/* UKMA — PRODUCT STYLES */

.pdp-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 1024px) {
  .pdp-grid { grid-template-columns: 1fr 1fr; }
}

/* Carousel */
.carousel {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.carousel-main {
  position: relative;
  width: 100%;
  padding-top: 130%;
  /* padding-top trick: universal cross-browser aspect-ratio box.
     75% = 4:3 ratio on desktop. Overridden to 125% (4:5) on mobile. */
  overflow: hidden;
  background: linear-gradient(135deg, #0a1428, #0d1e3d);
}
@media (max-width: 768px) {
  .carousel-main {
    padding-top: 125%; /* 4:5 ratio — fits mobile screen perfectly */
  }
}
/* Each slide: absolute fill. display:none/block controlled by JS */
.carousel-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1.5rem;
  cursor: zoom-in;
  display: none; /* JS sets first to display:block */
}

.carousel-thumbs {
  display: flex;
  gap: .5rem;
  padding: .75rem;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.carousel-thumb {
  flex-shrink: 0;
  width: 72px; height: 54px;
  border: 2px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--t-fast);
  background: var(--bg-card);
}
.carousel-thumb img { width: 100%; height: 100%; object-fit: contain; padding: .25rem; }
.carousel-thumb.active, .carousel-thumb:hover { border-color: var(--blue); }

.carousel-nav {
  position: absolute;
  top: 50%; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 .75rem;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 3;
}
.carousel-btn {
  pointer-events: all;
  width: 40px; height: 40px;
  background: rgba(5,8,16,0.8);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), border-color var(--t-fast);
  font-size: 1.1rem;
}
.carousel-btn:hover { background: var(--blue); border-color: var(--blue); }

/* PDP info */
.pdp-info { display: flex; flex-direction: column; gap: 1.5rem; }
.pdp-name {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
}
.pdp-subtitle { font-size: 1rem; color: var(--text-secondary); margin-top: .3rem; }

/* Specs grid */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}
@media (min-width: 480px) { .specs-grid { grid-template-columns: repeat(3, 1fr); } }

.spec-item {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem;
  transition: border-color var(--t-fast);
}
.spec-item:hover { border-color: var(--border-bright); }
.spec-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}
.spec-key {
  font-family: var(--font-mono);
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-secondary);
  margin-top: .2rem;
}

/* Battery selector */
.battery-selector { background: var(--bg-section); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.25rem; }
.battery-label { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-secondary); margin-bottom: .75rem; }
.battery-options { display: flex; gap: .75rem; flex-wrap: wrap; }
.battery-option {
  flex: 1;
  min-width: 120px;
  padding: .85rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--t-med) var(--ease-out);
  background: var(--bg-card);
}
.battery-option.selected {
  border-color: var(--blue);
  background: rgba(0,163,255,0.07);
  box-shadow: 0 0 20px rgba(0,163,255,0.12);
}
.battery-option-name {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: .95rem;
}
.battery-option-desc { font-size: .8rem; color: var(--text-secondary); margin-top: .2rem; }
.battery-option-price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue);
  margin-top: .4rem;
}

/* Price display */
.pdp-price-block { display: flex; align-items: baseline; gap: .75rem; }
.pdp-price-main {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  transition: color var(--t-med);
}
.pdp-price-currency { font-size: 1.5rem; color: var(--text-secondary); }
.pdp-price-old { font-family: var(--font-mono); font-size: .9rem; color: var(--text-muted); text-decoration: line-through; }

/* Order form in PDP */
.order-form { background: var(--bg-section); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
.form-row { display: grid; gap: .75rem; }
@media (min-width: 480px) { .form-row.two-col { grid-template-columns: 1fr 1fr; } }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-label { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-secondary); }
.form-input {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  color: var(--text-primary);
  font-size: .95rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
  width: 100%;
}
.form-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow); }
.form-input::placeholder { color: var(--text-muted); }