/* Rippple. One screen. Text and a logo. */

:root {
  --bg: #0d0914;
  --text: #f4f1fa;
  --muted: #a89fbd;
  --line: rgba(255, 255, 255, 0.1);
  --card: rgba(255, 255, 255, 0.06);
  --pink: #e05cf0;
  --purple: #9b6cf5;
  --grad: linear-gradient(100deg, var(--pink), var(--purple));
  --pad: clamp(20px, 3vw, 48px);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.4;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; }

.page {
  position: relative;
  height: 100dvh;
  display: grid;
  grid-template-rows: 1fr auto auto;
  padding: 0 var(--pad);
  max-width: 1200px;
  margin: 0 auto;
}
/* Soft glow, like the app's background tint */
.page::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(55% 45% at 18% 28%, rgba(224, 92, 240, 0.22), transparent 70%),
    radial-gradient(50% 50% at 85% 80%, rgba(155, 108, 245, 0.18), transparent 70%);
  pointer-events: none;
}
.row { padding: var(--pad) 0; }

/* Hero */
.hero { display: grid; align-content: center; min-height: 0; }
.logo {
  width: clamp(56px, 10vh, 104px); height: auto;
  margin-bottom: clamp(16px, 3.5vh, 36px);
  border-radius: 22.5%;
  box-shadow: 0 16px 48px rgba(224, 92, 240, 0.35);
}
h1 {
  font-size: clamp(2.2rem, 8.5vh, 6.5rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.035em;
}

/* Gradient verbs */
.word {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* Download / Open source */
.download { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding-top: 0; }
.download a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 16px 20px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: clamp(1rem, 1.5vw, 1.25rem); font-weight: 600; letter-spacing: -0.01em;
  transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}
.download a:hover, .download a:focus-visible { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-1px); outline: none; }
.download a.primary { background: #fff; border-color: #fff; color: #140f1f; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.download a.primary:hover, .download a.primary:focus-visible { background: #f3eefb; border-color: #f3eefb; }
.download small { font-size: 0.78rem; font-weight: 400; color: var(--muted); }
.download a.primary small { color: #6b6280; }

/* Footer */
.foot {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--pad); flex-wrap: wrap;
  font-size: 0.85em; color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 18px; padding-bottom: clamp(16px, 2.5vh, 28px);
}
.foot nav { display: flex; flex-wrap: wrap; gap: 0 1.3em; }
.foot a:hover { color: var(--text); }
.foot p a { color: var(--text); }

/* Small screens: stack, shrink, still one screen */
@media (max-width: 1000px) and (min-width: 701px) {
  .download { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  :root { --pad: 20px; }
  body { font-size: 13px; }
  .row { padding: 16px 0; }
  .logo { width: 64px; margin-bottom: 16px; }
  h1 { font-size: clamp(1.6rem, 6.5vh, 3.2rem); }
  .download { grid-template-columns: 1fr; gap: 8px; }
  .download a { padding: 10px 16px; }
  .download a { flex-direction: row; align-items: baseline; justify-content: space-between; font-size: 1rem; border-radius: 12px; }
  .download small { font-size: 0.7rem; }
  .foot { font-size: 11px; gap: 6px; padding-top: 12px; padding-bottom: 14px; }
  .foot nav { gap: 0 1em; }
}
@media (prefers-reduced-motion: reduce) {
  .download a { transition: none; }
}