:root {
  --bg: #0f1013; --bg2: #16171c; --card: #1c1d23; --line: #2a2b33; --text: #ececf1; --muted: #a1a1b0;
  --teal: #2dd4bf; --orange: #ff9800; --radius: 20px; --wrap: 1140px;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--sans); }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
img, video { max-width: 100%; display: block; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.top nav { display: flex; gap: 22px; align-items: center; }
.top nav a { color: var(--muted); font-size: 15px; }
.top nav a:hover { color: var(--text); text-decoration: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 14px; font-weight: 650;
  border: 1px solid var(--line); background: var(--card); color: var(--text); font-size: 15px; }
.btn:hover { text-decoration: none; border-color: #3a3b45; }
.btn.primary { background: var(--teal); color: #052a26; border-color: transparent; }
.btn .sub { display: block; font-size: 11px; font-weight: 500; opacity: .75; line-height: 1.1; }
.btn .lines { display: flex; flex-direction: column; text-align: left; line-height: 1.15; }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn[aria-disabled="true"] { opacity: .7; cursor: default; }

/* hero */
.hero { padding: 64px 0 30px; text-align: center; }
.hero .logo { width: 132px; margin: 0 auto 14px; }
.eyebrow { color: var(--teal); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }
h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.05; margin: 10px 0 14px; letter-spacing: -.02em; }
h1 .grad { background: linear-gradient(90deg, var(--teal), var(--orange)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 20px; max-width: 720px; margin: 0 auto; }
.badges { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 28px 0 8px; }
.note { color: var(--muted); font-size: 14px; }

/* videos */
.screen { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #000;
  box-shadow: 0 30px 80px rgba(0,0,0,.55); }
.screen video { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.hero .screen { margin-top: 36px; }

/* sections */
section.feature { padding: 70px 0; }
.feature .row { display: grid; grid-template-columns: 1fr 1.35fr; gap: 48px; align-items: center; }
.feature.flip .row { grid-template-columns: 1.35fr 1fr; }
.feature.flip .text { order: 2; }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; margin: 8px 0 14px; letter-spacing: -.01em; }
.text p { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 16px 0 0; }
.checks li { padding-left: 30px; position: relative; margin: 8px 0; }
.checks li::before { content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23052a26' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 13px no-repeat; }

.phones { padding: 60px 0 30px; }
.phones .strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; }
.phones img { border-radius: 26px; border: 1px solid var(--line); width: 100%; height: auto; }
.phones .dots { display: none; }
.center { text-align: center; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); margin: 0 0 16px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.band { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.cta { padding: 80px 0; text-align: center; }

footer { padding: 34px 0 50px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 26px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* simple pages */
.page { padding: 50px 0 70px; max-width: 820px; }
.page h1 { font-size: clamp(30px, 4.5vw, 44px); }
.page h2 { font-size: 22px; margin-top: 34px; }
.page p, .page li { color: #cfcfd8; }
.page ul { padding-left: 22px; }

@media (max-width: 860px) {
  .feature .row, .feature.flip .row { grid-template-columns: 1fr; gap: 26px; }
  .feature.flip .text { order: 0; }
  .grid3 { grid-template-columns: 1fr; }
  .top nav a.hide-sm { display: none; }
  section.feature { padding: 50px 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 32px); }
  .top nav { gap: 14px; }
  .top nav a { font-size: 14px; }
  .top .btn { padding: 8px 14px; }
  .hero { padding: 36px 0 20px; }
  .hero .logo { width: 96px; }
  h1 br { display: none; }
  .lead { font-size: 17px; }
  .badges .btn { flex: 1 1 100%; justify-content: center; }
  .cta .badges .btn { flex: 1 1 100%; }
  .screen { border-radius: 14px; }
  /* one phone at a time, swipe for the next */
  .phones .strip { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 0; scrollbar-width: none;
    -webkit-overflow-scrolling: touch; }
  .phones .strip::-webkit-scrollbar { display: none; }
  .phones .strip img { flex: 0 0 auto; width: 68%; margin: 0 16%; scroll-snap-align: center; border-radius: 22px; }
  .phones .dots { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
  .phones .dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); cursor: pointer; transition: all .2s; }
  .phones .dots i.on { background: var(--teal); width: 22px; border-radius: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }