:root {
  --bg: #05060c;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --accent: #00bef0;
  --text: #f4f6fa;
  --text-dim: rgba(244, 246, 250, 0.62);
  --text-faint: rgba(244, 246, 250, 0.38);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "PingFang TC", "Hiragino Sans", "Apple SD Gothic Neo", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; flex-wrap: wrap; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.brand:hover { text-decoration: none; }
nav .links { display: flex; gap: 24px; font-size: 14px; align-items: center; }
nav .links a { color: var(--text-dim); }
nav .links a:hover { color: var(--text); text-decoration: none; }

/* Language switcher */
.lang { display: flex; gap: 12px; font-size: 13px; align-items: center; border-left: 1px solid var(--border); padding-left: 20px; }
.lang a { color: var(--text-faint); }
.lang a:hover { color: var(--text); text-decoration: none; }
.lang a.on { color: var(--accent); font-weight: 700; }

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 40px;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute; inset: -200px -400px auto;
  height: 720px;
  background:
    radial-gradient(ellipse 560px 420px at 38% 30%, rgba(0, 190, 240, 0.17), transparent 70%),
    radial-gradient(ellipse 480px 380px at 66% 60%, rgba(0, 190, 240, 0.09), transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero h1 {
  font-size: clamp(38px, 6.5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.sub {
  margin: 20px auto 0;
  max-width: 560px;
  font-size: 19px;
  color: var(--text-dim);
}
.hero .cta {
  margin-top: 32px;
  display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center;
}
.btn-notify {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 14px;
  background: var(--accent);
  color: #04121a;
  font-weight: 700;
  font-size: 16px;
  transition: opacity 0.15s;
}
.btn-notify:hover { opacity: 0.88; text-decoration: none; }
.btn-soon {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 26px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  font-weight: 700;
  font-size: 16px;
}
.badge-note { font-size: 13px; color: var(--text-faint); }
.hero .shots {
  margin-top: 56px;
  display: flex; justify-content: center; align-items: flex-end;
}
.phone {
  width: min(280px, 62vw);
  height: auto;
  border-radius: 32px;
  border: 6px solid #1c1f29;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 120px rgba(0, 190, 240, 0.10);
  display: block;
}

/* Sections */
section { padding: 84px 0 0; }
.kicker {
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}
h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.015em; margin-top: 10px; }
.lede { margin-top: 12px; max-width: 620px; color: var(--text-dim); font-size: 17px; }

/* Feature media rows */
.row {
  margin-top: 56px;
  display: flex; align-items: center; gap: 64px;
}
.row.rev { flex-direction: row-reverse; }
.row .copy { flex: 1; }
.row .copy .ico {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 190, 240, 0.12);
  margin-bottom: 16px;
  color: var(--accent);
}
.row .copy h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }
.row .copy p { margin-top: 10px; color: var(--text-dim); font-size: 16px; }
.row .copy ul { margin: 14px 0 0 20px; color: var(--text-dim); font-size: 15px; line-height: 1.7; }
.row .copy li { margin-top: 4px; }
.row .media { flex: 1; text-align: center; }
.shot {
  width: min(260px, 58vw);
  height: auto;
  border-radius: 28px;
  border: 5px solid #1c1f29;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 80px rgba(0, 190, 240, 0.08);
  display: inline-block;
}
.watchshot {
  width: min(200px, 55vw);
  height: auto;
  border-radius: 48px;
  border: 6px solid #1c1f29;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.5);
  display: inline-block;
}
@media (max-width: 760px) {
  .row, .row.rev { flex-direction: column; gap: 32px; }
  .row .media { order: -1; }
}

/* Support */
.support-card {
  margin-top: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  display: flex; gap: 40px; flex-wrap: wrap;
}
.support-card div { min-width: 220px; }
.support-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.support-card p { font-size: 14.5px; color: var(--text-dim); }

footer {
  margin-top: 96px;
  border-top: 1px solid var(--border);
  padding: 36px 0 48px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 13.5px; color: var(--text-faint);
}
footer .links { display: flex; gap: 20px; }