:root {
  --bg: #0d0b14;
  --bg-2: #15111f;
  --line: #2a2340;
  --text: #ece9f7;
  --muted: #a39fb8;
  --accent: #7c5cff;
  --accent-2: #ffd34d;
  --danger: #ff6b8a;
  --ok: #5ee0a0;
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.top, main, .foot { width: min(1120px, 100% - 32px); margin-inline: auto; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; font-size: 18px; }
.dim { color: var(--muted); font-weight: 600; }
.top-cta { text-decoration: none; font-size: 14px; font-weight: 600; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; transition: border-color .15s, background .15s; }
.top-cta:hover { border-color: var(--accent); background: rgba(124, 92, 255, .12); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 56px 0 72px; }
.eyebrow { display: inline-block; margin: 0 0 18px; font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2); }
h1 { margin: 0; font-size: clamp(40px, 6vw, 68px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 800; }
.lede { margin: 22px 0 32px; font-size: 19px; color: var(--muted); max-width: 32em; }

.waitlist { display: grid; grid-template-columns: 1fr auto; gap: 10px; max-width: 480px; }
.waitlist input[type=email] {
  min-width: 0; height: 52px; padding: 0 16px;
  background: var(--bg-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  font: inherit; font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.waitlist input[type=email]::placeholder { color: #6f6a86; }
.waitlist input[type=email]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(124, 92, 255, .22); }
.waitlist button {
  height: 52px; padding: 0 22px; border: 0; border-radius: 12px; cursor: pointer;
  background: var(--accent); color: #fff; font: 700 16px var(--font);
  box-shadow: 0 4px 0 #4b33b8; transition: transform .08s, box-shadow .08s, filter .15s;
}
.waitlist button:hover { filter: brightness(1.08); }
.waitlist button:active { transform: translateY(3px); box-shadow: 0 1px 0 #4b33b8; }
.waitlist button:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }
.waitlist button[disabled] { opacity: .7; cursor: progress; }
.form-note { grid-column: 1 / -1; margin: 4px 2px 0; font-size: 14px; color: var(--muted); min-height: 1.6em; }
.form-note.ok { color: var(--ok); }
.form-note.err { color: var(--danger); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Demo window */
.demo { background: var(--bg-2); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px -30px rgba(124, 92, 255, .35); }
.demo-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.demo-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.prompt { padding: 16px 18px 14px; border-bottom: 1px solid var(--line); }
.caret-label { display: block; font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.prompt p { margin: 0; font: 15px/1.5 var(--mono); min-height: 3em; }
.caret { display: inline-block; width: 8px; height: 1.1em; margin-left: 2px; vertical-align: -0.15em; background: var(--accent-2); animation: blink 1s steps(1) infinite; }
.scene { width: 100%; height: auto; image-rendering: pixelated; }
.robot { animation: hop 1.6s ease-in-out infinite; transform-box: fill-box; }
.stars { animation: twinkle 2.4s steps(2) infinite; }

@keyframes blink { 50% { opacity: 0; } }
@keyframes hop { 0%, 100% { transform: translate(0, 0); } 40% { transform: translate(14px, -12px); } 70% { transform: translate(24px, 0); } }
@keyframes twinkle { 50% { opacity: .55; } }

/* Steps */
section h2 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -0.02em; margin: 0 0 28px; }
.steps { padding: 56px 0; border-top: 1px solid var(--line); }
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: rgba(124, 92, 255, .16); color: #b7a6ff; font: 700 15px var(--mono); }
.steps h3 { margin: 16px 0 6px; font-size: 19px; }
.steps p { margin: 0; color: var(--muted); }

/* FAQ */
.faq { padding: 56px 0 80px; border-top: 1px solid var(--line); max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 24px/1 var(--mono); color: var(--muted); transition: transform .15s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* Footer */
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 20px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }

/* Simple pages */
.page { max-width: 720px; padding: 40px 0 80px; }
.page h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 20px; }
.page p, .page li { color: var(--muted); }
.page a { color: #b7a6ff; }
.btn { display: inline-block; margin-top: 12px; padding: 12px 18px; border-radius: 12px; background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 700; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 28px 0 56px; }
  .steps ol { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .waitlist { grid-template-columns: 1fr; }
  .lede { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}