:root {
  --bg: #07090f;
  --bg-2: #0c1019;
  --panel: #111624;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f7;
  --muted: #a3acc0;
  --cyan: #3ef5fa;
  --teal: #2cc3dc;
  --blue: #4a6ceb;
  --violet: #7a3be3;
  --warn: #ffb45c;
  --ok: #3fe0a0;
  --grad: linear-gradient(100deg, var(--cyan) 0%, var(--teal) 30%, var(--blue) 62%, var(--violet) 100%);
  --radius: 18px;
  --wrap: 1160px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Inter, Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 50;
  background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 10px; font-weight: 600;
}
.skip:focus { top: 12px; }

.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  font: 600 13px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 18px;
}
.section-lead { color: var(--muted); max-width: 62ch; margin-top: 18px; font-size: 18px; }
.note { color: var(--muted); font-size: 14px; margin-top: 18px; max-width: 70ch; }
.fineprint { color: var(--muted); font-size: 14px; margin-top: 16px; }
section { padding: clamp(72px, 10vw, 128px) 0; scroll-margin-top: 68px; }
h2 { font-size: clamp(32px, 4.4vw, 54px); max-width: 20ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  background: var(--grad); color: #050710; font-weight: 700; text-decoration: none; white-space: nowrap;
  box-shadow: 0 10px 30px -12px rgba(74, 108, 235, 0.8);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 14px 34px -12px rgba(122, 59, 227, 0.9); }
.btn:active { transform: translateY(0); }
.btn--ghost {
  background: transparent; color: var(--text); box-shadow: none;
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.05); box-shadow: none; }
.btn--small { min-height: 40px; padding: 0 16px; font-size: 15px; }
.btn--block { width: 100%; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(7, 9, 15, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
.nav nav { margin-left: auto; }
.nav__links { display: flex; gap: 26px; }
.nav__links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav__links a:hover { color: var(--text); }

/* Hero */
.hero {
  position: relative; padding-top: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(60% 60% at 80% 20%, rgba(74, 108, 235, 0.22), transparent 70%),
    radial-gradient(45% 50% at 10% 0%, rgba(62, 245, 250, 0.12), transparent 70%);
}
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(40px, 5.4vw, 70px); }
.lead { font-size: clamp(18px, 1.6vw, 20px); color: var(--muted); margin-top: 24px; max-width: 58ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.limit {
  margin: 0; padding: 22px; border-radius: 24px;
  background: linear-gradient(180deg, rgba(17, 22, 36, 0.9), rgba(12, 16, 25, 0.9));
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.limit__card {
  display: flex; gap: 14px; align-items: center; padding: 16px 18px; border-radius: 14px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.limit__card--route { border-color: rgba(74, 108, 235, 0.55); box-shadow: 0 0 0 1px rgba(74, 108, 235, 0.15), 0 18px 40px -24px rgba(74, 108, 235, 0.8); }
.limit__title { font-weight: 650; font-size: 16px; }
.limit__meta { color: var(--muted); font: 13.5px/1.5 var(--mono); margin-top: 2px; }
.limit__dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.limit__dot--warn { background: var(--warn); box-shadow: 0 0 0 5px rgba(255, 180, 92, 0.16); }
.limit__flow { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 0; }
.limit__flow span { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); animation: flow 1.6s ease-in-out infinite; }
.limit__flow span:nth-child(2) { animation-delay: 0.2s; }
.limit__flow span:nth-child(3) { animation-delay: 0.4s; }
@keyframes flow { 0%, 100% { opacity: 0.25; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.3); } }
.limit figcaption { color: var(--muted); font-size: 14px; margin-top: 16px; }

/* Pain */
.pain { padding: 56px 0; border-block: 1px solid var(--line); background: var(--bg-2); }
.pain__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: pain; }
.pain__list li { color: var(--muted); padding-left: 44px; position: relative; font-size: 16px; }
.pain__list li::before {
  counter-increment: pain; content: "0" counter(pain);
  position: absolute; left: 0; top: 2px; font: 600 14px/1 var(--mono); color: var(--teal);
}
.pain__list strong { display: block; color: var(--text); font-size: 18px; margin-bottom: 6px; }

/* Matrix demo */
.demo {
  margin-top: 48px; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 20px;
  padding: 20px; border-radius: 26px; background: var(--panel); border: 1px solid var(--line-strong);
}
.demo fieldset { border: 0; margin: 0; padding: 0; }
.demo fieldset + fieldset { margin-top: 26px; }
.demo legend { font: 600 12.5px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; padding: 0; }
.demo__controls { padding: 12px; }
.chips { display: flex; flex-direction: column; gap: 8px; }
.chip {
  text-align: left; padding: 12px 14px; border-radius: 12px; cursor: pointer;
  background: var(--bg-2); border: 1px solid var(--line); font-size: 15.5px;
  transition: border-color 140ms ease, background 140ms ease;
}
.chip:hover { border-color: var(--line-strong); }
.chip[aria-checked="true"] { border-color: var(--blue); background: rgba(74, 108, 235, 0.14); }
.quota { display: flex; align-items: center; gap: 14px; }
.quota input { flex: 1; accent-color: var(--blue); min-height: 32px; }
.quota output { font: 600 14px/1 var(--mono); min-width: 9ch; text-align: right; }

.demo__result {
  border-radius: 18px; background: var(--bg-2); border: 1px solid var(--line); padding: 22px;
  display: flex; flex-direction: column; gap: 24px;
}
.levels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.levels li {
  padding: 10px 6px; border-radius: 10px; text-align: center; border: 1px solid var(--line);
  color: var(--muted); transition: all 180ms ease;
}
.levels b { display: block; font: 700 15px/1.2 var(--mono); color: var(--text); }
.levels span { font-size: 12px; }
.levels li.is-active { color: #050710; border-color: transparent; background: var(--grad); }
.levels li.is-active b { color: #050710; }
.pick__label { font: 600 12.5px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.pick__model { font-size: clamp(24px, 2.6vw, 32px); font-weight: 700; letter-spacing: -0.02em; margin-top: 10px; }
.pick__why { color: var(--muted); margin-top: 8px; min-height: 3.2em; }
.pick__meta { font: 13.5px/1.4 var(--mono); color: var(--muted); margin-top: 10px; }
.cost { display: flex; align-items: center; gap: 12px; margin-top: 18px; font: 12px/1 var(--mono); color: var(--muted); }
.cost__track { position: relative; flex: 1; height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.07); }
.cost__fill {
  position: absolute; inset: 0; border-radius: 99px; background: var(--grad);
  clip-path: inset(0 calc(100% - var(--cost, 10%)) 0 0 round 99px);
  transition: clip-path 360ms cubic-bezier(.2, .7, .2, 1);
}
.cost__dot {
  position: absolute; top: 50%; left: var(--cost, 10%); width: 16px; height: 16px; border-radius: 50%;
  transform: translate(-50%, -50%); background: var(--text); box-shadow: 0 0 0 4px rgba(74, 108, 235, 0.35);
  transition: left 360ms cubic-bezier(.2, .7, .2, 1);
}

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.feature {
  padding: 28px; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line);
}
.feature--wide { grid-column: span 2; background: linear-gradient(135deg, rgba(62, 245, 250, 0.07), rgba(122, 59, 227, 0.1)), var(--bg-2); }
.feature--wide:last-child { grid-column: 1 / -1; }
.feature h3 { font-size: 21px; margin-bottom: 10px; }
.feature p { color: var(--muted); }

/* Steps */
.how { background: var(--bg-2); border-block: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.steps li { display: flex; gap: 18px; }
.steps__n {
  flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  font: 700 16px/1 var(--mono); background: var(--panel); border: 1px solid var(--line-strong);
}
.steps h3 { font-size: 20px; margin-bottom: 8px; }
.steps p { color: var(--muted); }

/* Pricing */
.pricing__inner { display: grid; grid-template-columns: 1fr 440px; gap: 56px; align-items: center; }
.price-card {
  position: relative; padding: 34px; border-radius: 26px; background: var(--panel);
  border: 1px solid transparent;
  background-image: linear-gradient(var(--panel), var(--panel)), var(--grad);
  background-origin: border-box; background-clip: padding-box, border-box;
  box-shadow: 0 40px 90px -50px rgba(74, 108, 235, 0.9);
}
.price-card__badge {
  display: inline-block; font: 600 12.5px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 8px 12px; border-radius: 99px; background: rgba(62, 245, 250, 0.1); color: var(--cyan);
}
.price { margin-top: 22px; display: flex; align-items: baseline; gap: 14px; }
.price__now { font-size: 64px; font-weight: 800; letter-spacing: -0.04em; }
.price__was { font-size: 24px; color: var(--muted); text-decoration: line-through; }
.price-card__sub { color: var(--muted); font-size: 15px; }
.checks { margin: 26px 0 28px; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 18px; height: 18px;
  background: var(--grad);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Roadmap */
.roadmap__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.roadmap__list li { padding: 26px; border-radius: var(--radius); border: 1px dashed var(--line-strong); }
.roadmap__list h3 { font-size: 19px; margin-bottom: 8px; }
.roadmap__list p { color: var(--muted); }

/* FAQ */
.faq__inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; }
.faq__items { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 36px 22px 0; font-weight: 600; font-size: 18px; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font: 400 26px/1 var(--mono); color: var(--teal); transition: transform 180ms ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 22px; max-width: 64ch; }

/* Final */
.final {
  text-align: center;
  background: radial-gradient(50% 70% at 50% 100%, rgba(122, 59, 227, 0.25), transparent 70%);
}
.final__inner { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.final h2 { max-width: 16ch; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 56px; }
.footer__inner { display: grid; grid-template-columns: 1fr auto; gap: 18px 32px; align-items: start; }
.footer__links { display: flex; gap: 22px; }
.footer__links a, .footer__small a { color: var(--muted); }
.footer__links a:hover { color: var(--text); }
.footer__small { color: var(--muted); font-size: 14px; margin-top: 8px; }
.footer__legal { grid-column: 1 / -1; max-width: 90ch; font-size: 13px; }
.brand--footer { margin: 0; }

/* Early access */
.early { background: var(--bg-2); border-block: 1px solid var(--line); }
.early__inner { display: grid; grid-template-columns: 1fr 460px; gap: 56px; align-items: start; }
.early__form {
  display: grid; gap: 8px; padding: 30px; border-radius: 22px; background: var(--panel);
  border: 1px solid var(--line-strong);
}
.early__form label { font-size: 14px; font-weight: 600; margin-top: 8px; }
.early__form .optional { color: var(--muted); font-weight: 400; }
.early__form input[type="email"], .early__form input[type="text"] {
  min-height: 48px; padding: 0 14px; border-radius: 12px; font: inherit; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line-strong);
}
.early__form input[aria-invalid="true"] { border-color: var(--warn); }
.early__form .consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); margin: 12px 0 10px; }
.early__form .consent input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--blue); flex: none; }
.early__form .consent a { color: var(--text); }
.early__status { min-height: 1.5em; font-size: 14px; margin-top: 6px; }
.early__status[data-kind="ok"] { color: var(--ok); }
.early__status[data-kind="error"] { color: var(--warn); }
.early__status[data-kind="pending"] { color: var(--muted); }
.btn[disabled] { opacity: 0.7; cursor: progress; transform: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 980px) { .early__inner { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 720px) { .early__form { padding: 22px; } }

/* Download page */
.dl-title { font-size: clamp(34px, 4.6vw, 56px); }
.dl-steps { margin-top: 28px; display: grid; gap: 12px; counter-reset: dl; }
.dl-steps li { position: relative; padding-left: 36px; color: var(--muted); }
.dl-steps li::before { counter-increment: dl; content: counter(dl); position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 8px; display: grid; place-items: center; font: 700 13px/1 var(--mono); background: var(--panel); border: 1px solid var(--line-strong); color: var(--text); }
.dl-steps code { font: 13px/1.5 var(--mono); background: var(--panel); padding: 2px 6px; border-radius: 6px; color: var(--text); word-break: break-all; }

/* Responsive */
@media (max-width: 980px) {
  .hero__grid, .demo, .pricing__inner, .faq__inner { grid-template-columns: 1fr; }
  .feature-grid, .roadmap__list { grid-template-columns: 1fr 1fr; }
  .steps, .pain__list { grid-template-columns: 1fr; gap: 24px; }
  .pricing__inner { gap: 32px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav nav { display: none; }
  .nav .btn { margin-left: auto; font-size: 14px; padding: 0 14px; }
  .nav__inner { gap: 12px; }
  .feature-grid, .roadmap__list { grid-template-columns: 1fr; }
  .feature--wide { grid-column: auto; }
  .levels span { display: none; }
  .demo { padding: 12px; }
  .demo__controls { padding: 6px; }
  .price__now { font-size: 54px; }
  .price-card { padding: 26px; }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}