:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --ink: #101218;
  --muted: #69707d;
  --card: #ffffff;
  --line: #e2e6ef;
  --accent: #315cf6;
  --accent-soft: #e8ecff;
  --dark: #12151b;
  --success: #1c8c5a;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 72% 12%, rgba(49, 92, 246, 0.14), transparent 34%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 48%, #eef2f8 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 26px rgba(49, 92, 246, 0.26);
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.language-picker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 4px 6px 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.language-picker select {
  max-width: 132px;
  height: 30px;
  border: 0;
  border-radius: 999px;
  color: var(--ink);
  background: var(--accent-soft);
  font: inherit;
  outline: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: 44px;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  padding: 42px 0 80px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.93;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.lead {
  max-width: 590px;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.55;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 16px 34px rgba(49, 92, 246, 0.28);
}

.button.secondary {
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 520px;
  margin: 0;
  padding: 0;
  gap: 12px;
}

.metrics div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.metrics dt {
  font-size: 28px;
  font-weight: 900;
}

.metrics dd {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.phone-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 680px;
}

.phone-stage::before {
  content: "";
  position: absolute;
  width: min(100%, 520px);
  height: 520px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(49, 92, 246, 0.18), rgba(28, 140, 90, 0.1));
  filter: blur(12px);
}

.phone-shell {
  position: relative;
  width: min(78vw, 330px);
  max-height: 640px;
  overflow: hidden;
  border: 10px solid #111318;
  border-radius: 48px;
  background: #fff;
  box-shadow: var(--shadow);
}

.phone-shell img {
  display: block;
  width: 100%;
  height: auto;
}

.rate-card {
  position: absolute;
  right: 0;
  bottom: 88px;
  display: grid;
  gap: 5px;
  min-width: 172px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.16);
  backdrop-filter: blur(20px);
}

.rate-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.rate-card strong {
  font-size: 28px;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 90px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

article,
.security,
.cta {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 40px rgba(17, 24, 39, 0.06);
}

article {
  padding: 26px;
}

article p,
.security p,
.cta p {
  color: var(--muted);
  line-height: 1.6;
  font-weight: 600;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 13px;
  font-weight: 900;
}

.security {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  padding: 44px;
  background: var(--dark);
}

.security h2,
.security p {
  color: #fff;
}

.security p {
  color: #b7bfce;
}

.checklist {
  display: grid;
  gap: 12px;
  align-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  color: #edf2ff;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.cta {
  width: min(960px, calc(100% - 40px));
  margin: 50px auto 110px;
  padding: 54px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(49, 92, 246, 0.12), rgba(28, 140, 90, 0.1)),
    #fff;
}

.cta p {
  max-width: 700px;
  margin-right: auto;
  margin-left: auto;
  font-size: 18px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .nav {
    align-items: flex-start;
  }

  .hero,
  .security {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 28px;
  }

  .phone-stage {
    min-height: 560px;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .hero,
  .section,
  .nav,
  footer {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 44px;
  }

  .brand span:last-child {
    display: none;
  }

  .language-picker {
    gap: 6px;
    margin-right: 78px;
    padding-left: 10px;
    font-size: 12px;
  }

  .language-picker select {
    max-width: 104px;
  }

  .lead {
    font-size: 18px;
  }

  .metrics,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .phone-stage {
    min-height: 510px;
  }

  .phone-shell {
    width: min(88vw, 300px);
    border-radius: 42px;
  }

  .rate-card {
    right: 4px;
    bottom: 36px;
  }

  .security,
  .cta {
    padding: 28px;
    border-radius: 24px;
  }

  footer {
    flex-direction: column;
  }
}
