:root {
  color-scheme: dark;
  --bg: #090908;
  --bg-2: #0f0e0b;
  --panel: #15130f;
  --panel-2: #1b1711;
  --text: #f7f0e2;
  --muted: #b8ad9a;
  --soft: #7e7668;
  --line: rgba(240, 168, 66, 0.24);
  --line-strong: rgba(240, 168, 66, 0.48);
  --accent: #f0a842;
  --accent-2: #82e6ba;
  --danger: #ff6b57;
  --ok: #82e6ba;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(240, 168, 66, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 168, 66, 0.028) 1px, transparent 1px),
    radial-gradient(circle at 12% 8%, rgba(130, 230, 186, 0.08), transparent 28rem),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(9, 9, 8, 0.2), rgba(9, 9, 8, 0.9));
  z-index: -1;
}

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

img {
  max-width: 100%;
  display: block;
}

code,
pre,
.eyebrow,
.panel-kicker,
.brand,
.button,
.terminal-top,
.terminal-result,
.flow-step span,
table,
label,
textarea,
input {
  font-family: var(--mono);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

button,
textarea,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--accent);
  color: #160f04;
  padding: 8px 12px;
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(9, 9, 8, 0.82);
  border-bottom: 1px solid rgba(240, 168, 66, 0.18);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border: 1px solid var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 24px rgba(240, 168, 66, 0.38);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 56px;
  padding: 76px 0 88px;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(50px, 9vw, 118px);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 22px 0 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: clamp(20px, 3vw, 34px);
  line-height: 1.15;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 0 16px;
  border: 1px solid transparent;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.button.primary {
  background: var(--accent);
  color: #160f04;
}

.button.secondary {
  background: rgba(130, 230, 186, 0.12);
  color: var(--accent-2);
  border-color: rgba(130, 230, 186, 0.4);
}

.button.ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
  outline: none;
}

.terminal-card,
.manifest-card,
.panel,
.flow-step,
.cta-panel,
.spec-table,
.verify-card,
.doc-callout,
.compat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018));
  box-shadow: var(--shadow);
}

.terminal-card {
  overflow: hidden;
}

.hero-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050505;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.compact-terminal {
  border-width: 1px 0 0;
  border-radius: 0;
  box-shadow: none;
  background: rgba(9, 9, 8, 0.92);
}

.compact-terminal pre {
  padding: 16px 18px;
}

.terminal-top {
  min-height: 40px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(240, 168, 66, 0.09);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.terminal-card pre,
.manifest-card pre,
.code-block pre {
  padding: 22px;
  color: #ffe0aa;
  font-size: 14px;
  line-height: 1.7;
}

.terminal-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--accent-2);
  font-size: 12px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 18px rgba(130, 230, 186, 0.8);
  flex: 0 0 auto;
}

.band {
  border-top: 1px solid rgba(240, 168, 66, 0.16);
  border-bottom: 1px solid rgba(240, 168, 66, 0.16);
  background: rgba(255, 255, 255, 0.02);
  padding: 82px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 28px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

p {
  color: var(--muted);
}

.pillar-grid,
.flow-grid,
.cta-grid,
.doc-grid,
.interface-grid,
.verify-layout,
.compat-grid {
  display: grid;
  gap: 18px;
}

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

.panel,
.flow-step,
.cta-panel,
.doc-callout,
.compat-card {
  padding: 24px;
}

.panel p:last-child,
.flow-step p:last-child,
.cta-panel p:last-child,
.doc-callout p:last-child,
.compat-card p:last-child {
  margin-bottom: 0;
}

.panel-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 48px;
  align-items: center;
  padding: 92px 0;
}

.manifest-card {
  background:
    linear-gradient(90deg, rgba(240, 168, 66, 0.08), transparent 38%),
    rgba(10, 9, 8, 0.86);
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flow-step {
  min-height: 240px;
}

.flow-step span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 12px;
}

.cta-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 92px 0;
}

.cta-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.cta-panel.with-image {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  padding: 0;
}

.cta-panel.with-image img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center 58%;
  border-right: 1px solid var(--line);
}

.cta-panel.with-image div {
  padding: 32px;
}

.site-footer {
  border-top: 1px solid rgba(240, 168, 66, 0.2);
  padding: 42px 0;
  background: #070706;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(130px, 0.6fr));
  gap: 28px;
}

.footer-brand {
  margin-bottom: 12px;
}

.site-footer h2 {
  margin-bottom: 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.site-footer a:not(.brand) {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin: 8px 0;
}

.site-footer a:hover {
  color: var(--accent);
}

.page-hero {
  padding: 76px 0 52px;
}

.page-hero h1 {
  font-size: clamp(46px, 8vw, 88px);
}

.page-hero .lead {
  max-width: 820px;
}

.content-section {
  padding: 44px 0 88px;
}

.spec-table {
  overflow: hidden;
}

.spec-row {
  display: grid;
  grid-template-columns: 230px 1fr;
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row strong,
.spec-row span {
  padding: 18px 20px;
}

.spec-row strong {
  color: var(--accent);
  border-right: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.spec-row span {
  color: var(--muted);
}

.doc-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: start;
}

.code-block {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0a08;
}

.doc-callout {
  margin-bottom: 18px;
}

.interface-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.verify-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  align-items: start;
  padding: 0 0 88px;
}

.verify-card {
  padding: 20px;
}

.verify-card label {
  display: block;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.drop-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 116px;
  margin-bottom: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.025);
}

.drop-zone.is-dragging {
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: rgba(130, 230, 186, 0.07);
}

textarea {
  width: 100%;
  min-height: 440px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #0b0a08;
  color: var(--text);
  outline: none;
  font-size: 13px;
  line-height: 1.6;
}

textarea:focus,
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 168, 66, 0.12);
}

.verify-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.verify-actions button {
  cursor: pointer;
}

.result-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: #0b0a08;
}

.result-box h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.result-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.result-status.valid {
  color: var(--ok);
  border-color: rgba(130, 230, 186, 0.55);
}

.result-status.invalid {
  color: var(--danger);
  border-color: rgba(255, 107, 87, 0.55);
}

.result-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.result-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(240, 168, 66, 0.14);
  color: var(--muted);
  font-size: 14px;
}

.result-list li span:first-child {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.small-note {
  margin-top: 18px;
  color: var(--soft);
  font-size: 13px;
}

.compat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.badge {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

@media (max-width: 900px) {
  .hero,
  .split-section,
  .doc-grid,
  .verify-layout,
  .cta-panel.with-image {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  .pillar-grid,
  .flow-grid,
  .cta-grid,
  .interface-grid,
  .compat-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .flow-step {
    min-height: auto;
  }

  .cta-panel.with-image img {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-row {
    grid-template-columns: 1fr;
  }

  .spec-row strong {
    border-right: 0;
    border-bottom: 1px solid rgba(240, 168, 66, 0.14);
    padding-bottom: 8px;
  }

  .spec-row span {
    padding-top: 10px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    min-height: 88px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }

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

  .nav-links a {
    padding: 0 8px;
  }

  .button {
    width: 100%;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(40px, 16vw, 64px);
  }

  textarea {
    min-height: 360px;
  }

  .result-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}