/* ============================================================
   JagoEN.com — Design System
   Light Glassmorphism Theme | Premium English Learning Platform
   ============================================================ */

/* ─── Google Fonts Import ─── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── CSS Custom Properties ─── */
:root {
  /* Background */
  --bg-body: #f0f4f8;
  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-mesh-1: rgba(99, 102, 241, 0.08);
  --bg-mesh-2: rgba(6, 182, 212, 0.06);
  --bg-mesh-3: rgba(139, 92, 246, 0.07);
  --bg-mesh-4: rgba(244, 114, 182, 0.05);

  /* Glass Surfaces */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-solid: rgba(255, 255, 255, 0.85);
  --glass-bg-hover: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-border-subtle: rgba(99, 102, 241, 0.12);
  --glass-shadow: 0 1px 2px rgba(0,0,0,0.02), 0 4px 8px rgba(99,102,241,0.04), 0 16px 32px rgba(99,102,241,0.08);
  --glass-shadow-lg: 0 2px 4px rgba(0,0,0,0.02), 0 8px 16px rgba(99,102,241,0.06), 0 32px 64px rgba(99,102,241,0.12);
  --glass-shadow-hover: 0 4px 8px rgba(0,0,0,0.02), 0 12px 24px rgba(99,102,241,0.08), 0 48px 96px rgba(99,102,241,0.16);
  --glass-blur: blur(20px) saturate(180%);

  /* Accent Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-primary-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  --gradient-secondary: linear-gradient(135deg, #06b6d4, #3b82f6);
  --gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-success: linear-gradient(135deg, #10b981, #059669);
  --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 50%, var(--bg-mesh-1) 0%, transparent 50%),
                    radial-gradient(ellipse at 80% 20%, var(--bg-mesh-2) 0%, transparent 50%),
                    radial-gradient(ellipse at 50% 80%, var(--bg-mesh-3) 0%, transparent 50%),
                    radial-gradient(ellipse at 90% 80%, var(--bg-mesh-4) 0%, transparent 50%);

  /* Colors */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #a5b4fc;
  --color-primary-bg: rgba(99, 102, 241, 0.08);
  --color-secondary: #8b5cf6;
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-info: #06b6d4;
  --color-info-bg: rgba(6, 182, 212, 0.1);

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-on-gradient: #ffffff;
  --text-link: #6366f1;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes (responsive clamp) */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-xl: clamp(1.15rem, 1rem + 0.5vw, 1.25rem);
  --text-2xl: clamp(1.35rem, 1.1rem + 0.75vw, 1.5rem);
  --text-3xl: clamp(1.6rem, 1.2rem + 1.25vw, 1.875rem);
  --text-4xl: clamp(1.8rem, 1.3rem + 1.5vw, 2.25rem);
  --text-5xl: clamp(2.2rem, 1.5rem + 2vw, 3rem);
  --text-6xl: clamp(2.8rem, 1.8rem + 3vw, 3.75rem);

  /* Spacing */
  --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-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);
  --transition-spring: 0.4s var(--ease-spring);

  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-particles: -1;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 900px;
  --container-wide: 1400px;
  --container-padding: clamp(1rem, 3vw, 2rem);
}


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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-body);
  background-image: var(--gradient-mesh);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Accessibility Focus States */
:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

/* Animated mesh background */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.06) 0%, transparent 40%),
              radial-gradient(circle at 70% 60%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 50% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
  animation: meshFloat 30s ease-in-out infinite;
  z-index: var(--z-particles);
  pointer-events: none;
}

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-primary);
}


/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

h1 { font-size: var(--text-5xl); line-height: 1.1; font-weight: 800; margin-bottom: var(--space-6); color: var(--text-primary); letter-spacing: -0.04em; }
h2 { font-size: var(--text-4xl); line-height: 1.2; font-weight: 700; margin-bottom: var(--space-5); color: var(--text-primary); letter-spacing: -0.03em; }
h3 { font-size: var(--text-3xl); line-height: 1.3; font-weight: 700; margin-bottom: var(--space-4); color: var(--text-primary); letter-spacing: -0.02em; }
h4 { font-size: var(--text-2xl); line-height: 1.4; font-weight: 600; margin-bottom: var(--space-3); color: var(--text-primary); letter-spacing: -0.01em; } h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h5 { font-size: var(--text-xl); font-weight: 600; }
h6 { font-size: var(--text-lg); font-weight: 600; }

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

small, .text-small { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }


/* ─── Layout ─── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.section {
  padding-block: var(--space-20);
}

.section-sm {
  padding-block: var(--space-12);
}


/* ─── Glass Card ─── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-8);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-hover);
  background: var(--glass-bg-hover);
}

.glass-card-static {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-8);
}

.glass-card-solid {
  background: var(--glass-bg-solid);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-8);
}

.glass-card-accent {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.glass-card-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}


/* ─── Elite Components ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-base);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-on-gradient);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2), inset 0 2px 0 rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3), inset 0 2px 0 rgba(255, 255, 255, 0.2);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-on-gradient);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.25);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.35);
  color: var(--text-on-gradient);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--text-on-gradient);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background: rgba(99, 102, 241, 0.15);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--gradient-success);
  color: var(--text-on-gradient);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
  color: var(--text-on-gradient);
}

.btn-warning {
  background: var(--gradient-warm);
  color: var(--text-on-gradient);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Button glow effect */
.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity var(--transition-base);
}

.btn-glow:hover::after {
  opacity: 0.6;
}


/* ─── Form Inputs ─── */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1.5px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  background: var(--glass-bg-hover);
}

.input::placeholder {
  color: var(--text-muted);
}

.input-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.textarea {
  width: 100%;
  padding: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1.5px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--text-primary);
  resize: vertical;
  min-height: 120px;
  outline: none;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
  line-height: 1.6;
}

.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-group {
  position: relative;
}

.input-group .input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--text-lg);
  pointer-events: none;
}

.input-group .input {
  padding-left: var(--space-12);
}


/* ─── Badges & Chips ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
}

.badge-primary {
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.badge-info {
  background: var(--color-info-bg);
  color: #0891b2;
  border: 1px solid rgba(6, 182, 212, 0.15);
}

.badge-gradient {
  background: var(--gradient-primary);
  color: var(--text-on-gradient);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover, .chip.active {
  background: var(--color-primary-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}


/* ─── Progress Bar ─── */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.6s var(--ease-spring);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 20px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
  border-radius: var(--radius-full);
}

.progress-bar-lg {
  height: 12px;
}

.progress-bar-xl {
  height: 16px;
}


/* ─── Divider ─── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border-subtle), transparent);
  margin-block: var(--space-8);
}


/* ─── Scroll Reveal Animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }


/* ─── Keyframe Animations ─── */
@keyframes meshFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -1%) rotate(1deg); }
  50% { transform: translate(-1%, 2%) rotate(-0.5deg); }
  75% { transform: translate(1%, -2%) rotate(0.5deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.2); }
  50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.4); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes streakFire {
  0%, 100% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.1) rotate(-3deg); }
  75% { transform: scale(1.1) rotate(3deg); }
}

@keyframes flipIn {
  from { transform: rotateY(90deg); opacity: 0; }
  to { transform: rotateY(0deg); opacity: 1; }
}

@keyframes correctFlash {
  0% { background-color: transparent; }
  50% { background-color: rgba(16, 185, 129, 0.15); }
  100% { background-color: transparent; }
}

@keyframes wrongShake {
  0%, 100% { transform: translateX(0); }
  10%, 50%, 90% { transform: translateX(-4px); }
  30%, 70% { transform: translateX(4px); }
}

@keyframes confetti {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-200px) rotate(720deg); opacity: 0; }
}

.animate-fade-in { animation: fadeIn 0.5s var(--ease-out); }
.animate-fade-in-up { animation: fadeInUp 0.5s var(--ease-out); }
.animate-fade-in-down { animation: fadeInDown 0.5s var(--ease-out); }
.animate-slide-in-left { animation: slideInLeft 0.5s var(--ease-out); }
.animate-slide-in-right { animation: slideInRight 0.5s var(--ease-out); }
.animate-scale-in { animation: scaleIn 0.4s var(--ease-spring); }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-glow { animation: glowPulse 3s ease-in-out infinite; }
.animate-bounce-in { animation: bounceIn 0.6s var(--ease-out); }
.animate-spin { animation: spin 1s linear infinite; }


/* ─── Spacing Utilities ─── */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mx-auto { margin-inline: auto; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.py-4 { padding-block: var(--space-4); }
.py-8 { padding-block: var(--space-8); }
.px-4 { padding-inline: var(--space-4); }
.px-6 { padding-inline: var(--space-6); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }


/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-12); }

  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }

  .glass-card, .glass-card-static, .glass-card-solid, .glass-card-accent {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .glass-card, .glass-card-static, .glass-card-solid, .glass-card-accent {
    padding: var(--space-4);
    border-radius: var(--radius-md);
  }
  
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }
}


/* ─── Accessibility ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  body::before {
    animation: none;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
}

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

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


/* ─── Scrollbar Styling ─── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.35);
}

/* ==========================================================
   8-Figure Premium Micro-Animations
   ========================================================== */

/* Magnetic Hover - Lifts the card and casts a premium colored shadow */
.magnetic-hover {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}
.magnetic-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.3);
}

/* Button Glow Shimmer Effect */
.btn-glow {
  position: relative;
  overflow: hidden;
}
.btn-glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  animation: shimmer 3s infinite;
}
@keyframes shimmer {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}