:root {
  --ink: #161719;
  --muted: #6e7480;
  --soft: #f5f5f7;
  --panel: rgba(255, 255, 255, 0.76);
  --line: rgba(22, 23, 25, 0.10);
  --accent: #0a84ff;
  --accent-2: #64d2ff;
  --warm: #ff9f0a;
  --radius: 30px;
  --shadow: 0 28px 80px rgba(20, 28, 38, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(100, 210, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 88% 16%, rgba(255, 159, 10, 0.16), transparent 30rem),
    linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 52%, #ffffff 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(22px);
  background: rgba(251, 251, 253, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(22, 23, 25, 0.74);
  font-size: 14px;
}

.nav-links a:hover { color: var(--ink); }
.lang {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

main { overflow: hidden; }
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 84px 22px;
}

.hero {
  min-height: 78vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-top: 92px;
}

.hero-inner { max-width: 940px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  margin: 28px auto 18px;
  box-shadow: 0 30px 70px rgba(10, 132, 255, 0.16), 0 12px 30px rgba(0, 0, 0, 0.10);
}

h1 {
  margin: 0;
  font-size: clamp(52px, 8vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero p {
  max-width: 760px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(19px, 2.3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.cta-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}
.button.primary { background: #161719; color: #fff; }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,0.72); color: var(--ink); }
.button:hover { transform: translateY(-1px); }

.showcase {
  margin-top: 58px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
}

.device-card, .metric-card, .glass-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.device-card {
  border-radius: 42px;
  padding: 24px;
  min-height: 430px;
  position: relative;
  overflow: hidden;
}
.device-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 24% 18%, rgba(10,132,255,.18), transparent 15rem), radial-gradient(circle at 84% 18%, rgba(255,159,10,.18), transparent 16rem);
}
.phone-screen {
  position: relative;
  border-radius: 34px;
  padding: 22px;
  min-height: 382px;
  background: linear-gradient(160deg, #111827, #263341 48%, #eef2f7 49%, #fff);
  color: #fff;
  overflow: hidden;
}
.mock-toolbar { display: flex; justify-content: space-between; align-items: center; opacity: .8; font-weight: 700; }
.mock-total { margin-top: 52px; font-size: clamp(46px, 8vw, 74px); letter-spacing: -0.07em; font-weight: 800; }
.mock-label { color: rgba(255,255,255,.72); font-weight: 650; }
.mock-cards {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mock-card {
  min-height: 94px;
  border-radius: 22px;
  padding: 14px;
  background: rgba(255,255,255,.88);
  color: #1d1d1f;
  font-weight: 750;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.dot { width: 13px; height: 13px; border-radius: 99px; background: var(--accent); }
.dot.warm { background: var(--warm); }
.dot.cyan { background: var(--accent-2); }

.metric-stack { display: grid; gap: 18px; }
.metric-card { border-radius: 34px; padding: 28px; }
.metric-card strong { display: block; font-size: 42px; letter-spacing: -0.05em; }
.metric-card span { display: block; margin-top: 10px; color: var(--muted); line-height: 1.5; }

.section-title {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}
.section-title h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1;
  letter-spacing: -0.06em;
}
.section-title p { color: var(--muted); font-size: 19px; line-height: 1.55; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.glass-card { border-radius: var(--radius); padding: 30px; }
.icon-bubble {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(10,132,255,.16), rgba(100,210,255,.18));
  color: var(--accent);
  font-weight: 900;
}
.glass-card h3 { font-size: 22px; letter-spacing: -0.03em; margin: 22px 0 10px; }
.glass-card p, .glass-card li { color: var(--muted); line-height: 1.7; }
.glass-card ul { padding-left: 18px; margin-bottom: 0; }

.page-hero { padding-top: 92px; padding-bottom: 44px; text-align: center; }
.page-hero h1 { font-size: clamp(44px, 7vw, 82px); }
.page-hero p { max-width: 720px; margin: 22px auto 0; color: var(--muted); font-size: 20px; line-height: 1.55; }
.content-panel {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 34px;
  padding: clamp(24px, 5vw, 54px);
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.8);
  box-shadow: var(--shadow);
}
.content-panel h2 { margin-top: 38px; letter-spacing: -0.03em; }
.content-panel h2:first-child { margin-top: 0; }
.content-panel p, .content-panel li { color: var(--muted); line-height: 1.78; }
.content-panel ul { padding-left: 20px; }
.notice {
  margin-top: 28px;
  padding: 20px;
  border-radius: 22px;
  background: var(--soft);
  color: var(--muted);
  line-height: 1.7;
}

.footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 44px 22px 58px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; gap: 10px 14px; }
  .section { padding: 62px 18px; }
  .hero { padding-top: 64px; }
  .showcase { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .mock-cards { grid-template-columns: 1fr; }
  .mock-card { min-height: 70px; }
  .footer { flex-direction: column; }
}