/* ==========================================================================
   ASTRAE CONSULTING — Design system
   Direction : « le trait de l'ingénieur »
   Palette issue du logo (marine #0F2744 / or #B98D42 / asphalte #303233)
   ========================================================================== */

/* ---------- Fonts (auto-hébergées, RGPD-friendly) ---------- */
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plexmono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  /* Couleurs */
  --navy-950: #081629;
  --navy-900: #0B1D35;   /* fonds sombres */
  --navy-800: #0F2744;   /* couleur principale (logo) */
  --navy-600: #2B4568;
  --gold-600: #9A7433;   /* or lisible sur fond clair (texte ≥ 4.5:1 en gras/grand) */
  --gold-500: #B98D42;   /* accent (logo) */
  --gold-300: #D9BE86;   /* or sur fond sombre */
  --asphalt: #303233;    /* secondaire (route du logo) */
  --ink: #142033;        /* texte */
  --ink-2: #4A5566;      /* texte secondaire */
  --ink-3: #6B7585;      /* métadonnées */
  --paper: #FFFFFF;      /* fond principal */
  --stone: #F0F1F2;      /* fond secondaire (béton clair) */
  --stone-2: #E4E7EA;
  --line: #D6DBE1;
  --line-soft: #E6E9ED;
  --on-dark: #F4F6F9;
  --on-dark-2: #B7C2D1;
  --line-dark: rgba(255, 255, 255, .14);

  /* Typographie */
  --font-sans: "Archivo", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-display: clamp(2.5rem, 1.35rem + 4.4vw, 5.25rem);
  --fs-h1: clamp(2.25rem, 1.4rem + 3.4vw, 4.25rem);
  --fs-h2: clamp(1.875rem, 1.3rem + 2.2vw, 3.125rem);
  --fs-h3: clamp(1.25rem, 1.12rem + .5vw, 1.5rem);
  --fs-statement: clamp(1.5rem, 1.1rem + 1.6vw, 2.375rem);
  --fs-lead: clamp(1.125rem, 1.04rem + .35vw, 1.3125rem);
  --fs-body: 1.0625rem;
  --fs-small: .9375rem;
  --fs-xs: .8125rem;
  --fs-label: .75rem;

  /* Espacements (base 4) */
  --s-1: .25rem; --s-2: .5rem; --s-3: .75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4rem; --s-9: 6rem; --s-10: 8rem;
  --section: clamp(4.5rem, 2.5rem + 7vw, 9.5rem);
  --gutter: clamp(1.25rem, .6rem + 3vw, 3rem);
  --container: 1320px;
  --header-h: 88px;

  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur: .45s;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  font-stretch: 100%;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; text-wrap: balance; }
::selection { background: var(--gold-300); color: var(--navy-900); }

:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; border-radius: 1px; }

.skip-link {
  position: absolute; left: var(--s-4); top: -100px; z-index: 200;
  background: var(--navy-800); color: #fff; padding: .75rem 1rem; text-decoration: none;
  font-size: var(--fs-small); font-weight: 600;
}
.skip-link:focus { top: var(--s-4); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.section--stone { background: var(--stone); }
.section--dark { background: var(--navy-900); color: var(--on-dark); }
.section--tight { padding-block: clamp(3rem, 2rem + 4vw, 6rem); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(1rem, .5rem + 1.6vw, 2rem); }

/* ---------- Typographie ---------- */
.label {
  display: inline-flex; align-items: center; gap: .75rem;
  font-size: var(--fs-label); line-height: 1.3; font-weight: 600; font-stretch: 118%;
  letter-spacing: .18em; text-transform: uppercase; color: var(--gold-600);
}
.label::before { content: ""; width: 28px; height: 1px; background: currentColor; flex: none; }
.section--dark .label, .hero .label, .cta-band .label { color: var(--gold-300); }
.label--plain::before { display: none; }

.display, .h1, .h2 { font-stretch: 112%; letter-spacing: -.022em; color: var(--navy-800); }
.section--dark .h2, .section--dark .h1 { color: #fff; }
.display { font-size: var(--fs-display); line-height: 1.02; font-weight: 500; }
.h1 { font-size: var(--fs-h1); line-height: 1.04; font-weight: 500; }
.h2 { font-size: var(--fs-h2); line-height: 1.08; font-weight: 500; }
.h3 { font-size: var(--fs-h3); line-height: 1.25; font-weight: 600; font-stretch: 106%; letter-spacing: -.01em; color: var(--navy-800); }
.section--dark .h3 { color: #fff; }
.display em, .h1 em, .h2 em { font-style: normal; color: var(--gold-500); }
.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--ink-2); max-width: 38em; }
.section--dark .lead { color: var(--on-dark-2); }
.prose { max-width: 40em; color: var(--ink-2); }
.prose > * + * { margin-top: 1.1em; }
.prose strong { color: var(--ink); font-weight: 600; }
.section--dark .prose { color: var(--on-dark-2); }
.section--dark .prose strong { color: #fff; }
.mono { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .02em; }
.statement { font-size: var(--fs-statement); line-height: 1.32; font-stretch: 104%; letter-spacing: -.012em; color: var(--navy-800); font-weight: 400; max-width: 30em; text-wrap: pretty; }
.statement strong { font-weight: 600; }

/* ---------- Boutons & liens ---------- */
.btn {
  --btn-bg: var(--navy-800); --btn-fg: #fff; --btn-bd: var(--navy-800);
  display: inline-flex; align-items: center; gap: .85rem;
  min-height: 52px; padding: 0 1.5rem;
  background: var(--btn-bg); color: var(--btn-fg); border: 1px solid var(--btn-bd); border-radius: var(--radius);
  font: 600 .875rem/1 var(--font-sans); font-stretch: 112%; letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn .arr { width: 18px; height: 10px; flex: none; transition: transform var(--dur) var(--ease); }
.btn:hover { --btn-bg: var(--navy-600); --btn-bd: var(--navy-600); }
.btn:hover .arr { transform: translateX(4px); }
.btn--gold { --btn-bg: var(--gold-500); --btn-fg: var(--navy-950); --btn-bd: var(--gold-500); }
.btn--gold:hover { --btn-bg: var(--gold-300); --btn-bd: var(--gold-300); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--navy-800); --btn-bd: var(--line); }
.btn--ghost:hover { --btn-bg: transparent; --btn-bd: var(--navy-800); }
.btn--ghost-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgba(255,255,255,.3); }
.btn--ghost-light:hover { --btn-bg: transparent; --btn-bd: #fff; }
.btn--sm { min-height: 44px; padding: 0 1.15rem; font-size: .78rem; }

.link {
  display: inline-flex; align-items: center; gap: .6rem;
  font-weight: 600; font-size: var(--fs-small); font-stretch: 108%; letter-spacing: .01em;
  color: var(--navy-800); text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  padding-bottom: 3px; transition: background-size var(--dur) var(--ease), color .2s;
}
.link .arr { width: 16px; height: 9px; transition: transform var(--dur) var(--ease); }
.link:hover { background-size: 100% 1px; }
.link:hover .arr { transform: translateX(3px); }
.section--dark .link, .hero .link { color: #fff; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-6); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100;
  background: rgba(255,255,255,.96);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled { border-color: var(--line-soft); box-shadow: 0 10px 30px -24px rgba(11,29,53,.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); height: var(--header-h); transition: height .35s var(--ease); }
.site-header.is-scrolled .header-inner { height: 70px; }
.brand { display: block; flex: none; line-height: 0; }
.brand img { height: 66px; width: auto; transition: height .35s var(--ease); }
.site-header.is-scrolled .brand img { height: 50px; }

.nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.2vw, 2.25rem); }
.nav-list { display: flex; align-items: center; gap: clamp(.25rem, 1vw, .75rem); list-style: none; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: .4rem; height: 44px; padding: 0 .65rem;
  background: none; border: 0; cursor: pointer; color: var(--ink);
  font: 500 .9375rem/1 var(--font-sans); font-stretch: 104%; text-decoration: none; letter-spacing: .005em;
  position: relative;
}
.nav-link::after {
  content: ""; position: absolute; left: .65rem; right: .65rem; bottom: 8px; height: 1px;
  background: var(--gold-500); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after, .nav-item.is-current > .nav-link::after { transform: scaleX(1); }
.nav-link .chev { width: 9px; height: 6px; transition: transform .3s var(--ease); color: var(--ink-3); }
.nav-item.is-open .chev { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: -1rem; width: 380px;
  background: #fff; border: 1px solid var(--line-soft); border-top: 2px solid var(--gold-500);
  box-shadow: 0 24px 50px -28px rgba(11,29,53,.4);
  padding: .75rem; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .25s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
}
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav-item.is-open .dropdown { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.dropdown a { display: grid; gap: .15rem; padding: .85rem 1rem; text-decoration: none; transition: background .2s; }
.dropdown a:hover, .dropdown a:focus-visible, .dropdown a[aria-current="page"] { background: var(--stone); }
.dropdown .dd-title { font-weight: 600; font-size: .9375rem; color: var(--navy-800); font-stretch: 104%; }
.dropdown .dd-desc { font-size: var(--fs-xs); color: var(--ink-2); line-height: 1.45; }
.dropdown .dd-all { border-top: 1px solid var(--line-soft); margin-top: .5rem; padding-top: 1rem; }
.dropdown .dd-all .dd-title { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-600); }

.header-tel { display: grid; line-height: 1.2; text-decoration: none; text-align: right; }
.header-tel small { font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; font-stretch: 112%; }
.header-tel span { font-family: var(--font-mono); font-size: .875rem; color: var(--navy-800); }

.menu-toggle {
  display: none; width: 48px; height: 48px; margin-right: -12px; background: none; border: 0; cursor: pointer; position: relative; color: var(--navy-800);
}
.menu-toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), opacity .2s; }
.menu-toggle span:nth-child(1) { top: 18px; }
.menu-toggle span:nth-child(2) { top: 24px; right: 19px; }
.menu-toggle span:nth-child(3) { top: 30px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Menu mobile */
.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: #fff;
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 1rem) var(--gutter) calc(2rem + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; gap: 2rem; overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .4s var(--ease), visibility 0s linear .4s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mobile-menu nav { display: grid; gap: 1.75rem; }
.mm-group { display: grid; gap: .25rem; }
.mm-group > .label { margin-bottom: .5rem; }
.mm-link { display: flex; justify-content: space-between; align-items: center; padding: .7rem 0; border-bottom: 1px solid var(--line-soft); text-decoration: none; font-size: 1.1875rem; font-weight: 500; font-stretch: 108%; color: var(--navy-800); }
.mm-link[aria-current="page"] { color: var(--gold-600); }
.mm-link .arr { width: 16px; height: 9px; color: var(--ink-3); }
.mm-foot { margin-top: auto; display: grid; gap: 1rem; padding-top: 1rem; }
.mm-foot .btn { justify-content: center; }
.mm-contact { display: grid; gap: .35rem; font-size: var(--fs-small); color: var(--ink-2); }
.mm-contact a { color: var(--navy-800); text-decoration: none; font-family: var(--font-mono); font-size: .9375rem; }
body.menu-open { overflow: hidden; }

/* ==========================================================================
   HERO (accueil)
   ========================================================================== */
.hero { position: relative; background: var(--navy-900); color: var(--on-dark); overflow: hidden; isolation: isolate; }
.hero-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; -webkit-mask-image: linear-gradient(90deg, transparent 0%, transparent 44%, #000 72%); mask-image: linear-gradient(90deg, transparent 0%, transparent 44%, #000 72%); }
.hero-art svg { position: absolute; right: -6%; top: 0; height: 100%; width: auto; min-width: 70%; max-width: none; }
.hero-inner { padding-block: clamp(4rem, 2.5rem + 6vw, 8.5rem) clamp(3rem, 2rem + 4vw, 6rem); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 6rem); align-items: end; }
.hero-copy { display: grid; gap: var(--s-6); }
.hero .display { color: #fff; max-width: 11em; }
.hero-sub { font-size: var(--fs-lead); color: var(--on-dark-2); max-width: 30em; line-height: 1.55; }
.hero-sub strong { color: #fff; font-weight: 500; }

/* Cartouche (bloc technique façon cartouche de plan) */
.cartouche { border: 1px solid var(--line-dark); background: rgba(8,22,41,.55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.cartouche-head { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 1.25rem; border-bottom: 1px solid var(--line-dark); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .06em; color: var(--on-dark-2); text-transform: uppercase; }
.cartouche-row { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--line-dark); }
.cartouche-row:last-child { border-bottom: 0; }
.cartouche-row dt { font-family: var(--font-mono); font-size: .75rem; line-height: 1.5; color: var(--gold-300); letter-spacing: .02em; padding-top: .15rem; }
.cartouche-row dd { margin: 0; display: grid; gap: .2rem; }
.cartouche-row dd b { font-weight: 600; color: #fff; font-stretch: 106%; font-size: 1rem; }
.cartouche-row dd span { font-size: var(--fs-xs); color: var(--on-dark-2); line-height: 1.5; }
/* Cartouche clair */
.cartouche--light { border-color: var(--line); background: #fff; }
.cartouche--light .cartouche-head { border-color: var(--line); color: var(--ink-3); }
.cartouche--light .cartouche-row { border-color: var(--line-soft); }
.cartouche--light .cartouche-row dt { color: var(--gold-600); }
.cartouche--light .cartouche-row dd b { color: var(--navy-800); }
.cartouche--light .cartouche-row dd span { color: var(--ink-2); }

.hero-refs { border-top: 1px solid var(--line-dark); }
.hero-refs .container { display: flex; align-items: center; gap: 1.5rem 3rem; flex-wrap: wrap; padding-block: 1.6rem; }
.hero-refs .label { flex: none; }
.ref-names { display: flex; flex-wrap: wrap; gap: .5rem 2.25rem; list-style: none; }
.ref-names li { font-weight: 600; font-stretch: 118%; letter-spacing: .08em; font-size: .9375rem; color: #fff; opacity: .88; text-transform: uppercase; }

/* ==========================================================================
   PAGE HERO (pages intérieures)
   ========================================================================== */
.page-hero { position: relative; background: var(--paper); border-bottom: 1px solid var(--line-soft); overflow: hidden; isolation: isolate; }
.page-hero .container { padding-block: clamp(3rem, 2rem + 4.5vw, 6.5rem) clamp(3rem, 2rem + 4vw, 6rem); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 6rem); align-items: end; }
.page-hero-copy { display: grid; gap: var(--s-5); }
.page-hero .h1 { max-width: 14em; }
.page-hero-art { position: absolute; right: 0; top: 0; bottom: 0; width: 52%; z-index: -1; pointer-events: none; opacity: .9; }
.page-hero-art svg { width: 100%; height: 100%; }
.page-hero--dark { background: var(--navy-900); border-bottom: 0; color: var(--on-dark); }
.page-hero--dark .h1 { color: #fff; }
.page-hero--dark .lead { color: var(--on-dark-2); }
.page-hero--dark .label { color: var(--gold-300); }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; font-family: var(--font-mono); font-size: .75rem; color: var(--ink-3); letter-spacing: .02em; }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: var(--line); }
.breadcrumb a { text-decoration: none; color: var(--ink-2); }
.breadcrumb a:hover { color: var(--navy-800); text-decoration: underline; text-underline-offset: 3px; }
.page-hero--dark .breadcrumb, .page-hero--dark .breadcrumb a { color: var(--on-dark-2); }

/* ==========================================================================
   SECTIONS & COMPOSANTS
   ========================================================================== */
.section-head { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5) clamp(2rem, 5vw, 6rem); align-items: end; margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); }
.section-head > div { display: grid; gap: var(--s-5); }
.section-head--stack { grid-template-columns: minmax(0, 1fr); max-width: 52rem; }

/* Chiffres clés */
.figures { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.figure { padding: 2rem clamp(1rem, 2vw, 2rem) 0 0; display: grid; gap: .5rem; align-content: start; position: relative; }
.figure + .figure { padding-left: clamp(1rem, 2vw, 2rem); border-left: 1px solid var(--line); }
.figure-num { font-size: clamp(3rem, 2rem + 3.5vw, 5.25rem); line-height: .95; font-weight: 400; font-stretch: 108%; letter-spacing: -.04em; color: var(--navy-800); font-variant-numeric: lining-nums tabular-nums; }
.figure-num sup { font-size: .38em; letter-spacing: 0; vertical-align: top; position: relative; top: .35em; margin-left: .1em; color: var(--gold-500); font-weight: 500; }
.figure-label { font-size: var(--fs-small); color: var(--ink-2); max-width: 14em; line-height: 1.45; }

/* Intro éditoriale */
.intro { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--s-6) clamp(2rem, 5vw, 6rem); }
.intro-aside { display: grid; gap: 1rem; align-content: start; }
.intro-body { display: grid; gap: var(--s-6); }
.intro-body .prose { max-width: 36em; }

/* Modes d'intervention (3 colonnes éditoriales) */
.modes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--navy-800); }
.mode { padding: 2rem clamp(1rem, 2.4vw, 2.5rem) 0 0; display: grid; gap: 1rem; align-content: start; }
.mode + .mode { padding-left: clamp(1rem, 2.4vw, 2.5rem); border-left: 1px solid var(--line); }
.mode-tag { font-family: var(--font-mono); font-size: .75rem; color: var(--gold-600); letter-spacing: .02em; }
.mode .h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); font-weight: 500; font-stretch: 112%; letter-spacing: -.02em; }
.mode p { color: var(--ink-2); font-size: var(--fs-small); line-height: 1.7; max-width: 26em; }

/* Liste d'expertises (lignes larges) */
.xp-list { list-style: none; border-top: 1px solid var(--line); }
.xp-item { border-bottom: 1px solid var(--line); }
.xp-link { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr) auto; gap: 1rem clamp(1.5rem, 4vw, 4rem); align-items: center; padding: clamp(1.75rem, 1.2rem + 1.6vw, 2.75rem) 0; text-decoration: none; position: relative; }
.xp-link::before { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--navy-800); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.xp-link:hover::before, .xp-link:focus-visible::before { transform: scaleX(1); }
.xp-title { font-size: clamp(1.625rem, 1.2rem + 1.6vw, 2.625rem); line-height: 1.1; font-weight: 500; font-stretch: 112%; letter-spacing: -.022em; color: var(--navy-800); transition: transform .5s var(--ease); }
.xp-link:hover .xp-title { transform: translateX(6px); }
.xp-desc { display: grid; gap: .75rem; }
.xp-desc p { color: var(--ink-2); font-size: var(--fs-small); max-width: 34em; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; }
.tags li { font-family: var(--font-mono); font-size: .75rem; color: var(--navy-600); border: 1px solid var(--line); padding: .2rem .55rem; line-height: 1.5; background: #fff; }
.section--stone .tags li { background: var(--paper); }
.section--dark .tags li { color: var(--on-dark); border-color: var(--line-dark); background: transparent; }
.xp-arrow { width: 56px; height: 56px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--navy-800); transition: background .4s var(--ease), color .4s var(--ease), border-color .4s; }
.xp-arrow svg { width: 20px; height: 11px; }
.xp-link:hover .xp-arrow { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }

/* Processus façon profil en long avec PR */
.process { position: relative; }
.process-phases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.phase { padding-top: 2.25rem; position: relative; }
.phase-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-right: clamp(1rem, 3vw, 3rem); margin-bottom: 1.75rem; }
.phase-head .h3 { font-size: 1.125rem; letter-spacing: .1em; text-transform: uppercase; font-stretch: 118%; }
.phase-head .mono { color: var(--on-dark-2); }
.section:not(.section--dark) .phase-head .mono { color: var(--ink-3); }
.road { position: relative; height: 22px; margin-bottom: 1.75rem; }
.road::before { content: ""; position: absolute; left: 0; right: 0; top: 10px; height: 2px; background: var(--gold-500); }
.road::after { content: ""; position: absolute; left: 0; right: 0; top: 10px; height: 2px; background: repeating-linear-gradient(90deg, transparent 0 18px, var(--navy-900) 18px 30px); opacity: .75; }
.phase:nth-child(2) .road::before { background: var(--on-dark-2); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; padding-right: clamp(1rem, 3vw, 3rem); counter-reset: step; }
.step { display: grid; gap: .5rem; align-content: start; position: relative; }
.step-pr { font-family: var(--font-mono); font-size: .75rem; color: var(--gold-300); }
.step b { font-weight: 600; font-size: 1.0625rem; font-stretch: 106%; color: #fff; line-height: 1.3; }
.step span { font-size: var(--fs-xs); color: var(--on-dark-2); line-height: 1.55; }
.pk { position: absolute; top: 0; width: 1px; height: 22px; background: var(--on-dark-2); }
.carbon-span { margin-top: 2.75rem; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem 1.5rem; padding: 1.25rem 1.5rem; border: 1px dashed rgba(217,190,134,.55); }
.carbon-span .mono { color: var(--gold-300); }
.carbon-span p { color: var(--on-dark); font-size: var(--fs-small); }
.carbon-span p b { font-weight: 600; }

/* Split éditorial */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 7rem); align-items: start; }
.split--wide-left { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--wide-right { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.split > div { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s-5); align-content: start; }
.sticky-col { position: sticky; top: calc(var(--header-h) + 2rem); }

/* Valeurs */
.values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.value { padding: 2rem 2rem 2.25rem 0; display: grid; gap: .6rem; border-bottom: 1px solid var(--line); align-content: start; }
.value:nth-child(even) { padding-left: 2rem; padding-right: 0; border-left: 1px solid var(--line); }
.value .h3 { font-size: 1.1875rem; }
.value p { color: var(--ink-2); font-size: var(--fs-small); }
.value-mark { width: 22px; height: 22px; color: var(--gold-500); }

/* Références autoroutières */
.motorways { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; }
.mw { display: inline-grid; place-items: center; min-width: 3.4rem; height: 2.25rem; padding: 0 .7rem; border: 1.5px solid currentColor; border-radius: 4px; font-weight: 700; font-stretch: 112%; font-size: .9375rem; letter-spacing: .02em; color: var(--navy-800); }
.section--dark .mw, .page-hero--dark .mw { color: #fff; border-color: rgba(255,255,255,.55); }
.mw--lg { height: 3rem; min-width: 4.4rem; font-size: 1.25rem; }

.featured-refs { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line-dark); }
.featured-ref { padding: 2rem clamp(1rem, 2vw, 2rem) 0 0; display: grid; gap: .9rem; align-content: start; }
.featured-ref + .featured-ref { padding-left: clamp(1rem, 2vw, 2rem); border-left: 1px solid var(--line-dark); }
.featured-ref .mono { color: var(--gold-300); }
.featured-ref b { font-size: 1.1875rem; font-weight: 500; font-stretch: 108%; color: #fff; line-height: 1.35; }
.featured-ref .ref-client { font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-2); font-weight: 600; font-stretch: 112%; }

/* Page Références : index clients + registre */
.ref-layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(2rem, 5vw, 6rem); align-items: start; }
.ref-index { position: sticky; top: calc(var(--header-h) + 2rem); display: grid; gap: 1rem; }
.ref-index ol { list-style: none; display: grid; border-top: 1px solid var(--line); }
.ref-index a { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line-soft); text-decoration: none; font-weight: 500; font-size: var(--fs-small); color: var(--ink-2); transition: color .2s, padding .3s var(--ease); }
.ref-index a span { font-family: var(--font-mono); font-size: .75rem; color: var(--ink-3); }
.ref-index a:hover, .ref-index a.is-active { color: var(--navy-800); padding-left: .4rem; }
.ref-index a.is-active { box-shadow: inset 2px 0 0 var(--gold-500); padding-left: .75rem; }
.client { padding-bottom: clamp(3rem, 2rem + 3vw, 5rem); display: grid; gap: 1.5rem; }
.client + .client { padding-top: clamp(3rem, 2rem + 3vw, 5rem); border-top: 1px solid var(--line); }
.client-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.client-name { font-size: clamp(2rem, 1.4rem + 2.2vw, 3.25rem); line-height: 1; font-weight: 600; font-stretch: 122%; letter-spacing: -.01em; color: var(--navy-800); text-transform: uppercase; }
.client-count { font-family: var(--font-mono); font-size: .75rem; color: var(--ink-3); }
.client > p { color: var(--ink-2); max-width: 44em; }
.ledger { list-style: none; border-top: 1px solid var(--navy-800); }
.ledger li { display: grid; grid-template-columns: minmax(10rem, 3fr) minmax(0, 7fr); gap: .35rem 2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line-soft); transition: background .25s; }
.ledger li:hover { background: linear-gradient(90deg, var(--stone), transparent 85%); }
.ledger .loc { font-family: var(--font-mono); font-size: .8125rem; color: var(--navy-800); line-height: 1.6; }
.ledger .loc b { font-family: var(--font-sans); font-weight: 700; font-stretch: 112%; font-size: .9375rem; margin-right: .5rem; }
.ledger .mis { color: var(--ink); font-size: var(--fs-small); line-height: 1.6; }
.ledger .mis::first-letter { text-transform: uppercase; }

/* Missions (liste de définitions) */
.missions { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 4vw, 4rem); border-top: 1px solid var(--line); }
.mission { padding: 1.75rem 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 2.5rem 1fr; gap: .25rem 1rem; align-content: start; }
.mission-code { font-family: var(--font-mono); font-size: .75rem; color: var(--gold-600); padding-top: .3rem; grid-row: span 2; }
.mission .h3 { font-size: 1.1875rem; display: flex; align-items: center; flex-wrap: wrap; gap: .5rem .75rem; }
.mission p { color: var(--ink-2); font-size: var(--fs-small); grid-column: 2; }
.badge { display: inline-block; font-family: var(--font-sans); font-size: .6875rem; font-weight: 600; font-stretch: 112%; letter-spacing: .12em; text-transform: uppercase; color: var(--navy-900); background: var(--gold-300); padding: .25rem .55rem; line-height: 1.3; }
.missions--single { grid-template-columns: minmax(0, 1fr); }

/* Points (raisons, bénéfices) */
.points { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.point { display: grid; gap: .75rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); align-content: start; }
.section:not(.section--dark) .point { border-top-color: var(--line); }
.point .h3 { font-size: 1.1875rem; }
.point p { font-size: var(--fs-small); color: var(--ink-2); }
.section--dark .point p { color: var(--on-dark-2); }

/* Timeline 2 temps (bilan carbone) */
.moments { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line); background: #fff; }
.moment { padding: clamp(1.5rem, 3vw, 2.5rem); display: grid; gap: .8rem; align-content: start; }
.moment + .moment { border-left: 1px solid var(--line); }
.moment .mono { color: var(--gold-600); }
.moment p { color: var(--ink-2); font-size: var(--fs-small); }

/* Liste de territoires */
.places { list-style: none; border-top: 1px solid var(--line); }
.place { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding: 1.35rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.place .mono { color: var(--gold-600); }
.place b { font-size: clamp(1.25rem, 1.05rem + .8vw, 1.75rem); font-weight: 500; font-stretch: 110%; letter-spacing: -.015em; color: var(--navy-800); line-height: 1.25; }
.place b small { display: block; font-size: var(--fs-small); color: var(--ink-2); font-weight: 400; letter-spacing: 0; font-stretch: 100%; margin-top: .2rem; }

/* Note / encadré de périmètre */
.note { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; padding: 1.5rem 1.75rem; border-left: 2px solid var(--gold-500); background: var(--stone); }
.note .mono { color: var(--gold-600); padding-top: .15rem; }
.note p { color: var(--ink); font-size: var(--fs-small); }

/* Carte lien vers autre expertise */
.next-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.next-link { display: grid; gap: .75rem; padding: 1.75rem clamp(1rem, 2vw, 2rem) 1.75rem 0; text-decoration: none; align-content: start; transition: background .3s; }
.next-link + .next-link { padding-left: clamp(1rem, 2vw, 2rem); border-left: 1px solid var(--line); }
.next-link .mono { color: var(--gold-600); }
.next-link b { font-size: 1.25rem; font-weight: 500; font-stretch: 110%; color: var(--navy-800); line-height: 1.25; letter-spacing: -.01em; }
.next-link span { font-size: var(--fs-xs); color: var(--ink-2); }
.next-link .link { margin-top: .5rem; }

/* ==========================================================================
   CONTACT & FORMULAIRE
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2.5rem, 6vw, 7rem); align-items: start; }
.contact-lines { display: grid; border-top: 1px solid var(--line); }
.contact-line { display: grid; gap: .3rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.contact-line small { font-size: var(--fs-label); font-weight: 600; font-stretch: 116%; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); }
.contact-line a, .contact-line address, .contact-line p { font-style: normal; font-size: clamp(1.125rem, 1rem + .5vw, 1.375rem); font-weight: 500; font-stretch: 106%; color: var(--navy-800); text-decoration: none; line-height: 1.4; overflow-wrap: anywhere; }
.contact-line a.mono-big { font-family: var(--font-mono); font-weight: 400; letter-spacing: -.01em; }
.contact-line a:hover { color: var(--gold-600); }

.form { display: grid; gap: 1.5rem; padding: clamp(1.5rem, 3vw, 3rem); background: #fff; border: 1px solid var(--line); }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.field { display: grid; gap: .5rem; }
.field label { font-size: var(--fs-label); font-weight: 600; font-stretch: 114%; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.field label .opt { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--ink-3); font-stretch: 100%; }
.field input, .field textarea {
  width: 100%; font: 400 1rem/1.5 var(--font-sans); color: var(--ink);
  padding: .85rem 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent;
  transition: border-color .3s var(--ease);
}
.field textarea { min-height: 8.5rem; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--navy-800); box-shadow: 0 1px 0 0 var(--navy-800); }
.field input:focus-visible, .field textarea:focus-visible { outline: none; }
.field input:user-invalid { border-bottom-color: #B3261E; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.form-foot p { font-size: var(--fs-xs); color: var(--ink-3); max-width: 28em; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status--error { border-left-color: #B3261E; }
.form-status { font-size: var(--fs-small); color: var(--navy-800); padding: 1rem 1.25rem; background: var(--stone); border-left: 2px solid var(--gold-500); }

.map-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; padding: 1.75rem; background: var(--navy-900); color: var(--on-dark); position: relative; overflow: hidden; isolation: isolate; }
.map-card svg.map-art { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .5; }
.map-card address { font-style: normal; display: grid; gap: .2rem; }
.map-card address b { font-weight: 600; color: #fff; font-stretch: 106%; }
.map-card address span { font-size: var(--fs-small); color: var(--on-dark-2); }

/* ==========================================================================
   CTA BAND + FOOTER
   ========================================================================== */
.cta-band { background: var(--navy-900); color: var(--on-dark); position: relative; overflow: hidden; isolation: isolate; }
.cta-band-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000 75%); mask-image: linear-gradient(90deg, transparent 20%, #000 75%); }
.cta-band-art svg { position: absolute; right: -6%; bottom: -35%; width: 64%; min-width: 620px; height: auto; max-width: none; opacity: .75; }
.cta-band .container { padding-block: clamp(4rem, 2.5rem + 6vw, 8rem); display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 6rem); align-items: end; }
.cta-band .h2 { color: #fff; max-width: 13em; }
.cta-band-side { display: grid; gap: 1.5rem; justify-items: start; }
.cta-band-side p { color: var(--on-dark-2); font-size: var(--fs-small); }
.cta-band-tel { font-family: var(--font-mono); font-size: 1.125rem; color: #fff; text-decoration: none; border-bottom: 1px solid var(--line-dark); padding-bottom: .25rem; }
.cta-band-tel:hover { border-color: var(--gold-300); }

.site-footer { background: var(--stone); color: var(--ink-2); padding-top: clamp(4rem, 3rem + 4vw, 7rem); }
.footer-top { display: grid; grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.4fr)); gap: 2.5rem clamp(2rem, 4vw, 4rem); padding-bottom: clamp(3rem, 2rem + 3vw, 5rem); }
.footer-brand { display: grid; gap: 1.5rem; align-content: start; }
.footer-brand img { width: 260px; height: auto; }
.footer-brand p { font-size: var(--fs-small); max-width: 22em; }
.footer-col { display: grid; gap: 1.1rem; align-content: start; }
.footer-col h2 { font-size: var(--fs-label); font-weight: 600; font-stretch: 116%; letter-spacing: .16em; text-transform: uppercase; color: var(--navy-800); }
.footer-col ul { list-style: none; display: grid; gap: .6rem; }
.footer-col a { text-decoration: none; font-size: var(--fs-small); color: var(--ink-2); transition: color .2s; }
.footer-col a:hover { color: var(--navy-800); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--gold-500); }
.footer-col address { font-style: normal; font-size: var(--fs-small); line-height: 1.7; }
.footer-col .mono a, .footer-tel { font-family: var(--font-mono); font-size: .875rem; color: var(--navy-800); }
.footer-bottom { border-top: 1px solid var(--line); }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; padding-block: 1.5rem calc(1.5rem + env(safe-area-inset-bottom, 0px)); font-size: var(--fs-xs); color: var(--ink-3); }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; list-style: none; }
.footer-bottom a { color: var(--ink-2); text-decoration: none; }
.footer-bottom a:hover { color: var(--navy-800); text-decoration: underline; text-underline-offset: 3px; }

/* Mentions légales */
.legal { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 6rem); }
.legal-body { max-width: 46em; display: grid; gap: 2.75rem; }
.legal-body section { display: grid; gap: 1rem; }
.legal-body h2 { font-size: 1.375rem; font-weight: 600; font-stretch: 108%; color: var(--navy-800); letter-spacing: -.01em; }
.legal-body h3 { font-size: 1.0625rem; font-weight: 600; color: var(--navy-800); margin-top: .5rem; }
.legal-body p, .legal-body li { color: var(--ink-2); font-size: var(--fs-small); line-height: 1.75; }
.legal-body ul { padding-left: 1.1rem; display: grid; gap: .3rem; }
.legal-body dl { display: grid; grid-template-columns: minmax(10rem, auto) 1fr; border-top: 1px solid var(--line); margin: 0; }
.legal-body dt, .legal-body dd { padding: .75rem 0; border-bottom: 1px solid var(--line-soft); font-size: var(--fs-small); margin: 0; }
.legal-body dt { color: var(--ink-3); padding-right: 1.5rem; }
.legal-body dd { color: var(--ink); }
.legal-body a { color: var(--navy-800); text-underline-offset: 3px; text-decoration-color: var(--gold-500); overflow-wrap: anywhere; }

/* ==========================================================================
   Micro-interactions : apparition au scroll (progressive, jamais bloquante)
   ========================================================================== */
.js [data-reveal].is-pending { opacity: 0; transform: translateY(18px); }
.js [data-reveal] { transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.draw path.draw-line { stroke-dasharray: var(--len, 2400); stroke-dashoffset: 0; }
.js .draw.is-pending path.draw-line { stroke-dashoffset: var(--len, 2400); }
.js .draw path.draw-line { transition: stroke-dashoffset 2.4s var(--ease); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js [data-reveal].is-pending { opacity: 1; transform: none; }
  .js .draw.is-pending path.draw-line { stroke-dashoffset: 0; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1180px) {
  .header-tel { display: none; }
}
@media (max-width: 1024px) {
  :root { --header-h: 76px; }
  .nav { display: none; }
  .menu-toggle { display: block; }
  .brand img { height: 50px; }
  .site-header.is-scrolled .header-inner { height: 64px; }
  .site-header.is-scrolled .brand img { height: 42px; }

  .hero-inner, .page-hero .container { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .hero-art svg { right: -30%; opacity: .7; }
  .page-hero-art { width: 80%; opacity: .45; }
  .section-head { grid-template-columns: minmax(0, 1fr); }
  .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figure:nth-child(3) { padding-left: 0; border-left: 0; }
  .figure:nth-child(n+3) { margin-top: 2rem; border-top: 1px solid var(--line); }
  .intro { grid-template-columns: minmax(0, 1fr); }
  .xp-link { grid-template-columns: minmax(0, 1fr) auto; }
  .xp-desc { grid-column: 1 / -1; grid-row: 2; }
  .xp-arrow { grid-column: 2; grid-row: 1; width: 48px; height: 48px; }
  .process-phases { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .split, .split--wide-left, .split--wide-right, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .sticky-col { position: static; }
  .ref-layout { grid-template-columns: minmax(0, 1fr); }
  .ref-index { position: static; }
  .ref-index ol { grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); column-gap: 1.5rem; }
  .cta-band .container { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .footer-top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .legal { grid-template-columns: minmax(0, 1fr); }
  .featured-refs { grid-template-columns: minmax(0, 1fr); }
  .featured-ref, .featured-ref + .featured-ref { padding: 1.5rem 0; border-left: 0; border-bottom: 1px solid var(--line-dark); }
}
@media (max-width: 760px) {
  body { font-size: 1rem; }
  .modes, .next-links { grid-template-columns: minmax(0, 1fr); }
  .mode, .mode + .mode, .next-link, .next-link + .next-link { padding: 1.75rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .mode:first-child { padding-top: 1.75rem; }
  .values, .missions, .points, .moments { grid-template-columns: minmax(0, 1fr); }
  .value, .value:nth-child(even) { padding: 1.5rem 0; border-left: 0; }
  .moment + .moment { border-left: 0; border-top: 1px solid var(--line); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; padding-right: 0; }
  .step { grid-template-columns: 4.5rem 1fr; column-gap: 1rem; }
  .step-pr { grid-row: span 2; padding-top: .2rem; }
  .road { display: none; }
  .phase { padding-top: 1.25rem; border-top: 1px solid var(--line-dark); }
  .phase-head { padding-right: 0; margin-bottom: 1.25rem; }
  .carbon-span { grid-template-columns: minmax(0, 1fr); }
  .ledger li { grid-template-columns: minmax(0, 1fr); }
  .cartouche-row { grid-template-columns: minmax(0, 1fr); gap: .35rem; }
  .cartouche-head span:last-child { display: none; }
  .hero-art { opacity: .4; }
  .form-row { grid-template-columns: minmax(0, 1fr); }
  .form { padding: 1.5rem 1.25rem; }
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-col--contact { grid-column: 1 / -1; }
  .footer-brand img { width: 220px; }
  .map-card { grid-template-columns: minmax(0, 1fr); }
  .note { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
  .legal-body dl { grid-template-columns: minmax(0, 1fr); }
  .legal-body dt { border-bottom: 0; padding-bottom: 0; }
  .hero-refs .container { gap: 1rem; }
  .ref-names { gap: .4rem 1.4rem; }
  .ref-names li { font-size: .8125rem; }
  .actions .btn { width: 100%; justify-content: space-between; }
  .btn { white-space: normal; text-align: left; line-height: 1.3; padding-block: .85rem; }
  .actions { gap: 1rem; }
}
@media (max-width: 420px) {
  .figures { grid-template-columns: minmax(0, 1fr); }
  .figure, .figure + .figure { padding: 1.5rem 0; border-left: 0; margin-top: 0; }
  .figure + .figure { border-top: 1px solid var(--line); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
}