/* ============================================================
   DOMSTROY — премиальный сайт компании по строительству
   деревянных домов под ключ
   Единый файл стилей для всех страниц
   ------------------------------------------------------------
   ГДЕ МЕНЯТЬ:
   - Цвета и шрифты: :root ниже
   - Расстояния/печати: блоки --section-*
   ============================================================ */

:root {
  /* Цветовая палитра: бежевый, тёмное дерево, графит, белый */
  --beige-50:    #f7f2ea;   /* светлый фон */
  --beige-100:   #efe6d7;   /* песочно-бежевый */
  --beige-200:   #e3d3b8;   /* акцент беж */
  --wood-600:    #4c3522;   /* тёмное дерево */
  --wood-700:    #3b2a1b;   /* самое тёмное дерево */
  --wood-800:    #2c1f13;
  --graphite:    #262522;   /* графитовый */
  --graphite-2:  #33312d;
  --white:       #ffffff;
  --cream:       #fbf8f3;

  /* Типографика */
  --font-serif:  Georgia, 'Times New Roman', Times, serif;
  --font-sans:   -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;

  /* Размеры */
  --container:   1200px;
  --radius:      6px;
  --shadow-soft: 0 20px 50px rgba(38, 37, 34, 0.10);
  --shadow-hard: 0 10px 30px rgba(38, 37, 34, 0.16);

  --transition:  all 0.35s cubic-bezier(0.22, 1, 0.36, 1);

  /* Секции */
  --section-pad: clamp(70px, 8vw, 120px);
}

/* ---------- Сброс ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--graphite);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-serif); margin: 0; font-weight: 600; color: var(--graphite); }
p { margin: 0 0 1rem; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Контейнер ---------- */
.container { width: min(var(--container), 92%); margin-inline: auto; }

/* ---------- ШАПКА (header.html) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(251, 248, 243, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(38, 37, 34, 0.08);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(38, 37, 34, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--wood-700);
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--wood-700);
  color: var(--beige-100);
  font-size: 1.2rem;
  flex: none;
}
.logo small { display: block; font-family: var(--font-sans); font-size: 0.68rem; letter-spacing: 0.28em; color: var(--graphite-2); text-transform: uppercase; margin-top: 2px; }
.main-nav ul { display: flex; gap: 28px; align-items: center; }
.main-nav a {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--graphite-2);
  letter-spacing: 0.02em;
  padding: 6px 0;
  transition: var(--transition);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--wood-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.main-nav a:hover { color: var(--wood-700); }
.main-nav a:hover::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--wood-700);
  transition: var(--transition);
  white-space: nowrap;
}
.header-phone:hover { opacity: 0.75; }

/* Бургер */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.burger span {
  width: 26px; height: 2px;
  background: var(--graphite);
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  transition: var(--transition);
  text-align: center;
}
.btn-dark {
  background: var(--wood-700);
  color: var(--beige-100);
}
.btn-dark:hover {
  background: var(--graphite);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}
.btn-outline {
  border: 1px solid var(--wood-600);
  color: var(--wood-700);
}
.btn-outline:hover {
  background: var(--wood-700);
  color: var(--beige-100);
  transform: translateY(-2px);
}
.btn-light {
  background: var(--white);
  color: var(--wood-700);
  box-shadow: var(--shadow-soft);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-hard); }

/* ---------- Первый экран (hero) ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 900px);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://sun9-44.userapi.com/s/v1/ig2/uSpvdloeEu3-FWn4Y5HunhpbTwb4tU1U8TrYwj-Sv2qGI74YrGjpSgp4jirHqniOVCabkfv_XZW-Si39D1cP3EHy.jpg?quality=95&cs=2560x0');
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(28, 20, 12, 0.78) 18%, rgba(28, 20, 12, 0.28) 60%, rgba(28,20,12,0.15) 100%);
}
.hero .container { position: relative; z-index: 2; padding-block: 80px; max-width: var(--container); margin-left: auto; margin-right: auto; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--beige-200);
  margin-bottom: 28px;
}
.hero-label::before { content: ''; width: 44px; height: 1px; background: var(--beige-200); }
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.08;
  color: var(--white);
  max-width: 16ch;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--beige-200); }
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 52ch;
  margin-bottom: 40px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-note { margin-top: 32px; font-size: 0.82rem; color: rgba(255,255,255,0.6); letter-spacing: 0.06em; }

/* ---------- Секционные заголовки ---------- */
.section { padding-block: var(--section-pad); }
.section.beige { background: var(--beige-50); }
.section.dark { background: var(--wood-700); color: var(--beige-50); }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--wood-600);
  margin-bottom: 16px;
  font-weight: 600;
}
.section.dark .kicker { color: var(--beige-200); }
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.15;
}
.section-head p { margin-top: 18px; color: var(--graphite-2); }
.section.dark .section-head p { color: rgba(247,242,234,0.85); }
.section.dark h2 { color: var(--beige-50); }

/* ---------- Преимущества ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
}
.feature-card {
  background: var(--white);
  border: 1px solid rgba(38,37,34,0.06);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--wood-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon {
  width: 58px; height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--beige-100);
  color: var(--wood-700);
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.22rem; margin-bottom: 10px; }
.feature-card p { color: var(--graphite-2); font-size: 0.94rem; margin: 0; }

/* ---------- Услуги (карточки) ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(38,37,34,0.06);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-soft); }
.service-thumb {
  height: 230px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.service-card .body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.service-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--graphite-2); font-size: 0.94rem; flex: 1; }
.service-price { margin-top: 18px; font-weight: 700; color: var(--wood-700); font-size: 1.05rem; }

/* ---------- Проекты / галерея ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(38,37,34,0.06);
  transition: var(--transition);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.project-img {
  height: 280px;
  background-size: cover;
  background-position: center;
  transition: transform 0.8s ease;
}
.project-card:hover .project-img { transform: scale(1.06); }
.project-info { padding: 24px; }
.project-info h3 { font-size: 1.25rem; margin-bottom: 8px; }
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--graphite-2);
}
.project-meta span { display: flex; align-items: center; gap: 6px; }

/* Фильтр галереи */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  padding: 10px 22px;
  border: 1px solid rgba(38,37,34,0.2);
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--graphite-2);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--wood-600); color: var(--wood-700); }
.filter-btn.active { background: var(--wood-700); border-color: var(--wood-700); color: var(--beige-100); }
.hidden-item { display: none !important; }

/* ---------- Как мы работаем ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  counter-reset: step;
}
.step {
  counter-increment: step;
  padding: 30px 24px;
  border-top: 1px solid rgba(38,37,34,0.12);
  position: relative;
}
.step::before {
  content: '0' counter(step);
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--beige-200);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--graphite-2); font-size: 0.92rem; margin: 0; }
.section.dark .step { border-color: rgba(247,242,234,0.15); }
.section.dark .step::before { color: var(--beige-200); }
.section.dark .step h3 { color: var(--beige-50); }
.section.dark .step p { color: rgba(247,242,234,0.8); }

/* ---------- Отзывы ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(38,37,34,0.06);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.review-stars { color: #c9a24b; letter-spacing: 4px; margin-bottom: 16px; font-size: 0.95rem; }
.review-card p { font-family: var(--font-serif); font-style: italic; color: var(--graphite); }
.review-author { margin-top: 18px; font-weight: 700; color: var(--wood-700); font-size: 0.95rem; }

/* ---------- Соцсети ---------- */
.socials { display: flex; gap: 14px; flex-wrap: wrap; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}
.social-link svg { width: 18px; height: 18px; }
.social-vk { background: #0077ff; color: #fff; }
.social-dzen { background: #1c1c1c; color: #fff; }
.social-vk:hover, .social-dzen:hover { transform: translateY(-3px); box-shadow: var(--shadow-hard); }

/* ---------- Контакты ---------- */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(38,37,34,0.08); }
.contact-icon {
  width: 50px; height: 50px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--beige-100);
  color: var(--wood-700);
  font-size: 1.2rem;
}
.contact-item h4 { font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite-2); margin-bottom: 4px; }
.contact-item a, .contact-item p { font-size: 1.1rem; color: var(--wood-700); font-weight: 600; margin: 0; }
.contact-item a:hover { opacity: 0.75; }
.map-placeholder {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(251,248,243,0.5), rgba(251,248,243,0.5)),
    repeating-linear-gradient(0deg, transparent 0 40px, rgba(38,37,34,0.08) 40px 41px),
    repeating-linear-gradient(90deg, transparent 0 40px, rgba(38,37,34,0.08) 40px 41px);
  border: 1px solid rgba(38,37,34,0.1);
  text-align: center;
  padding: 30px;
  color: var(--graphite-2);
}
.map-placeholder .pin { font-size: 2.4rem; margin-bottom: 10px; }

/* ---------- О компании ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.about-photo img { height: 100%; object-fit: cover; aspect-ratio: 4/5; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.stat {
  background: var(--white);
  border: 1px solid rgba(38,37,34,0.06);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
}
.stat .num { font-family: var(--font-serif); font-size: 2.3rem; color: var(--wood-700); display: block; }
.stat .lbl { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--graphite-2); }
.principles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 26px; }
.principle { background: var(--white); padding: 34px 28px; border-radius: var(--radius); border: 1px solid rgba(38,37,34,0.06); transition: var(--transition); }
.principle:hover { box-shadow: var(--shadow-soft); transform: translateY(-4px); }
.principle .num-ic { font-family: var(--font-serif); font-size: 2rem; color: var(--beige-200); }

/* ---------- CTA-блок ---------- */
.cta-band {
  background: var(--wood-700);
  color: var(--beige-50);
  padding-block: clamp(60px, 8vw, 100px);
  text-align: center;
}
.cta-band h2 { color: var(--beige-50); font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin-bottom: 18px; }
.cta-band p { max-width: 620px; margin: 0 auto 34px; color: rgba(247,242,234,0.85); }

/* ---------- ФУТЕР (footer.html) ---------- */
.site-footer { background: var(--wood-800); color: rgba(247,242,234,0.75); padding-top: 70px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .logo { color: var(--beige-100); margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: rgba(247,242,234,0.6); max-width: 40ch; }
.footer-col h4 { color: var(--beige-100); font-size: 1rem; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: rgba(247,242,234,0.72); font-size: 0.93rem; transition: var(--transition); }
.footer-col a:hover { color: var(--beige-200); padding-left: 4px; }
.footer-links li { display: flex; gap: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(247,242,234,0.1);
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(247,242,234,0.5);
}
.footer-bottom a { color: rgba(247,242,234,0.6); }
.footer-bottom a:hover { color: var(--beige-200); }

/* ---------- Cookie-уведомление ---------- */
.cookie-banner {
  position: fixed;
  bottom: 24px; left: 24px;
  z-index: 1200;
  max-width: 420px;
  background: var(--white);
  border: 1px solid rgba(38,37,34,0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: 24px;
  display: none;
  gap: 16px;
  flex-direction: column;
}
.cookie-banner.show { display: flex; animation: slideUp 0.5s ease; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.cookie-banner p { margin: 0; font-size: 0.88rem; color: var(--graphite-2); }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cookie-actions .btn { padding: 10px 22px; font-size: 0.85rem; }

/* ---------- Модальные окна ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.show { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 20, 12, 0.55);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-panel {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 84vh;
  overflow-y: auto;
  padding: 40px;
  box-shadow: var(--shadow-hard);
  animation: slideUp 0.4s ease;
}
.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--graphite-2);
  background: var(--beige-50);
  transition: var(--transition);
}
.modal-close:hover { background: var(--wood-700); color: var(--beige-100); transform: rotate(90deg); }
.modal-panel h3 { font-size: 1.5rem; margin-bottom: 18px; }
.modal-panel p { color: var(--graphite-2); font-size: 0.95rem; }

/* ---------- Внутренние страницы (hero-баннер) ---------- */
.page-hero {
  position: relative;
  padding-block: clamp(60px, 8vw, 110px);
  background: var(--wood-700);
  color: var(--beige-50);
  text-align: center;
}
.page-hero h1 { color: var(--beige-50); font-size: clamp(2rem, 4.5vw, 3.4rem); }
.page-hero .breadcrumb { font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--beige-200); margin-bottom: 14px; }
.page-hero .breadcrumb a:hover { color: var(--white); }

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contacts-grid, .about-grid { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 860px) {
  .main-nav { position: fixed; inset: 0; background: var(--cream); z-index: 999; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.22,1,0.36,1); display: flex; align-items: center; justify-content: center; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 26px; text-align: center; }
  .main-nav a { font-size: 1.3rem; }
  .burger { display: flex; }
  .header-phone { display: none; }
  .hero { min-height: 88vh; }
  .projects-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; }
  .modal-panel { padding: 28px 20px; }
  .cookie-banner { left: 12px; right: 12px; max-width: none; }
}

/* ---------- Анимации появления ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }