:root {
  --bg: #101218;
  --card: #1b1f2a;
  --card-2: #232838;
  --line: #32384a;
  --text: #f4f6fb;
  --muted: #a8b0c4;
  --yellow: #f5c400;
  --green: #2f9e44;
  --red: #e03131;
  --blue: #228be6;
  --orange: #f76707;
  --ok-bg: #16321f;
  --bad-bg: #3a1518;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { width: min(1080px, calc(100% - 28px)); margin: 0 auto; }
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(16, 18, 24, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 0;
}
.brand { display: flex; gap: 10px; align-items: center; font-weight: 800; }
.dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--yellow); box-shadow: 0 0 0 4px rgba(245, 196, 0, 0.2);
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; text-decoration: none; border: 0; cursor: pointer;
  background: var(--yellow); color: #111; font-weight: 800;
  padding: 10px 14px; border-radius: 12px; font-size: 15px;
}
.btn.ghost { background: var(--card-2); color: var(--text); border: 1px solid var(--line); }
.btn.red { background: var(--red); color: #fff; }

.hero { padding: 28px 0 8px; }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.1; margin: 0 0 10px; }
.lead { color: var(--muted); font-size: 18px; max-width: 720px; }
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 0; }
.pill {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; color: var(--muted); font-size: 14px;
}

.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 24px 0 40px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow);
}
.card a.cover { display: block; color: inherit; text-decoration: none; }
.card img.cover-img { width: 100%; height: 220px; object-fit: cover; }
.card .body { padding: 18px; }
.card h2 { margin: 0 0 8px; font-size: 24px; }
.meta { color: var(--muted); font-size: 14px; }
.kicker {
  display: inline-block; background: var(--yellow); color: #111;
  font-weight: 800; font-size: 12px; letter-spacing: .04em;
  text-transform: uppercase; padding: 4px 8px; border-radius: 8px; margin-bottom: 8px;
}

.section { padding: 8px 0 28px; }
.section h2 { font-size: 28px; margin: 0 0 12px; }
.note {
  background: #2b2410; border: 1px solid #6b5720; color: #ffe8a1;
  padding: 12px 14px; border-radius: 14px; margin: 12px 0;
}
.danger {
  background: var(--bad-bg); border: 1px solid #7a2228; color: #ffc9c9;
  padding: 12px 14px; border-radius: 14px; margin: 12px 0;
}

.photo-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.photo-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.photo-card img { width: 100%; height: 320px; object-fit: cover; }
.caption { padding: 12px 14px; color: var(--muted); font-size: 14px; }
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.spec th { color: var(--muted); font-weight: 600; width: 46%; }

.checks { display: grid; gap: 8px; }
.check {
  display: grid; grid-template-columns: 28px 1fr; gap: 10px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 12px 14px; align-items: start;
}
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--yellow); }
.check b { display: block; }
.check span { color: var(--muted); font-size: 14px; }

.fluids { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.fluid {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px;
}
.fluid .tag { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.fluid h3 { margin: 8px 0 6px; }
.fluid p { margin: 0; color: var(--muted); }
.tag.blue { color: #74c0fc; }
.tag.red { color: #ffa8a8; }
.tag.orange { color: #ffc078; }
.tag.water { color: #99e9f2; }
.tag.grey { color: #ced4da; }
.tag.none { color: #8ce99a; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ok, .bad { border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
.ok { background: var(--ok-bg); }
.bad { background: var(--bad-bg); }
.ok img, .bad img { width: 100%; height: 240px; object-fit: cover; }
.ok .pad, .bad .pad { padding: 14px; }
.ok h3 { color: #b2f2bb; margin: 0 0 8px; }
.bad h3 { color: #ffc9c9; margin: 0 0 8px; }
.ok ul, .bad ul { margin: 0; padding-left: 18px; }
.ok li, .bad li { margin: 6px 0; }

.steps { counter-reset: step; display: grid; gap: 12px; }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 14px 16px 14px 68px; position: relative;
}
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 14px; top: 14px;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--yellow); color: #111; font-weight: 900;
  display: grid; place-items: center; font-size: 18px;
}
.step h3 { margin: 0 0 6px; }
.step p { margin: 0; color: var(--muted); }

.toc {
  display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 8px;
}
.toc a {
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  text-decoration: none; padding: 8px 12px; border-radius: 999px; font-size: 14px;
}

.foot {
  border-top: 1px solid var(--line); color: var(--muted);
  padding: 24px 0 40px; font-size: 13px;
}

@media (max-width: 800px) {
  .photo-grid, .split { grid-template-columns: 1fr; }
  .photo-card img, .ok img, .bad img { height: 220px; }
  .card img.cover-img { height: 180px; }
}

@media print {
  body { background: #fff; color: #111; }
  .top, .toc, .btn, .hero .pills, .foot { display: none !important; }
  .card, .check, .fluid, .step, .ok, .bad, .note, .danger, .photo-card {
    background: #fff; color: #111; border-color: #ccc; box-shadow: none;
  }
  .check span, .fluid p, .step p, .lead, .caption, .meta { color: #333; }
  a { text-decoration: none; }
  img { break-inside: avoid; }
}