/* NaturKultur e.V. - public styles. Branding follows evolyapp.com (Inter, #0a61d2 blue, glass pill nav, rounded cards). */
@font-face{font-family:Inter;font-weight:300;font-display:swap;src:url(../fonts/inter-latin-300.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(../fonts/inter-latin-400.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url(../fonts/inter-latin-500.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(../fonts/inter-latin-600.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url(../fonts/inter-latin-700.woff2) format('woff2')}

:root{
  --primary:#0a61d2;--primary-hover:#1d4ed8;--primary-soft:#e8f0fc;
  --ink:#0f172a;--ink-2:#1e293b;--text:#212529;--muted:#64748b;--body-2:#475569;
  --line:#e2e8f0;--bg:#fff;--bg-alt:#f8fafc;
  --ok:#15803d;--warn:#b45309;--bad:#b91c1c;
  --radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08);
  --font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover);text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
.container{width:min(1160px,100% - 2.5rem);margin-inline:auto}
.container.narrow{width:min(820px,100% - 2.5rem)}
.muted{color:var(--muted)}.small{font-size:.875rem}
.skip-link{position:absolute;left:-999px;top:0;background:var(--primary);color:#fff;padding:.6rem 1rem;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid #7aa7ea;outline-offset:2px}
.ic{flex:none;vertical-align:-3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;font:600 .95rem var(--font);padding:.7rem 1.4rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;text-decoration:none!important;transition:.15s;line-height:1.2}
.btn-sm{padding:.5rem 1rem;font-size:.85rem;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft)}
.btn-evoly{background:#fff;color:var(--primary)!important;border-color:#fff;font-weight:700;box-shadow:0 4px 14px rgba(10,97,210,.35)}
.btn-evoly:hover{background:var(--primary-soft);color:var(--primary-hover)!important}
.btn-glass{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-glass:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-ghost-dark{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost-dark:hover{background:var(--bg-alt)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* Navigation (floating glass pill like Evoly) */
.site-nav-wrap{position:fixed;top:0;left:0;right:0;z-index:50;padding:14px 0;transition:padding .25s}
.site-nav-wrap.scrolled{padding:8px 0}
.site-nav{width:min(1160px,100% - 2rem);margin-inline:auto;display:flex;align-items:center;gap:1.2rem;padding:.55rem .8rem .55rem 1.2rem;border-radius:999px;background:rgba(15,23,42,.38);border:1px solid rgba(255,255,255,.22);box-shadow:0 8px 32px rgba(15,23,42,.18),inset 0 1px 0 rgba(255,255,255,.18);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);transition:background .25s,box-shadow .25s}
.site-nav-wrap.scrolled .site-nav{background:rgba(15,23,42,.62);box-shadow:0 10px 36px rgba(15,23,42,.28),inset 0 1px 0 rgba(255,255,255,.2)}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none!important;font-weight:700}
.brand img{display:block}
.nav-menu{display:flex;align-items:center;gap:1rem;margin-left:auto}
.nav-links{display:flex;gap:.2rem;list-style:none;margin:0;padding:0}
.nav-links a{white-space:nowrap;color:#fff;font-size:.88rem;font-weight:600;padding:.45rem .8rem;border-radius:999px;display:inline-flex;gap:.4rem;align-items:center}
.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.14);text-decoration:none;color:#fff}
.badge-count{background:var(--primary);color:#fff;border-radius:999px;font-size:.7rem;padding:0 .45rem;line-height:1.5}
.nav-search{display:flex;align-items:center;background:rgba(255,255,255,.12);border-radius:999px;padding:0 .3rem 0 .9rem;border:1px solid rgba(255,255,255,.18)}
.nav-search input{background:transparent;border:0;color:#fff;font:400 .85rem var(--font);width:130px;padding:.45rem 0}
.nav-search input::placeholder{color:rgba(255,255,255,.7)}
.nav-search input:focus{outline:none}
.nav-search button{background:transparent;border:0;color:#fff;padding:.4rem;cursor:pointer;display:flex}
.nav-toggle{display:none;background:transparent;border:0;color:#fff;margin-left:auto;cursor:pointer;padding:.3rem}

/* Hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(15,23,42,.88),rgba(15,23,42,.35)),var(--hero-img) center/cover,#0f172a;padding:130px 0 150px}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:#fff;border-radius:60% 60% 0 0/100% 100% 0 0}
.hero-in{position:relative;z-index:1}
.hero h1{color:#fff;font-size:clamp(2.1rem,5vw,3.6rem);max-width:15em;margin-bottom:.5em}
.hero p{font-size:1.15rem;max-width:36em;color:rgba(255,255,255,.9)}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0}
.hero-search{display:flex;align-items:center;gap:.6rem;background:#fff;color:var(--muted);border-radius:999px;padding:.4rem .4rem .4rem 1.1rem;max-width:520px;box-shadow:var(--shadow)}
.hero-search input{flex:1;border:0;font:400 1rem var(--font);min-width:0;padding:.4rem 0}
.hero-search input:focus{outline:none}

.page-hero{background:linear-gradient(135deg,#0f172a,#143a78 70%,#0a61d2);color:#fff;padding:140px 0 56px}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.3em}
.page-hero p{color:rgba(255,255,255,.85);margin:.4rem 0 0}
.page-hero .meta{font-size:.9rem}
.preview-note{background:rgba(255,255,255,.12);padding:.5rem .9rem;border-radius:10px;display:inline-block}
.preview-note a{color:#fff;text-decoration:underline}
.crumbs{font-size:.85rem;color:rgba(255,255,255,.8);margin-bottom:1rem;display:flex;gap:.5rem;flex-wrap:wrap}
.crumbs a{color:#fff}
.crumbs .cur{opacity:.85}

/* Sections */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:2rem}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:.2em}
.section-head p{margin:0;color:var(--muted)}
.section-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.cat-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;color:var(--text);transition:.18s;text-decoration:none!important}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd3f5}
.cat-ic{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);margin-bottom:1rem}
.cat-card h3{font-size:1.15rem;margin-bottom:.3em}
.cat-card p{color:var(--body-2);font-size:.92rem;margin:0 0 1rem}
.cat-count{font-size:.8rem;font-weight:600;color:var(--primary)}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.4rem}
.card-grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card-img img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:1.3rem;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.1rem;margin:.6rem 0 .4rem}
.card h3 a{color:var(--ink)}
.card p{color:var(--body-2);font-size:.92rem;margin:0 0 1rem;flex:1}
.tag{align-self:flex-start;background:var(--primary-soft);color:var(--primary);font-size:.75rem;font-weight:600;padding:.15rem .7rem;border-radius:999px}
.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem}
.more{font-weight:600;display:inline-flex;gap:.3rem;align-items:center}

.cta-box{background:linear-gradient(135deg,#0f172a,#0a61d2);color:#fff;border-radius:24px;padding:2.5rem;display:flex;gap:1.5rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-box h2{color:#fff;margin-bottom:.3em}.cta-box p{margin:0;color:rgba(255,255,255,.85)}
.cta-box .btn-primary{background:#fff;color:var(--primary)}

/* Article list */
.chapter-intro{padding:48px 0 0}
.list-layout{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start}
.list-side{position:sticky;top:20px}
.side-search{display:flex;border:1px solid var(--line);border-radius:999px;padding:0 .3rem 0 1rem;margin-bottom:1.5rem;background:#fff}
.side-search input{flex:1;border:0;background:transparent;font:400 .92rem var(--font);padding:.65rem 0;min-width:0}
.side-search input:focus{outline:none}
.side-search button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:.5rem;display:flex}
.side-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.side-list{list-style:none;margin:0;padding:0}
.side-list a{display:flex;justify-content:space-between;padding:.55rem .9rem;border-radius:10px;color:var(--ink-2);font-weight:500}
.side-list a span{color:var(--muted);font-size:.85rem}
.side-list a:hover{background:var(--bg-alt);text-decoration:none}
.side-list a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.empty{background:var(--bg-alt);border:1px dashed var(--line);border-radius:var(--radius);padding:2rem;text-align:center;color:var(--body-2)}
.pager{display:flex;gap:.4rem;justify-content:center;margin-top:2.2rem;flex-wrap:wrap}
.pager a{padding:.45rem .9rem;border:1px solid var(--line);border-radius:10px;color:var(--ink-2);font-weight:500}
.pager a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager a:hover{text-decoration:none;background:var(--bg-alt)}.pager a.active:hover{background:var(--primary)}

/* Article */
.toolbar{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.6rem;padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.tool-btn{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--line);color:var(--ink-2);font:600 .85rem var(--font);padding:.5rem 1rem;border-radius:999px;cursor:pointer}
.tool-btn:hover{background:var(--bg-alt);border-color:#cbd5e1}
.tool-btn[aria-pressed=true]{background:var(--primary-soft);color:var(--primary);border-color:#bcd3f5}
.tool-btn[aria-pressed=true] svg{fill:currentColor}
.share{position:relative}
.share-menu{position:absolute;left:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);min-width:200px;padding:.4rem;z-index:20}
.share-menu[hidden]{display:none}
.share-menu a,.share-menu button{display:flex;gap:.6rem;align-items:center;width:100%;text-align:left;background:transparent;border:0;font:500 .9rem var(--font);color:var(--ink-2);padding:.55rem .7rem;border-radius:8px;cursor:pointer;text-decoration:none}
.share-menu a:hover,.share-menu button:hover{background:var(--bg-alt);text-decoration:none}
.article-img{margin:0 0 2rem}.article-img img{border-radius:var(--radius);display:block;width:100%}
.prose{font-size:1.08rem;color:#1f2937}
.prose h2{font-size:1.6rem;margin-top:2rem}.prose h3{font-size:1.25rem;margin-top:1.6rem}
.prose ul,.prose ol{padding-left:1.4rem}.prose li{margin:.3rem 0}
.prose blockquote{margin:1.4rem 0;padding:1rem 1.4rem;border-left:4px solid var(--primary);background:var(--bg-alt);border-radius:0 12px 12px 0;color:var(--ink-2)}
.prose img{border-radius:12px}

/* Comments */
.comments{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line)}
.comments h2{font-size:1.4rem}.count{background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:.1rem .6rem;font-size:.9rem;margin-left:.3rem}
.comment{background:var(--bg-alt);border:1px solid var(--line);border-radius:14px;padding:1rem 1.2rem;margin-bottom:.9rem}
.comment-head{display:flex;gap:.2rem .8rem;flex-wrap:wrap;align-items:baseline;font-size:.88rem}
.comment-head span{color:var(--muted)}.comment-head time{margin-left:auto;color:var(--muted)}
.comment p{margin:.5rem 0 0}
.cform-wrap{margin-top:1.4rem}
.cform-toggle .ic:last-child{transition:.2s}
.cform-toggle[aria-expanded=true] .ic:last-child{transform:rotate(180deg)}
.cform-panel{margin-top:1rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}
.cform-panel[hidden]{display:none}
.cform-panel label{display:block;font-weight:600;font-size:.88rem;color:var(--ink-2);margin-bottom:1rem}
.cform-panel label small{display:block;font-weight:400;color:var(--muted);margin-top:.2rem}
.cform-panel input[type=text],.cform-panel input[type=email],.cform-panel input:not([type]),.cform-panel textarea{display:block;width:100%;margin-top:.35rem;padding:.7rem .9rem;border:1.5px solid var(--line);border-radius:12px;font:400 1rem var(--font);color:var(--text);background:#fff}
.cform-panel input:focus,.cform-panel textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(10,97,210,.15)}
.cform-panel .invalid{border-color:var(--bad)!important}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.req{color:var(--bad)}
.check{display:flex!important;gap:.7rem;align-items:flex-start;font-weight:400!important}
.check input{margin-top:.25rem;width:18px;height:18px;flex:none;accent-color:var(--primary)}
.hp{position:absolute!important;left:-9999px;height:0;overflow:hidden}
.form-msg{min-height:1.4rem;margin-bottom:.6rem;font-size:.92rem;color:var(--bad)}
.cform-done{text-align:center;padding:1.5rem 1rem}
.done-ic{width:60px;height:60px;border-radius:50%;background:#dcfce7;color:var(--ok);display:grid;place-items:center;margin:0 auto 1rem}
.related{margin-top:3rem}.related h2{font-size:1.3rem}

/* Bookmarks */
.bm-list{display:grid;gap:.8rem}
.bm-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem 1.2rem}
.bm-item a{font-weight:600;color:var(--ink)}
.bm-item small{display:block;color:var(--muted)}
.bm-item button{background:transparent;border:0;color:var(--bad);cursor:pointer;font:600 .85rem var(--font)}

/* Footer */
.site-footer{background:var(--ink);color:#cbd5e1;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem;padding:56px 0 36px}
.site-footer h3{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.45rem 0}
.site-footer a{color:#cbd5e1}.site-footer a:hover{color:#fff}
.footer-name{color:#fff;font-weight:700;margin:.8rem 0 .4rem}
.footer-brand p{font-size:.92rem}
address{font-style:normal;font-size:.92rem;line-height:1.8}
.social{display:flex;gap:.6rem;margin-top:1rem}
.social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff}
.social a:hover{background:var(--primary)}
.legal-links{margin-top:1rem}
.link-btn{background:none;border:0;color:#cbd5e1;font:inherit;cursor:pointer;padding:0;text-decoration:underline}
.link-btn:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}
.footer-bottom-in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.1rem 0}

/* Cookie bar & modal */
.cookie-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;width:min(1000px,100% - 24px);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 40px rgba(15,23,42,.25);padding:1rem 1.3rem;z-index:200;display:flex;gap:1.2rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cookie-bar[hidden]{display:none}
.cookie-bar p{margin:0;font-size:.88rem;color:var(--body-2);flex:1 1 380px}
.cookie-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.6);display:grid;place-items:center;z-index:300;padding:1rem}
.modal-back[hidden]{display:none}
.modal{background:#fff;border-radius:20px;padding:1.8rem;width:min(520px,100%);max-height:90vh;overflow:auto}
.modal h2{font-size:1.3rem}
.switch-row{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--line);cursor:pointer}
.switch-row small{display:block;color:var(--muted);font-weight:400;margin-top:.2rem}
.switch-row input{width:22px;height:22px;accent-color:var(--primary);flex:none;margin-top:.2rem}
.modal-actions{display:flex;gap:.6rem;justify-content:flex-end;margin-top:1.2rem}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:.7rem 1.2rem;border-radius:999px;font-size:.9rem;z-index:400;box-shadow:var(--shadow)}

/* Responsive */
@media (max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .list-layout{grid-template-columns:1fr}.list-side{position:static}
}
@media (max-width:1100px){
  .site-nav{border-radius:24px;flex-wrap:wrap}
  .nav-toggle{display:block}
  .nav-menu{display:none;flex-direction:column;align-items:stretch;width:100%;margin:0;padding:.6rem 0 .4rem;gap:.7rem}
  .nav-menu.open{display:flex}
  .nav-links{flex-direction:column}
  .nav-search input{width:100%}.nav-search{flex:1}
  .nav-menu .btn{align-self:flex-start}
}
@media (max-width:900px){
  .hero{padding:120px 0 120px;min-height:0}
}
@media (max-width:620px){
  .footer-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .section{padding:52px 0}
  .cookie-actions{width:100%}.cookie-actions .btn{flex:1}
}

/* Print: clean article only */
@media print{
  .site-nav-wrap,.site-footer,.toolbar,.cookie-bar,.modal-back,.cform-wrap,.related,.skip-link,.toast{display:none!important}
  .page-hero{background:none!important;color:#000;padding:0 0 12px;border-bottom:2px solid #000}
  .page-hero h1,.page-hero .meta,.crumbs,.crumbs a{color:#000!important}
  .section{padding:16px 0}
  .prose{font-size:11.5pt;color:#000}
  .comments{border:0;margin-top:20px}.comment{background:none;break-inside:avoid}
  a{color:#000;text-decoration:underline}
  .prose a[href^="http"]::after{content:" (" attr(href) ")";font-size:9pt;color:#444}
}