/* ============================================================
   Optigroup 2k26 — Accueil, proposition « style divisions »
   Reprend les composants communs des global.css des divisions
   (top-barre, header-light, navbar, slide, services, divisions,
   footer, copyright) + quelques blocs propres au portail groupe.
   Chaque division garde sa couleur : .is-optinet, .is-optitech…
   ============================================================ */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Dosis:wght@400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap');

/* Icônes */
@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.13.1/font/bootstrap-icons.min.css");

/* GLOBAL STYLES — mêmes jetons que les divisions */
:root {
    --clr-dark:#393939;
    --clr-dark2:#616161;
    --clr-light:#f1f1f1;
    --clr-light2:#FBFBFB;
    --clr-optigroup: #0355C2;
    --clr-optinet:#F37B24;
    --clr-optishop:#F5BF1F;
    --clr-optitech:#00C2F3;
    --clr-optimedia:#930DF2;
    --clr-opticall: #82C345;
    --clr-optisave: #EE3D7D;
}

/* Couleur active par division : var(--div) */
.is-optinet  { --div: var(--clr-optinet);  --div-ink: #b5540c; }
.is-optishop { --div: var(--clr-optishop); --div-ink: #8a6500; }
.is-optitech { --div: var(--clr-optitech); --div-ink: #0279a0; }
.is-optisave { --div: var(--clr-optisave); --div-ink: #c0175a; }
.is-opticall { --div: var(--clr-opticall); --div-ink: #4a7d1c; }

*{
    font-family: "Dosis", sans-serif;
}
.bi::before { font-family: bootstrap-icons !important; }

body, html{
    margin: 0;
    padding: 0;
    background-color: var(--clr-dark);
}

html { scroll-behavior: smooth; }

a:hover{
    text-decoration: none;
}

h1, h2, h3, h4, h5, h6{
    font-family: 'Poppins', sans-serif;
}

p{
    color: var(--clr-dark);
    font-size: 1.15rem;
    line-height: 1.75rem;
}

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 1000;
    background: var(--clr-optigroup); color: #fff; padding: .5rem 1rem;
}
.skip-link:focus { left: 1rem; color: #fff; }

/* Buttons */
.btn-sm, .btn-md, .btn-lg{
    transition: background-color 0.35s ease, color 0.35s ease, border-color .35s ease;
    text-transform: none;
    line-height: 1.4;
}
.btn-sm{
    border: none;
    border-radius: 50px;
    font-weight:bold;
    padding: 0.5rem 1rem;
    font-size: 1rem;
}
.btn-md{
    border: none;
    border-radius: 50px;
    font-weight:bold;
    padding: 0.75rem 1.5rem;
    font-size: 1.2rem;
}

.btn-optigroup{
    background-color: var(--clr-optigroup);
    color: var(--clr-light);
    border:1px solid var(--clr-optigroup);
}
.btn-optigroup:hover{
    color: var(--clr-optigroup) !important;
    border:1px solid var(--clr-optigroup);
    background-color: var(--clr-light);
}
.btn-outline{
    background: transparent;
    color: var(--clr-optigroup);
    border: 1px solid var(--clr-optigroup);
}
.btn-outline:hover{ background: var(--clr-optigroup); color: #fff; }

/* Boutons de division : même recette que .btn-optitech, .btn-optisave… */
.btn-optinet, .btn-optishop, .btn-optitech, .btn-optisave, .btn-opticall{
    background-color: var(--div);
    color: #fff;
    border: 1px solid var(--div);
}
.btn-optinet  { --div: var(--clr-optinet); }
.btn-optishop { --div: var(--clr-optishop); color: var(--clr-dark); } /* jaune : texte foncé pour le contraste */
.btn-optitech { --div: var(--clr-optitech); }
.btn-optisave { --div: var(--clr-optisave); }
.btn-opticall { --div: var(--clr-opticall); }
.btn-optinet:hover, .btn-optishop:hover, .btn-optitech:hover, .btn-optisave:hover, .btn-opticall:hover{
    background-color: var(--clr-light);
    color: var(--div) !important;
    border: 1px solid var(--div);
}
.btn-optishop:hover { color: var(--clr-dark) !important; }

/* Top Barre */
.top-barre{
    background: var(--clr-optigroup) !important;
    border-bottom:1px solid white;
    padding:0.5rem 2rem;
}
.top-barre [uk-navbar]{ min-height: 0; }
.top-barre a {
    color: var(--clr-light);
}
.top-barre a:hover {
    color: rgba(255,255,255,.7);
}
.top-barre .uk-navbar-right a{
    margin-left: 1.25rem;
    font-size: .95rem;
    color: rgba(255,255,255,.85);
}
.top-barre .lang-switcher a {
    color: var(--clr-light);
    font-weight: 600;
    font-size: .95rem;
    padding: 0 .35rem;
    opacity: .7;
}
.top-barre .lang-switcher a.active,
.top-barre .lang-switcher a:hover { opacity: 1; }
.top-barre .lang-switcher span { color: rgba(255,255,255,.4); }

/* Header Light */
.header-light {
    border-bottom:1px solid white;
    background:var(--clr-light);
    padding:0 2rem;
}
.header-light a.uk-logo img {
    width: 250px;
    height: auto;
    margin-top:5px;
    margin-bottom:5px;
}
.header-light ul.uk-navbar-nav{
    gap: 5px;
}
.header-light ul.uk-navbar-nav.nav-logos li a{
    text-align: center;
    font-weight:600;
    padding: 0.85rem 0.85rem;
    display:block;
    position: relative;
    text-transform: none;
}
.header-light ul.uk-navbar-nav.nav-logos li a .uk-navbar-subtitle{
    color: var(--clr-dark2);
    font-size: 1rem;
}
.header-light ul.uk-navbar-nav.nav-logos li a:hover{
    background: var(--clr-light2);
    color: var(--clr-dark) !important;
}
/* Filet couleur division au survol */
.header-light ul.uk-navbar-nav.nav-logos li a::after{
    content: "";
    position: absolute; left: 20%; right: 20%; bottom: 0;
    height: 3px; border-radius: 3px 3px 0 0;
    background: var(--div);
    transform: scaleX(0);
    transition: transform .25s ease;
}
.header-light ul.uk-navbar-nav.nav-logos li a:hover::after,
.header-light ul.uk-navbar-nav.nav-logos li a:focus-visible::after{ transform: scaleX(1); }
.header-light ul.uk-navbar-nav.nav-logos li a img {
    width: auto;
    height: 40px;
    margin-bottom:5px;
}

/* Filet multicolore sous le header : le groupe = la somme des divisions */
.header-light{ position: relative; }
.header-light::after{
    content: "";
    position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
    background: linear-gradient(90deg,
        var(--clr-optinet) 0 20%, var(--clr-optishop) 20% 40%, var(--clr-optitech) 40% 60%,
        var(--clr-optisave) 60% 80%, var(--clr-opticall) 80% 100%);
}

/* Slide */
.slide{ background: var(--clr-light); }
.slide .overlay-light {
    background: rgba(250, 250, 250, 0.72);
}
.slide-content{
    width: min(860px, 88%);
}
.slide-tag{
    display: inline-flex; align-items: center; gap: .4rem;
    background: var(--div); color: #fff;
    font-weight: 700; font-size: .95rem; letter-spacing: .03em; text-transform: uppercase;
    padding: .3rem .9rem; border-radius: 50px;
}
.is-optishop .slide-tag{ color: var(--clr-dark); }
.slide .slide-title {
    font-family: 'Poppins', sans-serif;
    color: var(--clr-dark);
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: bold;
    margin: .75rem 0 .25rem;
    text-transform: uppercase;
    text-shadow: 0 0 2px rgba(255,255,255,.75);
}
.slide .slide-sub {
    font-family: 'Poppins', sans-serif;
    color: var(--div-ink);
    font-size: 1.75rem;
    line-height: 1.3;
    font-weight: 600;
    margin: 0 0 .75rem;
}
.slide .slide-txt{
    max-width: 640px;
    margin: 0 auto 1.25rem;
    font-weight: 500;
}
.slide-nav{ display: flex; gap: .5rem; list-style: none; margin: 0; padding: 0; }
.slide-nav > li{ padding-left: 0; }
.slide-nav > * > a{
    display: block;
    width: 34px; height: 6px; border-radius: 6px;
    border: none; background: rgba(57,57,57,.25);
    transition: background .25s, width .25s;
}
.slide-nav > .uk-active > a{ background: var(--div); width: 54px; }

/* Apropos — même composition que l'à-propos Optinet */
.apropos{ background: var(--clr-light); padding: 0; }
.apropos .bloc-left{ border-radius: 0; box-shadow: none; overflow: hidden; }
.apropos .bloc-right{
    background: var(--clr-light2);
    border-right: 5px solid var(--clr-optigroup);
    padding: 3rem 3.5rem;
    position: relative;
}
.apropos h1{
    color: var(--clr-optigroup);
    font-size: 2.4rem;
    line-height: 1.2;
    font-weight: 700;
    margin: 0 0 1.25rem;
}
.apropos .flex-btn{ display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.swatches{
    list-style: none; margin: 0; padding: 0;
    position: absolute; top: 1.5rem; right: 1.5rem;
    display: flex; gap: 6px;
}
.swatches li{ width: 14px; height: 14px; border-radius: 50%; background: var(--div); }

/* Services / Divisions */
.services{
    padding: 4rem 2rem;
    background: var(--clr-light);
}
.services h2, .contact h2{
    color: var(--clr-dark2);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: .75rem;
}
.services-sub{
    color: var(--clr-dark2);
    margin: 0 auto 2.5rem;
    max-width: 720px;
}

.div-card{
    display: flex; flex-direction: column;
    background: #fff;
    border-radius: 16px;
    border-top: 4px solid var(--div);
    padding: 1.75rem;
    box-shadow: 2px 4px 12px rgba(0,0,0,.07);
    transition: transform .3s, box-shadow .3s;
    height: 100%;
    box-sizing: border-box;
}
.div-card:hover{
    transform: translateY(-4px);
    box-shadow: 4px 12px 24px rgba(0,0,0,.12);
}
.div-card-head{
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 1rem;
}
.div-card-head img{
    height: 40px; width: auto; max-width: none;
    box-sizing: content-box;
    padding: 8px 10px; border-radius: 14px;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--div) 12%, white);
}
.div-card h3{
    color: var(--clr-optigroup);
    font-size: 1.4rem; font-weight: 700;
    margin: 0; line-height: 1.2;
}
.div-card-label{
    margin: 0;
    color: var(--div-ink);
    font-weight: 700; font-size: .95rem;
    text-transform: uppercase; letter-spacing: .04em;
}
.div-card-desc{
    color: var(--clr-dark2);
    font-size: 1rem; line-height: 1.6;
    margin: 0 0 1rem;
}
.div-card-links{
    list-style: none; padding: 0;
    margin: 0 0 1.5rem;
}
.div-card-links li{ padding: .25rem 0; border-bottom: 1px dashed #e6e6e6; }
.div-card-links li:last-child{ border-bottom: 0; }
.div-card-links a{
    color: var(--clr-dark);
    font-weight: 600; font-size: 1rem;
}
.div-card-links a::before{
    content: '✓ '; color: var(--div); font-weight: 700;
}
.div-card-links a:hover{ color: var(--div-ink); }
.badge{
    display: inline-block;
    background: var(--div); color: #fff;
    font-size: .7rem; font-weight: 700;
    padding: .05rem .45rem; border-radius: 20px;
    vertical-align: middle;
}
.div-card-cta{ margin-top: auto; align-self: flex-start; }

/* Orientation — bandeau bleu groupe, comme les CTA Optisave/Opticall */
.orient{
    background: linear-gradient(135deg, var(--clr-optigroup) 0%, #0288c1 100%);
    padding: 3.5rem 2rem;
}
.orient-eyebrow{
    color: #fff; opacity: .8;
    text-transform: uppercase; letter-spacing: .08em;
    font-weight: 700; font-size: .95rem; margin: 0 0 .25rem;
}
.orient h2{ color: #fff; font-size: 2rem; font-weight: 700; margin: 0 0 .5rem; }
.orient-sub{ color: rgba(255,255,255,.88); margin: 0; }
.orient-btns{ display: flex; flex-direction: column; gap: .75rem; }
.btn-white{ background: #fff; color: var(--clr-optigroup); border: 1px solid #fff; }
.btn-white:hover{ background: transparent; color: #fff; }
.btn-ghost{ background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.55); }
.btn-ghost:hover{ background: #fff; color: var(--clr-optigroup); }

/* Contact */
.contact{
    background: var(--clr-light2);
    padding: 4rem 2rem;
}
.info-card{
    background: #fff;
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 2px 4px 12px rgba(0,0,0,.07);
    text-align: center;
}
.info-icon{
    width: 56px; height: 56px; margin: 0 auto 1rem;
    border-radius: 14px;
    background: rgba(3,85,194,.1);
    display: flex; align-items: center; justify-content: center;
}
.info-icon i{ font-size: 1.6rem; color: var(--clr-optigroup); }
.info-card h3{ color: var(--clr-optigroup); font-size: 1.25rem; font-weight: 700; margin: 0 0 .5rem; }
.info-card p{ margin: 0; font-size: 1.05rem; }
.info-card a{ color: var(--clr-optigroup); font-weight: 600; }

/* Divisions banner */
.divisions{
    background: var(--clr-light);
    text-align: center;
    padding:3rem 2rem;
    border-top: 1px solid #e4e4e4;
}
.divisions .uk-card{
    transition: transform 0.3s ease;
    padding:10px;
}
.divisions .uk-card:hover{
    transform: translateY(-5px);
}
.divisions a{
    color:var(--clr-dark2);
    font-size:1.25rem;
    font-weight:600;
    text-transform: uppercase;
}
.divisions a:hover{
    color:var(--clr-dark);
}
.divisions a img{
    width:auto;
    height: 42px;
    margin-bottom:15px;
}

/* Footer */
.footer{
    padding:3rem 2rem;
    background: var(--clr-light2);
    border-top: 1px solid #e4e4e4;
}
.footer .uk-card{
    background: transparent;
}
.footer .sitemap ul{
    column-gap: 15px;
}
.footer .uk-nav-secondary > li > a{
    padding: 5px 3px;
}
.footer h3{
    color: var(--clr-optigroup);
    font-size:1.6rem;
    font-weight:normal;
}
.footer a{
    color: var(--clr-optigroup);
}
.footer a:hover{
    color: var(--clr-dark2);
}
.footer i{
    color: var(--clr-optigroup);
}
.footer .sitemap li[class^="is-"] i{ color: var(--div); }
.footer address{ font-style: normal; margin-bottom: 1rem; }
.footer-ids{ font-size: .9rem; color: var(--clr-dark2); }

/* Copyright */
.copyright{
    padding:10px;
    background: var(--clr-optigroup);
    border-top:1px solid white;
}
.copyright p{
    color:var(--clr-light);
    margin: 0;
}
.copyright a{
    font-weight:bold;
    color:white;
}
.copyright a:hover{
    color:#d4d4d4;
}

/* OFFCANVAS Style */
.offcanvas-style .uk-offcanvas-bar{
    background: var(--clr-dark);
    border-right:1px solid var(--clr-light);
}
.offcanvas-style .uk-offcanvas-bar .uk-nav a{
    color: var(--clr-light);
    font-size: 1.2rem;
    font-weight:600;
}
.offcanvas-style .uk-offcanvas-bar .uk-nav a i{
    color: var(--clr-optitech);
    font-size: 1.35rem;
    margin-right: .25rem;
}
.offcanvas-style .uk-offcanvas-bar .uk-nav li[class^="is-"] a i{ color: var(--div); }
.offcanvas-style .uk-nav small{ color: rgba(255,255,255,.55); font-weight: 500; margin-left: .25rem; }
.oc-lang{ display: flex; align-items: center; gap: 4px; }
.oc-lang a{ color: rgba(255,255,255,.5); font-weight: 600; font-size: .9rem; padding: 0 .35rem; }
.oc-lang a.active{ color: #fff; }
.oc-lang span{ color: rgba(255,255,255,.3); }

/* Scroll Up */
#backToTop {
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    background-color: var(--clr-optigroup);
    color: white;
    padding: 15px;
    border-radius: 50%;
    border:1px solid var(--clr-light);
    line-height: 1;
    opacity: 0; visibility: hidden;
    transition: background-color 0.3s, opacity .3s, visibility .3s;
}
#backToTop.is-visible{ opacity: 1; visibility: visible; }
#backToTop:hover {
    background-color: var(--clr-dark2);
}
#backToTop i{
    width:22px;
    display: block;
    text-align: center;
    color: #fff;
}

/* Focus visible partout (accessibilité clavier) */
a:focus-visible, button:focus-visible{
    outline: 3px solid var(--clr-optitech);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
    *, *::before, *::after{ transition: none !important; animation: none !important; }
    html{ scroll-behavior: auto; }
}

/* ---- Responsive ---- */
@media screen and (max-width: 1199px){
    .apropos .bloc-right{ padding: 2.5rem 2rem; }
}

@media screen and (max-width: 959px){
    .top-barre { padding: .4rem 1rem; }
    .slide .slide-title { font-size: 2.2rem; }
    .slide .slide-sub { font-size: 1.3rem; }
    .services, .contact, .footer, .divisions{ padding: 3rem 1rem; }
    .services h2, .contact h2{ font-size: 2rem; }
    .apropos .bloc-right{ border-right: 0; border-top: 5px solid var(--clr-optigroup); }
    .apropos h1{ font-size: 1.9rem; }
    .orient{ padding: 3rem 1rem; }
    .orient-btns{ flex-direction: row; flex-wrap: wrap; }
}

@media screen and (max-width: 639px) {
    .top-barre { padding: .35rem .75rem; }
    .top-barre .uk-navbar-right a{ margin-left: .9rem; }
    .header-light { padding: 0 .75rem; }
    .header-light a.uk-logo img { width: 180px; }
    .slide .slide-title { font-size: 1.75rem; }
    .slide .slide-sub { font-size: 1.1rem; }
    .apropos .bloc-right{ padding: 2rem 1.25rem; }
    .apropos h1{ font-size: 1.6rem; }
    .swatches{ display: none; }
    .services h2, .contact h2{ font-size: 1.6rem; }
    .orient h2{ font-size: 1.5rem; }
    .btn-md{ font-size: 1.05rem; padding: .65rem 1.2rem; }
    #backToTop{ right: 16px; bottom: 16px; }
}