:root {
  --black: #05060a;
  --ink: #111318;
  --muted: #6e6e73;
  --line: rgba(255,255,255,.1);
  --blue: #3b82f6;
  --blue-2: #60a5fa;
  --paper: #f3f4f6;
  --card: #fff;
  --font: "Plus Jakarta Sans", "SF Pro Display", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--ink);
  background: var(--black);
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { letter-spacing: -.03em; }
.skip {
  position: absolute;
  left: 1rem;
  top: -40px;
  z-index: 40;
  background: #fff;
  color: #111;
  padding: .5rem .8rem;
  border-radius: 8px;
}
.skip:focus { top: 1rem; }
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 6vw;
  background: rgba(5,6,10,.72);
  backdrop-filter: saturate(180%) blur(22px);
  color: #f5f5f7;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-brand { display: flex; align-items: center; text-decoration: none; }
.nav-brand img { height: 40px; width: auto; object-fit: contain; background: transparent; filter: brightness(0) invert(1); }
.nav-links { display: flex; gap: 1.15rem; align-items: center; font-size: .92rem; font-weight: 600; }
.nav-links a { text-decoration: none; color: #d2d2d7; }
.nav-links a:hover { color: #fff; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 980px;
  padding: .78rem 1.25rem;
  font-weight: 700;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 30px rgba(59,130,246,.28);
  transition: transform .18s ease, background .18s ease;
}
.btn:hover { background: #2563eb; transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.1); box-shadow: none; }
.btn-ghost:hover { background: rgba(255,255,255,.16); }
.kicker {
  color: var(--blue-2);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
  margin: 0 0 .85rem;
}
.hero {
  text-align: center;
  color: #fff;
  padding: 5.5rem 6vw 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(37,99,235,.55), transparent 58%),
    radial-gradient(circle at 12% 70%, rgba(14,165,233,.18), transparent 28%),
    var(--black);
}
.hero h1 {
  font-size: clamp(3.4rem, 9vw, 7.6rem);
  margin: 0 auto;
  line-height: .9;
  max-width: 16ch;
}
.hero-lead {
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  color: #c7c7cc;
  max-width: 680px;
  margin: 1.25rem auto 1.7rem;
  line-height: 1.45;
}
.hero-cta { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 180px));
  justify-content: center;
  gap: 1.2rem;
  padding: 0;
  margin: 2.4rem auto 2.6rem;
}
.metrics li { text-align: center; }
.metrics b { display: block; font-size: 1.05rem; }
.metrics span { color: #8e8e93; font-size: .85rem; }
.stage {
  width: min(1100px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,.1);
  border-bottom: 0;
  border-radius: 28px 28px 0 0;
  overflow: hidden;
  background: #070b14;
  box-shadow: 0 40px 120px rgba(37,99,235,.22);
}
.stage img, .shot {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
}
.stage-light {
  border: 1px solid rgba(15,23,42,.08);
  border-radius: 24px;
  margin-top: 2rem;
  box-shadow: 0 24px 70px rgba(15,23,42,.12);
}
.stage-light img { border-radius: 0; }
.strip {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: .7rem;
  padding: 1.4rem 6vw 2.2rem;
  background: var(--black);
}
.strip img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 18px;
  background: #fff;
}
.section { padding: 6.2rem 6vw; }
.section h2 {
  font-size: clamp(2.3rem, 5.6vw, 4.4rem);
  margin: 0 0 1rem;
  line-height: 1.02;
  max-width: 16ch;
}
.section h3 { font-size: 1.35rem; margin: 0 0 .5rem; }
.section .lead { font-size: 1.18rem; color: var(--muted); max-width: 680px; line-height: 1.55; }
.dark { background: var(--black); color: #f5f5f7; }
.dark .lead { color: #a1a1a6; }
.light { background: var(--paper); color: var(--ink); }
.paper { background: #fff; color: var(--ink); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-top: 2.6rem; }
.mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .7rem;
}
.mosaic img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 20px;
  background: #fff;
}
.receipt {
  background: #fff;
  color: #111;
  border-radius: 28px;
  padding: 1.6rem 1.5rem 1.2rem;
  box-shadow: 0 24px 70px rgba(0,0,0,.28);
}
.receipt-no { font-size: 2.1rem; font-weight: 800; letter-spacing: -.04em; margin: .3rem 0 1rem; text-align: center; }
.brand-mark { width: auto; max-width: 160px; height: 48px; object-fit: contain; margin: 0 auto .4rem; }
.row { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid #eee; }
.row span { color: #6e6e73; }
.grid-3, .grid-4 { display: grid; gap: 1rem; margin-top: 2rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff;
  border-radius: 22px;
  padding: 1.35rem 1.3rem 1.4rem;
  min-height: 168px;
  border: 1px solid rgba(15,23,42,.05);
}
.paper .card { background: var(--paper); }
.dark .card { background: #111318; border-color: rgba(255,255,255,.06); }
.card p, .spec p { color: var(--muted); margin: 0; line-height: 1.5; }
.dark .card p { color: #a1a1a6; }
.shot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 2.2rem 0 0;
}
.shot-pair figure {
  margin: 0;
  background: #0b0d12;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  overflow: hidden;
}
.shot-pair .shot { aspect-ratio: 16 / 10; border-radius: 0; }
.shot-pair figcaption {
  padding: .7rem 1rem 1rem;
  color: #a1a1a6;
  font-weight: 700;
  font-size: .9rem;
}
.browser {
  display: flex;
  gap: .35rem;
  padding: .7rem 1rem .2rem;
}
.browser span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3f3f46;
}
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 0;
  margin: 2.4rem 0 0;
}
.steps li {
  background: var(--paper);
  border-radius: 22px;
  padding: 1.4rem;
}
.steps span {
  display: block;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: .7rem;
}
.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 2rem; margin-top: 1.4rem; }
.spec { padding: 1.25rem 0; border-top: 1px solid #d2d2d7; }
.spec h3 { font-size: 1.15rem; }
.faq { max-width: 820px; margin-top: 1.6rem; }
.faq details {
  border-top: 1px solid #e5e7eb;
  padding: 1.05rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 1.12rem;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--muted); margin: .6rem 0 0; max-width: 62ch; }
.contact-box { font-size: 1.22rem; line-height: 1.75; font-style: normal; }
.contact-box a { text-decoration: none; }
.contact-box a:hover { color: var(--blue-2); }
.foot {
  margin-top: auto;
  padding: 2.2rem 6vw 2.6rem;
  color: #86868b;
  background: var(--black);
  border-top: 1px solid #1d1d1f;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.foot nav { display: flex; gap: 1.1rem; }
.foot a { text-decoration: none; }
.foot .nav-brand img { height: 34px; }
@media (max-width: 900px) {
  .split, .grid-3, .grid-4, .specs, .steps, .shot-pair, .metrics { grid-template-columns: 1fr 1fr; }
  .strip { grid-template-columns: repeat(4, 1fr); }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding-top: 4rem; }
}
@media (max-width: 640px) {
  .split, .grid-3, .grid-4, .specs, .steps, .shot-pair, .metrics, .foot-row { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .foot-row { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}