/* ==========================================================================
   FAURE TECH — Feuille de style principale
   Direction artistique : papier chaud, encre marine, typographie display
   à interlettrage négatif, panneaux empilés et superpositions.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Jetons de design
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces */
  --paper:        #f2efea;
  --paper-warm:   #eae5dc;
  --paper-deep:   #e2dcd1;
  --white:        #ffffff;

  /* Encres */
  --ink:          #16202b;
  --ink-soft:     rgba(22, 32, 43, 0.62);
  --ink-faint:    rgba(22, 32, 43, 0.38);
  --line:         rgba(22, 32, 43, 0.14);
  --line-strong:  rgba(22, 32, 43, 0.26);

  /* Marine */
  --navy:         #0a2540;
  --navy-deep:    #06182a;
  --blue:         #1e6fd9;
  --blue-bright:  #3d8ef0;

  /* Accents métier */
  --c-froid:      #5ab4e8;
  --c-plomberie:  #2f8fd8;
  --c-elec:       #e9a93c;
  --c-reseaux:    #1e6fd9;
  --c-piscine:    #23b3a8;
  --c-fourniture: #93a4b2;
  --c-sanitaire:  #c58f6d;
  --c-incendie:   #d1553c;

  /* Sur fond sombre */
  --on-dark:        #f4f1ec;
  --on-dark-soft:   rgba(244, 241, 236, 0.66);
  --on-dark-faint:  rgba(244, 241, 236, 0.34);
  --on-dark-line:   rgba(244, 241, 236, 0.2);

  /* Typographie */
  --font-display: "Schibsted Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-ui:      "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Rythme */
  --gutter: clamp(1.25rem, 4.5vw, 4.5rem);
  --maxw: 96rem;
  --radius: 14px;
  --radius-lg: 34px;

  /* Mouvement */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0.02, 0.24, 1);
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   2. Réinitialisation
   -------------------------------------------------------------------------- */
*, *::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;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

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

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

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

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 999px;
  font-size: 0.8125rem;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); }

/* --------------------------------------------------------------------------
   3. Typographie
   -------------------------------------------------------------------------- */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.042em;
  text-wrap: balance;
}

.d-1 { font-size: clamp(2.9rem, 8.4vw, 8.4rem); }
.d-2 { font-size: clamp(2.4rem, 6.2vw, 5.9rem); }
.d-3 { font-size: clamp(1.95rem, 4.1vw, 3.6rem); letter-spacing: -0.035em; }
.d-4 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); letter-spacing: -0.03em; }

.lede {
  font-size: clamp(1.0625rem, 1.35vw, 1.375rem);
  line-height: 1.5;
  letter-spacing: -0.014em;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.prose p + p { margin-top: 1.1em; }
.prose { color: var(--ink-soft); font-size: 0.9375rem; line-height: 1.68; max-width: 62ch; }
.on-dark .prose,
.pole .prose,
.pagehead .prose { color: var(--on-dark-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  max-width: 100%;
  gap: 0.35em 0.6em;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}
.eyebrow--plain::before { display: none; }
/* Sur fond sombre l'oeil perd vite les petites capitales : on remonte
   légèrement le contraste par rapport au gris des surfaces claires. */
.on-dark .eyebrow,
.pole .eyebrow,
.pagehead .eyebrow { color: rgba(244, 241, 236, 0.56); }

.num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
}
.on-dark .num,
.pagehead .num { color: var(--on-dark-faint); }

/* --------------------------------------------------------------------------
   4. Structure
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.shell--narrow { max-width: 68rem; }

.section { position: relative; padding-block: clamp(5rem, 11vw, 10.5rem); }
.section--tight { padding-block: clamp(3.5rem, 7vw, 6.5rem); }

/* Le motif signature : la section remonte et se superpose à la précédente. */
.section--rise {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin-top: calc(var(--radius-lg) * -1);
  z-index: 2;
  box-shadow: 0 -34px 70px -34px rgba(6, 24, 42, 0.45);
}

.bg-paper     { background: var(--paper); }
.bg-warm      { background: var(--paper-warm); }
.bg-deep      { background: var(--paper-deep); }
.bg-navy      { background: var(--navy); }
.bg-navy-deep { background: var(--navy-deep); }

/* Contextes sombres : la section, les pôles empilés et les en-têtes de page
   partagent les mêmes règles de couleur de texte. */
.on-dark { color: var(--on-dark); }
.on-dark .lede,
.pole .lede,
.pagehead .lede { color: var(--on-dark-soft); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.on-dark .rule { background: var(--on-dark-line); }

.duo {
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .duo { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: start; }
  .duo--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .duo--wide-left { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
  .duo--center { align-items: center; }
}

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .eyebrow { margin-bottom: 1.25rem; }
.section-head h2 { max-width: 18ch; }
.section-head .lede { margin-top: 1.5rem; max-width: 52ch; }

/* --------------------------------------------------------------------------
   5. Boutons et liens
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--navy);
  --btn-fg: var(--paper);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.0625rem 1.75rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease), transform 0.4s var(--ease);
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--blue);
  transform: translateY(101%);
  transition: transform 0.55s var(--ease);
}
.btn:hover { color: var(--white); }
.btn:hover::after { transform: translateY(0); }
.btn:active { transform: scale(0.985); }
.btn__arrow { transition: transform 0.45s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn__wa { flex: none; transition: transform 0.45s var(--ease); }
.btn:hover .btn__wa { transform: scale(1.1); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn--ghost:hover { color: var(--white); }

.btn--light { --btn-bg: var(--paper); --btn-fg: var(--navy); }
.btn--light::after { background: var(--white); }
.btn--light:hover { color: var(--navy); }

.btn--outline-light { --btn-bg: transparent; --btn-fg: var(--on-dark); box-shadow: inset 0 0 0 1px var(--on-dark-line); }
.btn--outline-light:hover { color: var(--white); }

.link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding-bottom: 5px;
}
.link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}
.link:hover::after { transform: scaleX(1); transform-origin: left; }
.link svg { transition: transform 0.45s var(--ease); }
.link:hover svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   6. En-tête
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: var(--ink);
  transition: color 0.45s var(--ease), transform 0.5s var(--ease);
}
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper);
  opacity: 0;
  border-bottom: 1px solid var(--line);
  transition: opacity 0.4s var(--ease);
}
.header.is-solid::before { opacity: 1; }
.header.is-over-dark { color: var(--on-dark); }
.header.is-over-dark.is-solid::before { opacity: 0; }
.header.is-hidden { transform: translateY(-100%); }

.header__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }

/* Monogramme FT : trace vectoriel inline (voir le <symbol id="ft-mark"> des pages).
   Il herite de currentColor, donc encre marine sur papier et blanc casse sur fond
   sombre, sans fichier externe : le logo s'affiche meme hors serveur web. */
.brand__logo {
  display: block;
  flex: none;
  width: 55px;
  height: 30px;
  fill: currentColor;
}
.brand__word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.brand__word em { font-style: normal; font-weight: 400; }
.brand__tag {
  display: block;
  font-weight: 400;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-top: 3px;
}

.nav { display: none; }
@media (min-width: 1080px) { .nav { display: flex; align-items: center; gap: 2.25rem; } }
.nav a {
  position: relative;
  font-size: 0.8125rem;
  padding-block: 4px;
  opacity: 0.78;
  transition: opacity 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav a:hover { opacity: 1; }
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav a[aria-current="page"] { opacity: 1; }

.header__actions { display: flex; align-items: center; gap: 1rem; }

.header__tel { display: none; font-size: 0.8125rem; font-variant-numeric: tabular-nums; opacity: 0.78; }
@media (min-width: 1280px) { .header__tel { display: inline-flex; align-items: center; gap: 0.5rem; } }

.header__cta {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px currentColor;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
@media (min-width: 720px) { .header__cta { display: inline-flex; } }
.header__cta:hover { background: var(--ink); color: var(--paper); }
.header.is-over-dark .header__cta:hover { background: var(--on-dark); color: var(--navy); }

.burger { width: 44px; height: 44px; margin-right: -10px; display: grid; place-items: center; gap: 5px; grid-auto-rows: 1px; }
@media (min-width: 1080px) { .burger { display: none; } }
.burger span { width: 22px; height: 1.5px; background: currentColor; transition: transform 0.45s var(--ease), opacity 0.3s var(--ease); }
body.is-locked .burger span:first-child { transform: translateY(3.25px) rotate(45deg); }
body.is-locked .burger span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

.menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--navy-deep);
  color: var(--on-dark);
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.75s var(--ease-io);
  overflow-y: auto;
}
.menu.is-open { clip-path: inset(0 0 0 0); }
.menu__list { display: flex; flex-direction: column; }
.menu__list li { overflow: hidden; border-bottom: 1px solid var(--on-dark-line); }
.menu__list a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: clamp(0.6rem, 2vw, 1rem);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 7vw, 3rem);
  letter-spacing: -0.04em;
  transform: translateY(105%);
  transition: transform 0.7s var(--ease-io), color 0.3s var(--ease);
}
.menu.is-open .menu__list a { transform: translateY(0); }
.menu__list li:nth-child(1) a { transition-delay: 0.06s; }
.menu__list li:nth-child(2) a { transition-delay: 0.11s; }
.menu__list li:nth-child(3) a { transition-delay: 0.16s; }
.menu__list li:nth-child(4) a { transition-delay: 0.21s; }
.menu__list li:nth-child(5) a { transition-delay: 0.26s; }
.menu__list li:nth-child(6) a { transition-delay: 0.31s; }
.menu__list a:hover { color: var(--blue-bright); }
.menu__list .num {
  font-size: 0.625rem;
  min-width: 2rem;
  color: rgba(244, 241, 236, 0.45);
}

.menu__foot { display: grid; gap: 1rem; font-size: 0.875rem; color: var(--on-dark-soft); }
@media (min-width: 720px) { .menu__foot { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .menu__foot { grid-template-columns: repeat(4, 1fr); } }
.menu__wa { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--on-dark); }
.menu__wa svg { flex: none; }
.menu__wa span { border-bottom: 1px solid var(--on-dark-line); padding-bottom: 2px; }
.menu__mail { font-size: 0.8125rem; color: var(--on-dark-faint); }

/* --------------------------------------------------------------------------
   7. Héros
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
  background: var(--navy-deep);
  color: var(--on-dark);
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(30, 111, 217, 0.34), transparent 58%),
    radial-gradient(90% 70% at 8% 96%, rgba(35, 179, 168, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(6, 24, 42, 0.42) 0%, rgba(6, 24, 42, 0.58) 42%, rgba(6, 24, 42, 0.92) 82%, #06182a 100%);
}
.hero__art {
  position: absolute;
  inset: -5% 0;
  width: 100%;
  height: 110%;
  object-fit: cover;
  opacity: 0.82;
  filter: saturate(0.72) contrast(1.06) brightness(0.86);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero__title { max-width: 15ch; }
.hero__title .accent { color: var(--blue-bright); }

.hero__row { margin-top: clamp(2rem, 5vw, 3.25rem); display: grid; gap: 2rem; align-items: end; }
@media (min-width: 900px) { .hero__row { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); } }
.hero__lede { max-width: 46ch; color: var(--on-dark-soft); }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem 2.5rem;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--on-dark-line);
}
.hero__meta div { min-width: 8rem; }
.hero__meta dt { font-size: 0.625rem; letter-spacing: 0.17em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: 0.45rem; }
.hero__meta dd { font-family: var(--font-display); font-size: clamp(1.05rem, 1.5vw, 1.35rem); letter-spacing: -0.025em; }

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(2rem, 5vw, 3.5rem);
  z-index: 2;
  display: none;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.625rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}
@media (min-width: 1080px) { .hero__scroll { display: flex; } }
.hero__scroll i { display: block; width: 1px; height: 46px; background: linear-gradient(180deg, transparent, var(--on-dark-line)); position: relative; overflow: hidden; }
.hero__scroll i::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 16px;
  background: var(--blue-bright);
  animation: scrollTick 2.1s var(--ease-io) infinite;
}
@keyframes scrollTick {
  0% { transform: translateY(-18px); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: translateY(46px); opacity: 0; }
}

.marquee {
  position: relative;
  z-index: 3;
  overflow: hidden;
  padding-block: 1.05rem;
  background: var(--blue);
  color: var(--white);
  border-block: 1px solid rgba(255, 255, 255, 0.14);
}
.marquee__track { display: flex; width: max-content; gap: 3.5rem; animation: marquee 42s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span {
  display: inline-flex;
  align-items: center;
  gap: 3.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee span::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: 0.65; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   8. Pôles empilés (la mécanique signature)
   -------------------------------------------------------------------------- */
.poles { position: relative; background: var(--navy-deep); }
.poles__viewport { position: sticky; top: 0; height: 100svh; overflow: hidden; }

.pole {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-h) + 1rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  color: var(--on-dark);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s var(--ease), visibility 0s linear 0.55s;
}
.pole.is-active { opacity: 1; visibility: visible; transition-delay: 0s, 0s; }

.pole__media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.pole__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(178deg,
      rgba(6, 24, 42, 0.62) 0%,
      rgba(6, 24, 42, 0.44) 30%,
      rgba(6, 24, 42, 0.88) 74%,
      rgba(6, 24, 42, 0.97) 100%),
    linear-gradient(96deg, rgba(6, 24, 42, 0.55) 0%, transparent 52%);
}
.pole__media-inner { position: absolute; inset: -6% 0; transform: scale(1.06); transition: transform 1.4s var(--ease); }
.pole.is-active .pole__media-inner { transform: scale(1); }
.pole__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(95% 78% at 74% 22%, var(--tone-a), transparent 62%),
    linear-gradient(160deg, var(--tone-b) 0%, #06182a 76%);
}
.pole__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  filter: saturate(0.66) contrast(1.05) brightness(0.82);
}
/* Le halo de couleur du métier repasse par-dessus la photo, en teinte seulement. */
.pole__tint {
  position: absolute;
  inset: 0;
  mix-blend-mode: soft-light;
  opacity: 0.62;
  background: radial-gradient(96% 80% at 72% 24%, var(--tone-c), transparent 66%);
}

.pole__body { position: relative; z-index: 2; width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.pole__head { display: flex; align-items: center; gap: 1rem; margin-bottom: clamp(1.25rem, 3vw, 2rem); }
.pole__index { font-family: var(--font-display); font-size: 0.8125rem; letter-spacing: 0.05em; color: var(--tone-c); }
.pole__label { font-size: 0.625rem; letter-spacing: 0.19em; text-transform: uppercase; color: var(--on-dark-soft); }
.pole__head hr { flex: 1; height: 1px; border: 0; background: var(--on-dark-line); }

.stack-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.35rem, 6.4vw, 6rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
  max-width: 16ch;
}
.stack-title .w { display: block; overflow: hidden; }
.stack-title .w > span { display: block; transform: translateY(105%); transition: transform 0.85s var(--ease-io); }
.pole.is-active .stack-title .w > span { transform: translateY(0); }
.pole.is-active .stack-title .w:nth-child(2) > span { transition-delay: 0.05s; }
.pole.is-active .stack-title .w:nth-child(3) > span { transition-delay: 0.1s; }
.pole.is-active .stack-title .w:nth-child(4) > span { transition-delay: 0.15s; }
.pole.is-active .stack-title .w:nth-child(5) > span { transition-delay: 0.2s; }

.pole__foot { margin-top: clamp(1.5rem, 4vw, 2.5rem); display: grid; gap: 1.75rem; align-items: end; }
@media (min-width: 900px) { .pole__foot { grid-template-columns: minmax(0, 1fr) minmax(0, 30rem); gap: 3rem; } }

.pole__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pole__tags li {
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--on-dark-soft);
  box-shadow: inset 0 0 0 1px var(--on-dark-line);
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.04);
}

/* Carte flottante en superposition */
.float-card {
  position: absolute;
  z-index: 10;
  right: var(--gutter);
  top: 21%;
  width: min(19.5rem, 62vw);
  padding: 1.35rem 1.45rem;
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 26px 60px -26px rgba(0, 0, 0, 0.6);
  transform: translateY(22px) rotate(-1.1deg);
  opacity: 0;
  transition: transform 0.85s var(--ease-io) 0.18s, opacity 0.7s var(--ease) 0.18s;
}
.pole.is-active .float-card { transform: translateY(0) rotate(-1.1deg); opacity: 1; }
@media (max-width: 899px) { .float-card { display: none; } }

.float-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.float-card__kicker { font-size: 0.5625rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-faint); }
.float-card__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--tone-c, var(--blue)); }
.float-card h4 { font-family: var(--font-display); font-size: 1.0625rem; letter-spacing: -0.028em; line-height: 1.15; margin-bottom: 0.75rem; }
.float-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; font-size: 0.75rem; }
.float-card dt { color: var(--ink-faint); }
.float-card dd { text-align: right; font-variant-numeric: tabular-nums; }
.float-card .link { margin-top: 1rem; font-size: 0.625rem; }

.poles__rail {
  position: absolute;
  left: var(--gutter);
  top: calc(var(--header-h) + 3.25rem);
  z-index: 5;
  display: none;
  flex-direction: column;
  gap: 0.9rem;
}
@media (min-width: 1280px) { .poles__rail { display: flex; } }
.poles__rail button {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--on-dark-faint);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.4s var(--ease);
}
.poles__rail button i { display: block; width: 22px; height: 1px; background: currentColor; transition: width 0.5s var(--ease); }
.poles__rail button:hover { color: var(--on-dark-soft); }
.poles__rail button.is-on { color: var(--on-dark); }
.poles__rail button.is-on i { width: 44px; }
.poles__rail span { opacity: 0; transform: translateX(-4px); transition: 0.4s var(--ease); }
.poles__rail button.is-on span, .poles__rail button:hover span { opacity: 1; transform: none; }

/* Repli sans script */
.no-js .poles__viewport { position: static; height: auto; }
.no-js .pole { position: relative; inset: auto; min-height: 88svh; opacity: 1; visibility: visible; }
.no-js .stack-title .w > span { transform: none; }
.no-js .float-card { opacity: 1; transform: rotate(-1.1deg); }

/* --------------------------------------------------------------------------
   9. Manifeste
   -------------------------------------------------------------------------- */
.manifesto__text {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 3.15rem);
  line-height: 1.14;
  letter-spacing: -0.038em;
  max-width: 22ch;
}
.reveal-word { transition: color 0.5s var(--ease); }
.manifesto__text .reveal-word { color: var(--ink-faint); }
.manifesto__text .reveal-word.is-lit { color: var(--ink); }
.manifesto__text .accent.is-lit { color: var(--blue); }

.manifesto__aside { display: grid; gap: 1.75rem; align-content: start; }
@media (min-width: 900px) { .manifesto__aside { padding-top: 0.6rem; } }

.stat { border-top: 1px solid var(--line); padding-top: 1rem; }
.on-dark .stat { border-color: var(--on-dark-line); }
.stat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 3.15rem);
  letter-spacing: -0.045em;
  line-height: 1;
}
.stat span { display: block; margin-top: 0.5rem; font-size: 0.8125rem; color: var(--ink-soft); max-width: 32ch; }
.on-dark .stat span { color: var(--on-dark-soft); }

/* --------------------------------------------------------------------------
   10. Processus en 5 étapes
   -------------------------------------------------------------------------- */
.process__grid { display: grid; gap: 0; margin-top: clamp(2.5rem, 6vw, 4.5rem); border-top: 1px solid var(--on-dark-line); }
@media (min-width: 760px) { .process__grid { grid-template-columns: repeat(5, 1fr); } }

.step { position: relative; padding: 1.75rem 1.5rem 2rem 0; border-bottom: 1px solid var(--on-dark-line); }
@media (min-width: 760px) {
  .step { border-bottom: 0; padding: 2rem 1.5rem 0 0; }
  .step + .step { padding-left: 1.5rem; box-shadow: inset 1px 0 0 var(--on-dark-line); }
}
.step__n { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.06em; color: var(--blue-bright); }
.step h3 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.1rem, 1.7vw, 1.4rem); letter-spacing: -0.03em; margin: 1.15rem 0 0.6rem; }
.step p { font-size: 0.8125rem; line-height: 1.55; color: var(--on-dark-soft); }
.step::after { content: ""; position: absolute; top: -1px; left: 0; width: 0; height: 2px; background: var(--blue-bright); transition: width 0.9s var(--ease); }
.step.is-in::after { width: 100%; }

/* --------------------------------------------------------------------------
   11. Grilles de cartes
   -------------------------------------------------------------------------- */
.cards { display: grid; gap: 1px; margin-top: clamp(2.5rem, 5vw, 4rem); background: var(--line); border-block: 1px solid var(--line); }
@media (min-width: 640px) { .cards--2, .cards--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .cards--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .cards--4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  position: relative;
  background: var(--paper);
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 15rem;
  overflow: hidden;
  transition: background 0.5s var(--ease);
}
.bg-warm .card { background: var(--paper-warm); }
.bg-deep .card { background: var(--paper-deep); }
.card:hover { background: var(--white); }
.card__icon { width: 30px; height: 30px; color: var(--card-tone, var(--blue)); }
.card h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.3rem; letter-spacing: -0.032em; line-height: 1.12; margin-top: auto; }
.card p { font-size: 0.8125rem; color: var(--ink-soft); }
.card ul { display: grid; gap: 0.3rem; font-size: 0.8125rem; color: var(--ink-soft); }
.card ul li { display: flex; gap: 0.55rem; }
.card ul li::before { content: ""; margin-top: 0.62em; width: 4px; height: 4px; flex: none; border-radius: 50%; background: var(--card-tone, var(--blue)); }
.card__n { position: absolute; top: clamp(1.5rem, 2.5vw, 2.25rem); right: clamp(1.5rem, 2.5vw, 2.25rem); font-family: var(--font-display); font-size: 0.6875rem; color: var(--ink-faint); }
.card--link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--card-tone, var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.card--link:hover::after { transform: scaleX(1); }

.checklist { display: grid; gap: 0.85rem; }
@media (min-width: 720px) { .checklist--2 { grid-template-columns: repeat(2, 1fr); gap: 0.85rem 2.5rem; } }
.checklist li { display: flex; gap: 0.9rem; padding-bottom: 0.85rem; border-bottom: 1px solid var(--line); font-size: 0.9375rem; color: var(--ink-soft); }
.on-dark .checklist li { border-color: var(--on-dark-line); color: var(--on-dark-soft); }
.checklist svg { flex: none; width: 17px; height: 17px; margin-top: 3px; color: var(--blue); }
.on-dark .checklist svg { color: var(--blue-bright); }

/* Liste d'informations clé/valeur */
.info { display: grid; gap: 1.35rem; }
.info > div { border-top: 1px solid var(--line); padding-top: 0.9rem; }
.on-dark .info > div { border-color: var(--on-dark-line); }
.info dt { font-size: 0.625rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.5rem; }
.on-dark .info dt { color: var(--on-dark-faint); }
.info dd { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: -0.028em; }
.info dd small { display: block; font-family: var(--font-ui); font-size: 0.8125rem; letter-spacing: 0; color: var(--ink-soft); margin-top: 0.3rem; }
.info dd.info__mail { font-family: var(--font-ui); font-size: 0.875rem; letter-spacing: 0; }
.on-dark .info dd small { color: var(--on-dark-soft); }

/* --------------------------------------------------------------------------
   12. Réalisations
   -------------------------------------------------------------------------- */
.works { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); margin-top: clamp(2.5rem, 5vw, 4rem); }
@media (min-width: 700px) { .works { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .works { grid-template-columns: repeat(3, 1fr); } }

.work { position: relative; display: block; }
.work__frame { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; background: var(--navy); }
.work__frame img { position: absolute; inset: 0; width: 100%; height: 100%; transition: transform 1s var(--ease); }
.work:hover .work__frame img { transform: scale(1.05); }
.work__tag {
  position: absolute;
  left: 12px; bottom: 12px;
  z-index: 2;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(6, 24, 42, 0.62);
  backdrop-filter: blur(8px);
  color: var(--on-dark);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.work h3 { font-family: var(--font-display); font-weight: 400; font-size: 1.2rem; letter-spacing: -0.03em; margin-top: 1rem; }
.work p { font-size: 0.8125rem; color: var(--ink-soft); margin-top: 0.35rem; }

/* Cadre média réutilisable (schéma technique ou photo de chantier) */
.media-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--navy), var(--navy-deep));
}
.media-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, transparent 42%, rgba(6, 24, 42, 0.62) 100%);
}
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame figcaption {
  position: absolute;
  left: 14px; bottom: 12px;
  z-index: 2;
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

/* --------------------------------------------------------------------------
   13. Produits phares
   -------------------------------------------------------------------------- */
.product { display: grid; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding-block: clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--line); }
@media (min-width: 860px) { .product { grid-template-columns: minmax(0, 22rem) minmax(0, 1fr); } }
.product__visual { aspect-ratio: 4 / 3; border-radius: var(--radius); background: linear-gradient(150deg, var(--navy), var(--navy-deep)); position: relative; overflow: hidden; }
.product__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.product:hover .product__visual img { transform: scale(1.04); }
.product h3 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.45rem, 2.4vw, 2.1rem); letter-spacing: -0.035em; line-height: 1.08; }
.spec { display: grid; gap: 0; margin-top: 1.5rem; border-top: 1px solid var(--line); }
@media (min-width: 620px) { .spec { grid-template-columns: repeat(2, 1fr); column-gap: 2.5rem; } }
.spec div { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-block: 0.7rem; border-bottom: 1px solid var(--line); font-size: 0.8125rem; }
.spec dt { color: var(--ink-faint); }
.spec dd { font-variant-numeric: tabular-nums; font-weight: 500; }

/* --------------------------------------------------------------------------
   14. Appel à l'action
   -------------------------------------------------------------------------- */
.cta { position: relative; overflow: hidden; }
.cta__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.34; filter: saturate(0.5) brightness(0.8); }
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(110% 90% at 20% 0%, rgba(30, 111, 217, 0.28), transparent 60%);
  pointer-events: none;
}
.cta .shell { position: relative; z-index: 2; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: clamp(1.75rem, 3.5vw, 2.5rem); }

/* --------------------------------------------------------------------------
   15. Bulle WhatsApp
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--on-dark);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: 0 12px 34px rgba(6, 24, 42, 0.3);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), background 0.4s var(--ease);
}
.wa-float svg { flex: none; }
.wa-float.is-in { opacity: 1; transform: none; pointer-events: auto; }
.wa-float:hover { background: var(--blue); }
body.is-locked .wa-float { opacity: 0; transform: translateY(14px); pointer-events: none; }
@media (max-width: 640px) {
  .wa-float { padding: 0.95rem; }
  .wa-float span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}
@media (prefers-reduced-motion: reduce) {
  .wa-float { transition: opacity 0.2s linear; transform: none; }
  .wa-float.is-in { transform: none; }
}

/* --------------------------------------------------------------------------
   16. Pied de page
   -------------------------------------------------------------------------- */
.footer { background: var(--navy-deep); color: var(--on-dark); padding-top: clamp(3.5rem, 7vw, 6rem); }
.footer__top { display: grid; gap: clamp(2.5rem, 5vw, 4rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
@media (min-width: 960px) { .footer__top { grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr)); } }

.footer__brand .brand { gap: 0.85rem; }
.footer__brand .brand__logo { width: 73px; height: 40px; }
.footer__brand .brand__word { font-size: 1.35rem; }
.footer__pitch { margin-top: 1.25rem; max-width: 34ch; font-size: 0.875rem; color: var(--on-dark-soft); }
.footer h4 { font-size: 0.625rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-faint); margin-bottom: 1.25rem; }
.footer li + li { margin-top: 0.7rem; }
.footer li a, .footer address a { font-size: 0.875rem; color: var(--on-dark-soft); transition: color 0.3s var(--ease); }
.footer li a:hover, .footer address a:hover { color: var(--on-dark); }
.footer address { font-style: normal; display: grid; gap: 0.7rem; font-size: 0.875rem; color: var(--on-dark-soft); }
.footer address a.footer__wa { display: inline-flex; align-items: center; gap: 0.5rem; justify-self: start; color: var(--on-dark); }
.footer address a.footer__wa svg { flex: none; }
.footer address a.footer__wa span { border-bottom: 1px solid var(--on-dark-line); padding-bottom: 2px; }
.footer address a.footer__wa:hover span { border-bottom-color: var(--on-dark); }
.footer address a.footer__mail { font-size: 0.8125rem; color: var(--on-dark-faint); }

.footer__socials { display: flex; gap: 0.6rem; margin-top: 1.75rem; }
.footer__socials a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--on-dark-line); color: var(--on-dark-soft); transition: background 0.35s var(--ease), color 0.35s var(--ease); }
.footer__socials a:hover { background: var(--blue); color: var(--white); }
.footer__socials svg { width: 15px; height: 15px; }

.footer__wordmark { border-top: 1px solid var(--on-dark-line); padding-top: clamp(1.5rem, 3vw, 2.5rem); overflow: hidden; }
.footer__wordmark span {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.2rem, 15.5vw, 15rem);
  line-height: 0.82;
  letter-spacing: -0.055em;
  color: transparent;
  -webkit-text-stroke: 1px var(--on-dark-line);
  white-space: nowrap;
}

.footer__legal {
  /* Réserve de place pour la bulle WhatsApp flottante (coin bas-droit). */
  --wa-safe: 4.75rem;
  border-top: 1px solid var(--on-dark-line);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-block: 1.5rem calc(1.75rem + var(--wa-safe));
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.9rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--on-dark-soft);
}
.footer__made {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}
.footer__made a {
  color: var(--on-dark);
  letter-spacing: 0.12em;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--on-dark-line);
  transition: text-decoration-color 0.3s ease;
}
.footer__made a:hover { text-decoration-color: currentColor; }

/* À partir du desktop : copyright à gauche, mention juste après lui dans la
   moitié gauche, et toute la place restante (colonne 3) laissée à la bulle
   WhatsApp. Les deux premières colonnes sont en `auto` : la mention suit la
   largeur réelle du copyright, sans valeur en dur, à toutes les résolutions. */
@media (min-width: 1024px) {
  .footer__legal {
    --wa-safe: 0rem;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
    column-gap: clamp(2rem, 3.5vw, 3.5rem);
    justify-items: start;
    text-align: left;
  }
  .footer__legal > p { grid-row: 1; }
  .footer__legal > p:first-child { grid-column: 1; }
  .footer__made { grid-column: 2; justify-self: start; text-align: left; }
}

/* --------------------------------------------------------------------------
   17. En-tête de page intérieure
   -------------------------------------------------------------------------- */
.pagehead {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(4rem, 9vw, 8rem));
  padding-bottom: clamp(3rem, 7vw, 6rem);
  background: var(--navy-deep);
  color: var(--on-dark);
  overflow: hidden;
}
.pagehead__bg { position: absolute; inset: 0; z-index: 0; }
.pagehead__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(100% 80% at 76% 8%, var(--tone-a), transparent 60%),
    linear-gradient(180deg, rgba(6, 24, 42, 0.5) 0%, rgba(6, 24, 42, 0.72) 46%, #06182a 92%);
}
.pagehead__bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.62; filter: saturate(0.6) contrast(1.04) brightness(0.8); }
.pagehead .shell { position: relative; z-index: 2; }
.pagehead__title { max-width: 15ch; margin-top: 1.5rem; }
.pagehead__lede { max-width: 50ch; margin-top: 1.5rem; }

.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-faint); }
.crumbs a:hover { color: var(--on-dark); }
.crumbs i { opacity: 0.45; font-style: normal; }

/* Ancres de sous-navigation */
/* Barre d'ancres sous l'en-tête de page. Volontairement non collante :
   une bande claire traversant les sections sombres se lirait comme un défaut. */
.subnav { position: relative; z-index: 3; background: var(--paper); border-bottom: 1px solid var(--line); }
.subnav__inner { display: flex; gap: 1.75rem; overflow-x: auto; padding-block: 1rem; scrollbar-width: none; }
.subnav__inner::-webkit-scrollbar { display: none; }
.subnav a { flex: none; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); transition: color 0.3s var(--ease); }
.subnav a:hover { color: var(--ink); }

/* --------------------------------------------------------------------------
   18. Animations à l'apparition
   -------------------------------------------------------------------------- */
[data-anim] { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease-io); }
[data-anim].is-in { opacity: 1; transform: none; }
[data-anim="fade"] { transform: none; }
[data-anim-delay="1"] { transition-delay: 0.08s; }
[data-anim-delay="2"] { transition-delay: 0.16s; }
[data-anim-delay="3"] { transition-delay: 0.24s; }
[data-anim-delay="4"] { transition-delay: 0.32s; }
[data-anim-delay="5"] { transition-delay: 0.4s; }
.no-js [data-anim] { opacity: 1; transform: none; }

.line-in { display: block; overflow: hidden; }
.line-in > span { display: block; transform: translateY(105%); transition: transform 1s var(--ease-io); }
.line-in.is-in > span { transform: translateY(0); }
.no-js .line-in > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-anim] { opacity: 1; transform: none; }
  .line-in > span, .stack-title .w > span { transform: none; }
  .float-card { opacity: 1; transform: rotate(-1.1deg); }
}

/* --------------------------------------------------------------------------
   19. Composants photo (édition « images »)
   -------------------------------------------------------------------------- */

/* Volet de révélation : l'image se dévoile derrière un rideau qui remonte. */
.ph {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--navy-deep);
}
.ph > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 1.5s var(--ease);
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--paper);
  transform-origin: bottom;
  transition: transform 1.1s var(--ease-io);
}
.bg-warm .ph::before { background: var(--paper-warm); }
.bg-deep .ph::before { background: var(--paper-deep); }
.on-dark .ph::before { background: var(--navy-deep); }
.ph.is-in > img { transform: scale(1); }
.ph.is-in::before { transform: scaleY(0); }
.no-js .ph > img { transform: none; }
.no-js .ph::before { display: none; }

/* Bandeau photo pleine largeur entre deux sections. */
.band {
  position: relative;
  height: clamp(15rem, 42vw, 30rem);
  overflow: hidden;
  background: var(--navy-deep);
}
.band > img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; filter: saturate(0.62) brightness(0.82); }
.band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 42, 0.55), rgba(6, 24, 42, 0.25) 50%, rgba(6, 24, 42, 0.7));
}
.band__caption {
  position: absolute;
  z-index: 2;
  left: var(--gutter);
  bottom: clamp(1.25rem, 3vw, 2.25rem);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.625rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}
.band__caption::before { content: ""; width: 34px; height: 1px; background: var(--blue-bright); }

/* Vignette photo pour une carte de service. */
.card__photo {
  position: relative;
  margin: calc(-1 * clamp(1.5rem, 2.5vw, 2.25rem)) calc(-1 * clamp(1.5rem, 2.5vw, 2.25rem)) clamp(1.25rem, 2vw, 1.75rem);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--navy-deep);
}
.card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.card:hover .card__photo img { transform: scale(1.05); }

/* Crédit photo discret. */
.credit {
  font-size: 0.6875rem;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.on-dark .credit { color: var(--on-dark-faint); }

/* --------------------------------------------------------------------------
   20. Densité mobile — respirations resserrées, textes secondaires masqués
   -------------------------------------------------------------------------- */
@media (max-width: 719px) {
  body { font-size: 15px; }
  .lede { font-size: 1rem; line-height: 1.5; }
  .section { padding-block: clamp(3.25rem, 12vw, 5rem); }
  .section--tight { padding-block: clamp(2.75rem, 9vw, 4rem); }
  .section-head { margin-bottom: 2rem; }
  .hero__meta { gap: 1.25rem 1.75rem; }
  .hero__meta div:nth-child(n + 3) { display: none; }
  .pole__tags li:nth-child(n + 4) { display: none; }
  .marquee span { font-size: 0.6875rem; }
  .footer__pitch { display: none; }
  .band { height: 14rem; }
}

/* Carte illustree : le numero passe sur la photo. */
/* Le retrait negatif de .card__photo annule deja le padding : on le conserve. */
.card--photo .card__n {
  top: clamp(0.9rem, 1.6vw, 1.25rem);
  right: clamp(0.9rem, 1.6vw, 1.25rem);
  z-index: 2;
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 1px 6px rgba(6, 24, 42, 0.6);
}
.card--photo h3 { margin-top: 0; }

/* Bandeau suivi d'une section qui remonte : la legende passe au-dessus du recouvrement. */
.band--rise { padding-bottom: 0; }
.band--rise .band__caption { bottom: calc(var(--radius-lg) + clamp(1rem, 2vw, 1.5rem)); }

/* --------------------------------------------------------------------------
   21. Catalogue des fournitures — plaque de gammes et rayons
   -------------------------------------------------------------------------- */
.catalog__lede { max-width: 52ch; }

/* La plaque : rectangle arrondi, pastilles qui passent a la ligne toutes
   seules. Les huit libelles restent lisibles sur tous les ecrans — c'est la
   plaque elle-meme qui dit l'etendue de l'offre, avant le moindre clic. */
.segment {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: clamp(2rem, 4.5vw, 3.25rem);
  padding: 0.4rem;
  border-radius: var(--radius-lg);
  background: rgba(244, 241, 236, 0.05);
  box-shadow: inset 0 0 0 1px var(--on-dark-line);
}

.segment__pill {
  flex: 1 1 45%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 0.9rem;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--on-dark-soft);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
@media (min-width: 640px) { .segment__pill { flex-basis: 30%; font-size: 0.72rem; padding-inline: 1.15rem; } }
@media (min-width: 900px) { .segment__pill { flex-basis: 22%; font-size: 0.75rem; padding: 0.95rem 1.25rem; } }

/* Le point de couleur identifie la gamme meme quand la pastille dort. */
.segment__pill::before {
  content: "";
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--cat);
  opacity: 0.5;
  transition: opacity 0.4s var(--ease);
}
.segment__pill:hover { color: var(--on-dark); }
.segment__pill:hover::before { opacity: 0.85; }
.segment__pill.is-on { background: var(--paper); color: var(--navy); }
.segment__pill.is-on::before { opacity: 1; }
.segment__pill:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 3px; }

/* Les panneaux se substituent l'un a l'autre : aucun data-anim ici, sinon les
   cartes masquees ne seraient jamais observees et resteraient invisibles. */
.catalog__panel { display: none; }
.catalog__panel.is-on { display: block; animation: catalogIn 0.55s var(--ease) both; }
@keyframes catalogIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .catalog__panel.is-on { animation: none; }
}

/* Le rayon : quatre cartes, toujours quatre, pour que la hauteur du bloc ne
   bouge pas d'une gamme a l'autre. */
.shelf {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.5rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}
@media (min-width: 900px) { .shelf { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* La place du badge de marque est reservee sur toutes les cartes, y compris
   celles qui n'en portent pas : sans cela le bloc changerait de hauteur d'une
   gamme a l'autre et la page sauterait au changement d'onglet. */
.shelf__card { position: relative; display: flex; flex-direction: column; padding-bottom: 2.1rem; }

/* Emplacement photo : la vraie image viendra remplacer ce bloc. Le pictogramme
   et le brief en bas disent quelle photo est attendue. */
.shelf__slot {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-deep);
  box-shadow: inset 0 0 0 1px var(--on-dark-line);
}
.shelf__slot::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cat);
  opacity: 0.14;
}
.shelf__slot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(244, 241, 236, 0.05) 0 1px, transparent 1px 10px);
}
.shelf__ico {
  position: relative;
  z-index: 1;
  width: 34%;
  max-width: 68px;
  color: var(--cat);
  transition: transform 0.7s var(--ease);
}
.shelf__card:hover .shelf__ico { transform: translateY(-4px) scale(1.06); }

/* Emplacement rempli par une vraie photo produit : l'image couvre le cadre,
   la teinte de gamme et la trame restent dessous. */
.shelf__img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.shelf__card:hover .shelf__img { transform: scale(1.04); }
/* Sur une photo, le numero a besoin d'un fond pour rester lisible. */
.shelf__slot--photo .shelf__n {
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(6, 24, 42, 0.6);
  color: var(--on-dark-soft, #cfd9e2);
}

.shelf__n {
  position: absolute;
  z-index: 2;
  top: 0.7rem;
  right: 0.85rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--on-dark-faint);
}
.shelf__brief {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.5rem 0.75rem;
  border-top: 1px solid var(--on-dark-line);
  background: rgba(6, 24, 42, 0.55);
  font-size: 0.5625rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shelf__card h3 {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.shelf__spec {
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--on-dark-soft);
}
.shelf__brand {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--on-dark-line);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

/* L'appel au devis : la reponse a tout ce qui n'est pas sur la page. */
.shelf__ask {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--on-dark-line);
}
.shelf__ask p {
  max-width: 46ch;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  letter-spacing: -0.02em;
  color: var(--on-dark);
}
.shelf__ask small {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  letter-spacing: 0;
  line-height: 1.5;
  color: var(--on-dark-soft);
}

@media (max-width: 639px) {
  .shelf__brief { display: none; }
  .shelf__ask { display: block; }
  .shelf__ask .btn { margin-top: 1.5rem; }
}