/* ============================================================
   carstentotz.de — Design-System (Lila / alte Farbwelt)
   Wiederverwendbar für alle Seiten (Home, Gedanken, Beitrag, Standard)
   ============================================================ */

/* --- Schrift: Helvetica Now (lizenziert), lokal aus /assets/fonts/ --- */
@font-face{font-family:'Helvetica Now';font-weight:300;font-style:normal;font-display:swap;src:url('/assets/fonts/Helvetica-Now-Light.woff2') format('woff2');}
@font-face{font-family:'Helvetica Now';font-weight:400;font-style:normal;font-display:swap;src:url('/assets/fonts/Helvetica-Now-Regular.woff2') format('woff2');}
@font-face{font-family:'Helvetica Now';font-weight:500;font-style:normal;font-display:swap;src:url('/assets/fonts/Helvetica-Now-Medium.woff2') format('woff2');}
@font-face{font-family:'Helvetica Now';font-weight:700;font-style:normal;font-display:swap;src:url('/assets/fonts/Helvetica-Now-Bold.woff2') format('woff2');}
/* Blog-Fließtext: PublicoText (Lizenz folgt). Bis dahin Source Serif 4 als self-hostbarer Platzhalter.
   Lege die woff2 in /assets/fonts/ ab und aktiviere: */
/* @font-face{font-family:'Publico Text';font-weight:400;font-style:normal;font-display:swap;src:url('/assets/fonts/PublicoText-Regular.woff2') format('woff2');} */

:root{
  --accent:#9999ff; --pink:#ff3ea5; --accent-deep:#999BE2;
  --grad-btn:linear-gradient(135deg,#9999ff,#ff3ea5);
  --grad-head:linear-gradient(75deg,#9999ff 20%,#ff3ea5 60%); /* ~15° Steigung, immer gleich */
  --ink:#2d2d2d; --muted:#6e6e6b; --line:#dedede; --footer:#252525;
  --sans:'Helvetica Now',Helvetica,Arial,sans-serif;
  --serif:Georgia,'Times New Roman',serif;
  --gutter:24px; --side:clamp(24px,4vw,56px); --maxw:1240px;
  --fs-body:17px; /* Desktop. Tablet & Mobile 16px (siehe @media unten) */
}
*{box-sizing:border-box;margin:0;padding:0;border-radius:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:#F9F9F9;line-height:1.64;font-weight:400;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;background:#fff;color:#000;padding:10px 16px;font-family:var(--sans)}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* 12-Spalten-Raster */
.grid{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);max-width:var(--maxw);margin:0 auto;padding:0 var(--side)}

/* Sektions-Töne: zum Footer hin dunkler */
.tone1{background:#F9F9F9}
.tone2{background:#efeeec}
.tone3{background:#e2e1de}
.tone4{background:#d0cfcc}
.tone5{background:#bdbcb9}
.tone6{background:#9f9e9b}
.tone-cta{background:#5a5957}
section{padding:clamp(38px,5.5vw,72px) 0}

#progress{position:fixed;bottom:0;left:0;height:10px;width:0;background:var(--grad-btn);z-index:50}

/* Header */
header.site{position:sticky;top:0;background:#F9F9F9;z-index:40;transition:box-shadow .2s ease}
header.site.is-scrolled{box-shadow:0 2px 10px rgba(0,0,0,.08)}
.nav{align-items:center;height:74px}
.logo{grid-column:2;display:inline-flex;gap:6px;align-items:center}
.logo i{width:11px;height:11px;background:var(--ink);display:inline-block}
.logo i:nth-child(3){background:var(--accent)}
.logo img{height:60px;width:60px;max-width:none;display:block}
@media (max-width:1024px){ .logo img{height:50px;width:50px} }
/* Logo nur auf Desktop 34px nach unten versetzen (Menü bleibt unverändert) */
@media (min-width:1025px){ .logo{transform:translateY(28px)} }
.navright{grid-column:3 / 13;display:flex;align-items:center;justify-content:flex-end;gap:24px}
.menu{display:flex;gap:24px;font-size:15px}
.menu a:hover,.menu a[aria-current]{color:var(--accent-deep)}
.btn-grad{background:var(--grad-btn);color:#fff;padding:9px 18px;font-size:14px;font-weight:600;display:inline-block;transition:background .15s ease}
.btn-grad:hover{background:var(--ink)}
.btn-grad.nav-cta{font-size:15px}

/* Hamburger-Button (nur Tablet & Mobile sichtbar) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:flex-end;gap:5px;width:44px;height:44px;padding:0;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink)}

/* Vollflächiges Overlay-Menü */
.nav-overlay{position:fixed;inset:0;z-index:60;background:#F9F9F9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;padding:24px}
.nav-overlay[hidden]{display:none}
.nav-close{position:absolute;top:14px;right:20px;width:44px;height:44px;background:none;border:0;font-size:34px;line-height:1;color:var(--ink);cursor:pointer}
.nav-overlay-menu{display:flex;flex-direction:column;align-items:center;gap:24px;font-size:22px}
.nav-overlay-menu a{color:var(--ink)}
.nav-overlay-menu a:hover{color:var(--accent-deep)}
.nav-overlay-menu .btn-grad{color:#fff;font-size:22px;font-weight:500;margin-top:8px}

@media(max-width:1024px){
  .menu{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
}

/* gemeinsame Bausteine */
.bar{width:64px;height:5px;background:var(--accent);margin-bottom:20px}
.label{font-size:14px;color:var(--accent-deep);font-weight:500;margin-bottom:6px}
.gradient-text{background:var(--grad-head);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Hero / Gedanken-Feature */
.hero{padding:clamp(40px,7vw,92px) 0 clamp(10px,2vw,16px)}
.hero .head{grid-column:3 / 11;display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:24px}
.hero h2.kind{font-size:clamp(24px,3.2vw,34px);font-weight:700;letter-spacing:-.015em;line-height:1.1}
.more{font-size:15px;font-weight:500;color:var(--accent-deep);border-bottom:2px solid var(--accent);padding-bottom:2px}

.strip{grid-column:2 / 11;aspect-ratio:16 / 9;overflow:hidden;margin-bottom:30px;background:linear-gradient(135deg,#d6d5d2,#b4b3b0)}
.strip img{width:100%;height:100%;object-fit:cover}

.feature{grid-column:3 / 11}
.feature .date{font-size:13px;color:var(--muted);margin-bottom:25px}
.feature h1,.feature .h1{font-size:clamp(28px,4.4vw,46px);font-weight:700;line-height:1.1em;letter-spacing:-.022em;margin-bottom:16px;max-width:20ch}
.feature p.teaser{font-family:var(--serif);font-size:var(--fs-body);font-style:italic;color:#4a4a4a;line-height:1.64;max-width:56ch;margin-bottom:16px}
.read{font-size:15px;font-weight:500;color:var(--accent)}

/* Beitrags-Liste (Subgrid am 12er-Raster) */
.post-list{grid-column:2 / 11;display:grid;grid-template-columns:subgrid;border-top:1px solid var(--line);margin-top:36px; padding-bottom: 60px}
.post-list .item{grid-column:1 / -1;display:grid;grid-template-columns:subgrid;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.post-list .item:hover h3{color:var(--accent-deep)}
.post-list .date{grid-column:1 / 3;text-align:right;font-size:13px;color:var(--muted)}
.post-list .body{grid-column:3 / 9}
.post-list .arrow{grid-column:9 / 10;justify-self:end;color:var(--accent);font-weight:500}
.post-list h3{font-size:19px;font-weight:700;letter-spacing:-.015em;line-height:1.25}
.post-list .teaser{display:block;font-family:var(--serif);font-size:var(--fs-body);font-style:italic;color:#666;margin-top:14px;line-height:1.64}
@media(max-width:680px){.post-list .item{grid-template-columns:1fr}.post-list .date{grid-column:1;text-align:left;margin-bottom:3px}.post-list .body{grid-column:1}.post-list .arrow{display:none}}

/* Intro-Block */
.introcol{grid-column:2 / 11}
.intro{padding-top:clamp(56px,7vw,82px)} /* Abstand Liste -> Rubrik (ca. eine Listenzeile) */
.intro h2{font-weight:700;font-size:clamp(30px,4.6vw,52px);line-height:1.05;letter-spacing:-.02em;max-width:20ch}
.intro p{font-size:var(--fs-body);color:#3c3c39;max-width:52ch;margin-top:20px;line-height:1.64}

/* Rubrik-Sektionen (Forschung etc.) */
.featcol{grid-column:3 / 11;max-width:64ch}
h2.sec{font-size:clamp(21px,2.6vw,27px);font-weight:700;letter-spacing:-.015em;line-height:1.15;margin-bottom:14px}
.featcol p{font-size:var(--fs-body);color:#3a3a37;line-height:1.64;margin-bottom:14px}
.featcol a.link{font-size:15px;font-weight:500;color:var(--accent)}
/* Auf den dunkleren Sektionen (Lehre, Abschlussarbeiten) Links in Weiß */
.tone5 .featcol a.link,.tone6 .featcol a.link{color:#fff}

/* CTA */
.ctacol{grid-column:2 / 11}
.cta-box{background:var(--grad-btn);color:#fff;padding:clamp(26px,4vw,46px);display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.cta-box h2{font-size:clamp(20px,2.4vw,25px);font-weight:500;max-width:46ch;line-height:1.32;color:#fff}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-box a{background:#fff;color:#252525;padding:13px 24px;font-weight:500;font-size:15px}

/* ---- Einzelner Beitrag (Gedanken-Post) ---- */
.post-header{padding:clamp(40px,6vw,84px) 0 clamp(20px,3vw,34px);background:#F9F9F9}
.post-headcol{grid-column:3 / 11}
.post-header .bar{margin-bottom:25px}
.post-header .label{margin-bottom:25px;color:#33332f}
.post-header .date{font-size:13px;color:var(--muted);margin-top:25px}
.post-header .date .date-current{color:#ff3ea5}
.post-header h1{font-size:clamp(30px,5vw,50px);font-weight:700;line-height:1.1;letter-spacing:-.02em;max-width:22ch}
.post-header .lead{font-family:var(--serif);font-size:calc(var(--fs-body) + 2px);font-style:italic;color:#4a4a4a;line-height:1.64;max-width:54ch;margin-top:22px}
.post-header .readingtime{margin-top:25px;font-size:14px;color:var(--muted)}
.post-cover{grid-column:2 / 12;margin:clamp(24px,4vw,44px) 0 0;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg,#d6d5d2,#b4b3b0)}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* Lesefläche: Serifen-Fließtext, schmale Spalte */
.prose{grid-column:3 / 10;font-family:var(--serif);font-size:var(--fs-body);line-height:1.64;color:#33332f;padding:clamp(30px,4vw,60px) 0 clamp(60px,9vw,120px)}
.prose>*+*{margin-top:1.15em}
.prose h2{font-family:var(--sans);font-size:26px;font-weight:700;letter-spacing:-.015em;line-height:1.2;margin-top:1.8em}
.prose h3{font-family:var(--sans);font-size:20px;font-weight:700;margin-top:1.6em}
.prose a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:2px}
.prose strong{font-weight:600}
.prose blockquote{border-left:4px solid var(--accent);background:#eeeefe;padding:18px 22px;color:#4a4a47;font-style:italic}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{padding-bottom:20px}
.prose img{margin:1.6em 0}

/* Tabellen im Fließtext: Helvetica Now, kleiner, Linien, oben/links ausgerichtet */
.prose table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:14px;line-height:1.5;margin-top:1.6em}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{font-weight:600;background:#efeeec}

/* KI-Disclaimer am Ende eines Beitrags – kleiner und abgesetzt */
.ki-disclaimer{margin-top:2.5em;border-left:4px solid #ff3ea5;background:#ffe9f3;padding:25px 25px 30px;font-family:var(--sans);font-size:14px;font-style:normal;color:var(--muted);line-height:1.64}
.ki-disclaimer .ki-head{display:flex;align-items:center;gap:8px;margin-bottom:6px;color:#b51e6f;font-weight:500}
.ki-disclaimer .ki-head svg{width:16px;height:16px;flex:0 0 auto;color:#ff3ea5}
.ki-disclaimer p{margin:0}
.ki-disclaimer>*+*{margin-top:.6em}

/* Artikel: kleinerer Abstand zwischen Text/Disclaimer und der Navigations-Trennlinie */
article .prose{padding-bottom:clamp(24px,4vw,44px)}
.post-foot{grid-column:3 / 11;border-top:1px solid var(--line);padding-top:34px;margin-bottom:clamp(56px,8vw,96px);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.post-foot a{font-size:15px;font-weight:500;color:var(--accent-deep)}

/* Standardseite */
.page-head{padding:clamp(40px,6vw,84px) 0 clamp(14px,2vw,24px)}
.page-headcol{grid-column:3 / 11}
.page-headcol h1{font-size:clamp(30px,4.5vw,50px);font-weight:700;letter-spacing:-.02em;line-height:1.05}

/* Sans-Variante der Lesefläche (Serife bleibt 'Gedanken' vorbehalten) */
.prose.sans{font-family:var(--sans)}
.prose.sans h2,.prose.sans h3{font-family:var(--sans)}
/* Abschlussarbeiten: schmaler (~75%) und am Raster ausgerichtet */
.page-headcol.aa{grid-column:3 / 9;padding-bottom:20px}
.prose.aa{grid-column:3 / 9}
/* Abschlussarbeiten-Einleitung: halber Abstand zur Zwischennavigation */
.prose.aa-intro{padding-bottom:clamp(30px,4.5vw,60px)}

/* Unter-Navigation (Abschlussarbeiten) */
.subnav{display:flex;flex-wrap:wrap;gap:8px 18px;margin:6px 0 10px}
.subnav a{font-size:15px;color:var(--accent-deep);padding-bottom:3px;border-bottom:2px solid transparent}
.subnav a:hover{border-color:var(--accent)}
.subnav a.active{color:var(--ink);border-color:var(--accent);font-weight:500}
/* Nur auf der Einstiegsseite Abschlussarbeiten: 40px Abstand der Subnavigation zum Footer */
.subnav-foot{margin-bottom:40px}

/* Abschluss-Streifen über/unter dem Footer */
.foot-stripe-top{height:40px;background:#3d3d3d}
.foot-stripe-bottom{height:70px;background:#000000;display:flex;align-items:center}
.foot-stripe-bottom .grid{width:100%}

/* Footer */
footer.site{background:var(--footer);color:#cfcfcf;padding-top:40px; padding-bottom: 50px;padding-left: 0;padding-right: 0;font-size:14px}
.footcol{grid-column:2 / 13;display:flex;flex-direction:column;align-items:flex-start;gap:2px;line-height:1.5}
.footcol .bold{font-weight:700}
.footcol .spacer{height:1em}
.footcol a{color:#cfcfcf}
footer.site a:hover{color:#fff}
.vibecoded{grid-column:2 / 13;font-size:12px;color:#9a9a9a;line-height:1.6;white-space:nowrap}
.vibecoded a{color:#9a9a9a;text-decoration:none;white-space:nowrap}
.vibecoded a:hover{color:#fff}
.vc-ic{vertical-align:-2px;margin-right:1px}
.vc-logo{height:14px;width:auto;vertical-align:-3px;display:inline-block}
.vibecoded a:hover .vc-logo{opacity:.8}

/* Kontaktformular */
.form-col{grid-column:3 / 9;padding:clamp(20px,3vw,32px) 0 clamp(48px,7vw,90px)}
.contact-form{display:flex;flex-direction:column;gap:18px;max-width:52ch}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500;color:var(--ink)}
.contact-form input,.contact-form textarea{font-family:var(--sans);font-size:var(--fs-body);font-weight:400;padding:11px 13px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}
.contact-form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.contact-form button{align-self:flex-start;background:var(--grad-btn);color:#fff;border:none;padding:13px 24px;font-weight:500;font-size:15px;cursor:pointer}
.form-success{font-size:var(--fs-body);color:#1f7a4d;background:#eafaf1;border-left:4px solid #1f7a4d;padding:16px 20px}
.form-alert{font-size:var(--fs-body);color:#a32d2d;background:#fceaea;border-left:4px solid #a32d2d;padding:14px 18px;margin-bottom:16px}

/* Eingebettetes Termin-Widget (YouCanBook.me) */
.embed{grid-column:2 / 12;margin:clamp(20px,3vw,32px) 0 clamp(40px,6vw,72px)}

/* ============================================================
   Responsive Konvention
   Fließtext & Introtext: Desktop 17px · Tablet 16px · Mobile 14px
   ============================================================ */
@media (max-width:1024px){ :root{ --fs-body:16px } .strip{aspect-ratio:16 / 9} }
@media (max-width:600px){
  :root{ --fs-body:16px }
  /* Mobile-Ausrichtung am Raster */
  .logo{grid-column:1}
  .hero .head{grid-column:2 / 12}
  .feature{grid-column:2 / 12}
  .strip{grid-column:1 / 13;aspect-ratio:4 / 3}      /* Bild: volle Breite, Format 4:3 */
  .post-cover{grid-column:1 / 13} /* Bild: volle Breite (alle 12 Spalten) */
  .ctacol{grid-column:2 / 12}     /* CTA-Box: Spalte 2 bis 11 */
  .post-foot{grid-column:2 / 12}  /* Beitrags-Navigation: Spalte 2 bis 11 */
  .introcol{grid-column:2 / 12}
  .featcol{grid-column:2 / 12}
  .post-headcol{grid-column:2 / 12}
  .prose{grid-column:2 / 12}
  .form-col{grid-column:2 / 12}
  .embed{grid-column:1 / 13}
  /* Abschlussarbeiten mobil: linksbündig wie Fließtext */
  .page-headcol.aa{grid-column:2 / 12}
  .prose.aa{grid-column:2 / 12}
  /* Abstand Liste -> Rubrik mobil ca. halbe Listenzeile */
  .intro{padding-top:30px}
}