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

:root {
  --color-primary-dark: #0A192F; /* Deep Navy Blue */
  --color-primary-muted: #172A45; /* Muted Blue */
  --color-accent: #64FFDA; /* Changed from institutional blue for a subtle modern highlight on links */
  --color-text-light: #CCD6F6;
  --color-text-dark: #333;
  --color-background-light: #F5F7FA; /* Light Neutral Grey */
  --color-background-dark: #0A192F;
  --color-border: #233554;
  --color-white: #FFFFFF;

  --font-family-sans: 'Lato', 'Open Sans', 'Roboto', sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;

  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 16px;
  --spacing-l: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;
  --spacing-section: clamp(4rem, 10vw, 8rem);

  --border-radius: 8px;
  --transition-speed: 300ms ease-in-out;
  --box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-background-light);
  color: var(--color-text-dark);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: var(--spacing-m); }

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxxl);
  color: var(--color-primary-dark);
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-accent);
  margin: var(--spacing-s) auto 0;
}

/* --- Header & Navigation --- */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-speed);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header.scrolled {
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

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

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-links a {
  color: var(--color-primary-dark);
  font-weight: 500;
  padding: var(--spacing-s) 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-speed);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: -20px;
  background-color: var(--color-white);
  min-width: 280px;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  padding: var(--spacing-m);
  list-style: none;
  z-index: 1;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-content li {
  padding: var(--spacing-s) var(--spacing-m);
}

.dropdown-content a {
  width: 100%;
  display: block;
  color: var(--color-primary-dark);
}

.dropdown-content a::after {
  display: none;
}

.dropdown-content a:hover {
  color: var(--color-primary-muted);
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background: var(--color-primary-dark);
  transition: all 0.3s ease-in-out;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding: 0 var(--spacing-xl);
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary-dark);
  opacity: 0.8;
}

.hero .desaturated-img {
  filter: grayscale(100%) contrast(1.1);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-l);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-light);
  max-width: 800px;
  margin: 0 auto;
}

.hero-small {
  min-height: 40vh;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: var(--spacing-m) 0;
  background-color: #e9ecef;
  font-size: 0.9rem;
}

.breadcrumbs ol {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumbs li + li::before {
  content: '/';
  margin: 0 var(--spacing-s);
  color: #6c757d;
}

.breadcrumbs a {
  color: var(--color-primary-muted);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs .active {
  color: #6c757d;
}

/* --- Alternating Content Section --- */
.content-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxxl);
  align-items: center;
}

.content-section:nth-child(even) .content-image {
  order: 2;
}

.content-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: grayscale(90%) sepia(10%);
}

.content-text h3 {
  margin-bottom: var(--spacing-l);
}

/* --- Grid Section --- */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.grid-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: all var(--transition-speed);
  border: 1px solid #e9ecef;
}

.grid-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.grid-card h4 {
  color: var(--color-primary-muted);
  margin-bottom: var(--spacing-m);
}

.grid-card a {
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary-dark);
}

.grid-card a:hover {
  text-decoration: underline;
}

/* --- Article Page --- */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h1,
.article-content h2,
.article-content h3 {
  margin-top: var(--spacing-xxl);
}

.article-content p,
.article-content ul,
.article-content ol {
  font-size: 1.1rem;
  line-height: 1.7;
}

.article-content ul, .article-content ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-m);
}
.article-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--spacing-l);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: #555;
    background-color: #f8f9fa;
    padding-top: var(--spacing-m);
    padding-bottom: var(--spacing-m);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
.related-articles {
    border-top: 1px solid #ddd;
    margin-top: var(--spacing-xxxl);
    padding-top: var(--spacing-xxl);
}


/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xxxl);
    align-items: flex-start;
}

.contact-info h3 {
    margin-bottom: var(--spacing-l);
}
.contact-info .disclaimer {
    font-size: 0.9rem;
    font-style: italic;
    color: #6c757d;
    background-color: #f8f9fa;
    padding: var(--spacing-m);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-primary-muted);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-l);
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-s);
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-m);
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-speed);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary-muted);
    box-shadow: 0 0 0 3px rgba(10, 25, 47, 0.1);
}

.btn-submit {
    display: inline-block;
    padding: var(--spacing-m) var(--spacing-xl);
    background-color: var(--color-primary-muted);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-speed);
}

.btn-submit:hover {
    background-color: var(--color-primary-dark);
}

/* --- Legal Page --- */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}
.legal-content h2, .legal-content h3 {
    margin-top: var(--spacing-xxl);
}
.legal-content p, .legal-content ul {
    line-height: 1.7;
}
.legal-content ul {
    padding-left: var(--spacing-xl);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--spacing-xxxl) 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.footer-col h5 {
  color: var(--color-white);
  margin-bottom: var(--spacing-m);
  font-size: 1.1rem;
}

.footer-col p {
  color: #a8b2d1;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--spacing-s);
}

.footer-col a {
  color: #a8b2d1;
}

.footer-col a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-l);
  margin-top: var(--spacing-xl);
  font-size: 0.8rem;
  color: #8892b0;
}

/* --- Back to Top Button --- */
#to-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary-muted);
  color: white;
  border: none;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  z-index: 100;
  transition: opacity 0.3s, visibility 0.3s;
  opacity: 0;
  visibility: hidden;
}

#to-top-btn.show {
  opacity: 1;
  visibility: visible;
}

/* --- Cookie Banner --- */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(23, 42, 69, 0.95);
  color: var(--color-text-light);
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-l);
  z-index: 9999;
  backdrop-filter: blur(5px);
  gap: var(--spacing-l);
  flex-wrap: wrap;
}

#cookie-banner p {
  margin: 0;
  flex-grow: 1;
  min-width: 300px;
}

#cookie-banner p a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-m);
  flex-shrink: 0;
}

.cookie-btn {
  padding: var(--spacing-s) var(--spacing-m);
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-speed);
}

.cookie-accept {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.cookie-accept:hover {
  opacity: 0.8;
}

.cookie-decline {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-text-light);
}

.cookie-decline:hover {
  background-color: var(--color-text-light);
  color: var(--color-primary-dark);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .content-section {
    grid-template-columns: 1fr;
  }
  .content-section:nth-child(even) .content-image {
    order: 0;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    right: 0;
    width: 70%;
    height: calc(100vh - 80px);
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: var(--spacing-xxxl);
    gap: var(--spacing-xxl);
    transform: translateX(100%);
    transition: transform var(--transition-speed);
    box-shadow: -5px 0px 15px rgba(0,0,0,0.1);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .hamburger {
    display: block;
  }
  
  .hamburger.toggled span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .hamburger.toggled span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.toggled span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }

  .dropdown-content {
      position: static;
      box-shadow: none;
      background: none;
      padding: 0;
      min-width: unset;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--spacing-m);
      text-align: center;
  }
  
  .dropdown:hover .dropdown-content {
      display: flex;
  }
  
  .dropdown > a {
      pointer-events: none;
  }

  .contact-grid {
      grid-template-columns: 1fr;
  }
  #cookie-banner{
    flex-direction: column;
    text-align: center;
  }
}