/* ==========================================================================
   ЭКОТЕХПРОМ — премиальный дизайн (LIGHT ECO)
   Уровень: сложный сайт, 3D-эффекты, depth. Без библиотек, чистый CSS.
   ========================================================================== */

:root {
  --bg: #fbfcf8;
  --surface: #ffffff;
  --surface-2: #f2f7f0;
  --foreground: #0e1f13;
  --muted: #5a6b60;
  --muted-strong: #3d4a42;      /* контрастный оттенок для мелкого текста ≥4.5:1 */
  --border: #e3ecdf;
  --border-strong: #c9dcc5;

  --primary: #2f9e44;
  --primary-strong: #238a37;
  --primary-dark: #176b2a;
  --primary-soft: #e7f6e9;
  --accent: #7ed957;
  --teal: #0f9d9a;              /* «чистота/вода», вспомогательный акцент */
  --danger: #d64545;
  --success: #2f9e44;
  --on-dark: #eaf6ec;

  --focus-ring: 0 0 0 4px rgba(47, 158, 68, 0.28);

  --radius: 22px;
  --radius-lg: 30px;
  --radius-xl: 40px;

  --shadow-sm: 0 1px 2px rgba(14, 31, 19, 0.06), 0 6px 16px rgba(14, 31, 19, 0.05);
  --shadow-md: 0 12px 32px rgba(14, 31, 19, 0.09);
  --shadow-lg: 0 30px 70px rgba(14, 31, 19, 0.16);
  --shadow-green: 0 14px 34px -10px rgba(47, 158, 68, 0.55);

  --header-h: 78px;
  --container: 1200px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--foreground);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
em { font-style: normal; color: var(--danger); }
button { font-family: inherit; }

/* Доступность: видимый фокус для клавиатуры (требование навыка UX) */
:is(a, button, input, textarea, select, .btn, .nav-link, .service-card) {
  outline: none;
}
:is(a, button, input, textarea, select):focus-visible,
:is(a, button, input, textarea, select):focus-within {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 8px;
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: none; box-shadow: var(--focus-ring);
}

h1, h2, h3, h4, .section-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; position: relative; }
.section--tint { background: var(--surface-2); }

/* ---------- Типографика ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 7px 15px;
  border: 1px solid #cde8d2;
  border-radius: 999px;
  background: #f2fbf3;
  margin-bottom: 20px;
}
.eyebrow--on-dark { color: var(--on-dark); border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.1); }

.section-title {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: 18px;
}
.section-sub { color: var(--muted); font-size: 1.08rem; max-width: 640px; }
.section__head { margin-bottom: 56px; }
.section__head.split { max-width: 720px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 600; font-size: 0.95rem;
  border-radius: 14px; padding: 14px 26px;
  cursor: pointer; border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
      background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  position: relative; overflow: hidden;
}
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }

.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff; box-shadow: var(--shadow-green);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -10px rgba(47,158,68,0.65); }

.btn--ghost { background: var(--surface); color: var(--foreground); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }

.btn--light { background: #fff; color: var(--primary-dark); }
.btn--light:hover { background: var(--on-dark); transform: translateY(-3px); }

.btn--sm { padding: 10px 18px; font-size: 0.86rem; border-radius: 12px; }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- Кастомный курсор отключён (используем системный) ---------- */

/* ---------- Прелоадер ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--foreground);
  display: grid; place-items: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
  /* Гарантия: если JS не сработал, прелоадер всё равно уходит сам
     и никогда не блокирует клики/скролл. */
  animation: preloader-fade 0.6s var(--ease) 1.8s forwards;
  pointer-events: none;
}
@keyframes preloader-fade { to { opacity: 0; visibility: hidden; } }
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader__inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.preloader__ring {
  width: 64px; height: 64px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
.preloader__text { color: var(--on-dark); font-family: var(--font-display); letter-spacing: 0.3em; font-size: 0.9rem; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Шапка ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
  background: linear-gradient(180deg, #f3faf1 0%, var(--bg) 70%);
}
.header-inner {
  display: flex; align-items: center; gap: 30px; height: var(--header-h);
}
.site-header.is-stuck {
  background: rgba(251,252,248,0.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}
.site-header.is-hidden-nav { transform: translateY(-100%); }

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { flex: 0 0 auto; filter: drop-shadow(0 4px 10px rgba(47,158,68,0.4)); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-family: var(--font-display); font-size: 1.08rem; font-weight: 700; letter-spacing: 0.02em; }
.brand__text small { color: var(--muted); font-size: 0.7rem; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 15px; border-radius: 11px;
  font-weight: 500; font-size: 0.93rem; background: none; border: none; cursor: pointer;
  color: var(--foreground);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.is-open { color: var(--primary); background: var(--primary-soft); }

.nav-drop { position: relative; }
.nav-drop__menu {
  position: absolute; top: calc(100% + 12px); left: 0;
  min-width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  z-index: 50;
}
.nav-drop:hover .nav-drop__menu, .nav-drop.is-open .nav-drop__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-drop__menu a {
  display: block; padding: 11px 15px; border-radius: 12px;
  font-size: 0.92rem; font-weight: 500;
  transition: background 0.15s, color 0.15s, transform 0.15s var(--ease);
}
.nav-drop__menu a:hover { background: var(--primary-soft); color: var(--primary); transform: translateX(4px); }

.header-contact { display: flex; align-items: center; gap: 18px; margin-left: 16px; }
.header-contact__phone { display: flex; flex-direction: column; line-height: 1.25; font-size: 0.82rem; text-align: right; }
.header-contact__phone small { color: var(--muted); }
.header-contact__phone a { font-weight: 600; font-size: 0.95rem; }

.nav-burger { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding: var(--header-h) 0 80px; }
.hero__bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero__layer { position: absolute; inset: -10% 0; }
.hero__layer--1 { background: radial-gradient(60% 50% at 85% 0%, rgba(126,217,87,0.35), transparent 60%); }
.hero__layer--2 { background: radial-gradient(50% 40% at 5% 100%, rgba(47,158,68,0.22), transparent 60%); }
.hero__layer--3 { background: linear-gradient(180deg, #f3faf1 0%, var(--bg) 70%); }

.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }

/* Грид-колонки не должны распирать страницу шире экрана:
   min-width:0 позволяет колонкам сжиматься под контент и убирает
   горизонтальный overflow на мобильной ширине. */
.hero__inner > *, .manifest__body > *, .manifest__grid > *,
.about__inner > *, .contacts__grid > *, .form-panel > *,
.services__grid > *, .process__list > * { min-width: 0; }

.hero__eyebrow { font-size: 0.85rem; color: var(--primary-dark); font-weight: 600; margin-bottom: 28px; letter-spacing: 0.02em; }
.hero__title { font-size: clamp(2.4rem, 5.4vw, 4.2rem); font-weight: 600; line-height: 1.03; margin-bottom: 26px; }
.hero__accent { color: var(--primary); position: relative; }
.hero__accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 0.34em;
  background: linear-gradient(90deg, rgba(126,217,87,0.45), transparent);
  border-radius: 4px; z-index: -1;
}
.hero__sub { font-size: 1.12rem; color: var(--muted); max-width: 520px; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero__stats { display: flex; gap: 40px; flex-wrap: wrap; padding-top: 8px; }
.hero__stat dt { font-family: var(--font-display); font-size: 2rem; font-weight: 700; line-height: 1; }
.hero__stat dd { color: var(--muted-strong); font-size: 0.88rem; margin-top: 6px; }

/* Hero visual: 3D-parallax карточка */
.hero__visual { position: relative; height: 520px; perspective: 1000px; }
.tilt-layer { transform-style: preserve-3d; will-change: transform; }
.visual-card--main {
  position: absolute; top: 30px; left: 0; width: 74%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.visual-card--main:hover { box-shadow: 0 40px 90px rgba(14,31,19,0.22); }
.visual-card__media {
  height: 320px; position: relative;
}
/* Фолбэк-градиент если фото не найдено — блок всегда остаётся видимым */
.visual-card__media, .about__media {
  background: linear-gradient(135deg, #2f9e44 0%, #57b96b 40%, #8fdc7a 100%);
  transform: scale(1.02);
  transition: transform 0.6s var(--ease);
}
.visual-card__media-grad, .service-card__img-grad, .about__media-grad {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,27,14,0.45) 100%);
}
.visual-card__caption { padding: 26px 28px; }
.visual-card__caption h3 { font-size: 1.35rem; font-weight: 600; margin-bottom: 8px; }
.visual-card__caption p { color: var(--muted); font-size: 0.95rem; }

.tag { display: inline-block; padding: 6px 13px; border-radius: 999px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 14px; }
.tag--green { background: var(--primary-soft); color: var(--primary-dark); }

.visual-card--floating {
  position: absolute; top: 40px; right: 0;
  display: flex; align-items: center; gap: 10px;
  background: var(--primary);
  color: #fff;
  padding: 16px 22px; border-radius: 18px;
  box-shadow: var(--shadow-green);
  font-weight: 600;
  z-index: 2;
  white-space: nowrap;
}

/* ---------- Manifest ---------- */
.manifest__head { max-width: 760px; margin-bottom: 56px; }
.manifest__body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: end; }
.manifest__lead { font-size: 1.5rem; font-weight: 400; line-height: 1.5; font-family: var(--font-display); }
.manifest__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.manifest__stat { display: flex; flex-direction: column; gap: 6px; }
.manifest__stat strong { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--primary); }
.manifest__stat span { color: var(--muted-strong); font-size: 0.9rem; }

/* ---------- Services ---------- */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  transform-style: preserve-3d;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary-soft); }
.service-card__media {
  height: 220px; position: relative; overflow: hidden;
  display: flex; align-items: flex-start; justify-content: space-between; padding: 22px;
  background: linear-gradient(135deg, #2f9e44 0%, #57b96b 40%, #8fdc7a 100%);
}
/* Явный <img> внутри медиа-блока всегда заполняет его (надёжный способ показать картинку) */
.service-card__media > img,
.visual-card__media > img,
.about__media > img,
.case-hero__media > img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; z-index: 0;
}
.service-card__media > .service-card__img-grad,
.visual-card__media > .visual-card__media-grad,
.about__media > .about__media-grad,
.case-hero__media > .case-hero__media-grad { z-index: 1; }
.service-card__num, .visual-card__caption, .service-card__body { position: relative; z-index: 2; }
.service-card:hover .service-card__media { transform: scale(1.03); }
.service-card__num {
  position: relative; z-index: 2;
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: #fff; opacity: 0.95;
}
.service-card__body { padding: 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.service-card__body h3 { font-size: 1.3rem; font-weight: 600; }
.service-card__body p { color: var(--muted-strong); font-size: 0.95rem; }
.service-card__arrow {
  margin-top: auto; padding-top: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--primary); font-size: 0.9rem;
  transition: gap 0.25s var(--ease);
}
.service-card:hover .service-card__arrow { gap: 12px; }

.service-card--cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-color: transparent; color: #fff; justify-content: center; text-align: left;
}
.service-card--cta:hover { border-color: transparent; }
.service-card__cta-inner { padding: 34px; display: flex; flex-direction: column; gap: 16px; height: 100%; justify-content: space-between; }
.service-card__cta-inner h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.2; }

/* ---------- Process ---------- */
.process__head { margin-bottom: 56px; }
.process__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process__step {
  position: relative; padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  overflow: hidden;
}
.process__step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-soft); }
.process__line { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); }
.process__step:hover .process__line { transform: scaleX(1); }
.process__num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--primary); opacity: 0.4; display: block; margin-bottom: 20px; }
.process__step h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 10px; }
.process__step p { color: var(--muted-strong); font-size: 0.93rem; }

/* ---------- About ---------- */
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about__visual { position: relative; perspective: 1000px; }
.about__media {
  height: 520px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.about__card {
  position: absolute; left: -18px; bottom: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px 26px;
  display: flex; flex-direction: column; gap: 4px;
}
.about__card-kicker { font-size: 0.76rem; color: var(--muted); letter-spacing: 0.05em; text-transform: uppercase; }
.about__card strong { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--primary); }
.about__card span:last-child { font-size: 0.88rem; color: var(--muted); }

.about__points { margin: 30px 0 36px; display: grid; gap: 16px; }
.about__points li { display: flex; align-items: flex-start; gap: 13px; font-weight: 500; }
.check {
  width: 24px; height: 24px; flex: 0 0 24px;
  display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary);
  border-radius: 50%; font-size: 0.78rem; font-weight: 700; margin-top: 2px;
}
.about__meta { display: flex; gap: 44px; }
.about__meta div { display: flex; flex-direction: column; gap: 2px; }
.about__meta span { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.about__meta strong { font-family: var(--font-display); font-size: 1.1rem; }

/* ---------- Contacts ---------- */
.contacts__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-soft); }
.contact-card__icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary);
  border-radius: 14px; margin-bottom: 20px;
  transition: background 0.2s, color 0.2s;
}
.contact-card:hover .contact-card__icon { background: var(--primary); color: #fff; }
.contact-card__label { color: var(--muted-strong); font-size: 0.85rem; margin-bottom: 5px; }
.contact-card__value { font-weight: 600; font-size: 1.08rem; display: inline-block; }
.contact-card__value a:hover { color: var(--primary); }

/* ---------- Form panel ---------- */
.form-panel {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 56px;
}
.form-panel__contacts { margin-top: 36px; display: grid; gap: 14px; min-width: 0; }
.form-panel__contacts div { display: flex; gap: 16px; align-items: baseline; min-width: 0; }
.form-panel__contacts span { color: var(--muted); min-width: 80px; font-size: 0.9rem; }
.form-panel__contacts a { font-weight: 600; overflow-wrap: anywhere; word-break: break-word; }
.form-panel__contacts a:hover { color: var(--primary); }

.feedback-form { display: grid; gap: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field-row > * { min-width: 0; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field input, .field textarea {
  width: 100%; min-width: 0; max-width: 100%;
  font-family: inherit; font-size: 0.96rem;
  padding: 14px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: 13px;
  background: var(--bg);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--primary);
  background: #fff; box-shadow: 0 0 0 4px rgba(47,158,68,0.12);
}
.field input::placeholder, .field textarea::placeholder { color: #a3b0a6; }

.file-field {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px; border: 1.5px dashed var(--border-strong);
  border-radius: 14px; background: var(--bg);
  cursor: pointer; transition: border-color 0.2s, background 0.2s;
  min-width: 0;
}
.file-field:hover { border-color: var(--primary); background: var(--primary-soft); }
.file-field__head { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 0.94rem; min-width: 0; }
.file-field__head svg { flex: 0 0 auto; }
.file-field input { font-size: 0.88rem; min-width: 0; max-width: 100%; }
.file-field small { color: var(--muted); }

.agree { display: flex; gap: 11px; align-items: flex-start; font-size: 0.86rem; color: var(--muted); min-width: 0; }
.agree input { margin-top: 3px; accent-color: var(--primary); flex: 0 0 auto; }
.agree a { color: var(--primary); font-weight: 600; overflow-wrap: anywhere; word-break: break-word; }

/* ---------- Форма: состояния (loading / error / success) ---------- */
.field.has-error input, .field.has-error textarea {
  border-color: var(--danger);
  background: #fff8f8;
  box-shadow: 0 0 0 4px rgba(214, 69, 69, 0.12);
}
.field__error { display: none; color: var(--danger); font-size: 0.82rem; font-weight: 500; margin-top: 4px; }
.field.has-error .field__error { display: block; }

.feedback-form.is-loading .btn[type="submit"] { pointer-events: none; opacity: 0.85; }
.btn .btn__spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff;
  animation: spin .7s linear infinite; display: none; vertical-align: middle;
}
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading svg, .btn.is-loading .btn__label { opacity: 0; }
.btn.is-loading .btn__spinner { opacity: 1; }

.form-status { display: none; margin-top: 14px; padding: 13px 16px; border-radius: 12px; font-size: 0.92rem; font-weight: 500; }
.form-status.is-visible { display: block; }
.form-status.is-error { background: #fff2f2; color: var(--danger); border: 1px solid #ffd9d9; }
.form-status.is-success { background: var(--primary-soft); color: var(--primary-dark); border: 1px solid #cde8d2; }

/* ---------- Map ---------- */
.map-section iframe { display: block; filter: saturate(0.95) contrast(0.98); }

/* ---------- Footer ---------- */
.site-footer { background: var(--foreground); color: var(--on-dark); }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px;
  padding: 72px 0 56px;
}
.brand--footer .brand__text strong { color: #fff; }
.brand--footer .brand__text small { color: #9fb8a6; }
.footer__col--brand > p { margin-top: 18px; color: #9fb8a6; font-size: 0.92rem; line-height: 1.7; }
.footer__legal { margin-top: 8px !important; }
.footer__col h3 { color: #fff; font-size: 1.05rem; margin-bottom: 20px; }
.footer__col ul { display: grid; gap: 13px; }
.footer__col ul a { color: #cfe4d4; font-size: 0.95rem; transition: color 0.15s; }
.footer__col ul a:hover { color: var(--accent); }
.footer__col address { font-style: normal; color: #cfe4d4; font-size: 0.95rem; line-height: 2; }
.footer__col address a:hover { color: var(--accent); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; text-align: center; color: #7d9286; font-size: 0.9rem; }

/* ---------- Scroll top ---------- */
.scroll-top {
  position: fixed; left: 24px; bottom: 24px;
  width: 50px; height: 50px; border-radius: 15px;
  border: none; background: var(--primary); color: #fff;
  cursor: pointer; box-shadow: var(--shadow-green);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s, background 0.2s;
  z-index: 40;
}
.scroll-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--primary-strong); }

/* ---------- Reveal анимации ---------- */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* NO-JS фолбэк: если скрипты не выполнились, показываем весь контент
   и прячем прелоадер, чтобы сайт был всегда видим, кликабелен и скроллился. */
html.no-js .reveal { opacity: 1; transform: none; }
html.no-js .preloader { display: none; }
html.no-js .hero__layer, html.no-js .about__media { transform: none !important; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  body { cursor: auto; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; height: 460px; }
  .manifest__body { grid-template-columns: 1fr; gap: 40px; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .process__list { grid-template-columns: 1fr 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .form-panel { grid-template-columns: 1fr; padding: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }

  /* mobile nav */
  .main-nav {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; top: 0; right: 0; width: min(82vw, 360px); height: 100vh;
    background: var(--surface); box-shadow: var(--shadow-lg);
    padding: calc(var(--header-h) + 16px) 26px 40px; gap: 4px;
    transform: translateX(100%); transition: transform 0.4s var(--ease);
    z-index: 70; margin: 0;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav .nav-link { width: 100%; }
  .nav-drop__menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 0 0 12px; min-width: 0; background: transparent;
  }
  .nav-drop { width: 100%; }
  .header-contact { margin-left: auto; }
  .header-contact__phone { display: none; }
  .nav-burger {
    display: inline-flex; flex-direction: column; gap: 5px;
    margin-left: 10px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 80;
  }
  .nav-burger span { width: 24px; height: 2.5px; background: var(--foreground); border-radius: 2px; transition: 0.25s var(--ease); }
  .nav-burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-burger.is-open span:nth-child(2) { opacity: 0; }
  .nav-burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

@media (max-width: 768px) {
  .section { padding: 76px 0; }
  .services__grid { grid-template-columns: 1fr; }
  .process__list { grid-template-columns: 1fr; }
  .contacts__grid { grid-template-columns: 1fr; }
  .manifest__grid { grid-template-columns: 1fr; gap: 20px; }
  .field-row { grid-template-columns: 1fr; }
  .form-panel { padding: 28px; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .about__media { height: 380px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 30px); }
  /* На мобильных hero-карточка становится статичной (в потоке), чтобы её
     медиа + подпись не превышали высоту контейнера и не наезжали на контент
     ниже (заголовок главной). Высота контейнера — по содержимому. */
  .hero__visual { height: auto; }
  .visual-card--main { position: static; width: 100%; top: auto; left: auto; }
  /* декоративный бейдж прячем на малых экранах — не перекрывает фото/текст */
  .visual-card--floating { display: none; }
  .hero__stats { gap: 24px; }
  .visual-card__media { height: 240px; }
}

/* На узких экранах скрываем кнопку «Рассчитать стоимость» в шапке, чтобы помещался бургер */
@media (max-width: 449px) {
  .header-contact .btn { display: none; }
}

.soc img {
width: 42px;
margin: 0 10px;
}

.soc {
display: flex;
  margin-top: -60px;
  margin-right: 15px;
  position: fixed;
  z-index: 1000000;
  right: 0;
  bottom: 80px;
}