/* Base & Reset */
:root {
  --color-primary: #0a4d7a;
  --color-primary-light: #e6f2fb;
  --color-accent: #d32f2f;
  --color-accent-hover: #b71c1c;
  --color-text: #333333;
  --color-text-light: #555555;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-bg);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  text-decoration: underline;
}

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

/* Typography */
h1, h2, h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-top: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; }
ul, ol { margin-bottom: 1rem; margin-left: 2rem; }

/* Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.section {
  padding: var(--spacing-lg) 0;
}

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

/* Header & Navigation */
.site-header {
  background-color: var(--color-bg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
}
.logo:hover {
  text-decoration: none;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
  margin: 0 1rem;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-primary);
  text-decoration: none;
}

/* Dropdown */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-bg);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  min-width: 250px;
  list-style: none;
  padding: 0.5rem 0;
  border-radius: 4px;
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-item .nav-link {
  display: block;
  padding: 0.5rem 1rem;
}

.dropdown-item .nav-link:hover {
  background: var(--color-primary-light);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* Buttons & CTAs */
.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  text-align: center;
  border: none;
  cursor: pointer;
}

.btn:hover, .btn:focus {
  background-color: var(--color-accent-hover);
  color: #fff;
  text-decoration: none;
}

.cta-box {
  background-color: var(--color-primary-light);
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
  margin: var(--spacing-md) 0;
  border-radius: 4px;
  text-align: center;
}

.cta-box h3 { margin-top: 0; }
.cta-box .btn { margin-top: 1rem; }

/* Hero Section */
.hero {
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.hero h1 {
  color: #fff;
  margin-bottom: 1.5rem;
}
.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.9rem;
  background-color: var(--color-bg-alt);
}
.breadcrumbs ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}
.breadcrumbs li { margin-right: 0.5rem; }
.breadcrumbs li::after { content: "›"; margin-left: 0.5rem; }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--color-text-light); }
.breadcrumbs a:hover { color: var(--color-primary); }

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #fff;
  padding: var(--spacing-lg) 0 2rem;
  margin-top: auto;
}

.site-footer a { color: #fff; text-decoration: underline; }
.site-footer a:hover { color: var(--color-primary-light); }

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

.footer-col h3 {
  color: #fff;
  font-size: 1.2rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 0.5rem; }

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 0.9rem;
}

/* Mobile Sticky Call Bar */
.mobile-call-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-accent);
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-weight: bold;
  z-index: 1000;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.2);
}
.mobile-call-bar a { color: #fff; display: block; }
.mobile-call-bar a:hover { text-decoration: none; }

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg);
    flex-direction: column;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  .nav-menu.active { display: flex; }
  .nav-item { margin: 0; border-top: 1px solid #eee; }
  .nav-link { display: block; padding: 1rem; }
  .dropdown-menu {
    position: static;
    box-shadow: none;
    display: none;
    padding-left: 1rem;
    background: var(--color-bg-alt);
  }
  .nav-item.dropdown.active .dropdown-menu { display: block; }
  
  .mobile-menu-btn { display: block; }
  .header-btn { display: none; }
  .mobile-call-bar { display: block; }
  
  body { padding-bottom: 60px; /* space for sticky bar */ }
}