/* ===== HOME PAGE STYLES ===== */
/* Extends the existing design tokens. Intentionally thin —
   the home page is content, not an app, so it needs far less CSS. */

:root {
  --paper: #FAFAF8; --ink: #1D1D1F; --ink-soft: #6E6E73;
  --pine: #2C5F4F; --pine-soft: #E4ECE8;
  --amber: #C4622D; --amber-soft: #F5E4D9;
  --line: #E8E6DE; --line-strong: #D8D5CB; --white: #FFFFFF;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-md: 14px; --radius-lg: 20px;
  --shadow-soft: 0 1px 2px rgba(29,29,31,0.04), 0 8px 24px rgba(29,29,31,0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
h1,h2,h3 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
a { text-decoration: none; }

/* ===== TOPBAR ===== */
.topbar { height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--line); background: var(--white); position: sticky; top: 0; z-index: 30; }
.topbar__brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.topbar__mark { color: var(--pine); width: 26px; height: 26px; flex-shrink: 0; }
.topbar__name { font-family: var(--font-display); font-size: 19px; font-weight: 600; }
.topbar__actions { display: flex; align-items: center; gap: 6px; }
.btn { font-size: 14px; font-weight: 600; border-radius: 100px; border: none; cursor: pointer; white-space: nowrap; display: inline-flex; align-items: center; padding: 9px 16px; transition: background 0.15s, opacity 0.15s; }
.btn--primary { background: var(--ink); color: var(--white); }
.btn--primary:hover { opacity: 0.88; }
.btn--ghost { background: none; color: var(--ink-soft); }
.btn--ghost:hover { background: var(--paper); color: var(--ink); }
.btn:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; }

/* ===== HERO ===== */
.hero {
  max-width: 660px;
  margin: 0 auto;
  padding: 72px 24px 56px;
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--pine);
  text-transform: uppercase; letter-spacing: 0.07em;
  margin-bottom: 22px;
}
.hero__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); flex-shrink: 0; }
.hero h1 {
  font-size: 52px; line-height: 1.08; letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--pine); }
.hero__sub {
  font-size: 17px; line-height: 1.65; color: var(--ink-soft);
  max-width: 500px; margin: 0 auto 36px;
}
.hero__actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.btn--hero { padding: 13px 26px; font-size: 15px; }
.btn--hero-outline {
  background: var(--white); color: var(--ink);
  border: 1.5px solid var(--line-strong);
  padding: 12px 26px; font-size: 15px;
}
.btn--hero-outline:hover { border-color: var(--pine); background: var(--pine-soft); color: var(--pine); }

/* ===== TOOL GRID ===== */
.tools-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 100px;
}
.tools-section__header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.tools-section__label {
  font-size: 12px; font-weight: 600; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.see-all {
  font-size: 13.5px; font-weight: 600; color: var(--pine);
  display: inline-flex; align-items: center; gap: 4px;
}
.see-all:hover { text-decoration: underline; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.tool-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.tool-card:hover {
  border-color: var(--pine);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}
.tool-card:active { transform: translateY(0); }
.tool-card:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; }

/* Featured card spans full width on its row */
.tool-card--featured {
  grid-column: span 2;
  background: var(--pine-soft);
  border-color: var(--pine);
  padding: 24px 22px;
}
.tool-card--featured:hover { box-shadow: 0 2px 8px rgba(44,95,79,0.15); }

.tool-card__tag {
  display: block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--pine);
  margin-bottom: 8px;
}
.tool-card__tag--dna { color: #4a5fa3; }
.tool-card__tag--traits { color: var(--amber); }

.tool-card h3 {
  font-size: 15.5px; font-weight: 600;
  margin-bottom: 6px; line-height: 1.25;
}
.tool-card--featured h3 { font-size: 18px; }

.tool-card p {
  font-size: 13px; color: var(--ink-soft); line-height: 1.55;
}
.tool-card--featured p { font-size: 14px; }

/* ===== FOOTER ===== */
.home-footer {
  border-top: 1px solid var(--line); background: var(--white);
  padding: 18px 24px; font-size: 12px; color: var(--ink-soft);
  text-align: center; line-height: 1.6;
}
.home-footer strong { color: var(--ink); }
.home-footer a { color: var(--pine); }

/* ===== RESPONSIVE ===== */
@media (max-width: 760px) {
  .hero h1 { font-size: 36px; }
  .hero__sub { font-size: 15px; }
  .tool-grid { grid-template-columns: 1fr 1fr; }
  .tool-card--featured { grid-column: span 2; }
}
@media (max-width: 520px) {
  .topbar { padding: 0 14px; }
  .topbar__name { display: none; }
  .topbar__actions .btn--ghost { padding: 8px 10px; font-size: 12.5px; }
  .hero { padding: 48px 20px 40px; }
  .hero h1 { font-size: 28px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card--featured { grid-column: span 1; }
  .tools-section { padding: 0 16px 80px; }
}
@supports (padding: max(0px)) {
  .topbar { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
  .home-footer { padding-bottom: max(9px, env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }