.hero {
  background: linear-gradient(135deg, var(--deep-blue) 0%, var(--mid-blue) 50%, var(--bright-blue) 100%);
  color: var(--white);
  padding: 80px 0 100px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 16px;
  line-height: 1.2;
}
.hero p {
  font-size: 1.15rem;
  opacity: .9;
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.trust-bar {
  background: var(--white);
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.trust-items {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item { text-align: center; }
.trust-item strong { display: block; font-size: 1.5rem; color: var(--deep-blue); }
.trust-item span { color: var(--muted); font-size: 0.85rem; }

.section { padding: 64px 0; }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  color: var(--deep-blue);
  font-size: 2rem;
  margin-bottom: 8px;
}
.section-title p { color: var(--muted); }

.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.how-step {
  text-align: center;
  padding: 24px;
}
.how-step .num {
  width: 48px; height: 48px;
  background: var(--light-blue);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.25rem;
  margin: 0 auto 16px;
}

.doctor-carousel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.site-footer {
  background: var(--deep-blue);
  color: rgba(255,255,255,.8);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-grid h4 { color: var(--white); margin-bottom: 16px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: rgba(255,255,255,.7); text-decoration: none; }
.footer-grid a:hover { color: var(--light-blue); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { color: var(--deep-blue); margin-bottom: 20px; }

.install-prompt {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--deep-blue);
  color: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 16px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.blog-card .content { padding: 20px; }
.blog-card h3 { color: var(--deep-blue); margin-bottom: 8px; }

@media (max-width: 900px) {
  .how-steps { grid-template-columns: repeat(2, 1fr); }
  .doctor-carousel { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .how-steps, .doctor-carousel, .footer-grid, .blog-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; }
}