@import url('variables.css');
@import url('animations.css');

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--h1-size);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--h2-size);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-family: var(--font-heading);
  font-size: var(--h3-size);
  font-weight: 500;
  line-height: 1.3;
}

/* ============================================
   LAYOUT
   ============================================ */

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

.section {
  padding: var(--section-padding) 0;
}

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

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__title {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.section--dark .section__title {
  color: var(--color-white);
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section__subtitle {
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

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

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

.btn--accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--caption-size);
}

/* ============================================
   HEADER
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 1.25rem 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-white);
  transition: color var(--transition-base);
}

.header.scrolled .header__logo {
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__link {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  position: relative;
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.header__link:hover::after,
.header__link.active::after {
  width: 100%;
}

.header.scrolled .header__link {
  color: var(--color-text-secondary);
}

.header.scrolled .header__link:hover {
  color: var(--color-text);
}

.header__lang {
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.7);
  padding: 0.375rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.header.scrolled .header__lang {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

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

/* Mobile menu toggle */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header.scrolled .header__burger span {
  background: var(--color-text);
}

.header__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__burger.active span:nth-child(2) {
  opacity: 0;
}

.header__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(250, 248, 245, 0.98);
  backdrop-filter: blur(20px);
  z-index: calc(var(--z-header) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav.active {
  opacity: 1;
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 23, 20, 0.3) 0%,
    rgba(26, 23, 20, 0.55) 50%,
    rgba(26, 23, 20, 0.7) 100%
  );
  z-index: -1;
}

.hero__content {
  max-width: 800px;
  padding: var(--space-2xl);
}

.hero__label {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--caption-size);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-icon {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-icon::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
}

/* ============================================
   FEATURES (Why Bamboo)
   ============================================ */

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

.feature-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature-card__text {
  font-size: var(--small-size);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   CATALOG
   ============================================ */

.catalog-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

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

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card__image img {
  transform: scale(1.06);
}

.product-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: rgba(26, 23, 20, 0.75);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.product-card__info {
  padding: var(--space-md);
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.product-card__size {
  font-size: var(--small-size);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.product-card__action {
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap var(--transition-fast);
}

.product-card:hover .product-card__action {
  gap: 0.625rem;
}

.product-card__action svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card__action svg {
  transform: translateX(2px);
}

/* ============================================
   MODAL (Product Detail)
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 23, 20, 0.7);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-text);
  z-index: 2;
  transition: all var(--transition-fast);
}

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

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.modal-gallery {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.modal-gallery__main {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-sm);
  aspect-ratio: 4 / 3;
  background: var(--color-bg);
}

.modal-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xs);
}

.modal-gallery__thumb {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.modal-gallery__thumb.active {
  border-color: var(--color-accent);
}

.modal-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
}

.modal-details__label {
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.modal-details__title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: var(--space-lg);
}

.modal-specs {
  margin-bottom: var(--space-xl);
  flex: 1;
}

.modal-specs__row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--small-size);
}

.modal-specs__label {
  color: var(--color-text-secondary);
}

.modal-specs__value {
  font-weight: 600;
}

.modal-applications {
  margin-bottom: var(--space-xl);
}

.modal-applications__title {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.modal-applications__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.modal-applications__tag {
  font-size: var(--caption-size);
  padding: 0.375rem 0.75rem;
  background: var(--color-bg-alt);
  border-radius: 100px;
  color: var(--color-text-secondary);
}

.modal-nav {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.modal-nav__btn {
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color var(--transition-fast);
}

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

/* ============================================
   GALLERY (Interiors)
   ============================================ */

.gallery-grid {
  columns: 3;
  column-gap: var(--space-md);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 23, 20, 0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__label {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 600;
  color: var(--color-white);
}

.gallery-more {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Hidden gallery items */
.gallery-item.hidden {
  display: none;
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition-fast);
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav--prev { left: var(--space-lg); }
.lightbox__nav--next { right: var(--space-lg); }

/* ============================================
   SPECS TABLE
   ============================================ */

.specs-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.specs-table {
  width: 100%;
}

.specs-table__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.specs-table__label {
  color: var(--color-text-secondary);
  font-size: var(--body-size);
}

.specs-table__value {
  font-weight: 600;
  text-align: right;
}

.specs-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

.specs-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.specs-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   ABOUT
   ============================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content__label {
  font-family: var(--font-heading);
  font-size: var(--caption-size);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.about-content__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-lg);
}

.about-content__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.about-stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.about-stat__label {
  font-size: var(--small-size);
  color: var(--color-text-secondary);
}

/* ============================================
   ADVANTAGES
   ============================================ */

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.advantage-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.advantage-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.advantage-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}

.advantage-card__icon svg {
  width: 100%;
  height: 100%;
}

.advantage-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-white);
}

.advantage-card__text {
  font-size: var(--small-size);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: var(--body-size);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
}

.contact-info__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info__text {
  font-size: var(--small-size);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.contact-info__text a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.contact-info__text a:hover {
  color: var(--color-accent-hover);
}

.contact-messengers {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.messenger-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--small-size);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.messenger-btn--wa {
  background: #E8F5E9;
  color: #25D366;
}

.messenger-btn--wa:hover {
  background: #25D366;
  color: white;
}

.messenger-btn--tg {
  background: #E3F2FD;
  color: #0088CC;
}

.messenger-btn--tg:hover {
  background: #0088CC;
  color: white;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer__desc {
  font-size: var(--small-size);
  line-height: 1.6;
  max-width: 300px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--small-size);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__link {
  display: block;
  font-size: var(--small-size);
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--caption-size);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 50;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

/* ============================================
   RESPONSIVE
   ============================================ */

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

  .gallery-grid {
    columns: 2;
  }

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .gallery-grid {
    columns: 2;
    column-gap: var(--space-sm);
  }

  .specs-section,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .modal-body {
    grid-template-columns: 1fr;
  }

  .modal-gallery {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .advantages-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .catalog-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .gallery-grid {
    columns: 1;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .contact-row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .contact-messengers {
    justify-content: center;
  }
}