/* ========================================
   CHILD PSYCHOLOGY COURSE — DESIGN TOKENS
   ======================================== */

:root {
  /* Primary — Soft Lavender */
  --primary-50:  #FDF5FF;
  --primary-100: #F5E6FF;
  --primary-200: #E8CCF5;
  --primary-300: #D4A6EB;
  --primary-400: #C08ADE;
  --primary-500: #A96BCF;
  --primary-600: #9B5BBF;
  --primary-700: #7E47A3;
  --primary-800: #633882;
  --primary-900: #4A2960;

  /* Secondary — Soft Mint */
  --secondary-50:  #F0FDF6;
  --secondary-100: #D5F5E3;
  --secondary-200: #A8E6C8;
  --secondary-300: #7DD8AD;
  --secondary-400: #5CC99B;
  --secondary-500: #3EB589;
  --secondary-600: #2FA07A;
  --secondary-700: #258268;

  /* Accent — Soft Peach */
  --accent-50:  #FFF8F0;
  --accent-100: #FFECDB;
  --accent-200: #FFD5B0;
  --accent-300: #FFBE85;
  --accent-400: #FFA75A;
  --accent-500: #FF9040;
  --accent-600: #E07830;

  /* Semantic (softened) */
  --success: #5CC99B;
  --success-light: #A8E6C8;
  --success-bg: #F0FDF6;
  --error: #FF6B8A;
  --error-light: #FFC2D1;
  --error-bg: #FFF5F7;
  --warning: #FFA75A;
  --info: #66B3FF;

  /* Neutrals — Warm */
  --neutral-50:  #FDFBF9;
  --neutral-100: #F7F3EF;
  --neutral-200: #EBE5DE;
  --neutral-300: #D5CCC2;
  --neutral-400: #A89E94;
  --neutral-500: #7A7168;
  --neutral-600: #5A524A;
  --neutral-700: #3D3732;
  --neutral-800: #262220;
  --neutral-900: #141210;

  /* Module accent colors (pastel) */
  --module-1:  #B088D4;
  --module-2:  #7EB8E8;
  --module-3:  #5CC99B;
  --module-4:  #8B8FE0;
  --module-5:  #FF85A3;
  --module-6:  #FFBE85;
  --module-7:  #B088D4;
  --module-8:  #66B3FF;
  --module-9:  #7DD8AD;
  --module-10: #C08ADE;

  /* Typography */
  --font-heading: 'Nunito', system-ui, -apple-system, sans-serif;
  --font-body: 'Quicksand', 'Nunito', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale */
  --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;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Shadows (softer, lavender-tinted) */
  --shadow-sm: 0 1px 3px rgba(160, 140, 160, 0.08);
  --shadow-md: 0 4px 8px -1px rgba(160, 140, 160, 0.1), 0 2px 4px -2px rgba(160, 140, 160, 0.06);
  --shadow-lg: 0 12px 20px -4px rgba(160, 140, 160, 0.12), 0 4px 8px -4px rgba(160, 140, 160, 0.06);
  --shadow-xl: 0 24px 32px -6px rgba(160, 140, 160, 0.14), 0 8px 12px -6px rgba(160, 140, 160, 0.06);

  /* Border Radius (rounder) */
  --radius-sm:   0.625rem;
  --radius-md:   1rem;
  --radius-lg:   1.25rem;
  --radius-xl:   1.75rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-cute: cubic-bezier(0.25, 0.1, 0.25, 1.4);

  /* Cute accent colors — Pink */
  --pink-50:  #FFF5F7;
  --pink-100: #FFE0E8;
  --pink-200: #FFC2D1;
  --pink-300: #FFA3BA;
  --pink-400: #FF85A3;
  --pink-500: #FF6B8A;
  --pink-600: #E85577;

  /* Cute accent colors — Sky Blue */
  --sky-50:  #F0F8FF;
  --sky-100: #DBEEFF;
  --sky-200: #B8DBFF;
  --sky-300: #8FC7FF;
  --sky-400: #66B3FF;
  --sky-500: #4DA3FF;

  /* Glass effects */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-colored-primary: 0 8px 24px -4px rgba(155, 91, 191, 0.12);
  --shadow-colored-secondary: 0 8px 24px -4px rgba(62, 181, 137, 0.12);
  --shadow-colored-accent: 0 8px 24px -4px rgba(255, 144, 64, 0.12);
}

/* ========================================
   BASE STYLES
   ======================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--neutral-700);
  background: linear-gradient(180deg, var(--neutral-50) 0%, #FDF5FF 50%, var(--neutral-50) 100%);
  background-attachment: fixed;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--neutral-800);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, var(--text-5xl)); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, var(--text-4xl)); }
h3 { font-size: clamp(1.25rem, 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-2xl); font-weight: 600; }
h5 { font-size: var(--text-xl); font-weight: 600; }

p {
  margin-bottom: 1rem;
  max-width: 72ch;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

a:hover {
  color: var(--primary-700);
}

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

/* Selection */
::selection {
  background-color: var(--pink-200);
  color: var(--pink-600);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--primary-600);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-500), var(--pink-400), var(--secondary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.font-heading { font-family: var(--font-heading); }
.font-body { font-family: var(--font-body); }

/* Reduced motion */
@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;
  }
  .btn-primary::after {
    display: none;
  }
  .progress-bar-fill::after {
    animation: none;
  }
  .quiz-progress-segment.is-current {
    animation: none;
  }
}