/* finis-tr.ru - гайд по личным финансам. Светлая/тёмная тема, без внешних зависимостей. */

:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --ink: #16181d;
  --ink-soft: #5b6068;
  --line: #e3e4e1;
  --accent: #1f5f4f;
  --accent-ink: #ffffff;
  --radius: 14px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --surface: #191c1f;
    --ink: #eceeec;
    --ink-soft: #a2a8ad;
    --line: #2b2f33;
    --accent: #4fb99b;
    --accent-ink: #0d1210;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- шапка ---------- */
.top {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}
.brand {
  font-weight: 640;
  letter-spacing: -0.01em;
  text-decoration: none;
  font-size: 16px;
  white-space: nowrap;
}
.brand span { color: var(--ink-soft); font-weight: 450; }
.top nav {
  display: flex;
  gap: 26px;
  font-size: 15px;
  white-space: nowrap;
}
.top nav a { color: var(--ink-soft); text-decoration: none; }
.top nav a:hover { color: var(--ink); }
@media (max-width: 720px) { .top nav { display: none; } }

/* ---------- герой ---------- */
.hero { padding: 76px 0 64px; }
.hero .grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  font-weight: 660;
}
.hero p.lead {
  font-size: 19px;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 46ch;
}
.cta-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .12s ease, filter .12s ease;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.price-note { color: var(--ink-soft); font-size: 15px; }

/* обложка продукта */
.cover {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px 34px;
  aspect-ratio: 3 / 4;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 22px 50px rgba(22, 24, 29, .07);
}
@media (prefers-color-scheme: dark) {
  .cover { box-shadow: 0 22px 50px rgba(0, 0, 0, .38); }
}
.cover .kind {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.cover .title {
  font-size: 27px;
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 640;
}
.cover .rule { height: 2px; background: var(--accent); width: 54px; margin: 22px 0 0; }
.cover .who { font-size: 14px; color: var(--ink-soft); }
.cover .title { margin-top: 26px; }
.cover .toc {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: decimal;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.cover .toc li { margin-bottom: 7px; padding-left: 2px; }
.cover .toc li::marker { color: var(--accent); font-variant-numeric: tabular-nums; }

@media (max-width: 860px) {
  .hero { padding: 48px 0 40px; }
  .hero .grid { grid-template-columns: 1fr; gap: 40px; }
  .cover { aspect-ratio: auto; padding: 32px 28px; }
}

/* ---------- секции ---------- */
section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 14px;
  font-weight: 640;
}
.sub { color: var(--ink-soft); margin: 0 0 34px; max-width: 62ch; }
h3 { font-size: 18px; margin: 0 0 8px; font-weight: 620; letter-spacing: -0.01em; }
p { margin: 0 0 16px; }

/* содержание гайда */
.chapters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 44px; }
.chapters article { padding-top: 18px; border-top: 1px solid var(--line); }
.chapters .num {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 640;
  font-size: 14px;
  display: block;
  margin-bottom: 6px;
}
.chapters p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }
@media (max-width: 760px) { .chapters { grid-template-columns: 1fr; gap: 22px; } }

/* кому подойдёт */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.fit .box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 20px;
}
.fit ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.fit li { margin-bottom: 8px; }
@media (max-width: 760px) { .fit { grid-template-columns: 1fr; } }

/* автор */
.author { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.author .stat { border-top: 1px solid var(--line); padding-top: 16px; margin-bottom: 22px; }
.author .stat b { display: block; font-size: 26px; font-weight: 640; letter-spacing: -0.02em; }
.author .stat span { color: var(--ink-soft); font-size: 15px; }
@media (max-width: 860px) { .author { grid-template-columns: 1fr; gap: 28px; } }

/* заказ */
.order {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 38px 34px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.order .amount { font-size: 40px; font-weight: 660; letter-spacing: -0.03em; line-height: 1; }
.order .amount small { font-size: 16px; font-weight: 450; color: var(--ink-soft); display: block; margin-top: 10px; letter-spacing: 0; }
.order ul { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 15.5px; }
.order li { margin-bottom: 7px; }
@media (max-width: 760px) { .order { grid-template-columns: 1fr; gap: 26px; padding: 30px 24px; } }

/* вопросы */
details {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--ink-soft); font-weight: 400; }
details[open] summary::after { content: "\2212"; }
details p { color: var(--ink-soft); margin: 12px 0 0; max-width: 68ch; }

/* ---------- подвал ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 60px;
  font-size: 15px;
  color: var(--ink-soft);
}
footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
footer h4 { font-size: 14px; color: var(--ink); margin: 0 0 12px; font-weight: 620; }
footer a { color: var(--ink-soft); text-decoration: none; display: block; margin-bottom: 8px; }
footer a:hover { color: var(--ink); text-decoration: underline; }
footer .legal { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 14px; }
@media (max-width: 760px) { footer .cols { grid-template-columns: 1fr; gap: 26px; } }

/* ---------- правовые страницы ---------- */
.doc { padding: 56px 0 72px; }
.doc h1 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.02em; margin: 0 0 8px; font-weight: 660; }
.doc .updated { color: var(--ink-soft); font-size: 15px; margin-bottom: 36px; }
.doc h2 { font-size: 20px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--ink); }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc .req { border-collapse: collapse; width: 100%; margin-top: 8px; }
.doc .req td { border-bottom: 1px solid var(--line); padding: 11px 0; vertical-align: top; }
.doc .req td:first-child { color: var(--ink-soft); width: 40%; padding-right: 20px; }
.back { display: inline-block; margin-bottom: 26px; color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.back:hover { color: var(--ink); }