/* ============================================
   ONE SECURITY — Charte Graphique Officielle
   Noir #0E0E0E · Jaune #F5D000 · Gris #BFC2C7
   Typographie : Oswald (titres) · Inter (corps)
   ============================================ */

:root {
  --black:    #0E0E0E;
  --black-2:  #161616;
  --black-3:  #222222;
  --yellow:   #F5D000;
  --yellow-d: #c9aa00;
  --grey:     #BFC2C7;
  --grey-d:   #8a8e94;
  --white:    #FFFFFF;
  --shadow:   0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:0 16px 50px rgba(0,0,0,0.65);
  --t:        all 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--white);
  background: var(--black);
  line-height: 1.6;
}

/* ---- Typographie ---- */
h1, h2, h3, h4, h5 {
  font-family: 'Oswald', sans-serif;
  letter-spacing: 1px;
}

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- Boutons (charte : jaune/noir avec inversion au hover) ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--t);
}
/* Primaire : Fond jaune · texte noir → hover : fond noir · texte jaune */
.btn-primary {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn-primary:hover {
  background: var(--black);
  color: var(--yellow);
  box-shadow: 0 0 0 1px var(--yellow);
}
/* Secondaire : Fond transparent · contour jaune · texte jaune */
.btn-secondary {
  background: transparent;
  color: var(--yellow);
  border-color: var(--yellow);
}
.btn-secondary:hover {
  background: var(--yellow);
  color: var(--black);
}
.btn-full { width: 100%; }

/* ---- Badge / étiquette de section ---- */
.badge {
  display: inline-block;
  background: var(--yellow);
  color: var(--black);
  padding: 5px 16px;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ---- En-tête de section ---- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-header p {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  color: var(--grey);
  max-width: 560px;
  margin: 0 auto;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(14, 14, 14, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245,208,0,0.15);
  transition: var(--t);
}
.navbar.scrolled {
  border-bottom-color: rgba(245,208,0,0.4);
  box-shadow: 0 2px 24px rgba(0,0,0,0.6);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-family: 'Oswald', sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1.2;
}
.logo-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: var(--yellow);
  font-style: italic;
  letter-spacing: 0.3px;
}

/* Liens nav */
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  font-family: 'Oswald', sans-serif;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: var(--t);
}
.nav-links a:hover { color: var(--yellow); }
.nav-cta {
  background: var(--yellow) !important;
  color: var(--black) !important;
  font-weight: 700 !important;
  padding: 8px 18px !important;
}
.nav-cta:hover {
  background: transparent !important;
  color: var(--yellow) !important;
  box-shadow: inset 0 0 0 2px var(--yellow) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  width: 25px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--t);
}

/* ============================================
   HERO — Fond noir dominant (charte)
   ============================================ */
.hero {
  min-height: 100vh;
  background: var(--black);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
}

/* Liseré jaune vertical gauche */
.hero-accent {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--yellow);
}

/* Cercles cibles subtils (charte : "repères type viseur") */
.hero::before {
  content: '';
  position: absolute;
  top: 50%; left: 55%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  border: 1px solid rgba(245,208,0,0.04);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 50%; left: 55%;
  transform: translate(-50%, -50%);
  width: 1050px; height: 1050px;
  border: 1px solid rgba(245,208,0,0.025);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

/* Badge clignotant "en direct" */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(245,208,0,0.3);
  color: var(--yellow);
  padding: 7px 18px;
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero-badge::before {
  content: '●';
  color: var(--yellow);
  animation: blink 1.5s ease infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

/* Titre principal */
.hero h1 {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  color: var(--white);
  line-height: 0.95;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 3px;
}
.hero h1 .yellow { color: var(--yellow); }

/* Sous-titre */
.hero-sub {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(14px, 2vw, 20px);
  color: var(--grey-d);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero > .container > .hero-content > p {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin-bottom: 44px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

/* Bloc statistiques */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid rgba(245,208,0,0.15);
  width: fit-content;
}
.stat-item {
  text-align: center;
  padding: 22px 36px;
  border-right: 1px solid rgba(245,208,0,0.15);
}
.stat-item:last-child { border-right: none; }
.stat-n {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
}
.stat-l {
  display: block;
  font-size: 11px;
  color: var(--grey-d);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Indicateur de défilement */
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll span {
  display: block;
  width: 2px; height: 44px;
  background: linear-gradient(to bottom, var(--yellow), transparent);
  margin: 0 auto;
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { opacity: 1; transform: scaleY(1);   transform-origin: top; }
  100% { opacity: 0; transform: scaleY(0.3); transform-origin: top; }
}

/* ============================================
   SERVICES — Fond légèrement plus clair
   ============================================ */
.services {
  padding: 110px 0;
  background: var(--black-2);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}

/* Cartes blanches avec bordure gauche jaune (charte) */
.service-card {
  background: var(--white);
  padding: 32px 28px;
  border-left: 4px solid var(--yellow);
  box-shadow: var(--shadow);
  transition: var(--t);
  position: relative;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-left-width: 6px;
}
.svc-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
  text-align: center;
}
.service-card h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.service-card p {
  color: #555;
  font-size: 14px;
  line-height: 1.7;
}

/* ============================================
   À PROPOS — Fond noir
   ============================================ */
.about {
  padding: 110px 0;
  background: var(--black);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

/* Boîte visuelle avec le logo */
.about-visual-box {
  background: var(--black-2);
  border: 1px solid rgba(245,208,0,0.15);
  border-top: 4px solid var(--yellow);
  padding: 48px 36px;
  text-align: center;
}
.about-logo-img {
  width: 170px;
  height: auto;
  margin-bottom: 24px;
}
.about-visual-box h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 22px;
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.about-visual-box > p {
  color: var(--grey-d);
  font-size: 14px;
  margin-bottom: 24px;
}
.about-tags {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.about-tags span {
  border: 1px solid rgba(245,208,0,0.35);
  color: var(--yellow);
  padding: 5px 12px;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Contenu texte */
.about-content h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 12px 0 20px;
  line-height: 1.1;
}
.about-content p {
  font-family: 'Inter', sans-serif;
  color: var(--grey);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 14px;
}
.about-content p strong { color: var(--white); }

/* Checklist */
.about-checklist { list-style: none; margin: 24px 0 36px; }
.about-checklist li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 15px;
  color: var(--grey);
}
.about-checklist li:last-child { border-bottom: none; }
.check {
  width: 22px; height: 22px;
  background: var(--yellow);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

/* ============================================
   SECTION URGENCE — Fond jaune (charte)
   ============================================ */
.urgence {
  padding: 90px 0;
  background: var(--yellow);
  text-align: center;
}
.urgence-inner { max-width: 700px; margin: 0 auto; }
.urgence-label {
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: rgba(14,14,14,0.55);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.urgence h2 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 1.1;
  margin-bottom: 8px;
}
.urgence-num {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: clamp(80px, 18vw, 160px);
  font-weight: 700;
  color: var(--black);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -2px;
}
.urgence > .container > .urgence-inner > p {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  color: rgba(14,14,14,0.65);
  margin-bottom: 36px;
  line-height: 1.7;
}
.btn-urgence {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 44px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--black);
  transition: var(--t);
}
.btn-urgence:hover {
  background: transparent;
  color: var(--black);
}

/* ============================================
   RÉFÉRENCES — Fond sombre
   ============================================ */
.references {
  padding: 110px 0;
  background: var(--black-2);
}
.refs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.ref-card {
  border: 1px solid rgba(245,208,0,0.15);
  padding: 28px 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 120px;
  transition: var(--t);
  cursor: default;
}
.ref-card:hover {
  border-color: var(--yellow);
  background: rgba(245,208,0,0.05);
}

/* Logo client : filtre blanc par défaut, couleur au hover */
.ref-logo {
  max-width: 110px;
  max-height: 55px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.65;
  transition: var(--t);
}
.ref-card:hover .ref-logo {
  filter: none;
  opacity: 1;
}

/* Nom affiché sous le logo */
.ref-name {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.3;
  transition: var(--t);
}
.ref-card:hover .ref-name { color: var(--yellow); }

/* ============================================
   CONTACT — Fond noir
   ============================================ */
.contact {
  padding: 110px 0;
  background: var(--black);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

/* Infos de contact */
.contact-infos { display: flex; flex-direction: column; gap: 14px; }
.info-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--black-2);
  padding: 20px;
  border-left: 3px solid var(--yellow);
}
.info-ico { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.info-box h4 {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--yellow);
  margin-bottom: 5px;
}
.info-box p, .info-box a {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--grey);
  line-height: 1.6;
  text-decoration: none;
}
.info-box a:hover { color: var(--yellow); }
.urgence-tel {
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--yellow);
}

/* Formulaire */
.contact-form {
  background: var(--black-2);
  border: 1px solid rgba(245,208,0,0.1);
  border-top: 3px solid var(--yellow);
  padding: 44px 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--grey-d);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: var(--black-3);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: var(--t);
  outline: none;
  border-radius: 0;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(245,208,0,0.08);
}
.form-group select option { background: var(--black-3); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-msg {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(245,208,0,0.08);
  color: var(--yellow);
  border-left: 4px solid var(--yellow);
  font-weight: 600;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
}

/* Carte Google Maps */
.contact-map {
  margin-top: 48px;
  border-top: 3px solid var(--yellow);
  overflow: hidden;
}
.contact-map iframe {
  display: block;
  width: 100%;
  height: 400px;
  filter: grayscale(30%) contrast(1.05);
}

/* ============================================
   FOOTER — Fond noir
   ============================================ */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.45);
  padding: 80px 0 0;
  border-top: 1px solid rgba(245,208,0,0.12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand p {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
}
.footer-legal { font-size: 11px !important; opacity: 0.35; }
.footer-col h4 {
  font-family: 'Oswald', sans-serif;
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245,208,0,0.2);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li,
.footer-col p {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  margin-bottom: 6px;
}
.footer-col a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: var(--t);
}
.footer-col a:hover { color: var(--yellow); }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: rgba(255,255,255,0.2);
}

/* ============================================
   ANIMATIONS AU SCROLL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE — TABLETTE (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  /* Sections : réduction du padding */
  .services, .about, .references, .contact, .urgence { padding: 80px 0; }

  /* About : passage en 1 colonne */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual {
    max-width: 420px;
    margin: 0 auto;
  }

  /* Services : 2 colonnes */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer : 2 colonnes */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  /* Contact : 1 colonne */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Refs : 3 colonnes */
  .refs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Navbar mobile */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 75px; left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--t);
    pointer-events: none;
    border-bottom: 2px solid var(--yellow);
    box-shadow: 0 8px 32px rgba(0,0,0,0.7);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links a:hover { background: rgba(245,208,0,0.08); }
  .nav-cta {
    margin-top: 8px;
    text-align: center;
    border-bottom: none !important;
  }

  /* Hero */
  .hero { padding: 90px 0 60px; }
  .hero h1 { letter-spacing: 1px; }
  .hero-sub { letter-spacing: 2px; }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .hero-actions .btn { width: 100%; }
  .hero-stats {
    flex-direction: column;
    width: 100%;
  }
  .stat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-right: none;
    border-bottom: 1px solid rgba(245,208,0,0.12);
    padding: 14px 20px;
    text-align: left;
  }
  .stat-item:last-child { border-bottom: none; }
  .stat-n { font-size: 32px; }
  .stat-l { margin-top: 0; }

  /* Sections padding */
  .services, .about, .references, .contact, .urgence { padding: 64px 0; }
  .section-header { margin-bottom: 44px; }

  /* Services : 1 colonne */
  .services-grid { grid-template-columns: 1fr; gap: 14px; }

  /* About visual */
  .about-visual-box { padding: 32px 24px; }
  .about-logo-img { width: 140px; }

  /* Urgence */
  .urgence { padding: 60px 0; }

  /* Références : 2 colonnes */
  .refs-grid { grid-template-columns: repeat(2, 1fr); }

  /* Formulaire */
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }

  /* Footer */
  .footer { padding: 60px 0 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { font-size: 12px; }

  /* Bouton pleine largeur */
  .btn { width: 100%; justify-content: center; }
}

/* ============================================
   RESPONSIVE — PETIT MOBILE (≤ 480px)
   ============================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  /* Navbar */
  .logo-img { height: 42px; }
  .logo-name { font-size: 16px; }

  /* Hero */
  .hero { padding: 85px 0 50px; }
  .hero-badge { font-size: 10px; letter-spacing: 1px; padding: 6px 12px; }

  /* Urgence */
  .urgence-num { font-size: 88px; letter-spacing: -3px; }
  .urgence h2 { font-size: 24px; letter-spacing: 1px; }

  /* Références : 2 colonnes serrées */
  .refs-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .ref-card { padding: 20px 12px 14px; min-height: 100px; }
  .ref-logo { max-width: 80px; max-height: 40px; }
  .ref-name { font-size: 9px; }

  /* Section header */
  .section-header h2 { letter-spacing: 1px; }
}