:root {
  --ink: #081312;
  --ink-raised: #10201e;
  --ink-soft: #18302c;
  --paper: #f1eee5;
  --paper-muted: #c7c3b7;
  --line: rgba(241, 238, 229, 0.16);
  --line-strong: rgba(241, 238, 229, 0.3);
  --signal: #ff5a36;
  --signal-dark: #9f311e;
  --safe: #82d2aa;
  --warning: #e9b873;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "MiSans", "HarmonyOS Sans SC", "Microsoft YaHei UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  background:
    linear-gradient(rgba(241, 238, 229, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241, 238, 229, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 72% 18%, rgba(77, 141, 126, 0.2), transparent 34%),
    var(--ink);
  background-size: 56px 56px, 56px 56px, auto, auto;
}

button,
a {
  touch-action: manipulation;
}

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--warning);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-160%);
  transition: transform 180ms ease-out;
}

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

.page-shell {
  width: min(100%, 1600px);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 72px);
}

.site-header {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--paper);
}

.brand-mark svg {
  width: 28px;
  fill: currentColor;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  letter-spacing: 0.08em;
}

.brand small {
  margin-top: 4px;
  color: var(--paper-muted);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.header-state {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border: 1px solid var(--line);
  color: var(--paper-muted);
  font-size: 13px;
}

.state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--safe);
  box-shadow: 0 0 0 5px rgba(130, 210, 170, 0.09);
}

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(420px, 0.75fr);
  align-items: center;
  gap: clamp(48px, 7vw, 120px);
  padding: 88px 0 96px;
}

.hero-copy {
  max-width: 850px;
  animation: reveal 560ms ease-out both;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  color: var(--warning);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--signal);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 880px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 5.6vw, 88px);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.055em;
}

.hero-intro {
  max-width: 650px;
  margin: 36px 0 0;
  color: var(--paper-muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.primary-action,
.secondary-action {
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out;
}

.primary-action {
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--ink);
  background: var(--signal);
}

.primary-action svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.primary-action:disabled {
  color: rgba(241, 238, 229, 0.58);
  background: rgba(241, 238, 229, 0.08);
  border-color: var(--line);
  cursor: not-allowed;
}

.secondary-action {
  color: var(--paper);
  background: transparent;
  border-color: var(--line-strong);
}

.secondary-action:hover:not(:disabled) {
  color: var(--ink);
  background: var(--paper);
}

.secondary-action:disabled {
  cursor: wait;
  opacity: 0.64;
}

.entry-note {
  margin: 16px 0 0;
  color: #a7a499;
  font-size: 13px;
  line-height: 1.6;
}

.access-panel {
  position: relative;
  min-height: 510px;
  padding: 24px;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
  animation: reveal 560ms 120ms ease-out both;
}

.access-panel::after {
  position: absolute;
  right: -40px;
  bottom: -56px;
  width: 180px;
  height: 180px;
  border: 28px solid rgba(8, 19, 18, 0.055);
  border-radius: 50%;
  content: "";
}

.panel-ruler,
.panel-heading,
.access-steps,
.live-status {
  position: relative;
  z-index: 1;
}

.panel-ruler {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(8, 19, 18, 0.15);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.13em;
}

.panel-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

.shield-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--ink);
}

.shield-icon svg {
  width: 28px;
  fill: none;
  stroke: var(--paper);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.panel-heading p,
.panel-heading h2 {
  margin: 0;
}

.panel-heading p {
  color: #595b54;
  font-size: 12px;
}

.panel-heading h2 {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 24px;
}

.access-steps {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.access-steps li {
  min-height: 74px;
  display: grid;
  grid-template-columns: 30px 1fr auto;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(8, 19, 18, 0.13);
}

.step-index {
  color: #7c7b73;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.access-steps strong,
.access-steps small {
  display: block;
}

.access-steps strong {
  font-size: 14px;
}

.access-steps small {
  margin-top: 5px;
  color: #686860;
  font-size: 12px;
}

.step-state {
  color: var(--signal-dark);
  font-size: 11px;
  font-weight: 700;
}

.is-ready .step-state {
  color: #286b4c;
}

.live-status {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(8, 19, 18, 0.16);
  background: rgba(8, 19, 18, 0.035);
}

.live-status-icon {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border: 2px solid #7b7b72;
  border-radius: 50%;
}

.live-status strong,
.live-status small {
  display: block;
}

.live-status strong {
  font-size: 13px;
}

.live-status small {
  margin-top: 4px;
  color: #686860;
  font-size: 11px;
  line-height: 1.5;
}

.live-status.is-checking .live-status-icon {
  border-top-color: var(--signal);
  animation: spin 720ms linear infinite;
}

.live-status.is-healthy .live-status-icon {
  border-color: #286b4c;
  background: var(--safe);
}

.live-status.is-error .live-status-icon {
  border-color: var(--signal-dark);
  background: var(--signal);
}

.capabilities {
  padding: 96px 0 108px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: end;
  gap: 32px;
}

.section-heading h2 {
  max-width: 780px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.section-heading > p {
  margin: 0 0 4px;
  color: var(--paper-muted);
  font-size: 14px;
  line-height: 1.8;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 56px;
  background: var(--line);
  border: 1px solid var(--line);
}

.capability-grid article {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--ink);
  transition: background 180ms ease-out;
}

.capability-grid article:hover {
  background: var(--ink-raised);
}

.capability-number {
  color: #777e79;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.capability-grid svg {
  width: 34px;
  height: 34px;
  margin-top: 42px;
  fill: none;
  stroke: var(--warning);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.capability-grid h3 {
  margin: 24px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
}

.capability-grid p {
  margin: 14px 0 28px;
  color: var(--paper-muted);
  font-size: 14px;
  line-height: 1.75;
}

.capability-state {
  margin-top: auto;
  color: #a7a49c;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.capability-state::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--signal);
  content: "";
}

.capability-state.is-foundation::before {
  background: var(--safe);
}

footer {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: #8e928d;
  font-size: 12px;
}

footer p:last-child {
  display: flex;
  gap: 24px;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.06em;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .access-panel {
    width: min(100%, 680px);
  }

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

@media (max-width: 680px) {
  .page-shell {
    padding: 0 18px;
  }

  .site-header {
    min-height: 92px;
  }

  .header-state {
    width: 44px;
    padding: 0;
    gap: 0;
    justify-content: center;
    overflow: hidden;
    color: transparent;
    font-size: 0;
  }

  .header-state .state-dot {
    flex: 0 0 auto;
  }

  .hero {
    min-height: 0;
    gap: 56px;
    padding: 64px 0 72px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 60px);
    letter-spacing: -0.045em;
  }

  .hero-intro {
    font-size: 16px;
  }

  .hero-actions,
  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .access-panel {
    min-height: 0;
    padding: 20px;
  }

  .access-steps li {
    grid-template-columns: 26px 1fr;
    padding: 14px 0;
  }

  .step-state {
    grid-column: 2;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .capabilities {
    padding: 72px 0 80px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }

  .capability-grid article {
    min-height: 280px;
  }

  footer,
  footer p:last-child {
    align-items: flex-start;
    flex-direction: column;
  }

  footer {
    padding: 28px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}