/* ── Wissenschafts-Overlays ─────────────────────── */
.wissen-modal {
  position: fixed; inset: 0; z-index: 9999;
  /* Kein display:none → Google indexiert Inhalt mit vollem Gewicht.
     backdrop-filter und background nur im .open-State, sonst würde
     blur(6px) permanent auf den Seiteninhalt angewendet. */
  display: flex; align-items: flex-start; justify-content: center;
  padding: 1.5rem; overflow-y: auto;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.wissen-modal.open {
  opacity: 1; pointer-events: auto;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(6px);
}
.wissen-modal-card {
  background: var(--brand-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); max-width: 640px; width: 100%;
  margin: auto; position: relative; padding: 2rem 2.5rem;
}
@media (max-width: 640px) { .wissen-modal-card { padding: 1.5rem 1.25rem; } }
.wissen-modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-subtle);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  transition: background 0.15s;
}
.wissen-modal-close:hover { background: rgba(255,255,255,0.14); }
.wissen-modal-h { font-size: 1.2rem; font-weight: 800; margin-bottom: 0.2rem; padding-right: 2.5rem; }
.wissen-modal-sub { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1.75rem; }
.wissen-fact { background: var(--brand-card2); border-radius: var(--radius-md); padding: 1rem 1.25rem; margin: 1rem 0; }
.wissen-fact-label { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--teal-light); margin-bottom: 0.5rem; }
.wissen-fact-text { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.65; }
.wissen-modal table { width: 100%; font-size: 0.8rem; border-collapse: collapse; margin: 0.25rem 0; }
.wissen-modal th { text-align: left; color: var(--teal-light); font-size: 0.67rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 0 0.5rem 0.4rem 0; border-bottom: 1px solid var(--border-subtle); }
.wissen-modal td { padding: 0.4rem 0.5rem 0.35rem 0; color: var(--text-secondary); vertical-align: top; border-bottom: 1px solid oklch(1 0 0 / 0.03); }
.wissen-modal td:first-child { color: var(--text-primary); font-weight: 600; white-space: nowrap; padding-right: 0.75rem; }
.wissen-cite { font-size: 0.72rem; color: var(--text-muted); font-style: italic; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-subtle); }
.wissen-chain { display: flex; align-items: center; flex-wrap: wrap; gap: 0.4rem; margin: 0.5rem 0; font-size: 0.8rem; }
.wissen-chain-item { background: var(--brand-bg); border: 1px solid var(--border-medium); border-radius: var(--radius-sm); padding: 0.2rem 0.6rem; font-weight: 600; }
.wissen-chain-item.reactive { border-color: var(--teal-border); color: var(--teal-light); }
.wissen-chain-arrow { color: var(--text-muted); font-size: 0.75rem; }
.wissen-deepen-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.78rem; font-weight: 700; color: var(--interactive);
  background: none; border: none; cursor: pointer; padding: 0;
  margin-top: 0.875rem; transition: opacity 0.15s;
}
.wissen-deepen-btn:hover { opacity: 0.75; }

/* ── Lightbox-Trigger: sichtbares Zoom-Signal ────── */
[onclick*="openLightbox"] { position: relative; cursor: pointer; }
[onclick*="openLightbox"]::after {
  content: "";
  position: absolute; top: 0.5rem; right: 0.5rem;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background-color: var(--interactive);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f1de' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cline x1='21' y1='21' x2='16.5' y2='16.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 0.95rem;
  box-shadow: 0 2px 8px oklch(0.22 0.04 253 / 0.30);
  opacity: 0.9; pointer-events: none; z-index: 3;
  transition: transform 0.2s, opacity 0.2s;
}
[onclick*="openLightbox"]:hover::after { transform: scale(1.12); opacity: 1; }


/* ── Nutzertyp-Chips ─────────────────────────────── */
.uc-chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--teal-surface); border: 1px solid var(--teal-border);
  color: var(--teal-light); border-radius: 9999px;
  padding: 0.25rem 0.75rem; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.05em;
}

/* ── Use-Case-Überschrift ────────────────────────── */
.uc-headline {
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 0;
}

/* ── UC Accordion ────────────────────────────────── */
.uc-section {}
.uc-accordion { width: 100%; }
.uc-accordion-summary {
  cursor: pointer; padding: 2rem 1.5rem 2rem 0; display: block; user-select: none;
}
.uc-accordion-header {
  display: grid;
  grid-template-columns: 2.5rem 1fr 2.5rem;
  gap: 1rem; align-items: center;
}
.uc-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--teal-surface); border: 1px solid var(--teal-border-solid);
  color: var(--teal-light); font-size: 0.8rem; font-weight: 800;
}
.uc-expand-icon {
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 1px solid var(--interactive-border);
  background: var(--interactive-surface);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 500; color: var(--interactive);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  justify-self: end;
}
.uc-expand-icon::before { content: '+'; }
.uc-accordion.open .uc-expand-icon::before { content: '−'; }
.uc-accordion.open .uc-expand-icon {
  background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light);
}
.uc-accordion-body {
  display: none;
  padding: 0 1.5rem 3rem 1.5rem;
}
.uc-accordion.open .uc-accordion-body {
  display: block;
  animation: ucSlideIn 0.2s ease;
}
@keyframes ucSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── UC Layout: Text + Screenshot ───────────────── */
.uc-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
@media (max-width: 768px) {
  .uc-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .uc-layout .uc-visual { order: -1; }
  .uc-accordion-header { grid-template-columns: 2rem 1fr 2rem; gap: 0.75rem; }
}

/* ── UC Feature List ─────────────────────────────── */
.uc-feature-list { display: flex; flex-direction: column; gap: 0.625rem; margin: 1.5rem 0; }
.uc-feature-item { display: flex; align-items: flex-start; gap: 0.625rem; font-size: 0.875rem; color: var(--text-secondary); }
.uc-feature-dot { width: 0.375rem; height: 0.375rem; border-radius: 50%; background: var(--teal-light); margin-top: 0.45rem; flex-shrink: 0; }

/* ── UC Persona Selector ─────────────────────────── */
.uc-persona-selector { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.uc-persona-btn {
  cursor: pointer; border: 1px solid var(--border-medium);
  border-radius: 9999px; padding: 0.25rem 0.85rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--interactive); background: transparent;
  transition: all 0.15s;
}
.uc-persona-btn.active {
  background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light);
}
.uc-accordion:not(.open) .uc-persona-btn {
  background: transparent; border-color: var(--border-medium); color: var(--interactive);
}
.uc-persona-content { display: none; }
.uc-persona-content.active { display: block; }

/* ── UC CTA Button ───────────────────────────────── */
.uc-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.625rem 1.5rem; font-size: 0.875rem; font-weight: 700;
  color: var(--on-primary); background: var(--interactive);
  border: 1px solid var(--interactive); border-radius: var(--radius-md);
  transition: all 0.2s; text-decoration: none;
}
.uc-cta:hover { background: var(--interactive-hover); border-color: var(--interactive-hover); }

/* ── UC Verbinder-Störer ─────────────────────────── */
.uc-connector-wrap {
  padding: 0 1.5rem;
  margin: 0.5rem 0;
}
.uc-connector-inner {
  background: var(--accent-surface);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
}
.uc-connector-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--teal-light);
  border: 1px solid var(--teal-border); border-radius: 100px;
  padding: 0.2rem 0.75rem; margin-bottom: 1.1rem;
}
.uc-connector-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.5rem;
  align-items: start; width: 100%;
}
@media (max-width: 640px) {
  .uc-connector-grid { grid-template-columns: 1fr; }
  .uc-connector-divider { display: none; }
}
.uc-connector-divider {
  width: 1px; background: var(--teal-border); align-self: stretch;
}
.uc-connector-who {
  font-size: 0.72rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--teal-light); margin-bottom: 0.4rem;
}
.uc-connector-text {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65;
}
.uc-connector-claim {
  font-size: 0.78rem; color: var(--text-muted); font-style: italic;
  margin-top: 1.1rem; text-align: center;
}

/* ── Trust Bar ───────────────────────────────────── */
.trust-bar {
  padding: 0;
}
.trust-bar-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 1.5rem; flex-wrap: wrap; padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  max-width: 1100px; margin: 0 auto;
}
.trust-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--text-secondary); }
.trust-value { font-weight: 800; color: var(--teal-light); font-size: 1rem; }
.trust-sep { width: 1px; height: 1.25rem; background: var(--border-medium); }
@media (max-width: 600px) { .trust-sep { display: none; } }

/* ── Flow Steps ──────────────────────────────────── */
.flow-step { text-align: center; }
.flow-step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background: var(--teal-surface); border: 1px solid var(--teal-border-solid);
  color: var(--teal-light); font-size: 0.75rem; font-weight: 800; margin-bottom: 0.5rem;
}
.flow-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--teal-light); font-size: 1.5rem; font-weight: 900; flex-shrink: 0;
  height: 1.75rem;
  margin-top: 0;
  opacity: 1;
}
@media (max-width: 768px) { .flow-arrow { display: none; } }

/* ── Flow Step: Fast Track highlight ────────────── */
.phone-frame--fasttrack {
  outline: 3px dashed var(--teal-border-solid);
  outline-offset: 10px;
}

.flow-step-tile > p { margin-top: 0.5rem; }

.flow-step-number--optional {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--fg-subtle);
}

.flow-step-optional {
  display: inline-block;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--teal-light); background: var(--teal-surface);
  border: 1px solid var(--teal-border); border-radius: 100px;
  padding: 0.15rem 0.55rem; margin-top: 0.2rem;
}

/* ── Flow Step: Clickable tile ───────────────────── */
.flow-step-tile {
  cursor: pointer;
}
.flow-step-tile .phone-frame {
  border-color: var(--teal-border);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.flow-step-tile:hover .phone-frame {
  transform: translateY(-4px);
  border-color: var(--teal-light);
  box-shadow: 0 0 0 2px var(--teal-border), 0 20px 60px oklch(0.22 0.04 253 / 0.18);
}

/* ── Evidence Flyout ─────────────────────────────── */
.evidence-flyout { border-top: 1px solid var(--border-subtle); margin-top: auto; padding-top: 0.625rem; }
.evidence-flyout summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 0.375rem;
  font-size: 0.7rem; color: var(--text-muted); line-height: 1.5;
}
.evidence-flyout summary::-webkit-details-marker { display: none; }
.evidence-flyout summary::after {
  content: '+';
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.5rem; height: 1.5rem; flex-shrink: 0; margin-left: auto;
  border-radius: 50%;
  background: var(--interactive-surface); border: 1px solid var(--interactive-border);
  font-size: 1rem; font-weight: 500; line-height: 1; color: var(--interactive);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.evidence-flyout[open] summary::after { content: '−'; background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.evidence-flyout summary:hover { color: var(--text-secondary); }
.evidence-flyout .ev-body {
  padding-top: 0.625rem; font-size: 0.7rem; color: var(--text-muted);
  line-height: 1.65;
}
.evidence-flyout .ev-body cite {
  display: block; margin-top: 0.375rem; font-style: italic;
  font-size: 0.65rem; color: var(--text-muted); opacity: 0.75;
}

/* ── Flow Step Modal ─────────────────────────────── */
.flow-modal-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(0,0,0,0.88); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 1rem;
}
.flow-modal-overlay.open { display: flex; }
.flow-modal-inner {
  background: var(--brand-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); overflow: hidden; max-width: 1000px; width: 100%;
  max-height: 92vh;
  position: relative;
  display: grid; grid-template-columns: 1fr 320px;
}
@media (max-width: 768px) { .flow-modal-inner { grid-template-columns: 1fr; } }
.flow-modal-img {
  background: var(--brand-card2); display: flex; align-items: flex-start;
  justify-content: center; padding: 2rem; min-height: 0; overflow: hidden;
}
.flow-modal-img img { max-height: 75vh; width: auto; max-width: 100%; display: block; border-radius: var(--radius-md); margin: 0 auto; }
.flow-modal-img .flow-modal-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; color: var(--text-muted); font-size: 0.75rem; text-align: center;
  padding: 2rem; opacity: 0.5;
}
.flow-modal-content { padding: 2rem; display: flex; flex-direction: column; gap: 1rem; overflow-y: auto; }
.flow-modal-counter { font-size: 0.7rem; color: var(--text-muted); font-weight: 600; letter-spacing: 0.05em; }
.flow-modal-title { font-size: 1.05rem; font-weight: 800; }
.flow-modal-text { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.65; flex: 1; }
.flow-modal-nav { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.flow-modal-btn {
  padding: 0.45rem 1rem; font-size: 0.8rem; font-weight: 700;
  border: 1px solid var(--border-medium); border-radius: var(--radius-sm);
  background: none; color: var(--text-secondary); cursor: pointer; transition: all 0.15s;
}
.flow-modal-btn:hover:not(:disabled) { border-color: var(--teal-border); color: var(--teal-light); }
.flow-modal-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.flow-modal-close {
  position: absolute; top: 0.875rem; right: 0.875rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--accent-surface); border: 1px solid var(--border-subtle);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  z-index: 10; transition: background 0.15s;
}
.flow-modal-close:hover { background: var(--accent-border); }

/* ── Extended Lightbox: Annotation Panel ─────────── */
.lb-content-wrap {
  display: flex; align-items: center; gap: 2.5rem;
  max-width: 90vw; max-height: 90vh;
}
.lb-img-wrap {
  position: relative; flex-shrink: 0; cursor: zoom-out;
}
.lb-img-wrap img {
  max-height: 85vh; max-width: 55vw;
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  object-fit: contain; display: block;
}
.lb-callout {
  position: absolute;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--teal-light); color: var(--brand-bg);
  font-size: 0.65rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255,255,255,0.4);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  pointer-events: none;
}
.lb-panel {
  width: min(320px, 30vw); flex-shrink: 0;
  background: var(--brand-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  cursor: default; max-height: 70vh; overflow-y: auto;
}
.lb-panel-title { font-size: 1rem; font-weight: 700; }
.lb-panel-text { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.65; flex: 1; }
.lb-panel-text p + p { margin-top: 0.75rem; }
.lb-panel-counter { font-size: 0.68rem; color: var(--text-muted); padding-top: 0.5rem; border-top: 1px solid var(--border-subtle); }
.lb-nav {
  display: flex; gap: 0.5rem; margin-top: 0.25rem;
}
.lb-nav-btn {
  flex: 1; padding: 0.45rem 0.75rem; font-size: 0.78rem; font-weight: 700;
  background: var(--accent-surface); border: 1px solid var(--border-subtle);
  color: var(--text-secondary); border-radius: var(--radius-sm);
  cursor: pointer; transition: background 0.15s;
}
.lb-nav-btn:hover:not(:disabled) { background: var(--accent-border); color: var(--text-primary); }
.lb-nav-btn:disabled { opacity: 0.3; cursor: default; }
@media (max-width: 768px) {
  .lb-content-wrap { flex-direction: column; gap: 1rem; align-items: center; overflow-y: auto; }
  .lb-img-wrap img { max-height: 55vh; max-width: 88vw; }
  .lb-panel { width: 88vw; max-height: none; }
}

/* ── Video Splash Overlays ───────────────────────── */
/* Navy-getönte Overlays für das Video-Thumbnail — hardcoded hier statt Tailwind-Arbitrary */
.video-splash-dim { background: oklch(0.22 0.04 253 / 0.65); }
.video-splash-vignette { background: linear-gradient(to top, oklch(0.22 0.04 253 / 0.80), oklch(0.22 0.04 253 / 0.20) 50%, oklch(0.22 0.04 253 / 0.40)); }

/* ── Video Modal ─────────────────────────────────── */
.video-modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.video-modal-overlay.open { display: flex; }
.video-modal-card {
  background: var(--brand-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl); max-width: 900px; width: 100%;
  position: relative; padding: 0.375rem;
}
.video-modal-close {
  position: absolute; top: -1rem; right: -1rem;
  width: 2.25rem; height: 2.25rem; border-radius: 50%;
  background: rgba(255,255,255,0.90); border: none;
  color: #111; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; transition: background 0.15s;
  z-index: 1;
}
.video-modal-close:hover { background: rgba(255,255,255,1); }
.video-modal-card video { width: 100%; border-radius: var(--radius-lg); display: block; }
.video-modal-card .video-caption {
  text-align: center; padding-top: 1rem;
  font-size: 0.82rem; color: var(--text-muted);
}

/* ── Secondary Button ────────────────────────────── */
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.75rem;
  background: transparent; border: 1px solid var(--teal-border);
  color: var(--teal-light); border-radius: var(--radius-sm);
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 600;
  cursor: pointer; transition: background 0.15s, border-color 0.15s;
}
.btn-secondary:hover { background: var(--teal-surface); border-color: var(--teal-light); }

/* ── Screenshot Gallery Tabs ─────────────────────── */
.gallery-tabs {
  display: flex; gap: 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--border-subtle); margin-bottom: 2.5rem;
}
.gallery-tab {
  padding: 0.6rem 1.1rem; font-size: 0.78rem; font-weight: 700;
  color: var(--interactive); border-bottom: 2px solid transparent;
  cursor: pointer; background: none; border-top: none;
  border-left: none; border-right: none;
  transition: color 0.2s, border-color 0.2s; margin-bottom: -1px;
}
.gallery-tab:hover { color: var(--interactive-hover); }
.gallery-tab.active { color: var(--teal-light); border-bottom-color: var(--teal-light); }
.gallery-pane { display: none; }
.gallery-pane.active {
  display: flex; flex-wrap: wrap; gap: 2.5rem; justify-content: center;
}

/* ── Feature Tabs (07b Kernfunktionen) ───────────────── */
.feature-tabs { display: flex; gap: 0; flex-wrap: wrap; border-bottom: 1px solid var(--border-subtle); margin-bottom: 2rem; }

/* ── Skill-Feature-Buttons (Notfallplan-Pane) ─────────── */
.sfeat-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: transparent; border: 1px solid var(--border-medium);
  color: var(--interactive); border-radius: 9999px;
  padding: 0.3rem 0.85rem; font-size: 0.75rem; font-weight: 700;
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.sfeat-btn:hover { border-color: var(--teal-border); color: var(--teal-light); }
.sfeat-btn.active { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.mcfeat-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: transparent; border: 1px solid var(--border-medium);
  color: var(--interactive); border-radius: 9999px;
  padding: 0.3rem 0.85rem; font-size: 0.75rem; font-weight: 700;
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.mcfeat-btn:hover { border-color: var(--teal-border); color: var(--teal-light); }
.mcfeat-btn.active { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.wfeat-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: transparent; border: 1px solid var(--border-medium);
  color: var(--interactive); border-radius: 9999px;
  padding: 0.3rem 0.85rem; font-size: 0.75rem; font-weight: 700;
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.wfeat-btn:hover { border-color: var(--teal-border); color: var(--teal-light); }
.wfeat-btn.active { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.vfeat-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: transparent; border: 1px solid var(--border-medium);
  color: var(--interactive); border-radius: 9999px;
  padding: 0.3rem 0.85rem; font-size: 0.75rem; font-weight: 700;
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.vfeat-btn:hover { border-color: var(--teal-border); color: var(--teal-light); }
.vfeat-btn.active { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.vperspect-btn {
  cursor: pointer; border: 1px solid var(--border-medium);
  border-radius: 9999px; padding: 0.25rem 0.85rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--interactive); background: transparent;
  transition: all 0.15s;
}
.vperspect-btn.active { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.feature-tab {
  padding: 0.6rem 1.1rem; font-size: 0.78rem; font-weight: 700;
  color: var(--interactive); border-bottom: 2px solid transparent;
  cursor: pointer; background: none; border-top: none;
  border-left: none; border-right: none;
  transition: color 0.2s, border-color 0.2s; margin-bottom: -1px;
}
.feature-tab:hover { color: var(--interactive-hover); }
.feature-tab.active { color: var(--teal-light); border-bottom-color: var(--teal-light); }
.feature-pane { display: none; }
.feature-pane.active { display: block; }
/* Mobile-first: stacked */
.feature-pane-inner {
  display: flex; flex-direction: column; gap: 2rem; align-items: flex-start;
  padding: 1.5rem 0;
}
.feature-pane-text { width: 100%; }
.feature-pane-screens { display: flex; gap: 1.25rem; align-items: flex-start; justify-content: center; width: 100%; flex-wrap: wrap; }
/* Desktop: side by side */
@media (min-width: 768px) {
  .feature-pane-inner { flex-direction: row; align-items: flex-start; gap: 3rem; }
  .feature-pane-text { flex: 1 1 0; min-width: 0; width: auto; }
  .feature-pane-screens { flex: 0 0 auto; width: auto; flex-wrap: nowrap; align-items: flex-start; }
}
.gallery-placeholder {
  width: 168px; min-height: 300px;
  background: var(--brand-card); border: 1px dashed var(--border-medium);
  border-radius: var(--radius-sm); display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.5rem; color: var(--text-muted); font-size: 0.7rem;
  text-align: center; padding: 1rem;
}

/* ── Wissenschaftliche Basis ─────────────────────── */
.wissen-item {
  background: var(--brand-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden; transition: border-color 0.2s;
}
.wissen-item[open] { border-color: var(--teal-border); }
.wissen-summary {
  padding: 1.25rem 1.5rem; cursor: pointer; list-style: none; user-select: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.wissen-summary::-webkit-details-marker { display: none; }
.wissen-summary::after {
  content: '+';
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.75rem; height: 1.75rem; flex-shrink: 0;
  border-radius: 50%;
  background: var(--interactive-surface); border: 1px solid var(--interactive-border);
  font-size: 1.2rem; font-weight: 500; line-height: 1; color: var(--interactive);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.wissen-item[open] .wissen-summary::after { content: '−'; background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.wissen-summary .section-label { border-bottom: none; padding-bottom: 0; margin-bottom: 0.25rem; }
.wissen-body { padding: 0 1.5rem 1.25rem; font-size: 0.82rem; line-height: 1.7; color: var(--text-secondary); }
.wissen-body cite { display: block; margin-top: 0.5rem; font-style: italic; font-size: 0.72rem; color: var(--text-muted); }

/* ── Datenschutz expandable ──────────────────────── */
.privacy-detail { }
.privacy-detail-summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0;
}
.privacy-detail-summary::-webkit-details-marker { display: none; }
.privacy-detail-summary .privacy-expand {
  margin-left: auto; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background: var(--interactive-surface); border: 1px solid var(--interactive-border);
  font-size: 1.1rem; font-weight: 500; line-height: 1; color: var(--interactive);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.privacy-detail[open] .privacy-expand { background: var(--teal-surface); border-color: var(--teal-border); color: var(--teal-light); }
.privacy-detail-summary .priv-label { font-size: 0.875rem; font-weight: 600; }
.privacy-detail[open] .privacy-expand::before { content: '−'; }
.privacy-detail:not([open]) .privacy-expand::before { content: '+'; }
.privacy-detail-body { padding: 0 0 0.75rem 2.25rem; font-size: 0.8rem; line-height: 1.65; color: var(--text-muted); }