/* CONCEPT A — DOSSIER · Split-Screen: dunkle Personalakte links, heller Inhalt rechts */
:root{
  --ink:#17191D; --paper:#F5F3EE; --paper-2:#FBFAF6;
  --charcoal:#191B20; --charcoal-2:#212429;
  --on-dark:#EAE7E0; --on-dark-dim:#9A958B;
  --stamp:#B23A2E; --stamp-2:#C8493B;
  --line-l:#E2DCD1;
  --line-dk:rgba(255,255,255,.12);
  --mute:#7C7669;
  --disp:"Fraunces",Georgia,serif; --body:"IBM Plex Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",monospace;
}
*{box-sizing:border-box}
body.concept-a{margin:0;height:100vh;overflow:hidden;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--disp);font-weight:600;margin:0;line-height:1.08;letter-spacing:-.01em}
a{color:inherit}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--stamp);color:#fff;padding:.6rem 1rem}
.skip-link:focus{left:1rem;top:1rem}
:where(a,button,input,textarea,select):focus-visible{outline:2px solid var(--stamp);outline-offset:3px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.dossier{display:grid;grid-template-columns:minmax(340px,390px) 1fr;height:100vh}

/* ===== linke Spalte ===== */
.identity{background:var(--charcoal);color:var(--on-dark);height:100vh;overflow-y:auto;padding:2rem 2rem 1.6rem;display:flex;flex-direction:column;gap:1.5rem;border-right:1px solid #000}
.identity-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.id-logo{height:62px;width:auto;filter:brightness(0) invert(1)}
.id-file{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--stamp-2);margin:0;text-align:right}
.id-portrait{margin:0;position:relative}
.id-portrait img{width:100%;height:auto;display:block;filter:grayscale(1) contrast(1.05) brightness(.95);border:1px solid var(--line-dk)}
.id-portrait::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:40%;background:linear-gradient(transparent,var(--charcoal))}
.id-name h1{color:var(--on-dark);font-size:2rem}
.id-role{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-dim);margin:.35rem 0 0}
.id-stats{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1rem;margin:0;padding:1.1rem 0;border-block:1px solid var(--line-dk)}
.id-stats div{display:flex;flex-direction:column-reverse;gap:.1rem}
.id-stats dd{margin:0;font-family:var(--disp);font-size:1.5rem;color:var(--on-dark);line-height:1}
.id-stats dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-dim)}
.id-index{display:flex;flex-direction:column;margin-top:.2rem}
.id-index a{display:flex;align-items:baseline;gap:.9rem;padding:.6rem 0;text-decoration:none;color:var(--on-dark-dim);border-top:1px solid var(--line-dk);font-size:1rem;transition:color .2s,padding-left .2s}
.id-index a:first-child{border-top:0}
.id-index a:hover,.id-index a.active{color:var(--on-dark);padding-left:.4rem}
.id-index a.active{color:var(--stamp-2)}
.ix-num{font-family:var(--mono);font-size:.7rem;color:var(--stamp-2);min-width:1.4rem}
.id-foot{margin-top:auto;display:flex;flex-direction:column;gap:.5rem;padding-top:1.2rem}
.id-foot .lang-select{appearance:none;align-self:flex-start;background:var(--charcoal-2);color:var(--on-dark);border:1px solid var(--line-dk);font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;padding:.4rem 1.4rem .4rem .6rem;border-radius:2px;cursor:pointer;margin-bottom:.4rem}
.id-mail,.id-tel{font-family:var(--mono);font-size:.78rem;color:var(--on-dark-dim);text-decoration:none}
.id-mail:hover,.id-tel:hover{color:var(--stamp-2)}

/* ===== rechte Spalte ===== */
.content{height:100vh;overflow-y:auto;scroll-behavior:smooth;background:var(--paper);padding:clamp(2.5rem,6vw,6rem) clamp(2rem,6vw,7rem)}
.c-hero{min-height:calc(100vh - 12rem);display:flex;flex-direction:column;justify-content:center;padding-bottom:3rem;border-bottom:1px solid var(--line-l)}
.c-kicker{font-family:var(--mono);font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--stamp);margin:0 0 1.4rem}
.c-lede{font-family:var(--disp);font-weight:600;font-size:clamp(2.6rem,6vw,5rem);line-height:1.02;letter-spacing:-.02em;max-width:16ch}
.c-lede em{font-style:italic;color:var(--stamp)}
.c-sub{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--mute);max-width:52ch;margin:1.6rem 0 2.2rem}
.c-cta{align-self:flex-start;display:inline-block;font-family:var(--mono);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;background:var(--stamp);color:#fff;padding:.9rem 1.7rem;border:0;border-radius:2px;cursor:pointer;transition:background .2s}
.c-cta:hover{background:var(--stamp-2)}

.c-block{padding:clamp(3rem,6vw,5rem) 0;border-bottom:1px solid var(--line-l)}
.c-head{display:flex;align-items:baseline;gap:1.2rem;margin-bottom:2rem}
.c-idx{font-family:var(--mono);font-size:.9rem;color:var(--stamp);padding-top:.3rem}
.c-head h3{font-size:clamp(1.8rem,3.5vw,2.8rem)}
.c-body{max-width:60ch}
.c-body p{margin:0 0 1.1rem;color:var(--ink)}
.c-list{display:grid;gap:0}
.c-list article{padding:1.5rem 0;border-top:1px solid var(--line-l);display:grid;grid-template-columns:minmax(180px,1fr) 2fr;gap:1.5rem;align-items:start}
.c-list article:first-child{border-top:0}
.c-list h4{font-size:1.4rem}
.c-list p{margin:0;color:var(--mute)}
.c-timeline{display:grid;gap:0}
.c-role{padding:1.6rem 0;border-top:1px solid var(--line-l)}
.c-role:first-child{border-top:0}
.c-role h4{font-size:1.5rem;display:inline}
.c-role span{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--stamp);margin-left:.8rem}
.c-role p{margin:.6rem 0 0;color:var(--mute);max-width:64ch}
.c-quotes{display:grid;gap:1.5rem}
.c-quotes blockquote{margin:0;font-family:var(--disp);font-style:italic;font-size:1.25rem;line-height:1.45;padding-left:1.4rem;border-left:3px solid var(--stamp);color:var(--ink)}
.c-contact{max-width:560px}
.form-group{margin-bottom:1.1rem}
.contact-form label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-bottom:.4rem}
.contact-form input,.contact-form textarea{width:100%;background:var(--paper-2);border:1px solid var(--line-l);border-radius:2px;color:var(--ink);font-family:var(--body);font-size:1rem;padding:.8rem .9rem}
.contact-form textarea{min-height:120px;resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--stamp);outline:none}
.contact-form input.error,.contact-form textarea.error{border-color:var(--stamp)}
.form-error{display:none;color:var(--stamp);font-family:var(--mono);font-size:.74rem;margin-top:.35rem}
.form-error.visible{display:block}
.form-success{display:none;margin-top:1rem;padding:.9rem;border:1px solid var(--stamp);border-radius:2px;color:var(--stamp);font-family:var(--mono);font-size:.85rem}
.form-success.visible{display:block}
.c-foot{display:flex;flex-wrap:wrap;gap:1.4rem;align-items:center;padding-top:2.5rem;font-family:var(--mono);font-size:.74rem;color:var(--mute)}
.c-foot a{color:var(--mute);text-decoration:none}
.c-foot a:hover{color:var(--stamp)}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important}.content{scroll-behavior:auto}}

/* ===== mobil: stapeln, eine Scroll-Achse ===== */
@media (max-width:900px){
  body.concept-a{height:auto;overflow:auto}
  .dossier{grid-template-columns:1fr;height:auto}
  .identity{height:auto;position:static;border-right:0;border-bottom:1px solid #000}
  .id-index{display:none}
  .content{height:auto;overflow:visible;padding:2rem 1.5rem}
  .c-hero{min-height:auto;padding:2rem 0 3rem}
  .c-list article{grid-template-columns:1fr;gap:.4rem}
}