/* Nuancier des bassins — tout le site est un nuancier de verts.
   Navigation = colonne de pastilles de couleur (bande défilante sur mobile), accueil = éventail de 7 nuances,
   pages = une teinte pleine en tête (aucune photo en haut), fiche technique en pastilles, photos présentées comme des échantillons. */
@font-face { font-family: "Syne"; src: url("polices/syne-normal-600-800.woff2") format("woff2"); font-weight: 600 800; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("polices/publicsans-normal-400-700.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("polices/publicsans-italic-400.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --encre: #0b2b2e; --papier: #fbfdfc; --gris: #536a6d; --filet: #d5e3df;
  --n1: #e3f1ea; --n2: #b9e0cf; --n3: #7fc8ad; --n4: #3fa98a; --n5: #1d7f6c; --n6: #0f5a57; --n7: #0a3d45;
  --corail: #ff6f59; --corail-pale: #ffe3dd;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papier); color: var(--encre); font: 400 17px/1.65 "Public Sans", system-ui, sans-serif; }
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; }
h1, h2, h3 { font-family: "Syne", "Public Sans", sans-serif; letter-spacing: -.01em; }
.saut { position: absolute; left: -9999px; top: 0; background: var(--encre); color: #fff; padding: 8px 12px; z-index: 50; }
.saut:focus { left: 8px; top: 8px; }

/* ---------- navigation : colonne de pastilles ---------- */
.cadre { display: grid; grid-template-columns: 112px minmax(0, 1fr); min-height: 100vh; }
.pastilles { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; border-right: 1px solid var(--filet); }
.pastilles a { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; padding: 8px 10px 10px; text-decoration: none; font-size: 11.5px; line-height: 1.2; font-weight: 600; }
.pastilles a span { display: block; font: 700 10px/1 "Syne", sans-serif; opacity: .75; margin-bottom: 4px; letter-spacing: .06em; }
.pastilles .p0 { background: var(--papier); } .pastilles .p1 { background: var(--n1); } .pastilles .p2 { background: var(--n2); }
.pastilles .p3 { background: var(--n3); } .pastilles .p4 { background: var(--n4); } .pastilles .p5 { background: var(--n5); color: #fff; }
.pastilles .p6 { background: var(--n6); color: #fff; } .pastilles .p7 { background: var(--n7); color: #fff; }
.pastilles .p8 { background: var(--corail); } .pastilles .p9 { background: var(--encre); color: #fff; }
.pastilles a[aria-current] { box-shadow: inset 6px 0 0 var(--corail); }
.pastilles .p8[aria-current] { box-shadow: inset 6px 0 0 var(--encre); }
.pastilles a:hover { filter: brightness(1.06); }

main { min-width: 0; }
.int { max-width: 1120px; margin: 0 auto; padding: 0 40px; }

/* ---------- accueil ---------- */
.titrage { padding: 56px 0 28px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 40px; align-items: end; }
.titrage h1 { font-size: clamp(42px, 6.4vw, 86px); line-height: .95; margin: 0; font-weight: 800; }
.titrage h1 em { font-style: normal; color: var(--n5); }
.titrage p { margin: 0 0 10px; color: var(--gris); font-size: 18px; }
.titrage .ref { font: 700 12px/1 "Syne", sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--n5); margin-bottom: 18px; display: block; }

.eventail { list-style: none; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; margin: 26px 0 70px; padding: 30px 0 10px; }
.eventail li { min-width: 0; margin-left: -10px; position: relative; transform-origin: 50% 120%; transition: transform .25s ease; }
.eventail li:first-child { margin-left: 0; }
.eventail li:nth-child(1) { transform: rotate(-7deg); } .eventail li:nth-child(2) { transform: rotate(-4.5deg) translateY(-8px); }
.eventail li:nth-child(3) { transform: rotate(-2deg) translateY(-14px); } .eventail li:nth-child(4) { transform: translateY(-16px); }
.eventail li:nth-child(5) { transform: rotate(2deg) translateY(-14px); } .eventail li:nth-child(6) { transform: rotate(4.5deg) translateY(-8px); }
.eventail li:nth-child(7) { transform: rotate(7deg); }
.eventail li:hover, .eventail li:focus-within { transform: translateY(-26px) rotate(0); z-index: 5; }
.nuance { height: 100%; min-height: 470px; border-radius: 6px; padding: 14px 14px 16px; display: flex; flex-direction: column; text-decoration: none;
  box-shadow: 0 10px 26px rgba(11, 43, 46, .16); background: #fff; border: 1px solid rgba(0,0,0,.06); }
.nuance .teinte { flex: 1; min-height: 190px; border-radius: 3px; position: relative; overflow: hidden; }
.nuance .teinte img { position: absolute; left: 12px; right: 12px; bottom: 12px; width: calc(100% - 24px); aspect-ratio: 1; object-fit: cover; border: 3px solid #fff; }
.nuance b { display: block; font: 700 15px/1.15 "Syne", sans-serif; margin-top: 12px; }
.nuance small { display: block; font-size: 12px; color: var(--gris); margin-top: 4px; line-height: 1.35; }
.nuance code { font: 600 11px/1 "Public Sans", sans-serif; letter-spacing: .08em; color: var(--n5); margin-top: 8px; display: block; }

.lecture { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; padding: 20px 0 64px; border-top: 1px solid var(--filet); }
.lecture h2 { font-size: 34px; line-height: 1.05; margin: 28px 0 14px; }
.degrade { grid-column: 1 / -1; height: 74px; border-radius: 6px; background: linear-gradient(90deg, var(--n1), var(--n2) 18%, var(--n3) 34%, var(--n4) 52%, var(--n5) 68%, var(--n6) 84%, var(--n7)); }
.graduations { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: -36px; font-size: 13px; }
.graduations div { border-left: 2px solid var(--encre); padding: 46px 10px 0 10px; }
.graduations b { display: block; font-family: "Syne", sans-serif; font-size: 15px; }

.hors { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); background: var(--corail-pale); border-radius: 6px; overflow: hidden; margin: 0 0 70px; }
.hors img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.hors div { padding: 30px 34px; align-self: center; }
.hors .code { font: 700 12px/1 "Syne", sans-serif; letter-spacing: .14em; text-transform: uppercase; color: #b8361f; }
.hors h2 { font-size: 34px; line-height: 1.05; margin: 12px 0 12px; }
.hors p { margin: 0 0 14px; }
.hors a.bouton { display: inline-block; text-decoration: none; padding: 10px 16px; border-radius: 30px; background: var(--corail); font-weight: 700; }

.echantillons { padding: 10px 0 70px; }
.echantillons h2, .nouveau h2 { font-size: 34px; margin: 0 0 6px; }
.echantillons > p { color: var(--gris); max-width: 640px; margin: 0 0 26px; }
.puces { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.puce { display: block; background: #fff; border: 1px solid var(--filet); border-radius: 4px; padding: 10px 10px 14px; text-decoration: none; height: 100%; }
.puce img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.puce b { display: block; margin-top: 10px; font: 700 15px/1.2 "Syne", sans-serif; }
.puce span { font-size: 13px; color: var(--gris); }
.puces li:nth-child(2) { margin-top: 38px; } .puces li:nth-child(4) { margin-top: 24px; }

.nouveau { padding: 0 0 60px; }
.nouveau ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.nouveau a { display: block; text-decoration: none; border-left: 8px solid var(--n4); background: #fff; padding: 14px 16px; height: 100%; }
.nouveau b { display: block; font-family: "Syne", sans-serif; }
.nouveau span { font-size: 14px; color: var(--gris); }

/* ---------- pied ---------- */
.pied { background: var(--n7); color: #dfeee9; margin-top: 30px; }
.pied .bande { height: 14px; background: linear-gradient(90deg, var(--n1), var(--n3), var(--n5), var(--corail)); }
.pied .int { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, .8fr); gap: 40px; padding-top: 34px; padding-bottom: 40px; font-size: 15px; }
.pied .nom { font: 800 22px/1 "Syne", sans-serif; display: block; margin-bottom: 10px; color: #fff; text-decoration: none; }
.pied strong { display: block; color: #fff; font-family: "Syne", sans-serif; margin-bottom: 6px; }
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li { margin: 0 0 4px; }
.pied p { margin: 0 0 10px; }
.pied .bas { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.18); padding-top: 16px; font-size: 14px; }

/* ---------- pages intérieures ---------- */
.aplat { padding: 56px 0 50px; color: var(--encre); }
.aplat.n1 { background: var(--n1); } .aplat.n2 { background: var(--n2); } .aplat.n3 { background: var(--n3); } .aplat.n4 { background: var(--n4); }
.aplat.n5 { background: var(--n5); color: #fff; } .aplat.n6 { background: var(--n6); color: #fff; } .aplat.n7 { background: var(--n7); color: #fff; }
.aplat.corail { background: var(--corail); } .aplat.encre { background: var(--encre); color: #fff; }
.aplat .fil { font-size: 14px; margin: 0 0 18px; opacity: .9; }
.aplat .code { font: 700 13px/1 "Syne", sans-serif; letter-spacing: .16em; text-transform: uppercase; opacity: .85; }
.aplat h1 { font-size: clamp(34px, 5vw, 62px); line-height: 1.02; margin: 14px 0 16px; max-width: 900px; font-weight: 800; }
.aplat .chapo { max-width: 720px; margin: 0; font-size: 19px; }
.aplat .voisines { display: flex; gap: 6px; margin-top: 26px; }
.aplat .voisines i { width: 30px; height: 30px; border-radius: 50%; border: 2px solid rgba(255,255,255,.75); }

.feuille { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; padding: 48px 0 70px; }
.feuille.seule { grid-template-columns: minmax(0, 1fr); }
.fiche { position: sticky; top: 24px; align-self: start; }
.fiche h2 { font-size: 15px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 12px; }
.fiche ul { list-style: none; margin: 0; padding: 0; }
.fiche li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--filet); font-size: 14px; line-height: 1.3; }
.fiche li i { width: 28px; height: 28px; border-radius: 50%; }
.fiche li:nth-child(1) i { background: var(--n1); } .fiche li:nth-child(2) i { background: var(--n2); } .fiche li:nth-child(3) i { background: var(--n3); }
.fiche li:nth-child(4) i { background: var(--n4); } .fiche li:nth-child(5) i { background: var(--n5); } .fiche li:nth-child(6) i { background: var(--n6); }
.fiche li b { display: block; font-family: "Syne", sans-serif; }

.texte { min-width: 0; }
.texte h2 { font-size: 30px; line-height: 1.1; margin: 46px 0 12px; display: flex; gap: 14px; align-items: center; clear: both; }
.texte > h2:first-child { margin-top: 0; }
.texte h2::before { content: ""; flex: 0 0 22px; height: 22px; border-radius: 4px; background: var(--n4); }
.texte h2.c2::before { background: var(--n2); } .texte h2.c3::before { background: var(--n3); } .texte h2.c5::before { background: var(--n5); }
.texte h2.c6::before { background: var(--n6); } .texte h2.c7::before { background: var(--n7); }
.texte h3 { font-size: 21px; margin: 28px 0 8px; }
.texte p, .texte ul { margin: 0 0 16px; max-width: 700px; }
.texte ul { padding-left: 22px; }
.texte li { margin-bottom: 6px; }
.chip { float: right; width: 280px; margin: 6px 0 18px 28px; background: #fff; border: 1px solid var(--filet); padding: 9px 9px 12px; border-radius: 4px; }
.chip.gauche { float: left; margin: 6px 28px 18px 0; }
.chip img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.chip figcaption, .large figcaption { font-size: 13px; line-height: 1.4; }
.chip figcaption { color: var(--gris); margin-top: 8px; }
.chip figcaption b { display: block; color: var(--encre); font-family: "Syne", sans-serif; }
.large { clear: both; margin: 30px 0; display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.large img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; }
.large figcaption { background: var(--n6); color: #fff; padding: 18px; font-size: 14px; display: flex; flex-direction: column; justify-content: flex-end; }
.large figcaption b { font: 800 24px/1.05 "Syne", sans-serif; margin-bottom: 8px; }
.etapes { counter-reset: e; list-style: none; padding: 0; margin: 20px 0 26px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; clear: both; }
.etapes li { counter-increment: e; border-top: 8px solid var(--n4); background: #fff; padding: 14px 14px 16px; font-size: 15px; line-height: 1.45; border-radius: 0 0 4px 4px; box-shadow: 0 1px 0 var(--filet); }
.etapes li:nth-child(2) { border-color: var(--n5); } .etapes li:nth-child(3) { border-color: var(--n6); }
.etapes li:nth-child(4) { border-color: var(--n7); } .etapes li:nth-child(5) { border-color: var(--n3); } .etapes li:nth-child(6) { border-color: var(--corail); }
.etapes li::before { content: "0" counter(e); display: block; font: 800 22px/1 "Syne", sans-serif; margin-bottom: 8px; color: var(--n5); }
.etapes strong { display: block; }
.tableau { clear: both; overflow-x: auto; margin: 22px 0 26px; max-width: 760px; }
.tableau table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.4; }
.tableau th { text-align: left; font: 700 13px/1.2 "Syne", sans-serif; letter-spacing: .06em; text-transform: uppercase; background: var(--n6); color: #fff; padding: 10px 12px; }
.tableau td { padding: 10px 12px; border-bottom: 1px solid var(--filet); vertical-align: top; background: #fff; }
.tableau tr:nth-child(even) td { background: #f2f8f5; }
.note { clear: both; border-left: 6px solid var(--corail); background: #fff; padding: 14px 18px; margin: 26px 0; max-width: 700px; font-size: 15px; }
.note p { margin: 0; }
.sources { clear: both; margin: 40px 0 0; padding: 18px 20px; background: var(--n1); border-radius: 4px; max-width: 700px; font-size: 14px; }
.sources p { margin: 0 0 6px; font: 700 13px/1.2 "Syne", sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.sources ul { margin: 0; padding-left: 18px; }
.voir { clear: both; margin: 26px 0 0; font-size: 15px; }
.suite { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; clear: both; }
.suite a { text-decoration: none; padding: 10px 14px; border-radius: 30px; background: var(--n1); font-weight: 600; font-size: 15px; }
.suite a:nth-child(2) { background: var(--n2); }
.liste-404 { columns: 2; max-width: 760px; }

/* ---------- mobile ---------- */
@media (max-width: 900px) {
  .cadre { display: block; }
  .pastilles { position: sticky; top: 0; z-index: 10; height: auto; flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--filet); }
  .pastilles a { flex: 0 0 100px; min-height: 60px; padding: 8px; }
  .pastilles a[aria-current], .pastilles .p8[aria-current] { box-shadow: inset 0 -5px 0 var(--corail); }
  .pastilles .p8[aria-current] { box-shadow: inset 0 -5px 0 var(--encre); }
  .int { padding: 0 16px; }
  .titrage { grid-template-columns: 1fr; gap: 16px; padding-top: 34px; }
  .eventail { grid-template-columns: 1fr 1fr; gap: 14px; margin: 10px 0 40px; padding: 0; }
  .eventail li, .eventail li:nth-child(n), .eventail li:hover { transform: none; margin: 0; }
  .nuance { min-height: 300px; }
  .eventail li:nth-child(7) { grid-column: 1 / -1; }
  .eventail li:nth-child(7) .nuance { min-height: 220px; }
  .eventail li:nth-child(7) .teinte img { width: 44%; left: auto; }
  .lecture { grid-template-columns: 1fr; gap: 0; }
  .graduations { grid-template-columns: 1fr 1fr; row-gap: 12px; }
  .hors { grid-template-columns: 1fr; }
  .hors div { padding: 22px 18px; }
  .puces { grid-template-columns: 1fr 1fr; gap: 12px; }
  .puces li:nth-child(n) { margin-top: 0; }
  .nouveau ul { grid-template-columns: 1fr; }
  .pied .int { grid-template-columns: 1fr; gap: 18px; }
  .feuille { grid-template-columns: 1fr; gap: 28px; padding-top: 30px; }
  .fiche { position: static; }
  .chip, .chip.gauche { float: none; width: 100%; margin: 18px 0; }
  .large { grid-template-columns: 1fr; }
  .etapes { grid-template-columns: 1fr; }
  .aplat { padding: 36px 0 32px; }
  .liste-404 { columns: 1; }
}