/* =============================================================
   Hochfrequenz-Universum — Eingang
   Layout: 1fr (Bildbereich) + 36px Footer-Bar
   ============================================================= */
:root {
  --gold:        #d4a64a;
  --gold-bright: #e6b961;
  --gold-soft:   rgba(212,166,74,0.55);
  --gold-tint:   rgba(212,166,74,0.12);
  --bg-deep:     #08090a;
  --bg-bar:      #050505;
  --bg-mute:     #11120e;
  --text:        #ede4cd;
  --text-soft:   #b4ac99;
  --text-mute:   #8a8475;
  --border:      rgba(212,166,74,0.18);
  --border-strong: rgba(212,166,74,0.35);
  --frost-bg:    rgba(14,15,11,0.78);
  --r-md:        12px;
  --r-pill:      999px;
  --t-fast:      150ms;
  --t-norm:      260ms;
  --t-slow:      900ms;
  --footer-h:    36px;
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display:'Cinzel', 'Times New Roman', serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  height: 100%; height: 100dvh;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  overscroll-behavior: none;
}
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

body {
  display: grid;
  grid-template-rows: 1fr var(--footer-h);
}

/* === BG Particles + Lightcone =================================== */
.bg-particles {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(230,185,97,0.85) 1.2px, transparent 2px),
    radial-gradient(circle, rgba(177,194,117,0.55) 1px, transparent 2px),
    radial-gradient(circle, rgba(212,166,74,0.45) 0.8px, transparent 1.6px),
    radial-gradient(circle, rgba(126,200,200,0.25) 0.6px, transparent 1.4px);
  background-size: 220px 220px, 300px 300px, 400px 400px, 560px 560px;
  background-position: 0 0, 60px 80px, 140px 200px, 220px 320px;
  opacity: 0.35;
  animation: drift 42s linear infinite;
}
@keyframes drift {
  0%   { background-position: 0 0, 60px 80px, 140px 200px, 220px 320px; }
  100% { background-position: 360px 360px, 520px 540px, 720px 780px, 900px 1000px; }
}
.bg-lightcone {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(212,166,74,0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 80% 70%, rgba(126,200,200,0.06), transparent 60%);
  mix-blend-mode: screen;
  animation: cone 18s ease-in-out infinite alternate;
}
@keyframes cone {
  0%   { transform: translate(0, 0) scale(1);     opacity: 0.7; }
  50%  { transform: translate(2%, -1%) scale(1.04); opacity: 1; }
  100% { transform: translate(-1%, 2%) scale(0.98); opacity: 0.8; }
}
@media (prefers-reduced-motion: reduce) {
  .bg-particles, .bg-lightcone { animation: none !important; }
}

/* === Stage (Bildbereich, schließt unten an Footer-Bar an) ======== */
.stage {
  position: relative;
  grid-row: 1;
  overflow: hidden;
  z-index: 10;
  /* Wenn ein Sub-Element absolute Position hat, nimmt es .stage als reference */
}
.slides {
  position: absolute; inset: 0;
  list-style: none; margin: 0; padding: 0;
}
.slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity var(--t-slow) ease-in-out;
  pointer-events: none;
}
.slide.is-active { opacity: 1; pointer-events: auto; }
.slide picture { display: block; width: 100%; height: 100%; }
.slide img {
  width: 100%; height: 100%;
  /* Bild bündig unten — wenn der Stage-Bereich höher als das Bild-Aspect-Ratio ist,
     wird oben weggeschnitten, unten bleibt das Bild voll sichtbar. */
  object-fit: cover;
  object-position: center bottom;
  display: block;
}

/* === Navigation Overlay (UNTEN im Stage, ÜBER dem Bild) ========== */
.nav {
  position: absolute; left: 0; right: 0; bottom: 24px;
  z-index: 30;
  display: flex; align-items: center; justify-content: center;
  gap: 14px;
  padding: 0 16px;
  pointer-events: none;
}
.nav > * { pointer-events: auto; }

.nav-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  background: rgba(8,9,7,0.72);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  backdrop-filter: blur(10px) saturate(1.3);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  transition: all var(--t-fast);
}
.nav-btn:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
  background: rgba(20,18,12,0.84);
  box-shadow: 0 0 16px -4px var(--gold-soft);
}
.nav-btn__arrow { font-size: 18px; line-height: 1; opacity: 0.7; }
.nav-btn:hover .nav-btn__arrow { opacity: 1; }
.nav-btn[disabled] { opacity: 0.45; pointer-events: none; }

/* Eintreten-Button (Mitte) */
.enter-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 28px;
  background: linear-gradient(135deg, rgba(212,166,74,0.20), rgba(212,166,74,0.06) 60%), rgba(14,12,8,0.86);
  border: 1.5px solid var(--gold);
  border-radius: var(--r-pill);
  color: var(--gold-bright);
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 0 0 1px rgba(212,166,74,0.15), 0 8px 24px -8px var(--gold-soft), 0 0 32px -10px var(--gold-soft);
  transition: all var(--t-fast);
  animation: enterPulse 4.2s ease-in-out infinite;
}
.enter-btn:hover {
  transform: translateY(-1px);
  border-color: var(--gold-bright);
  box-shadow: 0 0 0 1px rgba(230,185,97,0.30), 0 12px 32px -6px var(--gold-soft), 0 0 50px -6px var(--gold-soft);
  animation: none;
}
.enter-btn__logo {
  width: 24px; height: 24px;
  filter: drop-shadow(0 0 6px var(--gold-soft));
}
.enter-btn__txt { white-space: nowrap; }

@keyframes enterPulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(212,166,74,0.15), 0 8px 24px -8px var(--gold-soft), 0 0 32px -10px var(--gold-soft); }
  50%      { box-shadow: 0 0 0 1px rgba(230,185,97,0.25), 0 10px 28px -6px var(--gold-soft), 0 0 44px -6px var(--gold-soft); }
}

/* Dot-Indicators */
.dots {
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 6px; z-index: 29;
  display: flex; gap: 6px;
  pointer-events: none;
}
.dot {
  width: 18px; height: 2px;
  background: rgba(212,166,74,0.30);
  border-radius: 2px;
  transition: background var(--t-norm), width var(--t-norm);
}
.dot.is-active {
  background: var(--gold-bright);
  width: 28px;
  box-shadow: 0 0 8px -1px var(--gold-soft);
}

/* === Footer-Bar — schwarz, dünn, UNTER dem Bild ==================== */
.footer {
  grid-row: 2;
  background: var(--bg-bar);
  border-top: 1px solid rgba(212,166,74,0.10);
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
  padding: 0 16px;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.06em;
  z-index: 60;
}
.footer__link {
  background: transparent;
  border: 0;
  color: var(--text-mute);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 6px 8px;
  transition: color var(--t-fast);
}
.footer__link:hover { color: var(--gold-bright); }
.footer__sep { opacity: 0.4; }

/* === Popups ======================================================== */
.popup-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--t-norm);
  pointer-events: none;
}
.popup-backdrop:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.popup {
  position: fixed; left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  z-index: 101;
  width: min(460px, 94vw);
  max-height: calc(100dvh - 40px);
  margin: 0; padding: 28px 26px 22px;
  background: linear-gradient(165deg, rgba(28,28,20,0.96) 0%, rgba(15,15,11,0.98) 100%);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  box-shadow: 0 24px 64px -20px rgba(0,0,0,0.85), 0 0 100px -30px var(--gold-soft);
  color: var(--text);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  flex-direction: column;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-norm), transform var(--t-norm) cubic-bezier(.22,.94,.34,1.10);
  overflow: hidden;          /* Standard: popup selbst scrollt NICHT */
}
.popup[open] {
  display: flex;
  opacity: 1; pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}
.popup::before {
  content: ""; position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.6;
}
.popup__close {
  position: absolute; top: 12px; right: 14px;
  width: 32px; height: 32px;
  background: rgba(13,14,12,0.7);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-soft);
  font-size: 22px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all var(--t-fast);
  z-index: 2;
}
.popup__close:hover { border-color: var(--gold); color: var(--gold-bright); background: var(--gold-tint); }

.popup__header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-shrink: 0; }
.popup__header img { border-radius: 50%; filter: drop-shadow(0 0 8px var(--gold-soft)); }
.popup__header h2 {
  font-family: var(--font-display);
  font-size: 20px; font-weight: 600;
  margin: 0; color: var(--gold-bright);
  letter-spacing: 0.02em;
}

.popup__body { font-size: 14px; line-height: 1.6; color: var(--text-soft); }
.popup__body p { margin: 0 0 10px; }
.popup__body strong { color: var(--text); font-weight: 600; }
.popup__body em { color: var(--text-mute); font-style: italic; font-size: 12.5px; }
.popup__body .muted { color: var(--text-mute); font-size: 12.5px; font-style: italic; }
.popup__body h3 {
  font-family: var(--font-display);
  font-size: 14px; color: var(--gold-bright);
  margin: 18px 0 6px;
  letter-spacing: 0.02em;
}
.popup__body h3:first-child { margin-top: 4px; }
.popup__body--scroll {
  overflow-y: auto;
  padding-right: 8px;
  flex: 1 1 auto;
  min-height: 0;
}

/* Text-Popups dürfen breiter sein */
.popup--text { width: min(560px, 94vw); }

/* === AUTH-Popup speziell: KEIN Scroll, beide Forms in selbem Container, abwechselnd visible. */
.popup--auth { width: min(440px, 94vw); }
.popup--auth [data-tab-panel] { display: none; }
.popup--auth [data-tab-panel].is-active { display: flex; }

/* Auth-Tabs */
.popup__tabs {
  display: flex; gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  background: rgba(10,11,8,0.6);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  flex-shrink: 0;
}
.popup__tab {
  flex: 1;
  padding: 8px 16px;
  background: transparent;
  border: 0; border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em;
  transition: all var(--t-fast);
}
.popup__tab.is-active {
  background: linear-gradient(135deg, rgba(212,166,74,0.22), rgba(212,166,74,0.08));
  color: var(--gold-bright);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.auth-form { display: flex; flex-direction: column; gap: 11px; }
.auth-form__lead {
  font-size: 12.5px;
  color: var(--text-soft);
  line-height: 1.45;
  margin: 0 0 4px;
}
.auth-form__lead strong { color: var(--gold-bright); }

.field { display: flex; flex-direction: column; gap: 4px; }
.field span { font-size: 11px; color: var(--text-mute); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.field small { color: var(--text-mute); text-transform: none; letter-spacing: 0; font-size: 10px; }
.field input {
  padding: 11px 14px;
  background: rgba(8,9,7,0.78);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field input:focus {
  outline: 0;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-tint);
}

.check {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12.5px;
  color: var(--text-soft);
  line-height: 1.4;
  margin: 2px 0;
}
.check input { margin-top: 3px; accent-color: var(--gold); flex-shrink: 0; }
.inline-link {
  background: transparent; border: 0; padding: 0;
  color: var(--gold-bright); text-decoration: underline; cursor: pointer;
  font: inherit;
}

.primary-btn {
  margin-top: 4px;
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  border: 1px solid var(--gold-bright);
  border-radius: var(--r-pill);
  color: #1a1208;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  box-shadow: 0 6px 20px -4px var(--gold-soft);
  transition: all var(--t-fast);
}
.primary-btn:hover { filter: brightness(1.05); transform: translateY(-1px); box-shadow: 0 8px 24px -4px var(--gold-soft); }
.primary-btn[disabled] { opacity: 0.5; pointer-events: none; }

.secondary-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--t-fast);
}
.secondary-btn:hover { border-color: var(--gold); color: var(--gold-bright); }

.form-msg {
  font-size: 12.5px;
  color: var(--text-mute);
  margin: 4px 0 0;
  min-height: 16px;
}
.form-msg[data-state="ok"]  { color: #b6e5b6; }
.form-msg[data-state="err"] { color: #ff9aa8; }

/* === Mobile-Tuning ================================================ */
@media (max-width: 720px) {
  :root { --footer-h: 32px; }
  .nav { bottom: 18px; gap: 8px; padding: 0 12px; flex-wrap: nowrap; }
  .nav-btn { padding: 8px 12px; font-size: 11.5px; }
  .enter-btn { padding: 12px 18px; font-size: 12px; gap: 8px; }
  .enter-btn__logo { width: 20px; height: 20px; }
  .dots { bottom: 6px; }
  .footer { font-size: 10.5px; }
  .footer__link { font-size: 10.5px; padding: 4px 4px; }
  .popup { padding: 22px 18px 18px; width: min(94vw, 420px); max-height: calc(100dvh - 32px); }
  .popup__header h2 { font-size: 18px; }
}
@media (max-width: 380px) {
  .nav-btn__txt { font-size: 10.5px; }
  .enter-btn__txt { font-size: 11px; letter-spacing: 0.06em; }
}

/* === A11y / Focus ================================================= */
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}