@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --bg: #f3eee4;
  --bg-accent: #dfe9e8;
  --panel: rgba(255, 252, 246, 0.95);
  --panel-strong: #ffffff;
  --ink: #12202b;
  --muted: #3f4e5b;
  --teal: #0f766e;
  --teal-deep: #115e59;
  --amber: #b45309;
  --rose: #9f1239;
  --line: rgba(18, 32, 43, 0.12);
  --shadow: 0 24px 60px rgba(18, 32, 43, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  background:
    radial-gradient(1000px 560px at 100% -10%, rgba(15, 118, 110, 0.15), transparent 58%),
    radial-gradient(900px 520px at -8% 0%, rgba(180, 83, 9, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-accent));
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100%;
  z-index: 20;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 14px;
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 1rem auto 2rem;
}

.masthead,
.hero,
.summary-card,
.section-shell,
.lane-card,
.decision-card,
.code-card,
.cta-band {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(14px);
}

.brand-mark,
.mastnav a,
.button-primary,
.button-secondary,
.copy-button {
  min-height: 44px;
}

.brand-mark,
.mastnav a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
}

.mastnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
}

.mastnav a {
  font-weight: 600;
}

main {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 1rem;
  padding: 1.35rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 241, 0.94)),
    linear-gradient(180deg, var(--panel), var(--panel-strong));
}

.eyebrow,
.section-kicker,
.state-kicker {
  margin: 0;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3,
summary {
  line-height: 1.08;
}

h1,
.hero-state h2,
.section-head h2,
.cta-band h2 {
  font-family: var(--serif);
}

h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  max-width: 11ch;
  color: var(--ink);
  font-weight: 700;
}

.hero-state h2,
.section-head h2,
.summary-card h2,
.lane-card h3,
.decision-card h3,
.code-card h3,
.cta-band h2 {
  color: var(--ink);
}

.lede,
.section-copy,
.state-list,
.code-note,
.faq-stack p {
  color: var(--muted);
}

.lede {
  margin: 1rem 0 0;
  max-width: 58ch;
  font-size: 1.04rem;
}

.hero-actions,
.cta-actions,
.code-grid,
.summary-band,
.decision-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-actions {
  margin-top: 1.15rem;
}

.button-primary,
.button-secondary,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  color: #fff;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
}

.button-secondary,
.copy-button {
  color: var(--ink);
  border: 1px solid rgba(18, 32, 43, 0.12);
  background: rgba(255, 255, 255, 0.88);
}

.hero-state {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.1), transparent 40%),
    rgba(255, 255, 255, 0.78);
}

.hero-state h2 {
  margin: 0.25rem 0 0;
  font-size: 1.55rem;
}

.state-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink);
}

.state-list li + li {
  margin-top: 0.55rem;
}

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

.summary-card,
.section-shell,
.lane-card,
.decision-card,
.code-card,
.cta-band {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(253, 248, 240, 0.94));
}

.summary-card h2,
.section-shell h2 {
  margin: 0;
}

.summary-card p,
.section-copy,
.sequence-step p,
.lane-card ul,
.policy-table,
.code-note,
.faq-stack details,
.cta-band {
  margin-top: 0.7rem;
}

.section-head h2 {
  margin-top: 0.2rem;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.sequence-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.sequence-step {
  position: relative;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(18, 32, 43, 0.1);
}

.sequence-step:not(:last-child)::after {
  content: "->";
  position: absolute;
  top: 1rem;
  right: -0.72rem;
  color: var(--amber);
  font-size: 1rem;
  font-weight: 700;
}

.sequence-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--teal-deep);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.sequence-step h3 {
  margin: 0.85rem 0 0;
  font-size: 1.02rem;
}

.lane-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.lane-card h3,
.decision-card h3,
.code-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.lane-card ul {
  padding-left: 1rem;
}

.lane-card li + li {
  margin-top: 0.45rem;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

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

.decision-allow {
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.12), rgba(255, 255, 255, 0.95)),
    rgba(255, 255, 255, 0.9);
}

.decision-review {
  background:
    linear-gradient(180deg, rgba(180, 83, 9, 0.12), rgba(255, 255, 255, 0.95)),
    rgba(255, 255, 255, 0.9);
}

.decision-deny {
  background:
    linear-gradient(180deg, rgba(159, 18, 57, 0.12), rgba(255, 255, 255, 0.95)),
    rgba(255, 255, 255, 0.9);
}

.policy-table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
}

.policy-table caption {
  margin-bottom: 0.75rem;
  text-align: left;
  font-weight: 700;
}

.policy-table th,
.policy-table td {
  padding: 0.9rem;
  border-bottom: 1px solid rgba(18, 32, 43, 0.12);
  vertical-align: top;
}

.policy-table th {
  text-align: left;
}

.code-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 1rem;
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.code-block {
  margin: 0.9rem 0 0;
  padding: 1rem;
  border-radius: var(--radius-md);
  overflow: auto;
  background: #101827;
  color: #e2e8f0;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.faq-stack {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.faq-stack details {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(18, 32, 43, 0.1);
}

.faq-stack summary {
  font-weight: 700;
  cursor: pointer;
}

.faq-stack p {
  margin-bottom: 0;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.button-primary:focus-visible,
.button-secondary:focus-visible,
.copy-button:focus-visible,
.mastnav a:focus-visible,
.brand-mark:focus-visible,
.skip-link:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.4);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero,
  .summary-card,
  .section-shell,
  .cta-band {
    animation: rise-in 0.6s ease both;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

@keyframes rise-in {
  from {
    transform: translateY(12px);
  }
  to {
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero,
  .summary-band,
  .decision-grid,
  .code-grid,
  .lane-grid,
  .sequence-track {
    grid-template-columns: 1fr;
  }

  .sequence-step:not(:last-child)::after {
    content: "|";
    top: auto;
    right: auto;
    bottom: -0.9rem;
    left: 1rem;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 20px, 1180px);
  }

  .masthead,
  .hero,
  .summary-card,
  .section-shell,
  .cta-band {
    padding: 0.95rem;
  }

  .masthead,
  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }

  .code-head {
    align-items: flex-start;
    flex-direction: column;
  }
}