/* Calivon Ratgeber — geteiltes Design fuer Hub + alle Artikel.
   Neue Artikel verlinken einfach /ratgeber/style.css und muessen kein CSS mitbringen. */
:root{
  --green-1:#43e97b; --green-2:#38a169; --green-3:#2c9f8f;
  --ink:#0f2a22; --muted:#5b6b66; --card:#ffffff; --bg-soft:#f4faf7;
  --radius:18px; --maxw:760px;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{ margin:0; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; color:var(--ink); background:var(--card); line-height:1.65; -webkit-font-smoothing:antialiased; }
a{ color:inherit; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* Header / Footer (identisch zur Landing) */
header{ position:sticky; top:0; z-index:20; backdrop-filter:blur(10px); background:rgba(255,255,255,0.82); border-bottom:1px solid #e7efea; }
.nav{ display:flex; align-items:center; justify-content:space-between; height:68px; max-width:1180px; margin:0 auto; padding:0 24px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:22px; letter-spacing:-0.02em; text-decoration:none; }
.brand .dot{ width:32px; height:32px; border-radius:9px; background:url('/favicon-512x512.png') center/cover no-repeat; box-shadow:0 2px 8px rgba(15,42,34,0.18); }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; font-weight:700; text-decoration:none; cursor:pointer; border:0; border-radius:999px; padding:10px 20px; font-size:15px; transition:transform .08s ease, box-shadow .2s ease; }
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ color:#fff; background:linear-gradient(135deg,var(--green-1) 0%,var(--green-2) 55%,var(--green-3) 100%); box-shadow:0 10px 24px rgba(56,161,105,0.35); }
footer{ padding:54px 0 40px; border-top:1px solid #e7efea; color:var(--muted); font-size:14px; margin-top:52px; }
.foot-grid{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; align-items:flex-start; }
.foot-links{ display:flex; gap:22px; flex-wrap:wrap; }
.foot-links a{ text-decoration:none; color:var(--muted); font-weight:600; }
.foot-links a:hover{ color:var(--ink); }
.foot-legal{ margin-top:28px; font-size:13px; }

/* Kopfbereich */
.eyebrow{ display:inline-block; font-weight:700; font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--green-2); background:#e6f6ee; padding:6px 14px; border-radius:999px; margin-bottom:16px; }
.crumbs{ font-size:13px; color:var(--muted); margin:26px 0 0; }
.crumbs a{ text-decoration:none; color:var(--green-2); font-weight:600; }

/* Artikel-Typografie */
article{ padding:20px 0 8px; }
article h1{ font-size:clamp(28px,5vw,42px); line-height:1.12; letter-spacing:-0.03em; margin:14px 0 10px; }
article .meta{ color:var(--muted); font-size:14px; margin:0 0 24px; }
article .lead{ font-size:19px; color:#33413c; margin:0 0 26px; }
article h2{ font-size:24px; letter-spacing:-0.02em; margin:34px 0 10px; }
article h3{ font-size:19px; margin:24px 0 6px; }
article p{ margin:0 0 16px; }
article ul, article ol{ margin:0 0 18px; padding-left:22px; }
article li{ margin:0 0 8px; }
article a{ color:var(--green-2); font-weight:600; }
.formula{ background:var(--bg-soft); border:1px solid #e2efe8; border-radius:14px; padding:16px 18px; margin:0 0 20px; font-size:15px; }
.formula b{ color:var(--green-2); }
.callout{ background:#eef7f2; border-left:4px solid var(--green-2); border-radius:0 12px 12px 0; padding:16px 18px; margin:24px 0; }
.callout b{ display:block; margin-bottom:4px; }
.disclaimer{ color:var(--muted); font-size:13px; margin:26px 0 0; border-top:1px solid #eef2f0; padding-top:16px; }

/* App-CTA im Artikel */
.app-cta{ margin:34px 0 8px; background:var(--bg-soft); border:1px solid #e2efe8; border-radius:var(--radius); padding:26px; text-align:center; }
.app-cta h2{ margin:0 0 8px; font-size:22px; }
.app-cta p{ margin:0 0 16px; color:var(--muted); }

/* Hub */
.hub-head{ padding:56px 0 8px; }
.hub-head h1{ font-size:clamp(30px,5vw,46px); letter-spacing:-0.03em; margin:0 0 12px; }
.hub-head h1 .grad{ background:linear-gradient(135deg,var(--green-2),var(--green-3)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hub-head .lead{ font-size:18px; color:var(--muted); margin:0; }
.cards{ display:grid; gap:16px; padding:26px 0 8px; }
.card{ display:block; text-decoration:none; border:1px solid #e7efea; border-radius:16px; padding:22px; transition:border-color .2s ease, transform .08s ease; }
.card:hover{ border-color:#cfe7da; transform:translateY(-2px); }
.card .tag{ font-size:12px; font-weight:700; color:var(--green-2); text-transform:uppercase; letter-spacing:.04em; }
.card h2{ font-size:20px; margin:6px 0 6px; letter-spacing:-0.01em; }
.card p{ margin:0; color:var(--muted); font-size:15px; }

@media (max-width:600px){ .nav .btn{ padding:9px 16px; font-size:14px; } }