/* ============================================
   HAUBERK — Фасадная плитка ТЕХНОНИКОЛЬ
   Цвета: #C41E24 (красный), #1A1A1A (чёрный), #F5F0EB (бежевый)
   ============================================ */

:root {
  --hb-red: #076c75;
  --hb-red-dark: #555555;
  --hb-red-light: #ffffff;
  --hb-black: #076c75;
  --hb-dark: #2D2D2D;
  --hb-gray: #000000;
  --hb-light-gray: #E8E4DF;
  --hb-cream: #F5F0EB;
  --hb-white: #FFFFFF;
  --hb-text: #000000;
  --hb-text-secondary: #000000;
  --hb-border: #DDD8D3;
  --hb-success: #076c75;
  --hb-warning: #076c75;
  --hb-shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --hb-shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --hb-shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --hb-radius: 12px;
  --hb-radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--hb-white);
  color: var(--hb-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--hb-white);
  box-shadow: var(--hb-shadow-sm);
}

.header-top {
  background: var(--hb-black);
  color: var(--hb-white);
  padding: 12px 0;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-brand { display: flex; flex-direction: column; }

.logo-box {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo-main {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--hb-white);
}

.logo-sub {
  font-size: 26px;
  font-weight: 600;
  color: var(--hb-white);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.header-contacts { text-align: right; }

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone {
  color: var(--hb-white);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  transition: color 0.2s;
}

.phone:hover { color: var(--hb-red-light); }

.contact-sep { color: var(--hb-gray); font-size: 14px; }

.contact-city {
  display: block;
  font-size: 12px;
  color: var(--hb-gray);
  margin-top: 2px;
}

.header-nav {
  background: var(--hb-white);
  border-bottom: 1px solid var(--hb-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 56px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--hb-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--hb-red);
  transition: width 0.25s;
}

.nav-links a:hover { color: var(--hb-red); }
.nav-links a:hover::after { width: 100%; }

.callback-btn {
  background: var(--hb-red);
  color: var(--hb-white);
  border: none;
  padding: 10px 24px;
  border-radius: var(--hb-radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.callback-btn:hover {
  background: var(--hb-red-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30,196,66,0.15);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--hb-black) 0%, #076c75 50%, #076c75 100%);
  color: var(--hb-white);
  padding: 100px 0 120px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M50 50h20v20H50V50zm30-30h20v20H80V20zM50 0h20v20H50V0zM30 30h20v20H30V30zm-30 30h20v20H0V60zm30-30h20v20H30V30zM0 50h20v20H0V50zm50-50h20v20H50V0z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  background: rgb(23, 81, 86);
  color: var(--hb-red-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  border: 1px solid rgba(30,196,66,0.15);
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
  line-height: 1.1;
}

.hero-brand {
  color: var(--hb-var
  #3fab3c);
}

.hero-subtitle {
  font-size: 18px;
  color: #000000;
  margin-bottom: 48px;
  line-height: 1.7;
  max-width: 560px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 48px;
}

.stat-item { text-align: left; }

.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--hb-red);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-cta {
  padding: 16px 36px;
  border-radius: var(--hb-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.hero-cta-primary {
  background: var(--hb-red);
  color: var(--hb-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.hero-cta-primary:hover {
  background: var(--hb-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,196,66,0.15);
}

.hero-cta-secondary {
  background: transparent;
  color: var(--hb-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.hero-cta-secondary:hover {
  border-color: var(--hb-white);
  background: rgba(255,255,255,0.05);
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
  color: var(--hb-text);
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--hb-text-secondary);
  margin-bottom: 48px;
}

/* ============================================
   ABOUT / PREIMUSHCHESTVA
   ============================================ */
.about {
  padding: 100px 0;
  background: var(--hb-cream);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--hb-white);
  border-radius: var(--hb-radius);
  padding: 36px 28px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--hb-border);
}

.about-card:hover {
  border-color: var(--hb-red);
  transform: translateY(-6px);
  box-shadow: var(--hb-shadow-lg);
}

.about-icon {
  width: 64px;
  height: 64px;
  background: var(--hb-cream);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.about-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--hb-text);
}

.about-card p {
  font-size: 14px;
  color: var(--hb-text-secondary);
  line-height: 1.7;
}

/* ============================================
   COLLECTIONS
   ============================================ */
.collections {
  padding: 100px 0;
  background: var(--hb-white);
}

.collection-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.collection-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border: 2px solid var(--hb-border);
  border-radius: var(--hb-radius-sm);
  background: var(--hb-white);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  color: var(--hb-text-secondary);
}

.collection-tab:hover {
  border-color: var(--hb-red);
  color: var(--hb-red);
}

.collection-tab.active {
  background: var(--hb-red);
  color: var(--hb-white);
  border-color: var(--hb-red);
}

.tab-icon { font-size: 20px; }

.collection-content {
  display: none;
}

.collection-content.active {
  display: block;
}

.collection-info {
  background: var(--hb-cream);
  border-radius: var(--hb-radius);
  padding: 32px;
  margin-bottom: 32px;
}

.collection-desc h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--hb-text);
}

.collection-desc p {
  font-size: 15px;
  color: var(--hb-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 800px;
}

.collection-specs {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.spec-item {
  font-size: 14px;
  color: var(--hb-text-secondary);
}

.spec-item span {
  font-weight: 600;
  color: var(--hb-text);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--hb-white);
  border-radius: var(--hb-radius);
  overflow: hidden;
  border: 1px solid var(--hb-border);
  transition: all 0.3s;
  cursor: pointer;
}

.product-card:hover {
  border-color: var(--hb-red);
  box-shadow: var(--hb-shadow-md);
  transform: translateY(-4px);
}

.product-image {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.product-image.brick-antique { background: linear-gradient(135deg, #8B7355 0%, #A08060 100%); }
.product-image.brick-graybeige { background: linear-gradient(135deg, #B8A898 0%, #C8B8A8 100%); }
.product-image.brick-marble { background: linear-gradient(135deg, #9A8A7A 0%, #B0A090 100%); }
.product-image.brick-sand { background: linear-gradient(135deg, #C4A882 0%, #D4B892 100%); }
.product-image.brick-terracotta { background: linear-gradient(135deg, #B85C3A 0%, #C86C4A 100%); }
.product-image.brick-bavarian { background: linear-gradient(135deg, #A04030 0%, #B05040 100%); }
.product-image.brick-belgian { background: linear-gradient(135deg, #6B5040 0%, #7B6050 100%); }
.product-image.brick-gothic { background: linear-gradient(135deg, #4A3A30 0%, #5A4A40 100%); }
.product-image.brick-scandinavian { background: linear-gradient(135deg, #A09080 0%, #B0A090 100%); }

.product-image.stone-slate { background: linear-gradient(135deg, #4A4A4A 0%, #5A5A5A 100%); }
.product-image.stone-quartzite { background: linear-gradient(135deg, #7A7A6A 0%, #8A8A7A 100%); }
.product-image.stone-travertine { background: linear-gradient(135deg, #B8A888 0%, #C8B898 100%); }

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.3) 100%);
}

.product-image-photo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.product-info {
  padding: 18px;
}

.product-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 8px;
  color: var(--hb-text);
}

.product-collection {
  font-size: 12px;
  color: var(--hb-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.product-price {
  font-size: 20px;
  font-weight: 800;
  color: var(--hb-red);
  margin-bottom: 2px;
}

.product-unit {
  font-size: 12px;
  color: var(--hb-gray);
}

.product-stock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--hb-success);
}

/* ============================================
   ACCESSORIES
   ============================================ */
.accessories {
  padding: 100px 0;
  background: var(--hb-cream);
}

.accessories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.accessory-card {
  background: var(--hb-white);
  border-radius: var(--hb-radius);
  padding: 32px;
  border: 1px solid var(--hb-border);
  transition: all 0.3s;
}

.accessory-card:hover {
  border-color: var(--hb-red);
  box-shadow: var(--hb-shadow-md);
  transform: translateY(-4px);
}

.accessory-image {
  height: 140px;
  background: var(--hb-cream);
  border-radius: var(--hb-radius-sm);
  margin-bottom: 20px;
  overflow: hidden;
}

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

.accessory-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--hb-text);
}

.accessory-card p {
  font-size: 14px;
  color: var(--hb-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.accessory-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.accessory-color {
  padding: 4px 10px;
  background: var(--hb-cream);
  border-radius: 4px;
  font-size: 11px;
  color: var(--hb-text-secondary);
  border: 1px solid var(--hb-border);
}

.accessory-price {
  margin-top: 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--hb-red);
}

/* ============================================
   TECH
   ============================================ */
.tech {
  padding: 100px 0;
  background: var(--hb-white);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-card {
  background: var(--hb-cream);
  border-radius: var(--hb-radius);
  padding: 32px;
  border: 1px solid var(--hb-border);
}

.tech-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--hb-text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--hb-red);
  display: inline-block;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
}

.tech-table td {
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--hb-border);
}

.tech-table td:first-child {
  color: var(--hb-text-secondary);
  width: 55%;
}

.tech-table td:last-child {
  color: var(--hb-text);
  font-weight: 600;
  text-align: right;
}

.tech-table-compare thead th {
  text-align: left;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--hb-gray);
  border-bottom: 2px solid var(--hb-border);
}

.tech-table-compare tbody td {
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--hb-border);
}

/* ============================================
   MONTAGE
   ============================================ */
.montage {
  padding: 100px 0;
  background: var(--hb-cream);
}

.montage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.montage-step {
  background: var(--hb-white);
  border-radius: var(--hb-radius);
  padding: 32px;
  border: 1px solid var(--hb-border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.montage-step:hover {
  border-color: var(--hb-red);
  box-shadow: var(--hb-shadow-md);
}

.montage-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--hb-red);
}

.step-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--hb-red);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}

.montage-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--hb-text);
}

.montage-step p {
  font-size: 14px;
  color: var(--hb-text-secondary);
  line-height: 1.7;
}

.montage-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #FFF3E0;
  border-radius: var(--hb-radius-sm);
  padding: 20px 24px;
  border-left: 4px solid var(--hb-warning);
}

.montage-note svg { flex-shrink: 0; margin-top: 2px; }

.montage-note p {
  font-size: 14px;
  color: var(--hb-text);
  line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: 80px 0;
  background: var(--hb-white);
}

.cta-box {
  background: linear-gradient(135deg, var(--hb-red) 0%, var(--hb-red) 100%);
  border-radius: var(--hb-radius);
  padding: 64px;
  text-align: center;
  color: var(--hb-white);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgb(7, 108, 117) 0%, transparent 70%);
}

.cta-box h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  font-size: 16px;
  color: #999;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
  flex-wrap: wrap;
}

.cta-btn {
  padding: 14px 32px;
  border-radius: var(--hb-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.cta-btn-primary {
  background: var(--hb-red);
  color: var(--hb-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.cta-btn-primary:hover {
  background: var(--hb-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196,30,36,0.08);
}

.cta-btn-secondary {
  background: transparent;
  color: var(--hb-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.cta-btn-secondary:hover {
  border-color: var(--hb-white);
  background: rgba(255,255,255,0.05);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--hb-black);
  color: var(--hb-white);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.footer-logo .logo-main {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 2px;
}

.footer-logo .logo-sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--hb-red);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.footer-desc {
  font-size: 14px;
  color: #FFFFFF;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  color: #ffffff;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 12px; }

.footer-col a {
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  display: inline-block;
}

.footer-col a:hover {
  color: var(--hb-white);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgb(255, 255, 255);
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #ffffff;
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(255, 255, 255);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.callback-modal,
.product-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--hb-white);
  border-radius: 20px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 301;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--hb-shadow-lg);
}

.product-modal { max-width: 600px; }

.callback-modal.open,
.product-modal.open {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--hb-cream);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--hb-gray);
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--hb-red);
  color: var(--hb-white);
}

.callback-content,
.modal-content {
  padding: 40px;
}

.callback-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--hb-text);
}

.callback-content > p {
  font-size: 14px;
  color: var(--hb-text-secondary);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--hb-text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--hb-border);
  border-radius: var(--hb-radius-sm);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
  font-family: inherit;
  resize: vertical;
  background: var(--hb-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--hb-red);
  box-shadow: 0 0 0 3px rgba(196,30,36,0.08);
}

.callback-submit {
  width: 100%;
  background: var(--hb-red);
  color: var(--hb-white);
  border: none;
  padding: 16px;
  border-radius: var(--hb-radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.callback-submit:hover {
  background: var(--hb-red-dark);
  transform: translateY(-2px);
}

.callback-note {
  text-align: center;
  font-size: 11px;
  color: var(--hb-gray);
  margin-top: 14px;
}

/* Product modal content */
.modal-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.modal-product-image {
  height: 220px;
  border-radius: var(--hb-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-product-details h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-product-code {
  font-size: 12px;
  color: var(--hb-gray);
  margin-bottom: 16px;
  font-family: monospace;
}

.modal-product-price {
  font-size: 28px;
  font-weight: 800;
  color: var(--hb-red);
  margin-bottom: 4px;
}

.modal-product-unit {
  font-size: 13px;
  color: var(--hb-text-secondary);
  margin-bottom: 16px;
}

.modal-product-desc {
  font-size: 14px;
  color: var(--hb-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.modal-product-btn {
  width: 100%;
  background: var(--hb-red);
  color: var(--hb-white);
  border: none;
  padding: 14px;
  border-radius: var(--hb-radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-product-btn:hover {
  background: var(--hb-red-dark);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--hb-black);
  color: var(--hb-white);
  padding: 16px 32px;
  border-radius: var(--hb-radius-sm);
  font-size: 14px;
  font-weight: 500;
  z-index: 400;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--hb-shadow-lg);
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .montage-grid { grid-template-columns: repeat(2, 1fr); }
  .accessories-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 60px 0 80px; }
  .hero h1 { font-size: 36px; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .hero-buttons { flex-direction: column; }
  .hero-cta { width: 100%; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .montage-grid { grid-template-columns: 1fr; }
  .accessories-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .collection-tabs { flex-direction: column; }
  .collection-tab { width: 100%; justify-content: center; }
  .collection-specs { flex-direction: column; gap: 8px; }
  .section-title { font-size: 28px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 24px; }
  .modal-product-grid { grid-template-columns: 1fr; }
  .header-top-inner { flex-direction: column; gap: 12px; }
  .header-contacts { text-align: center; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .about-card,
  .montage-step,
  .accessory-card { padding: 24px; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-card,
.montage-step,
.accessory-card,
.tech-card,
.product-card {
  animation: fadeInUp 0.5s ease forwards;
}