/* =============================================================================
   Qarré — thème sombre « technique » : fond noir, grille fine, tout en
   JetBrains Mono, accents néon (cyan → bleu → violet → magenta, comme le logo).
   ========================================================================== */

:root {
    color-scheme: dark;
    --fond: #0a0a0b;
    --surface: #121214;
    --survol: #1c1c20;
    --texte: #ededed;
    --gris: #9a9aa2;
    --ligne: #3a3a40;
    --grille: rgba(255, 255, 255, .045);
    --accent: #33e4ff;
    --accent-2: #ff2bd6;
    --neon: linear-gradient(90deg, #33e4ff, #3d7bff 35%, #9d4dff 68%, #ff2bd6);
    --lueur: 0 0 14px rgba(51, 228, 255, .35);
    --sur-accent: #0a0a0b;
    --alerte: #ff7a50;
    --alerte-fond: #2a1610;
    --trait: 1px solid var(--ligne);
    --police: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--police);
    font-size: 15px;
    line-height: 1.6;
    color: var(--texte);
    background-color: var(--fond);
    background-image:
        linear-gradient(var(--grille) 1px, transparent 1px),
        linear-gradient(90deg, var(--grille) 1px, transparent 1px);
    background-size: 24px 24px;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

small { font-weight: 400; color: var(--gris); }

::selection { color: var(--sur-accent); background: var(--accent); }

/* --- En-tête --------------------------------------------------------------- */

.entete {
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 16px 28px;
}

.entete-haut {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.marque {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.marque:hover { color: var(--texte); }
.logo { width: 50px; height: auto; }
.marque-texte { display: flex; flex-direction: column; line-height: 1.15; }
.marque-nom { font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em; }
.baseline {
    font-size: .74rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: .02em;
}

.mention {
    margin: 0;
    font-size: .75rem;
    color: var(--gris);
}

.slogan {
    margin: 40px 0 16px;
    font-size: clamp(2.2rem, 7.5vw, 5.4rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.05em;
}
.slogan em {
    font-style: normal;
    white-space: nowrap;
    color: var(--accent);
    background: var(--neon);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
/* curseur de terminal qui clignote après le slogan (collé au dernier mot) */
.slogan em::after {
    content: '';
    display: inline-block;
    width: .5em;
    height: .82em;
    margin-left: .08em;
    vertical-align: -.04em;
    background: var(--accent-2);
    box-shadow: 0 0 18px rgba(255, 43, 214, .55);
    animation: clignote 1.1s steps(1) infinite;
}
@keyframes clignote { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
    .slogan em::after { animation: none; }
}

.promesses {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: .75rem;
    color: var(--gris);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.promesses li::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 8px;
    background: var(--accent);
    vertical-align: 1px;
}

/* --- L'atelier : contenu, aperçu, style ------------------------------------ */

.atelier {
    display: grid;
    gap: 16px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 900px) {
    .atelier {
        grid-template-columns: minmax(0, 1fr) 380px;
        align-items: start;
    }
    .bloc-contenu { grid-column: 1; grid-row: 1; }
    .bloc-style   { grid-column: 1; grid-row: 2; }
    .bloc-apercu  { grid-column: 2; grid-row: 1 / span 2; position: sticky; top: 16px; }
}

.bloc {
    min-width: 0;
    padding: 22px;
    background: var(--surface);
    border: var(--trait);
}

.bloc-titre {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 0 0 18px;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -.02em;
}
.bloc-titre span {
    font-size: .75rem;
    font-weight: 500;
    color: var(--accent);
}
.bloc-titre span::before { content: '['; color: var(--gris); }
.bloc-titre span::after { content: ']'; color: var(--gris); }

.sous-titre {
    margin: 22px 0 8px;
    font-size: .7rem;
    font-weight: 500;
    color: var(--gris);
    text-transform: uppercase;
    letter-spacing: .1em;
}

/* --- Champs ---------------------------------------------------------------- */

label {
    display: block;
    margin: 0 0 12px;
    font-size: .82rem;
    font-weight: 500;
}

input[type="text"], input[type="tel"], input[type="email"], textarea, select {
    display: block;
    width: 100%;
    margin-top: 5px;
    padding: .6rem .7rem;
    font: inherit;
    font-size: .95rem;
    color: var(--texte);
    background: var(--fond);
    border: var(--trait);
    border-radius: 0;
}
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: #5c5c64; }
input:focus, textarea:focus, select:focus { outline: 1px solid var(--accent); outline-offset: 0; border-color: var(--accent); }

input[type="range"] {
    display: block;
    width: 100%;
    margin-top: 8px;
    accent-color: var(--accent);
}

input[type="color"] { display: block; width: 100%; height: 42px; margin-top: 5px; padding: 3px; border: var(--trait); background: var(--fond); cursor: pointer; }

.case {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 14px 24px 0 0;
    font-weight: 400;
    cursor: pointer;
}
.case input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }

.deux {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
    align-items: end;
}
@media (max-width: 520px) {
    .deux { grid-template-columns: 1fr; }
}

.choix-ligne { display: flex; flex-wrap: wrap; }
.choix-ligne .case { margin-top: 0; }

.aide {
    margin: 6px 0 0;
    font-size: .76rem;
    line-height: 1.55;
    color: var(--gris);
}

/* --- Onglets du type de contenu -------------------------------------------- */

.onglets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}
.onglets label { margin: 0; }
.onglets input, .tuile input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.onglets span {
    display: block;
    padding: .4rem .75rem;
    font-size: .75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .05em;
    box-shadow: inset 0 0 0 1px var(--ligne);
    cursor: pointer;
}
.onglets span:hover { background: var(--survol); }
.onglets input:checked + span { color: var(--sur-accent); background: var(--neon); font-weight: 700; box-shadow: var(--lueur); }
.onglets input:focus-visible + span, .tuile input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Tuiles (motif, coins) ------------------------------------------------- */

.tuiles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
    gap: 8px;
}
.tuiles-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 640px) {
    .tuiles-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.tuile { margin: 0; font-weight: 400; }
.tuile span {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 4px 8px;
    font-size: .72rem;
    color: var(--gris);
    background: var(--fond);
    border: var(--trait);
    cursor: pointer;
}
.tuile span:hover { color: var(--texte); background: var(--survol); }
.tuile svg { width: 30px; height: 30px; fill: var(--texte); }
.tuile input:checked + span {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent), var(--lueur);
}
.tuile input:checked + span svg { fill: var(--accent); }

/* --- Pastilles de couleur -------------------------------------------------- */

.couleurs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.pastille {
    position: relative;
    width: 34px;
    height: 34px;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .25);
    cursor: pointer;
}
.pastille[aria-pressed="true"] { outline: 1px solid var(--texte); outline-offset: 3px; }
.pastille.perso {
    background: conic-gradient(#ff5a36, #f5c400, #2ecc71, #6b85ff, #a35cff, #ff5a36);
}
.pastille.perso input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

/* --- Logo ------------------------------------------------------------------ */

.logo-choix {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
}
.logo-choix > label { margin: 0; }
.logo-taille { flex: 1 1 180px; }

/* --- Réglages avancés, conseils -------------------------------------------- */

details { margin-top: 22px; }
summary {
    font-size: .75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .08em;
    cursor: pointer;
}
summary:hover { color: var(--accent); }
details[open] summary { margin-bottom: 12px; }

.conseils { padding-top: 16px; border-top: var(--trait); }
.conseils ul { margin: 0; padding-left: 1.1rem; font-size: .8rem; color: var(--gris); }
.conseils li { margin-bottom: 6px; }
.conseils b { color: var(--texte); }

/* --- Aperçu : un viseur de scanner ----------------------------------------- */

.cadre-apercu {
    position: relative;
    padding: 26px;
    /* damier sombre : laisse voir la transparence du fond */
    background-color: #17171a;
    background-image:
        linear-gradient(45deg, #222226 25%, transparent 25%, transparent 75%, #222226 75%),
        linear-gradient(45deg, #222226 25%, transparent 25%, transparent 75%, #222226 75%);
    background-size: 16px 16px;
    background-position: 0 0, 8px 8px;
}
/* les quatre coins du viseur */
.cadre-apercu::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(var(--accent), var(--accent)) top left / 22px 2px,
        linear-gradient(var(--accent), var(--accent)) top left / 2px 22px,
        linear-gradient(var(--accent), var(--accent)) top right / 22px 2px,
        linear-gradient(var(--accent), var(--accent)) top right / 2px 22px,
        linear-gradient(var(--accent-2), var(--accent-2)) bottom left / 22px 2px,
        linear-gradient(var(--accent-2), var(--accent-2)) bottom left / 2px 22px,
        linear-gradient(var(--accent-2), var(--accent-2)) bottom right / 22px 2px,
        linear-gradient(var(--accent-2), var(--accent-2)) bottom right / 2px 22px;
    background-repeat: no-repeat;
}
.apercu { max-width: 300px; margin: 0 auto; transition: opacity .2s; }
.apercu svg, .apercu canvas { display: block; width: 100%; height: auto; }
.apercu.vide { opacity: .12; }

.exemple {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: 0;
    padding: .4rem .7rem;
    transform: translate(-50%, -50%);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
    color: var(--accent);
    background: var(--fond);
    border: 1px solid var(--accent);
}

.alerte {
    margin: 12px 0 0;
    padding: .65rem .8rem;
    font-size: .8rem;
    background: var(--alerte-fond);
    border-left: 3px solid var(--alerte);
}

.export { margin-top: 18px; }

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.actions .bouton { flex: 1 1 140px; }

.message {
    min-height: 1.2em;
    margin: 8px 0 0;
    font-size: .8rem;
    color: var(--accent);
}

/* --- Boutons --------------------------------------------------------------- */

.bouton {
    display: inline-block;
    padding: .75rem 1.1rem;
    font: inherit;
    font-size: .88rem;
    font-weight: 700;
    color: var(--sur-accent);
    text-align: center;
    text-decoration: none;
    background: var(--neon);
    border: 0;
    border-radius: 0;
    cursor: pointer;
    transition: box-shadow .2s, filter .2s;
}
.bouton:hover:not(:disabled) { color: var(--sur-accent); filter: brightness(1.15); box-shadow: 0 0 22px rgba(157, 77, 255, .55); }
/* bouton secondaire : un simple filet au repos, plein néon et sans filet au survol */
.bouton.secondaire { color: var(--texte); background: transparent; box-shadow: inset 0 0 0 1px var(--ligne); }
.bouton.secondaire:hover:not(:disabled) { color: var(--sur-accent); background: var(--neon); box-shadow: 0 0 22px rgba(157, 77, 255, .55); }
.bouton.petit { padding: .5rem .85rem; font-size: .8rem; }
.bouton:disabled { opacity: .3; cursor: not-allowed; }

.lien {
    padding: 0;
    font: inherit;
    font-size: .8rem;
    color: var(--texte);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    background: none;
    border: 0;
    cursor: pointer;
}
.lien:hover { color: var(--accent); }
.effacer { display: block; margin-top: 24px; color: var(--gris); }

/* --- Pourquoi Qarré -------------------------------------------------------- */

.pourquoi, .cafe {
    max-width: 1180px;
    margin: 64px auto 0;
    padding: 0 16px;
}
.pourquoi h2 {
    margin: 0 0 20px;
    font-size: clamp(1.6rem, 4.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -.045em;
}
.trois {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 24px;
    border-top: var(--trait);
}
.trois > div { padding-top: 18px; }
.trois p { margin: 0 0 8px; font-size: .85rem; color: var(--gris); }
.trois .pourquoi-titre { font-weight: 700; font-size: .95rem; color: var(--texte); }
.pourquoi-titre::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 10px;
    background: var(--neon);
    vertical-align: 1px;
}

.cafe p { color: var(--gris); }
.cafe .cafe-titre { font-weight: 700; font-size: 1.05rem; color: var(--texte); margin-bottom: 4px; }
.cafe .bouton { margin-top: 6px; }

/* --- Pied de page ---------------------------------------------------------- */

.pied {
    max-width: 1180px;
    margin: 64px auto 0;
    padding: 18px 16px 32px;
    font-size: .78rem;
    color: var(--gris);
    border-top: var(--trait);
}
.pied p { margin: 0 0 4px; }
.signature img { width: 18px; height: 18px; margin: 0 5px 0 2px; vertical-align: -4px; }

/* --- Pages légales --------------------------------------------------------- */

.entete-mini {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.retour { font-size: .8rem; }

.legal {
    max-width: 760px;
    margin: 0 auto;
    padding: 26px 22px;
    background: var(--surface);
    border: var(--trait);
}
@media (max-width: 792px) {
    .legal { margin: 0 16px; }
}
.legal h1 {
    margin: 0 0 18px;
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -.045em;
}
.legal h2 { margin: 28px 0 8px; font-size: 1rem; font-weight: 700; color: var(--accent); }
.legal p, .legal li { font-size: .86rem; color: #c8c8ce; }
.legal strong { color: var(--texte); }
.encart {
    padding: .8rem 1rem;
    background: var(--fond);
    border-left: 3px solid var(--accent);
}
.maj { margin-top: 28px; font-size: .72rem !important; color: var(--gris) !important; }