/*
Theme Name: InfraBase
Description: Eigenes Theme mit roter/blauer Kopfleiste, Menü und rotem Kontaktband
Version: 1.0
Text Domain: infrabase
*/
:root{--red:#f00000;--blue:#0a84ff;--ink:#2b2b2b;--line:#e4e7ec}
*{box-sizing:border-box}
body{margin:0;font-family:"Source Sans Pro","Source Sans 3","Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
svg.i{width:16px;height:16px;fill:currentColor;flex:none}

.topbar{background:var(--blue);color:#fff;height:44px;display:flex}
.topbar .red{background:var(--red);width:52%;clip-path:polygon(0 0,100% 0,calc(100% - 18px) 100%,0 100%);display:flex;align-items:center;justify-content:flex-end;padding-right:40px}
.topbar .red a{display:flex;align-items:center;gap:10px;padding:0 18px;font-size:1.05rem}
.topbar .red a+a{border-left:1px solid rgba(255,255,255,.35)}
.topbar .social{flex:1;display:flex;align-items:center;justify-content:center;gap:18px;padding-right:8%}

.site-header{border-bottom:1px solid var(--line);box-shadow:0 2px 6px rgba(0,0,0,.04);background:#fff;position:relative;z-index:20}
.site-header .inner{max-width:1180px;margin:0 auto;padding:0 24px;height:92px;display:flex;align-items:center;gap:120px}
.logo{display:flex;flex-direction:column;line-height:1.05}
.logo strong{font-size:1.8rem;font-weight:400}
.logo span{font-size:.72rem}
.custom-logo{max-height:80px;width:auto;display:block}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:28px}
.main-nav>ul>li{position:relative}
.main-nav a{display:block;font-size:1.05rem;padding:8px 0;border-bottom:2px solid transparent}
.main-nav a:hover{border-color:var(--red)}
.main-nav .menu-item-has-children>a::after{content:" ▼";font-size:.6rem;vertical-align:middle}
.main-nav .sub-menu{display:none;position:absolute;top:100%;left:-12px;min-width:220px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 16px rgba(0,0,0,.08);flex-direction:column;gap:0;padding:8px 0}
.main-nav li:hover>.sub-menu,.main-nav li:focus-within>.sub-menu{display:flex}
.main-nav .sub-menu a{padding:8px 16px;border:0}
.main-nav .sub-menu a:hover{background:#f4f5f7}

.site-main{max-width:1180px;margin:56px auto;padding:0 24px;min-height:320px}

.contactband{background:var(--red);color:#fff;padding:52px 24px 56px}
.contactband .inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.item{display:flex;align-items:center;gap:18px;padding:0 12px 22px;border-bottom:3px solid #fff}
.item svg{width:28px;height:28px;fill:#fff;flex:none}
.item b{display:block;font-size:1.05rem}
.item span{font-size:.95rem}
.footer-bottom{background:#fff;text-align:center;padding:16px;font-size:.9rem;color:#666}
.footer-bottom a{margin:0 10px}

@media(max-width:900px){
 .topbar{height:auto;flex-direction:column}
 .topbar .red{width:100%;clip-path:none;justify-content:center;flex-wrap:wrap;padding:8px 12px}
 .topbar .social{padding:8px}
 .site-header .inner{height:auto;padding:16px 24px;flex-wrap:wrap;gap:16px 40px}
 .main-nav ul{flex-wrap:wrap;gap:8px 22px}
 .contactband .inner{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.contactband .inner{grid-template-columns:1fr}}