/* NetzBauTools 5.0 – eigenständig pflegbare Startseite (Alpha 0.2.1) */
:root{--home-navy:#072a49;--home-royal:#0b79be}
.site-header{padding:0 20px;gap:17px;min-height:79px;background:linear-gradient(105deg,#092c4a,#0b3352 65%,#103d58)}
.brand{flex:0 0 auto;min-width:256px;max-width:295px;gap:8px}
.brand-image{width:222px;height:57px;object-fit:contain;object-position:left center;display:block}
.brand-version{font-size:14px!important;line-height:1.25;align-self:center;background:#145c91!important;color:#fff!important;margin:0 0 0 -3px!important;border-radius:5px!important;padding:5px 7px!important}
#main-nav{flex:1 1 auto;gap:3px;min-width:0}
#main-nav a{font-size:12px;padding:12px 12px;gap:6px;border-bottom-width:2px}
.nav-ico{font-size:16px;line-height:1.2}
.version{font-size:10px;opacity:.8}
main{max-width:1800px;padding:0 20px 35px}
.home-hero{min-height:320px;position:relative;display:flex;align-items:center;background:linear-gradient(90deg,#ecf5fc,#c4def0);border-radius:0 0 11px 11px;overflow:hidden;isolation:isolate;box-shadow:0 5px 16px #13436512}
.home-hero-art{position:absolute;inset:0 0 0 35%;z-index:-2;background:#bfd5e6 url('../images/leitungsbau-banner.webp') center center/cover no-repeat}
.home-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f0f7fd 0%,#eff7fcef 31%,#edf5fbdb 43%,#f3f8fb9f 50%,#f3f8fb00 68%)}
.home-hero-body{width:min(740px,63%);padding:36px 24px 35px 32px}
.home-eyebrow{display:inline-flex;align-items:center;gap:8px;color:#215d84;font-weight:850;font-size:10px;letter-spacing:1.15px}
.home-signal{width:7px;height:7px;border-radius:50%;background:#10a4ca;box-shadow:0 0 0 4px #10a4ca25}
.home-hero h1{color:#0c2b4a;font-weight:850;font-size:clamp(30px,3.3vw,53px);line-height:1.09;letter-spacing:-1.4px;margin:16px 0 10px}
.home-hero h1 em{font-style:normal;color:#096fae}
.home-hero-lead{font-size:21px;font-weight:800;color:#0b70b4;margin:0 0 8px}
.home-hero-copy{color:#385e79;font-size:14px;line-height:1.65;margin:0;max-width:650px}
.home-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-button{padding:12px 19px!important;text-decoration:none!important;border-radius:8px!important;display:inline-flex;align-items:center;box-shadow:0 4px 9px #0d48741a}
.hero-outline{background:#fff!important;color:#154d77!important}
.home-hero-caption{position:absolute;bottom:13px;right:17px;background:#0a324ebd;border:1px solid #ffffff4d;color:white;padding:8px 10px;border-radius:6px;font-size:10px;letter-spacing:.15px}
.home-tool-section{margin-top:22px}
.home-section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:0 0 13px}
.home-section-title h2{margin:3px 0 0;color:#102f4d;font-size:22px;letter-spacing:-.3px}
.home-kicker{font-weight:850;font-size:10px;color:#1974aa;letter-spacing:1.5px;margin:0}
.home-tag{background:#e3f2fc;color:#2b6f9c;border-radius:30px;font-weight:800;font-size:11px;padding:7px 10px;white-space:nowrap}
.home-tool-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.home-tool-card{display:flex;flex-direction:column;text-decoration:none;color:#173d58;min-width:0;overflow:hidden;background:#fff;border:1px solid #dbe7f0;border-radius:10px;box-shadow:0 5px 13px #1a486213;transition:transform .18s,box-shadow .18s,border-color .18s}
.home-tool-card:hover{transform:translateY(-4px);box-shadow:0 12px 25px #153c5426;border-color:#86bfe2}
.home-tool-card:focus-visible{outline:3px solid #0783c8;outline-offset:3px}
.home-tool-card>img{display:block;width:100%;height:155px;object-fit:cover;background:#dce8f1}
.home-tool-card-body{padding:13px 14px 16px;position:relative;min-height:117px;flex:1}
.home-card-title{display:flex;align-items:center;gap:8px}
.home-card-icon{display:grid;place-items:center;width:27px;height:27px;font-size:23px;line-height:1;color:#076cad;font-weight:800}
.home-card-title h3{font-size:15px;font-weight:850;margin:0;line-height:1.25;color:#0e3454}
.home-tool-card-body p{font-size:12px;color:#678298;line-height:1.5;margin:10px 25px 0 35px;max-width:280px}
.home-card-arrow{position:absolute;right:13px;bottom:15px;width:29px;height:29px;background:#e4f0f9;border-radius:50%;display:grid;place-items:center;color:#0b689f;font-size:20px;font-weight:700}
.home-bottom-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(330px,.85fr);gap:15px;margin-top:16px;align-items:start}
.home-panel{padding:18px;min-width:0}
.home-panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}
.home-panel-header h2{font-size:17px;margin:0;color:#173957}
.home-text-link{text-decoration:none;font-weight:750;font-size:11px;color:#1576b7}
.home-panel-sub{margin:-3px 0 14px;font-size:12px;color:#7790a1}
.home-quick-panel .quick-calc-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.home-quick-panel .quick-calc{background:linear-gradient(#fff,#fbfdff);padding:12px;min-height:244px;border-color:#e1eaf2}
.home-quick-panel .quick-calc h3{font-size:12px;line-height:1.4;color:#113954;min-height:32px}
.home-quick-panel .quick-calc .quick-fields{max-height:230px;overflow-y:auto}
.home-quick-panel .quick-output strong{font-size:16px}
.home-project-panel{min-height:300px}
.home-project-input{margin:17px 0 12px}
.home-project-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:13px 0 16px}
.home-project-metrics>div{background:#f0f7fc;padding:11px 5px;border-radius:8px;text-align:center}
.home-project-metrics b{display:block;color:#0a679f;font-size:23px}
.home-project-metrics small{font-size:10px;color:#648399}
.home-project-actions{display:flex;gap:7px;margin:8px 0;flex-wrap:wrap}
.home-project-actions>.btn{flex:1;white-space:nowrap;font-size:11px}
.home-save-advice{line-height:1.5;margin:11px 0 0}
.home-values{margin:20px 0 0;padding:16px 10px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;border-top:1px solid #dbe7ed}
.home-values>div{display:grid;gap:4px;justify-content:center}
.home-values strong{color:#0b4166;font-size:12px}.home-values span{font-size:11px;color:#748e9f}
@media(max-width:1530px){.site-header{gap:9px;padding:0 12px}.brand{min-width:230px}.brand-image{width:198px}#main-nav a{padding:12px 9px;font-size:11px}.version{display:none}.home-tool-card>img{height:139px}.home-tool-card-body p{margin-left:0}.home-card-title h3{font-size:13px}}
@media(max-width:1200px){.home-tool-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.home-tool-card>img{height:170px}.home-bottom-grid{grid-template-columns:1fr}.home-project-panel{min-height:0}.home-hero-body{width:70%}.home-hero-art{left:26%}.home-hero:before{background:linear-gradient(90deg,#f3f8fc 0%,#f3f8fced 42%,#f3f8fc20 85%)}.home-quick-panel .quick-calc-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:850px){.site-header{flex-wrap:wrap;padding:7px 12px;gap:5px}.brand{min-width:unset}.brand-image{height:43px;width:182px}#main-nav{order:2;flex-basis:100%;overflow:auto}#main-nav a{padding:11px 10px}.home-hero{min-height:340px}.home-hero-body{width:84%;padding:30px 18px}.home-hero h1{font-size:37px}.home-hero-caption{display:none}.home-hero-art{left:26%}.home-tool-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.home-values{grid-template-columns:repeat(2,1fr)}.home-quick-panel .quick-calc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:540px){main{padding:0 11px 28px}.notice{font-size:11px;padding:7px 11px}.home-hero{min-height:415px}.home-hero-body{width:100%;padding:31px 18px}.home-hero h1{font-size:32px;line-height:1.17}.home-hero-art{left:0;opacity:.32}.home-hero:before{background:linear-gradient(90deg,#f3f8fcf2,#eff6f9d6)}.home-hero-copy{font-size:12px}.home-hero-lead{font-size:18px}.home-tool-cards{grid-template-columns:1fr;gap:12px}.home-tool-card>img{height:160px}.home-tool-card-body{min-height:105px}.home-section-title{align-items:start}.home-section-title h2{font-size:18px}.home-tag{white-space:normal;font-size:10px}.home-quick-panel .quick-calc-grid{grid-template-columns:1fr}.home-values{grid-template-columns:1fr 1fr}.home-values>div{justify-content:start}.home-panel{padding:12px}}