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

:root {
  /* Option 1 Palette */
  --primary-color: #0F4C81; /* Cobalt Blue */
  --accent-color: #00A8E8; /* Cyan */
  --bg-light: #F8FAFC; /* Slate Light Gray */
  --bg-white: #FFFFFF;
  --text-dark: #0F172A; /* Deep Slate Gray */
  --text-muted: #64748B;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  --transition: all 0.3s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-color);
}

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

ul {
  list-style: none;
}

/* Typography Classes */
.text-center { text-align: center; }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}
.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

/* Header & Nav */
header {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-color);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--accent-color);
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #0090C7; /* Darker Cyan */
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  position: relative;
  height: calc(100vh - 80px);
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: white;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 76, 129, 0.6) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 {
  font-size: 3.5rem;
  color: white;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-btns {
  display: flex;
  gap: 1rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  backdrop-filter: blur(5px);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Features List */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.feature-list i {
  color: var(--accent-color);
  margin-top: 0.25rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-col p, .footer-col li {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Page Headers */
.page-header {
  background-color: var(--primary-color);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.page-header h1 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-links.active {
    transform: translateY(0);
  }
  
  .nav-cta {
    display: none;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-btns {
    flex-direction: column;
  }
}

/* Image placements */
.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Flex utilities */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }