/* ============================================
   UNSCREEN - Teen Screen Health Resource Site
   Stylesheet
   ============================================ */

/* ============================================
   1. ROOT & GLOBAL STYLES
   ============================================ */

:root {
  --primary-blue: #3454D1;
  --forest-green: #5B6F53;
  --dark-text: #1F231F;
  --cream-bg: #FFFFEB;
  --transition: all 0.3s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Verdana', sans-serif;
  color: var(--dark-text);
  background-color: var(--cream-bg);
  line-height: 1.6;
  font-size: 16px;
}

/* ============================================
   2. TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Arial Narrow', Arial, sans-serif;
  color: var(--dark-text);
  margin-bottom: 1rem;
  font-weight: bold;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.4;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

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

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

/* ============================================
   3. HEADER & BANNER
   ============================================ */

header {
  background-color: var(--cream-bg);
  border-bottom: 3px solid var(--forest-green);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.banner {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--forest-green), var(--primary-blue));
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.banner:hover {
  opacity: 0.9;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(31, 35, 31, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.banner-title {
  font-family: 'Arial Narrow', Arial, sans-serif;
  font-size: 3.5rem;
  color: var(--cream-bg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: bold;
  letter-spacing: 2px;
}

/* ============================================
   4. NAVIGATION
   ============================================ */

nav {
  background-color: var(--forest-green);
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

nav li {
  margin: 0;
}

nav a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--cream-bg);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

nav a:hover {
  background-color: var(--primary-blue);
  color: var(--cream-bg);
  text-decoration: none;
  border-bottom-color: var(--cream-bg);
}

nav a.active {
  background-color: var(--primary-blue);
  border-bottom-color: var(--cream-bg);
}

/* ============================================
   5. MAIN CONTENT CONTAINER
   ============================================ */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: calc(100vh - 400px);
}

section {
  margin-bottom: 3rem;
}

/* ============================================
   6. LANDING PAGE STYLES
   ============================================ */

.hero-section {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(52, 84, 209, 0.1), rgba(91, 111, 83, 0.1));
  border-radius: 8px;
  border-left: 5px solid var(--primary-blue);
}

.tagline {
  font-size: 1.8rem;
  color: var(--primary-blue);
  font-weight: bold;
  margin-bottom: 1rem;
  font-family: 'Arial Narrow', Arial, sans-serif;
}

.cta-button {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--cream-bg);
  padding: 1rem 2.5rem;
  border-radius: 5px;
  font-weight: bold;
  font-size: 1.1rem;
  transition: var(--transition);
  border: 2px solid var(--primary-blue);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button:hover {
  background-color: var(--forest-green);
  border-color: var(--forest-green);
  color: var(--cream-bg);
  text-decoration: none;
}

.introduction {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  border: 2px solid var(--forest-green);
  margin-top: 2rem;
}

.introduction h2 {
  color: var(--forest-green);
  margin-bottom: 1.5rem;
}

/* ============================================
   7. LIBRARY PAGE STYLES
   ============================================ */

.library-tagline {
  text-align: center;
  font-size: 1.3rem;
  color: var(--forest-green);
  margin-bottom: 2rem;
  font-style: italic;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.card {
  background-color: white;
  border: 2px solid var(--primary-blue);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border-color: var(--forest-green);
}

.card h3 {
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.card p {
  font-size: 0.95rem;
  color: var(--dark-text);
}

.card a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1.5rem;
  background-color: var(--primary-blue);
  color: var(--cream-bg);
  border-radius: 4px;
  font-weight: bold;
  transition: var(--transition);
}

.card a:hover {
  background-color: var(--forest-green);
  text-decoration: none;
}

/* ============================================
   8. RESOURCES PAGE STYLES
   ============================================ */

.resources-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 2rem;
}

.resource-category {
  background-color: white;
  border: 2px solid var(--forest-green);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.resource-category h3 {
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--primary-blue);
  padding-bottom: 0.5rem;
}

.resource-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 1rem;
}

.resource-item {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-weight: bold;
  color: white;
  text-align: center;
  font-size: 0.8rem;
  padding: 0.5rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.resource-item:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Color variations for resource items */
.resource-item.color-1 { background-color: #E74C3C; }
.resource-item.color-2 { background-color: #27AE60; }
.resource-item.color-3 { background-color: #3498DB; }
.resource-item.color-4 { background-color: #E91E63; }
.resource-item.color-5 { background-color: #F39C12; }
.resource-item.color-6 { background-color: #9B59B6; }

/* ============================================
   9. CATALOGUE PAGE STYLES
   ============================================ */

.catalogue-header {
  background-color: var(--primary-blue);
  color: var(--cream-bg);
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.catalogue-header h2 {
  color: var(--cream-bg);
  margin-bottom: 0.5rem;
}

.filter-section {
  background-color: white;
  border: 2px solid var(--primary-blue);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
}

.filter-group label {
  font-weight: bold;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.filter-group select,
.filter-group input {
  padding: 0.7rem;
  border: 1px solid var(--forest-green);
  border-radius: 4px;
  font-family: 'Verdana', sans-serif;
  font-size: 0.95rem;
  background-color: var(--cream-bg);
  color: var(--dark-text);
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 5px rgba(52, 84, 209, 0.3);
}

.catalogue-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.catalogue-item {
  background-color: white;
  border: 2px solid var(--forest-green);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.catalogue-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-blue);
}

.catalogue-item h4 {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.catalogue-item .item-type {
  display: inline-block;
  background-color: var(--forest-green);
  color: var(--cream-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.catalogue-item .item-topic {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--cream-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-left: 0.3rem;
  font-weight: bold;
}

.catalogue-item p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ============================================
   10. GUIDE PAGE STYLES
   ============================================ */

.guide-section {
  background-color: white;
  border-left: 5px solid var(--primary-blue);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.guide-section h3 {
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

.guide-section p {
  color: var(--dark-text);
  line-height: 1.8;
}

.guide-steps {
  background-color: var(--cream-bg);
  border: 2px dashed var(--forest-green);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.guide-steps ol {
  margin-left: 1.5rem;
  line-height: 2;
}

.guide-steps li {
  margin-bottom: 0.8rem;
  color: var(--dark-text);
}

/* ============================================
   11. FOOTER
   ============================================ */

footer {
  background-color: var(--forest-green);
  color: var(--cream-bg);
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
  border-top: 3px solid var(--primary-blue);
}

footer p {
  margin-bottom: 0.5rem;
  color: var(--cream-bg);
}

footer a {
  color: var(--cream-bg);
  text-decoration: underline;
}

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

/* ============================================
   12. RESPONSIVE DESIGN
   ============================================ */

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

  h2 {
    font-size: 1.5rem;
  }

  .banner-title {
    font-size: 2.5rem;
  }

  nav ul {
    flex-direction: column;
  }

  nav a {
    padding: 0.8rem 1rem;
    font-size: 0.85rem;
  }

  main {
    padding: 1.5rem 1rem;
  }

  .card-container {
    grid-template-columns: 1fr;
  }

  .resources-container {
    grid-template-columns: 1fr;
  }

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

  .catalogue-items {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .hero-section {
    padding: 1.5rem;
  }

  .tagline {
    font-size: 1.5rem;
  }

  .cta-button {
    padding: 0.8rem 2rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .banner-title {
    font-size: 2rem;
  }

  nav a {
    padding: 0.6rem 0.8rem;
    font-size: 0.75rem;
  }

  main {
    padding: 1rem;
  }

  .catalogue-items {
    grid-template-columns: 1fr;
  }

  .resource-items {
    grid-template-columns: repeat(3, 1fr);
  }

  .resource-item {
    width: 60px;
    height: 60px;
    font-size: 0.7rem;
  }

  .tagline {
    font-size: 1.2rem;
  }

  .cta-button {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* ============================================
   13. ACCESSIBILITY & UTILITY CLASSES
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-blue);
  color: var(--cream-bg);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

.visually-hidden {
  display: none;
}

/* Focus styles for better keyboard navigation */
button:focus,
a:focus,
select:focus,
input:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ============================================
   END OF STYLESHEET
   ============================================ */