:root {
  --paper: #FFFCF6;
  --background: #F7F1E6;
  --sand: #E9E0D1;
  --ink: #2B2420;
  --ink-secondary: #5A4E46;
  --hairline: #E0D4C1;
  --accent: #A63D2A;
  --accent-dark: #7E2C1D;
  --handwriting: #3B4A7A;
  --ribbon: #F2C14E;
  --serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #2A2420;
    --background: #1E1A17;
    --sand: #332C27;
    --ink: #F3EAD9;
    --ink-secondary: #C9BBA8;
    --hairline: #3F3630;
    --accent: #E07A5F;
    --accent-dark: #F09A82;
    --handwriting: #A9B7E0;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */

.site-header {
  padding: 20px 0;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font: 600 18px var(--serif);
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

.site-nav a { color: var(--ink-secondary); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }

/* Home */

.hero {
  padding: 40px 0 56px;
  text-align: center;
}

.hero .icon {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  box-shadow: 0 14px 30px rgba(43, 36, 32, 0.2);
}

.hero h1 {
  margin: 28px 0 8px;
  font: 600 clamp(34px, 7vw, 52px)/1.1 var(--serif);
  letter-spacing: -0.01em;
}

.hero .subtitle {
  margin: 0 auto;
  max-width: 520px;
  font-size: 20px;
  color: var(--ink-secondary);
}

.hero .status {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #FFFCF6;
  font-weight: 600;
}

.screens {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 0 0 64px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.screens img {
  width: 220px;
  height: auto;
  flex-shrink: 0;
  border-radius: 28px;
  box-shadow: 0 10px 24px rgba(43, 36, 32, 0.18);
  scroll-snap-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding-bottom: 64px;
}

.feature {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 22px;
}

.feature h2 {
  margin: 0 0 6px;
  font: 600 19px/1.3 var(--serif);
}

.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-secondary);
}

.duo {
  display: grid;
  gap: 20px;
  align-items: center;
  margin-bottom: 64px;
}

.duo img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 10px 24px rgba(43, 36, 32, 0.18);
}

.duo h2 {
  margin: 0 0 6px;
  font: 600 24px/1.25 var(--serif);
}

.duo p {
  margin: 0;
  color: var(--ink-secondary);
}

.quote {
  margin: 0 0 64px;
  padding: 28px;
  background: var(--sand);
  border-radius: 16px;
  font: italic 20px/1.5 var(--serif);
  text-align: center;
}

/* Text pages */

.page {
  padding: 24px 0 64px;
}

.page h1 {
  margin: 16px 0 4px;
  font: 600 clamp(30px, 6vw, 40px)/1.15 var(--serif);
}

.page .updated {
  margin: 0 0 32px;
  color: var(--ink-secondary);
  font-size: 15px;
}

.page h2 {
  margin: 40px 0 8px;
  font: 600 22px/1.3 var(--serif);
}

.page h3 {
  margin: 28px 0 4px;
  font: 600 18px/1.35 var(--serif);
}

.page ul { padding-left: 22px; }
.page li { margin: 6px 0; }

.summary {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 18px 22px;
}

.summary p { margin: 0; }

.todo {
  background: var(--ribbon);
  color: #2B2420;
  padding: 0 4px;
  border-radius: 3px;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 28px 0 40px;
  font-size: 14px;
  color: var(--ink-secondary);
}

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

.site-footer nav { display: flex; gap: 16px; }
.site-footer a { color: var(--ink-secondary); }

@media (max-width: 520px) {
  .site-nav { gap: 12px; font-size: 14px; }
  .brand span { display: none; }
  .screens { justify-content: flex-start; }
}