/* Übungswelt Alphorn – Grundstylesheet für alle Seiten.
   Farbwelt: dunkles Blau (Nacht über dem See), warmes Holz, Abendhimmel; viel Weissraum.
   Schriften: Systemschriften (keine Einbindung von Drittanbietern). */
:root{
  --nacht:#14243b; --nacht-2:#1f3656; --holz:#8a5a2b; --holz-dunkel:#6e451f;
  --abend:#e7a15c; --orange:#c9782f; --abend-hell:#f6d7b0; --papier:#fbf8f3; --sand:#f2ebe1;
  --text:#1b2433; --leise:#5a6474; --linie:#e2d8ca;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --breite:72rem; --rand:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--papier);color:var(--text);font-family:var(--sans);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased;min-width:320px;overflow-x:hidden;overflow-x:clip}
img,video{display:block;max-width:100%;height:auto}
a{color:var(--holz-dunkel);text-underline-offset:.18em}
a:hover{color:var(--holz)}
:focus-visible{outline:3px solid var(--abend);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;color:var(--nacht);margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.gross{font-size:clamp(1.1rem,1.6vw,1.28rem);line-height:1.55}
.leise{color:var(--leise);font-size:.95rem}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--papier);padding:.7rem 1rem}
.skip:focus{left:16px;top:16px}

/* ---------- Hinweisbalken RM ---------- */
.rm-hinweis{margin:0;background:var(--abend-hell);color:var(--nacht);text-align:center;font-size:.85rem;padding:.35rem var(--rand);position:relative;z-index:30}

/* ---------- Kopf ---------- */
/* Glas-Kopf auf allen Seiten: dunkel, halbtransparent, unscharf, oben fixiert (sticky) */
.kopf{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(16,26,46,.86);-webkit-backdrop-filter:blur(10px) saturate(1.2);backdrop-filter:blur(10px) saturate(1.2);color:#fff;border:0}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.kopf{background:rgba(16,26,46,.96)}}
html{scroll-padding-top:calc(var(--kopf-h,76px) + 12px)}
.kopf a{text-shadow:0 1px 4px rgba(0,0,0,.35)}
.kopf-innen{max-width:var(--breite);margin:0 auto;padding:.9rem var(--rand);display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.marke{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:#fff;margin-right:auto}
.marke:hover{color:#fff}
.marke-bild{width:42px;height:42px;flex:none;color:#fff}
.horn-rohr{fill:none;stroke:var(--abend);stroke-width:3.6;stroke-linecap:round}
.horn-becher{fill:var(--abend)}
.marke-text{display:flex;flex-direction:column;line-height:1.05}
.marke-wort{font-family:var(--serif);font-weight:600;font-size:1.3rem;letter-spacing:-.005em}
.marke-region{font-size:.64rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--abend);margin-top:.22rem}
.marke-zeichen{width:34px;height:34px;flex:none;background:url("img/favicon.svg") center/contain no-repeat}
.hauptnav{display:flex;gap:1.4rem;order:2}
.hauptnav a{text-decoration:none;color:#fff;font-weight:500;padding:.3rem 0;border-bottom:2px solid transparent}
.hauptnav a:hover{color:#fff}
.hauptnav a:hover{border-color:var(--abend)}
.hauptnav a[aria-current="page"]{border-color:var(--abend)}
.sprachen{order:3;display:flex;align-items:center;gap:.35rem;font-size:.85rem;letter-spacing:.04em}
.sprachen a{text-decoration:none;color:#fff;opacity:.8;padding:.2rem .15rem}
.sprachen a:hover{color:#fff}
.sprachen a:hover{opacity:1}
.sprachen a[aria-current="true"]{opacity:1;font-weight:700;border-bottom:2px solid var(--abend)}
.sprachen span{opacity:.5}
.menu-knopf{display:none;order:2;align-items:center;gap:.5rem;font:inherit;font-weight:600;background:none;border:1px solid currentColor;border-radius:999px;padding:.35rem .9rem;color:inherit;cursor:pointer}
.menu-strich,.menu-strich::before{display:block;width:16px;height:2px;background:currentColor;position:relative}
.menu-strich::before{content:"";position:absolute;top:5px}
.menu-strich{top:-2px}

/* Startseite: Hero beginnt unter dem Glas-Kopf */

@media (max-width:880px){
  .menu-knopf{display:inline-flex}
  .sprachen{order:1;width:auto}
  .hauptnav{order:4;display:none;width:100%;flex-direction:column;gap:0;padding:.5rem 0 1rem}
  .hauptnav a{padding:.8rem 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:1.1rem}
  .menu-offen .hauptnav{display:flex}
  .marke{width:100%;margin-right:0}
  .marke-bild{width:36px;height:36px}
  .marke-wort{font-size:1.15rem}
  .kopf-innen{justify-content:space-between}
}

/* ---------- Bänder und Spalten ---------- */
.band{padding:clamp(48px,8vw,104px) 0}
.band-sand{background:var(--sand)}
.band-dunkel{background:var(--nacht);color:#eef1f6}
.band-dunkel h2{color:#fff}
.band-dunkel a:not(.knopf){color:var(--abend-hell)}
.spalte{max-width:var(--breite);margin:0 auto;padding:0 var(--rand)}
.spalte.schmal{max-width:48rem}
.spalte.breit{max-width:84rem}
.mitte{text-align:center}
.zwei{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,72px);align-items:center}
.zwei-umgekehrt{grid-template-columns:.9fr 1.1fr}
@media (max-width:820px){.zwei,.zwei-umgekehrt{grid-template-columns:1fr}}
figure{margin:0}
figure img{border-radius:6px}
.bild-hoch img{max-height:640px;width:100%;object-fit:cover}
.breitbild img{width:100%;max-height:70vh;object-fit:cover;border-radius:0}
.seitenkopf{padding:clamp(56px,9vw,120px) 0 clamp(24px,4vw,48px)}
.seitenkopf h1{max-width:18ch}
.unterzeile{font-family:var(--sans);font-size:.85rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--holz)}

/* ---------- Knöpfe und Links ---------- */
.knopf{display:inline-block;background:var(--holz);color:#fff;text-decoration:none;font-weight:600;padding:.85rem 1.5rem;border-radius:999px;border:0;font:inherit;font-weight:600;cursor:pointer;transition:background .2s}
.knopf:hover{background:var(--holz-dunkel);color:#fff}
.knopf-hell{background:var(--abend);color:var(--nacht)}
.knopf-hell:hover{background:#f0b778;color:var(--nacht)}
.knoepfe{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.6rem;margin-top:1.6rem}
.pfeil{font-weight:600;text-decoration:none;color:var(--holz-dunkel)}
.pfeil::after{content:" \2192";transition:margin .2s}
.pfeil:hover::after{margin-left:.25rem}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:calc(100vh - var(--kopf-h,76px));display:flex;align-items:flex-end;color:#fff;background:linear-gradient(rgba(16,26,46,.25),rgba(16,26,46,.25)),url("video/loop_abend_7934_poster.jpg") center/cover no-repeat #0d1828;overflow:hidden}
@supports (min-height:100svh){.hero{min-height:calc(100svh - var(--kopf-h,76px))}}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.78)}
/* Scrim: unten kräftig, damit Titel und Text auf jedem Bildausschnitt lesbar bleiben (Kontrast ≥ 4.5:1) */
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,26,46,0) 12%,rgba(16,26,46,.55) 32%,rgba(16,26,46,.84) 50%,rgba(16,26,46,.92) 100%)}
.hero-text{position:relative;z-index:1;max-width:var(--breite);width:100%;margin:0 auto;padding:0 var(--rand) clamp(48px,10vh,110px)}
.hero h1{color:#fff;font-size:clamp(2.4rem,6vw,4.6rem);max-width:20ch;text-shadow:0 2px 4px rgba(0,0,0,.45),0 2px 24px rgba(0,0,0,.5)}
.hero p{max-width:36rem;font-size:clamp(1.05rem,1.6vw,1.3rem);text-shadow:0 1px 3px rgba(0,0,0,.6),0 1px 12px rgba(0,0,0,.45)}
.hero .knopf{text-shadow:none;box-shadow:0 2px 12px rgba(0,0,0,.35)}
@media (max-width:600px){
  .hero h1{font-size:2.05rem;line-height:1.12}
  .hero p{font-size:1rem}
  .hero::after{background:linear-gradient(180deg,rgba(16,26,46,0) 18%,rgba(16,26,46,.6) 40%,rgba(16,26,46,.88) 58%,rgba(16,26,46,.94) 100%)}
}

/* ---------- Termine ---------- */
.termine{list-style:none;margin:0 0 1.5rem;padding:0;border-top:1px solid var(--linie)}
.termin{display:grid;grid-template-columns:13rem 1fr;gap:.3rem 1.5rem;padding:1.1rem 0;border-bottom:1px solid var(--linie)}
.termin time{font-weight:700;color:var(--nacht);font-variant-numeric:tabular-nums}
.termin-text{display:flex;flex-direction:column}
.termin-text strong{font-family:var(--serif);font-size:1.2rem;color:var(--nacht)}
.termin-art{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--holz);margin-top:.2rem}
@media (max-width:600px){.termin{grid-template-columns:1fr}}
.archiv summary{cursor:pointer;font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--nacht);font-weight:600;margin-bottom:1rem}
.archiv .termin{opacity:.8}

/* ---------- Bildstreifen und Galerie ---------- */
.streifen{list-style:none;margin:1.5rem 0 2rem;padding:0 var(--rand);display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.streifen img{aspect-ratio:3/4;object-fit:cover;width:100%;height:100%;border-radius:6px}
@media (max-width:700px){.streifen{grid-template-columns:repeat(2,1fr)}}
.galerie{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.galerie a{display:block;overflow:hidden;border-radius:6px}
.galerie img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .4s}
.galerie a:hover img{transform:scale(1.03)}
.galerie figcaption{font-size:.8rem;color:var(--leise);padding:.35rem .1rem 0}
.video-block{width:100%;border-radius:6px;background:#000;margin-bottom:.8rem}
.leise-hell{color:#c5ccd8;font-size:.95rem}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,14,24,.94);display:flex;align-items:center;justify-content:center;padding:56px 12px}
.lightbox[hidden]{display:none}
.lightbox figure{max-width:min(1400px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center}
.lightbox img{max-height:calc(100vh - 150px);width:auto;border-radius:4px}
.lightbox figcaption{color:#dfe4ec;font-size:.9rem;margin-top:.7rem}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:48px;height:48px;border-radius:50%;font-size:1.6rem;line-height:1;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.25)}
.lb-zu{top:12px;right:12px}
.lb-zurueck{left:12px;top:50%;transform:translateY(-50%)}
.lb-vor{right:12px;top:50%;transform:translateY(-50%)}
.lb-offen{overflow:hidden}

/* ---------- Mitspielen ---------- */
.schritte{list-style:none;counter-reset:s;margin:0;padding:0}
.schritte li{counter-increment:s;position:relative;padding:0 0 1.4rem 3.4rem}
.schritte li::before{content:counter(s);position:absolute;left:0;top:-.1rem;width:2.3rem;height:2.3rem;border-radius:50%;background:var(--nacht);color:var(--abend-hell);font-family:var(--serif);font-weight:600;display:flex;align-items:center;justify-content:center}
.schritte h3{margin-bottom:.25rem}
.faq details{border-bottom:1px solid var(--linie);padding:1rem 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.08rem;color:var(--nacht);list-style:none;position:relative;padding-right:2rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:-.1rem;font-size:1.4rem;color:var(--holz)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:.7rem 0 0}

/* ---------- Über uns ---------- */
.leitung{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.leitung li{background:#fff;border:1px solid var(--linie);border-top:4px solid var(--abend);border-radius:6px;padding:1.3rem 1.3rem .6rem}
.leitung p{margin:0 0 .6rem}
.leitung-name{font-family:var(--serif);font-size:1.3rem;font-weight:600;color:var(--nacht)}
.mitglieder{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.2rem 1.5rem}
.mitglieder li{padding:.55rem 0;border-bottom:1px solid var(--linie);display:flex;justify-content:space-between;gap:1rem}

/* ---------- Kontakt ---------- */
.kontakt-raster{display:grid;grid-template-columns:1.4fr .8fr;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:820px){.kontakt-raster{grid-template-columns:1fr}}
.formular{background:#fff;border:1px solid var(--linie);border-radius:8px;padding:clamp(20px,4vw,40px);scroll-margin-top:20px}
.feld label{display:block;font-weight:600;margin-bottom:.3rem}
.feld input,.feld select,.feld textarea{width:100%;font:inherit;color:var(--text);background:var(--papier);border:1px solid #cfc4b4;border-radius:6px;padding:.7rem .8rem}
.feld input:focus,.feld select:focus,.feld textarea:focus{outline:2px solid var(--abend);border-color:var(--abend)}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem}
.check input{margin-top:.3rem;width:1.1rem;height:1.1rem;flex:none}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.kontakt-seite h2{font-size:1.25rem;margin-top:1.4rem}
.kontakt-seite h2:first-child{margin-top:0}

/* Kontaktseite: weniger Abstand zwischen Einleitung und Formular */
.seite-kontakt .seitenkopf{padding-bottom:0}
.einleitung{max-width:40rem}
.seite-kontakt .seitenkopf + .band{padding-top:clamp(20px,3vw,36px)}
.flyer-raster{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.flyer-bild img{width:100%;border-radius:6px;box-shadow:0 10px 30px rgba(20,36,59,.18)}
.flyer-links{line-height:2.6}
@media (max-width:700px){.flyer-raster{grid-template-columns:1fr}.flyer-bild{max-width:300px}}

/* ---------- Rechtliches ---------- */
.recht h2{margin-top:2.2rem}
.recht h3{margin-top:1.6rem;font-family:var(--sans);font-size:1.05rem}
.hinweis-vorschau{background:var(--abend-hell);padding:1rem 1.2rem;border-radius:6px}
.stand{color:var(--leise);margin-top:2rem}

/* ---------- Fuss ---------- */
.fuss{background:var(--nacht);color:#c9d1dd;padding:56px 0 28px;font-size:.95rem}
.fuss a{color:#fff}
.fuss h2{font-family:var(--sans);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--abend);margin-bottom:.8rem}
.fuss-raster{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px}
.fuss-name{font-family:var(--serif);font-size:1.2rem;color:#fff;margin-bottom:.5rem}
.fuss-klein{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:#93a0b3}

/* ---------- Sprachwahl und Danke ---------- */
.sprachwahl{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 16px;text-align:center;background:var(--nacht);color:#fff}
.sprachwahl ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.sprachwahl a{display:inline-block;color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:.6rem 1.2rem;text-decoration:none}
.sprachwahl a:hover{background:rgba(255,255,255,.1)}
.marke-gross{display:flex;align-items:center;gap:.7rem;font-family:var(--serif);font-size:1.6rem;margin-bottom:2rem}
.danke section{max-width:34rem;margin-bottom:1.6rem}
.danke section:not(:first-of-type){opacity:.7;font-size:.92rem}
.danke h1{color:#fff;font-size:1.6rem}
.danke section:not(:first-of-type) h1{font-size:1.15rem}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.kopf,.fuss,.hero-video,.lightbox{display:none}.hero{min-height:auto;color:var(--text);background:none}.hero h1{color:var(--text)}}

/* Hörprobe, Hinweis intern */
.hoerprobe{list-style:none;margin:0 0 1rem;padding:0}
.hoerprobe li{padding:.8rem 0;border-bottom:1px solid var(--linie)}
.hoerprobe-titel{margin:0 0 .4rem;font-weight:600;color:var(--nacht)}
.hoerprobe audio{width:100%;max-width:32rem}
.intern-hinweis{margin-top:1.4rem}