:root {
  --primary-color: #003E70;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f5f5f5;
}

img {
  max-width: 100%;
  height: auto;
}

header {
  background-color: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  padding: 10px 20px;
}

header .logo img {
  height: 60px;
}

header nav ul {
  list-style: none;
  display: flex;
  margin-left: auto;
  padding: 0;
}

header nav ul li {
  margin: 0 10px;
}

header nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

header nav ul li a:hover {
  text-decoration: underline;
}

.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  color: white;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
}

.hero h1, .hero p {
  position: relative;
  z-index: 1;
  margin: 0;
}

.hero-logo {
  width: 150px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
  background: white;
}

.coaches {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.coach {
  flex: 1 1 30%;
  text-align: center;
}

.coach img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 10px;
}

/* session information */
.session-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.session {
  display: flex;
  align-items: center;
  gap: 15px;
}

.session img {
  width: 120px;
  border-radius: 8px;
}

.main-booking-img {
  width: 200px;
  display: block;
  margin: 0 auto 20px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 8px;
  box-sizing: border-box;
}

.contact-form button {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.contact-form button:hover {
  opacity: 0.9;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  header nav ul {
    flex-direction: column;
    width: 100%;
  }

  header nav ul li {
    margin: 5px 0;
  }

  .coach {
    flex: 1 1 100%;
  }

  .session {
    flex-direction: column;
    text-align: center;
  }
}

footer {
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  padding: 10px 0;
  margin-top: 40px;
}