:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #526173;
  --paper: #f5f7fa;
  --white: #ffffff;
  --line: #d7dee8;
  --panel: #eef3f7;
  --night: #101820;
  --night-soft: #182431;
  --teal: #0f766e;
  --teal-dark: #134e4a;
  --amber: #b86b16;
  --red: #b42318;
  --blue: #2458a6;
  --shadow: 0 18px 44px 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:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

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

.brand {
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--teal-dark);
  border-radius: 8px;
  font-size: 0.78rem;
}

.nav {
  gap: 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: 720px;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--night);
}

.hero-media,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("./assets/browserbridge-hero.png");
  background-position: center right;
  background-size: cover;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(10, 16, 24, 0.94), rgba(10, 16, 24, 0.78) 48%, rgba(10, 16, 24, 0.45)),
    rgba(10, 16, 24, 0.34);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 48px));
  margin-left: max(24px, calc((100vw - 1180px) / 2));
  padding: 80px 0 96px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9ee8dc;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--teal);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 5rem;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 2.75rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

p {
  margin-top: 0;
}

.tagline {
  max-width: 640px;
  margin: 22px 0 0;
  color: #edf5f3;
  font-size: 1.36rem;
}

.hero-note {
  max-width: 700px;
  margin: 18px 0 0;
  color: #cfd9df;
  font-size: 1.04rem;
}

.hero-actions,
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 34px;
}

.badge-row {
  margin-bottom: 26px;
}

.badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  color: #e8f2f0;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 800;
}

.badge-strong {
  color: #092521;
  background: #8ee7da;
  border-color: #8ee7da;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #08231f;
  background: #8ee7da;
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.band {
  padding: 84px max(24px, calc((100vw - 1180px) / 2));
}

.intro,
.capabilities,
.pricing,
.audit {
  background: var(--white);
}

.section-grid,
.split,
.help {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading p,
.section-grid p,
.split p,
.copy-stack p {
  color: var(--muted);
  font-size: 1.08rem;
}

.copy-stack {
  display: grid;
  gap: 14px;
}

.copy-stack p {
  margin: 0;
}

.feature-list,
.security-grid,
.card-grid,
.link-grid {
  display: grid;
  gap: 16px;
}

.feature-list {
  grid-template-columns: 1fr;
}

article,
.code-card,
.boundary-panel,
.link-grid a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

article {
  padding: 22px;
}

article p {
  margin: 0;
  color: var(--muted);
}

.card-grid.two {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.capability-card {
  min-height: 180px;
}

.card-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.architecture {
  color: #edf7f5;
  background: var(--night-soft);
}

.architecture .section-heading {
  margin-bottom: 0;
}

.architecture h2 {
  color: #fff;
}

.architecture .section-heading p {
  color: #cfd9df;
}

.security-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.security-grid article {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.16);
}

.security-grid article p {
  color: #d0dcda;
}

.status-dot {
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 18px;
  border-radius: 50%;
}

.status-dot.teal {
  background: #67e8d5;
}

.status-dot.amber {
  background: #f3b14f;
}

.status-dot.coral {
  background: #f27b73;
}

.unsupported {
  background: #fff8f7;
}

.unsupported .section-heading h2 {
  color: var(--red);
}

.boundary-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 22px;
  background: #fff;
  border-color: #f0c6c1;
}

.boundary-panel span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid #edb8b0;
  border-radius: 999px;
  color: #7a1f16;
  background: #fff1ef;
  font-weight: 800;
}

.setup,
.verification {
  background: var(--panel);
}

.code-card {
  overflow: hidden;
  background: #0f1720;
  color: #e7eef5;
  box-shadow: var(--shadow);
}

.code-title,
.code-caption {
  margin: 0;
  padding: 16px 18px;
}

.code-title {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 800;
}

.code-caption {
  color: #c4d0da;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.94rem;
}

pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
}

pre code {
  color: #e7eef5;
  font-size: 0.92rem;
}

.harness-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.harness-list li {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-left: 4px solid var(--blue);
  background: var(--white);
  box-shadow: 0 1px 0 var(--line);
  font-weight: 800;
}

.checksum {
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
}

.roadmap {
  background: #eef3f7;
}

.timeline {
  display: grid;
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 58px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline strong {
  color: var(--teal-dark);
}

.help {
  background: #fff;
}

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

.link-grid a {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.link-grid a:hover,
.link-grid a:focus-visible {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px max(24px, calc((100vw - 1180px) / 2));
  color: #d8e0ea;
  background: #0d131a;
}

.docs-hero {
  padding: 96px max(24px, calc((100vw - 1180px) / 2)) 44px;
  background: var(--white);
}

.docs-hero .badge {
  color: var(--teal-dark);
  border-color: var(--line);
  background: var(--panel);
}

.docs-hero .badge-strong {
  color: #092521;
  background: #b7efe7;
}

.docs-hero h1 {
  color: var(--ink);
  font-size: 4rem;
}

.docs-hero p {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.12rem;
}

.docs-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 40px;
}

.docs-list h2 {
  margin-bottom: 10px;
  font-size: 1.28rem;
}

.docs-list a {
  display: inline-block;
  margin-top: 14px;
  color: var(--teal-dark);
  font-weight: 800;
}

@media (max-width: 980px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.2rem;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
  }

  .nav {
    width: 100%;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-media {
    background-position: 58% center;
  }

  .hero-content {
    width: calc(100% - 40px);
    margin: 0 20px;
    padding: 52px 0 68px;
  }

  h1,
  .docs-hero h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1.18rem;
  }

  .section-grid,
  .split,
  .help {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .card-grid.two,
  .security-grid,
  .harness-list,
  .link-grid,
  .docs-list {
    grid-template-columns: 1fr;
  }

  .band {
    padding: 64px 20px;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }
}