/* ===== Course Page Styles ===== */

/* LMS enrollment (marketing site → /lms/checkout) */
.pricing-cta-stack{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem}

/* Course Hero */
.course-hero {
  position: relative;
  padding: calc(var(--announcement-bar-height) + var(--header-height) + 3rem) 0 4rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  overflow: hidden;
}

.course-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.course-hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.course-hero-text {
  max-width: 700px;
}

.course-level {
  display: inline-block;
  background: var(--accent);
  color: var(--text-dark);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.course-hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.course-hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  max-width: 600px;
}

.course-hero-meta {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
}

.course-meta-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.course-hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.course-hero-image {
  position: relative;
}

.course-hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  border: 4px solid rgba(255, 255, 255, 0.1);
}

/* Course Overview */
.course-overview {
  padding: 4rem 0;
  background: var(--bg);
}

.course-overview-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}

.course-overview-main h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.course-section-title {
  margin-top: 3rem;
}

.learn-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  gap: 1rem;
}

.learn-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  border-left: 4px solid var(--primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

.learn-list li:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.learn-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.learn-list li span {
  flex: 1;
  line-height: 1.6;
  color: var(--text-dark);
}

/* Course Syllabus */
.course-syllabus {
  margin-top: 2rem;
}

.week-section {
  background: var(--white);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.2s;
}

.week-section:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.week-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  cursor: pointer;
  user-select: none;
}

.week-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
  flex: 1;
}

.week-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--white);
  border-radius: 8px;
  transition: transform 0.3s, background 0.2s;
  flex-shrink: 0;
}

.week-section.active .week-toggle {
  transform: rotate(180deg);
  background: var(--primary-dark);
}

.week-toggle svg {
  width: 18px;
  height: 18px;
}

.week-days {
  display: grid;
  gap: 0.75rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
}

.week-section.active .week-days {
  max-height: 2000px;
  padding-top: 1rem;
}

.day-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  background: var(--bg);
  border-radius: 10px;
  border-left: 3px solid var(--accent);
  transition: background 0.2s, transform 0.2s;
}

.day-item:hover {
  background: var(--section-light-soft);
  transform: translateX(4px);
}

.day-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  width: auto;
  height: 36px;
  padding: 0 0.75rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8125rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.day-title {
  flex: 1;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9375rem;
}

/* Course Sidebar */
.course-sidebar {
  position: sticky;
  top: calc(var(--announcement-bar-height) + var(--header-height) + 2rem);
}

.course-card-sidebar {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.course-card-sidebar h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-dark);
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--bg);
}

.course-card-sidebar > div {
  margin-bottom: 2rem;
}

.course-card-sidebar > div:last-child {
  margin-bottom: 0;
}

.pricing-info {
  text-align: center;
}

.pricing-note {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.pricing-option {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bg);
}

.pricing-option:last-of-type {
  border-bottom: none;
  margin-bottom: 1.25rem;
}

.pricing-option h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.pricing-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.pricing-details {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Pricing tabs */
.pricing-tabs {
  margin-bottom: 1.5rem;
}

.pricing-tab-list {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

.pricing-tab {
  padding: 0.4rem 1.1rem;
  border-radius: 9999px;
  border: 1px solid #e5e7eb;
  background: var(--bg);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.pricing-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pricing-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.pricing-panels {
  text-align: left;
}

.pricing-panel {
  display: none;
}

.pricing-panel.active {
  display: block;
}

.includes-list,
.requirements-list,
.audience-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.includes-list li,
.requirements-list li,
.audience-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-dark);
}

.includes-list li::before,
.requirements-list li::before,
.audience-list li::before {
  content: '•';
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
}

/* Course Registration Form */
.course-registration {
  padding: 4rem 0;
  background: var(--section-light-soft);
}

.course-registration-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.course-registration-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.course-registration-text p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.registration-benefits {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.registration-benefits li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.course-registration-form-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.course-registration-form .form-row {
  margin-bottom: 1.25rem;
}

.course-registration-form .form-row:last-of-type {
  margin-bottom: 1.5rem;
}

.course-registration-form .form-row label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.course-registration-form .form-row .required {
  color: #dc2626;
}

.course-registration-form .form-row input,
.course-registration-form .form-row textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--bg);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--white);
}

.course-registration-form .form-row input:focus,
.course-registration-form .form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 138, 97, 0.1);
}

/* Course CTA */
.course-cta {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
}

.course-cta-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--white);
}

.course-cta-content p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.course-cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1024px) {
  .course-overview-grid {
    grid-template-columns: 1fr;
  }
  
  .course-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .course-hero {
    padding: calc(var(--announcement-bar-height) + var(--header-height) + 2rem) 0 3rem;
  }
  
  .course-hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .course-hero-image {
    order: -1;
  }
  
  .course-hero-meta {
    gap: 1.5rem;
  }
  
  .course-hero-ctas {
    flex-direction: column;
  }
  
  .course-hero-ctas .btn {
    width: 100%;
    text-align: center;
  }
  
  .course-overview {
    padding: 3rem 0;
  }
  
  .course-overview-main h2 {
    font-size: 1.75rem;
  }
  
  .course-registration {
    padding: 3rem 0;
  }
  
  .course-registration-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .course-registration-text h2 {
    font-size: 1.75rem;
  }
  
  .course-cta {
    padding: 3rem 0;
  }
  
  .course-cta-buttons {
    flex-direction: column;
  }
  
  .course-cta-buttons .btn {
    width: 100%;
  }
}

/* ===== Foundation Courses Page ===== */

/* Class Navigator (sticky below header) */
.fdn-class-nav {
  position: sticky;
  top: calc(var(--announcement-bar-height) + var(--header-height));
  z-index: 999;
  background: var(--white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.fdn-class-nav-inner {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.fdn-class-nav-inner::-webkit-scrollbar {
  display: none;
}

.fdn-class-nav-link {
  padding: 0.6rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--text-dark);
  border: 2px solid #e5e7eb;
  background: var(--white);
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.fdn-class-nav-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0, 138, 97, 0.06);
}

.fdn-class-nav-link.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--white);
}

/* Class Sections */
.fdn-class-section {
  padding: 4rem 0;
  background: var(--bg);
  scroll-margin-top: calc(var(--announcement-bar-height) + var(--header-height) + 60px);
}

.fdn-class-section--alt {
  background: var(--white);
}

.fdn-class-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.fdn-class-badge {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 0.4rem 1.25rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.fdn-class-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.fdn-class-header p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.fdn-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* Learning Category Cards */
.fdn-learn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.fdn-learn-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border-top: 4px solid var(--accent);
  transition: transform 0.2s, box-shadow 0.2s;
}

.fdn-class-section--alt .fdn-learn-card {
  background: var(--bg);
}

.fdn-learn-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.fdn-learn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(0, 138, 97, 0.1);
  border-radius: 12px;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.fdn-learn-card h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.fdn-learn-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fdn-learn-card ul li {
  position: relative;
  padding-left: 1.5rem;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.fdn-learn-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Benefits */
.fdn-benefits {
  max-width: 800px;
  margin: 0 auto;
}

.fdn-benefits h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
  text-align: center;
}

.fdn-benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.fdn-benefit-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--white);
  border-radius: 10px;
  border-left: 3px solid var(--primary);
  font-size: 0.9375rem;
  color: var(--text-dark);
  line-height: 1.5;
}

.fdn-class-section--alt .fdn-benefit-item {
  background: var(--bg);
}

.fdn-benefit-item svg {
  flex-shrink: 0;
  color: var(--primary);
}

/* Teaching Method Section */
.fdn-method-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.fdn-method-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.fdn-section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.fdn-section-label--center {
  text-align: center;
}

.fdn-method-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.fdn-method-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.fdn-method-features {
  display: grid;
  gap: 0.75rem;
}

.fdn-method-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.5;
}

.fdn-method-feature svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 1px;
}

/* Split Section: Who Should Join / Why CILPRO */
.fdn-split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
}

.fdn-split-col {
  padding: 4rem 2rem;
  display: flex;
  align-items: center;
}

.fdn-split-col-inner {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.fdn-split-col--audience {
  background: var(--bg);
  color: var(--text-dark);
}

.fdn-split-col--why {
  background: var(--section-dark-soft);
  color: var(--white);
}

.fdn-split-col h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.fdn-split-col--why h2 {
  color: var(--white);
}

.fdn-split-col p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.fdn-split-col--audience p {
  color: var(--text-muted);
}

.fdn-split-col--why p {
  color: rgba(255, 255, 255, 0.85);
}

.fdn-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.fdn-check-list li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-dark);
}

.fdn-check-list--light li {
  color: rgba(255, 255, 255, 0.92);
}

.fdn-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 1em;
  height: 1em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.fdn-check-list--light li::before {
  filter: brightness(0) invert(1);
}

/* Features Section */
.fdn-features-section {
  padding: 4rem 0;
  background: var(--section-light-blue);
}

.fdn-features-heading {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 2rem;
}

.fdn-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.fdn-feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.fdn-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.fdn-feature-card svg {
  color: var(--primary);
  flex-shrink: 0;
}

.fdn-feature-card span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
}

/* Foundation page responsive */
@media (max-width: 1024px) {
  .fdn-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .fdn-learn-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .fdn-method-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .fdn-split-col {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .fdn-class-section {
    padding: 3rem 0;
  }

  .fdn-class-header {
    margin-bottom: 2rem;
  }

  .fdn-class-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
  }

  .fdn-benefits-list {
    grid-template-columns: 1fr;
  }

  .fdn-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fdn-method-section {
    padding: 3rem 0;
  }

  .fdn-features-section {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .fdn-class-nav-inner {
    gap: 0.5rem;
    padding: 0.6rem 0;
  }

  .fdn-class-nav-link {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
  }

  .fdn-features-grid {
    grid-template-columns: 1fr;
  }

  .fdn-learn-card {
    padding: 1.5rem 1.25rem;
  }
}