:root {
  --paper: #ffffff;
  --sheet: #ffffff;
  --ink: #2d2d2d;
  --muted: #6b6b6b;
  --line: #eaeaea;
  --black: #0f0f0f;
  --yellow: #ffb900;
  --chip: #fff4cc;
  --chip-ink: #0f0f0f;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Manrope, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
}
a { color: var(--ink); }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: "Golos Text", Manrope, "Segoe UI", Arial, sans-serif; font-weight: 600; letter-spacing: 0; line-height: 1.28; }
h1 { font-size: clamp(32px, 4.2vw, 46px); margin: 0 0 16px; }
h2 { font-size: clamp(26px, 3vw, 34px); margin: 0 0 12px; }
h3 { font-size: 20px; margin: 0 0 8px; font-weight: 600; }
p { margin: 0 0 12px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-row {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 650; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { color: var(--ink); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--black); }
.cabinet {
  margin-left: auto;
  text-decoration: none;
  color: #fff;
  background: var(--black);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
}
.cabinet:hover { background: var(--yellow); color: var(--black); }

.hero { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; padding: 56px 0 28px; }
.lede { font-size: 19px; color: var(--muted); max-width: 38em; }
.actions { display: flex; gap: 16px; align-items: center; margin-top: 22px; }
.btn {
  display: inline-block;
  background: var(--black);
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 650;
}
.btn:hover { background: var(--yellow); color: var(--black); }
.quiet { color: var(--muted); font-size: 14px; text-decoration: none; }

.window {
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(15, 15, 15, 0.06);
  overflow: hidden;
}
.chrome { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: #fafafa; }
.chrome i { width: 9px; height: 9px; border-radius: 50%; background: #e0e0e0; display: block; }
.panes { display: grid; grid-template-columns: 168px 1fr 190px; min-height: 320px; }
.side, .plan { padding: 14px; font-size: 13px; color: var(--muted); }
.side { border-right: 1px solid var(--line); }
.plan { border-left: 1px solid var(--line); background: #fafafa; }
.side b, .plan b { display: block; color: var(--ink); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 8px; }
.side div, .plan li { padding: 6px 0; border-bottom: 1px solid var(--line); }
.chat { padding: 16px; }
.bubble { background: #fff4cc; border-radius: 10px; padding: 10px 12px; font-size: 14px; margin-bottom: 10px; }
.reply { background: transparent; border: 1px solid var(--line); }
.tag { display: inline-block; font-size: 12px; background: var(--chip); color: var(--chip-ink); padding: 2px 7px; border-radius: 999px; }

.band { border-top: 1px solid var(--line); padding: 22px 0; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.facts strong { display: block; font-family: Manrope, "Segoe UI", Arial, sans-serif; font-size: 18px; margin-bottom: 6px; }
.facts p { color: var(--muted); font-size: 14px; }

section { padding: 54px 0; }
.kicker { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--black); margin-bottom: 8px; }
.grid-2 { display: grid; grid-template-columns: 220px 1fr; gap: 28px; }
.dirs, .tools { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.dirs article, .catalog article { padding: 14px 0; border-top: 1px solid var(--line); }
.dirs p, .catalog p, .plain { color: var(--muted); }
.catalog { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
ul.clean { margin: 0; padding-left: 18px; }
ul.clean li { margin: 6px 0; }

.person { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; margin-top: 18px; }
.person img { width: 180px; height: 220px; object-fit: cover; object-position: center 15%; border-radius: 8px; }

.steps { counter-reset: step; display: grid; gap: 0; }
.steps li { list-style: none; padding: 14px 0 14px 42px; border-top: 1px solid var(--line); position: relative; }
.steps { margin: 0; padding: 0; }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  text-align: center;
  line-height: 24px;
  font-size: 13px;
}

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.plan-card { background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 8px; }
.plan-card.main { border-color: var(--yellow); box-shadow: inset 0 3px 0 var(--yellow); }
.price { font-family: Manrope, "Segoe UI", Arial, sans-serif; font-size: 32px; font-weight: 800; margin: 4px 0; }
.plan-card ul { margin: 0 0 8px; padding-left: 18px; color: var(--muted); }
.plan-card .btn { text-align: center; margin-top: auto; }
.docs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 18px; }
.docs a { display: block; background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: inherit; }
.docs a:hover { border-color: var(--yellow); }
.docs strong { display: block; margin-bottom: 6px; }
.legal { max-width: 760px; padding: 36px 0 64px; }
.legal h1 { font-size: 36px; }
.legal h2 { font-size: 22px; margin-top: 28px; }
.channels { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.qr-card { background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: grid; grid-template-columns: 148px 1fr; gap: 16px; align-items: center; }
.qr-card img { width: 148px; height: 148px; object-fit: contain; background: white; }
footer { background: var(--black); color: #fff; }
.foot { padding: 28px 0 48px; color: rgba(255, 255, 255, 0.78); font-size: 14px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot a { color: #fff; }

.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 18px; }
.flow article { background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 14px; position: relative; }
.flow .n { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--yellow); color: var(--black); font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.flow p { color: var(--muted); font-size: 14px; }

.dir-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dir-card { background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.dir-card header { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
.ico { width: 36px; height: 36px; border-radius: 10px; background: var(--yellow); color: var(--black); display: grid; place-items: center; flex: none; }
.ico svg { width: 20px; height: 20px; }
.dir-card ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; }

.group-name { font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 18px 0 8px; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; list-style: none; margin: 0; padding: 0; }
.tiles li { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 8px; background: var(--sheet); border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.mark { min-width: 26px; height: 26px; padding: 0 4px; border-radius: 7px; background: #fff8e1; color: var(--black); display: grid; place-items: center; font-size: 11px; font-weight: 700; flex: none; }

.slider { position: relative; }
.slider-track { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; padding-bottom: 4px; }
.slider-track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 calc((100% - 32px) / 3); scroll-snap-align: start; border: 0; padding: 0; background: transparent; color: inherit; font: inherit; text-align: left; cursor: zoom-in; }
.slide img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: left top; border: 1px solid var(--line); border-radius: 12px; background: #fff; display: block; }
.slide span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.slider-btn { position: absolute; top: 70px; z-index: 2; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: #fff; font-size: 26px; line-height: 1; cursor: pointer; color: var(--black); }
.slider-btn.prev { left: -12px; }
.slider-btn.next { right: -12px; }
.slider-btn:hover { background: var(--yellow); }
.lightbox { width: min(1280px, 96vw); border: 0; padding: 16px 56px 20px; background: #0f0f0f; color: #fff; }
.lightbox::backdrop { background: rgba(15, 15, 15, 0.86); }
.lightbox figure { margin: 0; }
.lightbox img { width: 100%; max-height: 82vh; object-fit: contain; background: #fff; border-radius: 8px; }
.lightbox figcaption { margin-top: 10px; font-size: 15px; }
.lb-close, .lb-nav { position: absolute; border: 0; background: #fff; color: #0f0f0f; width: 40px; height: 40px; border-radius: 50%; font-size: 24px; cursor: pointer; }
.lb-close { top: 12px; right: 12px; }
.lb-nav.prev { left: 8px; top: 46%; }
.lb-nav.next { right: 8px; top: 46%; }

.tool-row { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; padding: 12px 0; border-top: 1px solid var(--line); }
.tool-row p { margin: 0; color: var(--muted); font-size: 15px; }

@media (max-width: 860px) {
  .nav { display: none; }
  .hero, .facts, .grid-2, .dirs, .catalog, .split, .channels, .person, .panes, .plans, .docs, .flow, .dir-list, .tiles { grid-template-columns: 1fr; }
  .slide { flex-basis: 86%; }
  .slider-btn { display: none; }
  .plan, .side { border: 0; border-top: 1px solid var(--line); }
  .hero { padding-top: 28px; }
}