/* ======================== */
/* 1. VARIABLES & RESET     */
/* ======================== */
:root {
  --primary: #3a6ea5;         /* Bleu plus clair et moderne */
  --secondary: #e74c3c;       /* Rouge plus vif et lisible */
  --accent: #f39c12;          /* Orange inchangé */
  --accent-bright: #e74c3c;   /* Rouge vif */
  --light: #f5f7fa;           /* Fond légèrement plus clair */
  --dark: #2c3e50;            /* Bleu foncé plus doux */
  --text: #333333;            /* Texte standard */
  --text-light: #666666;      /* Texte secondaire plus clair */
  --light-gray: #f8f9fa;      /* Gris très clair pour les fonds */
  --medium-gray: #e9ecef;     /* Gris moyen plus doux */
  --success: #2ecc71;         /* Vert plus vif */
  --promo: #e74c3c;           /* Rouge promo */
  --border-radius: 6px;       /* Coins légèrement plus arrondis */
  --box-shadow: 0 5px 15px rgba(0,0,0,0.08);  /* Ombre plus subtile */
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --header-height: 4rem;
  --content-spacing: clamp(1.25rem, 5vw, 4rem);
  --font-size-base: clamp(16px, 1vw, 18px);
  --font-size-h1: clamp(2.2rem, 6vw, 3rem);
  --font-size-h2: clamp(1.6rem, 4vw, 2.2rem);
  --font-size-h3: clamp(1.3rem, 3vw, 1.8rem);
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: 'Montserrat', Arial, sans-serif;
  color: var(--text);
  background-color: var(--light);
  line-height: 1.8;
  font-size: var(--font-size-base);
  padding-top: 0; /* padding only when banner is present via .has-promo */
  overflow-x: hidden;
  font-display: swap; /* Évite les décalages lors du chargement des polices */
}

/* Add top padding only when the promo banner is active on the page */
.has-promo {
  padding-top: 40px;
}

/* ======================== */
/* 2. TYPOGRAPHY            */
/* ======================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
  width: 100%;
}

h1 {
  font-size: var(--font-size-h1);
  color: white;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2); /* Ajout d'une ombre pour meilleure lisibilité */
  min-height: 3.5rem; /* Réserve l'espace pour éviter le layout shift */
}

h2 {
  font-size: var(--font-size-h2);
  color: var(--primary);
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--secondary);
}

h3 {
  font-size: var(--font-size-h3);
  color: var(--primary);
}

p {
  margin-bottom: 1.5rem;
  font-size: clamp(1rem, 1.1vw, 1.1rem);
  color: var(--text);
}

strong {
  font-weight: 700;
}

ul {
  list-style: none;
}

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

/* ======================== */
/* 3. BUTTONS & LINKS       */
/* ======================== */
a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: clamp(0.6rem, 2vw, 0.95rem) clamp(1.2rem, 3vw, 1.9rem);
  background-color: var(--secondary);
  color: white;
  text-align: center;
  border-radius: var(--border-radius);
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.15);
  font-size: clamp(0.95rem, 1vw, 1.05rem);
  white-space: nowrap;
}

.btn:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
  color: white;
  text-decoration: none;
}

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

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

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.btn-light {
  background-color: white;
  color: var(--primary);
}

.btn-light:hover {
  background-color: var(--light);
  color: var(--secondary);
}

.btn-full {
  display: block;
  width: 100%;
}

/* Conteneur pour les boutons côte à côte */
.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.hero-buttons .btn {
  flex: 1;
  min-width: 180px;
  text-align: center;
}

/* ======================== */
/* 4. LAYOUT & CONTAINERS   */
/* ======================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem);
}

section {
  padding: var(--content-spacing) 0;
}

main section {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  background: white;
  border-radius: var(--border-radius);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--box-shadow);
}

/* ======================== */
/* 5. BANNIÈRE PROMO        */
/* ======================== */
.promo-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--promo);
  color: white;
  text-align: center;
  padding: 0.5rem 0;
  z-index: 2000;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.promo-banner p {
  margin: 0;
  font-size: clamp(0.8rem, 1vw, 1rem);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  color: white; /* Assurez-vous que le texte est blanc */
}

.pulse-icon {
  animation: pulse 2s infinite;
  margin-right: 0.3rem;
}

.promo-link {
  color: white;
  text-decoration: underline;
  font-weight: 700;
  margin-left: 0.5rem;
  transition: var(--transition);
}

.promo-link:hover {
  color: var(--light);
}

/* ======================== */
/* 6. NAVIGATION            */
/* ======================== */
.navbar {
  background-color: white;
  position: sticky;
  top: 40px;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Navbar sans bannière (pour les pages blog) */
body:not(:has(.promo-banner)) .navbar {
  top: 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  flex-wrap: wrap;
}

.logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--primary);
  z-index: 1001;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1vw, 1.6rem);
}

.nav-menu li {
  margin: 0;
}

.nav-link {
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  display: block;
  padding: 0.5rem 0.25rem;
  font-size: clamp(0.9rem, 1vw, 1.05rem);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--secondary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  color: var(--secondary);
  font-weight: 700;
  border: 2px solid var(--secondary);
  border-radius: var(--border-radius);
  padding: 0.4rem 0.8rem;
}

.nav-cta:hover {
  background-color: var(--secondary);
  color: white;
}

.nav-cta:hover::after {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  margin: 3px 0;
  transition: var(--transition);
}

/* ======================== */
/* 7. HEADER                */
/* ======================== */
header {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: clamp(2.2rem, 6vw, 4.2rem) 1rem;
  position: relative;
}

/* Header avec fond d'échiquier */
.header-with-chessboard {
  background-image: linear-gradient(rgba(58, 110, 165, 0.85), rgba(58, 110, 165, 0.85)), url('echiquier.avif');
  background-size: cover;
  background-position: center;
  position: relative;
  z-index: 1;
}

header h1 {
  color: white;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-h1);
  text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

header h2 {
  font-weight: 400;
  color: var(--light);
  margin-bottom: 1.5rem;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  padding-bottom: 0;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

header h2::after {
  display: none;
}

.intro {
  font-style: italic;
  color: var(--light);
  opacity: 0.95;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Badge d'offre dans le header */
.header-offers {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.header-offer-badge {
  display: inline-block;
  background-color: var(--accent-bright);
  color: white;
  padding: clamp(0.5rem, 2vw, 0.75rem) clamp(1rem, 3vw, 1.5rem);
  border-radius: var(--border-radius);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transform: rotate(-3deg);
  animation: pulse 2s infinite;
}

/* Chess pattern overlay for header */
header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.05) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
  opacity: 0.3;
  z-index: 0;
}

.header-with-chessboard::before {
  display: none;
}

header > * {
  position: relative;
  z-index: 1;
}

/* ======================== */
/* 8. HERO SECTION          */
/* ======================== */
.hero {
  background-color: white;
  padding: clamp(2.2rem, 5vw, 3rem) 0;
  position: relative;
  box-shadow: var(--box-shadow);
}

.hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 3vw, 2rem);
}

.hero-text {
  flex: 1;
  min-width: 100%;
}

.hero-text h3 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.hero-text p {
  margin-bottom: 1.5rem;
  font-size: clamp(1.05rem, 1.2vw, 1.15rem);
  color: var(--text);
}

.badge-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.offre-speciale {
  display: inline-block;
  font-weight: bold;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: white;
  background-color: var(--secondary);
  padding: clamp(0.55rem, 1.5vw, 0.8rem) clamp(0.9rem, 2vw, 1.3rem);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transform: rotate(-2deg);
  position: relative;
}

.offre-speciale .offre-detail {
  display: block;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  margin-top: 0.25rem;
  opacity: 0.95;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--primary);
  color: white;
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  line-height: 1;
  height: fit-content;
}

/* Image "hero" */
.hero-image {
  flex: 1;
  min-width: 100%;
  text-align: center;
}

.image-wrapper {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border: 5px solid white;
  outline: 1px solid rgba(0,0,0,0.08);
  display: block;
  margin: 0 auto;
}

.hero-image img:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0,0,0,0.12);
}

.image-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  background-color: var(--accent-bright);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: clamp(0.75rem, 1.2vw, 0.95rem);
  font-weight: 700;
  box-shadow: 0 3px 8px rgba(0,0,0,0.15);
  transform: rotate(5deg);
  z-index: 2;
}

/* ======================== */
/* SECTION ÉCHIQUIER PLEINE LARGEUR */
/* ======================== */
.chessboard-showcase {
  height: clamp(220px, 50vw, 420px);
  background-image: url('echiquier.avif');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  margin: 0 -1.5rem 4rem -1.5rem;
  border-radius: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.chessboard-overlay {
  background-color: rgba(58, 110, 165, 0.7);
  padding: clamp(1.6rem, 4vw, 3.2rem);
  border-radius: var(--border-radius);
  backdrop-filter: blur(2px);
  max-width: clamp(85%, 100% - 2rem, 80%);
}

.chessboard-overlay h3 {
  color: white;
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  margin-bottom: 1rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.chessboard-overlay p {
  color: white;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  margin-bottom: 0;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* ======================== */
/* 9. ABOUT SECTION         */
/* ======================== */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.about p {
  text-align: justify;
  color: var(--text);
}

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: clamp(1.1rem, 2vw, 1.6rem);
  margin-top: clamp(1.1rem, 2vw, 1.6rem);
}

.stat-item {
  text-align: center;
  flex: 1 1 clamp(120px, 25%, 170px);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

.stat-number {
  display: block;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-text {
  display: block;
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text);
}

/* ======================== */
/* 10. ADVANTAGES SECTION   */
/* ======================== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(250px, 30%, 290px), 1fr));
  gap: clamp(1.1rem, 2vw, 1.6rem);
  margin-top: 2rem;
}

.advantage-card {
  background: var(--light-gray);
  padding: clamp(1.3rem, 2.5vw, 1.6rem);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border-left: 3px solid var(--primary);
  height: 100%;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  border-left-color: var(--secondary);
}

.advantage-icon {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--secondary);
  margin-bottom: 1rem;
}

.advantage-card h4 {
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-size: clamp(1.15rem, 1.5vw, 1.3rem);
}

.advantage-card p {
  margin-bottom: 0;
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  color: var(--text);
}

/* ======================== */
/* 11. LOCATION SECTION     */
/* ======================== */
.location-content {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.6rem, 4vw, 2.1rem);
  align-items: center;
}

.location-text {
  flex: 1.5;
  min-width: 100%;
}

.location-icon {
  color: var(--secondary);
  margin-right: 0.5rem;
}

.location-map {
  flex: 1;
  min-width: 100%;
}

.map-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  display: block;
  margin: 0 auto;
}

/* ======================== */
/* 12. TARIFS SECTION       */
/* ======================== */
.free-lesson-banner {
  background: linear-gradient(135deg, rgba(231, 76, 60, 0.85), rgba(231, 76, 60, 0.85)), url('echiquier.avif');
  background-size: cover;
  background-position: center;
  color: white;
  padding: clamp(1.6rem, 4vw, 2.1rem);
  border-radius: var(--border-radius);
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  box-shadow: 0 5px 15px rgba(0,0,0,0.12);
  position: relative;
  overflow: hidden;
}

.free-lesson-banner::before {
  display: none;
}

.free-lesson-banner > * {
  position: relative;
  z-index: 1;
}

.gift-icon {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
  animation: bounce 2s infinite;
}

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

.free-lesson-banner h3 {
  color: white;
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  margin-bottom: 1rem;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.free-lesson-banner h3 span {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  background-color: white;
  color: var(--secondary);
  padding: 0.2rem 0.5rem;
  margin: 0 0.3rem;
  display: inline-block;
  border-radius: 4px;
}

.free-lesson-banner p {
  margin-bottom: 1.5rem;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: white;
  text-shadow: 0 1px 1px rgba(0,0,0,0.1);
}

.free-lesson-banner .btn {
  background-color: white;
  color: var(--secondary);
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  padding: clamp(0.65rem, 1.5vw, 0.8rem) clamp(1.6rem, 3vw, 2.1rem);
}

.free-lesson-banner .btn:hover {
  background-color: var(--light);
  transform: translateY(-5px);
}

.tarifs-container {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.6rem, 4vw, 2.1rem);
  justify-content: center;
  margin-bottom: 2rem;
}

.tarif-card {
  flex: 1 1 clamp(260px, 40%, 360px);
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border: 1px solid var(--medium-gray);
  position: relative;
  margin-bottom: 1rem;
}

.tarif-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

.tarif-card.featured {
  border-color: var(--secondary);
  transform: scale(1.05);
}

.tarif-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.tarif-badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--accent);
  color: white;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-bottom-left-radius: var(--border-radius);
  z-index: 1;
}

.tarif-header {
  background-color: var(--primary);
  color: white;
  padding: clamp(1.3rem, 3vw, 1.6rem);
  text-align: center;
}

.tarif-card.featured .tarif-header {
  background-color: var(--secondary);
}

.tarif-header h3 {
  color: white;
  margin-bottom: 0.5rem;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  text-shadow: 0 1px 1px rgba(0,0,0,0.1);
}

.tarif-price {
  font-size: clamp(2.1rem, 4vw, 2.6rem);
  font-weight: 700;
}

.duration {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  font-weight: 400;
}

.tarif-body {
  padding: clamp(1.3rem, 3vw, 1.6rem);
}

.tarif-features {
  margin-bottom: 1.5rem;
}

.tarif-features li {
  margin-bottom: 0.8rem;
  padding-left: 1.6rem;
  position: relative;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text);
}

.tarif-features li i {
  position: absolute;
  left: 0;
  top: 0.4rem;
  color: var(--success);
}

.notice {
  text-align: center;
  font-weight: bold;
  color: var(--secondary);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  padding: clamp(1.3rem, 3vw, 1.6rem);
  background-color: var(--light);
  border-radius: var(--border-radius);
  border: 2px dashed var(--secondary);
  margin-top: 2rem;
}

.notice i {
  margin-right: 0.5rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ======================== */
/* SECTION FAQ              */
/* ======================== */
.faq {
  background-color: white;
  padding: clamp(2.2rem, 5vw, 4.2rem) 0;
  box-shadow: var(--box-shadow);
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.faq-item {
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
  border-left: 3px solid var(--primary);
}

.faq-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  border-left-color: var(--secondary);
}

.faq-item h4 {
  padding: 1.2rem 1.5rem;
  margin: 0;
  font-size: clamp(1.1rem, 1.5vw, 1.2rem);
  color: var(--primary);
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  position: relative;
}

.faq-item h4::after {
  content: '+';
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary);
  font-size: 1.5rem;
  font-weight: 700;
}

.faq-item.active h4::after {
  content: '-';
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  margin-bottom: 0;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text);
}

/* ======================== */
/* 13. TESTIMONIALS         */
/* ======================== */
.testimonials {
  background-color: var(--primary);
  color: white;
  text-align: center;
  padding: clamp(3.1rem, 6vw, 4.1rem) 0;
  background-image: linear-gradient(rgba(58, 110, 165, 0.85), rgba(58, 110, 165, 0.85)), url('echiquier.avif');
  background-size: cover;
  background-position: center;
  position: relative;
}

.testimonials h2 {
  color: white;
  margin-bottom: clamp(2.1rem, 5vw, 3.1rem);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.testimonials h2::after {
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent);
}

.testimonials-container {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.6rem, 4vw, 2.1rem);
  justify-content: center;
}

.testimonial-card {
  background-color: white;
  color: var(--text);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  padding: clamp(1.3rem, 3vw, 1.6rem);
  flex: 1 1 clamp(260px, 30%, 360px);
  position: relative;
  transition: var(--transition);
  margin-bottom: 1rem;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.testimonial-content {
  margin-bottom: 1.5rem;
  position: relative;
  padding-top: 1.5rem;
}

.testimonial-content::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 4rem;
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
  color: var(--medium-gray);
  z-index: 0;
}

.testimonial-content p {
  position: relative;
  z-index: 1;
  text-align: left;
  margin-bottom: 0;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text);
}

.testimonial-author {
  text-align: right;
  padding-top: 0.5rem;
  border-top: 1px solid var(--medium-gray);
}

.author-name {
  display: block;
  font-weight: 700;
  color: var(--primary);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
}

.author-title {
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  color: var(--secondary);
}

/* ======================== */
/* 14. CONTACT SECTION      */
/* ======================== */
.contact {
  background-color: white;
  padding: clamp(3.1rem, 6vw, 4.1rem) 0;
}

.free-trial-reminder {
  background-color: var(--accent-bright);
  color: white;
  padding: clamp(0.8rem, 2vw, 1.05rem);
  margin-bottom: 2rem;
  text-align: center;
  border-radius: var(--border-radius);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 700;
  animation: pulse 2s infinite;
  text-shadow: 0 1px 1px rgba(0,0,0,0.1);
}

.free-trial-reminder i {
  margin-right: 0.5rem;
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.6rem, 4vw, 2.1rem);
}

.contact-info {
  flex: 1 1 100%;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  color: var(--secondary);
  margin-right: 1rem;
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: 0.3rem;
  font-size: clamp(1.05rem, 1.3vw, 1.15rem);
  color: var(--primary);
}

.contact-message {
  padding: clamp(1.3rem, 3vw, 1.6rem);
  background-color: var(--light);
  border-radius: var(--border-radius);
  border-left: 3px solid var(--secondary);
  margin-top: 2rem;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text);
}

.contact-form {
  flex: 1 1 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  transition: var(--transition);
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.15);
}

/* ======================== */
/* 15. CTA SECTION          */
/* ======================== */
.cta {
  background-color: var(--secondary);
  color: white;
  text-align: center;
  padding: clamp(3.1rem, 6vw, 4.1rem) 0;
  position: relative;
  background-image: linear-gradient(rgba(231, 76, 60, 0.85), rgba(231, 76, 60, 0.85)), url('echiquier.avif');
  background-size: cover;
  background-position: center;
}

.cta-badge {
  background-color: var(--accent);
  color: white;
  font-weight: 700;
  padding: clamp(0.45rem, 1vw, 0.55rem) clamp(1.05rem, 2vw, 1.55rem);
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 1.5rem;
  transform: rotate(-2deg);
  box-shadow: 0 5px 10px rgba(0,0,0,0.08);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
}

.cta h3 {
  color: white;
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.cta p {
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.05rem, 1.3vw, 1.15rem);
  color: white;
  text-shadow: 0 1px 1px rgba(0,0,0,0.1);
}

.cta p strong {
  background-color: white;
  color: var(--secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* ======================== */
/* 16. FOOTER               */
/* ======================== */
footer {
  background-color: var(--dark);
  color: white;
  padding: clamp(2.1rem, 4vw, 3.1rem) 0 1rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.6rem, 4vw, 2.1rem);
  margin-bottom: 2rem;
}

.footer-logo {
  flex: 1 1 100%;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.35rem, 2vw, 1.55rem);
  font-weight: 700;
}

.footer-logo p {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  margin-top: 0.5rem;
  opacity: 0.85;
  color: white;
}

.footer-links {
  flex: 1 1 clamp(160px, 30%, 210px);
}

.footer-links h4,
.footer-social h4 {
  color: var(--light);
  margin-bottom: 1rem;
  font-size: clamp(1.05rem, 1.3vw, 1.15rem);
}

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links ul li a {
  color: var(--light);
  opacity: 0.85;
  transition: var(--transition);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
}

.footer-links ul li a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-social {
  flex: 1 1 clamp(160px, 30%, 210px);
}

.social-icons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.15);
  border-radius: 50%;
  color: white;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--secondary);
  color: white;
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  opacity: 0.75;
  color: white;
}

.footer-bottom p {
  color: white !important;
}

/* ======================== */
/* 17. FLOATING CTA BUTTON  */
/* ======================== */
.floating-cta {
  position: fixed;
  bottom: clamp(1.1rem, 3vw, 2.1rem);
  right: clamp(1.1rem, 3vw, 2.1rem);
  z-index: 999;
}

.floating-cta a {
  display: flex;
  align-items: center;
  background-color: var(--accent-bright);
  color: white;
  padding: clamp(0.75rem, 1.5vw, 1.05rem) clamp(1.05rem, 2vw, 1.55rem);
  border-radius: 50px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: var(--transition);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.2;
}

.floating-cta a:hover {
  background-color: var(--secondary);
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  color: white;
  text-decoration: none;
}

.floating-cta i {
  margin-right: 0.5rem;
  animation: pulse 2s infinite;
}

/* ======================== */
/* 18. MEDIA QUERIES        */
/* ======================== */
@media (min-width: 576px) and (max-width: 768px) {
  .promo-banner {
    padding: 0.4rem 0.5rem;
  }
  
  .promo-banner p {
    font-size: 0.85rem;
  }
}

@media (min-width: 576px) {
  .hero-text {
    min-width: 0;
    flex: 1 1 300px;
  }
  
  .hero-image {
    min-width: 0;
    flex: 1 1 300px;
  }
  
  .contact-info,
  .contact-form {
    flex: 1 1 45%;
  }
  
  .footer-logo {
    flex: 2 1 250px;
  }
  
  .location-text {
    min-width: 0;
    flex: 1.5 1 300px;
  }
  
  .location-map {
    min-width: 0;
    flex: 1 1 280px;
  }
}

@media (max-width: 991px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 100px; /* Ajusté pour la bannière promo */
    left: -100%;
    flex-direction: column;
    background-color: white;
    width: 100%;
    height: calc(100vh - 100px);
    transition: var(--transition);
    box-shadow: 0 5px 10px rgba(0,0,0,0.08);
    padding: 2rem;
    z-index: 999;
    align-items: flex-start;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-link {
    display: block;
    width: 100%;
    padding: 0.8rem 0;
    font-size: 1.15rem;
  }
  
  .nav-cta {
    margin-top: 1rem;
    text-align: center;
    display: inline-block;
    width: auto;
  }
  
  .menu-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
  
  .tarif-card.featured {
    transform: none;
    margin-top: 1rem;
    margin-bottom: 1rem;
  }
  
  .tarif-card.featured:hover {
    transform: translateY(-10px);
  }
  
  .promo-banner {
    padding: 0.35rem 0.5rem;
  }
  
  .promo-banner p {
    font-size: 0.8rem;
    gap: 0.15rem;
  }
  
  .promo-banner .pulse-icon {
    font-size: 0.75rem;
  }
  
  .chessboard-showcase {
    background-attachment: scroll; /* Fix for mobile scrolling */
  }
}

@media (max-width: 575px) {
  .hero-text {
    text-align: center;
  }
  
  .badge-container {
    justify-content: center;
  }
  
  .header-offer-badge {
    font-size: 1.15rem;
  }
  
  .badge-container {
    flex-direction: column;
    align-items: center;
  }
  
  .offre-speciale, .badge {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
    min-width: 100%;
  }
  
  .promo-banner p strong {
    display: inline;
    margin-bottom: 0;
  }
  
  .promo-link {
    font-size: 0.75rem;
  }
  
  .floating-cta {
    bottom: 0.6rem;
    right: 0.6rem;
  }
  
  .floating-cta a {
    padding: 0.65rem 0.85rem;
    font-size: 0.85rem;
  }
  
  /* Améliorations pour la lisibilité sur mobile */
  body {
    font-size: 16px; /* Garantir une taille de police minimale */
  }
  
  p, .advantage-card p, .tarif-features li {
    font-size: 16px; /* Taille de texte confortable sur mobile */
    line-height: 1.6;
  }
  
  .form-group input, 
  .form-group textarea {
    font-size: 16px; /* Éviter le zoom sur iOS */
    padding: 0.9rem;
  }
  
  /* Augmenter contraste et taille sur mobile */
  .testimonial-content p {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .contact-message, 
  .notice {
    font-size: 16px;
    line-height: 1.6;
  }
  
  /* Amélioration FAQ sur mobile */
  .faq-item h4 {
    font-size: 16px;
    padding: 1rem 1.2rem;
  }
  
  .faq-answer p {
    font-size: 16px;
    line-height: 1.6;
  }
}

/* ======================== */
/* 19. ACCESSIBILITY        */
/* ======================== */
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    animation-duration: 0.001s !important;
    animation-delay: 0s !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}

/* Mode sombre désactivé */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: light;
  }
}

/* ======================== */
/* 20. PRINT STYLES         */
/* ======================== */
@media print {
  .navbar,
  .promo-banner,
  .floating-cta,
  .footer-social {
    display: none !important;
  }
  
  body {
    background-color: white;
    font-size: 12pt;
    color: black;
  }
  
  header,
  .testimonials,
  .cta {
    background: none !important;
    color: black;
  }
  
  header h1,
  header h2,
  .testimonials h2 {
    color: black;
  }
  
  .container {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  a::after {
    content: " (" attr(href) ")";
    font-size: 90%;
  }
  
  h2::after {
    display: none;
  }
}

/* Style pour le message de confirmation */
.form-confirmation {
  margin-top: 2rem;
  padding: 1.5rem;
  background-color: rgba(46, 204, 113, 0.1);
  border-left: 5px solid var(--success);
  border-radius: var(--border-radius);
  animation: fadeIn 0.5s ease-in-out;
}

.confirmation-content {
  text-align: center;
}

.confirmation-icon {
  font-size: 3rem;
  color: var(--success);
  margin-bottom: 1rem;
}

.form-confirmation h3 {
  color: var(--success);
  margin-bottom: 0.5rem;
}

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