/* ============================================================
   NCE SARL — Feuille de style principale
   Mobile-first · Breakpoints : 480 / 768 / 1024 / 1280px
   ============================================================ */

@import url('variables.css');

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--noir-profond);
  background: var(--blanc);
  line-height: 1.7;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ============================================================
   TYPOGRAPHIE
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
  color: var(--bleu-nuit);
}

h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin-bottom: var(--sp-sm); }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--sp-xxl);
}

.section--sm { padding-block: var(--sp-xl); }

.bg-gris-clair  { background: var(--gris-clair); }
.bg-bleu-nuit   { background: var(--bleu-nuit); }
.bg-gris-fonce  { background: var(--gris-fonce); }

.text-center { text-align: center; }
.text-white  { color: var(--blanc); }
.text-orange { color: var(--orange-vif); }

/* ── Section heading ── */
.section-heading {
  text-align: center;
  margin-bottom: var(--sp-xl);
}

.section-heading__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-vif);
  margin-bottom: var(--sp-xs);
}

.section-heading__title {
  color: var(--bleu-nuit);
  margin-bottom: var(--sp-sm);
}

.section-heading__title--white { color: var(--blanc); }

.section-heading__line {
  width: 64px;
  height: 4px;
  background: var(--grad-orange);
  border-radius: 2px;
  margin-inline: auto;
  margin-top: var(--sp-sm);
}

.section-heading__desc {
  max-width: 640px;
  margin-inline: auto;
  margin-top: var(--sp-sm);
  color: #555;
  font-size: var(--fs-body);
}

/* ── Grid helpers ── */
.grid-2 { display: grid; gap: var(--sp-lg); }
.grid-3 { display: grid; gap: var(--sp-lg); }
.grid-4 { display: grid; gap: var(--sp-md); }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  transition: all var(--tr-base);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange-vif);
  color: var(--blanc);
  box-shadow: 0 4px 14px rgba(255, 152, 0, 0.35);
}
.btn-primary:hover {
  background: #e68900;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 152, 0, 0.45);
}

.btn-secondary {
  background: var(--bleu-nuit);
  color: var(--blanc);
}
.btn-secondary:hover {
  background: var(--bleu-royal);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--blanc);
  color: var(--blanc);
}
.btn-outline:hover {
  background: var(--blanc);
  color: var(--bleu-nuit);
}

.btn-outline-orange {
  border: 2px solid var(--orange-vif);
  color: var(--orange-vif);
}
.btn-outline-orange:hover {
  background: var(--orange-vif);
  color: var(--blanc);
}

.btn-lg {
  font-size: 1rem;
  padding: 1rem 2.25rem;
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
#site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: var(--blanc);
  transition: box-shadow var(--tr-base);
  height: var(--header-h-mobile);
}

#site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 43, 138, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h-mobile);
  gap: var(--sp-sm);
}

.logo-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* Desktop nav (hidden on mobile) */
.nav { display: none; }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--noir-profond);
  padding: 0.25rem 0.5rem;
  position: relative;
  transition: color var(--tr-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0.5rem; right: 0.5rem;
  height: 2px;
  background: var(--orange-vif);
  transform: scaleX(0);
  transition: transform var(--tr-fast);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active { color: var(--bleu-nuit); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

/* Header CTA (hidden on mobile) */
.header-cta { display: none; }

/* Burger button */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--bleu-nuit);
  border-radius: 1px;
  transition: all var(--tr-base);
}

.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile fullscreen menu ── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bleu-nuit);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-base);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--blanc);
  padding: 8px;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}

.mobile-nav-link {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blanc);
  transition: color var(--tr-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active { color: var(--orange-vif); }

/* Desktop layout overrides */
@media (min-width: 1024px) {
  #site-header { height: var(--header-h); }
  .header-inner { height: var(--header-h); }
  .logo-img { height: 52px; }
  .nav { display: flex; }
  .header-cta { display: inline-flex; }
  .burger { display: none; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  overflow: hidden;
  padding-top: var(--header-h-mobile);
}

/* Géométrie de fond */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 80px,
      rgba(255, 152, 0, 0.03) 80px,
      rgba(255, 152, 0, 0.03) 81px
    );
}

/* Bande orange en bas */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-orange);
}

/* Cercle décoratif */
.hero__deco {
  position: absolute;
  right: -15%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(300px, 50vw, 700px);
  height: clamp(300px, 50vw, 700px);
  border-radius: 50%;
  border: 2px solid rgba(255, 152, 0, 0.15);
  pointer-events: none;
}

.hero__deco::after {
  content: '';
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  border: 1px solid rgba(93, 134, 214, 0.2);
}

/* Si un fond photo est disponible */
.hero--with-img {
  background-image: url('../img/hero/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}
.hero--with-img::before {
  background: linear-gradient(155deg, rgba(0,43,138,0.88) 0%, rgba(10,10,10,0.75) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--sp-xxl);
  max-width: 700px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 152, 0, 0.15);
  border: 1px solid rgba(255, 152, 0, 0.4);
  color: var(--orange-vif);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-md);
}

.hero__title {
  color: var(--blanc);
  font-weight: 800;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  margin-bottom: var(--sp-md);
}

.hero__title span { color: var(--orange-vif); }

.hero__subtitle {
  color: rgba(255,255,255,0.82);
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: var(--sp-xl);
  max-width: 550px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

/* Badges de confiance */
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: var(--sp-xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.75);
  font-size: var(--fs-label);
  font-weight: 500;
}

.hero__trust-item svg { color: var(--orange-vif); flex-shrink: 0; }

/* Hero split layout — illustration à droite sur desktop */
.hero__split {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
  width: 100%;
}

.hero__visual {
  display: none;
  pointer-events: none;
  flex-shrink: 0;
}

.hero__svg-scene {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 1024px) {
  .hero { padding-top: var(--header-h); }
  .hero__visual {
    display: flex;
    flex: 0 0 46%;
    justify-content: flex-end;
    align-items: center;
  }
  .hero__content {
    flex: 1 1 54%;
    max-width: none;
  }
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--blanc);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,43,138,0.06);
  transition: all var(--tr-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--grad-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--tr-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,43,138,0.1);
}

.card:hover::before { transform: scaleX(1); }

.card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0,43,138,0.06), rgba(29,79,179,0.08));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-md);
  color: var(--bleu-royal);
  flex-shrink: 0;
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: var(--sp-xs);
  color: var(--bleu-nuit);
}

.card__text {
  color: #555;
  font-size: 0.93rem;
  margin-bottom: 0;
}

/* Card cliquable */
.card--link { cursor: pointer; }
.card--link:hover .card__cta { color: var(--orange-vif); }

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--bleu-royal);
  margin-top: var(--sp-md);
  transition: color var(--tr-fast);
}

/* Card domaine (avec fond coloré) */
.card--domaine {
  background: linear-gradient(155deg, var(--bleu-nuit), var(--bleu-royal));
  color: var(--blanc);
  text-align: center;
  padding: var(--sp-xl) var(--sp-lg);
}

.card--domaine::before { background: var(--orange-vif); }

.card--domaine .card__icon {
  background: rgba(255,255,255,0.12);
  color: var(--orange-vif);
  margin-inline: auto;
}

.card--domaine .card__title { color: var(--blanc); }
.card--domaine .card__text  { color: rgba(255,255,255,0.78); }

/* Card valeur */
.card--valeur {
  text-align: center;
  padding: var(--sp-xl) var(--sp-lg);
}

.card--valeur .card__icon {
  margin-inline: auto;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(255,152,0,0.1), rgba(245,166,35,0.15));
  color: var(--orange-vif);
}

/* ============================================================
   SECTION — PILIERS DE SERVICES
   ============================================================ */
.piliers { background: var(--blanc); }

/* ============================================================
   SECTION — CHIFFRES CLÉS
   ============================================================ */
.chiffres { background: var(--bleu-nuit); }

.chiffres-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-lg);
}

.stat-card {
  text-align: center;
  padding: var(--sp-lg);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background var(--tr-base);
}

.stat-card:hover { background: rgba(255,255,255,0.1); }

.stat-card__number {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--orange-vif);
  display: block;
  line-height: 1;
}

.stat-card__label {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: var(--sp-xs);
  display: block;
}

@media (min-width: 768px) {
  .chiffres-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   SECTION — RÉALISATIONS APERÇU & GALERIE
   ============================================================ */
.real-grid {
  display: grid;
  gap: var(--sp-md);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .real-grid { grid-template-columns: repeat(3, 1fr); }
}

.real-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--bleu-nuit);
}

.real-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-slow);
}

/* Placeholder gradient quand pas de photo */
.real-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-label);
  text-align: center;
  padding: var(--sp-sm);
}

.real-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,43,138,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-md);
  opacity: 0;
  transition: opacity var(--tr-base);
}

.real-card:hover .real-card__overlay { opacity: 1; }
.real-card:hover .real-card__img { transform: scale(1.05); }

.real-card__title {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--blanc);
  font-size: 0.95rem;
}

.real-card__tag {
  display: inline-block;
  background: var(--orange-vif);
  color: var(--blanc);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-xs);
}

.real-card__zoom {
  position: absolute;
  top: var(--sp-sm);
  right: var(--sp-sm);
  width: 36px;
  height: 36px;
  background: rgba(255,152,0,0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanc);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--tr-base);
}

.real-card:hover .real-card__zoom {
  opacity: 1;
  transform: scale(1);
}

/* ── Filtres galerie ── */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  justify-content: center;
  margin-bottom: var(--sp-xl);
}

.filter-btn {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--gris-beton);
  color: #555;
  background: var(--blanc);
  transition: all var(--tr-fast);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--bleu-nuit);
  background: var(--bleu-nuit);
  color: var(--blanc);
}

/* Masquer les items filtrés */
.real-card[data-hidden] { display: none; }

/* ============================================================
   SECTION — VALEURS
   ============================================================ */
.valeurs { background: var(--gris-clair); }

/* ============================================================
   BANDEAU CTA
   ============================================================ */
.bandeau-cta {
  background: var(--grad-cta);
  padding-block: var(--sp-xxl);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.bandeau-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.06);
  pointer-events: none;
}

.bandeau-cta__title {
  color: var(--blanc);
  margin-bottom: var(--sp-sm);
}

.bandeau-cta__desc {
  color: rgba(255,255,255,0.8);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--sp-xl);
}

.bandeau-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--gris-fonce);
  color: rgba(255,255,255,0.75);
  padding-top: var(--sp-xxl);
}

.footer-grid {
  display: grid;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-xxl);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1.5fr; }
}

.footer__logo {
  display: block;
  margin-bottom: var(--sp-md);
  height: 80px;
  width: auto;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 12px;
  padding: 8px 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: var(--sp-md);
}

.footer__tagline {
  font-style: italic;
  color: var(--orange-dore);
  font-size: 0.88rem;
}

.footer__heading {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blanc);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-xs);
  border-bottom: 2px solid var(--orange-vif);
  display: inline-block;
}

.footer__links { display: flex; flex-direction: column; gap: 0.6rem; }

.footer__link {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--tr-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer__link:hover { color: var(--orange-vif); }

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: var(--sp-sm);
  font-size: 0.9rem;
}

.footer__contact-icon {
  flex-shrink: 0;
  width: 20px;
  color: var(--orange-vif);
  margin-top: 2px;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--sp-md);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--tr-fast);
}

.footer__social-link:hover {
  background: var(--orange-vif);
  color: var(--blanc);
  transform: translateY(-2px);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  align-items: center;
  text-align: center;
}

.footer__bottom-text {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.5);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-base);
}

.lightbox-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--blanc);
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  transition: background var(--tr-fast);
  z-index: 1;
}

.lightbox__close:hover { background: var(--orange-vif); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blanc);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  transition: background var(--tr-fast);
  z-index: 1;
}

.lightbox__nav:hover { background: var(--orange-vif); }
.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }

.lightbox__img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.lightbox__img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__caption {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  text-align: center;
}

.lightbox__counter {
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-small);
}

/* ============================================================
   SVG HERO — ANIMATIONS
   ============================================================ */

/* ── Entrée des bâtiments (one-shot slide-up) ── */
.bld-left  { animation: bldRise 1.1s cubic-bezier(.22,1,.36,1) 0.2s both; }
.bld-center{ animation: bldRise 1.1s cubic-bezier(.22,1,.36,1) 0.5s both; }
.bld-right { animation: bldRise 1.1s cubic-bezier(.22,1,.36,1) 0.8s both; }

@keyframes bldRise {
  from { transform: translateY(28px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ── Grille blueprint shimmer ── */
.grid-shimmer { animation: gridPulse 5s ease-in-out infinite; }
@keyframes gridPulse {
  0%, 100% { opacity: 0.65; }
  50%       { opacity: 1;    }
}

/* ── Lumières fenêtres ── */
.win-a { animation: winGlow 4.2s ease-in-out infinite; }
.win-b { animation: winGlow 3.8s ease-in-out infinite 1.1s; }
.win-c { animation: winGlow 5.0s ease-in-out infinite 0.5s; }
.win-d { animation: winGlow 4.6s ease-in-out infinite 2.3s; }

@keyframes winGlow {
  0%, 100% { opacity: 0.45; }
  50%       { opacity: 1;    }
}

/* ── Feu de sommet de grue (blink) ── */
.crane-apex { animation: apexBlink 0.95s ease-in-out infinite; }
@keyframes apexBlink {
  0%, 100% { opacity: 1;   }
  40%, 60% { opacity: 0.1; }
}

/* ── Câble descente (dashoffset) ── */
.crane-cable { animation: cableDrop 1.8s linear infinite; }
@keyframes cableDrop {
  from { stroke-dashoffset: 12; }
  to   { stroke-dashoffset: 0;  }
}

/* ── Pendule de la charge ── */
.crane-load {
  transform-box: view-box;
  transform-origin: 372px 50px;
  animation: loadSwing 3.6s ease-in-out infinite;
}
@keyframes loadSwing {
  0%, 100% { transform: rotate(-7deg); }
  50%       { transform: rotate(7deg);  }
}

/* ── Arcs compas (rotation lente) ── */
.compass-spin {
  transform-box: view-box;
  transform-origin: 465px -5px;
  animation: compassSpin 28s linear infinite;
}
@keyframes compassSpin {
  to { transform: rotate(360deg); }
}

/* ── Cible pulsante ── */
.target-pulse {
  transform-box: view-box;
  transform-origin: 448px 348px;
  animation: targetPulse 2.4s ease-in-out infinite;
}
@keyframes targetPulse {
  0%, 100% { transform: scale(1);    opacity: 1;   }
  50%       { transform: scale(1.14); opacity: 0.65; }
}

/* ── Particules flottantes ── */
.svgp {
  transform-box: fill-box;
  transform-origin: center;
}
.svgp-1 { animation: svgFloat 2.8s ease-out infinite; }
.svgp-2 { animation: svgFloat 3.5s ease-out infinite 1.1s; }
.svgp-3 { animation: svgFloat 2.4s ease-out infinite 0.7s; }
.svgp-4 { animation: svgFloat 4.0s ease-out infinite 1.9s; }

@keyframes svgFloat {
  0%   { transform: translateY(0);    opacity: 0.7; }
  100% { transform: translateY(-52px); opacity: 0;   }
}

/* ── Accessibilité : désactiver si l'utilisateur préfère ── */
@media (prefers-reduced-motion: reduce) {
  .bld-left, .bld-center, .bld-right,
  .grid-shimmer,
  .win-a, .win-b, .win-c, .win-d,
  .crane-apex, .crane-cable, .crane-load,
  .compass-spin, .target-pulse,
  .svgp { animation: none !important; }
}

/* ============================================================
   BOUTON WHATSAPP FLOTTANT
   ============================================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform var(--tr-fast), box-shadow var(--tr-fast);
  color: var(--blanc);
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.55);
}

/* Tooltip */
.whatsapp-btn::before {
  content: 'Contactez-nous';
  position: absolute;
  right: 64px;
  background: #1a1a1a;
  color: var(--blanc);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-fast);
}

.whatsapp-btn:hover::before { opacity: 1; }

/* ============================================================
   BOUTON RETOUR EN HAUT
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 44px;
  height: 44px;
  background: var(--bleu-nuit);
  color: var(--blanc);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--tr-base);
}

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

.back-to-top:hover { background: var(--orange-vif); }

/* ============================================================
   FORMULAIRE DE CONTACT
   ============================================================ */
.form-group {
  margin-bottom: var(--sp-md);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--bleu-nuit);
  margin-bottom: 0.4rem;
}

.form-label .required { color: var(--orange-vif); margin-left: 2px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  background: var(--blanc);
  color: var(--noir-profond);
  font-size: 0.95rem;
  transition: border-color var(--tr-fast), box-shadow var(--tr-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--bleu-royal);
  box-shadow: 0 0 0 3px rgba(29,79,179,0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #e53e3e;
}

.form-error {
  font-size: var(--fs-small);
  color: #e53e3e;
  margin-top: 0.3rem;
  display: none;
}

.form-error.visible { display: block; }

.form-textarea { resize: vertical; min-height: 140px; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23002B8A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-grid-2 { display: grid; gap: var(--sp-md); }
@media (min-width: 768px) {
  .form-grid-2 { grid-template-columns: 1fr 1fr; }
}

.form-success {
  display: none;
  background: #f0fff4;
  border: 1px solid #9ae6b4;
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
  text-align: center;
  color: #276749;
}

.form-success.visible { display: block; }

.honeypot { display: none !important; }

/* ============================================================
   PAGE — À PROPOS
   ============================================================ */
.about-hero {
  background: var(--grad-hero);
  padding-block: calc(var(--header-h-mobile) + 3rem) 4rem;
  text-align: center;
}

@media (min-width: 1024px) {
  .about-hero { padding-top: calc(var(--header-h) + 3rem); }
}

.page-hero {
  background: var(--grad-hero);
  padding-block: calc(var(--header-h-mobile) + 2.5rem) 3.5rem;
  text-align: center;
  position: relative;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-orange);
}

@media (min-width: 1024px) {
  .page-hero { padding-top: calc(var(--header-h) + 2.5rem); }
}

.page-hero__label { color: var(--orange-vif); font-weight: 600; font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--sp-xs); }
.page-hero__title { color: var(--blanc); margin-bottom: var(--sp-sm); }
.page-hero__desc { color: rgba(255,255,255,0.8); max-width: 560px; margin-inline: auto; }

/* ── Hero animated layers ──────────────────────────────── */
.page-hero { overflow: hidden; }
.page-hero > .container { position: relative; z-index: 2; }

.hero-particles {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}

.hero-illustration {
  position: absolute;
  top: 50%; right: 3%;
  transform: translateY(-50%);
  width: min(280px, 38%);
  pointer-events: none; z-index: 1;
  opacity: 0.22;
}

@media (max-width: 768px) {
  .hero-illustration {
    width: 58%;
    right: 50%;
    transform: translate(50%, -50%);
    opacity: 0.09;
  }
}

@keyframes nce-ripple {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(4.5); opacity: 0;   }
}

@keyframes nce-blink {
  0%, 78%, 100% { opacity: 0.13; }
  39%           { opacity: 0.92; }
}

.hero-ripple-ring {
  transform-box: fill-box; transform-origin: center;
  animation: nce-ripple 2.8s ease-out infinite;
}
.hero-ripple-ring--d2 { animation-delay: .93s; }
.hero-ripple-ring--d3 { animation-delay: 1.87s; }
.hero-blink           { animation: nce-blink 2.8s ease-in-out infinite; }
.hero-blink--d2       { animation: nce-blink 2.8s ease-in-out .9s  infinite; }
.hero-blink--d3       { animation: nce-blink 2.8s ease-in-out 1.8s infinite; }

.about-intro {
  display: grid;
  gap: var(--sp-xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .about-intro { grid-template-columns: 1fr 1fr; }
}

.about-intro__img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu-royal));
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-intro__img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  text-align: center;
  padding: var(--sp-lg);
}

.about-intro__content .section-heading { text-align: left; }
.about-intro__content .section-heading__line { margin-left: 0; }

.values-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: var(--sp-lg);
}

.values-list__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.values-list__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange-vif);
  flex-shrink: 0;
}

/* Mot du DG */
.dg-card {
  background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu-royal));
  border-radius: var(--radius-xl);
  padding: var(--sp-xl);
  color: var(--blanc);
  position: relative;
  overflow: hidden;
}

.dg-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 12rem;
  color: rgba(255,152,0,0.08);
  font-family: Georgia, serif;
  line-height: 1;
}

.dg-card__quote {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--sp-lg);
  position: relative;
}

.dg-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.dg-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,152,0,0.2);
  border: 2px solid var(--orange-vif);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--orange-vif);
}

.dg-card__name {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--blanc);
}

.dg-card__role {
  font-size: 0.85rem;
  color: var(--orange-dore);
}

/* Pourquoi nous */
.why-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.why-item {
  display: flex;
  gap: var(--sp-md);
  align-items: flex-start;
}

.why-item__num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--orange-vif), var(--orange-dore));
  color: var(--blanc);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
}

.why-item__title {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--bleu-nuit);
  margin-bottom: 0.25rem;
}

.why-item__text {
  font-size: 0.93rem;
  color: #555;
  margin-bottom: 0;
}

/* ============================================================
   PAGE — SERVICES
   ============================================================ */
.service-block {
  display: grid;
  gap: var(--sp-xl);
  align-items: center;
  padding-block: var(--sp-xl);
  border-bottom: 1px solid rgba(0,43,138,0.08);
}

.service-block:last-of-type { border-bottom: none; }

@media (min-width: 1024px) {
  .service-block { grid-template-columns: 1fr 1fr; }
  .service-block--reverse .service-block__visual { order: -1; }
}

.service-block__visual {
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.service-block__icon-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--sp-md);
}

.service-block__icon-bg {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-block__label {
  color: var(--orange-vif);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-xs);
}

.service-block__title {
  color: var(--bleu-nuit);
  margin-bottom: var(--sp-sm);
}

.service-block__desc {
  color: #555;
  margin-bottom: var(--sp-md);
}

.service-benefits {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: var(--sp-lg);
}

.service-benefits__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.93rem;
}

.service-benefits__check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(255,152,0,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-vif);
}

/* ============================================================
   PAGE — CONTACT
   ============================================================ */
.contact-layout {
  display: grid;
  gap: var(--sp-xl);
}

@media (min-width: 1024px) {
  .contact-layout { grid-template-columns: 1.2fr 1fr; }
}

.contact-info__item {
  display: flex;
  gap: var(--sp-md);
  align-items: flex-start;
  padding: var(--sp-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,43,138,0.08);
  transition: box-shadow var(--tr-fast);
  margin-bottom: var(--sp-md);
  background: var(--blanc);
}

.contact-info__item:hover { box-shadow: var(--shadow-sm); }

.contact-info__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(0,43,138,0.08), rgba(29,79,179,0.1));
  color: var(--bleu-royal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--gris-beton);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-weight: 500;
  color: var(--bleu-nuit);
}

.contact-info__value a {
  color: var(--bleu-royal);
  transition: color var(--tr-fast);
}

.contact-info__value a:hover { color: var(--orange-vif); }

.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,43,138,0.08);
  height: 280px;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   ANIMATIONS (IntersectionObserver)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

.fade-up--delay-1 { transition-delay: 0.1s; }
.fade-up--delay-2 { transition-delay: 0.2s; }
.fade-up--delay-3 { transition-delay: 0.3s; }
.fade-up--delay-4 { transition-delay: 0.4s; }

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.in-view { opacity: 1; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
  margin-top: var(--sp-md);
  justify-content: center;
}

.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--orange-vif); }
.breadcrumb__sep { margin-inline: 0.25rem; }

/* ============================================================
   RESPONSIVE — TABLET (≥ 768px)
   ============================================================ */
@media (min-width: 768px) {
  .hero__content { max-width: 650px; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (≥ 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .nav-list { gap: var(--sp-md); }
}

/* ============================================================
   RESPONSIVE — LARGE (≥ 1280px)
   ============================================================ */
@media (min-width: 1280px) {
  .hero__content { max-width: 780px; }
}

/* ============================================================
   SKIP LINK (ACCESSIBILITÉ)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--orange-vif);
  color: var(--blanc);
  padding: 0.5rem 1rem;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus { top: 0; }

/* ============================================================
   UTILITAIRES DIVERS
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.tag {
  display: inline-block;
  background: rgba(0,43,138,0.08);
  color: var(--bleu-royal);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.tag--orange {
  background: rgba(255,152,0,0.12);
  color: #c07000;
}

.divider {
  border: none;
  border-top: 1px solid rgba(0,43,138,0.08);
  margin-block: var(--sp-xl);
}