/* ================================================================
   Sourdosphère — landing-partenaires.css
   Direction institutionnelle : bleu pâle, angles droits, serif
   pour les titres — volontairement distincte de l'identité verte
   du reste du site (même logique que /rencontre-sourds).
   ================================================================ */

:root {
    --inst-bleu-clair: #E6F1FB;
    --inst-bleu-mid:   #85B7EB;
    --inst-bleu-vif:   #378ADD;
    --inst-bleu-fonce: #0C447C;
    --inst-bleu-nuit:  #042C53;
}

* { box-sizing: border-box; }
.inst-body {
    margin: 0;
    font-family: 'Source Sans 3', -apple-system, sans-serif;
    background: #fff;
    color: #1a1a18;
}
.inst-body h1, .inst-body h2, .inst-body h3 {
    font-family: 'Source Serif 4', Georgia, serif;
    color: var(--inst-bleu-nuit);
    margin: 0;
}

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:wght@600;700&family=Source+Sans+3:wght@400;500;600;700&display=swap');

/* ── Nav ─────────────────────────────────────────────────────── */
.inst-nav { background: var(--inst-bleu-nuit); padding: 0.9rem 1.5rem; }
.inst-nav__inner { max-width: 900px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.inst-nav__logo { font-size: 1rem; font-weight: 700; color: #fff; text-decoration: none; display: flex; align-items: baseline; gap: 0; }
.inst-nav__logo span { color: var(--inst-bleu-mid); }
.inst-nav__logo em { font-style: normal; font-size: 0.72rem; font-weight: 600; color: rgba(255,255,255,0.55); border-left: 1px solid rgba(255,255,255,0.25); padding-left: 8px; }
.inst-nav__cta { background: #fff; color: var(--inst-bleu-nuit); font-weight: 700; font-size: 0.82rem; padding: 0.55rem 1.1rem; text-decoration: none; }

@media (max-width: 640px) {
    .inst-nav__logo em { display: none; }
    .inst-nav__cta { font-size: 0.72rem; padding: 0.45rem 0.7rem; white-space: nowrap; }
}

/* ── En-tête ─────────────────────────────────────────────────── */
.inst-header { background: var(--inst-bleu-clair); padding: 3.5rem 1.5rem; }
.inst-header__inner { max-width: 720px; margin: 0 auto; text-align: center; }
.inst-header__badge {
    display: inline-block; background: var(--inst-bleu-fonce); color: var(--inst-bleu-clair);
    font-size: 0.68rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
    padding: 5px 14px; margin-bottom: 1.1rem;
}
.inst-header__title { font-size: 1.9rem; line-height: 1.3; margin-bottom: 1rem; }
.inst-header__sub { font-size: 1rem; line-height: 1.65; color: var(--inst-bleu-fonce); margin-bottom: 1.75rem; }

.inst-btn {
    display: inline-block; background: var(--inst-bleu-nuit); color: #fff;
    font-weight: 700; font-size: 0.9rem; padding: 0.9rem 1.9rem;
    text-decoration: none; border: none; cursor: pointer;
}
.inst-btn:hover { background: var(--inst-bleu-fonce); text-decoration: none; color: #fff; }
.inst-btn--full { width: 100%; text-align: center; font-size: 1rem; padding: 1rem; }

/* ── Chiffres ────────────────────────────────────────────────── */
.inst-stats { background: var(--inst-bleu-mid); padding: 1px; }
.inst-stats__inner { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; }
.inst-stat { background: #fff; padding: 1.75rem 1.25rem; text-align: center; }
.inst-stat__num { font-family: 'Source Serif 4', serif; font-weight: 700; font-size: 1.8rem; color: var(--inst-bleu-fonce); }
.inst-stat__label { font-size: 0.78rem; color: var(--inst-bleu-fonce); margin-top: 6px; line-height: 1.4; }

/* ── Bloc argumentaire encadré (sections 01 à 04) ───────────────
   Un seul cadre englobant plutôt que des blocs séparés — garantit
   que la colonne de numéro reste alignée identiquement sur toutes
   les lignes, y compris la checklist et les étapes. */
.inst-block {
    max-width: 900px; margin: 2.5rem auto;
    margin-left: max(1.5rem, calc((100% - 900px) / 2));
    margin-right: max(1.5rem, calc((100% - 900px) / 2));
    border: 1px solid var(--inst-bleu-mid);
}
.inst-row {
    display: flex; gap: 2rem; padding: 2.25rem 1.75rem;
    border-bottom: 1px solid var(--inst-bleu-clair);
}
.inst-row:last-child { border-bottom: none; }
.inst-row:nth-child(odd) { background: var(--inst-bleu-clair); }
.inst-row__num {
    font-family: 'Source Serif 4', serif; font-weight: 700; font-size: 2rem;
    color: var(--inst-bleu-mid); flex-shrink: 0; width: 56px;
}
.inst-row__body { flex: 1; min-width: 0; }
.inst-row__body h2 { font-size: 1.3rem; margin-bottom: 0.85rem; }
.inst-row__body p { font-size: 0.95rem; line-height: 1.75; color: #333; margin: 0 0 1rem; }
.inst-row__body p:last-child { margin-bottom: 0; }

@media (max-width: 640px) {
    .inst-row { flex-direction: column; gap: 0.75rem; padding: 1.5rem 1.25rem; }
    .inst-row__num { font-size: 1.5rem; width: auto; }
}

/* ── Checklist (dans la ligne 03) ────────────────────────────── */
.inst-checklist { display: flex; flex-direction: column; gap: 1px; background: var(--inst-bleu-mid); margin-top: 0.5rem; }
.inst-check-item { display: flex; gap: 0.85rem; align-items: flex-start; background: #fff; padding: 1.1rem 1.25rem; }
.inst-check-item svg { color: var(--inst-bleu-vif); flex-shrink: 0; margin-top: 2px; }
.inst-check-item strong { display: block; font-size: 0.92rem; color: var(--inst-bleu-nuit); margin-bottom: 3px; }
.inst-check-item p { font-size: 0.85rem; color: #555; margin: 0; line-height: 1.5; }

/* ── Étapes (dans la ligne 04) ───────────────────────────────── */
.inst-steps { display: flex; flex-direction: column; gap: 1rem; margin-top: 0.5rem; }
.inst-step { display: flex; gap: 1rem; align-items: flex-start; }
.inst-step__num {
    width: 32px; height: 32px; flex-shrink: 0; background: var(--inst-bleu-nuit); color: #fff;
    font-family: 'Source Serif 4', serif; font-weight: 700; font-size: 0.95rem;
    display: flex; align-items: center; justify-content: center;
}
.inst-step strong { display: block; font-size: 0.92rem; color: var(--inst-bleu-nuit); }
.inst-step p { font-size: 0.85rem; color: #555; margin: 2px 0 0; }

/* ── Formulaire ──────────────────────────────────────────────── */
.inst-form-section { background: #fff; padding: 3rem 1.5rem; border-top: 1px solid var(--inst-bleu-clair); border-bottom: 1px solid var(--inst-bleu-clair); }
.inst-form-section__inner { max-width: 640px; margin: 0 auto; text-align: center; }
.inst-form-section__inner h2 { font-size: 1.5rem; margin: 0.85rem 0 0.5rem; }
.inst-form-section__desc { font-size: 0.9rem; color: #666; margin: 0 0 2rem; }

.inst-form { text-align: left; background: var(--inst-bleu-clair); border: 1px solid var(--inst-bleu-mid); padding: 1.75rem; }
.inst-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.inst-form__group { margin-bottom: 1.1rem; }
.inst-form__label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--inst-bleu-nuit); margin-bottom: 0.35rem; }
.inst-form__label .required { color: #a32d2d; }
.inst-form__input {
    width: 100%; border: 1px solid var(--inst-bleu-mid);
    padding: 0.6rem 0.8rem; font-size: 0.9rem; font-family: 'Source Sans 3', sans-serif;
    background: #fff; color: #1a1a18; box-sizing: border-box;
}
.inst-form__input:focus { outline: none; border-color: var(--inst-bleu-vif); }
textarea.inst-form__input { resize: vertical; }

.alert { padding: 0.75rem 1rem; font-size: 0.875rem; line-height: 1.5; margin-bottom: 1.25rem; text-align: left; }
.alert--error { background: #FAECE7; color: #712B13; border: 1px solid #F0997B; }
.alert--success { background: var(--inst-bleu-clair); color: var(--inst-bleu-nuit); border: 1px solid var(--inst-bleu-mid); }

@media (max-width: 640px) { .inst-form__row { grid-template-columns: 1fr; } }

/* ── FAQ ─────────────────────────────────────────────────────── */
.inst-faq { padding: 3rem 1.5rem; }
.inst-faq__inner { max-width: 720px; margin: 0 auto; }
.inst-faq__inner h2 { font-size: 1.35rem; text-align: center; margin-bottom: 1.75rem; }
.inst-faq__item { border-bottom: 1px solid var(--inst-bleu-clair); padding: 1rem 0; }
.inst-faq__item summary { font-weight: 700; font-size: 0.95rem; color: var(--inst-bleu-nuit); cursor: pointer; }
.inst-faq__item p { font-size: 0.88rem; line-height: 1.65; color: #444; margin: 0.75rem 0 0; }

/* ── CTA final ───────────────────────────────────────────────── */
.inst-cta-final { background: var(--inst-bleu-nuit); padding: 2.5rem 1.5rem; }
.inst-cta-final__inner {
    max-width: 900px; margin: 0 auto; display: flex; align-items: center;
    justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
}
.inst-cta-final__title { font-family: 'Source Serif 4', serif; font-weight: 700; font-size: 1.25rem; color: #fff; }
.inst-cta-final__sub { font-size: 0.85rem; color: var(--inst-bleu-mid); margin-top: 4px; }
.inst-cta-final__btn { background: #fff; color: var(--inst-bleu-nuit); font-weight: 700; font-size: 0.88rem; padding: 0.85rem 1.75rem; text-decoration: none; flex-shrink: 0; }
.inst-cta-final__btn:hover { text-decoration: none; }

/* ── Footer ──────────────────────────────────────────────────── */
.inst-footer { background: #021b33; padding: 2rem 1.5rem; }
.inst-footer__inner { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 0.85rem; text-align: center; }
.inst-footer__logo { font-size: 1rem; font-weight: 700; color: #fff; text-decoration: none; }
.inst-footer__logo span { color: var(--inst-bleu-mid); }
.inst-footer__links { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.inst-footer__links a { font-size: 0.82rem; color: rgba(255,255,255,0.45); text-decoration: none; }
.inst-footer__links a:hover { color: #fff; }
.inst-footer p { font-size: 0.75rem; color: rgba(255,255,255,0.25); margin: 0; }

/* Bandeau d'avertissement environnement de test (staging) */
.staging-banner {
    position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
    background: #e5a000; color: #1a1a18;
    font-size: 0.72rem; font-weight: 700; text-align: center;
    padding: 4px 8px; letter-spacing: 0.3px;
}