/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --primary: #003366; /* Deep Ocean Blue */
  --primary-light: #004d99;
  --secondary: #10b981; /* Success Green */
  --secondary-dark: #059669;
  --text-dark: #1f2937;
  --text-gray: #4b5563;
  --bg-light: #f9fafb;
  --white: #ffffff;
  --error: #ef4444;

  /* Spacing */
  --section-padding: 80px 0;
  --container-max-width: 1200px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, .brand-font {
  font-family: 'Poppins', sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Utility Classes */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--section-padding);
}

.text-center { text-align: center; }
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
}

/* Header & Navbar */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: all 0.3s ease;
}

header.scrolled {
  position: fixed;
  background: var(--white);
  box-shadow: var(--shadow-md);
  padding: 10px 0;
}

header.scrolled .nav-link {
  color: var(--text-dark);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 60px;
  width: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--secondary);
  background: white;
  box-shadow: var(--shadow-sm);
}

header.scrolled .logo {
  color: var(--primary);
}

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

.nav-link {
  font-weight: 500;
  color: var(--white);
}

header.scrolled .nav-link:hover {
  color: var(--primary);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Footer */
footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 60px 0 20px;
}

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

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: block;
}

.footer-link {
  display: block;
  margin-bottom: 10px;
  color: #cbd5e1;
}

.footer-link:hover {
  color: var(--secondary);
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: #94a3b8;
}

/* Hero Section */
.hero {
  height: 100vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--white);
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to right, rgba(0,51,102,0.8), rgba(0,51,102,0.4));
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 700px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* Form Styling */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-family: inherit;
}

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 5px;
  display: none;
}

.checkbox-group {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2.5rem; }
  .logo-img { height: 45px; width: 45px; }
}