/* ============================================================
   Business Firm SARLU — feuille de style (Bootstrap 5 + charte)
   Orange vif · anthracite · blanc · titres condensés
   ============================================================ */

:root {
  --ember: #e8701a;
  --ember-2: #f0902f;
  --ink: #4a4a4d;
  --ink-dark: #3a3a3d;
  --surface: #f5f5f6;
  --text: #2b2b2e;
  --muted: #6f6f75;
  --border: #e6e6e8;
  --shadow-panel: 0 24px 60px -30px rgba(40, 40, 45, 0.45);
  --shadow-ember: 0 18px 40px -18px rgba(232, 112, 26, 0.5);
}

body {
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
}

img { max-width: 100%; }

h1, h2, h3, h4, .font-display {
  font-family: "Oswald", "Barlow Condensed", sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

a { text-decoration: none; }
.text-ember { color: var(--ember); }
.bg-ink { background: var(--ink); color: #fafafa; }
.bg-surface { background: var(--surface); }
.text-muted-soft { color: rgba(250, 250, 250, 0.7); }
.text-muted-2 { color: var(--muted); }

/* ---------- Boutons ---------- */
.btn-ember {
  background-image: linear-gradient(135deg, var(--ember), var(--ember-2));
  color: #fff;
  border: 0;
  border-radius: 2px;
  padding: 0.8rem 1.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}
.btn-ember:hover { color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-ember); }

.btn-ghost {
  border: 1px solid rgba(250, 250, 250, 0.35);
  color: #fafafa;
  border-radius: 2px;
  padding: 0.8rem 1.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}
.btn-ghost:hover { color: var(--ember); border-color: var(--ember); transform: translateY(-3px); }

/* ---------- En-tête ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1030;
}
.brand-logo { height: 62px; width: auto; object-fit: contain; }
.navbar .nav-link {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color 0.25s ease;
}
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--ember); }

/* ---------- Hero + diaporama ---------- */
.hero { position: relative; overflow: hidden; background: var(--ink); color: #fafafa; }
.hero-slides { position: absolute; inset: 0; }
.hero-slides img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0;
  transition: opacity 1.6s ease-out;
}
.hero-slides img.is-active { opacity: 0.3; animation: kenBurns 12s ease-out both; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(74, 74, 77, 0.85) 45%, rgba(74, 74, 77, 0.35) 100%);
}
.hero-inner { position: relative; padding: 6rem 0; }
@media (min-width: 768px) { .hero-inner { padding: 8rem 0; } }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); line-height: 0.95; }
.eyebrow {
  display: inline-block; background: var(--ember); color: #fff;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.24em;
  padding: 0.35rem 0.8rem;
}
.hero-dots { position: absolute; bottom: 1.5rem; right: 2rem; display: flex; gap: 0.5rem; z-index: 2; }
.hero-dots button {
  height: 4px; width: 20px; border: 0; background: rgba(250, 250, 250, 0.35);
  transition: all 0.5s ease; padding: 0;
}
.hero-dots button.is-active { width: 40px; background: var(--ember); }

@keyframes kenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.12) translate3d(-1.5%, -1%, 0); }
}

/* ---------- Bandeau chiffres ---------- */
.stats { background: var(--ember); color: #fff; }
.stats .valeur { font-family: "Oswald", sans-serif; font-size: 2.2rem; font-weight: 700; }
.stats .label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.85; }

/* ---------- Titres de section ---------- */
.rule-ember::after {
  content: ""; display: block; width: 3.5rem; height: 4px;
  margin-top: 1rem; background: var(--ember);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible .rule-ember::after,
.rule-ember.is-visible::after { transform: scaleX(1); }

/* ---------- Cartes de services ---------- */
.service-grid { display: grid; gap: 1px; background: var(--border); }
@media (min-width: 576px) { .service-grid { grid-template-columns: 1fr 1fr; } }
.service-card {
  position: relative; background: #fff; padding: 2rem;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-panel); }
.service-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: var(--ember); transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; flex: 0 0 48px;
  background: var(--ember); color: #fff;
  font-family: "Oswald", sans-serif; font-size: 1.25rem; font-weight: 700;
  transition: transform 0.5s ease;
}
.service-card:hover .service-num,
.service-row:hover .service-num { transform: rotate(-6deg) scale(1.1); }
.service-card:hover h3, .service-row:hover h2 { color: var(--ember); }
.service-card h3, .service-row h2 { transition: color 0.3s ease; }

/* ---------- Liste détaillée (page services) ---------- */
.service-rows { display: grid; gap: 1px; background: var(--border); }
.service-row { background: #fff; padding: 3rem 0; }
.detail-list li {
  border-left: 2px solid var(--ember);
  padding-left: 0.85rem;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
}
.detail-list li:hover { transform: translateX(4px); color: var(--text); }

/* ---------- Atouts ---------- */
.atout { border-top: 4px solid var(--ember); padding-top: 1.25rem; transition: transform 0.5s ease; }
.atout:hover { transform: translateY(-8px); }

/* ---------- Vision / mission ---------- */
.corner-ink {
  position: absolute; top: 0; right: 0; width: 10rem; height: 10rem;
  background: rgba(232, 112, 26, 0.15);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* ---------- Formulaire ---------- */
.form-control, .form-select {
  border-radius: 2px; border-color: var(--border);
  padding: 0.65rem 0.75rem; font-size: 0.92rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--ember); box-shadow: none;
}
.form-label { font-size: 0.88rem; font-weight: 500; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--ink); color: #fafafa; }
.site-footer a { color: rgba(250, 250, 250, 0.7); transition: color 0.25s ease; }
.site-footer a:hover { color: var(--ember); }
.footer-title {
  font-family: "Oswald", sans-serif; font-size: 0.85rem;
  letter-spacing: 0.18em; color: var(--ember); text-transform: uppercase; margin-bottom: 1rem;
}
.footer-bottom {
  border-top: 1px solid rgba(250, 250, 250, 0.1);
  color: rgba(250, 250, 250, 0.5);
}

/* ---------- Apparition au défilement ---------- */
.reveal {
  opacity: 0; transform: translateY(2rem);
  transition: opacity 0.7s ease-out, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.from-left  { transform: translateX(-2.5rem); }
.reveal.from-right { transform: translateX(2.5rem); }
.reveal.from-scale { transform: scale(0.95); }
.reveal.is-visible { opacity: 1; transform: none; }

.rise { animation: riseIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(1.75rem); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}


/* ============================================================
   Adaptation mobile / tablette
   ============================================================ */
@media (max-width: 991.98px) {
  .navbar-collapse { padding-bottom: 0.75rem; }
  .navbar .nav-link { padding: 0.7rem 0; font-size: 1rem; }
  .navbar-toggler { min-width: 44px; min-height: 44px; }
  .brand-logo { height: 48px; }
  .navbar-collapse .btn-ember { display: inline-block; width: 100%; text-align: center; }
}

@media (max-width: 767.98px) {
  .container { padding-left: 1.25rem; padding-right: 1.25rem; }
  /* Les gouttières larges de Bootstrap débordaient sur petits écrans */
  .row.g-5 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 2.25rem; }
  .hero-inner { padding: 4rem 0; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.8rem); line-height: 1.05; }
  .hero-dots { right: 50%; transform: translateX(50%); bottom: 1rem; }
  .hero .btn-ember, .hero .btn-ghost { flex: 1 1 100%; text-align: center; justify-content: center; }
  .eyebrow { font-size: 0.62rem; letter-spacing: 0.16em; }
  .stats .valeur { font-size: 1.7rem; }
  .stats .label { font-size: 0.62rem; letter-spacing: 0.12em; }
  .service-card { padding: 1.5rem 1.25rem; }
  .service-card .d-flex { gap: 1rem !important; }
  .service-num { width: 42px; height: 42px; flex: 0 0 42px; font-size: 1.05rem; }
  .service-row { padding: 2rem 0; }
  .corner-ink { width: 6rem; height: 6rem; }
  .display-6 { font-size: 1.75rem; }
  .fs-2 { font-size: 1.6rem !important; }
  h1, h2 { overflow-wrap: anywhere; }
  .btn-ember, .btn-ghost { padding: 0.8rem 1.4rem; min-height: 44px; }
  .site-footer .footer-title { margin-bottom: 0.6rem; }
  /* Pas d'effets de survol tactiles qui restent bloqués */
  .service-card:hover, .atout:hover { transform: none; box-shadow: none; }
}