:root {
  --primary-color: #1a5c8a;
  --primary-dark: #0b2e44;
  --secondary-color: #1a6ca3;
  --accent-color: #e74c3c;
  --accent-add-color: #c0392b;
  --secondary-accent: #2ecc71;
  --secondary-accent-dark: #27ae60;
  --text-color: #2c3e50;
  --text-light: #546e7a;
  --text-pale: #bdc3c7;
  --light-1-bg: #f8f9fa;
  --light-2-bg: #edf5fd;
  --white: #ffffff;
  --nav-bg: linear-gradient(to right, var(--primary-color), var(--primary-dark));
  --nav-text: #ffffff;
  --foot-bg: var(--primary-dark);
  --foot-text: #ecf0f1;
  --foot-link: #f4fa99;
  --max-width: 1200px;
  --nav-height: 64px;
  --link-color: #155f8f;
  --border-color: #e1e8ed;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--light-1-bg);
}

p {
  margin-bottom: 0.5rem;
}

table {
  border-collapse: collapse;
  width: 100%;
}

table,
th,
td {
  border: 1px solid var(--text-pale);
}

td,
th {
  padding: 4px 8px;
}

/* Utility Classes */
.example {
  color: var(--text-light);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--primary-color);
}

.text-center {
  text-align: center;
}

.center-block {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

.break-characters {
  word-break: break-all;
}

/* Navigation */
.navbar {
  background: var(--nav-bg);
  color: var(--nav-text);
  box-shadow: var(--shadow-sm);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--nav-height);
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--nav-text);
  font-size: 1.5rem;
  font-weight: bold;
  transition: opacity 0.3s ease;
  padding: 0.4rem 0.8rem;
}

.logo-link:hover {
  opacity: 0.9;
  text-decoration: underline;
  background-color: rgba(255, 255, 255, 0.1);
}

.logo {
  margin-right: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: underline;
}

.menu-toggle {
  display: none;
  cursor: pointer;
}

.menu-toggle .svg-icon {
  width: 2.5rem;
  height: 2.5rem;
  fill: var(--nav-text);
}

.main-pages {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
}

@media screen and (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--nav-bg);
    padding: 1rem;
    gap: 0.5rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 0.75rem 1rem;
  }
}

/* Footer */
footer {
  background-color: var(--foot-bg);
  color: var(--foot-text);
  padding: 0.7rem;
  text-align: center;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

footer .footer-content a {
  text-decoration: none;
  color: var(--foot-link);
}

footer .footer-content a:hover {
  text-decoration: underline;
}

/* Main Content */
main {
  margin-top: var(--nav-height);
  flex: 1;
  padding: 2rem 1rem;
}

.hero {
  text-align: center;
  padding: 3rem 1rem;
  background:
    linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url('/assets/images/ca-bkg.jpg') center/cover no-repeat;
  margin-bottom: 2rem;
  color: var(--white);
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  position: relative;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--white);
}

.hero p {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: linear-gradient(to bottom right, var(--accent-color), var(--accent-add-color));
  color: var(--white) !important;
  text-decoration: none;
  border-radius: 5px;
  font-size: 1.5rem;
  font-weight: bold;
  transition: all 0.3s ease-out;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover {
  background: linear-gradient(to bottom right, var(--accent-add-color), var(--accent-add-color));
  transform: scale(1.075);
  box-shadow: var(--shadow-md);
}

/* Content Pages */
.content-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 2rem;
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.content-container h1,
.content-container h2 {
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.content-container h1 {
  color: var(--primary-color);
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.content-container h2 {
  color: var(--primary-color);
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
}

.content-container h3 {
  color: var(--primary-color);
  font-size: 1.4rem;
  margin: 1rem 0 0.3rem;
}

.content-container p {
  margin-bottom: 1rem;
  line-height: 1.7;
  color: var(--text-color);
}

.content-container ul {
  margin: 1rem 0;
  padding-left: 2rem;
  list-style-type: none;
}

.content-container li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  position: relative;
}

.content-container li::before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  position: absolute;
  left: -1.2rem;
}

.content-container a {
  color: var(--link-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.content-container a:hover {
  border-bottom-color: var(--link-color);
}

.content-container img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

/* Table of Contents */
.table-of-contents {
  background-color: var(--light-2-bg);
  padding: 1.5rem;
  border-radius: 6px;
  margin-bottom: 2rem;
  border-left: 4px solid var(--primary-color);
  font-weight: 600;
}

.under-construction {
  text-align: center;
  padding: 2rem;
  margin: 2rem 0;
  background: linear-gradient(135deg, var(--light-1-bg), #fff);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.together {
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .content-container {
    padding: 1.5rem;
  }
}