/* ==========================================================================
   Variables & Base Styles
   ========================================================================== */
:root {
  --color-deep-blue: #003366;
  --color-ocean-blue: #0077b6;
  --color-aqua: #00b4d8;
  --color-light-blue: #ade8f4;
  --color-sun-yellow: #ffc300;
  --color-bg-light: #f7fcff;
  --color-text-dark: #022c43;
  --font-heading: "Poppins", sans-serif;
  --font-body: "Nunito", sans-serif;
  --shadow: 0 10px 30px rgba(0, 119, 182, 0.15);
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background-color: #fff;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
}

h1,
h2,
h3 {
  font-family: Cambria, Cochin, Georgia, Times, "Times New Roman", serif;
  font-weight: 800;
  color: var(--color-deep-blue);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--color-sun-yellow);
  color: var(--color-text-dark);
}
.btn-primary:hover {
  background-color: #ffd60a;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 195, 0, 0.4);
}

.btn-secondary {
  background-color: var(--color-ocean-blue);
  color: #fff;
}
.btn-secondary:hover {
  background-color: var(--color-aqua);
}

/* ==========================================================================
     Hero Section
     ========================================================================== */
.hero-section {
  height: 95vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  position: relative;
  padding: 1rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 51, 102, 0.5) 0%,
    rgba(0, 119, 182, 0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 4rem;
  color: #fff;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* ==========================================================================
     Wave Divider
     ========================================================================== */
.wave-divider {
  height: 100px;
  width: 100%;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3e%3cpath fill='%23f7fcff' fill-opacity='1' d='M0,192L48,170.7C96,149,192,107,288,106.7C384,107,480,149,576,186.7C672,224,768,256,864,240C960,224,1056,160,1152,138.7C1248,117,1344,139,1392,149.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3e%3c/path%3e%3c/svg%3e");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center bottom;
}

.top-wave {
  transform: rotate(180deg);
}

/* ==========================================================================
     Intro & Packages Section
     ========================================================================== */
.intro-section {
  padding: 4rem 0 2rem 0;
  text-align: center;
}
.intro-section h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}
.intro-section p {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto;
  color: #4a6d88;
}

.packages-section {
  background-color: var(--color-bg-light);
  padding: 1rem 0 5rem 0;
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
}

.tour-card {
  background-color: #fff;
  border-radius: 15px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tour-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 119, 182, 0.25);
}

.tour-card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.tour-card-content {
  padding: 1.5rem 2rem;
}

.tour-card-content h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.tour-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-aqua);
  margin-bottom: 1rem;
}

.tour-card-content p {
  margin-bottom: 1.5rem;
}

.tour-features {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.tour-features li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.tour-features li::before {
  content: "✓";
  color: var(--color-ocean-blue);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* ==========================================================================
     Experience Section
     ========================================================================== */
.experience-section {
  background-color: var(--color-bg-light);
  padding-top: 2rem;
  position: relative;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
}

.experience-item {
  text-align: center;
}

.experience-icon {
  font-size: 3rem;
}

.experience-item h3 {
  font-size: 1.3rem;
  margin: 0.5rem 0;
}

/* ==========================================================================
     Safety Section
     ========================================================================== */
.safety-section {
  background-color: #fff;
  padding: 5rem 0;
}

.safety-content {
  background-color: var(--color-light-blue);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.safety-icon {
  font-size: 3rem;
}

.safety-content h2 {
  color: var(--color-deep-blue);
}

.safety-content ul {
  list-style: none;
  padding: 0;
  text-align: left;
  display: inline-block;
}

.safety-content li {
  padding-left: 1.7rem;
  position: relative;
  margin-bottom: 0.75rem;
}

.safety-content li::before {
  content: "🛡️";
  position: absolute;
  left: 0;
  top: -2px;
}
/* ==========================================================================
     Booking Section
     ========================================================================== */
.booking-section {
  background-color: var(--color-bg-light);
  text-align: center;
  padding-bottom: 5rem;
}

.booking-section h2 {
  font-size: 2.5rem;
}

.booking-section p {
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

.contact-details span {
  display: inline-block;
  margin: 0 1rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.contact-details a {
  color: var(--color-ocean-blue);
  text-decoration: none;
}
.contact-details a:hover {
  text-decoration: underline;
}

/* ==========================================================================
     Responsive
     ========================================================================== */
@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  .section-header h2 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-content p {
    font-size: 1.1rem;
  }
  .section-header h2 {
    font-size: 2rem;
  }
  .contact-details span {
    display: block;
    margin: 0.5rem 0;
  }
}