:root {
  --bg: #e5eef4;
  --sheet: #f7fafc;
  --ink: #142433;
  --muted: #4a6173;
  --steel: #18486f;
  --deep: #0c2a43;
  --deep-2: #123753;
  --line: #c5d3de;
  --soft: #d7e4ee;
  --chip: #e7f0f6;
  --warn: #8c3b32;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(24, 72, 111, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 72, 111, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--steel); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; color: #000; padding: 8px 12px; z-index: 9; }
.wrap { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }

.mast { background: var(--deep); color: #e7f1f8; position: sticky; top: 0; z-index: 6; }
.mast-row { display: flex; align-items: center; gap: 22px; min-height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; flex: 0 0 auto; }
.mark { width: 42px; height: 42px; display: block; border-radius: 8px; }
.logo-name { display: flex; flex-direction: column; line-height: 1.05; font-family: "IBM Plex Serif", Georgia, serif; letter-spacing: 0.04em; }
.logo-name b { font-weight: 600; font-size: 18px; }
.logo-name small { font-weight: 500; font-size: 11px; letter-spacing: 0.18em; color: #9fc0d8; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; margin-left: auto; }
.nav a { color: #d5e4ef; text-decoration: none; font-size: 14.5px; border-bottom: 2px solid transparent; padding: 4px 0; }
.nav a:hover { border-bottom-color: #8fb4d0; color: #fff; }
.phones { display: flex; flex-direction: column; font-size: 13.5px; line-height: 1.35; }
.phones a { color: #fff; text-decoration: none; }
.burger { display: none; margin-left: auto; background: transparent; color: #fff; border: 1px solid #3d6d90; padding: 8px 10px; font: inherit; }

h1, h2, h3 { font-family: "IBM Plex Serif", Georgia, serif; font-weight: 560; line-height: 1.2; color: var(--deep); }
h1 { font-size: clamp(32px, 4.4vw, 48px); margin: 0 0 12px; }
h2 { font-size: 26px; margin: 0 0 10px; }
h3 { font-size: 18px; margin: 14px 0 4px; }

.hero-band { background: linear-gradient(180deg, #123753 0%, #1a4d73 100%); color: #eef5f9; }
.hero-band h1, .hero-band h2 { color: #fff; }
.hero-band .wrap { padding: 42px 0 36px; }
.eyebrow { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: #9ec3dc; margin: 0 0 8px; }
.lead { font-size: 19px; max-width: 68ch; }
.hero-band .lead { color: #d7e6f0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  display: inline-block; background: #fff; color: var(--deep); text-decoration: none;
  font-weight: 600; padding: 11px 16px; border: 0; cursor: pointer; font: inherit;
}
.btn-line { background: transparent; color: #fff; border: 1px solid #9ec3dc; }
.btn-steel { background: var(--steel); color: #fff; }

.block { padding: 28px 0; }
.cluster { border-top: 1px solid var(--line); padding: 22px 0; }
.cluster-h { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.idx { font-variant-numeric: tabular-nums; color: var(--steel); font-size: 13px; letter-spacing: 0.08em; }
.rows { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; margin-top: 8px; }
.rows { min-width: 0; }
.rowlink {
  display: grid; grid-template-columns: 112px 1fr; gap: 12px; align-items: center;
  min-width: 0; text-decoration: none; color: inherit;
  padding: 10px 8px 10px 0; border-bottom: 1px solid var(--line);
}
.rowlink img { width: 112px; height: 74px; object-fit: cover; border-radius: 4px; background: #d5dee6; }
.rowtext { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.rowlink:hover { background: rgba(255,255,255,0.55); }
.rowlink b { font-weight: 600; line-height: 1.35; }
.rowlink span { color: var(--muted); font-size: 14.5px; line-height: 1.35; }
.works { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.work {
  background: var(--sheet); border: 1px solid var(--line); padding: 14px 14px 16px; min-height: 160px;
}
.work svg { width: 46px; height: 46px; }
.work b { display: block; margin: 8px 0 4px; }
.work p { margin: 0; color: var(--muted); font-size: 14.5px; }

.layout { display: grid; grid-template-columns: 210px 1fr; gap: 28px; padding: 28px 0 10px; }
.side { position: sticky; top: 88px; align-self: start; font-size: 14.5px; }
.side ol { list-style: none; padding: 0; margin: 8px 0 0; }
.side a { text-decoration: none; color: var(--muted); display: block; padding: 5px 0; border-left: 2px solid var(--line); padding-left: 10px; }
.side a:hover { color: var(--deep); border-left-color: var(--steel); }
.sheet { background: var(--sheet); border: 1px solid var(--line); border-left: 4px solid var(--steel); padding: 22px 22px 8px; }
.kicker { color: var(--steel); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0; }
figure.plate { margin: 16px 0 8px; background: #d5dee6; }
figure.plate figcaption { padding: 8px 12px 10px; color: var(--muted); font-size: 14px; }
.prose p { margin: 0 0 12px; }
.spec { width: 100%; border-collapse: collapse; margin: 8px 0 16px; background: #fff; }
.spec th, .spec td { border-bottom: 1px solid var(--line); text-align: left; padding: 9px 10px; vertical-align: top; }
.spec th { width: 34%; color: var(--steel); font-weight: 600; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
ul, ol { padding-left: 18px; }
li { margin: 5px 0; }
.related { display: flex; flex-wrap: wrap; gap: 8px; }
.related a { text-decoration: none; border: 1px solid var(--line); background: #fff; padding: 8px 10px; color: var(--deep); }
.note { color: var(--muted); font-size: 15px; }

.foot { background: var(--deep); color: #d5e3ee; margin-top: 20px; }
.foot a { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 1.15fr 0.8fr 1.2fr; gap: 22px; padding: 28px 0; }
.foot h2 { color: #fff; font-size: 22px; }
.foot p { color: #c5d7e4; }
form { display: grid; gap: 10px; }
label { display: grid; gap: 4px; font-size: 14px; color: #e7f1f8; }
input, textarea {
  font: inherit; color: var(--ink); background: #fff; border: 1px solid #8eacbf; padding: 10px;
}
.check { grid-template-columns: 18px 1fr; align-items: start; }
.check input { margin-top: 4px; }
.fine { font-size: 13px; color: #9fb6c6; padding-bottom: 22px; }
.addr a { display: block; text-decoration: none; margin: 3px 0; }

@media (max-width: 860px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--deep-2); padding: 12px 16px 16px; }
  .burger { display: inline-block; }
  .phones { display: none; }
  .rows, .works, .split, .foot-grid, .layout { grid-template-columns: 1fr; }
  .side { position: static; }
  
}

.home-photos { padding: 28px 0 8px; }
.home-photos h2 { margin: 0 0 14px; font-family: "IBM Plex Serif", Georgia, serif; font-size: 28px; }
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.photo-grid figure { margin: 0; background: var(--sheet); border: 1px solid var(--line); }
.photo-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.photo-grid figcaption { padding: 10px 12px 12px; color: var(--muted); font-size: 14px; }
@media (max-width: 800px) { .photo-grid { grid-template-columns: 1fr; } }

@media (max-width: 980px) {
  .works { grid-template-columns: 1fr 1fr; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
}

.foot-brand { display: flex; align-items: center; gap: 10px; padding-top: 22px; color: #e7f1f8; }
.foot-brand img { width: 40px; height: 40px; border-radius: 8px; }
.foot-brand b { font-family: "IBM Plex Serif", Georgia, serif; letter-spacing: 0.06em; }