@import url('https://fonts.googleapis.com/css2?family=Frank+Ruhl+Libre:wght@400;500;700&family=Heebo:wght@400;500;700&display=swap');

:root {
  /* Colors */
  --color-primary: #800000;
  --color-secondary: #FFD700;
  --color-bg: #FDFBF7;
  --color-text: #333333;
  --color-white: #ffffff;
  --color-light-grey: #f0f0f0;

  /* Fonts */
  --font-heading: 'Frank Ruhl Libre', serif;
  --font-body: 'Heebo', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--spacing-sm);
}

/* Utility classes */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.bg-primary { background-color: var(--color-primary); color: var(--color-white); }
.bg-secondary { background-color: var(--color-secondary); color: var(--color-text); }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
  cursor: pointer;
  border: none;
}

.btn:hover {
  opacity: 0.9;
}

.btn:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.btn:focus:not(:focus-visible) {
  outline: none;
}

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

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

.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

@media (hover: hover) {
  .btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
  }
}

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

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

@media (hover: hover) {
  .btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    opacity: 1;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo a {
  display: flex;
  align-items: center;
}

.logo img {
  height: 48px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.2s;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.footer-container {
  text-align: center;
}

.organizers {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.organizer h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.organizer p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.contact-us {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  opacity: 0.8;
}

.contact-us a {
  color: inherit;
  text-decoration: underline;
  transition: opacity 0.2s;
}

.contact-us a:hover {
  opacity: 1;
}

.copyright {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
  .main-nav {
    display: none; /* Hidden by default on mobile, toggled via JS later */
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .mobile-menu-toggle {
    display: block;
    order: 3;
    margin-inline-end: 0;
  }

  .logo {
    order: 1;
  }

  .header-cta {
    order: 2;
    margin-inline-start: auto; /* Push away from Logo (on the start side) */
    margin-inline-end: var(--spacing-sm); /* Space between CTA and Hamburger (on the end side) */
  }

  .header-cta .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  
  .organizers {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

main > section:nth-of-type(odd) {
  background-color: var(--color-light-grey);
}

main > section:nth-of-type(even) {
  background-color: var(--color-bg);
}

/* Hero Section */
#hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-block: var(--spacing-xl);
  text-align: center;
  background-image: linear-gradient(rgba(128, 0, 0, 0.9), rgba(128, 0, 0, 0.9)), url('../images/nalanda.jpg');
  background-size: cover;
  background-position: center;
}

.hero-content {
  max-width: 800px;
  margin-inline: auto;
}

.hero-eyebrow {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: -3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  opacity: 0.9;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.9;
}

.hero-info-text {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.5;
}

.hero-info-text:last-of-type {
  margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
  .hero-eyebrow {
    font-size: 1.25rem;
  }
  
  .hero-info-text {
    font-size: 1.125rem;
  }
}

.hero-content a:not(.btn) {
  color: var(--color-secondary);
  text-decoration: underline;
  transition: color 0.2s;
}

.hero-content a:not(.btn):hover {
  color: var(--color-white);
  text-decoration: none;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}



.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-secondary);
  margin: var(--spacing-xs) auto 0;
}

/* Nalanda Tradition Section */
.nalanda-section {
  padding-block: var(--spacing-xl);
}

.nalanda-container {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nalanda-image {
  flex: 0 0 400px;
}

.nalanda-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.nalanda-text {
  flex: 1;
}

.nalanda-text ul {
  list-style: none;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.nalanda-text li {
  position: relative;
  padding-inline-start: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.nalanda-text li::before {
  content: '•';
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  inset-inline-start: 0;
}

@media (max-width: 768px) {
  .nalanda-container {
    flex-direction: column;
    text-align: center;
  }
  
  .nalanda-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
  }
  
  .nalanda-text {
    text-align: start;
  }
}

/* Course Structure Section */
.structure-section {
  padding-block: var(--spacing-xl);
}



/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
}




/* Curriculum Section */
.curriculum-section {
  padding-block: var(--spacing-xl);
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-sm);
  max-height: 500px;
  overflow: hidden;
  position: relative;
  transition: max-height 0.5s ease-out;
}

.curriculum-grid.expanded {
  max-height: 2000px; /* Arbitrary large height for transition */
}

/* Fade away effect */
.curriculum-grid::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to bottom, rgba(253, 251, 247, 0), var(--color-bg));
  pointer-events: none;
  transition: opacity 0.3s;
}

.curriculum-grid.expanded::after {
  opacity: 0;
}

.curriculum-item {
  background-color: var(--color-bg);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  border-inline-start: 3px solid var(--color-secondary);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.curriculum-item span {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
  min-width: 70px;
}

.curriculum-actions {
  text-align: center;
  margin-top: var(--spacing-md);
  width: 100%;
}

@media (max-width: 768px) {
  .teacher-container {
    flex-direction: column;
    text-align: center;
  }

  .teacher-bio {
    text-align: start;
  }
  
  .curriculum-grid {
    grid-template-columns: 1fr;
  }
}

/* Fees Section */
.fees-section {
  padding-block: var(--spacing-xl);
  text-align: center;
}

.section-note {
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  opacity: 0.8;
}

.fees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.fee-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  border-top: 4px solid transparent;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fee-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.fee-card.featured {
  border-top-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  z-index: 1;
}

.fee-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.15);
}

.fee-card h3 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-ils {
  font-size: 1rem;
  color: #666;
  margin-bottom: var(--spacing-xs);
}

.discount {
  color: #2e7d32; /* Green for discount */
  font-weight: 500;
  font-size: 0.9rem;
}



.register-cta-container {
  max-width: 600px;
  margin: 0 auto;
}

.register-cta-container .section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.btn-xl {
  padding: 1.25rem 3rem;
  font-size: 1.5rem;
}

/* Testimonials Section */
#testimonials {
  padding-block: var(--spacing-xl);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.testimonials-section .section-title {
  color: var(--color-secondary);
}

.testimonials-section .section-title::after {
  background-color: var(--color-white);
}

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

.testimonial-card {
  background-color: rgba(255,255,255,0.1);
  padding: var(--spacing-md);
  border-radius: 8px;
  position: relative;
}

.testimonial-card blockquote {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.testimonial-card cite {
  display: block;
  font-weight: 700;
  color: var(--color-secondary);
  font-style: normal;
}

@media (max-width: 768px) {
  .fee-card.featured {
    transform: none;
  }
}

/* FAQ Section */
.faq-section {
  padding-block: var(--spacing-xl);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid #eee;
}

.faq-question {
  width: 100%;
  text-align: start;
  background: none;
  border: none;
  padding: var(--spacing-md) 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question .icon {
  font-size: 1.5rem;
  font-weight: 400;
  transition: transform 0.3s;
}

.faq-question[aria-expanded="true"] .icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding-bottom: var(--spacing-md);
  color: #555;
  line-height: 1.6;
}

.faq-answer[hidden] {
  display: none;
}

/* --- New Restructure Styles --- */

/* Split Section */
.split-section {
  padding-block: var(--spacing-xl);
}

.split-container {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.split-content-right {
  flex: 1;
}

.split-content-left {
  flex: 1;
  background-color: var(--color-light-grey);
  padding: var(--spacing-md);
  border-radius: 8px;
}

.course-essence-intro {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.split-content-left ul {
  list-style: none;
  padding: 0;
}

.split-content-left li {
  position: relative;
  padding-inline-start: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.split-content-left li::before {
  content: '•'; /* Replace with icon later if needed */
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  inset-inline-start: 0;
}

@media (max-width: 768px) {
  .split-container {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Teacher Section */
.teacher-section {
  padding-block: var(--spacing-xl);
}

.teacher-container {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.teacher-image {
  flex: 0 0 300px;
}

.teacher-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.teacher-bio {
  flex: 1;
}

.teacher-bio ul {
  list-style: none;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.teacher-bio li {
  position: relative;
  padding-inline-start: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.teacher-bio li::before {
  content: '•';
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  inset-inline-start: 0;
}

@media (max-width: 768px) {
  .teacher-container {
    flex-direction: column;
    text-align: center;
  }
  
  .teacher-image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 300px;
  }
}



/* Video Container */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* --- Course Structure (Editorial List) --- */
.editorial-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 4rem; /* 0 vertical gap, large horizontal gap */
    max-width: 1000px;
    margin: 0 auto;
}

.editorial-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding-block: 2rem;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.ed-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    background: transparent;
    padding-top: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ed-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.text-icon {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.75rem;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ed-details h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.ed-details p {
    color: #666;
    margin: 0;
}

@media (max-width: 768px) {
    .editorial-list { grid-template-columns: 1fr; gap: 0; }
    .editorial-item { padding-block: 1.5rem; }
}

/* Registration Form */
.registration-form {
  max-width: 500px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}



.form-group {
  margin-bottom: var(--spacing-sm);
  text-align: start;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(128, 0, 0, 0.1);
}

.registration-form button {
  width: 100%;
  margin-top: var(--spacing-sm);
}