/* Landing page. Dark to match the app; no JS, no webfonts, no frameworks. */
:root {
  --bg: #0E1014;
  --ink: #F2F4F7;
  --muted: #8E96A3;
  --rule: rgba(255,255,255,0.10);
  --card: rgba(255,255,255,0.035);
  --accent: #5AC8FA;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
header, section, footer { max-width: 60rem; margin: 0 auto; padding: 0 1.5rem; }

.wordmark {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.95rem; font-weight: 700; letter-spacing: 0.28em;
  color: var(--ink); text-decoration: none; padding: 2rem 0 0;
}
.dots { display: inline-flex; gap: 3px; }
.dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); opacity: 0.85; }

/* Entrance: one shared rise, staggered down the page — the same voice as the app. */
@keyframes rise { from { opacity: 0; transform: translateY(16px); filter: blur(2px); } }
.hero, .modalities, .features article, .warning {
  animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero { animation-delay: 0.05s; }
.modalities { animation-delay: 0.14s; }
.features article:nth-child(1) { animation-delay: 0.20s; }
.features article:nth-child(2) { animation-delay: 0.26s; }
.features article:nth-child(3) { animation-delay: 0.32s; }
.features article:nth-child(4) { animation-delay: 0.38s; }
.warning { animation-delay: 0.44s; }
@media (prefers-reduced-motion: reduce) {
  .hero, .modalities, .features article, .warning { animation: none; }
}

.hero { padding-top: 5rem; padding-bottom: 3rem; }
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 4.1rem); font-weight: 200;
  line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 1.5rem;
}
.hero .sub {
  font-size: clamp(1.02rem, 2vw, 1.2rem); font-weight: 300;
  color: var(--muted); max-width: 34rem; margin: 0 0 2.25rem;
}
.cta { margin: 0; }
.badge {
  display: inline-block; border: 1px solid var(--rule); border-radius: 999px;
  padding: 0.65rem 1.4rem; font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}

.modalities { padding-bottom: 4.5rem; }
.modalities ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.modalities li {
  display: inline-flex; align-items: center; gap: 0.55rem;
  border: 1px solid var(--rule); border-radius: 999px;
  padding: 0.5rem 1rem; font-size: 0.88rem; color: var(--muted);
}
.modalities .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--c); box-shadow: 0 0 10px var(--c);
}

.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1rem; padding-bottom: 4rem;
}
.features article {
  background: var(--card); border: 1px solid var(--rule);
  border-radius: 18px; padding: 1.6rem;
}
.features h2 {
  font-size: 1.08rem; font-weight: 600; margin: 0 0 0.6rem; letter-spacing: -0.005em;
}
.features p { margin: 0; color: var(--muted); font-size: 0.96rem; font-weight: 300; }

.warning {
  padding-bottom: 4rem;
}
.warning p {
  background: rgba(255, 149, 0, 0.07);
  border: 1px solid rgba(255, 149, 0, 0.28);
  border-radius: 16px; padding: 1.25rem 1.4rem; margin: 0;
  font-size: 0.94rem; font-weight: 300; color: #F0D7B0;
}
.warning strong { color: #FFB350; font-weight: 600; }

footer {
  border-top: 1px solid var(--rule); padding-top: 2rem; padding-bottom: 3rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
footer nav { display: flex; gap: 1.5rem; }
footer a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
footer a:hover { color: var(--accent); }
.fine { color: #5A616D; font-size: 0.82rem; margin: 0; }