/* Brain Health - Clinical AI Solution Page */

main.brain-health-main {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 10%, rgba(92, 207, 255, 0.12), transparent 50%), 
              radial-gradient(circle at 80% 30%, rgba(139, 92, 246, 0.10), transparent 55%),
              rgba(5, 5, 5, 0.85);
  color: #f5f7ff;
  padding-bottom: 120px;
}

/* Hero Section */
.bh-hero {
  padding: 140px 0 80px;
}

.bh-hero__grid {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.bh-hero__content {
  text-align: center;
  max-width: 800px;
}

.bh-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(243, 247, 255, 0.75);
  margin-bottom: 1rem;
}

.bh-hero__content h1 {
  font-size: clamp(2.6rem, 4vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.bh-hero__content h1 span {
  display: block;
  color: #8bd5ff;
  font-weight: 600;
}

.bh-lead {
  color: rgba(245, 247, 255, 0.85);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.bh-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.bh-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.bh-btn--primary {
  background: linear-gradient(135deg, #00baff, #6366f1);
  color: #fff;
  border: none;
}

.bh-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 186, 255, 0.3);
}

.bh-btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #f8fafc;
}

.bh-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Section Containers */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #ffffff;
}

.gradient-text {
  background: linear-gradient(135deg, #00baff, #8b5cf6);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Features Section */
.bh-features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.glass-card {
  position: relative;
  border-radius: 24px;
  padding: 28px;
  overflow: hidden;
  background: radial-gradient(
      circle at 28% 20%,
      rgba(255, 98, 88, 0.15) 0%,
      rgba(155, 80, 160, 0.12) 30%,
      rgba(45, 60, 130, 0.20) 70%,
      rgba(10, 14, 28, 0.85) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px) saturate(130%);
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at 35% 35%,
      rgba(255, 110, 90, 0.12),
      rgba(150, 80, 200, 0.08),
      rgba(20, 32, 78, 0.10) 80%
  );
  filter: blur(50px);
  opacity: 0.7;
  z-index: 1;
}

.glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/noise-fine.png');
  opacity: 0.12;
  mix-blend-mode: overlay;
  z-index: 2;
}

.glass-card > * {
  position: relative;
  z-index: 3;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: #f8fafc;
}

.feature-description {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e8f0ff;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
}

/* How It Works Section */
.how-it-works-section {
  padding: 80px 0;
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.how-it-works-card {
  padding: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 186, 255, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(0, 186, 255, 0.3);
  color: #00baff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.how-it-works-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #f8fafc;
}

.how-it-works-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Use Case Section */
.use-case-section {
  padding: 80px 0;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.use-case-card {
  padding: 28px;
}

.use-case-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #00baff;
}

.use-case-card p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.25;
  margin-bottom: 1rem;
  color: #ffffff;
}

.cta-description {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #00baff, #6366f1);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 186, 255, 0.3);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #f8fafc;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .bh-hero {
    padding: 100px 0 60px;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .features-grid,
  .how-it-works-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .bh-hero__actions,
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .bh-btn,
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}