/* =====================================================================
   NURELIO — Ratgeber / Content-Seiten
   Design-Tokens übernommen aus der Startseite (index.html).
   Dark ist Default (data-theme="dark" auf <html>, Toggle-Key: nurelio-theme).
   Statt WebGL-DarkVeil: statischer CSS-Gradient in derselben Farbwelt.
   ===================================================================== */

/* ---------- TOKENS · LIGHT ---------- */
:root{
  --bg:            #eef3f9;
  --bg-grad-a:     #f7faff;
  --bg-grad-b:     #eef3f9;
  --bg-grad-c:     #e6eef9;
  --panel:         rgba(255,255,255,0.72);
  --card:          #ffffff;
  --card-2:        #f6f9fe;

  --text:          #19324d;
  --text-dim:      #5a6c84;
  --text-soft:     #8294ad;

  --border:        #dde6f1;
  --border-strong: #c6d3e4;

  --accent:        #2663ff;
  --accent-hover:  #1f55e0;
  --accent-soft:   #e7eeff;
  --accent-deep:   #0d2762;

  --success:       #198754;

  --sh-card:  0 4px 14px rgba(18,44,86,0.05);
  --sh-soft:  0 14px 38px rgba(18,44,86,0.10);
  --sh-cta:   0 12px 28px rgba(38,99,255,0.30);

  --r-xl: 28px;
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 12px;
  --r-pill: 999px;

  --maxw: 1180px;
  --content-w: 760px;
}

/* ---------- TOKENS · DARK (Default via data-theme="dark") ---------- */
[data-theme="dark"]{
  --bg:            #0f1520;
  --bg-grad-a:     #16202f;
  --bg-grad-b:     #0f1520;
  --bg-grad-c:     #0c1119;
  --panel:         rgba(22,31,45,0.74);
  --card:          #18222f;
  --card-2:        #1e2937;

  --text:          #e4eaf2;
  --text-dim:      #a3b2c7;
  --text-soft:     #6e8099;

  --border:        #273343;
  --border-strong: #364457;

  --accent:        #5b8aff;
  --accent-hover:  #719bff;
  --accent-soft:   rgba(91,138,255,0.16);
  --accent-deep:   #b9cdff;

  --success:       #38b873;

  --sh-card:  0 4px 14px rgba(0,0,0,0.30);
  --sh-soft:  0 16px 40px rgba(0,0,0,0.45);
  --sh-cta:   0 12px 28px rgba(38,99,255,0.36);
}

/* ---------- RESET / BASE ---------- */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(1100px 680px at 82% -8%, var(--bg-grad-a), transparent 60%),
    radial-gradient(900px 620px at -8% 14%, var(--bg-grad-a), transparent 56%),
    radial-gradient(1100px 820px at 50% 118%, var(--bg-grad-c), transparent 60%),
    linear-gradient(var(--bg-grad-b), var(--bg-grad-b));
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-size:17px;
  line-height:1.65;
  transition:background-color .35s ease, color .35s ease;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ---------- NAV (Pill / Glassmorphism wie Startseite) ---------- */
.nav{position:sticky;top:14px;z-index:60;margin:14px auto 0;max-width:var(--maxw);padding:0 24px}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 12px 11px 18px;
  background:var(--panel);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  box-shadow:0 8px 26px rgba(18,44,86,0.07);
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-0.02em}
.brand-mark{width:32px;height:32px;flex:none;border-radius:8px;display:block;object-fit:contain}
.nav-links{display:none;gap:30px;color:var(--text-dim);font-size:15px;font-weight:600}
.nav-links a{transition:color .15s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a[aria-current="page"]{color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--sh-cta);transition:background .15s ease, transform .15s ease;
}
.nav-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.theme-toggle{
  width:40px;height:40px;border-radius:50%;flex:none;
  border:1px solid var(--border);background:var(--card);
  display:grid;place-items:center;color:var(--text-dim);
  transition:color .15s ease, border-color .15s ease, background .15s ease;
}
.theme-toggle:hover{color:var(--text);border-color:var(--border-strong)}
.theme-toggle .moon{display:none}
[data-theme="dark"] .theme-toggle .sun{display:none}
[data-theme="dark"] .theme-toggle .moon{display:block}
@media(min-width:920px){.nav-links{display:flex}}

/* ---------- CONTENT-LAYOUT ---------- */
.content{max-width:var(--content-w);margin:0 auto;padding:44px 24px 72px}
.content h1{
  margin:0 0 10px;font-weight:800;letter-spacing:-0.025em;
  font-size:clamp(30px, 5.4vw, 42px);line-height:1.12;text-wrap:balance;
}
.content h2{
  margin:44px 0 14px;font-weight:750;letter-spacing:-0.018em;
  font-size:clamp(21px, 3vw, 26px);line-height:1.25;
}
.content h3{margin:28px 0 8px;font-weight:700;font-size:18px}
.content p{margin:0 0 16px;text-wrap:pretty}
.content p a,.content li a{
  color:var(--accent);font-weight:600;
  text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 35%, transparent);
  text-underline-offset:3px;transition:color .15s ease;
}
.content p a:hover,.content li a:hover{color:var(--accent-hover);text-decoration-color:currentColor}
.content .subtitle{color:var(--text-soft);font-size:14px;margin-bottom:28px}
.content .intro{color:var(--text-dim);font-size:18px;line-height:1.7}
.content strong{color:var(--text)}
.content em{color:var(--text-dim)}

/* ---------- BREADCRUMB ---------- */
.crumbs{font-size:13.5px;color:var(--text-soft);margin:0 0 22px}
.crumbs a{color:var(--text-soft);transition:color .15s ease}
.crumbs a:hover{color:var(--text)}

/* ---------- CHECKLISTEN / LISTEN ---------- */
.content ul{margin:0 0 16px;padding-left:0;list-style:none}
.content ul li{
  position:relative;padding:0 0 12px 30px;
}
.content ul li::before{
  content:"";position:absolute;left:2px;top:8px;
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);
}

/* ---------- TABELLEN ---------- */
.table-scroll{overflow-x:auto;margin:18px 0;border:1px solid var(--border);border-radius:var(--r-md);background:var(--card);box-shadow:var(--sh-card)}
.content table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
.content th,.content td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
.content th{background:var(--card-2);font-weight:700;color:var(--text);white-space:nowrap}
.content td+td,.content th+th{border-left:1px solid var(--border)}
.content tbody tr:last-child td{border-bottom:none}

/* ---------- FAQ (details/summary) ---------- */
.content details{
  border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--card);margin:0 0 10px;padding:14px 18px;
}
.content details summary{cursor:pointer;font-weight:700;color:var(--text)}
.content details[open] summary{margin-bottom:8px;color:var(--accent)}

/* ---------- CTA-BOX ---------- */
.cta{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px 28px 24px;margin-top:48px;
  box-shadow:var(--sh-soft);
  background-image:radial-gradient(480px 220px at 12% -30%, var(--accent-soft), transparent 70%);
}
.cta h2{margin-top:0}
.cta .note{color:var(--text-soft);font-size:13.5px;margin:12px 0 0}
.cta .note a{color:var(--text-dim)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 24px;font-weight:700;font-size:16px;
  border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--accent);color:#fff !important;box-shadow:var(--sh-cta);
  transition:transform .15s ease, background .15s ease;
  text-decoration:none !important;
}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}

/* ---------- ÜBERSICHT: KARTEN ---------- */
.guide-grid{display:grid;gap:18px;grid-template-columns:1fr;margin-top:34px}
@media(min-width:680px){.guide-grid{grid-template-columns:1fr 1fr}}
.guide-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-card);
  transition:transform .18s ease, box-shadow .2s ease, border-color .15s ease;
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--sh-soft);border-color:var(--border-strong)}
.guide-card h2{margin:0;font-size:19.5px;line-height:1.3;letter-spacing:-0.015em}
.guide-card h2 .arrow{color:var(--accent);transition:transform .18s ease;display:inline-block}
.guide-card:hover h2 .arrow{transform:translateX(3px)}
.guide-card p{margin:0;color:var(--text-dim);font-size:15px;line-height:1.6;flex:1}
.guide-card .meta{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--text-soft);font-size:13px;font-weight:600;
}
.guide-card .meta svg{color:var(--accent);flex:none}
.guide-card .tag{
  align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  padding:4px 10px;border-radius:var(--r-pill);
}

/* ---------- FOOTER (leichtgewichtig) ---------- */
.foot{
  border-top:1px solid var(--border);
  margin-top:24px;padding:26px 24px 34px;
  color:var(--text-soft);font-size:13.5px;
}
.foot-inner{
  max-width:var(--content-w);margin:0 auto;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.foot a{color:var(--text-soft);transition:color .15s ease}
.foot a:hover{color:var(--text)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important}
}
