/* ==========================================
   CHASSIS JANSSENS — style.css
   ========================================== */

:root {
  --blue:       #1a56db;
  --blue-dark:  #1240a8;
  --blue-light: #e8f0fd;
  --accent:     #f59e0b;
  --dark:       #0f172a;
  --text:       #334155;
  --muted:      #64748b;
  --border:     #e2e8f0;
  --bg-light:   #f8fafc;
  --white:      #ffffff;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 4px 24px rgba(15,23,42,.08);
  --shadow-lg:  0 12px 48px rgba(15,23,42,.14);
  --transition: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; object-fit: cover; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary  { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn--primary:hover  { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,86,219,.35); }
.btn--secondary{ background: var(--blue-light); color: var(--blue); border-color: var(--blue-light); }
.btn--secondary:hover{ background: #d1e0fb; border-color: #d1e0fb; }
.btn--outline  { background: transparent; color: var(--white); border-color: rgba(255,255,255,.6); }
.btn--outline:hover  { background: rgba(255,255,255,.15); border-color: var(--white); }
.btn--lg       { padding: 15px 32px; font-size: 1.05rem; border-radius: 10px; }
.btn--full     { width: 100%; justify-content: center; padding: 16px; font-size: 1.05rem; }

/* ── SECTION COMMONS ── */
.section { padding: 96px 0; }

.section__header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}
.section__label {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section__sub { color: var(--muted); font-size: 1.05rem; }

/* ==========================================
   HEADER
   ========================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.header.scrolled {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0,0,0,.08);
  padding: 10px 0;
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition);
  flex-shrink: 0;
}
.header.scrolled .logo { color: var(--dark); }
.logo__icon { font-size: 1.5rem; }
.logo__text strong { color: var(--blue); }
.logo__img { height: 48px; width: auto; object-fit: contain; }

.nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: var(--transition);
}
.nav a:hover { color: var(--white); background: rgba(255,255,255,.12); }
.header.scrolled .nav a { color: var(--text); }
.header.scrolled .nav a:hover { color: var(--blue); background: var(--blue-light); }

.header__cta { flex-shrink: 0; }
.header.scrolled .header__cta { background: var(--blue); color: var(--white); border-color: var(--blue); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.header.scrolled .burger span { background: var(--dark); }

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__img--mobile { display: none; }

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Fallback gradient si pas d'image */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1240a8 0%, #1a56db 50%, #3b82f6 100%);
  z-index: 0;
}
.hero__img[src="images/hero.jpg"]:not([complete]) + .hero__overlay,
.hero__img { position: relative; z-index: 1; }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,30,80,.82) 0%, rgba(26,86,219,.55) 100%);
  z-index: 2;
}
.hero__content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  color: var(--white);
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: #fde68a;
}
.hero__title {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero__title span {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 1.15rem;
  opacity: .85;
  margin-bottom: 36px;
  max-width: 580px;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.8rem; font-weight: 800; color: #fbbf24; }
.stat span   { font-size: .8rem; opacity: .75; text-transform: uppercase; letter-spacing: .06em; }
.stat__sep   { width: 1px; height: 40px; background: rgba(255,255,255,.25); }

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255,255,255,.6);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================
   TRUST BAR
   ========================================== */
.trust {
  background: var(--dark);
  padding: 18px 0;
  overflow: hidden;
}
.trust__track {
  display: flex;
  width: max-content;
  animation: ticker 35s linear infinite;
}
.trust__track:hover { animation-play-state: paused; }
.trust__list {
  display: flex;
  align-items: center;
  gap: 0;
}
.trust__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0 32px;
}
.trust__item svg { color: #34d399; flex-shrink: 0; }
.trust__sep {
  color: var(--accent);
  font-size: .75rem;
  flex-shrink: 0;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================
   SERVICES
   ========================================== */
.services { background: var(--bg-light); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card--featured {
  transform: scale(1.03);
  box-shadow: 0 16px 56px rgba(26,86,219,.2);
  border: 2px solid var(--blue);
}
.service-card--featured:hover { transform: scale(1.03) translateY(-6px); }
.service-card__badge {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--accent);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 100px;
  z-index: 1;
}
.service-card__img-wrap {
  height: 200px;
  background: #e8eef5;
  overflow: hidden;
}
.service-card__img-wrap img { width: 100%; height: 100%; object-fit: contain; }
.service-card__body {
  padding: 28px;
}
.service-card__icon { font-size: 2rem; margin-bottom: 12px; }
.service-card__body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.service-card__body p {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}
.service-card__body ul {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card__body ul li {
  font-size: .9rem;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.service-card__body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ==========================================
   POURQUOI NOUS
   ========================================== */
.why { background: var(--white); }
.why__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.why__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.why__img-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  height: 520px;
  object-fit: cover;
}
.why__experience-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--blue);
  color: var(--white);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 8px 32px rgba(26,86,219,.4);
}
.why__experience-badge strong { font-size: 2rem; font-weight: 800; line-height: 1; }
.why__experience-badge span  { font-size: .7rem; opacity: .85; line-height: 1.3; }

.why__content .section__title { text-align: left; }
.why__content > p {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}
.why__features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}
.why__feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.why__feature-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.why__feature strong {
  display: block;
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 4px;
}
.why__feature p { color: var(--muted); font-size: .9rem; line-height: 1.5; }

/* ==========================================
   GALERIE
   ========================================== */
.gallery { background: var(--bg-light); }
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--blue-light);
  cursor: pointer;
}
.gallery__item img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  background: #e8eef5;
  transition: transform .4s ease;
}
.gallery__item:hover img { transform: scale(1.06); }
.gallery__item--large {
  grid-column: 1 / span 2;
  grid-row: 1 / span 2;
}
.gallery__item--large img { height: 100%; min-height: 460px; object-fit: contain; background: #e8eef5; }
.gallery__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  color: var(--white);
  padding: 20px 16px 14px;
  font-size: .85rem;
  font-weight: 500;
  transform: translateY(100%);
  transition: transform var(--transition);
}
.gallery__item:hover .gallery__caption { transform: translateY(0); }

/* ==========================================
   AVIS
   ========================================== */
.reviews {
  background: linear-gradient(135deg, var(--dark) 0%, #1e3a8a 100%);
  color: var(--white);
}
.reviews .section__label { background: rgba(255,255,255,.1); color: #fde68a; }
.reviews .section__title { color: var(--white); }
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.review-card:hover { background: rgba(255,255,255,.11); transform: translateY(-4px); }
.review-card--featured {
  background: var(--blue);
  border-color: var(--blue);
  transform: scale(1.03);
}
.review-card--featured:hover { transform: scale(1.03) translateY(-4px); }
.review-card__stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.review-card > p { font-size: .95rem; opacity: .9; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.review-card__author { display: flex; align-items: center; gap: 12px; }
.review-card__avatar {
  width: 42px; height: 42px;
  background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}
.review-card--featured .review-card__avatar { background: rgba(255,255,255,.25); }
.review-card__author strong { display: block; font-size: .95rem; }
.review-card__author span  { font-size: .8rem; opacity: .65; }

/* ==========================================
   CONTACT
   ========================================== */
.contact { background: var(--bg-light); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact__info .section__title { text-align: left; }
.contact__info > p { color: var(--muted); margin-bottom: 36px; font-size: 1.05rem; }
.contact__details { display: flex; flex-direction: column; gap: 16px; }
.contact__detail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.contact__detail:hover { box-shadow: var(--shadow-lg); transform: translateX(4px); }
.contact__detail-icon {
  font-size: 1.5rem;
  width: 48px; height: 48px;
  background: var(--blue-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact__detail strong { display: block; color: var(--dark); font-size: .95rem; }
.contact__detail span  { color: var(--muted); font-size: .9rem; }

.contact__form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}
.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--dark); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: .95rem;
  color: var(--dark);
  background: var(--bg-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.form-group textarea { resize: vertical; }
.form__note { text-align: center; font-size: .8rem; color: var(--muted); }

/* ==========================================
   FAQ
   ========================================== */
.faq { background: var(--bg-light); }
.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  margin-top: 48px;
}
.faq__col { display: flex; flex-direction: column; gap: 0; }

.faq__item {
  border-bottom: 1px solid var(--border);
}
.faq__item:first-child { border-top: 1px solid var(--border); }

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  transition: color var(--transition);
}
.faq__q:hover { color: var(--blue); }
.faq__q[aria-expanded="true"] { color: var(--blue); }

.faq__icon {
  flex-shrink: 0;
  transition: transform .3s ease;
  color: var(--blue);
}
.faq__q[aria-expanded="true"] .faq__icon { transform: rotate(180deg); }

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq__a.open { grid-template-rows: 1fr; }
.faq__a > p {
  overflow: hidden;
  padding-bottom: 20px;
  font-size: .95rem;
  color: var(--text);
  line-height: 1.75;
}
.faq__a a { color: var(--blue); text-decoration: underline; }

.faq__cta {
  margin-top: 56px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.faq__cta > p { font-size: 1.05rem; color: var(--muted); }

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding-top: 60px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand .logo { color: var(--white); margin-bottom: 16px; }
.footer__brand > p { font-size: .9rem; line-height: 1.7; max-width: 260px; }
.footer__links h4,
.footer__contact h4 {
  color: var(--white);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer__links ul { display: flex; flex-direction: column; gap: 8px; }
.footer__links a { font-size: .9rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--white); }
.footer__contact p { font-size: .9rem; margin-bottom: 8px; }
.footer__contact a { transition: color var(--transition); }
.footer__contact a:hover { color: var(--white); }
.footer__bottom {
  padding: 20px 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ==========================================
   FAB (Bouton flottant téléphone)
   ========================================== */
.fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 60px;
  height: 60px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 28px rgba(26,86,219,.45);
  transition: var(--transition);
  animation: pulse 2.5s infinite;
}
.fab:hover { background: var(--blue-dark); transform: scale(1.1); }
@keyframes pulse {
  0%   { box-shadow: 0 6px 28px rgba(26,86,219,.45); }
  50%  { box-shadow: 0 6px 28px rgba(26,86,219,.45), 0 0 0 10px rgba(26,86,219,.15); }
  100% { box-shadow: 0 6px 28px rgba(26,86,219,.45); }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .service-card--featured { transform: none; }
  .service-card--featured:hover { transform: translateY(-6px); }
  .why__inner { grid-template-columns: 1fr; gap: 48px; }
  .why__img-col { display: none; }
  .reviews__grid { grid-template-columns: 1fr 1fr; }
  .review-card--featured { transform: none; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .faq__grid { grid-template-columns: 1fr; gap: 0; }
  .faq__col:last-child .faq__item:first-child { border-top: none; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
         background: var(--white); flex-direction: column; align-items: center;
         justify-content: center; gap: 8px; z-index: 99; }
  .nav.open { display: flex; }
  .nav a { color: var(--dark) !important; font-size: 1.2rem; padding: 12px 24px; }
  .nav a:hover { background: var(--blue-light); color: var(--blue) !important; }

  .burger { display: flex; z-index: 100; }
  .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header__cta { display: none; }

  .services__grid { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item--large { grid-column: 1 / -1; grid-row: auto; }
  .gallery__item--large img { min-height: 280px; height: 280px; }
  .reviews__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: 24px; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__stats { gap: 16px; }
  .stat__sep { display: none; }
  .hero__img--desktop { display: none; }
  .hero__img--mobile  { display: block; }
}

.form__alert {
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-weight: 600;
  font-size: .95rem;
}
.form__alert--success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.form__alert--error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .btn--lg { width: 100%; justify-content: center; }
  /* trust ticker adapts automatically */
  .gallery__grid { grid-template-columns: 1fr; }
  .gallery__item--large img { min-height: 240px; height: 240px; }
}