/* IRIS marketing teaser — brand tokens aligned with webui login.css */

:root {
  color-scheme: dark;

  --emerald-200: #a7f3d0;
  --emerald-300: #6ee7b7;
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --emerald-700: #047857;

  --bg-app: #07070a;
  --bg-layer2: #111118;
  --border-soft: #1f1f29;
  --zinc-200: #e4e4e7;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;

  --glow-emerald: 0 0 0 1px rgba(16,185,129,.30), 0 12px 40px -12px rgba(16,185,129,.34);
  --ease-out: cubic-bezier(.22,.61,.36,1);

  --mx: 50%;
  --my: 50%;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  background: var(--bg-app);
  color: var(--zinc-200);
  font: 16px/1.55 "Inter", "InterVariable", system-ui, -apple-system, sans-serif;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(16,185,129,.30); color: #ecfdf5; }
:focus-visible {
  outline: 2px solid var(--emerald-500);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 8px 16px;
  background: var(--bg-layer2);
  color: var(--zinc-200);
}
.skip-link:focus { left: 16px; top: 16px; }

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 3;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 2;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,.55) 100%);
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1100px 600px at -10% -20%, rgba(16,185,129,.10), transparent 60%),
    radial-gradient(900px 500px at 110% 0%, rgba(139,92,246,.07), transparent 55%),
    radial-gradient(1400px 700px at 50% 120%, rgba(56,189,248,.04), transparent 60%);
}

.aurora__blob {
  position: absolute;
  width: 46vmax;
  height: 46vmax;
  border-radius: 50%;
  filter: blur(72px);
  opacity: .55;
}
.aurora__blob--emerald { background: rgba(16,185,129,.22); top: -8%; left: -12%; }
.aurora__blob--violet { background: rgba(139,92,246,.16); top: 4%; right: -14%; }
.aurora__blob--sky { background: rgba(56,189,248,.10); bottom: -18%; left: 28%; }

.cursor-glow {
  position: fixed;
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle, rgba(16,185,129,.08) 0%, transparent 70%);
  left: var(--mx);
  top: var(--my);
  transition: opacity .4s var(--ease-out);
  opacity: 0;
}
body.is-pointer .cursor-glow { opacity: 1; }

main { position: relative; z-index: 5; }

.beat {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 96px 24px 72px;
  position: relative;
}

.beat--hero { padding-top: 120px; }

.hero__canvas-wrap {
  position: relative;
  width: min(72vw, 520px);
  aspect-ratio: 1;
  margin-bottom: 32px;
}

.hero__canvas,
.hero__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.hero__poster {
  background:
    radial-gradient(circle at 50% 50%, rgba(110,231,183,.35) 0%, rgba(16,185,129,.12) 28%, transparent 62%),
    radial-gradient(circle at 50% 50%, rgba(7,7,10,.2) 0%, var(--bg-app) 72%);
  box-shadow: 0 0 80px rgba(16,185,129,.18);
  display: none;
}

.hero__copy { text-align: center; max-width: 640px; }

.wordmark {
  margin: 0 0 12px;
  font-size: clamp(3rem, 12vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 0%, var(--emerald-200) 60%, var(--emerald-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.wordmark__letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  animation: letter-in .9s var(--ease-out) forwards;
  animation-delay: calc(.12s * var(--i) + .3s);
}

@keyframes letter-in {
  to { opacity: 1; transform: translateY(0); }
}

.hero__line {
  margin: 0;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--zinc-400);
  letter-spacing: -.01em;
}

.telemetry {
  margin: 18px 0 0;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: rgba(113,113,122,.65);
  letter-spacing: .04em;
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  opacity: .35;
}
.scroll-cue__line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, transparent, var(--emerald-500));
  animation: scroll-pulse 2.4s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: .2; transform: scaleY(.7); }
  50% { opacity: .8; transform: scaleY(1); }
}

.manifesto {
  max-width: 720px;
  margin: 0;
  text-align: center;
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  line-height: 1.55;
  letter-spacing: -.015em;
  color: var(--zinc-200);
}

.triad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(100%, 960px);
}

.triad__card {
  padding: 28px 24px;
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  background: rgba(17,17,24,.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color .35s var(--ease-out), box-shadow .35s var(--ease-out), transform .35s var(--ease-out);
}
.triad__card:hover,
.triad__card:focus-within {
  border-color: rgba(16,185,129,.35);
  box-shadow: var(--glow-emerald);
  transform: translateY(-2px);
}

.triad__title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--emerald-300);
}

.triad__line {
  margin: 0;
  color: var(--zinc-400);
  font-size: .95rem;
}

.access {
  width: min(100%, 440px);
  text-align: center;
}

.access__heading {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -.02em;
}

.access__sub {
  margin: 0 0 28px;
  color: var(--zinc-400);
}

.access__form { text-align: left; }

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.field { display: block; margin-bottom: 16px; }
.field__label {
  display: block;
  margin-bottom: 6px;
  font-size: .85rem;
  color: var(--zinc-400);
}
.field__optional { color: var(--zinc-500); font-weight: 400; }
.field__input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: rgba(17,17,24,.55);
  color: var(--zinc-200);
  font: inherit;
  transition: border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.field__input:focus {
  outline: none;
  border-color: rgba(16,185,129,.45);
  box-shadow: 0 0 0 3px rgba(16,185,129,.12);
}

.invite-details {
  margin-bottom: 18px;
  color: var(--zinc-400);
  font-size: .9rem;
}
.invite-details summary {
  cursor: pointer;
  list-style: none;
  margin-bottom: 12px;
}
.invite-details summary::-webkit-details-marker { display: none; }

.cta {
  width: 100%;
  margin-top: 4px;
  padding: 14px 18px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font: 600 1rem/1 "Inter", system-ui, sans-serif;
  letter-spacing: -.01em;
  color: #022c22;
  background: linear-gradient(180deg, var(--emerald-400), var(--emerald-700));
  box-shadow: var(--glow-emerald);
  transition: transform .2s var(--ease-out), filter .2s var(--ease-out);
}
.cta:hover { filter: brightness(1.05); }
.cta:active { transform: scale(.98); }
.cta:disabled { opacity: .55; cursor: not-allowed; }

.access__status {
  min-height: 1.4em;
  margin: 14px 0 0;
  text-align: center;
  font-size: .92rem;
  color: var(--emerald-300);
}

.site-footer {
  position: relative;
  z-index: 5;
  padding: 32px 24px 40px;
  text-align: center;
  font-size: .85rem;
  color: var(--zinc-500);
}
.site-footer a {
  color: var(--zinc-400);
  text-decoration: none;
}
.site-footer a:hover { color: var(--emerald-300); }
.site-footer__sep { margin: 0 8px; opacity: .5; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 800px) {
  .triad { grid-template-columns: 1fr; max-width: 400px; }
  .hero__canvas-wrap { width: min(84vw, 400px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wordmark__letter { animation: none; opacity: 1; transform: none; }
  .scroll-cue__line { animation: none; }
  .aurora__blob { display: none; }
  .cursor-glow { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__canvas { display: none !important; }
  .hero__poster { display: block !important; }
}