/* ==========================================================================
   IRONWOLD INTERNATIONAL LLC — feuille de style unique
   Direction artistique : industriel premium. Acier, chantier, logistique.
   Angles vifs (aucun arrondi), typographie large et technique,
   anthracite / bleu nuit + orange securite.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Polices auto-hebergees (aucun appel tiers)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-1.woff2') format('woff2');
  font-weight: 400 900;
  font-stretch: 75% 125%;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-0-ext.woff2') format('woff2');
  font-weight: 400 900;
  font-stretch: 75% 125%;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/plexmono-1.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/plexmono-3.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------------------
   2. Jetons de design
   -------------------------------------------------------------------------- */
:root {
  /* Palette */
  --ink: #06090d;
  --night: #0b1119;
  --steel: #111b26;
  --steel-2: #16222f;
  --steel-3: #1d2c3c;
  --edge: rgba(255, 255, 255, .09);
  --edge-2: rgba(255, 255, 255, .16);
  --fog: #90a2b5;
  --fog-2: #6d7f92;
  --paper: #e9eff5;
  --signal: #ff6a1a;
  --signal-2: #ff8642;
  --amber: #ffb020;
  --bone: #edeae4;
  --bone-2: #dedad2;
  --bone-ink: #131a22;

  /* Typographie */
  --f-display: 'Archivo', 'Arial Black', system-ui, sans-serif;
  --f-body: 'Archivo', system-ui, -apple-system, sans-serif;
  --f-mono: 'Plex Mono', ui-monospace, 'Courier New', monospace;

  /* Rythme */
  --shell: 1240px;
  --gut: clamp(1.25rem, 4vw, 3rem);
  --sect: clamp(4.5rem, 9vw, 8.5rem);

  /* Mouvement */
  --ease: cubic-bezier(.22, .68, .32, 1);
  --fast: .22s;
  --slow: .6s;
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--night);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.075rem);
  line-height: 1.65;
  font-variation-settings: 'wdth' 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grain : texture fine sur toute la page, sans cout reseau */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

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

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

/* Accessibilite : lien d'evitement */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--signal);
  color: #fff;
  padding: .75rem 1.25rem;
  font-family: var(--f-mono);
  font-size: .8rem;
  letter-spacing: .1em;
}
.skip:focus { left: 0; }

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

/* --------------------------------------------------------------------------
   4. Primitives de mise en page
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.shell--wide { max-width: 1480px; }

.section { padding-block: var(--sect); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section--bone { background: var(--bone); color: var(--bone-ink); }
.section--steel { background: var(--steel); }
.section--ink { background: var(--ink); }

/* Filet de separation avec pastille orange decalee */
.rule {
  height: 1px;
  background: var(--edge);
  position: relative;
}
.rule::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 72px; height: 3px;
  margin-top: -1px;
  background: var(--signal);
}

/* Bande chevron « signalisation industrielle » */
.hazard {
  height: 8px;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--signal) 0 12px,
    transparent 12px 24px
  );
  opacity: .85;
}
.hazard--thin { height: 5px; opacity: .55; }

/* --------------------------------------------------------------------------
   5. Typographie
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.015em;
  text-wrap: balance;
  margin: 0;
}

.t-hero {
  font-size: clamp(2.6rem, 1.2rem + 6.2vw, 6.4rem);
  font-variation-settings: 'wdth' 118;
  text-transform: uppercase;
  line-height: .94;
  letter-spacing: -.02em;
}
.t-xl {
  font-size: clamp(2rem, 1.1rem + 3.4vw, 3.6rem);
  font-variation-settings: 'wdth' 114;
  text-transform: uppercase;
}
.t-lg {
  font-size: clamp(1.5rem, 1.1rem + 1.5vw, 2.1rem);
  font-variation-settings: 'wdth' 110;
}
.t-md {
  font-size: clamp(1.15rem, 1.02rem + .5vw, 1.4rem);
  font-variation-settings: 'wdth' 106;
  font-weight: 700;
  line-height: 1.22;
}

.lead {
  font-size: clamp(1.075rem, 1rem + .45vw, 1.3rem);
  line-height: 1.62;
  color: var(--fog);
  max-width: 62ch;
}
.section--bone .lead { color: #44515f; }

/* Etiquette technique monospace */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1.35rem;
}
.kicker::before {
  content: '';
  width: 30px; height: 2px;
  background: var(--signal);
  flex: none;
}
.kicker--muted { color: var(--fog-2); }
.kicker--muted::before { background: var(--fog-2); }

.muted { color: var(--fog); }
.section--bone .muted { color: #4b5866; }

/* En-tete de section : indice mono + titre */
.s-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.s-head__idx {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--fog-2);
  display: block;
  margin-bottom: .9rem;
}
.s-head__idx b { color: var(--signal); font-weight: 600; }

/* --------------------------------------------------------------------------
   6. Boutons
   -------------------------------------------------------------------------- */
/* Texte sombre sur l'orange : contraste 6,6:1 (AA) et code visuel
   de la signalisation industrielle. Le blanc sur cet orange ne
   plafonnerait qu'a 2,86:1. */
.btn {
  --btn-bg: var(--signal);
  --btn-fg: var(--ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: 1.02rem 1.9rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--f-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  border: 0;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  /* Coin coupe : plaque d'acier decoupee */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%);
  transition: color var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.btn span { position: relative; z-index: 2; }
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform .38s var(--ease);
}
.btn:hover { color: var(--paper); transform: translateY(-2px); }
.btn:hover::before { transform: translateY(0); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  box-shadow: inset 0 0 0 1px var(--edge-2);
}
.btn--ghost::before { background: var(--signal); }
.btn--ghost:hover { color: var(--ink); }

.btn--dark {
  --btn-bg: var(--bone-ink);
  --btn-fg: var(--bone);
}
.btn--dark::before { background: var(--signal); }
.btn--dark:hover { color: var(--ink); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 2.4rem;
}

/* Lien flechee */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--f-mono);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
  padding-bottom: .3rem;
  box-shadow: inset 0 -1px 0 0 rgba(255, 106, 26, .35);
  transition: box-shadow var(--fast) var(--ease), gap var(--fast) var(--ease);
}
.arrow-link:hover { gap: 1rem; box-shadow: inset 0 -1px 0 0 var(--signal); }
.arrow-link::after { content: '→'; }

/* --------------------------------------------------------------------------
   7. En-tete / navigation
   -------------------------------------------------------------------------- */
.hdr {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  transition: background var(--slow) var(--ease), box-shadow var(--slow) var(--ease);
}
.hdr::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(8, 13, 19, .9);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity var(--slow) var(--ease);
}
.hdr.is-stuck::after { opacity: 1; }
.hdr.is-stuck { box-shadow: 0 1px 0 var(--edge); }

.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 84px;
}

/* Logo : marque SVG + mot-symbole en texte reel */
.logo { display: flex; align-items: center; gap: .8rem; }
.logo__mark { width: 30px; height: 27px; flex: none; }
.logo__txt { display: flex; flex-direction: column; line-height: 1; }
.logo__word {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.24rem;
  font-variation-settings: 'wdth' 116;
  letter-spacing: .045em;
  text-transform: uppercase;
  color: var(--paper);
}
.logo__sub {
  font-family: var(--f-mono);
  font-size: .53rem;
  letter-spacing: .3em;
  color: var(--fog-2);
  margin-top: .3rem;
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 2.1rem; }
.nav a {
  position: relative;
  font-family: var(--f-mono);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--fog);
  padding: .45rem 0;
  transition: color var(--fast) var(--ease);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease);
}
.nav a:hover, .nav a[aria-current='page'] { color: var(--paper); }
.nav a:hover::after, .nav a[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hdr__cta { display: flex; align-items: center; gap: 1.1rem; }
.hdr__tel {
  font-family: var(--f-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--paper);
  white-space: nowrap;
  transition: color var(--fast) var(--ease);
}
.hdr__tel:hover { color: var(--signal); }
.btn--sm { padding: .78rem 1.3rem; font-size: .72rem; }

/* Bouton hamburger */
.burger {
  display: none;
  width: 46px; height: 46px;
  background: none;
  border: 1px solid var(--edge-2);
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--paper);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger span + span { margin-top: 5px; }
.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); }

/* --------------------------------------------------------------------------
   8. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: clamp(620px, 96svh, 940px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 58%;
  will-change: transform;
}
/* Double voile : lisibilite du texte + ancrage sombre en bas */
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 9, 13, .70) 0%, rgba(6, 9, 13, .12) 34%, rgba(6, 9, 13, .93) 100%),
    linear-gradient(78deg, rgba(6, 9, 13, .86) 4%, rgba(6, 9, 13, .04) 58%);
}
/* Trame verticale fine : rappel de grille technique */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, .045) 0 1px,
    transparent 1px 25%
  );
  mask-image: linear-gradient(180deg, transparent, #000 40%, #000 78%, transparent);
}
.hero__in {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: clamp(7.5rem, 14vh, 10rem) clamp(2rem, 5vh, 3.5rem);
}
.hero__title { max-width: 17ch; }
.hero__title em {
  font-style: normal;
  color: var(--signal);
  display: block;
}
.hero__lead { margin-top: 1.9rem; max-width: 54ch; color: #bcc9d6; }

/* Bandeau chiffres bas de hero */
.hero__strip {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--edge);
  background: rgba(6, 9, 13, .55);
  backdrop-filter: blur(6px);
}
.hero__strip .shell {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 1.7rem 1.4rem 1.7rem 0;
  border-left: 1px solid var(--edge);
  padding-left: 1.4rem;
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__n {
  font-family: var(--f-display);
  font-weight: 800;
  font-variation-settings: 'wdth' 112;
  font-size: clamp(1.85rem, 1.2rem + 1.8vw, 2.9rem);
  line-height: 1;
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: .1em;
}
.stat__n sup {
  font-size: .44em;
  color: var(--signal);
  top: -.15em;
  position: relative;
}
.stat__l {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fog-2);
  margin-top: .65rem;
  line-height: 1.4;
}

/* Hero secondaire (pages internes) */
.phero {
  position: relative;
  padding-block: clamp(9rem, 20vh, 13rem) clamp(3.5rem, 7vw, 5.5rem);
  background: var(--ink);
  overflow: hidden;
  border-bottom: 1px solid var(--edge);
}
.phero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, rgba(255, 106, 26, .05) 0 2px, transparent 2px 14px);
  mask-image: radial-gradient(120% 100% at 88% 0%, #000, transparent 62%);
}
.phero__in { position: relative; z-index: 1; }
.phero .lead { margin-top: 1.5rem; }

/* Fil d'ariane */
.crumb {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog-2);
  margin-bottom: 1.5rem;
}
.crumb a {
  color: var(--fog);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}
.crumb a:hover { color: var(--signal); }
.crumb span { margin-inline: .55rem; opacity: .5; }

/* --------------------------------------------------------------------------
   9. Cartes
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: 1px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--gap { gap: clamp(1rem, 2vw, 1.6rem); }

/* Carte activite : image + contenu, coins crochet */
.card {
  position: relative;
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--edge);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--fast) var(--ease), transform var(--slow) var(--ease);
}
.card:hover { background: var(--steel-2); transform: translateY(-4px); }
.card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .85s var(--ease);
}
.card:hover .card__media img { transform: scale(1.06); }
.card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 9, 13, .1), rgba(17, 27, 38, .92));
}
.card__idx {
  position: absolute;
  left: 0; bottom: 0;
  z-index: 2;
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink);
  background: var(--signal);
  padding: .45rem .8rem;
}
.card__body { padding: clamp(1.5rem, 2.4vw, 2.1rem); flex: 1; display: flex; flex-direction: column; }
.card__body p { color: var(--fog); margin: .9rem 0 0; font-size: .96rem; }
.card__body .arrow-link { margin-top: auto; padding-top: 1.6rem; align-self: flex-start; }

/* Carte simple (sans image) avec crochets d'angle */
.tile {
  position: relative;
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--edge);
  padding: clamp(1.6rem, 2.6vw, 2.3rem);
  transition: background var(--fast) var(--ease);
}
.tile::before, .tile::after {
  content: '';
  position: absolute;
  width: 13px; height: 13px;
  border-color: var(--signal);
  border-style: solid;
  opacity: 0;
  transition: opacity var(--fast) var(--ease);
}
.tile::before { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.tile::after { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }
.tile:hover { background: var(--steel-2); }
.tile:hover::before, .tile:hover::after { opacity: 1; }
.tile__n {
  font-family: var(--f-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--signal);
  display: block;
  margin-bottom: 1.1rem;
}
.tile h3 { margin-bottom: .8rem; }
.tile p { color: var(--fog); margin: 0; font-size: .96rem; }

.section--bone .tile {
  background: #fff;
  box-shadow: 0 0 0 1px var(--bone-2);
}
.section--bone .tile:hover { background: #fff; box-shadow: 0 0 0 1px #c2bdb2; }
.section--bone .tile p { color: #4b5866; }

/* Sur fond acier, les tuiles se detachent d'un cran */
.section--steel .tile { background: var(--steel-2); }
.section--steel .tile:hover { background: var(--steel-3); }

/* --------------------------------------------------------------------------
   10. Secteurs (grille d'images)
   -------------------------------------------------------------------------- */
.sect-card {
  position: relative;
  display: block;
  min-height: 320px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--edge);
  background: var(--ink);
}
.sect-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter .5s var(--ease);
  filter: saturate(.72) contrast(1.06);
}
.sect-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 9, 13, .25) 20%, rgba(6, 9, 13, .93) 92%);
  transition: background .5s var(--ease);
}
.sect-card:hover img { transform: scale(1.07); filter: saturate(1) contrast(1.06); }
.sect-card:hover::after {
  background: linear-gradient(180deg, rgba(6, 9, 13, .15) 10%, rgba(11, 17, 25, .88) 92%);
}
.sect-card__in {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  padding: clamp(1.4rem, 2.4vw, 2rem);
}
.sect-card__n {
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--signal);
  display: block;
  margin-bottom: .7rem;
}
.sect-card h3 {
  font-size: clamp(1.25rem, 1.05rem + .6vw, 1.55rem);
  font-variation-settings: 'wdth' 110;
  text-transform: uppercase;
}
.sect-card p {
  color: #b4c1cf;
  font-size: .92rem;
  margin: .7rem 0 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .5s var(--ease), opacity .4s var(--ease), margin .5s var(--ease);
}
.sect-card:hover p, .sect-card:focus-visible p { max-height: 8rem; opacity: 1; }

/* --------------------------------------------------------------------------
   11. Process / etapes
   -------------------------------------------------------------------------- */
.steps { counter-reset: st; display: grid; gap: 1px; }
.step {
  counter-increment: st;
  position: relative;
  padding: clamp(1.8rem, 3vw, 2.6rem) 0 clamp(1.8rem, 3vw, 2.6rem) clamp(4.2rem, 7vw, 6rem);
  border-top: 1px solid var(--edge);
}
.step:last-child { border-bottom: 1px solid var(--edge); }
.step::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: clamp(1.8rem, 3vw, 2.6rem);
  font-family: var(--f-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--signal);
}
.step h3 { margin-bottom: .7rem; }
.step p { color: var(--fog); margin: 0; max-width: 68ch; }
.section--bone .step { border-color: var(--bone-2); }
.section--bone .step p { color: #4b5866; }

/* --------------------------------------------------------------------------
   12. Bandeau split (image + texte)
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}
.split--rev .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; box-shadow: 0 0 0 1px var(--edge); }
/* Filet orange decale : cadrage graphique */
.split__media::before {
  content: '';
  position: absolute;
  inset: auto auto -14px -14px;
  width: 46%; height: 46%;
  border-left: 3px solid var(--signal);
  border-bottom: 3px solid var(--signal);
  pointer-events: none;
}

/* Liste a puces techniques */
.ticks { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .95rem; }
.ticks li {
  position: relative;
  padding-left: 1.85rem;
  color: var(--fog);
}
.ticks li::before {
  content: '';
  position: absolute;
  left: 0; top: .62em;
  width: 9px; height: 9px;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.section--bone .ticks li { color: #4b5866; }

/* --------------------------------------------------------------------------
   13. Bandeau d'appel
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  background: var(--signal);
  color: var(--ink);
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, rgba(0, 0, 0, .1) 0 18px, transparent 18px 36px);
  mask-image: linear-gradient(90deg, transparent 45%, #000 100%);
}
.cta .shell {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.cta h2 { max-width: 20ch; }
.cta p { color: rgba(6, 9, 13, .82); margin: 1rem 0 0; max-width: 46ch; }
.cta .btn { --btn-bg: var(--ink); --btn-fg: var(--paper); }
.cta .btn::before { background: #fff; }
.cta .btn:hover { color: var(--ink); }

/* --------------------------------------------------------------------------
   14. Contact
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.cbox {
  border: 1px solid var(--edge);
  padding: clamp(1.5rem, 2.6vw, 2.1rem);
  display: block;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.cbox + .cbox { margin-top: 1rem; }
.cbox:hover { border-color: var(--signal); background: var(--steel); }
.cbox__l {
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--fog-2);
  display: block;
  margin-bottom: .7rem;
}
.cbox__v {
  font-family: var(--f-display);
  font-weight: 700;
  font-variation-settings: 'wdth' 106;
  font-size: clamp(1.05rem, .95rem + .5vw, 1.3rem);
  color: var(--paper);
  word-break: break-word;
}
.cbox__n { color: var(--fog); font-size: .88rem; margin-top: .5rem; }

/* Formulaire (mailto, sans backend) */
.form { display: grid; gap: 1.15rem; }
.field { display: grid; gap: .55rem; }
.field label {
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}
.field input, .field select, .field textarea {
  font: inherit;
  font-size: .98rem;
  color: var(--paper);
  background: var(--steel);
  border: 1px solid var(--edge);
  padding: .95rem 1.05rem;
  width: 100%;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.field textarea { min-height: 158px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #7a8b9d; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: var(--steel-2);
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--signal) 50%),
    linear-gradient(135deg, var(--signal) 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 14px) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.6rem;
}
.form__note {
  font-size: .82rem;
  color: var(--fog-2);
  margin: 0;
  line-height: 1.55;
}
.grid-2f { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }

/* --------------------------------------------------------------------------
   15. Pied de page
   -------------------------------------------------------------------------- */
.ftr { background: var(--ink); border-top: 1px solid var(--edge); }
.ftr__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-block: clamp(3.5rem, 6vw, 5rem);
}
.ftr__brand .logo { margin-bottom: 1.4rem; }
.ftr__brand p { color: var(--fog); font-size: .92rem; max-width: 38ch; margin: 0; }
.ftr h3 {
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1.35rem;
}
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.ftr ul a {
  color: var(--fog);
  font-size: .92rem;
  transition: color var(--fast) var(--ease), padding-left var(--fast) var(--ease);
}
.ftr ul a:hover { color: var(--paper); padding-left: .35rem; }
.ftr__legal-line {
  border-top: 1px solid var(--edge);
  padding-block: 1.7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.ftr__legal-line p {
  margin: 0;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--fog-2);
}
.ftr__legal-line .ein { color: var(--fog); }
.ftr__id {
  font-family: var(--f-mono);
  font-size: .7rem;
  color: var(--fog-2);
  letter-spacing: .08em;
  text-align: right;
}

/* --------------------------------------------------------------------------
   16. Pages legales (prose)
   -------------------------------------------------------------------------- */
.legal { padding-block: clamp(3rem, 6vw, 5rem) var(--sect); }
.legal__wrap {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
/* Sommaire lateral des pages legales */
.legal__nav {
  position: sticky;
  top: 110px;
  border-left: 1px solid var(--edge);
  padding-left: 1.4rem;
}
.legal__nav h2 {
  font-family: var(--f-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1.2rem;
}
.legal__nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.legal__nav a {
  font-size: .87rem;
  color: var(--fog-2);
  transition: color var(--fast) var(--ease);
}
.legal__nav a:hover, .legal__nav a[aria-current='page'] { color: var(--paper); }

.prose { max-width: 74ch; }
.prose h2 {
  font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem);
  font-variation-settings: 'wdth' 108;
  text-transform: uppercase;
  margin: 3.2rem 0 1.1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--edge);
}
.prose h2:first-of-type { margin-top: 1rem; }
.prose h3 {
  font-size: 1.08rem;
  font-variation-settings: 'wdth' 104;
  margin: 2rem 0 .7rem;
  color: var(--paper);
}
.prose p, .prose li { color: var(--fog); }
.prose p { margin: 0 0 1.1rem; }
.prose ul, .prose ol { margin: 0 0 1.3rem; padding-left: 1.3rem; display: grid; gap: .6rem; }
.prose strong { color: var(--paper); font-weight: 700; }
.prose a,
.ilink {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}
.prose a:hover,
.ilink:hover { text-decoration-thickness: 2px; }

/* Lien souligne sur fond clair (sections bone) */
.ilink--bone { color: #b8460a; }

/* Bloc d'identification legale */
.idcard {
  background: var(--steel);
  box-shadow: 0 0 0 1px var(--edge);
  padding: clamp(1.4rem, 2.4vw, 2rem);
  margin: 0 0 2rem;
}
.idcard dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(150px, auto) 1fr;
  gap: .8rem 1.5rem;
}
.idcard dt {
  font-family: var(--f-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  /* --fog (et non --fog-2) : 6,85:1 sur fond acier, exige pour ce corps de texte */
  color: var(--fog);
  padding-top: .18em;
}
.idcard dd { margin: 0; color: var(--paper); font-size: .96rem; }
.idcard dd a { color: var(--signal); }

/* Encart d'avertissement */
.notice {
  border-left: 3px solid var(--amber);
  background: rgba(255, 176, 32, .06);
  padding: 1.1rem 1.3rem;
  margin: 0 0 1.6rem;
}
.notice p { margin: 0; color: #d8c9a8; font-size: .92rem; }

.updated {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fog-2);
  margin-top: 3rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--edge);
}

/* --------------------------------------------------------------------------
   17. Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay: var(--d, 0ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* Apparition orchestree du hero au chargement */
.hero__in > * {
  opacity: 0;
  transform: translateY(30px);
  animation: rise .95s var(--ease) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes rise { to { opacity: 1; transform: none; } }

.hero__strip { opacity: 0; animation: fade 1s var(--ease) .75s forwards; }
@keyframes fade { to { opacity: 1; } }

/* --------------------------------------------------------------------------
   18. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .legal__wrap { grid-template-columns: 1fr; }
  .legal__nav { position: static; border-left: 0; padding-left: 0; border-top: 1px solid var(--edge); padding-top: 1.5rem; }
  .legal__nav ul { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hdr__in { min-height: 72px; }
  .nav {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-block: 1px solid var(--edge);
    padding: .5rem var(--gut) 1.5rem;
    transform: translateY(-115%);
    transition: transform .45s var(--ease);
    max-height: calc(100svh - 72px);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: 1rem 0; border-bottom: 1px solid var(--edge); font-size: .9rem; }
  .nav a::after { display: none; }
  .burger { display: grid; }
  .hdr__tel { display: none; }
  .hdr__cta .btn { display: none; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split--rev .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .ftr__top { grid-template-columns: 1fr 1fr; }
  .hero__strip .shell { grid-template-columns: repeat(2, 1fr); }
  .stat { padding-right: .8rem; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--edge); }
}

@media (max-width: 560px) {
  .ftr__top { grid-template-columns: 1fr; }
  .grid-2f { grid-template-columns: 1fr; }
  .btn-row .btn { width: 100%; justify-content: center; }
  .legal__nav ul { grid-template-columns: 1fr; }
  .hero { min-height: 88svh; }
  .ftr__legal-line { flex-direction: column; align-items: flex-start; }
  .ftr__id { text-align: left; }
}

/* --------------------------------------------------------------------------
   19. Preferences utilisateur
   -------------------------------------------------------------------------- */
@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 { opacity: 1; transform: none; }
  .hero__in > * { opacity: 1; transform: none; }
  .hero__strip { opacity: 1; }
  .sect-card p { max-height: 8rem; opacity: 1; }
}

@media print {
  .hdr, .ftr__top, .cta, .hero__media, .burger { display: none !important; }
  body { background: #fff; color: #000; }
  .prose p, .prose li, .idcard dd { color: #000; }
}