/* VEILWATCH Product Page styles — layered on top of style.css */

/* ===== Hero with background image ===== */
.product-hero {
  margin-top: calc(var(--header-height) + 32px);
  padding: 120px 0 100px;
  color: #fff;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.product-hero .container { position: relative; z-index: 1; }
.product-hero-content { max-width: 760px; }
.product-hero .subtitle {
  color: var(--primary-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.product-hero h1 {
  color: #fff;
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.product-hero h1 span { color: var(--primary-blue); }
.product-hero .lede {
  font-size: 1.15rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 640px;
}
.product-hero .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.08); border-color: #fff; color: #fff; }

.nav-cta {
  background: var(--primary-blue);
  color: #fff !important;
  padding: 10px 18px !important;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
}
.nav-cta:hover { background: var(--accent-blue); color: #fff !important; }

/* ===== Differentiator callout ===== */
.differentiator {
  background: var(--primary-dark);
  color: #fff;
  padding: 48px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.differentiator .container { max-width: 900px; }
.differentiator .diff-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-blue);
  margin-bottom: 14px;
}
.differentiator .diff-body {
  font-size: 1.25rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.92);
  font-weight: 400;
}

/* ===== Section chrome ===== */
.section { padding: 90px 0; }
.section-dark {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.82);
}
.section-dark h2, .section-dark h3, .section-dark h4, .section-dark h5 { color: #fff; }
.section-dark .section-header p { color: rgba(255,255,255,0.72); }
.section-dark .subtitle { color: var(--primary-blue); }

.section-header {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-header .subtitle {
  color: var(--primary-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.section-header p { font-size: 1.05rem; line-height: 1.7; }

/* ===== Sensor grid (ISR Fusion etc.) ===== */
.sensor-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.sensor-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.sensor-card:hover { background: rgba(255,255,255,0.05); border-color: rgba(46,163,242,0.35); }
.sensor-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-blue);
  padding: 4px 10px;
  border: 1px solid rgba(46,163,242,0.35);
  border-radius: 3px;
  margin-bottom: 18px;
}
.sensor-card h3 { font-size: 1.35rem; margin-bottom: 14px; }
.sensor-card p { color: rgba(255,255,255,0.75); margin-bottom: 18px; font-size: 0.98rem; }
.sensor-card ul { padding-left: 18px; margin: 0; }
.sensor-card li { color: rgba(255,255,255,0.72); font-size: 0.92rem; line-height: 1.55; margin-bottom: 6px; }

/* ===== Feature grid (generic 4-up cards) ===== */
.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.feature-card {
  background: var(--bg-section);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: var(--primary-blue); }
.feature-card h4 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 600; color: var(--text-dark); }
.feature-card p { font-size: 0.95rem; line-height: 1.6; color: var(--text-body); margin: 0; }

/* ===== Clearance status grid ===== */
.status-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.status-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.status-card h4 { color: #fff; font-size: 1.05rem; margin-bottom: 10px; font-weight: 600; }
.status-card p { color: rgba(255,255,255,0.72); font-size: 0.93rem; line-height: 1.6; margin: 0; }
.status-swatches { display: flex; gap: 6px; margin-bottom: 16px; }
.sw { width: 14px; height: 14px; border-radius: 50%; display: inline-block; }
.sw-green { background: #48bb78; box-shadow: 0 0 10px rgba(72,187,120,0.6); }
.sw-amber { background: #ed8936; box-shadow: 0 0 10px rgba(237,137,54,0.5); }
.sw-red { background: #f56565; box-shadow: 0 0 10px rgba(245,101,101,0.5); }
.sw-grey { background: rgba(255,255,255,0.3); }

/* ===== Override: feature-card readability inside dark/coastal sections =====
 * .coastal-section p and .section-dark cascade set white text; feature-cards
 * have a light background, so their text needs to be forced back to dark.
 * Specificity (0,2,1) beats (0,1,1) of the section-level rules. */
.section-dark .feature-card,
.coastal-section .feature-card {
  background: #fff;
  color: var(--text-body);
}
.section-dark .feature-card h4,
.coastal-section .feature-card h4 {
  color: var(--text-dark);
}
.section-dark .feature-card p,
.coastal-section .feature-card p,
.section-dark .feature-card li,
.coastal-section .feature-card li {
  color: var(--text-body);
}

/* Dark/coastal section overrides for integration-card.
 * Default styling below is for light sections; these overrides restore the
 * translucent-white treatment when the parent section is dark. */
.coastal-section .integration-card,
.section-dark .integration-card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}
.coastal-section .integration-card p:last-child,
.section-dark .integration-card p:last-child {
  color: rgba(255, 255, 255, 0.88);
}
.coastal-section .integration-card p:last-child strong,
.section-dark .integration-card p:last-child strong {
  color: #fff;
}

/* ===== Coastal (patent-pending) ===== */
.coastal-section {
  background: linear-gradient(135deg, #011a2e 0%, #023047 60%, #034a6e 100%);
  color: #fff;
}
.coastal-section .subtitle { color: var(--primary-blue); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 16px; }
.coastal-section h2 { color: #fff; font-size: clamp(1.9rem, 3.2vw, 2.6rem); margin-bottom: 20px; font-weight: 700; letter-spacing: -0.01em; }
.coastal-section p { color: rgba(255,255,255,0.85); line-height: 1.7; font-size: 1.02rem; }
.coastal-section ul { padding-left: 20px; margin-top: 20px; }
.coastal-section li { color: rgba(255,255,255,0.78); line-height: 1.65; margin-bottom: 10px; }

/* ===== Integration grid ===== */
.integration-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.integration-card {
  background: #fff;
  border: 1px solid rgba(10,14,20,0.08);
  border-left: 3px solid var(--primary-blue);
  border-radius: 6px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(10,14,20,0.04);
}
.integration-from {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.78rem;
  color: var(--primary-blue);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  font-weight: 600;
}
.integration-card p:last-child { color: var(--text-body); font-size: 0.95rem; line-height: 1.6; margin: 0; }
.integration-card p:last-child strong { color: var(--text-dark); }

/* ===== AI / Model grid ===== */
.ai-section { background: var(--bg-warm); }
.model-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-bottom: 36px;
}
.model-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.model-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px;
  height: 2px;
  background: var(--primary-blue);
}
.model-card h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; color: var(--text-dark); }
.model-card p { font-size: 0.93rem; line-height: 1.6; color: var(--text-body); margin: 0; }
.deployment-note {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-body);
  font-style: italic;
  max-width: 720px;
  margin: 0 auto;
}

/* ===== Footer address line ===== */
.footer-address {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 14px;
  letter-spacing: 0.02em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .product-hero { padding: 90px 0 70px; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .differentiator .diff-body { font-size: 1.08rem; }
}