/* Berliner Netzwerk — Design: Anthrazit + Logo-Orange (#f7582d / #fc9219) */
:root{
  --ink:#14161a; --ink-2:#17191e; --ink-3:#101215;
  --line:rgba(255,255,255,.10); --line-strong:rgba(255,255,255,.22);
  --text:#f5f4f2; --text-2:#b6bcc4; --text-3:#8a9099; --text-4:#6b7078;
  --accent:#f7582d; --accent-hi:#ff7a55; --amber:#fc9219;
  --paper:#f5f4f2;
  --shadow:0 24px 60px -18px rgba(0,0,0,.75),0 4px 14px rgba(0,0,0,.35);
  --shadow-light:0 26px 54px -20px rgba(20,22,26,.45),0 4px 12px rgba(20,22,26,.14);
  --wrap:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:"Instrument Sans",system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hi)}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.muted{color:var(--text-3)}
.small{font-size:14px}
.accent{color:var(--accent)}
.limit{max-width:680px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;color:#000;padding:10px;z-index:99}

h1,h2,h3{font-family:Archivo,sans-serif;letter-spacing:-.03em;margin:0}
.h1{font-size:clamp(34px,5vw,58px);line-height:1.02;font-weight:800;margin:0 0 20px;text-wrap:balance}
.h2{font-size:clamp(28px,3.4vw,44px);line-height:1.05;font-weight:800;margin:0 0 18px}
.lead{font-size:19px;line-height:1.55;color:var(--text-2);margin:0 0 32px;text-wrap:pretty}
.eyebrow{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
.label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.section{padding:72px 32px 88px}
.section.narrow{max-width:860px}
.spaced{margin-top:56px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(20,22,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:32px;height:76px}
.logo img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav a{color:#cfd3d8;font-weight:500;font-size:15px;padding:10px 14px;transition:color .18s}
.nav a:hover{color:#fff}
.nav .btn{margin-left:10px}
.nav-sep{width:1px;height:24px;background:var(--line-strong);margin:0 10px}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:12px;flex-direction:column;gap:5px}
.burger span{display:block;width:24px;height:2px;background:#fff}

/* Buttons */
.btn{display:inline-block;font-weight:600;font-size:15px;padding:13px 22px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background-color .18s,border-color .18s,color .18s,transform .25s}
.btn-lg{font-size:16px;padding:17px 30px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hi);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:#fff;color:#fff}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-outline:hover{border-color:#fff;color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;color:#fff}
.btn.small{padding:9px 14px;font-size:14px}
.btn.full{width:100%}

/* Flash */
.flashes{padding-top:20px}
.flash{border:1px solid var(--line-strong);padding:14px 18px;margin-bottom:10px;font-size:15px}
.flash-success{border-color:#7fbf6a;color:#c9e8bd}
.flash-error{border-color:#ff8a6a;color:#ffc9ba}

/* Hero */
.hero{background-image:linear-gradient(90deg,rgba(20,22,26,.72) 0%,rgba(20,22,26,.42) 45%,rgba(20,22,26,.10) 100%),linear-gradient(180deg,rgba(20,22,26,.45) 0%,rgba(20,22,26,0) 35%,rgba(20,22,26,.80) 100%),url("../img/hero.jpg");background-size:cover;background-position:center 32%;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;padding-top:96px;padding-bottom:88px}
.hero-h1{font-size:clamp(38px,5.4vw,74px);text-shadow:0 2px 24px rgba(20,22,26,.75)}
.hero-lead{font-size:20px;color:#d7dbdf;max-width:560px;text-shadow:0 2px 18px rgba(20,22,26,.7)}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.24);padding:7px 14px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#e4e7ea;margin:0 0 28px;background:rgba(20,22,26,.35)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--amber);animation:pulse 2.4s ease-in-out infinite}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.stats{display:grid;grid-template-columns:repeat(3,max-content);gap:48px;border-top:1px solid var(--line-strong);padding-top:28px}
.stats strong{display:block;font-family:Archivo,sans-serif;font-weight:700;font-size:34px;letter-spacing:-.02em}
.stats span{font-size:14px;color:#c3c8ce}
.hero-photo{aspect-ratio:4/5;background:repeating-linear-gradient(135deg,#1c1f24 0 12px,#212530 12px 24px);border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--text-3);font-size:12px;text-align:center;padding:20px}

/* Branchen-Laufband */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink-2)}
.strip-inner{display:flex;align-items:center;gap:28px;padding-top:18px;padding-bottom:18px}
.marquee{flex:1;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 92%,transparent)}
.marquee-track{display:flex;gap:10px;width:max-content;animation:marquee 44s linear infinite}
.chip{font-size:14px;color:var(--text-2);border:1px solid rgba(255,255,255,.12);padding:6px 12px;white-space:nowrap}
.muted-chip{color:var(--text-3);border-color:rgba(255,255,255,.08)}

/* Karten */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--ink);padding:40px 34px}
.card h3{font-size:24px;font-weight:700;margin:0 0 14px}
.card p{color:var(--text-2);margin:0}
.num{display:block;font-size:12px;color:var(--accent);margin-bottom:16px}

/* Heller Abschnitt */
.section-light{background:var(--paper);color:var(--ink);padding:88px 0}
.section-light .h2{color:var(--ink)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-light .btn-outline{color:var(--ink);border-color:rgba(0,0,0,.22)}
.section-light .btn-outline:hover{border-color:var(--ink)}
.event-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.event-card{color:var(--ink);display:flex;flex-direction:column;transition:transform .28s}
.event-card:hover{color:var(--ink);transform:translateY(-6px)}
.event-img{position:relative;aspect-ratio:4/3;background:repeating-linear-gradient(135deg,#e6e3df 0 12px,#dcd8d2 12px 24px);background-size:cover;background-position:center;box-shadow:var(--shadow-light);display:grid;place-items:center}
.event-img.dark{aspect-ratio:16/8;background:repeating-linear-gradient(135deg,#1c1f24 0 12px,#212530 12px 24px);background-size:cover;background-position:center;box-shadow:var(--shadow);border-bottom:1px solid var(--line)}
.img-hint{font-size:12px;color:#8d8880}
.event-img.dark .img-hint{color:#8a9099}
.date-badge{position:absolute;top:0;left:0;background:#fff;padding:10px 14px 8px;text-align:center;min-width:68px}
.date-badge strong{display:block;font-family:Archivo,sans-serif;font-weight:800;font-size:26px;line-height:1;color:var(--ink)}
.date-badge span{font-size:11px;text-transform:uppercase;color:var(--accent)}
.date-badge.dark{background:var(--ink)}
.date-badge.dark strong{color:#fff}
.pill{position:absolute;top:14px;right:14px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;background:rgba(20,22,26,.72);color:#fff;padding:6px 10px}
.event-body{padding:20px 2px 0}
.event-meta{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6b7078;margin:0 0 10px}
.event-card h3{font-size:22px;font-weight:700;line-height:1.15;margin:0 0 8px}
.event-card .muted{color:#5e646c;margin:0}
.empty{border:1px dashed var(--line-strong);padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-light .empty{border-color:rgba(0,0,0,.2)}

/* Events-Seite */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 36px}
.filter{font-size:14px;font-weight:500;padding:10px 18px;border:1px solid var(--line-strong);color:#cfd3d8}
.filter:hover{border-color:#fff;color:#fff}
.filter.active{border-color:var(--accent);background:rgba(247,88,45,.16);color:#fff}
.filter.add{border-style:dashed}
.event-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.event-tile{border:1px solid var(--line);background:var(--ink-2);display:flex;flex-direction:column;transition:transform .28s,border-color .18s}
.event-tile:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.tile-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.tile-body h3{font-size:24px;font-weight:700}
.tile-body h3 a{color:var(--text)}
.tile-body h3 a:hover{color:var(--accent)}
.tag{border:1px solid var(--line-strong);padding:4px 9px;color:#cfd3d8;margin-right:8px}
.tile-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}
.note{margin-top:40px;border:1px dashed var(--line-strong);padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.note h3{font-size:22px;margin-bottom:8px}
.note p{color:var(--text-2);margin:0;max-width:560px}
.event-hero{aspect-ratio:16/7;background:repeating-linear-gradient(135deg,#1c1f24 0 12px,#212530 12px 24px);background-size:cover;background-position:center;box-shadow:var(--shadow);display:grid;place-items:center;margin:8px 0 32px}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin:32px 0}
.detail-grid>div{background:var(--ink);padding:22px 24px}
.detail-grid p{margin:8px 0 0}
.signup-box{border:1px solid var(--line);background:var(--ink-2);padding:32px 34px}
.signup-box h2{font-size:24px;margin-bottom:18px}
.prose p{color:var(--text-2);font-size:17px}
.prose h2{font-size:22px;margin:28px 0 10px}

/* Split / Features */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.photo-square{aspect-ratio:1/1;background:repeating-linear-gradient(135deg,#1c1f24 0 12px,#212530 12px 24px);border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--text-3);font-size:12px;text-align:center;padding:20px}
.feature-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.feature{background:var(--ink);padding:22px 26px;display:grid;grid-template-columns:32px 1fr;gap:16px}
.feature .num{margin:3px 0 0}
.feature strong{font-family:Archivo,sans-serif;font-size:17px}
.feature p{margin:4px 0 0;color:var(--text-3);font-size:15px}

/* FAQ */
.section-dark{background:var(--ink-2);border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start;padding-top:88px;padding-bottom:88px}
.faq-intro{position:sticky;top:108px}
.faq{border-top:1px solid rgba(255,255,255,.12)}
.faq-item{border-bottom:1px solid rgba(255,255,255,.12)}
.faq-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:24px 4px;display:grid;grid-template-columns:1fr 28px;gap:20px;align-items:center;font-family:Archivo,sans-serif;font-weight:700;font-size:20px;letter-spacing:-.015em;color:var(--text)}
.faq-q:hover{color:var(--amber)}
.faq-q .sign{color:var(--accent);font-weight:400;text-align:center}
.faq-a{display:none;padding:0 48px 24px 4px}
.faq-item.open .faq-a{display:block}
.faq-a p{margin:0;color:var(--text-2);font-size:17px;line-height:1.65}

/* CTA */
.cta{background:var(--accent);padding:60px 52px;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;color:#1c0d05}
.cta-h{color:#1c0d05;font-size:clamp(28px,3vw,42px)}
.cta p{color:rgba(28,13,5,.82);margin:0}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form input{font-family:inherit;font-size:16px;padding:17px 18px;border:0;background:#fff;color:var(--ink)}
.fineprint{font-size:13px;color:rgba(28,13,5,.78)}

/* Formulare */
.panel{border:1px solid var(--line);background:var(--ink-2);padding:34px 32px}
.panel h2{font-size:26px;margin-bottom:22px}
.panel h3{font-size:20px;margin-bottom:12px}
label{display:block;font-size:14px;color:var(--text-2);margin-bottom:16px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],select,textarea{width:100%;margin-top:8px;font-family:inherit;font-size:15px;padding:13px 14px;background:var(--ink);border:1px solid rgba(255,255,255,.14);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
textarea{resize:vertical}
input[type=file]{margin-top:8px;font-size:14px;color:var(--text-3)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.5;margin:8px 0 22px}
.check input{width:auto;margin:3px 0 0;accent-color:var(--accent)}
.join-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start;margin-top:40px}
.side-stack{display:flex;flex-direction:column;gap:24px}
.arrow-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.arrow-list li{padding-left:26px;position:relative;color:var(--text-2);font-size:15px}
.arrow-list li:before{content:"→";position:absolute;left:0;color:var(--accent)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.step{background:var(--ink-2);padding:28px 24px}
.step strong{font-family:Archivo,sans-serif;font-size:18px;display:block;margin-bottom:6px}
.step p{margin:0;color:var(--text-3);font-size:15px}
.logo-preview{max-width:160px;margin:0 0 18px;border:1px solid var(--line);background:#fff;padding:8px}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.thumbs img{aspect-ratio:1;object-fit:cover;border:1px solid var(--line)}
.code-list{list-style:none;padding:0;margin:16px 0 0;font-size:14px}
.code-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}

/* Verzeichnis */
.dir-grid{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start;margin-top:40px}
.dir-side{border:1px solid var(--line);background:var(--ink-2);padding:24px;position:sticky;top:100px}
.dir-side .spaced{display:block;margin-top:24px;margin-bottom:10px}
.branch-list{display:flex;flex-direction:column}
.branch-list a{display:flex;justify-content:space-between;gap:12px;padding:11px 2px;border-bottom:1px solid rgba(255,255,255,.08);color:var(--text-2);font-size:15px}
.branch-list a:hover,.branch-list a.active{color:#fff}
.branch-list a span:last-child{color:var(--text-4);font-size:13px}
.dir-head{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);margin-bottom:16px}
.member-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.member{background:var(--ink);padding:24px;display:grid;grid-template-columns:56px 1fr;gap:18px}
.avatar{width:56px;height:56px;background:repeating-linear-gradient(135deg,#1c1f24 0 8px,#212530 8px 16px);background-size:cover;background-position:center;border:1px solid var(--line);box-shadow:0 10px 24px -10px rgba(0,0,0,.8);display:grid;place-items:center;color:var(--text-3);font-size:12px}
.member strong{font-family:Archivo,sans-serif;font-size:18px}
.member p{margin:2px 0 0}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px!important}
.contact{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.locked{color:var(--text-4);font-size:12px}

/* Admin */
.admin-list{border:1px solid var(--line)}
.admin-row{display:flex;justify-content:space-between;gap:24px;padding:20px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.admin-actions{display:flex;gap:8px;align-items:flex-start}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--ink-3);margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:32px}
.footer-grid p{color:var(--text-3);font-size:15px;max-width:320px}
.footer-grid div a{display:block;color:var(--text-2);font-size:15px;padding:5px 0}
.footer-grid div a:hover{color:#fff}
.footer-logo{height:34px;margin-bottom:16px}
.footer-grid .label{display:block;margin-bottom:8px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);padding-top:22px;padding-bottom:44px;font-size:12px;color:var(--text-4)}

/* Animation */
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.7)}}
.reveal{opacity:0}
.reveal.in{animation:rise .7s cubic-bezier(.22,.8,.3,1) both}

/* Responsive */
@media (max-width:1000px){
  .hero-grid,.split,.faq-grid,.join-grid,.dir-grid{grid-template-columns:1fr;gap:36px}
  .faq-intro,.dir-side{position:static}
  .hero-photo,.photo-square{aspect-ratio:16/10}
  .cards-3,.steps,.event-cards,.event-grid,.member-grid,.footer-grid{grid-template-columns:1fr 1fr}
  .cta{grid-template-columns:1fr;gap:28px}
}
@media (max-width:720px){
  .wrap{padding:0 20px}
  .section{padding:48px 20px 64px}
  .header-inner{height:64px;gap:12px}
  .burger{display:flex}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:2px}
  .nav.open{display:flex}
  .nav .btn,.nav-sep{margin:8px 0 0}
  .nav-sep{display:none}
  .cards-3,.steps,.event-cards,.event-grid,.member-grid,.footer-grid,.grid-2{grid-template-columns:1fr}
  .stats{gap:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .cta{padding:36px 24px}
  .panel{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;animation:none}
  .marquee-track{animation:none}
  *{transition:none!important}
}