@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;550;650;750;800;900&display=swap");

:root {
  --ink: #0f1117;
  --navy: #2a2f3a;
  --midnight: #07080c;
  --panel: #181c25;
  --panel-soft: #252b36;
  --orange: #ff8a00;
  --orange-strong: #ffb14d;
  --white: #ffffff;
  --mist: #e5e8ec;
  --muted: #b3bac4;
  --line: rgba(255, 255, 255, 0.16);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(3, 7, 13, 0.92);
  border-bottom: 1px solid rgba(255, 138, 0, 0.28);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
}

.brand-logo {
  display: block;
  width: 186px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--mist);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 650;
  padding: 9px 11px;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--orange-strong);
  background: rgba(255, 138, 0, 0.1);
}

.hero {
  min-height: calc(100vh - 72px);
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--midnight);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 8, 12, 0.96) 0%, rgba(15, 17, 23, 0.83) 43%, rgba(15, 17, 23, 0.2) 100%),
    url("brand/gse-hero-artwork.webp") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(3, 7, 13, 0), rgba(3, 7, 13, 0.82));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0 76px;
  display: grid;
  align-content: center;
  min-height: calc(100vh - 72px);
}

.hero-logo {
  width: min(420px, 100%);
  height: auto;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange-strong);
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
  font-weight: 850;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 790px;
  font-size: 5.2rem;
}

h2 {
  font-size: 3.1rem;
}

h3 {
  font-size: 1.15rem;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: #dbe3ef;
  font-size: 1.22rem;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--orange-strong);
  color: #111;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 720px;
  margin-top: 52px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.metric {
  padding: 20px;
  background: rgba(7, 16, 29, 0.78);
}

.metric strong {
  display: block;
  color: var(--orange-strong);
  font-size: 1.9rem;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 9px;
  color: var(--mist);
  font-size: 0.92rem;
}

.section {
  padding: 84px 0;
}

.section.dark {
  color: var(--white);
  background: var(--navy);
}

.section.black {
  color: var(--white);
  background: var(--midnight);
}

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 560px;
  margin: 0;
  color: #5d6b80;
}

.dark .section-head p,
.black .section-head p {
  color: var(--muted);
}

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

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid #dfe5ee;
  border-radius: var(--radius);
  padding: 24px;
  background: var(--white);
}

.dark .card,
.black .card {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.055);
}

.card h3 {
  margin-bottom: 10px;
}

.card p,
.card li {
  color: #516074;
}

.card code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.card pre {
  margin: 14px 0 0;
  padding: 14px;
  color: #dbe3ef;
  background: var(--ink);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.card pre code {
  color: inherit;
}

.dark .card p,
.dark .card li,
.black .card p,
.black .card li {
  color: #c7d0df;
}

.card ul,
.check-list {
  margin: 14px 0 0;
  padding-left: 20px;
}

.feature-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: var(--orange-strong);
  border-radius: var(--radius);
  background: rgba(255, 138, 0, 0.12);
  border: 1px solid rgba(255, 138, 0, 0.28);
  font-weight: 900;
}

.band {
  padding: 36px;
  border-left: 4px solid var(--orange-strong);
  background: #f5f7fb;
}

.dark .band,
.black .band {
  background: rgba(255, 255, 255, 0.06);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: start;
}

.kicker {
  color: var(--orange);
  font-weight: 850;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.page-hero {
  color: var(--white);
  background: linear-gradient(135deg, var(--midnight), var(--panel-soft));
  padding: 82px 0 58px;
}

.page-hero h1 {
  max-width: 920px;
  font-size: 3.35rem;
}

.page-hero p {
  max-width: 740px;
  margin: 22px 0 0;
  color: #d6deea;
  font-size: 1.12rem;
}

.doc-list {
  display: grid;
  gap: 12px;
}

.doc-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  text-decoration: none;
  border: 1px solid #dfe5ee;
  border-radius: var(--radius);
  background: var(--white);
}

.doc-link strong {
  display: block;
}

.doc-link span {
  color: #617086;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  border: 1px solid rgba(255, 138, 0, 0.35);
  color: var(--orange-strong);
  background: rgba(255, 138, 0, 0.08);
  padding: 7px 10px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 750;
}

.todo {
  border-color: rgba(255, 138, 0, 0.45);
  background: #fff6ea;
}

.site-footer {
  color: var(--muted);
  background: var(--midnight);
  border-top: 1px solid rgba(255, 138, 0, 0.24);
}

.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: grid;
  gap: 10px;
}

.footer-logo {
  width: 210px;
  height: auto;
}

.footer-inner a {
  color: var(--mist);
}

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
    padding: 14px 0;
    flex-direction: column;
  }

  .brand-logo {
    width: 170px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero,
  .hero-content {
    min-height: auto;
  }

  .hero-content {
    padding: 76px 0 54px;
  }

  h1 {
    font-size: 3.4rem;
  }

  h2 {
    font-size: 2.35rem;
  }

  .page-hero h1 {
    font-size: 2.6rem;
  }

  .hero-metrics,
  .grid,
  .grid.two,
  .split {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 16px;
  }
}

@media (max-width: 560px) {
  .nav-links a {
    padding: 8px 8px;
  }

  .metric,
  .card,
  .band {
    padding: 18px;
  }

  .section {
    padding: 62px 0;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2rem;
  }

  .page-hero h1 {
    font-size: 2.15rem;
  }

  .hero-copy {
    font-size: 1.05rem;
  }
}