@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #2C3E50;
  --color-secondary: #34495E;
  --color-accent-blue: #3498DB;
  --color-accent-green: #2ECC71;
  --color-accent-yellow: #F1C40F;
  --color-text: #2C3E50;
  --color-text-light: #7F8C8D;
  --color-bg-light: #ECF0F1;
  --color-bg-white: #FFFFFF;
  --spacing-base: 8px;
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg-white);
  line-height: 1.6;
  font-size: 18px;
}

h1 {
  font-family: 'Oswald', sans-serif;
  font-size: 64px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing-base) * 3);
  color: var(--color-primary);
}

h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: calc(var(--spacing-base) * 2.5);
  color: var(--color-primary);
}

h3 {
  font-family: 'Inter', sans-serif;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: calc(var(--spacing-base) * 2);
  color: var(--color-primary);
}

p {
  margin-bottom: calc(var(--spacing-base) * 2.5);
  color: var(--color-text);
  line-height: 1.8;
}

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

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

header {
  background-color: var(--color-primary);
  padding: calc(var(--spacing-base) * 2) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-base) * 1.5);
}

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

.logo-text {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-bg-white);
  letter-spacing: 1px;
}

.logo-text a {
  color: var(--color-bg-white);
}

.logo-text a:hover {
  color: var(--color-accent-blue);
}

nav ul {
  list-style: none;
  display: flex;
  gap: calc(var(--spacing-base) * 3);
  flex-wrap: wrap;
}

nav a {
  color: var(--color-bg-white);
  font-weight: 500;
  font-size: 16px;
  padding: calc(var(--spacing-base) * 0.5) calc(var(--spacing-base) * 1);
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

nav a:hover {
  color: var(--color-accent-blue);
  border-bottom: 2px solid var(--color-accent-blue);
  text-decoration: none;
}

nav a.active {
  color: var(--color-accent-blue);
  border-bottom: 2px solid var(--color-accent-blue);
}

footer {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: calc(var(--spacing-base) * 10) calc(var(--spacing-base) * 2);
  margin-top: calc(var(--spacing-base) * 15);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-base) * 5);
  margin-bottom: calc(var(--spacing-base) * 5);
}

.footer-section h3 {
  color: var(--color-bg-white);
  font-size: 18px;
  margin-bottom: calc(var(--spacing-base) * 2);
}

.footer-section p,
.footer-section a,
.footer-section ul {
  font-size: 14px;
  line-height: 1.8;
}

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

.footer-section ul li {
  margin-bottom: calc(var(--spacing-base) * 1);
}

.footer-section a {
  color: #BDC3C7;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-accent-blue);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: calc(var(--spacing-base) * 3);
  text-align: center;
  font-size: 14px;
  color: #BDC3C7;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
}

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

section.full-width {
  width: 100%;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
}

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

.section-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: calc(var(--spacing-base) * 5);
  align-items: center;
  margin-bottom: calc(var(--spacing-base) * 5);
}

.grid-2 img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-base) * 3);
}

.card {
  background-color: var(--color-bg-white);
  padding: calc(var(--spacing-base) * 3);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card h3 {
  color: var(--color-accent-blue);
  margin-bottom: calc(var(--spacing-base) * 1.5);
}

.card p {
  font-size: 16px;
  color: var(--color-text-light);
}

.icon {
  font-size: 32px;
  color: var(--color-accent-blue);
  margin-bottom: calc(var(--spacing-base) * 1);
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 3);
  background-color: var(--color-accent-blue);
  color: var(--color-bg-white);
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
}

.btn:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
  background-color: var(--color-accent-green);
}

.btn-secondary:hover {
  background-color: #27AE60;
}

.disclaimer {
  background-color: var(--color-bg-light);
  padding: calc(var(--spacing-base) * 3);
  border-left: 4px solid var(--color-accent-blue);
  margin: calc(var(--spacing-base) * 5) 0;
  border-radius: var(--radius);
}

.disclaimer h3 {
  color: var(--color-accent-blue);
  font-size: 18px;
  margin-bottom: calc(var(--spacing-base) * 1);
}

.disclaimer p {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 0;
  line-height: 1.7;
}

.hero {
  min-height: 60vh;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.8) 0%, rgba(52, 152, 219, 0.6) 100%),
              url(images/img-1-hero.jpg) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-bg-white);
  padding: calc(var(--spacing-base) * 10) calc(var(--spacing-base) * 2);
}

.hero h1 {
  color: var(--color-bg-white);
  font-size: 56px;
  margin-bottom: calc(var(--spacing-base) * 3);
}

.hero p {
  color: #BDC3C7;
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto calc(var(--spacing-base) * 3);
}

.list-styled {
  list-style: none;
  margin: calc(var(--spacing-base) * 2) 0;
}

.list-styled li {
  padding: calc(var(--spacing-base) * 1.5) 0;
  padding-left: calc(var(--spacing-base) * 4);
  position: relative;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.8;
}

.list-styled li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent-blue);
  font-weight: bold;
}

form {
  max-width: 600px;
  margin: calc(var(--spacing-base) * 5) auto;
}

.form-group {
  margin-bottom: calc(var(--spacing-base) * 3);
}

label {
  display: block;
  margin-bottom: calc(var(--spacing-base) * 1);
  font-weight: 600;
  color: var(--color-primary);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: calc(var(--spacing-base) * 1.5);
  border: 1px solid #BDC3C7;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--color-text);
  transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  padding: calc(var(--spacing-base) * 2.5);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: none;
}

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

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--spacing-base) * 3);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
  min-width: 250px;
}

.cookie-buttons {
  display: flex;
  gap: calc(var(--spacing-base) * 1.5);
  flex-wrap: wrap;
}

.cookie-btn {
  padding: calc(var(--spacing-base) * 1) calc(var(--spacing-base) * 2);
  border: none;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cookie-btn-accept {
  background-color: var(--color-accent-blue);
  color: var(--color-bg-white);
}

.cookie-btn-accept:hover {
  background-color: #2980B9;
}

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

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

.cookie-btn-learn {
  background-color: var(--color-accent-yellow);
  color: var(--color-primary);
}

.cookie-btn-learn:hover {
  background-color: #F39C12;
}

@media (max-width: 768px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  h3 {
    font-size: 20px;
  }

  body {
    font-size: 16px;
  }

  p {
    font-size: 16px;
  }

  .header-container {
    flex-direction: column;
    gap: calc(var(--spacing-base) * 1.5);
  }

  nav ul {
    flex-direction: column;
    gap: calc(var(--spacing-base) * 1);
    text-align: center;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 40vh;
  }

  .hero h1 {
    font-size: 36px;
  }

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

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
    text-align: center;
  }

  section {
    padding: calc(var(--spacing-base) * 6) 0;
  }

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