/* ============================================================
   StoneDesign — Global Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Playfair+Display:wght@700;800&display=swap');

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

:root {
  --gold: #C7A24B;
  --gold-dark: #B58F3F;
  --dark: #111111;
  --dark2: #141414;
  --cream: #F7F6F3;
  --gray: #6B7280;
  --gray-light: #9CA3AF;
  --white: #ffffff;
  --radius-sm: 12px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-xl: 18px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  min-height: 100vh;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* ---- Typography ---- */
.font-display { font-family: 'Playfair Display', serif; }

h1, h2, h3, h4, h5, h6 { line-height: 1.1; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 32px;
  height: 56px;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 600;
  transition: all 0.2s;
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); }

.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border-color: rgba(17,17,17,0.25);
}
.btn-outline-dark:hover { background: var(--dark); color: var(--white); }

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

.btn-sm {
  height: 44px;
  padding: 0 24px;
  font-size: 15px;
  border-radius: var(--radius-sm);
}

.btn-full { width: 100%; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, #fff 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}
.logo span { color: var(--gold); }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.2s;
}
.nav-desktop a:hover { color: var(--gold); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-weight: 500;
  transition: color 0.2s;
  color: var(--dark);
}
.header-phone:hover { color: var(--gold); }
.header-phone svg { width: 16px; height: 16px; }

.hamburger-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 0;
  color: var(--dark);
}
.hamburger-btn svg { width: 24px; height: 24px; }

/* Mobile Menu */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-menu-overlay.open { display: block; opacity: 1; }

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100vw;
  height: 100vh;
  background: var(--white);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
  overflow-y: auto;
}
.mobile-menu.open { right: 0; }
@media (min-width: 480px) {
  .mobile-menu { width: 360px; right: -360px; }
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.mobile-menu-close {
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
}
.mobile-menu-close svg { width: 20px; height: 20px; }

.mobile-menu-nav {
  flex: 1;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.mobile-menu-nav a {
  font-size: 22px;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.2s;
}
.mobile-menu-nav a:hover { color: var(--gold); }

.mobile-menu-footer {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mobile-menu-footer .header-phone { padding: 0; font-size: 18px; }
.mobile-menu-footer .btn { height: 52px; font-size: 17px; }

/* ---- Hero Section ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.5), transparent);
}

.hero-content {
  position: relative;
  max-width: 520px;
  color: var(--white);
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.62;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.9);
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
}

@media (min-width: 640px) {
  .hero-badges { grid-template-columns: repeat(4, auto); }
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}
.hero-badge svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }

.hero-link-row {
  margin-top: 32px;
}
.hero-link-row a {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s;
}
.hero-link-row a:hover { color: var(--gold); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}
.scroll-indicator-inner {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 6px;
}
.scroll-dot {
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* ---- Quick Calc Section ---- */
.quick-calc {
  position: relative;
  margin-top: -128px;
  padding-bottom: clamp(56px, 8vw, 104px);
  padding-top: 0;
}

.calc-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  padding: clamp(32px, 4vw, 40px);
  max-width: 900px;
  margin: 0 auto;
}

.calc-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.calc-card-header h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}

.calc-card-header p {
  font-size: 15px;
  color: var(--gray);
}

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

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

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}

.form-group label .req { color: #ef4444; }

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  height: 48px;
}
.form-control:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(199,162,75,0.15);
}

select.form-control { cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-note {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
  margin-top: 8px;
}

/* ---- Section Common ---- */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-white { background: var(--white); }
.section-cream { background: var(--cream); }
.section-dark { background: var(--dark2); color: var(--white); }
.section-py20 { padding: 80px 0; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 17px;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

.section-header-left { text-align: left; margin-bottom: 48px; }
.section-header-left h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.section-header-left p {
  font-size: 18px;
  color: var(--gray);
  max-width: 640px;
}

/* ---- Product Directions ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .products-grid { grid-template-columns: 1fr; } }

.product-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 320px;
  display: block;
  transition: box-shadow 0.3s;
}
.product-card:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.14); }
.product-card.tall { min-height: 400px; }
.product-card.wide { grid-column: span 2; }

.product-card-img {
  position: absolute;
  inset: 0;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.3), transparent);
}

.product-card-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
}

.product-card-meta {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  margin-bottom: 8px;
}

.product-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.product-card-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}
.product-card:hover .product-card-link { color: var(--gold); }
.product-card-link svg { width: 16px; height: 16px; }

/* ---- Materials Section ---- */
.materials-bg {
  position: relative;
}
.materials-bg-img {
  position: absolute;
  inset: 0;
}
.materials-bg-img img { width: 100%; height: 100%; object-fit: cover; }
.materials-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(247,246,243,0.4);
}

.materials-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.material-card {
  position: relative;
  width: calc(50% - 12px);
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: block;
  transition: box-shadow 0.3s;
}
@media (min-width: 1024px) { .material-card { width: calc(25% - 18px); } }
.material-card:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.14); }

.material-card-img {
  position: absolute;
  inset: 0;
}
.material-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.material-card:hover .material-card-img img { transform: scale(1.05); }
.material-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent, transparent);
  opacity: 0.8;
  transition: opacity 0.3s;
}
.material-card:hover .material-card-overlay { opacity: 1; }

.material-card-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.material-tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(199,162,75,0.9);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
@media (min-width: 768px) { .material-tag { font-size: 11px; } }

.material-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}
@media (min-width: 768px) { .material-card h3 { font-size: 20px; } }

.materials-cta { text-align: center; margin-top: 48px; }

/* ---- Cases Section ---- */
.cases-bg {
  position: relative;
}
.cases-bg-img { position: absolute; inset: 0; }
.cases-bg-img img { width: 100%; height: 100%; object-fit: cover; }
.cases-bg-overlay { position: absolute; inset: 0; background: rgba(20,20,20,0.8); }

.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 768px) { .cases-grid { grid-template-columns: 1fr; } }

.case-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: block;
  transition: box-shadow 0.3s;
}
.case-card:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.3); }

.case-card-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.case-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.case-card:hover .case-card-img img { transform: scale(1.05); }
.case-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.3), transparent);
}

.case-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
}
.case-card-meta {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  margin-bottom: 8px;
}
.case-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.case-card-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}
.case-card:hover .case-card-link { color: var(--gold); }
.case-card-link svg { width: 16px; height: 16px; }

/* Gallery badge (shown on cards with multiple photos) */
.case-card-gallery-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(17, 17, 17, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(199, 162, 75, 0.4);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 5px 10px 5px 8px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 2;
}

/* ---- Process Section ---- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
@media (max-width: 768px) {
  .process-timeline { grid-template-columns: 1fr; gap: 32px; }
  .process-line { display: none !important; }
}

.process-line {
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--gold), rgba(199,162,75,0.3));
}

.process-step { position: relative; text-align: center; }

.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(199,162,75,0.4);
}

.process-step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 12px;
}

.process-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--cream);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
}

/* ---- Why Us ---- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 48px;
}
@media (max-width: 1024px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .why-grid { grid-template-columns: 1fr; } }

.why-item { display: flex; flex-direction: column; }
.why-icon {
  margin-bottom: 24px;
}
.why-icon svg { width: 40px; height: 40px; color: var(--gold); }

.why-item h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.why-item p { color: var(--gray); line-height: 1.6; }

/* ---- Services Section ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow 0.2s;
  color: var(--dark);
}
.service-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.service-card span { font-weight: 500; font-size: 16px; padding-right: 16px; }
.service-card svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; transition: transform 0.2s; }
.service-card:hover svg { transform: translateX(4px); }

/* ---- Pricing Section ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 768px) { .pricing-grid { grid-template-columns: 1fr; } }

.pricing-card {
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: box-shadow 0.2s;
}
.pricing-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }

.pricing-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}
.pricing-price {
  font-size: 36px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 16px;
}
.pricing-desc {
  font-size: 13px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.pricing-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.2s;
}
.pricing-link:hover { color: var(--gold); }
.pricing-link svg { width: 16px; height: 16px; }

/* ---- B2B Banner ---- */
.b2b-banner-inner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.b2b-banner-bg { position: absolute; inset: 0; }
.b2b-banner-bg img { width: 100%; height: 100%; object-fit: cover; }
.b2b-banner-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.7); }

.b2b-banner-content {
  position: relative;
  padding: 64px 48px;
  color: var(--white);
  max-width: 640px;
}
@media (max-width: 640px) { .b2b-banner-content { padding: 40px 24px; } }

.b2b-banner-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
}
.b2b-banner-content > p {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 32px;
  color: rgba(255,255,255,0.9);
}

.b2b-checks { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.b2b-check { display: flex; align-items: center; gap: 12px; font-size: 15px; }
.b2b-check svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }

.b2b-btns { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---- FAQ Section ---- */
.faq-list { max-width: 768px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }

.faq-item {
  border: 1px solid rgba(17,17,17,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: var(--gold); }

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  transition: color 0.2s;
}
.faq-trigger:hover { color: var(--gold); }

.faq-trigger span {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  flex: 1;
  line-height: 1.4;
}
.faq-trigger:hover span { color: var(--gold); }

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--gray);
  transition: transform 0.3s, color 0.2s;
}
.faq-item.open .faq-icon { transform: rotate(180deg); color: var(--gold); }

.faq-body {
  display: none;
  padding: 0 24px 20px;
}
.faq-item.open .faq-body { display: block; }
.faq-body p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
}

/* ---- SEO Text Section ---- */
.seo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px 64px;
}
@media (max-width: 1024px) { .seo-grid { grid-template-columns: 1fr; gap: 48px; } }

.seo-col { display: flex; flex-direction: column; gap: 48px; }

.seo-block {}
.seo-block-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.seo-block-title svg { width: 24px; height: 24px; color: var(--gold); flex-shrink: 0; }
.seo-block-title h3 { font-size: 24px; font-weight: 700; color: var(--dark); }

.seo-block-body { color: var(--gray); line-height: 1.6; }
.seo-block-body p + p { margin-top: 16px; }
.seo-block-body a { color: var(--gold); transition: text-decoration 0.2s; }
.seo-block-body a:hover { text-decoration: underline; }

/* ---- Final CTA ---- */
.final-cta-inner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-align: center;
}
.final-cta-bg { position: absolute; inset: 0; }
.final-cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.final-cta-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }

.final-cta-content {
  position: relative;
  padding: 80px 48px;
  color: var(--white);
  max-width: 768px;
  margin: 0 auto;
}
@media (max-width: 640px) { .final-cta-content { padding: 56px 24px; } }

.final-cta-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
}
.final-cta-content > p {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
}
.final-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--dark2);
  color: #f4f4f4;
}

.footer-inner {
  padding-top: 64px;
  padding-bottom: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  display: block;
  color: #f4f4f4;
}
.footer-logo span { color: var(--gold); }

.footer-desc {
  font-size: 14px;
  color: var(--gray-light);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-contacts { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.footer-contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-light);
  transition: color 0.2s;
}
.footer-contact-link.phone { color: rgba(255,255,255,0.8); font-weight: 500; }
.footer-contact-link:hover { color: var(--white); }
.footer-contact-link svg { width: 16px; height: 16px; flex-shrink: 0; }

.footer-socials { display: flex; gap: 12px; }
.footer-social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: background 0.2s;
}
.footer-social:hover { background: var(--gold); }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--gray-light);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-bottom p { font-size: 13px; color: var(--gray-light); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 13px; color: var(--gray-light); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--white); }

/* ---- Modal / Dialog ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,0.2);
}

.modal-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 22px; font-weight: 700; color: var(--dark); }
.modal-close {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--dark);
  transition: background 0.2s;
}
.modal-close:hover { background: #e5e4e0; }
.modal-close svg { width: 18px; height: 18px; }

.modal-body { padding: 24px; }

/* ---- Quick View Modal ---- */
.qv-img {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--cream);
  margin-bottom: 24px;
}
.qv-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.qv-field {
  margin-bottom: 16px;
}
.qv-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dark);
  margin-bottom: 8px;
}
.qv-thickness {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.qv-prices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.qv-price-value {
  font-size: 15px;
  font-weight: 700;
}
.qv-price-value--retail { color: var(--gold); }
.qv-price-value--wholesale { color: var(--dark); }
.qv-note {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 16px;
}

/* ---- Toast Notification ---- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 380px;
  animation: slideIn 0.3s ease;
  border-left: 4px solid var(--gold);
}
.toast-icon { color: var(--gold); }
.toast-icon svg { width: 20px; height: 20px; flex-shrink: 0; }
.toast p { font-size: 14px; font-weight: 500; color: var(--dark); line-height: 1.4; }

/* Error toast */
.toast-error { border-left-color: #e53e3e; }
.toast-error .toast-icon { color: #e53e3e; }

/* Submit button loading state */
button[type="submit"]:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---- Windowsills Page ---- */
.ws-hero {
  position: relative;
  background: var(--dark2);
  color: var(--white);
  overflow: hidden;
  padding: 80px 0;
}
@media (min-width: 1024px) { .ws-hero { padding: 112px 0; } }

.ws-hero-bg { position: absolute; inset: 0; }
.ws-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.ws-hero-overlay { position: absolute; inset: 0; background: rgba(20,20,20,0.75); }

.breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { transition: color 0.2s; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: var(--white); }

/* Breadcrumb on light background */
.breadcrumb-bar {
  background: var(--cream);
  padding: 16px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.breadcrumb-bar .breadcrumb {
  margin: 0;
}
.breadcrumb-light {
  color: var(--gray);
}
.breadcrumb-light a { color: var(--gray); }
.breadcrumb-light a:hover { color: var(--gold); }
.breadcrumb-light span { color: var(--gray); }
.breadcrumb-light span:last-child { color: var(--dark); font-weight: 500; }

.ws-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 1024px) { .ws-hero-grid { grid-template-columns: 1fr; } }

.ws-hero-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
}
.ws-hero-content > p {
  font-size: 18px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  line-height: 1.6;
}

.ws-hero-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
.ws-hero-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; }
.ws-bullet { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); flex-shrink: 0; margin-top: 8px; }

.ws-trust-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (min-width: 768px) { .ws-trust-row { grid-template-columns: repeat(4, auto); } }

.ws-trust-item { display: flex; flex-direction: column; align-items: flex-start; }
.ws-trust-item svg { width: 24px; height: 24px; color: var(--gold); margin-bottom: 8px; }
.ws-trust-item span { font-size: 14px; }

.ws-lead-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.ws-lead-card h3 { font-size: 24px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.ws-lead-card > p { font-size: 15px; color: var(--gray); margin-bottom: 24px; }
.ws-lead-form { display: flex; flex-direction: column; gap: 16px; }
.ws-lead-note { font-size: 12px; color: var(--gray); text-align: center; }

/* Cases grid for WS page */
.ws-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 1024px) { .ws-cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ws-cases-grid { grid-template-columns: 1fr; } }

.ws-case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
  display: block;
  color: inherit;
}
.ws-case-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1); }

.ws-case-img { aspect-ratio: 4/3; overflow: hidden; }
.ws-case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.ws-case-card:hover .ws-case-img img { transform: scale(1.05); }

.ws-case-body { padding: 24px; }
.ws-case-body h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.ws-case-subtitle { font-size: 14px; color: var(--gold); font-weight: 500; margin-bottom: 12px; }
.ws-case-desc { font-size: 14px; color: var(--gray); line-height: 1.5; margin-bottom: 12px; }
.ws-case-price { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }

/* Materials grid for WS page */
.ws-mats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
@media (max-width: 1024px) { .ws-mats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ws-mats-grid { grid-template-columns: 1fr; } }

.ws-mat-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.3s;
  display: block;
  color: inherit;
}
.ws-mat-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.ws-mat-img { aspect-ratio: 1; overflow: hidden; }
.ws-mat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.ws-mat-card:hover .ws-mat-img img { transform: scale(1.05); }
.ws-mat-body { padding: 20px; }
.ws-mat-body h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.ws-mat-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.ws-mat-list li { font-size: 14px; color: var(--gray); display: flex; align-items: flex-start; gap: 8px; }
.ws-mat-list li::before { content: '•'; color: var(--gold); flex-shrink: 0; }
.ws-mat-note { font-size: 12px; color: var(--gray); font-style: italic; }

/* Edge profiles */
.edge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 1024px) { .edge-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .edge-grid { grid-template-columns: 1fr; } }

.edge-card { background: var(--white); border-radius: var(--radius-lg); padding: 24px; }
.edge-img { aspect-ratio: 16/9; border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 16px; background: var(--white); }
.edge-img img { width: 100%; height: 100%; object-contain; }
.edge-card h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.edge-card p { font-size: 14px; color: var(--gray); margin-bottom: 12px; }
.edge-best { font-size: 12px; color: var(--gold); font-weight: 600; }

/* Benefits grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 1024px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .benefits-grid { grid-template-columns: 1fr; } }

.benefit-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.benefit-icon {
  width: 64px;
  height: 64px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.benefit-icon svg { width: 32px; height: 32px; color: var(--gold); }
.benefit-item h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.benefit-item p { font-size: 14px; color: var(--gray); }

/* Process dark */
.process-dark .process-step h3 { color: var(--white); }
.process-dark .process-step p { color: rgba(255,255,255,0.8); }
.process-dark .process-badge { background: rgba(255,255,255,0.1); }

/* FAQ items for WS page */
.faq-ws-item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.faq-ws-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  transition: background 0.2s;
}
.faq-ws-trigger:hover { background: var(--cream); }
.faq-ws-trigger span { font-weight: 500; color: var(--dark); font-size: 16px; flex: 1; }
.faq-ws-trigger svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; transition: transform 0.3s; }
.faq-ws-item.open .faq-ws-trigger svg { transform: rotate(180deg); }
.faq-ws-body { display: none; padding: 0 24px 24px; }
.faq-ws-item.open .faq-ws-body { display: block; }
.faq-ws-body p { font-size: 15px; color: var(--gray); line-height: 1.6; }

/* SEO prose area */
.prose-area h2 { font-size: 28px; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
.prose-area h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 16px; margin-top: 32px; }
.prose-area p { font-size: 16px; color: var(--gray); line-height: 1.7; margin-bottom: 24px; }
.prose-area a { color: var(--gold); }
.prose-area a:hover { text-decoration: underline; }

/* WS final CTA dark */
.ws-cta-dark {
  background: var(--dark2);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.ws-cta-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  background-size: 60px 60px;
}
.ws-cta-content { position: relative; text-align: center; }
.ws-cta-content h2 { font-size: clamp(28px,4vw,40px); font-weight: 700; margin-bottom: 16px; }
.ws-cta-content p { font-size: 18px; color: rgba(255,255,255,0.9); margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; }
.ws-cta-btns { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ---- Marble Page ---- */
.marble-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.marble-hero-bg { position: absolute; inset: 0; }
.marble-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.marble-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.4)); }

.marble-hero-inner {
  position: relative;
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 64px;
  align-items: center;
}
@media (max-width: 1024px) { .marble-hero-inner { grid-template-columns: 1fr; } }

.marble-hero-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
}
.marble-highlights { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.marble-highlight { display: flex; align-items: center; gap: 12px; font-size: 16px; }
.marble-highlight svg { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; }
.marble-hero-btns { display: flex; flex-wrap: wrap; gap: 16px; }

.marble-lead-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  color: var(--dark);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.marble-lead-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }

/* Marble Catalog */
.catalog-filter {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.catalog-filter label { font-size: 14px; font-weight: 600; color: var(--gray); white-space: nowrap; }
.catalog-filter input[type=range] {
  flex: 1;
  min-width: 200px;
  accent-color: var(--gold);
}
.catalog-filter-val { font-size: 14px; font-weight: 600; color: var(--dark); white-space: nowrap; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) { .catalog-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .catalog-grid { grid-template-columns: 1fr; } }

.catalog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s, transform 0.3s;
}
.catalog-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1); transform: translateY(-2px); }

.catalog-card-img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.catalog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.catalog-card:hover .catalog-card-img img { transform: scale(1.05); }
.card-hover-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); opacity: 0; transition: opacity 0.3s; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.catalog-card:hover .card-hover-overlay { opacity: 1; }
.card-hover-label { color: #fff; font-size: 14px; font-weight: 600; letter-spacing: 0.01em; }
.card-thickness-badge { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; z-index: 1; }
.thickness-pill { background: rgba(255,255,255,0.95); color: var(--dark); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }

.catalog-card-body { padding: 16px; }
.catalog-card-body h3 { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 8px; line-height: 1.3; }
.catalog-card-prices { display: flex; flex-direction: column; gap: 2px; }
.catalog-price-slab { font-size: 13px; color: var(--gray); }
.catalog-price-slab span { color: var(--gold); font-weight: 700; }
.catalog-card-btn {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 8px 16px;
  background: var(--gold);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  text-align: center;
}
.catalog-card-btn:hover { background: var(--gold-dark); }

/* Catalog price filter */
.price-filter {
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 40px;
  width: 100%;
}
.price-filter-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.price-filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.price-filter-sep {
  color: var(--gray);
}
.price-filter-input {
  width: 90px;
  height: 40px;
}
.price-filter-reset {
  background: none;
  border: none;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px;
}
.price-filter-reset:hover { color: var(--gold-dark); }

/* Marble use cases */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) { .use-cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .use-cases-grid { grid-template-columns: 1fr; } }

.use-case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.use-case-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); }
.use-case-card p { font-size: 15px; color: var(--gray); line-height: 1.5; flex: 1; }
.use-case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  margin-top: auto;
}
.use-case-link svg { width: 16px; height: 16px; }

/* Marble projects */
.marble-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (max-width: 768px) { .marble-projects-grid { grid-template-columns: 1fr; } }

.marble-project-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.marble-project-img { aspect-ratio: 16/9; }
.marble-project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.marble-project-card:hover .marble-project-img img { transform: scale(1.05); }
.marble-project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
}
.marble-project-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: var(--white);
}
.marble-project-content h3 { font-size: 20px; font-weight: 700; }

/* Marble SEO */
.marble-seo-content { max-width: 900px; }
.marble-seo-content h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 16px; margin-top: 40px; }
.marble-seo-content h3:first-child { margin-top: 0; }
.marble-seo-content p { font-size: 16px; color: var(--gray); line-height: 1.7; margin-bottom: 16px; }
.marble-seo-content a { color: var(--gold); }
.marble-seo-content a:hover { text-decoration: underline; }
.marble-seo-content ul { margin: 0 0 16px 0; padding-left: 20px; }
.marble-seo-content ul li { font-size: 16px; color: var(--gray); line-height: 1.7; margin-bottom: 4px; }

/* Marble FAQ */
.marble-faq-list { max-width: 768px; display: flex; flex-direction: column; gap: 16px; }

/* Marble final CTA */
.marble-cta-inner {
  background: linear-gradient(135deg, var(--dark2), #2a2a2a);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
@media (max-width: 640px) { .marble-cta-inner { padding: 48px 24px; } }
.marble-cta-bg { position: absolute; inset: 0; }
.marble-cta-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; }
.marble-cta-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.marble-cta-content { position: relative; max-width: 640px; margin: 0 auto; }
.marble-cta-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}
.marble-cta-content p { font-size: 17px; color: rgba(255,255,255,0.9); margin-bottom: 32px; }
.marble-cta-btns { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ============================================================
   Prodazha-Kamnya Page (pk-*)
   ============================================================ */

/* Active nav link */
.nav-active {
  color: var(--gold) !important;
  font-weight: 700;
}

/* Catalog lead form — promise block */
.calc-lead-promise {
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--cream);
  border-radius: var(--radius-md);
}
.calc-lead-promise-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.calc-lead-promise-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-lead-promise-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray);
  line-height: 1.4;
}
.calc-lead-promise-list li svg {
  width: 18px;
  height: 18px;
  color: var(--gold);
  flex-shrink: 0;
}

/* Filters wrapper */
.pk-filters {
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pk-filters-row {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.pk-filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  flex: 1;
}

.pk-filter-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Category / active filter chips */
.pk-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pk-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  border: 2px solid rgba(0,0,0,0.12);
  background: var(--white);
  color: var(--gray);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.pk-chip:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.pk-chip-active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}
.pk-chip-active:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

/* Price filter inside pk-filters */
.pk-price-filter {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 0;
  flex-shrink: 0;
  width: auto;
}
.pk-price-filter .price-filter-label {
  margin-bottom: 8px;
}

/* Sort row */
.pk-sort-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pk-sort-select {
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  min-width: 200px;
  max-width: 280px;
}

/* Active filters bar */
.pk-active-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 1px solid rgba(0,0,0,0.07);
}

/* Card category label (above title in JS-rendered cards) */
.pk-card-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 4px;
}

/* Services chips row (services-mini section) */
.pk-services-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.pk-service-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.25);
  color: var(--white);
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
}
.pk-service-chip:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

/* Lead modal material name tag */
.pk-lead-material-name {
  padding: 10px 16px;
  background: var(--cream);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 16px;
  border-left: 3px solid var(--gold);
}

/* Responsive adjustments for pk-filters */
@media (max-width: 768px) {
  .pk-filters-row {
    flex-direction: column;
    gap: 16px;
  }
  .pk-filter-group {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  .pk-price-filter {
    width: 100%;
  }
  .pk-sort-select {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
}
@media (max-width: 480px) {
  .pk-chip {
    font-size: 12px;
    padding: 5px 12px;
  }
}

/* ============================================================
   Izdeliya-iz-Kamnya Page (izd-*)
   ============================================================ */

/* Cases filter row */
.izd-cases-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.izd-filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.izd-filter-btn:hover {
  background: rgba(199, 162, 75, 0.18);
  border-color: var(--gold);
  color: var(--gold);
}

.izd-filter-btn--active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}

.izd-filter-btn--active:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #fff;
}

/* Pricing cards (izd page variant) */
.izd-pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: 36px 32px 32px;
  border: 2px solid transparent;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
}

.izd-pricing-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.izd-pricing-card--featured {
  background: var(--dark);
  border-color: var(--gold);
  color: var(--white);
}

.izd-pricing-card--featured:hover {
  box-shadow: 0 12px 40px rgba(199, 162, 75, 0.22);
}

.izd-pricing-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(199, 162, 75, 0.12);
  border: 1px solid rgba(199, 162, 75, 0.3);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
  width: fit-content;
}

.izd-pricing-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.izd-pricing-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray);
}

.izd-pricing-card--featured .izd-pricing-list li {
  color: rgba(255, 255, 255, 0.7);
}

.izd-pricing-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23C7A24B'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.izd-pricing-note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--gray);
  text-align: center;
  line-height: 1.6;
  padding: 0 8px;
}

@media (max-width: 900px) {
  .izd-cases-filter {
    gap: 8px;
  }
  .izd-filter-btn {
    font-size: 13px;
    padding: 8px 16px;
  }
}

@media (max-width: 600px) {
  .izd-pricing-card {
    padding: 28px 22px 24px;
  }
  .izd-pricing-badge {
    font-size: 10px;
    padding: 3px 12px;
  }
  .izd-cases-filter {
    gap: 6px;
  }
  .izd-filter-btn {
    font-size: 12px;
    padding: 7px 14px;
  }
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mt-16 { margin-top: 64px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1024px) {
  .lg-hidden { display: none !important; }
}
@media (min-width: 1024px) {
  .hamburger-btn { display: none; }
  .nav-desktop { display: flex; }
  .header-actions { display: flex; }
}
@media (max-width: 1023px) {
  .nav-desktop { display: none; }
  .header-actions { display: none; }
  .hamburger-btn { display: flex; }
}

/* ===================== LANG SWITCHER ===================== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lang-btn {
  cursor: pointer;
  color: var(--gray);
  transition: color 0.2s;
  padding: 2px 2px;
  user-select: none;
  line-height: 1;
}
.lang-btn:hover { color: var(--dark); }
.lang-btn.lang-active { color: var(--dark); }
.lang-sep {
  color: var(--border);
  font-weight: 400;
  font-size: 11px;
}
.lang-switcher--mobile {
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.lang-switcher--mobile .lang-btn,
.lang-switcher--mobile .lang-sep {
  font-size: 14px;
}