/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

#root, #__next {
  isolation: isolate;
}

/* CSS Variables */
:root {
  --color-primary: #030755;
  --color-secondary: #990510;
  --color-accent: #ffffff;
  --color-text: #333333;
  --color-text-dark: #0b1226;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e9ecef;
  --color-hover: rgba(3, 7, 85, 0.1);
  --color-coming-soon: #ffc107;

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-base: 16px;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

  --transition: all 0.3s ease;
}

/* Space to offset fixed header (set dynamically via JS) */
:root {
  --header-height: 0px;
}

/* Typography */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

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

.nav-logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-dark);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  background-image: linear-gradient(180deg, rgba(3,7,85,0.03), rgba(153,5,16,0.02)), url('assets/background-shapes.svg');
  background-size: cover;
  background-position: center;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Ensure main content sits below the fixed header to avoid being hidden */
main {
  padding-top: var(--header-height);
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

/* Ensure hero text is always readable above visuals */
.hero-content, .hero-content h1, .hero-content p {
  color: var(--color-text-dark);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  appearance: none;
  -webkit-appearance: none;
}

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

.btn-primary:hover {
  background-color: #020644;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Modal: coming soon */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--color-bg);
  color: var(--color-text-dark);
  max-width: 520px;
  width: calc(100% - 48px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.modal h3 {
  margin-bottom: var(--spacing-sm);
}
.modal p { margin-bottom: var(--spacing-md); }
.modal .modal-actions { display:flex; gap: var(--spacing-sm); justify-content:center; }
.modal .btn { padding: 0.6rem 1rem; }

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

.btn-secondary:hover {
  background-color: #7a0c0e;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

/* Cards */
.card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: var(--spacing-lg);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  margin-bottom: var(--spacing-md);
}

.card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

/* Features */
.features {
  padding: var(--spacing-2xl) 0;
}

.features h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius);
  min-height: 140px;
}

.feature-item h4 {
  margin-bottom: var(--spacing-sm);
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
}

.comparison-table .yes {
  color: #28a745;
  font-weight: 600;
}

.comparison-table .no {
  color: #dc3545;
}

.comparison-table .coming-soon {
  color: var(--color-coming-soon);
}

/* Footer */
.footer {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* Focus & Accessibility */
a:focus, button:focus, .mobile-menu-toggle:focus {
  outline: 3px solid rgba(3,7,85,0.12);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in, .btn, .card, .nav-links a {
    transition: none !important;
    animation: none !important;
  }
}

/* Hero content layout for larger screens */
.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-light);
  transition: var(--transition);
}

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

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

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

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }

  .hero {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero-content {
    display: block;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }

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

  .product-cards {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}