/* KUNST AUS DEM KELLER · Auktion · bastianbrexner.de · 2026-09 */
:root{--paper:#f2efe8;--ink:#171714;--muted:#6d6a62;--line:#cbc6bc;--red:#a53627;--panel:#e8e3d9;--field:#f7f4ed}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.45}
a{color:inherit;text-decoration:none}
img{display:block;width:100%}
.wrap{width:min(calc(100% - 48px),1380px);margin:auto}

/* DIA · die Seite hält inne, bevor der Inhalt erscheint */
.dia{opacity:0;transition:opacity .8s ease}
.dia.on{opacity:1}
/* PULS · Elemente erscheinen nacheinander (80 ms) */
.puls>*{opacity:0;transform:translateY(6px);transition:opacity .6s ease,transform .6s ease}
.puls.on>*{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.dia,.puls>*{opacity:1!important;transform:none!important;transition:none!important}}

/* Kopf */
.intro{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,8vw,130px);padding:clamp(60px,9vw,130px) 0 clamp(40px,6vw,80px);align-items:end}
.kicker{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--red)}
h1{margin:22px 0 0;font:400 clamp(40px,5.4vw,84px)/.88 Georgia,serif;letter-spacing:-.045em;overflow-wrap:break-word;hyphens:none}
.lead{margin:0;font:400 clamp(20px,2.4vw,32px)/1.25 Georgia,serif}
.details{margin-top:26px;color:var(--muted);font-size:12px;letter-spacing:.1em;text-transform:uppercase;line-height:1.8}

/* Werk + Bietfeld */
.stage{display:grid;grid-template-columns:minmax(0,7fr) minmax(320px,5fr);gap:clamp(28px,4vw,60px);padding:0 0 clamp(60px,8vw,110px);align-items:start}
.werk{background:#ded9cf;border:1px solid var(--line)}
.werk img{height:auto;background:#ded9cf}
.werk figcaption{padding:12px 0 0;color:var(--muted);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.bietfeld{position:sticky;top:24px;border-top:1px solid var(--ink);padding-top:18px}
.zeile{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.zeile .l{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.zeile .r{font:400 15px/1.3 Georgia,serif;text-align:right}
.stand{padding:22px 0 18px;border-bottom:1px solid var(--line)}
.stand .l{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.stand .betrag{margin-top:6px;font:400 clamp(48px,6vw,84px)/1 Georgia,serif;letter-spacing:-.04em}
.stand .betrag.datum{font-size:clamp(26px,2.6vw,34px);line-height:1.15;letter-spacing:-.01em}
.stand .betrag small{font-size:.42em;letter-spacing:0;color:var(--muted);margin-left:.15em}
.stand .sub{margin-top:8px;font-size:13px;color:var(--muted)}
.stand .sub b{color:var(--ink);font-weight:600}
.countdown{font-variant-numeric:tabular-nums}
.countdown.knapp{color:var(--red)}
.countdown.knapp::after{content:" · Bieterschutz aktiv";font-size:11px;letter-spacing:.1em;text-transform:uppercase}

.form{padding:20px 0 6px}
.form label{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.row{display:flex;gap:10px;align-items:stretch}
.row .feld{flex:1;position:relative}
input[type=number],input[type=email],input[type=text]{width:100%;min-height:52px;padding:0 16px;border:1px solid var(--ink);background:var(--field);color:var(--ink);font:400 20px/1 Georgia,serif;border-radius:0;-moz-appearance:textfield}
input[type=email],input[type=text]{font-size:16px;font-family:Arial,Helvetica,sans-serif}
input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.feld .euro{position:absolute;right:16px;top:50%;transform:translateY(-50%);font:400 18px Georgia,serif;color:var(--muted);pointer-events:none}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;background:var(--ink);color:var(--paper)!important;border:1px solid var(--ink);font-size:11px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;white-space:nowrap;font-family:Arial,Helvetica,sans-serif}
.btn:hover{background:var(--red);border-color:var(--red)}
.btn[disabled]{opacity:.45;cursor:not-allowed;background:var(--ink);border-color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)!important}
.btn.ghost:hover{background:var(--ink);color:var(--paper)!important}
.hint{margin:10px 0 0;font-size:12px;color:var(--muted);line-height:1.55}
.msg{margin:14px 0 0;padding:14px 16px;background:var(--panel);font-size:14px;line-height:1.5;display:none}
.msg.on{display:block}
.msg.ok{background:#e4ebe1}
.msg.err{background:#eddcd8}
.wer{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--muted)}
.wer a{color:var(--red);border-bottom:1px solid currentColor}
.hidden{display:none!important}

/* Erklärung */
.explain{border-top:1px solid var(--line);padding:45px 0 30px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.explain h2{margin:0;font:400 clamp(34px,4.6vw,60px)/.95 Georgia,serif;letter-spacing:-.04em}
.explain p{margin:0 0 16px;font-size:17px;max-width:650px;line-height:1.6}
.regeln{border-top:1px solid var(--line);padding:45px 0 100px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.regeln h2{margin:0;font:400 clamp(34px,4.6vw,60px)/.95 Georgia,serif;letter-spacing:-.04em}
.regeln ol{margin:0;padding:0;list-style:none;counter-reset:r;max-width:680px}
.regeln li{counter-increment:r;display:grid;grid-template-columns:44px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.55}
.regeln li::before{content:counter(r,decimal-leading-zero);font:400 13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.1em;color:var(--red)}
.regeln li b{font-weight:600}
.regeln a{color:var(--red);border-bottom:1px solid currentColor}
.klein{font-size:12px;color:var(--muted);line-height:1.6;margin-top:18px}

/* Konto */
.konto{width:min(calc(100% - 48px),900px);margin:auto;padding:clamp(60px,9vw,130px) 0 100px}
.konto h1{font-size:clamp(48px,8vw,110px)}
.konto .block{border-top:1px solid var(--line);padding:28px 0}
.konto .block h2{margin:0 0 14px;font:400 24px/1.1 Georgia,serif}
.liste{margin:0;padding:0;list-style:none}
.liste li{display:grid;grid-template-columns:1fr auto auto;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;align-items:baseline}
.liste li .t{font:400 17px Georgia,serif}
.liste li .s{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.liste li .s.f{color:var(--red)}

@media(max-width:900px){
  .wrap{width:calc(100% - 28px)}
  .intro,.stage,.explain,.regeln{grid-template-columns:1fr}
  .intro{gap:24px;padding-top:50px}
  h1{font-size:clamp(38px,11vw,64px)}
  .bietfeld{position:static}
  .row{flex-direction:column}
  .liste li{grid-template-columns:1fr;gap:4px}
}