:root {
  --bg: #f5efe8;
  --bg-2: #fbf8f3;
  --panel: rgba(255, 252, 247, 0.92);
  --panel-solid: #fffdf9;
  --text: #1f2328;
  --muted: #5e646d;
  --line: #e4dacf;
  --line-2: #d8ccbf;
  --accent: #8f3f2b;
  --accent-2: #c7856f;
  --accent-soft: #f1e0d7;
  --bone: #f3eee8;
  --ink-dark: #171a1d;
  --success: #4f6856;
  --warn: #8c6239;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(199, 133, 111, .08), transparent 26%),
    linear-gradient(180deg, var(--bg) 0%, #f8f3ed 100%);
}

a { color: inherit; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
.wrap { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }
.narrow { max-width: 820px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(228, 218, 207, .82);
  background: rgba(245, 239, 232, .92);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-grid;
  gap: .18rem;
  text-decoration: none;
  color: var(--text);
  line-height: 1;
}
.brand-word {
  font-weight: 800;
  letter-spacing: .08em;
  font-size: 1.02rem;
}
.brand-sub {
  text-transform: uppercase;
  letter-spacing: .34em;
  font-size: .68rem;
  color: var(--accent);
}
.brand-mark {
  display: inline-grid;
  gap: .26rem;
  margin-bottom: .16rem;
}
.brand-mark span {
  display: block;
  border-radius: 999px;
  height: .28rem;
}
.brand-mark span:nth-child(1) { width: 2.7rem; background: var(--accent); }
.brand-mark span:nth-child(2) { width: 2.2rem; background: var(--accent-2); margin-left: .34rem; }
.brand-mark span:nth-child(3) { width: 1.8rem; background: var(--accent); }

.nav nav {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
}
.nav nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}
.nav nav a[aria-current="page"],
.nav nav a:hover { color: var(--text); }

.notice-bar {
  border-bottom: 1px solid rgba(228, 218, 207, .7);
  background: rgba(255, 253, 249, .78);
}
.notice-bar .wrap {
  padding: .72rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.notice-bar p {
  margin: 0;
  font-size: .94rem;
}
.notice-bar strong { color: var(--accent); }

.hero {
  padding: 4.5rem 0 2.5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 1.25rem;
  align-items: stretch;
}

.status-chip,
.inline-chip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .48rem .82rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 249, .92);
  color: var(--text);
  font-size: .86rem;
  font-weight: 700;
}
.status-chip::before {
  content: "";
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  background: var(--warn);
}

.eyebrow,
.kicker {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .76rem;
  color: var(--accent);
  margin-bottom: .8rem;
  font-weight: 800;
}

h1, h2, h3 { line-height: 1.1; color: var(--text); }
h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  margin: .9rem 0 1rem;
  max-width: 12ch;
}
h2 { font-size: 1.55rem; margin: 0 0 .7rem; }
h3 { font-size: 1.1rem; margin: 0 0 .55rem; }

.lead {
  font-size: 1.07rem;
  color: var(--muted);
  max-width: 62ch;
}
p, li { color: var(--muted); }
strong { color: var(--text); }

.actions {
  display: flex;
  gap: .85rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.button {
  display: inline-block;
  padding: .92rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  background: transparent;
  font-weight: 700;
}
.button.primary {
  background: var(--ink-dark);
  color: white;
  border-color: var(--ink-dark);
}
.button.secondary {
  background: rgba(255, 253, 249, .8);
}
.button.ghost {
  background: transparent;
}

.card, .panel, .intro-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.25rem;
  box-shadow: 0 16px 36px rgba(95, 76, 61, .04);
}
.note {
  background: linear-gradient(180deg, rgba(240, 223, 215, .54) 0%, rgba(255, 253, 249, .94) 100%);
}

.hero-visual {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  background:
    radial-gradient(circle at top right, rgba(199, 133, 111, .15), transparent 34%),
    linear-gradient(180deg, rgba(255,253,249,.96) 0%, rgba(243,238,232,.95) 100%);
}
.lock-stack {
  position: absolute;
  top: 56px;
  right: 54px;
  width: 310px;
  opacity: .35;
}
.lock-stack .bar {
  height: 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.lock-stack .bar:nth-child(1) { width: 100%; background: var(--accent); }
.lock-stack .bar:nth-child(2) { width: 84%; margin-left: 28px; background: var(--accent-2); }
.lock-stack .bar:nth-child(3) { width: 76%; background: var(--accent); }
.lock-stack .bar:nth-child(4) { width: 90%; margin-left: 18px; background: var(--accent-2); }

.hero-mock {
  position: absolute;
  inset: auto 28px 28px 28px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1rem;
}

.key-panel {
  background: rgba(255,253,249,.95);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 1.2rem;
  box-shadow: 0 24px 46px rgba(95, 76, 61, .08);
}
.key-field {
  display: grid;
  gap: .7rem;
  margin-top: 1rem;
}
.code-row,
.mock-row {
  display: flex;
  gap: .7rem;
  flex-wrap: wrap;
}
.code-pill {
  padding: .72rem .9rem;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--panel-solid);
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--text);
}
.mock-card {
  background: rgba(255,253,249,.94);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1rem;
  display: grid;
  gap: .75rem;
}
.mock-card .mini {
  font-size: .9rem;
}
.mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .65rem;
}
.mini-list li {
  padding-left: .9rem;
  position: relative;
}
.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: .36rem;
  height: .36rem;
  border-radius: 50%;
  background: var(--accent);
}

section { padding: 1.4rem 0; }
.page { padding: 3.2rem 0 4rem; }
.grid.two,
.grid.three,
.grid.four,
.flow-grid,
.catalog-grid,
.dashboard-grid,
.principles-grid,
.stack-grid {
  display: grid;
  gap: 1rem;
}
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.flow-grid { grid-template-columns: repeat(4, 1fr); }
.catalog-grid { grid-template-columns: repeat(3, 1fr); }
.dashboard-grid { grid-template-columns: repeat(4, 1fr); }
.principles-grid { grid-template-columns: repeat(3, 1fr); }
.stack-grid { grid-template-columns: 1.05fr .95fr; align-items: start; }

.flow-step {
  background: rgba(255,253,249,.76);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  display: grid;
  gap: .35rem;
}
.flow-step span {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  font-weight: 800;
}
.flow-step.active {
  background: linear-gradient(180deg, rgba(240,223,215,.56) 0%, rgba(255,253,249,.94) 100%);
}

.prototype-form {
  display: grid;
  gap: .95rem;
}
.prototype-form label {
  display: grid;
  gap: .4rem;
  color: var(--text);
  font-weight: 600;
}
.prototype-form input,
.prototype-form select,
.prototype-form textarea {
  width: 100%;
  padding: .88rem .95rem;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: rgba(255,253,249,.92);
  color: var(--text);
  font: inherit;
}
.check-stack {
  display: grid;
  gap: .8rem;
}
.check-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  align-items: start;
  padding: .95rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,253,249,.74);
}
.badge-row,
.template-chip-row,
.catalog-filter-row {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
}
.template-chip,
.filter-pill,
.badge {
  display: inline-flex;
  align-items: center;
  padding: .48rem .74rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,253,249,.78);
  color: var(--muted);
  font-size: .84rem;
  font-weight: 700;
}
.template-chip.active,
.filter-pill.active,
.badge.active {
  background: linear-gradient(180deg, rgba(240,223,215,.64) 0%, rgba(255,253,249,.95) 100%);
  color: var(--text);
}
.metric-card {
  display: grid;
  gap: .25rem;
}
.metric-card strong {
  font-size: 2rem;
  line-height: 1;
}
.dashboard-list,
.catalog-meta,
.spec-grid {
  display: grid;
  gap: .85rem;
}

.form-note {
  font-size: .92rem;
  color: var(--muted);
}
.dashboard-list div,
.catalog-meta div,
.spec-grid div {
  display: grid;
  gap: .16rem;
  padding-bottom: .78rem;
  border-bottom: 1px solid rgba(228,218,207,.6);
}
.dashboard-list div:last-child,
.catalog-meta div:last-child,
.spec-grid div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.catalog-card {
  display: grid;
  gap: .9rem;
}
.catalog-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .8rem;
}
.catalog-state {
  display: inline-flex;
  align-items: center;
  padding: .38rem .7rem;
  border-radius: 999px;
  background: rgba(143,63,43,.1);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
}
.catalog-state.muted {
  background: rgba(93,100,108,.1);
  color: var(--muted);
}
.callout {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.05rem;
  background: rgba(255,253,249,.76);
}
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 2rem 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 1rem;
}
.footer-grid div { display: grid; gap: .45rem; }
.small-note {
  font-size: .92rem;
  color: var(--muted);
  max-width: 48ch;
}

@media (max-width: 980px) {
  .hero-grid,
  .grid.two,
  .grid.three,
  .grid.four,
  .flow-grid,
  .catalog-grid,
  .dashboard-grid,
  .principles-grid,
  .stack-grid,
  .footer-grid,
  .hero-mock {
    grid-template-columns: 1fr;
  }
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-visual { min-height: 620px; }
}

@media (max-width: 640px) {
  .wrap { width: min(calc(100% - 1.25rem), var(--max)); }
  .site-header { position: static; }
  .nav nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: .55rem .9rem;
  }
  .hero { padding: 2.8rem 0 1.8rem; }
  h1 { max-width: none; }
  .actions, .button { width: 100%; }
  .button { text-align: center; }
  .hero-visual { min-height: 560px; border-radius: 22px; }
  .lock-stack { top: 28px; right: 16px; width: 220px; }
  .hero-mock { inset: auto 14px 14px 14px; }
}

.gate-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 0;
}
.gate-shell {
  width: min(calc(100% - 2rem), 640px);
  display: grid;
  gap: 1.25rem;
}
.gate-card {
  background: rgba(255, 253, 249, 0.9);
  border: 1px solid rgba(228, 218, 207, 0.88);
  border-radius: 28px;
  padding: clamp(1.8rem, 5vw, 3.2rem);
  box-shadow: 0 24px 48px rgba(95, 76, 61, .08);
}
.gate-card.minimal {
  min-height: min(72vh, 760px);
  display: grid;
  place-items: center;
}
.gate-frame {
  width: min(100%, 420px);
  display: grid;
  gap: 1.1rem;
}
.gate-frame-locked {
  margin: 0 auto;
  text-align: center;
  justify-items: center;
}
.gate-frame-locked .brand {
  justify-items: center;
}
.gate-form {
  width: 100%;
  display: grid;
  gap: .9rem;
  margin-top: .6rem;
}
.gate-input {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 1rem 1.05rem;
  background: rgba(255, 253, 249, .96);
  color: var(--text);
  font: inherit;
  letter-spacing: .04em;
  text-align: center;
}
.gate-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.gate-actions .button {
  min-width: 180px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.gate-lock-button {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  border: 1px solid rgba(228, 218, 207, 0.95);
  border-radius: 999px;
  background: rgba(31, 35, 40, 0.92);
  color: #fff;
  padding: .78rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(23, 26, 29, .16);
}
.gate-lock-button:hover {
  background: #101214;
}
@media (max-width: 640px) {
  .gate-page {
    padding: 1rem 0;
  }
  .gate-shell {
    width: min(calc(100% - 1rem), 860px);
  }
  .gate-card.minimal {
    min-height: calc(100vh - 2rem);
  }
  .gate-actions .button {
    min-width: 0;
    width: 100%;
  }
  .gate-meta {
    display: grid;
  }
}