/* ============================================================
   0. CUSTOM PROPERTIES — Variables globales
   Toujours en premier : tout le reste en dépend.
   ============================================================ */
:root {
  /* Couleurs principales */
  --bleu: #1E88E5;
  --bleu-vif: #2196F3;
  --bleu-dark: #0D47A1;

  /* Neutres */
  --noir: #080808;
  --noir-2: #111111;
  --anthracite: #1E1E1E;
  --anthracite-2: #2C2C2C;
  --anthracite-3: #3D3D3D;
  --blanc: #F5F5F5;
  --blanc-pur: #ffffff;

  /* Gradients */
  --gradient-bleu: linear-gradient(135deg, #0D47A1 0%, #1E88E5 50%, #2196F3 100%);
  --gradient-noir: linear-gradient(180deg, #080808 0%, #1E1E1E 100%);

  /* Ombres */
  --shadow-bleu: 0 0 30px rgba(30,136,229,0.4);
  --shadow-card: 0 20px 60px rgba(0,0,0,0.6);

  /* Layout */
  --nav-h: 70px;
  --bar-h: 32px;
}


/* ============================================================
   1. RESET & BASE — Appliqué en priorité absolue
   ============================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--noir);
  color: var(--blanc);
  overflow-x: hidden;
}


/* ============================================================
   2. TEXTURE DE FOND GLOBAL — Pseudo-élément body
   Critique car positionné fixed derrière tout le contenu.
   ============================================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}


/* ============================================================
   3. NAVIGATION — Critique above-the-fold, position fixed
   ============================================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: var(--nav-h);
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30,136,229,0.2);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-bleu);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(30,136,229,0.3);
}
.nav-logo .logo-icon svg { width: 22px; height: 22px; fill: #fff; }
.nav-logo span {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  letter-spacing: 2px;
  color: var(--blanc-pur);
}
.nav-logo span em { color: var(--bleu); font-style: normal; }

/* Liens nav */
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(245,245,245,0.7);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--bleu-vif); }

/* Bouton CTA nav */
.btn-call {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-bleu);
  color: var(--blanc-pur);
  border: none;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-bleu);
  transition: all 0.2s;
  flex-shrink: 0;
  white-space: nowrap;
}
.btn-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(30,136,229,0.6);
}

/* Indicateur pulse */
.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #fff;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.7); }
  50%       { box-shadow: 0 0 0 10px rgba(255,255,255,0); }
}


/* ============================================================
   4. BARRE D'AVIS (MARQUEE) — Critique car fixed sous la nav
   ============================================================ */
.reviews-marquee-section {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  z-index: 99;
  background: var(--anthracite);
  border-top: 1px solid rgba(30,136,229,0.25);
  border-bottom: 1px solid rgba(30,136,229,0.25);
  height: var(--bar-h);
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Dégradés masquants gauche/droite */
.reviews-marquee-section::before,
.reviews-marquee-section::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.reviews-marquee-section::before {
  left: 95px;
  background: linear-gradient(to right, var(--anthracite), transparent);
}
.reviews-marquee-section::after {
  right: 0;
  background: linear-gradient(to left, var(--anthracite), transparent);
}

/* Label gauche */
.reviews-marquee-label {
  position: relative;
  height: 32px;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0 0.8rem;
  background: var(--bleu-dark);
  border-right: 2px solid var(--bleu-vif);
  gap: 0.35rem;
  min-width: 95px;
  flex-shrink: 0;
  z-index: 3;
}
.reviews-marquee-label .label-count  { font-family: 'Bebas Neue', sans-serif; font-size: 0.78rem; color: var(--blanc-pur); white-space: nowrap; }
.reviews-marquee-label .label-stars  { color: #FFD700; font-size: 0.5rem; }
.reviews-marquee-label .label-text   { font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 0.52rem; text-transform: uppercase; color: rgba(245,245,245,0.7); white-space: nowrap; }

/* Animation défilement */
.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 120s linear infinite;
  align-items: center;
  height: 32px;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Avis individuels */
.review-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 1rem;
  border-right: 1px solid rgba(30,136,229,0.2);
  white-space: nowrap;
  height: 32px;
  flex-shrink: 0;
}
.review-item .ri-stars  { color: #FFD700; font-size: 0.55rem; flex-shrink: 0; }
.review-item .ri-author { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 0.72rem; color: var(--bleu-vif); flex-shrink: 0; }
.review-item .ri-text   { font-family: 'Inter', sans-serif; font-size: 0.72rem; font-weight: 300; color: rgba(245,245,245,0.72); }


/* ============================================================
   5. HERO — Section principale above-the-fold
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + var(--bar-h) + 4rem) 2rem 4rem;
  overflow: hidden;
  background: var(--gradient-noir);
}

/* Grille décorative hero */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h60v60H0z" fill="none"/%3E%3Cpath d="M30 0v60M0 30h60" stroke="%231E88E5" stroke-width="0.5" opacity="0.1"/%3E%3C/svg%3E') 0/60px 60px;
  opacity: 0.15;
}

/* Vidéo de fond hero */
.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  pointer-events: none;
}
.hero-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(8,8,8,0.93);
}

/* Contenu hero — z-index au-dessus de la vidéo */
.hero-content,
.hero-badge,
.hero h1,
.hero-subtitle,
.hero-cta {
  position: relative;
  z-index: 3;
}
.hero-content { max-width: 1100px; text-align: center; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(30,136,229,0.15);
  border: 1px solid rgba(30,136,229,0.3);
  padding: 0.5rem 1.2rem;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bleu-vif);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 1.1;
  letter-spacing: 2px;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #fff 0%, var(--bleu-vif) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(245,245,245,0.7);
  margin: 0 auto 2.5rem;
  max-width: 700px;
  line-height: 1.6;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }


/* ============================================================
   6. BOUTONS GLOBAUX — Réutilisés partout
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--gradient-bleu);
  color: var(--blanc-pur);
  border: none;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-bleu);
  transition: all 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(30,136,229,0.7); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255,255,255,0.05);
  color: var(--blanc);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 1rem 2rem;
  border-radius: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--bleu-vif);
  transform: translateY(-3px);
}


/* ============================================================
   7. UTILITAIRES DE SECTION — Header générique réutilisable
   ============================================================ */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  background: rgba(30,136,229,0.15);
  border: 1px solid rgba(30,136,229,0.3);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bleu-vif);
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.1rem;
  color: rgba(245,245,245,0.6);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}


/* ============================================================
   8. SERVICES — Composant de section
   ============================================================ */
.services {
  padding: 6rem 2rem;
  background: var(--noir-2);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: var(--anthracite);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
  cursor: pointer;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--bleu-vif);
  box-shadow: var(--shadow-card);
}
.service-icon {
  width: 60px; height: 60px;
  background: var(--gradient-bleu);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-bleu);
}
.service-icon svg { width: 30px; height: 30px; fill: #fff; }
.service-card h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 1px;
  margin-bottom: 0.8rem;
  color: var(--blanc-pur);
}
.service-card p { color: rgba(245,245,245,0.65); line-height: 1.7; font-size: 0.95rem; }


/* ============================================================
   9. TÉMOIGNAGES — Composant de section
   ============================================================ */
.testimonials {
  padding: 6rem 2rem;
  background: var(--noir);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.testimonial-card {
  background: var(--anthracite);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
}
.testimonial-card:hover { border-color: var(--bleu-vif); transform: translateY(-5px); }
.testimonial-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.testimonial-avatar {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--gradient-bleu);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.2rem; color: #fff;
}
.testimonial-info h4  { font-weight: 600; font-size: 1rem; margin-bottom: 0.2rem; }
.testimonial-info .stars { color: var(--bleu-vif); font-size: 0.9rem; }
.testimonial-text { color: rgba(245,245,245,0.7); line-height: 1.7; font-size: 0.95rem; }


/* ============================================================
   10. PRICING — Composant de section
   ============================================================ */
.pricing {
  padding: 6rem 2rem;
  background: var(--noir-2);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--anthracite);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.pricing-card.featured { border-color: var(--bleu-vif); box-shadow: var(--shadow-bleu); }
.pricing-card.featured::before {
  content: 'POPULAIRE';
  position: absolute;
  top: 1rem; right: -2rem;
  background: var(--gradient-bleu);
  color: #fff;
  padding: 0.3rem 3rem;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 1px;
  transform: rotate(45deg);
}
.pricing-card:hover { transform: translateY(-8px); border-color: var(--bleu-vif); }
.pricing-title    { font-family: 'Bebas Neue', sans-serif; font-size: 1.8rem; letter-spacing: 1px; margin-bottom: 0.5rem; }
.pricing-subtitle { color: rgba(245,245,245,0.5); font-size: 0.85rem; margin-bottom: 1.5rem; }
.pricing-price    { font-family: 'Bebas Neue', sans-serif; font-size: 3rem; color: var(--bleu-vif); margin-bottom: 0.5rem; }
.pricing-price span { font-size: 1rem; color: rgba(245,245,245,0.5); }
.pricing-features { list-style: none; margin: 2rem 0; text-align: left; }
.pricing-features li {
  padding: 0.6rem 0;
  color: rgba(245,245,245,0.7);
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.pricing-features li::before { content: '✓'; color: var(--bleu-vif); font-weight: 700; font-size: 1.1rem; }


/* ============================================================
   11. CARTE / MAP — Composant de section
   ============================================================ */
.map-section {
  padding: 6rem 2rem;
  background: var(--noir);
}
.map-container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--anthracite);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  height: 500px;
  display: flex; align-items: center; justify-content: center;
}
.map-placeholder { text-align: center; color: rgba(245,245,245,0.5); }
.map-placeholder svg { width: 80px; height: 80px; fill: var(--bleu); opacity: 0.3; margin-bottom: 1rem; }


/* ============================================================
   12. FOOTER
   ============================================================ */
footer {
  background: var(--noir-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 3rem 2rem 1.5rem;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}
.footer-section h4   { font-family: 'Bebas Neue', sans-serif; font-size: 1.3rem; letter-spacing: 1px; margin-bottom: 1rem; color: var(--bleu-vif); }
.footer-section p,
.footer-section a    { color: rgba(245,245,245,0.6); font-size: 0.9rem; line-height: 1.8; text-decoration: none; display: block; }
.footer-section a:hover { color: var(--bleu-vif); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  color: rgba(245,245,245,0.4);
  font-size: 0.85rem;
}


/* ============================================================
   13. CHAT FLOTTANT — Widget secondaire (non-critique)
   ============================================================ */
.chat-fab {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 200;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--gradient-bleu);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-bleu);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.chat-fab:hover { transform: scale(1.1); box-shadow: 0 0 50px rgba(30,136,229,0.8); }
.chat-fab svg { width: 28px; height: 28px; fill: #fff; }

.chat-window {
  position: fixed;
  bottom: 6rem; right: 2rem;
  z-index: 199;
  width: 380px;
  max-width: calc(100vw - 4rem);
  height: 550px;
  background: var(--anthracite);
  border: 1px solid rgba(30,136,229,0.3);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: all 0.3s;
}
.chat-window.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }

.chat-header {
  background: var(--gradient-bleu);
  padding: 1.2rem;
  border-radius: 16px 16px 0 0;
  display: flex; align-items: center; gap: 0.8rem;
}
.chat-header-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.chat-header-icon svg { width: 22px; height: 22px; fill: #fff; }
.chat-header-text h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.1rem; }
.chat-header-text p  { font-size: 0.75rem; opacity: 0.9; }

.chat-steps {
  display: flex; gap: 0.5rem;
  padding: 1rem;
  background: var(--anthracite-2);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.chat-step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: all 0.3s;
}
.chat-step-dot.active { background: var(--bleu-vif); box-shadow: 0 0 10px var(--bleu-vif); }
.chat-step-dot.done   { background: var(--bleu); }

.chat-body {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 1rem;
}
.cw-msg { display: flex; flex-direction: column; gap: 0.5rem; }
.cw-msg.bot  { align-items: flex-start; }
.cw-msg.user { align-items: flex-end; }
.cw-bubble {
  background: var(--anthracite-3);
  padding: 0.8rem 1rem;
  border-radius: 12px;
  max-width: 80%;
  line-height: 1.6; font-size: 0.9rem;
}
.cw-msg.bot .cw-bubble  { background: rgba(30,136,229,0.15); border: 1px solid rgba(30,136,229,0.3); }
.cw-msg.user .cw-bubble { background: var(--gradient-bleu); color: #fff; }

.chat-suggestion {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  color: rgba(245,245,245,0.8);
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}
.chat-suggestion:hover:not(:disabled) { background: rgba(30,136,229,0.2); border-color: var(--bleu-vif); }
.chat-suggestion:disabled { opacity: 0.4; cursor: not-allowed; }

.chat-input {
  padding: 1rem;
  background: var(--anthracite-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; gap: 0.6rem;
}
.chat-input input {
  flex: 1;
  background: var(--anthracite-3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--blanc);
  font-family: 'Rajdhani', sans-serif; font-size: 0.9rem;
}
.chat-input input:focus { outline: none; border-color: var(--bleu-vif); }
.chat-send {
  background: var(--gradient-bleu);
  border: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.chat-send:hover:not(:disabled) { transform: scale(1.05); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; }
.chat-send svg { width: 18px; height: 18px; fill: #fff; }


/* ============================================================
   14. RESPONSIVE — En dernier pour override propre
   ============================================================ */

/* ── Tablette 600–900px ── */
@media (max-width: 900px) {
  nav { padding: 0 1rem; }
  .nav-logo span { font-size: 1.05rem; letter-spacing: 1px; }
  .nav-logo .logo-icon { width: 30px; height: 30px; }
  .nav-links { gap: 0.8rem; }
  .nav-links a { font-size: 0.68rem; letter-spacing: 0.6px; }
  .btn-call { padding: 0.5rem 0.85rem; font-size: 0.82rem; }

  .chat-window { width: calc(100vw - 2rem); right: 1rem; bottom: 5rem; }
  .chat-fab { right: 1rem; bottom: 1rem; }
}

/* ── Mobile <600px : masquer les liens nav ── */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .btn-call { padding: 0.55rem 1rem; font-size: 0.88rem; }
}

/* ── Très petit <360px : texte du bouton masqué ── */
@media (max-width: 360px) {
  .btn-call .btn-text { display: none; }
}