:root {
  --navy-900: #0f131c;
  --navy-800: #161b27;
  --navy-700: #222938;
  --ink: #f4f5f7;
  --ink-muted: #c6cbd4;
  --ink-faint: #8a90a0;
  --cyan: #a78bfa;
  --pen: #ff5a5f;
  --line: rgba(167, 139, 250, 0.18);
  --card: rgba(26, 31, 44, 0.78);
  --radius: 14px;
  --max: 1080px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-900);
  background-image: radial-gradient(1100px 560px at 85% -12%, rgba(124, 92, 230, 0.22), transparent 70%);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: #c4b5fd; }
a:focus-visible, button:focus-visible, video:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(15, 19, 28, 0.84); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { color: var(--ink-muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .btn { color: var(--navy-900); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 10px; font-weight: 650; text-decoration: none; background: var(--cyan); color: var(--navy-900); border: 1px solid transparent; }
.btn:hover { background: #c4b5fd; color: var(--navy-900); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--cyan); color: var(--ink); }
.btn.small { padding: 7px 13px; font-size: 14px; }

/* Hero */
.hero { padding: 72px 0 40px; }
section.hero { border-top: 0; }
.eyebrow { color: var(--cyan); font-weight: 650; font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(36px, 6.2vw, 64px); line-height: 1.06; letter-spacing: -0.02em; margin: 0 0 10px; }
h1 .mark { position: relative; white-space: nowrap; }
h1 .mark::after { content: ""; position: absolute; left: -6px; right: -6px; bottom: 2px; height: 0.42em; border-bottom: 4px solid var(--pen); border-radius: 50%; transform: rotate(-1.5deg); }
.hero .sub { font-size: clamp(22px, 3vw, 30px); color: var(--ink-muted); margin: 0 0 22px; font-weight: 500; }
.hero p.lead { max-width: 62ch; color: var(--ink-muted); margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta .meta { color: var(--ink-faint); font-size: 14px; flex-basis: 100%; margin-top: 6px; }

/* Sections */
section { padding: 56px 0; border-top: 1px solid var(--line); }
section.flush { border-top: 0; padding-top: 8px; }
h2 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 14px; }
h3 { font-size: 19px; margin: 0 0 8px; }
.section-lead { color: var(--ink-muted); max-width: 64ch; margin: 0 0 28px; }

.video-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #000; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45); }
.video-frame video { display: block; width: 100%; aspect-ratio: 16 / 9; }
.note { color: var(--ink-faint); font-size: 14px; margin-top: 10px; }

.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { color: var(--ink-muted); margin: 0; }
.step-num { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border: 2.5px solid var(--pen); border-radius: 50%; color: var(--pen); font-weight: 800; margin-bottom: 12px; transform: rotate(-4deg); }
kbd { font: 600 14px/1 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--navy-700); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 3px 7px; color: var(--ink); }

.compare { width: 100%; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare th { color: var(--ink-faint); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.compare td:first-child { font-weight: 600; color: var(--ink); }
.compare td { color: var(--ink-muted); }
.compare tr.us td { color: var(--ink); background: rgba(167, 139, 250, 0.09); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

.usecase { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; }
.usecase svg { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line); }
.quote { background: var(--navy-800); border-left: 3px solid var(--pen); padding: 14px 16px; border-radius: 8px; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; margin: 16px 0; }

ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding-left: 26px; position: relative; margin: 8px 0; color: var(--ink-muted); }
ul.checks li::before { content: ""; position: absolute; left: 4px; top: 0.55em; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--cyan); }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--ink-muted); margin: 10px 0 0; }

figure.shot { margin: 8px 0 18px; }
figure.shot img { display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.split figure.shot { margin: 0; }
figure.shot.cutout img { border: 0; border-radius: 0; filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.5)); }
figure.shot figcaption { color: var(--ink-faint); font-size: 14px; margin-top: 10px; }

/* Article pages */
.article { max-width: 760px; }
.article p, .article li { color: var(--ink-muted); }
.article h2 { margin-top: 40px; }
.article .hero { padding: 24px 0 20px; }
.article h1 { font-size: clamp(32px, 4.8vw, 48px); }
.article figure.wide { position: relative; left: 50%; transform: translateX(-50%); width: min(1040px, calc(100vw - 40px)); }
.crumb { font-size: 14px; color: var(--ink-faint); margin: 32px 0 0; }
.crumb a { color: var(--ink-faint); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--ink-faint); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer a { color: var(--ink-muted); text-decoration: none; margin-right: 18px; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 820px) {
  .grid.three, .grid.two, .usecase, .split { grid-template-columns: 1fr; }
  .split figure.shot { order: -1; }
  .nav a:not(.btn) { display: none; }
  .hero { padding-top: 48px; }
}