:root {
  --primary-green: #2ecc71;
  --primary-blue: #3498db;
  --dark: #2c3e50;
  --light: #f7fbfd;
  --card: #fff;
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

/* ===== Body ===== */
body {
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* ===== Navbar ===== */
header {
  width: 100%;
  background: #3498db;
  color: white;
  padding: 1rem 2rem;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: #3498db;
  cursor: pointer;
  flex-shrink: 0;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
  transition: all var(--transition-speed) ease-in-out;
}

nav ul li a {
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  color: white;
  font-weight: 500;
  transition: color var(--transition-speed);
}

nav ul li a:hover,
nav ul li a.acti {
  color: var(--primary-blue);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  background: url('images/tourhero.jpg') no-repeat center/cover;
  height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.4);
  z-index: 0;
}

.hero-content {
  margin-top: 5rem;
  position: relative;
  z-index: 1;
  padding: 0 1rem;
}

.hero-content h2 {
  font-size: 2rem;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
}

.hero-content p {
  margin-top: 0.5rem;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
}

/* ===== Tour Cards ===== */
.tour-description {
  padding: 3rem 1rem;
}

.tour-card {
  background: var(--card);
  border-radius: 15px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  max-width: 1000px;
  margin: 2rem auto;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tour-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.tour-images img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tour-images img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.tour-text h3 {
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.tour-text p {
  line-height: 1.6;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
  padding: 0.5rem 1rem;
  background: var(--primary-blue);
  color: white;
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--transition-speed), transform var(--transition-speed);
}

.btn:hover {
  background: var(--primary-green);
  transform: scale(1.05);
}

/* ===== Footer ===== */
footer {
  background: var(--primary-blue);
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 2rem;
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  .tour-card {
    flex-direction: row;
  }
  .tour-images, .tour-text {
    flex: 1;
  }
  .tour-images {
    margin-right: 2rem;
  }
  .hero-content h2 {
    font-size: 2.5rem;
  }
  .hero-content p {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  header {
    flex-direction: row;
    align-items: center;
  }
  .nav-toggle {
    display: block;
  }
  nav ul {
    flex-direction: column;
    width: 100%;
    display: none;
    margin-left: 0;
  }
  nav ul.active {
    display: flex;
  }
  .hero-content h2 {
    font-size: 2rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-content h2 {
    font-size: 1.5rem;
  }
  .hero-content p {
    font-size: 0.9rem;
  }
  .btn {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }
}