/* Syllabes en couleur — feuille de style du site.
   Univers : le cahier d'écolier français (papier Seyès, marge rouge, encre bleue).
   Le quadrillage n'apparaît que dans les démos, jamais derrière du texte courant. */

@font-face {
  font-family: "Lexend";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url(fonts/lexend-latin-ext-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Lexend";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url(fonts/lexend-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --papier: #f6f7fc;
  --pale: #eceefa;
  --blanc: #ffffff;
  --encre: #14148f;
  --encre-fonce: #0c0c6b;
  --rouge: #d4291b;
  --texte: #15152e;
  --discret: #4c4c66;
  --crayon: #6f6f80;
  --carreau: #c9cff0;
  --carreau-fin: #e1e5f7;
  --surligneur: #ffe45c;
  --rayon: 10px;
  --mesure: 64ch;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }

body {
  position: relative;
  margin: 0;
  background: var(--papier);
  color: var(--texte);
  font: 400 1.125rem/1.75 "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
  text-align: left;
  overflow-x: hidden;
}

/* Marge du cahier : un fil rouge discret, en écho de la démo */
body::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(0.5rem, calc((100vw - 68rem) / 2 - 1.25rem));
  width: 2px;
  background: var(--rouge);
  opacity: 0.35;
  pointer-events: none;
}

img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); margin: 0 0 1rem; font-weight: 700; }
h3 { font-size: 1.2rem; margin: 0 0 0.35rem; font-weight: 600; }
p, ul, ol { margin: 0 0 1rem; }

a { color: var(--encre); text-decoration-thickness: 0.1em; text-underline-offset: 0.22em; }
a:hover { color: var(--rouge); }

:focus-visible {
  outline: 3px solid var(--texte);
  outline-offset: 3px;
  box-shadow: 0 0 0 7px var(--surligneur);
  border-radius: 4px;
}

.contenu { width: 100%; max-width: 68rem; margin-inline: auto; padding-inline: 1rem; }
@media (min-width: 48rem) { .contenu { padding-inline: 2rem; } }
.mesure { max-width: var(--mesure); }

.evitement { position: absolute; left: -999rem; top: 0; background: var(--surligneur); color: var(--texte); padding: 0.75rem 1rem; z-index: 10; }
.evitement:focus { left: 1rem; top: 1rem; }

/* ---------- En-tête ---------- */
.entete { border-bottom: 1px solid var(--carreau); background: var(--papier); position: relative; }
.entete-ligne { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.5rem; padding-block: 0.9rem; }
.marque { display: flex; align-items: center; gap: 0.7rem; color: var(--texte); text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.marque:hover { color: var(--texte); }
.marque img { width: 2.4rem; height: 2.4rem; display: block; }
.principale { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; margin-left: auto; align-items: center; }
.principale a { color: var(--texte); text-decoration: none; padding-block: 0.35rem; font-size: 1rem; }
.principale a:hover { text-decoration: underline; text-decoration-thickness: 0.1em; text-underline-offset: 0.3em; color: var(--texte); }
.principale a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--rouge); text-decoration-thickness: 0.18em; text-underline-offset: 0.35em; }
@media (max-width: 40rem) { .principale { margin-left: 0; width: 100%; } }

/* ---------- Boutons ---------- */
.bouton {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  line-height: 1.25;
  padding: 0.85rem 1.4rem;
  border-radius: var(--rayon);
  border: 2px solid var(--encre);
  background: var(--encre);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}
.bouton:hover { background: var(--encre-fonce); border-color: var(--encre-fonce); color: #fff; }
.bouton.secondaire { background: transparent; color: var(--encre); }
.bouton.secondaire:hover { background: var(--pale); color: var(--encre-fonce); }
.bouton.petit { padding: 0.5rem 1rem; font-size: 1rem; }
.bouton[disabled] { opacity: 0.55; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Blocs ---------- */
.bloc { padding-block: clamp(2.25rem, 5.5vw, 4rem); }
.bloc.pale { background: var(--pale); }
.chapeau { font-size: 1.2rem; color: var(--discret); max-width: 40ch; }

/* ---------- Accueil : hero et feuille ---------- */
.hero { padding-block: clamp(2rem, 5vw, 3.75rem) clamp(2.5rem, 6vw, 4.5rem); }
.hero-grille { display: grid; gap: 2.25rem 3.5rem; }
@media (min-width: 62rem) { .hero-grille { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: center; } }
.hero h1 { font-size: clamp(2.2rem, 5.6vw, 3.3rem); line-height: 1.2; font-weight: 700; letter-spacing: -0.015em; margin: 0 0 1.25rem; }

.feuille {
  --fs: 1.75rem;
  --lh: calc(var(--fs) * 1.9);
  --marge: 3.25rem;
  position: relative;
  background-color: var(--blanc);
  background-image:
    linear-gradient(to right, var(--carreau-fin) 1px, transparent 1px),
    linear-gradient(to bottom, var(--carreau) 1px, transparent 1px);
  background-size: var(--lh) var(--lh);
  background-position: var(--marge) calc(var(--lh) * 0.7);
  border: 1px solid var(--carreau);
  border-radius: 6px;
  padding: var(--lh) 1.25rem var(--lh) calc(var(--marge) + 1.25rem);
  font-size: var(--fs);
  line-height: var(--lh);
  font-weight: 500;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.feuille::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--marge); width: 2px; background: var(--rouge); opacity: 0.75; }
.feuille p { margin: 0; }
.feuille p + p { margin-top: var(--lh); }
.feuille.nue { background-image: none; --marge: 0rem; padding: 1.25rem; }
.feuille.nue::before { display: none; }
@media (max-width: 40rem) { .feuille { --fs: 1.4rem; --marge: 2.25rem; padding-right: 0.75rem; } }

.reglages { display: grid; gap: 0.75rem 1.5rem; margin-top: 1rem; }
.reglages .champ { margin: 0; }
.reglages .options { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }

/* ---------- Champs ---------- */
label { font-weight: 500; }
.champ { display: grid; gap: 0.35rem; margin-bottom: 1rem; }
textarea, select, input[type="text"] {
  font: inherit; font-size: 1rem; color: var(--texte); background: var(--blanc);
  border: 2px solid var(--carreau); border-radius: var(--rayon); padding: 0.65rem 0.85rem; width: 100%;
}
textarea { min-height: 11rem; resize: vertical; line-height: 1.55; }
input[type="range"] { width: 100%; accent-color: var(--encre); }
.case { display: flex; gap: 0.6rem; align-items: flex-start; font-weight: 400; margin: 0.35rem 0; font-size: 1rem; }
.case input { width: 1.25rem; height: 1.25rem; accent-color: var(--encre); margin-top: 0.3rem; flex: none; }
.aide-champ { font-size: 0.95rem; color: var(--discret); margin: 0; }

/* ---------- Trois gestes (vraie séquence) ---------- */
.gestes { display: grid; gap: 1.5rem; margin: 0; padding: 0; list-style: none; counter-reset: geste; }
@media (min-width: 48rem) { .gestes { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; } }
.geste { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0 1.1rem; }
.geste::before { counter-increment: geste; content: counter(geste); grid-row: 1 / span 2; font-size: 3.4rem; font-weight: 700; line-height: 1; color: var(--encre); }
.geste:nth-child(2)::before { color: var(--rouge); }
.geste h3 { margin-top: 0.25rem; }
.geste p { margin: 0; color: var(--discret); }

/* ---------- Ce que fait le complément ---------- */
.moitie { display: grid; gap: 2.5rem 4rem; align-items: start; }
@media (min-width: 62rem) { .moitie { grid-template-columns: minmax(0, 1fr) 21rem; } }
.exemples { border-top: 1px solid var(--carreau); }
.exemple { display: grid; gap: 0.5rem 2rem; padding-block: 1.35rem; border-bottom: 1px solid var(--carreau); }
@media (min-width: 40rem) { .exemple { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: center; } }
.exemple p { margin: 0; color: var(--discret); }
.echantillon { font-size: 1.6rem; line-height: 1.5; font-weight: 500; letter-spacing: 0; }
.echantillon.aere { line-height: 2; }
.volet { margin: 0; }
.volet img { display: block; width: 100%; max-width: 21rem; border: 1px solid var(--carreau); border-radius: 8px; background: #fff; }
.volet figcaption { font-size: 0.95rem; color: var(--discret); margin-top: 0.6rem; max-width: 36ch; }
.liste-simple { padding-left: 1.2rem; }
.liste-simple li { margin-bottom: 0.35rem; }

/* ---------- Pour qui, vie privée ---------- */
.deux { display: grid; gap: 2.5rem 4rem; }
@media (min-width: 52rem) { .deux { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pour-qui { list-style: none; padding: 0; margin: 0; }
.pour-qui li { padding-block: 0.9rem; border-bottom: 1px solid var(--carreau); }
.pour-qui li:first-child { border-top: 1px solid var(--carreau); }
.pour-qui strong { display: block; }

/* ---------- FAQ ---------- */
.faq details { border-top: 1px solid var(--carreau); }
.faq details:last-child { border-bottom: 1px solid var(--carreau); }
.faq summary { cursor: pointer; font-weight: 600; padding: 1rem 2.5rem 1rem 0; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0.4rem; top: 0.75rem; font-size: 1.6rem; line-height: 1.2; color: var(--encre); }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding: 0 0 0.5rem; max-width: var(--mesure); }
.faq details p:last-child { margin-bottom: 1rem; }

/* ---------- Pages de texte ---------- */
.page { padding-block: clamp(2rem, 5vw, 3.5rem) 1rem; }
.page h1 { font-size: clamp(2rem, 4.6vw, 2.8rem); margin: 0 0 1rem; font-weight: 700; letter-spacing: -0.015em; line-height: 1.2; }
.page h2 { margin-top: 2.75rem; font-size: clamp(1.4rem, 3vw, 1.75rem); }
.page h3 { margin-top: 1.75rem; }
.page p, .page li { max-width: var(--mesure); }
.page ul, .page ol { padding-left: 1.3rem; }
.page li { margin-bottom: 0.4rem; }
.mise-a-jour { color: var(--discret); font-size: 0.95rem; }

.alerte { border-left: 4px solid var(--encre); background: var(--pale); padding: 1rem 1.25rem; border-radius: 0 var(--rayon) var(--rayon) 0; margin: 1.5rem 0; max-width: var(--mesure); }
.alerte.attention { border-left-color: var(--rouge); background: #fff1ef; }
.alerte p:last-child { margin-bottom: 0; }
.alerte strong { display: block; margin-bottom: 0.25rem; }

.etapes { list-style: none; padding: 0 !important; counter-reset: etape; }
.etapes > li { position: relative; padding-left: 3.1rem; margin-bottom: 1.1rem; counter-increment: etape; min-height: 2.2rem; }
.etapes > li::before { content: counter(etape); position: absolute; left: 0; top: 0.1rem; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--encre); color: #fff; font-weight: 600; display: grid; place-items: center; font-size: 1rem; line-height: 1; }
code, .code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.92em; background: var(--pale); padding: 0.1em 0.4em; border-radius: 4px; overflow-wrap: anywhere; }
.todo { background: var(--surligneur); color: var(--texte); padding: 0 0.2em; }
kbd { font: inherit; font-size: 0.9em; border: 1px solid var(--carreau); border-bottom-width: 2px; border-radius: 5px; padding: 0 0.35em; background: #fff; }

/* ---------- Outil en ligne ---------- */
.outil-grille { display: grid; gap: 1.75rem; }
@media (min-width: 64rem) { .outil-grille { grid-template-columns: minmax(0, 22rem) minmax(0, 1fr); gap: 2.5rem; align-items: start; } }
.outil-grille fieldset { border: 0; padding: 0; margin: 0 0 1rem; }
.outil-grille legend { font-weight: 600; padding: 0; margin-bottom: 0.5rem; }
.barre { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-bottom: 0.9rem; }
.statut { min-height: 1.75rem; margin: 0.25rem 0 0.75rem; color: var(--discret); font-size: 1rem; }
.sortie-vide { color: var(--crayon); font-weight: 400; }

/* ---------- Pied de page ---------- */
.pied { margin-top: 3.5rem; border-top: 1px solid var(--carreau); padding-block: 2.5rem 3rem; font-size: 0.95rem; color: var(--discret); line-height: 1.65; }
.pied-grille { display: grid; gap: 1.75rem 3rem; }
@media (min-width: 48rem) { .pied-grille { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); } }
.pied ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.35rem; }
.pied p { margin: 0 0 0.75rem; max-width: 68ch; }
.pied a { color: var(--discret); }
.pied a:hover { color: var(--rouge); }

/* ---------- Impression : uniquement la feuille de résultat ---------- */
@media print {
  body { background: #fff; }
  body::before { display: none; }
  .hors-impression { display: none !important; }
  .feuille { border: 0; background-image: none; padding: 0; --marge: 0rem; }
  .feuille::before { display: none; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}