:root {
  --brand-blue: #1e88c7;
  --brand-blue-dark: #146190;
  --brand-green: #8cc63f;
  --text-dark: #253238;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text-dark);
}

a {
  color: var(--brand-blue);
}

.navbar-brand img {
  height: 50px;
}

.navbar-nav .nav-link {
  font-weight: 600;
  color: var(--text-dark) !important;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
  color: var(--brand-blue) !important;
}

.top-bar {
  background: var(--brand-blue-dark);
  color: #fff;
  font-size: 0.85rem;
}

.top-bar a {
  color: #fff;
  text-decoration: none;
}

.hero {
  background: linear-gradient(rgba(20, 97, 144, 0.85), rgba(20, 97, 144, 0.85)), url('../images/hero-bg.jpg') center/cover no-repeat;
  color: #fff;
  padding: 90px 0;
}

.hero h1 {
  font-weight: 800;
}

.btn-brand {
  background: var(--brand-green);
  border-color: var(--brand-green);
  color: #123;
  font-weight: 700;
}

.btn-brand:hover {
  background: #78ab30;
  border-color: #78ab30;
  color: #123;
}

.btn-outline-brand {
  border-color: #fff;
  color: #fff;
  font-weight: 700;
}

.btn-outline-brand:hover {
  background: #fff;
  color: var(--brand-blue-dark);
}

.section-title {
  font-weight: 800;
  color: var(--brand-blue-dark);
  position: relative;
  margin-bottom: 30px;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--brand-green);
  margin-top: 10px;
}

.service-card {
  border: none;
  border-top: 4px solid var(--brand-blue);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  height: 100%;
  transition: transform 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
}

.bg-brand-light {
  background: #f3f9ff;
}

footer {
  background: #123047;
  color: #cfe1ee;
}

footer a {
  color: #fff;
}

footer h5 {
  color: #fff;
  font-weight: 700;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  margin-right: 8px;
  text-decoration: none;
}

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  z-index: 1000;
  font-size: 28px;
  text-decoration: none;
}

.whatsapp-float:hover {
  color: #fff;
  filter: brightness(1.05);
}

.doctor-photo-placeholder {
  background: #e6f0f8;
  border: 2px dashed var(--brand-blue);
  color: var(--brand-blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  padding: 20px;
}

.placeholder-note {
  background: #fff9db;
  border: 1px dashed #d4b106;
  color: #6b5400;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 4px;
}