@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

/* -------------------------------------------------------------------------- */
/* 1. DESIGN SYSTEM & VARIABLES                                                */
/* -------------------------------------------------------------------------- */

:root {
  --font-title: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Palette de couleurs claires par défaut */
  --bg-color: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.6);
  --bg-card-hover: rgba(255, 255, 255, 0.85);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(124, 58, 237, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --color-primary: #6d28d9; /* Violet plus contrasté */
  --color-primary-light: #7c3aed;
  --color-secondary: #0891b2; /* Cyan plus contrasté */
  --color-accent: #db2777; /* Rose/Rouge plus contrasté */

  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
  --gradient-accent: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --gradient-glow: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(6, 182, 212, 0.05) 100%);
  --gradient-text: linear-gradient(135deg, #0f172a 30%, #581c87 100%);
  --gradient-text-accent: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.12);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Variables dynamiques */
  --bg-header-scrolled: rgba(248, 250, 252, 0.8);
  --bg-floating-badge: rgba(255, 255, 255, 0.85);
  --bg-popular-card: rgba(124, 58, 237, 0.04);
  --bg-select-option: #ffffff;
  --bg-footer: #f1f5f9;
  --bg-mobile-menu: rgba(248, 250, 252, 0.95);
  --shadow-theme-toggle: 0 0 0 2px rgba(124, 58, 237, 0.2);
  --bg-btn-secondary: rgba(15, 23, 42, 0.05);
  --bg-btn-secondary-hover: rgba(15, 23, 42, 0.08);
  --slider-track: rgba(15, 23, 42, 0.15);
}


/* Reset de base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Arrière-plan décoratif néon */
.blur-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, rgba(0,0,0,0) 100%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-top-right {
  top: -150px;
  right: -100px;
}

.glow-middle-left {
  top: 50%;
  left: -200px;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(124, 58, 237, 0.04) 50%, rgba(0,0,0,0) 100%);
}

.glow-bottom-right {
  bottom: -200px;
  right: -100px;
}

/* -------------------------------------------------------------------------- */
/* 2. TYPOGRAPHIE & BOUTONS                                                   */
/* -------------------------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  max-width: 650px;
  margin: 0 auto 4rem auto;
  text-align: center;
}

p {
  color: var(--text-secondary);
}

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

/* Boutons premium */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 0.5rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5), var(--shadow-glow);
}

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

.btn-secondary {
  background: var(--bg-btn-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-btn-secondary-hover);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

.btn-outline-accent {
  background: transparent;
  color: var(--color-primary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.btn-outline-accent:hover {
  background: rgba(124, 58, 237, 0.08);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* -------------------------------------------------------------------------- */
/* 3. HEADER & NAVIGATION                                                     */
/* -------------------------------------------------------------------------- */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem 2rem;
  z-index: 100;
  transition: all var(--transition-normal);
}

header.scrolled {
  background-color: var(--bg-header-scrolled);
  backdrop-filter: blur(15px);
  padding: 0.85rem 2rem;
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  gap: 0.5rem;
  background: var(--gradient-text-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo svg {
  stroke: url(#logo-grad);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle svg {
  stroke: var(--text-primary);
}

/* -------------------------------------------------------------------------- */
/* 4. SECTION HERO                                                            */
/* -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  text-align: left;
}

.badge-promo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--color-primary-light);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: var(--font-title);
}

.badge-promo span {
  width: 6px;
  height: 6px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--color-secondary);
  animation: pulse-glow 2s infinite;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mockup Hero */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-lg);
  padding: 6px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.3) 0%, rgba(6, 182, 212, 0.1) 100%);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  overflow: hidden;
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.hero-mockup-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 4px);
  display: block;
  object-fit: cover;
}

.floating-badge {
  position: absolute;
  background: var(--bg-floating-badge);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: float 4s ease-in-out infinite;
}

.badge-1 {
  bottom: 30px;
  left: -20px;
  animation-delay: 0.5s;
}

.badge-2 {
  top: 40px;
  right: -20px;
  animation-delay: 1.5s;
}

.floating-badge svg {
  color: var(--color-secondary);
}

.floating-badge span {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* -------------------------------------------------------------------------- */
/* 5. FONCTIONNALITÉS (FEATURES GRID)                                         */
/* -------------------------------------------------------------------------- */

.section {
  position: relative;
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  background-color: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: 0 15px 35px rgba(124, 58, 237, 0.08);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-primary-light);
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.95rem;
}

/* -------------------------------------------------------------------------- */
/* 6. MOCKUP INTERACTIF (DEMO TABS)                                           */
/* -------------------------------------------------------------------------- */

.tabs-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.35rem;
  border-radius: var(--radius-full);
  margin-bottom: 3rem;
  backdrop-filter: blur(10px);
}

.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding: 0.6rem 1.75rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.25);
}

.tabs-content {
  width: 100%;
  position: relative;
}

.tab-panel {
  display: none;
  animation: fadeIn var(--transition-slow) forwards;
}

.tab-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tab-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tab-text p {
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.features-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.features-list li svg {
  color: var(--color-secondary);
  flex-shrink: 0;
}

.tab-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius-lg);
  padding: 5px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(124, 58, 237, 0.1) 100%);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tab-visual-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 5px);
  display: block;
}

/* -------------------------------------------------------------------------- */
/* 7. PLANS & TARIFS                                                          */
/* -------------------------------------------------------------------------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem 2.5rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: var(--color-primary);
  background-color: var(--bg-popular-card);
  box-shadow: 0 10px 40px rgba(124, 58, 237, 0.08);
}

.pricing-card.popular::before {
  content: 'Populaire';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
}

.plan-name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.plan-price {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2rem;
  display: flex;
  align-items: baseline;
}

.plan-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.plan-features li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

.plan-features li svg {
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.plan-features li.disabled svg {
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------- */
/* 8. TÉMOIGNAGES                                                             */
/* -------------------------------------------------------------------------- */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  border-color: rgba(255,255,255,0.15);
  background-color: var(--bg-card-hover);
}

.quote-icon {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 4rem;
  line-height: 1;
  font-family: var(--font-title);
  font-weight: 800;
  color: rgba(124, 58, 237, 0.08);
  pointer-events: none;
}

.rating {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
  margin-bottom: 1.5rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 2rem;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.author-name {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------- */
/* 9. FAQ ACCORDÉON                                                           */
/* -------------------------------------------------------------------------- */

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-header {
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) cubic-bezier(0, 1, 0, 1), padding var(--transition-normal);
  padding: 0 2rem;
}

.faq-body p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-bottom: 1.5rem;
}

/* Actions FAQ ouverte */
.faq-item.active {
  border-color: rgba(124, 58, 237, 0.3);
  background-color: var(--bg-card-hover);
}

.faq-item.active .faq-header h3 {
  color: var(--color-primary-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary-light);
}

.faq-item.active .faq-body {
  max-height: 1000px; /* Assez grand pour accueillir le texte */
  transition: max-height var(--transition-normal) cubic-bezier(1, 0, 1, 0), padding var(--transition-normal);
}

/* -------------------------------------------------------------------------- */
/* 10. CONTACT / FORMULAIRE LEAD                                              */
/* -------------------------------------------------------------------------- */

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.contact-card h2 {
  margin-bottom: 1rem;
}

.contact-card .section-subtitle {
  margin-bottom: 3rem;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary-light);
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select option {
  background-color: var(--bg-select-option);
  color: var(--text-primary);
}

.form-btn-wrapper {
  grid-column: span 2;
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.form-btn-wrapper .btn {
  width: 100%;
  max-width: 300px;
}

/* Message de succès */
.form-success-msg {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: scaleUp var(--transition-normal) forwards;
}

.success-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.form-success-msg h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #10b981;
}

/* -------------------------------------------------------------------------- */
/* 11. FOOTER                                                                 */
/* -------------------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--border-color);
  padding: 5rem 2rem 2.5rem 2rem;
  position: relative;
  z-index: 1;
  background-color: var(--bg-footer);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-about .logo {
  margin-bottom: 1.5rem;
}

.footer-about p {
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column ul a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-column ul a:hover {
  color: var(--text-primary);
  padding-left: 2px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: justify;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text-secondary);
}

/* -------------------------------------------------------------------------- */
/* 12. ANIMATIONS & MEDIA QUERIES                                             */
/* -------------------------------------------------------------------------- */

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

@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 0.8; box-shadow: 0 0 4px var(--color-secondary); }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--color-secondary); }
  100% { transform: scale(1); opacity: 0.8; box-shadow: 0 0 4px var(--color-secondary); }
}

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

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

/* Animation d'apparition au scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .hero-desc {
    margin: 0 auto 2.5rem auto;
  }

  .tab-panel.active {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .tab-panel .tab-visual {
    order: -1;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* Mobile menu overlay */
@media (max-width: 768px) {
  #nav-menu[style*="flex"] {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-mobile-menu);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 99;
    padding: 2rem;
  }

  #nav-menu[style*="flex"] li a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-title);
  }
}

@media (max-width: 768px) {
  header {
    padding: 1rem 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: block;
    z-index: 100;
  }

  .nav-cta .btn-secondary {
    display: none;
  }

  /* Sections */
  .section {
    padding: 5rem 1.25rem;
  }

  .hero {
    padding: 6rem 1.25rem 3rem;
  }

  /* Floating badges cachés sur mobile (débordeaient hors écran) */
  .floating-badge {
    display: none;
  }

  /* Hero */
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .hero-stats {
    justify-content: center;
    width: 100%;
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .stat-val {
    font-size: 1.4rem;
  }

  /* Tabs nav - empilé verticalement */
  .tabs-nav {
    flex-direction: column;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 360px;
    margin-bottom: 2rem;
  }

  .tab-btn {
    width: 100%;
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
  }

  /* Smartphone emulator */
  .smartphone-emulator {
    width: 240px;
    height: 480px;
  }

  /* Proximity banner */
  .proximity-banner {
    flex-direction: column !important;
    text-align: center !important;
    gap: 1rem !important;
    padding: 1.25rem !important;
  }

  /* ROI Calculator */
  .roi-calc-card {
    padding: 1.5rem 1.25rem;
  }

  /* Contact */
  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .form-btn-wrapper {
    grid-column: span 1;
  }

  .contact-card {
    padding: 1.75rem 1.25rem;
  }

  /* Footer */
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  footer {
    padding: 3rem 1.25rem 2rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3.5rem 1rem;
  }

  .hero {
    padding: 5.5rem 1rem 2.5rem;
  }

  h1 {
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }

  .hero-desc {
    font-size: 1rem;
  }

  /* Emulator encore plus petit sur très petit écran */
  .smartphone-emulator {
    width: 210px;
    height: 430px;
  }

  /* Pricing cards */
  .pricing-card {
    padding: 2rem 1.5rem;
  }

  /* Feature cards */
  .feature-card {
    padding: 1.75rem;
  }

  /* Footer 1 colonne */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Tabs nav plus compact */
  .tabs-nav {
    max-width: 100%;
  }

  .contact-card {
    padding: 1.5rem 1rem;
  }

  /* ROI calculator */
  .result-savings {
    font-size: 1.75rem;
  }
}

/* -------------------------------------------------------------------------- */
/* 13. (ancien theme toggle — supprimé)                                       */
/* -------------------------------------------------------------------------- */

/* -------------------------------------------------------------------------- */
/* 14. DEMO CTA BOX                                                           */
/* -------------------------------------------------------------------------- */

.demo-cta-box {
  margin-top: 4rem;
  text-align: center;
  background: var(--bg-card);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-color);
  width: 100%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.demo-cta-box h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-weight: 700;
}

.demo-cta-box p {
  max-width: 500px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

/* -------------------------------------------------------------------------- */
/* 15. INTERACTIVE SHOWCASE UPGRADES                                          */
/* -------------------------------------------------------------------------- */

/* Glassmorphism hover effects on cards */
.feature-card {
  transition: all var(--transition-normal);
}
.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.15);
  border-color: var(--color-primary-light);
}

/* ROI Calculator Styles */
.roi-calculator-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 3rem auto;
  padding: 0 1rem;
}

.roi-calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.roi-calc-card h3 {
  font-size: 1.5rem;
  font-family: var(--font-title);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

.calc-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.calc-control {
  display: flex;
  flex-direction: column;
}

.roi-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 5px;
  background: var(--slider-track, rgba(15, 23, 42, 0.15));
  outline: none;
  transition: background 0.3s;
}

.roi-slider::-webkit-slider-runnable-track {
  background: var(--slider-track, rgba(15, 23, 42, 0.15));
  height: 6px;
  border-radius: 5px;
}

.roi-slider::-moz-range-track {
  background: var(--slider-track, rgba(15, 23, 42, 0.15));
  height: 6px;
  border-radius: 5px;
}

.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -7px;
  border-radius: 50%;
  background: var(--gradient-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
  transition: transform 0.1s;
}

.roi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-result {
  background: rgba(124, 58, 237, 0.05);
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 180px;
}

.result-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.result-savings {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  color: #10b981;
  text-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
  margin-bottom: 0.25rem;
}

.annual-savings {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-light);
}

/* Customizer Box Styles */
.customizer-box {
  margin-top: 2rem;
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.customizer-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.customizer-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.sector-opt, .delivery-opt {
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sector-opt.active, .sector-opt:hover, .delivery-opt.active, .delivery-opt:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.2);
}

.color-opt {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.color-opt:hover {
  transform: scale(1.1);
}

.color-opt.active {
  border-color: #fff !important;
  transform: scale(1.15);
}

/* Smartphone Emulator */
.smartphone-emulator {
  width: 290px;
  height: 580px;
  background: #1e1e24;
  border: 12px solid #2d2d35;
  border-radius: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 2px rgba(255, 255, 255, 0.05);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

.phone-speaker {
  width: 60px;
  height: 6px;
  background: #2d2d35;
  border-radius: 3px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.phone-home-button {
  width: 32px;
  height: 32px;
  border: 2px solid #2d2d35;
  border-radius: 50%;
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  cursor: pointer;
}

.phone-screen {
  flex-grow: 1;
  margin-top: 18px;
  margin-bottom: 48px;
  background: #0f0f13;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.emulated-header {
  padding: 0.85rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  transition: background-color 0.3s;
}

.emu-shop-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
}

.emulated-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-bottom: 4rem;
}

.emulated-body::-webkit-scrollbar {
  display: none;
}

.emu-hero-banner {
  padding: 0.75rem;
  border-radius: 8px;
  text-align: center;
  transition: background-color 0.3s;
}

.emu-hero-banner h4 {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  transition: color 0.3s;
}

.emu-hero-banner p {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin: 0;
}

.emu-categories {
  display: flex;
  gap: 0.35rem;
}

.emu-cat-badge {
  font-size: 0.65rem;
  padding: 0.25rem 0.5rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s;
}

.emu-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.emu-prod-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s;
}

.emu-prod-card:hover {
  transform: translateY(-2px);
}

.emu-prod-img {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.emu-prod-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.15rem;
}

.emu-prod-price {
  font-size: 0.65rem;
  color: #10b981;
  font-weight: 700;
}

/* Mondial Relay Map Overlay */
.emulated-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 15, 19, 0.95);
  z-index: 20;
  display: flex;
  flex-direction: column;
  animation: fadeIn var(--transition-fast) forwards;
}

.overlay-header {
  padding: 0.75rem 1rem;
  background: #1e1e24;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #fff;
  font-weight: 600;
}

.simulated-map {
  flex-grow: 1;
  position: relative;
  background: #242424;
  overflow: hidden;
}

.map-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 10px 10px;
}

.map-marker {
  position: absolute;
  font-size: 1.25rem;
  cursor: pointer;
  animation: float 2s infinite ease-in-out;
  transition: transform 0.2s;
}

.map-marker:hover {
  transform: scale(1.3);
}

.selected-point-box {
  background: #1e1e24;
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.emulated-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #18181f;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.5rem 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.emu-cart-summary {
  display: flex;
  flex-direction: column;
  font-size: 0.65rem;
}

.emu-checkout-btn {
  color: #fff;
  border: none;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.emu-checkout-btn:hover {
  opacity: 0.9;
}

/* FAQ Search Input Focus style */
#faq-search-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.2);
  background: #ffffff;
}

/* Mobile responsive layout fixes */
@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Bouton retour en haut */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 5.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
  z-index: 90;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#back-to-top:hover {
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.6);
  transform: translateY(-3px);
}

#back-to-top:active {
  transform: translateY(0);
}

@media (max-width: 768px) {
  #back-to-top {
    /* Empilé au-dessus du bouton chat (50px + 16px bottom + 14px gap = 80px) */
    bottom: 5rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
  }
}

/* Utilities */
.hidden {
  display: none !important;
}