/* Shared styles for /ratgeber (DE) and /en/guides (EN) content pages.
   Same design tokens as index.html — kept in one file here since these
   pages share a layout that index.html's marketing-specific CSS doesn't need. */
:root{
  --ink:#0E1116;
  --ink-2:#161C24;
  --ink-3:#1E2630;
  --line:#2A333F;
  --paper:#EAEEF3;
  --muted:#8A95A4;
  --muted-2:#5E6B7A;
  --z1:#4A90D9;
  --z2:#2FB673;
  --z3:#E4C744;
  --z4:#EA8740;
  --z5:#DB4B47;
  --signal:#F2A93B;
  --signal-soft:rgba(242,169,59,.14);
  --radius:16px;
  --maxw:1180px;
  --maxw-prose:740px;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 460px at 78% -8%, rgba(242,169,59,.08), transparent 60%),
    radial-gradient(720px 620px at 8% 0%, rgba(74,144,217,.06), transparent 62%);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Archivo",sans-serif;margin:0;letter-spacing:-.02em;line-height:1.08}
.mono{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}

/* ---------- intensity rail mark ---------- */
.rail{display:inline-flex;gap:3px;align-items:flex-end;height:22px}
.rail i{width:5px;border-radius:1px;display:block}
.rail i:nth-child(1){height:38%;background:var(--z1)}
.rail i:nth-child(2){height:58%;background:var(--z2)}
.rail i:nth-child(3){height:78%;background:var(--z3)}
.rail i:nth-child(4){height:92%;background:var(--z4)}
.rail i:nth-child(5){height:100%;background:var(--z5)}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:50;
  background:rgba(14,17,22,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:"Archivo";font-weight:800;font-size:21px;letter-spacing:-.03em}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--paper)}
.btn{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:0;
  font-family:"IBM Plex Sans";font-weight:600;font-size:15px;
  padding:11px 18px;border-radius:11px;transition:transform .15s var(--ease),box-shadow .25s,background .2s;
}
.btn-primary{background:var(--signal);color:#000;box-shadow:0 8px 26px -10px rgba(242,169,59,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(242,169,59,.85)}
.btn-ghost{background:transparent;color:var(--paper);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--muted);background:var(--ink-2)}
.nav .btn{padding:9px 15px;font-size:14px}
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover{color:#000}

.lang-switch{display:inline-flex;align-items:center;gap:2px;
  font-family:"IBM Plex Mono";font-size:13px;
  border:1px solid var(--line);border-radius:9px;padding:3px}
.lang-switch a,.lang-switch .cur{padding:3px 8px;border-radius:6px;line-height:1;color:var(--muted)}
.lang-switch .cur{background:var(--ink-3);color:var(--paper);font-weight:600}
.lang-switch a:hover{color:var(--paper)}

.card{background:linear-gradient(180deg,var(--ink-2),var(--ink));
  border:1px solid var(--line);border-radius:var(--radius);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-family:"IBM Plex Mono";font-size:13px;color:var(--muted-2)}
.crumb a{color:var(--muted-2)}
.crumb a:hover{color:var(--paper)}

/* ---------- section scaffolding ---------- */
section{padding:0 0 88px;position:relative}
.sec-eyebrow{font-family:"IBM Plex Mono";font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:16px;display:flex;align-items:center;gap:12px}
.sec-eyebrow::before{content:"";width:26px;height:1px;background:var(--signal)}
.divider{height:1px;background:var(--line);max-width:var(--maxw);margin:0 auto}

/* ---------- hub (Ratgeber / Guides overview) ---------- */
.g-hero{padding:56px 0 20px;max-width:var(--maxw-prose)}
.g-hero h1{font-size:clamp(32px,4.6vw,48px);font-weight:800}
.g-hero .lead{font-size:18px;color:var(--muted);margin-top:18px;line-height:1.6}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:20px}
.hub-card{padding:26px;display:flex;flex-direction:column;transition:transform .25s var(--ease),border-color .25s}
.hub-card:hover{transform:translateY(-3px);border-color:var(--muted-2)}
.hub-card .tag{font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.hub-card h2{font-size:19px;font-weight:700;margin:12px 0 8px;letter-spacing:-.01em}
.hub-card p{color:var(--muted);font-size:14.5px;line-height:1.55;margin:0 0 18px}
.hub-card .go{margin-top:auto;font-family:"IBM Plex Mono";font-size:13px;color:var(--signal);display:inline-flex;align-items:center;gap:6px}

/* ---------- article ---------- */
.g-article{padding:44px 0 0;max-width:var(--maxw-prose)}
.g-article h1{font-size:clamp(30px,4.4vw,42px);font-weight:800;max-width:18em}
.g-meta{font-family:"IBM Plex Mono";font-size:13px;color:var(--muted-2);margin-top:16px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.g-meta span::before{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--muted-2);margin-right:10px;vertical-align:middle}
.g-meta span:first-child::before{display:none}
.g-dek{font-size:18.5px;color:var(--muted);margin-top:22px;line-height:1.6}

.prose{margin-top:38px;max-width:var(--maxw-prose)}
.prose h2{font-size:24px;font-weight:800;margin:44px 0 16px;letter-spacing:-.01em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18.5px;font-weight:700;margin:28px 0 10px}
.prose p{margin:0 0 16px;color:#D6DCE4;font-size:16.5px;line-height:1.7}
.prose p strong{color:var(--paper);font-weight:600}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:#D6DCE4;font-size:16.5px;line-height:1.7}
.prose li{margin-bottom:8px}
.prose a{color:var(--signal);text-decoration:underline;text-decoration-color:rgba(242,169,59,.35);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--signal)}

.formula{font-family:"IBM Plex Mono";font-size:15px;background:var(--ink-2);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;margin:0 0 20px;overflow-x:auto;color:var(--paper);line-height:1.7}
.formula .c{color:var(--muted-2)}

.g-table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.g-table th,.g-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.g-table th{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);font-weight:500}
.g-table td{color:#D6DCE4}
.g-table tr:last-child td{border-bottom:0}
.g-table-wrap{overflow-x:auto;margin:0 0 20px}

.callout{background:var(--signal-soft);border:1px solid rgba(242,169,59,.34);border-radius:14px;
  padding:24px 26px;margin-top:44px;display:flex;flex-direction:column;gap:12px}
.callout .badge{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--signal);display:block}
.callout p{margin:0;font-size:16px;line-height:1.6;color:#F3E6CF}
.callout p b{color:var(--signal);font-weight:600}
.callout .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}

.g-related{margin-top:56px;padding-top:36px;border-top:1px solid var(--line);max-width:var(--maxw-prose)}
.g-related h3{font-size:14px;font-family:"IBM Plex Mono";text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);margin-bottom:18px}
.g-related-list{display:flex;flex-direction:column;gap:10px}
.g-related-list a{color:var(--paper);font-weight:600;font-size:15.5px;display:flex;align-items:center;gap:10px}
.g-related-list a:hover{color:var(--signal)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:46px 0;color:var(--muted-2);font-size:14px;position:relative;z-index:1}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.foot-links a{color:var(--muted);transition:color .2s}
.foot-links a:hover{color:var(--paper)}
.foot-tag{font-family:"IBM Plex Mono";font-size:12.5px;color:var(--muted-2)}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .hub-grid{grid-template-columns:1fr}
  .nav-links a:not(.nav-cta-only){display:none}
  .nav-cta-only{display:inline-flex}
  .nav-links .lang-switch,.nav-links .lang-switch a{display:inline-flex}
}
.nav-cta-only{display:none}
@media(max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  section{padding:0 0 56px}
  .g-hero{padding:40px 0 16px}
  .g-article{padding:32px 0 0}
  .prose p,.prose ul,.prose ol{font-size:16px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
}