:root {
  /* Colorful Corporate Gradient Theme Variables */
  --sugar-edu-bg: #FFFFFF;
  --sugar-edu-surface: #F8FAFC;
  --sugar-edu-pane: #F1F5F9;
  --sugar-edu-ink: #0F172A;
  --sugar-edu-ink-soft: #475569;
  --sugar-edu-edge: #E2E8F0;
  --sugar-edu-gradient: linear-gradient(135deg, #0284c7 0%, #6366f1 100%);
  --sugar-edu-gradient-hover: linear-gradient(135deg, #0369a1 0%, #4f46e5 100%);
  --sugar-edu-highlight: #f59e0b; /* Accent amber */
  --sugar-edu-highlight-soft: #fef3c7;
  --sugar-edu-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.15), 0 8px 10px -6px rgba(99, 102, 241, 0.1);
  --sugar-edu-glow: rgba(99, 102, 241, 0.4);
  
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* Base Styles */
body {
  font-family: var(--font-body);
  color: var(--sugar-edu-ink);
  background-color: var(--sugar-edu-bg);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
}

/* Custom Semantic Layout Classes */
.diab-edu-viewport { width: 100%; }
.sugar-flow-wrap { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.sugar-flow-wrap-narrow { max-width: 800px; margin: 0 auto; padding: 0 1.5rem; }
.edu-nav-strap { width: 100%; position: relative; z-index: 50; drop-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.edu-head-inner { display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 0; }
.edu-logo-cluster { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; font-weight: 700; font-size: 1.25rem; font-family: var(--font-display); }

/* Navigation */
.edu-link-group { display: flex; gap: 2rem; align-items: center; }
.edu-nav-item { text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: opacity 0.3s ease; border-bottom: 2px solid transparent; padding-bottom: 4px; }
.edu-nav-item:hover { border-bottom-color: #fff; opacity: 0.9; }

/* Mobile Menu CSS-Only */
.edu-burger-check { display: none; }
.edu-burger-lbl { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.edu-burger-lbl span { display: block; width: 25px; height: 3px; background-color: #fff; border-radius: 3px; transition: 0.3s; }

@media (max-width: 768px) {
  .edu-link-group { display: none; position: absolute; top: 100%; left: 0; width: 100%; flex-direction: column; gap: 0; padding: 1rem 0; background: var(--sugar-edu-gradient); text-align: center; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
  .edu-burger-lbl { display: flex; }
  .edu-burger-check:checked ~ .edu-link-group { display: flex; }
  .edu-burger-check:checked ~ .edu-burger-lbl span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .edu-burger-check:checked ~ .edu-burger-lbl span:nth-child(2) { opacity: 0; }
  .edu-burger-check:checked ~ .edu-burger-lbl span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .edu-nav-item { padding: 1rem; width: 100%; border-bottom: none; }
}

/* Hero Centered Pattern */
.diab-hero-canvas { position: relative; width: 100%; padding: 6rem 0; display: flex; flex-direction: column; align-items: center; text-align: center; overflow: hidden; min-height: 80vh; justify-content: center; }
.diab-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.diab-hero-veil { position: absolute; inset: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.7); z-index: -1; }
.diab-hero-core { z-index: 10; position: relative; }
.diab-stat-triplet { display: flex; justify-content: center; gap: 2rem; margin-top: 2rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.diab-stat-item { text-align: center; }
.diab-stat-num { font-size: 2.5rem; font-weight: 800; font-family: var(--font-display); line-height: 1.1; }
.diab-stat-lbl { font-size: 0.9rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.9; }

/* Interactive Elements */
.sugar-action-trigger { display: inline-block; padding: 1rem 2.5rem; border-radius: 9999px; font-weight: 700; text-decoration: none; transition: transform 0.3s ease, box-shadow 0.3s ease; border: none; cursor: pointer; text-align: center; }
.sugar-action-trigger:hover { transform: translateY(-3px); box-shadow: var(--sugar-edu-shadow); }

/* Content Areas */
.edu-split-zone { padding: 6rem 0; display: flex; flex-wrap: wrap; align-items: center; gap: 4rem; }
.edu-visual-half, .edu-text-half { flex: 1; min-width: 300px; }
.edu-visual-pic { width: 100%; border-radius: 1rem; box-shadow: var(--sugar-edu-shadow); object-fit: cover; }
.edu-point-list { list-style: none; padding: 0; margin: 1.5rem 0; }
.edu-point-list li { position: relative; padding-left: 2rem; margin-bottom: 1rem; font-weight: 500; }
.edu-point-list li::before { content: '✓'; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--sugar-edu-highlight); }

/* Features: Icon Rows */
.edu-row-board { padding: 5rem 0; }
.edu-row-strip { display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--sugar-edu-edge); }
.edu-row-strip:last-child { border-bottom: none; }
.edu-row-icon { width: 4rem; height: 4rem; flex-shrink: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.edu-row-info h3 { margin: 0 0 0.5rem 0; font-size: 1.25rem; font-weight: 700; }
.edu-row-info p { margin: 0; line-height: 1.6; }

/* How It Works (Steps) */
.edu-steps-arena { padding: 5rem 0; }
.edu-steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem; }
.edu-step-pane { padding: 2.5rem 2rem; border-radius: 1rem; position: relative; text-align: center; box-shadow: var(--sugar-edu-shadow); transition: transform 0.3s ease; }
.edu-step-pane:hover { transform: translateY(-5px); }
.edu-step-orb { width: 4rem; height: 4rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; margin: 0 auto 1.5rem auto; font-family: var(--font-display); box-shadow: 0 4px 6px rgba(0,0,0,0.1); }

/* Call to Action Strip */
.edu-cta-ribbon { padding: 5rem 0; text-align: center; display: flex; flex-direction: column; align-items: center; }
.edu-cta-ribbon h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }

/* Footer */
.edu-base-dock { padding: 4rem 0 2rem; text-align: center; margin-top: auto; border-top: 1px solid var(--sugar-edu-edge); }
.edu-base-links { display: flex; justify-content: center; gap: 1.5rem; margin: 1.5rem 0; flex-wrap: wrap; }
.edu-base-links a { text-decoration: none; font-weight: 500; transition: opacity 0.3s; }
.edu-base-links a:hover { opacity: 0.7; }
.edu-disclaimer-txt { font-size: 0.85rem; margin: 1.5rem 0; font-style: italic; opacity: 0.8; }

/* Form Elements */
.sugar-form-struct { display: flex; flex-direction: column; gap: 1.25rem; }
.sugar-input-fld { width: 100%; padding: 1rem; border-radius: 0.5rem; border: 1px solid var(--sugar-edu-edge); font-family: var(--font-body); font-size: 1rem; outline: none; transition: border-color 0.3s ease; }
.sugar-input-fld:focus { border-color: var(--sugar-edu-highlight); }
.sugar-check-fld { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.9rem; }
.sugar-check-fld input { margin-top: 0.25rem; }

/* FAQ Accordion (CSS Only) */
.edu-faq-cluster { padding: 4rem 0; }
.edu-faq-item { margin-bottom: 1rem; border: 1px solid var(--sugar-edu-edge); border-radius: 0.5rem; overflow: hidden; }
.edu-faq-toggle { display: none; }
.edu-faq-title { display: block; padding: 1.25rem; font-weight: 600; cursor: pointer; position: relative; margin: 0; font-family: var(--font-display); }
.edu-faq-title::after { content: '+'; position: absolute; right: 1.25rem; top: 1.25rem; font-size: 1.5rem; line-height: 1; transition: transform 0.3s; }
.edu-faq-content { padding: 0 1.25rem; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.edu-faq-toggle:checked ~ .edu-faq-content { max-height: 500px; padding: 0 1.25rem 1.25rem; }
.edu-faq-toggle:checked ~ .edu-faq-title::after { transform: rotate(45deg); }

/* Custom Layout Utilities */
.txt-center { text-align: center; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; } .mb-2 { margin-bottom: 2rem; } .mb-3 { margin-bottom: 3rem; }
.font-display { font-family: var(--font-display); }
.text-huge { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.2; }
.text-large { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 700; }
.text-lead { font-size: 1.15rem; line-height: 1.6; }

/* Cookie Banner */
#cookie-ribbon { position: fixed; bottom: 0; left: 0; width: 100%; z-index: 9999; padding: 1.5rem; display: none; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; box-shadow: 0 -4px 10px rgba(0,0,0,0.1); }
.cookie-ops { display: flex; gap: 1rem; }
.cookie-btn { padding: 0.5rem 1.5rem; border-radius: 0.25rem; font-weight: 600; cursor: pointer; border: none; }