/* ==========================================================================
   ГК «КАПИТЕЛЬ» — чистый CSS без сборки/фреймворков.
   Дизайн фиксирован на канвасе 1200px (см. .container) — для переноса
   в Figma (html.to.design) и импорта в Tilda Zero Block.
   ========================================================================== */

:root {
  --color-trust-900: #061829;
  --color-trust-800: #0a2540;
  --color-trust-700: #0e2f52;
  --color-trust-600: #12395e;
  --color-trust-400: #4a6786;

  --color-orange-500: #ff6b00;
  --color-orange-600: #e25a00;
  --color-orange-100: #ffe8d6;

  --color-concrete-50: #fafbfc;
  --color-concrete-100: #f4f5f7;
  --color-concrete-200: #e8eaee;
  --color-concrete-300: #d7dbe0;
  --color-concrete-500: #8b93a1;
  --color-concrete-700: #5a6472;

  --color-error: #dc2626;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Oswald", "Arial Narrow", "Segoe UI", Impact, sans-serif;

  --container-width: 1200px;
}

/* ==========================================================================
   ШРИФТЫ — self-hosted
   ========================================================================== */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url("../fonts/oswald-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Oswald";
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url("../fonts/oswald-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   RESET / БАЗА
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-trust-900);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.06;
  letter-spacing: 0.01em;
}

ul, ol { list-style: none; }

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border-radius: 0;
}

button { background: none; border: none; cursor: pointer; }

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }

::selection { background: var(--color-orange-500); color: #fff; }

:focus-visible { outline: 3px solid var(--color-orange-500); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   FIXED CONTAINER — 1200px
   ========================================================================== */
.container {
  width: 1200px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

/* ==========================================================================
   УТИЛИТЫ (в т.ч. используются из main.js)
   ========================================================================== */
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--color-orange-500); color: #fff;
  padding: 0.75rem 1.25rem; font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.9rem;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 1rem; }
.shadow-lg { box-shadow: 0 10px 24px -6px rgba(6, 24, 41, 0.18); }
.opacity-60 { opacity: 0.6; }
.rotate-45 { transform: rotate(45deg); }

/* ==========================================================================
   ТИПОГРАФИЧЕСКИЕ ХЕЛПЕРЫ
   ========================================================================== */
.eyebrow {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-orange-500);
}
.eyebrow::after { content: ""; height: 1px; flex: 1; background: var(--color-concrete-300); }
.section-num { font-family: var(--font-display); font-size: 0.875rem; font-weight: 500; letter-spacing: 0.2em; color: var(--color-concrete-500); }
.section-num--on-dark { color: rgba(255, 255, 255, 0.5); }

.h1 { font-size: 3.9rem; }
.h2 { font-size: 3.1rem; }
.h3 { font-size: 1.4rem; }
.lead { font-size: 1.25rem; line-height: 1.6; color: var(--color-concrete-700); max-width: 44rem; }
.lead--on-dark { color: rgba(255, 255, 255, 0.7); }

/* ==========================================================================
   ИКОНКИ / ИЗОБРАЖЕНИЯ — классы для распознавания в Tilda
   ========================================================================== */
.svg-icon { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; color: currentColor; }
.svg-icon svg { width: 100%; height: 100%; }

.image { display: block; width: 100%; }
.image img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   КНОПКИ — единый класс .button (+ модификаторы)
   ========================================================================== */
.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.button svg { width: 1rem; height: 1rem; }
.button--block { width: 100%; }

.button--cta {
  border-color: var(--color-orange-500);
  background: var(--color-orange-500);
  color: #fff;
}
.button--cta:hover { border-color: var(--color-orange-600); background: var(--color-orange-600); }

.button--outline-light {
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #fff;
}
.button--outline-light:hover { border-color: #fff; background: #fff; color: var(--color-trust-900); }

.button--outline-dark {
  border-color: var(--color-trust-800);
  background: transparent;
  color: var(--color-trust-800);
}
.button--outline-dark:hover { background: var(--color-trust-800); color: #fff; }

/* ==========================================================================
   КАРТОЧКИ / ПОЛЯ ФОРМ
   ========================================================================== */
.card { border: 2px solid var(--color-concrete-300); background: #fff; transition: border-color 0.2s ease; }
.card--hover:hover { border-color: var(--color-trust-800); }

.field {
  display: block;
  width: 100%;
  min-height: 3.25rem;
  border: 2px solid var(--color-concrete-300);
  background: #fff;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--color-trust-900);
  transition: border-color 0.15s ease;
}
.field::placeholder { color: var(--color-concrete-500); }
.field:focus { border-color: var(--color-trust-800); outline: none; }
.field.field-error { border-color: var(--color-error); }

.label {
  margin-bottom: 0.5rem;
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-trust-800);
}
.label__optional { text-transform: none; letter-spacing: normal; color: var(--color-concrete-500); }

.err-msg { margin-top: 0.375rem; display: none; font-size: 0.875rem; font-weight: 500; color: var(--color-error); }
.err-msg.is-visible { display: block; }

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-concrete-700);
}
.checkbox-field input { margin-top: 0.125rem; flex-shrink: 0; width: 1.25rem; height: 1.25rem; accent-color: var(--color-orange-500); }
.checkbox-field a { text-decoration: underline; text-decoration-color: var(--color-orange-500); text-underline-offset: 2px; }
.checkbox-field a:hover { color: var(--color-trust-800); }

.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.choice-grid--3 { grid-template-columns: repeat(3, 1fr); }
.choice-grid__full { grid-column: 1 / -1; }

.choice {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border: 2px solid var(--color-concrete-300);
  background: #fff;
  padding: 1rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.choice:hover { border-color: var(--color-trust-400); }
.choice input { position: absolute; height: 0; width: 0; opacity: 0; }
.choice:has(input:checked) { border-color: var(--color-orange-500); background: rgba(255, 232, 214, 0.4); }
.choice:has(input:focus-visible) { outline: 3px solid var(--color-orange-500); outline-offset: 3px; }
.choice__title { font-family: var(--font-display); font-size: 1.125rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-trust-800); }
.choice__hint { font-size: 0.875rem; color: var(--color-concrete-700); }

.range-industrial {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 0.5rem;
  background: var(--color-concrete-200);
  border: 2px solid var(--color-concrete-300);
  cursor: pointer;
}
.range-industrial::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--color-orange-500);
  border: 2px solid var(--color-trust-800);
  cursor: grab;
}
.range-industrial::-moz-range-thumb {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0;
  background: var(--color-orange-500);
  border: 2px solid var(--color-trust-800);
  cursor: grab;
}

/* ==========================================================================
   ПОЯВЛЕНИЕ ПРИ СКРОЛЛЕ
   ========================================================================== */
.reveal { transform: translateY(1.5rem); opacity: 0; transition: opacity 0.7s ease-out, transform 0.7s ease-out; }
.reveal.is-visible { transform: translateY(0); opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .reveal { transform: none; opacity: 1; }
}

/* ==========================================================================
   00 · СЛУЖЕБНАЯ ПОЛОСА
   ========================================================================== */
.topbar {
  border-bottom: 1px solid rgba(18, 57, 94, 0.4);
  background: var(--color-trust-900);
  padding: 0.5rem 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.topbar__left { display: flex; align-items: center; gap: 1.5rem; }
.topbar__item { display: flex; align-items: center; gap: 0.5rem; }
.topbar__item .svg-icon { width: 1rem; height: 1rem; color: var(--color-orange-500); }
.topbar__legal { letter-spacing: 0.02em; }

/* ==========================================================================
   01 · ШАПКА
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 2px solid var(--color-concrete-200);
  background: #fff;
  transition: box-shadow 0.2s ease;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 15px; }

.header__logo { display: flex; align-items: center; gap: 0.75rem; color: var(--color-trust-800); }
.header__logo .svg-icon { width: 2.5rem; height: 2.5rem; }
.header__logo-text { line-height: 1; }
.header__logo-title { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; }
.header__logo-sub { margin-top: 0.25rem; display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--color-concrete-500); }

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav__link { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-trust-800); transition: color 0.2s ease; }
.nav__link:hover { color: var(--color-orange-500); }

.header__actions { display: flex; align-items: center; gap: 1.25rem; }
.header__phone { text-align: right; }
.header__phone-number { display: block; white-space: nowrap; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: 0.02em; color: var(--color-trust-800); transition: color 0.2s ease; }
.header__phone:hover .header__phone-number { color: var(--color-orange-500); }
.header__phone-note { display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-concrete-500); }

.header__call-icon { display: none; }
.nav-toggle { display: none; }

/* ==========================================================================
   МОБИЛЬНОЕ МЕНЮ
   ========================================================================== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-trust-900);
  color: #fff;
}
.mobile-menu.is-open { display: block; }
.mobile-menu__inner { display: flex; height: 100%; flex-direction: column; padding: 1.25rem 15px; }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; }
.mobile-menu__brand { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; }
.modal-close, .nav-close { display: flex; height: 2.75rem; width: 2.75rem; align-items: center; justify-content: center; border: 2px solid rgba(255, 255, 255, 0.3); color: #fff; }
.modal-close .svg-icon, .nav-close .svg-icon { width: 1.25rem; height: 1.25rem; }
.mobile-nav { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav__link { border-bottom: 1px solid rgba(255, 255, 255, 0.1); padding: 1rem 0; font-family: var(--font-display); font-size: 1.5rem; text-transform: uppercase; letter-spacing: 0.06em; }
.mobile-menu__footer { margin-top: auto; }
.mobile-menu__phone { display: block; font-family: var(--font-display); font-size: 1.875rem; font-weight: 600; color: #fff; }
.mobile-menu__note { margin-top: 0.25rem; font-size: 0.875rem; color: rgba(255, 255, 255, 0.6); }
.mobile-menu__footer .button { margin-top: 1.25rem; }

/* ==========================================================================
   02 · HERO
   ========================================================================== */
.hero { position: relative; overflow: hidden; background: var(--color-trust-900); isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -3; height: 100%; }
.hero__overlay { position: absolute; inset: 0; z-index: -2; background: rgba(6, 24, 41, 0.7); }
.hero__overlay--fade { z-index: -1; background: linear-gradient(to top, var(--color-trust-900), transparent 60%); }

.hero__inner { max-width: 48rem; padding: 8rem 0 7rem; }

.hero__badge {
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 2px solid rgba(255, 255, 255, 0.25);
  padding: 0.5rem 1rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.85);
}
.hero__badge-dot { height: 0.5rem; width: 0.5rem; background: var(--color-orange-500); }

.hero__title { font-size: 3.9rem; color: #fff; }
.hero__title-accent { color: var(--color-orange-500); }

.hero__subtitle { margin-top: 1.5rem; max-width: 40rem; font-size: 1.5rem; color: rgba(255, 255, 255, 0.8); }

.hero__actions { margin-top: 2.25rem; display: flex; gap: 1rem; }
.hero__actions .button--cta { min-width: 19rem; }

.hero__stats {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.15);
}
.hero__stat { background: var(--color-trust-900); padding: 1.25rem 1.5rem; }
.hero__stat-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255, 255, 255, 0.55); }
.hero__stat-value { margin-top: 0.25rem; font-family: var(--font-display); font-size: 2.25rem; font-weight: 600; color: #fff; }
.hero__stat-value--accent { color: var(--color-orange-500); }

/* ==========================================================================
   03 · БЛОК ДОВЕРИЯ
   ========================================================================== */
.clients { border-bottom: 2px solid var(--color-concrete-200); background: #fff; padding: 4rem 0; }
.clients__label { text-align: center; font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--color-concrete-500); }

.clients__marquee { position: relative; margin-top: 2rem; overflow: hidden; }
.clients__track { display: flex; width: max-content; align-items: center; gap: 4rem; animation: marquee 42s linear infinite; }
.clients__marquee:hover .clients__track,
.clients__marquee:focus-within .clients__track { animation-play-state: paused; }
.clients__logo { display: flex; flex-shrink: 0; align-items: center; gap: 0.625rem; color: var(--color-concrete-500); }
.clients__logo .svg-icon { width: 1.75rem; height: 1.75rem; }
.clients__logo-name { font-family: var(--font-display); font-size: 1.125rem; text-transform: uppercase; letter-spacing: 0.12em; }
.clients__fade { position: absolute; top: 0; bottom: 0; width: 4rem; pointer-events: none; }
.clients__fade--left { left: 0; background: linear-gradient(to right, #fff, transparent); }
.clients__fade--right { right: 0; background: linear-gradient(to left, #fff, transparent); }

.clients__badges {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 2px solid var(--color-concrete-300);
  background: var(--color-concrete-300);
}
.clients__badge { display: flex; align-items: flex-start; gap: 1rem; background: #fff; padding: 1.5rem; }
.clients__badge .svg-icon { width: 2rem; height: 2rem; margin-top: 0.125rem; color: var(--color-orange-500); }
.clients__badge-title { font-family: var(--font-display); font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-trust-800); }
.clients__badge-text { margin-top: 0.25rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.clients__badge-text span { color: var(--color-concrete-500); }
.clients__note { margin-top: 1rem; font-size: 0.75rem; color: var(--color-concrete-500); }

/* ==========================================================================
   04 · ПОЧЕМУ МЫ
   ========================================================================== */
.why { background: var(--color-concrete-100); padding: 7rem 0; }
.why__grid { display: grid; grid-template-columns: 26rem 1fr; gap: 4rem; align-items: start; }

.why__aside { position: sticky; top: 7rem; }
.why__title { font-size: 3.1rem; color: var(--color-trust-800); }
.why__lead { margin-top: 1.25rem; }
.why__image { margin-top: 2rem; border: 2px solid var(--color-trust-800); aspect-ratio: 4 / 3; }
.why__aside .button { margin-top: 2rem; }

.why__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 2px solid var(--color-concrete-300);
  background: var(--color-concrete-300);
}
.why__card { background: #fff; padding: 2rem; }
.why__card .svg-icon { width: 2.25rem; height: 2.25rem; color: var(--color-orange-500); }
.why__card-title { margin-top: 1.25rem; font-size: 1.4rem; color: var(--color-trust-800); }
.why__card-text { margin-top: 0.75rem; color: var(--color-concrete-700); }

/* ==========================================================================
   05 · ЭТАПЫ
   ========================================================================== */
.process { background: var(--color-trust-800); color: #fff; padding: 7rem 0; }
.process__intro { max-width: 48rem; }
.process__title { font-size: 3.1rem; }
.process__lead { margin-top: 1.25rem; }

.process__list {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.2);
}
.process__step { background: var(--color-trust-800); padding: 2rem; }
.process__step-number { font-family: var(--font-display); font-size: 3rem; font-weight: 600; color: var(--color-orange-500); }
.process__step-title { margin-top: 1rem; font-size: 1.4rem; }
.process__step-text { margin-top: 0.75rem; color: rgba(255, 255, 255, 0.7); }
.process__step-result { margin-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.15); padding-top: 1rem; font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.5); }

/* ==========================================================================
   06 · ТАРИФЫ
   ========================================================================== */
.tariffs { background: #fff; padding: 7rem 0; }
.tariffs__intro { max-width: 48rem; }
.tariffs__title { font-size: 3.1rem; color: var(--color-trust-800); }
.tariffs__lead { margin-top: 1.25rem; }

.tariffs__grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.tariffs__note { margin-top: 2rem; max-width: 56rem; font-size: 0.875rem; color: var(--color-concrete-500); }

.tariff-card { display: flex; flex-direction: column; }
.tariff-card--featured { position: relative; border-color: var(--color-orange-500); margin-top: -1.5rem; }
.tariff-card__badge {
  position: absolute; top: -2px; left: 0; z-index: 10;
  background: var(--color-orange-500); color: #fff;
  padding: 0.5rem 1rem; font-family: var(--font-display);
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em;
}
.tariff-card__image { aspect-ratio: 4 / 3; }
.tariff-card__body { display: flex; flex: 1; flex-direction: column; padding: 2rem; }
.tariff-card__title { font-family: var(--font-display); font-size: 1.5rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-trust-800); }
.tariff-card__desc { margin-top: 0.5rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.tariff-card__price { margin-top: 1.5rem; font-family: var(--font-display); font-size: 2.25rem; font-weight: 600; color: var(--color-trust-800); }
.tariff-card__price span { font-size: 1.5rem; }

.tariff-card__features { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; border-top: 2px solid var(--color-concrete-200); padding-top: 1.5rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.tariff-card__features li { display: flex; gap: 0.75rem; }
.tariff-card__features li::before { content: ""; margin-top: 0.5rem; height: 0.375rem; width: 0.375rem; flex-shrink: 0; background: var(--color-orange-500); }

.tariff-card__meta { margin-top: 1.5rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 2px solid var(--color-concrete-200); background: var(--color-concrete-200); text-align: center; }
.tariff-card__meta div { background: #fff; padding: 0.75rem 0.5rem; }
.tariff-card__meta dt { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-concrete-500); }
.tariff-card__meta dd { font-family: var(--font-display); font-size: 1.125rem; color: var(--color-trust-800); }
.tariff-card__body .button { margin-top: 1.5rem; }

/* ==========================================================================
   07 · ОБЪЕКТЫ
   ========================================================================== */
.cases { background: var(--color-concrete-100); padding: 7rem 0; }
.cases__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }
.cases__title { font-size: 3.1rem; color: var(--color-trust-800); }
.cases__lead { max-width: 28rem; color: var(--color-concrete-700); }

.cases__grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.case-card { display: flex; flex-direction: column; }
.case-card__image { aspect-ratio: 4 / 3; }
.case-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.5rem; }
.case-card__tag { font-family: var(--font-display); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--color-orange-500); }
.case-card__title { margin-top: 0.75rem; font-size: 1.4rem; color: var(--color-trust-800); }
.case-card__text { margin-top: 0.75rem; flex: 1; font-size: 0.875rem; color: var(--color-concrete-700); }
.case-card__meta { margin-top: 1.25rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 2px solid var(--color-concrete-200); background: var(--color-concrete-200); }
.case-card__meta div { background: #fff; padding: 0.75rem; }
.case-card__meta dt { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-concrete-500); }
.case-card__meta dd { font-family: var(--font-display); font-size: 1.125rem; color: var(--color-trust-800); }
.case-card__meta dd.is-accent { color: var(--color-orange-500); }

/* ==========================================================================
   CTA-ПОЛОСА
   ========================================================================== */
.cta-banner { position: relative; overflow: hidden; background: var(--color-trust-900); padding: 4rem 0; isolation: isolate; }
.cta-banner__media { position: absolute; inset: 0; z-index: -2; height: 100%; }
.cta-banner__overlay { position: absolute; inset: 0; z-index: -1; background: rgba(6, 24, 41, 0.85); }
.cta-banner__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta-banner__text { max-width: 40rem; }
.cta-banner__title { font-size: 1.875rem; color: #fff; }
.cta-banner__desc { margin-top: 0.75rem; color: rgba(255, 255, 255, 0.75); }

/* ==========================================================================
   08 · РАСЧЁТ СМЕТЫ
   ========================================================================== */
.calc { background: var(--color-trust-800); color: #fff; padding: 7rem 0; }
.calc__grid { display: grid; grid-template-columns: 24rem 1fr; gap: 4rem; align-items: start; }

.calc__title { font-size: 3.1rem; }
.calc__lead { margin-top: 1.25rem; }
.calc__benefits { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; color: rgba(255, 255, 255, 0.8); }
.calc__benefit { display: flex; gap: 0.75rem; }
.calc__benefit .svg-icon { width: 1.25rem; height: 1.25rem; margin-top: 0.125rem; color: var(--color-orange-500); }
.calc__image { margin-top: 2.5rem; border: 2px solid rgba(255, 255, 255, 0.2); aspect-ratio: 4 / 3; }

.calc__panel { background: #fff; color: var(--color-trust-900); padding: 2.5rem; }

.calc__progress { margin-bottom: 2rem; }
.calc__progress-row { display: flex; align-items: center; justify-content: space-between; }
.calc__progress-step { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-trust-800); }
.calc__progress-name { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-concrete-500); }
.calc__progress-bar { margin-top: 0.75rem; height: 0.375rem; width: 100%; background: var(--color-concrete-200); }
.calc__progress-fill { height: 100%; width: 33.33%; background: var(--color-orange-500); transition: width 0.3s ease; }

.calc-step__legend { margin-bottom: 1rem; }

.calc-field + .calc-field { margin-top: 1.25rem; }
.calc__area-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.calc__area-input-group { display: flex; align-items: baseline; gap: 0.5rem; }
.calc__area-input-group .field { width: 8rem; text-align: right; font-family: var(--font-display); font-size: 1.25rem; }
.calc__area-unit { font-family: var(--font-display); font-size: 1.125rem; color: var(--color-trust-800); }
.calc__area-hint { margin-top: 0.5rem; font-size: 0.75rem; color: var(--color-concrete-500); }

.calc__fields-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

.calc__estimate { margin-top: 2rem; border: 2px solid var(--color-trust-800); background: var(--color-concrete-100); padding: 1.5rem; }
.calc__estimate-label { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-concrete-500); }
.calc__estimate-value { margin-top: 0.5rem; font-family: var(--font-display); font-size: 1.875rem; font-weight: 600; color: var(--color-trust-800); }
.calc__estimate-meta { margin-top: 0.5rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.calc__estimate-note { margin-top: 0.75rem; font-size: 0.75rem; color: var(--color-concrete-500); }

.calc__nav { margin-top: 1.5rem; display: flex; gap: 0.75rem; }
.calc__nav .button { flex: 1; }

.calc__success { text-align: center; }
.calc__success-icon { margin: 0 auto; display: flex; height: 4rem; width: 4rem; align-items: center; justify-content: center; border: 2px solid var(--color-orange-500); background: var(--color-orange-500); }
.calc__success-icon .svg-icon { width: 2rem; height: 2rem; color: #fff; }
.calc__success-title { margin-top: 1.5rem; font-size: 1.4rem; color: var(--color-trust-800); }
.calc__success-text { margin-top: 0.75rem; color: var(--color-concrete-700); }
.calc__success-box { margin-top: 1.5rem; border: 2px solid var(--color-concrete-300); background: var(--color-concrete-100); padding: 1.25rem; text-align: left; }
.calc__success-box-label { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-concrete-500); }
.calc__success-box-value { margin-top: 0.5rem; font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--color-trust-800); }
.calc__success .button { margin-top: 1.5rem; }

/* ==========================================================================
   09 · ВОПРОСЫ
   ========================================================================== */
.faq { background: #fff; padding: 7rem 0; }
.faq__grid { display: grid; grid-template-columns: 22rem 1fr; gap: 4rem; align-items: start; }
.faq__title { font-size: 3.1rem; color: var(--color-trust-800); }
.faq__lead { margin-top: 1.25rem; }

.faq__list { border-top: 2px solid var(--color-concrete-300); }
.faq-item { border-bottom: 2px solid var(--color-concrete-300); }
.faq-item__button {
  display: flex; width: 100%; align-items: flex-start; justify-content: space-between;
  gap: 1.5rem; padding: 1.5rem 0; text-align: left;
}
.faq-item__question { font-family: var(--font-display); font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-trust-800); }
.faq-item__icon {
  margin-top: 0.25rem; display: flex; height: 1.75rem; width: 1.75rem; flex-shrink: 0;
  align-items: center; justify-content: center; border: 2px solid var(--color-trust-800);
  color: var(--color-trust-800); transition: transform 0.2s ease;
}
.faq-item__icon svg { width: 1rem; height: 1rem; }
.faq-item__panel { padding-bottom: 1.5rem; padding-right: 3rem; color: var(--color-concrete-700); }

/* ==========================================================================
   10 · ПОДВАЛ
   ========================================================================== */
.footer { background: var(--color-trust-900); color: #fff; padding: 4rem 0; }
.footer__top { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; border-bottom: 1px solid rgba(255, 255, 255, 0.15); padding-bottom: 3rem; }

.footer__brand-row { display: flex; align-items: center; gap: 0.75rem; }
.footer__brand-row .svg-icon { width: 2.5rem; height: 2.5rem; }
.footer__brand-name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; }
.footer__desc { margin-top: 1.25rem; font-size: 0.875rem; color: rgba(255, 255, 255, 0.6); }

.footer__heading { font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--color-orange-500); }
.footer__list { margin-top: 1.25rem; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; color: rgba(255, 255, 255, 0.7); }
.footer__list a:hover { color: #fff; }
.footer__phone { font-family: var(--font-display); font-size: 1.5rem; color: #fff; }
.footer__phone:hover { color: var(--color-orange-500); }
.footer__contacts .button { margin-top: 1.5rem; }

.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 2rem; font-size: 0.75rem; color: rgba(255, 255, 255, 0.45); }

/* ==========================================================================
   ЛИПКАЯ CTA-ПАНЕЛЬ (мобильные)
   ========================================================================== */
.mobile-cta {
  display: none;
  position: fixed; inset-inline: 0; bottom: 0; z-index: 40;
  grid-template-columns: repeat(2, 1fr); gap: 1px;
  border-top: 2px solid var(--color-trust-900); background: var(--color-trust-900);
}
.mobile-cta__call, .mobile-cta__survey {
  display: flex; min-height: 3.5rem; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-display); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.mobile-cta__call { background: #fff; color: var(--color-trust-800); }
.mobile-cta__survey { background: var(--color-orange-500); color: #fff; }
.mobile-cta .svg-icon { width: 1rem; height: 1rem; }

/* ==========================================================================
   МОДАЛКА «ВЫЗВАТЬ ЗАМЕРЩИКА»
   ========================================================================== */
.modal {
  display: none;
  position: fixed; inset: 0; z-index: 70;
  align-items: center; justify-content: center;
  background: rgba(6, 24, 41, 0.8);
  padding: 1rem;
}
.modal.is-open { display: flex; }
.modal__dialog { max-height: 100%; width: 100%; max-width: 32rem; overflow-y: auto; border: 2px solid var(--color-trust-800); background: #fff; padding: 2rem; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.modal__eyebrow { font-family: var(--font-display); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--color-orange-500); }
.modal__title { margin-top: 0.5rem; font-size: 1.5rem; color: var(--color-trust-800); }
.modal__text { margin-top: 1rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.modal__form { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1.25rem; }
.modal__submit-note { text-align: center; font-size: 0.75rem; color: var(--color-concrete-500); }
.modal__success { padding: 1.5rem 0; text-align: center; }
.modal__success-icon { margin: 0 auto; display: flex; height: 3.5rem; width: 3.5rem; align-items: center; justify-content: center; background: var(--color-orange-500); }
.modal__success-icon .svg-icon { width: 1.75rem; height: 1.75rem; color: #fff; }
.modal__success-title { margin-top: 1.25rem; font-size: 1.4rem; color: var(--color-trust-800); }
.modal__success-text { margin-top: 0.75rem; font-size: 0.875rem; color: var(--color-concrete-700); }
.modal__success .button { margin-top: 1.5rem; }

/* ==========================================================================
   АДАПТИВ — ниже 1024px раскладка переходит в мобильную
   ========================================================================== */
@media (max-width: 1023px) {
  .topbar { display: none; }
  .nav, .header__phone { display: none; }
  .header__call-icon { display: flex; height: 2.75rem; width: 2.75rem; align-items: center; justify-content: center; border: 2px solid var(--color-trust-800); color: var(--color-trust-800); }
  .header__call-icon .svg-icon { width: 1.25rem; height: 1.25rem; }
  .nav-toggle { display: flex; height: 2.75rem; width: 2.75rem; align-items: center; justify-content: center; border: 2px solid var(--color-concrete-300); color: var(--color-trust-800); }
  .nav-toggle .svg-icon { width: 1.25rem; height: 1.25rem; }
  .header__actions .button--cta { display: none; }

  .hero__inner { padding: 4rem 0 3.5rem; max-width: 100%; }
  .hero__title { font-size: 2.15rem; }
  .hero__subtitle { font-size: 1.125rem; }
  .hero__actions { flex-direction: column; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); margin-top: 3rem; }

  .clients__badges { grid-template-columns: 1fr; }

  .why__grid, .calc__grid, .faq__grid { grid-template-columns: 1fr; gap: 3rem; }
  .why__aside { position: static; }
  .why__image { display: none; }
  .why__list { grid-template-columns: 1fr; }
  .why__title, .tariffs__title, .cases__title, .calc__title, .faq__title, .process__title { font-size: 2rem; }

  .process__list { grid-template-columns: 1fr; }

  .tariffs__grid, .cases__grid { grid-template-columns: 1fr; gap: 2rem; }
  .tariff-card--featured { margin-top: 0; }

  .cta-banner__inner { flex-direction: column; align-items: flex-start; }

  .calc__image { display: none; }
  .calc__fields-grid { grid-template-columns: 1fr; }
  .calc__nav { flex-direction: column; }

  .footer__top { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  .mobile-cta { display: grid; }
  body { padding-bottom: 3.5rem; }
}

@media (max-width: 639px) {
  .footer__top { grid-template-columns: 1fr; }
  .choice-grid, .choice-grid--3 { grid-template-columns: 1fr; }
  .calc__fields-grid { grid-template-columns: 1fr; }
  .calc__panel { padding: 1.5rem; }
}