/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  scroll-behavior: smooth;
}

/* Navbar Styling */
.navbar {
  height: 100px; /* Make the navbar taller */
  display: flex;
  align-items: center;
}

.navbar-brand {
  font-size: 1.8rem;
}

.nav-link {
  font-size: 1.2rem;
  padding: 10px 20px;
}

.navbar-nav .nav-item {
  margin-left: 15px;
}

/* Hero Section */
.hero {
  height: 100vh;
  /* Multiple background images are allowed and give the opacity with needing an overlay div */
  background-image: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%,rgba(0,0,0,0.5) 100%),
    url('img/hero_bg_vascular_surgeons.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding-top: 100px; /* Padding to avoid overlap with navbar */
}

.hero h1 {
  font-size: 3.5rem;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

/* Sections */
section {
  padding: 100px 20px;
  text-align: center;
}

#services, #testimonials, #contact {
  background-color: #f4f4f4;
}

h2 {
  margin-bottom: 20px;
  font-size: 2.5rem;
}

p {
  font-size: 1.1rem;
  color: #333;
}