* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --ocean-blue: #0077be;
  --sky-blue: #89cff0;
  --deep-blue: #003d5c;
  --white: #ffffff;
  --dark: #1a1a2e;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--white);
  color: var(--dark);
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: transparent;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 70px;
  width: auto;
  border-radius: 50%;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
}

.logo:hover {
  transform: scale(1.05) rotate(5deg);
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  transition: all 0.3s ease;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .nav-links a {
  color: var(--dark);
  text-shadow: none;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--white);
  transition: width 0.3s ease;
}

.navbar.scrolled .nav-links a::after {
  background: var(--ocean-blue);
}

.nav-links a:hover::after {
  width: 100%;
}

.cta-btn {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.3);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .cta-btn {
  background: linear-gradient(135deg, var(--ocean-blue), var(--sky-blue));
  border: none;
  box-shadow: 0 4px 15px rgba(0, 119, 190, 0.3);
  text-shadow: none;
}

.cta-btn:hover {
  transform: translateY(-2px);
  background: var(--white);
  color: var(--ocean-blue);
}

/* Hero Section */
.hero {
  height: 100vh;
  background-image: linear-gradient(
      135deg,
      rgba(0, 119, 190, 0.7),
      rgba(137, 207, 240, 0.6)
    ),
    url("./assets/background.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,128C1248,117,1344,107,1392,101.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: bottom;
  animation: wave 15s ease-in-out infinite;
}

@keyframes wave {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-50px);
  }
}

.hero-content {
  text-align: center;
  color: var(--white);
  z-index: 2;
  padding: 2rem;
  animation: fadeInUp 1s ease;
}

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

.hero-content h1 {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-btn {
  padding: 1.2rem 3rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.hero-btn-primary {
  background: var(--white);
  color: var(--ocean-blue);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-btn-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem 1rem;
  text-align: center;
}

.footer p {
  opacity: 0.7;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .mobile-menu-btn {
  color: var(--dark);
  text-shadow: none;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-btn {
    width: 100%;
    max-width: 300px;
  }
}