/* Лендинг SerpWatch. Стиль — Linear «midnight precision instrument» (refero):
   серая шкала, один лаймовый акцент на экран, 1px-линии вместо теней, радиус 12. */
:root {
  --sc-canvas: #08090a;
  --sc-surface: #0f1011;
  --sc-ink: #ffffff;
  --sc-ink-soft: #8a8f98;
  --sc-accent: #e4f222;
  --sc-accent-ink: #08090a;
  --sc-font-display: "Inter", system-ui, sans-serif;
  --sc-font-text: "Inter", system-ui, sans-serif;

  --l-bg: #08090a; --l-1: #0f1011; --l-2: #161718; --l-line: #23252a; --l-line-2: #383b3f;
  --l-text: #e5e5e6; --l-soft: #d0d6e0; --l-mute: #8a8f98; --l-dim: #62666d; --l-accent: #e4f222;
  --l-mono: "JetBrains Mono", ui-monospace, monospace;
}
body.lp { margin: 0; background: var(--l-bg); color: var(--l-text); font-family: var(--sc-font-text);
  font-feature-settings: "cv01", "ss03"; -webkit-font-smoothing: antialiased; }
.lp a { color: inherit; text-decoration: none; }
.lp h1, .lp h2, .lp h3 { letter-spacing: -0.022em; font-weight: 590; }
.eyebrow { font-family: var(--l-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--l-mute); margin: 0 0 14px; }

/* Кнопки: одна акцентная CTA, остальные — призрачные */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 16px;
  border-radius: 6px; background: var(--l-accent); color: #08090a !important; font-weight: 510; font-size: 14px;
  border: 0; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { box-shadow: 0 0 0 4px rgba(228, 242, 34, .15); }
.btn--ghost { background: rgba(255,255,255,.05); color: var(--l-text) !important; box-shadow: 0 0 0 1px var(--l-line) inset; }
.btn--ghost:hover { background: rgba(255,255,255,.08); box-shadow: 0 0 0 1px var(--l-line-2) inset; }
.btn--lg { height: 46px; padding: 0 22px; font-size: 15px; }

/* Шапка */
.bar { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; gap: 24px; height: 60px;
  padding: 0 max(24px, calc((100vw - 1200px) / 2)); background: rgba(8, 9, 10, .72);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.06); }
.mark { display: inline-flex; align-items: center; gap: 10px; font-weight: 590; font-size: 15px; color: #fff !important; }
.mark svg { width: 24px; height: 24px; }
.mark svg rect { fill: #161718; stroke: var(--l-line-2); }
.mark svg path { fill: none; stroke: var(--l-accent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.bar__nav { display: flex; gap: 22px; flex: 1; font-size: 14px; color: var(--l-mute); }
.bar__nav a:hover, .bar__login:hover { color: #fff; }
.bar__login { font-size: 14px; color: var(--l-soft); }

/* 1 · Обложка */
/* position не задаём: .sc-stage обязан остаться sticky */
.hero__art { position: absolute; inset: 0; }
.hero__art img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
  transform: scale(calc(1.18 - var(--sc-p, 0) * .18)) translateY(calc(var(--sc-p, 0) * -3%));
  filter: brightness(calc(.9 - var(--sc-p, 0) * .35)); will-change: transform; }
.hero__copy { position: absolute; left: max(24px, calc((100vw - 1200px) / 2)); top: 50%; transform: translateY(-46%);
  max-width: 640px; z-index: 2; }
.hero__copy h1 { color: #fff; margin: 0 0 20px; }
.hero__copy .sc-lede { color: var(--l-soft); max-width: 520px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 14px; }
.hero__note { font-size: 13px; color: var(--l-dim); margin: 0; }

/* 2 · Боль */

.pain__art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(.35) brightness(calc(.55 - var(--sc-p, 0) * .25));
  transform: scale(calc(1.05 + var(--sc-p, 0) * .08)); }
.pain__lines { position: absolute; left: max(24px, calc((100vw - 1200px) / 2)); right: 24px; bottom: 14vh; z-index: 2; max-width: 720px; }
.pain__line, .pain__turn { position: absolute; bottom: 0; left: 0; margin: 0; font-size: clamp(22px, 3vw, 34px);
  line-height: 1.3; color: var(--l-soft); letter-spacing: -0.015em; }
.pain__line b { color: #fff; font-weight: 590; }
.pain__turn { color: var(--l-accent); font-weight: 590; }
.pain .sc-label { position: absolute; bottom: calc(100% + 150px); left: 0; color: var(--l-mute); }

/* 3 · Для кого */
.who { padding: 120px 0; }
.who__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.who__art { margin: 0; border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 1px var(--l-line); }
.who__art img { display: block; width: 100%; height: auto; }
.who__list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 16px; }
.who__list li { padding: 16px 18px; border-radius: 12px; background: var(--l-1); box-shadow: 0 0 0 1px var(--l-line) inset;
  color: var(--l-mute); font-size: 15px; line-height: 1.55; }
.who__list b { color: #fff; font-weight: 510; }

/* 4 · Лента возможностей */
.feat .rail { display: flex; align-items: center; gap: 20px; height: 100%; padding: 0 max(24px, calc((100vw - 1200px) / 2)); }
.rail__lead { flex: 0 0 min(380px, 80vw); }
.rail__lead h2 { color: #fff; }
.card { flex: 0 0 300px; padding: 20px; border-radius: 12px; background: var(--l-1); box-shadow: 0 0 0 1px var(--l-line) inset; }
.card h3 { margin: 16px 0 6px; font-size: 17px; color: #fff; }
.card p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--l-mute); }
.card__viz { height: 130px; border-radius: 8px; background: var(--l-bg); box-shadow: 0 0 0 1px var(--l-line) inset;
  display: grid; place-items: center; padding: 8px; }
.card__viz svg { width: 100%; height: 100%; overflow: visible; }
.card__viz .grid path, .card__viz .links path { stroke: var(--l-line); stroke-width: 1; fill: none; }
.card__viz .line { fill: none; stroke: var(--l-accent); stroke-width: 2.5; stroke-linecap: round;
  stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw 2.4s ease forwards .3s; }
.card__viz .line2 { fill: none; stroke: var(--l-dim); stroke-width: 1.5; stroke-dasharray: 4 5; }
.card__viz .area { fill: rgba(228, 242, 34, .08); }
.card__viz .dot, .card__viz .hot { fill: var(--l-accent); }
.card__viz .bars rect, .card__viz .rows rect, .card__viz .nodes circle { fill: var(--l-2); stroke: var(--l-line-2); }
.card__viz .bars rect.hot, .card__viz .rows rect.hot, .card__viz .nodes circle.hot { fill: var(--l-accent); stroke: none; }
.card__viz .arrow { stroke: var(--l-accent); stroke-width: 2; fill: none; stroke-linecap: round; animation: bob 1.8s ease-in-out infinite; }
.card__viz .ring-bg { fill: none; stroke: var(--l-2); stroke-width: 9; }
.card__viz .ring { fill: none; stroke: var(--l-accent); stroke-width: 9; stroke-linecap: round; transform: rotate(-90deg); transform-origin: 60px 60px; }
.card__viz .score { fill: #fff; font: 600 22px var(--sc-font-text); text-anchor: middle; }
.card__viz .doc { fill: var(--l-1); stroke: var(--l-line-2); }
.card__viz .plane { fill: var(--l-accent); }
.dot { animation: pulse 2s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes bob { 50% { transform: translateY(-4px); } }
@keyframes pulse { 50% { transform: scale(1.5); opacity: .6; } }

/* 5 · Обещание */

.promise__art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
  filter: brightness(calc(.5 + var(--sc-p, 0) * .35)); transform: scale(calc(1.12 - var(--sc-p, 0) * .12)); }
.promise__copy { position: absolute; left: max(24px, calc((100vw - 1200px) / 2)); top: 50%; transform: translateY(-50%); z-index: 2; max-width: 560px; }
.promise__copy h2 { color: #fff; margin: 0 0 32px; }
.nums { display: grid; gap: 14px; }
.num { display: flex; align-items: baseline; gap: 14px; padding: 14px 18px; border-radius: 12px;
  background: rgba(8, 9, 10, .6); backdrop-filter: blur(10px); box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset; }
.num b { font-size: 34px; font-weight: 590; color: var(--l-accent); letter-spacing: -0.03em; min-width: 132px; font-variant-numeric: tabular-nums; }
.num span:last-child { color: var(--l-soft); font-size: 15px; }

/* 6 · Сравнение */
.compare, .pricing, .faq { padding: 120px 0; }
.table-wrap { overflow-x: auto; margin-top: 32px; border-radius: 12px; box-shadow: 0 0 0 1px var(--l-line) inset; }
.cmp { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
.cmp th, .cmp td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--l-line); color: var(--l-mute); }
.cmp th { font-weight: 510; color: var(--l-soft); background: var(--l-1); }
.cmp td:first-child { color: var(--l-soft); }
.cmp .us { color: #fff; }
.cmp th.us { color: var(--l-accent); }
.cmp tr:last-child td { border-bottom: 0; }
.fine { font-size: 13px; color: var(--l-dim); margin-top: 16px; }

/* 7 · Тарифы */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.plan { position: relative; display: flex; flex-direction: column; padding: 24px; border-radius: 12px; background: var(--l-1);
  box-shadow: 0 0 0 1px var(--l-line) inset; overflow: hidden; }
.plan--hot { box-shadow: 0 0 0 1px var(--l-accent) inset; }
.plan__tag { position: absolute; top: 16px; right: 16px; font: 500 11px var(--l-mono); padding: 3px 8px; border-radius: 999px;
  background: var(--l-accent); color: #08090a; }
.plan h3 { margin: 0; font-size: 17px; color: #fff; }
.plan__price { margin: 14px 0 18px; } .plan__price b { font-size: 36px; color: #fff; letter-spacing: -0.03em; }
.plan__price span { color: var(--l-mute); margin-left: 6px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 9px; font-size: 14px; color: var(--l-mute); flex: 1; }
.plan li::before { content: "—"; color: var(--l-dim); margin-right: 8px; }

/* 8 · Вопросы */
.faq__wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; }
.faq__list details { border-bottom: 1px solid var(--l-line); padding: 18px 0; }
.faq__list summary { cursor: pointer; list-style: none; font-size: 17px; color: #fff; display: flex; justify-content: space-between; gap: 16px; }
.faq__list summary::after { content: "+"; color: var(--l-mute); transition: transform .2s; }
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__list p { color: var(--l-mute); line-height: 1.6; margin: 12px 0 0; }

/* 9 · Финал */
.close { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
  background: radial-gradient(60% 50% at 50% 45%, rgba(228, 242, 34, .08), transparent 70%); }
.close__inner { max-width: 760px; padding: 0 24px; display: grid; justify-items: center; gap: 18px; }
.close h2 { color: #fff; margin: 0; }
.foot { position: absolute; bottom: 24px; left: 0; right: 0; display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  font-size: 13px; color: var(--l-dim); padding: 0 24px; }

@media (max-width: 900px) {
  .bar__nav { display: none; }
  .bar { gap: 14px; justify-content: space-between; }
  .bar__login { margin-left: auto; }
  .who__grid, .faq__wrap { grid-template-columns: 1fr; gap: 36px; }
  .plans { grid-template-columns: 1fr; }
  .card { flex-basis: 260px; }
  .hero__copy { right: 16px; left: 16px; transform: translateY(-40%); }
  .promise__copy { right: 16px; left: 16px; }
  .num b { font-size: 26px; min-width: 100px; }
  .pain__lines { left: 16px; right: 16px; }
}
@media (max-width: 480px) {
  .bar .btn { height: 34px; padding: 0 12px; font-size: 13px; }
  .hero__cta .btn { width: 100%; }
}

/* Типографическая шкала под плотный data-SaaS: крупно, но не плакатно (Linear: 48–72px) */
body.lp {
  --sc-t-4xl: clamp(40px, 5.2vw, 72px);
  --sc-t-3xl: clamp(32px, 3.8vw, 52px);
  --sc-t-2xl: clamp(26px, 2.8vw, 38px);
  --sc-t-lg: clamp(16px, 1.25vw, 19px);
}
.hero__copy h1, .close h2, .promise__copy h2 { line-height: 1.05; }

/* Обложка: заголовок в две строки, объект уходит вправо, CTA — на первом экране */
.hero__copy { max-width: 820px; top: 50%; }
.hero__copy h1 { font-size: clamp(38px, 4.6vw, 66px); }
.hero__art img { transform: translateX(14%) scale(calc(1.12 - var(--sc-p, 0) * .12)) translateY(calc(var(--sc-p, 0) * -3%)); }
@media (max-width: 900px) {
  .hero__copy { top: auto; bottom: 6vh; transform: none; }
  .hero__art img { transform: translateX(0) scale(calc(1.1 - var(--sc-p, 0) * .1)); object-position: 60% 30%; }
}