/* ==========================================================================
   SARL NIVARD — Feuille de style principale
   Palette : bleu nuit / blanc / gris clair / orange chantier (accent)
   Typos   : Archivo (titres) — Barlow (texte) — IBM Plex Mono (libellés)
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --navy-900:#0B1725;
  --navy-800:#122334;
  --navy-700:#1C3348;
  --grey-050:#F5F7F9;
  --grey-100:#EDF0F3;
  --grey-200:#DFE4E9;
  --grey-500:#6C7B8A;
  --ink:#0B1725;
  --white:#FFFFFF;
  --orange:#E35205;
  --orange-dark:#C24504;

  --display:'Archivo','Helvetica Neue',Arial,sans-serif;
  --body:'Barlow','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;

  --container:1240px;
  --gutter:clamp(1.25rem,5vw,2.5rem);
  --section-y:clamp(3.5rem,9vw,7rem);
  --header-h:76px;

  --radius:2px;
  --shadow:0 18px 40px -24px rgba(11,23,37,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem)}
body{
  margin:0;
  font-family:var(--body);
  font-size:clamp(1rem,.97rem + .15vw,1.0625rem);
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.06;letter-spacing:-.015em;margin:0}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--grey{background:var(--grey-050)}
.section--navy{background:var(--navy-900);color:var(--white)}
.section--tight{padding-block:clamp(2.5rem,6vw,4rem)}

.skip{position:absolute;left:-9999px;top:0;background:var(--orange);color:#fff;padding:.75rem 1.25rem;z-index:200}
.skip:focus{left:.5rem;top:.5rem}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 3. Éléments de structure ---------- */
/* Œil-de-bœuf : libellé mono + filet orange. Sert d'entrée de section. */
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--orange);
  display:flex;align-items:center;gap:.75rem;
  margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--orange);flex:none}
.eyebrow--center{justify-content:center}
.section--navy .eyebrow{color:#F0813F}

.h-xl{font-size:clamp(2.4rem,1.4rem + 4.6vw,4.5rem);text-transform:uppercase}
.h-lg{font-size:clamp(1.85rem,1.25rem + 2.6vw,3rem);text-transform:uppercase}
.h-md{font-size:clamp(1.35rem,1.1rem + 1.1vw,1.9rem);text-transform:uppercase}
.h-sm{font-size:1.0625rem;text-transform:uppercase;letter-spacing:.01em}

.lead{font-size:clamp(1.05rem,1rem + .35vw,1.25rem);color:var(--grey-500);max-width:62ch}
.section--navy .lead{color:#B9C6D2}
.section-head{max-width:62ch}
.section-head--center{margin-inline:auto;text-align:center}
.section-head--center .eyebrow{justify-content:center}
.section-head + *{margin-top:clamp(2rem,4vw,3.25rem)}

/* Numéro de lot — vernaculaire chantier (lots du DCE), pas une décoration */
.lot{
  font-family:var(--mono);
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--grey-500);
  text-transform:uppercase;
}

/* ---------- 4. Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--display);font-weight:600;
  font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;
  padding:1.05rem 1.6rem;
  border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
  min-height:52px;
}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-dark)}
.btn--dark{background:var(--navy-900);color:#fff}
.btn--dark:hover{background:var(--navy-700)}
.btn--ghost{border-color:currentColor;color:inherit;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--ghost-dark{border-color:var(--grey-200);color:var(--ink);background:#fff}
.btn--ghost-dark:hover{border-color:var(--navy-900)}
.btn--sm{padding:.8rem 1.15rem;min-height:44px;font-size:.75rem}
.btn--block{width:100%;justify-content:center}

.link-more{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-weight:600;font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--orange);
}
.link-more .arw{transition:transform .25s var(--ease)}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- 5. Médias : photos et emplacements réservés ---------- */
/* .media = bloc photo. L'URL est déclarée dans assets/css/images.css. */
.media{
  background-color:var(--grey-200);
  background-image:repeating-linear-gradient(45deg,rgba(11,23,37,.055) 0 10px,transparent 10px 20px);
  background-size:cover;background-position:center;background-repeat:no-repeat;
}

/* Toutes les images sont des emplacements réservés : remplacer par les
   photographies réelles de l'entreprise (voir README.md). */
.ph{
  position:relative;
  background-color:var(--grey-200);
  background-image:repeating-linear-gradient(45deg,rgba(11,23,37,.055) 0 10px,transparent 10px 20px);
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.ph::after{
  content:attr(data-ph);
  font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--grey-500);background:rgba(255,255,255,.82);
  border:1px solid rgba(11,23,37,.14);
  padding:.5rem .7rem;margin:1rem;text-align:center;line-height:1.5;max-width:85%;
}
.ph--dark{background-color:var(--navy-800);background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 12px,transparent 12px 24px)}
.ph--dark::after{color:#8FA2B4;background:rgba(11,23,37,.6);border-color:rgba(255,255,255,.18)}

/* ---------- 6. En-tête ---------- */
.header{
  position:fixed;inset:0 0 auto;z-index:100;
  background:#fff;border-bottom:1px solid var(--grey-200);
  transition:box-shadow .3s var(--ease);
}
.header.is-stuck{box-shadow:0 10px 30px -22px rgba(11,23,37,.5)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--header-h)}

.logo{display:flex;flex-direction:column;line-height:1;padding-block:.5rem}
.logo__mark{font-family:var(--display);font-weight:800;font-size:1.45rem;letter-spacing:-.01em;text-transform:uppercase;color:var(--navy-900)}
.logo__mark span{color:var(--grey-500);font-size:.6em;display:block;letter-spacing:.06em;font-weight:600}
.logo__sub{font-family:var(--mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-top:.3rem}

.nav{display:none}
.nav__list{display:flex;align-items:center;gap:clamp(.9rem,1.9vw,1.75rem);list-style:none;margin:0;padding:0}
.nav__link{
  font-family:var(--display);font-weight:600;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.6rem 0;display:inline-block;position:relative;color:var(--navy-900);
}
.nav__link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--orange);transition:right .28s var(--ease)}
.nav__link:hover::after,.nav__link[aria-current="page"]::after{right:0}

.header__cta{display:none}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:48px;height:48px;padding:0 12px;background:none;border:1px solid var(--grey-200);border-radius:var(--radius);cursor:pointer;
}
.burger span{display:block;height:2px;background:var(--navy-900);transition:transform .3s var(--ease),opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:var(--header-h) 0 0;z-index:99;background:var(--navy-900);color:#fff;
  padding:2rem var(--gutter) 2.5rem;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:none}
.mobile-menu ul{list-style:none;margin:0 0 2rem;padding:0}
.mobile-menu li + li{border-top:1px solid rgba(255,255,255,.12)}
.mobile-menu a{
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--display);font-weight:700;font-size:1.5rem;text-transform:uppercase;
  padding:1.05rem 0;
}
.mobile-menu a .lot{color:rgba(255,255,255,.35)}
.mobile-menu__actions{display:grid;gap:.75rem}

/* ---------- 7. Hero ---------- */
.hero{position:relative;margin-top:var(--header-h);background:var(--navy-900);color:#fff;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-2}
.hero__media::after{margin:0;position:absolute;bottom:1rem;right:1rem}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,23,37,.94) 0%,rgba(11,23,37,.82) 38%,rgba(11,23,37,.35) 100%);
}
.hero__inner{padding-block:clamp(4rem,13vw,8.5rem);max-width:44rem}
.hero h1{margin:0 0 1.4rem}
.hero__sub{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);color:#D3DDE6;max-width:34ch;margin-bottom:2.25rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem}

/* ---------- 8. Bandeau de confiance ---------- */
.trust{background:var(--navy-800);color:#fff}
.trust__grid{display:grid;grid-template-columns:1fr;list-style:none;margin:0;padding:0}
.trust__item{display:flex;align-items:center;gap:1rem;padding:1.4rem 0;border-bottom:1px solid rgba(255,255,255,.1)}
.trust__item:last-child{border-bottom:0}
.trust__item svg{flex:none;width:30px;height:30px;stroke:var(--orange)}
.trust__item span{font-family:var(--display);font-weight:600;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;line-height:1.35}

/* ---------- 9. Métiers ---------- */
.cards{display:grid;gap:1.25rem;grid-template-columns:1fr}
.card{
  background:#fff;border:1px solid var(--grey-200);border-radius:var(--radius);
  display:flex;flex-direction:column;overflow:hidden;
  transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{border-color:var(--navy-900);transform:translateY(-4px);box-shadow:var(--shadow)}
.card__media{aspect-ratio:4/3}
.card__body{padding:1.5rem 1.5rem 1.25rem;flex:1;display:flex;flex-direction:column;gap:.7rem}
.card__head{display:flex;align-items:center;gap:.8rem}
.card__head svg{width:26px;height:26px;stroke:var(--orange);flex:none}
.card__text{color:var(--grey-500);font-size:.98rem;margin:0}
.card__foot{margin-top:auto;padding:1rem 1.5rem;border-top:1px solid var(--grey-200)}

/* ---------- 10. Réalisations ---------- */
.projects{display:grid;gap:1.25rem;grid-template-columns:1fr}
.project{
  position:relative;display:block;width:100%;text-align:left;
  border:0;padding:0;background:var(--navy-900);color:#fff;cursor:pointer;
  overflow:hidden;border-radius:var(--radius);
}
.project__media{aspect-ratio:4/3;transition:transform .5s var(--ease),opacity .3s}
.project:hover .project__media{transform:scale(1.04);opacity:.85}
.project__overlay{
  position:absolute;inset:auto 0 0 0;padding:1.5rem 1.25rem 1.25rem;
  background:linear-gradient(to top,rgba(11,23,37,.95),rgba(11,23,37,0));
  pointer-events:none;
}
.project__type{font-family:var(--display);font-weight:700;font-size:1.05rem;text-transform:uppercase;line-height:1.2}
.project__loc{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#F0813F;margin-top:.45rem}
.project__tags{margin-top:.6rem;font-size:.85rem;color:#C3CFDA}

.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.filter{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.6rem 1rem;background:#fff;border:1px solid var(--grey-200);border-radius:var(--radius);cursor:pointer;
  transition:.2s var(--ease);min-height:42px;
}
.filter:hover{border-color:var(--navy-900)}
.filter[aria-pressed="true"]{background:var(--navy-900);border-color:var(--navy-900);color:#fff}

/* Fiche chantier (modale) */
.dialog{
  border:0;padding:0;width:min(920px,92vw);max-height:88vh;background:#fff;
  box-shadow:0 40px 80px -30px rgba(11,23,37,.6);border-radius:var(--radius);
  overflow:auto;position:fixed;
}
.dialog::backdrop{background:rgba(11,23,37,.7);backdrop-filter:blur(2px)}
.dialog__media{aspect-ratio:16/9}
.dialog__body{padding:clamp(1.5rem,4vw,2.5rem)}
.dialog__close{
  position:absolute;top:1rem;right:1rem;width:44px;height:44px;border:0;border-radius:var(--radius);
  background:rgba(11,23,37,.75);color:#fff;font-size:1.35rem;line-height:1;cursor:pointer;
}
.dialog__grid{display:grid;gap:1.5rem;margin-top:1.5rem}
.spec dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin-bottom:.35rem}
.spec dd{margin:0 0 1.1rem;font-size:.98rem}
.spec dd:last-child{margin-bottom:0}

/* ---------- 11. À propos / engagements ---------- */
.split{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center}
.split__media{aspect-ratio:4/3}
.checklist{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.7rem}
.checklist li{display:flex;gap:.75rem;align-items:flex-start;font-size:1rem}
.checklist li::before{content:"";flex:none;width:8px;height:8px;margin-top:.55rem;background:var(--orange)}

.pillars{display:grid;gap:1.75rem;grid-template-columns:1fr}
.pillar{padding-top:1.25rem;border-top:2px solid var(--navy-900)}
.pillar .lot{display:block;margin-bottom:.5rem}
.pillar h3{margin-bottom:.6rem}
.pillar p{color:var(--grey-500);font-size:.97rem}
.section--navy .pillar{border-top-color:var(--orange)}
.section--navy .pillar p{color:#B9C6D2}
.section--navy .pillar .lot{color:rgba(255,255,255,.45)}

/* Bandeau professionnels */
.pro{background:var(--navy-900);color:#fff;position:relative;overflow:hidden}
.pro::after{
  content:"";position:absolute;inset:0 0 0 auto;width:40%;
  background:repeating-linear-gradient(45deg,rgba(227,82,5,.16) 0 14px,transparent 14px 28px);
  opacity:.9;pointer-events:none;
}
.pro__inner{position:relative;z-index:1;display:grid;gap:1.75rem;align-items:center}

/* ---------- 12. CTA final + footer ---------- */
.cta__grid{display:grid;gap:2.5rem}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.contact-list li{display:flex;gap:.85rem;align-items:center}
.contact-list svg{width:20px;height:20px;stroke:var(--orange);flex:none}
.contact-list a{border-bottom:1px solid rgba(255,255,255,.25)}
.contact-list a:hover{border-color:var(--orange)}
.placeholder-tag{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--orange);border:1px dashed currentColor;padding:.1rem .35rem;margin-left:.4rem;white-space:nowrap;
}

.footer{background:var(--navy-900);color:#93A4B4;border-top:1px solid rgba(255,255,255,.1);padding-block:clamp(2.5rem,6vw,4rem)}
.footer__grid{display:grid;gap:2.25rem}
.footer .logo__mark{color:#fff}
.footer .logo__mark span{color:#6C7B8A}
.footer h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;font-weight:500;margin-bottom:1rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.footer a:hover{color:#fff}
.footer__bottom{
  margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:1rem 1.75rem;justify-content:space-between;
  font-size:.82rem;
}
.footer__legal{display:flex;flex-wrap:wrap;gap:1.25rem}

/* ---------- 13. Pages internes ---------- */
.page-hero{margin-top:var(--header-h);background:var(--navy-900);color:#fff;padding-block:clamp(3rem,8vw,5.5rem);position:relative;isolation:isolate;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0 0 0 auto;width:35%;z-index:-1;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 14px,transparent 14px 28px);
}
.page-hero h1{max-width:20ch}
.page-hero .lead{margin-top:1.25rem;color:#B9C6D2}
.breadcrumb{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:#7E93A6;margin-bottom:1.5rem}
.breadcrumb a:hover{color:#fff}

.trade{display:grid;gap:clamp(1.5rem,4vw,3rem);align-items:start;padding-block:clamp(2.5rem,6vw,4rem);border-top:1px solid var(--grey-200)}
.trade:first-of-type{border-top:0}
.trade__media{aspect-ratio:4/3}
.trade__gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin-top:.6rem}
.trade__gallery .ph{aspect-ratio:1}
.trade__gallery .ph::after{font-size:.55rem;padding:.3rem .4rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:1.25rem 0 0;padding:0}
.tags li{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;background:var(--grey-100);padding:.4rem .65rem;color:var(--navy-800)}
.trade__actions{margin-top:1.75rem;display:flex;flex-wrap:wrap;gap:.75rem}

.anchor-nav{background:var(--grey-050);border-bottom:1px solid var(--grey-200);position:sticky;top:var(--header-h);z-index:50}
.anchor-nav ul{display:flex;gap:1.5rem;overflow-x:auto;list-style:none;margin:0;padding:.9rem 0;scrollbar-width:none}
.anchor-nav ul::-webkit-scrollbar{display:none}
.anchor-nav a{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;color:var(--grey-500);padding-block:.35rem}
.anchor-nav a:hover{color:var(--orange)}

/* ---------- 14. Formulaires ---------- */
.form{display:grid;gap:1.1rem}
.form__row{display:grid;gap:1.1rem}
.field{display:grid;gap:.45rem}
.field label{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-800)}
.field .req{color:var(--orange)}
.field input,.field select,.field textarea{
  width:100%;padding:.9rem 1rem;background:#fff;
  border:1px solid var(--grey-200);border-radius:var(--radius);
  transition:border-color .2s var(--ease);min-height:52px;
}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--navy-900);outline-offset:1px}
.field .hint{font-size:.82rem;color:var(--grey-500)}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{border-color:#C0392B}
.error-msg{font-size:.82rem;color:#C0392B;display:none}
.field.is-invalid .error-msg{display:block}

.dropzone{
  border:1px dashed var(--grey-200);background:var(--grey-050);
  padding:1.75rem 1.25rem;text-align:center;border-radius:var(--radius);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.dropzone.is-over{border-color:var(--orange);background:#fff}
.dropzone svg{width:28px;height:28px;stroke:var(--orange);margin-inline:auto}
.dropzone p{margin:.75rem 0 .25rem;font-size:.95rem}
.file-list{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.5rem;text-align:left}
.file-list li{display:flex;justify-content:space-between;gap:1rem;font-family:var(--mono);font-size:.72rem;background:#fff;border:1px solid var(--grey-200);padding:.55rem .75rem}

.form-steps{counter-reset:step;display:grid;gap:2rem}
.form-step{border-top:2px solid var(--navy-900);padding-top:1.25rem}
.form-step__title{display:flex;align-items:baseline;gap:.75rem;margin-bottom:1.25rem}

.form-note{font-size:.85rem;color:var(--grey-500)}
.form-success{
  display:none;border-left:3px solid var(--orange);background:var(--grey-050);
  padding:1.25rem 1.5rem;
}
.form-success.is-visible{display:block}

.info-panel{background:var(--navy-900);color:#fff;padding:clamp(1.75rem,4vw,2.5rem);border-radius:var(--radius);align-self:start}
.info-panel h3{margin-bottom:1.25rem}

/* ---------- 15. Contenu éditorial (mentions légales) ---------- */
.prose{max-width:72ch}
.prose h2{font-size:1.35rem;text-transform:uppercase;margin:2.5rem 0 .9rem}
.prose h2:first-child{margin-top:0}
.prose ul{padding-left:1.1rem;color:var(--ink)}
.prose li{margin-bottom:.4rem}
.mark{background:rgba(227,82,5,.12);border-bottom:1px dashed var(--orange);padding:0 .2rem}

/* ---------- 15 bis. Éléments de crédibilité ---------- */
.exp{
  display:inline-flex;align-items:baseline;gap:.6rem;
  border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);
  padding:.5rem .85rem;margin-bottom:1.5rem;
}
.exp__num{font-family:var(--display);font-weight:800;font-size:1.15rem;color:#fff;letter-spacing:-.01em}
.exp__txt{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#B9C6D2}

.process{display:grid;gap:0;counter-reset:none}
.process__step{
  display:grid;gap:.35rem;padding:1.4rem 0;border-top:1px solid var(--grey-200);
  grid-template-columns:auto 1fr;column-gap:1.5rem;align-items:baseline;
}
.process__step:last-child{border-bottom:1px solid var(--grey-200)}
.process__num{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--orange)}
.process__body h3{font-size:1.05rem;text-transform:uppercase;margin-bottom:.35rem}
.process__body p{color:var(--grey-500);font-size:.97rem;max-width:52ch}

.contact-strip{
  display:flex;flex-wrap:wrap;gap:.75rem 2rem;align-items:center;
  font-family:var(--display);font-weight:600;font-size:.95rem;
}
.contact-strip a{display:inline-flex;align-items:center;gap:.5rem}
.contact-strip svg{width:18px;height:18px;stroke:var(--orange)}
.contact-strip a:hover{color:var(--orange)}

/* ---------- 16. Animations discrètes ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 17. Points de rupture ---------- */
@media (min-width:600px){
  .trust__grid{grid-template-columns:1fr 1fr}
  .trust__item{border-bottom:0;padding:1.6rem 1.25rem 1.6rem 0}
  .cards,.projects{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:repeat(2,1fr);gap:2rem}
  .form__row--2{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:repeat(2,1fr)}
  .dialog__grid{grid-template-columns:1.4fr 1fr;gap:2.5rem}
}
@media (min-width:980px){
  :root{--header-h:88px}
  .nav{display:block}
  .header__cta{display:inline-flex}
  .burger{display:none}
  .mobile-menu{display:none}
  .trust__grid{grid-template-columns:repeat(4,1fr)}
  .trust__item{border-left:1px solid rgba(255,255,255,.12);padding-inline:1.25rem}
  .trust__item:first-child{border-left:0;padding-left:0}
  .cards{grid-template-columns:repeat(4,1fr)}
  .projects{grid-template-columns:repeat(4,1fr)}
  .projects--page{grid-template-columns:repeat(3,1fr)}
  .pillars{grid-template-columns:repeat(4,1fr)}
  .split{grid-template-columns:1fr 1fr}
  .split--reverse .split__media{order:2}
  .trade{grid-template-columns:1fr 1fr}
  .trade--reverse .trade__col--media{order:2}
  .pro__inner{grid-template-columns:1.3fr auto;gap:3rem}
  .cta__grid{grid-template-columns:1.1fr .9fr auto;align-items:center;gap:3rem}
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .process__step{grid-template-columns:5rem 1fr}
  .form-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:clamp(2rem,4vw,4rem);align-items:start}
}

/* ---------- 18. Version épurée : bandeau, tuiles métiers, réalisations ---------- */
.strip{background:var(--navy-900);color:#C7D3DE}
.strip ul{
  display:flex;flex-wrap:wrap;justify-content:center;gap:.65rem 2.25rem;
  list-style:none;margin:0;padding:1.15rem 0;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;
}
.strip li{display:flex;align-items:center;gap:.65rem}
.strip li::before{content:"";width:5px;height:5px;background:var(--orange);flex:none}

.tiles{display:grid;gap:2rem 1.5rem;grid-template-columns:1fr}
.tile__media{aspect-ratio:4/3}
.tile h3{margin-top:1.1rem;font-size:1rem;text-transform:uppercase;letter-spacing:.01em}
.tile p{margin-top:.4rem;color:var(--grey-500);font-size:.95rem}

.works{display:grid;gap:clamp(3rem,7vw,5rem)}
.work__media{aspect-ratio:16/10}
.work__head{display:flex;align-items:baseline;gap:1rem;margin-top:1.25rem}
.work__num{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--orange);flex:none}
.work p{margin-top:.5rem;color:var(--grey-500);max-width:60ch}

.ba{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.ba figure{margin:0}
.ba__img{aspect-ratio:3/4}
.ba figcaption{
  margin-top:.7rem;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--grey-500);
  display:flex;align-items:center;gap:.55rem;
}
.ba figcaption::before{content:"";width:16px;height:2px;background:var(--grey-200)}
.ba figure:last-child figcaption{color:var(--orange)}
.ba figure:last-child figcaption::before{background:var(--orange)}

.contact-final{display:grid;gap:2rem;align-items:end}
.contact-final dl{margin:0;display:grid;gap:1.1rem}
.contact-final dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:#7E93A6;margin-bottom:.25rem}
.contact-final dd{margin:0;font-family:var(--display);font-weight:600;font-size:1.15rem}
.contact-final a:hover{color:var(--orange)}

@media (min-width:600px){
  .tiles{grid-template-columns:repeat(2,1fr)}
  .ba{gap:1.25rem}
}
@media (min-width:980px){
  .tiles{grid-template-columns:repeat(4,1fr)}
  .contact-final{grid-template-columns:1fr auto auto;gap:3.5rem}
}

/* ---------- 19. Clients et tableau de références ---------- */
.clients{margin-top:3rem;padding-top:1.75rem;border-top:1px solid var(--grey-200);text-align:center}
.clients ul{
  list-style:none;margin:1rem 0 0;padding:0;
  display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem 2.25rem;
  font-family:var(--display);font-weight:600;font-size:clamp(.95rem,.9rem + .3vw,1.15rem);
  color:var(--navy-800);
}
.clients .lot{display:block}

.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--grey-200)}
.refs{width:100%;border-collapse:collapse;min-width:640px;font-size:.95rem}
.refs th{
  background:var(--navy-900);color:#fff;text-align:left;font-weight:500;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.9rem 1.1rem;
}
.refs td{padding:.9rem 1.1rem;border-top:1px solid var(--grey-200);vertical-align:top;color:#3C4A57}
.refs tr td:first-child{font-weight:600;color:var(--navy-900);white-space:nowrap}

/* ---------- 20. Message d'erreur d'envoi ---------- */
.form-error{border-left:3px solid #C0392B;background:#FDF3F2;padding:1.25rem 1.5rem;margin-bottom:1.5rem}
.form-error a{border-bottom:1px solid var(--grey-200)}
.form-error a:hover{border-color:var(--orange);color:var(--orange)}