:root {
  --paper: #fdfcf8;
  --paper-warm: #f7f4ec;
  --ink: #141e2e;
  --ink-soft: #3d4a5c;
  --ink-faint: #6b7688;
  --rule: #e3dfd4;
  --coral-500: #ff6b5b;
  --coral-700: #cc5246;
  --coral-800: #a33e35;
  --teal-600: #12a392;
  --teal-800: #0c665f;
  --radius-card: 4px;
  --font-sans: Inter, system-ui, sans-serif;
  --font-display: Fraunces, Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  z-index: 70;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(253, 252, 248, 0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-card);
  font-size: 1rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
}

.brand:hover .brand-name {
  color: var(--coral-800);
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
}

.site-header nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.5rem 0.25rem;
}

.site-header nav a:hover {
  color: var(--ink);
}

/* Screens */

.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--coral-700);
}

h1 {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 500;
  line-height: 1.05;
}

h1 em {
  font-style: italic;
  color: var(--coral-700);
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 500;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.lede {
  margin-top: 2rem;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--ink-soft);
  max-width: 42rem;
  line-height: 1.55;
}

.lede-sm {
  color: var(--ink-soft);
  margin-bottom: 2rem;
  max-width: 36rem;
}

/* Hero */

.hero {
  background: linear-gradient(to bottom, var(--paper-warm), var(--paper));
  border-bottom: 1px solid var(--rule);
}

.digest-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 28rem;
  margin-top: 2.5rem;
}

.digest-form input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(20, 30, 46, 0.25);
  background: #fff;
  color: var(--ink);
  font: inherit;
  border-radius: var(--radius-card);
}

.digest-form input::placeholder {
  color: var(--ink-faint);
}

.digest-form input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.digest-form button {
  padding: 0.75rem 1.5rem;
  background: var(--coral-700);
  color: #fff;
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-card);
  cursor: pointer;
}

.digest-form button:hover {
  background: var(--coral-800);
}

.digest-form button:disabled {
  opacity: 0.5;
  cursor: default;
}

.form-status {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.form-status.is-done {
  color: var(--teal-800);
  font-weight: 600;
}

.form-status.is-error {
  color: var(--coral-700);
}

.fine-print {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-top: 0.25rem;
}

.trust-row {
  list-style: none;
  padding: 1.5rem 0 0;
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}

.trust-row li::before {
  content: '\2713';
  color: var(--teal-600);
  margin-right: 0.4rem;
}

/* Doors */

.doors {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.door-grid {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--rule);
  background: var(--rule);
  gap: 1px;
}

.door {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
}

.door:hover,
.door:focus-visible {
  background: var(--paper-warm);
}

.door-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-bottom: 1.25rem;
}

.door h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.door p {
  color: var(--ink-soft);
  flex: 1;
  margin-bottom: 1.5rem;
}

.door-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral-700);
}

.door-cta::after {
  content: ' \2192';
}

.door-note {
  margin-top: 1.5rem;
  color: var(--ink-faint);
  font-size: 0.95rem;
}

.door-note a {
  color: var(--teal-800);
}

/* Digest band */

.digest-band {
  background: var(--paper-warm);
  border-bottom: 1px solid var(--rule);
  min-height: 80vh;
}

/* Footer */

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 3.5rem 0;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(253, 252, 248, 0.5);
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(253, 252, 248, 0.7);
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--paper);
}

.footer-legal {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(253, 252, 248, 0.15);
  color: rgba(253, 252, 248, 0.7);
  font-size: 0.8rem;
}

.footer-legal p {
  max-width: 48rem;
}

.footer-legal p+p {
  margin-top: 0.75rem;
}

@media (min-width: 640px) {
  .digest-form {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .door-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .door {
    transition: none;
  }
}