/*
Theme Name: Fastoche
Theme URI: https://example.com
Author: Toi
Description: Fastoche — les maths du collège, enfin faciles. Plateforme d'apprentissage par abonnement, design moderne.
Version: 7.0
Text Domain: fastoche
*/

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

:root {
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-alt: #FFFBEA;
  --color-border: #E5EAF2;

  --color-primary: #1C5FC1;
  --color-primary-light: #E4EEFC;
  --color-primary-dark: #123E82;
  --color-primary-soft: #EAF2FD;

  --color-success: #1FAA5C;
  --color-success-light: #E3F7EB;

  --color-accent: #F5A623;
  --color-accent-light: #FEF1DA;

  --color-coral: #EF4444;
  --color-coral-light: #FDEBEB;

  --color-blue: #1C5FC1;
  --color-blue-light: #E4EEFC;

  --color-locked: #C7CCDA;
  --color-locked-bg: #EEF0F5;

  --text-primary: #12233F;
  --text-secondary: #5B6478;
  --text-muted: #98A0B3;
  --text-on-primary: #FFFFFF;

  --font-main: 'Inter', 'Segoe UI', sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;

  --radius-card: 16px;
  --radius-button: 10px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 72px;

  --shadow-sm: 0 2px 8px rgba(18, 35, 63, 0.06);
  --shadow-md: 0 8px 24px rgba(18, 35, 63, 0.10);
  --shadow-lg: 0 20px 48px rgba(18, 35, 63, 0.14);

  --gradient-hero: linear-gradient(180deg, #EAF2FD 0%, #FFFFFF 100%);
  --gradient-primary: linear-gradient(120deg, #1C5FC1 0%, #123E82 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
#fonctionnalites, #niveaux, #essai, #pricing, #comment {
  scroll-margin-top: 90px;
}

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: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
}
h1 { font-size: 40px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }

p { margin: 0 0 var(--space-md); color: var(--text-secondary); }
a { color: var(--color-primary); text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.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);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-display);
}

.header-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}
.header-cta:hover { background: var(--color-primary-dark); }

/* ---------- Section niveaux (Choisis ta classe) ---------- */
.levels-section { background: var(--color-primary); padding: var(--space-2xl) var(--space-lg); position: relative; overflow: hidden; }
.levels-section .section-head h2, .levels-section .section-head p { color: #fff; }
.levels-section .kicker { color: var(--color-accent); }
.level-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); max-width: 720px; margin: 0 auto; }
.level-tile {
  background: var(--color-primary-dark);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  color: #fff;
  display: block;
  transition: transform 0.15s ease;
}
.level-tile:hover { transform: translateY(-3px); color: #fff; }
.level-tile .level-num { font-family: var(--font-display); font-size: 34px; font-weight: 700; display: block; margin-bottom: 6px; }
.level-tile p { color: rgba(255,255,255,0.75); margin: 0; font-size: 14px; }
.levels-note {
  max-width: 720px;
  margin: var(--space-lg) auto 0;
  background: var(--color-surface-alt);
  border-radius: var(--radius-card);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.levels-note p { margin: 0; color: var(--text-primary); font-size: 14px; }

@media (max-width: 600px) {
  .level-grid { grid-template-columns: 1fr; }
}

.breadcrumb { display: inline-block; font-size: 14px; font-weight: 600; color: var(--text-secondary); margin: var(--space-lg) 0 var(--space-md); }
.breadcrumb:hover { color: var(--color-primary); }

/* ---------- Icônes décoratives de matériel mathématique ---------- */
.bg-icon { position: absolute; pointer-events: none; z-index: -1; }
.bg-icon.c-light { color: #fff; opacity: 0.18; }
.bg-icon.c-primary { color: var(--color-primary); opacity: 0.16; }
.bg-icon.c-accent { color: var(--color-accent); opacity: 0.20; }

.level-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}
.level-filter {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--text-secondary);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.level-filter:hover { border-color: var(--color-primary); color: var(--color-primary); }
.level-filter.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.lesson-item { transition: opacity 0.25s ease, transform 0.25s ease; }
.lesson-item.is-hidden { display: none; }
.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;
}

/* ---------- Hero : bannière plein écran, image en fond, texte superposé ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(440px, 56vw, 640px);
  display: flex;
  align-items: center;
  background: #EAF1FC;
}

.hero-banner-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-banner-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% center;
}
/* Fondu blanc côté texte pour garder le visage et les formules visibles à droite */
.hero-banner-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    #FFFFFF 0%,
    rgba(255,255,255,0.97) 30%,
    rgba(255,255,255,0.85) 42%,
    rgba(255,255,255,0.4) 54%,
    rgba(255,255,255,0) 68%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.hero-text {
  text-align: left;
  max-width: 480px;
}
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.hero h1 {
  margin: 0 0 var(--space-md);
  color: var(--text-primary);
  font-size: 48px;
  line-height: 1.12;
}
.hero p.lead {
  max-width: 460px;
  margin: 0 0 var(--space-lg);
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 400;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: flex-start;
}

@media (max-width: 860px) {
  .hero {
    display: block;
    min-height: 0;
    padding-top: var(--space-xl);
  }
  .hero-banner-wrap {
    position: relative;
    inset: auto;
    height: 260px;
  }
  .hero-banner-wrap::after {
    background: linear-gradient(180deg, rgba(255,255,255,0) 55%, #FFFFFF 100%);
  }
  .hero-inner {
    position: relative;
    padding: var(--space-lg) var(--space-lg) var(--space-xl);
    margin-top: -40px;
  }
  .hero-text { max-width: none; text-align: center; margin: 0 auto; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero h1 { font-size: 32px; }
}
.btn-primary, .btn-secondary {
  display: inline-block;
  border-radius: var(--radius-pill);
  padding: 14px 28px;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: var(--font-main);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { filter: brightness(0.95); }

/* ---------- Sections ---------- */
.section { padding: var(--space-2xl) 0; position: relative; overflow: hidden; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto var(--space-xl); }
.section-head h2 { color: var(--text-primary); }
.section-head .kicker { display: block; color: var(--color-primary); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-sm); }

.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);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto var(--space-md);
}

/* ---------- Pricing ---------- */
.pricing-card {
  text-align: center;
  position: relative;
}
.pricing-card.featured {
  background: var(--color-surface-alt);
  border: 2px solid var(--color-accent);
  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; display: inline-block; margin-top: var(--space-sm); }
.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: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 700; color: #fff; }
.step-circle.done { background: var(--color-success); }
.step-circle.current { background: var(--color-primary); box-shadow: 0 0 0 5px var(--color-primary-light); }
.step-circle.locked { background: var(--color-locked); }

/* ---------- Parcours en chemin sinueux ---------- */
.skill-path {
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.skill-node-row { display: flex; align-items: center; gap: var(--space-md); }
.skill-node-row.offset-left { align-self: flex-start; margin-left: 8%; }
.skill-node-row.offset-right { align-self: flex-end; margin-right: 8%; }
.skill-node-wrap { display: flex; flex-direction: column; align-items: center; gap: 6px; margin: 6px 0; }
.skill-node-wrap span { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.skill-connector { width: 2px; height: 26px; background: var(--color-border); }

/* ---------- Contenu éditeur WordPress (leçons, pages) ---------- */
.lesson-content { font-size: 17px; }
.lesson-content h2 { margin-top: var(--space-lg); color: var(--color-primary-dark); }
.lesson-content img { max-width: 100%; border-radius: var(--radius-card); margin: var(--space-md) 0; }
.lesson-content ul, .lesson-content ol { padding-left: 20px; }
.lesson-content li { margin-bottom: 6px; color: var(--text-secondary); }

/* ---------- Visuel de quiz (schéma illustrant la question) ---------- */
.quiz-visual {
  display: flex;
  justify-content: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-button);
  padding: var(--space-md) var(--space-sm);
  margin: var(--space-sm) 0 var(--space-md);
}
.quiz-visual svg { width: 100%; max-width: 260px; height: auto; display: block; }

/* ---------- Coach IA (explique-moi autrement / vérifie ma réponse) ---------- */
.coach-card {
  background: linear-gradient(160deg, var(--color-primary-soft) 0%, #FFFFFF 55%);
  border: 1px solid var(--color-border);
}
.coach-head { display: flex; align-items: flex-start; gap: var(--space-md); margin-bottom: var(--space-md); }
.coach-avatar {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-sm);
}
.coach-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-sm); }
.coach-chip {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 9px 16px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.coach-chip:hover:not(:disabled) { border-color: var(--color-primary); transform: translateY(-2px); }
.coach-chip.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.coach-chip:disabled { cursor: default; opacity: 0.55; }
.coach-chip.is-active:disabled { opacity: 1; }

.coach-chat { margin-top: var(--space-md); display: flex; flex-direction: column; gap: 10px; }
.coach-bubble {
  max-width: 88%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.5;
}
.coach-bubble-user {
  align-self: flex-end;
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.coach-bubble-bot {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.coach-typing { display: flex; gap: 5px; align-items: center; padding: 16px; }
.coach-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.4;
  animation: coach-bounce 1.1s infinite ease-in-out;
}
.coach-typing span:nth-child(2) { animation-delay: 0.15s; }
.coach-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes coach-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* ---------- Célébration quiz réussi ---------- */
.quiz-card { position: relative; overflow: visible; }
.quiz-card-solved { animation: quiz-pop 0.4s ease; }
@keyframes quiz-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.015); }
  100% { transform: scale(1); }
}
.quiz-spark {
  position: absolute;
  top: -10px;
  right: 14px;
  font-size: 26px;
  animation: quiz-spark-fly 0.9s ease forwards;
  pointer-events: none;
}
@keyframes quiz-spark-fly {
  0% { opacity: 0; transform: translateY(6px) scale(0.6) rotate(0deg); }
  30% { opacity: 1; transform: translateY(-8px) scale(1.15) rotate(-8deg); }
  100% { opacity: 0; transform: translateY(-28px) scale(1) rotate(10deg); }
}

/* ---------- 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; }
}