:root {
  --ink: #2b2a27;
  --muted: #77736b;
  --paper: #faf8f3;
  --card: #ffffff;
  --line: #e6e1d6;
  --accent: #5c7a4f;
  --accent-ink: #ffffff;
  --accent-soft: #eef2ea;
  --danger: #a4452c;
  --danger-soft: #fbeee9;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9e5dc;
    --muted: #a19c91;
    --paper: #1c1b18;
    --card: #24231f;
    --line: #3a3832;
    --accent: #8fb07f;
    --accent-ink: #1c1b18;
    --accent-soft: #2a3226;
    --danger: #e38b72;
    --danger-soft: #3a2621;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); }
a { color: var(--accent); }
img, svg { display: block; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 680px; }

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 600 18px/1 var(--serif); letter-spacing: 0.2px; }
.brand img { width: 28px; height: 28px; }
.nav { display: flex; align-items: center; gap: 18px; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav a.button { color: var(--accent-ink); }

.button { display: inline-block; border: 0; border-radius: 8px; padding: 10px 18px; background: var(--accent); color: var(--accent-ink); font: 600 15px/1.2 var(--sans); text-decoration: none; cursor: pointer; }
.button:hover { filter: brightness(1.06); }
.button:disabled { opacity: 0.6; cursor: default; }
.button.ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1px var(--line); }

.hero { padding: 72px 0 56px; }
.hero h1 { font: 600 44px/1.15 var(--serif); margin: 0; max-width: 620px; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 18px 0 28px; }
.hero .actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.badge { display: inline-block; font-size: 13px; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 4px 10px; margin-bottom: 18px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 8px 0 56px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.feature h3 { font: 600 19px/1.3 var(--serif); margin: 0 0 8px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.section { border-top: 1px solid var(--line); padding: 48px 0; }
.section h2 { font: 600 26px/1.25 var(--serif); margin: 0 0 12px; }
.section p { max-width: 640px; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 32px; }
.site-footer nav { display: flex; gap: 16px; }
.site-footer a { color: var(--muted); }

/* Text pages: journal, privacy, 404 */
.page { padding-top: 48px; padding-bottom: 56px; }
.page h1 { font: 600 34px/1.2 var(--serif); margin: 0 0 6px; }
.page .sub { color: var(--muted); margin: 0 0 36px; }
.page h2 { font: 600 21px/1.3 var(--serif); margin: 32px 0 6px; }
.post { font: 17px/1.65 var(--serif); margin-bottom: 40px; }
.post h2 { margin: 0 0 4px; }
.post time { color: var(--muted); font: 14px/1.4 var(--sans); }
.post p { margin: 10px 0 0; }
.tag { font: 12px/1 var(--sans); color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 3px 8px; margin-left: 8px; vertical-align: 2px; }

/* Sign-in */
.auth { min-height: calc(100vh - 140px); display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 32px 28px; }
.auth-card h1 { font: 600 24px/1.25 var(--serif); margin: 0 0 6px; }
.auth-card .sub { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field input { width: 100%; font: 16px/1.4 var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin: 4px 0 20px; }
.check input { accent-color: var(--accent); }
.auth-card .button { width: 100%; padding: 12px; }
.error { display: none; background: var(--danger-soft); color: var(--danger); border-radius: 8px; padding: 10px 12px; font-size: 14px; margin-bottom: 16px; }
.error.show { display: block; }
.auth-note { color: var(--muted); font-size: 14px; margin: 20px 0 0; text-align: center; }

@media (max-width: 760px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 34px; }
  .features { grid-template-columns: 1fr; }
  .nav { gap: 14px; }
  .nav .hide-sm { display: none; }
}