/* ============================================
   BLASTBEAT EDUCATION — Design System
   Climate Actions Now | UK Charity 1113530
   Updated: 2026 — WCAG 2.2 AA Compliant
   ============================================ */

/* NOTE: Move this @import to a <link rel="preload"> in HTML for better performance:
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link rel="preload" as="style" href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap">
   <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap">
*/
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --primary-blue: #1E40AF;
  --primary-blue-dark: #1E3A8A;
  --primary-blue-light: #3B82F6;
  --primary-purple: #7C3AED;
  --primary-purple-dark: #6D28D9;
  --accent-coral: #F97316;
  --accent-coral-dark: #EA580C;
  --accent-coral-light: #FB923C;
  --success-green: #059669;
  --success-green-light: #10B981;

  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-accent: #EFF6FF;
  --bg-dark: #1F2937;
  --bg-dark-secondary: #111827;

  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-white: #FFFFFF;
  --text-muted: #9CA3AF;

  --border-light: #E5E7EB;
  --border-medium: #D1D5DB;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Spacing (4px increments) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow-coral: 0 0 20px rgba(249, 115, 22, 0.3);
  --shadow-glow-blue: 0 0 20px rgba(30, 64, 175, 0.2);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1280px;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 0.5vw + 0.8rem, 1.0625rem);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--text-primary);
}

h1, h2, h3 {
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw + 0.5rem, 1.75rem); }
h4 { font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.5rem); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  text-wrap: pretty;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 3rem);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 3rem);
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  content-visibility: auto;
}

.section-sm {
  padding: clamp(2rem, 4vw, 3rem) 0;
}

.section-lg {
  padding: clamp(4rem, 8vw, 7rem) 0;
  content-visibility: auto;
}

/* Grid */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
}

.grid-2.items-center {
  align-items: center;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ---- Navigation ---- */
.bb-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 20, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 1000;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.bb-nav.nav-hidden {
  transform: translateY(-100%);
}

.bb-nav-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 3rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bb-nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--font-extrabold);
  font-size: var(--text-xl);
  color: white;
  text-decoration: none;
  margin-right: var(--space-8);
}

.bb-nav-logo img {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(99,102,241,0.35));
}

/* Currency picker — sits in nav-actions */
[data-bb-currency-mount] { display: inline-flex; align-items: center; }
.bb-curr-wrap {
  position: relative;
  display: inline-flex; align-items: center;
}
.bb-curr-wrap select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding: 6px 26px 6px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  color: rgba(255,255,255,0.85);
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='rgba(255,255,255,0.72)' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.bb-curr-wrap select:hover {
  background-color: rgba(255,255,255,0.08);
  border-color: rgba(184,255,0,0.4);
  color: white;
}
.bb-curr-wrap select:focus-visible {
  border-color: var(--neon-lime);
  box-shadow: 0 0 0 3px rgba(184,255,0,0.18);
}
.bb-curr-wrap select option {
  background: #14142a;
  color: white;
}
@media (max-width: 768px) {
  .bb-curr-wrap select { font-size: 0.65rem; padding: 5px 22px 5px 10px; }
}

/* "Rates approximate" disclaimer badge — sits below price blocks */
[data-currency-note] {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(255,217,61,0.06);
  border: 1px solid rgba(255,217,61,0.25);
  color: rgba(255,217,61,0.85);
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
}

.bb-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.bb-nav-link {
  padding: 8px 14px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255,255,255,0.75);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.bb-nav-link:hover,
.bb-nav-link.active {
  color: rgba(255,255,255,1);
  background: rgba(255,255,255,0.08);
}

.bb-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.bb-nav-actions .btn { white-space: nowrap; }

/* Mobile hamburger */
.bb-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.bb-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.bb-nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.bb-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.bb-nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.bb-nav-mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: var(--space-6);
  overflow-y: auto;
  z-index: 999;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.bb-nav-mobile.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.bb-nav-mobile a {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  min-height: 48px;
}

.bb-nav-mobile a:hover {
  color: var(--primary-blue);
  background: var(--bg-accent);
}

.bb-nav-mobile .btn-cta {
  margin-top: var(--space-6);
  text-align: center;
  justify-content: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
  min-height: 44px;
  min-width: 120px;
  user-select: none;
  -webkit-user-select: none;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

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

.btn-primary:hover {
  background: var(--primary-blue-dark);
  border-color: var(--primary-blue-dark);
  color: var(--text-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-blue);
  border-color: var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--text-white);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

.btn-cta {
  background: var(--accent-coral);
  color: var(--text-white);
  border-color: var(--accent-coral);
  padding: 14px 32px;
  font-size: var(--text-base);
}

.btn-cta:hover {
  background: var(--accent-coral-dark);
  border-color: var(--accent-coral-dark);
  color: var(--text-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-coral);
}

.btn-cta:active {
  transform: translateY(0) scale(0.98);
}

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

.btn-white:hover {
  background: var(--bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-white:active {
  transform: translateY(0) scale(0.98);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--text-xs);
  min-width: 80px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: var(--text-lg);
  min-width: 160px;
}

/* ---- Cards ---- */
.bb-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
  contain: layout;
}

.bb-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.bb-card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  overflow: hidden;
  contain: layout;
}

.bb-card-glass:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow-lg);
}

.bb-card-dark {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--text-white);
  overflow: hidden;
  contain: layout;
}

/* ---- Stats Cards ---- */
.stat-card {
  text-align: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  backdrop-filter: blur(10px);
  contain: layout;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--primary-blue);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.counter-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-blue {
  background: var(--bg-accent);
  color: var(--primary-blue);
}

.badge-purple {
  background: #F3E8FF;
  color: var(--primary-purple);
}

.badge-coral {
  background: #FFF7ED;
  color: var(--accent-coral);
}

.badge-green {
  background: #ECFDF5;
  color: var(--success-green);
}

/* ---- Gradient Text ---- */
.bb-gradient-text {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bb-gradient-text-coral {
  background: linear-gradient(135deg, var(--accent-coral), var(--primary-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Section Backgrounds ---- */
.bg-white { background-color: var(--bg-primary); }
.bg-light { background-color: var(--bg-secondary); }
.bg-accent { background-color: var(--bg-accent); }
.bg-dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--text-white); }
.bg-dark p { color: var(--text-muted); }
.bg-dark a { color: var(--text-white); }
.bg-dark a:hover { color: var(--text-white); text-decoration: underline; }
.bg-dark .stat-label { color: rgba(255, 255, 255, 0.6); }

.bg-gradient-hero {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
}

.bg-gradient-blue {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
  color: var(--text-white);
}

/* ---- Hero ---- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw + 1rem, 3.75rem);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero p {
  font-size: var(--text-xl);
  max-width: 640px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Hero background shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}

.hero-shape-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-blue);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
  width: 300px;
  height: 300px;
  background: var(--primary-purple);
  bottom: -50px;
  left: 10%;
  animation: float 6s ease-in-out infinite reverse;
}

.hero-shape-3 {
  width: 200px;
  height: 200px;
  background: var(--accent-coral);
  top: 30%;
  right: 20%;
  animation: float 7s ease-in-out infinite 1s;
}

/* ---- Role Cards ---- */
.role-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: all var(--transition-base);
  overflow: hidden;
  contain: layout;
}

.role-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-blue-light);
  box-shadow: var(--shadow-md);
}

.role-card .role-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.role-card .role-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.role-card .role-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-light);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 8px);
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--primary-blue);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}

.timeline-item h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

/* ---- Footer ---- */
.bb-footer {
  background: var(--bg-dark);
  color: var(--text-muted);
  padding: var(--space-16) 0 0;
  min-height: 200px;
}

.bb-footer h5 {
  color: var(--accent-coral);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.bb-footer a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

.bb-footer a:hover {
  color: var(--text-white);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-bottom {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--accent-coral);
  color: var(--text-white);
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success,
.form-select.success,
.form-textarea.success {
  border-color: var(--success-green);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary-blue);
}

/* ---- Dark Section Text Colors ---- */
.section-dark a {
  color: var(--text-white);
  transition: color var(--transition-base);
}

.section-dark a:hover {
  color: var(--text-white);
  text-decoration: underline;
}

.section-dark .stat-label {
  color: rgba(255, 255, 255, 0.6);
}

.section-dark .stat-number {
  color: var(--text-white);
}

/* ---- Animations ---- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
  50% { box-shadow: 0 0 20px 4px rgba(249, 115, 22, 0.2); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.pulse-cta {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ---- Accessibility ---- */
:focus-visible {
  outline: 3px solid var(--primary-blue);
  outline-offset: 3px;
}

.sr-only,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--primary-blue);
  color: var(--text-white);
  border-radius: var(--radius-md);
  z-index: 10000;
  font-weight: var(--font-semibold);
}

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

/* High Contrast Mode */
@media (forced-colors: active) {
  .btn {
    border: 2px solid ButtonText;
  }
  .bb-card,
  .bb-card-glass,
  .bb-card-dark,
  .role-card {
    border: 2px solid ButtonText;
  }
  .bb-gradient-text,
  .bb-gradient-text-coral {
    -webkit-text-fill-color: unset;
    background: none;
  }
  .form-input,
  .form-select,
  .form-textarea {
    border: 1px solid ButtonText;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ---- Responsive ---- */

/* Large desktop */
@media (max-width: 1280px) {
  .container {
    padding: 0 clamp(1.5rem, 3vw, 3rem);
  }
  .container-wide {
    padding: 0 clamp(1.5rem, 3vw, 3rem);
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .container {
    padding: 0 32px;
  }
  .container-wide {
    padding: 0 32px;
  }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  /* grid-2 stays as 2 columns */

  .hero h1 { font-size: clamp(1.75rem, 4vw + 0.5rem, 2.75rem); }
  .hero p { font-size: var(--text-lg); }
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }
  .container-wide {
    padding: 0 24px;
  }

  /* ---- Hero ---- */
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-8));
    padding-bottom: var(--space-8);
  }
  .hero h1 {
    font-size: clamp(1.5rem, 4vw + 0.5rem, 2.25rem);
  }
  .hero-dark {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-8));
    padding-bottom: var(--space-8);
  }

  /* Force hero h1 inline font-sizes down */
  .hero-dark h1,
  .hero-dark .text-chunky {
    font-size: clamp(1.75rem, 6vw, 2.5rem) !important;
  }

  /* Hero paragraph text */
  .hero-dark p {
    font-size: var(--text-base) !important;
  }

  /* ---- Grids: stack on mobile ---- */
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr !important;
  }

  /* Override inline gap on grid-2 (hero, for-schools, etc.) */
  .grid.grid-2 {
    gap: var(--space-6) !important;
  }

  /* Stats and role cards: 2 columns on mobile */
  .grid-4 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-3) !important;
  }

  /* ---- Nav ---- */
  .bb-nav-links,
  .bb-nav-actions .btn-secondary,
  .bb-nav-actions .login-link {
    display: none;
  }

  .bb-nav-toggle {
    display: flex;
  }

  .bb-nav-actions .btn {
    padding: 8px 14px;
    font-size: var(--text-xs);
    white-space: nowrap;
    min-width: auto;
  }

  /* ---- Hero buttons: stack ---- */
  .hero-actions,
  .hero-dark .flex.gap-4,
  .hero-dark .flex.gap-6 {
    flex-direction: column;
  }

  .hero-actions .btn,
  .hero-dark .flex.gap-4 > .btn,
  .hero-dark .flex.gap-6 > .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* All flex button groups: wrap on mobile */
  .flex.gap-4,
  .flex.gap-6 {
    flex-wrap: wrap;
  }

  .flex.gap-4 > .btn,
  .flex.gap-6 > .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* ---- Stats ---- */
  .stat-number {
    font-size: var(--text-3xl);
  }

  /* ---- Section headings: tighten inline sizes ---- */
  .text-chunky {
    font-size: clamp(1.5rem, 5vw, 2.25rem) !important;
  }

  /* ---- Glass cards: less padding on mobile ---- */
  .glass-card,
  .glass-card-light {
    padding: var(--space-4) !important;
  }

  /* ---- Role cards: smaller emoji, tighter layout ---- */
  .glass-card .emoji-xl,
  .section-dark .glass-card .emoji-xl {
    font-size: 2rem;
    margin-bottom: var(--space-2);
  }

  /* ---- Bento items: reduce min-height on mobile ---- */
  .bento-item {
    min-height: 220px !important;
  }

  /* ---- Profit split: scale down percentages ---- */
  .bento-item .text-gradient-vivid,
  .bento-item .text-gradient-sunset {
    font-size: var(--text-4xl) !important;
  }

  /* Flex profit split layout: stack vertically on narrow screens */
  .bento-item .flex.justify-center.gap-8 {
    gap: var(--space-6) !important;
  }

  /* ---- Counter numbers ---- */
  .counter-number {
    font-size: var(--text-3xl) !important;
  }

  /* ---- Neo tags ---- */
  .neo-tag {
    font-size: 0.65rem;
    padding: 5px 12px;
  }

  /* ---- Pill cloud: allow wrapping ---- */
  .pill-cloud {
    gap: var(--space-2);
  }

  .pill {
    font-size: var(--text-xs);
    padding: 6px 14px;
  }

  /* ---- Footer grid: collapse to 1 column (override inline style) ---- */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-8) !important;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .footer-bottom .flex {
    justify-content: center;
    flex-wrap: wrap;
  }

  /* ---- Forms ---- */
  form .grid-2 {
    grid-template-columns: 1fr;
  }

  form.flex {
    flex-direction: column;
  }

  form.flex .btn {
    width: 100%;
  }

  /* ---- Images: stack properly ---- */
  .grid-2 > .reveal:last-child img {
    margin-top: var(--space-4);
  }

  /* ---- FAB badge: ensure no overlap with cookie banner ---- */
  main {
    padding-bottom: var(--space-16);
  }

  .fab-badge {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .fab-badge a {
    padding: 10px 18px;
    font-size: var(--text-xs);
  }

  /* ---- Prevent horizontal overflow ---- */
  body {
    overflow-x: hidden;
  }

  /* ---- Ticker: prevent overflow ---- */
  .ticker-wrap {
    max-width: 100vw;
    overflow: hidden;
  }

  .ticker-item {
    font-size: var(--text-lg);
    padding: 0 var(--space-4);
  }

  /* ---- Inline max-width overrides ---- */
  .container [style*="max-width"] {
    max-width: 100% !important;
  }

  /* ---- Inline font-size overrides for section headings ---- */
  h2[style*="font-size"] {
    font-size: clamp(1.5rem, 5vw, 2rem) !important;
  }

  /* ---- Example calculation: scale down ---- */
  .bento-item [style*="font-size: var(--text-4xl)"] {
    font-size: var(--text-2xl) !important;
  }

  .bento-item [style*="font-size: var(--text-6xl)"] {
    font-size: var(--text-3xl) !important;
  }

  /* ---- Country/social proof pills ---- */
  .flex.justify-center.gap-8.flex-wrap {
    gap: var(--space-3) !important;
  }

  .pill-filled {
    font-size: var(--text-sm) !important;
    padding: 8px 16px;
  }
}

/* Large mobile */
@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }
  .container-wide {
    padding: 0 20px;
  }

  /* Competition / timeline grid: stack to 1 column on small tablets */
  .grid-4 {
    grid-template-columns: 1fr !important;
  }

  /* Timeline glass cards: full width */
  .glass-card {
    min-height: auto !important;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .container-wide {
    padding: 0 16px;
  }

  /* Hero */
  .hero h1 {
    font-size: clamp(1.375rem, 3vw + 0.5rem, 1.75rem);
  }

  .hero-dark h1,
  .hero-dark .text-chunky {
    font-size: clamp(1.5rem, 5vw, 2rem) !important;
  }

  /* Grid-4: single column on small phones */
  .grid-4 {
    grid-template-columns: 1fr !important;
    gap: var(--space-3) !important;
  }

  /* Stat numbers */
  .stat-number,
  .counter-number {
    font-size: var(--text-2xl) !important;
  }

  /* Buttons: full width */
  .btn {
    min-width: auto;
    padding: 10px 20px;
    font-size: var(--text-sm);
  }

  .btn-lg {
    padding: 12px 24px !important;
    font-size: var(--text-base) !important;
    min-width: auto !important;
  }

  /* Section headings */
  h2[style*="font-size"] {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
  }

  .text-chunky {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
  }

  /* Section padding: tighter */
  .section {
    padding: clamp(2rem, 5vw, 3rem) 0;
  }

  .section-lg {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
  }

  /* Profit split: stack vertically */
  .bento-item .flex.justify-center {
    flex-direction: column !important;
    align-items: center !important;
    gap: var(--space-4) !important;
  }

  /* Hide the vertical divider in profit split on mobile */
  .bento-item .flex.justify-center > div[style*="width: 2px"] {
    display: none !important;
  }

  /* Example calculation flex: stack */
  .bento-item [style*="display: flex"][style*="flex-wrap: wrap"] {
    justify-content: center !important;
    gap: var(--space-3) !important;
  }

  /* Neo tags: even smaller */
  .neo-tag {
    font-size: 0.6rem;
    padding: 4px 10px;
  }

  /* Emoji: smaller on tiny screens */
  .emoji-xl {
    font-size: 2rem;
  }

  /* Bento items */
  .bento-item {
    min-height: 180px !important;
    padding: var(--space-4) !important;
  }

  /* Glass cards in timeline: reduce padding */
  .glass-card {
    padding: var(--space-4) !important;
  }

  /* FAB badge: compact */
  .fab-badge a {
    padding: 8px 14px;
    font-size: 0.7rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  }
}

/* ---- Print Styles ---- */
@media print {
  /* Remove non-essential elements */
  .bb-nav,
  .bb-footer,
  .fab-badge,
  .hero-shapes,
  .hero-shape,
  .orb,
  .bb-nav-mobile,
  .bb-nav-toggle {
    display: none !important;
  }

  /* Reset colors for print */
  body {
    color: #000 !important;
    background: #fff !important;
    font-size: 12pt;
  }

  h1, h2, h3, h4, h5, h6 {
    color: #000 !important;
    page-break-after: avoid;
  }

  p {
    color: #333 !important;
  }

  /* Show URLs after links */
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  a[href^="#"]::after,
  a[href^="javascript"]::after {
    content: "";
  }

  /* Page breaks */
  .section,
  .section-sm,
  .section-lg {
    page-break-before: auto;
    page-break-inside: avoid;
    padding: 1rem 0;
  }

  /* Reset backgrounds */
  .bg-dark,
  .bg-gradient-hero,
  .bg-gradient-blue,
  .section-dark,
  .hero-dark {
    background: #fff !important;
    color: #000 !important;
  }

  .bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4,
  .section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
    color: #000 !important;
  }

  .bg-dark p, .section-dark p {
    color: #333 !important;
  }

  /* Gradient text: show as solid for print */
  .bb-gradient-text,
  .bb-gradient-text-coral {
    -webkit-text-fill-color: #000 !important;
    color: #000 !important;
    background: none !important;
  }

  /* Remove shadows and transforms */
  .bb-card,
  .bb-card-glass,
  .bb-card-dark,
  .role-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    background: #fff !important;
    color: #000 !important;
  }

  /* Hero: auto height for print */
  .hero,
  .hero-dark {
    min-height: auto !important;
    padding: 1rem 0 !important;
  }

  /* Images: constrain */
  img {
    max-width: 100% !important;
  }

  /* Grid: simplify for print */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}