/* ============================================================
   Titan DigiStack — components.css
   Buttons, badges, cards, tabs, search, offer cards, forms
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform var(--transition-speed), background var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent-primary), #0099ff);
  color: #08121f;
  box-shadow: 0 6px 20px rgba(0, 200, 255, 0.25);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #20d4ff, var(--color-accent-hover));
  box-shadow: 0 8px 26px rgba(0, 200, 255, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.btn--block { width: 100%; }
.btn--sm { padding: 8px 14px; font-size: 0.85rem; }

/* ---------- Icon button ---------- */
.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--border-radius-md);
  color: var(--color-text-secondary);
  position: relative;
  transition: color var(--transition-speed), background var(--transition-speed);
}
.icon-btn:hover { color: var(--color-accent-primary); background: rgba(0, 200, 255, 0.08); }
.icon-btn svg { width: 22px; height: 22px; }

.cart-btn .cart-badge {
  position: absolute;
  top: 4px; right: 4px;
  background: var(--color-accent-primary);
  color: #08121f;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
  line-height: 1;
  transition: transform var(--transition-speed);
}
.cart-btn .cart-badge.is-bumped { transform: scale(1.25); }

/* ---------- Search ---------- */
.search {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px 6px 12px;
  max-width: 560px;
  width: 100%;
  margin-inline: auto;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.search:focus-within {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 4px rgba(0, 200, 255, 0.12);
}
.search__icon { width: 18px; height: 18px; color: var(--color-text-muted); flex: none; }
.search input {
  border: 0; background: transparent; outline: 0;
  padding: 8px 10px;
  width: 100%;
  color: var(--color-text-primary);
}
.search input::placeholder { color: var(--color-text-muted); }
.search__results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  max-height: 360px;
  overflow-y: auto;
  box-shadow: var(--shadow-elev);
  z-index: 60;
}
.search__results li {
  padding: 0;
}
.search__results a {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(45, 55, 72, 0.5);
  color: var(--color-text-primary);
  font-size: 0.92rem;
}
.search__results a:hover,
.search__results li.is-active a {
  background: rgba(0, 200, 255, 0.1);
  color: var(--color-accent-primary);
}
.search__results .res-cat {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}
.search__empty {
  padding: 14px;
  color: var(--color-text-muted);
  text-align: center;
  font-size: 0.9rem;
}

/* ---------- Hero offer cards ---------- */
.offer-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 18px;
  position: relative;
  transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.offer-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 200, 255, 0.45);
  box-shadow: var(--shadow-card);
}
.offer-card--featured {
  background: linear-gradient(135deg, rgba(0, 200, 255, 0.18), rgba(0, 102, 255, 0.10));
  border-color: rgba(0, 200, 255, 0.4);
}
.offer-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(0, 200, 255, 0.15);
  color: var(--color-accent-primary);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.offer-card h3 { margin-bottom: 4px; }
.offer-card p { color: var(--color-text-secondary); font-size: 0.9rem; margin-bottom: 8px; }
.offer-card__price {
  font-family: var(--font-display);
  color: var(--color-price);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ---------- Category pill tabs ---------- */
.cat-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.92rem;
  white-space: nowrap;
  transition: color var(--transition-speed), background var(--transition-speed), border-color var(--transition-speed), transform var(--transition-speed);
}
.cat-tab:hover {
  color: var(--color-accent-primary);
  border-color: rgba(0, 200, 255, 0.4);
}
.cat-tab.is-active {
  color: #08121f;
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

/* ---------- Product card ---------- */
.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed), opacity var(--transition-speed);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 200, 255, 0.45);
  box-shadow: var(--shadow-card);
}
.product-card.is-dimmed { opacity: 0.35; }
.product-card.is-hidden { display: none !important; }

.card-image {
  position: relative;
  width: 100%;
  /* Lock the visual ratio of 240x290 = 24:29 → padding-top 120.83% */
  aspect-ratio: 240 / 290;
  background: linear-gradient(135deg, #1a2236, #0f1626);
  overflow: hidden;
}
.card-image img,
.card-image svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Real-product photo overlays the gradient placeholder.
   If the image fails to load, JS removes it and the placeholder shows. */
.card-image__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
  z-index: 1;
  transition: transform 0.4s ease;
}
.product-card:hover .card-image__photo { transform: scale(1.04); }
.card-image__photo--contain {
  object-fit: contain;
  padding: 18px;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(0, 200, 255, 0.18), transparent 60%),
    linear-gradient(135deg, #1a2236, #0f1626);
}
.card-image .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  padding: 20px;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(0, 200, 255, 0.25), transparent 60%),
    linear-gradient(135deg, var(--ph-a, #1a2236), var(--ph-b, #0f1626));
}

.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-badge-new);
  color: #1a1306;
}
.badge--sale  { background: var(--color-badge-sale); color: #2a0708; }
.badge--free  { background: var(--color-price); color: #062013; }
.badge--call  { background: var(--color-accent-primary); color: #08121f; }

.card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.card-cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 600;
}
.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text-primary);
  /* Clamp to 2 lines for consistent height */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  min-height: 2.7em;
}
.card-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-price);
}
.card-price.call-price {
  color: var(--color-accent-primary);
  font-size: 0.92rem;
}
.card-actions { margin-top: auto; }

.btn-cart {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--border-radius-md);
  background: rgba(0, 200, 255, 0.12);
  color: var(--color-accent-primary);
  border: 1px solid rgba(0, 200, 255, 0.3);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.btn-cart:hover {
  background: var(--color-accent-primary);
  color: #08121f;
}
.btn-cart.call {
  background: rgba(72, 187, 120, 0.10);
  color: #6ee7a4;
  border-color: rgba(72, 187, 120, 0.35);
}
.btn-cart.call:hover { background: var(--color-price); color: #062013; }
.btn-cart.is-added {
  background: var(--color-price);
  color: #062013;
  border-color: var(--color-price);
}


/* ============================================================
   Sub-page components: shop layout, cart table, contact / docs
   ============================================================ */

/* ---------- Page hero (smaller than home hero) ---------- */
.page-hero {
  padding-block: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(800px 300px at 90% 10%, rgba(0, 200, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #0d1117, #0b1224 100%);
  border-bottom: 1px solid var(--color-border);
}
.page-hero h1 { margin-bottom: 0.4rem; }
.page-hero .breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
}
.page-hero .breadcrumb a { color: var(--color-text-secondary); }
.page-hero .breadcrumb a:hover { color: var(--color-accent-primary); }

/* ---------- Shop layout ---------- */
.shop {
  padding-block: clamp(40px, 6vw, 72px);
}
.shop__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .shop__inner { grid-template-columns: 280px 1fr; gap: 2rem; }
}

.shop-filters {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 32px);
  overflow-y: auto;
}
.shop-filters h3 { margin-bottom: 12px; }
.filter-group { margin-bottom: 22px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.filter-list { display: grid; gap: 6px; }
.filter-list label {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.filter-list label:hover { background: rgba(0, 200, 255, 0.06); color: var(--color-text-primary); }
.filter-list input[type="radio"],
.filter-list input[type="checkbox"] { accent-color: var(--color-accent-primary); }
.filter-list .count { margin-left: auto; color: var(--color-text-muted); font-size: 0.8rem; }

.range-row {
  display: grid; gap: 10px;
}
.range-row .range-values {
  display: flex; justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}
.range-row input[type="range"] {
  width: 100%;
  accent-color: var(--color-accent-primary);
}

.shop-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.shop-toolbar p { margin: 0; font-size: 0.92rem; color: var(--color-text-secondary); }
.shop-toolbar select {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 10px 14px;
  border-radius: var(--border-radius-md);
}

.shop-empty {
  background: var(--color-bg-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-secondary);
}

/* ---------- Cart page ---------- */
.cart-page { padding-block: clamp(40px, 6vw, 72px); }
.cart-page__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .cart-page__inner { grid-template-columns: 1fr 360px; gap: 2rem; }
}

.cart-list {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}
.cart-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}
.cart-row:last-child { border-bottom: 0; }
.cart-row__img {
  width: 64px; height: 64px;
  border-radius: var(--border-radius-md);
  background: linear-gradient(135deg, #1a2236, #0f1626);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: rgba(255,255,255,0.85);
  overflow: hidden;
}
.cart-row__img img {
  width: 100%; height: 100%; object-fit: cover;
}
.cart-row__title { font-weight: 600; color: var(--color-text-primary); }
.cart-row__cat   { font-size: 0.78rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.cart-row__qty {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 6px;
}
.qty-btn {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-weight: 700;
}
.qty-btn:hover { color: var(--color-accent-primary); border-color: var(--color-accent-primary); }
.qty-input {
  width: 44px;
  text-align: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: 6px;
  padding: 4px 0;
  font-variant-numeric: tabular-nums;
}
.cart-row__price {
  text-align: right;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-price);
  font-variant-numeric: tabular-nums;
}
.cart-row__remove {
  display: block;
  margin-top: 4px;
  background: none;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: right;
  width: 100%;
}
.cart-row__remove:hover { color: var(--color-badge-sale); }

.cart-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-secondary);
}
.cart-empty h3 { margin-bottom: 6px; }

.cart-summary {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 16px);
}
.cart-summary h3 { margin-bottom: 12px; }
.cart-summary dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  margin: 0 0 16px;
  font-size: 0.95rem;
}
.cart-summary dt { color: var(--color-text-secondary); }
.cart-summary dd { margin: 0; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.cart-summary .cart-total {
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  font-size: 1.05rem;
  font-weight: 700;
}
.cart-summary .cart-total dd { color: var(--color-accent-primary); }
.cart-summary__actions {
  display: grid; gap: 10px; margin-top: 4px;
}

/* ---------- Contact page ---------- */
.contact { padding-block: clamp(40px, 6vw, 72px); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 1024px) {
  .contact__grid { grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
}
.contact-form {
  display: grid;
  gap: 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}
.field { display: grid; gap: 6px; }
.field label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.field input,
.field textarea,
.field select {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  padding: 12px 14px;
  width: 100%;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 4px rgba(0, 200, 255, 0.12);
  outline: none;
}
.field textarea { min-height: 120px; resize: vertical; }
.contact-info {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}
.contact-info h3 { margin-bottom: 8px; }
.contact-info ul { display: grid; gap: 10px; margin-bottom: 18px; color: var(--color-text-secondary); }
.contact-info ul a { color: var(--color-text-primary); }
.contact-info ul a:hover { color: var(--color-accent-primary); }
.form-status { font-size: 0.9rem; min-height: 1.4em; color: var(--color-price); }

/* Long-form policy sections */
.doc-section {
  padding-block: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--color-border);
}
.doc-section h2 { margin-bottom: 0.8rem; }
.doc-section h3 { margin: 1.4rem 0 0.4rem; color: var(--color-text-primary); }
.doc-section p,
.doc-section li {
  color: var(--color-text-secondary);
  max-width: 72ch;
}
.doc-section ul {
  list-style: disc;
  padding-left: 22px;
  margin: 0.4rem 0 0.8rem;
}
.doc-section ul li { margin-bottom: 6px; }