/* Colors are copied from src/ui/tokens.js (light "notebook" + dark). Keep in sync. */

@font-face {
  font-family: 'Roboto Slab';
  src: url('/fonts/RobotoSlab-Bold-Latin.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/Inter-Latin.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  --bg: #f7f2e9;
  --surface: #fdfaf3;
  --surface-raised: #efe7d7;
  --ink: #1c150d;
  --ink-secondary: #3d3121;
  --ink-muted: #6b5c46;
  --accent: #8f5f2c;
  --accent-text: #74491f;
  --accent-weak: #f6ede0;
  --on-accent: #fdfaf3;
  --border: #e6dbc6;
  --border-strong: #d3c3a6;
  --rule: #ece0cc;
  --shadow: 42 26 13;

  --font-display: 'Roboto Slab', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;

  --radius-md: 14px;
  --radius-lg: 20px;
  --gutter: 20px;
  --measure: 68ch;
  --page: 64rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1810;
    --surface: #292116;
    --surface-raised: #31281b;
    --ink: #f4ecdd;
    --ink-secondary: #d8ccb6;
    --ink-muted: #a2947a;
    --accent: #c69c68;
    --accent-text: #dcc09a;
    --accent-weak: #2c2114;
    --on-accent: #171208;
    --border: #3a3022;
    --border-strong: #4a3d2b;
    --rule: #251d13;
    --shadow: 0 0 0;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink-secondary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  width: 100%;
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---- Header ---- */

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 0.9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding-block: 0.5rem;
  color: var(--ink-secondary);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--accent-text);
  text-decoration: underline;
}

.site-nav a[aria-current='page'] {
  color: var(--accent-text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

main {
  flex: 1;
}

/* ---- Landing ---- */

.hero {
  padding-block: 3.5rem 3rem;
  text-align: center;
  /* Faint ruled lines: the app's "notebook" paper. */
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 31px,
    var(--rule) 31px,
    var(--rule) 32px
  );
  border-bottom: 1px solid var(--border);
}

.hero-icon {
  display: block;
  width: 112px;
  height: 112px;
  margin: 0 auto 1.5rem;
  border-radius: 26px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 8px 28px rgb(var(--shadow) / 0.14);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 1.4rem + 3vw, 3rem);
}

.pitch {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.45rem);
  color: var(--accent-text);
}

.lede {
  max-width: 40rem;
  margin: 1.25rem auto 0;
  font-size: 1.075rem;
}

.cta {
  margin-top: 2rem;
}

.cta img {
  display: block;
  width: 160px;
  height: auto;
  margin-inline: auto;
}

.coming-soon {
  display: inline-block;
  margin: 0;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--accent-weak);
  color: var(--ink);
  font-weight: 600;
}

.features {
  padding-block: 3.5rem;
}

.features h2.section-title {
  margin: 0 0 1.5rem;
  font-size: 1.6rem;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature {
  padding: 1.4rem 1.4rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 3px rgb(var(--shadow) / 0.08),
    0 1px 2px rgb(var(--shadow) / 0.05);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.feature p {
  margin: 0;
}

.feature p + p {
  margin-top: 0.6rem;
}

/* ---- Prose pages (privacy / terms / support) ---- */

.prose {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: 2.5rem 4rem;
}

.prose h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.9rem, 1.5rem + 2vw, 2.5rem);
}

.prose h2 {
  margin: 2.25rem 0 0.6rem;
  font-size: 1.35rem;
}

.prose h3 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.1rem;
}

.prose p,
.prose ul {
  margin: 0 0 1rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose strong {
  color: var(--ink);
}

.meta {
  margin: 0 0 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--ink-muted);
}

.contact-card {
  margin: 1.5rem 0 1rem;
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.contact-card p {
  margin: 0;
}

.contact-card .email {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 1.2rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.faq dt {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.faq dd {
  margin: 0.4rem 0 0;
}

.faq dd p {
  margin: 0 0 0.6rem;
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--ink-muted);
  font-size: 0.925rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem;
}

.site-footer p {
  margin: 0;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  color: var(--ink-secondary);
}

@media (prefers-reduced-motion: no-preference) {
  a {
    transition: color 120ms cubic-bezier(0.2, 0, 0, 1);
  }
}