/* Vivasweep — vitrine (SCRV 2966). Geist auto-hébergée (OFL), aucune requête externe. */
@font-face { font-family: "Geist"; src: url("fonts/GeistVF.woff") format("woff"); font-weight: 100 900; font-display: swap; }
:root {
  --encre: #11261f; --vert: #17594f; --vert-fonce: #0e3f38; --vert-clair: #dcebe5;
  --papier: #f5f2ea; --sable: #e8dfc8; --blanc: #fffdf8; --signal: #f2c14e;
  --doux: #46574f; --trait: #cfc8b4;
  --rayon: 14px; --col: min(1180px, 100% - 2.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 400 1.0625rem/1.6 "Geist", system-ui, sans-serif; color: var(--encre); background: var(--papier); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--vert); text-underline-offset: .18em; }
a:hover { color: var(--vert-fonce); }
:focus-visible { outline: 3px solid var(--vert); outline-offset: 3px; border-radius: 4px; }
.saut { position: absolute; left: -999px; top: 0; background: var(--encre); color: #fff; padding: .75rem 1rem; z-index: 10; }
.saut:focus { left: .5rem; top: .5rem; }
.col { width: var(--col); margin-inline: auto; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.02em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 4.9vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 650; }
h3 { font-size: 1.25rem; font-weight: 650; letter-spacing: -.01em; line-height: 1.25; }
p { margin: 0; }
.petit { font-size: .9375rem; color: var(--doux); }
.oeil { font-size: .8125rem; font-weight: 650; text-transform: uppercase; letter-spacing: .12em; color: var(--vert); margin-bottom: 1rem; }

/* en-tête */
.haut { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--papier) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--trait); }
.haut .col { display: flex; align-items: center; gap: 1.5rem; min-height: 4rem; }
.marque { font-weight: 750; font-size: 1.25rem; letter-spacing: -.03em; color: var(--encre); text-decoration: none; margin-right: auto; display: inline-flex; align-items: center; gap: .55rem; }
.marque img { width: auto; height: 3.5rem; display: block; }
.haut nav { display: flex; gap: 1.5rem; }
.haut nav a { color: var(--encre); text-decoration: none; font-weight: 500; min-height: 44px; display: inline-flex; align-items: center; }
.haut nav a:hover { color: var(--vert); text-decoration: underline; }
.bouton { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7rem 1.4rem; border-radius: 999px; font: inherit; font-weight: 650; text-decoration: none; border: 2px solid var(--vert); cursor: pointer; transition: transform .15s, background .15s; }
.bouton.plein { background: var(--vert); color: #fff; }
.bouton.plein:hover { background: var(--vert-fonce); color: #fff; transform: translateY(-1px); }
.bouton.creux { background: transparent; color: var(--vert-fonce); }
.bouton.creux:hover { background: var(--vert-clair); }
.haut .bouton { min-height: 44px; padding: .45rem 1.1rem; }

/* héros : asymétrique, texte large à gauche, deux captures qui se chevauchent à droite */
.heros { padding: clamp(3rem, 7vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.heros .col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.heros h1 span { background: linear-gradient(transparent 62%, var(--signal) 62% 92%, transparent 92%); padding-inline: .08em; }
.heros .accroche { font-size: clamp(1.15rem, 1.6vw, 1.35rem); color: var(--doux); margin-top: 1.6rem; max-width: 34em; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.heros .petit { margin-top: 1.2rem; }
.vue { position: relative; padding: 0 0 4rem 0; }
.vue .bureau { border-radius: var(--rayon); border: 1px solid var(--trait); box-shadow: 0 30px 60px -28px rgba(17, 38, 31, .45); width: 112%; max-width: none; }
.vue .tel { position: absolute; width: 30%; right: 4%; bottom: 0; border-radius: 22px; border: 6px solid var(--encre); box-shadow: 0 24px 48px -16px rgba(17, 38, 31, .55); background: #fff; }
.legende { position: absolute; left: 0; bottom: .3rem; font-size: .8125rem; color: var(--doux); max-width: 14rem; }

/* bandeau de preuves */
.preuves { background: var(--vert-fonce); color: #fff; }
.preuves .col { display: grid; grid-template-columns: repeat(3, 1fr); }
.preuves p { padding: 1.6rem 1.5rem; border-left: 1px solid rgba(255, 255, 255, .22); font-size: 1.05rem; }
.preuves p:first-child { border-left: 0; padding-left: 0; }
.preuves strong { display: block; font-size: 1.9rem; letter-spacing: -.02em; line-height: 1.1; color: var(--signal); }

/* sections */
section { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.tete { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.tete p { color: var(--doux); margin-top: 1rem; font-size: 1.15rem; }

/* étapes : numéros géants, décalage une ligne sur deux */
.etapes { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: e; }
.etapes li { display: grid; grid-template-columns: 7rem 1fr; gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--trait); max-width: 46rem; }
.etapes li:nth-child(even) { margin-left: auto; }
.etapes li::before { counter-increment: e; content: "0" counter(e); font-size: 4.2rem; line-height: .9; font-weight: 300; letter-spacing: -.05em; color: var(--vert); }
.etapes h3 { margin-bottom: .5rem; }
.etapes p { color: var(--doux); }

/* fonctions */
.fonds { background: var(--blanc); border-block: 1px solid var(--trait); }
.fonctions { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.25rem; }
.fonctions article { grid-column: span 2; background: var(--papier); border: 1px solid var(--trait); border-radius: var(--rayon); padding: 1.6rem; }
.fonctions article:nth-child(1), .fonctions article:nth-child(4) { grid-column: span 4; background: var(--vert-clair); border-color: transparent; }
.fonctions article:nth-child(5), .fonctions article:nth-child(6) { grid-column: span 3; }
.fonctions h3 { margin-bottom: .55rem; }
.fonctions p { color: var(--doux); font-size: 1rem; }
.fonctions article:nth-child(1) p, .fonctions article:nth-child(4) p { color: #2d4a42; }

/* tarif */
.tarif .col { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.calc { background: var(--encre); color: #fff; border-radius: 22px; padding: clamp(1.5rem, 3.5vw, 2.6rem); }
.calc label { display: block; font-weight: 600; margin-bottom: .6rem; }
.calc .ligne { display: flex; gap: 1rem; align-items: center; }
.calc input[type=range] { flex: 1; min-height: 44px; accent-color: var(--signal); }
.calc input[type=number] { width: 5.5rem; min-height: 48px; font: inherit; font-size: 1.2rem; font-weight: 650; text-align: center; border-radius: 10px; border: 2px solid var(--signal); background: transparent; color: #fff; }
.calc output { display: block; margin-top: 1.6rem; font-size: clamp(3rem, 7vw, 4.6rem); font-weight: 700; letter-spacing: -.04em; line-height: 1; color: var(--signal); }
.calc output small { margin-left: .4rem; font-size: 1.1rem; font-weight: 500; color: #fff; letter-spacing: 0; }
.calc .detail { margin-top: .8rem; color: #d7e3dd; }
.paliers { width: 100%; border-collapse: collapse; margin-top: 1.8rem; font-size: 1rem; }
.paliers th, .paliers td { text-align: left; padding: .7rem 0; border-top: 1px solid rgba(255, 255, 255, .2); font-weight: 450; }
.paliers td:last-child, .paliers th:last-child { text-align: right; font-weight: 650; }
.regle { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .8rem; }
.regle li { padding-left: 1.8rem; position: relative; }
.regle li::before { content: ""; position: absolute; left: 0; top: .5em; width: .9rem; height: .55rem; border-left: 3px solid var(--vert); border-bottom: 3px solid var(--vert); transform: rotate(-45deg); }

/* FAQ */
.faq details { border-top: 1px solid var(--trait); }
.faq details:last-child { border-bottom: 1px solid var(--trait); }
.faq summary { cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0; font-weight: 600; font-size: 1.15rem; list-style: none; position: relative; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .3rem; top: 1rem; font-size: 1.6rem; font-weight: 300; color: var(--vert); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 3rem 1.4rem 0; color: var(--doux); max-width: 46rem; }
.faq .colonne { max-width: 52rem; }

/* essai */
.essai { background: var(--vert); color: #fff; }
.essai .col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.essai h2 { color: #fff; }
.essai p { color: #e1efe9; margin-top: 1rem; font-size: 1.15rem; }
.essai form { background: var(--blanc); color: var(--encre); border-radius: 22px; padding: clamp(1.4rem, 3vw, 2.2rem); display: grid; gap: 1rem; }
.essai label { font-weight: 600; display: grid; gap: .4rem; }
.essai input[type=email], .essai input[type=number] { min-height: 48px; font: inherit; padding: .5rem .9rem; border: 2px solid var(--trait); border-radius: 10px; background: #fff; }
.essai input:focus-visible { border-color: var(--vert); outline-offset: 1px; }
.essai .piege { position: absolute; left: -9999px; }
.essai form .petit { color: var(--doux); }
.essai .bouton.plein { background: var(--encre); border-color: var(--encre); }
.essai .bouton.plein:hover { background: #000; }

.bas { padding: 2.5rem 0 3rem; font-size: .9375rem; color: var(--doux); }
.bas .col { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; }
.bas a { color: var(--doux); }

/* révélation au défilement : discrète, désactivée si l'utilisateur préfère moins d'animation */
@media (prefers-reduced-motion: no-preference) {
  .js .revele { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
  .js .revele.vu { opacity: 1; transform: none; }
}
@media (max-width: 900px) {
  .haut nav { display: none; }
  .heros .col, .tarif .col, .essai .col { grid-template-columns: 1fr; }
  .vue { padding-bottom: 5rem; max-width: 34rem; }
  .vue .bureau { width: 100%; }
  .vue .tel { width: 40%; right: 0; }
  .fonctions { grid-template-columns: 1fr; }
  .fonctions article, .fonctions article:nth-child(n) { grid-column: auto; }
  .etapes li { grid-template-columns: 4rem 1fr; gap: 1rem; margin-left: 0 !important; }
  .etapes li::before { font-size: 3rem; }
  .preuves .col { grid-template-columns: 1fr; }
  .preuves p, .preuves p:first-child { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .22); padding: 1.1rem 0; }
  .preuves p:first-child { border-top: 0; }
  .faq details p { padding-right: 0; }
}