/* Theresienstraße 46/48 · Sep-Ruf-Haus — sepruf.maxvorstadtvibes.de
   Gestaltung im Geist der Nachkriegsmoderne: helles Grau, Schwarzweiß-Fotos mit Schatten, feine Linien, Rot wie Maxvorstadt Vibes.
   Schriften selbst gehostet (Jost, Inter · SIL Open Font License). */
@import url("../fonts/fonts.css");

:root{
  --paper:#F4F4F3;
  --paper-2:#EAEAE8;
  --ink:#141414;
  --ink-2:#4F4F4F;
  --ink-3:#8A8A88;
  --line:#D5D5D3;
  --accent:#E1261C;
  --shadow:0 22px 44px -16px rgba(0,0,0,.38), 0 6px 14px -6px rgba(0,0,0,.14);
  --f-display:'Jost',"Futura","Avenir Next","Helvetica Neue",Arial,sans-serif;
  --f-text:'Inter',"Helvetica Neue",Arial,sans-serif;
  --max:1240px;
  --gutter:clamp(18px,4vw,56px);
  --hair:1px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-text);font-size:17px;line-height:1.65;font-feature-settings:"kern","liga","calt";-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
/* Fotos: Schwarzweiß, mit Schatten */
.hero figure img,figure.fig img,.card img,.gallery img,.lb img{filter:grayscale(1) contrast(1.04);box-shadow:var(--shadow);background:#fff}
.video-item video{box-shadow:var(--shadow)}
.hero figure img.keep-color,figure.fig img.keep-color,.gallery img.keep-color,.lb img.keep-color{filter:none}
a{color:inherit;text-decoration:none;border-bottom:var(--hair) solid var(--line);transition:border-color .2s,color .2s}
a:hover{border-color:var(--ink)}
::selection{background:var(--ink);color:var(--paper)}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:99}

/* ---------- Typografie ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:300;line-height:1.05;margin:0;letter-spacing:-.005em}
h1{font-size:clamp(46px,7.2vw,104px)}
h2{font-size:clamp(32px,4.4vw,58px)}
h3{font-size:clamp(22px,2.2vw,28px);font-weight:400;line-height:1.2}
h4{font-size:15px;font-weight:500;letter-spacing:.14em;text-transform:uppercase}
p{margin:0 0 1.2em}
.eyebrow{font-family:var(--f-display);font-weight:500;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);display:block}
.eyebrow b{color:var(--accent);font-weight:500}
.lead{font-family:var(--f-display);font-weight:300;font-size:clamp(21px,2.3vw,29px);line-height:1.35;max-width:34ch}
.prose{max-width:66ch}
.prose p{margin-bottom:1.25em}
.prose h3{margin:2.2em 0 .6em}
.prose h3:first-child{margin-top:0}
.prose ul{padding-left:1.1em}
.prose li{margin-bottom:.4em}
.prose strong{font-weight:600}
.small{font-size:14px;color:var(--ink-2)}
.mono{font-family:var(--f-display);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.cite{color:var(--ink-3);font-size:.85em;white-space:normal}
hr{border:0;border-top:var(--hair) solid var(--line);margin:0}

/* ---------- Kopf ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,244,243,.92);backdrop-filter:saturate(120%) blur(8px);border-bottom:var(--hair) solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;flex-direction:column;border:0;line-height:1.1}
.brand{display:grid;grid-template-columns:auto auto;column-gap:26px;align-items:center;justify-content:start}
.brand .b1,.brand .b2{grid-column:1}
.brand-mini{grid-column:2;grid-row:1 / span 2;height:40px;width:auto;display:block}
.brand .b1,.nav-list a{white-space:nowrap}
@media (max-width:1240px) and (min-width:1101px){.nav-list{gap:22px}}
@media (max-width:540px){.brand-mini{display:none}}
.brand .b1{font-family:var(--f-display);font-weight:500;font-size:14px;letter-spacing:.22em;text-transform:uppercase}
.brand .b2{font-family:var(--f-display);font-weight:400;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}
.nav-list{display:flex;gap:30px;list-style:none;margin:0;padding:0}
.nav-list a{font-family:var(--f-display);font-weight:400;font-size:14px;letter-spacing:.12em;text-transform:uppercase;border:0;padding:6px 0;border-bottom:2px solid transparent}
.nav-list a:hover,.nav-list a.is-active{border-bottom-color:var(--ink)}
.nav-list a.ext{color:var(--ink-3)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:1.5px;background:var(--ink);margin:6px 0;transition:transform .2s,opacity .2s}
@media (max-width:1100px){
  .nav-toggle{display:block}
  .nav-list{position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:var(--hair) solid var(--line);flex-direction:column;gap:0;padding:8px var(--gutter) 18px;display:none}
  .nav-list.is-open{display:flex}
  .nav-list li{border-top:var(--hair) solid var(--line)}
  .nav-list a{display:block;padding:14px 0;border-bottom:0;font-size:15px}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(40px,7vw,96px);padding-bottom:clamp(36px,5vw,64px)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,5vw,72px);align-items:end}
.hero .sub{font-family:var(--f-display);font-weight:300;font-size:clamp(19px,2vw,26px);line-height:1.35;max-width:36ch;margin:28px 0 0}
.hero figure{margin:0}
.hero figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero figure img.plan{aspect-ratio:auto;object-fit:contain;background:#fff;padding:0;width:auto;max-width:100%;max-height:600px;margin-left:auto}
.hero figure:has(img.plan) figcaption{text-align:right}
.hero figcaption,.figcap{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:18px;line-height:1.5}
.hero h1 .thin{display:block;font-weight:300;color:var(--ink-3);font-size:.5em;letter-spacing:.02em;margin-bottom:.35em;line-height:1.1}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero figure img{aspect-ratio:4/3}.hero figure img.plan{aspect-ratio:auto;max-width:420px;margin:0 auto}}

/* Kennzahlen */
.facts{border-top:var(--hair) solid var(--line);border-bottom:var(--hair) solid var(--line);display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
.facts div{padding:22px 18px 20px;border-right:var(--hair) solid var(--line)}
.facts div:last-child{border-right:0}
.facts .n{font-family:var(--f-display);font-weight:300;font-size:clamp(30px,3.4vw,48px);line-height:1;display:block}
.facts .l{font-family:var(--f-display);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-top:10px;display:block}
@media (max-width:860px){.facts{grid-template-columns:repeat(3,minmax(0,1fr))}.facts div{padding:16px 10px 14px}.facts .n{font-size:clamp(20px,6.4vw,30px)}.facts .l{font-size:10px;letter-spacing:.1em}.facts div:nth-child(3n){border-right:0}.facts div:nth-child(-n+3){border-bottom:var(--hair) solid var(--line)}}

/* Fassadenzeichnung über die volle Breite (Startseite) */
.hero-drawing{margin:0;background:#fff;border-bottom:var(--hair) solid var(--line)}
.hero-drawing img{width:100%;height:auto;display:block;max-width:2000px;margin:0 auto}
.hero-drawing figcaption{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding-top:14px;padding-bottom:14px;line-height:1.5}
.hero-drawing + .hero{padding-top:clamp(48px,7vw,104px)}

/* ---------- Abschnitte ---------- */
.section{padding-top:clamp(56px,8vw,120px);padding-bottom:clamp(56px,8vw,120px)}
.section-s{padding-top:clamp(36px,5vw,72px);padding-bottom:clamp(36px,5vw,72px)}
.rule{border-top:var(--hair) solid var(--line)}
.two-col{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,5vw,80px)}
.two-col .side{position:sticky;top:96px;align-self:start}
.two-col .side h2{margin:14px 0 18px}
@media (max-width:860px){.two-col{grid-template-columns:1fr}.two-col .side{position:static}}

/* Teaser-Karten */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,40px)}
.card{border:0;display:block}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .3s}
.card h3{margin:18px 0 8px;font-weight:400}
.card p{color:var(--ink-2);font-size:15px;margin:0}
.card .go{display:inline-block;margin-top:12px;font-family:var(--f-display);font-size:12px;letter-spacing:.16em;text-transform:uppercase;border-bottom:var(--hair) solid var(--ink)}
.card:hover img{transform:translateY(-3px)}
@media (max-width:860px){.cards{grid-template-columns:1fr}}

/* Bild + Bildunterschrift */
figure.fig{margin:0}
figure.fig img{width:100%}
figure.fig figcaption{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:18px;line-height:1.5}
figure.fig.fig-wide{margin:clamp(40px,6vw,80px) 0 clamp(48px,7vw,96px)}

/* Zitat */
.quote{border-top:var(--hair) solid var(--line);border-bottom:var(--hair) solid var(--line);padding:clamp(28px,4vw,48px) 0;margin:clamp(32px,5vw,64px) 0}
.quote blockquote{margin:0;font-family:var(--f-display);font-weight:300;font-size:clamp(24px,3vw,40px);line-height:1.25;max-width:26ch}
.quote cite{display:block;font-style:normal;font-family:var(--f-display);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-top:18px}

/* Chronik */
.timeline{list-style:none;margin:0;padding:0;border-top:var(--hair) solid var(--line)}
.timeline li{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:16px 0;border-bottom:var(--hair) solid var(--line)}
.timeline .y{font-family:var(--f-display);font-weight:500;font-size:14px;letter-spacing:.08em;color:var(--accent)}
.timeline .t{font-size:15.5px;color:var(--ink-2)}
.timeline .t strong{color:var(--ink);font-weight:500}
@media (max-width:600px){.timeline li{grid-template-columns:1fr;gap:4px}}

/* Werkliste */
.works{list-style:none;margin:0;padding:0;border-top:var(--hair) solid var(--line)}
.works li{display:grid;grid-template-columns:110px 1fr 1fr;gap:20px;padding:14px 0;border-bottom:var(--hair) solid var(--line);font-size:15.5px}
.works .y{font-family:var(--f-display);font-weight:500;letter-spacing:.06em;color:var(--ink-2)}
.works .w{font-weight:500}
.works .p{color:var(--ink-3)}
@media (max-width:600px){.works li{grid-template-columns:90px 1fr}.works .p{grid-column:2}}

/* Quellen */
.sources{list-style:none;margin:0;padding:0;border-top:var(--hair) solid var(--line)}
.sources li{padding:14px 0;border-bottom:var(--hair) solid var(--line);font-size:15px;display:grid;grid-template-columns:44px 1fr;gap:12px}
.sources .k{font-family:var(--f-display);font-weight:500;color:var(--ink-3);letter-spacing:.1em}
.sources .m{color:var(--ink-3);font-size:13.5px;display:block}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(20px,3vw,40px)}
.gallery figure{margin:0;grid-column:span 6}
.gallery figure.w12{grid-column:span 12}
.gallery figure.w4{grid-column:span 4}
.gallery figure.w8{grid-column:span 8}
.gallery a{border:0;display:block;cursor:zoom-in}
.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover}
.gallery figure.w12 img{aspect-ratio:21/9}
.gallery figure.pano img{aspect-ratio:auto;object-fit:contain}
.gallery figcaption{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:16px;line-height:1.5}
@media (max-width:860px){.gallery figure,.gallery figure.w4,.gallery figure.w8{grid-column:span 12}}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(20,20,20,.96);z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
.lb.is-open{display:flex}
.lb img{max-width:100%;max-height:calc(100vh - 110px);width:auto;height:auto;object-fit:contain;box-shadow:none;background:transparent}
.lb .lb-cap{position:absolute;left:24px;right:24px;bottom:22px;color:#CFCFCF;font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-align:center}
.lb button{position:absolute;top:14px;background:none;border:0;color:#fff;font-family:var(--f-display);font-size:13px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;padding:12px}
.lb .lb-close{right:14px}
.lb .lb-prev{left:14px;top:50%;transform:translateY(-50%);font-size:28px}
.lb .lb-next{right:14px;top:50%;transform:translateY(-50%);font-size:28px}

/* Video */
.video-list{display:grid;gap:clamp(40px,6vw,80px)}
.video-item video{width:100%;aspect-ratio:16/9;background:#000}
.video-item .cap{display:flex;flex-wrap:wrap;gap:8px 32px;justify-content:space-between;margin-top:12px}
.video-item .cap .place{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.video-item .cap .meta{font-family:var(--f-display);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}

/* Weiter-Leiste */
.next{border-top:var(--hair) solid var(--line);padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(40px,5vw,72px);display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end}
.next a{border:0}
.next .big{font-family:var(--f-display);font-weight:300;font-size:clamp(30px,4vw,54px);line-height:1.05;display:block;margin-top:14px}
.next .big:hover{color:var(--accent)}
@media (max-width:860px){.next{grid-template-columns:1fr}}

/* Fuß */
.site-footer{border-top:var(--hair) solid var(--ink);margin-top:clamp(40px,6vw,80px);padding:clamp(36px,5vw,64px) 0 32px;font-size:14px;color:var(--ink-2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}
.site-footer h4{margin:0 0 14px;color:var(--ink)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{border-bottom-color:transparent}
.site-footer a:hover{border-bottom-color:var(--ink)}
.footer-brand{font-family:var(--f-display);font-weight:300;font-size:28px;color:var(--ink);line-height:1.1}
.footer-legal{margin-top:40px;padding-top:18px;border-top:var(--hair) solid var(--line);display:flex;flex-wrap:wrap;gap:8px 28px;font-family:var(--f-display);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.mvv{display:inline-flex;align-items:center;gap:10px;border:var(--hair) solid var(--line);padding:10px 14px;margin-top:6px;border-radius:2px}
.mvv:hover{border-color:var(--ink)}
.mvv .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex:none}
.mvv span{font-family:var(--f-display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* Rechtstexte */
.legal h3{margin:2em 0 .5em}
.legal ul{padding-left:1.1em}
@media (max-width:400px){.brand .b1{font-size:12px;letter-spacing:.12em}.brand .b2{font-size:10px;letter-spacing:.12em}}