/* /rules — toutes les règles (s'ajoute à base.css + site.css) */
[hidden] { display: none !important; }

/* hero + « launch in one minute » */
.hero-rules { min-height: 0; padding: 34px 0 44px; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.hero-rules h1 { font-size: clamp(2.4rem, 4.6vw, 4.1rem); }
.hero-rules .note { max-width: 40ch; }
.cutframe.quick { aspect-ratio: auto; }
.cutframe.quick .cut-view { position: relative; inset: auto; }
.quick-steps { list-style: none; counter-reset: q; margin: 0; padding: 58px 40px 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 34px; }
.quick-steps li { counter-increment: q; display: grid; grid-template-columns: 2.6rem 1fr; gap: 2px 10px; padding: 16px 0; border-top: 1px solid var(--rule); }
.quick-steps li:nth-child(n+3) { border-bottom: 1px solid var(--rule); }
.quick-steps li::before { content: counter(q); grid-row: span 2; font: 500 2rem/1 var(--f-num); color: var(--pollen); }
.quick-steps b { font: 400 1.15rem/1.25 var(--f-title); }
.quick-steps span { font-size: .92rem; color: var(--ink-2); line-height: 1.45; }
.quick-steps a { color: var(--ink); }

/* règles détaillées : sommaire collant + accordéon */
.rules { padding: 30px 0 20px; scroll-margin-top: 16px; }
.rules .intro { margin-bottom: 26px; }
.link-btn { font: inherit; color: var(--ink); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-decoration-color: var(--pollen); text-underline-offset: 3px; font-style: italic; }
.link-btn:focus-visible { outline: 2px solid var(--pollen); outline-offset: 2px; }
.rules-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 44px; align-items: start; }
.toc { position: sticky; top: 20px; }
.toc .plate-no { margin: 0 0 12px; }
.toc ol { list-style: none; counter-reset: t; margin: 0; padding: 0; border-left: 1px solid var(--rule-strong); }
.toc li { counter-increment: t; }
.toc a { display: grid; grid-template-columns: 2.4em 1fr; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 2px solid transparent;
  text-decoration: none; font-size: .92rem; color: var(--ink-2); transition: color .25s, border-color .25s; }
.toc a::before { content: "§ " counter(t); font: 400 .7rem/1.9 var(--f-num); color: var(--ink-2); }
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--ink); border-left-color: var(--pollen); }
.toc a.is-active::before { color: var(--pollen); }
.toc a:focus-visible { outline: 2px solid var(--pollen); outline-offset: -2px; }

.acc { border-top: 1px solid var(--ink); }
.rule { border-bottom: 1px solid var(--rule-strong); scroll-margin-top: 16px; }
.rule h3 { margin: 0; font-size: 17px; font-weight: 400; }
.rule h3 button { all: unset; box-sizing: border-box; width: 100%; cursor: pointer; display: grid; grid-template-columns: 3.4em minmax(0, 1fr) auto 22px;
  align-items: baseline; gap: 4px 16px; padding: 20px 4px; }
.rule h3 button:focus-visible { outline: 2px solid var(--pollen); outline-offset: -2px; }
.rule .n { font: 400 .78rem/1 var(--f-num); color: var(--pollen); letter-spacing: .04em; }
.rule .t { font: 400 clamp(1.25rem, 2vw, 1.6rem)/1.2 var(--f-title); letter-spacing: -.01em; }
.rule .k { font: 400 .7rem/1.2 var(--f-num); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); text-align: right; }
.rule .plus { position: relative; width: 16px; height: 16px; align-self: center; transition: transform .35s ease; }
.rule .plus::before, .rule .plus::after { content: ""; position: absolute; background: var(--ink); }
.rule .plus::before { left: 0; right: 0; top: 7.5px; height: 1px; }
.rule .plus::after { top: 0; bottom: 0; left: 7.5px; width: 1px; }
.rule:not(.closed) .plus { transform: rotate(45deg); }
.rule h3 button:hover .t { text-decoration: underline; text-decoration-color: var(--rule-strong); text-underline-offset: 5px; }
/* hauteur animée (port du height: auto de motion) */
.panel { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .4s ease, opacity .4s ease; }
.panel-in { overflow: hidden; min-height: 0; padding: 0 4px 0 calc(3.4em + 20px); }
.panel-in > :first-child { margin-top: 0; }
.panel-in > :last-child { margin-bottom: 26px; }
.rule.closed .panel { grid-template-rows: 0fr; opacity: 0; }
.panel-in p { margin: 0 0 .9em; max-width: 64ch; }
.panel-in .cap { font: italic .92rem/1.5 var(--f-text); color: var(--ink-2); }
.panel-in a { text-decoration-color: var(--pollen); text-underline-offset: 3px; }
.panel-in b { font-weight: 600; }
.panel-in ol.cond { margin: 0 0 1em; max-width: 68ch; }
.panel-in .formula { margin: .4em 0 0; }
.panel-in .formula .nw { white-space: nowrap; }
.panel-in .legend { margin: 14px 0 1em; }
.panel-in .bar { margin: 4px 0 14px; max-width: 640px; }
.panel-in .bar span { font-size: .78rem; }
ul.plain { margin: 0 0 1em; padding-left: 1.1em; max-width: 68ch; }
ul.plain li { margin: .4em 0; }
ul.plain li::marker { color: var(--pollen); }
.panel-in .badges { margin: 0 0 12px; }
dl.defs { display: grid; grid-template-columns: minmax(9em, auto) 1fr; gap: 0; margin: 0 0 1.1em; max-width: 72ch; }
dl.defs dt, dl.defs dd { padding: .55em 0; border-top: 1px solid var(--rule); margin: 0; }
dl.defs dt { font: 500 .8rem/1.6 var(--f-num); color: var(--pollen); padding-right: 16px; }
dl.defs dd { font-size: .95rem; }
.cutoff { display: grid; grid-template-columns: 58px 1fr; gap: 16px; align-items: center; border: 1px dashed var(--ink-2); padding: 14px 16px; }
.ghost { width: 46px; height: 46px; border-radius: 50%; border: 1px dashed var(--ink-2); position: relative; }
.ghost::after { content: ""; position: absolute; inset: 15px; border-radius: 50%; border: 1px dashed var(--ink-2); }

/* planche « en chiffres » */
.glance { width: 100%; border-collapse: collapse; font-size: .92rem; }
.glance th, .glance td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--rule); vertical-align: baseline; }
.glance tr:first-child > * { border-top: 1px solid var(--ink); }
.glance th { font: 400 .72rem/1.3 var(--f-num); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.glance td.num { color: var(--pollen); white-space: nowrap; font-size: .9rem; }
.glance td:last-child { color: var(--ink-2); font-style: italic; }
.demo-plate .demo-tag { justify-self: start; }

@media (max-width: 1100px) {
  .quick-steps { grid-template-columns: 1fr; }
  .quick-steps li:nth-child(n+3) { border-bottom: 0; }
  .quick-steps li:last-child { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 860px) {
  .hero-rules { grid-template-columns: 1fr; padding: 14px 0 24px; gap: 22px; }
  .hero-rules h1 { font-size: 2.4rem; }
  .hero-rules .note { display: block; }
  .quick-steps { padding: 48px 16px 18px; }
  .quick-steps li { grid-template-columns: 2rem 1fr; padding: 12px 0; }
  .quick-steps li::before { font-size: 1.5rem; }
  .rules-grid { grid-template-columns: 1fr; gap: 18px; }
  .toc { position: static; }
  .toc ol { border-left: 0; display: flex; flex-wrap: wrap; gap: 6px; }
  .toc a { display: block; border: 1px solid var(--rule-strong); border-radius: 999px; padding: 5px 11px; margin: 0; font-size: .8rem; }
  .toc a::before { content: counter(t) " · "; font-size: .66rem; }
  .toc a.is-active { border-color: var(--pollen); }
  .rule h3 button { grid-template-columns: 2.6em minmax(0, 1fr) 18px; padding: 16px 0; }
  .rule .k { grid-column: 2; grid-row: 2; text-align: left; }
  .rule .plus { grid-column: 3; grid-row: 1; }
  .panel-in { padding: 0; }
  .panel-in .formula { font-size: 1.15rem; padding: .8em 0; }
  dl.defs { grid-template-columns: 1fr; }
  dl.defs dd { border-top: 0; padding-top: 0; }
  .cutoff { grid-template-columns: 46px 1fr; gap: 12px; padding: 12px; }
  .panel-in .bar span { font-size: .68rem; padding: 0 7px; }
  .glance th { white-space: normal; }
  .glance th, .glance td { padding-right: 8px; }
  .glance td:last-child { font-size: .82rem; }
}