/* ============================================================
   ALTAIR — Style Squarespace / binnov.ca
   style.css v3
   ============================================================ */

:root {
  --noir:      #0A0A0A;
  --fonce:     #1A1A2E;
  --bleu:      #0E4C8A;
  --accent:    #0EA5E9;
  --blanc:     #FFFFFF;
  --creme:     #F8F7F4;
  --gris:      #6B7280;
  --bord:      #E5E7EB;
  --police: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --max: 1200px;
  --r: 4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--police);
  color: var(--noir);
  background: var(--blanc);
  line-height: 1.7;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.4em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ── TYPOGRAPHIE ────────────────────────────────────────────── */
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 800; line-height: 1.08; letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); font-weight: 700; line-height: 1.25; letter-spacing: -.02em; }
h4 { font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }

.grand-texte {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.75; color: var(--gris);
  max-width: 60ch;
}

/* ── MISE EN PAGE ───────────────────────────────────────────── */
.conteneur {
  width: 100%; max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}
.contenu-principal { flex: 1; }

.grille-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.grille-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 2rem;
}
.grille-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1.5rem;
}

/* ── NAVIGATION ─────────────────────────────────────────────── */
.entete {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding-block: 1.25rem;
  transition: background .3s, box-shadow .3s;
}
.entete.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.entete__interieur {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.logo {
  font-size: 1.35rem; font-weight: 900; letter-spacing: .08em;
  text-transform: uppercase; color: var(--blanc);
  transition: color .3s;
  text-decoration: none;
  display: flex; flex-direction: column; line-height: 1;
}
.entete.scrolled .logo { color: var(--noir); }
.logo__sous {
  font-size: .55rem; font-weight: 500; letter-spacing: .2em;
  color: rgba(255,255,255,.6); text-transform: uppercase; margin-top: 2px;
}
.entete.scrolled .logo__sous { color: var(--gris); }

.nav__liste {
  list-style: none; padding: 0;
  display: flex; align-items: center; gap: 2.5rem;
}
.nav__lien {
  font-size: .88rem; font-weight: 500;
  color: rgba(255,255,255,.85);
  text-decoration: none; letter-spacing: .01em;
  transition: color .2s;
}
.entete.scrolled .nav__lien { color: var(--noir); }
.nav__lien:hover, .nav__lien--actif { color: var(--blanc); }
.entete.scrolled .nav__lien:hover,
.entete.scrolled .nav__lien--actif { color: var(--accent); }

.nav__langue {
  font-size: .78rem; font-weight: 700; letter-spacing: .08em;
  color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.3);
  padding: .25em .65em; border-radius: 2px;
  transition: all .2s; text-decoration: none;
}
.entete.scrolled .nav__langue { color: var(--noir); border-color: var(--bord); }
.nav__langue:hover { background: rgba(255,255,255,.1); color: var(--blanc); }
.entete.scrolled .nav__langue:hover { background: var(--noir); color: var(--blanc); border-color: var(--noir); }

.nav__menu-btn {
  display: none; background: none; border: none; cursor: pointer; padding: .4rem;
}
.nav__menu-btn span {
  display: block; width: 22px; height: 1.5px;
  background: var(--blanc); margin: 5px 0; transition: .25s;
}
.entete.scrolled .nav__menu-btn span { background: var(--noir); }

@media (max-width: 768px) {
  .nav__menu-btn { display: block; }
  .nav__liste {
    display: none; flex-direction: column; align-items: flex-start;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--blanc); padding: 1.5rem 2rem; gap: 1.25rem;
    box-shadow: 0 8px 32px rgba(0,0,0,.12);
  }
  .nav__liste.ouvert { display: flex; }
  .nav__liste .nav__lien { color: var(--noir) !important; font-size: 1rem; }
  .nav__liste .nav__langue { color: var(--noir) !important; border-color: var(--bord) !important; }
}

/* ── HÉRO ───────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
}

/* Fond CSS simulant une photo marine */
.hero__fond {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(2,10,25,.45) 0%, rgba(2,10,25,.55) 60%, rgba(2,10,25,.8) 100%),
    linear-gradient(160deg, #020F28 0%, #0B2545 30%, #0E4C8A 60%, #0369A1 80%, #075985 100%);
}
/* Vague en filigrane */
.hero__fond::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='600'%3E%3Cpath d='M0 300 Q150 260 300 300 Q450 340 600 300 Q750 260 900 300 Q1050 340 1200 300' fill='none' stroke='rgba(255,255,255,.04)' stroke-width='2'/%3E%3Cpath d='M0 350 Q200 310 400 350 Q600 390 800 350 Q1000 310 1200 350' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='2'/%3E%3Cpath d='M0 400 Q150 360 300 400 Q450 440 600 400 Q750 360 900 400 Q1050 440 1200 400' fill='none' stroke='rgba(255,255,255,.03)' stroke-width='1.5'/%3E%3Ccircle cx='800' cy='200' r='180' fill='rgba(14,165,233,.06)'/%3E%3Ccircle cx='300' cy='400' r='120' fill='rgba(56,189,248,.04)'/%3E%3C/svg%3E");
  background-size: cover; background-position: center;
}

/* Emplacement pour vraie photo */
.hero__photo {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}

.hero__contenu {
  position: relative; z-index: 1;
  padding-block: clamp(6rem, 12vw, 10rem);
  padding-top: calc(clamp(6rem, 12vw, 10rem) + 70px);
}

.hero h1 { color: var(--blanc); margin-bottom: 1.5rem; max-width: 800px; }
.hero .grand-texte { color: rgba(255,255,255,.82); margin-bottom: 2.5rem; }

/* ── BOUTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-block; font-family: var(--police);
  font-size: .85rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; text-decoration: none;
  padding: .9em 2.2em; border-radius: var(--r);
  border: 2px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--blanc {
  background: var(--blanc); color: var(--noir); border-color: var(--blanc);
}
.btn--blanc:hover { background: rgba(255,255,255,.88); }

.btn--contour-blanc {
  background: transparent; color: var(--blanc); border-color: rgba(255,255,255,.55);
}
.btn--contour-blanc:hover { background: rgba(255,255,255,.1); border-color: var(--blanc); }

.btn--noir {
  background: var(--noir); color: var(--blanc); border-color: var(--noir);
}
.btn--noir:hover { background: #2a2a2a; }

.btn--contour-noir {
  background: transparent; color: var(--noir); border-color: var(--noir);
}
.btn--contour-noir:hover { background: var(--noir); color: var(--blanc); }

.btn--accent {
  background: var(--accent); color: var(--blanc); border-color: var(--accent);
}
.btn--accent:hover { background: #0284C7; border-color: #0284C7; color: var(--blanc); }

.groupe-btns { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ── SECTION STANDARD ───────────────────────────────────────── */
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.section--creme { background: var(--creme); }
.section--foncee {
  background: var(--fonce); color: rgba(255,255,255,.85);
}
.section--foncee h1,
.section--foncee h2,
.section--foncee h3 { color: var(--blanc); }
.section--foncee h4 { color: rgba(255,255,255,.45); }
.section--foncee .grand-texte { color: rgba(255,255,255,.7); }
.section--noire {
  background: var(--noir); color: rgba(255,255,255,.8);
}
.section--noire h2, .section--noire h3 { color: var(--blanc); }

/* ── IMAGE PLACEHOLDER ──────────────────────────────────────── */
.img-placeholder {
  position: relative;
  overflow: hidden;
  border-radius: var(--r);
}

/* Placeholder USV — surface ocean */
.img-usv {
  background:
    linear-gradient(to bottom, rgba(2,10,25,.2) 0%, rgba(2,10,25,.1) 40%, rgba(2,10,25,.0) 60%),
    linear-gradient(165deg, #0369A1 0%, #0EA5E9 40%, #38BDF8 60%, #7DD3FC 80%, #E0F2FE 100%);
  min-height: 480px;
}
.img-usv::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; top: 60%;
  background: linear-gradient(to bottom, transparent, rgba(3,105,161,.6));
}
.img-usv::after {
  content: '';
  position: absolute; bottom: 25%; left: 0; right: 0; height: 2px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,.3) 0%, rgba(255,255,255,.3) 40px, transparent 40px, transparent 80px);
  animation: vague 3s linear infinite;
}

/* Placeholder ROV — fond marin */
.img-rov {
  background:
    radial-gradient(ellipse 50% 40% at 30% 50%, rgba(14,165,233,.25) 0%, transparent 60%),
    linear-gradient(160deg, #020818 0%, #051535 30%, #071D4A 60%, #0A2560 100%);
  min-height: 480px;
}
.img-rov::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle 1px at 20% 30%, rgba(255,255,255,.4) 0%, transparent 100%),
    radial-gradient(circle 1px at 70% 20%, rgba(255,255,255,.3) 0%, transparent 100%),
    radial-gradient(circle 1px at 45% 70%, rgba(255,255,255,.3) 0%, transparent 100%),
    radial-gradient(circle 1px at 85% 60%, rgba(255,255,255,.2) 0%, transparent 100%),
    radial-gradient(circle 2px at 15% 75%, rgba(56,189,248,.4) 0%, transparent 100%);
}

@keyframes vague {
  from { background-position-x: 0; }
  to   { background-position-x: 80px; }
}

/* Placeholder générique sombre */
.img-ocean {
  background: linear-gradient(160deg, #051535 0%, #0A2560 50%, #0E4C8A 100%);
  min-height: 500px;
}

.img-horizon {
  background: linear-gradient(to bottom, #E0F2FE 0%, #7DD3FC 30%, #38BDF8 55%, #0EA5E9 70%, #0369A1 85%, #0B2545 100%);
  min-height: 500px;
}

.placeholder-label {
  position: absolute; bottom: 1.25rem; left: 1.25rem;
  background: rgba(0,0,0,.55); color: rgba(255,255,255,.85);
  font-size: .72rem; font-family: "SF Mono", Consolas, monospace;
  padding: .3em .75em; border-radius: 2px;
  letter-spacing: .04em;
}

/* ── SECTION CARTES GAMMES (style binnov axes) ───────────────── */
.cartes-axes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: 2px;
}

.carte-axe {
  position: relative; overflow: hidden;
  cursor: pointer; min-height: 520px;
  display: flex; align-items: flex-end;
}

.carte-axe__fond {
  position: absolute; inset: 0;
  transition: transform .6s cubic-bezier(.25,.46,.45,.94);
  background-size: cover; background-position: center;
}
.carte-axe:hover .carte-axe__fond { transform: scale(1.04); }

.carte-axe__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.3) 50%, rgba(0,0,0,.1) 100%);
  transition: background .4s;
}
.carte-axe:hover .carte-axe__overlay {
  background: linear-gradient(to top, rgba(0,0,0,.9) 0%, rgba(0,0,0,.5) 60%, rgba(0,0,0,.2) 100%);
}

.carte-axe__contenu {
  position: relative; z-index: 1;
  padding: 2.5rem;
  transform: translateY(12px); transition: transform .35s;
}
.carte-axe:hover .carte-axe__contenu { transform: translateY(0); }

.carte-axe__type {
  font-size: .68rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: .5rem;
}
.carte-axe h3 { color: var(--blanc); margin-bottom: .75rem; font-size: 1.4rem; }
.carte-axe p { color: rgba(255,255,255,.75); font-size: .92rem; margin-bottom: 1.25rem; }

.carte-axe__lien {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--blanc);
  opacity: 0; transform: translateY(8px);
  transition: opacity .3s, transform .3s;
}
.carte-axe:hover .carte-axe__lien { opacity: 1; transform: translateY(0); }
.carte-axe__lien::after { content: '→'; }

/* ── SECTION TEXTE LARGE (mission) ──────────────────────────── */
.section-mission .grand-texte {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--noir); line-height: 1.8;
  max-width: 70ch;
}

/* ── PROJET RÉCENT ──────────────────────────────────────────── */
.projet-recent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}
@media (max-width: 768px) { .projet-recent { grid-template-columns: 1fr; } }

.projet-recent__image {
  position: relative; overflow: hidden; min-height: 400px;
}
.projet-recent__image-fond {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform .8s cubic-bezier(.25,.46,.45,.94);
}
.projet-recent:hover .projet-recent__image-fond { transform: scale(1.03); }

.projet-recent__texte {
  padding: clamp(2.5rem, 5vw, 4rem);
  display: flex; flex-direction: column; justify-content: center;
  background: var(--creme);
}
.projet-recent__texte h4 { margin-bottom: .75rem; }
.projet-recent__texte h3 { margin-bottom: 1rem; }
.projet-recent__texte p { color: var(--gris); font-size: .95rem; margin-bottom: 1.5rem; }

/* ── LISTE ENGAGEMENTS ──────────────────────────────────────── */
.liste-engagements {
  list-style: none; padding: 0;
  display: grid; gap: 1.25rem;
}
.liste-engagements li {
  display: flex; align-items: flex-start; gap: 1rem;
  font-size: 1.05rem; color: rgba(255,255,255,.85);
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.liste-engagements li:last-child { border-bottom: none; padding-bottom: 0; }
.liste-engagements li::before {
  content: '';
  display: block; flex-shrink: 0;
  width: 20px; height: 20px; margin-top: 3px;
  border: 2px solid var(--accent); border-radius: 50%;
  background: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2.5 2.5L8 3' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ── SECTION CONTACT SIMPLE ─────────────────────────────────── */
.section-contact-simple {
  background: var(--noir);
  padding-block: clamp(5rem, 10vw, 9rem);
  text-align: center;
}
.section-contact-simple h2 { color: var(--blanc); margin-bottom: 1rem; }
.section-contact-simple .grand-texte { color: rgba(255,255,255,.65); margin-inline: auto; margin-bottom: 2.5rem; }
.contact-courriel {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem); font-weight: 600;
  color: var(--accent); text-decoration: none; display: inline-block;
  margin-bottom: 2.5rem;
  transition: color .2s;
}
.contact-courriel:hover { color: var(--blanc); }

/* ── FORMULAIRE ─────────────────────────────────────────────── */
.formulaire { display: grid; gap: 1rem; }
.champ { display: flex; flex-direction: column; gap: .35rem; }
.champ label {
  font-size: .75rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--gris);
}
.champ--requis label::after { content: " *"; color: var(--accent); }
.champ input, .champ select, .champ textarea {
  font-family: var(--police); font-size: 1rem; color: var(--noir);
  background: var(--blanc); border: 1px solid var(--bord);
  border-radius: var(--r); padding: .8em 1em; width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.champ input:focus, .champ select:focus, .champ textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}
.champ textarea { min-height: 150px; resize: vertical; }

.grille-champs-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1rem;
}

/* ── SPECS ──────────────────────────────────────────────────── */
.tableau-wrapper {
  border: 1px solid var(--bord); border-radius: var(--r); overflow: hidden;
}
.tableau-titre {
  background: var(--noir); color: var(--blanc);
  padding: .85rem 1.5rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
.tableau-specs { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tableau-specs th, .tableau-specs td {
  padding: .7em 1.5em; border-bottom: 1px solid var(--bord); text-align: left;
}
.tableau-specs th { background: var(--creme); font-weight: 600; color: var(--gris); width: 40%; }
.tableau-specs tr:last-child th, .tableau-specs tr:last-child td { border-bottom: none; }
.tableau-specs tr:hover td, .tableau-specs tr:hover th { background: #F0F7FF; }

/* ── COORDONNÉES ────────────────────────────────────────────── */
.coord-bloc { display: grid; gap: 1.5rem; }
.coord-item { display: flex; flex-direction: column; gap: .2rem; }
.coord-type {
  font-size: .7rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--accent);
}
.coord-val { font-size: 1rem; }
.coord-val a { color: var(--noir); }
.coord-val a:hover { color: var(--accent); }
.coord-note { font-size: .82rem; color: var(--gris); }

/* ── PARTENAIRES ────────────────────────────────────────────── */
.partenaires-grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 1px; background: var(--bord);
  border: 1px solid var(--bord);
}
.partenaire {
  background: var(--blanc);
  padding: 1.5rem;
  text-align: center;
  font-size: .82rem; font-weight: 600; color: var(--gris);
  transition: background .2s, color .2s;
}
.partenaire:hover { background: var(--creme); color: var(--noir); }

/* ── BANDE ENTÊTE PAGES INTÉRIEURES ─────────────────────────── */
.entete-page {
  position: relative; min-height: 55vh;
  display: flex; align-items: flex-end; overflow: hidden;
  padding-top: 100px;
}
.entete-page__fond {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(2,10,25,.35) 0%, rgba(2,10,25,.65) 100%),
    linear-gradient(160deg, #020F28 0%, #0B2545 40%, #0E4C8A 70%, #075985 100%);
}
.entete-page__fond::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='400'%3E%3Ccircle cx='600' cy='200' r='200' fill='rgba(14,165,233,.07)'/%3E%3Ccircle cx='100' cy='300' r='150' fill='rgba(56,189,248,.05)'/%3E%3C/svg%3E");
  background-size: cover;
}
.entete-page__contenu {
  position: relative; z-index: 1;
  padding-block: 3rem 4rem;
  width: 100%;
}
.entete-page h1 { color: var(--blanc); margin-bottom: .75rem; }
.entete-page .grand-texte { color: rgba(255,255,255,.75); }
.entete-page h4 { color: rgba(255,255,255,.5); margin-bottom: .6rem; }

/* ── PIED DE PAGE ───────────────────────────────────────────── */
.pied {
  background: var(--noir); margin-top: auto;
  padding-block: clamp(3rem, 6vw, 5rem);
}
.pied__grille {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 2rem;
}
@media (max-width: 900px) { .pied__grille { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pied__grille { grid-template-columns: 1fr; } }

.pied__logo { font-size: 1.3rem; font-weight: 900; letter-spacing: .08em; color: var(--blanc); text-transform: uppercase; margin-bottom: .75rem; display: inline-block; }
.pied__desc { font-size: .88rem; color: rgba(255,255,255,.4); line-height: 1.7; max-width: 26ch; }

.pied__titre { font-size: .68rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-bottom: 1rem; }
.pied__nav { list-style: none; padding: 0; display: grid; gap: .5rem; }
.pied__nav a {
  font-size: .88rem; color: rgba(255,255,255,.5);
  text-decoration: none; transition: color .2s;
}
.pied__nav a:hover { color: var(--blanc); }

.pied__bas {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; gap: .5rem;
}
.pied__legal { font-size: .75rem; color: rgba(255,255,255,.25); }

/* ── UTILITAIRES ────────────────────────────────────────────── */
.sr-only { position: absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.diviseur { border: none; border-top: 1px solid var(--bord); margin-block: clamp(2rem,4vw,3.5rem); }
.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.centrer { text-align: center; }