/* Platform front page (/): builds on the sign-in look (glow, headline, points) from layout.css */
.home { position: relative; isolation: isolate; overflow: hidden; min-height: 100vh; background: var(--bg); }
.home__glow { position: fixed; }
.home__nav { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-3) clamp(16px, 5vw, 64px); background: color-mix(in oklab, var(--bg) 70%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid color-mix(in oklab, var(--text) 7%, transparent); }
.home__brand { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; color: var(--text); text-decoration: none; }
.home__brand .brand__mark { width: 32px; height: 32px; border-radius: 10px; }
.home__links { display: flex; align-items: center; gap: var(--space-3); }
.home__links > a:not(.btn) { color: var(--text-muted); text-decoration: none; font-size: var(--text-sm); }
.home__links > a:not(.btn):hover { color: var(--text); }
@media (max-width: 640px) { .home__links > a:not(.btn) { display: none; } }

.home__hero { display: grid; justify-items: center; text-align: center; gap: var(--space-4);
  padding: clamp(56px, 10vh, 120px) clamp(16px, 5vw, 64px) var(--space-8); }
.home__hero .login__eyebrow { justify-self: center; }
.home__title { font-size: clamp(2.4rem, 6vw, 4.2rem); max-width: 16ch; }
.home__lede { max-width: 52ch; font-size: clamp(1rem, 1.6vw, 1.2rem); }
.home__cta { justify-content: center; }
.btn--lg { height: 48px; padding: 0 var(--space-6); font-size: 1rem; border-radius: calc(var(--radius) + 4px); }

.home__mock { margin-top: var(--space-6); width: min(420px, 100%); display: grid; gap: var(--space-2); padding: var(--space-4);
  border-radius: 28px; background: color-mix(in oklab, var(--surface) 82%, transparent); backdrop-filter: blur(16px);
  border: 1px solid color-mix(in oklab, var(--text) 9%, transparent);
  box-shadow: 0 40px 90px -40px color-mix(in oklab, #000 55%, transparent); text-align: left; }
.home__bubble { max-width: 85%; padding: 10px 14px; border-radius: 18px; font-size: var(--text-sm); line-height: 1.45;
  animation: bubble-in 0.6s var(--ease) both; }
.home__bubble:nth-child(2) { animation-delay: 0.5s; }
.home__bubble:nth-child(3) { animation-delay: 1s; }
.home__bubble--in { justify-self: start; background: var(--surface-2); border-bottom-left-radius: 6px; }
.home__bubble--out { justify-self: end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 6px; }
.home__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--space-1); animation: bubble-in 0.6s var(--ease) 1.4s both; }
.home__chips span { padding: 6px 10px; border-radius: 10px; font-size: var(--text-xs); background: var(--surface-2);
  border: 1px solid var(--border); }
@keyframes bubble-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } }
@media (prefers-reduced-motion: reduce) { .home__bubble, .home__chips { animation: none; } }

.home__section { width: min(1120px, 100% - 32px); margin: 0 auto; padding: clamp(40px, 8vh, 88px) 0 0; }
.home__h2 { margin: 0 0 var(--space-6); font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; text-align: center; }
.home__grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.home__feature { padding: var(--space-6); display: grid; gap: var(--space-2); align-content: start;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.home__feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.home__feature h3, .home__step h3 { margin: 0; font-size: 1.05rem; }
.home__icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; font-size: 22px; background: var(--accent-soft); }
.home__steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.home__step { padding: var(--space-6); display: flex; gap: var(--space-4); align-items: flex-start; }
.home__num { width: 36px; height: 36px; flex: none; display: grid; place-items: center; border-radius: 50%; font-weight: 700;
  color: var(--on-accent); background: var(--accent); }
.home__privacy { padding: clamp(24px, 4vw, 48px); display: grid; justify-items: center; margin-top: clamp(40px, 8vh, 88px); }
.home__privacy .login__points { max-width: 520px; }
.home__final { text-align: center; padding-bottom: var(--space-8); }
.home__foot { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-5); padding: var(--space-8) var(--space-4);
  font-size: var(--text-sm); color: var(--text-subtle); border-top: 1px solid color-mix(in oklab, var(--text) 7%, transparent); margin-top: var(--space-8); }
.home__foot a { color: var(--text-muted); text-decoration: none; }
.home__foot a:hover { color: var(--accent); }