
.cards strong { align-self: end; font-size: 20px; }
.cards small { margin-top: 10px; color: #60797b; line-height: 1.7; }
.cards b { align-self: end; margin-top: 26px; color: #0a756f; font-size: 12px; }
.mobile-note { display: flex; align-items: center; justify-content: space-between; padding: 32px max(4vw, 44px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #08212c; }
.mobile-note strong { font-size: 18px; }
.mobile-note p { margin: 8px 0 0; color: var(--muted); }
.mobile-note > span { padding: 12px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--accent); font-size: 12px; }
footer { display: flex; justify-content: space-between; padding: 30px max(4vw, 44px); color: var(--muted); font-size: 11px; }

@media (max-width: 1180px) {
  .site-header nav { gap: 16px; }
  .hero { grid-template-columns: 1fr 470px; gap: 30px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .cards a:nth-child(2) { border-right: 0; }
  .cards a:nth-child(-n + 2) { border-bottom: 1px solid #cfdfdd; }
}
