/* ============================================================
   BYD EU Community — Design System (dark, EV-premium)
   Self-hosted fonts, keine externen Requests (DSGVO).
   ============================================================ */
@font-face{font-family:'Space Grotesk';src:url('/vendor/fonts/space-grotesk-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Space Grotesk';src:url('/vendor/fonts/space-grotesk-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Space Grotesk';src:url('/vendor/fonts/space-grotesk-700.woff2') format('woff2');font-weight:700;font-display:swap}

:root{
  --bg:#0a0e14; --bg-2:#0e1420; --panel:#121b28; --panel-2:#0e1621;
  --line:#1e2b3b; --line-2:#2b3d52;
  --text:#e9f1f9; --muted:#9db0c4; --faint:#6a7f95;
  --accent:#38bdf8; --accent-2:#22c55e; --cyan:#22d3ee;
  --danger:#ff6b6b; --warn:#ffbf69;
  --grad:linear-gradient(115deg,#38bdf8 0%,#22d3ee 45%,#22c55e 100%);
  --radius:16px; --radius-sm:11px;
  --shadow:0 18px 50px -12px rgba(0,0,0,.6);
  --ring:0 0 0 3px rgba(56,189,248,.35);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{
  font-family:var(--font-body); color:var(--text); line-height:1.6;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(56,189,248,.14), transparent 60%),
    radial-gradient(760px 460px at 8% 8%, rgba(34,197,94,.10), transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none;transition:color .18s}
a:hover{color:#7dd3fc}
h1,h2,h3,.brand,.eyebrow{font-family:var(--font-display);letter-spacing:-.02em;line-height:1.12}
img{max-width:100%}

.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .7rem;
  padding:.3rem .7rem;border:1px solid var(--line-2);border-radius:999px;background:rgba(56,189,248,.06)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.85rem clamp(1rem,4vw,2.5rem);
  background:rgba(10,14,20,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.brand{font-weight:700;font-size:1.16rem;color:var(--text);display:flex;align-items:center;gap:.1rem}
.brand span{color:var(--accent)}
.site-header nav{display:flex;gap:.35rem;flex-wrap:wrap}
.site-header nav a{color:var(--muted);font-size:.92rem;font-weight:500;padding:.4rem .7rem;border-radius:8px}
.site-header nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:600;
  font-size:.95rem;padding:.72rem 1.25rem;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .16s, box-shadow .16s, background .16s, border-color .16s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn.primary{background:var(--grad);color:#041019;box-shadow:0 10px 26px -8px rgba(56,189,248,.5)}
.btn.primary:hover{box-shadow:0 16px 34px -8px rgba(56,189,248,.65)}
.btn.ghost{background:rgba(255,255,255,.03);border-color:var(--line-2);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent);background:rgba(56,189,248,.08)}
.btn.whatsapp{background:#25d366;color:#04121f;box-shadow:0 10px 26px -10px rgba(37,211,102,.55)}
.btn.small{padding:.5rem .9rem;font-size:.85rem}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:grid;place-items:center;text-align:center;overflow:hidden;isolation:isolate}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
  filter:saturate(1.05);pointer-events:none}
.hero-scrim{position:absolute;inset:0;z-index:-1;pointer-events:none;background:
  linear-gradient(180deg,rgba(10,14,20,.55) 0%,rgba(10,14,20,.35) 40%,rgba(10,14,20,.82) 82%,var(--bg) 100%)}
.scroll-cue{pointer-events:none}
.hero-inner{max-width:860px;padding:clamp(3rem,8vw,6rem) 1.25rem 4rem;animation:rise .9s ease both}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);font-weight:700;margin:0 0 1.1rem;text-shadow:0 2px 40px rgba(0,0,0,.5)}
.hero p{color:#d7e3ef;font-size:clamp(1.02rem,2.2vw,1.2rem);max-width:660px;margin:0 auto 2rem;
  text-shadow:0 1px 14px rgba(0,0,0,.55)}
.hero-cta{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:1;
  color:var(--muted);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;display:grid;
  justify-items:center;gap:.35rem;opacity:.85}
.scroll-cue::after{content:"";width:22px;height:34px;border:2px solid var(--line-2);border-radius:12px;
  position:relative;display:block}
.scroll-cue span{position:relative}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* ---------- Sections ---------- */
section{scroll-margin-top:80px}
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3rem,7vw,5.5rem) clamp(1rem,4vw,2rem)}
.section-head{text-align:center;max-width:640px;margin:0 auto 2.2rem}
.section-head h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin:0 0 .6rem}
.section-head p{color:var(--muted);margin:0}

/* ---------- Stat tiles ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:var(--maxw);
  margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.stat{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:1.4rem 1.2rem;text-align:center}
.stat b{font-family:var(--font-display);font-weight:700;font-size:clamp(1.6rem,4vw,2.2rem);display:block;
  line-height:1}
.stat small{color:var(--muted);font-size:.86rem;display:block;margin-top:.5rem}
@media(max-width:620px){.stats{grid-template-columns:1fr;gap:.7rem}}

/* ---------- Map ---------- */
.map-wrap{max-width:var(--maxw);margin:0 auto;padding:1rem clamp(1rem,4vw,2rem) 0}
#map{height:min(62vh,560px);border-radius:var(--radius);border:1px solid var(--line-2);overflow:hidden;
  box-shadow:var(--shadow)}
.map-note{color:var(--faint);font-size:.82rem;margin:.7rem .3rem 0}
/* Leaflet dark theming */
.leaflet-container{background:#0c141e;font-family:var(--font-body)}
.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:var(--panel);color:var(--text);
  box-shadow:var(--shadow);border:1px solid var(--line-2)}
.leaflet-popup-content{margin:.7rem .9rem;font-size:.9rem}
.leaflet-popup-content small{color:var(--muted)}
.leaflet-bar a{background:var(--panel);color:var(--text);border-color:var(--line)}
.leaflet-bar a:hover{background:var(--panel-2)}
.leaflet-control-attribution{background:rgba(10,14,20,.7)!important;color:var(--faint)!important}
.leaflet-control-attribution a{color:var(--muted)!important}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:var(--maxw);margin:0 auto}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;
  position:relative;transition:transform .18s,border-color .18s}
.step:hover{transform:translateY(-3px);border-color:var(--line-2)}
.step .num{font-family:var(--font-display);font-weight:700;font-size:1.05rem;width:38px;height:38px;
  display:grid;place-items:center;border-radius:11px;background:rgba(56,189,248,.12);color:var(--accent);
  border:1px solid var(--line-2);margin-bottom:.9rem}
.step h3{margin:0 0 .4rem;font-size:1.1rem}
.step p{color:var(--muted);margin:0;font-size:.94rem}
@media(max-width:720px){.steps{grid-template-columns:1fr}}

/* ---------- Cards / forms (join, delete) ---------- */
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow)}
.join{max-width:660px;margin:0 auto}
.join h2{margin:0 0 .4rem;font-size:1.5rem}
.lead{color:var(--muted);margin:0 0 1.3rem}
form label{display:block;margin:0 0 1rem;font-size:.86rem;color:var(--muted);font-weight:500}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}
input,select{width:100%;margin-top:.4rem;padding:.78rem .9rem;background:var(--panel-2);color:var(--text);
  border:1px solid var(--line-2);border-radius:var(--radius-sm);font:inherit;transition:border-color .16s,box-shadow .16s}
input::placeholder{color:var(--faint)}
input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
.picker{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin:.4rem 0 .6rem}
.picked{color:var(--accent-2);font-size:.85rem;font-weight:500}
.hint-mini{color:var(--faint);font-size:.8rem;margin:.1rem 0 .9rem}
.pick-map{height:320px;border-radius:var(--radius-sm);border:1px solid var(--line-2);margin:.3rem 0 1rem;overflow:hidden}
.consent{display:flex;gap:.6rem;align-items:flex-start;color:var(--muted);font-size:.85rem}
.consent input{width:auto;margin-top:.15rem}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-msg{min-height:1.2rem;font-size:.9rem;margin:.8rem 0 0}
.form-msg.ok{color:var(--accent-2)}
.form-msg.err{color:var(--danger)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:2rem;padding:2.5rem 1.25rem 3.5rem;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(56,189,248,.03))}
.site-footer nav{display:flex;gap:1.1rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.1rem}
.site-footer nav a{color:var(--muted);font-size:.9rem}
.site-footer nav a:hover{color:var(--text)}
.disclaimer{color:var(--faint);font-size:.78rem;max-width:640px;margin:0 auto}

/* ---------- Content pages (guide / legal) ---------- */
.doc{max-width:780px;margin:0 auto;padding:clamp(2rem,5vw,3rem) 1.25rem 4rem}
.doc h1{font-size:clamp(1.8rem,4.5vw,2.7rem);margin:0 0 1rem}
.doc h2{margin:2.4rem 0 .7rem;font-size:1.35rem;padding-top:1.2rem;border-top:1px solid var(--line)}
.doc h3{margin:1.6rem 0 .5rem;font-size:1.06rem;color:var(--text)}
.doc p,.doc li{color:var(--muted)}
.doc ul{padding-left:1.1rem}
.doc li{margin:.3rem 0}
.doc li::marker{color:var(--accent)}
.doc a{word-break:break-word;border-bottom:1px solid rgba(56,189,248,.35)}
.doc a:hover{border-bottom-color:var(--accent)}
.doc code{background:var(--panel-2);border:1px solid var(--line-2);border-radius:6px;padding:.1rem .42rem;
  font-size:.88em;color:#cfe8ff}
.back{display:inline-block;margin-top:2.4rem;font-weight:600}

/* link-cards (repo/tool lists in guide) */
.link-cards{list-style:none;padding:0;display:grid;gap:.6rem}
.link-cards li{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:.85rem 1rem;transition:transform .16s,border-color .16s}
.link-cards li:hover{transform:translateX(3px);border-color:var(--line-2)}
.link-cards li a:first-child{font-family:var(--font-display);font-weight:600;color:var(--text);
  border-bottom:0}
.link-cards li a:first-child:hover{color:var(--accent)}

/* Callouts */
.callout{position:relative;border:1px solid var(--line-2);background:var(--panel);border-radius:var(--radius-sm);
  padding:1rem 1.15rem 1rem 1.25rem;margin:1.35rem 0;overflow:hidden}
.callout::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.callout.warn{border-color:#5a3a1a;background:#221a12}
.callout.warn::before{background:var(--warn)}
.callout.warn strong{color:var(--warn)}
.callout.danger{border-color:#5a2222;background:#231314}
.callout.danger::before{background:var(--danger)}
.callout.danger strong{color:#ff8f8f}
.callout p{margin:.35rem 0 0}

/* Video facade */
.video-facade{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-2);cursor:pointer;background:#000;margin:1.75rem 0;box-shadow:var(--shadow);
  width:min(100% + 240px, 94vw, 1060px);left:50%;transform:translateX(-50%)}
.video-facade img{width:100%;height:100%;object-fit:cover;opacity:.82;display:block;transition:opacity .2s,transform .3s}
.video-facade:hover img{opacity:.95;transform:scale(1.02)}
.video-facade iframe{width:100%;height:100%;display:block;border:0}
.video-play{position:absolute;inset:0;margin:auto;width:88px;height:88px;border-radius:50%;border:0;
  background:rgba(0,0,0,.55);color:#fff;font-size:1.9rem;cursor:pointer;line-height:1;
  backdrop-filter:blur(4px);transition:background .18s,transform .18s}
.video-facade:hover .video-play{background:var(--grad);color:#041019;transform:scale(1.06)}
.video-hint{position:absolute;bottom:9px;right:11px;font-size:.72rem;color:#e6edf3;
  background:rgba(0,0,0,.55);padding:.16rem .55rem;border-radius:6px}

/* PDF download card */
.download-card{display:flex;gap:1rem;align-items:center;border:1px solid var(--line-2);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));border-radius:var(--radius);
  padding:1.2rem 1.3rem;margin:1.35rem 0}
.dl-icon{flex:0 0 auto;width:58px;height:58px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:.9rem;background:#3a1f1f;color:#ff8a8a;
  border:1px solid #5a2b2b}
.dl-body{flex:1;min-width:0}
.dl-body strong{color:var(--text)}
.dl-body p{margin:.3rem 0 .8rem}
@media(max-width:480px){.download-card{flex-direction:column;align-items:flex-start}}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-inner{animation:none}
  .hero-video{display:none}
}