/* Portfolio James Amengle — couleurs du produit IA Amengle (vert + or) et bleu « eau » pour EN Solutions Hydro. */
:root {
  --fond: #F3F6F4; --surface: #FFFFFF; --surface-2: #E9EFEC; --encre: #0E1B16; --doux: #56665F; --trait: #D9E2DD;
  --vert: #12694A; --vert-fonce: #0B4A33; --vert-clair: #E3F1EA; --or: #E8A317; --or-clair: #FFF4DC; --bleu: #1E63A8; --bleu-clair: #E6EFF8;
  --sur-vert: #FFFFFF; --ombre: 0 18px 40px -28px rgba(14, 27, 22, .45);
  --r: 14px; --f-titre: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif; --f-texte: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif; --f-mono: 'JetBrains Mono', ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fond: #0B1310; --surface: #121D19; --surface-2: #182621; --encre: #E7EFEB; --doux: #98AAA2; --trait: #24352E;
    --vert: #3DBA86; --vert-fonce: #0F3A29; --vert-clair: #15302A; --or: #F0B429; --or-clair: #2B2412; --bleu: #64A6E8; --bleu-clair: #13263A;
    --sur-vert: #08130F; --ombre: 0 18px 40px -28px rgba(0, 0, 0, .8);
  }
}
:root[data-theme="dark"] {
  --fond: #0B1310; --surface: #121D19; --surface-2: #182621; --encre: #E7EFEB; --doux: #98AAA2; --trait: #24352E;
  --vert: #3DBA86; --vert-fonce: #0F3A29; --vert-clair: #15302A; --or: #F0B429; --or-clair: #2B2412; --bleu: #64A6E8; --bleu-clair: #13263A;
  --sur-vert: #08130F; --ombre: 0 18px 40px -28px rgba(0, 0, 0, .8);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--fond); color: var(--encre); font: 400 1.0625rem/1.6 var(--f-texte); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--vert); }
h1, h2, h3 { font-family: var(--f-titre); line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0; }
.cadre { width: min(1180px, 100%); margin-inline: auto; padding-inline: 20px; }
.evitement { position: absolute; left: -999px; top: 8px; background: var(--vert); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 99; }
.evitement:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--or); outline-offset: 2px; border-radius: 6px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; gap: 8px; font: 700 1rem/1 var(--f-texte); text-decoration: none; padding: 14px 22px; border-radius: 999px; border: 2px solid transparent; transition: transform .15s, background .15s, box-shadow .15s; cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-petit { padding: 10px 16px; font-size: .95rem; }
.btn-plein { background: var(--vert); color: var(--sur-vert); box-shadow: var(--ombre); }
.btn-contour { border-color: var(--trait); color: var(--encre); background: var(--surface); }
.btn-or { background: var(--or); color: #1B1406; }
.btn-clair { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .35); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* En-tête */
.entete { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--fond) 88%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.entete.ombre { border-bottom-color: var(--trait); }
.entete-in { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.marque { display: flex; align-items: center; gap: 10px; font: 800 1.08rem var(--f-titre); color: var(--encre); text-decoration: none; }
.marque-mono { width: 36px; height: 36px; border-radius: 10px; background: var(--vert); color: var(--sur-vert); display: grid; place-items: center; font-size: .9rem; letter-spacing: .02em; }
.menu { display: flex; gap: 22px; margin-left: auto; }
.menu a { color: var(--doux); font-weight: 600; text-decoration: none; font-size: .98rem; }
.menu a:hover, .menu a.actif { color: var(--encre); }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--trait); background: var(--surface); border-radius: 12px; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.burger span { width: 18px; height: 2px; background: var(--encre); border-radius: 2px; transition: transform .2s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Accueil */
.accueil { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 48px; align-items: center; padding-block: 64px 72px; }
.surtitre { display: inline-flex; align-items: center; gap: 8px; font: 500 .82rem var(--f-mono); color: var(--doux); text-transform: uppercase; letter-spacing: .06em; }
.pastille-dispo { width: 9px; height: 9px; border-radius: 50%; background: #22C55E; box-shadow: 0 0 0 4px color-mix(in srgb, #22C55E 25%, transparent); }
.accueil h1 { font-size: clamp(2.8rem, 7.4vw, 5.6rem); font-weight: 800; margin-top: 18px; letter-spacing: -.035em; }
.titre-pro { font: 700 clamp(1.15rem, 2.2vw, 1.5rem) var(--f-titre); color: var(--vert); margin-top: 10px; }
.accroche { font-size: 1.2rem; color: var(--doux); max-width: 34em; margin: 18px 0 30px; }
.reperes { display: flex; flex-wrap: wrap; gap: 14px 34px; margin: 38px 0 0; padding-top: 22px; border-top: 1px solid var(--trait); }
.reperes dt { font: 500 .75rem var(--f-mono); text-transform: uppercase; letter-spacing: .07em; color: var(--doux); }
.reperes dd { margin: 2px 0 0; font: 800 1.2rem var(--f-titre); font-variant-numeric: tabular-nums; }
.accueil-visuel { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.telephone { width: min(300px, 78vw); aspect-ratio: 9 / 18.6; border-radius: 42px; padding: 11px; background: #0E1B16; box-shadow: 0 40px 70px -40px rgba(14, 27, 22, .7), inset 0 0 0 2px #2A3A33; position: relative; }
.telephone-ecran { position: relative; width: 100%; height: 100%; border-radius: 32px; overflow: hidden; background: #12694A; }
.telephone video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .4s; }
.telephone video.pret { opacity: 1; }
.maquette { position: absolute; inset: 0; display: flex; flex-direction: column; background: #EFEAE2; font-size: .78rem; }
.maquette-tete { display: flex; align-items: center; gap: 8px; background: #12694A; color: #fff; padding: 30px 12px 10px; font-weight: 700; }
.maquette-tete i { width: 26px; height: 26px; border-radius: 8px; background: #F0B429; color: #12694A; display: grid; place-items: center; font: 800 .8rem var(--f-titre); font-style: normal; }
.maquette-tete small { display: block; font-weight: 400; opacity: .8; font-size: .66rem; }
.maquette-fil { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: 12px 10px; }
.bulle-m { max-width: 82%; padding: 8px 10px; border-radius: 12px; line-height: 1.35; color: #16231D; box-shadow: 0 1px 1px rgba(0,0,0,.06); }
.bulle-m.moi { align-self: flex-end; background: #D9FDD3; border-top-right-radius: 3px; }
.bulle-m.ia { align-self: flex-start; background: #fff; border-top-left-radius: 3px; }
.doc-m { margin-top: 6px; background: #FFF7E6; border: 1px solid #F5D58A; border-radius: 8px; padding: 6px 8px; font-weight: 700; }
.doc-m span { display: block; font-weight: 400; color: #667781; font-size: .66rem; }
.maquette-saisie { margin: 8px; background: #fff; border-radius: 999px; padding: 9px 12px; color: #8696A0; }
.son { display: none; position: absolute; left: 12px; bottom: 12px; border: 0; border-radius: 999px; padding: 8px 12px; background: var(--or); color: #1B1406; font: 700 .85rem var(--f-texte); cursor: pointer; }
.legende-visuel { font: 500 .8rem var(--f-mono); color: var(--doux); }

/* Étiquettes */
.etiquette { display: inline-block; font: 500 .78rem var(--f-mono); text-transform: uppercase; letter-spacing: .08em; padding: 6px 10px; border-radius: 999px; margin-bottom: 14px; }
.etiquette-or { background: var(--or); color: #1B1406; }
.etiquette-bleu { background: var(--bleu-clair); color: var(--bleu); }

/* Produit phare : bandeau vert */
.produit { background: var(--vert-fonce); color: #EAF5EF; padding-block: 84px; position: relative; overflow: hidden; }
:root:not([data-theme="dark"]) .produit { background: #0B4A33; }
.produit::after { content: ''; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; border: 60px solid rgba(240, 180, 41, .08); }
.produit-tete { max-width: 760px; position: relative; z-index: 1; }
.produit h2 { font-size: clamp(2.4rem, 6vw, 4rem); color: #fff; }
.produit-intro { font-size: 1.2rem; color: #CFE6DA; margin-top: 16px; }
.produit-grille { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 44px; position: relative; z-index: 1; }
.fonction { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--r); padding: 22px; }
.fonction-num { font-size: 1.5rem; }
.fonction h3 { color: #fff; margin: 12px 0 6px; }
.fonction p { color: #BFD9CB; font-size: 1rem; }
.produit-pied { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 22px; margin-top: 36px; position: relative; z-index: 1; }
.pile { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pile-titre { font: 500 .78rem var(--f-mono); color: #9CC4AF; text-transform: uppercase; letter-spacing: .07em; margin-right: 4px; }

/* Technos */
.technos { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.techno { font: 500 .76rem var(--f-mono); padding: 4px 9px; border-radius: 6px; background: var(--surface-2); color: var(--doux); }
.techno-clair { background: rgba(255, 255, 255, .1); color: #E3F1EA; }

/* Sections */
.hydro, .projets, .apropos, .parcours { padding-block: 84px; }
.hydro-tete { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 36px; align-items: end; margin-bottom: 36px; }
.hydro-tete p { color: var(--doux); font-size: 1.1rem; }
.hydro-tete h2 { color: var(--encre); }
.hydro .carte { border-top: 4px solid var(--bleu); }
.section-tete { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 30px; }
.filtres { display: flex; flex-wrap: wrap; gap: 8px; }
.filtre { border: 1px solid var(--trait); background: var(--surface); color: var(--doux); border-radius: 999px; padding: 8px 14px; font: 600 .92rem var(--f-texte); cursor: pointer; }
.filtre span { font: 500 .75rem var(--f-mono); margin-left: 4px; opacity: .7; }
.filtre.actif { background: var(--encre); color: var(--fond); border-color: var(--encre); }

/* Cartes projets */
.grille-cartes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.carte { background: var(--surface); border: 1px solid var(--trait); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.carte:hover { transform: translateY(-3px); box-shadow: var(--ombre); }
.carte[hidden] { display: none; }
.carte-image { position: relative; aspect-ratio: 16 / 9; background: var(--surface-2); overflow: hidden; }
.carte-image img { width: 100%; height: 100%; object-fit: cover; }
.carte-vide { position: absolute; inset: 0; display: grid; place-items: center; font: 800 2.6rem var(--f-titre); color: var(--vert); background: linear-gradient(135deg, var(--vert-clair), var(--surface-2)); }
.cat-hydro .carte-vide { color: var(--bleu); background: linear-gradient(135deg, var(--bleu-clair), var(--surface-2)); }
.carte-cat { position: absolute; left: 12px; top: 12px; font: 500 .7rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; background: rgba(14, 27, 22, .75); color: #fff; padding: 5px 8px; border-radius: 6px; }
.carte-corps { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.carte-corps h3 small { font: 500 .75rem var(--f-mono); color: var(--doux); margin-left: 4px; }
.carte-corps p { color: var(--doux); font-size: .98rem; margin-top: 8px; }
.carte-corps .technos { margin-bottom: 4px; }
.carte-corps .lien-fleche { margin-top: auto; padding-top: 14px; }
.lien-fleche { font-weight: 700; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.lien-fleche::after { content: '→'; transition: transform .15s; }
.lien-fleche:hover::after { transform: translateX(3px); }

/* À propos */
.apropos { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 48px; align-items: start; border-top: 1px solid var(--trait); }
.apropos-photo img, .photo-vide { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 24px; }
.photo-vide { display: grid; place-items: center; background: var(--vert); color: var(--sur-vert); font: 800 4rem var(--f-titre); }
.apropos-texte { font-size: 1.15rem; color: var(--doux); margin: 16px 0 28px; max-width: 42em; }
.competences { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; }
.competences h3 { font: 500 .78rem var(--f-mono); text-transform: uppercase; letter-spacing: .07em; color: var(--vert); }
.competences p { margin-top: 4px; }
.formation { margin-top: 24px; color: var(--doux); }

/* Parcours */
.frise { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 0; }
.frise li { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--trait); }
.frise-date { font: 500 .85rem var(--f-mono); color: var(--doux); padding-top: 3px; }
.frise p { color: var(--doux); margin-top: 6px; max-width: 46em; }

/* Contact */
.contact { background: var(--encre); color: var(--fond); padding-block: 72px; }
.contact-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.contact h2 { color: var(--fond); }
.contact-in > div p { color: color-mix(in srgb, var(--fond) 70%, transparent); margin: 12px 0 24px; font-size: 1.15rem; }
.contact-liste { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.contact-liste li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid color-mix(in srgb, var(--fond) 16%, transparent); flex-wrap: wrap; }
.contact-liste span { font: 500 .78rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: color-mix(in srgb, var(--fond) 60%, transparent); }
.contact-liste a, .contact-liste b { color: var(--fond); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.pied { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-block: 26px; color: var(--doux); font-size: .92rem; }
.pied a { color: var(--doux); }

/* Responsive */
@media (max-width: 980px) {
  .accueil { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
  .produit-grille, .grille-cartes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hydro-tete, .contact-in { grid-template-columns: 1fr; }
  .apropos { grid-template-columns: 1fr; }
  .apropos-photo { max-width: 240px; }
  .entete-cta { display: none; }
}
@media (max-width: 760px) {
  .burger { display: flex; }
  .menu { position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; gap: 0; background: var(--surface); border-bottom: 1px solid var(--trait); padding: 6px 20px 14px; display: none; }
  .menu.ouvert { display: flex; }
  .menu a { padding: 12px 0; border-bottom: 1px solid var(--trait); font-size: 1.05rem; }
}
@media (max-width: 620px) {
  .produit-grille, .grille-cartes, .competences { grid-template-columns: 1fr; }
  .frise li { grid-template-columns: 1fr; gap: 4px; }
  .hydro, .projets, .apropos, .parcours, .produit { padding-block: 60px; }
  .btn { padding: 13px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .revele-attente { opacity: 1; transform: none; }
}
.telephone video.pret + .son { display: block; }