:root {
    --marine-profond: #1E1B4B;
    --marine-clair: #2A2670;
    --accent: #4F46E5;
    --accent-hover: #4338CA;
    --accent-cyan: #06B6D4;
    --fond: #f2f5f8;
    --surface: #ffffff;
    --surface-2: #e9eef3;
    --texte: #1c2733;
    --texte-secondaire: #5a6b7b;
    --bordure: #d7dfe7;
    --ok: #1a7f4b;
    --rejet: #b3261e;
    --radius: 12px;
    --ombre: 0 4px 20px rgba(30, 27, 75, .08);
    --police: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--police);
    color: var(--texte);
    background: var(--fond);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.conteneur {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }

.eyebrow {
    display: inline-block;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: .75rem;
}

.section-titre {
    font-size: clamp(1.8rem, 3.2vw, 2.4rem);
    font-weight: 800;
    margin-bottom: .6rem;
}

.section-soustitre {
    color: var(--texte-secondaire);
    font-size: 1.05rem;
    max-width: 640px;
    margin-bottom: 2.5rem;
}

.section-entete { text-align: left; }
.section-entete.centre { text-align: center; margin-left: auto; margin-right: auto; }
.section-entete.centre .section-soustitre { margin-left: auto; margin-right: auto; }

section { padding: 5.5rem 0; }
@media (max-width: 640px) { section { padding: 3.5rem 0; } }

/* ---------- En-tête / navigation ---------- */
.entete {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--bordure);
}

.entete__barre {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.entete__logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 800;
    font-size: 1.3rem;
}

.entete__logo-texte { color: var(--marine-profond); }
.entete__logo-accent { color: var(--accent-cyan); }

.entete__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.entete__liens { display: flex; gap: 1.75rem; }

.entete__lien {
    font-size: .92rem;
    font-weight: 600;
    color: var(--texte-secondaire);
    transition: color .15s;
}
.entete__lien:hover { color: var(--accent); }

.entete__actions { display: flex; align-items: center; gap: .75rem; }

.entete__burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: .5rem;
}
.entete__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--marine-profond);
    margin: 5px 0;
    border-radius: 2px;
}

@media (max-width: 860px) {
    .entete__liens { display: none; }
    .entete__burger { display: block; }
    .entete__nav.est-ouvert .entete__liens {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 1.25rem 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--bordure);
        box-shadow: var(--ombre);
    }
    .btn--secondaire.entete__connexion { display: none; }
    .entete__lien--connexion { font-weight: 700; color: var(--accent); }
}

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.4rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: .92rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform .12s, box-shadow .12s, background .15s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn--principal {
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    color: #fff;
    box-shadow: 0 6px 18px rgba(79, 70, 229, .3);
}
.btn--principal:hover { box-shadow: 0 8px 24px rgba(79, 70, 229, .4); }

.btn--secondaire {
    background: transparent;
    color: var(--marine-profond);
    border-color: var(--bordure);
}
.btn--secondaire:hover { border-color: var(--accent); color: var(--accent); }

.btn--sur-sombre {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    border-color: rgba(255, 255, 255, .35);
}
.btn--sur-sombre:hover { background: rgba(255, 255, 255, .18); }

.btn--grand { padding: .95rem 1.9rem; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero {
    padding: 5rem 0 3rem;
    background:
        radial-gradient(1200px 500px at 15% -10%, rgba(79, 70, 229, .10), transparent),
        radial-gradient(900px 500px at 100% 10%, rgba(6, 182, 212, .10), transparent);
}

.hero__grille {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 3.5rem;
    align-items: center;
}
@media (max-width: 960px) { .hero__grille { grid-template-columns: 1fr; } }

.hero__titre {
    font-size: clamp(2.2rem, 4.6vw, 3.4rem);
    font-weight: 800;
    color: var(--marine-profond);
    margin-bottom: 1.2rem;
}
.hero__titre span { color: var(--accent); }

.hero__texte {
    font-size: 1.15rem;
    color: var(--texte-secondaire);
    max-width: 560px;
    margin-bottom: 2rem;
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__preuve {
    margin-top: 2.2rem;
    display: flex;
    gap: 1.75rem;
    flex-wrap: wrap;
}
.hero__preuve-item { display: flex; align-items: center; gap: .5rem; font-size: .88rem; color: var(--texte-secondaire); }
.hero__preuve-item svg { width: 18px; height: 18px; color: var(--ok); flex-shrink: 0; }

/* Illustration abstraite du tableau de bord */
.hero__illustration {
    position: relative;
    background: var(--surface);
    border-radius: 20px;
    box-shadow: var(--ombre);
    border: 1px solid var(--bordure);
    padding: 1.4rem;
}
.illustration__barre { display: flex; gap: .4rem; margin-bottom: 1rem; }
.illustration__pastille { width: 10px; height: 10px; border-radius: 99px; background: var(--bordure); }
.illustration__grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-bottom: .9rem; }
.illustration__tuile {
    background: var(--surface-2);
    border-radius: 10px;
    padding: .9rem .8rem;
}
.illustration__tuile strong { display: block; font-size: 1.3rem; color: var(--marine-profond); }
.illustration__tuile span { font-size: .72rem; color: var(--texte-secondaire); }
.illustration__barres {
    display: flex;
    align-items: flex-end;
    gap: .5rem;
    height: 110px;
    background: var(--surface-2);
    border-radius: 10px;
    padding: 1rem;
}
.illustration__barres i {
    flex: 1;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent));
    border-radius: 6px 6px 2px 2px;
    opacity: .9;
}

/* ---------- Constat ---------- */
.constat__grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}
@media (max-width: 860px) { .constat__grille { grid-template-columns: 1fr; } }

.carte-constat {
    background: var(--surface);
    border: 1px solid var(--bordure);
    border-radius: var(--radius);
    padding: 1.9rem;
}
.carte-constat__icone {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: #FEF3E7;
    color: #B25E09;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.1rem;
}
.carte-constat__icone svg { width: 26px; height: 26px; }
.carte-constat h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.carte-constat p { color: var(--texte-secondaire); font-size: .95rem; }

/* ---------- Flux (une seule plateforme) ---------- */
.flux {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .5rem;
    flex-wrap: wrap;
}
.flux__etape { flex: 1; min-width: 130px; text-align: center; }
.flux__rond {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto .8rem;
    box-shadow: 0 6px 16px rgba(79, 70, 229, .25);
}
.flux__rond svg { width: 26px; height: 26px; }
.flux__etape span { font-weight: 700; font-size: .88rem; }
.flux__fleche { color: var(--bordure); font-size: 1.4rem; padding-top: 1.1rem; }
@media (max-width: 760px) { .flux__fleche { display: none; } }

/* ---------- Fonctionnalités ---------- */
.fonctionnalites__grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
}
@media (max-width: 960px) { .fonctionnalites__grille { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .fonctionnalites__grille { grid-template-columns: 1fr; } }

.carte-fonction {
    background: var(--surface);
    border: 1px solid var(--bordure);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: box-shadow .15s, transform .15s;
}
.carte-fonction:hover { box-shadow: var(--ombre); transform: translateY(-2px); }
.carte-fonction__icone {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--marine-profond);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.carte-fonction__icone svg { width: 22px; height: 22px; }
.carte-fonction h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.carte-fonction p { color: var(--texte-secondaire); font-size: .92rem; }

/* ---------- Bandes sombres (sécurité / stats) ---------- */
.bande-sombre {
    background: linear-gradient(160deg, var(--marine-profond), #12102f);
    color: #fff;
}
.bande-sombre .section-titre { color: #fff; }
.bande-sombre .section-soustitre { color: #b6bdd6; }
.bande-sombre .eyebrow { color: var(--accent-cyan); }

.securite__grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
@media (max-width: 860px) { .securite__grille { grid-template-columns: 1fr; } }

.securite__liste { display: flex; flex-direction: column; gap: 1.3rem; }
.securite__item { display: flex; gap: .9rem; align-items: flex-start; }
.securite__item .puce {
    width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
    background: rgba(255,255,255,.1); color: var(--accent-cyan);
    display: flex; align-items: center; justify-content: center;
}
.securite__item .puce svg { width: 18px; height: 18px; }
.securite__item strong { display: block; margin-bottom: .2rem; }
.securite__item span { color: #b6bdd6; font-size: .92rem; }

.securite__badge {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 18px;
    padding: 2.2rem;
    text-align: center;
}
.securite__badge svg { width: 64px; height: 64px; color: var(--accent-cyan); margin: 0 auto 1.2rem; }
.securite__badge h3 { font-size: 1.3rem; margin-bottom: .6rem; }
.securite__badge p { color: #b6bdd6; font-size: .92rem; }

.stats__grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}
@media (max-width: 760px) { .stats__grille { grid-template-columns: 1fr; } }
.stats__chiffre {
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stats__label { color: #b6bdd6; font-size: .95rem; margin-top: .4rem; }

/* ---------- Comparaison ---------- */
.comparaison__grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 760px) { .comparaison__grille { grid-template-columns: 1fr; } }

.comparaison__colonne {
    border-radius: var(--radius);
    padding: 2rem;
}
.comparaison__colonne--avant { background: var(--surface-2); }
.comparaison__colonne--apres { background: #EEF2FF; border: 1px solid #C7D2FE; }
.comparaison__colonne h3 { font-size: 1.05rem; margin-bottom: 1.2rem; text-align: center; }
.comparaison__colonne--apres h3 { color: var(--accent); }
.comparaison__ligne { display: flex; gap: .6rem; padding: .7rem 0; border-bottom: 1px dashed var(--bordure); font-size: .92rem; }
.comparaison__ligne:last-child { border-bottom: none; }
.comparaison__colonne--avant .comparaison__ligne { color: var(--texte-secondaire); }
.comparaison__colonne--apres .comparaison__ligne { color: var(--texte); font-weight: 600; }
.comparaison__ligne svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: .1rem; }
.comparaison__colonne--avant svg { color: var(--rejet); }
.comparaison__colonne--apres svg { color: var(--ok); }

/* ---------- Mise en œuvre ---------- */
.etapes__grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    counter-reset: etape;
}
@media (max-width: 860px) { .etapes__grille { grid-template-columns: 1fr; } }
.etape {
    position: relative;
    padding-left: 3.2rem;
}
.etape::before {
    counter-increment: etape;
    content: counter(etape);
    position: absolute;
    left: 0; top: 0;
    width: 2.4rem; height: 2.4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    color: #fff;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
}
.etape h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.etape p { color: var(--texte-secondaire); font-size: .92rem; }

/* ---------- Contact / CTA ---------- */
.cta {
    background: linear-gradient(135deg, var(--marine-profond), var(--accent));
    color: #fff;
    border-radius: 24px;
    padding: 3.5rem 3rem;
    text-align: center;
}
.cta h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 800; margin-bottom: .8rem; }
.cta p { color: #d8dcf5; max-width: 560px; margin: 0 auto 2rem; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta__coordonnees {
    margin-top: 2.2rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    font-size: .95rem;
}
.cta__coordonnees a { display: flex; align-items: center; gap: .5rem; color: #fff; font-weight: 600; }
.cta__coordonnees svg { width: 18px; height: 18px; color: var(--accent-cyan); }

/* ---------- Pied de page ---------- */
.pied {
    border-top: 1px solid var(--bordure);
    padding: 2.5rem 0;
    background: var(--surface);
}
.pied__barre {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.pied__logo { display: flex; align-items: center; gap: .5rem; font-weight: 800; color: var(--marine-profond); }
.pied__droits { color: var(--texte-secondaire); font-size: .85rem; }
.pied__liens { display: flex; gap: 1.5rem; font-size: .88rem; }
.pied__liens a { color: var(--texte-secondaire); }
.pied__liens a:hover { color: var(--accent); }

/* ---------- Animation d'apparition ---------- */
.apparait {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
}
.apparait.est-visible { opacity: 1; transform: translateY(0); }

/* Lien de connexion du menu mobile : masque sur desktop, ou le bouton
   d en-tete est deja visible — il ne doit exister que dans le burger. */
@media (min-width: 861px) {
    .entete__lien--connexion { display: none; }
}