/* ============================================
   X7 КРОВЛЯ — Главный стилевой файл
   Цветовая схема: Красный (#E60000) + Чёрный
   ============================================ */

:root {
  --red: #E60000;
  --red-dark: #B80000;
  --red-light: #FF1A1A;
  --black: #0A0A0A;
  --black-2: #111111;
  --black-3: #1A1A1A;
  --black-4: #222222;
  --gray-dark: #2D2D2D;
  --gray: #444444;
  --gray-mid: #666666;
  --gray-light: #999999;
  --white: #FFFFFF;
  --white-90: rgba(255,255,255,0.9);
  --white-70: rgba(255,255,255,0.7);
  --white-40: rgba(255,255,255,0.4);
  --white-10: rgba(255,255,255,0.1);
  --green: #22c55e;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-red: 0 8px 32px rgba(230, 0, 0, 0.3);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--black); color: var(--white); line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* === UTILITY === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--red); }
.section { padding: 100px 0; }
.section-dark { background: var(--black-2); }
.section-black { background: var(--black); }
.section-red { background: var(--red); }
/* Тёмно-красный фон для секций «Решение» и «Следующие шаги» */
.section-red-muted { background: #5a0a0a; }
.section-red-muted .section-label-light { color: rgba(255,255,255,0.75); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }

.section-label {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
  color: var(--red); background: rgba(230,0,0,0.12); border: 1px solid rgba(230,0,0,0.3);
  padding: 6px 14px; border-radius: 2px; margin-bottom: 20px;
}
.section-label-light { color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); }

.section-title { font-size: clamp(32px, 4vw, 52px); font-weight: 800; line-height: 1.15; color: var(--white); margin-bottom: 16px; }
.section-subtitle { font-size: 17px; color: var(--gray-light); max-width: 640px; margin-bottom: 60px; line-height: 1.7; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font); font-weight: 600; border-radius: var(--radius); transition: var(--transition); white-space: nowrap; cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); box-shadow: var(--shadow-red); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white-40); }
.btn-outline:hover { border-color: var(--red); color: var(--red); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--red); border-color: var(--white); }
.btn-white:hover { background: var(--black); color: var(--white); border-color: var(--white); transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 15px; }
.btn-xl { padding: 20px 48px; font-size: 17px; }



/* === HEADER === */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,10,0); backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease, top 0.3s ease;
  padding: 0;
}
#site-header.scrolled {
  background: rgba(10,10,10,0.97); backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 20px rgba(0,0,0,0.5);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-size: 22px; font-weight: 900; letter-spacing: -0.5px; display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.logo-x7 { color: var(--red); }
.logo-roof { color: var(--white); }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: 14px; font-weight: 500; color: var(--white-70); transition: color var(--transition); position: relative; }
.main-nav a:not(.nav-cta):hover { color: var(--white); }
.main-nav a:not(.nav-cta)::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 2px; background: var(--red); transition: width var(--transition); }
.main-nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--red); color: var(--white) !important; padding: 10px 18px; border-radius: var(--radius); font-weight: 600; transition: var(--transition) !important; }
.nav-cta:hover { background: var(--red-dark) !important; transform: translateY(-1px); box-shadow: var(--shadow-red); }
.nav-cta::after { display: none !important; }

.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; z-index: 1001; }
.burger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === HERO === */
#hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-img { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.05); transition: transform 8s ease; }
.hero-bg-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.75) 50%, rgba(0,0,0,0.5) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 80px; max-width: 820px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--red-light);
  background: rgba(230,0,0,0.12); border: 1px solid rgba(230,0,0,0.4);
  padding: 7px 16px; border-radius: 2px; margin-bottom: 28px;
  animation: fadeInDown 0.8s ease forwards;
}
.badge-dot { width: 6px; height: 6px; background: var(--red); border-radius: 50%; animation: pulse 2s infinite; flex-shrink: 0; }
.hero-title { font-size: clamp(36px, 5.5vw, 72px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; margin-bottom: 24px; animation: fadeInDown 0.8s 0.15s ease both; }
.hero-subtitle { font-size: clamp(16px, 2vw, 20px); color: var(--white-70); line-height: 1.7; margin-bottom: 48px; font-weight: 300; animation: fadeInDown 0.8s 0.3s ease both; }

.hero-stats {
  display: flex; align-items: center; margin-bottom: 48px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); overflow: hidden; animation: fadeInUp 0.8s 0.45s ease both;
}
.stat-item { flex: 1; padding: 20px 24px; display: flex; flex-direction: column; gap: 6px; }
.stat-num { font-size: clamp(16px, 1.8vw, 24px); font-weight: 800; color: var(--red); line-height: 1.2; }
.stat-desc { font-size: 12px; color: var(--white-70); line-height: 1.4; }
.stat-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.1); flex-shrink: 0; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.8s 0.6s ease both; }
.hero-scroll-hint { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; animation: bounce 2s infinite; color: var(--white-40); font-size: 20px; }

/* === SPEC STRIP === */
.spec-strip { background: var(--black-3); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 18px 0; }
.spec-inner { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.spec-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--white-70); padding: 8px 24px; }
.spec-item i { color: var(--red); }
.spec-item strong { color: var(--white); }
.spec-sep { width: 1px; height: 20px; background: rgba(255,255,255,0.1); flex-shrink: 0; }

/* === PHOTO PLACEHOLDER === */
.photo-placeholder {
  width: 100%; height: 100%; min-height: 200px;
  background: var(--black-3); display: flex; align-items: center; justify-content: center;
  color: var(--gray); font-size: 24px;
}

/* === PROBLEMS === */
.problems-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 60px; }
.problem-card {
  background: var(--black-3); padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.05); transition: var(--transition); position: relative; overflow: hidden;
}
.problem-card::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 3px; background: var(--red); transition: width 0.4s ease; }
.problem-card:hover::before { width: 100%; }
.problem-card:hover { background: var(--black-4); transform: translateY(-4px); }
.problem-icon { width: 52px; height: 52px; background: rgba(230,0,0,0.1); border: 1px solid rgba(230,0,0,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--red); margin-bottom: 20px; transition: var(--transition); }
.problem-card:hover .problem-icon { background: var(--red); border-color: var(--red); color: var(--white); }
.problem-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: var(--white); }
.problem-card p { font-size: 14px; color: var(--gray-light); line-height: 1.7; }
.problem-card strong { color: var(--white); }

/* === SOLUTION === */
.solution-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.solution-desc { font-size: 17px; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 32px; }
.solution-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 40px; }
.solution-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: rgba(255,255,255,0.9); font-weight: 500; }
.solution-list li i { color: rgba(255,255,255,0.9); font-size: 14px; margin-top: 3px; flex-shrink: 0; }
.solution-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5); position: relative; min-height: 400px; }
.solution-image .ya-photo, .solution-image .static-photo { width: 100%; height: 480px; }
.solution-image .ya-photo img, .solution-image .static-photo img { width: 100%; height: 100%; object-fit: cover; }

/* === SERVICES === */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.service-card { background: var(--black-3); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); padding: 36px 28px; position: relative; transition: var(--transition); overflow: hidden; }
.service-card:hover { border-color: var(--red); background: var(--black-4); transform: translateY(-6px); box-shadow: 0 16px 40px rgba(230,0,0,0.15); }
.service-num { position: absolute; top: 20px; right: 24px; font-size: 48px; font-weight: 900; color: rgba(255,255,255,0.04); line-height: 1; letter-spacing: -2px; user-select: none; transition: var(--transition); }
.service-card:hover .service-num { color: rgba(230,0,0,0.08); }
.service-icon { width: 48px; height: 48px; background: rgba(230,0,0,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--red); margin-bottom: 20px; transition: var(--transition); }
.service-card:hover .service-icon { background: var(--red); color: var(--white); }
.service-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 12px; color: var(--white); }
.service-card p { font-size: 14px; color: var(--gray-light); line-height: 1.7; }

/* === GALLERY === */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 60px; }
.gallery-item-wide { grid-column: span 2; }
.gallery-item { position: relative; overflow: hidden; border-radius: 2px; aspect-ratio: 4/3; background: var(--black-3); }
.gallery-item-wide { aspect-ratio: 16/9; }
.gallery-item .ya-photo, .gallery-item > img { width: 100%; height: 100%; display: block; }
.gallery-item .ya-photo img, .gallery-item > img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-item:hover .ya-photo img, .gallery-item:hover > img { transform: scale(1.08); }
.gallery-item .gallery-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%); display: flex; align-items: flex-end; padding: 20px; opacity: 0; transition: opacity var(--transition); pointer-events: none; }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { font-size: 13px; font-weight: 600; color: var(--white); background: var(--red); padding: 5px 12px; border-radius: 2px; }

/* === TARIFFS === */
/* Таблица */
.tariff-table-wrap { margin-top: 48px; margin-bottom: 48px; overflow-x: auto; }
.tariff-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.tariff-table th, .tariff-table td { padding: 16px 24px; text-align: left; border: 1px solid rgba(255,255,255,0.08); }
.tariff-table thead th { background: var(--black-3); color: var(--gray-light); font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.tariff-table tbody tr { background: var(--black-2); transition: background var(--transition); }
.tariff-table tbody tr:hover { background: var(--black-3); }
.tariff-table tbody td:first-child { color: var(--white); font-weight: 500; }
.tariff-table tbody td { color: var(--white-70); }
.tariff-table strong { color: var(--white); font-size: 17px; }
.th-featured { background: rgba(230,0,0,0.12) !important; color: var(--red) !important; }
.td-featured { background: rgba(230,0,0,0.06); }
.th-sub { display: block; font-size: 10px; font-weight: 400; opacity: 0.7; margin-top: 2px; }

.tariff-example {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 24px; background: rgba(230,0,0,0.08); border: 1px solid rgba(230,0,0,0.2);
  border-radius: var(--radius); margin-top: 12px; font-size: 14px; color: var(--white-70);
}
.tariff-example i { color: var(--red); flex-shrink: 0; }
.tariff-example strong { color: var(--red); }

.tariffs-fixed-title { font-size: 16px; font-weight: 700; color: var(--gray-light); margin-bottom: 24px; text-transform: uppercase; letter-spacing: 1px; }

/* Карточки тарифов */
.tariffs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); overflow: hidden; }
.tariff-card { background: var(--black-3); padding: 44px 32px; border-right: 1px solid rgba(255,255,255,0.08); position: relative; transition: var(--transition); }
.tariff-card:last-child { border-right: none; }
.tariff-featured { background: var(--black-4); border-top: 3px solid var(--red); z-index: 1; box-shadow: 0 0 60px rgba(0,0,0,0.4); }
.tariff-badge { position: absolute; top: -1px; left: 50%; transform: translateX(-50%); background: var(--red); color: var(--white); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 5px 16px; border-radius: 0 0 4px 4px; white-space: nowrap; }
.tariff-header { margin-bottom: 28px; }
.tariff-name { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 4px; }
.tariff-area { font-size: 13px; color: var(--gray-light); }
.tariff-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.price-from { font-size: 13px; color: var(--gray-light); font-weight: 400; }
.price-num { font-size: 42px; font-weight: 900; color: var(--red); letter-spacing: -2px; line-height: 1; }
.price-unit { font-size: 16px; color: var(--gray-light); font-weight: 500; }
.tariff-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.tariff-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--white-70); line-height: 1.5; }
.tariff-features li i { font-size: 12px; margin-top: 3px; flex-shrink: 0; }
.tariff-features li:not(.disabled) i { color: var(--red); }
.tariff-features li.disabled { color: var(--gray-mid); opacity: 0.5; }
.tariff-features li.disabled i { color: var(--gray-mid); }
.tariff-btn { width: 100%; justify-content: center; }

/* Раскрывашки */
.packages-details { display: flex; flex-direction: column; gap: 8px; margin-top: 36px; margin-bottom: 8px; }
.package-details-item {
  background: var(--black-3); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--transition);
}
.package-details-item[open] { border-color: var(--red); }
.package-details-item summary {
  display: flex; align-items: center; gap: 12px; padding: 18px 24px;
  cursor: pointer; font-size: 15px; color: var(--white); list-style: none; user-select: none;
  transition: background var(--transition);
}
.package-details-item summary:hover { background: var(--black-4); }
.package-details-item summary::-webkit-details-marker { display: none; }
.package-details-item summary i:first-child { color: var(--red); flex-shrink: 0; }
.details-arrow { margin-left: auto; font-size: 12px; color: var(--gray-light); transition: transform var(--transition); }
.package-details-item[open] .details-arrow { transform: rotate(180deg); }
.package-details-item ul { padding: 0 24px 20px 24px; display: flex; flex-direction: column; gap: 10px; }
.package-details-item li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--white-70); }
.package-details-item li i { color: var(--red); font-size: 12px; margin-top: 3px; flex-shrink: 0; }
.package-note { padding: 12px 24px 20px; font-size: 13px; color: var(--gray-light); font-style: italic; border-top: 1px solid rgba(255,255,255,0.06); margin-top: 8px; }

.tariffs-note { display: flex; align-items: flex-start; gap: 12px; margin-top: 28px; padding: 20px 24px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); }
.tariffs-note i { color: var(--red); flex-shrink: 0; margin-top: 2px; }
.tariffs-note p { font-size: 14px; color: var(--gray-light); line-height: 1.6; }
.tariffs-note strong { color: var(--white); }

/* === ECONOMY === */
.economy-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; margin-top: 48px; }
.economy-card {
  padding: 40px 36px; border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 0;
}
.economy-plus { background: rgba(34, 197, 94, 0.06); border: 2px solid rgba(34,197,94,0.25); }
.economy-minus { background: rgba(230,0,0,0.06); border: 2px solid rgba(230,0,0,0.2); }

.economy-card-header { margin-bottom: 20px; }
.economy-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: 50px;
}
.economy-badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.economy-badge-red { background: rgba(230,0,0,0.15); color: var(--red-light); }
.economy-badge i { font-size: 11px; }

.economy-price { font-size: 36px; font-weight: 900; letter-spacing: -1px; line-height: 1; margin-bottom: 24px; }
.economy-plus .economy-price { color: var(--green); }
.economy-minus .economy-price { color: var(--red); }

.economy-list { display: flex; flex-direction: column; gap: 12px; flex: 1; margin-bottom: 24px; }
.economy-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--white-70); line-height: 1.5; }
.economy-plus li i { color: var(--green); }
.economy-minus li i { color: var(--red); opacity: 0.6; }
.economy-list strong { color: var(--white); }

.economy-footer { font-size: 12px; color: var(--gray-light); border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; }
.economy-footer-red { color: rgba(230,0,0,0.7); }

.economy-vs {
  width: 120px; flex-shrink: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 20px; padding: 20px 0;
}
.economy-vs-inner {
  width: 60px; height: 60px; background: var(--black-3); border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: var(--gray-light); letter-spacing: 1px;
}
.economy-vs-result { text-align: center; }
.economy-save-num { font-size: 28px; font-weight: 900; color: var(--red); line-height: 1; }
.economy-save-desc { font-size: 11px; color: var(--gray-light); margin-top: 4px; }

.economy-result {
  display: flex; align-items: center; gap: 16px; margin-top: 32px;
  padding: 24px 32px; background: rgba(230,0,0,0.08); border: 1px solid rgba(230,0,0,0.2);
  border-radius: var(--radius-lg); font-size: 16px; color: var(--white-70);
}
.economy-result i { color: var(--red); font-size: 24px; flex-shrink: 0; }
.economy-result strong { color: var(--white); }

/* === HOW IT WORKS === */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 60px; margin-top: 60px; }
.step-card { display: flex; flex-direction: column; gap: 16px; }
.step-num { font-size: 64px; font-weight: 900; color: var(--red); line-height: 1; letter-spacing: -3px; opacity: 0.2; transition: opacity var(--transition); }
.step-card:hover .step-num { opacity: 0.5; }
.step-content h3 { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 10px; border-left: 3px solid var(--red); padding-left: 14px; }
.step-content p { font-size: 14px; color: var(--gray-light); line-height: 1.7; }

/* === CASES === */
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 60px; }
.case-card { background: var(--black-3); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.case-card:hover { border-color: var(--red); box-shadow: 0 16px 40px rgba(230,0,0,0.12); }

.case-photo { height: 240px; overflow: hidden; }
.case-photo .ya-photo, .case-photo img { width: 100%; height: 100%; display: block; }
.case-photo .ya-photo img, .case-photo > img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card:hover .case-photo .ya-photo img, .case-card:hover .case-photo > img { transform: scale(1.05); }

.case-content { padding: 32px; }
.case-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--red); background: rgba(230,0,0,0.1); border: 1px solid rgba(230,0,0,0.2); padding: 4px 10px; border-radius: 2px; margin-bottom: 12px; }
.case-title { font-size: 20px; font-weight: 800; color: var(--white); margin-bottom: 8px; line-height: 1.3; }
.case-area { font-size: 13px; color: var(--gray-light); margin-bottom: 24px; display: flex; align-items: center; gap: 6px; }
.case-area i { color: var(--red); }

.case-steps { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.case-step { border-left: 2px solid rgba(255,255,255,0.08); padding-left: 16px; }
.case-step-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--red); margin-bottom: 4px; }
.case-step p { font-size: 14px; color: var(--white-70); line-height: 1.6; }
.case-step strong { color: var(--white); }

.case-result-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(230,0,0,0.1); border: 1px solid rgba(230,0,0,0.25); color: var(--red-light); padding: 8px 16px; border-radius: var(--radius); font-size: 13px; font-weight: 700; }
.case-result-badge i { font-size: 14px; }

/* === WHY US === */
.why-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why-features { display: flex; flex-direction: column; gap: 28px; margin-top: 40px; }
.why-feature { display: flex; gap: 20px; align-items: flex-start; }
.why-icon { width: 48px; height: 48px; background: rgba(230,0,0,0.1); border: 1px solid rgba(230,0,0,0.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--red); flex-shrink: 0; transition: var(--transition); }
.why-feature:hover .why-icon { background: var(--red); color: var(--white); }
.why-feature h4 { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.why-feature p { font-size: 14px; color: var(--gray-light); line-height: 1.6; }
.why-image-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.why-main-photo { width: 100%; height: 500px; }
.why-main-photo img { width: 100%; height: 100%; object-fit: cover; }
.why-numbers { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, transparent 100%); padding: 40px 32px 32px; display: flex; gap: 40px; }
.why-num-item { display: flex; flex-direction: column; gap: 4px; }
.why-big-num { font-size: 48px; font-weight: 900; color: var(--red); line-height: 1; letter-spacing: -2px; }
.why-num-desc { font-size: 12px; color: var(--white-70); line-height: 1.4; }

/* === NEXT STEPS === */
.free-inspection-banner {
  display: flex; align-items: center; gap: 20px;
  background: rgba(255,255,255,0.12); border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-lg); padding: 20px 32px; margin: 32px 0 56px;
}
.free-inspection-banner i { font-size: 28px; color: rgba(255,255,255,0.9); flex-shrink: 0; }
.free-inspection-banner strong { display: block; font-size: 16px; color: var(--white); margin-bottom: 4px; }
.free-inspection-banner span { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.5; }

.next-steps-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 0; align-items: center; }
.next-step { text-align: center; padding: 0 8px; }
.next-step-num { font-size: 11px; font-weight: 700; letter-spacing: 2px; color: rgba(255,255,255,0.5); margin-bottom: 12px; }
.next-step-icon { width: 64px; height: 64px; background: rgba(255,255,255,0.12); border: 2px solid rgba(255,255,255,0.25); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--white); margin: 0 auto 16px; transition: var(--transition); }
.next-step:hover .next-step-icon { background: rgba(255,255,255,0.2); border-color: var(--white); }
.next-step h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.next-step p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.next-step strong { color: var(--white); }
.next-step-arrow { color: rgba(255,255,255,0.3); font-size: 16px; padding: 0 4px; flex-shrink: 0; }

/* === ABOUT === */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-desc { font-size: 17px; color: var(--white-70); line-height: 1.8; margin-bottom: 20px; }
.about-desc strong { color: var(--white); }
.about-details { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.about-detail-item { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--black-3); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); }
.about-detail-item i { font-size: 18px; color: var(--red); flex-shrink: 0; }
.about-detail-item strong { display: block; font-size: 15px; color: var(--white); font-weight: 600; }
.about-detail-item span { font-size: 12px; color: var(--gray-light); }
.about-photo { width: 100%; height: 480px; border-radius: var(--radius-lg); overflow: hidden; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }

/* === CTA BANNER === */
.section-cta { position: relative; padding: 100px 0; overflow: hidden; text-align: center; }
.cta-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--black) 0%, #1a0000 50%, var(--black) 100%); }
.cta-bg::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(230,0,0,0.15) 0%, transparent 70%); }
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 900; line-height: 1.2; color: var(--white); margin-bottom: 20px; }
.cta-content p { font-size: 17px; color: var(--white-70); max-width: 600px; margin: 0 auto 24px; line-height: 1.7; }


/* === FREE INSPECTION NOTE === */
.free-inspection-note {
  display: flex; align-items: center; gap: 14px; margin-bottom: 48px;
  padding: 18px 28px; background: rgba(230,0,0,0.08); border: 2px solid var(--red);
  border-radius: var(--radius-lg); font-size: 15px;
}
.free-inspection-note i { color: var(--red); font-size: 22px; flex-shrink: 0; }
.free-inspection-note strong { color: var(--white); }

/* === CONTACTS === */
.contacts-inner { display: grid; grid-template-columns: 1fr 380px; gap: 60px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--white-70); letter-spacing: 0.5px; text-transform: uppercase; }
.form-group input, .form-group textarea { background: var(--black-3); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); color: var(--white); font-family: var(--font); font-size: 15px; padding: 14px 18px; outline: none; transition: border-color var(--transition), box-shadow var(--transition); resize: none; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-mid); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(230,0,0,0.12); }
.form-agree { display: flex; align-items: flex-start; gap: 12px; }
.form-agree input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--red); cursor: pointer; flex-shrink: 0; margin-top: 2px; }
.form-agree label { font-size: 13px; color: var(--gray-light); line-height: 1.5; cursor: pointer; }
.form-agree a { color: var(--red); }
.form-submit { align-self: flex-start; }
.form-success { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: rgba(0,180,80,0.1); border: 1px solid rgba(0,180,80,0.3); border-radius: var(--radius); color: #4ADE80; font-size: 14px; }
.form-success i { font-size: 22px; flex-shrink: 0; }
.form-success strong { color: #4ADE80; }

.contact-info { display: flex; flex-direction: column; gap: 12px; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--black-3); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); transition: var(--transition); }
.contact-card:hover { border-color: var(--red); background: var(--black-4); }
.contact-icon { width: 44px; height: 44px; background: rgba(230,0,0,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--red); flex-shrink: 0; transition: var(--transition); }
.contact-card:hover .contact-icon { background: var(--red); color: var(--white); }
.contact-label { display: block; font-size: 11px; font-weight: 700; color: var(--gray-light); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.contact-value { font-size: 15px; font-weight: 600; color: var(--white); line-height: 1.4; transition: color var(--transition); }
a.contact-value:hover { color: var(--red); }
.contact-note { display: flex; gap: 12px; align-items: flex-start; padding: 16px 20px; background: rgba(230,0,0,0.07); border: 1px solid rgba(230,0,0,0.2); border-radius: var(--radius-lg); margin-top: 8px; }
.contact-note i { color: var(--red); flex-shrink: 0; margin-top: 2px; }
.contact-note p { font-size: 13px; color: var(--gray-light); line-height: 1.6; }
.contact-note strong { color: var(--white); }

/* === FOOTER === */
#site-footer { background: var(--black); border-top: 1px solid rgba(255,255,255,0.06); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-left p { font-size: 13px; color: var(--gray-light); margin-top: 12px; line-height: 1.6; }
.footer-inn { font-size: 11px !important; color: var(--gray) !important; margin-top: 16px !important; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 14px; color: var(--gray-light); transition: color var(--transition); }
.footer-nav a:hover { color: var(--red); }
.footer-contacts { display: flex; flex-direction: column; gap: 12px; }
.footer-contacts a { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-light); transition: color var(--transition); }
.footer-contacts a:hover { color: var(--red); }
.footer-contacts i { color: var(--red); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; }
.footer-bottom span, .footer-bottom a { font-size: 12px; color: var(--gray); }
.footer-bottom a:hover { color: var(--red); }

/* === FLOATING CTA === */
.floating-cta { position: fixed; bottom: 32px; right: 32px; z-index: 999; background: var(--red); color: var(--white); display: flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 50px; font-weight: 700; font-size: 14px; box-shadow: 0 4px 24px rgba(230,0,0,0.4); transition: var(--transition); opacity: 0; transform: translateY(20px); }
.floating-cta.visible { opacity: 1; transform: translateY(0); }
.floating-cta:hover { background: var(--red-dark); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(230,0,0,0.5); }

/* === ANIMATIONS === */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.7); } }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === CTA PHONE BUTTON (на красном фоне — белый/чёрный) === */
.btn-cta-phone { background: var(--white); color: var(--black); border-color: var(--white); font-size: 18px; }
.btn-cta-phone:hover { background: var(--black); color: var(--white); border-color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.cta-or { color: rgba(255,255,255,0.5); font-size: 14px; margin: 16px 0; }
/* on dark bg (section-cta) the phone btn inverts */
.section-cta .btn-cta-phone { background: var(--white); color: var(--black); }
.section-cta .btn-cta-phone:hover { background: var(--black); color: var(--white); }

/* На section-red / section-red-muted — кнопки */
.section-red .btn-white,
.section-red-muted .btn-white { background: var(--white); color: var(--red); }
.section-red .btn-white:hover,
.section-red-muted .btn-white:hover { background: var(--black); color: var(--white); border-color: var(--black); }

/* Ссылка-телефон в плашке бесплатного осмотра */
.free-inspection-note { flex-wrap: wrap; }
.inspection-phone-link { display: inline-flex; align-items: center; gap: 8px; color: var(--red); font-weight: 700; font-size: 17px; margin-top: 8px; transition: color var(--transition); }
.inspection-phone-link:hover { color: var(--red-light); }
.inspection-phone-link i { font-size: 14px; }

/* === CASES UPDATED === */
.case-card-full { background: var(--black-3); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); padding: 40px; margin-bottom: 48px; transition: var(--transition); }
.case-card-full:hover { border-color: var(--red); box-shadow: 0 16px 40px rgba(230,0,0,0.12); }
.case-steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 24px; }

/* === CAROUSEL === */
.cases-carousel-wrap { margin-top: 0; }
.cases-carousel { overflow: hidden; border-radius: var(--radius-lg); position: relative; background: var(--black-3); }
.carousel-track { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; }
.carousel-slide { flex: 0 0 33.333%; min-width: 0; aspect-ratio: 4/3; overflow: hidden; position: relative; }
.carousel-slide .ya-photo { width: 100%; height: 100%; }
.carousel-slide .ya-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.carousel-slide:hover .ya-photo img { transform: scale(1.05); }
.carousel-slide .gallery-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 60%); display: flex; align-items: flex-end; padding: 16px; opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.carousel-slide:hover .gallery-overlay { opacity: 1; }
.carousel-slide .gallery-overlay span { font-size: 12px; font-weight: 600; color: var(--white); background: var(--red); padding: 4px 10px; border-radius: 2px; }

.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 20px 0 0; }
.carousel-btn { width: 44px; height: 44px; background: var(--black-3); border: 1px solid rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white-70); font-size: 14px; transition: var(--transition); cursor: pointer; }
.carousel-btn:hover { background: var(--red); border-color: var(--red); color: var(--white); }
.carousel-dots { display: flex; gap: 8px; align-items: center; }
.carousel-dot { width: 8px; height: 8px; background: rgba(255,255,255,0.2); border-radius: 50%; cursor: pointer; transition: var(--transition); border: none; }
.carousel-dot.active { background: var(--red); width: 24px; border-radius: 4px; }

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .next-steps-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .next-step-arrow { display: none; }
  .economy-grid { grid-template-columns: 1fr; gap: 24px; }
  .economy-vs { flex-direction: row; width: 100%; justify-content: center; }
  .case-steps-row { grid-template-columns: 1fr; gap: 16px; }
  .carousel-slide { flex: 0 0 50%; }
}
@media (max-width: 1024px) {
  .problems-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-inner, .why-inner, .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .solution-image .ya-photo, .why-main-photo, .about-photo { height: 320px; }
  .tariffs-grid { grid-template-columns: 1fr; }
  .tariff-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .tariff-card:last-child { border-bottom: none; }
  .tariff-featured { border-top: 3px solid var(--red); }
  .contacts-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .carousel-slide { flex: 0 0 50%; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .main-nav { position: fixed; top: 0; right: -100%; width: 80vw; max-width: 320px; height: 100vh; background: var(--black-2); border-left: 1px solid rgba(255,255,255,0.08); flex-direction: column; align-items: flex-start; gap: 0; padding: 88px 32px 40px; transition: right 0.4s cubic-bezier(0.4,0,0.2,1); box-shadow: -10px 0 40px rgba(0,0,0,0.5); }
  .main-nav.open { right: 0; }
  .main-nav a { font-size: 16px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.06); width: 100%; }
  .nav-cta { margin-top: 16px; padding: 14px 24px !important; text-align: center; border-radius: var(--radius) !important; }
  .burger { display: flex; }
  .hero-stats { flex-direction: column; gap: 0; }
  .stat-divider { width: 100%; height: 1px; }
  .stat-item { padding: 16px 20px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .problems-grid, .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item-wide { grid-column: span 2; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
  .spec-inner { flex-direction: column; gap: 8px; padding: 8px 0; }
  .spec-sep { display: none; }
  .floating-cta span { display: none; }
  .floating-cta { padding: 16px; border-radius: 50%; width: 56px; height: 56px; justify-content: center; }
  .carousel-slide { flex: 0 0 100%; }
  .case-card-full { padding: 24px; }
  .btn-cta-phone { font-size: 15px; padding: 16px 24px; }

  .free-inspection-banner { flex-direction: column; gap: 12px; text-align: center; }
  .next-steps-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-wide { grid-column: span 1; aspect-ratio: 16/9; }
  .hero-stats { display: none; }
  .tariff-table th, .tariff-table td { padding: 10px 14px; font-size: 13px; }
}