/* Gandalf public website — composition only. All visual values come from the canonical system. */

html { scroll-padding-top: 5rem; }

body { overflow-x: hidden; }

.marketing-header {
  position: sticky;
  z-index: 40;
  top: 0;
  background: var(--nav-bg);
  border-bottom: var(--border-thin) solid var(--nav-border);
  backdrop-filter: blur(18px);
}

.marketing-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  width: min(100% - 2rem, 76rem);
  min-height: 4.5rem;
  margin-inline: auto;
}

.marketing-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  white-space: nowrap;
}

.marketing-links {
  display: flex;
  flex: 1;
  justify-content: center;
  gap: var(--space-8);
}

.marketing-links a,
.marketing-footer nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.marketing-links a:hover,
.marketing-footer nav a:hover { color: var(--color-action-primary); }

.marketing-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: var(--control-target);
  min-height: var(--control-target);
  padding-inline: var(--space-5);
  color: var(--color-text-muted);
  background: transparent;
  border: var(--border-thin) solid var(--color-border-default);
  border-radius: var(--radius-control);
}

.marketing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  width: min(100% - 2rem, 76rem);
  min-height: calc(100vh - 4.5rem);
  margin-inline: auto;
  padding-block: clamp(4rem, 10vw, 8rem);
}

.marketing-hero__copy { position: relative; z-index: 2; }

.marketing-hero h1 {
  max-width: 12ch;
  margin: 0 0 var(--space-8);
  font-family: var(--font-serif);
  font-size: clamp(3.1rem, 5.35vw, 4.85rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.055em;
  line-height: 0.88;
}

.marketing-hero h1 span,
.marketing-hero h1 em { display: block; white-space: nowrap; }
.marketing-hero h1 em { color: var(--color-action-primary); font-style: normal; }

.marketing-lead {
  max-width: 58ch;
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.hero-rule-def {
  max-width: 52ch;
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.hero-status {
  max-width: 48rem;
  margin: var(--space-8) 0 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero-assurances {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin: var(--space-10) 0 0;
  padding: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  list-style: none;
}

.hero-assurances li { display: flex; align-items: center; gap: var(--space-2); }
.hero-assurances li span { color: var(--color-text-muted); }

.preview-caption {
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
}

.arch-diagram {
  margin: 0 0 var(--space-12);
  padding: var(--space-8);
  overflow-x: auto;
  color: var(--color-code-ink);
  background: var(--color-code-bg);
  border: var(--border-thin) solid var(--color-border-strong);
  border-radius: var(--radius-card);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.arch-diagram code {
  display: block;
  white-space: pre;
  font: inherit;
  color: inherit;
}

.section-footnote {
  max-width: 60ch;
  margin: var(--space-10) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.section-footnote a { color: var(--color-action-primary); }

.security-table-wrap { margin-top: var(--space-10); }
.security-open-work { margin-top: var(--space-8); }
.security-disclosure {
  max-width: 60ch;
  margin: var(--space-8) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.security-copy h2 { max-width: 16ch; }

/* Web3Forms honeypot — present for spam filtering, never rendered as a second control. */
.signup-form-botcheck {
  display: none;
}

.gate-stage { position: relative; display: grid; place-items: center; min-height: 38rem; }

.gate-halo {
  position: absolute;
  width: min(85vw, 35rem);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--color-canvas-glow), transparent 67%);
  border: var(--border-thin) solid var(--color-border-subtle);
  border-radius: var(--radius-circle);
}

.gate-halo::before,
.gate-halo::after {
  position: absolute;
  inset: 7%;
  border: var(--border-thin) solid var(--color-border-default);
  border-radius: inherit;
  content: "";
}

.gate-halo::after { inset: 16%; border-color: var(--color-selection); }

.wallet-preview {
  position: relative;
  z-index: 2;
  width: min(100%, var(--popup-width));
  overflow: hidden;
  background: var(--color-canvas);
  border: var(--border-thin) solid var(--color-border-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-elevation-2);
  transform: rotate(1.5deg);
}

.wallet-preview__header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: center;
  min-height: 3.75rem;
  padding: var(--space-4) var(--space-6);
  background: var(--nav-bg);
  border-bottom: var(--border-thin) solid var(--nav-border);
}

.wallet-preview__body { display: grid; gap: var(--space-5); padding: var(--space-6); }
.wallet-preview__context { display: flex; justify-content: space-between; gap: var(--space-4); align-items: center; color: var(--color-text-muted); font-size: var(--text-xs); }
.wallet-preview__actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

.assurance-band { background: var(--color-surface-inset); border-block: var(--border-thin) solid var(--color-border-default); }
.assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); width: min(100% - 2rem, 76rem); margin-inline: auto; }
.assurance-grid div { padding: var(--space-10); border-right: var(--border-thin) solid var(--color-border-default); }
.assurance-grid div:last-child { border-right: 0; }
.assurance-grid strong { display: block; margin-bottom: var(--space-2); font-family: var(--font-serif); font-size: var(--text-xl); font-weight: var(--weight-medium); }
.assurance-grid span { color: var(--color-text-muted); font-size: var(--text-xs); }

.marketing-section {
  width: min(100% - 2rem, 76rem);
  margin-inline: auto;
  padding-block: clamp(5rem, 11vw, 9rem);
}

.section-heading-marketing {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: var(--space-12);
}

.section-heading-marketing h2,
.security-copy h2,
.closing-section h2 {
  max-width: 14ch;
  margin-bottom: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.section-heading-marketing > p { margin: 0; color: var(--color-text-secondary); font-size: 1rem; }

.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.principle-card { display: flex; flex-direction: column; min-height: 20rem; padding: var(--space-10); background: var(--color-surface); border: var(--border-thin) solid var(--color-border-default); border-radius: var(--radius-card); }
.principle-card h3 { margin-top: auto; font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: var(--weight-medium); }
.principle-card p { color: var(--color-text-muted); }
.principle-number { display: block; margin-bottom: var(--space-13); color: var(--color-action-primary); font-family: var(--font-mono); font-size: var(--text-xs); }

.flow-section { border-top: var(--border-thin) solid var(--color-border-default); }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.flow-grid li { position: relative; display: grid; grid-template-rows: auto 1fr; gap: var(--space-8); padding: var(--space-8); border-top: var(--border-thin) solid var(--color-border-default); }
.flow-grid li::after { position: absolute; top: -1px; right: 0; width: 50%; height: var(--border-thin); background: var(--color-action-primary); content: ""; }
.flow-index { display: grid; place-items: center; width: 2rem; height: 2rem; color: var(--color-action-primary); border: var(--border-thin) solid var(--color-action-primary); border-radius: var(--radius-circle); font-family: var(--font-mono); font-size: var(--text-xs); }
.flow-grid h3 { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: var(--weight-medium); }
.flow-grid p { margin-bottom: 0; color: var(--color-text-muted); font-size: var(--text-sm); }

.gateway-section { border-top: var(--border-thin) solid var(--color-border-default); }
.gateway-grid { display: grid; grid-template-columns: minmax(20rem, 0.9fr) minmax(0, 1.1fr); gap: var(--space-8); align-items: start; }
.gateway-console { padding: var(--space-8); background: var(--color-code-bg); border: var(--border-thin) solid var(--color-border-strong); border-radius: var(--radius-card); box-shadow: var(--shadow-elevation-1); }
.gateway-console__head { display: flex; justify-content: space-between; gap: var(--space-4); align-items: center; padding-bottom: var(--space-6); border-bottom: var(--border-thin) solid var(--color-border-default); }
.gateway-console__head code { color: var(--color-code-ink); font-family: var(--font-mono); font-size: var(--text-xs); }
.gateway-console dl { display: grid; margin: var(--space-6) 0; }
.gateway-console dl div { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); padding-block: var(--space-4); border-bottom: var(--border-thin) solid var(--color-border-subtle); }
.gateway-console dt { color: var(--color-text-muted); font-size: var(--text-sm); }
.gateway-console dd { margin: 0; color: var(--color-code-ink); font-family: var(--font-mono); font-size: var(--text-sm); text-align: right; }
.gateway-console dd span { color: var(--color-success); }
.gateway-features { display: grid; gap: var(--space-5); }
.gateway-features .card { display: grid; grid-template-columns: minmax(9rem, 0.55fr) minmax(10rem, 0.65fr) minmax(14rem, 1fr); gap: var(--space-6); align-items: baseline; }
.gateway-features .card > * { margin: 0; }
.gateway-features .card h3 { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: var(--weight-medium); }
.gateway-features .card > p:last-child { color: var(--color-text-muted); font-size: var(--text-sm); }

.security-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(3rem, 10vw, 9rem);
  align-items: center;
  padding: clamp(5rem, 12vw, 10rem) max(1rem, calc((100vw - 76rem) / 2));
  background: var(--color-surface-inset);
  border-block: var(--border-thin) solid var(--color-border-default);
}

.security-seal { display: grid; place-items: center; aspect-ratio: 1; border: var(--border-thin) solid var(--color-action-primary); border-radius: var(--radius-circle); box-shadow: inset 0 0 0 1.5rem var(--color-surface-inset), inset 0 0 0 calc(1.5rem + 1px) var(--color-selection); }
.security-seal span { display: grid; place-items: center; width: 42%; aspect-ratio: 1; color: var(--color-action-primary); border: var(--border-thin) solid var(--color-action-primary); border-radius: var(--radius-circle); font-family: var(--font-serif); font-size: clamp(4rem, 12vw, 9rem); }
.security-copy > p { max-width: 60ch; color: var(--color-text-secondary); }
.security-list { display: grid; gap: var(--space-5); margin: var(--space-10) 0 0; padding: 0; list-style: none; }
.security-list li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); padding-top: var(--space-5); border-top: var(--border-thin) solid var(--color-border-default); }
.security-list li > span { color: var(--color-success); }
.security-list p { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); }

.system-comparison { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-6); align-items: stretch; }
.system-example { min-height: 25rem; padding: clamp(2rem, 5vw, 4rem); background: var(--color-surface); border: var(--border-thin) solid var(--color-border-default); border-radius: var(--radius-card); }
.system-example h3 { margin-top: var(--space-12); font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: var(--weight-medium); }
.system-example > p { max-width: 46ch; color: var(--color-text-muted); }
.system-example--app { align-self: end; min-height: 20rem; background: var(--color-surface-inset); }
.system-lines { display: grid; gap: var(--space-5); margin-top: var(--space-10); }
.system-lines span { display: block; height: var(--space-2); background: var(--color-border-default); border-radius: var(--radius-round); }
.system-lines span:nth-child(1) { width: 90%; }
.system-lines span:nth-child(2) { width: 68%; }
.system-lines span:nth-child(3) { width: 45%; background: var(--color-action-primary); }
.system-mini-row { display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-4); align-items: center; margin-top: var(--space-10); padding: var(--space-5); background: var(--color-surface); border: var(--border-thin) solid var(--color-border-default); border-radius: var(--radius-notice); font-size: var(--text-sm); }

.development-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.development-card {
  min-height: 18rem;
  padding: var(--space-10);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-border-default);
  border-radius: var(--radius-card);
}
.development-card h3 { margin-top: var(--space-12); font-family: var(--font-serif); font-size: var(--text-2xl); font-weight: var(--weight-medium); }
.development-card p { margin-bottom: 0; color: var(--color-text-muted); }
.development-notice { max-width: 58rem; margin: var(--space-10) auto 0; }

.closing-section { display: grid; justify-items: center; padding: clamp(6rem, 14vw, 12rem) 1rem; text-align: center; }
.closing-section .sigil { margin-bottom: var(--space-10); }
.closing-section h2 { max-width: none; }
.closing-section > p:not(.eyebrow) { color: var(--color-text-muted); }

.marketing-footer { display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-8); align-items: center; width: min(100% - 2rem, 76rem); min-height: 8rem; margin-inline: auto; border-top: var(--border-thin) solid var(--color-border-default); }
.marketing-footer p { margin: 0; color: var(--color-text-muted); font-size: var(--text-sm); text-align: center; }
.marketing-footer nav { display: flex; gap: var(--space-6); }

@media (max-width: 59.99rem) {
  .marketing-links { order: 3; flex-basis: 100%; justify-content: flex-start; overflow-x: auto; }
  .marketing-nav { flex-wrap: wrap; padding-block: var(--space-4); }
  .marketing-actions { margin-left: auto; }
  .marketing-hero { grid-template-columns: 1fr; }
  .gate-stage { min-height: 34rem; }
  .section-heading-marketing,
  .security-section,
  .gateway-grid { grid-template-columns: 1fr; }
  .gateway-features .card { grid-template-columns: 1fr; }
  .security-seal { width: min(100%, 30rem); margin-inline: auto; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: auto; }
  .principle-number { margin-bottom: var(--space-10); }
  .development-grid { grid-template-columns: 1fr; }
  .development-card { min-height: auto; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .marketing-footer { grid-template-columns: 1fr; justify-items: start; padding-block: var(--space-10); }
  .marketing-footer p { text-align: left; }
}

@media (max-width: 39.99rem) {
  html { scroll-padding-top: 8rem; }
  .marketing-nav { width: min(100% - 1rem, 76rem); }
  .theme-button__label { display: none; }
  .marketing-links { gap: var(--space-6); }
  .marketing-hero,
  .marketing-section,
  .assurance-grid { width: min(100% - 1rem, 76rem); }
  .marketing-hero h1 { font-size: clamp(2.8rem, 12.2vw, 3.75rem); }
  .hero__actions { align-items: stretch; }
  .hero__actions .button { flex: 1 1 100%; }
  .hero-assurances { display: grid; }
  .gate-stage { min-height: 31rem; }
  .wallet-preview { transform: none; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); }
  .assurance-grid div { padding: var(--space-7); border-bottom: var(--border-thin) solid var(--color-border-default); }
  .assurance-grid div:nth-child(2) { border-right: 0; }
  .assurance-grid div:nth-last-child(-n + 2) { border-bottom: 0; }
  .flow-grid,
  .system-comparison { grid-template-columns: 1fr; }
  .flow-grid li { padding-inline: 0; }
  .security-section { padding-inline: var(--space-4); }
  .system-example { min-height: auto; }
  .arch-diagram { font-size: 0.65rem; }
  .marketing-footer nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media print {
  .marketing-header,
  .theme-button,
  .hero__actions { display: none !important; }
  .marketing-hero { min-height: auto; }
  .marketing-section,
  .security-section { padding-block: 1cm; break-inside: avoid; }
}