:root{
  --navy:#003d63;--navy-deep:#002c49;--blue:#006f98;--cyan:#1ba9c4;--magenta:#d80b5b;
  --ink:#182834;--muted:#627481;--paper:#fff;--surface:#f2f5f7;--line:#d8e2e8;
  --shadow:0 18px 55px rgba(0,44,73,.11);--radius:16px;--content:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button,a{transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease}
button{cursor:pointer}
a{color:inherit}
.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:#fff;padding:12px 16px;border-radius:8px;box-shadow:var(--shadow)}
.skip-link:focus{top:16px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.brand-rule{height:5px;background:url('/assets/brand-rule.png') center/100% 100% no-repeat}
.site-header{min-height:88px;background:#fff;display:flex;align-items:center;gap:28px;padding:14px max(24px,calc((100vw - var(--content))/2));border-bottom:1px solid var(--line);position:relative;z-index:10}
.brand{display:flex;align-items:center;text-decoration:none;line-height:1;min-width:max-content}
.brand-logo{display:block;width:230px;height:auto;max-height:58px}
.portal-name{font-weight:800;color:var(--navy);border-left:1px solid var(--line);padding-left:26px}
.user-menu{margin-left:auto;display:flex;align-items:center;gap:18px}.user-menu>span{display:flex;flex-direction:column;text-align:right;color:var(--navy)}.user-menu small{color:var(--muted)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:10px 15px;text-decoration:none;font-weight:800;line-height:1.2}
.button-primary{background:var(--magenta);color:#fff}.button-primary:hover{background:#b9084d;transform:translateY(-1px)}
.button-secondary{background:#fff;color:var(--navy);border-color:var(--line)}.button-secondary:hover{border-color:var(--navy)}
.button-wide{width:100%;padding:14px 18px}
.eyebrow{text-transform:uppercase;letter-spacing:1.3px;font-weight:800;font-size:12px;margin:0 0 10px}
.muted{color:var(--muted)}

.hero{min-height:330px;background:linear-gradient(115deg,var(--navy-deep),var(--navy) 64%,#07688d);color:#fff;display:grid;grid-template-columns:minmax(0,var(--content));justify-content:center;position:relative;overflow:hidden}
.hero-content{width:100%;padding:52px min(44vw,570px) 58px 28px;position:relative;z-index:2}.hero .eyebrow{color:#86ddec}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.02;letter-spacing:-2px;margin:0 0 14px}.hero p:not(.eyebrow){font-size:17px;color:#d7e9f1;max-width:660px;margin:0}
.hero-campaign{position:absolute;z-index:2;right:max(28px,calc((100vw - var(--content))/2 + 28px));top:50%;width:min(36vw,500px);transform:translateY(-50%)}.hero-campaign img{display:block;width:100%;height:auto;border-radius:10px;box-shadow:0 18px 48px rgba(0,20,35,.28)}
.search-box{margin-top:30px;display:flex;align-items:center;max-width:680px;background:#fff;border-radius:11px;box-shadow:0 14px 40px rgba(0,22,39,.2);overflow:hidden}.search-box:focus-within{outline:3px solid #6dd3e5;outline-offset:2px}.search-box input{width:100%;border:0;outline:0;padding:17px 19px;font-size:17px;color:var(--ink)}.search-box>span:last-child{color:var(--navy);font-size:28px;padding:0 19px}
.portal-shell{max-width:var(--content);margin:0 auto;padding:30px 28px 76px}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-58px;position:relative;z-index:3;margin-bottom:24px}.summary-grid article{background:#fff;border:1px solid rgba(216,226,232,.8);border-radius:13px;padding:20px 22px;box-shadow:0 12px 34px rgba(0,44,73,.09);display:flex;align-items:center;gap:14px}.summary-grid strong{display:block;color:var(--navy);font-size:21px}.summary-grid small{display:block;color:var(--muted)}.summary-icon{width:44px;height:44px;border-radius:11px;background:#e7f6f8;color:var(--blue);display:grid;place-items:center;font-weight:900}
.view-switcher{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}.view-button{border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--navy);padding:11px 16px;font-weight:800}.view-button:hover{border-color:var(--navy)}.view-button.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.notice{border-radius:10px;padding:15px 17px;margin:18px 0;display:flex;gap:6px;flex-direction:column}.notice-error{background:#fff0f3;border-left:4px solid var(--magenta);color:#7e1638}
.result-line{display:flex;align-items:center;justify-content:space-between;margin:0 2px 13px}.result-line strong{color:var(--navy)}.result-line span{color:var(--muted);font-size:13px}
.document-groups{display:grid;gap:13px}.document-groups[hidden]{display:none}.document-group{background:#fff;border:1px solid #e3ebef;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(0,44,73,.06)}
.group-toggle{width:100%;display:flex;align-items:center;gap:15px;border:0;background:#fff;text-align:left;padding:19px 21px;color:var(--navy)}.group-toggle:hover{background:#f8fbfc}.group-toggle>span:nth-child(2){display:flex;flex-direction:column;flex:1}.group-toggle strong{font-size:17px}.group-toggle small{color:var(--muted);font-weight:400;margin-top:2px}.category-letter{width:43px;height:43px;background:var(--navy);color:#fff;border-radius:10px;display:grid;place-items:center;font-size:19px;font-weight:900}.chevron{font-size:24px;transition:transform .2s}.document-group.is-collapsed .chevron{transform:rotate(-90deg)}.document-group.is-collapsed .group-content{display:none}
.group-content{border-top:1px solid var(--line);padding:0}.subcategory-group{border-bottom:1px solid #e3ebef}.subcategory-group:last-child{border-bottom:0}.subcategory-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;border:0;background:#f7fafb;text-align:left;padding:15px 21px 15px 78px;color:var(--navy)}.subcategory-toggle:hover{background:#eef5f7}.subcategory-toggle>span:first-child{display:flex;flex-direction:column}.subcategory-toggle strong{font-size:15px}.subcategory-toggle small{color:var(--muted);font-weight:400;margin-top:2px}.subcategory-group.is-collapsed .subcategory-toggle .chevron{transform:rotate(-90deg)}.subcategory-group.is-collapsed .subcategory-content{display:none}.subcategory-content{padding:0 20px 0 76px;background:#fff}.sorted-documents{display:grid;gap:0;background:#fff;border:1px solid #e3ebef;border-radius:var(--radius);padding:0 20px;overflow:hidden;box-shadow:0 8px 26px rgba(0,44,73,.06)}.sorted-documents[hidden]{display:none}.keyword-groups{display:grid;gap:13px}.keyword-groups[hidden]{display:none}.keyword-group{background:#fff;border:1px solid #e3ebef;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(0,44,73,.06)}.keyword-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;border:0;background:#fff;text-align:left;padding:19px 21px;color:var(--navy)}.keyword-toggle:hover{background:#f8fbfc}.keyword-toggle>span:first-child{display:flex;flex-direction:column}.keyword-toggle strong{font-size:17px}.keyword-toggle small{color:var(--muted);font-weight:400;margin-top:2px}.keyword-group.is-collapsed .keyword-toggle .chevron{transform:rotate(-90deg)}.keyword-group.is-collapsed .keyword-content{display:none}.keyword-content{padding:0 20px;border-top:1px solid var(--line)}.document-card{display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:start;gap:15px;padding:18px 2px;border-bottom:1px solid #e8eef2}.document-card--text-only{grid-template-columns:46px minmax(0,1fr)}.document-card:last-child{border-bottom:0}.document-card[hidden],.document-group[hidden],.subcategory-group[hidden],.keyword-group[hidden]{display:none}.file-icon{width:43px;height:49px;border:1px solid #c9d8df;background:#f3f7f9;color:var(--navy);border-radius:7px;display:grid;place-items:center;text-align:center;font-size:10px;font-weight:900;margin-top:2px}.file-icon-pdf{border-color:#f4b7cc;background:#fff0f4;color:var(--magenta)}.file-icon-doc{border-color:#abcfe2;background:#eef8fc;color:#075e8a}.file-icon-xls{border-color:#a8d5bc;background:#eff9f3;color:#17673a}.file-icon-ppt{border-color:#efc09c;background:#fff5ed;color:#a84a0e}.file-icon-zip{border-color:#c9c4d9;background:#f5f3fa;color:#55447a}.file-icon-image{border-color:#b8d4d8;background:#edf8f9;color:#176a73}.file-icon-text{border-color:#a9dce5;background:#eefbfc;color:#006f98}.document-info h2{font-size:16px;line-height:1.35;margin:0 0 7px;color:var(--ink)}.document-meta{display:flex;align-items:center;gap:11px;flex-wrap:wrap;color:var(--muted);font-size:12px}.tag{background:#e7f5f8;color:#00688d;border-radius:100px;padding:3px 8px;font-weight:800}.document-text{margin-top:12px;border:1px solid var(--line);border-radius:8px;background:#f8fafb;overflow:hidden}.document-text summary{cursor:pointer;color:var(--blue);font-size:13px;font-weight:800;padding:8px 11px}.document-text summary:hover{text-decoration:underline}.document-text-content{border-top:1px solid var(--line);padding:12px;color:#334a58;font-size:14px;line-height:1.55;overflow-wrap:anywhere;overflow-x:auto}.document-text-content>:first-child{margin-top:0}.document-text-content>:last-child{margin-bottom:0}.document-text-content a{color:var(--blue);text-decoration:underline}.document-text-content table{border-collapse:collapse;max-width:100%}.document-text-content th,.document-text-content td{border:1px solid #cbd8de;padding:6px 8px;vertical-align:top}.document-text-content blockquote{margin:12px 0;padding:4px 14px;border-left:4px solid var(--cyan);color:#4b606c}.document-text-content pre{white-space:pre-wrap}.document-actions{display:flex;flex-direction:column;gap:7px;align-items:flex-end;max-width:300px}.button-download{border-color:var(--navy);color:var(--navy);background:#fff;min-width:190px;max-width:100%;overflow-wrap:anywhere;text-align:left;flex-direction:column;align-items:flex-start;gap:2px}.button-download:hover{background:var(--navy);color:#fff}.button-download small{display:block;max-width:100%;font-weight:400;opacity:.88;text-transform:none;letter-spacing:0;line-height:1.25}.button-download .attachment-name{font-size:11px}.button-download .attachment-size{font-size:10px;opacity:.7}
.document-text{border:0;background:transparent;overflow:visible}.document-text-open{border:1px solid var(--navy);border-radius:8px;background:var(--navy);padding:8px 13px;color:#fff;font-size:13px;font-weight:800;cursor:pointer}.document-text-open:hover{border-color:var(--blue);background:var(--blue)}
.richtext-modal{width:min(94vw,1440px);height:min(92vh,1050px);max-width:none;max-height:none;margin:auto;padding:0;border:0;border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 28px 90px rgba(0,24,40,.36);overflow:hidden}.richtext-modal::backdrop{background:rgba(0,31,51,.74);backdrop-filter:blur(3px)}.richtext-modal-panel{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr)}.richtext-modal-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 22px;border-bottom:1px solid var(--line);background:#fff}.richtext-modal-header h2{margin:0;color:var(--navy);font-size:clamp(18px,2vw,25px);line-height:1.25}.richtext-modal-close{flex:none;border:1px solid var(--navy);border-radius:8px;background:var(--navy);color:#fff;padding:9px 14px;font-weight:800;cursor:pointer}.richtext-modal-close:hover{background:var(--blue)}.richtext-modal-content{padding:clamp(20px,3vw,42px);overflow:auto;font-size:16px;line-height:1.65}.richtext-modal-content>:first-child{margin-top:0}.richtext-modal-content>:last-child{margin-bottom:0}.richtext-modal-content a{color:var(--blue);text-decoration:underline}.richtext-modal-content table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto}.richtext-modal-content th,.richtext-modal-content td{border:1px solid #cbd8de;padding:8px 10px;vertical-align:top}.richtext-modal-content blockquote{margin:16px 0;padding:6px 16px;border-left:4px solid var(--cyan);color:#4b606c}.richtext-modal-content pre{white-space:pre-wrap}.richtext-modal-status{color:var(--muted)}.richtext-modal-notice{padding:11px 13px;border-left:4px solid var(--magenta);background:#fff0f4;color:#8f0b30;font-weight:700}.empty-state{background:#fff;border:1px dashed #bfd0d9;border-radius:var(--radius);padding:54px 24px;text-align:center;color:var(--muted)}.empty-state strong{display:block;color:var(--navy);font-size:20px;margin-bottom:5px}
.site-footer{min-height:96px;background:var(--navy-deep);color:#bcd0da;padding:24px max(24px,calc((100vw - var(--content))/2));display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-brand{display:flex;flex-direction:column;text-decoration:none}.footer-brand:hover strong{text-decoration:underline}.site-footer strong{color:#fff}.site-footer span{font-size:13px}

.auth-layout{min-height:calc(100vh - 189px);background:linear-gradient(115deg,var(--navy-deep),var(--navy) 66%,#07688d);display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,470px);align-items:center;gap:70px;padding:70px max(28px,calc((100vw - 1120px)/2));position:relative;overflow:hidden}.auth-layout:after{content:"";position:absolute;width:520px;height:520px;border:70px solid rgba(255,255,255,.045);border-radius:50%;left:-260px;bottom:-350px}.auth-intro{color:#fff;position:relative;z-index:1}.auth-intro .eyebrow{color:#86ddec}.auth-intro h1{font-size:clamp(42px,5.5vw,68px);line-height:1.02;letter-spacing:-2.2px;margin:0 0 20px}.auth-intro p:not(.eyebrow){font-size:18px;color:#d7e9f1;max-width:620px}.auth-campaign{display:block;width:min(100%,520px);height:auto;margin-top:28px;border-radius:10px;box-shadow:0 18px 48px rgba(0,20,35,.3)}.auth-card{background:#fff;border-radius:18px;padding:36px;box-shadow:0 28px 70px rgba(0,19,34,.25);position:relative;z-index:2}.auth-card .eyebrow{color:var(--magenta)}.auth-card h2{font-size:32px;color:var(--navy);margin:0 0 5px}.auth-card>.muted{margin:0 0 24px}.form-stack{display:grid;gap:17px}.form-stack label{display:grid;gap:6px}.form-stack label span{font-size:13px;font-weight:800;color:#425866}.form-stack input{width:100%;border:1px solid #c9d5dc;border-radius:9px;padding:13px 14px;outline:none}.form-stack input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,169,196,.2)}

/* Kantige METALL-NRW-Gestaltung nach den bereitgestellten Referenzansichten */
:root{--surface:#fff;--line:#d3d3d3;--shadow:none;--radius:0}
h1,h2,h3,.portal-name,.button,.view-button,.group-toggle strong,.subcategory-toggle strong,.keyword-toggle strong,.document-info h2,.document-text-open,.richtext-modal-close{font-family:"Arial Narrow",Arial,Helvetica,sans-serif}
.skip-link,.button,.hero-campaign img,.search-box,.summary-grid article,.summary-icon,.view-button,.notice,.document-group,.category-letter,.keyword-group,.sorted-documents,.file-icon,.tag,.document-text,.document-text-open,.richtext-modal,.richtext-modal-close,.empty-state,.auth-campaign,.auth-card,.form-stack input{border-radius:0}
.hero-campaign img,.search-box,.summary-grid article,.document-group,.keyword-group,.sorted-documents,.richtext-modal,.auth-campaign,.auth-card{box-shadow:none}
.search-box{border:1px solid #c9c9c9}.search-box:focus-within{outline:2px solid var(--blue);outline-offset:0}
.button,.view-button,.document-text-open,.richtext-modal-close{min-height:38px;border:1px solid #07579c;background:#07579c;color:#fff;text-transform:uppercase;letter-spacing:.25px;font-weight:900}
.button:hover,.view-button:hover,.document-text-open:hover,.richtext-modal-close:hover{border-color:#003f75;background:#003f75;color:#fff;transform:none}
.button-secondary{background:#07579c;color:#fff;border-color:#07579c}.button-primary{background:#07579c;border-color:#07579c}.button-primary:hover{background:#003f75}
.view-switcher{gap:1px;border-bottom:2px solid #07579c}.view-button{border-bottom:0;padding:11px 18px}.view-button:not(.is-active){background:#fff;color:#07579c}.view-button.is-active{background:#07579c;border-color:#07579c}
.document-groups{gap:0;border-top:2px solid var(--line)}.document-group{border:0;border-bottom:2px solid var(--line);overflow:visible}.group-toggle{padding:18px 10px}.group-toggle:hover{background:#f3f3f3}.category-letter{width:18px;height:18px;background:#07579c;font-size:0;flex:none}.category-letter:after{content:"";width:100%;height:100%;background:#07579c}.group-toggle strong,.keyword-toggle strong{font-size:18px;text-transform:uppercase}.group-toggle small,.subcategory-toggle small,.keyword-toggle small{font-size:12px}.group-content{border-top:1px solid var(--line)}
.subcategory-group{border-bottom:1px solid var(--line)}.subcategory-toggle{padding:14px 18px 14px 42px;background:#f5f5f5}.subcategory-toggle:hover{background:#ececec}.subcategory-content{padding:0 18px 0 42px}.sorted-documents{border:0;border-top:2px solid var(--line);padding:0}.keyword-groups{gap:0;border-top:2px solid var(--line)}.keyword-group{border:0;border-bottom:2px solid var(--line)}.keyword-toggle{padding:17px 10px}.keyword-content{padding:0 18px;border-top:1px solid var(--line)}
.document-card{padding:17px 8px;border-bottom:2px solid var(--line)}.file-icon{width:18px;height:18px;border:0;background:#07579c;color:transparent;font-size:0;margin-top:3px}.file-icon-pdf{background:#e4003b}.file-icon-doc{background:#07579c}.file-icon-xls{background:#8bbd00}.file-icon-ppt{background:#e66a00}.file-icon-zip{background:#5b3f8c}.file-icon-image{background:#00a5bf}.file-icon-text{background:#07579c}.document-info h2{font-size:17px;color:#07579c;text-transform:uppercase}.document-meta{color:#1f1f1f;font-weight:700}.tag{background:#efefef;color:#263947;padding:3px 6px}.document-text-open{padding:8px 14px}.button-download{background:#07579c;border-color:#07579c;color:#fff;text-transform:uppercase}.button-download:hover{background:#003f75;border-color:#003f75}
.document-actions{width:300px;max-width:100%}.button-download{width:300px;max-width:100%;box-sizing:border-box}.file-icon,.file-icon-pdf,.file-icon-doc,.file-icon-xls,.file-icon-ppt,.file-icon-zip,.file-icon-image,.file-icon-text{background:#00A9EB}
.notice{border:1px solid #e2a4b8;border-left:5px solid var(--magenta)}.empty-state{border:1px solid var(--line)}
.richtext-modal{border:1px solid #9ca9b0}.richtext-modal-header{border-bottom:3px solid #07579c}.richtext-modal-header h2{text-transform:uppercase}.richtext-modal-close{padding:9px 18px}.richtext-modal-content th,.richtext-modal-content td{border-color:var(--line)}
.richtext-modal-content,.richtext-modal-content *{font-family:Arial,Helvetica,sans-serif!important}
.auth-layout:after{display:none}.auth-card{border:1px solid var(--line)}.auth-campaign{border:1px solid rgba(255,255,255,.35)}.form-stack input{border:1px solid #9fadb5}.form-stack input:focus{box-shadow:none;outline:2px solid var(--blue);outline-offset:0}

@media(max-width:900px){
  .site-header{padding:12px 18px}.portal-name{display:none}.user-menu>span{display:none}
  .hero{display:block}.hero-content{padding:43px 20px 28px}.hero-campaign{position:relative;right:auto;top:auto;width:auto;transform:none;margin:0 20px 36px}.hero-campaign img{max-width:540px;margin:0 auto}.portal-shell{padding:24px 18px 60px}.view-switcher{display:grid;grid-template-columns:1fr;margin-bottom:22px}.view-button{width:100%}
  .auth-layout{grid-template-columns:1fr;gap:36px;padding:52px 22px}.auth-intro{text-align:center}.auth-intro p{margin-left:auto;margin-right:auto}.auth-card{max-width:520px;width:100%;margin:auto}
}
@media(max-width:640px){
  .brand-logo{width:175px;max-height:48px}.site-header{min-height:72px}.button-secondary{padding:9px 11px}
  .hero{min-height:300px}.hero h1{font-size:39px;letter-spacing:-1.2px}.hero p:not(.eyebrow){font-size:15px}.search-box{margin-top:24px}.search-box input{font-size:16px;padding:15px}
  .summary-grid article{padding:16px}.result-line{align-items:flex-start;flex-direction:column;gap:3px}
  .group-toggle{padding:16px}.category-letter{width:39px;height:39px}.subcategory-toggle{padding:14px 16px 14px 24px}.subcategory-content{padding:0 14px}.sorted-documents,.keyword-content{padding:0 14px}.keyword-toggle{padding:16px}.document-card{grid-template-columns:42px minmax(0,1fr);align-items:start;padding:16px 0}.document-actions{grid-column:2;align-items:flex-start;width:100%}.button-download{width:100%}
  .site-footer{align-items:flex-start;flex-direction:column}.auth-layout{min-height:auto;padding:38px 16px}.auth-intro h1{font-size:39px}.auth-card{padding:26px 21px}
  .richtext-modal{width:100vw;height:100dvh;border-radius:0}.richtext-modal-header{padding:14px 16px}.richtext-modal-content{padding:20px 16px}.richtext-modal-close{padding:8px 11px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}