:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #94a3b8;
  --line: #e2e8f0;
  --brand: #0f7a55;
  --critical: #dc2626;
  --font: "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 128px; }
html, body { background: var(--bg); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ---------- Nav (same as home) ---------- */
.nav {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 40px;
  height: 72px; padding: 0 var(--gutter);
  background: rgba(248,250,252,.92); backdrop-filter: blur(10px);
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.logo img { width: 30px; height: auto; }
.logo-text { display: flex; flex-direction: column; gap: 4px; font-family: "Archivo", var(--font); line-height: 1; }
.logo-text b { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.logo-text small { font-size: 8px; font-weight: 500; letter-spacing: .42em; color: var(--ink-2); }
.footer-brand .logo img { width: 40px; }
.footer-brand .logo-text b { font-size: 26px; }
.footer-brand .logo-text small { font-size: 9.5px; }
.nav-links { display: flex; gap: 28px; font-size: 15px; color: var(--ink-2); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 14px; color: var(--ink-2); }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 999px; font: 600 15px var(--font); cursor: pointer; border: 1px solid transparent; transition: background .2s, border-color .2s; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #1e293b; }
.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink-3); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }

/* ---------- Product hero ---------- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); }
.p-hero { padding: clamp(48px, 8vw, 96px) 0 0; }
.crumb { font-size: 14px; color: var(--ink-3); }
.crumb a:hover { color: var(--ink); }
.p-hero h1 { margin-top: 20px; font-size: clamp(38px, 5.6vw, 76px); line-height: 1.02; letter-spacing: -.035em; font-weight: 600; max-width: 900px; }
.p-hero h1 span { color: var(--ink-3); }
.p-hero .lead { margin-top: 24px; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--ink-2); max-width: 680px; }
.cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.p-hero .shot { margin-top: clamp(40px, 6vw, 72px); }

/* Screenshot frame */
.shot { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 24px 48px -24px rgba(15,23,42,.22); cursor: zoom-in; }
.shot-bar { display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--ink-3); }
.shot-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.shot-bar span { margin-left: 6px; }
.shot img { width: 100%; height: auto; }

/* Key numbers */
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: clamp(56px, 8vw, 96px); }
.numbers div { padding: 28px 24px 28px 0; }
.numbers div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.numbers b { display: block; font-size: clamp(28px, 3vw, 40px); font-weight: 600; letter-spacing: -.03em; }
.numbers span { display: block; margin-top: 6px; font-size: 14px; line-height: 1.45; color: var(--ink-2); }

/* Section index */
.index { position: sticky; top: 72px; z-index: 20; background: rgba(248,250,252,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.index .wrap { display: flex; gap: 24px; overflow-x: auto; scrollbar-width: none; }
.index a { flex: none; padding: 16px 0 14px; font-size: 14px; color: var(--ink-2); border-bottom: 2px solid transparent; }
.index a:hover { color: var(--ink); }
.index a.on { color: var(--ink); border-bottom-color: var(--ink); }

/* Feature sections: intro on top, wide screenshots below */
.feature { padding: clamp(64px, 9vw, 120px) 0; border-bottom: 1px solid var(--line); }
.intro { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 5vw, 72px); align-items: start; margin-bottom: clamp(32px, 4vw, 48px); }
.kicker { font-size: 14px; font-weight: 500; color: var(--ink-3); }
.feature h2 { margin-top: 12px; font-size: clamp(28px, 3vw, 42px); line-height: 1.1; letter-spacing: -.03em; font-weight: 600; }
.intro p { font-size: 17px; line-height: 1.6; color: var(--ink-2); }
.points { margin-top: 20px; list-style: none; border-top: 1px solid var(--line); }
.points li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.points li b { color: var(--ink); font-weight: 600; }

/* Slider */
.slider { position: relative; }
.track { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; scroll-behavior: smooth; }
.track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: start; }
.slide figcaption { margin-top: 18px; max-width: 760px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }
.slide figcaption b { color: var(--ink); font-weight: 600; }
.slider-nav { margin-top: 20px; display: flex; align-items: center; gap: 16px; }
.slider-nav .count { font: 500 13px var(--mono); color: var(--ink-3); min-width: 44px; }
.dots { display: flex; gap: 6px; }
.dots button { width: 24px; height: 3px; border: 0; border-radius: 2px; background: var(--line); cursor: pointer; padding: 0; }
.dots button[aria-current="true"] { background: var(--ink); }
.arrows { margin-left: auto; display: flex; gap: 8px; }
.arrows button { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); cursor: pointer; font-size: 16px; }
.arrows button:hover:not(:disabled) { border-color: var(--ink-3); }
.arrows button:disabled { opacity: .35; cursor: default; }

/* Metric AI */
.ai-head { display: flex; align-items: center; gap: 14px; }
.ai-eye { width: 56px; height: 44px; flex: none; color: var(--ink); }
.ai-eye .lids { transform-box: fill-box; transform-origin: center; animation: eyeBlink 7s infinite; }
.ai-eye #iris { animation: scan 5s ease-in-out infinite; }
@keyframes eyeBlink { 0%, 94%, 100% { transform: scaleY(1); } 96% { transform: scaleY(.15); } }
@keyframes scan { 0%, 100% { transform: translateX(-10px); } 50% { transform: translateX(10px); } }

/* How it works */
.how { padding: clamp(64px, 9vw, 120px) 0; border-bottom: 1px solid var(--line); }
.how h2 { margin-top: 12px; font-size: clamp(28px, 3vw, 42px); letter-spacing: -.03em; font-weight: 600; }
.steps { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: s; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.step::before { counter-increment: s; content: counter(s, decimal-leading-zero); font: 500 13px var(--mono); color: var(--ink-3); }
.step h3 { margin-top: 20px; font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.step p { margin-top: 8px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }

/* Closing CTA */
.closing { padding: clamp(80px, 10vw, 140px) 0; text-align: center; }
.closing h2 { font-size: clamp(32px, 4vw, 56px); letter-spacing: -.035em; font-weight: 600; line-height: 1.05; }
.closing p { margin: 16px auto 0; max-width: 520px; font-size: 17px; line-height: 1.55; color: var(--ink-2); }
.closing .cta { justify-content: center; }
/* ---------- Footer (same on every page) ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); }
.footer-inner, .footer-bottom { max-width: 1240px; margin: 0 auto; padding-left: clamp(16px, 4vw, 56px); padding-right: clamp(16px, 4vw, 56px); }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr .8fr; gap: 40px; padding-block: 56px 40px; }
.footer-brand p { margin-top: 14px; max-width: 260px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }
.site-footer h4 { margin-bottom: 12px; font-size: 13px; font-weight: 600; color: var(--ink); }
.site-footer address, .site-footer ul { font-style: normal; list-style: none; font-size: 15px; line-height: 1.7; color: var(--ink-2); }
.site-footer address b { color: var(--ink); font-weight: 600; }
.site-footer li span { display: inline-block; min-width: 56px; color: var(--ink-3); }
.site-footer a { overflow-wrap: anywhere; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { padding-block: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-3); }
@media (max-width: 860px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-inner { grid-template-columns: 1fr; gap: 28px; } }

/* Lightbox */
dialog { border: 0; padding: 0; background: transparent; max-width: min(1600px, 96vw); margin: auto; }
dialog::backdrop { background: rgba(15,23,42,.7); backdrop-filter: blur(4px); }
dialog img { width: 100%; height: auto; border-radius: 10px; cursor: zoom-out; }

@media (max-width: 860px) {
  .nav-links, .nav-right .lang { display: none; }
  .numbers { grid-template-columns: 1fr 1fr; }
  .numbers div:nth-child(3) { padding-left: 0; border-left: 0; }
  .numbers div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .intro { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .shot-bar { height: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html, .track { scroll-behavior: auto; }
  .ai-eye .lids, .ai-eye #iris { animation: none; }
}