:root {
  --bg: #000;
  --bg-2: #0a0a0b;
  --panel: #0f0f11;
  --line: #1f1f23;
  --line-2: #2a2a30;
  --text: #fafafa;
  --muted: #a1a1aa;
  --dim: #71717a;
  --accent: #38bdf8;
  --accent-ink: #001018;
  --radius: 16px;
  --font: "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

*, *::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-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
b, strong { font-weight: 600; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--muted); transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  color: var(--accent-ink); background: var(--accent);
  padding: 8px 16px; border-radius: 999px; font-weight: 600;
}
.nav-links .nav-cta:hover { color: var(--accent-ink); filter: brightness(1.08); }

/* HERO */
.hero { position: relative; padding: 88px 0 96px; text-align: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 20%, transparent 75%);
  opacity: .55;
}
.hero-inner { position: relative; }
.hero-logo { position: relative; width: 180px; height: 180px; margin: 0 auto 28px; }
.hero-logo img { position: relative; width: 100%; height: 100%; animation: float 7s ease-in-out infinite; }
.hero-logo .glow {
  position: absolute; inset: -30%;
  background: radial-gradient(circle, rgba(56, 189, 248, .28), transparent 62%);
  filter: blur(10px);
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(6deg); }
}
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  font-family: var(--mono); font-size: 13px; letter-spacing: .04em;
  color: var(--muted); border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 14px;
}
h1 {
  margin: 0; font-size: clamp(44px, 9vw, 88px); line-height: 1; letter-spacing: -.045em; font-weight: 800;
}
.pitch { max-width: 620px; margin: 20px auto 0; font-size: clamp(18px, 2.4vw, 22px); color: var(--muted); }

.downloads { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 60px; padding: 12px 26px; border-radius: 14px;
  text-decoration: none; font-weight: 600; font-size: 17px;
  transition: transform .15s, filter .15s, border-color .15s;
}
.btn svg { width: 22px; height: 22px; fill: currentColor; flex: none; }
.btn-text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.2; }
.btn-note { font-weight: 400; font-size: 12.5px; opacity: .75; }
.btn-note:empty { display: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 1px rgba(56,189,248,.4), 0 10px 40px -10px rgba(56,189,248,.55); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.07); }
.btn-secondary { background: var(--panel); color: var(--text); border: 1px solid var(--line-2); }
.btn-secondary:hover { border-color: #3f3f46; }
.btn.is-disabled { background: transparent; color: var(--dim); border: 1px dashed var(--line-2); box-shadow: none; cursor: not-allowed; }
.btn.is-disabled:hover { transform: none; filter: none; }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.all-releases { margin: 20px 0 0; font-size: 14px; color: var(--dim); }
.all-releases a { color: var(--muted); }
.all-releases a:hover { color: var(--text); }

/* SECTIONS */
.section { padding: 96px 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-2); }
.section-title { margin: 0; text-align: center; font-size: clamp(30px, 4.5vw, 44px); letter-spacing: -.03em; line-height: 1.1; font-weight: 700; }
.section-sub { max-width: 560px; margin: 14px auto 0; text-align: center; color: var(--muted); }

/* TWO COLUMNS */
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; }
.column {
  background: linear-gradient(180deg, var(--panel), #0b0b0d);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; min-width: 0;
}
.column-head { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.tag {
  display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: rgba(56, 189, 248, .08); border: 1px solid rgba(56, 189, 248, .25);
  padding: 4px 10px; border-radius: 999px;
}
.column h3 { margin: 14px 0 6px; font-size: 24px; letter-spacing: -.02em; line-height: 1.2; }
.column-head p { margin: 0; color: var(--muted); font-size: 16px; }
.benefits { list-style: none; margin: 0; padding: 0; }
.benefits li {
  position: relative; padding: 18px 0 18px 28px; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 3px;
}
.benefits li:last-child { border-bottom: 0; padding-bottom: 0; }
.benefits li::before {
  content: ""; position: absolute; left: 2px; top: 26px; width: 10px; height: 10px;
  background: var(--accent); transform: rotate(45deg); border-radius: 2px;
}
.benefits strong { font-size: 17px; }
.benefits span { color: var(--muted); font-size: 15.5px; }

.extras { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 20px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.extra { background: var(--bg); padding: 22px 26px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.extra strong { font-size: 16px; }
.extra span { color: var(--muted); font-size: 15px; }

/* STEPS */
.steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-width: 0; }
.step-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--text); color: #000; font-weight: 800; font-size: 18px;
}
.step h3 { margin: 18px 0 8px; font-size: 21px; letter-spacing: -.02em; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }
.step b { color: var(--text); }

/* FAQ */
.faq { margin-top: 44px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-weight: 600; font-size: 18px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 24px; font-weight: 400; color: var(--muted); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); color: var(--accent); }
.faq details p { margin: 0 0 22px; color: var(--muted); }
.faq details b { color: var(--text); }

/* CTA */
.cta { padding: 96px 0; border-top: 1px solid var(--line); text-align: center;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(56, 189, 248, .12), transparent 70%); }
.cta-inner { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.cta h2 { margin: 0; font-size: clamp(30px, 5vw, 48px); letter-spacing: -.035em; }

kbd { font-family: var(--mono); font-size: .85em; padding: 1px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--text); white-space: nowrap; }

/* FOOTER */
.footer { border-top: 1px solid var(--line); padding: 36px 0; font-size: 14px; color: var(--dim); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; }
.footer p { margin: 0; }
.footer .brand { color: var(--muted); font-size: 15px; }
.footer a:hover { color: var(--text); }
.footer .disclaimer { flex-basis: 100%; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.6; }
.footer .disclaimer b { color: var(--muted); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .columns, .extras { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .column { padding: 24px; }
  .nav-links a:not(.nav-cta) { display: none; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 56px 0 72px; }
  .hero-logo { width: 140px; height: 140px; }
  .downloads { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-logo img { animation: none; }
}