/* =============================================================================
   Hydrocad SA — feuille de style unique
   Palette tirée du logo (bleu #003575) et de la matière des chantiers :
   acier galvanisé, inox, rouge des servomoteurs.
   ============================================================================= */

:root {
  --navy:      #003575;
  --navy-800:  #002a5e;
  --navy-900:  #001f46;
  --navy-050:  #e8eef6;
  --ink:       #10161c;
  --steel:     #66727d;
  --steel-200: #b9c1c7;
  --rule:      #d9dde0;
  --rule-dark: rgba(255, 255, 255, .16);
  --paper:     #f4f5f3;
  --white:     #ffffff;
  --signal:    #e2481f;          /* rouge servomoteur — épingles et accents ponctuels */

  --pad: clamp(20px, 4.2vw, 68px);
  --max: 1440px;
  --gap: clamp(20px, 2.6vw, 40px);

  --display: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --label: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------------------------------------------------------------- base ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--navy); color: #fff; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: 12px 18px;
  font: 600 .8rem/1 var(--label);
}
.skip-link:focus { left: 12px; top: 12px; }

/* --------------------------------------------------------- conteneurs ---- */
.grid {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(72px, 9vw, 140px); position: relative; }
.section + .section { border-top: 1px solid var(--rule); }
.nameplate-band + .section { border-top: 0; }

.section__head { margin-bottom: clamp(40px, 5vw, 72px); }

.section__title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.022em;
  text-transform: uppercase;
  margin-bottom: .55em;
  max-width: 22ch;
}

.section__note {
  max-width: 56ch;
  color: var(--steel);
  font-size: 1.02rem;
  margin: 0;
}

/* ------------------------------------------------------------- repères ---- */
.eyebrow {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px;
  min-width: 0;
  margin: 0 0 1.15em 2px;
  font: 600 .89rem/1.1 var(--label);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
}
.eyebrow--light { color: rgba(255, 255, 255, .82); }

/* --------------------------------------------------------------- liens ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 26px;
  font: 600 .78rem/1 var(--label);
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--solid { background: var(--navy); color: #fff; }
.btn--solid:hover { background: var(--navy-900); }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }

/* ================================================================ NAV ===== */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow .25s var(--ease);
}
.topbar.is-stuck { box-shadow: 0 1px 22px rgba(16, 22, 28, .09); }

.topbar__inner {
  max-width: none; margin: 0;
  padding-inline: clamp(16px, 2.4vw, 40px);
  display: flex; align-items: center; gap: clamp(16px, 3vw, 48px);
  height: 84px;
  transition: height .25s var(--ease);
}
.topbar.is-stuck .topbar__inner { height: 68px; }

.topbar__logo { display: flex; align-items: center; flex: none; }
.topbar__logo img {
  width: clamp(148px, 15vw, 196px); height: auto;
  transition: width .25s var(--ease);
}

.topbar__nav {
  position: relative; display: flex; gap: clamp(14px, 2.2vw, 34px);
  margin-left: auto; margin-right: clamp(18px, 3.4vw, 56px);
}
.topbar__nav a {
  position: relative;
  padding: 6px 2px;
  font: 600 .78rem/1 var(--label);
  letter-spacing: .07em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel);
  transition: color .18s var(--ease);
}
.topbar__nav a:hover, .topbar__nav a.is-active { color: var(--ink); }

/* Le trait qui glisse sous la rubrique courante */
.topbar__marker {
  position: absolute; bottom: -4px; left: 0;
  height: 2px; width: 0;
  background: var(--navy);
  transition: transform .38s var(--ease), width .38s var(--ease), opacity .2s;
  opacity: 0;
}
.topbar__marker.is-on { opacity: 1; }

.topbar__aside { display: flex; align-items: center; gap: clamp(12px, 1.8vw, 26px); flex: none; }

.topbar__cta { padding: 13px 22px; }

.topbar__burger {
  display: none; align-items: center; gap: 10px;
  background: none; border: 0; padding: 8px 0; cursor: pointer;
  font: 600 .78rem/1 var(--label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink);
}
.topbar__burger-lines { display: grid; gap: 5px; width: 22px; }
.topbar__burger-lines i {
  display: block; height: 2px; background: currentColor;
  transition: transform .3s var(--ease), opacity .2s;
}
.topbar__burger[aria-expanded="true"] .topbar__burger-lines i:first-child { transform: translateY(3.5px) rotate(45deg); }
.topbar__burger[aria-expanded="true"] .topbar__burger-lines i:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ------------------------------------------------------------- tiroir ---- */
.drawer[hidden] { display: none; }

.drawer {
  position: fixed; inset: 84px 0 0; z-index: 99;
  background: var(--navy);
  color: #fff;
  padding: clamp(28px, 6vw, 56px) var(--pad);
  display: flex; flex-direction: column; justify-content: space-between;
  overflow-y: auto;
}
.drawer__nav { display: grid; }
.drawer__nav a {
  display: flex; align-items: baseline; gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-dark);
  text-decoration: none;
  font-size: clamp(1.6rem, 8vw, 2.4rem);
  font-weight: 700;
  text-transform: uppercase; letter-spacing: -.02em;
}
.drawer__nav a span {
  font: 600 .7rem/1 var(--label); letter-spacing: .1em;
  color: rgba(255, 255, 255, .5);
}
.drawer__foot {
  margin-top: 36px;
  font: 500 .84rem/1.9 var(--label);
  color: rgba(255, 255, 255, .74);
  display: grid; gap: 2px;
}
.drawer__foot a { text-decoration: none; }
.drawer__foot p { margin: 8px 0 0; }

/* =============================================================== HERO ===== */
/* Composition Despraz : le titre respire sur blanc, la photo prend toute la largeur
   en dessous, et un seul lien en surimpression amorce la lecture. */
.hero { background: var(--white); }

.hero__intro { padding-block: clamp(48px, 7.5vw, 108px) clamp(40px, 6vw, 84px); }

.hero__intro-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: calc(var(--pad) + clamp(16px, 2.4vw, 40px));
}
/* Les deux filets verticaux qui cadrent le titre */
.hero__intro-inner::before,
.hero__intro-inner::after {
  content: "";
  position: absolute; top: calc(-1 * clamp(48px, 7.5vw, 108px)); bottom: calc(-1 * clamp(40px, 6vw, 84px));
  width: 1px; background: var(--rule);
}
.hero__intro-inner::before { left: var(--pad); }
.hero__intro-inner::after  { right: var(--pad); }

.hero__kicker {
  margin: 0 0 1.6em;
  padding-left: 1.05em;
  text-indent: -1.05em;
  font: 600 .82rem/1 var(--label);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
}

.hero__barre { display: inline-block; width: 1.05em; text-indent: 0; }

.hero__title {
  font-size: clamp(1.6rem, 5.3vw, 5.2rem);
  font-weight: 700;
  line-height: .96;
  letter-spacing: -.028em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}
.hero__title span { display: block; }
.hero__title span + span { margin-top: .06em; }

.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  height: clamp(300px, 44vw, 640px);
  object-fit: cover;
}

/* Le lien en surimpression, calé sur le filet droit du bloc de titre */
.hero__overlay {
  position: absolute; top: 0; left: 0; right: 0;
  max-width: var(--max); margin: 0 auto;
  padding-inline: var(--pad);
  display: flex; justify-content: flex-end;
  pointer-events: none;
}
.hero__about {
  pointer-events: auto;
  width: min(430px, 44vw);
  height: clamp(56px, 5vw, 72px);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-inline: clamp(18px, 2vw, 30px);
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
  text-decoration: none;
  font: 600 .8rem/1 var(--label);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.hero__about:hover { background: var(--navy); color: #fff; }
.hero__about svg {
  width: 22px; height: 22px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  transition: transform .3s var(--ease);
}
.hero__about:hover svg { transform: translateX(5px); }

/* --------------------------------------------------- plaque signalétique -- */
.nameplate-band { border-bottom: 1px solid var(--rule); background: var(--white); }

.nameplate {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max); width: 100%;
  margin: 0 auto;
  padding-inline: var(--pad);
}
.nameplate__cell {
  padding: clamp(18px, 2vw, 26px) clamp(14px, 2vw, 28px) clamp(18px, 2vw, 26px) 0;
  border-left: 1px solid var(--rule);
  padding-left: clamp(14px, 2vw, 28px);
}
.nameplate__cell:first-child { border-left: 0; padding-left: 0; }
.nameplate dt {
  font: 600 .64rem/1 var(--label); letter-spacing: .16em;
  text-transform: uppercase; color: var(--steel);
  margin-bottom: 9px;
}
.nameplate dd {
  margin: 0;
  font-size: .93rem; line-height: 1.42;
  color: var(--ink);
}
/* Cellule « Soudage » : le sceau SQS accompagne la mention de la norme */
.nameplate__cell--cert dd {
  display: flex; align-items: flex-start; gap: 13px;
}

/* ======================================================= PRÉSENTATION ===== */
.section--presentation .grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  column-gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.section--presentation .section__head { grid-column: 1 / -1; }

.presentation__lede p {
  font-size: clamp(1.06rem, 1.5vw, 1.3rem);
  line-height: 1.56;
  max-width: 46ch;
}
.presentation__lede p:first-child { font-weight: 500; }

.presentation__facts { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.fact {
  display: grid;
  grid-template-columns: minmax(120px, 9.5rem) 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.fact dt {
  font: 600 .68rem/1.5 var(--label); letter-spacing: .14em;
  text-transform: uppercase; color: var(--steel);
}
.fact dd { margin: 0; font-size: .97rem; line-height: 1.55; }

/* Sceau de certification SQS, posé à côté du libellé */
.fact--cert dd {
  display: flex; align-items: center; gap: 18px;
}
.cert-seal {
  flex: 0 0 auto;
  width: 88px; height: 88px;
  opacity: .88;
}
/* 44 px : la hauteur d'un « dd » de deux lignes, la bande ne grandit pas. */
.cert-seal--sm { width: 44px; height: 44px; margin-top: -1px; }
@media (max-width: 560px) {
  .cert-seal { width: 62px; height: 62px; }
  .fact--cert dd { gap: 14px; }
}

.ticks { display: grid; gap: 7px; }
.ticks li { position: relative; padding-left: 20px; font-size: .97rem; line-height: 1.45; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .58em;
  width: 5px; height: 5px; background: var(--navy);
}

/* =========================================================== DOMAINES ===== */
.section--domaines { background: var(--white); }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.8vw, 44px);
}
.card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--rule);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { border-color: var(--steel-200); }
.card:hover { background: var(--navy-050); }

.card__media { margin: 0; overflow: hidden; aspect-ratio: 4 / 3; }
.card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease), filter .5s var(--ease);
  filter: saturate(.9);
}
.card:hover .card__media img { transform: scale(1.045); filter: saturate(1); }

.card__body { padding: clamp(22px, 2.4vw, 34px); flex: 1; }
.card__index {
  font: 600 .66rem/1 var(--label); letter-spacing: .18em;
  text-transform: uppercase; color: var(--signal);
  margin: 0 0 14px 1px;
}
.card__title {
  font-size: clamp(1.4rem, 2.1vw, 1.85rem);
  font-weight: 700;
  line-height: 1.02; letter-spacing: -.02em;
  text-transform: uppercase;
  margin-bottom: .45em;
}
.card__soustitre {
  margin: 0 0 1.5em;
  padding-bottom: 1.2em;
  border-bottom: 1px solid var(--rule);
  font-size: 1rem; line-height: 1.4;
  color: var(--steel);
}
.card__body .ticks li { color: #3c464f; }

.card__link {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin: 0 clamp(22px, 2.4vw, 34px) clamp(22px, 2.4vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  text-decoration: none;
  font: 600 .74rem/1 var(--label); letter-spacing: .1em;
  text-transform: uppercase; color: var(--navy);
}
.card__link svg {
  width: 20px; height: 20px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  transition: transform .3s var(--ease);
}
.card__link:hover svg { transform: translateX(5px); }
/* toute la carte est cliquable, la cible reste le lien */
.card__link::after { content: ""; position: absolute; inset: 0; }

/* ======================================================= RÉALISATIONS ===== */
.section--realisations {
  background: var(--navy-900);
  color: #fff;
  border-top: 0;
}
.section--realisations .section__title { color: #fff; }
.section--realisations .section__note { color: rgba(255, 255, 255, .66); }

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: clamp(150px, 13.2vw, 215px);
  gap: clamp(10px, 1.2vw, 18px);
}
.shot {
  position: relative; overflow: hidden;
  background: var(--navy-800);
}
.shot--wide { grid-column: span 2; }
.shot img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.82) contrast(1.02);
  transition: transform .8s var(--ease), filter .5s var(--ease);
}
.shot:hover img { transform: scale(1.05); filter: saturate(1); }

.shot__caption {
  position: absolute; inset: auto 0 0 0;
  padding: 44px 18px 16px;
  background: linear-gradient(transparent, rgba(0, 16, 38, .9));
  display: grid; gap: 3px;
}
.shot__caption span {
  font-weight: 600; font-size: .95rem; letter-spacing: -.008em;
}
.shot__caption em {
  font: 600 .7rem/1.3 var(--label); font-style: normal;
  letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255, 255, 255, .66);
}

/* ============================================================== CARTE ===== */
.section--carte { background: var(--white); }

.carte {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 21rem);
  gap: clamp(24px, 3.5vw, 56px);
  align-items: start;
}

/* Cadre de détail : la coupe dans la carte doit se lire comme un choix */
.carte__map {
  position: relative;
  border: 1px solid var(--rule);
  background: #f7f8f7;
}
.carte__map.est-zoome svg { cursor: grab; }
.carte__map.en-prise svg { cursor: grabbing; }

/* --------------------------------------------------------------- zoom ----- */
.carte__zoom {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  display: flex; gap: 6px;
}
.carte__zoom button {
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--rule);
  padding: 7px 11px;
  cursor: pointer;
  font: 500 .74rem/1 var(--label);
  letter-spacing: .02em;
  color: var(--steel);
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.carte__zoom button[data-vue="plus"],
.carte__zoom button[data-vue="moins"] {
  width: 30px; padding: 7px 0; text-align: center;
  font-size: .92rem; line-height: .8;
}
.carte__zoom button:hover { border-color: var(--navy); color: var(--navy); background: #fff; }

.carte__aide {
  position: absolute; left: 12px; bottom: 10px; z-index: 2;
  margin: 0;
  font: 500 .68rem/1.4 var(--label);
  letter-spacing: .02em;
  color: var(--steel-200);
  pointer-events: none;
}
.carte__aide kbd {
  font: inherit;
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 0 3px;
}
.carte__map svg { display: block; width: 100%; height: auto; }

.map__pays {
  fill: #edefee; stroke: var(--steel-200);
  stroke-width: calc(1.6 * var(--k, 1)); stroke-linejoin: round;
}
.map__lac { fill: #dae3ed; stroke: none; }

.pin { cursor: pointer; }
.pin__hit { fill: transparent; }
.pin__ring {
  fill: #fff; stroke: var(--navy); stroke-width: calc(3 * var(--k, 1));
  transition: stroke .2s var(--ease), fill .2s var(--ease);
}
.pin__core { fill: var(--navy); transition: fill .2s var(--ease), r .25s var(--ease); }
.pin__label {
  font: 500 calc(11.5px * var(--k, 1)) / 1 var(--label);
  letter-spacing: .01em;
  fill: var(--steel);
  paint-order: stroke;
  stroke: #fff; stroke-width: calc(3.5px * var(--k, 1)); stroke-linejoin: round;
  opacity: 0; transition: opacity .2s var(--ease), fill .2s var(--ease);
  pointer-events: none;
}
.pin--nomme .pin__label,
.is-zoome .pin__label { opacity: 1; }
.pin:hover .pin__label, .pin.is-active .pin__label { fill: var(--ink); }
.pin:hover .pin__label, .pin.is-active .pin__label, .pin:focus-visible .pin__label { opacity: 1; }
.pin:hover .pin__ring, .pin.is-active .pin__ring { stroke: var(--signal); }
.pin:hover .pin__core, .pin.is-active .pin__core { fill: var(--signal); }

/* Le siège : la bride du logo, posée sur Étagnières */
.pin--siege .pin__flange { fill: var(--navy); transition: fill .2s var(--ease); }
.pin--siege .pin__label { opacity: 1; fill: var(--navy); }
.pin--siege:hover .pin__flange, .pin--siege.is-active .pin__flange { fill: var(--signal); }

/* Le panneau colle au défilement à l'intérieur de sa colonne, jamais au-delà :
   sur un élément de grille directement, Safari le laisse glisser sur la rangée
   suivante et il recouvrait l'index des localités. */
.carte__colonne { align-self: stretch; min-width: 0; }

.carte__panel {
  border-top: 2px solid var(--navy);
  padding-top: 20px;
  position: sticky; top: 110px;
}
.carte__panel-eyebrow {
  font: 600 .66rem/1 var(--label); letter-spacing: .16em;
  text-transform: uppercase; color: var(--steel); margin: 0 0 10px 1px;
}
.carte__panel-title {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 700;
  text-transform: uppercase; letter-spacing: -.018em; line-height: 1.05;
  margin-bottom: 16px;
}
/* La vue du chantier survolé */
.carte__vue {
  position: relative; margin: 0 0 16px;
  aspect-ratio: 3 / 2;
  background: #edefee;
  overflow: hidden;
}
.carte__vue img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity .35s var(--ease);
}
.carte__vue img.is-chargee { opacity: 1; }
.carte__vue.is-vide img { display: none; }
.carte__vue.is-vide::after {
  content: "Survolez une épingle";
  position: absolute; inset: 0;
  display: grid; place-content: center;
  font: 600 .72rem/1 var(--label); letter-spacing: .12em;
  text-transform: uppercase; color: var(--steel-200);
}
.carte__vue figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 30px 14px 11px;
  background: linear-gradient(transparent, rgba(0, 16, 38, .82));
  color: #fff;
  font: 500 .74rem/1.35 var(--label);
  letter-spacing: .01em;
}
.carte__vue.is-vide figcaption { display: none; }

.carte__panel-list {
  display: grid; gap: 2px;
  max-height: 40vh; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--steel-200) transparent;
}
.carte__panel-list::-webkit-scrollbar { width: 4px; }
.carte__panel-list::-webkit-scrollbar-thumb { background: var(--steel-200); }
.carte__panel-list li { font-size: .93rem; line-height: 1.4; color: #3c464f; }

/* Un chantier avec photo : la vignette pilote la grande vue */
.chantier {
  display: flex; align-items: center; gap: 12px;
  width: 100%; padding: 6px 0; text-align: left;
  background: none; border: 0; cursor: pointer;
  font: inherit; color: inherit;
  transition: color .18s var(--ease);
}
.chantier img { width: 62px; height: 42px; object-fit: cover; flex: none; }
.chantier:hover, .chantier.is-active { color: var(--navy); }
.chantier:hover img, .chantier.is-active img { outline: 2px solid var(--navy); outline-offset: -2px; }

.chantier--nu {
  position: relative; padding: 6px 0 6px 20px;
}
.chantier--nu::before {
  content: ""; position: absolute; left: 0; top: .95em;
  width: 5px; height: 5px; background: var(--steel-200);
}

.carte__index {
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: clamp(20px, 3vw, 40px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--rule);
}
.carte__index button {
  background: none; cursor: pointer;
  border: 1px solid var(--rule);
  padding: 8px 13px;
  font: 500 .76rem/1 var(--label);
  letter-spacing: .02em;
  color: var(--steel);
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.carte__index button:hover { border-color: var(--navy); color: var(--navy); }
.carte__index button.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ============================================================ CONTACT ===== */
.section--contact { background: var(--navy); color: #fff; border-top: 0; }
.section--contact .grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.rdv__title {
  font-size: clamp(2rem, 4.1vw, 3.2rem);
  font-weight: 700;
  line-height: .98; letter-spacing: -.024em;
  text-transform: uppercase;
  margin-bottom: .35em;
}
.rdv__lede {
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  color: rgba(255, 255, 255, .8);
  margin-bottom: 2.2em;
}

.rdv__coords { display: grid; border-top: 1px solid var(--rule-dark); }
.rdv__coords li {
  display: grid;
  grid-template-columns: minmax(96px, 8rem) 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-dark);
}
.rdv__coords span {
  font: 600 .68rem/1.6 var(--label); letter-spacing: .14em;
  text-transform: uppercase; color: rgba(255, 255, 255, .5);
}
.rdv__coords a {
  text-decoration: none;
  font-size: 1.02rem; line-height: 1.45;
  border-bottom: 1px solid rgba(255, 255, 255, .28);
  justify-self: start;
  transition: border-color .2s var(--ease);
}
.rdv__coords a:hover { border-color: #fff; }

/* ------------------------------------------------------------ formulaire -- */
.form { background: var(--white); color: var(--ink); padding: clamp(24px, 3vw, 40px); }
.form__intro { font-size: .97rem; color: var(--steel); margin-bottom: 1.7em; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { display: grid; gap: 7px; margin-bottom: 18px; }
.field__label {
  font: 600 .68rem/1 var(--label); letter-spacing: .14em;
  text-transform: uppercase; color: var(--steel);
}
.field__label i { color: var(--signal); font-style: normal; }
.field input, .field textarea {
  font: 400 1rem/1.5 var(--display);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 12px 14px;
  width: 100%;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field input:focus, .field textarea:focus {
  border-color: var(--navy); background: #fff; outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--signal); }

.form__submit { margin-top: 6px; border: 0; cursor: pointer; font-family: var(--label); }
.form__note { margin: 14px 0 0; font: 500 .82rem/1.5 var(--label); color: var(--steel); min-height: 1.5em; }
.form__note.is-error { color: var(--signal); }

/* ============================================================= FOOTER ===== */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .78); padding-block: clamp(48px, 6vw, 80px); }
.footer .grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr) minmax(0, .8fr);
  gap: clamp(28px, 4vw, 64px);
}
.footer__brand img { width: 190px; margin-bottom: 20px; }
.footer__brand p { font-size: .95rem; line-height: 1.6; max-width: 38ch; margin: 0; }
.footer__nav { display: grid; gap: 10px; align-content: start; }
.footer__nav a {
  text-decoration: none;
  font: 600 .76rem/1 var(--label); letter-spacing: .1em; text-transform: uppercase;
  transition: color .2s var(--ease);
}
.footer__nav a:hover { color: #fff; }
.footer__coords { font-style: normal; font-size: .95rem; line-height: 1.75; }
.footer__coords a { text-decoration: none; border-bottom: 1px solid var(--rule-dark); }
.footer__coords a:hover { border-color: #fff; color: #fff; }
.footer__legal {
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: 8px clamp(20px, 3vw, 40px);
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--rule-dark);
  font: 600 .74rem/1.5 var(--label); letter-spacing: .06em;
  color: rgba(255, 255, 255, .5);
}

/* ============================================================ APPEL ======= */
/* Un rectangle posé au centre du bas de l'écran, révélé dès qu'on défile. */
.rail {
  position: fixed; left: 50%; bottom: clamp(16px, 2.6vw, 28px); z-index: 90;
  transform: translate(-50%, calc(100% + clamp(16px, 2.6vw, 28px)));
  opacity: 0; pointer-events: none;
  transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.rail.est-visible { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }

.rail__btn {
  display: block;
  padding: 17px clamp(26px, 3.4vw, 40px);
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font: 600 .76rem/1 var(--label);
  letter-spacing: .16em; text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 6px 26px rgba(0, 31, 70, .28);
  transition: background .2s var(--ease);
}
.rail__btn:hover { background: var(--navy-900); }


/* ==================================================== PAGES DOMAINES ====== */
/* En-tête des pages Bâtiment et Industrie : pas de photo, le sujet est en
   dessous. Le sommaire annonce les sections et le nombre de photos. */
.entete-page {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  padding-block: clamp(44px, 6vw, 88px) clamp(32px, 4vw, 56px);
}
.entete-page .eyebrow a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.entete-page .eyebrow a:hover { border-color: currentColor; }

.entete-page__titre {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 700;
  line-height: .98; letter-spacing: -.028em;
  text-transform: uppercase;
  margin-bottom: .4em;
}
.entete-page__lede {
  max-width: 54ch;
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  color: var(--steel);
  margin-bottom: 2em;
}

.entete-page__sommaire { display: flex; flex-wrap: wrap; gap: 10px; }
.entete-page__sommaire a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--rule);
  text-decoration: none;
  font: 600 .76rem/1 var(--label);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--steel);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.entete-page__sommaire a span {
  font-weight: 400; letter-spacing: 0; text-transform: none;
  color: var(--steel-200);
}
.entete-page__sommaire a:hover { border-color: var(--navy); color: var(--navy); }

/* ------------------------------------------------------------ rubrique ---- */
.rubrique { background: var(--white); padding-block: clamp(48px, 6vw, 96px); }
.rubrique--alt { background: var(--paper); }
.rubrique + .rubrique { border-top: 1px solid var(--rule); }

.rubrique .grid {
  display: grid;
  grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}
.rubrique__texte-col { position: sticky; top: 104px; }

.rubrique__titre {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.02; letter-spacing: -.02em;
  text-transform: uppercase;
  margin-bottom: 1em;
}
.rubrique__texte { color: #3c464f; font-size: .99rem; max-width: 34ch; }
.rubrique__texte-col .ticks { margin-bottom: 2em; }
.rubrique__texte-col .rubrique__texte + .btn { margin-top: 1em; }
.rubrique__compte {
  margin: 1.4em 0 0;
  font: 500 .74rem/1 var(--label);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--steel-200);
}

/* ------------------------------------------------------------- galerie ---- */
.galerie {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: clamp(6px, .8vw, 12px);
}
.vignette {
  display: block; width: 100%; padding: 0;
  border: 0; background: var(--navy-050);
  cursor: zoom-in;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.vignette img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.92);
  transition: transform .5s var(--ease), filter .3s var(--ease);
}
.vignette:hover img { transform: scale(1.07); filter: saturate(1); }

/* --------------------------------------------------------- visionneuse ---- */
.visionneuse[hidden] { display: none; }
.visionneuse {
  position: fixed; inset: 0; z-index: 200;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(8px, 2vw, 28px);
  padding: clamp(12px, 3vw, 40px);
  background: rgba(0, 16, 38, .93);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.visionneuse__cadre {
  margin: 0; min-width: 0;
  display: grid; justify-items: center; gap: 14px;
}
.visionneuse__cadre img {
  max-width: 100%; max-height: 78vh;
  object-fit: contain;
  background: var(--navy-900);
}
.visionneuse__cadre figcaption {
  font: 500 .76rem/1.4 var(--label);
  letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  text-align: center;
}

.visionneuse__nav, .visionneuse__fermer {
  background: none; border: 1px solid rgba(255, 255, 255, .28);
  color: #fff; cursor: pointer;
  width: clamp(40px, 5vw, 52px); height: clamp(40px, 5vw, 52px);
  font-size: 1.6rem; line-height: 1;
  display: grid; place-content: center;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.visionneuse__nav:hover, .visionneuse__fermer:hover {
  background: rgba(255, 255, 255, .14); border-color: #fff;
}
.visionneuse__fermer {
  position: absolute; top: clamp(12px, 3vw, 32px); right: clamp(12px, 3vw, 40px);
  z-index: 1;
}

@media (max-width: 900px) {
  .rubrique .grid { grid-template-columns: 1fr; }
  .rubrique__texte-col { position: static; }
  .galerie { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}

@media (max-width: 560px) {
  /* Les flèches passent sous la photo. Chaque bouton reçoit sa cellule
     explicitement : laissé au placement automatique, « précédent » partait
     dans une colonne implicite et se retrouvait à droite de « suivant ». */
  .visionneuse {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr auto;
  }
  .visionneuse__cadre    { grid-area: 1 / 1 / 2 / 3; }
  .visionneuse__nav--prec { grid-area: 2 / 1 / 3 / 2; justify-self: start; }
  .visionneuse__nav--suiv { grid-area: 2 / 2 / 3 / 3; justify-self: end; }
}

/* =========================================================== MOUVEMENT ===== */
.reveal { opacity: 0; transform: translateY(18px); }
.is-ready .reveal {
  animation: rise .85s var(--ease) forwards;
  animation-delay: calc(var(--d, 0) * 90ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.in-view > * { opacity: 0; transform: translateY(22px); }
.in-view.is-in > * {
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
  opacity: 1; transform: none;
}

/* ============================================================= ÉCRANS ===== */
@media (max-width: 1080px) {
  .topbar__nav, .topbar__aside { display: none; }
  .topbar__burger { display: flex; margin-left: auto; }
  .nameplate { grid-template-columns: repeat(2, 1fr); }
  .nameplate__cell:nth-child(3) { border-left: 0; padding-left: 0; }
  .nameplate__cell:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .section--presentation .grid { grid-template-columns: 1fr; row-gap: 44px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .shot--wide { grid-column: span 2; }
  .carte { grid-template-columns: 1fr; }
  .carte__colonne { align-self: start; }
  .carte__panel { position: static; }
  .carte__panel-list { max-height: none; overflow: visible; }
  .carte__vue { max-width: 460px; }
  .section--contact .grid { grid-template-columns: 1fr; }
  .footer .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  /* Le bouton flottant ne doit pas masquer la fin du pied de page. */
  .footer { padding-bottom: calc(clamp(48px, 6vw, 80px) + 60px); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  html { scroll-padding-top: 80px; }
  .topbar__inner, .topbar.is-stuck .topbar__inner { height: 72px; }
  .drawer { inset: 72px 0 0; }
  /* Téléphone : le titre prend toute la largeur, comme la référence. */
  .hero__intro { padding-block: clamp(34px, 9vw, 56px) clamp(28px, 7vw, 44px); }
  .hero__intro-inner { padding-inline: var(--pad); }
  .hero__intro-inner::before, .hero__intro-inner::after { display: none; }
  .hero__title { font-size: 11vw; line-height: 1.02; }
  .hero__title span + span { margin-top: 0; }
  .hero__kicker { font-size: .8rem; margin-bottom: 1.3em; }

  /* Le lien devient un bandeau plein, posé sur toute la largeur de la photo. */
  /* Le hero occupe l'écran : la photo absorbe toute la hauteur restante,
     plus de bande blanche sous elle au premier coup d'œil. */
  .hero {
    display: flex; flex-direction: column;
    min-height: calc(100vh - 72px);
    min-height: calc(100svh - 72px);
  }
  .hero__intro { flex: none; }
  .hero__media { flex: 1 1 auto; min-height: clamp(300px, 62vw, 420px); }
  .hero__media img { position: absolute; inset: 0; height: 100%; }
  .hero__overlay { z-index: 1; }

  .hero__overlay { padding-inline: 0; }
  .hero__about {
    width: 100%;
    height: 62px;
    background: var(--navy);
    color: #fff;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .hero__about:hover { background: var(--navy-900); color: #fff; }
  .nameplate { grid-template-columns: 1fr; }
  .nameplate__cell { border-left: 0; padding-left: 0; border-bottom: 1px solid var(--rule); }
  .nameplate__cell:last-child { border-bottom: 0; }
  /* Cellules empilées : plus de lignes à aligner, le sceau se centre sur son texte. */
  .nameplate__cell--cert dd { align-items: center; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: clamp(190px, 52vw, 260px); }
  .shot--wide { grid-column: span 1; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .fact, .rdv__coords li { grid-template-columns: 1fr; gap: 6px; }
  .footer .grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal, .in-view > * { opacity: 1; transform: none; }
}