:root {
  --canvas: #f7f7f4;
  --canvas-soft: #fafaf7;
  --surface-card: #ffffff;
  --surface-strong: #e6e5e0;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
  --t-thinking: #dfa88f;
  --t-grep: #9fc9a2;
  --t-read: #9fbbe0;
  --t-edit: #c0a8dd;
  --t-done: #c08532;
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--body);
  font-family: "Inter", system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.15px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 400;
  margin: 0 0 16px;
  letter-spacing: -0.72px;
}

h1 { font-size: 56px; line-height: 1.1; letter-spacing: -2.16px; }
h2 { font-size: 36px; line-height: 1.2; }
h3 { font-size: 26px; line-height: 1.25; letter-spacing: -0.325px; }
h4 { font-size: 18px; font-weight: 600; letter-spacing: 0; }

p { margin: 0 0 16px; }

.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.lead { font-size: 18px; color: var(--body); max-width: 640px; }

.badge {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: 9999px;
  padding: 4px 10px;
}

.site-header {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 9999px;
  background: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}
.nav-links a:hover { color: var(--primary); text-decoration: none; }

.nav-toggle {
  display: none;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  padding: 10px 18px;
  height: 40px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s ease;
}
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-active); text-decoration: none; }
.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  border-color: var(--hairline-strong);
}
.btn-secondary:hover { text-decoration: none; border-color: var(--ink); }
.btn-ink { background: var(--ink); color: var(--canvas); height: 44px; padding: 12px 20px; }
.btn-ink:hover { text-decoration: none; opacity: .9; }

.hero {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 80px 0;
}
.hero-actions { display: flex; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.hero-media {
  border-radius: 12px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--surface-card);
}
.hero-media img { width: 100%; height: 420px; object-fit: cover; }
.figure-caption {
  font-size: 13px;
  color: var(--muted);
  padding: 12px 16px;
  border-top: 1px solid var(--hairline);
}

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
}
.card h3 { font-size: 22px; letter-spacing: -0.11px; }
.card h4 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }

.article-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.article-card img { width: 100%; height: 200px; object-fit: cover; }
.article-card .card-body { padding: 24px; }
.article-card .card-body p { color: var(--body); }
.read-link { color: var(--primary); font-weight: 500; font-size: 14px; }

.feature-list { list-style: none; margin: 16px 0 0; padding: 0; }
.feature-list li {
  padding: 12px 0;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  gap: 12px;
}
.feature-list li:first-child { border-top: 0; }
.feature-list .key {
  font-weight: 600;
  color: var(--ink);
  min-width: 130px;
  flex-shrink: 0;
}

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
.pill {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--ink);
  border-radius: 9999px;
  padding: 4px 10px;
}
.pill-thinking { background: var(--t-thinking); }
.pill-grep { background: var(--t-grep); }
.pill-read { background: var(--t-read); }
.pill-edit { background: var(--t-edit); }
.pill-done { background: var(--t-done); color: var(--on-primary); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split img { border-radius: 12px; border: 1px solid var(--hairline); width: 100%; height: 360px; object-fit: cover; }

.article-hero { padding: 56px 0 32px; border-bottom: 1px solid var(--hairline); }
.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.article-body { padding: 48px 0 80px; }
.article-body .content { max-width: 760px; }
.article-body h2 { font-size: 28px; margin-top: 40px; }
.article-body h3 { font-size: 20px; margin-top: 28px; letter-spacing: 0; }
.article-body ul, .article-body ol { color: var(--body); padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-figure { margin: 32px 0; }
.article-figure img { width: 100%; height: 360px; object-fit: cover; border-radius: 12px; border: 1px solid var(--hairline); }
.article-figure figcaption { font-size: 13px; color: var(--muted); margin-top: 12px; }

.callout {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
}
.callout p:last-child { margin-bottom: 0; }

.divider { height: 1px; background: var(--hairline); border: 0; margin: 0; }

.form-band { background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.contact-form { max-width: 560px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--ink); outline-offset: 0; border-color: var(--ink); }
.form-status {
  display: none;
  margin-top: 8px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  color: var(--success);
}
.form-status.show { display: block; }

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 48px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.88px; color: var(--muted); font-weight: 600; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--body); }
.footer-col a:hover { color: var(--ink); }
.footer-about p { font-size: 14px; color: var(--body); max-width: 320px; }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--hairline); font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

.page-hero { padding: 56px 0 0; }
.page-body { padding: 32px 0 80px; }
.page-body .content { max-width: 760px; }
.page-body h2 { font-size: 26px; margin-top: 36px; }
.page-body p, .page-body li { color: var(--body); }
.page-body ul { padding-left: 22px; }

.cookie-banner {
  position: fixed;
  left: 24px;
  right: 24px;
  bottom: 24px;
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  padding: 20px 24px;
  z-index: 100;
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner p { font-size: 14px; color: var(--body); }
.cookie-actions { display: flex; gap: 12px; margin-top: 16px; }

@media (max-width: 1024px) {
  h1 { font-size: 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-media img { height: 320px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 32px; letter-spacing: -1px; }
  h2 { font-size: 28px; }
  .section { padding: 56px 0; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .feature-list li { flex-direction: column; gap: 4px; }
}