@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Montserrat:wght@500;600;700&display=swap');

:root{
  --blue:#0072BD;
  --blue-dark:#045A96;
  --blue-pale:#EAF4FC;
  --ink:#20242A;
  --ink-muted:#5B6167;
  --border:rgba(32,36,42,0.14);
  --bg:#FFFFFF;
  --bg-alt:#F4F7FA;
  --green:#2E9E4F;
  --green-dark:#227A3C;
  --font-body:'Lato',Arial,sans-serif;
  --font-display:'Montserrat',Arial,sans-serif;
  --radius:10px;
  --shadow:0 2px 10px rgba(20,30,40,0.08);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;}
img{max-width:100%;display:block;}
a{color:var(--blue);}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:clamp(20px,4vw,48px);}

h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.2;margin:0 0 .5em;color:var(--ink);}
h1{font-size:clamp(1.9rem,4vw,2.6rem);}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--blue);}
h3{font-size:1.2rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
.lede{font-size:1.1rem;color:var(--ink-muted);max-width:64ch;}

.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-display);font-weight:600;font-size:.95rem;padding:.85em 1.6em;border-radius:6px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background-color .2s ease,border-color .2s ease,transform .15s ease,opacity .2s ease;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);}
.btn-success{background:var(--green);color:#fff;}
.btn-success:hover{background:var(--green-dark);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--blue);}
.btn-outline:hover{background:var(--blue-pale);}
.btn[disabled],.btn.is-hidden{display:none;}
.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;box-shadow:none;transform:none;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);}
.header-row{display:flex;align-items:center;gap:20px;padding-block:14px;}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;flex:1 1 auto;min-width:0;}
.brand img{height:46px;width:auto;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-city{font-family:var(--font-display);font-weight:700;font-size:1.02rem;color:var(--ink);}
.brand-tag{font-size:.82rem;color:var(--ink-muted);}
.lang-switch{display:flex;gap:4px;flex:none;}
.lang-switch a{font-family:var(--font-display);font-weight:600;font-size:.78rem;letter-spacing:.03em;text-decoration:none;color:var(--ink-muted);padding:.5em .65em;border-radius:6px;transition:background-color .2s,color .2s;}
.lang-switch a:hover{background:var(--blue-pale);color:var(--blue);}
.lang-switch a[aria-current="true"]{background:var(--blue);color:#fff;}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url('../img/hero-rathaus.jpg');background-size:cover;background-position:center 60%;}
.hero-tint{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,12,15,.2) 0%,rgba(10,12,15,.08) 45%,rgba(10,12,15,0) 100%);}
.hero-inner{position:relative;z-index:2;padding-block:clamp(56px,10vw,96px);max-width:46ch;}
.hero h1{color:#fff;margin-bottom:.4em;text-shadow:0 2px 8px rgba(0,0,0,.75),0 1px 3px rgba(0,0,0,.9);}
.hero .lede{color:#F3F5F7;text-shadow:0 1px 6px rgba(0,0,0,.8),0 1px 2px rgba(0,0,0,.9);}

/* ---------- intro ---------- */
.intro{padding-block:clamp(40px,6vw,64px);}
.intro h2{margin-bottom:.6em;}
.intro p{color:var(--ink-muted);max-width:76ch;}

/* ---------- venue sections ---------- */
.venue{padding-block:clamp(36px,6vw,60px);border-top:1px solid var(--border);}
.venue:nth-child(even){background:var(--bg-alt);}
.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start;}
@media (max-width:900px){.venue-grid{grid-template-columns:1fr;}}
.venue-body h2{margin-bottom:.5em;}
.venue-body p{color:var(--ink-muted);}
.venue-cta{margin-top:22px;}
.venue-frame{position:relative;aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);background:var(--bg-alt);}
.venue-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.venue-order-2 .venue-body{order:2;}
@media (min-width:901px){.venue:nth-child(odd) .venue-frame{order:2;}}

/* ---------- prose pages (datenschutz / impressum / agree) ---------- */
.page-header{background:var(--blue-pale);padding-block:clamp(36px,6vw,56px);border-bottom:1px solid var(--border);}
.page-header h1{color:var(--blue);margin-bottom:0;}
.prose-section{padding-block:clamp(32px,5vw,52px);}
.prose{max-width:74ch;}
.prose h3{color:var(--blue);margin-top:1.6em;}
.prose p{color:var(--ink-muted);}
.prose strong{color:var(--ink);}

/* ---------- agree page ---------- */
.agree-notice{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:24px clamp(20px,4vw,32px);margin-top:24px;}
.agree-notice p{color:var(--ink-muted);}
.agree-consent{display:flex;align-items:flex-start;gap:12px;font-weight:700;color:var(--ink);margin-top:1.6em;cursor:pointer;}
.agree-consent input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--blue);cursor:pointer;}
.agree-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;align-items:center;}
.agree-hint{font-size:.85rem;color:var(--ink-muted);margin-top:10px;}

/* ---------- footer ---------- */
.site-footer{background:#12212E;color:#C7D2DA;padding-block:clamp(36px,6vw,52px) 26px;margin-top:0;}
.footer-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;}
.footer-brand{display:inline-flex;background:#fff;border-radius:8px;padding:8px 14px;}
.footer-brand img{height:36px;}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;font-size:.92rem;}
.footer-links a{color:#C7D2DA;text-decoration:none;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-copy{font-size:.85rem;color:#8FA0AC;}
.footer-copy a{color:#8FA0AC;text-decoration:none;}
.footer-copy a:hover{color:#fff;}
.footer-bottom{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:#8FA0AC;}

/* ---------- back to top ---------- */
.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:70;}
.back-to-top.is-visible{opacity:1;pointer-events:auto;}
.back-to-top:hover{transform:translateY(-3px);}
.back-to-top svg{width:20px;height:20px;}

/* ---------- mobile nav ---------- */
@media (max-width:640px){
  .header-row{flex-wrap:wrap;}
  .brand img{height:38px;}
  .brand-city{font-size:.92rem;}
  .lang-switch{width:100%;justify-content:flex-start;order:3;padding-top:6px;border-top:1px solid var(--border);margin-top:10px;}
  .footer-row{flex-direction:column;align-items:flex-start;}
}