/* ==========================================================================
   cba-decennale.fr — feuille de style unique, sans framework.
   Aucun style inline dans les pages : la Content-Security-Policy l'interdit.
   ========================================================================== */

@font-face {
    font-family: 'Oxygen';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url(../fonts/oxygen/oxygen-300.woff2) format('woff2');
}
@font-face {
    font-family: 'Oxygen';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(../fonts/oxygen/oxygen-400.woff2) format('woff2');
}
@font-face {
    font-family: 'Oxygen';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url(../fonts/oxygen/oxygen-700.woff2) format('woff2');
}

:root {
    --marine: #2c3e6c;
    --marine-fonce: #1d2a4d;
    --marine-clair: #3d548f;
    --turquoise: #13788a;       /* boutons : contraste AA sur blanc */
    --turquoise-vif: #4fd1e6;
    --rouge: #e5483d;
    --jaune: #f2c94c;
    --vert: #1f8a5b;
    --texte: #1d2433;
    --texte-doux: #5b6478;
    --bordure: #dfe3ec;
    --fond: #f4f6fb;
    --blanc: #fff;
    --rayon: 16px;
    --ombre: 0 20px 50px rgba(17, 27, 56, .25), 0 2px 6px rgba(17, 27, 56, .08);
}

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

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

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Oxygen', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    color: var(--texte);
    background: var(--fond);
}

h1, h2, h3, p, ol, ul, dl, dd, fieldset {
    margin: 0;
}

a {
    color: inherit;
}

[hidden] {
    display: none !important;
}

.icone {
    width: 1.1em;
    height: 1.1em;
    flex: none;
    vertical-align: -0.18em;
}

.conteneur {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

:focus-visible {
    outline: 3px solid var(--turquoise-vif);
    outline-offset: 2px;
}

/* --- En-tete -------------------------------------------------------------- */

.entete {
    background: var(--marine-fonce);
    color: var(--blanc);
}

.entete__contenu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 72px;
}

.entete__logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: .02em;
}

.entete__logo img {
    border-radius: 10px;
}

.entete__contact {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 14px;
}

.entete__horaires {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, .75);
}

.entete__tel {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color .2s;
}

.entete__tel:hover {
    background: rgba(255, 255, 255, .1);
}

/* --- Bandeau principal ---------------------------------------------------- */

.hero {
    flex: 1;
    position: relative;
    overflow: hidden;
    padding: 64px 0 80px;
    color: var(--blanc);
    background:
        radial-gradient(circle at 8% 110%, rgba(79, 209, 230, .22) 0, transparent 38%),
        radial-gradient(circle at 92% -10%, rgba(229, 72, 61, .18) 0, transparent 35%),
        linear-gradient(160deg, var(--marine) 0%, var(--marine-fonce) 100%);
}

/* Rappel des arcs colores du logo */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 18px solid transparent;
    pointer-events: none;
}

.hero::before {
    width: 520px;
    height: 520px;
    left: -260px;
    top: -200px;
    border-top-color: rgba(229, 72, 61, .35);
    border-right-color: rgba(242, 201, 76, .25);
    transform: rotate(20deg);
}

.hero::after {
    width: 380px;
    height: 380px;
    right: -150px;
    bottom: -210px;
    border-left-color: rgba(79, 209, 230, .35);
    border-top-color: rgba(79, 209, 230, .15);
}

.hero__grille {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr minmax(0, 480px);
    gap: 56px;
    align-items: start;
}

.surtitre {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(79, 209, 230, .15);
    color: var(--turquoise-vif);
    font-size: 14px;
    font-weight: 700;
}

.hero h1 {
    max-width: 520px;
    margin-bottom: 18px;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.15;
    font-weight: 700;
}


.hero__texte {
    padding-top: 24px;
}

.hero__intro {
    max-width: 520px;
    margin-bottom: 28px;
    font-size: 18px;
    color: rgba(255, 255, 255, .85);
}

.atouts,
.parcours {
    list-style: none;
    padding: 0;
}

.parcours li {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    font-size: 16px;
    color: rgba(255, 255, 255, .85);
}

.parcours__numero {
    flex: 0 0 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--marine-fonce);
    background: var(--turquoise-vif);
}

.atouts li {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 16px;
    color: rgba(255, 255, 255, .85);
}

.atouts .icone {
    margin-top: 4px;
    color: var(--turquoise-vif);
}

.atouts strong {
    color: var(--blanc);
}

.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;
}

/* --- Carte du formulaire ------------------------------------------------- */

.carte {
    background: var(--blanc);
    color: var(--texte);
    border-radius: var(--rayon);
    box-shadow: var(--ombre);
    overflow: hidden;
    scroll-margin-top: 16px;
}

.carte__entete {
    padding: 22px 28px 18px;
    border-bottom: 1px solid var(--bordure);
}

.carte__entete h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 20px;
    color: var(--marine);
}

.progression {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 6px;
    counter-reset: etape;
}

.progression__etape {
    flex: 1;
    padding-top: 10px;
    border-top: 4px solid var(--bordure);
    font-size: 13px;
    color: var(--texte-doux);
    counter-increment: etape;
    transition: border-color .3s, color .3s;
}

.progression__etape::before {
    content: counter(etape) '. ';
}

.progression__etape.est-faite {
    border-top-color: var(--turquoise-vif);
}

.progression__etape.est-active {
    border-top-color: var(--turquoise);
    color: var(--marine);
    font-weight: 700;
}

.carte__corps {
    position: relative;
    padding: 22px 28px 28px;
}

fieldset {
    padding: 0;
    border: 0;
    min-width: 0;
}

.etape {
    animation: apparition .35s ease;
}

@keyframes apparition {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

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

.champ {
    margin-bottom: 18px;
}

.champ__libelle {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
    font-size: 15px;
    color: var(--marine);
}

.champ__precision {
    font-weight: 400;
    font-size: 13px;
    color: var(--texte-doux);
}

.champ input[type="text"],
.champ input[type="email"],
.champ input[type="tel"],
.champ input[type="date"] {
    display: block;
    width: 100%;
    min-width: 0;
    padding: 11px 14px;
    border: 2px solid var(--bordure);
    border-radius: 10px;
    background: #fbfcfe;
    font: inherit;
    color: var(--texte);
    transition: border-color .2s, box-shadow .2s;
}

.champ input::placeholder {
    color: #a8b0c0;
}

.champ input:focus {
    outline: none;
    border-color: var(--turquoise);
    box-shadow: 0 0 0 4px rgba(19, 120, 138, .15);
}

#siret {
    padding-right: 44px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 18px;
    letter-spacing: .06em;
}

.champ.est-invalide input[type="text"],
.champ.est-invalide input[type="email"],
.champ.est-invalide input[type="tel"],
.champ.est-invalide input[type="date"],
.champ.est-invalide .depot,
.champ.est-invalide .activites {
    border-color: var(--rouge);
}

.champ__aide {
    margin-top: 6px;
    font-size: 13px;
    color: var(--texte-doux);
}

.champ__erreur {
    margin-top: 6px;
    font-size: 13px;
    color: #b42318;
}

.champ.est-invalide .champ__aide {
    display: none;
}

.champ__groupe {
    position: relative;
}

.champ__groupe--suffixe input {
    padding-right: 40px !important;
}

.champ__suffixe {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--texte-doux);
    font-weight: 700;
}

/* Etat de la recherche SIRET, a droite du champ */
.champ__etat {
    position: absolute;
    right: 14px;
    top: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
}

.champ__etat--en-cours {
    border: 3px solid var(--bordure);
    border-top-color: var(--turquoise);
    border-radius: 50%;
    animation: rotation .8s linear infinite;
}

.champ__etat--trouve::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 1px;
    width: 6px;
    height: 12px;
    border: solid var(--vert);
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.champs-cote {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
}

/* Fiche de l'entreprise trouvee au RNE */
.fiche {
    margin: -6px 0 18px;
    padding: 12px 14px;
    border-left: 4px solid var(--vert);
    border-radius: 8px;
    background: #eef8f2;
    animation: apparition .3s ease;
}

.fiche__nom {
    font-weight: 700;
    color: var(--marine-fonce);
}

.fiche__adresse {
    font-size: 13px;
    color: var(--texte-doux);
}

/* Choix oui / non en boutons */
.choix {
    display: flex;
    gap: 8px;
}

.choix label {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.choix input {
    position: absolute;
    opacity: 0;
}

.choix span {
    display: block;
    padding: 10px 12px;
    border: 2px solid var(--bordure);
    border-radius: 10px;
    text-align: center;
    font-weight: 700;
    color: var(--texte-doux);
    transition: border-color .2s, background-color .2s, color .2s;
}

.choix input:checked + span {
    border-color: var(--turquoise);
    background: #eaf6f8;
    color: var(--marine);
}

.choix input:focus-visible + span {
    outline: 3px solid var(--turquoise-vif);
    outline-offset: 2px;
}

/* Activites en pastilles */
.activites {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    max-height: 236px;
    overflow-y: auto;
    padding: 8px;
    border: 2px solid var(--bordure);
    border-radius: 10px;
}

.activite {
    position: relative;
    cursor: pointer;
}

.activite input {
    position: absolute;
    opacity: 0;
}

.activite span {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid var(--bordure);
    border-radius: 999px;
    background: var(--fond);
    font-size: 14px;
    transition: background-color .2s, border-color .2s, color .2s;
}

.activite input:checked + span {
    border-color: var(--turquoise);
    background: var(--turquoise);
    color: var(--blanc);
}

.activite input:focus-visible + span {
    outline: 3px solid var(--turquoise-vif);
    outline-offset: 2px;
}

/* Depot de fichier */
.depot {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 2px dashed var(--bordure);
    border-radius: 10px;
    color: var(--texte-doux);
    font-size: 14px;
    cursor: pointer;
    transition: border-color .2s, background-color .2s;
}

.depot:hover {
    border-color: var(--turquoise);
    background: #f5fbfc;
}

.depot.est-rempli {
    border-style: solid;
    border-color: var(--vert);
    color: var(--marine-fonce);
    background: #eef8f2;
}

.depot__texte {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.depot__champ {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.accord {
    display: flex;
    gap: 10px;
    font-size: 13px;
    color: var(--texte-doux);
    cursor: pointer;
}

.accord input {
    flex: none;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--turquoise);
}

/* Piege a robots : hors ecran, jamais display:none (certains robots le savent) */
.piege {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

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

.boutons {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
}

.bouton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 13px 20px;
    border: 0;
    border-radius: 12px;
    font: inherit;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .2s, transform .1s, opacity .2s;
}

.bouton:active {
    transform: translateY(1px);
}

.bouton--principal {
    background: var(--turquoise);
    color: var(--blanc);
}

.bouton--principal:hover {
    background: #0f6372;
}

.bouton--secondaire {
    background: var(--fond);
    color: var(--texte-doux);
}

.bouton--secondaire:hover {
    color: var(--marine);
    background: var(--bordure);
}

.bouton[disabled] {
    opacity: .65;
    cursor: wait;
}

.bouton.est-en-cours .icone {
    display: none;
}

.bouton.est-en-cours::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, .4);
    border-top-color: var(--blanc);
    border-radius: 50%;
    animation: rotation .8s linear infinite;
}

@keyframes rotation {
    to { transform: rotate(360deg); }
}

/* --- Remerciement --------------------------------------------------------- */

.remerciement {
    padding: 12px 0 4px;
    text-align: center;
}

.remerciement:focus {
    outline: none;
}

.remerciement__titre {
    margin-bottom: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--marine);
}

.pastille {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
    border-radius: 50%;
    animation: apparition .4s ease;
}

.pastille .icone {
    width: 28px;
    height: 28px;
    stroke-width: 2.5;
}

.pastille--succes {
    background: #e4f5ec;
    color: var(--vert);
    box-shadow: 0 0 0 8px rgba(31, 138, 91, .08);
}

/* --- Message general ------------------------------------------------------ */

.message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    border-left: 4px solid var(--rouge);
    background: #fdeeed;
    color: #8a1c13;
    font-size: 15px;
}

/* --- Arguments ------------------------------------------------------------- */

.arguments {
    padding: 72px 0 64px;
    background: var(--blanc);
}

.arguments h2 {
    margin-bottom: 14px;
    text-align: center;
    font-size: clamp(24px, 3vw, 32px);
    color: var(--marine);
}

.arguments__intro {
    max-width: 760px;
    margin: 0 auto 44px;
    text-align: center;
    color: var(--texte-doux);
}

.arguments__grille {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.argument {
    padding: 26px 28px;
    border: 1px solid var(--bordure);
    border-radius: var(--rayon);
    background: var(--fond);
}

.argument__icone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 14px;
    border-radius: 12px;
    background: var(--marine);
    color: var(--turquoise-vif);
}

.argument__icone .icone {
    width: 22px;
    height: 22px;
}

.argument h3 {
    margin-bottom: 8px;
    font-size: 18px;
    color: var(--marine);
}

.argument a {
    color: var(--turquoise);
}

.argument p {
    font-size: 15px;
    color: var(--texte-doux);
}

/* --- Bandeau d'appel ------------------------------------------------------- */

.bandeau {
    padding: 40px 0;
    background: var(--marine);
    color: var(--blanc);
}

.bandeau .conteneur {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px 32px;
    text-align: center;
}

.bandeau p {
    font-size: clamp(20px, 2.6vw, 28px);
    font-weight: 700;
}

.bandeau strong {
    color: var(--turquoise-vif);
}

.bandeau__tel {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 999px;
    background: var(--turquoise);
    font-weight: 700;
    text-decoration: none;
}

.bandeau__tel:hover {
    background: #0f6372;
}

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

.pied {
    background: var(--marine-fonce);
    color: rgba(255, 255, 255, .7);
    font-size: 14px;
}

.pied__contenu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    padding-top: 22px;
    padding-bottom: 22px;
}

.pied nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
}

.pied a {
    text-decoration: none;
}

.pied a:hover {
    color: var(--blanc);
    text-decoration: underline;
}

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 900px) {
    .hero {
        padding: 32px 0 48px;
    }

    .hero__grille {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    .hero__texte {
        padding-top: 0;
    }

    .hero h1 {
        margin-bottom: 14px;
    }

    .atouts,
    .parcours {
        display: none;
    }

    .entete__horaires {
        display: none;
    }

    .arguments__grille {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 520px) {
    .conteneur {
        padding: 0 16px;
    }

    .entete__logo span {
        display: none;
    }

    .carte__entete,
    .carte__corps {
        padding-left: 18px;
        padding-right: 18px;
    }

    .champs-cote {
        grid-template-columns: minmax(0, 1fr);
    }

    .argument {
        padding: 22px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}

/* Etape 3 : respiration entre la note sur les pieces et la case d'accord */
.aide-pieces {
    margin-bottom: 20px;
}