/* ============================================================
   SepaGo Blog — Stylesheet
   Design-Tokens & Look 1:1 aus der Startseite (index.html).
   Fonts self-hosted (DSGVO-konform, keine Google-Verbindung).
   ============================================================ */

/* ─── Self-hosted Fonts (latin subset, deckt äöüß ab) ─── */
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/bricolage-700.woff2") format("woff2")}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:800;font-display:swap;src:url("fonts/bricolage-800.woff2") format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/hanken-400.woff2") format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/hanken-500.woff2") format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/hanken-600.woff2") format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/hanken-700.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/jetbrains-500.woff2") format("woff2")}

/* ─── Design Tokens (aus index.html) ─── */
:root{
  --paper:#FBFAF6; --paper-2:#F4F2EA; --card:#FFFFFF;
  --ink:#101010; --ink-2:#1A1A18; --ink-soft:#54534E; --ink-faint:#8C8A82;
  --yellow:#FFCE1F; --yellow-bright:#FFDB4D; --yellow-deep:#F2BB00; --yellow-glow:#FFE680;
  --yellow-soft:#FFF4CC; --yellow-tint:#FFF9E6;
  --blue:#2563EB; --blue-deep:#1D4ED8; --blue-bright:#3B82F6; --blue-tint:#E8EFFF;
  --red:#C0392B; --red-tint:#FDECEA;
  --line:rgba(20,20,20,.10); --line-strong:rgba(20,20,20,.18);
  --shadow-sm:0 1px 2px rgba(30,25,0,.05), 0 4px 14px rgba(30,25,0,.06);
  --shadow-md:0 2px 6px rgba(30,25,0,.07), 0 18px 44px rgba(30,25,0,.12);
  --shadow-lg:0 40px 90px rgba(40,30,0,.18);
  --shadow-yellow:0 14px 40px rgba(242,187,0,.40);
  --r:20px; --r-sm:13px; --r-xs:9px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --display:"Bricolage Grotesque",Georgia,serif;
  --body:"Hanken Grotesk",-apple-system,system-ui,sans-serif;
}

/* ─── Base ─── */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{font-family:var(--body);background:var(--paper);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--yellow);color:var(--ink)}
img{max-width:100%;height:auto;display:block}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;color:var(--ink);line-height:1.12;letter-spacing:-.025em;margin:0}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.55rem)}
h4{font-size:1.15rem}
p{margin:0 0 1.1em;color:var(--ink-soft)}
a{text-decoration:none;color:inherit}
strong{color:var(--ink);font-weight:700}
.mono{font-family:var(--mono)}

.wrap{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.kicker{font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;color:var(--ink-soft);margin-bottom:1.1rem;display:inline-flex;align-items:center;gap:.55rem;font-weight:500}
.kicker::before{content:"";display:inline-block;width:24px;height:1.5px;background:var(--yellow-deep)}

/* ─── Buttons ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;border-radius:999px;font-weight:600;font-family:var(--body);font-size:1rem;padding:.95em 1.7em;border:none;cursor:pointer;transition:transform .18s cubic-bezier(.2,.7,.2,1),box-shadow .25s,background .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .25s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{transform:translateY(-2px);background:var(--blue-deep);box-shadow:0 14px 30px rgba(37,99,235,.32)}
.btn-yellow{background:var(--yellow);color:var(--ink);box-shadow:var(--shadow-yellow)}
.btn-yellow:hover{transform:translateY(-2px);background:var(--yellow-bright);box-shadow:0 20px 48px rgba(242,187,0,.5)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{background:var(--card);border-color:var(--ink);transform:translateY(-2px)}
.btn-lg{padding:1.1em 2em;font-size:1.05rem}

/* ─── Header ─── */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(251,250,246,.72);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-bottom:1px solid var(--line);background:rgba(251,250,246,.92)}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.5rem;max-width:1180px;margin:0 auto}
.logo-img{height:38px;width:auto;display:block}
.site-nav{display:flex;gap:1.8rem;align-items:center}
.site-nav a:not(.btn){color:var(--ink-soft);font-size:.95rem;font-weight:500;transition:color .2s;position:relative}
.site-nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--yellow-deep);transition:width .25s}
.site-nav a:not(.btn):hover{color:var(--ink)}
.site-nav a:not(.btn):hover::after{width:100%}
.site-nav .btn{padding:.62em 1.25em;font-size:.9rem}
@media (max-width:680px){.site-nav a.nav-text{display:none}}

/* ─── Breadcrumb ─── */
.breadcrumb{font-family:var(--mono);font-size:.78rem;color:var(--ink-faint);letter-spacing:.02em;margin-bottom:1.5rem;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{opacity:.5}

/* ─── Article header ─── */
.article-head{padding:3.5rem 0 1rem}
.article-head .meta{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem;align-items:center;margin-top:1.4rem;font-size:.9rem;color:var(--ink-faint);font-family:var(--mono)}
.article-head .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-faint)}
.article-lead{font-size:1.28rem;color:var(--ink-soft);line-height:1.5;margin-top:1.2rem;max-width:40ch}
.article-hero h1{max-width:18ch}

/* ─── Reading column / prose ─── */
.prose{max-width:720px;margin:0 auto;padding:2.5rem 0 1rem}
.prose>p,.prose>ul,.prose>ol,.prose>h2,.prose>h3,.prose>blockquote,.prose>figure,.prose>.callout,.prose>.cta-box,.prose>.tbl-wrap{max-width:720px}
.prose h2{margin:2.6rem 0 1rem;scroll-margin-top:90px}
.prose h2::before{content:"";display:block;width:34px;height:3px;background:var(--yellow);border-radius:3px;margin-bottom:1rem}
.prose h3{margin:2rem 0 .7rem;scroll-margin-top:90px}
.prose p{font-size:1.08rem;line-height:1.72;color:var(--ink-2)}
.prose a:not(.btn){color:var(--blue-deep);font-weight:600;border-bottom:1.5px solid var(--blue-tint);transition:border-color .2s}
.prose a:not(.btn):hover{border-color:var(--blue-deep)}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{padding-left:0;margin:0 0 1.4rem;list-style:none}
.prose ul li,.prose ol li{position:relative;padding-left:1.9rem;margin-bottom:.7rem;font-size:1.08rem;line-height:1.65;color:var(--ink-2)}
.prose ul li::before{content:"";position:absolute;left:.2rem;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--yellow-deep)}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:.05em;width:1.35rem;height:1.35rem;background:var(--yellow-soft);color:var(--yellow-deep);font-family:var(--mono);font-size:.78rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center}
.prose blockquote{margin:1.8rem 0;padding:.4rem 0 .4rem 1.4rem;border-left:3px solid var(--yellow);font-size:1.2rem;font-style:italic;color:var(--ink)}
.prose figure{margin:2rem 0}
.prose figcaption{font-family:var(--mono);font-size:.8rem;color:var(--ink-faint);text-align:center;margin-top:.7rem}

/* ─── Callout / info box ─── */
.callout{display:flex;gap:1rem;background:var(--yellow-tint);border:1px solid var(--yellow-soft);border-left:4px solid var(--yellow-deep);border-radius:var(--r-sm);padding:1.3rem 1.5rem;margin:2rem 0}
.callout .ic{flex:0 0 auto;width:26px;height:26px;color:var(--yellow-deep)}
.callout p{margin:0;color:var(--ink-2);font-size:1rem}
.callout strong{color:var(--ink)}

/* ─── Comparison table ─── */
.tbl-wrap{overflow-x:auto;margin:2rem 0;border:1px solid var(--line);border-radius:var(--r-sm)}
table.cmp{width:100%;border-collapse:collapse;font-size:.98rem;min-width:520px}
table.cmp th,table.cmp td{text-align:left;padding:.9rem 1.1rem;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--paper-2);font-family:var(--display);font-size:.95rem;color:var(--ink)}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp td:first-child{font-weight:600;color:var(--ink)}
table.cmp .good{color:var(--blue-deep);font-weight:700}
table.cmp .bad{color:var(--red);font-weight:600}

/* ─── In-article CTA box ─── */
.cta-box{background:var(--ink);color:#fff;border-radius:var(--r);padding:2.4rem 2.2rem;margin:3rem 0;position:relative;overflow:hidden}
.cta-box::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,var(--yellow),transparent 70%);opacity:.18;top:-90px;right:-60px}
.cta-box h3{color:#fff;font-size:1.5rem;margin-bottom:.6rem;position:relative}
.cta-box p{color:rgba(251,250,246,.75);position:relative;max-width:46ch}
.cta-box .btn{margin-top:.4rem;position:relative}
.cta-box .cta-sub{font-family:var(--mono);font-size:.78rem;color:rgba(251,250,246,.55);margin-top:1rem;position:relative}

/* ─── Key-facts pills ─── */
.facts{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.8rem 0}
.facts .pill{display:inline-flex;align-items:center;gap:.45rem;background:var(--card);border:1px solid var(--line);padding:.5em 1em;border-radius:999px;font-size:.85rem;color:var(--ink-2);font-weight:600}
.facts .pill svg{width:14px;height:14px;color:var(--blue)}

/* ─── TL;DR box ─── */
.tldr{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:1.5rem 1.7rem;margin:2rem 0}
.tldr .tldr-lbl{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--yellow-deep);font-weight:700;margin-bottom:.7rem}
.tldr p{margin:0;color:var(--ink-2);font-size:1.04rem}

/* ─── Author / footer-of-article ─── */
.article-foot{max-width:720px;margin:3rem auto 0;padding-top:2rem;border-top:1px solid var(--line)}
.author{display:flex;align-items:center;gap:1rem}
.author .av{width:48px;height:48px;border-radius:12px;background:var(--yellow);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;color:var(--ink);font-size:1.3rem;flex:0 0 auto}
.author .a-name{font-weight:700;color:var(--ink);font-size:.98rem}
.author .a-role{font-size:.86rem;color:var(--ink-faint)}

/* ─── Related articles ─── */
.related{max-width:720px;margin:2.5rem auto 0}
.related h4{font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-faint);margin-bottom:1rem}
.related-grid{display:grid;gap:1rem}
@media(min-width:620px){.related-grid{grid-template-columns:1fr 1fr}}
.related-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:1.3rem 1.4rem;transition:transform .25s,border-color .25s,box-shadow .25s}
.related-card:hover{transform:translateY(-3px);border-color:var(--yellow-deep);box-shadow:var(--shadow-sm)}
.related-card .rc-k{font-family:var(--mono);font-size:.72rem;color:var(--yellow-deep);text-transform:uppercase;letter-spacing:.1em}
.related-card .rc-t{font-family:var(--display);font-weight:700;font-size:1.1rem;margin:.4rem 0 0;line-height:1.25}

/* ════════ BLOG INDEX ════════ */
.blog-hero{padding:4rem 0 2rem;background:radial-gradient(ellipse 70% 60% at 80% 0%,var(--yellow-tint),transparent 60%),var(--paper)}
.blog-hero .kicker{margin-bottom:1.2rem}
.blog-hero h1{max-width:16ch}
.blog-hero p.lead{font-size:1.2rem;color:var(--ink-soft);max-width:54ch;margin-top:1.2rem}
.post-list{padding:2rem 0 5rem;display:grid;gap:1.6rem}
@media(min-width:760px){.post-list{grid-template-columns:1fr 1fr}}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:2rem 2rem 1.7rem;box-shadow:var(--shadow-sm);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.post-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--yellow);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.post-card:hover{transform:translateY(-4px);border-color:var(--yellow-deep);box-shadow:var(--shadow-md)}
.post-card:hover::before{transform:scaleX(1)}
.post-card .pc-k{font-family:var(--mono);font-size:.74rem;color:var(--yellow-deep);text-transform:uppercase;letter-spacing:.12em;margin-bottom:.9rem}
.post-card h2{font-size:1.5rem;line-height:1.2;margin-bottom:.7rem}
.post-card p{font-size:1rem;color:var(--ink-soft);flex:1}
.post-card .pc-foot{display:flex;align-items:center;gap:.6rem;margin-top:1.2rem;font-family:var(--mono);font-size:.8rem;color:var(--ink-faint)}
.post-card .pc-go{margin-left:auto;color:var(--blue-deep);font-weight:700;display:inline-flex;align-items:center;gap:.3rem}
.post-card .pc-go svg{width:16px;height:16px;transition:transform .25s}
.post-card:hover .pc-go svg{transform:translateX(3px)}

/* ─── Footer (aus index.html) ─── */
.site-footer{background:var(--ink);color:#fff;padding:4rem 0 2rem;margin-top:2rem}
.site-footer .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:2.5rem}
@media(max-width:760px){.site-footer .footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.site-footer .footer-grid{grid-template-columns:1fr}}
.site-footer .logo{display:flex;align-items:center;gap:.6rem;font-family:var(--display);font-weight:800;font-size:1.4rem;letter-spacing:-.03em;color:#fff}
.site-footer .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--yellow);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.site-footer .logo-mark svg{width:22px;height:22px}
.site-footer .logo .go{color:var(--yellow)}
.site-footer p{color:rgba(251,250,246,.6);margin-top:1rem;font-size:.95rem}
.site-footer h4{color:#fff;font-family:var(--display);font-size:1.02rem;margin-bottom:1rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:.6rem}
.site-footer ul a{color:rgba(251,250,246,.6);font-size:.94rem;transition:color .2s}
.site-footer ul a:hover{color:var(--yellow)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:rgba(251,250,246,.45);font-family:var(--mono)}

/* ─── Reveal on scroll ─── */
.fade{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.fade.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.fade{opacity:1;transform:none;transition:none}}