/* Global reset and box-sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Variables */
:root {
  --deep-blue: #0b3d91;
  --ocean-blue: #1a8fe3;
  --light-blue: #7fdbff;
  --sky-blue: #c1e3ff;
  --sunset-orange: #ff7043;
  --coral: #ff9e80;
  --sand: #fff0c4;
  --white: #ffffff;
}

/* Body styling */
body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--sky-blue);
  color: #00334d;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
header {
  background: rgba(11, 61, 145, 0.9);
  padding: 20px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header h1 {
  font-weight: 600;
  font-size: 2.5rem;
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInDown 1s ease-out;
}

nav {
  margin-top: 10px;
}

nav a {
  color: var(--coral);
  text-decoration: none;
  font-weight: 600;
  margin: 0 10px;
  transition: all 0.3s ease;
  padding: 8px 15px;
  border-radius: 20px;
}

nav a:hover {
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

/* Hero section with waves */
.hero {
  position: relative;
  height: 55vh;
  background: linear-gradient(to bottom, #1e88e5, #039be5);
  overflow: hidden;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  z-index: 10;
  width: 90%;
  max-width: 800px;
  animation: fadeIn 1.2s ease-in-out;
}

.hero-content h2 {
  font-size: 3rem;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 20px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Wave animation */
.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="1" d="M0,128L48,144C96,160,192,192,288,197.3C384,203,480,181,576,165.3C672,149,768,139,864,149.3C960,160,1056,192,1152,197.3C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: 1440px 100px;
}

.wave1 {
  animation: wave 13s linear infinite;
  z-index: 3;
  opacity: 0.7;
}

.wave2 {
  animation: wave 10s linear reverse infinite;
  z-index: 2;
  opacity: 0.5;
  background-position: 50px 10px;
}

.wave3 {
  animation: wave 15s linear infinite;
  z-index: 1;
  opacity: 0.3;
  background-position: -150px 20px;
}

@keyframes wave {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: 1440px;
  }
}

/* Fade in animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Main content */
main {
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* About section */
#about {
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(20px);
  animation: fadeInUp 1s ease-out forwards;
}

#about h2 {
  color: var(--deep-blue);
  margin-bottom: 15px;
  font-size: 2.2rem;
  text-align: center;
}

#about p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #333;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Gallery section */
#gallery {
  padding: 20px 0;
}

#gallery h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: var(--deep-blue);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

/* Photo card */
.photo {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease;
  transform: translateY(0);
  opacity: 0;
  animation: fadeInStagger 0.6s ease-out forwards;
}

.photo:nth-child(1) { animation-delay: 0.1s; }
.photo:nth-child(2) { animation-delay: 0.3s; }
.photo:nth-child(3) { animation-delay: 0.5s; }
.photo:nth-child(4) { animation-delay: 0.7s; }

@keyframes fadeInStagger {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.photo img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.photo p {
  padding: 15px;
  text-align: center;
  font-weight: 600;
  color: var(--deep-blue);
  font-size: 1.1rem;
}

.photo:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.photo:hover img {
  transform: scale(1.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 25px;
  background: linear-gradient(to right, var(--deep-blue), var(--ocean-blue));
  margin-top: 50px;
}

footer p {
  color: var(--white);
  font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .hero-content h2 {
    font-size: 2.2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero {
    height: 45vh;
  }
}