/* ==========================================================================
   Dance 4 You Konstanz – Stylesheet
   Designrichtung: dunkel, cineastisch, warm/kühle Lichtakzente (siehe phase2_markenanalyse.md)
   ========================================================================== */

:root {
  --c-bg: #0b0b0e;
  --c-surface: #1a1a1f;
  --c-surface-2: #232329;
  --c-burgundy: #7a1f3d;
  --c-burgundy-light: #a53658;
  --c-amber: #c99a4b;
  --c-blue: #3e5c6b;
  --c-text: #f5f1ec;
  --c-text-muted: #b9b3ac;
  --c-border: rgba(245, 241, 236, 0.12);

  --font-display: "Bebas Neue", "Oswald", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --nav-height: 76px;
  --container-w: 1240px;
  --radius: 14px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 0.5em;
}
p { margin: 0 0 1em; color: var(--c-text-muted); }
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-amber);
  color: #16130a;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--c-amber);
  outline-offset: 3px;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 500;
  background: rgba(11, 11, 14, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
}
.nav-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 2.5rem);
}
.logo {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
}
.logo strong { color: var(--c-amber); }

.primary-nav {
  display: flex;
  align-items: center;
}
.primary-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1.1rem, 2.6vw, 2.2rem);
  margin: 0;
  padding: 0;
}
.primary-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--c-text);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease-soft), border-color 0.2s var(--ease-soft);
}
.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] {
  color: var(--c-amber);
  border-color: var(--c-amber);
}
.nav-cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  color: var(--c-text);
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .primary-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease-soft), transform 0.2s var(--ease-soft);
  }
  .primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0;
  }
  .primary-nav li { border-bottom: 1px solid var(--c-border); }
  .primary-nav li:last-child { border-bottom: none; }
  .primary-nav a {
    display: block;
    padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
    border-bottom: none;
  }
  .nav-cta.desktop-only { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--c-burgundy);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--c-text);
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.2s var(--ease-soft), box-shadow 0.2s var(--ease-soft), background 0.2s var(--ease-soft);
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.5s var(--ease-soft);
  z-index: -1;
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 30px -10px rgba(122, 31, 61, 0.65);
}
.btn:hover::after, .btn:focus-visible::after { transform: translateX(120%); }
.btn .arrow { transition: transform 0.2s var(--ease-soft); }
.btn:hover .arrow, .btn:focus-visible .arrow { transform: translateX(4px); }

.btn-secondary {
  --btn-bg: transparent;
  border-color: var(--c-border);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  border-color: var(--c-amber);
  box-shadow: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: clip;
  background: radial-gradient(120% 100% at 15% 20%, rgba(201, 154, 75, 0.16), transparent 55%),
              radial-gradient(90% 90% at 85% 60%, rgba(62, 92, 107, 0.22), transparent 60%),
              var(--c-bg);
}
.hero__bg-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(60% 50% at var(--glow-x, 70%) var(--glow-y, 50%), rgba(122, 31, 61, 0.35), transparent 70%);
  will-change: background-position;
}
.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  min-height: calc(100svh - var(--nav-height));
  padding-block: clamp(2rem, 6vh, 4rem);
}
.hero__copy { max-width: 46ch; }

/* Intro-Einblendung bewusst rein CSS-basiert (kein JS-/Ticker-Risiko):
   funktioniert identisch mit und ohne JavaScript/GSAP. */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__eyebrow,
.hero__title,
.hero__subtitle,
.hero__ctas {
  animation: heroFadeUp 0.8s var(--ease-soft) both;
}
.hero__eyebrow { animation-delay: 0.05s; }
.hero__title { animation-delay: 0.15s; }
.hero__subtitle { animation-delay: 0.3s; }
.hero__ctas { animation-delay: 0.45s; }

.hero__eyebrow {
  display: inline-block;
  color: var(--c-amber);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.hero__title {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: 0.4em;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 42ch;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}
/* Rotating dancer stage */
.hero__stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-inline: auto;
  perspective: 1600px;
  /* Nur Opacity animiert (nicht transform): das JS steuert transform (Pointer-Parallaxe)
     auf diesem Element separat, daher keine CSS-Transform-Animation hier. */
  animation: heroStageFade 1.1s var(--ease-soft) 0.1s both;
}
@keyframes heroStageFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.hero__disc {
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  will-change: transform;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.55));
}
.hero__disc-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  backface-visibility: hidden;
  border: 1px solid rgba(245, 241, 236, 0.14);
}
.hero__disc-face--front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 30%;
}
.hero__disc-face--back {
  transform: rotateY(180deg);
  background:
    radial-gradient(60% 60% at 50% 40%, rgba(201, 154, 75, 0.55), transparent 65%),
    radial-gradient(80% 80% at 50% 60%, var(--c-burgundy) 0%, #2a0f18 70%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__disc-face--back::before {
  content: "";
  width: 46%;
  height: 46%;
  border-radius: 50%;
  border: 2px solid rgba(245, 241, 236, 0.55);
  box-shadow: 0 0 40px 6px rgba(201, 154, 75, 0.35);
}
.hero__stage-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(245, 241, 236, 0.18);
  pointer-events: none;
}
.hero__stage-ring::after {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px solid rgba(201, 154, 75, 0.15);
}

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; text-align: left; }
  .hero__stage { order: -1; max-width: 380px; }
  .hero__copy { max-width: none; }
}
@media (max-width: 480px) {
  .hero__stage { max-width: 280px; }
}

/* ---------- Sections (shared) ---------- */
section { position: relative; padding-block: clamp(4rem, 9vh, 7rem); }
.section-alt { background: linear-gradient(180deg, var(--c-surface), var(--c-bg)); }
.section-head { max-width: 60ch; margin-bottom: clamp(2rem, 5vh, 3rem); }
.section-head .eyebrow {
  color: var(--c-amber);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }

/* Values grid */
.values-grid, .courses-grid, .faq-grid {
  display: grid;
  gap: 1.25rem;
}
.values-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.value-card, .course-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.25s var(--ease-soft), border-color 0.25s var(--ease-soft);
}
.value-card:hover, .course-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-amber);
}
.value-card h3, .course-card h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

.courses-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.course-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-blue);
  background: rgba(62, 92, 107, 0.18);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

/* Pricing table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-surface);
  border-radius: var(--radius);
  overflow: hidden;
}
.pricing-table th, .pricing-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.pricing-table th { color: var(--c-amber); font-family: var(--font-display); letter-spacing: 0.04em; }
.pricing-table tr:last-child td { border-bottom: none; }

/* Show / community banner */
.show-banner {
  border-radius: var(--radius);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  background: linear-gradient(120deg, rgba(122,31,61,0.55), rgba(62,92,107,0.35)), var(--c-surface-2);
  border: 1px solid var(--c-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* FAQ */
.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface);
  overflow: hidden;
}
.faq-item + .faq-item { margin-top: 0.75rem; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--c-amber);
  transition: transform 0.2s var(--ease-soft);
  flex: 0 0 auto;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 1.4rem 1.2rem; margin: 0; }

/* Contact / Maps */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.9rem; }
.contact-list a { text-decoration: none; }
.contact-list a:hover, .contact-list a:focus-visible { color: var(--c-amber); }
.map-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

.calendly-placeholder {
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--c-text-muted);
  background: var(--c-surface);
}

.social-row { display: flex; gap: 0.75rem; margin-top: 1rem; }
.social-row a {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  text-decoration: none;
  font-size: 0.85rem;
  transition: border-color 0.2s, color 0.2s;
}
.social-row a:hover, .social-row a:focus-visible { border-color: var(--c-amber); color: var(--c-amber); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding-block: 3rem 2rem;
  background: var(--c-bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 { font-size: 0.95rem; color: var(--c-amber); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.footer-grid a { text-decoration: none; color: var(--c-text-muted); }
.footer-grid a:hover, .footer-grid a:focus-visible { color: var(--c-amber); }
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--c-text-muted);
}
.legal-note {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  opacity: 0.85;
}

/* ---------- Simple page hero (subpages) ---------- */
.page-hero {
  padding-top: calc(var(--nav-height) + clamp(3rem, 8vh, 5rem));
  padding-bottom: clamp(2rem, 5vh, 3rem);
  background: linear-gradient(180deg, rgba(122,31,61,0.18), transparent);
}
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }

.legal-content h2 { margin-top: 2rem; font-size: 1.3rem; }
.legal-content { max-width: 72ch; }
.draft-banner {
  background: rgba(201, 154, 75, 0.14);
  border: 1px solid rgba(201, 154, 75, 0.4);
  color: var(--c-amber);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 700;
  margin-bottom: 2rem;
}