/* =====================================================
   BOKETIGO — Thème Grav
   Charte : bleu #1B57EB · Manrope · grayscale Cloud→Phantom
   ===================================================== */

:root {
    /* Couleurs primaires (charte p.13) */
    --blanc:    #FFFFFF;
    --noir:     #000000;
    --bleu:     #1B57EB;

    /* Grayscale (charte p.14) */
    --cloud:    #EDEFF7;
    --smoke:    #D3D6E0;
    --steel:    #BCBFCC;
    --space:    #9DA2B3;
    --graphite: #6E7180;
    --arsenic:  #40424D;
    --phantom:  #1E1E24;

    /* Typo — échelle de la charte (p.17) */
    --police: 'Manrope', system-ui, sans-serif;
    --t-h1: clamp(2.5rem, 5.5vw, 4rem);      /* 64px */
    --t-h2: clamp(2rem, 4vw, 3rem);          /* 48px */
    --t-sub1: clamp(1.5rem, 2.5vw, 2rem);    /* 32px */
    --t-sub2: 1.5rem;                        /* 24px */
    --t-p1: 1.125rem;                        /* 18px */
    --t-p2: 1rem;                            /* 16px */

    --rayon: 14px;
    --transition: 220ms ease;
}

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

body {
    margin: 0;
    font-family: var(--police);
    font-size: var(--t-p2);
    font-weight: 400;
    line-height: 1.65;
    color: var(--arsenic);
    background: var(--blanc);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--phantom); line-height: 1.15; margin: 0 0 0.6em; }
h1 { font-size: var(--t-h1); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: var(--t-h2); font-weight: 800; letter-spacing: -0.015em; }
h3 { font-size: var(--t-sub2); font-weight: 700; }

p { margin: 0 0 1em; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); }

:focus-visible {
    outline: 3px solid var(--bleu);
    outline-offset: 3px;
    border-radius: 4px;
}

.conteneur {
    width: min(1180px, 100% - 3rem);
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: -999px;
    background: var(--bleu);
    color: var(--blanc);
    padding: 0.6rem 1.2rem;
    border-radius: 0 0 var(--rayon) 0;
    z-index: 100;
}
.skip-link:focus { left: 0; top: 0; }

/* ---------- Signature : le point bleu ---------- */
.point-bleu {
    display: inline-block;
    width: 0.22em;
    height: 0.22em;
    margin-left: 0.12em;
    background: var(--bleu);
    border-radius: 50%;
    vertical-align: baseline;
}

.surtitre {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bleu);
    margin-bottom: 0.8rem;
}

.titre-section { max-width: 22ch; }

/* ---------- Boutons ---------- */
.bouton {
    display: inline-block;
    font-weight: 700;
    font-size: var(--t-p2);
    text-decoration: none;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.bouton:hover { transform: translateY(-2px); }

.bouton-bleu { background: var(--bleu); color: var(--blanc); }
.bouton-bleu:hover { background: #1648c4; }

.bouton-contour {
    color: var(--phantom);
    border: 2px solid var(--smoke);
    background: transparent;
}
.bouton-contour:hover { border-color: var(--bleu); color: var(--bleu); }

.bouton-blanc { background: var(--blanc); color: var(--bleu); }
.bouton-blanc:hover { background: var(--cloud); }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--cloud);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.9rem;
    gap: 1.5rem;
}

.logo {
    display: inline-flex;
    align-items: center;
}
.logo-image {
    height: 34px;
    width: auto;
    display: block;
}

.nav-principale ul {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-principale a:not(.bouton) {
    position: relative;
    font-weight: 600;
    color: var(--arsenic);
    text-decoration: none;
    padding-block: 0.4rem;
}

/* Survol & actif : le point bleu, encore */
.nav-principale a:not(.bouton)::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--bleu);
    transform: translateX(-50%) scale(0);
    transition: transform var(--transition);
}
.nav-principale a:not(.bouton):hover::after,
.nav-principale a.actif::after { transform: translateX(-50%) scale(1); }
.nav-principale a.actif { color: var(--phantom); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: 0;
    padding: 0.5rem;
    cursor: pointer;
}
.nav-toggle span {
    width: 26px;
    height: 3px;
    border-radius: 2px;
    background: var(--phantom);
    transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 9vw, 7rem);
    background: linear-gradient(180deg, var(--blanc) 0%, var(--cloud) 100%);
}

.hero-arcs {
    position: absolute;
    right: -70px;
    top: 40px;
    width: clamp(240px, 30vw, 440px);
    opacity: 0.08;
    pointer-events: none;
}
.hero-arcs img { width: 100%; height: auto; }

.hero-titre { max-width: 16ch; }

.hero-texte {
    font-size: var(--t-p1);
    color: var(--graphite);
    max-width: 56ch;
    margin-bottom: 2.2rem;
}

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

/* ---------- Sections génériques ---------- */
.services, .agence, .apercu-portfolio, .portfolio, .contact, .contenu-simple {
    padding-block: clamp(4rem, 8vw, 6.5rem);
}

/* ---------- Services ---------- */
.services-grille {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-carte {
    background: var(--blanc);
    border: 1px solid var(--cloud);
    border-radius: var(--rayon);
    padding: 2rem 1.6rem;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-carte:hover {
    border-color: var(--bleu);
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(27, 87, 235, 0.10);
}

.service-picto {
    width: 56px;
    height: 56px;
    color: var(--bleu);
    margin-bottom: 1.2rem;
}
.service-picto svg { width: 100%; height: 100%; }

.service-carte h3 { margin-bottom: 0.5rem; font-size: 1.25rem; }
.service-carte p { color: var(--graphite); margin: 0; }

/* ---------- Agence ---------- */
.agence { background: var(--phantom); }
.agence .surtitre { color: var(--steel); }
.agence .titre-section { color: var(--blanc); }
.agence p { color: var(--smoke); }

.agence-grille {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
}

.agence-photo, .agence-visuel img {
    border-radius: var(--rayon);
    width: 100%;
    object-fit: cover;
}

.liste-points {
    list-style: none;
    padding: 0;
    margin: 1.6rem 0 0;
    display: grid;
    gap: 0.7rem;
}
.liste-points li {
    position: relative;
    padding-left: 1.4rem;
    color: var(--cloud);
    font-weight: 600;
}
.liste-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bleu);
}

/* ---------- Portfolio / aperçu ---------- */
.apercu-entete {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.lien-fleche {
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}
.lien-fleche::after { content: ' →'; }
.lien-fleche:hover { text-decoration: underline; }

.apercu-grille, .portfolio-grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.6rem;
}

.projet-carte {
    display: block;
    text-decoration: none;
    background: var(--blanc);
    border: 1px solid var(--cloud);
    border-radius: var(--rayon);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.projet-carte:hover {
    transform: translateY(-4px);
    border-color: var(--bleu);
    box-shadow: 0 14px 34px rgba(27, 87, 235, 0.10);
}

.projet-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.projet-infos { padding: 1.3rem 1.4rem 1.5rem; }
.projet-infos h2, .projet-infos h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
.projet-infos p { color: var(--graphite); margin: 0.4rem 0 0; }

.projet-categorie {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bleu);
    margin-bottom: 0.4rem;
}

/* Visuel en attente (placeholder) */
.visuel-attente {
    aspect-ratio: 4 / 3;
    display: grid;
    place-items: center;
    text-align: center;
    background: repeating-linear-gradient(45deg, var(--cloud), var(--cloud) 14px, var(--blanc) 14px, var(--blanc) 28px);
    color: var(--space);
    font-weight: 600;
    border-radius: var(--rayon);
}
.visuel-attente small { font-weight: 400; }

/* Filtres portfolio */
.filtres {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
}
.filtre {
    font-family: var(--police);
    font-size: var(--t-p2);
    font-weight: 600;
    color: var(--arsenic);
    background: var(--cloud);
    border: 2px solid transparent;
    border-radius: 999px;
    padding: 0.5rem 1.3rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.filtre:hover { border-color: var(--bleu); color: var(--bleu); }
.filtre.actif { background: var(--bleu); color: var(--blanc); }

.projet-carte.masque { display: none; }

/* ---------- En-tête de page interne ---------- */
.entete-page {
    padding-block: clamp(4rem, 9vw, 6.5rem) clamp(2rem, 4vw, 3rem);
    background: linear-gradient(180deg, var(--blanc) 0%, var(--cloud) 100%);
}

/* ---------- Bandeau CTA ---------- */
.bandeau-cta {
    background: var(--bleu);
    padding-block: clamp(3.5rem, 7vw, 5.5rem);
}
.bandeau-inner { text-align: center; }
.bandeau-cta h2 { color: var(--blanc); }
.bandeau-cta p {
    color: var(--cloud);
    font-size: var(--t-p1);
    max-width: 50ch;
    margin: 0 auto 2rem;
}

/* ---------- Contact ---------- */
.contact-grille {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
}

.contact-infos h2, .contact-formulaire h2 { font-size: var(--t-sub1); }

.liste-contact {
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem;
    display: grid;
    gap: 1rem;
}
.contact-libelle {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--space);
}
.liste-contact a {
    font-weight: 600;
    color: var(--phantom);
    text-decoration: none;
}
.liste-contact a:hover { color: var(--bleu); }

/* Formulaire (plugin Form) */
.contact-formulaire form { display: grid; gap: 1.2rem; }
.contact-formulaire label {
    display: block;
    font-weight: 700;
    color: var(--phantom);
    margin-bottom: 0.4rem;
}
.contact-formulaire input[type="text"],
.contact-formulaire input[type="email"],
.contact-formulaire select,
.contact-formulaire textarea {
    width: 100%;
    font-family: var(--police);
    font-size: var(--t-p2);
    color: var(--phantom);
    background: var(--blanc);
    border: 2px solid var(--smoke);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    transition: border-color var(--transition);
}
.contact-formulaire input:focus,
.contact-formulaire select:focus,
.contact-formulaire textarea:focus {
    outline: none;
    border-color: var(--bleu);
}
.contact-formulaire textarea { min-height: 160px; resize: vertical; }

.contact-formulaire button[type="submit"],
.contact-formulaire .button {
    justify-self: start;
    font-family: var(--police);
    font-weight: 700;
    font-size: var(--t-p2);
    color: var(--blanc);
    background: var(--bleu);
    border: 0;
    border-radius: 999px;
    padding: 0.85rem 2rem;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.contact-formulaire button[type="submit"]:hover { background: #1648c4; transform: translateY(-2px); }

.alerte {
    background: var(--cloud);
    border-left: 4px solid var(--bleu);
    border-radius: 8px;
    padding: 1rem 1.2rem;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--phantom);
    color: var(--smoke);
    padding-top: clamp(3.5rem, 7vw, 5rem);
}

.footer-grille {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.site-footer h2 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--space);
}

.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.site-footer a { color: var(--smoke); text-decoration: none; }
.site-footer a:hover { color: var(--blanc); }
.footer-marque p { margin-top: 1.2rem; color: var(--space); }

.footer-bas {
    border-top: 1px solid var(--arsenic);
    padding-block: 1.4rem;
    font-size: 0.85rem;
    color: var(--space);
}
.footer-bas p { margin: 0; }

/* ---------- Animations d'apparition ---------- */
.revele {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 500ms ease, transform 500ms ease;
}
.revele.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .revele { opacity: 1; transform: none; transition: none; }
    .bouton:hover, .projet-carte:hover, .service-carte:hover { transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
    .agence-grille, .contact-grille, .footer-grille { grid-template-columns: 1fr; }
    .footer-grille { gap: 2rem; }
}

@media (max-width: 760px) {
    .nav-toggle { display: flex; }

    .nav-principale {
        position: absolute;
        inset: 100% 0 auto 0;
        background: var(--blanc);
        border-bottom: 1px solid var(--cloud);
        display: none;
        padding: 1.2rem 1.5rem 1.8rem;
    }
    .nav-principale.ouvert { display: block; }
    .nav-principale ul { flex-direction: column; align-items: flex-start; gap: 1.1rem; }

    .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
}