/* Product detail page styles — extends styles.css */

/* Back link + crumb in nav */
.pp-back {
  display: none;
  align-items: center;
  gap: 14px;
}
@media (min-width: 1100px) { .pp-back { display: flex; } }
.pp-back-link {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
  transition: color var(--dur-fast) var(--ease-mech);
}
.pp-back-link:hover { color: var(--fg); }
.pp-crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-faint);
  letter-spacing: var(--ls-caption);
}
.pp-crumb .on { color: var(--accent); }

/* Hero */
.pp-hero {
  position: relative;
  padding: 128px 0 64px;
}
.pp-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none; opacity: 0.5;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0));
}
.pp-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}
@media (min-width: 880px) { .pp-hero-grid { grid-template-columns: 1fr 1fr; gap: var(--space-7); } }

.pp-hero-info { display: flex; flex-direction: column; gap: var(--space-5); }
.pp-hero-eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--ls-caption);
  color: var(--fg-muted);
}
.pp-hero-eyebrow .num { color: var(--accent); }
.pp-hero-eyebrow .sep { color: var(--color-ink-5); }
.pp-hero-name {
  font-family: var(--font-display);
  font-size: clamp(38px, 6.4vw, 96px);
  line-height: 0.95;
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  margin: 0;
  text-wrap: balance;
}
.pp-hero-tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 48ch;
  margin: 0;
}
.pp-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.pp-hero-stats > div {
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.pp-hero-stats .k {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 10px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg-faint);
}
.pp-hero-stats .v {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg);
  font-weight: 700;
  margin-top: 4px;
}
.pp-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--space-4); }

.pp-hero-photo {
  position: relative;
  aspect-ratio: 1/1;
  background: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  user-select: none;
  cursor: grab;
}
.pp-hero-photo img {
  width: 88%; height: 88%;
  object-fit: contain;
  pointer-events: none;
}
.pp-hero-photo-frame {
  position: absolute; inset: 12px; pointer-events: none;
}
.pp-hero-photo-label {
  position: absolute; top: 12px; left: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-gray);
  letter-spacing: var(--ls-caption);
  background: rgba(255,255,255,0.85);
  padding: 2px 6px;
}
.pp-hero-thumbs {
  position: absolute; bottom: 10px; left: 10px; right: 10px;
  display: flex; gap: 6px; flex-wrap: wrap; justify-content: center;
  background: rgba(255,255,255,0.7);
  padding: 6px;
}
.pp-thumb {
  width: 32px; height: 32px;
  background: var(--color-white);
  border: 1px solid #C9CBCE;
  padding: 2px;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-mech);
}
.pp-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pp-thumb:hover { border-color: var(--color-tan-700); }
.pp-thumb.on { border-color: var(--accent); border-width: 2px; }

/* Lede */
.pp-lede {
  padding: var(--space-8) 0;
  background: var(--color-ink-1);
}
.pp-lede p {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
  color: var(--fg);
  max-width: 70ch;
  margin: var(--space-4) 0 0;
  text-wrap: pretty;
}

/* Features */
.pp-features { padding: var(--space-9) 0; }
.pp-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}
@media (min-width: 700px) { .pp-feature-grid { grid-template-columns: repeat(2, 1fr); } }
.pp-feature {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: var(--space-3);
}
@media (min-width: 700px) {
  .pp-feature:nth-child(2n) { border-right: 0; }
}
@media (max-width: 699px) {
  .pp-feature { border-right: 0; }
}
.pp-feature-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: var(--ls-caption);
}
.pp-feature-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.2;
  margin: 0;
}
.pp-feature-body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}

/* Related */
.pp-related { padding: var(--space-9) 0; background: var(--color-ink-1); }
.pp-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 700px) { .pp-related-grid { grid-template-columns: repeat(2, 1fr); } }
.pp-related-card {
  display: flex; flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-ink-9);
  color: var(--color-black);
  transition: transform var(--dur-base) var(--ease-mech);
}
.pp-related-card:hover { transform: translateY(-2px); }
.pp-related-photo {
  padding: var(--space-6);
  display: flex; align-items: center; justify-content: center;
  min-height: 220px;
}
.pp-related-photo img {
  max-width: 100%; max-height: 200px; object-fit: contain;
}
.pp-related-foot {
  border-top: 1px solid #E1E2E4;
  padding: var(--space-4) var(--space-5);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}
.pp-related-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-caption);
  color: var(--color-gray);
}
.pp-related-name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  line-height: 1;
}
.pp-related-arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--color-black);
}

/* Product specs (sectioned) */
.pp-specs { padding: var(--space-9) 0; }
.pp-spec-stack {
  display: flex; flex-direction: column;
  gap: var(--space-6);
}
.pp-spec-section {
  border: 1px solid var(--border);
  background: var(--color-black);
}
.pp-spec-section-head {
  display: flex; align-items: baseline; gap: 14px;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--color-ink-2);
}
.pp-spec-section-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: var(--ls-caption);
}
.pp-spec-section-title {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg);
}

/* Radiation patterns */
.pp-patterns { padding: var(--space-9) 0; }
.pp-pattern-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 720px) { .pp-pattern-grid { grid-template-columns: repeat(2, 1fr); } }
.pp-pattern {
  margin: 0;
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  background: var(--color-ink-1);
}
.pp-pattern-frame {
  position: relative;
  background: var(--color-white);
  padding: var(--space-5);
  display: flex; align-items: center; justify-content: center;
  min-height: 280px;
}
.pp-pattern-frame img {
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
}
.pp-pattern-code {
  position: absolute; top: 12px; left: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--color-tan-700);
  letter-spacing: var(--ls-caption);
}
.pp-pattern-caption {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column;
  gap: 4px;
}
.pp-pattern-caption-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  color: var(--fg);
}
.pp-pattern-caption-body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-muted);
}