/* ============================================
   Infonuxia — feuille de style commune
   ============================================ */

:root {
    --ardoise:      #1c2733;   /* bleu ardoise profond, fond & texte fort */
    --ardoise-clair:#2d3d4f;
    --cuivre:       #b5713f;   /* accent cuivré chaud (proximité) */
    --cuivre-clair: #c98a5a;
    --papier:       #f6f4f0;   /* fond clair légèrement chaud */
    --gris:         #5a6672;   /* texte secondaire */
    --gris-clair:   #e4e0d9;   /* bordures, séparateurs */
    --blanc:        #ffffff;
    --max:          1080px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Georgia", "Cambria", serif;
    color: var(--ardoise);
    background: var(--papier);
    line-height: 1.65;
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .nav-logo, .btn, .eyebrow {
    font-family: "Helvetica Neue", "Arial", sans-serif;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.75rem; }

a { color: var(--cuivre); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- En-tête / navigation ---------- */
.site-header {
    background: var(--ardoise);
    color: var(--papier);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--cuivre);
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.75rem;
    max-width: var(--max);
    margin: 0 auto;
}
.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--papier);
}
.nav-logo:hover { text-decoration: none; }
.nav-logo span { color: var(--cuivre-clair); }
.nav-links { display: flex; gap: 1.6rem; list-style: none; align-items: center; }
.nav-links a {
    color: var(--papier);
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
}
.nav-links a:hover { color: var(--cuivre-clair); text-decoration: none; }
.nav-links .nav-cta {
    border: 1px solid var(--cuivre-clair);
    padding: 0.45rem 1rem;
    border-radius: 2px;
}
.nav-links .nav-cta:hover { background: var(--cuivre); color: var(--blanc); }

.nav-toggle { display: none; background: none; border: 0; color: var(--papier); font-size: 1.6rem; cursor: pointer; }

/* ---------- Boutons ---------- */
.btn {
    display: inline-block;
    background: var(--cuivre);
    color: var(--blanc);
    padding: 0.85rem 1.7rem;
    border-radius: 2px;
    font-size: 0.98rem;
    letter-spacing: 0.3px;
    border: 1px solid var(--cuivre);
    transition: background 0.15s ease;
}
.btn:hover { background: var(--cuivre-clair); text-decoration: none; }
.btn-ghost {
    background: transparent;
    color: var(--ardoise);
    border: 1px solid var(--ardoise-clair);
}
.btn-ghost:hover { background: var(--ardoise); color: var(--papier); }

/* ---------- Eyebrow / intitulés ---------- */
.eyebrow {
    display: inline-block;
    font-size: 0.82rem;
    letter-spacing: 1px;
    color: var(--cuivre);
    margin-bottom: 0.6rem;
    font-weight: 600;
}

/* ---------- Hero ---------- */
.hero {
    background: var(--ardoise);
    color: var(--papier);
    padding: 5rem 0 5.5rem;
}
.hero .wrap { max-width: 820px; }
.hero h1 {
    font-size: 2.9rem;
    line-height: 1.12;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 1.3rem;
}
.hero p.lead {
    font-size: 1.28rem;
    color: var(--gris-clair);
    margin-bottom: 2.2rem;
    max-width: 42ch;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-actions .btn-ghost { color: var(--papier); border-color: var(--gris); }
.hero-actions .btn-ghost:hover { background: var(--papier); color: var(--ardoise); }

/* ---------- Sections ---------- */
section.bloc { padding: 4.5rem 0; }
section.bloc h2 {
    font-size: 2rem;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}
section.bloc.clair { background: var(--blanc); border-top: 1px solid var(--gris-clair); border-bottom: 1px solid var(--gris-clair); }

.intro-max { max-width: 60ch; color: var(--gris); font-size: 1.1rem; }

/* ---------- Deux piliers ---------- */
.piliers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2.5rem;
}
.pilier {
    background: var(--papier);
    border-left: 3px solid var(--cuivre);
    padding: 2rem 2rem 2.2rem;
}
.pilier h3 { font-size: 1.35rem; margin-bottom: 0.7rem; }
.pilier p { color: var(--gris); font-size: 1.02rem; }

/* ---------- Liste de services ---------- */
.services-list { margin-top: 2.5rem; display: grid; gap: 0; }
.service-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-top: 1px solid var(--gris-clair);
}
.service-item:last-child { border-bottom: 1px solid var(--gris-clair); }
.service-item h3 { font-size: 1.3rem; color: var(--ardoise); }
.service-item .svc-body { color: var(--gris); font-size: 1.05rem; }
.service-item .svc-body ul { margin: 0.6rem 0 0 1.1rem; }
.service-item .svc-body li { margin-bottom: 0.3rem; }

/* ---------- Atouts (pourquoi moi) ---------- */
.atouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; margin-top: 2.5rem; }
.atout h3 { font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--ardoise); }
.atout p { color: var(--gris); font-size: 1rem; }
.atout .num {
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: var(--cuivre);
    font-size: 0.85rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.7rem;
    border-top: 2px solid var(--cuivre);
    padding-top: 0.6rem;
    width: 2rem;
}

/* ---------- Bandeau CTA ---------- */
.cta-bande {
    background: var(--cuivre);
    color: var(--blanc);
    text-align: center;
    padding: 3.5rem 0;
}
.cta-bande h2 { font-size: 1.9rem; margin-bottom: 0.8rem; color: var(--blanc); }
.cta-bande p { margin-bottom: 1.8rem; font-size: 1.15rem; opacity: 0.95; }
.cta-bande .btn { background: var(--ardoise); border-color: var(--ardoise); }
.cta-bande .btn:hover { background: var(--ardoise-clair); }

/* ---------- Page contenu simple ---------- */
.page-head {
    background: var(--ardoise);
    color: var(--papier);
    padding: 3.5rem 0;
}
.page-head h1 { font-size: 2.3rem; letter-spacing: -0.5px; }
.page-head p { color: var(--gris-clair); margin-top: 0.6rem; font-size: 1.15rem; max-width: 55ch; }

.contenu { padding: 4rem 0; }
.contenu h2 { font-size: 1.5rem; margin: 2rem 0 0.8rem; }
.contenu h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; font-family: "Helvetica Neue", Arial, sans-serif; }
.contenu p { margin-bottom: 1rem; max-width: 68ch; }
.contenu ul { margin: 0 0 1.2rem 1.3rem; max-width: 66ch; }
.contenu li { margin-bottom: 0.4rem; }
.contenu .placeholder {
    background: #fbeee2;
    border: 1px dashed var(--cuivre);
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.9rem;
    color: var(--cuivre);
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 1rem; }
.contact-card { background: var(--blanc); border: 1px solid var(--gris-clair); padding: 2rem; }
.contact-card h3 { margin-bottom: 0.8rem; }
.contact-card p { margin-bottom: 0.6rem; }
.contact-line { display: block; font-size: 1.1rem; margin-bottom: 0.5rem; }
.contact-line strong { font-family: "Helvetica Neue", Arial, sans-serif; font-size: 0.85rem; letter-spacing: 0.5px; color: var(--gris); display: block; }

/* ---------- Pied de page ---------- */
.site-footer {
    background: var(--ardoise);
    color: var(--gris-clair);
    padding: 2.5rem 0;
    font-size: 0.95rem;
    font-family: "Helvetica Neue", Arial, sans-serif;
}
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.footer-links { list-style: none; display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-links a { color: var(--gris-clair); }
.footer-links a:hover { color: var(--cuivre-clair); text-decoration: none; }
.footer-legal { font-size: 0.85rem; opacity: 0.7; }

/* ---------- Responsive ---------- */
@media (max-width: 780px) {
    body { font-size: 17px; }
    .hero h1 { font-size: 2.1rem; }
    .hero p.lead { font-size: 1.1rem; }
    .piliers, .atouts, .contact-grid { grid-template-columns: 1fr; }
    .service-item { grid-template-columns: 1fr; gap: 0.5rem; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--ardoise);
        flex-direction: column;
        padding: 1rem 1.75rem 1.5rem;
        gap: 1rem;
        border-bottom: 3px solid var(--cuivre);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
}

/* Accessibilité : mouvement réduit */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}