/* ==========================================================================
   PsychGyan - Complete Design System & Stylesheet (Vibrant Visual Upgrade)
   Brand: PsychGyan (psychgyan.in)
   Tagline: Better Mind • Brighter Future
   Target Audiences: Coaching Institutes (Primary), Schools, Students & Parents
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System Tokens (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* Approved Brand Color Palette */
  --color-primary-blue: #1E40AF;
  --color-bright-blue:  #3B82F6;
  --color-orange:       #F97316;
  --color-green:        #10B981;
  --color-yellow:       #FACC15;
  --color-navy:         #0F172A;
  --color-cream:        #FFFAF0;

  /* Neutral & Supporting Tones */
  --color-cream-subtle: #FBF4E6;
  --color-cream-card:   #FFFDF9;
  --color-cream-darker: #F3E9D5;
  --color-navy-soft:    #1E293B;
  --color-navy-light:   #334155;
  --color-slate-dark:   #334155;
  --color-slate-medium: #64748B;
  --color-slate-light:  #E2E8F0;
  --color-border:       #E6DCCE;
  --color-border-subtle:#F0E7DA;

  /* Typography */
  --font-family-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-body:    'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Type Scale */
  --font-size-xs:   0.75rem;    /* 12px */
  --font-size-sm:   0.875rem;   /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md:   1.125rem;   /* 18px */
  --font-size-lg:   1.25rem;    /* 20px */
  --font-size-xl:   1.5rem;     /* 24px */
  --font-size-2xl:  1.875rem;   /* 30px */
  --font-size-3xl:  2.25rem;    /* 36px */
  --font-size-4xl:  3rem;       /* 48px */
  --font-size-5xl:  3.75rem;    /* 60px */

  /* Font Weights */
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --font-weight-extrabold:800;

  /* Line Heights */
  --line-height-tight:   1.15;
  --line-height-snug:    1.3;
  --line-height-normal:  1.6;
  --line-height-relaxed: 1.75;

  /* Spacing Scale (8px rhythm) */
  --space-1:  0.25rem;  /* 4px */
  --space-2:  0.5rem;   /* 8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.25rem;  /* 20px */
  --space-6:  1.5rem;   /* 24px */
  --space-8:  2rem;     /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Structural Dimensions */
  --container-max-width: 1240px;
  --container-narrow:    860px;
  --container-padding:   var(--space-6);

  /* Corner Radii - Restrained & purposeful */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* Subtle Crisp Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-slate-dark);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--color-bright-blue);
  outline-offset: 3px;
}

/* Skip link for keyboard accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background-color: var(--color-navy);
  color: var(--color-cream);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --------------------------------------------------------------------------
   3. Typography Styles
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-navy);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-slate-dark);
}

.text-muted {
  color: var(--color-slate-medium);
}

.text-sm {
  font-size: var(--font-size-sm);
}

.text-xs {
  font-size: var(--font-size-xs);
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

.font-extrabold {
  font-weight: var(--font-weight-extrabold);
}

.text-navy {
  color: var(--color-navy);
}

.text-primary {
  color: var(--color-primary-blue);
}

.text-green {
  color: var(--color-green);
}

.text-orange {
  color: var(--color-orange);
}

/* Highlighted words and phrases */
.highlight-pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background-color: #FEF08A;
  color: var(--color-navy);
  border-radius: var(--radius-xs);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
}

.highlight-underline {
  box-shadow: inset 0 -0.45em 0 var(--color-yellow);
}

.highlight-orange {
  box-shadow: inset 0 -0.45em 0 #FED7AA;
}

.highlight-green {
  box-shadow: inset 0 -0.45em 0 #A7F3D0;
}

/* --------------------------------------------------------------------------
   4. Layout Containers & Section Rhythm
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-cream {
  background-color: var(--color-cream);
}

.section-cream-subtle {
  background-color: var(--color-cream-subtle);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-navy {
  background-color: var(--color-navy);
  color: var(--color-cream);
}

.section-navy h1,
.section-navy h2,
.section-navy h3,
.section-navy h4 {
  color: #FFFFFF;
}

.section-navy .text-muted {
  color: #94A3B8;
}

.section-header {
  margin-bottom: var(--space-10);
}

.section-header.text-center {
  text-align: center;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   5. Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 1.6rem;
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
  background-color: #172554;
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-slate-medium);
}

.btn-secondary:hover {
  background-color: var(--color-cream-subtle);
  border-color: var(--color-navy);
}

.btn-accent {
  background-color: var(--color-orange);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
}

.btn-accent:hover {
  background-color: #EA580C;
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

/* Badges & Status Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-xs);
  background-color: #E0E7FF;
  color: var(--color-primary-blue);
  line-height: 1.3;
}

.badge-in-development {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

.badge-primary {
  background-color: #EFF6FF;
  color: var(--color-primary-blue);
  border: 1px solid #BFDBFE;
}

.badge-coaching {
  background-color: #FFEDD5;
  color: #C2410C;
  border: 1px solid #FED7AA;
}

.badge-school {
  background-color: #D1FAE5;
  color: #047857;
  border: 1px solid #A7F3D0;
}

/* Callout Banners */
.callout-banner {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

.callout-banner.banner-warning {
  border-left-color: var(--color-orange);
  background-color: #FFFDF7;
}

/* --------------------------------------------------------------------------
   6. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  width: auto;
  height: 52px;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-img:hover {
  transform: scale(1.02);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-5);
  align-items: center;
}

.nav-link {
  color: var(--color-slate-dark);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-1);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary-blue);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-slate-medium);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-navy);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

.mobile-nav-drawer {
  display: none;
  background-color: var(--color-cream-card);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6);
}

.mobile-nav-drawer.is-open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.mobile-nav-list a {
  color: var(--color-navy);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: block;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

/* --------------------------------------------------------------------------
   7. Hero Section (Vibrant, Bold & Coursera-Inspired Balance)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-subtle) 100%);
  position: relative;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-blue);
  background-color: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-xs);
  width: fit-content;
}

.hero-title {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.12;
  color: var(--color-navy);
}

/* Dual Pathways Ribbon (Equal Prominence Near Top) */
.pathway-banner-wrap {
  margin-top: var(--space-2);
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.pathway-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-slate-medium);
  margin-bottom: var(--space-2);
  display: block;
}

.hero-pathways {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.pathway-card-btn {
  display: flex;
  flex-direction: column;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xs);
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.pathway-card-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.pathway-coaching-box {
  background-color: #FFF7ED;
  border-color: #FED7AA;
  border-left: 4px solid var(--color-orange);
}

.pathway-school-box {
  background-color: #F0FDF4;
  border-color: #BBF7D0;
  border-left: 4px solid var(--color-green);
}

.pathway-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
}

.pathway-sub {
  font-size: var(--font-size-xs);
  color: var(--color-slate-medium);
  margin-top: 2px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--space-3);
}

.hero-visual-frame {
  position: relative;
}

.hero-visual-frame img {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   8. Institutional Credibility / Focus Ribbon (Logo Strip Alternative)
   -------------------------------------------------------------------------- */
.credibility-ribbon-section {
  background-color: var(--color-navy);
  color: var(--color-cream);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid #1E293B;
}

.ribbon-intro-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94A3B8;
  text-align: center;
  margin-bottom: var(--space-6);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-4);
  align-items: center;
}

.credibility-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: #1E293B;
  border: 1px solid #334155;
  border-radius: var(--radius-xs);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.credibility-item:hover {
  border-color: var(--color-bright-blue);
  transform: translateY(-2px);
}

.credibility-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.icon-blue { background-color: rgba(59, 130, 246, 0.2); color: #60A5FA; }
.icon-orange { background-color: rgba(249, 115, 22, 0.2); color: #FB923C; }
.icon-green { background-color: rgba(16, 185, 129, 0.2); color: #34D399; }
.icon-yellow { background-color: rgba(250, 204, 21, 0.2); color: #FDE047; }

.credibility-text-strong {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
}

.credibility-text-sub {
  font-size: 11px;
  color: #94A3B8;
}

.ribbon-disclaimer-note {
  font-size: 11px;
  color: #64748B;
  text-align: center;
  margin-top: var(--space-4);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   9. Interactive Audience Exploration Section (Tabs System)
   -------------------------------------------------------------------------- */
.interactive-tabs-container {
  margin-top: var(--space-8);
}

.tab-nav-bar {
  display: flex;
  gap: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.tab-trigger-btn {
  background: transparent;
  border: none;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-slate-medium);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.tab-trigger-btn:hover {
  color: var(--color-navy);
}

.tab-trigger-btn.is-active {
  color: var(--color-primary-blue);
}

.tab-trigger-btn.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary-blue);
  border-radius: 3px 3px 0 0;
}

.tab-pane {
  display: none;
}

.tab-pane.is-active {
  display: block;
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.editorial-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.editorial-lead-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.editorial-detail-card {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.detail-card-coaching {
  border-top: 4px solid var(--color-orange);
}

.detail-card-school {
  border-top: 4px solid var(--color-green);
}

.challenge-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.challenge-item {
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-border);
}

.challenge-item strong {
  display: block;
  color: var(--color-navy);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-1);
}

.challenge-item p {
  font-size: var(--font-size-sm);
  color: var(--color-slate-dark);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   10. The 4 Programme Elements & Interactive Architecture
   -------------------------------------------------------------------------- */
.lifecycle-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  position: relative;
  margin-top: var(--space-6);
}

.stage-step-card {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stage-step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stage-step-card.stage-pmt { border-top: 4px solid var(--color-primary-blue); }
.stage-step-card.stage-seminar { border-top: 4px solid var(--color-orange); }
.stage-step-card.stage-sustain { border-top: 4px solid var(--color-green); }

.stage-number {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate-medium);
  margin-bottom: var(--space-2);
}

/* Pilot Programme Card */
.pilot-highlight-card {
  background-color: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-6);
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.pilot-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pilot-body h4 {
  color: #78350F;
  margin-bottom: var(--space-2);
}

.pilot-body p {
  font-size: var(--font-size-sm);
  color: #92400E;
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   11. Interactive 5 PMT Pillars Explorer
   -------------------------------------------------------------------------- */
.pillars-interactive-wrap {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.pillars-nav-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.pillar-tab-btn {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: var(--space-3);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pillar-tab-btn:hover {
  border-color: var(--color-primary-blue);
  background-color: #FFFFFF;
}

.pillar-tab-btn.is-active {
  border-color: var(--color-primary-blue);
  background-color: #EFF6FF;
  box-shadow: 0 0 0 2px var(--color-bright-blue);
}

.pillar-tab-idx {
  font-size: 11px;
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  color: var(--color-primary-blue);
}

.pillar-tab-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  line-height: 1.25;
}

.pillar-detail-display {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  margin-top: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.pillar-detail-title {
  font-size: var(--font-size-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.pillar-detail-body {
  font-size: var(--font-size-sm);
  color: var(--color-slate-dark);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   12. Institutional Process Flow Diagram (4-Step Collaboration)
   -------------------------------------------------------------------------- */
.process-flow-section {
  margin-top: var(--space-12);
}

.process-stepper-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
  position: relative;
}

.step-card {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  position: relative;
}

.step-number-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background-color: var(--color-navy);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-3);
}

.step-card h5 {
  font-size: var(--font-size-sm);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.step-card p {
  font-size: var(--font-size-xs);
  color: var(--color-slate-medium);
  line-height: var(--line-height-normal);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. Real Testimonials Section (Public & Verified)
   -------------------------------------------------------------------------- */
.testimonials-section {
  background-color: var(--color-cream);
  border-top: 1px solid var(--color-border);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.testimonial-card {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
}

/* Distinct color accents & backgrounds per institute */
.testimonial-card-blue {
  border-top: 5px solid var(--color-primary-blue);
  background: linear-gradient(180deg, #F0F7FF 0%, #FFFFFF 40%);
  border-color: #BFDBFE;
}

.testimonial-card-orange {
  border-top: 5px solid var(--color-orange);
  background: linear-gradient(180deg, #FFF7ED 0%, #FFFFFF 40%);
  border-color: #FED7AA;
}

.testimonial-card-green {
  border-top: 5px solid var(--color-green);
  background: linear-gradient(180deg, #ECFDF5 0%, #FFFFFF 40%);
  border-color: #A7F3D0;
}

.testimonial-card-navy {
  border-top: 5px solid var(--color-navy);
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 40%);
  border-color: #CBD5E1;
}

.testimonial-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--color-border-subtle);
}

.institute-badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-xs);
  background-color: #EFF6FF;
  color: var(--color-primary-blue);
  border: 1px solid #BFDBFE;
}

.institute-badge-orange {
  background-color: #FFF7ED;
  color: #C2410C;
  border-color: #FED7AA;
}

.institute-badge-green {
  background-color: #ECFDF5;
  color: #047857;
  border-color: #A7F3D0;
}

.institute-badge-navy {
  background-color: #F1F5F9;
  color: var(--color-navy);
  border-color: #CBD5E1;
}

.quote-glyph {
  width: 32px;
  height: 32px;
  color: var(--color-primary-blue);
  opacity: 0.25;
  flex-shrink: 0;
}

.testimonial-card-orange .quote-glyph {
  color: var(--color-orange);
}

.testimonial-card-green .quote-glyph {
  color: var(--color-green);
}

.testimonial-card-navy .quote-glyph {
  color: var(--color-navy);
}

.testimonial-quote-text {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-slate-dark);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  position: relative;
}

.testimonial-author-box {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
  margin-top: auto;
}

.director-avatar-img {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.14);
  border: 3px solid #FFFFFF;
  background-color: #FFFFFF;
}

.director-meta {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-family: var(--font-family-heading);
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  line-height: 1.25;
}

.author-role {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-blue);
  margin-top: 2px;
}

.author-institute {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-slate-medium);
  margin-top: 1px;
}

.portrait-disclaimer-pill {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-slate-medium);
  background-color: #F8FAFC;
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: 3px;
  width: fit-content;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.testimonials-footer-note {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--font-size-xs);
  color: var(--color-slate-medium);
}

/* --------------------------------------------------------------------------
   14. Expandable FAQ Section (Accordion)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-cream-subtle);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.faq-accordion {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary-blue);
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--space-4) var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  gap: var(--space-4);
}

.faq-trigger:hover {
  background-color: #FFFFFF;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--color-slate-medium);
}

.faq-item.is-open .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--color-primary-blue);
}

.faq-content {
  display: none;
  padding: 0 var(--space-5) var(--space-5) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-slate-dark);
  line-height: var(--line-height-relaxed);
}

.faq-item.is-open .faq-content {
  display: block;
}

/* --------------------------------------------------------------------------
   15. Institutional Partnership Enquiry Section & Form
   -------------------------------------------------------------------------- */
.enquiry-wrapper {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-8);
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-sm);
}

.enquiry-staging-note {
  background-color: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-xs);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-xs);
  color: #92400E;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background-color: #FFFFFF;
  color: var(--color-navy);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-bright-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.enquiry-result-box {
  display: none;
  background-color: #F8FAFC;
  border: 1px solid var(--color-slate-light);
  border-radius: var(--radius-xs);
  padding: var(--space-5);
  margin-top: var(--space-6);
}

.enquiry-result-box.is-visible {
  display: block;
}

.enquiry-result-box h4 {
  color: var(--color-navy);
  font-size: var(--font-size-md);
  margin-bottom: var(--space-2);
}

.enquiry-summary-text {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-4);
  font-family: monospace;
  font-size: var(--font-size-xs);
  white-space: pre-wrap;
  color: var(--color-slate-dark);
  border-radius: var(--radius-xs);
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   16. Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy);
  color: #94A3B8;
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo-img {
  width: auto;
  height: 52px;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--radius-xs);
}

.footer-col-title {
  color: #FFFFFF;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav-list a {
  color: #94A3B8;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--color-cream);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  border-top: 1px solid #1E293B;
  padding-top: var(--space-6);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-legal-btn {
  background: none;
  border: none;
  color: #94A3B8;
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  transition: color var(--transition-fast);
}

.footer-legal-btn:hover {
  color: var(--color-cream);
}

/* --------------------------------------------------------------------------
   17. Accessible Legal Dialog Modals (Privacy & Terms)
   -------------------------------------------------------------------------- */
.legal-modal {
  border: none;
  border-radius: var(--radius-sm);
  padding: 0;
  max-width: 680px;
  width: 90%;
  background: transparent;
  margin: auto;
}

.legal-modal::backdrop {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(2px);
}

.modal-content {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-8);
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
}

.modal-close-btn {
  background: transparent;
  border: 1px solid var(--color-slate-medium);
  border-radius: var(--radius-xs);
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  cursor: pointer;
  color: var(--color-navy);
}

.modal-close-btn:hover {
  background-color: var(--color-cream-subtle);
}

.modal-body {
  font-size: var(--font-size-sm);
  color: var(--color-slate-dark);
  line-height: var(--line-height-relaxed);
}

.modal-body h4 {
  font-size: var(--font-size-base);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   18. Scroll Reveals & Micro-Motion
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 1;
  transform: none;
  transition: opacity 500ms cubic-bezier(0.16, 1, 0.3, 1), transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   19. Responsive Adaptations
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .lifecycle-track {
    grid-template-columns: 1fr;
  }

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

  .pillars-nav-strip {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --container-padding: var(--space-4);
    --space-16: 3rem;
  }

  .nav-desktop {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-pathways {
    grid-template-columns: 1fr;
  }

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

  .pillars-nav-strip {
    grid-template-columns: 1fr;
  }

  .process-stepper-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
/* Accessibility: Respect Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}