@charset "UTF-8";
/* ==========================================================================
   СтройТех — строительно-инженерная компания
   Единая таблица стилей для всех страниц сайта.
   Содержание:
     1.  Переменные и токены дизайна
     2.  Сброс и базовая типографика
     3.  Утилиты (контейнер, секции, сетки, кнопки, бейджи)
     4.  Шапка сайта, навигация, бургер-меню
     5.  Хлебные крошки и hero внутренних страниц
     6.  Главный экран (hero) и цифры
     7.  Карточки услуг, преимущества, этапы
     8.  Проекты: фильтры, сетка, карточки
     9.  Отзывы
     10. Формы и состояния полей
     11. Таймлайн, команда, ценности, лицензии
     12. Таблица цен и аккордеон FAQ
     13. Модальные окна
     14. Контакты и SVG-карта
     15. Футер и кнопка «наверх»
     16. Анимации появления
     17. Адаптивность (1024 / 768 / 480)
     18. Печать и сниженная анимация
   ========================================================================== */

/* ==========================================================================
   1. Переменные и токены дизайна
   ========================================================================== */
:root {
  /* Палитра: тёмно-синий / графит + янтарно-оранжевый акцент */
  --navy-900: #08121f;
  --navy-800: #0d1b2c;
  --navy-700: #12263d;
  --navy-600: #1b3654;
  --navy-500: #26496e;
  --graphite-900: #161d26;
  --graphite-800: #1e2733;
  --graphite-700: #2c3745;
  --graphite-600: #3f4c5c;
  --muted: #5d6d80;
  --muted-soft: #7d8b9c;

  --surface: #ffffff;
  --surface-2: #f4f7fa;
  --surface-3: #e9eef4;
  --line: #dfe6ee;
  --line-strong: #c8d3e0;

  --accent: #f0801c;
  --accent-600: #d46a09;
  --accent-700: #b25706;
  --accent-100: #fdf1e3;
  --accent-200: #f9dcbc;

  --success: #1c7f49;
  --success-bg: #e8f6ee;
  --danger: #c02a2a;
  --danger-bg: #fdeceb;

  --text: #16202c;
  --text-soft: #3d4a5a;
  --on-dark: #eef3f9;
  --on-dark-soft: #a9bacd;

  /* Радиусы */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Тени */
  --sh-1: 0 1px 2px rgba(13, 27, 44, .06), 0 2px 8px rgba(13, 27, 44, .05);
  --sh-2: 0 4px 12px rgba(13, 27, 44, .07), 0 14px 34px rgba(13, 27, 44, .08);
  --sh-3: 0 18px 48px rgba(8, 18, 31, .22);
  --sh-accent: 0 10px 26px rgba(240, 128, 28, .28);

  /* Отступы (шкала 4px) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 88px;
  --sp-10: 112px;

  /* Каркас */
  --container: 1200px;
  --gutter: 24px;
  --header-h: 76px;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;

  --t-fast: .16s ease;
  --t-base: .26s cubic-bezier(.2, .7, .3, 1);
  --t-slow: .6s cubic-bezier(.2, .7, .3, 1);

  --grad-navy: linear-gradient(150deg, var(--navy-900) 0%, var(--navy-700) 52%, var(--navy-600) 100%);
  --grad-accent: linear-gradient(135deg, var(--accent) 0%, #f7a03f 100%);
}

/* ==========================================================================
   2. Сброс и базовая типографика
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--surface);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5 {
  margin: 0 0 var(--sp-4);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--text);
  overflow-wrap: break-word;
}

h1 { font-size: clamp(1.85rem, 1.25rem + 2.4vw, 3.15rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); }
h4 { font-size: 1.0625rem; }

p { margin: 0 0 var(--sp-4); overflow-wrap: break-word; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--navy-600);
  text-decoration-color: rgba(27, 54, 84, .35);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}
a:hover { color: var(--accent-600); text-decoration-color: currentColor; }

ul, ol { margin: 0 0 var(--sp-4); padding-left: 1.15em; }
li { margin-bottom: var(--sp-2); }
li:last-child { margin-bottom: 0; }

img, svg, video { max-width: 100%; }
img { height: auto; }

strong, b { font-weight: 700; }
small { font-size: .8125rem; }

hr {
  height: 1px;
  margin: var(--sp-7) 0;
  border: 0;
  background: var(--line);
}

code, kbd, samp { font-family: var(--font-mono); font-size: .9em; }

::selection { background: var(--accent-200); color: var(--navy-900); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 300;
  padding: 12px 20px;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  transform: translate(-50%, -110%);
  transition: transform var(--t-base);
}
.skip-link:focus { transform: translate(-50%, 0); color: #fff; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   3. Утилиты
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Отступ при переходе по внутренним якорям под фиксированной шапкой */
[id] { scroll-margin-top: calc(var(--header-h) + 20px); }

.section { padding: var(--sp-9) 0; }
.section--tight { padding: var(--sp-8) 0; }
.section--soft { background: var(--surface-2); }
.section--grid-bg {
  background-color: var(--surface-2);
  background-image:
    linear-gradient(rgba(27, 54, 84, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 54, 84, .045) 1px, transparent 1px);
  background-size: 44px 44px;
}
.section--dark {
  color: var(--on-dark);
  background: var(--grad-navy);
}
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: #fff; }
.section--dark p { color: var(--on-dark-soft); }
.section--dark .feature {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .16);
  border-left-color: var(--accent);
}
.section--dark .feature h3 { color: #fff; }
.section--dark .feature p { color: var(--on-dark-soft); }
.section--dark .feature__icon { color: var(--accent); background: rgba(255, 255, 255, .1); }
.section--dark .card,
.section--dark .step,
.section--dark .testimonial {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .16);
}
.section--dark .card p,
.section--dark .step p,
.section--dark .testimonial__quote { color: var(--on-dark-soft); }
.section--dark .testimonial__author { border-top-color: rgba(255, 255, 255, .16); }
.section--dark .testimonial__author span { color: var(--on-dark-soft); }
.section--dark .stat { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.section--dark .stat__value { color: #fff; }
.section--dark .stat__label { color: var(--on-dark-soft); }
.section--dark .chip { color: var(--on-dark-soft); background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.section--dark .requisites { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .16); }
.section--dark .requisites dd { color: #fff; }
.section--dark .table-wrap { background: transparent; border-color: rgba(255, 255, 255, .16); }
.section--dark .accordion { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.section--dark .accordion__item + .accordion__item { border-top-color: rgba(255, 255, 255, .16); }
.section--dark .accordion__trigger { color: #fff; }
.section--dark .accordion__trigger:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.section--dark .accordion__panel p,
.section--dark .accordion__panel ul { color: var(--on-dark-soft); }

/* Списки-сетки без маркеров */
blockquote, figure { margin: 0; }
[hidden] { display: none !important; }

ul.stats,
ol.steps,
ul.steps,
ul.grid,
ul.projects-grid,
ul.testimonials,
ul.chip-list,
ul.meta-list,
ul.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
ul.stats > li,
ol.steps > li,
ul.steps > li,
ul.grid > li,
ul.projects-grid > li,
ul.testimonials > li { margin: 0; }
.section--dark a { color: #fff; }

.section-head { max-width: 760px; margin-bottom: var(--sp-7); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .btn-row { justify-content: center; }
.section-head p {
  font-size: 1.0625rem;
  color: var(--muted);
}
.section--dark .section-head p { color: var(--on-dark-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-600);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
}
.section--dark .eyebrow { color: var(--accent); }

.lead { font-size: 1.125rem; color: var(--text-soft); }
.text-center { text-align: center; }
.muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-7 { margin-top: var(--sp-7); }

.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--sidebar { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); align-items: start; }

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 50px;
  padding: 12px 26px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: var(--navy-700);
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast),
              transform var(--t-fast), box-shadow var(--t-fast);
}
.btn:hover { color: #fff; background: var(--navy-600); transform: translateY(-2px); box-shadow: var(--sh-2); }
.btn:active { transform: translateY(0); }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn--primary { background: var(--accent); }
.btn--primary:hover { background: var(--accent-600); box-shadow: var(--sh-accent); }

.btn--ghost {
  color: var(--navy-700);
  background: transparent;
  border-color: var(--line-strong);
}
.btn--ghost:hover { color: var(--navy-700); background: var(--surface-2); border-color: var(--navy-500); }

.btn--light {
  color: var(--navy-800);
  background: #fff;
}
.btn--light:hover { color: var(--navy-800); background: var(--surface-3); }

.btn--outline-light {
  color: #fff;
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .45);
}
.btn--outline-light:hover { color: #fff; background: rgba(255, 255, 255, .16); }

.btn--sm { min-height: 42px; padding: 9px 18px; font-size: .9375rem; }
.btn--lg { min-height: 58px; padding: 16px 34px; font-size: 1.0625rem; }
.btn--block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.section--dark .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .4); }
.section--dark .btn--ghost:hover { color: #fff; background: rgba(255, 255, 255, .12); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 600;
  text-decoration: none;
  color: var(--accent-600);
}
.link-arrow svg { transition: transform var(--t-fast); }
.link-arrow:hover svg { transform: translateX(4px); }

/* Бейджи и метки */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--navy-600);
  background: var(--surface-3);
  border-radius: var(--r-pill);
}
.badge--accent { color: var(--accent-700); background: var(--accent-100); }
.badge--dark { color: #fff; background: rgba(255, 255, 255, .14); }
.badge--success { color: var(--success); background: var(--success-bg); }

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.chip-list li { margin: 0; }
.chip {
  display: inline-block;
  padding: 6px 14px;
  font-size: .875rem;
  color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
}

/* Метрики «ключ — значение» */
.meta-list {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
}
.meta-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2);
  justify-content: space-between;
  padding-bottom: var(--sp-3);
  margin: 0;
  border-bottom: 1px dashed var(--line);
}
.meta-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.meta-list dt,
.meta-list .meta-key { color: var(--muted); font-size: .9375rem; }
.meta-list dd,
.meta-list .meta-val { margin: 0; font-weight: 700; }

/* ==========================================================================
   4. Шапка сайта и навигация
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(140%) blur(10px);
  transition: box-shadow var(--t-base), background var(--t-base);
}
.site-header.is-stuck { box-shadow: var(--sh-2); }

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--navy-800);
}
.logo:hover { color: var(--navy-800); }
.logo__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--navy-800);
  border-radius: var(--r-sm);
  flex: 0 0 auto;
}
.logo__mark svg { display: block; width: 26px; height: 26px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__text strong { font-size: 1.1875rem; letter-spacing: -.02em; }
.logo__text small {
  font-size: .6875rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav { display: flex; align-items: center; gap: var(--sp-5); margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav__list li { margin: 0; }
.nav__link {
  position: relative;
  display: block;
  padding: 10px 12px;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--graphite-700);
  text-decoration: none;
  border-radius: var(--r-xs);
  white-space: nowrap;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.nav__link:hover { color: var(--navy-700); background: var(--surface-2); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--accent-700); }
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav__aside { display: none; }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex: 0 0 auto;
}
.header-phone {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  font-weight: 700;
  font-size: .9375rem;
  color: var(--navy-800);
  text-decoration: none;
  white-space: nowrap;
}
.header-phone small { font-weight: 500; color: var(--muted); font-size: .6875rem; }
.header-phone:hover { color: var(--accent-600); }

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--navy-800);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.burger:hover { background: var(--surface-3); }
.burger__box {
  position: relative;
  display: block;
  width: 22px;
  height: 14px;
}
.burger__box span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-fast), top var(--t-base);
}
.burger__box span:nth-child(1) { top: 0; }
.burger__box span:nth-child(2) { top: 6px; }
.burger__box span:nth-child(3) { top: 12px; }
.burger[aria-expanded="true"] .burger__box span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.burger[aria-expanded="true"] .burger__box span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__box span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 110;
  background: rgba(8, 18, 31, .5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base);
}
.nav-backdrop.is-visible { opacity: 1; visibility: visible; }

/* ==========================================================================
   5. Хлебные крошки и hero внутренних страниц
   ========================================================================== */
.page-hero {
  position: relative;
  padding: var(--sp-8) 0 var(--sp-7);
  color: var(--on-dark);
  background: var(--grad-navy);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 85%);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; max-width: 18ch; }
.page-hero p {
  max-width: 62ch;
  font-size: 1.0625rem;
  color: var(--on-dark-soft);
}
.page-hero .btn-row { margin-top: var(--sp-6); }

.breadcrumbs { margin-bottom: var(--sp-5); }
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .875rem;
}
.breadcrumbs li { margin: 0; display: inline-flex; align-items: center; gap: var(--sp-2); }
.breadcrumbs li + li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid rgba(255, 255, 255, .45);
  border-bottom: 2px solid rgba(255, 255, 255, .45);
  transform: rotate(-45deg);
}
.breadcrumbs a { color: rgba(255, 255, 255, .82); text-decoration: none; }
.breadcrumbs a:hover { color: #fff; text-decoration: underline; }
.breadcrumbs [aria-current="page"] { color: var(--accent); font-weight: 600; }

/* ==========================================================================
   6. Главный экран и цифры
   ========================================================================== */
.hero {
  position: relative;
  padding: var(--sp-9) 0 var(--sp-8);
  color: var(--on-dark);
  background: var(--grad-navy);
  overflow: hidden;
}
.hero__decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 72%);
}
.hero__glow {
  position: absolute;
  top: -160px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(240, 128, 28, .34) 0%, transparent 68%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: var(--sp-8);
  align-items: center;
}
.hero h1 { color: #fff; max-width: 20ch; }
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero__text { max-width: 54ch; font-size: 1.0625rem; color: var(--on-dark-soft); }
.hero .btn-row { margin-top: var(--sp-6); }
.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5) var(--sp-7);
  margin: var(--sp-7) 0 0;
  padding: var(--sp-5) 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.hero__facts li { margin: 0; }
.hero__facts strong { display: block; font-size: 1.375rem; color: #fff; }
.hero__facts span { font-size: .875rem; color: var(--on-dark-soft); }

.hero__card {
  padding: var(--sp-6);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-lg);
  backdrop-filter: blur(6px);
}
.hero__card h2 {
  margin-bottom: var(--sp-2);
  font-size: 1.25rem;
  color: #fff;
}
.hero__card p { font-size: .9375rem; color: var(--on-dark-soft); }
.hero__card .meta-list li { border-color: rgba(255, 255, 255, .16); }
.hero__card .meta-list .meta-key { color: var(--on-dark-soft); }
.hero__card .meta-list .meta-val { color: #fff; }
.hero__card .btn { margin-top: var(--sp-5); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-5);
}
.stat {
  padding: var(--sp-6) var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--accent-200); }
.stat__value {
  display: block;
  font-size: clamp(1.9rem, 1.3rem + 1.8vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--navy-700);
}
.stat__value .stat__suffix { color: var(--accent); }
.stat__num { white-space: nowrap; }
.stat__label { display: block; margin-top: var(--sp-2); font-size: .9375rem; color: var(--muted); }

/* ==========================================================================
   7. Услуги, преимущества, этапы
   ========================================================================== */
.card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--line-strong); }
.card h3 { margin-bottom: var(--sp-3); }
.card p { color: var(--text-soft); font-size: .9688rem; }
.card__foot { margin-top: auto; padding-top: var(--sp-5); }

.service-card { position: relative; overflow: hidden; }
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.service-card:hover::before { transform: scaleX(1); }
.card__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--sp-5);
  color: var(--accent-600);
  background: var(--accent-100);
  border-radius: var(--r-sm);
  transition: background var(--t-base), color var(--t-base);
}
.card__icon svg { width: 28px; height: 28px; display: block; }
.card:hover .card__icon { color: #fff; background: var(--accent); }
.card__num {
  display: block;
  margin-bottom: var(--sp-3);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--muted-soft);
}
.service-card__list {
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
  font-size: .9375rem;
  color: var(--text-soft);
}
.service-card__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 6px;
}
.service-card__list li::before {
  content: "";
  position: absolute;
  top: .55em;
  left: 4px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.feature {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.feature:hover { transform: translateX(4px); box-shadow: var(--sh-1); }
.feature__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--navy-600);
  background: var(--surface-2);
  border-radius: var(--r-xs);
}
.feature__icon svg { width: 22px; height: 22px; display: block; }
.feature h3 { font-size: 1.0625rem; margin-bottom: var(--sp-2); }
.feature p { font-size: .9375rem; color: var(--text-soft); }

.steps { counter-reset: step; }
.step {
  position: relative;
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: var(--sp-3);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--accent);
}
.step h3 { font-size: 1.0625rem; }
.step p { font-size: .9375rem; color: var(--text-soft); }
.step__term {
  display: inline-block;
  margin-top: var(--sp-3);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Развёрнутый блок услуги */
.service-detail {
  padding: var(--sp-7);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
}
.service-detail + .service-detail { margin-top: var(--sp-6); }
.service-detail__head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
}
.service-detail__head .card__icon { flex: 0 0 auto; margin-bottom: 0; }
.service-detail__head h2 { margin-bottom: var(--sp-2); }
.service-detail__head .card__num { margin-bottom: var(--sp-2); }
.service-detail h3 { margin-bottom: var(--sp-3); font-size: 1rem; }
.service-detail__aside {
  padding: var(--sp-5);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.service-detail__aside h3 { margin-top: var(--sp-5); }
.service-detail__aside h3:first-child { margin-top: 0; }

/* ==========================================================================
   8. Проекты
   ========================================================================== */
.filters {
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-5);
  margin-bottom: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.filters__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
}
.filters__label {
  min-width: 92px;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.filter-chip {
  padding: 8px 16px;
  font-family: inherit;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--graphite-700);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.filter-chip:hover { background: var(--surface-3); border-color: var(--line-strong); }
.filter-chip[aria-pressed="true"] {
  color: #fff;
  background: var(--navy-700);
  border-color: var(--navy-700);
  box-shadow: var(--sh-1);
}
.filter-chip[aria-pressed="true"]:hover { background: var(--navy-600); }

.filters__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px dashed var(--line);
  font-size: .9375rem;
  color: var(--muted);
}
.filters__count strong { color: var(--navy-700); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-5);
}
.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.project-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: var(--line-strong); }
.project-card[hidden] { display: none; }
.project-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--navy-700);
  overflow: hidden;
}
.project-card__media svg {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform var(--t-slow);
}
.project-card:hover .project-card__media svg { transform: scale(1.05); }
.project-card__media .badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: 1;
}
.project-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: var(--sp-5);
}
.project-card__body h3 { font-size: 1.0625rem; margin-bottom: var(--sp-2); }
.project-card__place {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--sp-4);
  font-size: .875rem;
  color: var(--muted);
}
.project-card__place svg { width: 15px; height: 15px; flex: 0 0 auto; }
.project-card__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
  margin: 0 0 var(--sp-5);
  padding: var(--sp-4) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.project-card__specs li { margin: 0; }
.project-card__specs dt,
.project-card__specs .spec-key {
  font-size: .75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted-soft);
}
.project-card__specs dd,
.project-card__specs .spec-val { margin: 0; font-weight: 700; font-size: .9375rem; }
.project-card__body .btn { margin-top: auto; }

/* Скрытый контейнер с подробностями объекта: содержимое переносится в модальное окно */
.project-details { display: none; }

.projects-empty {
  padding: var(--sp-8) var(--sp-5);
  text-align: center;
  background: var(--surface-2);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
}
.projects-empty svg { width: 46px; height: 46px; margin-bottom: var(--sp-4); color: var(--muted-soft); }
.projects-empty[hidden] { display: none; }

/* ==========================================================================
   9. Отзывы
   ========================================================================== */
.testimonial {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.testimonial__quote {
  position: relative;
  padding-top: var(--sp-6);
  font-size: 1rem;
  color: var(--text-soft);
}
.testimonial__quote::before {
  content: "\201C";
  position: absolute;
  top: -14px;
  left: 0;
  font-size: 3.5rem;
  line-height: 1;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--accent-200);
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: auto;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
}
.testimonial__avatar {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--navy-700);
}
.testimonial__avatar svg { display: block; width: 100%; height: 100%; }
.testimonial__author strong { display: block; font-size: .9375rem; }
.testimonial__author span { font-size: .8125rem; color: var(--muted); }
.testimonial__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--sp-4);
  color: var(--accent);
}
.testimonial__stars svg { width: 16px; height: 16px; }

/* ==========================================================================
   10. Формы
   ========================================================================== */
.form {
  display: grid;
  gap: var(--sp-5);
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-2);
}
.form--dark {
  color: var(--on-dark);
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .18);
}
.form__head h2,
.form__head h3 { margin-bottom: var(--sp-2); }
.form__head p { font-size: .9375rem; color: var(--muted); }
.form--dark .form__head p { color: var(--on-dark-soft); }

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-5);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field > label,
.field .field__label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
}
.form--dark .field > label { color: #fff; }
.field .req { color: var(--accent-600); }
.form--dark .field .req { color: var(--accent); }

.input,
.select,
.textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.textarea { min-height: 132px; resize: vertical; line-height: 1.55; }
.select {
  appearance: none;
  padding-right: 42px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 2px), calc(100% - 14px) calc(50% + 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.form--dark .input,
.form--dark .select,
.form--dark .textarea {
  color: #fff;
  background-color: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .26);
}
.form--dark .input::placeholder,
.form--dark .textarea::placeholder { color: rgba(255, 255, 255, .55); }
.form--dark .select option { color: var(--text); }

.input:hover,
.select:hover,
.textarea:hover { border-color: var(--navy-500); }
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 128, 28, .22);
}
.form--dark .input:focus,
.form--dark .select:focus,
.form--dark .textarea:focus { background-color: rgba(255, 255, 255, .14); }

.field__hint { font-size: .8125rem; color: var(--muted); }
.form--dark .field__hint { color: var(--on-dark-soft); }

.field__error {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--danger);
}
.field__error svg { width: 14px; height: 14px; flex: 0 0 auto; }
.field.is-invalid .field__error { display: flex; }
.field.is-invalid .input,
.field.is-invalid .select,
.field.is-invalid .textarea {
  border-color: var(--danger);
  background: var(--danger-bg);
}
.form--dark .field.is-invalid .input,
.form--dark .field.is-invalid .select,
.form--dark .field.is-invalid .textarea { background: rgba(192, 42, 42, .18); }
.field.is-invalid .input:focus,
.field.is-invalid .textarea:focus,
.field.is-invalid .select:focus { box-shadow: 0 0 0 3px rgba(192, 42, 42, .2); }
.field.is-valid .input,
.field.is-valid .select,
.field.is-valid .textarea { border-color: var(--success); }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: .875rem;
  line-height: 1.5;
  color: var(--text-soft);
  cursor: pointer;
}
.form--dark .checkbox { color: var(--on-dark-soft); }
.checkbox input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.checkbox.is-invalid { color: var(--danger); }
.checkbox.is-invalid input { outline: 2px solid var(--danger); outline-offset: 2px; }
.checkbox a { color: inherit; text-decoration: underline; }
.form--dark .checkbox a { color: #fff; }

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
  justify-content: space-between;
}
.form__foot .btn { min-width: 220px; }
.form__note { font-size: .8125rem; color: var(--muted); max-width: 42ch; }
.form__draft {
  margin: 0;
  padding: 10px 14px;
  font-size: .875rem;
  color: var(--accent-700);
  background: var(--accent-100);
  border: 1px dashed var(--accent-200);
  border-radius: var(--r-sm);
}
.form--dark .form__draft {
  color: #fff;
  background: rgba(240, 128, 28, .18);
  border-color: rgba(240, 128, 28, .45);
}
.form--dark .form__note { color: var(--on-dark-soft); }

.form__status {
  display: none;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  font-size: .9375rem;
  border-radius: var(--r-sm);
}
.form__status.is-visible { display: flex; }
.form__status--error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid rgba(192, 42, 42, .28);
}
.form__status svg { width: 20px; height: 20px; flex: 0 0 auto; margin-top: 1px; }

.form-success {
  display: none;
  padding: var(--sp-7) var(--sp-6);
  text-align: center;
  background: var(--success-bg);
  border: 1px solid rgba(28, 127, 73, .3);
  border-radius: var(--r-md);
}
.form-success.is-visible { display: block; animation: pop-in .4s ease both; }
.form-success__icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto var(--sp-5);
  color: #fff;
  background: var(--success);
  border-radius: 50%;
}
.form-success__icon svg { width: 34px; height: 34px; }
.form-success h3 { margin-bottom: var(--sp-3); }
.form-success p { color: var(--text-soft); }
.form-success__num {
  display: inline-block;
  margin: var(--sp-4) 0 var(--sp-2);
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-700);
  background: #fff;
  border: 1px dashed var(--success);
  border-radius: var(--r-sm);
}
.form-success .btn-row { justify-content: center; margin-top: var(--sp-6); }
.form-success__list {
  max-width: 460px;
  margin: var(--sp-5) auto 0;
  padding: 0;
  list-style: none;
  text-align: left;
  font-size: .9375rem;
}
.form-success__list li {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 8px 0;
  border-bottom: 1px dashed rgba(28, 127, 73, .3);
}
.form-success__list li span:first-child { color: var(--muted); }
.form-success__list li span:last-child { font-weight: 700; }

@keyframes pop-in {
  from { opacity: 0; transform: scale(.97) translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ==========================================================================
   11. Таймлайн, команда, ценности, лицензии
   ========================================================================== */
.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--sp-7);
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 9px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--line) 78%, transparent);
}
.timeline > li {
  position: relative;
  margin: 0 0 var(--sp-6);
  padding: 0;
}
.timeline > li:last-child { margin-bottom: 0; }
.timeline > li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: calc(-1 * var(--sp-7) + 2px);
  width: 16px;
  height: 16px;
  background: var(--surface);
  border: 3px solid var(--accent);
  border-radius: 50%;
}
.timeline__year {
  display: block;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--navy-700);
}
.timeline__title { display: block; margin: 2px 0 var(--sp-2); font-weight: 700; }
.timeline p { font-size: .9375rem; color: var(--text-soft); margin: 0; }

.team-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.team-card__photo {
  aspect-ratio: 4 / 3;
  background: var(--navy-700);
}
.team-card__photo svg { display: block; width: 100%; height: 100%; }
.team-card__body { padding: var(--sp-5); }
.team-card__body h3 { font-size: 1.0625rem; margin-bottom: 4px; }
.team-card__role {
  display: block;
  margin-bottom: var(--sp-3);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent-600);
}
.team-card__body p { font-size: .9375rem; color: var(--text-soft); }

.value-card {
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.value-card__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: var(--sp-4);
  color: #fff;
  background: var(--navy-700);
  border-radius: var(--r-sm);
}
.value-card__icon svg { width: 26px; height: 26px; }
.value-card h3 { font-size: 1.0625rem; }
.value-card p { font-size: .9375rem; color: var(--text-soft); }

.cert-card {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.cert-card:hover { border-color: var(--accent-200); box-shadow: var(--sh-2); }
.cert-card__badge {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 62px;
  height: 74px;
  color: var(--navy-600);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
}
.cert-card__badge svg { width: 34px; height: 34px; }
.cert-card h3 { font-size: 1rem; margin-bottom: 4px; }
.cert-card p { font-size: .875rem; color: var(--muted); margin: 0; }
.cert-card__num {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--text-soft);
}

.requisites {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4) var(--sp-6);
  margin: 0;
  padding: var(--sp-6);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.requisites div { min-width: 0; }
.requisites dt {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.requisites dd {
  margin: 4px 0 0;
  font-size: 1rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* ==========================================================================
   12. Таблица цен и аккордеон
   ========================================================================== */
.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  -webkit-overflow-scrolling: touch;
}
table.price-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .9375rem;
}
table.price-table caption {
  padding: var(--sp-5) var(--sp-5) 0;
  text-align: left;
  font-size: .875rem;
  color: var(--muted);
}
table.price-table th,
table.price-table td {
  padding: 14px var(--sp-5);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
table.price-table thead th {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-2);
  white-space: nowrap;
}
table.price-table tbody tr:last-child th,
table.price-table tbody tr:last-child td { border-bottom: 0; }
table.price-table tbody tr { transition: background var(--t-fast); }
table.price-table tbody tr:hover { background: var(--surface-2); }
table.price-table td:nth-child(3),
table.price-table td:nth-child(4),
table.price-table th:nth-child(3),
table.price-table th:nth-child(4) { white-space: nowrap; }
table.price-table .price { font-weight: 700; color: var(--navy-700); }

.accordion { border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: var(--surface); }
.accordion__item + .accordion__item { border-top: 1px solid var(--line); }
.accordion__heading { margin: 0; font-size: 1rem; }
.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  padding: var(--sp-5);
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.accordion__trigger:hover { background: var(--surface-2); color: var(--navy-700); }
.accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  background: var(--surface-3);
  border-radius: 50%;
  transition: background var(--t-base), transform var(--t-base);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  background: var(--navy-600);
  transform: translate(-50%, -50%);
  transition: transform var(--t-base), opacity var(--t-base), background var(--t-base);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { background: var(--accent); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { background: #fff; }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-base);
}
.accordion__panel.is-open { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }
.accordion__panel p,
.accordion__panel ul {
  padding: 0 var(--sp-5) var(--sp-5);
  margin: 0;
  font-size: .9688rem;
  color: var(--text-soft);
}
.accordion__panel ul { padding-left: calc(var(--sp-5) + 1.1em); }

/* ==========================================================================
   13. Модальные окна
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  background: rgba(8, 18, 31, .62);
  backdrop-filter: blur(3px);
}
.modal.is-open { display: flex; animation: fade-in .22s ease both; }
.modal__dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(880px, 100%);
  max-height: min(88vh, 900px);
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  animation: modal-in .3s cubic-bezier(.2, .7, .3, 1) both;
}
.modal__head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--line);
}
.modal__head h2 { font-size: 1.25rem; margin: 0 0 4px; }
.modal__head p { font-size: .875rem; color: var(--muted); margin: 0; }
.modal__close {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  color: var(--graphite-700);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.modal__close:hover { color: #fff; background: var(--danger); border-color: var(--danger); transform: rotate(90deg); }
.modal__close svg { width: 18px; height: 18px; }
.modal__body {
  padding: var(--sp-6);
  overflow-y: auto;
}
.modal__media {
  aspect-ratio: 16 / 7;
  margin-bottom: var(--sp-5);
  overflow: hidden;
  background: var(--navy-700);
  border-radius: var(--r-md);
}
.modal__media svg { display: block; width: 100%; height: 100%; }
.modal__body h3 { font-size: 1.0625rem; margin: var(--sp-6) 0 var(--sp-3); }
.modal__body h3:first-child { margin-top: 0; }
.modal__body p,
.modal__body li { font-size: .9688rem; color: var(--text-soft); }
.modal__foot {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
  justify-content: flex-end;
  padding: var(--sp-5) var(--sp-6);
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}
.modal__specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
  margin: 0 0 var(--sp-5);
  padding: var(--sp-5);
  list-style: none;
  background: var(--surface-2);
  border-radius: var(--r-md);
}
.modal__specs li { margin: 0; }
.modal__specs .spec-key {
  display: block;
  font-size: .75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.modal__specs .spec-val { font-weight: 700; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(18px) scale(.98); }
  to { opacity: 1; transform: none; }
}

/* ==========================================================================
   14. Контакты и SVG-карта
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-5);
}
.contact-card {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}
.contact-card:hover { transform: translateY(-3px); border-color: var(--accent-200); box-shadow: var(--sh-2); }
.contact-card__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--accent-600);
  background: var(--accent-100);
  border-radius: var(--r-sm);
}
.contact-card__icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-card p { font-size: .9375rem; color: var(--text-soft); margin: 0 0 6px; }
.contact-card a { font-weight: 600; text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }

.map-card {
  padding: var(--sp-4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
}
.map-card svg { display: block; width: 100%; height: auto; border-radius: var(--r-sm); }
.map-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.map-scroll > svg { min-width: 640px; }
.map-hint {
  display: none;
  margin: var(--sp-3) 0 0;
  font-size: .8125rem;
  color: var(--muted);
}
@media (max-width: 768px) {
  .map-hint { display: block; }
}
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
  font-size: .875rem;
  color: var(--muted);
}
.map-legend li { display: flex; align-items: center; gap: 8px; margin: 0; }
.map-legend .dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--accent);
}
.map-legend .dot--navy { background: var(--navy-600); }
.map-legend .dot--line { background: var(--line-strong); }

.info-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-5);
  padding: var(--sp-6);
  color: var(--on-dark);
  background: var(--grad-navy);
  border-radius: var(--r-lg);
}
.info-band h3 { color: #fff; font-size: 1rem; }
.info-band p { color: var(--on-dark-soft); font-size: .9375rem; }
.info-band a { color: #fff; }

/* ==========================================================================
   15. Футер и кнопка «наверх»
   ========================================================================== */
.site-footer {
  padding: var(--sp-8) 0 var(--sp-5);
  color: var(--on-dark-soft);
  background: var(--navy-900);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-col h3 {
  margin-bottom: var(--sp-4);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
}
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col li { margin-bottom: var(--sp-3); }
.footer-col a { color: var(--on-dark-soft); text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-col p { font-size: .9375rem; }
.footer-brand .logo { color: #fff; margin-bottom: var(--sp-4); }
.footer-brand .logo:hover { color: #fff; }
.footer-brand .logo__mark { background: var(--accent); }
.footer-brand .logo__text small { color: var(--on-dark-soft); }
.footer-brand p { max-width: 38ch; font-size: .9375rem; }
.footer-contacts { display: grid; gap: var(--sp-2); margin: var(--sp-4) 0 0; padding: 0; list-style: none; }
.footer-contacts li { margin: 0; font-size: .9375rem; }
.footer-contacts a { color: #fff; font-weight: 600; text-decoration: none; }
.footer-contacts a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-5);
  font-size: .8125rem;
}
.footer-bottom p { margin: 0; }
.footer-bottom ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-bottom li { margin: 0; }

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 130;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  color: #fff;
  background: var(--navy-700);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--sh-2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), background var(--t-fast);
}
.to-top:hover { background: var(--accent); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   16. Анимации появления
   ========================================================================== */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(26px);
}
.js-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .65s ease var(--reveal-delay, 0ms), transform .65s cubic-bezier(.2, .7, .3, 1) var(--reveal-delay, 0ms);
}
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   17. Адаптивность
   ========================================================================== */
@media (max-width: 1024px) {
  :root { --gutter: 20px; --header-h: 68px; }

  .section { padding: var(--sp-8) 0; }
  .hero { padding: var(--sp-8) 0 var(--sp-7); }
  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: var(--sp-7); }
  .hero h1 { max-width: 26ch; }

  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--sidebar { grid-template-columns: minmax(0, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-7) var(--sp-6); }
  .modal__specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-band { grid-template-columns: minmax(0, 1fr); }

  /* Мобильное меню */
  .burger { display: inline-flex; }
  .header-actions .header-phone,
  .header-actions .btn { display: none; }

  .nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    z-index: 115;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-5);
    width: min(360px, 88vw);
    margin: 0;
    padding: var(--sp-5);
    overflow-y: auto;
    background: var(--navy-800);
    box-shadow: -14px 0 40px rgba(8, 18, 31, .35);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform var(--t-base), visibility var(--t-base);
  }
  .nav.is-open { transform: none; visibility: visible; }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav__link {
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--on-dark);
    border-radius: var(--r-sm);
  }
  .nav__link:hover { color: #fff; background: rgba(255, 255, 255, .1); }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] {
    color: #fff;
    background: rgba(240, 128, 28, .18);
    box-shadow: inset 3px 0 0 var(--accent);
  }
  .nav__aside {
    display: grid;
    gap: var(--sp-4);
    margin-top: auto;
    padding-top: var(--sp-5);
    border-top: 1px solid rgba(255, 255, 255, .16);
  }
  .nav__aside .header-phone { color: #fff; }
  .nav__aside .header-phone small { color: var(--on-dark-soft); }
  .nav__aside .nav__note { font-size: .875rem; color: var(--on-dark-soft); }
}

@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .section { padding: var(--sp-7) 0; }
  .section-head { margin-bottom: var(--sp-6); }
  .section-head p { font-size: 1rem; }

  .grid--2,
  .grid--3,
  .grid--4,
  .stats,
  .projects-grid,
  .contact-grid,
  .form__grid { grid-template-columns: minmax(0, 1fr); }

  .stats { gap: var(--sp-4); }
  .stat { padding: var(--sp-5); }
  .hero__facts { gap: var(--sp-4) var(--sp-6); }
  .page-hero { padding: var(--sp-7) 0 var(--sp-6); }
  .page-hero h1 { max-width: none; }
  .requisites { grid-template-columns: minmax(0, 1fr); padding: var(--sp-5); }
  .filters { padding: var(--sp-4); }
  .filters__label { min-width: 100%; }
  .form { padding: var(--sp-5); }
  .form__foot { flex-direction: column; align-items: stretch; }
  .form__foot .btn { width: 100%; min-width: 0; }
  .form__note { max-width: none; }
  .modal { padding: 0; align-items: flex-end; }
  .modal__dialog { width: 100%; max-height: 92vh; border-radius: var(--r-lg) var(--r-lg) 0 0; }
  .modal__head,
  .modal__body,
  .modal__foot { padding-left: var(--sp-5); padding-right: var(--sp-5); }
  .modal__foot { justify-content: stretch; }
  .modal__foot .btn { flex: 1 1 auto; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .to-top { right: 14px; bottom: 14px; }
  .timeline { padding-left: var(--sp-6); }
  .timeline > li::before { left: calc(-1 * var(--sp-6) + 2px); }
  .service-detail { padding: var(--sp-5); }
  .service-detail__head { gap: var(--sp-4); margin-bottom: var(--sp-5); }
  .service-detail__head .card__icon { width: 48px; height: 48px; }
  .service-detail__head .card__icon svg { width: 24px; height: 24px; }
}

@media (max-width: 480px) {
  :root { --gutter: 16px; }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.45rem; }

  .section { padding: var(--sp-6) 0; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn--sm { width: auto; }
  .header-actions { gap: var(--sp-2); }
  .logo__text small { display: none; }
  .logo__mark { width: 40px; height: 40px; }
  .card,
  .step,
  .testimonial,
  .value-card,
  .contact-card,
  .form-success { padding: var(--sp-5); }
  .hero__facts { flex-direction: column; gap: var(--sp-3); }
  .project-card__specs { grid-template-columns: minmax(0, 1fr); }
  .filter-chip { flex: 1 1 auto; text-align: center; }
  .filters__row { gap: var(--sp-2); }
  .nav { width: 100%; }
  .modal__specs { grid-template-columns: minmax(0, 1fr); }
  .cert-card { flex-direction: column; }
  .form-success__list li { flex-direction: column; gap: 2px; }
  .accordion__trigger { padding: var(--sp-4); font-size: 1rem; }
  .accordion__panel p,
  .accordion__panel ul { padding-left: var(--sp-4); padding-right: var(--sp-4); }
}

/* ==========================================================================
   18. Печать
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .to-top,
  .burger,
  .filters,
  .modal { display: none !important; }
  body { color: #000; background: #fff; }
  .hero,
  .page-hero,
  .section--dark { color: #000; background: #fff; }
  .hero h1,
  .page-hero h1,
  .section--dark h2 { color: #000; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a { text-decoration: underline; }
}