:root {
  --primary-color: #3C3B6E; /* Navy blue from US flag */
  --secondary-color: #bf0a30; /* Red from US flag */
  --accent-color: #ffffff;
  --text-color: #333333;
  --light-text: #ffffff;
  --background: #f8f9fa;
  --card-bg: #ffffff;
  --section-alt: #f1f5f9;
  --border-color: rgba(0, 0, 0, 0.1);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Raleway', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

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

a:hover {
  color: var(--secondary-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.btn {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--light-text);
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.section {
  padding: 5rem 0;
}

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

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background-color: var(--secondary-color);
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--primary-color);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: var(--primary-color);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light-text);
}

.logo svg {
  width: 2rem;
  height: 2rem;
  margin-right: 0.75rem;
}

.navbar {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 2.5rem;
}

.nav-link {
  color: var(--light-text);
  font-weight: 600;
  font-size: 1rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  left: 0;
  bottom: -5px;
  transition: var(--transition);
}

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

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  background: linear-gradient(135deg, var(--primary-color), #002868);
  color: var(--light-text);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.3;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  padding-top: 80px; /* Account for fixed header */
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 1.5rem;
}

.hero-text {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Features */
.features {
  background-color: var(--background);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.1);
  border-bottom: 3px solid var(--secondary-color);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(60, 59, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
}

.feature-icon svg {
  width: 35px;
  height: 35px;
  fill: var(--primary-color);
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* How It Works */
.how-it-works {
  background-color: var(--section-alt);
}

.steps {
  counter-reset: steps;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.step:last-child {
  margin-bottom: 0;
}

.step:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 70px;
  left: 35px;
  height: calc(100% - 50px);
  width: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step-number {
  counter-increment: steps;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.step-number::before {
  content: counter(steps);
  width: 70px;
  height: 70px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-text);
  margin-right: 2rem;
}

.step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-color), #002868);
  color: var(--light-text);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill-rule='evenodd'%3E%3Cg id='hexagons' fill='%23ffffff' fill-opacity='0.05' fill-rule='nonzero'%3E%3Cpath d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v12.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background-color: #1a1a2e;
  color: #888;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 3rem;
}

.footer-about .footer-logo {
  display: flex;
  align-items: center;
  color: var(--light-text);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-about svg {
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.5rem;
}

.footer-about p {
  margin-bottom: 1.5rem;
}

.footer-heading {
  color: var(--light-text);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li:not(:last-child) {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #888;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--secondary-color);
}

.copyright {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
}

/* Responsive */
@media screen and (max-width: 991px) {
  html {
    font-size: 15px;
  }
  
  .hero h1 {
    font-size: 2.8rem;
  }
  
  .section-title h2 {
    font-size: 2.2rem;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 70px);
    background-color: var(--primary-color);
    flex-direction: column;
    transition: 0.4s;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    padding: 2rem;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-item {
    margin: 1.5rem 0;
  }
  
  .step {
    flex-direction: column;
  }
  
  .step-number::before {
    margin-bottom: 1rem;
    margin-right: 0;
  }
  
  .step:not(:last-child)::before {
    left: 35px;
    top: 70px;
    height: calc(100% - 70px);
  }
}

@media screen and (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero h1 {
    font-size: 2.3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 4rem 0;
  }
}