:root {
  --ink: #0b0b0c;
  --ink-2: #3a3f47;
  --muted: #6b7280;
  --line: #e7edf3;
  --blue: #00b2ec;
  --blue-d: #0096c9;
  --blue-soft: #e8f7fd;
  --tint: #f4f9fc;
  --amber: #f59e0b;
  --radius: 24px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 10px 30px rgba(16, 40, 70, .08);
  --shadow-lg: 0 30px 80px rgba(16, 40, 70, .16);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
html, body { margin: 0; background: #fff; color: var(--ink); }
body { font: 400 16px/1.6 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
.wrap { width: min(1160px, 100% - 40px); margin: 0 auto; }
.wrap.narrow { width: min(760px, 100% - 40px); }
svg { flex: none; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 14px; font-weight: 600; font-size: 15px; transition: transform .15s, background .2s, box-shadow .2s; white-space: nowrap; }
.btn:active { transform: scale(.98); }
.btn.sm { height: 38px; padding: 0 16px; border-radius: 11px; font-size: 14px; }
.btn.lg { height: 54px; padding: 0 28px; border-radius: 16px; font-size: 16px; }
.btn.blue { background: var(--blue); color: #fff; box-shadow: 0 8px 22px rgba(0, 178, 236, .32); }
.btn.blue:hover { background: var(--blue-d); }
.btn.ghost { background: #fff; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1.5px #cfdbe6; }
.btn.white { background: #fff; color: var(--ink); }
.btn.white:hover { box-shadow: 0 10px 30px rgba(0, 0, 0, .15); }
.link { color: var(--blue-d); font-weight: 600; }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .82); backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px); transition: box-shadow .2s; }
.nav.scrolled { box-shadow: 0 1px 0 var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.brand img { height: 17px; }
.pos { display: inline-block; padding: 2px 7px; border-radius: 6px; background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .5px; line-height: 1.4; }
.links { display: flex; gap: 26px; margin-left: 12px; }
.links a { font-size: 14.5px; color: var(--ink-2); font-weight: 500; transition: color .15s; }
.links a:hover { color: var(--blue-d); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.nav-cta .txt { font-size: 14.5px; font-weight: 500; color: var(--ink-2); }
.lang { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border-radius: 99px; background: var(--tint); font-size: 12.5px; font-weight: 500; color: var(--ink-2); white-space: nowrap; transition: background .15s; }
.lang:hover { background: #e3ebf3; }
.lang svg { width: 16px; height: 16px; color: var(--muted); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 70px 0 90px; background: radial-gradient(900px 520px at 85% 10%, #dff5fd 0%, rgba(255, 255, 255, 0) 70%), radial-gradient(600px 400px at 0% 100%, #f0f9fe 0%, rgba(255, 255, 255, 0) 70%); }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px 7px 10px; border-radius: 99px; background: var(--blue-soft); color: #0084b3; font-size: 13px; font-weight: 500; }
.pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(0, 178, 236, .2); }
h1 { margin: 22px 0 18px; font-size: clamp(38px, 5.4vw, 64px); line-height: 1.06; letter-spacing: -1.6px; font-weight: 700; }
h1 .soft { color: var(--blue); }
.lead { margin: 0; max-width: 520px; font-size: 18px; color: var(--ink-2); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.tiny { margin: 18px 0 0; font-size: 13px; color: var(--muted); }

.hero-art { position: relative; height: 560px; }
.photo { position: absolute; inset: 0 0 0 60px; border-radius: 32px; overflow: hidden; background: linear-gradient(150deg, #e9f8fe 0%, #cfeefb 55%, #b9e6f8 100%); box-shadow: var(--shadow); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0) 55%); pointer-events: none; }
.phone { position: absolute; left: 0; bottom: -26px; width: 248px; aspect-ratio: 390 / 844; padding: 9px; border-radius: 42px; background: #0b0b0c; box-shadow: var(--shadow-lg); }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 34px; background: #fff; padding-top: 34px; }
.phone .notch { position: absolute; top: 15px; left: 50%; transform: translateX(-50%); width: 76px; height: 22px; border-radius: 99px; background: #0b0b0c; z-index: 2; }
.float { position: absolute; display: flex; align-items: center; gap: 12px; padding: 13px 18px 13px 14px; border-radius: 18px; background: rgba(255, 255, 255, .94); backdrop-filter: blur(10px); box-shadow: var(--shadow-lg); font-size: 13px; animation: bob 6s ease-in-out infinite; }
.float b { display: block; font-weight: 600; font-size: 14px; }
.float small { color: var(--muted); }
.float .dot { width: 12px; height: 12px; border-radius: 50%; }
.float .dot.amber { background: var(--amber); box-shadow: 0 0 0 5px rgba(245, 158, 11, .18); }
.float .ico { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue-d); }
.float .ico svg { width: 20px; height: 20px; }
.f1 { top: 310px; right: -18px; }
.f2 { bottom: 34px; right: 70px; animation-delay: -3s; }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* ---------- sections ---------- */
.sec { padding: 110px 0; }
.sec.tint { background: var(--tint); }
.head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
h2 { margin: 0 0 12px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.15; letter-spacing: -.9px; font-weight: 700; }
.head p { margin: 0; color: var(--ink-2); font-size: 17px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat { padding: 30px 28px; border-radius: var(--radius); background: #fff; box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow .25s, transform .25s; }
.feat:hover { transform: translateY(-3px); box-shadow: inset 0 0 0 1px var(--line), var(--shadow); }
.fi { width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; background: linear-gradient(145deg, #e9f8fe, #d3f0fb); color: var(--blue-d); margin-bottom: 20px; }
.fi svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feat h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; letter-spacing: -.2px; }
.feat p { margin: 0; color: var(--ink-2); font-size: 15px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split.rev .split-art { order: 2; }
.split-art { position: relative; min-height: 440px; }
.split-art .photo { inset: 0 70px 0 0; }
.split-art .photo.tall { position: absolute; }
.split-art .phone.small { left: auto; right: 0; bottom: -30px; width: 210px; }
.kicker { display: inline-block; margin-bottom: 12px; color: var(--blue-d); font-weight: 600; font-size: 14px; letter-spacing: .3px; text-transform: uppercase; }
.ticks { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 16px; }
.ticks li { position: relative; padding-left: 38px; font-size: 17px; color: var(--ink-2); }
.ticks li::before { content: ''; position: absolute; left: 0; top: 2px; width: 24px; height: 24px; border-radius: 50%; background: var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230096c9' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center / 15px no-repeat; }
.muted { color: var(--ink-2); font-size: 17px; }
.tablet { position: relative; padding: 12px; border-radius: 30px; background: #0b0b0c; box-shadow: var(--shadow-lg); }
.tablet img { width: 100%; border-radius: 20px; }
.ph-fallback { position: absolute; inset: 0; display: none; place-items: center; color: #7fcfee; }
.ph-fallback svg { width: 90px; height: 90px; fill: none; stroke: currentColor; stroke-width: 1.2; }
.photo.empty .ph-fallback { display: grid; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; padding: 34px 30px; border-radius: var(--radius); background: var(--tint); }
.step .n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 20px; }
.step h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }
.step b { color: var(--blue-d); font-weight: 600; }

.demo { background: linear-gradient(120deg, #00a6dc 0%, #00b2ec 45%, #2cc3f2 100%); color: #fff; }
.demo-in { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.demo p { margin: 0 0 28px; max-width: 520px; font-size: 18px; opacity: .92; }
.qr-card { flex: none; display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 24px 24px 18px; border-radius: 28px; background: #fff; color: var(--ink); box-shadow: 0 30px 70px rgba(0, 60, 90, .25); font-weight: 600; }
#demo-qr { width: 200px; height: 200px; }
#demo-qr svg { width: 100%; height: 100%; }

details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary { list-style: none; cursor: pointer; padding: 18px 40px 18px 0; position: relative; font-weight: 600; font-size: 17px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ''; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details p { margin: 0 0 20px; color: var(--ink-2); }

.band { padding: 90px 0; background: var(--ink); color: #fff; }
.band-in { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.band h2 { margin: 0; }
.band-sub { margin: 8px 0 0; opacity: .7; }

.foot { padding: 50px 0 60px; }
.foot-in { display: grid; grid-template-columns: auto 1fr auto; gap: 14px 30px; align-items: center; }
.foot p { margin: 0; color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 22px; font-size: 14px; color: var(--ink-2); }
.foot small { grid-column: 1 / -1; color: #9aa3ad; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .float { animation: none; } }

/* ---------- phone / tablet ---------- */
@media (max-width: 960px) {
  .links { display: none; }
  .hero { padding: 40px 0 70px; }
  .hero-in, .split { grid-template-columns: 1fr; gap: 50px; }
  .split.rev .split-art { order: 0; }
  .hero-art { height: 500px; }
  .grid3, .steps { grid-template-columns: 1fr 1fr; }
  .sec { padding: 80px 0; }
}
@media (max-width: 640px) {
  .nav-in { gap: 12px; height: 60px; }
  .nav-cta { gap: 10px; }
  .nav-cta .txt { display: none; }
  .lang { padding: 0 10px; }
  .nav-cta .btn.sm { padding: 0 13px; }
  .lead { font-size: 16.5px; }
  .cta .btn { flex: 1; }
  .hero-art { height: 440px; }
  .photo { inset: 0 0 60px 40px; border-radius: 26px; }
  .phone { width: 190px; bottom: 0; border-radius: 34px; padding: 7px; }
  .phone img { border-radius: 28px; padding-top: 26px; }
  .phone .notch { top: 12px; width: 60px; height: 18px; }
  .f1 { top: 18px; right: -6px; }
  .f2 { bottom: 26px; right: 0; }
  .grid3, .steps { grid-template-columns: 1fr; }
  .split-art { min-height: 360px; }
  .split-art .photo { inset: 0 40px 30px 0; }
  .split-art .phone.small { width: 160px; bottom: -10px; }
  .demo-in { flex-direction: column; align-items: flex-start; }
  .qr-card { align-self: center; }
  .foot-in { grid-template-columns: 1fr; }
}