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

:root {
  --color-bg: #F0F2F5;
  --color-accent-dark: #607D8B;
  --color-accent-teal: #A8DADC;
  --color-accent-gold: #FFD166;
  --color-text: #2C3E50;
  --color-text-light: #657383;
  --color-white: #FFFFFF;
  --spacing-unit: 16px;
  --border-radius: 2px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-unit);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

h2 {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin: calc(var(--spacing-unit) * 2) 0 var(--spacing-unit);
  color: var(--color-text);
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin: var(--spacing-unit) 0 calc(var(--spacing-unit) * 0.5);
  color: var(--color-text);
}

p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-unit);
  color: var(--color-text-light);
}

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

a:hover {
  color: var(--color-accent-teal);
}

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

.container {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-unit);
}

.container-content {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-unit);
}

header {
  background-color: var(--color-white);
  border-bottom: 1px solid #E8EBF0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-unit) * 0.75) 0;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--spacing-unit);
  padding-right: var(--spacing-unit);
}

header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: 2px;
}

header .logo a {
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

header .logo img {
  width: 32px;
  height: 32px;
}

header ul {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-unit) * 1.5);
  align-items: center;
}

header ul li a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: 2px;
}

header ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-teal);
  transition: width 0.3s ease;
}

header ul li a:hover::after {
  width: 100%;
}

footer {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  padding: calc(var(--spacing-unit) * 3) var(--spacing-unit);
  margin-top: calc(var(--spacing-unit) * 4);
}

footer .footer-content {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

footer h3 {
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-unit);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

footer p, footer li {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}

footer a {
  color: var(--color-accent-gold);
}

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

footer ul {
  list-style: none;
  padding: 0;
}

footer ul li {
  margin-bottom: 0.5rem;
}

footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-unit);
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.section-hero {
  background: linear-gradient(135deg, rgba(160, 218, 220, 0.3) 0%, rgba(255, 209, 102, 0.1) 100%);
  padding: calc(var(--spacing-unit) * 6) var(--spacing-unit);
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.section-hero-content {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 2);
  align-items: center;
}

.section-hero-text h1 {
  color: var(--color-accent-dark);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.section-hero-text p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-unit);
  color: var(--color-text-light);
}

.section-hero-image {
  position: relative;
  width: 100%;
  height: 350px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.section-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: calc(var(--spacing-unit) * 4) var(--spacing-unit);
  border-top: 1px solid #E8EBF0;
}

.section-alternate {
  background-color: rgba(160, 218, 220, 0.05);
}

.section-two-column {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 3);
  align-items: center;
}

.section-two-column.reverse {
  direction: rtl;
}

.section-two-column.reverse > * {
  direction: ltr;
}

.section-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  min-height: 300px;
}

.section-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-text h2 {
  color: var(--color-accent-dark);
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.section-three-column {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 2);
}

.card {
  background-color: var(--color-white);
  padding: calc(var(--spacing-unit) * 1.5);
  border: 1px solid #E8EBF0;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--color-accent-teal);
  box-shadow: 0 4px 12px rgba(168, 218, 220, 0.1);
  transform: translateY(-2px);
}

.card h3 {
  color: var(--color-accent-dark);
  margin-bottom: var(--spacing-unit);
}

.card-image {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: var(--spacing-unit);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.glossary-rail {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-accent-teal);
  padding: calc(var(--spacing-unit) * 1.5);
  margin: calc(var(--spacing-unit) * 2) 0;
}

.glossary-item {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  padding-bottom: calc(var(--spacing-unit) * 1.5);
  border-bottom: 1px solid #E8EBF0;
}

.glossary-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.glossary-item dt {
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 4px;
}

.glossary-item dd {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-unit);
  margin: calc(var(--spacing-unit) * 2) 0;
}

.stat-item {
  background-color: rgba(96, 125, 139, 0.05);
  padding: calc(var(--spacing-unit) * 1.5);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: var(--border-radius);
}

.stat-item strong {
  display: block;
  font-size: 1.5rem;
  color: var(--color-accent-dark);
  margin-bottom: 4px;
}

.stat-item span {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

button, .btn {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  border: none;
  padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

button:hover, .btn:hover {
  background-color: var(--color-accent-teal);
  transform: translateY(-2px);
}

button:active, .btn:active {
  transform: translateY(0);
}

input, textarea {
  width: 100%;
  padding: calc(var(--spacing-unit) * 0.75);
  margin-bottom: var(--spacing-unit);
  border: 1px solid #D5DADC;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent-teal);
  box-shadow: 0 0 0 3px rgba(168, 218, 220, 0.1);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
}

form {
  max-width: 600px;
  margin: calc(var(--spacing-unit) * 2) 0;
}

.disclaimer {
  background-color: rgba(96, 125, 139, 0.08);
  border-left: 4px solid var(--color-accent-dark);
  padding: var(--spacing-unit);
  margin: calc(var(--spacing-unit) * 2) 0;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.educational-badge {
  background-color: var(--color-accent-gold);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: var(--spacing-unit);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  padding: calc(var(--spacing-unit) * 1.5);
  z-index: 999;
  display: none;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.15);
}

.cookie-banner.show {
  display: block;
}

.cookie-banner-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-unit);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: calc(var(--spacing-unit) * 2);
  align-items: center;
}

.cookie-banner-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--spacing-unit);
}

.cookie-banner button {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  white-space: nowrap;
}

.cookie-banner .btn-secondary {
  background-color: transparent;
  border: 1px solid var(--color-white);
  color: var(--color-white);
}

.cookie-banner .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.list-styled {
  list-style: none;
  padding: 0;
  margin: var(--spacing-unit) 0;
}

.list-styled li {
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  position: relative;
  color: var(--color-text-light);
}

.list-styled li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--color-accent-gold);
  font-weight: bold;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .section-hero {
    padding: calc(var(--spacing-unit) * 4) var(--spacing-unit);
    min-height: auto;
  }

  .section-hero-content {
    grid-template-columns: 1fr;
  }

  .section-two-column {
    grid-template-columns: 1fr;
  }

  .section-three-column {
    grid-template-columns: 1fr;
  }

  header ul {
    gap: var(--spacing-unit);
  }

  header ul li a {
    font-size: 0.85rem;
  }

  .cookie-banner-content {
    grid-template-columns: 1fr;
  }

  .cookie-banner-buttons {
    flex-direction: column;
  }

  footer .footer-content {
    grid-template-columns: 1fr;
  }
}