/* ============================================
   NordBrick — Premium Landing Page Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-white: #FFFFFF;
  --color-bg: #FAFAFA;
  --color-bg-alt: #F4F4F5;
  --color-graphite: #1A1A1A;
  --color-gray-900: #2D2D2D;
  --color-gray-700: #4A4A4A;
  --color-gray-500: #71717A;
  --color-gray-300: #D4D4D8;
  --color-gray-100: #F4F4F5;
  --color-brick: #B8453A;
  --color-brick-dark: #9A3A31;
  --color-accent: #E8B923;

  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --container: 1280px;
  --container-narrow: 960px;
  --section-py: clamp(80px, 10vw, 140px);
  --section-py-sm: clamp(60px, 8vw, 100px);
  --gap: clamp(24px, 3vw, 40px);

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-700);
  background: var(--color-white);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-graphite);
  line-height: 1.15;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-brick);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-brick-dark);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-graphite);
  border: 1.5px solid var(--color-gray-300);
}

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

.btn--lg {
  padding: 18px 36px;
  font-size: 16px;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 14px;
}

/* --- Section --- */
.section {
  padding: var(--section-py) 0;
}

.section__header {
  max-width: 720px;
  margin-bottom: clamp(48px, 6vw, 72px);
}

.section__title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section__text {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.7;
  color: var(--color-gray-500);
}

.section__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: clamp(40px, 5vw, 64px);
}

.section__cta--single {
  justify-content: center;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0s);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  border-bottom-color: var(--color-gray-100);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
  overflow-x: clip;
}

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

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-graphite);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  border-radius: var(--radius);
}

.logo__text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  color: var(--color-graphite);
  letter-spacing: -0.01em;
}

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

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--color-graphite);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header__phone {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 15px;
  color: var(--color-graphite);
  white-space: nowrap;
  transition: color var(--transition);
}

.header__phone:hover {
  color: var(--color-brick);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--color-graphite);
  border-radius: 1px;
  transition: all var(--transition);
}

.burger.is-active span:first-child {
  transform: rotate(45deg) translate(3px, 3px);
}

.burger.is-active span:last-child {
  transform: rotate(-45deg) translate(3px, -3px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 101;
  padding: 32px clamp(20px, 4vw, 48px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-graphite);
}

.mobile-menu__phone {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-brick);
  margin-top: 16px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding-top: var(--header-h);
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  max-width: none;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 55% 42%;
}

.hero__gradient {
  position: absolute;
  top: var(--header-h);
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
  background: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  padding-top: clamp(48px, 8vh, 96px);
  padding-bottom: clamp(48px, 8vh, 96px);
  padding-inline: clamp(20px, 4vw, 48px);
}

.hero__content {
  max-width: 580px;
  min-width: 0;
}

.hero__label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: clamp(20px, 3vh, 32px);
}

.hero__label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin-right: 14px;
}

.hero__title {
  font-size: clamp(36px, 4.5vw, 62px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.06;
  margin-bottom: clamp(20px, 3vh, 28px);
  max-width: 12em;
}

.hero__subtitle {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--color-gray-500);
  max-width: 440px;
  margin-bottom: clamp(32px, 4vh, 44px);
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 32px);
  flex-wrap: wrap;
  margin-bottom: clamp(36px, 5vh, 52px);
}

.hero__price {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-gray-700);
  letter-spacing: -0.01em;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: clamp(28px, 4vh, 40px);
  border-top: 1px solid var(--color-gray-100);
}

.hero__badge {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-gray-700);
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-gray-100);
  border-radius: 100px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.hero__badge:hover {
  border-color: var(--color-gray-300);
  color: var(--color-graphite);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ============================================
   VARIANTS
   ============================================ */
.variants {
  padding: var(--section-py) 0;
  background: var(--color-white);
}

.variants__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}

.variants-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 16px;
  background: #000;
}

.variants-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.variants-card:hover .variants-card__image img {
  transform: scale(1.03);
}

.variants-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-graphite);
}

.variants-card__price {
  margin-top: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.01em;
}

.variants-card__size {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--color-gray-500);
}

.variants-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.variants-card--clickable {
  cursor: pointer;
}

.variants-card--clickable:focus-visible {
  outline: 2px solid var(--color-brick);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

/* Variant details modal */
.variant-modal {
  z-index: 210;
}

.variant-modal__dialog {
  max-width: min(640px, 100%);
  padding: clamp(24px, 4vw, 40px);
}

.variant-modal__head {
  margin-bottom: 8px;
  padding-right: 36px;
}

.variant-modal__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 26px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-graphite);
}

.variant-modal__specs-title {
  margin: 20px 0 12px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-graphite);
}

.variant-modal__specs {
  margin: 0;
  display: grid;
  gap: 12px;
}

.variant-modal__spec {
  display: grid;
  grid-template-columns: minmax(120px, 38%) 1fr;
  gap: 12px 16px;
  align-items: start;
  font-size: 15px;
}

.variant-modal__spec dt {
  margin: 0;
  font-weight: 500;
  color: var(--color-gray-500);
}

.variant-modal__spec dd {
  margin: 0;
  font-weight: 500;
  color: var(--color-graphite);
  line-height: 1.45;
}

@media (max-width: 640px) {
  .variant-modal__spec {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ============================================
   COLORS GALLERY (homepage)
   ============================================ */
.colors-gallery {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}

.colors-gallery .section__header {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.colors-gallery__controls {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.colors-gallery__controls .catalog-categories {
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 0;
}

.colors-gallery__controls .catalog-categories:last-of-type {
  margin-bottom: 0;
}

.colors-gallery__controls .catalog-categories__link {
  cursor: pointer;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.25;
}

.colors-gallery__viewer {
  outline: none;
}

.colors-gallery__viewer:focus-visible {
  box-shadow: 0 0 0 2px var(--color-brick);
  border-radius: var(--radius-lg);
}

.colors-gallery__stage {
  position: relative;
  display: block;
  touch-action: pan-y;
}

.colors-gallery__frame {
  position: relative;
  width: 100%;
  min-width: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  box-shadow: 0 12px 40px rgba(26, 26, 26, 0.08);
  aspect-ratio: 16 / 10;
}

.colors-gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.colors-gallery__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-gray-100);
  color: var(--color-graphite);
  font-size: 28px;
  line-height: 1;
  box-shadow: 0 4px 16px rgba(26, 26, 26, 0.12);
  transform: translateY(-50%);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}

.colors-gallery__nav--prev {
  left: clamp(10px, 2vw, 16px);
}

.colors-gallery__nav--next {
  right: clamp(10px, 2vw, 16px);
}

.colors-gallery__nav:hover:not(:disabled) {
  border-color: var(--color-brick);
  color: var(--color-brick);
  transform: translateY(-50%);
}

.colors-gallery__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.colors-gallery__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding: 0 4px;
}

.colors-gallery__caption {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  font-family: var(--font-heading);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 600;
  color: var(--color-graphite);
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.colors-gallery__caption:hover:not(:disabled),
.colors-gallery__caption:focus-visible:not(:disabled) {
  color: var(--color-brick);
  text-decoration-color: currentColor;
}

.colors-gallery__caption:disabled {
  cursor: default;
  text-decoration: none;
}

.colors-gallery__counter {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-500);
}

@media (max-width: 768px) {
  .colors-gallery__nav {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    font-size: 24px;
  }

  .colors-gallery__frame {
    aspect-ratio: 4 / 3;
  }

  .colors-gallery__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* ============================================
   COMPARISON
   ============================================ */
.comparison {
  background: var(--color-bg);
}

.comparison__table--solo {
  margin-bottom: 0;
}

.material-benefits {
  background: var(--color-bg);
}

.comparison__table {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-bottom: clamp(48px, 6vw, 80px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
}

.comparison__col {
  padding: clamp(32px, 4vw, 48px);
}

.comparison__col--classic {
  background: var(--color-bg-alt);
}

.comparison__col--flex {
  background: var(--color-white);
}

.comparison__col-title {
  font-size: clamp(18px, 2vw, 22px);
  margin-bottom: 28px;
  font-weight: 600;
}

.comparison__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-gray-500);
  padding: 0 8px;
  background: var(--color-white);
  border-left: 1px solid var(--color-gray-100);
  border-right: 1px solid var(--color-gray-100);
}

.comparison__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison__item {
  font-size: 15px;
  padding-left: 24px;
  position: relative;
}

.comparison__item--negative::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gray-500);
}

.comparison__item--positive::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-brick);
  font-weight: 600;
}

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  gap: var(--gap);
}

.cards-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  padding: clamp(28px, 3vw, 40px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--color-gray-300);
  transform: translateY(-2px);
}

.card__number {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.card__title {
  font-size: clamp(17px, 1.8vw, 20px);
  margin-bottom: 12px;
  font-weight: 600;
}

.card__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-gray-500);
}

/* ============================================
   CTA BLOCK
   ============================================ */
.cta-block {
  padding: var(--section-py-sm) 0;
}

.cta-block__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(32px, 5vw, 64px);
  padding: clamp(40px, 5vw, 64px);
  background: var(--color-graphite);
  border-radius: var(--radius-lg);
  color: var(--color-white);
}

.cta-block__title {
  font-size: clamp(24px, 3vw, 36px);
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-block__text {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
}

.cta-block__action {
  flex-shrink: 0;
}

.cta-block .btn--primary {
  background: var(--color-brick);
}

.cta-block .btn--primary:hover {
  background: var(--color-brick-dark);
}

/* ============================================
   VISUALIZER
   ============================================ */
.visualizer {
  background: var(--color-bg);
}

.visualizer .section__header {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.visualizer__controls {
  margin-bottom: clamp(24px, 3vw, 32px);
}

.visualizer__material-tabs.catalog-categories {
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 0;
}

.visualizer__material-tabs .catalog-categories__link {
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.25;
}

.visualizer__colors {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.visualizer__colors::-webkit-scrollbar {
  height: 6px;
}

.visualizer__colors::-webkit-scrollbar-thumb {
  background: var(--color-gray-100);
  border-radius: 999px;
}

.visualizer__color {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  min-width: 72px;
  min-height: 72px;
  padding: 3px;
  box-sizing: border-box;
  line-height: 0;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.08);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.visualizer__color:hover {
  transform: translateY(-1px);
}

.visualizer__color.is-active {
  border-color: var(--color-brick);
  box-shadow: 0 6px 20px rgba(184, 69, 58, 0.18);
}

.visualizer__color img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 2px);
  display: block;
  aspect-ratio: 1 / 1;
}

.visualizer__color-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-gray-500);
  background: var(--color-bg-alt);
  border-radius: calc(var(--radius-lg) - 2px);
}

.visualizer__empty {
  font-size: 14px;
  color: var(--color-gray-500);
}

.visualizer__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  box-shadow: 0 12px 40px rgba(26, 26, 26, 0.08);
  aspect-ratio: 16 / 10;
}

.visualizer__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.25s ease;
}

.visualizer__caption {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  font-family: var(--font-heading);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 600;
  color: var(--color-graphite);
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.visualizer__caption:hover:not(:disabled),
.visualizer__caption:focus-visible:not(:disabled) {
  color: var(--color-brick);
  text-decoration-color: currentColor;
}

.visualizer__caption:disabled {
  cursor: default;
  text-decoration: none;
}

@media (max-width: 768px) {
  .visualizer__color {
    width: 64px;
    height: 64px;
  }

  .visualizer__frame {
    aspect-ratio: 4 / 3;
  }
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
}

.advantage {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(24px, 3vw, 32px);
  background: var(--color-white);
  transition: background var(--transition);
}

.advantage:hover {
  background: var(--color-bg);
}

.advantage__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--color-brick);
  border-radius: 50%;
}

.advantage__text {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray-900);
  line-height: 1.5;
}

/* ============================================
   APPLICATION
   ============================================ */
.application {
  background: var(--color-bg);
}

.application__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.application-card {
  group: application;
}

.application-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 16px;
}

.application-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.application-card:hover .application-card__image img {
  transform: scale(1.04);
}

.application-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-graphite);
}

/* ============================================
   MESH
   ============================================ */
.mesh__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.mesh__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-graphite);
}

.mesh__visual img {
  width: 100%;
  height: auto;
}

/* ============================================
   CATALOG
   ============================================ */
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.catalog-card {
  cursor: pointer;
}

.catalog-card--clickable:focus-visible {
  outline: 2px solid var(--color-brick);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.catalog-card__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: 14px;
  background: var(--color-bg-alt);
}

/* Catalog card preview: catalog photo (default) → facade (hover) on desktop */
.catalog-preview {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template: 1fr / 1fr;
}

.catalog-preview__img {
  grid-area: 1 / 1;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
}

.catalog-preview__img--hover {
  grid-area: 1 / 1;
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .catalog-card--clickable:hover .catalog-preview__img--hover,
  .catalog-product--clickable:hover .catalog-preview__img--hover {
    opacity: 1;
  }
}

.catalog-card__title {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-graphite);
}

/* ============================================
   MATERIALS
   ============================================ */
.materials {
  background: var(--color-bg);
}

.materials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.material-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition), box-shadow var(--transition);
}

.material-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.material-card__visual {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
}

.material-card__visual--board {
  background-image: url('../drugie-gibkie-materialy/gibkaya-doska.webp');
}

.material-card__visual--brick {
  background-image: url('../drugie-gibkie-materialy/gibkiy-kirpich.webp');
}

.material-card__visual--stone {
  background-image: url('../drugie-gibkie-materialy/gibkie-kamennye-oboi.webp');
}

.material-card__visual--travertine {
  background-image: url('../drugie-gibkie-materialy/gibkiy-travertin.webp');
}

.material-card__visual--tile {
  background-image: url('../drugie-gibkie-materialy/gibkiy-fahverk.webp');
}

.material-card__visual--scol {
  background-image: url('../drugie-gibkie-materialy/gibkiy-kamennyi-skol.webp');
}

.material-card__visual--rigel {
  background-image: url('../drugie-gibkie-materialy/gibkiy-rigel.webp');
}

.material-card__title {
  padding: 20px 24px 8px;
  font-size: 16px;
  font-weight: 600;
}

.material-card__title:last-child {
  padding-bottom: 20px;
}

.material-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-brick);
  transition: color var(--transition);
}

.material-card__link span {
  transition: transform var(--transition);
}

.material-card__link:hover {
  color: var(--color-brick-dark);
}

.material-card__link:hover span {
  transform: translateX(3px);
}

/* ============================================
   ORDER STEPS
   ============================================ */
.order__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.order-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 0 0 auto;
  max-width: 140px;
}

.order-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-graphite);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 16px;
}

.order-step__text {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
  line-height: 1.4;
}

.order-step__line {
  flex: 1;
  height: 2px;
  background: var(--color-gray-100);
  margin-top: 24px;
  min-width: 24px;
  max-width: 80px;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
  background: var(--color-bg);
}

.gallery__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--gap);
}

.gallery__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 0;
}

.gallery__item--large {
  grid-row: 1 / 3;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery__item:hover img {
  transform: scale(1.03);
}

.gallery__item--large img {
  min-height: 100%;
  aspect-ratio: auto;
}

.gallery__item:not(.gallery__item--large) img {
  aspect-ratio: 16 / 10;
}

/* ============================================
   SAMPLES
   ============================================ */
.samples__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
  padding: clamp(40px, 5vw, 64px);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.samples__list {
  margin: 28px 0 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.samples__list li {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray-700);
  padding-left: 20px;
  position: relative;
}

.samples__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-brick);
  border-radius: 50%;
}

.samples__swatches {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.samples__swatch {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  background: var(--color-white);
}

.faq__list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-100);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-gray-100);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  font-family: var(--font-heading);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 500;
  color: var(--color-graphite);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--color-gray-500);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__question:hover {
  color: var(--color-brick);
}

.faq-item__answer {
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-500);
}

.faq-item__answer p + p {
  margin-top: 12px;
}

.faq-item__answer ul {
  margin-top: 12px;
  padding-left: 20px;
}

.faq-item__answer li {
  list-style: disc;
  margin-bottom: 4px;
}

.faq__cta {
  max-width: var(--container-narrow);
  margin: clamp(48px, 6vw, 72px) auto 0;
  text-align: center;
}

.faq__cta-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-gray-500);
  margin-bottom: 24px;
}

.faq__samples {
  text-align: center;
  margin-top: 24px;
}

/* ============================================
   CERTIFICATES
   ============================================ */
.certificates {
  background: var(--color-bg-alt);
}

.certificates__track-wrap {
  max-width: 720px;
  margin-inline: auto;
}

.certificates__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 32px);
}

.certificates__cell {
  margin: 0;
}

.certificates__item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  text-align: center;
  font: inherit;
  color: inherit;
}

.certificates__item:focus-visible {
  outline: 2px solid var(--color-brick);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.certificates__frame {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  box-shadow: 0 8px 28px rgba(26, 26, 26, 0.06);
  aspect-ratio: 210 / 297;
  transition: box-shadow var(--transition), transform var(--transition);
}

.certificates__item:hover .certificates__frame,
.certificates__item:focus-visible .certificates__frame {
  box-shadow: 0 12px 36px rgba(26, 26, 26, 0.1);
  transform: translateY(-2px);
}

.certificates__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.certificates__zoom {
  position: absolute;
  inset: auto 12px 12px 12px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: rgba(26, 26, 26, 0.72);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition);
}

.certificates__item:hover .certificates__zoom,
.certificates__item:focus-visible .certificates__zoom {
  opacity: 1;
  transform: translateY(0);
}

.certificates__label {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray-500);
}

.certificate-lightbox {
  z-index: 215;
}

.certificate-lightbox__dialog {
  max-width: min(920px, 100%);
  padding: clamp(16px, 3vw, 24px);
  background: var(--color-white);
}

.certificate-lightbox__image {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(100dvh - 120px);
  margin: 0 auto;
  object-fit: contain;
  border-radius: var(--radius-md);
}

@media (max-width: 768px) {
  .certificates__track-wrap {
    max-width: none;
    margin-inline: calc(-1 * clamp(20px, 4vw, 48px));
    padding-inline: clamp(20px, 4vw, 48px);
  }

  .certificates__grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: clamp(20px, 4vw, 48px);
    padding-bottom: 6px;
    scrollbar-width: thin;
  }

  .certificates__grid::-webkit-scrollbar {
    height: 6px;
  }

  .certificates__grid::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 999px;
  }

  .certificates__cell {
    flex: 0 0 min(72vw, 280px);
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .certificates__grid::after {
    content: '';
    flex: 0 0 1px;
  }

  .certificates__zoom {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
  background: var(--color-bg);
}

.final-cta__inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.final-cta__title {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.final-cta__text {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-gray-500);
  margin-bottom: 36px;
}

.final-cta__note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-gray-500);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-graphite);
  color: rgba(255, 255, 255, 0.7);
  padding-top: clamp(48px, 6vw, 64px);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: clamp(40px, 5vw, 56px);
}

.footer .logo__text {
  color: var(--color-white);
}

.footer__desc {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.6;
  max-width: 320px;
}

.footer__phone {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-white);
  display: block;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.footer__phone:hover {
  color: var(--color-accent);
}

.footer__region {
  font-size: 14px;
}

.footer__cta {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 0 18px;
}

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__legal-row {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.32);
}

.footer__legal-row--primary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer__legal-link {
  font-size: inherit;
  color: rgba(255, 255, 255, 0.42);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: auto;
  flex-shrink: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 48px);
  transform: translateY(20px);
  transition: transform var(--transition);
}

.modal.is-open .modal__dialog {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-gray-500);
  border-radius: 50%;
  transition: background var(--transition), color var(--transition);
}

.modal__close:hover {
  background: var(--color-bg-alt);
  color: var(--color-graphite);
}

.modal__title {
  font-size: 24px;
  margin-bottom: 8px;
}

.modal__subtitle {
  font-size: 15px;
  color: var(--color-gray-500);
  margin-bottom: 28px;
}

/* --- Form --- */
.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 6px;
}

.form__optional {
  font-weight: 400;
  color: var(--color-gray-500);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-graphite);
  background: var(--color-bg);
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-gray-300);
  background: var(--color-white);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-500);
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

.form__submit {
  width: 100%;
  margin-top: 8px;
}

.form__privacy {
  margin-top: 16px;
  font-size: 12px;
  color: var(--color-gray-500);
  text-align: center;
}

.form__privacy a {
  text-decoration: underline;
  color: var(--color-gray-700);
}

.modal__success {
  text-align: center;
  padding: 20px 0;
}

.modal__success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #E8F5E9;
  color: #2E7D32;
  font-size: 24px;
  border-radius: 50%;
}

.modal__success h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.modal__success p {
  font-size: 15px;
  color: var(--color-gray-500);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .nav,
  .header__actions .btn,
  .header__phone {
    display: none;
  }

  .burger {
    display: flex;
    position: relative;
    z-index: 102;
  }

  .hero__inner {
    min-height: auto;
    padding-top: clamp(40px, 8vw, 64px);
    padding-bottom: clamp(48px, 10vw, 80px);
  }

  .hero__bg {
    left: 0;
  }

  .hero__bg img {
    object-fit: cover;
    object-position: 55% 35%;
  }

  .hero__gradient {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.4) 30%,
      rgba(255, 255, 255, 0.92) 45%,
      #FFFFFF 58%,
      #FFFFFF 100%
    );
  }

  .hero__title {
    font-size: clamp(32px, 7vw, 48px);
  }

  .cards-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison__table {
    grid-template-columns: 1fr;
  }

  .comparison__vs {
    padding: 16px;
    border: none;
    border-top: 1px solid var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-100);
  }

  .advantages__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .application__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .variants__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 2vw, 24px);
  }

  .catalog__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .mesh__inner {
    grid-template-columns: 1fr;
  }

  .materials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-block__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-block__action .btn {
    width: 100%;
  }

  .gallery__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .gallery__item--large {
    grid-row: auto;
  }

  .samples__inner {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__cta {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .order__steps {
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
  }

  .order-step__line {
    display: none;
  }

  .order-step {
    max-width: 120px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
  }

  .cards-grid--3 {
    grid-template-columns: 1fr;
  }

  .advantages__grid {
    grid-template-columns: 1fr;
  }

  .application__grid {
    grid-template-columns: 1fr;
  }

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

  .catalog__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .materials__grid {
    grid-template-columns: 1fr;
  }

  .hero__content {
    max-width: none;
    width: 100%;
  }

  .hero__inner {
    padding-bottom: clamp(40px, 8vw, 64px);
  }

  .hero__title {
    max-width: none;
    font-size: clamp(28px, 8.2vw, 40px);
  }

  .hero__subtitle {
    max-width: none;
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__badges {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .order__steps {
    flex-direction: column;
    align-items: center;
  }

  .order-step {
    max-width: 100%;
  }

  .btn--lg {
    padding: 16px 28px;
    font-size: 15px;
    white-space: normal;
    text-align: center;
  }
}

/* ============================================
   FULL CATALOG PAGE
   ============================================ */
.page-catalog main {
  padding-top: var(--header-h);
}

.catalog-full__intro {
  margin-bottom: clamp(32px, 4vw, 48px);
}

.catalog-full__count {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--color-gray-500);
}

.catalog-full__intro-line {
  display: block;
}

.catalog-full__specs-link,
.catalog-product__more,
.variants-card__specs-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  font-size: inherit;
  font-weight: 600;
  line-height: inherit;
  color: var(--color-graphite);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.catalog-full__specs-link:hover,
.catalog-full__specs-link:focus-visible,
.catalog-product__more:hover,
.catalog-product__more:focus-visible,
.variants-card__specs-link:hover,
.variants-card__specs-link:focus-visible {
  color: var(--color-brick);
  text-decoration-color: currentColor;
}

.variants-card__specs-link {
  margin-top: 10px;
  font-size: 14px;
  align-self: flex-start;
}

.catalog-categories {
  display: flex;
  gap: 10px;
  margin-bottom: clamp(28px, 4vw, 40px);
  padding-bottom: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.catalog-categories::-webkit-scrollbar {
  height: 6px;
}

.catalog-categories::-webkit-scrollbar-thumb {
  background: var(--color-gray-100);
  border-radius: 999px;
}

.catalog-categories__link {
  flex: 0 0 auto;
  padding: 12px 18px;
  border: 1px solid var(--color-gray-100);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-gray-700);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.catalog-categories__link:hover {
  border-color: var(--color-brick);
  color: var(--color-graphite);
}

.catalog-categories__link.is-active {
  border-color: var(--color-brick);
  background: var(--color-brick);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(168, 74, 52, 0.18);
}

.catalog-full__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.catalog-product {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.catalog-product:hover {
  box-shadow: 0 8px 32px rgba(26, 26, 26, 0.08);
}

.catalog-product__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.catalog-product__image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalog-product-preview--desktop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.catalog-product-preview--desktop .catalog-preview {
  position: absolute;
  inset: 0;
}

.catalog-product-swipe {
  display: none;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}

.catalog-product-swipe__viewport {
  overflow: hidden;
  width: 100%;
  height: 100%;
}

.catalog-product-swipe__track {
  display: flex;
  height: 100%;
  transition: transform 0.28s ease;
  will-change: transform;
}

.catalog-product-swipe__slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.catalog-product-swipe__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.catalog-product-swipe__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  display: flex;
  justify-content: center;
  gap: 6px;
  pointer-events: none;
}

.catalog-product-swipe__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, background 0.2s ease;
}

.catalog-product-swipe__dot.is-active {
  background: var(--color-white);
  transform: scale(1.15);
}

@media (max-width: 768px) {
  .catalog-full .catalog-product-preview--desktop {
    display: none;
  }

  .catalog-full .catalog-product-swipe {
    display: block;
  }
}

.catalog-product__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 6px;
  padding: 20px;
}

.catalog-product__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-graphite);
}

.catalog-product__sku {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-500);
}

.catalog-product__price,
.catalog-product__prices {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-graphite);
}

.catalog-product__prices {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.catalog-product__price-line {
  display: block;
  line-height: 1.35;
}

.catalog-product__price-note {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-gray-500);
}

.catalog-product__more {
  margin-top: 12px;
  align-self: flex-start;
  font-size: 15px;
  color: var(--color-brick);
}

.catalog-product__more:hover,
.catalog-product__more:focus-visible {
  color: var(--color-brick-dark);
}

.category-specs-modal {
  z-index: 212;
}

.category-specs-modal__dialog .product-modal__head {
  margin-bottom: 12px;
}

.category-specs-modal__dialog .product-modal__specs-block {
  margin-top: 0;
}

.catalog-product--clickable {
  cursor: pointer;
}

.catalog-product--clickable:focus-visible {
  outline: 2px solid var(--color-brick);
  outline-offset: 2px;
}

/* Product detail modal (catalog) */
.product-modal {
  z-index: 210;
}

.product-modal__dialog {
  max-width: min(920px, 100%);
  padding: clamp(24px, 4vw, 40px);
}

.product-modal__head {
  margin-bottom: 20px;
  padding-right: 36px;
}

.product-modal__sku {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

.product-modal__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-graphite);
}

.product-modal__gallery {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(8px, 2vw, 16px);
}

.product-modal__stage {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-gray-100);
  aspect-ratio: 16 / 10;
}

.product-modal__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-modal__nav {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  color: var(--color-graphite);
  font-size: 28px;
  line-height: 1;
  box-shadow: 0 4px 16px rgba(26, 26, 26, 0.08);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.product-modal__nav:hover:not(:disabled) {
  border-color: var(--color-brick);
  color: var(--color-brick);
  transform: translateY(-1px);
}

.product-modal__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.product-modal__slide-label {
  margin: 12px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray-500);
  text-align: center;
}

.product-modal__specs-block {
  margin-top: 24px;
}

.product-modal__format-tabs {
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 0;
  flex-wrap: wrap;
}

.product-modal__format-tabs[hidden] {
  display: none !important;
}

.product-modal__format-tabs .catalog-categories__link {
  cursor: pointer;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.25;
}

.product-modal__specs-title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-graphite);
}

.product-modal__specs {
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}

.product-modal__spec {
  display: grid;
  grid-template-columns: minmax(88px, 120px) 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
}

.product-modal__spec dt {
  margin: 0;
  font-weight: 500;
  color: var(--color-gray-500);
}

.product-modal__spec dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-graphite);
}

.product-modal__spec dd.is-multiline {
  white-space: pre-line;
  font-weight: 500;
  line-height: 1.45;
}

.product-modal__order {
  width: 100%;
}

@media (max-width: 640px) {
  .product-modal__gallery {
    position: relative;
    display: block;
  }

  .product-modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .product-modal__nav:hover:not(:disabled) {
    transform: translateY(-50%);
  }

  .product-modal__nav--prev {
    left: 8px;
  }

  .product-modal__nav--next {
    right: 8px;
  }
}

@media (max-width: 1024px) {
  .catalog-full__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .catalog-full__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .catalog-full__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ============================================
   PROJECTS LIGHTBOX
   ============================================ */
.projects-lightbox {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.projects-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.projects-lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.92);
}

.projects-lightbox__stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 1200px;
  max-height: calc(100vh - 80px);
  touch-action: pan-y;
}

.projects-lightbox__image {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 80px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.projects-lightbox__close {
  position: absolute;
  top: clamp(16px, 3vw, 28px);
  right: clamp(16px, 3vw, 28px);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: 28px;
  line-height: 1;
  transition: background var(--transition);
}

.projects-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.projects-lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: 32px;
  line-height: 1;
  transition: background var(--transition);
}

.projects-lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

.projects-lightbox__nav--prev {
  left: clamp(12px, 2vw, 24px);
}

.projects-lightbox__nav--next {
  right: clamp(12px, 2vw, 24px);
}

@media (max-width: 640px) {
  .projects-lightbox__nav {
    width: 40px;
    height: 40px;
    font-size: 26px;
  }

  .projects-lightbox__close {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }
}

/* ============================================
   QUIZ
   ============================================ */
.quiz {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: flex;
  align-items: stretch;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.quiz.is-open {
  opacity: 1;
  visibility: visible;
}

.quiz__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.quiz__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  margin: auto;
  max-height: 100dvh;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  transform: translateY(16px);
  transition: transform var(--transition);
}

.quiz.is-open .quiz__panel {
  transform: translateY(0);
}

.quiz__header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.quiz__back {
  grid-column: 1;
  justify-self: start;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
  padding: 8px 0;
  min-height: 44px;
}

.quiz__back:hover {
  color: var(--color-graphite);
}

.quiz__close {
  grid-column: 2;
  grid-row: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-gray-500);
  border-radius: 50%;
  transition: background var(--transition), color var(--transition);
}

.quiz__close:hover {
  background: var(--color-bg-alt);
  color: var(--color-graphite);
}

.quiz__progress-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 12px;
}

.quiz__title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 28px);
  line-height: 1.2;
  color: var(--color-graphite);
  margin-bottom: 12px;
}

.quiz__subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-gray-500);
  margin-bottom: 28px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.quiz-option {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  min-height: 52px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-graphite);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.quiz-option:hover {
  border-color: var(--color-brick);
}

.quiz-option.is-selected {
  border-color: var(--color-brick);
  background: rgba(184, 69, 58, 0.06);
}

.quiz__custom-area {
  margin-top: -8px;
  margin-bottom: 20px;
}

.quiz__next,
.quiz-form .form__submit {
  width: 100%;
}

.quiz-form__error {
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-brick);
}

.quiz-step--success {
  text-align: center;
}

.quiz-step--success .quiz__title,
.quiz-step--success .quiz__subtitle {
  text-align: center;
}

.quiz-step--success .modal__success-icon {
  margin: 0 auto 20px;
}

.quiz-step--success .btn {
  width: 100%;
  margin-top: 8px;
}

@media (max-width: 640px) {
  .quiz {
    align-items: flex-end;
  }

  .quiz__panel {
    max-width: none;
    max-height: 92dvh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
  }

  .quiz-option {
    padding: 18px 20px;
    min-height: 56px;
  }
}

/* ============================================
   QUIZ PROMO WIDGET
   ============================================ */
.quiz-widget {
  position: fixed;
  right: clamp(12px, 3vw, 24px);
  bottom: calc(clamp(12px, 3vw, 24px) + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  width: min(260px, calc(100vw - 24px));
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
  pointer-events: none;
}

.quiz-widget.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.quiz-widget__action {
  display: block;
  width: 100%;
  padding: 14px 36px 14px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-left: 3px solid var(--color-brick);
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 24px rgba(26, 26, 26, 0.1);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-graphite);
  text-align: left;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.quiz-widget__action:hover {
  border-color: rgba(184, 69, 58, 0.45);
  box-shadow: 0 8px 28px rgba(184, 69, 58, 0.14);
  transform: translateY(-1px);
}

.quiz-widget__accent {
  color: var(--color-brick);
  font-weight: 600;
}

.quiz-widget__close {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 1;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  color: var(--color-gray-500);
  border-radius: 50%;
  transition: background var(--transition), color var(--transition);
}

.quiz-widget__close:hover {
  background: var(--color-bg-alt);
  color: var(--color-graphite);
}

@media (max-width: 640px) {
  .quiz-widget {
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    width: min(220px, calc(100vw - 24px));
  }

  .quiz-widget__action {
    padding: 12px 32px 12px 14px;
    font-size: 13px;
  }

  .quiz-widget__close {
    width: 32px;
    height: 32px;
  }
}


/* Legal / privacy policy page */
.page-legal .header {
  position: sticky;
}

.legal-page {
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 80px;
}

.legal-page__inner {
  max-width: 760px;
}

.legal-page__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-gray-900);
  margin-bottom: 40px;
}

.legal-page h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-gray-900);
  margin-top: 40px;
  margin-bottom: 16px;
}

.legal-page h2:first-of-type {
  margin-top: 0;
}

.legal-page p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray-700);
  margin-bottom: 16px;
}

.legal-page p:last-child {
  margin-bottom: 0;
}

.legal-page p strong {
  font-weight: 600;
  color: var(--color-gray-900);
}

.legal-page a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-page a:hover {
  opacity: 0.85;
}

.legal-page__list {
  margin: 0 0 16px;
  padding-left: 1.25rem;
  list-style: disc;
}

.legal-page__list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray-700);
  margin-bottom: 8px;
}

.legal-page__list li:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .legal-page {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 56px;
  }

  .legal-page__title {
    margin-bottom: 28px;
  }

  .legal-page h2 {
    margin-top: 32px;
    font-size: 1.125rem;
  }

  .legal-page p,
  .legal-page__list li {
    font-size: 14px;
  }
}