:root {
  --primary: #0067b8;
  --primary-dark: #005da6;
  --primary-light: #3a96dd;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --light: #ffffff;
  --dark: #000000;
  --card: #ffffff;
  --gray: #616161;
  --gray-dark: #242424;
  --surface: #f2f2f2;

  --font-family-sans-serif: 'Segoe UI', SegoeUI, "Helvetica Neue", Helvetica, Arial, sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.12);
  --border-light: 1px solid #e1dfdd;
  --radius: 4px;
}

/* --- Reset & Base Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family-sans-serif);
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

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

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
  letter-spacing: normal;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray-dark);
}

ul {
  list-style: none;
}

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

.section {
  padding: 6rem 0;
}

.section h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark);
}

.section h2 i {
  margin-right: 0.5rem;
  color: var(--primary);
}

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

/* --- Navbar --- */
.navbar {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: var(--border-light);
}

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

.nav-logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo img {
  height: 32px;
}

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

.nav-links-wrapper a {
  color: var(--dark);
  font-weight: 400;
  font-size: 0.95rem;
}

.nav-links-wrapper a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* --- Mega Menu Dropdown --- */
.nav-item.dropdown {
  position: relative;
}

.nav-link.dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--dark);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link.dropdown-toggle:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.dropdown-menu.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  background-color: #ffffff;
  border: 1px solid #e1dfdd;
  box-shadow: 0 8px 16px rgba(0,0,0,0.12);
  padding: 2rem;
  border-radius: 4px;
  z-index: 1100;
  margin-top: 0.5rem;
}

.dropdown-menu.mega-menu.show {
  display: block;
}

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

.mega-column h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.mega-column a {
  display: block;
  padding: 0.4rem 0;
  color: var(--dark);
  text-decoration: none;
  font-size: 0.9rem;
}

.mega-column a i {
  width: 20px;
  color: var(--primary);
  margin-right: 0.5rem;
  text-align: center;
}

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

/* --- Hero Section --- */
.hero {
  background-color: #f2f2f2;
  background-image: none;
  color: var(--dark);
  padding: 8rem 1.5rem;
  text-align: center;
}

.hero h1 {
  color: var(--dark);
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: normal;
  line-height: 1.1;
}

.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
  color: var(--dark);
}

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

.service-box {
  background-color: var(--card);
  padding: 2.5rem;
  border-radius: 4px;
  border: 1px solid transparent;
  box-shadow: 0 1.6px 3.6px 0 rgba(0,0,0,0.132), 0 0.3px 0.9px 0 rgba(0,0,0,0.108);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 3.2px 7.2px 0 rgba(0,0,0,0.132), 0 0.6px 1.8px 0 rgba(0,0,0,0.108);
  border-color: transparent;
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: transparent;
  color: var(--primary);
  font-size: 2.5rem;
  border-radius: 0;
  margin-bottom: 1rem;
}

.service-box a {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  font-weight: 600;
}

.service-box a i {
  margin-left: 0.5rem;
  transition: transform 0.2s;
}

.service-box a:hover i {
  transform: translateX(4px);
}

/* --- Specific Box Styles --- */
.faq-box h3 {
  font-size: 1.25rem;
}

/* --- CTA Section --- */
.cta {
  background: var(--primary);
  color: #ffffff;
  text-align: center;
  padding: 6rem 1.5rem;
  margin-top: 4rem;
  border-radius: 4px;
}

.cta h2 {
  color: #ffffff;
}

.cta p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
}

.cta a {
  display: inline-block;
  background-color: #ffffff;
  color: var(--dark);
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

.cta a:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

/* --- Footer --- */
.site-footer {
  background-color: #f2f2f2;
  color: var(--gray-dark);
  padding: 5rem 0 2rem;
  margin-top: 6rem;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: none;
  margin-bottom: 2rem;
}

.footer-links-grid h4 {
  color: var(--gray-dark);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: normal;
}

.footer-links-grid a {
  color: var(--gray-dark);
  font-size: 0.9rem;
}

.footer-links-grid a:hover {
  color: var(--primary);
  text-decoration: none;
  text-decoration: underline;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

.back-to-top {
  color: var(--gray-dark);
  display: inline-flex;
  align-items: center;
}

.back-to-top:hover {
  color: var(--primary);
  text-decoration: none;
}

.back-to-top i {
  margin-left: 0.5rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  .hero h1 { font-size: 2.75rem; }
  
  .nav-toggle { display: block; }
  
  .nav-links-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    border-top: var(--border-light);
    gap: 0;
  }
  
  .nav-links-wrapper.active { display: flex; }
  
  .nav-links-wrapper a {
    padding: 1rem 1.5rem;
    text-align: center;
    border-bottom: var(--border-light);
    width: 100%;
  }

  /* Mobile Mega Menu */
  .nav-item.dropdown {
    width: 100%;
  }

  .nav-link.dropdown-toggle {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    border-bottom: var(--border-light);
  }

  .dropdown-menu.mega-menu {
    position: static;
    transform: none;
    width: 100%;
    box-shadow: none;
    border: none;
    background-color: var(--surface);
    padding: 1rem;
    display: block; /* Always show content in mobile menu */
  }

  .mega-menu-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: left;
  }
  
  .footer-links-grid { text-align: center; }
  .footer-content { flex-direction: column; text-align: center; }
}