:root {
  color-scheme: dark;
  --ink: #080a13;
  --panel: #111522;
  --panel-soft: #151a29;
  --line: rgba(255, 255, 255, .11);
  --line-strong: rgba(255, 255, 255, .19);
  --paper: #f6f3ec;
  --muted: #a7abb6;
  --coral: #ff4d7a;
  --mint: #a7f3d0;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 84% 3%, rgba(255, 77, 122, .1), transparent 25rem),
    var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 9px 13px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 19, .88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.045em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--ink);
  background: var(--coral);
  font-size: 12px;
}

.brand strong { color: var(--coral); }

.brand-logo {
  display: block;
  width: auto;
  height: 52px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--paper); }

.nav-links .language-switch {
  min-width: 42px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--paper);
  background: rgba(255,255,255,.04);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.nav-links .language-switch:hover,
.nav-links .language-switch:focus-visible {
  border-color: var(--coral);
  background: rgba(255,75,119,.12);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--coral);
  text-decoration: none;
  font-weight: 800;
}

.button:hover { background: #ff7899; }

.breadcrumbs {
  padding-top: 32px;
  color: #797f8c;
  font-size: 12px;
}

.breadcrumbs a { color: #b5b8c1; text-underline-offset: 3px; }

.hero { padding: 84px 0 96px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.22fr .78fr;
  gap: clamp(52px, 8vw, 110px);
  align-items: end;
}

.kicker {
  margin-bottom: 18px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 840px;
  margin-bottom: 25px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 7.2vw, 82px);
  font-weight: 500;
  letter-spacing: -.06em;
  line-height: .98;
}

.hero-lead {
  max-width: 760px;
  margin-bottom: 30px;
  color: #b6bac4;
  font-size: 19px;
}

.boundary {
  padding: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 77, 122, .1), transparent 55%), var(--panel);
}

.boundary strong { display: block; margin-bottom: 9px; font-size: 14px; }
.boundary p { margin: 0; color: var(--muted); font-size: 13px; }

.content-section { padding: 86px 0; border-top: 1px solid var(--line); }
.content-section.alt { background: #0b0e18; }

.section-grid {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(50px, 8vw, 110px);
}

h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(35px, 4.4vw, 54px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.section-intro { color: var(--muted); font-size: 16px; }

.points { display: grid; border-top: 1px solid var(--line); }

.point {
  padding: 25px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.point-index { color: var(--coral); font-size: 12px; font-weight: 800; }
.point h3 { margin-bottom: 7px; font-size: 21px; letter-spacing: -.025em; }
.point p { margin-bottom: 0; color: var(--muted); }

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.check {
  min-height: 126px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.check::before {
  width: 23px;
  height: 23px;
  margin-bottom: 20px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(167, 243, 208, .38);
  border-radius: 50%;
  color: var(--mint);
  content: "✓";
  font-size: 11px;
}

.check strong { font-size: 14px; line-height: 1.4; }

.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 24px 40px 24px 0; cursor: pointer; font-size: 17px; font-weight: 750; }
details p { max-width: 760px; margin: -4px 40px 24px 0; color: var(--muted); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.related-card {
  min-height: 170px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  text-decoration: none;
}

.related-card:hover { border-color: var(--line-strong); background: var(--panel-soft); }
.related-card span { display: block; margin-bottom: 30px; color: var(--coral); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.related-card strong { font-size: 18px; line-height: 1.3; }

.cta {
  margin: 78px auto;
  padding: clamp(34px, 7vw, 70px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255, 77, 122, .12), transparent 45%), var(--panel);
}

.cta h2 { max-width: 700px; margin-bottom: 10px; }
.cta p { max-width: 680px; margin-bottom: 0; color: var(--muted); }

.site-footer { padding: 42px 0; border-top: 1px solid var(--line); color: #777c88; font-size: 12px; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: #a8abb4; }

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: var(--coral);
  box-shadow: 0 14px 32px rgba(0,0,0,.3);
  text-decoration: none;
  font-size: 22px;
  font-weight: 900;
}

.back-to-top:hover,
.back-to-top:focus-visible { background: #ff7899; transform: translateY(-2px); }

@media (max-width: 860px) {
  .hero-grid, .section-grid, .cta { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.button) { display: none; }
  .nav-links a.language-switch { display: inline-flex; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .hero { padding: 58px 0 70px; }
  .content-section { padding: 68px 0; }
  .checklist, .related-grid { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
  .brand-logo { height: 44px; }
  .back-to-top { right: 16px; bottom: 16px; }
}