:root {
  --primary-color: #1C3A5A;
  --secondary-color: #F2C94C;
  --accent-green: #27AE60;
  --light-gray: #E0E0E0;
  --text-dark: #333333;
  --text-light: #FFFFFF;
  --spacing-unit: 8px;
}

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

body {
  font-family: 'Open Sans', 'Source Sans Pro', sans-serif;
  color: var(--text-dark);
  background-color: #FFFFFF;
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Lato', sans-serif;
  color: var(--primary-color);
  font-weight: 600;
  margin: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 2) 0;
}

h1 {
  font-size: 48px;
  font-weight: 300;
  letter-spacing: -0.5px;
  margin-bottom: calc(var(--spacing-unit) * 3);
  line-height: 1.2;
}

h2 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

p {
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--text-dark);
  line-height: 1.8;
}

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

a:hover {
  color: var(--secondary-color);
}

header {
  background-color: var(--primary-color);
  padding: calc(var(--spacing-unit) * 2) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 4);
}

header .logo {
  color: var(--text-light);
  font-size: 24px;
  font-weight: 700;
  cursor: pointer;
}

header .logo img {
  height: 40px;
  width: auto;
}

header nav ul {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-unit) * 4);
}

header nav a {
  color: var(--text-light);
  font-size: 14px;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: var(--secondary-color);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 4);
}

.section {
  padding: calc(var(--spacing-unit) * 10) 0;
}

.section-light {
  background-color: #FFFFFF;
}

.section-gray {
  background-color: var(--light-gray);
}

.section-dark {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--text-light);
}

.hero {
  background: linear-gradient(rgba(28, 58, 90, 0.7), rgba(28, 58, 90, 0.7)), url('images/img-hero.jpg') center/cover no-repeat;
  padding: calc(var(--spacing-unit) * 15) 0;
  color: var(--text-light);
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero h1 {
  color: var(--text-light);
  font-size: 56px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.hero p {
  color: var(--text-light);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
  margin-bottom: calc(var(--spacing-unit) * 8);
}

.row.reverse {
  direction: rtl;
}

.row.reverse > * {
  direction: ltr;
}

.row img {
  width: 100%;
  height: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.card {
  background-color: #FFFFFF;
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.card h3 {
  color: var(--primary-color);
  margin-top: 0;
}

.card-icon {
  font-size: 36px;
  color: var(--secondary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 4);
  background-color: var(--primary-color);
  color: var(--text-light);
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1.5);
}

.btn:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

footer {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: calc(var(--spacing-unit) * 8) 0;
  margin-top: calc(var(--spacing-unit) * 12);
}

footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

footer h3 {
  color: var(--secondary-color);
}

footer a {
  color: var(--text-light);
}

footer a:hover {
  color: var(--secondary-color);
}

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

footer ul li {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}

footer .divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: calc(var(--spacing-unit) * 4) 0;
  padding-top: calc(var(--spacing-unit) * 4);
  text-align: center;
  font-size: 12px;
  opacity: 0.8;
}

form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

label {
  display: block;
  margin-bottom: calc(var(--spacing-unit) * 1.5);
  font-weight: 600;
  color: var(--text-dark);
}

input[type="email"],
textarea {
  width: 100%;
  padding: calc(var(--spacing-unit) * 2);
  border: 1px solid var(--light-gray);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  background-color: #FFFFFF;
  color: var(--text-dark);
  transition: border-color 0.3s ease;
}

input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(28, 58, 90, 0.1);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 4);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.2);
  display: none;
  z-index: 1000;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--spacing-unit) * 3);
}

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

.cookie-banner p {
  margin: 0;
  font-size: 14px;
  flex: 1;
}

.cookie-banner-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
}

.cookie-banner button {
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cookie-banner .btn-accept {
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

.cookie-banner .btn-accept:hover {
  background-color: #f0c444;
}

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

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

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

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

.disclaimer {
  background-color: var(--light-gray);
  padding: calc(var(--spacing-unit) * 4);
  border-left: 4px solid var(--accent-green);
  margin: calc(var(--spacing-unit) * 4) 0;
  border-radius: 2px;
}

.disclaimer h3 {
  margin-top: 0;
  color: var(--primary-color);
}

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

.disclaimer p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }

  h3 {
    font-size: 18px;
  }

  header nav {
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
    padding: 0 calc(var(--spacing-unit) * 2);
  }

  header nav ul {
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
    text-align: center;
  }

  .row {
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 4);
  }

  .hero {
    padding: calc(var(--spacing-unit) * 8) 0;
    min-height: 300px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    bottom: auto;
    top: 0;
  }

  .cookie-banner p {
    margin-bottom: calc(var(--spacing-unit) * 2);
  }

  .cookie-banner-buttons {
    width: 100%;
  }

  .cookie-banner button {
    flex: 1;
    min-width: 100px;
  }
}