/* Sepiabox visual identity: colors and typefaces from sepiabox-platform/docs/architecture.md. */
:root {
  --sepia: #9a5a2c;
  --cyanotype: #1f4c74;
  --developer: #231a14;
  --silver-paper: #eeece7;
  --mat: #d8d1c6;
  --white: #ffffff;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--silver-paper);
  color: var(--developer);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: var(--cyanotype);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--sepia);
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--mat);
  background: var(--silver-paper);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--developer);
  text-decoration: none;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}

.nav-list a {
  color: var(--developer);
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--cyanotype);
  text-decoration: underline;
}

/* Hero */
.hero {
  padding: 72px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.lead {
  font-size: 1.25rem;
  max-width: 34ch;
  margin: 0;
}

.ask-card {
  margin: 0;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--mat);
  border-radius: 6px;
  box-shadow: 0 12px 32px rgb(35 26 20 / 0.08);
  transform: rotate(-1.5deg);
}

.ask-question {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
}

.ask-filter {
  margin: 0 0 16px;
}

.ask-filter code {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--silver-paper);
  color: var(--cyanotype);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.ask-answer {
  margin: 0 0 16px;
  font-size: 1.125rem;
}

.ask-answer strong {
  color: var(--sepia);
}

.ask-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ask-thumbs li {
  aspect-ratio: 1;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--sepia), #c08a5c);
}

.ask-thumbs li:nth-child(2) {
  background: linear-gradient(135deg, #6f4a2f, var(--mat));
}

.ask-thumbs li:nth-child(3) {
  background: linear-gradient(135deg, var(--cyanotype), #7d9bb5);
}

.ask-thumbs li:nth-child(4) {
  background: linear-gradient(135deg, #c08a5c, var(--silver-paper));
}

/* Sections */
section {
  padding: 72px 0;
}

.band {
  background: var(--white);
  border-top: 1px solid var(--mat);
  border-bottom: 1px solid var(--mat);
}

.sources,
.questions,
.steps,
.privacy-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.sources {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sources li {
  padding: 10px 16px;
  border: 1px solid var(--mat);
  border-radius: 999px;
  background: var(--silver-paper);
  font-weight: 500;
}

.sources .soon {
  border-style: dashed;
  background: transparent;
}

.sources .soon span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--sepia);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  padding-top: 16px;
  border-top: 2px solid var(--developer);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--sepia);
}

.steps p {
  margin: 0;
}

.questions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.questions li {
  padding: 20px;
  border: 1px solid var(--mat);
  border-radius: 6px;
  background: var(--silver-paper);
  font-family: var(--font-display);
  font-size: 1.125rem;
}

/* Privacy band */
.privacy {
  background: var(--developer);
  color: var(--silver-paper);
}

.privacy h2 {
  color: var(--white);
}

.privacy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 32px;
}

.privacy-list strong {
  color: #e2b48c;
}

/* Footer */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--mat);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 860px) {
  .hero {
    padding: 48px 0 56px;
  }

  .hero-inner,
  .steps,
  .questions,
  .privacy-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-inner {
    gap: 32px;
  }

  section {
    padding: 56px 0;
  }

  .ask-card {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}