/* ==========================================================================
   Chorakademie Göttingen e.V. — Stylesheet
   Leitidee: das Notenlinien-System als durchgängiges Gestaltungsmotiv.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Karla:ital,wght@0,400;0,500;0,700;1,400&display=swap');

:root{
  /* Farben */
  --paper:      #F6F0E2;
  --paper-2:    #EFE6D2;
  --ink:        #22314C;
  --ink-70:     #4B5875;
  --gold:       #B98A2B;
  --gold-soft:  #DCC383;
  --berry:      #A13D4C;
  --berry-dark: #7E2E3A;
  --sage:       #55735C;
  --white:      #FFFEFB;

  /* Typografie */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Karla", -apple-system, "Segoe UI", sans-serif;

  /* Sonstiges */
  --radius: 6px;
  --shadow: 0 8px 24px rgba(34,49,76,.10);
  --staff-gap: 4px;
  --maxw: 1080px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--berry); text-decoration:none; }
a:hover{ text-decoration:underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--gold);
  outline-offset:2px;
}
h1,h2,h3{
  font-family:var(--font-display);
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
h1{ font-size:clamp(2.1rem,4.2vw,3.1rem); letter-spacing:-.01em; }
h2{ font-size:clamp(1.5rem,2.6vw,2rem); }
h3{ font-size:1.15rem; }
p{ margin:0 0 1.1em; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-body); font-weight:700; font-size:.72rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--sage);
  margin-bottom:.6em;
}
.eyebrow::before{ content:"♪"; color:var(--gold); font-size:1rem; }

/* ---------- Notenlinien-Motiv ---------- */
.staff-rule{
  height:14px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--gold) 0, var(--gold) 1px,
    transparent 1px, transparent calc(1px + var(--staff-gap))
  );
  background-size: 100% 14px;
  opacity:.9;
}
.staff-rule--thin{ height:10px; opacity:.55; }

.staff-bg{
  position:relative;
  overflow:hidden;
}
.staff-bg::before{
  content:"";
  position:absolute; inset:0;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--ink) 0, var(--ink) 1px,
    transparent 1px, transparent 26px
  );
  opacity:.05;
  pointer-events:none;
}

/* ---------- Header ---------- */
.site-header{
  background:var(--paper);
  position:sticky; top:0; z-index:40;
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px;
  max-width:var(--maxw); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand__mark{ height:42px; width:auto; flex:0 0 auto; }
.brand__text{ display:flex; flex-direction:column; line-height:1.15; }
.brand__name{
  font-family:var(--font-display); font-weight:700; font-size:1.18rem; color:var(--ink);
}
.brand__sub{ font-size:.72rem; letter-spacing:.06em; color:var(--sage); }

.nav{ display:flex; align-items:center; gap:2px; }
.nav-toggle{
  display:none; background:none; border:2px solid var(--ink); border-radius:var(--radius);
  width:44px; height:40px; cursor:pointer; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:10px; right:10px; height:2px; background:var(--ink);
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

.nav__list{ list-style:none; display:flex; margin:0; padding:0; gap:2px; position:relative; }
.nav__list > li{ position:relative; }
.nav__list > li > a{
  display:block; padding:10px 14px; color:var(--ink); font-weight:700; font-size:.94rem;
  border-radius:var(--radius);
}
.nav__list > li > a:hover, .nav__list > li.is-active > a{
  background:var(--paper-2); text-decoration:none; color:var(--berry);
}
.nav__sub{
  list-style:none; margin:0; padding:8px; position:absolute; left:0; top:100%;
  background:var(--white); border-radius:var(--radius); box-shadow:var(--shadow);
  min-width:220px; display:none; border:1px solid var(--paper-2);
}
.nav__list > li:hover .nav__sub,
.nav__list > li:focus-within .nav__sub{ display:block; }
.nav__sub a{
  display:block; padding:8px 12px; color:var(--ink); font-size:.9rem; font-weight:500; border-radius:4px;
}
.nav__sub a:hover{ background:var(--paper); text-decoration:none; color:var(--berry); }

@media (max-width: 880px){
  .nav-toggle{ display:block; }
  .nav{
    position:fixed; inset:0 0 0 auto; width:min(320px,86vw); height:100vh;
    background:var(--white); box-shadow:var(--shadow);
    transform:translateX(100%); transition:transform .28s ease;
    padding:80px 20px 20px; overflow-y:auto;
  }
  .nav.is-open{ transform:translateX(0); }
  .nav__list{ flex-direction:column; align-items:stretch; }
  .nav__sub{ display:block; position:static; box-shadow:none; border:none; padding-left:12px; }
  .nav-backdrop{ display:none; position:fixed; inset:0; background:rgba(34,49,76,.35); z-index:39; }
  .nav-backdrop.is-open{ display:block; }
}

/* ---------- Hero ---------- */
.hero{ padding:56px 0 64px; }
.hero__grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center;
}
@media (max-width: 860px){ .hero__grid{ grid-template-columns:1fr; } }
.hero__lede{ font-size:1.18rem; color:var(--ink-70); max-width:46ch; }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  background:var(--berry); color:var(--white); font-weight:700;
  padding:13px 24px; border-radius:999px; border:none; cursor:pointer;
  font-family:var(--font-body); font-size:.98rem;
  box-shadow:0 6px 18px rgba(161,61,76,.28);
}
.btn:hover{ background:var(--berry-dark); text-decoration:none; }
.btn--ghost{
  background:transparent; color:var(--ink); border:2px solid var(--ink); box-shadow:none;
  padding:11px 22px;
}
.btn--ghost:hover{ background:var(--ink); color:var(--paper); }

/* Anmeldezettel-Karte */
.note-card{
  background:var(--white); border-radius:2px; box-shadow:var(--shadow);
  padding:26px 26px 22px; transform:rotate(-1.6deg); position:relative;
  border:1px solid var(--paper-2);
}
.note-card::before{
  content:""; position:absolute; top:-14px; left:34px; width:64px; height:26px;
  background:rgba(185,138,43,.35); border:1px solid rgba(185,138,43,.5);
  transform:rotate(-4deg);
}
.note-card h3{ margin-bottom:.3em; }
.note-card__group{
  display:flex; gap:12px; padding:12px 0; border-top:1px dashed var(--paper-2);
}
.note-card__group:first-of-type{ border-top:none; }
.note-card__note{ font-family:var(--font-display); font-size:1.3rem; color:var(--gold); line-height:1; }
.note-card__status{
  margin-top:14px; padding:12px 14px; background:var(--paper); border-left:3px solid var(--berry);
  font-size:.9rem; color:var(--ink-70); border-radius:0 4px 4px 0;
}

/* ---------- Sections / Cards ---------- */
.section{ padding:56px 0; }
.section--tight{ padding:36px 0; }
.section--alt{ background:var(--paper-2); }
.section-head{ max-width:64ch; margin-bottom:32px; }

.card{
  background:var(--white); border:1px solid var(--paper-2); border-radius:var(--radius);
  padding:26px; box-shadow:var(--shadow);
}
.info-card{
  background:var(--white); border-radius:var(--radius); border:1px solid var(--paper-2);
  padding:20px 22px; font-size:.95rem;
}
.info-card dt{ font-weight:700; color:var(--sage); font-size:.75rem; letter-spacing:.06em; text-transform:uppercase; }
.info-card dd{ margin:0 0 12px; }
.info-card dd:last-child{ margin-bottom:0; }

.grid-2{ display:grid; grid-template-columns:2fr 1fr; gap:36px; }
@media (max-width: 780px){ .grid-2{ grid-template-columns:1fr; } }

/* ---------- Stufen-Notenleiter (Signature-Element) ---------- */
.staff-steps{
  position:relative; padding:70px 10px 30px;
}
.staff-steps__lines{
  position:absolute; left:0; right:0; top:70px; height:88px;
  background-image: repeating-linear-gradient(to bottom, var(--gold) 0, var(--gold) 1.5px, transparent 1.5px, transparent 22px);
}
.staff-steps__row{
  position:relative; display:flex; justify-content:space-between; align-items:flex-end;
  height:88px; margin-bottom:14px;
}
.staff-steps__note{
  position:relative; display:flex; flex-direction:column; align-items:center;
  text-decoration:none; color:var(--ink); flex:1;
}
.staff-steps__dot{
  width:22px; height:18px; background:var(--berry); border-radius:50%; transform:rotate(-18deg);
  box-shadow:0 0 0 4px var(--paper);
}
.staff-steps__note:nth-child(1) .staff-steps__dot{ margin-top:66px; }
.staff-steps__note:nth-child(2) .staff-steps__dot{ margin-top:44px; }
.staff-steps__note:nth-child(3) .staff-steps__dot{ margin-top:22px; }
.staff-steps__note:nth-child(4) .staff-steps__dot{ margin-top:0px; }
.staff-steps__stem{
  position:absolute; width:2px; background:var(--berry); bottom:9px;
}
.staff-steps__labels{ display:flex; justify-content:space-between; gap:10px; }
.staff-steps__label{ flex:1; text-align:center; font-size:.88rem; font-weight:700; }
.staff-steps__label span{ display:block; font-weight:400; color:var(--ink-70); font-size:.78rem; margin-top:2px; }
.staff-steps__note:hover .staff-steps__dot{ background:var(--gold); }
.staff-steps__note:hover{ text-decoration:none; }
@media (max-width: 700px){
  .staff-steps__lines, .staff-steps__row{ display:none; }
  .staff-steps__labels{ flex-direction:column; }
  .staff-steps__label{ text-align:left; padding:10px 14px; background:var(--white); border-radius:var(--radius); border:1px solid var(--paper-2); }
}

/* ---------- Listen / Tags ---------- */
.tag{
  display:inline-block; padding:3px 11px; border-radius:999px; font-size:.75rem; font-weight:700;
  background:var(--sage); color:var(--white);
}
.prevnext{
  display:flex; justify-content:space-between; gap:16px; margin-top:44px; padding-top:22px;
  border-top:1px solid var(--paper-2); font-size:.92rem;
}
.prevnext a{ color:var(--ink); font-weight:700; }
.prevnext a:hover{ color:var(--berry); }
.prevnext__dir{ display:block; font-size:.72rem; color:var(--sage); text-transform:uppercase; letter-spacing:.06em; font-weight:700; }

/* ---------- Sponsoren ---------- */
.sponsor-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; }
.sponsor-card{
  background:var(--white); border:1px solid var(--paper-2); border-radius:var(--radius);
  padding:18px 20px;
}
.sponsor-card a{ font-family:var(--font-display); font-weight:600; font-size:1.05rem; }
.sponsor-card p{ margin:.4em 0 0; font-size:.88rem; color:var(--ink-70); }

/* ---------- Formular ---------- */
.form-grid{ display:grid; gap:16px; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-weight:700; font-size:.88rem; }
.form-row .req{ color:var(--berry); }
input[type=text], input[type=email], textarea{
  font-family:var(--font-body); font-size:1rem; padding:11px 13px;
  border:1.5px solid var(--paper-2); border-radius:4px; background:var(--white); color:var(--ink);
  width:100%;
}
textarea{ min-height:140px; resize:vertical; }
.hp-field{ position:absolute; left:-9999px; top:-9999px; }
.form-msg{ padding:14px 16px; border-radius:6px; margin-bottom:22px; font-size:.95rem; }
.form-msg--ok{ background:#E4EEE3; border:1px solid var(--sage); color:#2E4433; }
.form-msg--err{ background:#F4E1E1; border:1px solid var(--berry); color:var(--berry-dark); }

/* ---------- Empty state (Aktuelles) ---------- */
.empty-state{
  text-align:center; padding:60px 24px; background:var(--white); border-radius:var(--radius);
  border:1px dashed var(--gold-soft);
}
.empty-state__note{ font-family:var(--font-display); font-size:2.4rem; color:var(--gold); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:var(--paper); margin-top:40px; }
.site-footer .staff-rule{ opacity:.5; }
.footer__grid{
  display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:32px; padding:44px 0 28px;
}
@media (max-width:780px){ .footer__grid{ grid-template-columns:1fr; } }
.site-footer h3{ color:var(--paper); font-size:.95rem; text-transform:uppercase; letter-spacing:.08em; }
.site-footer a{ color:var(--paper-2); }
.site-footer a:hover{ color:var(--gold-soft); }
.site-footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.footer__bottom{
  border-top:1px solid rgba(246,240,226,.15); padding:18px 0; font-size:.82rem; color:var(--paper-2);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition:none !important; }
}