/* ===========================================================
   VECTUR SA — Landing page
   Fond rouge RAL 3020 · texte blanc · police Hammersmith One
   =========================================================== */

:root{
  --red:        #cc0605;   /* RAL 3020 — Rouge signalisation */
  --red-dark:   #9e0404;
  --red-darker: #6f0202;
  --ink:        #2a0101;
  --white:      #ffffff;
  --white-dim:  rgba(255,255,255,.78);
  --white-faint:rgba(255,255,255,.16);
  --shadow:     0 18px 50px rgba(0,0,0,.30);
  --maxw:       1180px;
  --radius:     14px;
}

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

html{ scroll-behavior:smooth; }

body{
  font-family:"Hammersmith One", system-ui, sans-serif;
  color:var(--white);
  background:var(--red);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{ width:min(var(--maxw), 90vw); margin-inline:auto; }

.kicker{
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.8rem;
  color:var(--white-dim);
  margin-bottom:.8rem;
}

/* ===================== NAV ===================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:50;
  display:flex; align-items:center; gap:1.5rem;
  padding:1rem clamp(1rem,5vw,3rem);
  transition:background .35s ease, padding .35s ease, box-shadow .35s ease;
}
.nav.scrolled{
  background:var(--red-dark);
  padding-block:.65rem;
  box-shadow:0 6px 24px rgba(0,0,0,.28);
}
.nav__brand{ display:flex; align-items:center; }
.nav__logo{
  height:42px; width:auto; display:block;
  filter:drop-shadow(0 3px 8px rgba(0,0,0,.28));
  transition:height .3s ease;
}
.nav.scrolled .nav__logo{ height:34px; }
.nav__links{ margin-left:auto; display:flex; gap:1.6rem; }
.nav__links a{ position:relative; color:var(--white-dim); transition:color .2s; }
.nav__links a:hover{ color:var(--white); }
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0;
  background:var(--white); transition:width .25s ease;
}
.nav__links a:hover::after{ width:100%; }
.nav__cta{
  border:2px solid var(--white); border-radius:40px;
  padding:.45rem 1.1rem; font-size:.95rem; transition:all .2s;
}
.nav__cta:hover{ background:var(--white); color:var(--red); }
.nav__burger{
  display:none; background:none; border:0; color:var(--white);
  font-size:1.8rem; cursor:pointer; margin-left:auto;
}

/* ===================== SECTION 1 — SLIDER ===================== */
.hero{ position:relative; height:100vh; min-height:560px; overflow:hidden; }
.slider{ position:absolute; inset:0; }

.slide{
  position:absolute; inset:0;
  opacity:0; visibility:hidden;
  transition:opacity 1s ease;
}
.slide.is-active{ opacity:1; visibility:visible; }

.slide__media{
  position:absolute; inset:0;
  background-image:var(--img);
  background-size:cover; background-position:center;
  transform:scale(1.06);
  transition:transform 7s ease;
}
.slide.is-active .slide__media{ transform:scale(1); }

/* voile rouge + assombrissement, renforcé au survol ("texte en survol") */
.slide::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(110,2,2,.25) 0%, rgba(110,2,2,.55) 100%),
    rgba(204,6,5,.30);
  transition:background .5s ease;
}
.hero:hover .slide.is-active::after{
  background:
    linear-gradient(180deg, rgba(110,2,2,.45) 0%, rgba(110,2,2,.78) 100%),
    rgba(204,6,5,.42);
}

.slide__overlay{
  position:absolute; z-index:2; left:0; bottom:18vh;
  width:min(var(--maxw),90vw); margin-inline:auto; right:0;
  padding-inline:clamp(1rem,5vw,3rem);
}
.slide__eyebrow{
  text-transform:uppercase; letter-spacing:.25em; font-size:.85rem;
  color:var(--white-dim); margin-bottom:1rem;
  transform:translateY(12px); opacity:0; transition:.6s ease .05s;
}
.slide__title{
  font-size:clamp(2rem,5.5vw,4.2rem); line-height:1.05;
  max-width:16ch; margin-bottom:1rem;
  transform:translateY(16px); opacity:.92; transition:.6s ease .1s;
}
.slide__text{
  font-size:clamp(1rem,1.6vw,1.25rem); max-width:46ch; color:var(--white-dim);
  /* caché par défaut, révélé au survol */
  max-height:0; opacity:0; overflow:hidden;
  transform:translateY(16px);
  transition:max-height .6s ease, opacity .5s ease, transform .6s ease;
}
.slide.is-active .slide__eyebrow{ transform:translateY(0); opacity:1; }
.slide.is-active .slide__title{ transform:translateY(0); opacity:1; }
.hero:hover .slide.is-active .slide__text{
  max-height:200px; opacity:1; transform:translateY(0);
}

/* flèches + dots */
.slider__arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:5;
  width:54px; height:54px; border-radius:50%;
  background:rgba(0,0,0,.22); border:2px solid var(--white-faint);
  color:var(--white); font-size:1.8rem; line-height:1; cursor:pointer;
  transition:background .2s, border-color .2s;
}
.slider__arrow:hover{ background:var(--red-dark); border-color:var(--white); }
.slider__arrow--prev{ left:clamp(.6rem,2vw,2rem); }
.slider__arrow--next{ right:clamp(.6rem,2vw,2rem); }

.slider__dots{
  position:absolute; z-index:5; bottom:7vh; left:0; right:0;
  display:flex; gap:.7rem; justify-content:center;
}
.slider__dots button{
  width:12px; height:12px; border-radius:50%; cursor:pointer;
  border:2px solid var(--white); background:transparent; transition:.2s;
}
.slider__dots button.is-active{ background:var(--white); transform:scale(1.15); }

.hero__scroll{
  position:absolute; bottom:1.4rem; left:50%; transform:translateX(-50%); z-index:5;
  font-size:2rem; color:var(--white-dim); animation:bob 1.8s ease-in-out infinite;
}
@keyframes bob{ 0%,100%{ transform:translate(-50%,0);} 50%{ transform:translate(-50%,8px);} }

/* ===================== SECTIONS GÉNÉRIQUES ===================== */
.section{ padding:clamp(3.5rem,8vw,7rem) 0; }
.section__title{ font-size:clamp(1.8rem,3.6vw,2.8rem); margin-bottom:1rem; line-height:1.1; }
.section__subtitle{ font-size:clamp(1.4rem,2.6vw,2rem); margin-bottom:.8rem; }
.section__lead{ max-width:64ch; color:var(--white-dim); font-size:1.1rem; margin-bottom:2.6rem; }

/* services alterné : fond légèrement plus sombre */
.services{ background:var(--red-dark); }

/* La zone des prestations occupe toute la largeur de l'écran (marge de 10px) */
.services .container{ width:auto; max-width:none; margin-inline:0; padding-inline:10px; }

.cards{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem;
}
.cards .card__img{ height:clamp(200px, 22vw, 320px); }
.card{
  background:rgba(0,0,0,.18); border:1px solid var(--white-faint);
  border-radius:var(--radius); overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}
.card:hover{ transform:translateY(-8px); box-shadow:var(--shadow); }
.card__img{ height:170px; background-size:cover; background-position:center; }
.card__body{ padding:1.3rem 1.2rem 1.5rem; }
.card__body h3{ font-size:1.15rem; margin-bottom:.5rem; }
.card__body p{ color:var(--white-dim); font-size:.95rem; }

/* références */
.references{ scroll-margin-top:90px; }
.prestations{ margin-top:clamp(3rem,7vw,5.5rem); scroll-margin-top:90px; }

/* ---- Carousel références avec effet loupe (centre 150% · voisins 120%) ---- */
.carousel{ position:relative; --slideW:360px; --slideH:240px; }
.carousel__viewport{
  overflow:hidden;
  /* marge verticale pour laisser respirer la photo centrale agrandie */
  padding:calc(var(--slideH) * .28) 0;
}
.carousel__track{
  display:flex; gap:32px; align-items:center; width:max-content;
  transition:transform .6s cubic-bezier(.33,1,.68,1); will-change:transform;
}
.cslide{
  flex:0 0 var(--slideW); height:var(--slideH); margin:0; cursor:pointer;
  background-size:cover; background-position:center;
  border-radius:14px; border:1px solid var(--white-faint);
  transform:scale(.82); opacity:.5; filter:saturate(.85);
  transition:transform .6s cubic-bezier(.33,1,.68,1), opacity .6s ease, box-shadow .6s ease, filter .6s ease;
  transform-origin:center center;
}
.cslide.is-near{ transform:scale(1.2); opacity:.92; z-index:2; box-shadow:0 12px 30px rgba(0,0,0,.30); }
.cslide.is-center{
  transform:scale(1.5); opacity:1; z-index:3; filter:saturate(1.05);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}

.carousel__nav{
  position:absolute; top:50%; transform:translateY(-50%); z-index:5;
  width:52px; height:52px; border-radius:50%;
  background:rgba(0,0,0,.30); border:2px solid var(--white-faint);
  color:var(--white); font-size:1.7rem; line-height:1; cursor:pointer;
  transition:background .2s, border-color .2s;
}
.carousel__nav:hover{ background:var(--red-dark); border-color:var(--white); }
.carousel__nav--prev{ left:8px; }
.carousel__nav--next{ right:8px; }

@media (max-width:760px){
  .carousel{ --slideW:230px; --slideH:155px; }
  .carousel__track{ gap:20px; }
  .cslide.is-center{ transform:scale(1.35); }
}

/* ===================== SECTION 3 — FORMULAIRES ===================== */
.forms{ background:var(--red); }
.anchor{ position:absolute; margin-top:-90px; }

/* ---- Grand toggle Contact / Commande ---- */
.switch{
  position:relative; display:grid; grid-template-columns:1fr 1fr;
  width:min(620px, 100%); margin:0 auto 2.4rem;
  background:rgba(0,0,0,.22); border:2px solid var(--white-faint);
  border-radius:60px; padding:7px; isolation:isolate;
}
.switch__thumb{
  position:absolute; z-index:1; top:7px; bottom:7px; left:7px;
  width:calc(50% - 7px); border-radius:50px; background:var(--white);
  box-shadow:0 6px 18px rgba(0,0,0,.28);
  transition:transform .35s cubic-bezier(.5,.05,.2,1);
}
.switch.is-right .switch__thumb{ transform:translateX(100%); }
.switch__opt{
  position:relative; z-index:2; font-family:inherit; cursor:pointer;
  background:none; border:0; color:var(--white-dim);
  padding:.95rem 1rem; font-size:clamp(1rem,2.2vw,1.3rem);
  border-radius:50px; transition:color .3s ease; white-space:nowrap;
}
.switch__opt:hover{ color:var(--white); }
.switch__opt.is-active{ color:var(--red); }

.panel{
  display:none;
  background:rgba(0,0,0,.16); border:1px solid var(--white-faint);
  border-radius:var(--radius); padding:clamp(1.4rem,3vw,2.4rem);
}
.panel.is-active{ display:block; animation:fade .4s ease; }
@keyframes fade{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:none;} }

.form__note{
  background:rgba(0,0,0,.25); border-left:4px solid var(--white);
  padding:.8rem 1rem; border-radius:8px; margin-bottom:1.6rem; font-size:.95rem;
}
.form__grid{ display:grid; grid-template-columns:1fr 1fr; gap:2rem 2.5rem; }
.form__grid--single{ grid-template-columns:1fr; max-width:640px; }
.form__legend{
  font-size:1.05rem; margin:1.6rem 0 1rem; padding-bottom:.5rem;
  border-bottom:1px solid var(--white-faint);
}
.form__col .form__legend:first-child{ margin-top:0; }
.form__row{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form__row--3{ grid-template-columns:repeat(3,1fr); }

label{ display:block; font-size:.9rem; color:var(--white-dim); margin-bottom:1rem; }
label span{ color:var(--white); }
input, select, textarea{
  font-family:inherit; font-size:1rem; width:100%; margin-top:.4rem;
  padding:.7rem .8rem; border-radius:8px; color:var(--white);
  background:rgba(255,255,255,.10); border:1px solid var(--white-faint);
  transition:border-color .2s, background .2s;
}
input::placeholder, textarea::placeholder{ color:rgba(255,255,255,.45); }
input:focus, select:focus, textarea:focus{
  outline:none; border-color:var(--white); background:rgba(255,255,255,.16);
}
input[readonly]{ opacity:.7; cursor:not-allowed; }
select option{ color:#222; }
input[type="date"]{ color-scheme:dark; }

/* lignes oui/non + date */
.op{ display:grid; grid-template-columns:120px auto 1fr; align-items:center; gap:.8rem; margin-bottom:1rem; }
.op__label{ font-size:.9rem; color:var(--white-dim); }
.op__toggle{ display:flex; gap:.9rem; }
.op__toggle label{ margin:0; display:flex; align-items:center; gap:.3rem; color:var(--white); }
.op__toggle input{ width:auto; margin:0; }
.op input[type="date"]{ margin:0; }

.form__hint{ color:var(--white-dim); font-size:.88rem; margin:-.4rem 0 1.6rem; }

/* schéma des dimensions du pont roulant (près des champs hauteur) */
.dim-figure{
  display:block; max-width:520px; width:100%; height:auto;
  margin:.2rem 0 1.2rem; border-radius:12px; background:#fff;
  padding:.5rem; box-shadow:0 8px 24px rgba(0,0,0,.22);
}

/* ---- Pièces jointes : bouton SwissTransfer + champ lien ---- */
.upload{ display:flex; gap:1rem; align-items:stretch; flex-wrap:wrap; margin:.4rem 0 1rem; }
.upload__btn{
  display:inline-flex; align-items:center; gap:.55rem; white-space:nowrap;
  background:var(--white); color:var(--red); font-size:1rem;
  border:2px solid var(--white); border-radius:10px; padding:.7rem 1.3rem;
  transition:.2s; flex:0 0 auto;
}
.upload__btn:hover{ background:transparent; color:var(--white); }
.upload__icon{ font-size:1.2rem; line-height:1; }
.upload__link{ flex:1 1 260px; margin-top:0; min-width:0; }
@media (max-width:540px){ .upload__btn{ width:100%; justify-content:center; } }

.btn{
  font-family:inherit; cursor:pointer; font-size:1.05rem;
  background:var(--white); color:var(--red);
  border:2px solid var(--white); border-radius:40px;
  padding:.85rem 2.2rem; margin-top:.6rem; transition:.2s;
}
.btn:hover{ background:transparent; color:var(--white); }
.form__sent{ margin-top:1rem; font-size:.95rem; min-height:1.2em; }

/* honeypot anti-spam (invisible pour les humains) */
.hp{ position:absolute !important; left:-9999px !important; width:1px; height:1px; opacity:0; pointer-events:none; }

/* ===================== SECTION 4 — FOOTER ===================== */
.footer{ background:var(--red-darker); padding-top:clamp(3rem,7vw,5rem); }
.footer__grid{ display:grid; grid-template-columns:1.1fr 1fr 1fr; gap:2.5rem; padding-bottom:3rem; }
.footer__block h4{ font-size:1.15rem; margin-bottom:1.2rem; }
.footer__small{ color:var(--white-dim); font-size:.88rem; margin-top:1rem; }

.certs{ display:flex; gap:1.1rem; align-items:center; flex-wrap:wrap; background:rgba(255,255,255,.92); border-radius:12px; padding:1rem 1.2rem; }
.certs img{ height:78px; width:auto; }

.hours{ list-style:none; }
.hours li{ display:flex; justify-content:space-between; gap:1rem; padding:.35rem 0; border-bottom:1px dashed var(--white-faint); font-size:.92rem; }
.hours li span:first-child{ color:var(--white-dim); }
.hours li.closed span:last-child{ color:rgba(255,255,255,.55); }

.contact-info{ font-style:normal; line-height:1.8; color:var(--white-dim); }
.contact-info strong{ color:var(--white); font-size:1.05rem; }
.contact-info a:hover{ color:var(--white); text-decoration:underline; }

.footer__bar{
  border-top:1px solid var(--white-faint);
  display:flex; flex-wrap:wrap; gap:.4rem 1.4rem; justify-content:center; align-items:center;
  padding:1.4rem 1rem; font-size:.82rem; color:var(--white-dim);
}
.footer__legal{ color:var(--white-dim); text-decoration:underline; }
.footer__legal:hover{ color:var(--white); }

/* ===================== RESPONSIVE ===================== */
@media (max-width:980px){
  .cards{ grid-template-columns:repeat(2,1fr); }
  .gallery{ grid-template-columns:repeat(3,1fr); }
  .footer__grid{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .nav__links{
    position:absolute; top:100%; right:0; left:0;
    flex-direction:column; gap:0; background:var(--red-dark);
    max-height:0; overflow:hidden; transition:max-height .35s ease;
  }
  .nav.open .nav__links{ max-height:320px; }
  .nav__links a{ padding:1rem clamp(1rem,5vw,3rem); border-top:1px solid var(--white-faint); }
  .nav__cta{ display:none; }
  .nav__burger{ display:block; order:3; }
  .form__grid{ grid-template-columns:1fr; gap:0; }
  .form__row, .form__row--3{ grid-template-columns:1fr; }
  .op{ grid-template-columns:1fr; gap:.4rem; }
  .slide__text{ display:block; }
  /* sur mobile : pas de survol → on révèle le texte directement */
  .hero .slide.is-active .slide__text{ max-height:200px; opacity:1; transform:none; }
}
@media (max-width:540px){
  .cards{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .slide__media{ transform:none; }
}