/* ==========================================================================
   TERRA TECH GUINÉE — Feuille de style principale
   Charte issue de la présentation institutionnelle V4
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs de marque */
  --ink:        #0A2A1E;
  --ink-2:      #113626;
  --ink-3:      #1D4B36;
  --green:      #009460;
  --green-dk:   #0E4732;
  --gold:       #B8912F;
  --gold-lt:    #D8B85A;
  --slate:      #3E4F47;
  --slate-lt:   #7C8C84;
  --line:       #D6E0DA;
  --line-2:     #CBDCD3;
  --mist:       #EDF2EE;
  --paper:      #F5F8F6;
  --white:      #FFFFFF;

  /* Surfaces sombres */
  --on-dark:        rgba(255,255,255,.88);
  --on-dark-mute:   rgba(255,255,255,.62);
  --on-dark-line:   rgba(255,255,255,.14);

  /* Typographie */
  --ff-display: "Manrope", "Segoe UI", Arial, sans-serif;
  --ff-text:    "Inter", "Segoe UI", Arial, sans-serif;

  --fs-hero:  clamp(2.4rem, 1.35rem + 4.1vw, 5rem);
  --fs-h1:    clamp(2rem, 1.35rem + 2.6vw, 3.5rem);
  --fs-h2:    clamp(1.6rem, 1.2rem + 1.7vw, 2.6rem);
  --fs-h3:    clamp(1.15rem, 1rem + .6vw, 1.5rem);
  --fs-lead:  clamp(1.02rem, .96rem + .4vw, 1.25rem);
  --fs-body:  1rem;
  --fs-sm:    .9rem;
  --fs-xs:    .78rem;

  /* Rythme */
  --gutter:   clamp(20px, 5vw, 40px);
  --maxw:     1200px;
  --maxw-nar: 860px;
  --sec-y:    clamp(64px, 8vw, 124px);

  --r-sm: 6px;
  --r:    12px;
  --r-lg: 20px;

  --sh-1: 0 1px 2px rgba(10,42,30,.05), 0 6px 20px -12px rgba(10,42,30,.25);
  --sh-2: 0 2px 6px rgba(10,42,30,.06), 0 24px 48px -28px rgba(10,42,30,.35);

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

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

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

body {
  margin: 0;
  background: var(--white);
  color: var(--slate);
  font-family: var(--ff-text);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 0 0 .6em;
  font-weight: 800;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -.01em; }
h4 { font-size: 1.02rem; letter-spacing: -.005em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--green-dk); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--green); }

img { max-width: 100%; display: block; height: auto; }

ul { margin: 0; padding: 0; list-style: none; }

strong { color: var(--ink); font-weight: 650; }

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

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* --------------------------------------------------------------------------
   3. Utilitaires de mise en page
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--maxw-nar); }

.section { padding-block: var(--sec-y); position: relative; }
.section--tight { padding-block: clamp(44px, 5vw, 76px); }

.section--paper { background: var(--paper); }
.section--mist  { background: var(--mist); }

.section--dark {
  background: var(--ink);
  color: var(--on-dark);
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark strong { color: #fff; }
.section--dark a { color: var(--gold-lt); }

.section--topo::before {
  content: "";
  position: absolute; inset: 0;
  background: url("../img/img4.jpg") center/cover no-repeat;
  opacity: .55;
  pointer-events: none;
}
.section--topo > * { position: relative; z-index: 1; }

.section--topo-light::before {
  content: "";
  position: absolute; inset: 0;
  background: url("../img/img3.jpg") center/cover no-repeat;
  opacity: .8;
  pointer-events: none;
}
.section--topo-light > * { position: relative; z-index: 1; }

.stack > * + * { margin-top: clamp(28px, 4vw, 52px); }

/* Grilles */
.grid { display: grid; gap: clamp(18px, 2.4vw, 30px); }
.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--sidebar { grid-template-columns: minmax(0,1fr) minmax(0,1.15fr); align-items: start; gap: clamp(28px, 4vw, 64px); }

@media (max-width: 980px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   4. Éléments de texte
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 18px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--gold); flex: none;
}
.section--dark .eyebrow { color: var(--gold-lt); }
.section--dark .eyebrow::before { background: var(--gold); }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--slate);
  max-width: 68ch;
}
.section--dark .lead { color: var(--on-dark); }

.muted { color: var(--slate-lt); }
.section--dark .muted { color: var(--on-dark-mute); }

.section-head { max-width: 72ch; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* Citation / assertion de bas de section */
.assert {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 22px;
  font-family: var(--ff-display);
  font-size: clamp(1.02rem, .95rem + .45vw, 1.3rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  letter-spacing: -.01em;
}
.section--dark .assert { color: #fff; border-color: var(--gold); }

.assert--center {
  border: 0;
  border-top: 1px solid var(--line);
  padding: clamp(26px,3vw,40px) 0 0;
  text-align: center;
  max-width: 80ch; margin-inline: auto;
}
.section--dark .assert--center { border-color: var(--on-dark-line); }

/* --------------------------------------------------------------------------
   5. Boutons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--ff-display);
  font-size: .95rem; font-weight: 700; letter-spacing: -.005em;
  padding: 14px 26px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { background: var(--green-dk); color: #fff; transform: translateY(-1px); }
.btn svg { flex: none; }

.btn--gold { background: var(--gold); color: var(--ink); }
.btn--gold:hover { background: var(--gold-lt); color: var(--ink); }

.btn--ghost {
  background: transparent; color: var(--ink); border-color: var(--line);
}
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.btn--ghost-light {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.34);
}
.btn--ghost-light:hover { background: #fff; color: var(--ink); border-color: #fff; }

.btn--sm { padding: 10px 18px; font-size: .86rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--ff-display); font-weight: 700; font-size: .92rem;
  color: var(--green-dk); text-decoration: none;
}
.arrow-link::after {
  content: "→"; transition: transform .25s var(--ease); display: inline-block;
}
.arrow-link:hover::after { transform: translateX(5px); }
.section--dark .arrow-link { color: var(--gold-lt); }

/* --------------------------------------------------------------------------
   6. En-tête / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: transparent;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-solid,
.site-header.is-open {
  background: var(--ink);
  border-bottom-color: var(--on-dark-line);
  box-shadow: 0 10px 40px -24px rgba(0,0,0,.8);
}
/* Pages intérieures : bandeau toujours plein */
body.has-solid-header .site-header { background: var(--ink); border-bottom-color: var(--on-dark-line); }

.header-inner {
  display: flex; align-items: center; gap: 24px;
  min-height: 76px;
}

.brand {
  display: inline-flex; align-items: center;
  text-decoration: none; flex: none;
}
.brand img {
  height: 40px; width: auto; display: block;
}
@media (max-width: 560px) {
  .brand img { height: 32px; }
}

.nav { margin-left: auto; }
.nav ul { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 30px); }
.nav a {
  font-family: var(--ff-display);
  font-size: .92rem; font-weight: 600;
  color: var(--on-dark); text-decoration: none;
  padding: 8px 0; position: relative; white-space: nowrap;
  transition: color .2s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 2px;
  height: 2px; background: var(--gold);
  transition: right .3s var(--ease);
}
.nav a:hover { color: #fff; }
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }
.nav a[aria-current="page"] { color: #fff; }

.nav-cta { flex: none; }

.burger {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  background: transparent; border: 1px solid rgba(255,255,255,.26);
  border-radius: var(--r-sm); cursor: pointer;
  padding: 0; place-items: center;
}
.burger span {
  display: block; width: 19px; height: 1.5px; background: #fff; margin: 3.5px auto;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.site-header.is-open .burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-header.is-open .burger span:nth-child(2) { opacity: 0; }
.site-header.is-open .burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1040px) {
  .burger { display: grid; }
  .nav {
    position: fixed; inset: 76px 0 auto 0;
    background: var(--ink);
    border-bottom: 1px solid var(--on-dark-line);
    padding: 8px var(--gutter) 28px;
    margin: 0;
    display: none;
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
  }
  .site-header.is-open .nav { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav li { border-bottom: 1px solid var(--on-dark-line); }
  .nav a { display: block; padding: 16px 0; font-size: 1.02rem; }
  .nav a::after { display: none; }
  .nav-cta { display: none; }
  .nav .nav-cta-mobile { display: inline-flex; margin-top: 22px; width: 100%; }
}
@media (min-width: 1041px) {
  .nav .nav-cta-mobile { display: none; }
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: clamp(140px, 17vw, 210px) 0 clamp(70px, 8vw, 110px);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0; z-index: -2;
  background: url("../img/img1.jpg") center right/cover no-repeat;
}
.hero__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(105deg, var(--ink) 4%, rgba(10,42,30,.94) 38%, rgba(10,42,30,.58) 72%, rgba(10,42,30,.5) 100%);
}
.hero__inner { max-width: 900px; }

.hero h1 {
  font-size: var(--fs-hero);
  color: #fff;
  letter-spacing: -.035em;
  line-height: 1.02;
  margin-bottom: .38em;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-lt);
  display: block;
}
.hero .lead { color: rgba(255,255,255,.82); max-width: 60ch; }
.hero .btn-row { margin-top: clamp(28px, 3.5vw, 42px); }

.hero-tags {
  margin-top: clamp(46px, 6vw, 76px);
  padding-top: 26px;
  border-top: 1px solid var(--on-dark-line);
  display: flex; flex-wrap: wrap; gap: 10px 28px;
}
.hero-tags li {
  font-family: var(--ff-display);
  font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.66);
  display: flex; align-items: center; gap: 12px;
}
.hero-tags li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex: none;
}

/* Hero des pages intérieures */
.page-hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: clamp(120px, 14vw, 170px) 0 clamp(48px, 6vw, 76px);
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("../img/img5.jpg") center/cover no-repeat;
  opacity: .9;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, var(--ink) 10%, rgba(10,42,30,.72) 100%);
}
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero .lead { color: rgba(255,255,255,.8); }

.crumbs {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase;
  font-family: var(--ff-display); font-weight: 600;
  color: rgba(255,255,255,.5);
  margin-bottom: 22px;
}
.crumbs a { color: rgba(255,255,255,.7); text-decoration: none; }
.crumbs a:hover { color: #fff; }
.crumbs span::before { content: "/"; margin-right: 8px; color: rgba(255,255,255,.32); }

/* Sommaire de page */
.page-toc {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: clamp(30px, 4vw, 44px);
  padding-top: 26px;
  border-top: 1px solid var(--on-dark-line);
}
.page-toc a {
  font-family: var(--ff-display); font-size: .82rem; font-weight: 600;
  color: rgba(255,255,255,.74); text-decoration: none;
  padding: 8px 15px; border: 1px solid rgba(255,255,255,.2); border-radius: 100px;
  transition: all .22s var(--ease);
}
.page-toc a:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* --------------------------------------------------------------------------
   8. Cartes
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(24px, 2.6vw, 34px);
  position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
  border-color: var(--line-2);
}
.card h3 { margin-bottom: .5em; }
.card p:last-child { margin-bottom: 0; }
.card > .num { margin-bottom: 18px; }

.card--flat { background: var(--paper); border-color: transparent; }
.card--dark {
  background: rgba(255,255,255,.045);
  border-color: var(--on-dark-line);
  color: var(--on-dark);
}
.card--dark h3, .card--dark h4 { color: #fff; }

.card--link { text-decoration: none; display: block; color: inherit; }
.card--link:hover { color: inherit; }

.num {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--ff-display); font-size: .8rem; font-weight: 800;
  letter-spacing: .06em;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--mist); color: var(--green-dk);
  border: 1px solid var(--line-2);
}
.card--dark .num, .section--dark .num {
  background: rgba(216,184,90,.13); color: var(--gold-lt); border-color: rgba(216,184,90,.3);
}

.card__topline { height: 3px; width: 42px; background: var(--gold); border-radius: 3px; margin-bottom: 22px; }

/* Liste à puces "check" */
.ticks li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 11px;
  font-size: var(--fs-sm);
  line-height: 1.55;
}
.ticks li:last-child { margin-bottom: 0; }
.ticks li::before {
  content: "";
  position: absolute; left: 2px; top: .55em;
  width: 9px; height: 9px;
  border-left: 1.8px solid var(--green);
  border-bottom: 1.8px solid var(--green);
  transform: rotate(-45deg) translateY(-2px);
}
.section--dark .ticks li::before,
.card--dark .ticks li::before { border-color: var(--gold-lt); }

/* Liste à tirets */
.dashes li {
  position: relative; padding-left: 20px; margin-bottom: 10px;
  font-size: var(--fs-sm); line-height: 1.55;
}
.dashes li::before {
  content: ""; position: absolute; left: 0; top: .78em;
  width: 10px; height: 1.5px; background: var(--gold);
}
.dashes li:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   9. Blocs spécifiques
   -------------------------------------------------------------------------- */

/* Piliers numérotés (socle technologique) */
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(26px, 2.8vw, 36px);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.pillar__idx {
  font-family: var(--ff-display); font-weight: 800;
  font-size: 3.4rem; line-height: 1;
  color: var(--mist);
  position: absolute; top: 14px; right: 20px;
  letter-spacing: -.04em;
}
.pillar__kicker {
  font-family: var(--ff-display); font-size: var(--fs-xs); font-weight: 800;
  letter-spacing: .18em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 14px;
}
.pillar h3 { margin-bottom: .55em; max-width: 16ch; }

/* Chaîne / process horizontal */
.chain { display: grid; gap: 0; grid-template-columns: repeat(4, 1fr); }
.chain--3 { grid-template-columns: repeat(3, 1fr); }
.chain__step {
  padding: clamp(22px, 2.4vw, 32px);
  border: 1px solid var(--line);
  border-right-width: 0;
  background: #fff;
}
.chain__step:first-child { border-radius: var(--r) 0 0 var(--r); }
.chain__step:last-child { border-right-width: 1px; border-radius: 0 var(--r) var(--r) 0; }
.chain__step h4 { color: var(--ink); margin-bottom: .55em; }
.chain__step p { font-size: var(--fs-sm); margin: 0; }
.chain__num {
  font-family: var(--ff-display); font-size: var(--fs-xs); font-weight: 800;
  letter-spacing: .18em; text-transform: uppercase; color: var(--green);
  display: block; margin-bottom: 12px;
}
.section--dark .chain__step { background: rgba(255,255,255,.04); border-color: var(--on-dark-line); color: var(--on-dark); }
.section--dark .chain__num { color: var(--gold-lt); }
@media (max-width: 900px) {
  .chain, .chain--3 { grid-template-columns: 1fr; }
  .chain__step { border-right-width: 1px; border-bottom-width: 0; border-radius: 0; }
  .chain__step:first-child { border-radius: var(--r) var(--r) 0 0; }
  .chain__step:last-child { border-bottom-width: 1px; border-radius: 0 0 var(--r) var(--r); }
}

/* Méthodologie 360° — cycle */
.cycle { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px,2.2vw,26px); counter-reset: step; }
.cycle__item {
  position: relative;
  padding: 28px 26px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.cycle__item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -15px; left: 26px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: #fff;
  font-family: var(--ff-display); font-weight: 800; font-size: .82rem;
  display: grid; place-items: center;
}
.cycle__item h4 { margin-bottom: .5em; }
.cycle__item p { font-size: var(--fs-sm); margin: 0; }
@media (max-width: 900px) { .cycle { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cycle { grid-template-columns: 1fr; } }

/* Tableau de différenciation */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.compare th, .compare td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare thead th {
  font-family: var(--ff-display); font-size: var(--fs-xs);
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--slate-lt); font-weight: 700;
  background: var(--paper);
  white-space: nowrap;
}
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare tbody th { font-weight: 650; color: var(--ink); font-family: var(--ff-text); }
.compare tbody th small {
  display: block; font-weight: 400; color: var(--slate); font-size: .86em;
  margin-top: 5px; line-height: 1.5; max-width: 52ch;
}
.compare .col-us, .compare .col-them { text-align: center; width: 170px; }
.compare .yes { color: var(--green); font-size: 1.15rem; font-weight: 700; }
.compare .no  { color: var(--line-2); font-size: 1.15rem; }
.compare thead .col-us { color: var(--green-dk); background: var(--mist); }
.compare tbody td.col-us { background: rgba(0,148,96,.035); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap .compare { min-width: 680px; }

/* Frise / trajectoire */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px,2.5vw,32px); }
.timeline__item {
  border-top: 2px solid var(--on-dark-line);
  padding-top: 26px;
  position: relative;
}
.timeline__item::before {
  content: ""; position: absolute; top: -6px; left: 0;
  width: 10px; height: 10px; border-radius: 50%; background: var(--gold);
}
.timeline__phase {
  font-family: var(--ff-display); font-size: var(--fs-xs); font-weight: 800;
  letter-spacing: .16em; text-transform: uppercase; color: var(--gold-lt);
  margin-bottom: 12px;
}
.timeline__item h3 { color: #fff; margin-bottom: .5em; }
.timeline__item p { font-size: var(--fs-sm); color: var(--on-dark-mute); margin: 0; }
@media (max-width: 860px) { .timeline { grid-template-columns: 1fr; } }

/* Bandeau de valeurs / équation */
.equation {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px 14px;
  margin-bottom: clamp(32px,4vw,48px);
}
.equation li {
  font-family: var(--ff-display); font-weight: 800;
  font-size: clamp(.95rem, .85rem + .5vw, 1.35rem);
  letter-spacing: -.01em;
  color: #fff;
  padding: 10px 20px;
  border: 1px solid var(--on-dark-line);
  border-radius: 100px;
  background: rgba(255,255,255,.05);
}
.equation li.op {
  border: 0; background: none; color: var(--gold); padding: 0 2px;
}

/* Domaines / capacités en mosaïque compacte */
.tiles { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.tiles > div { background: #fff; padding: clamp(20px,2.2vw,28px); }
.tiles h4 { margin-bottom: .45em; font-size: .98rem; }
.tiles p { font-size: var(--fs-sm); margin: 0; color: var(--slate); }
.tiles__ico { color: var(--green); margin-bottom: 14px; display: block; }
@media (max-width: 1000px) { .tiles { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .tiles { grid-template-columns: 1fr; } }

/* Mots-clés savoir-faire */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips li {
  font-family: var(--ff-display); font-size: .86rem; font-weight: 600;
  padding: 9px 17px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  background: #fff;
  color: var(--ink);
}
.section--dark .chips li { background: rgba(255,255,255,.06); border-color: var(--on-dark-line); color: #fff; }

/* Encadré d'appui (aside) */
.callout {
  background: var(--ink);
  color: var(--on-dark);
  border-radius: var(--r);
  padding: clamp(26px, 3vw, 38px);
}
.callout h3 { color: #fff; }
.callout .eyebrow { color: var(--gold-lt); }
.callout--gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-lt) 100%);
  color: var(--ink);
}
.callout--gold h3, .callout--gold .eyebrow { color: var(--ink); }
.callout--gold .eyebrow::before { background: var(--ink); }
.callout--outline {
  background: var(--paper); color: var(--slate); border: 1px solid var(--line);
}
.callout--outline h3 { color: var(--ink); }

/* Statistiques d'impact (qualitatives) */
.impact { display: grid; grid-template-columns: repeat(4,1fr); gap: clamp(20px,2.4vw,30px); }
.impact__item { border-top: 2px solid var(--gold); padding-top: 22px; }
.impact__item h4 { margin-bottom: .5em; }
.impact__item p { font-size: var(--fs-sm); margin: 0; }
@media (max-width: 980px) { .impact { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .impact { grid-template-columns: 1fr; } }

/* Média + texte */
.media-figure {
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}
.media-figure img { width: 100%; }

/* CTA final */
.cta-band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("../img/img5.jpg") center/cover no-repeat; opacity: .85;
}
.cta-band h2 { color: #fff; font-size: var(--fs-h1); max-width: 16ch; }
.cta-band .lead { color: rgba(255,255,255,.8); }

/* --------------------------------------------------------------------------
   10. Formulaire
   -------------------------------------------------------------------------- */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label {
  font-family: var(--ff-display); font-size: .84rem; font-weight: 700;
  letter-spacing: .04em; color: var(--ink);
}
.field label .req { color: var(--green); }
.field input, .field select, .field textarea {
  font-family: var(--ff-text); font-size: .96rem;
  color: var(--ink);
  padding: 13px 15px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: #fff;
  width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,148,96,.13);
}
.field--half { }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: var(--fs-xs); color: var(--slate-lt); }
.form-status {
  font-size: var(--fs-sm);
  padding: 13px 16px;
  border-radius: var(--r-sm);
  background: var(--mist);
  border: 1px solid var(--line-2);
  display: none;
}
.form-status.is-visible { display: block; }

/* Coordonnées */
.contact-list li {
  display: flex; gap: 15px; align-items: flex-start;
  padding: 17px 0;
  border-bottom: 1px solid var(--on-dark-line);
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list .ico { color: var(--gold-lt); flex: none; margin-top: 3px; }
.contact-list .k {
  display: block; font-family: var(--ff-display); font-size: var(--fs-xs);
  letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-mute);
  margin-bottom: 3px;
}
.contact-list .v { color: #fff; font-size: .98rem; }
.contact-list a.v { text-decoration: none; }
.contact-list a.v:hover { color: var(--gold-lt); }

/* --------------------------------------------------------------------------
   11. Pied de page
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink-2);
  color: var(--on-dark-mute);
  font-size: var(--fs-sm);
  padding-top: clamp(52px, 6vw, 82px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(28px, 3.4vw, 50px);
  padding-bottom: clamp(40px, 5vw, 62px);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo { max-width: 210px; height: auto; margin-bottom: 22px; }
.site-footer h4 {
  color: #fff; font-size: var(--fs-xs); letter-spacing: .16em;
  text-transform: uppercase; margin-bottom: 18px; font-weight: 700;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: var(--on-dark-mute); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--on-dark-line);
  padding-block: 22px;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: var(--fs-xs);
}

/* --------------------------------------------------------------------------
   12. Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

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

/* --------------------------------------------------------------------------
   13. Impression
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .burger, .cta-band, .btn, .page-toc { display: none !important; }
  body { color: #000; }
  .hero, .page-hero, .section--dark { background: #fff !important; color: #000 !important; }
  .hero__bg, .hero__veil, .page-hero::before, .page-hero::after { display: none !important; }
  .hero h1, .page-hero h1, .section--dark h2, .section--dark h3 { color: #000 !important; }
}

/* --------------------------------------------------------------------------
   14. Ajustements de contraste
   -------------------------------------------------------------------------- */
.callout--gold .ticks li::before { border-color: var(--ink); }
.callout--gold .ticks li { color: var(--ink); }
.callout--gold a { color: var(--ink); }
.pillar p { color: var(--slate); }
a.pillar h3 { color: var(--ink); }
a.pillar:hover h3 { color: var(--green-dk); }