/*
Theme Name: MathQuest
Theme URI: https://example.com
Author: Toi
Description: Plateforme d'apprentissage des maths pour le collège, par abonnement. Design moderne, clair pour les parents, engageant pour les enfants.
Version: 2.0
Text Domain: mathquest
*/

/* ============================================
   DESIGN SYSTEM — MathQuest v2
   ============================================ */

:root {
  --color-bg: #FAF9F6;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F3F1EA;
  --color-border: #E8E5DD;

  --color-primary: #2F6F5E;
  --color-primary-light: #E3F0EC;
  --color-primary-dark: #1F4C40;
  --color-primary-soft: #EAF5F1;

  --color-success: #4C9A6A;
  --color-success-light: #E7F4EA;

  --color-accent: #E0A63C;
  --color-accent-light: #FBF0DC;

  --color-coral: #E0673C;
  --color-coral-light: #FBE3DC;

  --color-locked: #C9C6BC;
  --color-locked-bg: #F1EFE9;

  --text-primary: #201F1C;
  --text-secondary: #6B6A64;
  --text-muted: #A5A399;
  --text-on-primary: #FFFFFF;

  --font-main: 'Nunito', 'Segoe UI', sans-serif;
  --font-display: 'Baloo 2', 'Nunito', sans-serif;

  --radius-card: 20px;
  --radius-button: 14px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;

  --shadow-sm: 0 2px 8px rgba(32, 31, 28, 0.06);
  --shadow-md: 0 8px 24px rgba(32, 31, 28, 0.08);
  --shadow-lg: 0 16px 48px rgba(32, 31, 28, 0.12);

  --gradient-hero: linear-gradient(135deg, #EAF5F1 0%, #FBF0DC 100%);
  --gradient-primary: linear-gradient(135deg, #2F6F5E 0%, #3E8D77 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
}
h1 { font-size: 44px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }

p { margin: 0 0 var(--space-md); color: var(--text-secondary); }
a { color: var(--color-primary); text-decoration: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---------- Header ---------- */
.site-header {
  background: rgba(250, 249, 246, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--color-primary-dark);
}
.site-header nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
}
.site-header nav a {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
}
.header-cta {
  background: var(--color-primary);
  color: var(--text-on-primary) !important;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--gradient-hero);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.hero .eyebrow {
  display: inline-block;
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.hero h1 {
  max-width: 720px;
  margin: 0 auto var(--space-md);
  color: var(--color-primary-dark);
}
.hero p.lead {
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  font-size: 18px;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary, .btn-secondary {
  display: inline-block;
  border-radius: var(--radius-button);
  padding: 14px 28px;
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-on-primary);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--color-surface);
  color: var(--text-primary);
  border: 1px solid var(--color-border);
}

/* ---------- Sections ---------- */
.section { padding: var(--space-2xl) 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto var(--space-xl); }
.section-head h2 { color: var(--color-primary-dark); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
}
.card:hover { box-shadow: var(--shadow-md); }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: var(--space-md);
}

/* ---------- Pricing ---------- */
.pricing-card {
  text-align: center;
  position: relative;
}
.pricing-card.featured {
  border: 2px solid var(--color-primary);
  transform: translateY(-8px);
}
.pricing-card .price {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: var(--space-sm) 0;
}
.pricing-card .price span { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.pricing-card ul { list-style: none; padding: 0; margin: var(--space-md) 0; text-align: left; }
.pricing-card li { padding: 6px 0; color: var(--text-secondary); }
.badge-featured {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--text-on-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}

/* ---------- Dashboard elements (réutilisés depuis la maquette) ---------- */
.badge-success { background: var(--color-success-light); color: var(--color-success); border-radius: var(--radius-pill); padding: 4px 10px; font-size: 13px; font-weight: 700; }
.badge-today { background: var(--color-accent-light); color: var(--color-accent); border-radius: var(--radius-pill); padding: 4px 10px; font-size: 13px; font-weight: 700; }
.step-circle { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.step-circle.done { background: var(--color-success-light); color: var(--color-success); }
.step-circle.current { background: var(--color-accent-light); color: var(--color-accent); border: 2px solid var(--color-accent); }
.step-circle.locked { background: var(--color-locked-bg); color: var(--color-locked); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-lg); }
.site-footer a { color: rgba(255,255,255,0.8); }
.site-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .site-header nav { display: none; }
  h1 { font-size: 32px; }
  .pricing-card.featured { transform: none; }
}