/* AbysseSky — site vitrine. La page « descend » : ciel d'aube, mer de nuages, Brume, puis les bleus de l'Abysse. */

:root {
  /* couleurs du préfixe en jeu (§6 or, §b aqua, §3 aqua foncé) */
  --or: #ffaa00;
  --or-fonce: #6b3f00;
  --aqua: #55ffff;
  --aqua-fonce: #00aaaa;
  /* ciel */
  --aube: #fde4c8;
  --ciel-1: #f4e2d6;
  --ciel-2: #cfe6f6;
  --ciel-3: #a9d3ef;
  --ciel-4: #8cc1e2;
  /* profondeurs */
  --brume-1: #5d8aa3;
  --abysse-1: #1b4560;
  --abysse-2: #10304a;
  --abysse-3: #0a2136;
  --abysse-4: #061424;
  --fond: #02080f;
  /* textes */
  --encre: #0d2035;
  --encre-douce: #24405a;
  --lien-clair: #004f59;
  --texte-sombre: #e8f3fa;
  --texte-sombre-doux: #b2cbdc;
  /* bois du Port */
  --bois: #5a3a1f;
  --bois-clair: #8a5d33;
  --bois-texte: #fff3dc;
  --discord: #4752c4;

  --police: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  --police-titre: "Trebuchet MS", "Avenir Next", "Segoe UI", Ubuntu, system-ui, sans-serif;
  --police-mono: ui-monospace, "Cascadia Mono", "DejaVu Sans Mono", Menlo, Consolas, monospace;
  --largeur: 72rem;
  --px: 4px; /* le « pixel » du site */
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--police);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--encre);
  background: var(--fond);
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--lien-clair); text-underline-offset: .2em; }
code { font-family: var(--police-mono); font-size: .95em; }
h1, h2, h3, h4 { font-family: var(--police-titre); line-height: 1.15; margin: 0 0 .5em; }
h2 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); font-weight: 800; letter-spacing: -.01em; }
h3 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); font-weight: 800; }
h4 { font-size: 1.2rem; font-weight: 800; }
p { margin: 0 0 1em; }

.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;
}
.evitement {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--encre); color: #fff; padding: .6rem 1rem; font-weight: 700;
}
.evitement:focus { top: 1rem; }

:focus-visible { outline: 3px solid var(--encre); outline-offset: 3px; }
.strate-abysse :focus-visible, .direct :focus-visible, .fond :focus-visible, .pied :focus-visible {
  outline-color: var(--aqua);
}
main:focus { outline: none; }

.largeur { width: min(100% - 2rem, var(--largeur)); margin-inline: auto; }

/* ---------- en-tête ---------- */
.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgb(253 240 228 / .86);
  border-bottom: var(--px) solid rgb(13 32 53 / .12);
  backdrop-filter: blur(6px);
}
.nav {
  width: min(100% - 1.5rem, var(--largeur)); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: .5rem 1rem; flex-wrap: wrap;
  min-height: 3.5rem; padding-block: .35rem;
}
.nav-logo img { width: 9.5rem; }
.nav-liens { list-style: none; display: flex; gap: .15rem; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-liens a {
  display: block; padding: .45rem .7rem; font-weight: 700; color: var(--encre); text-decoration: none;
  font-size: .98rem; border-bottom: 3px solid transparent;
}
.nav-liens a:hover { border-bottom-color: var(--or); }
.nav-liens a[aria-current="true"] { border-bottom-color: var(--encre); }
@media (max-width: 30rem) {
  .nav { justify-content: center; }
  .nav-logo img { width: 8rem; }
  .nav-liens a { padding: .35rem .5rem; font-size: .92rem; }
}

/* ---------- jauge de profondeur (décor, grands écrans) ---------- */
.jauge { display: none; }
@media (min-width: 82rem) {
  .jauge {
    display: block; position: fixed; right: 1.1rem; top: 50%; transform: translateY(-50%); z-index: 40;
    width: 5.6rem; pointer-events: none;
    font-family: var(--police-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
    padding: .7rem .6rem .5rem .7rem; background: rgb(6 20 36 / .62); border: 2px solid rgb(85 255 255 / .25);
  }
  .jauge-rail {
    position: absolute; left: .7rem; top: .7rem; height: 22rem; width: 8px;
    background: linear-gradient(var(--ciel-2), var(--ciel-4) 30%, var(--brume-1) 50%, var(--abysse-2) 75%, var(--fond));
    border: 2px solid rgb(255 255 255 / .7); box-shadow: 0 0 0 2px rgb(13 32 53 / .35);
  }
  .jauge-repere {
    position: absolute; left: -7px; top: 0; width: 18px; height: 10px;
    background: var(--or); border: 2px solid var(--or-fonce);
    transform: translateY(calc(var(--progression, 0) * 21rem));
  }
  .jauge-etapes { list-style: none; margin: 0; padding: 0 0 0 1.2rem; height: 22rem; display: flex; flex-direction: column; justify-content: space-between; }
  .jauge-etapes li {
    color: #fff; text-shadow: 0 1px 0 rgb(0 0 0 / .55), 0 0 6px rgb(0 0 0 / .45);
  }
  .jauge-valeur {
    margin: .4rem 0 0; color: var(--or); font-weight: 700;
    text-shadow: 0 1px 0 rgb(0 0 0 / .7), 0 0 6px rgb(0 0 0 / .6);
  }
}

/* ---------- boutons ---------- */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .7rem 1.4rem;
  font: 800 1.05rem/1.1 var(--police-titre); letter-spacing: .02em; text-decoration: none; cursor: pointer;
  border: var(--px) solid; border-radius: 0;
  transition: transform .12s ease, box-shadow .12s ease;
}
.bouton:active { transform: translateY(3px); }
.bouton-or {
  background: var(--or); color: #1d1300; border-color: var(--or-fonce);
  box-shadow: inset 0 -5px 0 #c97f00, inset 0 4px 0 #ffd36b, 0 5px 0 var(--or-fonce);
}
.bouton-or:hover { background: #ffb928; }
.bouton-clair {
  background: #fff; color: var(--encre); border-color: var(--encre);
  box-shadow: inset 0 -5px 0 #d5e4ee, 0 5px 0 var(--encre);
}
.bouton-discord {
  background: var(--discord); color: #fff; border-color: #262c7a;
  box-shadow: inset 0 -5px 0 #353e9e, 0 5px 0 #262c7a;
}
.bouton-discord:hover { background: #5560d6; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bouton { transition: none; }
  .bouton:active { transform: none; }
}

/* ---------- le ciel (accueil) ---------- */
.ciel {
  position: relative; z-index: 2;
  background: linear-gradient(180deg, var(--aube) 0%, var(--ciel-1) 22%, var(--ciel-2) 60%, var(--ciel-3) 100%);
  padding: clamp(1.5rem, 4vw, 3rem) 0 0;
  text-align: center;
}
.ciel::before { /* soleil levant */
  content: ""; position: absolute; left: 50%; top: -14rem; width: min(40rem, 100%); height: 28rem; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgb(255 214 150 / .8), rgb(255 214 150 / 0));
  pointer-events: none;
}
.ciel-contenu { position: relative; width: min(100% - 2rem, 62rem); margin-inline: auto; }
.surtitre {
  display: inline-block; margin: 0 0 .5rem; padding: .25rem .7rem;
  font: 700 .8rem/1.4 var(--police-mono); text-transform: uppercase; letter-spacing: .12em;
  background: rgb(255 255 255 / .7); color: var(--encre); border: 2px solid rgb(13 32 53 / .2);
}
.logo-ile { margin: 0 auto; max-width: 46rem; }
.logo-ile img { width: 100%; filter: drop-shadow(0 18px 18px rgb(16 48 74 / .25)); animation: flotte 7s ease-in-out infinite; }
@keyframes flotte { 50% { transform: translateY(-10px); } }
.accroche {
  font: 800 clamp(1.25rem, 1rem + 1.4vw, 1.85rem)/1.3 var(--police-titre);
  max-width: 40rem; margin: .5rem auto 1rem; color: var(--encre); text-wrap: balance;
}
.genres {
  display: flex; justify-content: center; flex-wrap: wrap; gap: .4rem .7rem; margin: 0 0 1.6rem;
  font: 700 .85rem/1 var(--police-mono); text-transform: uppercase; letter-spacing: .14em; color: var(--encre-douce);
}
.actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem 1.2rem; margin-bottom: 2.5rem; }

.nuages { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.nuage { position: absolute; image-rendering: pixelated; opacity: .95; animation: derive linear infinite; }
.n1 { width: 15rem; top: 9%; left: -4%; animation-duration: 90s; }
.n2 { width: 9rem; top: 22%; right: 6%; animation-duration: 70s; animation-direction: reverse; }
.n3 { width: 12rem; top: 52%; right: -3%; animation-duration: 110s; opacity: .8; }
.n4 { width: 7rem; top: 40%; left: 5%; animation-duration: 80s; animation-direction: reverse; opacity: .85; }
.n5 { width: 10rem; top: 70%; left: 30%; animation-duration: 120s; opacity: .7; }
@keyframes derive { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(3rem); } }
@media (max-width: 40rem) { .n3, .n5 { display: none; } .n1 { width: 9rem; } .n2 { width: 6rem; } }
@media (prefers-reduced-motion: reduce) { .nuage, .logo-ile img { animation: none; } }

/* captures : cadres en bois, coins taillés en pixels */
.cadre {
  margin: 0; position: relative;
  background: var(--bois); padding: 8px;
  clip-path: polygon(0 8px, 8px 8px, 8px 0, calc(100% - 8px) 0, calc(100% - 8px) 8px, 100% 8px, 100% calc(100% - 8px),
    calc(100% - 8px) calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 8px calc(100% - 8px), 0 calc(100% - 8px));
  box-shadow: inset 0 0 0 4px var(--bois-clair);
}
.cadre img { width: 100%; background: var(--ciel-3); }
.cadre figcaption {
  padding: .45rem .5rem .1rem; color: var(--bois-texte); font: 700 .92rem/1.3 var(--police-titre); text-align: left;
}
.cadre-sombre { background: #1d2a36; box-shadow: inset 0 0 0 4px #3b5266; }
.cadre-sombre img { background: var(--abysse-3); }

.carnet {
  position: relative; z-index: 2;
  width: min(100% - 2rem, var(--largeur)); margin: 0 auto -3.5rem;
  display: grid; gap: 1.2rem; grid-template-columns: 1fr;
}
@media (min-width: 52rem) {
  .carnet { grid-template-columns: 1.15fr 1fr; grid-template-rows: auto auto; align-items: start; }
  .cadre-1 { grid-row: span 2; transform: rotate(-1.2deg); }
  .cadre-2 { transform: rotate(1deg); }
  .cadre-3 { transform: rotate(-.6deg); }
}

.mer-nuages {
  position: relative; z-index: 1; height: 7rem;
  background: url("/img/mer-nuages.svg") repeat-x left top / 24rem 6rem, linear-gradient(transparent 4rem, #fff 4rem);
  background-color: var(--ciel-3);
}

/* ---------- sections communes ---------- */
.strate { padding: clamp(3rem, 6vw, 5.5rem) 0; }
.etiquette {
  display: inline-block; margin: 0 0 .7rem; padding: .2rem .6rem;
  font: 700 .78rem/1.4 var(--police-mono); text-transform: uppercase; letter-spacing: .14em;
  color: var(--encre); background: rgb(255 255 255 / .75); border-left: var(--px) solid var(--or);
}
.etiquette-sombre { color: var(--aqua); background: rgb(0 0 0 / .3); border-left-color: var(--aqua); }
.intro { font-size: 1.15rem; max-width: 46rem; }
.sous-titre { margin-top: 2.5rem; }

/* ---------- le quai (rejoindre) ---------- */
.quai { background: linear-gradient(#fff 0, var(--ciel-2) 14rem, var(--ciel-3) 100%); padding-top: 6rem; }
.panneau {
  margin: 1.8rem 0; padding: 1.2rem clamp(1rem, 3vw, 2rem) 1rem;
  background: var(--bois); color: var(--bois-texte);
  border: var(--px) solid #2f1d0d; box-shadow: inset 0 0 0 4px var(--bois-clair), 0 8px 0 rgb(13 32 53 / .25);
  max-width: 44rem;
}
.panneau-titre { margin: 0 0 .5rem; font: 700 .82rem/1.3 var(--police-mono); text-transform: uppercase; letter-spacing: .14em; color: #ffd98c; }
.adresse-ligne { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; }
.adresse {
  font: 700 clamp(1.3rem, .9rem + 2.2vw, 2.1rem)/1.2 var(--police-mono);
  color: #fff; user-select: all; overflow-wrap: anywhere;
  background: rgb(0 0 0 / .28); padding: .35rem .6rem;
}
.adresse-secours { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .7rem; margin: .9rem 0 0; font-size: .95rem; color: #f3dfbf; }
.adresse-ip { font: 700 1rem/1.2 var(--police-mono); color: #fff; user-select: all; background: rgb(0 0 0 / .22); padding: .2rem .45rem; overflow-wrap: anywhere; }
.bouton-petit {
  min-height: 2.2rem; padding: .3rem .8rem; font-size: .9rem; border-width: 3px;
  background: var(--bois-texte); color: #2f1d0d; border-color: #2f1d0d; box-shadow: 0 3px 0 #2f1d0d;
}
.bouton-petit:hover { background: #fff; }
.copie-retour { min-height: 1.6em; margin: .6rem 0 0; font-weight: 700; color: #ffe2a3; }
.faits { list-style: none; padding: 0; margin: 0; display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.faits li {
  display: flex; gap: .8rem; align-items: flex-start; padding: .9rem 1rem;
  background: rgb(255 255 255 / .72); border: 2px solid rgb(13 32 53 / .15);
}
.faits img, .pilier h3 img, .juste h3 img, .etape-icone {
  width: 32px; height: 32px; flex: none; image-rendering: pixelated;
}
.etapes { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); counter-reset: none; }
.etape {
  position: relative; padding: 1.4rem 1.2rem 1rem; background: #fff;
  border: var(--px) solid var(--encre); box-shadow: 6px 6px 0 rgb(13 32 53 / .25);
}
.etape-num {
  position: absolute; top: -1.1rem; left: 1rem; width: 2.2rem; height: 2.2rem; display: grid; place-items: center;
  font: 800 1.2rem/1 var(--police-titre); background: var(--or); color: #1d1300; border: 3px solid var(--or-fonce);
}
.etape-icone { width: 48px; height: 48px; margin: .3rem 0 .6rem; }
.etape-capture { width: 100%; margin: .3rem 0 .7rem; border: 3px solid var(--bois); }
.etape code { background: var(--ciel-2); padding: .05rem .3rem; overflow-wrap: anywhere; }
.discord-ligne { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; margin: 2.5rem 0 0; }
.discord-ligne span { max-width: 30rem; color: var(--encre-douce); font-weight: 600; }

/* ---------- le jeu ---------- */
.strate-ile { background: linear-gradient(var(--ciel-3), var(--ciel-4)); }
.pilier {
  display: grid; gap: 1.2rem 2.5rem; align-items: center; margin-top: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 56rem) {
  .pilier { grid-template-columns: 1.1fr 1fr; }
  .pilier-inverse { grid-template-columns: 1fr 1.1fr; }
}
.pilier h3 { display: flex; align-items: center; gap: .6rem; }
.pilier-texte {
  background: rgb(255 255 255 / .6); padding: 1.2rem 1.3rem .3rem; border-left: var(--px) solid var(--encre);
}
.habitants-liste { background: var(--bois); color: var(--bois-texte); padding: 1rem 1.2rem; border: var(--px) solid #2f1d0d; }
.habitants-titre { margin: 0 0 .6rem; font: 700 .82rem/1.3 var(--police-mono); text-transform: uppercase; letter-spacing: .12em; color: #ffd98c; }
.habitants-liste ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr)); gap: .35rem .8rem; }
.habitants-liste li { font-weight: 700; padding-left: 1rem; position: relative; }
.habitants-liste li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; background: var(--or); }

.brume {
  height: 9rem;
  background: url("/img/brume.svg") repeat-x left bottom / 28rem 9rem, linear-gradient(var(--ciel-4), var(--brume-1) 55%, var(--abysse-1));
}
.strate-abysse {
  color: var(--texte-sombre);
  background:
    radial-gradient(60rem 30rem at 85% 75%, rgb(85 255 255 / .08), transparent 70%),
    linear-gradient(var(--abysse-1), var(--abysse-2) 45%, var(--abysse-3));
}
.strate-abysse a { color: var(--aqua); }
.titre-section { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); }
.plongee { display: grid; gap: 1.5rem 2.5rem; grid-template-columns: 1fr; align-items: center; margin-top: 1rem; }
@media (min-width: 56rem) { .plongee { grid-template-columns: 1fr 1.1fr; } }
.plongee-texte strong { color: var(--aqua); }

/* les strates, en paliers qui s'enfoncent */
.strates { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 6px; }
.strates li {
  display: grid; grid-template-columns: 7.5rem 1fr; gap: .2rem 1rem; align-items: baseline;
  padding: .9rem 1.1rem; border-left: 6px solid var(--aqua);
}
.strates strong { font: 800 1.2rem/1.2 var(--police-titre); grid-column: 2; }
.strates span:last-child { grid-column: 2; color: var(--texte-sombre-doux); }
.strate-num { grid-row: span 2; font: 700 .78rem/1.6 var(--police-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--aqua); }
.strates .s1 { background: #1d4d63; margin-right: 0; }
.strates .s2 { background: #173f57; margin-left: 4%; }
.strates .s3 { background: #12324a; margin-left: 8%; border-left-color: #7fe0c8; }
.strates .s4 { background: #2a1d1b; margin-left: 12%; border-left-color: #ff8a3d; }
.strates .s4 .strate-num { color: #ffb37a; }
.strates .s5 { background: #120d22; margin-left: 16%; border-left-color: #c79bff; }
.strates .s5 .strate-num { color: #d8b9ff; }
@media (max-width: 40rem) {
  .strates li { grid-template-columns: 1fr; margin-left: 0 !important; }
  .strates strong, .strates span:last-child { grid-column: 1; }
  .strate-num { grid-row: auto; }
}

.juste {
  margin-top: 3rem; padding: 1.3rem 1.4rem .4rem; max-width: 50rem;
  background: rgb(0 0 0 / .25); border: 2px solid rgb(85 255 255 / .35);
}
.juste h3 { display: flex; align-items: center; gap: .6rem; color: var(--or); }
.juste ul { margin: 0 0 1rem; padding-left: 1.2rem; }
.juste li { margin-bottom: .5rem; }

/* ---------- en direct ---------- */
.direct {
  color: var(--texte-sombre);
  background: linear-gradient(var(--abysse-3), var(--abysse-4));
  border-top: 2px solid rgb(85 255 255 / .12);
}
.direct-grille { display: grid; gap: 1.4rem; grid-template-columns: 1fr; margin-top: 1rem; }
@media (min-width: 56rem) { .direct-grille { grid-template-columns: 1fr 1.6fr; align-items: start; } }
.carte-direct {
  padding: 1.3rem 1.4rem; background: rgb(255 255 255 / .04);
  border: 2px solid rgb(85 255 255 / .28); box-shadow: inset 0 0 0 4px rgb(0 0 0 / .25);
  min-height: 12rem;
}
.carte-direct h3 { color: var(--or); }
.etat { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.15rem; }
.voyant { width: 14px; height: 14px; flex: none; background: #7c8b96; box-shadow: 0 0 0 3px rgb(255 255 255 / .12); }
.etat[data-etat="en-ligne"] .voyant { background: #4be37a; box-shadow: 0 0 0 3px rgb(75 227 122 / .25), 0 0 12px #4be37a; }
.etat[data-etat="hors-ligne"] .voyant { background: #ff6b5c; }
.etat[data-etat="chargement"] .voyant { animation: clignote 1.2s steps(2) infinite; }
@keyframes clignote { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .etat[data-etat="chargement"] .voyant { animation: none; } }
.joueurs { font-size: 1.05rem; }
.joueurs strong { font: 800 2rem/1 var(--police-titre); color: var(--aqua); margin-right: .2rem; }
.pseudos { list-style: none; margin: 0 0 1rem; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.pseudos li {
  font: 700 .9rem/1.2 var(--police-mono); padding: .3rem .5rem; background: rgb(85 255 255 / .1);
  border: 1px solid rgb(85 255 255 / .35); overflow-wrap: anywhere;
}
.petit { font-size: .9rem; color: var(--texte-sombre-doux); }
.maj { margin-top: 1rem; }
.message-classement { color: var(--texte-sombre-doux); font-weight: 600; }
.message-classement:empty { display: none; }
.reseau { margin-top: .6rem; padding: .6rem .9rem; background: #3a2a10; color: #ffe2a3; border-left: var(--px) solid var(--or); font-weight: 700; }

.classement { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.classement caption { text-align: left; color: var(--texte-sombre-doux); font-size: .9rem; padding-bottom: .6rem; }
.classement th, .classement td { padding: .55rem .5rem; text-align: left; border-bottom: 1px solid rgb(178 203 220 / .18); overflow-wrap: anywhere; }
.classement th { font: 700 .75rem/1.3 var(--police-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--aqua); }
.classement .num { text-align: right; white-space: nowrap; }
.classement td:first-child { width: 3.2rem; font-weight: 800; }
.classement tr.r1 td:first-child { color: var(--or); }
.classement tr.r2 td:first-child { color: #dfe7ee; }
.classement tr.r3 td:first-child { color: #e9a66b; }
.classement td.ile { font-weight: 700; }
@media (max-width: 34rem) {
  .classement th, .classement td { padding: .5rem .3rem; font-size: .92rem; }
  .classement td:first-child { width: 2.2rem; }
}

/* ---------- le fond ---------- */
.fond {
  color: var(--texte-sombre);
  background:
    radial-gradient(40rem 20rem at 50% 100%, rgb(85 255 255 / .07), transparent 70%),
    linear-gradient(var(--abysse-4), var(--fond));
}
.regles-grille { display: grid; gap: 2rem; grid-template-columns: 1fr; margin-top: 1rem; }
@media (min-width: 56rem) { .regles-grille { grid-template-columns: 1.3fr 1fr; } }
.regles { margin: 0; padding: 0; list-style: none; counter-reset: regle; display: grid; gap: .6rem; }
.regles li {
  counter-increment: regle; position: relative; padding: .8rem 1rem .8rem 3.4rem;
  background: rgb(255 255 255 / .04); border-left: var(--px) solid var(--aqua-fonce);
}
.regles li::before {
  content: counter(regle); position: absolute; left: .8rem; top: .7rem; width: 1.8rem; height: 1.8rem; display: grid; place-items: center;
  font: 800 1rem/1 var(--police-titre); color: #00262b; background: var(--aqua);
}
.regles strong { color: #fff; }
.contact { padding: 1.3rem 1.4rem .4rem; border: 2px solid rgb(255 170 0 / .45); background: rgb(255 170 0 / .05); }
.contact h3 { color: var(--or); }

/* ---------- pied de page ---------- */
.pied { background: var(--fond); color: var(--texte-sombre-doux); padding: 2.5rem 0 3rem; border-top: 2px solid rgb(85 255 255 / .12); font-size: .95rem; }
.pied-contenu { text-align: center; }
.pied-logo { width: 11rem; margin: 0 auto 1rem; }
.pied a { color: var(--aqua); }
.pied code { color: var(--texte-sombre); }

/* ---------- page 404 ---------- */
.perdu {
  min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 2rem 1rem;
  color: var(--texte-sombre);
  background: linear-gradient(var(--ciel-3), var(--brume-1) 14%, var(--abysse-2) 34%, var(--fond));
}
.perdu h1 { font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem); text-shadow: 0 2px 0 rgb(0 0 0 / .35); }
.perdu-code { font: 800 clamp(4rem, 3rem + 6vw, 7rem)/1 var(--police-mono); color: var(--or); text-shadow: 0 6px 0 var(--or-fonce); margin: 0 0 1rem; }
.perdu p { max-width: 32rem; margin-inline: auto; }
.perdu .logo { width: 12rem; margin: 0 auto 2rem; }
.perdu .bouton { margin-top: 1rem; }
.perdu :focus-visible { outline-color: var(--aqua); }

@media print {
  .entete, .jauge, .nuages, .mer-nuages, .brume { display: none; }
  body, .strate-abysse, .direct, .fond, .pied { background: #fff !important; color: #000 !important; }
}