:root {
  --bg: #061943;
  --bg-2: #0b2e7a;
  --card: rgba(255, 255, 255, 0.1);
  --card-border: rgba(255, 255, 255, 0.18);
  --text: #f7fbff;
  --muted: rgba(247, 251, 255, 0.72);
  --green: #a8ef00;
  --green-dark: #70b900;
  --yellow: #ffd84d;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 10%, #143fa5 0, #061943 40%, #03102b 100%);
  color: var(--text);
}

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

.page {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 28px clamp(18px, 4vw, 64px) 80px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.06) 0 12%, transparent 12% 18%, rgba(255,255,255,0.035) 18% 32%, transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(116, 185, 255, 0.3), transparent 30%);
}

.hero-bg {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.4;
  z-index: -2;
}

.hero-bg-one {
  width: 360px;
  height: 360px;
  background: var(--green);
  right: -120px;
  top: 90px;
}

.hero-bg-two {
  width: 260px;
  height: 260px;
  background: #2775ff;
  left: -90px;
  bottom: 90px;
}

.nav {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 18px;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  color: var(--muted);
  font-weight: 600;
}

.nav-button {
  padding: 11px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--card-border);
  font-weight: 700;
}

.hero-inner {
  width: min(1180px, 100%);
  margin: 88px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.9fr);
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(168, 239, 0, 0.12);
  color: #d8ff77;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.subtitle {
  max-width: 660px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.75;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 25px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--green), var(--yellow));
  color: #09214f;
  box-shadow: 0 18px 50px rgba(168, 239, 0, 0.24);
}

.secondary-button {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--card-border);
  color: var(--text);
}

.primary-button:hover,
.secondary-button:hover,
.nav-button:hover {
  transform: translateY(-2px);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 50px;
  max-width: 680px;
}

.trust-row div {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
}

.trust-row strong,
.trust-row span {
  display: block;
}

.trust-row span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.hero-card {
  display: flex;
  justify-content: center;
}

.phone-shell {
  position: relative;
  width: min(380px, 100%);
  min-height: 610px;
  padding: 34px 26px;
  border-radius: 44px;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.17), rgba(255,255,255,0.05)),
    linear-gradient(180deg, #123d9d, #071d4f);
  border: 1px solid rgba(255,255,255,0.24);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.phone-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.22;
}

.phone-top {
  position: relative;
  width: 110px;
  height: 8px;
  margin: 0 auto 42px;
  border-radius: 999px;
  background: rgba(255,255,255,0.22);
}

.phone-logo {
  position: relative;
  display: block;
  width: 170px;
  height: 170px;
  object-fit: cover;
  margin: 0 auto 28px;
  border-radius: 38px;
  box-shadow: 0 18px 46px rgba(0,0,0,0.26);
}

.status-pill {
  position: relative;
  width: fit-content;
  margin: 0 auto 22px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(168, 239, 0, 0.14);
  color: #d8ff77;
  font-weight: 800;
}

.speed-card,
.mini-grid > div {
  position: relative;
  border-radius: 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
}

.speed-card {
  padding: 22px;
}

.speed-card span,
.mini-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.speed-card strong {
  display: block;
  margin-top: 8px;
  font-size: 26px;
}

.mini-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.mini-grid > div {
  padding: 18px;
}

.mini-grid b {
  display: block;
  margin-top: 7px;
  font-size: 18px;
}

.features {
  width: min(1180px, calc(100% - 36px));
  margin: -46px auto 68px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  position: relative;
  z-index: 2;
}

.features article {
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(18px);
}

.features h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.features p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.footer {
  padding: 28px 18px 44px;
  color: rgba(247, 251, 255, 0.6);
  text-align: center;
}

@media (max-width: 880px) {
  .hero {
    min-height: auto;
    padding-bottom: 110px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    margin-top: 64px;
  }

  .hero-card {
    order: -1;
  }

  .phone-shell {
    min-height: auto;
  }

  .trust-row,
  .features {
    grid-template-columns: 1fr;
  }

  .features {
    margin-top: -70px;
  }
}

@media (max-width: 560px) {
  .nav {
    align-items: flex-start;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-link {
    display: none;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }
}