/* ===== Product Page Styles ===== */
.pd-hero {
  margin-top: 70px;
  padding: 60px 0 48px;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f0ff 100%);
  border-bottom: 1px solid #eef0f6;
}
.pd-hero-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; gap: 48px; align-items: center; }
.pd-hero-text { flex: 1; }
.pd-hero-content { flex: 1; }
.pd-breadcrumb { font-size: 13px; color: #50627f; margin-bottom: 16px; }
.pd-breadcrumb a { color: #3860f4; }
.pd-breadcrumb span { margin: 0 6px; color: #a1a1a1; }
.pd-breadcrumb .separator { margin: 0 6px; color: #a1a1a1; }
.pd-breadcrumb .current { color: #50627f; }
.pd-hero h1, .pd-hero-title { font-size: 36px; font-weight: 700; color: #1D273F; margin-bottom: 12px; }
.pd-hero-desc { font-size: 17px; color: #50627f; line-height: 1.7; margin-bottom: 28px; }
.pd-hero-actions { display: flex; gap: 16px; }
.pd-hero-tag, .pd-hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; background: rgba(56,96,244,0.1); color: #3860f4; margin-bottom: 20px; }
.pd-hero-visual { width: 400px; height: 260px; border-radius: 18px; flex-shrink: 0; }

/* Hero stats */
.pd-hero-stats { display: flex; gap: 32px; margin-bottom: 28px; }
.pd-hero-stat { display: flex; flex-direction: column; }
.pd-hero-stat .stat-value { font-size: 28px; font-weight: 800; color: #3860f4; }
.pd-hero-stat .stat-label { font-size: 13px; color: #50627f; }

.pd-section { padding: 64px 0; }
.pd-section-gray { background: #f5f5f5; }
.pd-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.pd-section-title { font-size: 28px; font-weight: 700; color: #1D273F; text-align: center; margin-bottom: 8px; }
.pd-section-sub { font-size: 15px; color: #50627f; text-align: center; margin-bottom: 48px; }

/* Section header (new style) */
.pd-section-header { text-align: center; margin-bottom: 48px; }
.pd-section-tag { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 500; background: rgba(56,96,244,0.1); color: #3860f4; margin-bottom: 12px; }
.pd-section-subtitle { font-size: 15px; color: #50627f; text-align: center; }

/* Feature cards */
.pd-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-feature-card { background: #fff; border: 1px solid #eef0f6; border-radius: 14px; padding: 32px 28px; transition: all 0.3s; }
.pd-feature-card:hover { border-color: #3860f4; box-shadow: 0 4px 24px rgba(56,96,244,0.1); transform: translateY(-4px); }
.pd-fc-icon { width: 48px; height: 48px; border-radius: 10px; margin-bottom: 16px; }
.pd-feature-icon { width: 48px; height: 48px; border-radius: 10px; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; background: rgba(56,96,244,0.1); color: #3860f4; }
.pd-feature-icon svg { width: 24px; height: 24px; }
.pd-feature-card h3 { font-size: 18px; font-weight: 600; color: #1D273F; margin-bottom: 8px; }
.pd-feature-card p { font-size: 14px; color: #50627f; line-height: 1.7; }

/* Specs table */
.pd-specs-table-wrap { overflow-x: auto; }
.pd-specs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.pd-specs-table th { background: #f5f5f5; padding: 14px 20px; font-size: 14px; font-weight: 600; color: #1D273F; text-align: left; border-bottom: 1px solid #eef0f6; }
.pd-specs-table td { padding: 14px 20px; font-size: 14px; color: #404040; border-bottom: 1px solid #eef0f6; }
.pd-specs-table tr:last-child td { border-bottom: none; }
.pd-specs-table tr:hover td { background: #fafafa; }

/* Pricing */
.pd-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-price-card, .pd-pricing-card { background: #fff; border: 1px solid #eef0f6; border-radius: 18px; padding: 36px 28px; transition: all 0.3s; position: relative; }
.pd-price-card:hover, .pd-pricing-card:hover { border-color: #3860f4; box-shadow: 0 8px 40px rgba(56,96,244,0.15); transform: translateY(-4px); }
.pd-price-card.popular, .pd-pricing-featured { border-color: #3860f4; border-width: 2px; }
.pd-price-tag, .pd-pricing-badge { position: absolute; top: -12px; right: 24px; padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #3860f4; color: #fff; }
.pd-price-card h3, .pd-pricing-header h3 { font-size: 18px; font-weight: 700; color: #1D273F; margin-bottom: 8px; }
.pd-price-desc, .pd-pricing-desc { font-size: 14px; color: #50627f; margin-bottom: 20px; }
.pd-price-num { font-size: 36px; font-weight: 800; color: #3860f4; margin-bottom: 4px; }
.pd-price-unit { font-size: 14px; color: #50627f; margin-bottom: 24px; }
.pd-pricing-price { margin-bottom: 24px; }
.pd-pricing-price .price-currency { font-size: 18px; font-weight: 600; color: #3860f4; }
.pd-pricing-price .price-amount { font-size: 36px; font-weight: 800; color: #3860f4; }
.pd-pricing-price .price-period { font-size: 14px; color: #50627f; }
.pd-price-features, .pd-pricing-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.pd-price-features li, .pd-pricing-features li { display: flex; align-items: start; gap: 8px; font-size: 14px; color: #404040; list-style: none; }
.pd-price-features li::before, .pd-pricing-features li::before { content: ''; width: 16px; height: 16px; border-radius: 50%; background: rgba(56,96,244,0.1); flex-shrink: 0; margin-top: 3px; position: relative; }
.pd-price-features li::after, .pd-pricing-features li::after { content: ''; position: absolute; left: 4px; top: 7px; width: 8px; height: 4px; border-left: 2px solid #3860f4; border-bottom: 2px solid #3860f4; transform: rotate(-45deg); }

.pd-price-btn, .btn-pricing { display: block; width: 100%; padding: 12px; border-radius: 8px; font-size: 15px; font-weight: 500; text-align: center; transition: all 0.3s; }
.pd-price-btn.primary, .btn-pricing { background: #3860f4; color: #fff; }
.pd-price-btn.primary:hover, .btn-pricing:hover { background: #2950d4; }
.pd-price-btn.outline { border: 1px solid #eef0f6; color: #3860f4; }
.pd-price-btn.outline:hover { border-color: #3860f4; background: rgba(56,96,244,0.05); }
.pd-pricing-note { font-size: 13px; color: #50627f; text-align: center; margin-top: 20px; }

/* Use cases */
.pd-usecases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pd-usecases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pd-uc-card, .pd-usecase-card { background: #fff; border: 1px solid #eef0f6; border-radius: 14px; padding: 28px; display: flex; gap: 20px; align-items: start; transition: all 0.3s; }
.pd-uc-card:hover, .pd-usecase-card:hover { border-color: #3860f4; box-shadow: 0 4px 24px rgba(56,96,244,0.08); }
.pd-uc-icon { width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0; }
.pd-uc-card h3, .pd-usecase-card h3 { font-size: 16px; font-weight: 600; color: #1D273F; margin-bottom: 6px; }
.pd-uc-card p, .pd-usecase-card p { font-size: 14px; color: #50627f; line-height: 1.6; }
.pd-usecase-num { font-size: 32px; font-weight: 800; color: rgba(56,96,244,0.2); flex-shrink: 0; }

/* FAQ */
.pd-faq-list { display: flex; flex-direction: column; gap: 16px; }
.pd-faq-item { background: #fff; border: 1px solid #eef0f6; border-radius: 12px; overflow: hidden; }
.pd-faq-q { padding: 20px 28px; font-size: 15px; font-weight: 600; color: #1D273F; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: all 0.2s; }
.pd-faq-q:hover { background: #fafafa; }
.pd-faq-q .arrow { width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid #50627f; transition: transform 0.3s; }
.pd-faq-q-text { flex: 1; }
.pd-faq-toggle { font-size: 20px; color: #3860f4; transition: transform 0.3s; }
.pd-faq-item.open .arrow { transform: rotate(180deg); }
.pd-faq-item.open .pd-faq-toggle { transform: rotate(45deg); }
.pd-faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.pd-faq-item.open .pd-faq-a { max-height: 500px; }
.pd-faq-a-inner { padding: 0 28px 20px; font-size: 14px; color: #50627f; line-height: 1.7; }
.pd-faq-a p { padding: 0 28px 20px; font-size: 14px; color: #50627f; line-height: 1.7; }

/* CTA section */
.pd-cta { padding: 56px 0; background: linear-gradient(135deg, #1a1f3a, #2d3561); text-align: center; }
.pd-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.pd-cta-content { flex: 1; text-align: left; }
.pd-cta h2 { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.pd-cta p { font-size: 16px; color: rgba(255,255,255,0.7); margin-bottom: 28px; }
.pd-cta-actions { display: flex; gap: 16px; justify-content: center; }
.pd-cta-btn { padding: 12px 32px; border-radius: 10px; font-size: 15px; font-weight: 500; transition: all 0.3s; }
.pd-cta-btn.primary { background: #3860f4; color: #fff; }
.pd-cta-btn.primary:hover { background: #2950d4; transform: translateY(-2px); }
.pd-cta-btn.outline { border: 1px solid rgba(255,255,255,0.4); color: #fff; }
.pd-cta-btn.outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* Large buttons (new style) */
.btn-primary-lg { display: inline-block; padding: 12px 32px; border-radius: 10px; font-size: 15px; font-weight: 500; background: #3860f4; color: #fff; transition: all 0.3s; }
.btn-primary-lg:hover { background: #2950d4; transform: translateY(-2px); }
.btn-ghost-lg { display: inline-block; padding: 12px 32px; border-radius: 10px; font-size: 15px; font-weight: 500; border: 1px solid rgba(56,96,244,0.3); color: #3860f4; transition: all 0.3s; }
.btn-ghost-lg:hover { border-color: #3860f4; background: rgba(56,96,244,0.05); }

/* Related products */
.pd-related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pd-related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pd-related-card { background: #fff; border: 1px solid #eef0f6; border-radius: 12px; padding: 20px; text-align: center; transition: all 0.3s; display: block; text-decoration: none; }
.pd-related-card:hover { border-color: #3860f4; box-shadow: 0 4px 16px rgba(56,96,244,0.08); transform: translateY(-2px); }
.pd-related-card .rc-icon, .pd-related-icon { width: 40px; height: 40px; border-radius: 8px; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center; background: rgba(56,96,244,0.1); color: #3860f4; }
.pd-related-icon svg { width: 20px; height: 20px; }
.pd-related-card h4, .pd-related-card h3 { font-size: 15px; font-weight: 600; color: #1D273F; margin-bottom: 4px; }
.pd-related-card p { font-size: 12px; color: #50627f; }

/* Architecture diagram */
.pd-arch { background: #fff; border: 1px solid #eef0f6; border-radius: 18px; padding: 48px; }
.pd-arch-layers { display: flex; flex-direction: column; gap: 12px; }
.pd-arch-layer { display: flex; align-items: center; gap: 16px; padding: 20px 28px; border-radius: 12px; border: 1px solid #eef0f6; transition: all 0.3s; }
.pd-arch-layer:hover { border-color: #3860f4; background: rgba(56,96,244,0.02); }
.pd-arch-layer-num { width: 36px; height: 36px; border-radius: 50%; background: #3860f4; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; }
.pd-arch-layer h4 { font-size: 16px; font-weight: 600; color: #1D273F; margin-bottom: 4px; }
.pd-arch-layer p { font-size: 14px; color: #50627f; }

/* Architecture diagram (new style) */
.pd-arch-diagram { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.pd-arch-node { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 20px 32px; border-radius: 12px; border: 1px solid #eef0f6; background: #fff; transition: all 0.3s; min-width: 280px; }
.pd-arch-node:hover { border-color: #3860f4; box-shadow: 0 4px 24px rgba(56,96,244,0.08); }
.pd-arch-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(56,96,244,0.1); color: #3860f4; margin-bottom: 12px; }
.pd-arch-icon svg { width: 24px; height: 24px; }
.pd-arch-node h4 { font-size: 16px; font-weight: 600; color: #1D273F; margin-bottom: 6px; }
.pd-arch-node p { font-size: 13px; color: #50627f; }
.pd-arch-arrow { color: #a1a1a1; display: flex; align-items: center; justify-content: center; }
.pd-arch-arrow svg { width: 24px; height: 24px; }
.pd-arch-desc { margin-top: 32px; padding: 20px 24px; background: #f5f5f5; border-radius: 12px; font-size: 14px; color: #50627f; line-height: 1.7; }

/* Architecture layer variants */
.pd-arch-layer-collect, .pd-arch-layer-process, .pd-arch-layer-evaluate, .pd-arch-layer-notify, .pd-arch-layer-visualize,
.pd-arch-layer-monitor, .pd-arch-layer-detect, .pd-arch-layer-alert, .pd-arch-layer-action,
.pd-arch-layer-attack, .pd-arch-layer-origin, .pd-arch-layer-request, .pd-arch-layer-ssl, .pd-arch-layer-clean, .pd-arch-layer-clean-traffic, .pd-arch-layer-response,
.pd-arch-layer-report, .pd-arch-layer-resolve { display: flex; align-items: center; gap: 16px; padding: 20px 28px; border-radius: 12px; border: 1px solid #eef0f6; transition: all 0.3s; }
.pd-arch-layer-collect:hover, .pd-arch-layer-process:hover, .pd-arch-layer-evaluate:hover, .pd-arch-layer-notify:hover, .pd-arch-layer-visualize:hover,
.pd-arch-layer-monitor:hover, .pd-arch-layer-detect:hover, .pd-arch-layer-alert:hover, .pd-arch-layer-action:hover,
.pd-arch-layer-attack:hover, .pd-arch-layer-origin:hover, .pd-arch-layer-request:hover, .pd-arch-layer-ssl:hover, .pd-arch-layer-clean:hover, .pd-arch-layer-clean-traffic:hover, .pd-arch-layer-response:hover,
.pd-arch-layer-report:hover, .pd-arch-layer-resolve:hover { border-color: #3860f4; background: rgba(56,96,244,0.02); }

/* Comparison table */
.pd-compare { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.pd-compare th { background: #1a1f3a; color: #fff; padding: 16px 20px; font-size: 14px; font-weight: 600; text-align: center; }
.pd-compare th:first-child { text-align: left; }
.pd-compare td { padding: 14px 20px; font-size: 14px; color: #404040; text-align: center; border-bottom: 1px solid #eef0f6; }
.pd-compare td:first-child { text-align: left; font-weight: 600; color: #1D273F; }
.pd-compare tr:last-child td { border-bottom: none; }
.pd-compare .check { color: #26a57b; font-size: 18px; }
.pd-compare .cross { color: #c9382f; font-size: 18px; }

@media (max-width: 968px) {
  .pd-hero-inner { flex-direction: column; }
  .pd-hero-visual { width: 100%; height: 200px; }
  .pd-features, .pd-pricing, .pd-related, .pd-features-grid, .pd-pricing-grid, .pd-related-grid { grid-template-columns: 1fr; }
  .pd-usecases, .pd-usecases-grid { grid-template-columns: 1fr; }
  .pd-hero-stats { flex-wrap: wrap; gap: 16px; }
  .pd-cta-inner { flex-direction: column; }
  .pd-cta-content { text-align: center; }
}