/* ============================================================
   Alternatives Européennes — Feuille de style principale
   ============================================================ */

/* Inspiré du design de lasuite.numerique.gouv.fr :
   blanc/gris léger, bleu institutionnel, typographie claire,
   cartes épurées, espacement généreux, accessibilité RGAA */
:root {
    --bleu:       #000091;   /* Bleu République française */
    --bleu-clair: #1212ff;
    --bleu-hover: #2323ff;
    --or:         #FFCC00;
    --blanc:      #ffffff;
    --gris-fond:  #f6f6f6;
    --gris-clair: #eeeeee;
    --gris:       #dddddd;
    --gris-bord:  #cecece;
    --texte:      #161616;
    --texte-doux: #666666;
    --rayon:      4px;
    --rayon-lg:   8px;
    --ombre:      0 2px 6px rgba(0,0,0,.06);
    --ombre-md:   0 4px 16px rgba(0,0,0,.10);
    --transition: .2s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "Marianne", system-ui, -apple-system, sans-serif;
    color: var(--texte);
    background: var(--gris-fond);
    line-height: 1.65;
    font-size: 16px;
}
a { color: var(--bleu); text-decoration: underline; }
a:hover { color: var(--bleu-hover); }
img { max-width: 100%; display: block; }

/* Utilitaires */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* ---- Header ---- */
.site-header {
    background: var(--bleu);
    color: var(--blanc);
    padding: .75rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.logo { color: var(--blanc); font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; gap: .4rem; }
.logo:hover { text-decoration: none; opacity: .9; }
.nav-principale { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.nav-principale a { color: var(--blanc); opacity: .8; font-size: .9rem; transition: opacity .2s; text-decoration: none; }
.nav-principale a:hover { opacity: 1; }
.nav-principale a.active { opacity: 1; border-bottom: 2px solid var(--or); padding-bottom: 2px; }

/* ---- Hero ---- */
.hero {
    background: linear-gradient(140deg, var(--bleu) 0%, #1a1aee 100%);
    color: var(--blanc);
    text-align: center;
    padding: 4rem 1rem 3rem;
    margin-bottom: 2rem;
}
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); margin-bottom: .75rem; font-weight: 800; letter-spacing: -.02em; }
.hero p  { font-size: 1.1rem; opacity: .88; margin-bottom: 1.75rem; max-width: 540px; margin-left: auto; margin-right: auto; }

.hero-search { display: flex; gap: .5rem; max-width: 580px; margin: 0 auto; }
.hero-search .search-wrapper { flex: 1; }
.hero-search input {
    width: 100%;
    padding: .85rem 1.1rem;
    border: none;
    border-radius: var(--rayon);
    font-size: 1rem;
}
.hero-search button {
    background: var(--or);
    color: var(--bleu);
    border: none;
    padding: .85rem 1.4rem;
    border-radius: var(--rayon);
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity .2s;
}
.hero-search button:hover { opacity: .85; }

/* Stats hero */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.hero-stat strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
}
.hero-stat span { font-size: .82rem; opacity: .8; }

/* ---- Filtres ---- */
.filtres { margin-bottom: 1.5rem; }
.filtres-form { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; }
.filtres-form select,
.filtres-form button {
    padding: .5rem .9rem;
    border: 1px solid var(--gris);
    border-radius: var(--rayon);
    font-size: .9rem;
    background: var(--blanc);
    cursor: pointer;
}
.filtres-form button { background: var(--bleu); color: var(--blanc); border-color: var(--bleu); font-weight: 600; }
.btn-reset { color: var(--texte-doux); font-size: .85rem; }

/* ---- Grille alternatives ---- */
.alternatives-grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}
.carte-alternative {
    background: var(--blanc);
    border-radius: var(--rayon-lg);
    box-shadow: var(--ombre);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .6rem;
    transition: transform .18s, box-shadow .18s;
    will-change: transform;
}
.carte-alternative:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.13); }

.carte-header { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.pays-header { font-size: .75rem; font-weight: 600; color: var(--texte-doux); display: flex; align-items: center; gap: .4rem; }
.pays-header .flag { font-size: 1.3rem; }
.drapeau { font-size: 1.6rem; }
.categorie-badge {
    background: var(--gris-clair);
    color: var(--texte-doux);
    font-size: .72rem;
    padding: .2rem .55rem;
    border-radius: 20px;
    border: 1px solid var(--gris);
    text-decoration: none;
    transition: background .15s, color .15s;
}
a.categorie-badge:hover {
    background: var(--bleu);
    color: var(--blanc);
    border-color: var(--bleu);
}

/* Logo avec placeholder */
.logo-alt-wrapper { height: 44px; display: flex; align-items: center; margin: .15rem 0; }
.logo-alt { max-height: 44px; object-fit: contain; }
.logo-placeholder {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--bleu), var(--bleu-clair));
    color: var(--blanc);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    flex-shrink: 0;
}
.logo-placeholder-lg {
    width: 60px;
    height: 60px;
    font-size: 1.8rem;
    border-radius: 14px;
}
.carte-alternative h2 { font-size: 1.05rem; }
.carte-alternative h2 a { color: var(--texte); }
.carte-alternative h2 a:hover { color: var(--bleu-clair); text-decoration: none; }
.description { font-size: .88rem; color: var(--texte-doux); flex: 1; }
.remplace { font-size: .8rem; color: var(--texte-doux); }
.remplace em { color: var(--bleu-clair); }

.carte-footer {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    margin-top: .25rem;
    padding-top: .75rem;
    border-top: 1px solid var(--gris);
}
.pays-nom { font-size: .82rem; color: var(--texte-doux); margin-right: auto; }
.badge { font-size: .72rem; padding: .2rem .5rem; border-radius: 20px; font-weight: 600; }
.badge.open-source { background: #e8f5e9; color: #2e7d32; }
.badge.gratuit     { background: #e3f2fd; color: #1565c0; }
.btn-visiter {
    background: var(--bleu);
    color: var(--blanc);
    padding: .3rem .75rem;
    border-radius: var(--rayon);
    font-size: .82rem;
    font-weight: 600;
    transition: background .2s;
}
.btn-visiter:hover { background: var(--bleu-clair); text-decoration: none; }

/* ---- Catégories ---- */
.categories-section { margin-bottom: 3rem; }
.categories-section h2 { font-size: 1.3rem; margin-bottom: 1rem; }
.categories-grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}
.carte-categorie {
    background: var(--blanc);
    border: 1px solid var(--gris);
    border-radius: var(--rayon);
    padding: 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: .3rem;
    color: var(--texte);
    transition: border-color .2s, box-shadow .2s;
}
.carte-categorie:hover { border-color: var(--bleu-clair); box-shadow: var(--ombre); text-decoration: none; }
.carte-categorie .icone   { font-size: 1.8rem; }
.carte-categorie .nom     { font-size: .85rem; font-weight: 600; }
.carte-categorie .compteur{ font-size: .75rem; color: var(--texte-doux); }

/* ---- Footer ---- */
.site-footer {
    background: var(--bleu);
    color: var(--blanc);
    padding: 1.5rem 0;
    text-align: center;
    font-size: .875rem;
}
.site-footer p { opacity: .8; margin-bottom: .5rem; }
.nav-footer { display: flex; justify-content: center; gap: 1.5rem; }
.nav-footer a { color: var(--blanc); opacity: .7; transition: opacity .2s; }
.nav-footer a:hover { opacity: 1; text-decoration: none; }

/* ---- Divers ---- */
.vide { text-align: center; padding: 3rem; color: var(--texte-doux); }

/* ---- Fil d'Ariane ---- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
    color: var(--texte-doux);
    margin: 1.25rem 0;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--bleu-clair); }
.breadcrumb span[aria-hidden] { color: var(--gris); }

/* ---- Fiche alternative ---- */
.fiche-alternative {
    background: var(--blanc);
    border-radius: var(--rayon-lg);
    box-shadow: var(--ombre);
    padding: 2rem;
    margin-bottom: 2rem;
    max-width: 960px;
}

/* Header : logo + titre côte à côte */
.fiche-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--gris);
    flex-wrap: wrap;
}
.fiche-logo-col { flex-shrink: 0; }
.fiche-logo { height: 72px; object-fit: contain; }

.fiche-titre-col { flex: 1; min-width: 200px; }
.fiche-titre-col .fiche-meta {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
    margin-bottom: .5rem;
}
.drapeau-grand { font-size: 1.8rem; }
.pays-label { font-weight: 700; font-size: .95rem; color: var(--texte); }
.fiche-titre-col h1 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: .6rem; }
.fiche-badges { display: flex; gap: .5rem; flex-wrap: wrap; }
.badge.payant   { background: #fff3e0; color: #e65100; }
.badge.freemium { background: #f3e5f5; color: #6a1b9a; }

/* Layout deux colonnes */
.fiche-body {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 2rem;
    align-items: start;
}
.fiche-sidebar {
    position: sticky;
    top: 5rem;
}

/* CTA */
.btn-principal {
    display: inline-block;
    background: var(--bleu);
    color: var(--blanc);
    padding: .7rem 1.5rem;
    border-radius: var(--rayon);
    font-weight: 700;
    font-size: 1rem;
    transition: background .2s;
}
.btn-principal:hover { background: var(--bleu-clair); text-decoration: none; }
.btn-cta {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 1.05rem;
    padding: .9rem 1.5rem;
    margin-bottom: 1.25rem;
    border-radius: var(--rayon);
}

/* Info box sidebar */
.info-box {
    background: var(--gris-fond);
    border: 1px solid var(--gris);
    border-radius: var(--rayon);
    overflow: hidden;
}
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1rem;
    border-bottom: 1px solid var(--gris);
    font-size: .86rem;
}
.info-row:last-child { border-bottom: none; }
.info-label { color: var(--texte-doux); font-weight: 600; white-space: nowrap; }
.info-value { color: var(--texte); text-align: right; word-break: break-all; }
.info-value a { color: var(--bleu-clair); font-size: .8rem; }

/* Sections de la fiche */
.fiche-section {
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--gris);
}
.fiche-section:last-of-type { border-bottom: none; }
.fiche-section h2 { font-size: .8rem; color: var(--texte-doux); text-transform: uppercase; letter-spacing: .07em; margin-bottom: .75rem; font-weight: 700; }
.description-texte { line-height: 1.8; color: var(--texte); }

/* Remplace */
.remplace-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .5rem; }
.produit-remplace {
    display: inline-block;
    background: #fff3e0;
    color: #bf360c;
    border-radius: 4px;
    padding: .2rem .55rem;
    font-size: .88rem;
    font-weight: 600;
}
.remplace-note { font-size: .8rem; color: var(--texte-doux); }

/* Tags */
.tags-liste { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag {
    background: var(--gris-clair);
    border: 1px solid var(--gris);
    color: var(--bleu-clair);
    padding: .25rem .65rem;
    border-radius: 20px;
    font-size: .82rem;
    transition: background .2s;
}
.tag:hover { background: var(--bleu); color: var(--blanc); text-decoration: none; }

/* Actions */
.fiche-actions {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    padding-top: 1.25rem;
}
.btn-secondaire {
    background: var(--gris-clair);
    border: 1px solid var(--gris);
    color: var(--texte);
    padding: .6rem 1.1rem;
    border-radius: var(--rayon);
    font-size: .9rem;
    transition: background .2s;
}
.btn-secondaire:hover { background: var(--gris); text-decoration: none; }

/* Similaires */
.similaires { margin-bottom: 3rem; }
.similaires h2 { font-size: 1.2rem; margin-bottom: 1rem; }

/* 404 */
.erreur-404 { text-align: center; padding: 4rem 1rem; }
.erreur-404 h1 { font-size: 5rem; color: var(--gris); }
.erreur-404 p  { color: var(--texte-doux); margin: 1rem 0; }

/* ---- Pages communes ---- */
.page-titre {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin: 1.5rem 0 1rem;
    color: var(--texte);
}
.page-intro {
    color: var(--texte-doux);
    max-width: 680px;
    margin-bottom: 1.75rem;
    line-height: 1.7;
}
.page-contenu, .page-formulaire, .page-recherche {
    max-width: 820px;
    padding: 1rem 0 3rem;
}
.contenu-section {
    background: var(--blanc);
    border-radius: var(--rayon-lg);
    box-shadow: var(--ombre);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
}
.contenu-section h2 { font-size: 1.1rem; margin-bottom: .75rem; color: var(--bleu); }
.contenu-section ul { padding-left: 1.5rem; }
.contenu-section li { margin-bottom: .4rem; }

/* ---- Formulaires ---- */
.formulaire { display: flex; flex-direction: column; gap: 1.1rem; }
.champ { display: flex; flex-direction: column; gap: .35rem; }
.champ label { font-size: .9rem; font-weight: 600; color: var(--texte); }
.requis { color: #c9191e; }
.champ input[type="text"],
.champ input[type="email"],
.champ input[type="url"],
.champ input[type="password"],
.champ input[type="search"],
.champ select,
.champ textarea {
    padding: .65rem .85rem;
    border: 1px solid var(--gris-bord);
    border-radius: var(--rayon);
    font-size: 1rem;
    font-family: inherit;
    color: var(--texte);
    background: var(--blanc);
    transition: border-color var(--transition);
    width: 100%;
}
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
    outline: none;
    border-color: var(--bleu);
    box-shadow: 0 0 0 2px rgba(0,0,145,.15);
}
.champ small { font-size: .8rem; color: var(--texte-doux); }
.champ-checkbox { justify-content: flex-end; }
.champ-checkbox label { display: flex; align-items: center; gap: .5rem; font-weight: 400; cursor: pointer; }
.champs-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.champs-trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.champ-submit { display: flex; gap: 1rem; align-items: center; margin-top: .5rem; }

/* ---- Alertes ---- */
.alerte {
    padding: .9rem 1.1rem;
    border-radius: var(--rayon);
    font-size: .9rem;
    margin-bottom: 1rem;
    border-left: 4px solid;
}
.alerte ul { padding-left: 1.25rem; margin-top: .35rem; }
.alerte li { margin-bottom: .2rem; }
.alerte-succes { background: #b8fec9; border-color: #18753c; color: #18753c; }
.alerte-erreur { background: #ffe9e9; border-color: #c9191e; color: #c9191e; }

/* ---- Recherche ---- */
.recherche-form { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: .75rem; }
.recherche-champ { display: flex; gap: .5rem; }
.recherche-champ input {
    flex: 1;
    padding: .7rem 1rem;
    border: 1px solid var(--gris-bord);
    border-radius: var(--rayon);
    font-size: 1rem;
}
.recherche-champ button {
    background: var(--bleu);
    color: var(--blanc);
    border: none;
    padding: .7rem 1.25rem;
    border-radius: var(--rayon);
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}
.recherche-info { color: var(--texte-doux); margin-bottom: 1.25rem; font-size: .95rem; }
.recherche-info strong { color: var(--texte); }

/* Suggestions */
.recherche-suggestions { margin-top: 1.5rem; }
.recherche-suggestions h2 { font-size: 1rem; color: var(--texte-doux); margin-bottom: .75rem; }
.suggestions-liste { display: flex; flex-wrap: wrap; gap: .5rem; }
.suggestion-chip {
    background: var(--blanc);
    border: 1px solid var(--gris-bord);
    border-radius: 20px;
    padding: .35rem .9rem;
    font-size: .85rem;
    color: var(--bleu);
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition);
}
.suggestion-chip:hover { background: var(--bleu); color: var(--blanc); border-color: var(--bleu); }

/* ---- Catégories (version large) ---- */
.categories-grille-large {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}
.carte-categorie-large { padding: 1.5rem; }
.carte-categorie-large .icone { font-size: 2.2rem; }
.carte-categorie-large .nom { font-size: 1rem; }
.desc-cat { font-size: .78rem; color: var(--texte-doux); line-height: 1.4; }

/* ---- Autocomplete ---- */
.search-wrapper { position: relative; }
.ac-dropdown {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    background: var(--blanc);
    border: 1px solid var(--gris-bord);
    border-radius: var(--rayon);
    box-shadow: var(--ombre-md);
    z-index: 300;
    list-style: none;
    overflow: hidden;
}
.ac-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .65rem 1rem;
    color: var(--texte);
    text-decoration: none;
    font-size: .9rem;
    border-bottom: 1px solid var(--gris-clair);
    transition: background var(--transition);
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.active { background: var(--gris-fond); text-decoration: none; }
.ac-flags { font-size: 1.1rem; flex-shrink: 0; }
.ac-info em { display: block; font-size: .76rem; color: var(--texte-doux); font-style: normal; }

/* ---- Hamburger ---- */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: .4rem;
    flex-direction: column;
    gap: 5px;
    flex-shrink: 0;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--blanc);
    border-radius: 2px;
    transition: all .25s;
}

/* ---- Responsive ---- */
@media (max-width: 700px) {
    /* Hamburger visible */
    .nav-toggle { display: flex; }

    /* Nav mobile */
    .nav-principale {
        display: none;
        order: 3;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: .25rem;
    }
    .nav-principale.ouverte { display: flex; }
    .nav-principale a {
        padding: .7rem .25rem;
        border-top: 1px solid rgba(255,255,255,.12);
        font-size: .95rem;
    }

    /* Hero */
    .hero { padding: 2.5rem 1rem 2rem; }
    .hero-search { flex-direction: column; }
    .hero-search .search-wrapper { width: 100%; }
    .hero-stats { gap: 1.5rem; }
    .hero-stat strong { font-size: 1.4rem; }

    /* Filtres */
    .filtres-form { flex-direction: column; }
    .filtres-form select, .filtres-form button { width: 100%; }

    /* Fiche */
    .fiche-alternative { padding: 1.25rem; }
    .fiche-body { grid-template-columns: 1fr; }
    .fiche-sidebar { position: static; order: -1; }
    .btn-cta { font-size: 1rem; }
    .fiche-actions { flex-direction: column; }

    /* Formulaires */
    .champs-duo, .champs-trio { grid-template-columns: 1fr; }
    .recherche-champ { flex-direction: column; }
    .champ-submit { flex-direction: column; }
}