/* ===== Чертёжный лист: синька, калька, жёлтый маркер ===== */
:root {
  --blue: #0a3d78;
  --blue-deep: #072a54;
  --paper: #f1f4f6;
  --white: #fff;
  --ink: #122033;
  --muted: #566879;
  --line: #c5d0d9;
  --mark: #ffd23f;
  --font-head: "PT Sans Narrow", "Arial Narrow", system-ui, sans-serif;
  --font-body: "PT Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: clamp(20px, 4vw, 48px);
  --grid-lines:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  --grid-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font: 400 1.125rem/1.65 var(--font-body);
  color: var(--ink); background: var(--white); -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: .2em; }
a:hover { color: var(--blue-deep); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.hero :focus-visible, .page-head :focus-visible, .site-footer :focus-visible { outline-color: var(--mark); }
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; text-wrap: balance; }
.container { width: min(1200px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--mark); color: var(--ink); padding: 8px 14px; z-index: 200; }
.skip:focus { left: 8px; }

/* ===== Индикатор прокрутки ===== */
.progress { position: fixed; inset: 0 0 auto 0; height: 4px; background: var(--mark); transform: scaleX(0); transform-origin: 0 50%; z-index: 100; }

/* ===== Шапка ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(241,244,246,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; margin-right: auto; font: 700 1.5rem/1 var(--font-head); color: var(--ink); text-decoration: none; }
.logo-mark { width: 20px; height: 20px; border: 2px solid var(--blue); background: linear-gradient(135deg, transparent 50%, var(--mark) 50%); flex: none; }
#site-nav a { margin-left: 26px; padding: 6px 0; color: var(--ink); font-weight: 700; text-decoration: none; border-bottom: 3px solid transparent; }
#site-nav a:hover { border-bottom-color: var(--mark); }
.lang-dd { position: relative; }
.lang-dd summary, .lang-single {
  display: flex; align-items: center; gap: 8px; padding: 5px 12px;
  border: 1.5px solid var(--ink); background: var(--white); color: var(--ink);
  font: 700 .95rem/1.4 var(--font-head); cursor: pointer; list-style: none;
}
.lang-single { cursor: default; }
.lang-dd summary::-webkit-details-marker { display: none; }
.lang-dd summary::after {
  content: ""; width: 7px; height: 7px; margin-top: -3px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg); transition: transform .2s;
}
.lang-dd[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 60;
  min-width: 170px; margin: 0; padding: 0; list-style: none;
  background: var(--white); border: 1.5px solid var(--ink);
}
.lang-menu li + li { border-top: 1px solid var(--line); }
.lang-menu a, .lang-menu .current { display: block; padding: 10px 14px; font-size: 1rem; color: var(--ink); text-decoration: none; }
.lang-menu a:hover { background: var(--mark); }
.lang-menu .current { background: var(--paper); font-weight: 700; }
.menu-btn { display: none; padding: 8px 14px; font: 700 1rem var(--font-body); color: var(--ink); background: none; border: 1.5px solid var(--ink); cursor: pointer; }

@media (max-width: 860px) {
  .menu-btn { display: block; }
  #site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 16px; }
  #site-nav.open { display: block; }
  #site-nav a { display: block; margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .bar { gap: 14px; }
  .logo { font-size: 1.25rem; }
}

.logo-img { height: 40px; width: auto; }
/* ===== Hero: чертёж, который прорисовывается ===== */
.hero {
  background-color: var(--blue); background-image: var(--grid-lines); background-size: var(--grid-size);
  color: var(--white); padding: 56px 0;
  min-height: calc(100svh - 68px); display: flex; align-items: center;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { margin: 0 0 24px; font-size: clamp(3rem, 7.4vw, 6.4rem); line-height: .92; letter-spacing: -.02em; }
.lead { max-width: 34em; font-size: 1.25rem; color: #dbe6f3; }
.lead p { margin: 0 0 1em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-block; padding: 14px 26px; border: 2px solid transparent; font: 700 1.05rem var(--font-body); text-decoration: none; transition: background .2s, color .2s; }
.btn-mark { background: var(--mark); border-color: var(--mark); color: var(--ink); }
.btn-mark:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.btn-line { border-color: var(--white); color: var(--white); }
.btn-line:hover { background: var(--white); color: var(--blue); }

.drawing { width: 100%; height: auto; max-height: 72vh; }
.drawing path { fill: none; stroke: var(--white); stroke-width: 1.6; stroke-linecap: butt; stroke-linejoin: miter; }
.drawing .axis { stroke-opacity: .28; stroke-width: 1; }
.drawing .dim { stroke: var(--mark); stroke-width: 1.2; }
.drawing text { font-family: var(--font-head); font-size: 14px; fill: var(--white); }
.drawing .dtext { fill: var(--mark); font-size: 13px; }
.js .drawing path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.5s cubic-bezier(.5, 0, .2, 1) forwards; animation-delay: calc(var(--i) * 45ms); }
.js .drawing text { opacity: 0; animation: fade .6s 2.6s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

@media (max-width: 900px) {
  .hero { min-height: 0; }
  .hero-grid { grid-template-columns: 1fr; }
  .drawing { max-height: 360px; }
}

/* ===== Секции главной: слева заголовок, справа содержимое ===== */
.band { padding: clamp(56px, 9vw, 120px) 0; }
.bands > .band:nth-child(odd) { background: var(--paper); }
.band-grid { display: grid; grid-template-columns: minmax(170px, 250px) 1fr; gap: clamp(24px, 5vw, 72px); align-items: start; }
.band-title { position: sticky; top: 104px; margin: 0; padding-top: 14px; border-top: 4px solid var(--ink); font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1; }
.band-body > :first-child { margin-top: 0; }
@media (max-width: 820px) {
  .band-grid { grid-template-columns: 1fr; gap: 28px; }
  .band-title { position: static; }
}

/* ===== Карточки: проекты и лицензии ===== */
.grid { display: grid; gap: clamp(20px, 2.4vw, 32px); }
.grid--projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--projects > .card:first-child { grid-column: 1 / -1; }
.grid--projects > .card:first-child .card-media { aspect-ratio: 21 / 9; }
.grid--docs { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
@media (max-width: 620px) { .grid--projects { grid-template-columns: 1fr; } }

.card { display: flex; flex-direction: column; background: var(--white); border: 1.5px solid var(--ink); color: var(--ink); text-decoration: none; }
.card:hover { color: var(--ink); }
.card-media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--line); }
.card--doc .card-media { aspect-ratio: 4 / 5; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card:hover .card-media img { transform: scale(1.04); }
.card-cap { flex: 1; display: flex; flex-direction: column; padding: 14px 16px 0; border-top: 1.5px solid var(--ink); transition: background .2s; }
.card:hover .card-cap { background: var(--mark); }
.card h3 { margin: 0 0 8px; font-size: 1.55rem; line-height: 1.08; }
.card-text { margin: 0 0 14px; font-size: 1rem; line-height: 1.5; color: var(--muted); }
.card:hover .card-text { color: var(--ink); }

/* ячейки, как в основной надписи чертежа */
.cells { display: flex; flex-wrap: wrap; margin: auto -16px 0; padding: 0; border-top: 1px solid var(--line); }
.cells > div { flex: 1 1 0; min-width: 90px; padding: 8px 16px 10px; border-left: 1px solid var(--line); }
.cells > div:first-child { border-left: 0; }
.cells dt { font-size: .78rem; line-height: 1.2; color: var(--muted); }
.cells dd { margin: 0; font-size: 1rem; font-weight: 700; line-height: 1.3; }
.card:hover .cells, .card:hover .cells > div { border-color: rgba(18,32,51,.35); }
.card:hover .cells dt { color: var(--ink); }

/* ===== Внутренние страницы ===== */
.page-head {
  background-color: var(--blue); background-image: var(--grid-lines); background-size: var(--grid-size);
  color: var(--white); padding: clamp(48px, 8vw, 96px) 0 40px;
}
.page-head h1 { margin: 0 0 24px; font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: .98; letter-spacing: -.01em; }
.page-head .cells { margin: 0; width: fit-content; max-width: 100%; border: 1px solid rgba(255,255,255,.45); }
.page-head .cells > div { border-color: rgba(255,255,255,.45); }
.page-head .cells dt { color: #b9cde4; }
.page { padding: 48px 0 96px; }
.page > :first-child { margin-top: 0; }
.cover { width: 100%; height: auto; margin-bottom: 32px; }
.prose { max-width: 68ch; }
.back { display: inline-block; margin-top: 40px; font-weight: 700; }

.spec { display: grid; grid-template-columns: max-content 1fr; max-width: 720px; margin: 0 0 32px; border-top: 1.5px solid var(--ink); }
.spec dt, .spec dd { margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.spec dt { padding-right: 40px; color: var(--muted); }
.spec dd { font-weight: 700; }

.files { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 12px; }
.file { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border: 2px solid var(--ink); color: var(--ink); font-weight: 700; text-decoration: none; transition: background .2s, color .2s; }
.file:hover { background: var(--ink); color: var(--white); }
h2.sub { margin: 40px 0 16px; font-size: 2rem; }

/* ===== Таблицы (прайс) ===== */
main table { width: 100%; margin: 56px 0 0; border-collapse: collapse; table-layout: fixed; font-size: 1rem; }
main table:first-child { margin-top: 0; }
/* подпись к таблице = название категории */
main caption {
  caption-side: top; text-align: left;
  padding: 12px 0 14px; border-top: 4px solid var(--ink);
  font: 700 clamp(1.5rem, 2.6vw, 2rem)/1.1 var(--font-head); color: var(--ink);
}
main th, main td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
/* все столбцы, кроме первого, одинаковой ширины и по правому краю: цены в разных таблицах стоят ровно */
main th:not(:first-child), main td:not(:first-child) { width: 13rem; text-align: right; }
main thead th { background: var(--ink); color: var(--white); border-bottom: 0; }
main tbody tr:nth-child(even) { background: var(--paper); }
.bands > .band:nth-child(odd) tbody tr:nth-child(even) { background: var(--white); }
@media (max-width: 720px) { main th:not(:first-child), main td:not(:first-child) { width: 8.5rem; } }

/* ===== Блок «Картинка + текст» ===== */
.image-text { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; margin: 28px 0; }
.image-text img { width: 100%; height: auto; display: block; }
.image-text.image-right .image-text-img { order: 2; }
.image-text-body > :first-child { margin-top: 0; }
.image-text-body > :last-child { margin-bottom: 0; }
@media (max-width: 720px) {
  .image-text { grid-template-columns: 1fr; gap: 20px; }
  .image-text.image-right .image-text-img { order: 0; }
}

/* ===== Блок «Контакты»: текст слева, карта справа ===== */
/* РАЗМЕРЫ КАРТЫ МЕНЯЮТСЯ ЗДЕСЬ: */
.text-map {
  --map-height: 520px;      /* высота карты */
  --map-cols: 1fr 1.7fr;    /* ширина колонок: текст | карта (чем больше второе число, тем шире карта) */
  display: grid; grid-template-columns: var(--map-cols);
  gap: clamp(24px, 4vw, 48px); align-items: stretch; margin: 28px 0;
}
.text-map-text > :first-child { margin-top: 0; }
.text-map-map { min-height: var(--map-height); border: 1.5px solid var(--ink); background: var(--paper); }
.text-map-map iframe { display: block; width: 100%; height: 100%; min-height: var(--map-height); border: 0; }
@media (max-width: 720px) {
  .text-map { grid-template-columns: 1fr; }
  .text-map-map, .text-map-map iframe { min-height: 360px; }
}

/* ===== Карусель фотографий проекта ===== */
.carousel { position: relative; margin: 0 0 32px; background: var(--ink); }
.carousel-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.carousel-track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; margin: 0; aspect-ratio: 16 / 9; max-height: 75vh; scroll-snap-align: center; }
.slide img { width: 100%; height: 100%; object-fit: contain; }
.car-btn {
  display: none; position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 54px; height: 54px; border: 2px solid var(--ink); background: var(--mark); color: var(--ink);
  font: 700 1.6rem/1 var(--font-body); cursor: pointer; transition: background .2s;
}
.js .car-btn { display: block; }
.car-btn.prev { left: 0; }
.car-btn.next { right: 0; }
.car-btn:hover:not(:disabled) { background: var(--white); }
.car-btn:disabled { opacity: .35; cursor: default; }
.car-count { position: absolute; right: 0; bottom: 0; padding: 4px 14px; background: var(--ink); color: var(--white); font: 700 1rem var(--font-head); }
.btn-ink { background: var(--ink); border-color: var(--ink); color: var(--white); }
.btn-ink:hover { background: var(--mark); border-color: var(--ink); color: var(--ink); }
.more { margin: 36px 0 0; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 32px; }
.filters a { padding: 7px 16px; border: 1.5px solid var(--ink); color: var(--ink); font-weight: 700; text-decoration: none; }
.filters a:hover { background: var(--mark); }
.filters a.active { background: var(--ink); color: var(--white); }

/* ===== Footer ===== */
.site-footer { background: var(--blue-deep); border-top: 6px solid var(--mark); color: #c9d8ea; padding: 48px 0; }
.foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.foot-name { font: 700 clamp(1.8rem, 4vw, 2.6rem)/1 var(--font-head); color: var(--white); }
.foot small { font-size: .95rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .drawing path { animation: none; stroke-dashoffset: 0; }
  .js .drawing text { animation: none; opacity: 1; }
  .card-media img, .card-cap, .btn, .file { transition: none; }
  .card:hover .card-media img { transform: none; }
}