body { background: var(--foam); }

.back-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em;
  color: var(--mid); opacity: 0.55; text-decoration: none;
  margin-bottom: 2rem; transition: opacity 0.2s;
}
.back-link:hover { opacity: 1; }

.product-page { padding: 7.5rem 3rem 5rem; }
.product-wrap { max-width: 960px; margin: 0 auto; }

.product-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}

.product-title {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.01em; line-height: 1;
  color: var(--marine); margin-bottom: 0.75rem;
}
.product-price        { font-size: 1.5rem; font-weight: 700; color: var(--marine); margin-bottom: 1.4rem; }
.product-construction {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mid); opacity: 0.65; line-height: 1.85; margin-bottom: 1.2rem;
}
.product-desc { font-size: 0.9rem; font-weight: 300; line-height: 1.9; color: var(--mid); margin-bottom: 1.1rem; }
.product-rule { border: none; border-top: 1px solid rgba(18,41,58,0.1); margin: 1.4rem 0; }
.product-note { font-size: 0.7rem; font-weight: 300; color: var(--mid); opacity: 0.55; line-height: 1.75; margin-bottom: 1.8rem; }

.product-cta { display: flex; flex-direction: column; gap: 0.6rem; }

.btn-contact {
  display: flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 0.85rem 1.4rem;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--foam); background: var(--marine); text-decoration: none;
  border: none; cursor: pointer; transition: background 0.2s;
}
.btn-contact:hover { background: var(--teal); }
.btn-contact:hover .btn-arr { transform: translateX(3px); }

.btn-wa {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: #fff; background: #25D366; text-decoration: none; transition: background 0.2s; border: none; cursor: pointer;
}
.btn-wa:hover { background: #1da851; }

.product-right  { display: flex; flex-direction: column; gap: 1.5rem; }
.product-boards { display: flex; gap: 1rem; align-items: flex-end; justify-content: center; }
.product-boards img { flex: 1; max-height: 420px; width: auto; object-fit: contain; }

@media (max-width: 900px) {
  .product-page { padding: 6.5rem 1.6rem 4rem; }
  .product-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .product-right { order: -1; }
  .product-boards img { max-height: 200px; }
}