/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fdfdfd;
  color: #222;
}

/* Header layout */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background-color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo img {
  height: 50px;
}

/* Nav links */
nav {
  display: flex;
  align-items: center;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 16px;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #0077b6;
}

/* Hamburger menu (hidden by default) */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  margin-left: 20px;
}

.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background-color: #333;
  transition: 0.3s;
}

.testimonials-section {
  max-width: 1200px;
  margin: auto;
  margin-top: 120px;
  text-align: center;
}

.testimonial-heading {
  font-size: 36px;
  margin-bottom: 40px;
  color: #03045e;
}

/* Video grid layout */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

/* Responsive video wrapper */
.video-wrapper {
  background-color: #ffffff;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  height: auto;
}

.video-wrapper video {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  background-color: #000;
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 80px;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    width: 100%;
    display: none;
    text-align: center;
    padding: 20px 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* Responsive typography */
@media (max-width: 600px) {
  .testimonial-heading {
    font-size: 24px;
  }
}