/* shared.css — Franklin Core Design System v2 */
:root{
  --bg:#05070f;--surface:rgba(255,255,255,.03);--surface-hover:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.14);
  --text:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;
  --accent:#3b82f6;--accent-2:#10b981;--danger:#f43f5e;--warn:#f59e0b;
  --radius:14px;--shadow-glow:0 0 40px rgba(59,130,246,.18);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}
body::before{content:"";position:fixed;inset:0;background:
  radial-gradient(1000px 600px at 20% -10%,rgba(59,130,246,.08),transparent 60%),
  radial-gradient(800px 500px at 90% 10%,rgba(16,185,129,.05),transparent 60%);
  pointer-events:none;z-index:0}
.glass{backdrop-filter:blur(20px) saturate(140%);background:var(--surface);border:1px solid var(--border)}
.glass-strong{backdrop-filter:blur(24px) saturate(160%);background:rgba(10,14,26,.7);border:1px solid var(--border-strong)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
button,a{transition:all .18s ease}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.2rem;border-radius:12px;font-weight:600;font-size:.875rem;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);text-decoration:none}
.btn:hover{background:var(--surface-hover);border-color:var(--border-strong)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#6366f1);border:none;color:#fff;box-shadow:0 8px 24px -8px rgba(59,130,246,.5)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 32px -8px rgba(59,130,246,.7)}
.style-scrollbar::-webkit-scrollbar{width:6px;height:6px}
.style-scrollbar::-webkit-scrollbar-thumb{background:rgba(148,163,184,.2);border-radius:99px}
.style-scrollbar::-webkit-scrollbar-thumb:hover{background:rgba(148,163,184,.35)}
.style-scrollbar-thin::-webkit-scrollbar{width:4px}
.style-scrollbar-thin::-webkit-scrollbar-thumb{background:rgba(59,130,246,.15);border-radius:99px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;transition:all .2s}
.card:hover{background:var(--surface-hover);border-color:var(--border-strong);transform:translateY(-2px)}
.nav-link{color:var(--text-muted);font-weight:500;font-size:.875rem;padding:.5rem .85rem;border-radius:10px;text-decoration:none}
.nav-link:hover{color:var(--text);background:var(--surface)}
.nav-link.active{color:var(--accent);background:rgba(59,130,246,.08)}
.shadow-glow-blue{box-shadow:0 0 30px rgba(59,130,246,.15)}
.shadow-glow-amber{box-shadow:0 0 30px rgba(245,158,11,.25)}
.shadow-glow-emerald{box-shadow:0 0 20px rgba(16,185,129,.2)}
.shadow-glow-rose{box-shadow:0 0 20px rgba(244,63,94,.2)}
.blur-bg{filter:blur(8px);transition:filter .3s}

/* ============================================================
   Cognitive-Load-Optimierung — gemeinsame Komponenten
   (siehe Kommentare in den einzelnen HTML-Dateien für Details)
   ============================================================ */

/* Quick Win 4: einheitliches Icon-Set (Lucide) statt Emojis --
   24px, Outline-Stil, 1.5px Strichstärke (per data-lucide gesetzt) */
.icon{width:24px;height:24px;stroke-width:1.5;flex-shrink:0}
.icon-sm{width:18px;height:18px;stroke-width:1.75;flex-shrink:0}
.icon-lg{width:32px;height:32px;stroke-width:1.5;flex-shrink:0}
.icon-inline{width:1em;height:1em;stroke-width:2;vertical-align:-0.15em;flex-shrink:0}

/* Quick Win 3: Schloss-Icons + Hover-Tooltip bei gesperrten Bereichen */
.locked-wrap{position:relative;display:inline-flex}
.locked-tooltip{
  position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);
  background:rgba(6,9,18,.97);border:1px solid var(--border-strong);color:var(--text);
  font-size:.7rem;font-weight:600;padding:.45rem .7rem;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:60;
  box-shadow:0 8px 24px -8px rgba(0,0,0,.6);
}
.locked-wrap:hover .locked-tooltip,.locked-wrap:focus-within .locked-tooltip{opacity:1;transform:translateX(-50%) translateY(0)}
.lock-badge{display:inline-flex;align-items:center;justify-content:center;color:var(--warn)}

/* Quick Win 1 + 5: Hero-CTA mit grosszügigem Weissraum */
.hero-cta-group{padding:48px 32px;display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}
.btn-hero{padding:1.1rem 2.5rem;font-size:1rem;font-weight:700;border-radius:16px}

/* Quick Win 2: dezenter Anmelden-Button rechts oben in der Navigation (Jakob's Law) */
.btn-nav-auth{padding:.55rem 1.1rem;font-size:.8rem;border-radius:10px}

/* Quick Win 6: Stepper / Fortschrittsanzeige bei mehrstufigen Prozessen */
.stepper{display:flex;align-items:center;gap:.4rem}
.stepper-step{width:10px;height:10px;border-radius:99px;background:rgba(255,255,255,.12);transition:all .2s}
.stepper-step.done{background:var(--accent-2)}
.stepper-step.current{background:var(--accent);transform:scale(1.3)}
.progress-track{width:100%;background:rgba(255,255,255,.05);border-radius:99px;height:6px;overflow:hidden;border:1px solid var(--border)}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .35s ease}

/* Phase 2B: visuelles Chunking -- Feature-Vorschaubild + Kurzname + Ein-Satz-Nutzenversprechen */
.feature-preview{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--border);display:block;background:rgba(255,255,255,.02)}

/* Skip-Link für Tastaturnutzung (Accessibility) */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 10px 0;font-weight:700;font-size:.8rem;text-decoration:none}
.skip-link:focus{left:0}

/* Phase 2A: Breadcrumbs für Orientierung */
.breadcrumb{display:flex;align-items:center;gap:.4rem;font-size:.75rem;color:var(--text-dim)}
.breadcrumb a{color:var(--text-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--text)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:768px){
  .nav-desktop{display:none}
  .hero-cta-group{padding:32px 20px}
}
@media (min-width:769px) and (max-width:1024px){
  .btn-hero{padding:1rem 2rem}
}