:root {
  --brand: #1565c0;
  --brand-strong: #0d47a1;
  --brand-soft: #e3edfb;
  --ink: #14202e;
  --ink-soft: #4a5868;
  --line: #dde4ec;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --ok: #2e7d32;
  --bad: #c62828;
  --radius: 14px;
  --wrap: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #64a8f5;
    --brand-strong: #90c2ff;
    --brand-soft: #16263b;
    --ink: #e7edf4;
    --ink-soft: #a5b3c2;
    --line: #26323f;
    --bg: #0e141b;
    --bg-alt: #131b24;
    --ok: #81c784;
    --bad: #ef9a9a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand); }
a:hover { color: var(--brand-strong); }

img, svg { max-width: 100%; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 20px; font-size: 15px; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .lang {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 10px;
  font-weight: 600;
}
@media (max-width: 720px) {
  .nav a:not(.lang) { display: none; }
}

/* Hero */
.hero { padding: 64px 0 56px; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.12;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero p.lead { font-size: 19px; color: var(--ink-soft); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-strong); color: #fff; }
@media (prefers-color-scheme: dark) {
  .btn-primary, .btn-primary:hover { color: #0b1724; }
}
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink-soft); color: var(--ink); }
.note { font-size: 14px; color: var(--ink-soft); margin-top: 14px; }

/* Phone mock-up of the app's home screen */
.phone {
  width: 280px;
  max-width: 100%;
  margin: 0 auto;
  border: 10px solid #1d2733;
  border-radius: 36px;
  background: #fff;
  color: #14202e;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.4;
}
.phone .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 14px 10px;
  font-weight: 700;
  font-size: 15px;
}
.phone .bar img { width: 22px; height: 22px; }
.phone .status {
  margin: 4px 12px 12px;
  padding: 14px;
  border-radius: 14px;
  background: #d6e4ff;
  color: #0b3060;
  display: flex;
  gap: 10px;
  align-items: center;
}
.phone .status svg { flex: none; width: 34px; height: 34px; }
.phone .status b { display: block; font-size: 14px; }
.phone .sect { margin: 0 12px 6px; font-weight: 600; font-size: 12px; color: #4a5868; }
.phone .card {
  margin: 0 12px 12px;
  border: 1px solid #e3e8ee;
  border-radius: 12px;
  padding: 4px 0;
}
.phone .opt { display: flex; align-items: center; gap: 10px; padding: 8px 12px; }
.phone .radio {
  width: 16px; height: 16px; flex: none;
  border-radius: 50%;
  border: 2px solid #8a97a6;
}
.phone .radio.on { border-color: #1565c0; box-shadow: inset 0 0 0 3px #fff; background: #1565c0; }
.phone .tabs {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid #e3e8ee;
  padding: 10px 0 12px;
  font-size: 11px;
  color: #4a5868;
}
.phone .tabs span.on { color: #1565c0; font-weight: 700; }

@media (max-width: 860px) {
  .hero { padding: 40px 0; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
}

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section h2 { font-size: clamp(26px, 3.4vw, 34px); margin: 0 0 10px; letter-spacing: -0.01em; }
section .sub { color: var(--ink-soft); margin: 0 0 36px; max-width: 40em; }

.modes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.mode { background: var(--bg); padding: 26px 26px 24px; }
section.alt .mode { background: var(--bg); }
.mode h3 { margin: 0 0 6px; font-size: 19px; }
.mode p { margin: 0; color: var(--ink-soft); }
.mode .who { margin-top: 12px; font-size: 14px; }
.mode .who .y { color: var(--ok); font-weight: 600; }
.mode .who .n { color: var(--bad); font-weight: 600; }
@media (max-width: 720px) { .modes { grid-template-columns: 1fr; } }

.list { display: grid; gap: 28px; grid-template-columns: repeat(3, 1fr); }
.list h3 { font-size: 18px; margin: 0 0 6px; }
.list p { margin: 0; color: var(--ink-soft); }
@media (max-width: 860px) { .list { grid-template-columns: 1fr; gap: 22px; } }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; max-width: 760px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.steps li::before {
  content: counter(s);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-weight: 700;
  display: grid;
  place-items: center;
}
.steps b { display: block; }
.steps span { color: var(--ink-soft); }

.privacy-box {
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 24px 26px;
  max-width: 760px;
  background: var(--bg);
}
.privacy-box ul { margin: 12px 0 0; padding-left: 20px; }
.privacy-box li { margin: 4px 0; }

.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { font-weight: 600; cursor: pointer; list-style-position: outside; }
.faq details p { margin: 10px 0 0; color: var(--ink-soft); }

.langs { color: var(--ink-soft); max-width: 760px; }

/* Legal pages */
.legal { padding: 48px 0 64px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: clamp(28px, 4vw, 38px); margin: 0 0 6px; }
.legal .updated { color: var(--ink-soft); margin: 0 0 32px; font-size: 15px; }
.legal h2 { font-size: 22px; margin: 36px 0 8px; }
.legal h3 { font-size: 18px; margin: 24px 0 6px; }
.legal p, .legal li { color: var(--ink); }
.legal table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
.legal th, .legal td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 10px 8px 0; vertical-align: top; }
.legal hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.toc { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; font-size: 15px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 40px; font-size: 15px; color: var(--ink-soft); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer a { color: var(--ink-soft); }