:root {
  color-scheme: dark;
  --bg: #06111a;
  --card: #0b1d29;
  --line: #1c3a4a;
  --text: #eef7fa;
  --muted: #aac0ca;
  --accent: #ff9a3c;
  --green: #2ed18b;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: linear-gradient(180deg, #071923, var(--bg));
  color: var(--text);
  font:
    16px/1.75 Montserrat,
    Arial,
    sans-serif;
}
a {
  color: #ffd0a5;
}
.wrap {
  width: min(900px, calc(100% - 32px));
  margin: auto;
}
.top {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  width: 145px;
  height: auto;
}
.back {
  text-decoration: none;
  font-weight: 700;
}
.hero {
  padding: 54px 0 28px;
}
.eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1 {
  max-width: 820px;
  margin: 8px 0 14px;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.08;
}
h2 {
  margin-top: 38px;
  font-size: 1.65rem;
  line-height: 1.25;
}
h3 {
  margin-top: 25px;
}
.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.1rem;
}
.facts,
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.fact,
.card,
.answer {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}
.fact strong {
  display: block;
  color: var(--accent);
  font-size: 1.05rem;
}
.fact span,
.card p {
  color: var(--muted);
}
.toc {
  padding: 18px 22px;
  border-left: 4px solid var(--accent);
  background: var(--card);
  border-radius: 10px;
}
.toc a {
  display: block;
  margin: 5px 0;
}
.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 38px 0;
  padding: 16px 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff8a3d, #ffb25e);
  color: #07131c;
  text-decoration: none;
  font-weight: 900;
  text-align: center;
}
.tip {
  padding: 16px 18px;
  border: 1px solid rgba(46, 209, 139, 0.4);
  border-radius: 12px;
  background: rgba(46, 209, 139, 0.08);
}
footer {
  margin-top: 54px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}
.updated {
  color: var(--muted);
  font-size: 0.82rem;
}
.reviewed {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.reviewed b { color: var(--text); }
.guide-photo { margin: 10px 0 30px; }
.guide-photo img {
  display: block;
  width: 100%;
  max-height: 470px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.guide-photo figcaption { margin-top: 7px; color: var(--muted); font-size: 0.78rem; }
.faq details {
  margin: 10px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.faq summary { cursor: pointer; font-weight: 800; }
@media (max-width: 600px) {
  body {
    font-size: 15px;
  }
  .hero {
    padding-top: 36px;
  }
  .top .back {
    font-size: 0.78rem;
  }
  .facts {
    grid-template-columns: 1fr 1fr;
  }
  .fact {
    padding: 14px;
  }
  .reviewed {
    display: block;
    line-height: 1.65;
  }
  .reviewed b {
    display: inline;
  }
}
@media (max-width: 420px) {
  .top .wrap { flex-wrap: wrap; }
  .facts, .cards { grid-template-columns: minmax(0, 1fr); }
  h1 { font-size: 1.9rem; overflow-wrap: anywhere; }
  .cta { padding-inline: 14px; }
}