:root {
  --primary-color: #002347;
  --secondary-color: #00509d;
  --accent-color: #ffb703;
  --text-color: #333333;
  --light-text: #f8f9fa;
  --bg-light: #ffffff;
  --bg-dark: #001220;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
  font-family: "Outfit", "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
  background-color: var(--bg-light);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--primary-color);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* Premium Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 1000;
  transition: var(--transition);
}

nav.scrolled {
  background: rgba(0, 35, 71, 0.95);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--light-text);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links li a {
  color: var(--light-text);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

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

/* Hero Section */
.hero {
  height: 100vh;
  background:
    linear-gradient(rgba(0, 35, 71, 0.6), rgba(0, 35, 71, 0.6)),
    url("assets/img/marine_hero_bg.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--light-text);
}

.hero-content {
  max-width: 800px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.5s;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  color: var(--light-text);
  line-height: 1.1;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

/* Buttons */
.btn {
  padding: 15px 35px;
  border-radius: 50px;
  font-weight: 700;
  display: inline-block;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent-color);
  color: var(--primary-color);
}

.btn-primary:hover {
  background: #e5a500;
  transform: scale(1.05);
}

.btn-outline {
  border: 2px solid var(--light-text);
  color: var(--light-text);
  margin-left: 15px;
}

.btn-outline:hover {
  background: var(--light-text);
  color: var(--primary-color);
}

/* Sections */
section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--accent-color);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-light);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: var(--transition);
  border-bottom: 4px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  border-bottom: 4px solid var(--accent-color);
}

.service-card i {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
}

/* Stats Section */
.stats {
  background: var(--bg-dark);
  color: var(--light-text);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 5px;
}

/* Footer */
footer {
  background: var(--bg-dark);
  color: var(--light-text);
  padding: 80px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-about h3 {
  color: var(--light-text);
  margin-bottom: 20px;
}

.footer-links h4 {
  color: var(--light-text);
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  opacity: 0.7;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}