:root {
  --paper: #f4ecda;
  --paper-2: #fbf7ee;
  --ink: #2d241b;
  --ink-soft: #6e5a44;
  --accent: #8c2e24;
  --accent-2: #b2462f;
  --sea: #a3bbba;
  --line: #e2d5bc;
  --radius: 14px;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "PT Sans", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: 1.35rem; }

main > section, .hero, .footer { max-width: 1120px; margin: 0 auto; padding: 56px 20px; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--ink-soft); margin: 0 0 .6em; }
.lead { font-size: 1.15rem; max-width: 34em; }
.section-lead { color: var(--ink-soft); max-width: 40em; margin-top: -.2em; }
.note { color: var(--ink-soft); font-size: .92rem; }

/* кнопки */
.btn {
  display: inline-block; padding: .8em 1.5em; border-radius: 999px;
  font-weight: 700; text-decoration: none; transition: transform .15s, background .15s;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn--ghost { border: 2px solid var(--accent); color: var(--accent); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 1.4em 0 .6em; }

/* страница маршрута */
.crumbs { max-width: 1120px; margin: 0 auto; padding: 16px 20px 0; font-size: .9rem; color: var(--ink-soft); }
.hero--route { grid-template-columns: 1.3fr 1fr; align-items: start; padding-top: 32px; }
.hero--route h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
.hero--route .route__map { max-width: 420px; }
.prose p { max-width: 46em; }
.stops__zone { margin: 36px 0 0; font-size: 1.7rem; }
.stops__list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 28px; }
.stops__list li { position: relative; padding-left: 50px; }
/* метки как на карте: мост — номер куска карты, главная — звезда, «по желанию» — кружок */
.stops__list li::before {
  content: ""; position: absolute; left: 10px; top: 8px; width: 14px; height: 14px;
  border-radius: 50%; border: 2px solid var(--ink-soft); background: var(--paper-2);
}
.stops__list li.is-main::before, .stops__list li.is-bridge::before {
  left: 0; top: 2px; width: 34px; height: 34px; border: 0; display: grid; place-items: center;
  color: #fff; font-weight: 700; background: var(--ink); content: "★";
}
.stops__list li.is-bridge::before { background: var(--accent); content: attr(data-piece); }
.stop__tag { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.stops__list li.is-bridge .stop__tag { color: var(--accent); font-weight: 700; }
.stops__list h4 { font-family: var(--serif); font-size: 1.35rem; line-height: 1.15; margin: 0 0 .2em; }
.stops__list p { margin: 0; color: var(--ink-soft); }
.stops__more { margin: 28px 0 0; max-width: 46em; font-size: 1.05rem; }
.route__map--live { margin: 0; width: 100%; max-width: 520px; }
.route__map iframe { display: block; width: 100%; height: 560px; border: 1px solid var(--line); border-radius: var(--radius); background: #ecdebc; }
.route-link { margin-top: 1em; }

/* страница политики */
.policy { max-width: 760px; margin: 0 auto; padding: 48px 20px; }
.policy h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.policy h2 { font-size: 1.6rem; margin-top: 1.4em; }
.policy li { margin-bottom: .4em; }

/* плашка открытого тестирования */
.beta-banner {
  background: #e9dcc0; border-bottom: 1px solid var(--line); color: var(--ink);
  font-size: .92rem; text-align: center; padding: 10px 16px;
}

/* первый экран */
.hero { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center; padding-top: 72px; }
.hero__map img { border-radius: var(--radius); box-shadow: 0 18px 40px rgba(60, 40, 20, .18); }

/* шаги */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; }
.steps__n {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 10px;
}
.steps p { margin: 0; color: var(--ink-soft); }

/* маршрут */
.route { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.facts { list-style: none; padding: 0; margin: 0 0 1.2em; display: flex; gap: 28px; flex-wrap: wrap; }
.facts b { display: block; font-family: var(--serif); font-size: 2rem; color: var(--accent); }
.facts span { color: var(--ink-soft); font-size: .9rem; }
.quote {
  margin: 1.4em 0; padding: 18px 22px; border-left: 4px solid var(--accent);
  background: var(--paper-2); font-family: var(--serif); font-style: italic; font-size: 1.25rem;
}
.route__map img { border-radius: var(--radius); border: 1px solid var(--line); }
figcaption { color: var(--ink-soft); font-size: .88rem; margin-top: 8px; }

/* было — стало */
.compare__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 24px; }
.ba__frame { position: relative; aspect-ratio: 3 / 2; overflow: hidden; border-radius: var(--radius); background: #ddd; --pos: 50%; }
.ba__frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba__then { clip-path: inset(0 calc(100% - var(--pos)) 0 0); filter: sepia(.25); }
.ba__frame::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: var(--pos); width: 3px;
  background: #fff; box-shadow: 0 0 6px rgba(0, 0, 0, .4); transform: translateX(-50%); pointer-events: none;
}
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba__frame::before {
  content: "было · стало"; position: absolute; left: 12px; top: 12px; z-index: 2; pointer-events: none;
  background: rgba(0, 0, 0, .55); color: #fff; font-size: .78rem; padding: 3px 10px; border-radius: 999px;
}

/* почему мы */
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.card p { margin: 0; color: var(--ink-soft); }
.martin { margin: 40px auto 0; max-width: 820px; text-align: center; }
.martin img { border-radius: var(--radius); box-shadow: 0 14px 34px rgba(60, 40, 20, .16); }

/* вопросы */
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; }
.faq details p { margin: .6em 0 0; color: var(--ink-soft); }

.soon, .thanks, .reviews { text-align: center; }
.thanks .section-lead, .reviews .section-lead { margin: 0 auto 1.2em; }
.reviews { padding-bottom: 16px; }
.thanks { padding-top: 16px; }
[hidden] { display: none !important; }
.soon .section-lead { margin: 0 auto 1.4em; }

.footer { border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .9rem; padding-top: 28px; }
.credits summary { cursor: pointer; }
.credits ul { padding-left: 1.2em; }

@media (max-width: 900px) {
  .hero, .route { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .compare__grid { grid-template-columns: 1fr; }
  .route__map { max-width: 420px; }
  .hero--route { grid-template-columns: 1fr; }
  .stops__list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  main > section, .hero, .footer { padding: 40px 16px; }
  .route__map iframe { height: 460px; }
  .steps, .why__grid { grid-template-columns: 1fr; }
}