/* =========================================
   PRODUCT DETAIL PAGE — product-page.css
   Shared styles for all product sub-pages
========================================= */

/* ── Base overrides for detail pages ── */
.product-detail-page {
  background: var(--bg-dark);
  color: var(--text-primary);
}

/* ── Detail Nav (top bar) ── */
.detail-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(10,10,20,0.88);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
}
.detail-nav-back {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600; color: var(--text-secondary);
  padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  white-space: nowrap;
}
.detail-nav-back:hover {
  color: var(--text-primary); background: rgba(255,255,255,0.06);
  border-color: var(--primary);
}
.detail-nav-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.75rem; color: var(--text-muted);
}
.detail-nav-breadcrumb a { color: var(--text-muted); transition: color 0.15s; }
.detail-nav-breadcrumb a:hover { color: var(--primary); }
.detail-nav-breadcrumb i { font-size: 0.55rem; opacity: 0.5; }
.detail-nav-breadcrumb span { color: var(--text-primary); font-weight: 500; }
.btn-sm {
  padding: 7px 16px !important; font-size: 0.76rem !important;
}

/* ── Product Hero ── */
.pd-hero {
  position: relative; min-height: 96vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 60px; /* detail-nav height */
}
.pd-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.04);
  transition: transform 6s ease;
}
.pd-hero:hover .pd-hero-bg { transform: scale(1); }
.pd-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10,10,20,0.92) 0%,
    rgba(10,10,20,0.7) 50%,
    rgba(10,10,20,0.4) 100%
  );
}
.pd-hero-content {
  position: relative; z-index: 2;
  max-width: 680px;
  padding: 80px 24px 100px;
}
.pd-badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.pd-badge {
  padding: 5px 14px; border-radius: 100px; font-size: 0.7rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
}
.pd-badge.available {
  background: rgba(52,211,153,0.12); color: #34d399;
  border: 1px solid rgba(52,211,153,0.25);
}
.pd-badge.flagship {
  background: var(--gradient); color: #fff;
}
.pd-hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800; line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.pd-hero-sub {
  font-size: 1.05rem; color: var(--accent);
  font-weight: 500; margin-bottom: 16px;
}
.pd-hero-desc {
  font-size: 1rem; color: var(--text-secondary);
  line-height: 1.7; max-width: 560px; margin-bottom: 32px;
}
.pd-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.pd-hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.3); font-size: 1.1rem; z-index: 2;
  animation: bounceY 2s ease-in-out infinite;
}
@keyframes bounceY {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ── Stats Row ── */
.pd-stats {
  background: var(--bg-card2);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 32px 0;
}
.pd-stats-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0;
}
@media (max-width: 1024px) { .pd-stats-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .pd-stats-grid { grid-template-columns: repeat(2, 1fr); } }
.pd-stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 20px 16px; text-align: center;
  border-right: 1px solid var(--border-light);
  transition: background 0.2s;
}
.pd-stat:last-child { border-right: none; }
.pd-stat:hover { background: rgba(99,102,241,0.05); }
.pd-stat-val {
  font-size: 1.6rem; font-weight: 800;
  font-family: 'Space Grotesk', sans-serif; line-height: 1;
  margin-bottom: 6px;
}
.pd-stat-key { font-size: 0.7rem; color: var(--text-muted); font-weight: 500; }

/* ── Content Sections ── */
.pd-section { padding: 96px 0; }
.pd-section-dark { background: var(--bg-card2); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.pd-section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.2; margin: 12px 0 20px; color: var(--text-primary); }

/* Two-column layout */
.pd-two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
@media (max-width: 900px) { .pd-two-col { grid-template-columns: 1fr; gap: 40px; } }
.pd-text-col { display: flex; flex-direction: column; gap: 16px; }
.pd-text-col p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.75; }
.pd-img-col { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.pd-feature-img { width: 100%; display: block; }
.pd-highlight-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.pd-highlight {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.85rem; color: var(--text-secondary);
}
.pd-highlight i { color: #34d399; margin-top: 2px; flex-shrink: 0; }

/* Features Grid */
.pd-feat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px;
}
@media (max-width: 1024px) { .pd-feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .pd-feat-grid { grid-template-columns: 1fr; } }
.pd-feat-card {
  background: var(--bg-dark); border: 1px solid var(--border-light);
  border-radius: 14px; padding: 24px;
  transition: var(--transition);
}
.pd-feat-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(99,102,241,0.12); }
.pd-feat-icon {
  width: 44px; height: 44px; border-radius: 10px; margin-bottom: 14px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  display: flex; align-items: center; justify-content: center;
}
.pd-feat-icon i {
  font-size: 1.1rem;
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.pd-feat-card h4 { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.pd-feat-card p  { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.65; }

/* Spec Table */
.pd-spec-table-wrap {
  overflow-x: auto; border-radius: 14px;
  border: 1px solid var(--border-light); margin-top: 40px;
}
.pd-spec-table {
  width: 100%; border-collapse: collapse;
}
.pd-spec-table td, .pd-spec-table th {
  padding: 12px 20px; text-align: left; border-bottom: 1px solid var(--border-light);
  font-size: 0.82rem;
}
.pd-spec-table tr:last-child td { border-bottom: none; }
.pd-spec-table td:first-child { color: var(--text-muted); width: 38%; }
.pd-spec-table td:last-child  { color: var(--text-primary); font-weight: 500; }
.pd-spec-table .spec-group {
  background: rgba(99,102,241,0.07);
  font-size: 0.68rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--primary);
  padding: 10px 20px;
}
.pd-spec-table tr:hover td { background: rgba(255,255,255,0.02); }

/* CTA Section */
.pd-cta {
  padding: 100px 0; text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(99,102,241,0.12) 0%, transparent 70%), var(--bg-dark);
}
.pd-cta h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; margin-bottom: 14px;
  color: var(--text-primary);
}
.pd-cta p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 36px; }
.pd-cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-lg { padding: 16px 36px !important; font-size: 0.9rem !important; }

/* Footer strip */
.pd-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px; border-top: 1px solid var(--border-light);
  font-size: 0.74rem; color: var(--text-muted);
  flex-wrap: wrap; gap: 8px;
}
.pd-footer a { color: var(--primary); }
.pd-footer a:hover { text-decoration: underline; }

/* ── Case Studies / Deployments ── */
.pd-cases-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; margin-top: 48px;
}
.pd-case-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: 16px; overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.pd-case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.4);
}
.pd-case-img {
  width: 100%; height: 180px; object-fit: cover;
  display: block;
}
.pd-case-body { padding: 20px 24px 24px; }
.pd-case-tag {
  display: inline-block;
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--primary);
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.25);
  border-radius: 4px; padding: 3px 8px; margin-bottom: 10px;
}
.pd-case-body h4 {
  font-size: 0.95rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 8px;
}
.pd-case-body p {
  font-size: 0.82rem; color: var(--text-secondary); line-height: 1.55;
  margin-bottom: 14px;
}
.pd-case-metric {
  display: flex; gap: 20px; flex-wrap: wrap;
}
.pd-cm-item { display: flex; flex-direction: column; }
.pd-cm-val {
  font-size: 1.2rem; font-weight: 800;
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pd-cm-label { font-size: 0.68rem; color: var(--text-muted); margin-top: 2px; }

/* ── Pricing Block ── */
.pd-pricing-wrap {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.pd-price-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-light);
  border-radius: 16px; padding: 28px 24px;
  display: flex; flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}
.pd-price-card.featured {
  border-color: var(--primary);
  background: rgba(99,102,241,0.06);
}
.pd-price-card:hover { transform: translateY(-3px); }
.pd-price-tier {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 10px;
}
.pd-price-featured-badge {
  display: inline-block; font-size: 0.6rem; font-weight: 700;
  background: var(--gradient); color: #fff;
  border-radius: 4px; padding: 2px 7px; margin-left: 8px;
  vertical-align: middle;
}
.pd-price-amount {
  font-size: 1.75rem; font-weight: 800; color: var(--text-primary);
  margin-bottom: 4px; line-height: 1;
}
.pd-price-amount span { font-size: 0.85rem; font-weight: 400; color: var(--text-muted); }
.pd-price-note {
  font-size: 0.75rem; color: var(--text-muted); margin-bottom: 20px;
}
.pd-price-features {
  list-style: none; padding: 0; margin: 0 0 24px;
  flex: 1;
}
.pd-price-features li {
  font-size: 0.82rem; color: var(--text-secondary);
  padding: 6px 0; border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; gap: 8px;
}
.pd-price-features li:last-child { border-bottom: none; }
.pd-price-features li i {
  color: var(--primary); font-size: 0.65rem; flex-shrink: 0;
}

/* ── Mobile Responsive ── */
@media (max-width: 768px) {
  .detail-nav-breadcrumb { display: none; }
  .pd-hero-content { padding: 60px 20px 80px; }
  .pd-section { padding: 64px 0; }
  .pd-footer { justify-content: center; text-align: center; }
  .pd-cases-grid { grid-template-columns: 1fr; }
  .pd-pricing-wrap { grid-template-columns: 1fr; }
}