/* =========================================================================
   INNER PAGES — About, Services, Product Detail, Products, Gallery, Contact
   ========================================================================= */

.page-hero {
  position: relative;
  padding: 170px 0 90px;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; top: -20%; left: 50%;
  width: 900px; height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--blue-glow-soft), transparent 65%);
  pointer-events: none;
}
.page-hero .label { justify-content: center; }
.page-hero .label::before { display: none; }
.page-hero h1 { text-align: center; margin: 20px auto 0; max-width: 820px; }
.page-hero .text-lead { text-align: center; max-width: 620px; margin: 22px auto 0; }

/* ---------------- About: editorial layout ---------------- */
.editorial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
@media (max-width: 900px) { .editorial-grid { grid-template-columns: 1fr; } }
.editorial-grid .big-quote { font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: var(--text-0); line-height: 1.4; }
.philosophy-list { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; }
.philosophy-list li { padding-left: 26px; position: relative; color: var(--text-1); font-size: 15px; }
.philosophy-list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue-400); box-shadow: 0 0 12px var(--blue-glow); }

.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 20px; }
@media (max-width: 700px) { .mv-grid { grid-template-columns: 1fr; } }
.mv-card { padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.mv-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--blue-300); }
.mv-card p { color: var(--text-2); font-size: 14px; line-height: 1.7; }

.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .testimonial-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .testimonial-grid { grid-template-columns: 1fr; } }

.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); overflow: hidden; }
.faq-item summary { padding: 18px 22px; cursor: pointer; font-weight: 600; color: var(--text-0); font-size: 14px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--blue-300); font-size: 18px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 20px; color: var(--text-2); font-size: 14px; line-height: 1.7; }

.tech-marquee { display: flex; flex-wrap: wrap; gap: 14px; }
.tech-tag { padding: 10px 20px; border-radius: var(--radius-pill); border: 1px solid var(--border-bright); font-size: 13px; color: var(--text-1); background: var(--surface); }

/* ---------------- Services page ---------------- */
.service-detail-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
@media (max-width: 900px) { .service-detail-hero { grid-template-columns: 1fr; } }
.service-detail-hero .service-icon { width: 68px; height: 68px; margin-bottom: 26px; }
.service-detail-media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); aspect-ratio: 4/3; background: var(--surface); }
.service-detail-media img { width: 100%; height: 100%; object-fit: cover; }

.feature-checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; margin-top: 30px; }
@media (max-width: 560px) { .feature-checklist { grid-template-columns: 1fr; } }
.feature-checklist li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-1); }
.feature-checklist li::before { content: "✓"; width: 22px; height: 22px; border-radius: 50%; background: rgba(47,107,255,.15); color: var(--blue-300); display: flex; align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0; }

/* ---------------- Products catalog ---------------- */
.catalog-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .catalog-layout { grid-template-columns: 1fr; } }

.filter-panel { position: sticky; top: 110px; padding: 26px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.filter-panel h4 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-2); margin-bottom: 16px; }
.filter-group { margin-bottom: 26px; }
.filter-group:last-child { margin-bottom: 0; }
.cat-list { display: flex; flex-direction: column; gap: 10px; }
.cat-list label { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-1); cursor: pointer; }
.cat-list input { accent-color: var(--blue-500); }

.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.catalog-count { font-size: 13px; color: var(--text-2); }
.search-input-wrap { position: relative; flex: 1; max-width: 320px; }
.sort-select {
  background: var(--surface); border: 1px solid var(--border-bright); color: var(--text-1);
  border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13px;
}

/* ---------------- Product detail ---------------- */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .product-detail-grid { grid-template-columns: 1fr; gap: 36px; } }

.pd-main-image { aspect-ratio: 1/1; overflow: hidden; transition: opacity 0.25s ease; }
.pd-main-image img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumbs { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.pd-thumb { width: 76px; height: 76px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border-bright); cursor: pointer; opacity: .6; transition: opacity 0.25s ease, border-color 0.25s ease; }
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumb.is-active, .pd-thumb:hover { opacity: 1; border-color: var(--blue-400); }

.pd-category { margin-bottom: 12px; }
.pd-title { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 14px; }
.pd-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; color: var(--text-2); font-size: 13px; }
.pd-rating .stars { color: #ffb347; letter-spacing: 2px; }

.pd-price-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 22px; }
.pd-price-row .price-current { font-size: 2rem; }
.pd-price-row .discount-badge { color: var(--blue-300); background: rgba(47,107,255,.12); padding: 4px 10px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; }

.pd-desc { color: var(--text-1); line-height: 1.75; margin-bottom: 26px; }

.pd-spec-grid { display: flex; gap: 32px; margin-bottom: 22px; flex-wrap: wrap; }
.pd-spec { display: flex; flex-direction: column; gap: 4px; }
.pd-spec span { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
.pd-spec strong { font-size: 14px; color: var(--text-0); font-weight: 600; }

.pd-sizes { margin-bottom: 30px; }
.pd-sizes-label { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.pd-size-pills { display: flex; flex-wrap: wrap; gap: 8px; }

.pd-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }

.pd-tabs-nav { display: flex; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 26px; }
.pd-tab-btn { padding: 12px 18px; font-size: 13px; color: var(--text-2); border-bottom: 2px solid transparent; }
.pd-tab-btn.is-active { color: var(--text-0); border-color: var(--blue-400); }

.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 1100px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .related-grid { grid-template-columns: 1fr; } }

/* ---------------- Gallery page ---------------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(4,6,10,.94);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 40px;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 90vw; max-height: 82vh; border-radius: var(--radius-md); box-shadow: var(--shadow-soft); }
.lightbox-caption { position: absolute; bottom: 34px; left: 0; right: 0; text-align: center; color: var(--text-1); font-size: 13px; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(255,255,255,.06); border: 1px solid var(--border-bright);
  color: #fff; width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(47,107,255,.2); border-color: var(--blue-400); }
.lightbox-close { top: 28px; right: 28px; }
.lightbox-prev { left: 28px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 28px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) { .lightbox-prev, .lightbox-next { display: none; } }

/* ---------------- Contact page ---------------- */
.contact-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }

.contact-info-card { padding: 36px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: linear-gradient(160deg, var(--blue-glow-soft), #fff 55%); box-shadow: var(--shadow-card); }
.contact-info-row { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-info-row:last-of-type { border-bottom: none; }
.contact-info-icon { width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; background: #fff; box-shadow: var(--shadow-card); color: var(--blue-500); display: flex; align-items: center; justify-content: center; }
.contact-info-row h4 { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 4px; }
.contact-info-row p, .contact-info-row a { font-size: 15px; color: var(--text-0); }

.contact-form-card { padding: 40px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 560px) { .form-row-2 { grid-template-columns: 1fr; } }