/* caseleaf.app — one stylesheet, no framework.
   Palette taken from the application: the shipped markup swatches
   (Sources/Mac/Style/Palette.swift, slotsAsShipped) and the app icon
   (Resources/Artwork/icon-macos-1024.png). Light and dark via
   prefers-color-scheme; system font stack. */

:root {
  --bg: #faf9f6;
  --bg-panel: #f0f3ee;
  --card-bg: #ffffff;
  --ink: #1b241c;
  --ink-soft: #4b564c;
  --border: #dde3da;
  --accent: #2e6b3c;
  --accent-ink: #ffffff;
  --link: #0b6fb8;
  --code-bg: #f0f3ee;
  --highlight: #fffb00;
  --shadow: 0 1px 2px rgba(20, 30, 20, 0.06), 0 8px 24px rgba(20, 30, 20, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12160f;
    --bg-panel: #1a2118;
    --card-bg: #171e15;
    --ink: #eaf0e7;
    --ink-soft: #aeb8ab;
    --border: #2b342a;
    --accent: #5fbe73;
    --accent-ink: #0b1a0e;
    --link: #74c2ff;
    --code-bg: #1a2118;
    --highlight: #6b6300;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.55;
}

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

a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */

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

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

nav.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

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

@media (max-width: 480px) {
  header.site .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  nav.site-nav {
    gap: 12px 16px;
  }
}

/* Main content */

main {
  padding: 40px 0 60px;
}

main.narrow .wrap {
  max-width: 640px;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.35rem;
  margin: 2.2em 0 0.6em;
}

h3 {
  font-size: 1.1rem;
  margin: 1.6em 0 0.5em;
}

p {
  margin: 0 0 1em;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 640px;
}

/* Buttons */

.buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  color: var(--ink);
  background: var(--card-bg);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn.disabled {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

.btn .note {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 2px;
}

/* Tier cards */

.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 28px 0 40px;
}

@media (max-width: 760px) {
  .tiers {
    grid-template-columns: 1fr;
  }
}

.tier {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.tier h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.tier .price {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 4px 0 2px;
}

.tier .price small {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-soft);
}

.tier .academic {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.tier .who {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.tier ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 0.92rem;
  flex: 1;
}

.tier li {
  margin: 0 0 0.5em;
}

.tier.legal {
  border-color: var(--accent);
}

/* Forms */

form.eval {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  padding: 24px;
  margin: 24px 0;
  box-shadow: var(--shadow);
}

form.eval label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

form.eval input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  margin-bottom: 16px;
}

form.eval .agree {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-weight: 400;
  font-size: 0.92rem;
  margin-bottom: 18px;
}

form.eval .agree input {
  margin-top: 3px;
}

form.eval button {
  padding: 11px 22px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

form.eval button:disabled {
  opacity: 0.6;
  cursor: default;
}

#eval-result {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  display: none;
}

#eval-result.show {
  display: block;
}

#eval-result.ok {
  background: rgba(46, 107, 60, 0.12);
  border: 1px solid var(--accent);
}

#eval-result.err {
  background: rgba(220, 60, 60, 0.12);
  border: 1px solid #dc3c3c;
}

/* Handbook */

.handbook-index ul {
  padding-left: 1.2em;
}

.handbook-index li {
  margin-bottom: 0.3em;
}

.crumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.crumb a {
  color: var(--ink-soft);
}

article.handbook-page {
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

article.handbook-page code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.92em;
}

article.handbook-page pre {
  background: var(--code-bg);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
}

article.handbook-page pre code {
  background: none;
  padding: 0;
}

article.handbook-page table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  font-size: 0.92rem;
}

article.handbook-page th,
article.handbook-page td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

article.handbook-page th {
  background: var(--bg-panel);
}

/* Footer */

footer.site {
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

footer.site nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

.privacy-block {
  margin-bottom: 1.4em;
}