/* LumUp — refonte 2026 · univers clair et aéré */
/* Satoshi (Fontshare, licence ITF Free Font License : usage commercial et hébergement autorisés) */
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
/* Instrument Serif (Google Fonts, licence SIL OFL : hébergée ici pour la vitesse et le RGPD) */
@font-face { font-family: "Instrument Serif"; src: url("../fonts/instrument-serif-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

:root {
  --fond: #fafaf7;
  --surface: #ffffff;
  --encre: #171716;
  --doux: #6b6a66;
  --ligne: #e6e4de;
  --accent: #b5562e;
  --accent-fond: #f5ebe4;
  --rayon: 4px;
  --largeur: 1240px;
  --marge: clamp(20px, 5vw, 64px);
  --section: clamp(80px, 11vw, 150px);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);       /* entrées, sorties, retours */
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);   /* déplacements à l'écran */
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);    /* menu mobile (tiroir) */
  --titre: "Instrument Serif", Georgia, "Times New Roman", serif;
  --texte: "Satoshi", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; interpolate-size: allow-keywords; }
a, button, summary { touch-action: manipulation; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font: 400 17px/1.7 var(--texte);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0 0 1.1em; }

.conteneur { width: 100%; max-width: var(--largeur); margin: 0 auto; padding: 0 var(--marge); }
.section { padding: var(--section) 0; }
.section + .section { padding-top: 0; }
.sur-blanc { background: var(--surface); }
.sur-blanc + .section, .section + .sur-blanc { padding-top: var(--section); }

/* Typographie */
h1, h2, h3 { font-family: var(--titre); font-weight: 400; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(3rem, 7.5vw, 6.2rem); }
h2 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); margin-bottom: 0.5em; }
h3 { font-size: clamp(1.5rem, 2.2vw, 1.85rem); margin-bottom: 0.4em; }
.surtitre {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--doux);
  margin-bottom: 22px;
}
.chapo { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--doux); max-width: 34em; }
.doux { color: var(--doux); }

/* Boutons */
.bouton {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px;
  border: 1px solid var(--encre);
  border-radius: 99px;
  background: var(--encre); color: var(--fond);
  font: 500 0.95rem/1 var(--texte);
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease, transform 160ms var(--ease-out);
}
.bouton:active, .filtres button:active { transform: scale(0.97); }
.filtres button { transition: background 200ms ease, color 200ms ease, transform 160ms var(--ease-out); }
.bouton:hover { background: transparent; color: var(--encre); }
.bouton.secondaire { background: transparent; color: var(--encre); }
.bouton.secondaire:hover { background: var(--encre); color: var(--fond); }
.lien-fleche { font-weight: 500; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.lien-fleche::after { content: " →"; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* En-tête */
.entete {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.entete.defile { border-bottom-color: var(--ligne); }
.entete .conteneur { display: flex; align-items: center; height: 76px; gap: 0; }
.logo { display: block; line-height: 0; }
.logo img { height: 42px; width: auto; }
.pied .logo img { height: 48px; }
.menu { display: flex; align-items: center; gap: clamp(16px, 1.8vw, 30px); list-style: none; margin: 0; padding: 0; }
.menu a { text-decoration: none; font-size: 0.93rem; }
.menu a:not(.bouton):hover { color: var(--accent); }
.menu .bouton { padding: 11px 20px; }
.tel-entete { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 0.93rem; font-weight: 500; white-space: nowrap; }
.tel-entete:hover { color: var(--accent); }
.tel-entete svg { color: var(--accent); flex: none; }
.tel-mobile { display: none; }
.entete nav { margin-left: auto; }
.menu a { white-space: nowrap; }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 24px; height: 1.5px; background: var(--encre); margin: 6px 0; transition: transform 250ms var(--ease-out), opacity 200ms ease; }

@media (max-width: 1180px) {
  .burger { display: block; margin-right: -8px; }
  .tel-mobile { display: inline-flex; margin-left: auto; margin-right: 14px; font-size: 0.88rem; }
  .tel-menu { display: none; }
  .entete .logo img { height: 34px; }
  .entete nav { flex: 0 0 0; width: 0; margin-left: 0; }
  .menu {
    position: fixed; inset: 76px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--fond); padding: 12px var(--marge) 32px;
    border-bottom: 1px solid var(--ligne);
    transform: translateY(-120%); visibility: hidden;
    transition: transform 300ms var(--ease-drawer), visibility 0s linear 300ms;
    max-height: calc(100vh - 76px); max-height: calc(100dvh - 76px); overflow-y: auto;
  }
  .menu.ouvert { transform: none; visibility: visible; transition: transform 300ms var(--ease-drawer), visibility 0s; }
  .menu li { width: 100%; }
  .menu a:not(.bouton) { display: block; padding: 14px 0; border-bottom: 1px solid var(--ligne); font-size: 1.05rem; }
  .menu .bouton { margin-top: 20px; }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
}

/* Héros */
.heros { padding: clamp(40px, 7vw, 100px) 0 var(--section); }
.heros .conteneur { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.heros h1 { margin-bottom: 28px; }
.heros .chapo { margin-bottom: 40px; }
.heros .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.heros-defile { position: relative; aspect-ratio: 1; width: 100%; max-width: 560px; justify-self: end; background: var(--surface); border-radius: var(--rayon); overflow: hidden; }
.heros-defile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; visibility: hidden; }
.heros-defile img.actif { visibility: visible; }
@media (max-width: 860px) {
  .heros .conteneur { grid-template-columns: 1fr; }
  .heros-defile { justify-self: stretch; max-width: none; }
}

/* Bandeau chiffres */
.reperes { border-top: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); }
.reperes ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.reperes li { padding: 30px 0; text-align: center; font-size: 0.92rem; color: var(--doux); }
.reperes li + li { border-left: 1px solid var(--ligne); }
.reperes b { display: block; font: 400 2.2rem/1.1 var(--titre); color: var(--encre); margin-bottom: 4px; }
@media (max-width: 760px) {
  .reperes ul { grid-template-columns: 1fr 1fr; }
  .reperes li:nth-child(3) { border-left: 0; }
  .reperes li:nth-child(n+3) { border-top: 1px solid var(--ligne); }
}

/* Deux colonnes texte / image */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.duo.inverse > :first-child { order: 2; }
.duo img { width: 100%; border-radius: var(--rayon); }
@media (max-width: 860px) {
  .duo { grid-template-columns: 1fr; }
  .duo.inverse > :first-child { order: 0; }
}

/* Univers */
.entete-section { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 20px 60px; margin-bottom: clamp(40px, 5vw, 70px); }
.entete-section > div { max-width: 640px; }
.entete-section p { margin: 0; }
.grille-univers { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(28px, 3vw, 44px) clamp(16px, 2vw, 28px); }
.univers { text-decoration: none; display: block; }
.univers figure { margin: 0 0 18px; overflow: hidden; border-radius: var(--rayon); background: var(--surface); }
.univers img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform 600ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .univers:hover img { transform: scale(1.04); }
}
.univers h3 { font-size: 1.45rem; }
.univers p { font-size: 0.93rem; color: var(--doux); margin: 0; }
@media (max-width: 1000px) { .grille-univers { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 359px) { .tel-entete span { display: none; } .tel-entete svg { width: 20px; height: 20px; } }
@media (max-width: 480px) { .grille-univers { grid-template-columns: 1fr; } }

/* Fond blanc / mise en scène */
.comparatif { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); }
.comparatif article { background: var(--surface); border-radius: var(--rayon); overflow: hidden; }
.comparatif img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.comparatif div { padding: clamp(24px, 3vw, 40px); }
.comparatif ul { margin: 0; padding-left: 1.1em; color: var(--doux); }
.comparatif li + li { margin-top: 6px; }
@media (max-width: 760px) { .comparatif { grid-template-columns: 1fr; } }

/* Étapes */
.etapes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(24px, 3vw, 44px); counter-reset: etape; }
.etapes li { border-top: 1px solid var(--encre); padding-top: 24px; counter-increment: etape; }
.etapes li::before { content: "0" counter(etape); display: block; font: 400 1rem var(--texte); color: var(--accent); margin-bottom: 18px; letter-spacing: .08em; }
.etapes h3 { font-size: 1.45rem; }
.etapes p { font-size: 0.95rem; color: var(--doux); margin: 0; }
@media (max-width: 960px) { .etapes { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .etapes { grid-template-columns: 1fr; } }
.formats { margin-top: clamp(40px, 5vw, 64px); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.formats span { border: 1px solid var(--ligne); background: var(--surface); border-radius: 99px; padding: 6px 16px; font-size: 0.88rem; }
.formats p { margin: 0 12px 0 0; color: var(--doux); font-size: 0.95rem; }

/* Galerie */
.galerie { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(10px, 1.4vw, 18px); }
.galerie img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--rayon); background: var(--surface); }
.galerie .haute { grid-row: span 2; aspect-ratio: auto; height: 100%; }
@media (max-width: 760px) { .galerie { grid-template-columns: repeat(2, 1fr); } }
.centre { text-align: center; margin-top: clamp(36px, 4vw, 56px); }

/* Témoignages */
.avis { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 3vw, 40px); }
.avis blockquote { margin: 0; padding: clamp(28px, 3.5vw, 48px); background: var(--fond); border-radius: var(--rayon); }
.avis blockquote p { font: 400 clamp(1.25rem, 1.9vw, 1.55rem)/1.4 var(--titre); margin-bottom: 22px; }
.avis cite { font-style: normal; font-size: 0.9rem; color: var(--doux); }
@media (max-width: 760px) { .avis { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--ligne); }
.faq details:first-of-type { border-top: 1px solid var(--ligne); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 26px 0;
  font: 400 clamp(1.25rem, 1.8vw, 1.5rem)/1.3 var(--titre);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 300 1.6rem var(--texte); color: var(--doux); transition: transform 200ms var(--ease-out); flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details::details-content { block-size: 0; overflow: hidden; transition: block-size 250ms var(--ease-out), content-visibility 250ms allow-discrete; }
.faq details[open]::details-content { block-size: auto; }
.faq details p { color: var(--doux); padding-bottom: 14px; margin: 0; max-width: 720px; }
.faq details p:last-child { padding-bottom: 28px; }

/* Appel à l'action */
.appel { text-align: center; }
.appel h2 { max-width: 14em; margin: 0 auto 0.4em; }
.appel .chapo { margin: 0 auto 40px; }
.appel .actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* Pied de page */
.pied { border-top: 1px solid var(--ligne); padding: 72px 0 40px; font-size: 0.92rem; }
.pied .conteneur > div:first-child { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.pied h4 { font: 500 0.78rem var(--texte); letter-spacing: .14em; text-transform: uppercase; color: var(--doux); margin: 0 0 16px; }
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li + li { margin-top: 8px; }
.pied a { text-decoration: none; }
.pied a:hover { color: var(--accent); }
.pied .bas { margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--ligne); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--doux); font-size: 0.85rem; }
@media (max-width: 860px) { .pied .conteneur > div:first-child { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .pied .conteneur > div:first-child { grid-template-columns: 1fr; } }

/* Apparition douce au défilement */
.apparait { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms); }
.apparait.visible { opacity: 1; transform: none; }
/* Arrivée sur la page : surtitre, titre, accroche puis boutons, en cascade (une seule fois) */
@keyframes entree { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fondu { from { opacity: 0; } to { opacity: 1; } }
.heros .conteneur > div:first-child > *, .heros-page .conteneur > div:first-child > * { animation: entree 700ms var(--ease-out) both; }
.heros .conteneur > div:first-child > :nth-child(2), .heros-page .conteneur > div:first-child > :nth-child(2) { animation-delay: 70ms; }
.heros .conteneur > div:first-child > :nth-child(3), .heros-page .conteneur > div:first-child > :nth-child(3) { animation-delay: 140ms; }
.heros .conteneur > div:first-child > :nth-child(4), .heros-page .conteneur > div:first-child > :nth-child(4) { animation-delay: 210ms; }
.heros-defile, .heros-page .conteneur > img { animation: fondu 900ms var(--ease-out) 120ms both; }
.portfolio { transition: opacity 150ms ease; }
.portfolio.change { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  .apparait { transform: none; transition: opacity 300ms ease; transition-delay: 0s; }
  .heros .conteneur > div:first-child > *, .heros-page .conteneur > div:first-child > * { animation: fondu 300ms ease both; animation-delay: 0s; }
  .faq details::details-content { transition: none; }
  .univers img { transition: none; }
  html { scroll-behavior: auto; }
}

/* ===== Pages intérieures ===== */
.fil { font-size: 0.85rem; color: var(--doux); padding-top: 28px; }
.fil ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.fil li + li::before { content: "/"; margin-right: 6px; color: var(--ligne); }
.fil a { text-decoration: none; }
.fil a:hover { color: var(--accent); }
.heros-page { padding: clamp(28px, 4vw, 56px) 0 var(--section); }
.heros-page .conteneur { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.heros-page h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); margin-bottom: 24px; }
.heros-page .chapo { margin-bottom: 36px; }
.heros-page .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.heros-page img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--rayon); background: var(--surface); }
.heros-page.sans-image .conteneur { grid-template-columns: 1fr; }
.heros-page.sans-image .conteneur > div { max-width: 900px; }
.insecable { white-space: nowrap; }
@media (max-width: 860px) { .heros-page .conteneur { grid-template-columns: 1fr; } }
.texte { max-width: 760px; }
.texte h2 { margin-top: 0; }
.texte h3 { margin-top: 1.6em; }
.texte a, .duo a:not(.lien-fleche):not(.bouton), .comparatif a, .liste-points a { color: var(--encre); text-decoration-color: var(--accent); text-underline-offset: 3px; }
.texte a:hover { color: var(--accent); }
.texte ul { padding-left: 1.1em; }
.texte li + li { margin-top: 6px; }
.liste-points { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.6vw, 36px); }
.liste-points li { border-top: 1px solid var(--ligne); padding-top: 20px; }
.liste-points h3 { font-size: 1.4rem; }
.liste-points p { color: var(--doux); font-size: 0.95rem; margin: 0; }
@media (max-width: 900px) { .liste-points { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .liste-points { grid-template-columns: 1fr; } }
.galerie.trois { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .galerie.trois { grid-template-columns: repeat(2, 1fr); } }
.liens-univers { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
@media (max-width: 860px) { .liens-univers { grid-template-columns: 1fr; } }
.filtres { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filtres button { font: 500 0.88rem var(--texte); background: var(--surface); color: var(--encre); border: 1px solid var(--ligne); border-radius: 99px; padding: 8px 16px; cursor: pointer; }
.filtres button[aria-pressed="true"] { background: var(--encre); color: var(--fond); border-color: var(--encre); }
.portfolio { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(10px, 1.4vw, 18px); }
.portfolio figure { margin: 0; }
.portfolio img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--rayon); background: var(--surface); }
.portfolio figcaption { font-size: 0.82rem; color: var(--doux); margin-top: 8px; }
.portfolio [hidden] { display: none; }
@media (max-width: 900px) { .portfolio { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .portfolio { grid-template-columns: repeat(2, 1fr); } }
.contact-grille { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
@media (max-width: 860px) { .contact-grille { grid-template-columns: 1fr; } }
.formulaire { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; background: var(--surface); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: clamp(24px, 3.5vw, 44px); }
.formulaire .large { grid-column: 1 / -1; }
.formulaire label { display: block; font-size: 0.85rem; color: var(--doux); margin-bottom: 6px; }
.formulaire input, .formulaire select, .formulaire textarea { width: 100%; font: 400 1rem var(--texte); color: var(--encre); background: var(--fond); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 12px 14px; }
.formulaire input:focus, .formulaire select:focus, .formulaire textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.formulaire textarea { min-height: 150px; resize: vertical; }
.formulaire .mention { font-size: 0.8rem; color: var(--doux); margin: 0; }
.formulaire .piege { position: absolute; left: -9999px; }
@media (max-width: 560px) { .formulaire { grid-template-columns: 1fr; } }
.coordonnees { list-style: none; margin: 0 0 32px; padding: 0; }
.coordonnees li { padding: 16px 0; border-bottom: 1px solid var(--ligne); }
.coordonnees span { display: block; font-size: 0.8rem; color: var(--doux); letter-spacing: .1em; text-transform: uppercase; }
.coordonnees a { font: 400 1.5rem var(--titre); text-decoration: none; }
.legal h2 { font-size: 1.6rem; margin-top: 1.8em; }
.menu a[aria-current="page"] { color: var(--accent); }

/* Section méthode / savoir-faire des pages de services */
.guide { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(32px, 4vw, 56px) clamp(32px, 6vw, 96px); }
.guide article { border-top: 1px solid var(--ligne); padding-top: 22px; }
.guide h3 { font-size: 1.45rem; }
.guide p { color: var(--doux); margin: 0; }
@media (max-width: 760px) { .guide { grid-template-columns: 1fr; } }

.message-envoi { grid-column: 1 / -1; padding: 16px 20px; border-radius: var(--rayon); background: var(--surface); border-left: 3px solid var(--accent); margin: 0 0 24px; }
.message-envoi.erreur { border-left-color: #b3261e; }

/* Message après l'envoi du formulaire de contact */
.message-envoi { grid-column: 1 / -1; display: flex; gap: 16px; align-items: flex-start; margin: 0 0 28px; padding: 20px 22px;
  border-radius: 10px; border: 1px solid; animation: message-entree 500ms var(--ease-out) both; }
.message-envoi strong { display: block; font-size: 1.08rem; font-weight: 500; margin-bottom: 2px; }
.message-envoi p { margin: 0; font-size: 0.97rem; line-height: 1.55; }
.message-envoi a { color: inherit; text-decoration: underline; }
.message-icone { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; color: #fff; }
.message-icone svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.message-envoi.succes { background: linear-gradient(135deg, #ecf8f0 0%, #def3e6 100%); border-color: #a9dcbb; color: #14532d; }
.message-envoi.succes .message-icone { background: linear-gradient(135deg, #22a35a 0%, #15803d 100%); box-shadow: 0 6px 16px -6px rgba(21, 128, 61, 0.55); }
.message-envoi.succes .message-icone svg path { stroke-dasharray: 24; stroke-dashoffset: 24; animation: message-coche 450ms 250ms var(--ease-out) forwards; }
.message-envoi.erreur { background: #fdf0ee; border-color: #f0c2b9; color: #7f1d1d; }
.message-envoi.erreur .message-icone { background: #c2412d; }
@keyframes message-entree { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
@keyframes message-coche { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .message-envoi, .message-envoi.succes .message-icone svg path { animation: none; stroke-dashoffset: 0; }
}