/* ЦемСтрой — Main Stylesheet */
/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark: #1a1f2c;
  --accent: #eab308;
  --accent-dark: #ca9b07;
  --text: #333;
  --text-light: #666;
  --bg-light: #f8f8f8;
  --white: #fff;
  --border: #e0e0e0;
  --shadow: 0 2px 12px rgba(0,0,0,0.10);
  --radius: 8px;
  --font: 'Segoe UI', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-dark); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5 { line-height: 1.25; color: var(--dark); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo img {
  height: 48px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 0.72rem;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.header-phone {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.header-phone a {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
  white-space: nowrap;
}

.header-phone a:hover { color: var(--accent); }

.header-phone span {
  font-size: 0.72rem;
  color: #aaa;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-tg {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0088cc;
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-tg:hover { background: #006fa8; color: var(--white); }

.btn-tg svg { flex-shrink: 0; }

/* Main Nav */
.main-nav {
  background: #222840;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.main-nav a {
  display: block;
  color: #ddd;
  padding: 11px 14px;
  font-size: 0.9rem;
  transition: color 0.2s, background 0.2s;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent);
  background: rgba(234,179,8,0.07);
  border-bottom-color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-nav {
  display: none;
  background: #222840;
  padding: 10px 0;
}

.mobile-nav a {
  display: block;
  color: #ddd;
  padding: 12px 24px;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-nav a:hover { color: var(--accent); background: rgba(234,179,8,0.06); }

.mobile-nav.open { display: block; }

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  list-style: none;
}

.breadcrumbs li { display: flex; align-items: center; gap: 4px; font-size: 0.85rem; color: var(--text-light); }
.breadcrumbs li:not(:last-child)::after { content: '›'; margin-left: 2px; }
.breadcrumbs a { color: var(--text-light); }
.breadcrumbs a:hover { color: var(--accent-dark); }
.breadcrumbs li:last-child { color: var(--text); font-weight: 500; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(234,179,8,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 2px solid var(--dark);
}

.btn-outline:hover { background: var(--dark); color: var(--white); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline-white:hover { background: var(--white); color: var(--dark); }

/* ===== HERO ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #1a1f2c 60%, #2d3650 100%);
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.22;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
  padding: 60px 20px;
  margin: 0 auto 0 calc((100vw - 1200px) / 2 + 20px);
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  margin-bottom: 18px;
  font-weight: 700;
}

.hero h1 span { color: var(--accent); }

.hero-desc {
  color: #ccc;
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== SECTION TITLES ===== */
.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

.section-divider {
  width: 56px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ===== SECTIONS ===== */
section { padding: 60px 0; }
section.bg-light { background: var(--bg-light); }
section.bg-dark { background: var(--dark); color: var(--white); }
section.bg-dark h2 { color: var(--white); }

/* ===== CATEGORIES GRID ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.category-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.14);
}

.category-card-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.category-card-img-placeholder {
  width: 100%;
  height: 170px;
  background: linear-gradient(135deg, #e8edf5, #c8d0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.category-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.category-card-body p {
  color: var(--text-light);
  font-size: 0.88rem;
  flex: 1;
  margin-bottom: 14px;
}

.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 600;
}

.category-card-link:hover { color: var(--dark); }

/* ===== ADVANTAGES ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.advantage-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
}

.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.advantage-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.advantage-item p {
  color: var(--text-light);
  font-size: 0.88rem;
}

/* ===== DELIVERY ZONE BANNER ===== */
.delivery-banner {
  background: linear-gradient(120deg, #1a1f2c 50%, #2d3650);
  padding: 60px 0;
  color: var(--white);
}

.delivery-banner h2 { color: var(--white); }

.delivery-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.delivery-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.delivery-feature-icon { font-size: 1.8rem; flex-shrink: 0; }

.delivery-feature h4 { color: var(--accent); font-size: 0.95rem; margin-bottom: 4px; }
.delivery-feature p { font-size: 0.85rem; color: #ccc; }

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
}

.review-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 10px; }

.review-text { color: var(--text); font-size: 0.93rem; margin-bottom: 14px; font-style: italic; }

.review-author { font-weight: 600; font-size: 0.9rem; color: var(--dark); }
.review-date { font-size: 0.78rem; color: var(--text-light); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.97rem;
  background: var(--white);
  transition: background 0.2s;
  list-style: none;
  user-select: none;
}

.faq-question:hover { background: var(--bg-light); }

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.3s;
}

details[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 20px 16px;
  color: var(--text-light);
  font-size: 0.93rem;
  line-height: 1.65;
  background: var(--white);
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--accent);
  padding: 56px 0;
  text-align: center;
}

.cta-section h2 { color: var(--dark); margin-bottom: 12px; }
.cta-section p { color: var(--dark); opacity: 0.8; margin-bottom: 28px; }

.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== CATALOG PAGE ===== */
.page-hero {
  background: linear-gradient(120deg, var(--dark) 60%, #2d3650);
  padding: 48px 0 40px;
  color: var(--white);
}

.page-hero h1 { color: var(--white); font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: 10px; }
.page-hero p { color: #bbb; max-width: 600px; }

/* ===== CATEGORY DETAIL ===== */
.category-desc {
  max-width: 860px;
}

.category-desc h2 { font-size: 1.4rem; margin: 28px 0 10px; }
.category-desc p { margin-bottom: 14px; color: var(--text); }
.category-desc ul { list-style: disc; padding-left: 22px; margin-bottom: 14px; }
.category-desc ul li { margin-bottom: 6px; color: var(--text); }

/* Sub-categories list */
.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.subcategory-tag {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.2s;
  color: var(--dark);
}

.subcategory-tag:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(234,179,8,0.3);
}

/* ===== FACTS / STATS ===== */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.fact-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
}

.fact-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.fact-label {
  font-size: 0.9rem;
  color: #ccc;
}

/* ===== CONTACTS PAGE ===== */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-card h3 { margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }

.contact-item strong { display: block; font-size: 0.85rem; color: var(--text-light); margin-bottom: 2px; }
.contact-item a { font-weight: 600; color: var(--dark); }
.contact-item a:hover { color: var(--accent-dark); }

.messenger-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.btn-wa:hover { background: #1fb956; color: var(--white); }

.btn-tg-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0088cc;
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.btn-tg-green:hover { background: #006fa8; color: var(--white); }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: border-color 0.2s;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea { min-height: 100px; resize: vertical; }

/* ===== DELIVERY PAGE ===== */
.delivery-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.delivery-table th,
.delivery-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.delivery-table th {
  background: var(--dark);
  color: var(--white);
  font-size: 0.9rem;
}

.delivery-table tr:hover td { background: var(--bg-light); }

.payment-methods {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.payment-method {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow);
}

.payment-method-icon { font-size: 2rem; margin-bottom: 10px; }
.payment-method h4 { font-size: 0.95rem; margin-bottom: 6px; }
.payment-method p { font-size: 0.82rem; color: var(--text-light); }

/* ===== LEGAL PAGES ===== */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h2 { font-size: 1.3rem; margin: 28px 0 10px; color: var(--dark); }
.legal-content h3 { font-size: 1.1rem; margin: 20px 0 8px; }
.legal-content p { margin-bottom: 12px; }
.legal-content ul { list-style: disc; padding-left: 22px; margin-bottom: 12px; }
.legal-content ul li { margin-bottom: 6px; }

/* ===== ABOUT PAGE ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-image-placeholder {
  background: linear-gradient(135deg, #e8edf5, #c8d0e0);
  border-radius: var(--radius);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

/* ===== FLOATING BUTTON ===== */
.float-contact {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.float-btn:hover { transform: scale(1.12); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }

.float-wa { background: #25d366; color: var(--white); }
.float-tg { background: #0088cc; color: var(--white); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  color: #bbb;
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.footer-col p { font-size: 0.88rem; line-height: 1.7; }

.footer-col ul li { margin-bottom: 8px; }

.footer-col a {
  color: #bbb;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--accent); }

.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { height: 44px; }
.footer-logo-name { font-size: 1.25rem; font-weight: 700; color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: #777;
}

.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== INFO STRIPS ===== */
.info-strip {
  background: var(--accent);
  padding: 14px 0;
}

.info-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.info-strip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
}

/* ===== TEXT PAGE ===== */
.text-section { padding: 50px 0; }
.text-section h1 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 24px; padding-bottom: 14px; border-bottom: 3px solid var(--accent); }

/* Avito link */
.avito-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #00AAFF;
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.avito-link:hover { background: #0088dd; color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding: 40px 0; }

  .main-nav { display: none; }
  .hamburger { display: flex; }

  .hero { min-height: 400px; }
  .hero-content { margin: 0; padding: 40px 20px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  .header-phone span { display: none; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .categories-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .header-phone { display: none; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== UTILITIES ===== */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-light); }
.fw-600 { font-weight: 600; }
.gap-16 { gap: 16px; }

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 640px) {
  .two-col-grid { grid-template-columns: 1fr; }
}

.highlight-box {
  background: var(--bg-light);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
}