/* ══════════════════════════════════════
   VARIABLES & RESET
══════════════════════════════════════ */
:root {
  --clr-bg: #0d0d0d;
  --clr-surface: #161616;
  --clr-surface2: #1e1e1e;
  --clr-border: rgba(255,255,255,0.08);
  --clr-accent: #c9a96e;
  --clr-accent2: #e8c98a;
  --clr-text: #f0ece4;
  --clr-muted: #888;
  --clr-order-bg: #111;

  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.22s ease;

  --font: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container {
  width: min(1200px, 100%);
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 60px);
}

/* ══════════════════════════════════════
   TYPOGRAPHY
══════════════════════════════════════ */
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-title--light { color: #fff; }

.section-sub {
  color: var(--clr-muted);
  font-size: 1rem;
  margin-bottom: 48px;
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-accent);
  color: #0d0d0d;
}
.btn--primary:hover {
  background: var(--clr-accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201,169,110,0.35);
}

.btn--ghost {
  background: transparent;
  border: 1.5px solid var(--clr-accent);
  color: var(--clr-accent);
}
.btn--ghost:hover {
  background: var(--clr-accent);
  color: #0d0d0d;
}

.btn--lg { padding: 18px 40px; font-size: 1.1rem; }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--full { width: 100%; }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 40%, rgba(201,169,110,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(201,169,110,0.07) 0%, transparent 60%),
    var(--clr-bg);
  z-index: 0;
}

.hero .container { position: relative; z-index: 1; }

.hero__inner {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,110,0.12);
  border: 1px solid rgba(201,169,110,0.3);
  color: var(--clr-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  width: fit-content;
}

.hero__title {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero__title span { color: var(--clr-accent); }

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(240,236,228,0.7);
  max-width: 480px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.hero__size {
  font-size: 0.9rem;
  color: var(--clr-muted);
  background: var(--clr-surface);
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid var(--clr-border);
}
.hero__price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-accent);
}

.hero__scroll {
  display: inline-block;
  color: var(--clr-muted);
  font-size: 0.85rem;
  margin-top: -8px;
  transition: color var(--transition);
}
.hero__scroll:hover { color: var(--clr-accent); }

/* floating previews */
.hero__previews {
  position: absolute;
  right: clamp(20px, 5vw, 80px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 1;
  pointer-events: none;
}

.preview {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface2);
}
.preview--1 {
  width: clamp(180px, 22vw, 320px);
  height: clamp(140px, 17vw, 250px);
  transform: rotate(2deg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.preview--2 {
  width: clamp(140px, 17vw, 260px);
  height: clamp(110px, 14vw, 200px);
  transform: rotate(-1.5deg);
  align-self: flex-end;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.preview--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  font-size: 0.7rem;
  text-align: center;
  padding: 12px;
}
.preview--placeholder::after {
  content: '📷 Фото\nтут';
  white-space: pre;
}

.hero__mobile-img {
  display: none;
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
  max-height: 260px;
  border: 1px solid var(--clr-border);
  box-shadow: 0 16px 48px rgba(0,0,0,0.45);
  background: var(--clr-surface2);
}
.hero__mobile-img img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center;
}
.hero__mobile-img:not(:has(img[src])),
.hero__mobile-img img[src="media/preview1.jpg"]:not([style*="display: none"]) ~ * { display: none; }

@media (max-width: 900px) {
  .hero__previews { display: none; }
  .hero__mobile-img { display: block; }
  .hero { min-height: auto; padding: 80px 0 60px; }
}

/* ══════════════════════════════════════
   FEATURES
══════════════════════════════════════ */
.features {
  padding: 80px 0;
  border-top: 1px solid var(--clr-border);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(201,169,110,0.4);
  transform: translateY(-4px);
}
.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.9rem;
  color: rgba(240,236,228,0.6);
  line-height: 1.5;
}

/* ══════════════════════════════════════
   GALLERY
══════════════════════════════════════ */
.gallery {
  padding: 80px 0;
  border-top: 1px solid var(--clr-border);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 260px 260px;
  gap: 16px;
  margin-top: 48px;
}

.gallery__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
}
.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }

.gallery__item img {
  transition: transform 0.5s ease;
}
.gallery__item:hover img { transform: scale(1.04); }

.gallery__label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
}

.gallery__item--ph {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  font-size: 0.85rem;
  text-align: center;
}
.gallery__item--ph::before {
  content: '📷 Фото інтер\'єру';
}

@media (max-width: 700px) {
  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery__item--tall { grid-row: auto; }
  .gallery__item--wide { grid-column: auto; }
}
@media (max-width: 480px) {
  .gallery__grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════
   PRODUCTS
══════════════════════════════════════ */
.products {
  padding: 80px 0;
  border-top: 1px solid var(--clr-border);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.product-card {
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: rgba(201,169,110,0.5);
  transform: translateY(-4px);
}
.product-card.is-selected {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 2px rgba(201,169,110,0.2);
}

.product-card__swatch {
  height: 140px;
  width: 100%;
}
/* Placeholder colour swatches — replace with real product images */
.product-card__swatch--1 { background: linear-gradient(135deg, #2d2420 0%, #4a3728 50%, #6b4f3a 100%); }
.product-card__swatch--2 { background: linear-gradient(135deg, #1a1a2e 0%, #2d2d4a 50%, #4a4a6b 100%); }
.product-card__swatch--3 { background: linear-gradient(135deg, #1e2a1e 0%, #2d4a2d 50%, #3d6b3d 100%); }
.product-card__swatch--4 { background: linear-gradient(135deg, #2a2a2a 0%, #424242 50%, #5a5a5a 100%); }
.product-card__swatch--5 { background: linear-gradient(135deg, #2a1e1e 0%, #4a2d2d 50%, #6b3d3d 100%); }
.product-card__swatch--6 { background: linear-gradient(135deg, #2a261e 0%, #4a4228 50%, #6b5e3a 100%); }

.product-card__info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px 10px;
}
.product-card__sku {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-muted);
  letter-spacing: 0.04em;
}
.product-card__price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-accent);
}
.product-card .btn {
  margin: 0 16px 16px;
}

/* ══════════════════════════════════════
   ORDER
══════════════════════════════════════ */
.order {
  padding: 80px 0 100px;
  background: var(--clr-order-bg);
  border-top: 1px solid var(--clr-border);
}

.order__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.order__left { padding-top: 8px; }

.order__desc {
  color: rgba(240,236,228,0.65);
  margin-bottom: 28px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.order__perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.order__perks li {
  font-size: 0.9rem;
  color: rgba(240,236,228,0.8);
}

.order__contacts p {
  font-size: 0.85rem;
  color: var(--clr-muted);
  margin-bottom: 12px;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-accent);
  margin-right: 16px;
  margin-bottom: 8px;
  transition: opacity var(--transition);
}
.contact-link:hover { opacity: 0.75; }

/* Form */
.order-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(240,236,228,0.75);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--clr-surface2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-group textarea { resize: vertical; min-height: 80px; }

.form-group input.is-invalid,
.form-group select.is-invalid {
  border-color: #e05050;
}

.form-error {
  font-size: 0.78rem;
  color: #e05050;
  min-height: 16px;
}

/* Qty control */
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--clr-surface2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
  transition: border-color var(--transition);
}
.qty-control:focus-within { border-color: var(--clr-accent); }

.qty-btn {
  width: 44px;
  height: 44px;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--clr-muted);
  background: transparent;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
  user-select: none;
}
.qty-btn:hover { background: rgba(201,169,110,0.12); color: var(--clr-accent); }
.qty-btn:active { background: rgba(201,169,110,0.2); }

.qty-control input {
  width: 60px;
  text-align: center;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  height: 44px;
  font-size: 1rem;
  font-weight: 600;
}
.qty-control input::-webkit-inner-spin-button,
.qty-control input::-webkit-outer-spin-button { -webkit-appearance: none; }
.qty-control input[type=number] { -moz-appearance: textfield; }

.qty-total {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-accent);
  margin-top: 6px;
}

.form-note {
  font-size: 0.73rem;
  color: var(--clr-muted);
  text-align: center;
  margin-top: -8px;
}

/* Success state */
.form-success {
  background: var(--clr-surface);
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
}
.form-success__icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.form-success p { color: rgba(240,236,228,0.65); }

@media (max-width: 900px) {
  .order__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .order__left { padding-top: 0; }
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--clr-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--clr-muted);
}

/* ══════════════════════════════════════
   SUBMIT ANIMATION
══════════════════════════════════════ */
.btn--loading {
  pointer-events: none;
  opacity: 0.7;
  position: relative;
}
.btn--loading::after {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════
   RESPONSIVE TWEAKS
══════════════════════════════════════ */
@media (max-width: 600px) {
  .hero { padding: 70px 0 50px; }
  .features { padding: 60px 0; }
  .gallery { padding: 60px 0; }
  .products { padding: 60px 0; }
  .order { padding: 60px 0 80px; }
  .features__grid { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr 1fr; }
  .hero__meta { flex-direction: column; align-items: flex-start; gap: 8px; }
  .order-form { padding: 20px 16px; }
}

@media (max-width: 380px) {
  .products__grid { grid-template-columns: 1fr; }
}