/* ------------------------------------------------------------------ */
/* Features page spotlight layout */

/* Container for each core module spotlight. Flex allows alternating ordering. */
.feature-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
}

/* Even rows show image on the left by reversing the order */
.feature-item:nth-of-type(even) {
  flex-direction: row-reverse;
}

.feature-item img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.feature-item h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

.feature-item p {
  color: var(--color-text);
}
/*
 * Global Styles for LuminaPath.ai
 *
 * This stylesheet defines the modern, sleek look for all pages of the LuminaPath
 * website. A neutral dark theme is paired with bright accent colors to echo
 * contemporary tech design. Layouts leverage CSS Grid and Flexbox for
 * responsiveness, while subtle animations enliven interactive elements.
 */

/* Import Inter for body copy and Manrope for headings */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

/* CSS Reset and root variables */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* Color palette inspired by aurora and modern tech UIs */
:root {
  /* Global design system palette */
  --color-dark: #0B132B;        /* Deep Navy for headings and dark backgrounds */
  --color-background: #FDFEFE;  /* Off‑white for page backgrounds */
  --color-accent: #00A79D;      /* Teal for primary actions and highlights */
  --color-neutral: #EAEBEF;     /* Light gray for borders, dividers, inactive states */
  --color-heading: var(--color-dark);
  --color-text: #374151;        /* Slightly muted dark gray for body text */
  --card-bg: #ffffff;
  --card-border: var(--color-neutral);
  --card-shadow: 0 4px 12px rgba(0,0,0,0.05);
  --radius: 12px;
  --transition: 0.3s ease;

  /* Legacy variable aliases for backwards compatibility */
  --primary: var(--color-accent);
  --secondary: var(--color-accent);
  --accent: var(--color-heading);
  --text-primary: var(--color-text);
  --text-secondary: var(--color-text);
  --light-bg: var(--card-bg);
  --dark-bg: var(--color-background);
  --card-highlight: var(--color-neutral);
  --shadow: var(--card-shadow);
}

/* Utility classes */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 0;
}

h1, h2, h3 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

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

/* Navigation bar */
header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
  /* Light header background */
  background: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  /* Increase gap between logo and text for breathing room */
  gap: 0.75rem;
  margin-right: 1rem;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 600;
}

.nav-brand img {
  /* Adjusted logo sizing and shape for better integration */
  /* Increase logo size in the header to give it more presence */
  /* Further increase logo size for prominence in the header */
  /* Further increase logo size to anchor the brand prominently */
  height: 64px;
  width: 64px;
  object-fit: contain;
  border-radius: 50%;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav li a {
  color: var(--color-heading);
  font-weight: 600;
  transition: color var(--transition);
}

nav li a:hover,
nav li a.active {
  color: var(--color-accent);
}

/* Hamburger for mobile */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--color-heading);
  transition: transform var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--color-background);
  padding: 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.mobile-menu li {
  margin-bottom: 0.75rem;
  list-style: none;
}

/* Hero section */
.hero {
  padding: 4rem 0;
  text-align: center;
  /* Soft gradient for hero sections using neutral tones */
  background: linear-gradient(180deg, var(--color-background) 0%, var(--color-neutral) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
  transform: rotate(45deg);
}

.hero h1 {
  font-size: clamp(2rem, 5vw + 1rem, 3rem);
  margin-bottom: 1rem;
}

.hero p {
  font-size: clamp(1rem, 2vw + 0.5rem, 1.3rem);
  max-width: 700px;
  margin: 0 auto 2rem auto;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform var(--transition), background-color var(--transition);
}

.btn:hover {
  background-color: var(--secondary);
  transform: translateY(-2px);
}

/* Cards for highlights and features */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* New feature cards grid for Features page */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Special education card grid */
.special-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

/* Card styling for special education principles */
.special-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 2rem 1.5rem;
  text-align: left;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

.special-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.special-card .icon {
  height: 50px;
  width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-neutral);
  color: var(--color-accent);
  border-radius: 50%;
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

.special-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.special-card p {
  color: var(--color-text);
  margin-bottom: 0;
}

/* Stepper component for special education process */
.stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.step {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  flex: 1 1 calc(50% - 1.5rem);
  padding: 1.5rem;
  min-width: 240px;
  position: relative;
}

@media (min-width: 992px) {
  .stepper {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .step {
    flex: 1 1 22%;
  }
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.step p {
  color: var(--color-text);
  margin: 0;
}

@media (min-width: 768px) {
  /* On tablet and larger screens, lock feature cards into two columns for balanced layout */
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.feature-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.25rem;
  margin: 1rem;
  color: var(--color-heading);
}

.feature-card p {
  margin: 0 1rem 1.5rem 1rem;
  color: var(--color-text);
  flex-grow: 1;
}

.feature-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

/* Diagram cards on features page */
.diagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.diagram-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  text-align: center;
}

.diagram-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.diagram-card h3 {
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}
.diagram-card p {
  color: var(--color-text);
}

/* Standardize logo appearance in header and footer */
.footer-container img {
  /* Increase logo size in the footer for better visibility */
  /* Further increase logo size for prominence in the footer */
  /* Match the header logo scale for consistent visual weight */
  /* Double the size of the footer logo to serve as a strong anchor */
  height: 128px;
  width: 128px;
  border-radius: 8px;
  object-fit: contain;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: background-color var(--transition), transform var(--transition);
}

.card:hover {
  background-color: var(--card-highlight);
  transform: translateY(-4px);
}

.card img.icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  filter: invert(70%) sepia(10%) saturate(300%) hue-rotate(180deg) brightness(100%);
}

.card h3 {
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.card p {
  color: var(--text-secondary);
}

/* Learning Twin section */
.twin-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 4rem;
}

.twin-section img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.twin-content ul {
  list-style: none;
  margin-top: 1rem;
}

.twin-content li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.75rem;
  color: var(--text-secondary);
}

.twin-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: var(--primary);
}

/* Chart section */
.chart-section {
  margin-top: 4rem;
  background-color: var(--light-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.chart-section canvas {
  max-width: 100%;
}

/* Feature details (features.html) */
.feature-section {
  margin-top: 3rem;
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.feature-item:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}

.feature-item img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-item h3 {
  margin-bottom: 1rem;
  color: var(--secondary);
}

.feature-item p {
  color: var(--text-secondary);
}

/* Mermaid diagram container */
.mermaid-container {
  background-color: var(--card-bg);
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-top: 2rem;
  box-shadow: var(--shadow);
}

/* Testimonials */
.testimonials {
  margin-top: 4rem;
}

.testimonial {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.testimonial p {
  font-style: italic;
  margin-bottom: 0.5rem;
}

.testimonial span {
  display: block;
  font-weight: 500;
  color: var(--secondary);
}

/* Special page styles */
.special-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.special-grid .special-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition);
}

.special-grid .special-card:hover {
  transform: translateY(-4px);
}

.special-grid .special-card h3 {
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.special-grid .special-card p {
  color: var(--color-text);
}

/* Timeline for news */
.timeline {
  position: relative;
  margin: 4rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 1.5rem 2rem;
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.timeline-item:nth-child(odd) {
  left: 0;
  transform: translateX(-10%);
}

.timeline-item:nth-child(even) {
  left: 50%;
  transform: translateX(10%);
}

.timeline-item::after {
  content: '';
  position: absolute;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--secondary);
  border: 3px solid var(--light-bg);
  z-index: 10;
}

.timeline-item:nth-child(odd)::after {
  right: -6px;
}

.timeline-item:nth-child(even)::after {
  left: -6px;
}

.timeline-item h3 {
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.timeline-item small {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Social page styles */
.social-section {
  margin-top: 2rem;
}

.social-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.social-card {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  border-top: 4px solid var(--color-accent);
  box-shadow: var(--card-shadow);
}

.social-card h3 {
  color: var(--color-heading);
  margin-bottom: 0.75rem;
}

.social-card p {
  color: var(--color-text);
}

/* FAQ styles */
.faq-section {
  margin-top: 3rem;
}

.accordion {
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.accordion-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  cursor: pointer;
  color: var(--secondary);
  font-weight: 500;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
  padding-right: 1rem;
}

.accordion-content p {
  padding-bottom: 1rem;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

/* Contact form */
.contact-form {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 2rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: none;
  border-radius: var(--radius);
  background-color: var(--card-bg);
  color: var(--color-text);
}

.contact-form button {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--radius);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition);
}

.contact-form button:hover {
  background-color: var(--color-dark);
}

.contact-success {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 1rem;
  border-radius: var(--radius);
  display: none;
  margin-top: 1rem;
  text-align: center;
  font-weight: 500;
}

/* ------------------------------------------------------------------ */
/* News & Insights styles */

/* Grid for displaying news articles responsively */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

/* Individual news card styling */
.news-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.news-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text);
}

.news-tag {
  color: var(--color-accent);
  font-weight: 600;
}

.news-date {
  color: var(--color-heading);
}

.news-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.125rem;
  margin: 0.5rem 1rem;
  color: var(--color-heading);
}

.news-card p {
  flex-grow: 1;
  margin: 0 1rem 1rem 1rem;
  color: var(--color-text);
}

.news-card a.btn {
  margin: 0 1rem 1rem 1rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* Secondary button style used in filters and other non-primary actions */
.btn-secondary {
  display: inline-block;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background-color: transparent;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding: 2rem 0;
  background-color: var(--color-dark);
  color: #ffffff;
  border-top: 1px solid var(--color-dark);
}

footer .footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
}

footer h4 {
  margin-bottom: 0.5rem;
  color: #ffffff;
}

footer a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

footer a:hover {
  color: #ffffff;
}

footer ul {
  list-style: none;
}

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

footer .social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-icons a {
  color: var(--accent);
  font-size: 1.4rem;
  transition: color var(--transition);
}

.social-icons a:hover {
  color: var(--primary);
}

/* Responsive styles */
@media (max-width: 768px) {
  nav ul {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
  .twin-section {
    grid-template-columns: 1fr;
  }
  .feature-item {
    grid-template-columns: 1fr;
  }
  .timeline::before {
    left: 8px;
  }
  .timeline-item {
    width: 100%;
    margin-left: 2rem;
    transform: none !important;
    padding-left: 2rem;
  }
  .timeline-item::after {
    left: -20px;
  }
}

/* CounselX intro section styling */
.counselx-intro {
  background: var(--card-bg);
  padding: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.counselx-intro h2 {
  margin-top: 0;
  color: var(--primary);
}
.counselx-intro ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-top: 1rem;
}
.counselx-intro li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

/* ------------------------------------------------------------------ */
/* Home Page Specific Styles                                          */
/* These rules tailor the hero, feature grid, learning twin and chart */
/* sections on the home page to create a dynamic, engaging landing    */
/* experience.                                                        */

/* Full-bleed hero section for the home page */
.hero-home {
  position: relative;
  background-image: url('homepage_bg.png');
  background-size: cover;
  background-position: center;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  padding: 2rem;
}

.hero-home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Dark gradient overlay ensures text legibility on busy backgrounds */
  background: linear-gradient(180deg, rgba(11,19,43,0.7) 0%, rgba(11,19,43,0.4) 100%);
  z-index: 0;
}

.hero-home .hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-home h1 {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2.5rem, 6vw + 1rem, 4rem);
  margin-bottom: 1rem;
  color: #ffffff;
}

.hero-home p {
  font-size: clamp(1rem, 2vw + 0.5rem, 1.5rem);
  margin-bottom: 2rem;
  color: #e5e8ee;
}

/* Primary call-to-action button styling for hero */
.cta-btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Three-column grid used on home page highlight section */
.card-grid.three-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Card styling for highlight and feature lists */
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.feature-card .icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* Learning Twin section styling */
.twin-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  margin-top: 4rem;
}

.twin-left, .twin-right {
  flex: 1 1 45%;
}

.twin-right img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.checklist {
  list-style: none;
  margin-top: 1rem;
  padding-left: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.checklist li::before {
  content: '\2714';
  color: var(--color-accent);
  font-weight: 700;
  margin-top: 2px;
}

/* Chart container styling */
.chart-section {
  margin-top: 4rem;
}

.chart-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.chart-card h2 {
  font-family: 'Manrope', sans-serif;
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.chart-card p {
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.chart-wrapper {
  width: 100%;
  height: 320px;
  position: relative;
}

/* Overlay label within charts highlighting added value */
.chart-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.8);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  pointer-events: none;
}

/* ------------------------------------------------------------------ */
/* Social Impact Page Styles                                          */
/* These classes customize the hero and value grid on the Social page */

/* Social Impact hero: full‑width abstract background with dark overlay and white type */
.social-hero {
  position: relative;
  background-image: url('social_bg.png');
  background-size: cover;
  background-position: center;
  padding: 6rem 0;
  text-align: center;
  color: #ffffff;
}
/* Dark overlay to improve contrast on the hero image */
.social-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11,19,43,0.7);
  z-index: 0;
}
.social-hero .container {
  position: relative;
  z-index: 1;
}
.social-hero-content h1 {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
  margin-bottom: 1rem;
  color: #ffffff;
}
.social-hero-content p {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  color: #e5e8ee;
}
.social-hero-content .sdg-icon {
  width: 120px;
  height: auto;
  margin-top: 1rem;
}

.values-section {
  margin-top: 4rem;
}

.values-section h2 {
  font-family: 'Manrope', sans-serif;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-heading);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.value-card {
  background: var(--card-bg);
  border: none;
  border-top: 6px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.value-card .value-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* ------------------------------------------------------------------ */
/* Interactive Learning Twin component styles */

.learning-twin-section {
  margin-top: 4rem;
}

.learning-twin-section h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-heading);
}

.twin-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.twin-tab {
  background: none;
  border: 2px solid var(--color-neutral);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  color: var(--color-heading);
}

.twin-tab.active {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.twin-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.twin-text {
  flex: 1 1 300px;
}

.twin-visual {
  flex: 1 1 300px;
  text-align: center;
}

.twin-visual img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.twin-text h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.twin-text p {
  color: var(--color-text);
}

/* ------------------------------------------------------------------ */

/* Footer logo sizing and shape */
footer .footer-container img {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  object-fit: contain;
}