:root{
  --bg:#0f1a28; --bg2:#1c2a3c; --fg:#f3f7f6; --muted:#a3b5bd; --accent:#21b4a6; --line:#25404a; --on-accent:#061314;
  --serif:Georgia,"Times New Roman",serif; --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.site-header,.site-footer{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding:1.2rem clamp(1rem,4vw,3rem)}
.site-header{padding-top:.8rem;padding-bottom:.8rem}
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(15,26,40,.9);backdrop-filter:blur(8px);z-index:10}
.brand{display:flex;align-items:center;gap:.8rem;font:600 1.35rem var(--serif);text-decoration:none;letter-spacing:.02em}
.brand .logo{height:56px;width:auto}
@media(max-width:560px){.brand .logo{height:44px}.brand{font-size:1.15rem}}
nav a{margin-left:1.4rem;text-decoration:none;color:var(--muted);transition:color .2s}
nav a:hover,nav a.active{color:var(--fg)}
.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;margin-top:5rem}
main{padding:0 clamp(1rem,4vw,3rem)}

.hero{max-width:60rem;margin:clamp(3rem,9vw,7rem) 0 2.5rem}
.hero h1{font:400 clamp(2.4rem,6vw,4.6rem)/1.08 var(--serif);margin:0 0 1.2rem}
.hero .lead{font-size:1.2rem;color:var(--muted);max-width:42rem}
.hero .lead p{margin:0}
.filter{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.8rem}
.chip{font:inherit;font-size:.9rem;color:var(--muted);background:none;border:1px solid var(--line);border-radius:99px;padding:.35rem 1.05rem;cursor:pointer;transition:.2s}
.chip:hover{color:var(--fg);border-color:var(--muted)}
.chip.active{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}

.grid{display:grid;gap:clamp(.6rem,1.4vw,1.2rem);grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.card{position:relative;display:block;overflow:hidden;background:var(--bg2);aspect-ratio:1/1;border-radius:6px;border:1px solid var(--line)}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,filter .4s}
.card:hover,.card:focus-visible{border-color:var(--accent)}
.card:hover img,.card:focus-visible img{transform:scale(1.045);filter:brightness(.6)}
.card .cap{position:absolute;inset:auto 0 0 0;padding:2.5rem 1.1rem 1rem;background:linear-gradient(transparent,rgba(6,19,20,.85));display:flex;flex-direction:column;gap:.1rem}
.card .cap strong{font:400 1.2rem var(--serif)}
.card .cap small{color:#cfc8bc}
.card[hidden]{display:none}

.projekt,.seite{max-width:78rem;margin:2.5rem auto 0}
.back{color:var(--muted);text-decoration:none;font-size:.95rem}
.back:hover{color:var(--accent)}
.projekt h1,.seite h1{font:400 clamp(2rem,5vw,3.6rem)/1.1 var(--serif);margin:.8rem 0 .3rem}
.meta{color:var(--accent);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;margin:0 0 1.6rem}
.text{max-width:44rem}
.text ul{padding-left:0;list-style:none;color:var(--muted);border-left:2px solid var(--accent);padding-left:1rem}
.text p{margin:0 0 1.1rem}
.gallery{display:grid;gap:clamp(.6rem,1.4vw,1.2rem);margin-top:2.2rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,520px),1fr))}
.gallery a{display:block;overflow:hidden;background:var(--bg2);cursor:zoom-in;border-radius:3px}
.gallery img{width:100%;transition:transform .5s}
.gallery a:hover img{transform:scale(1.02)}
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:3.5rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.pager a{color:var(--muted);text-decoration:none}.pager a:hover{color:var(--accent)}

.about{margin-top:1.8rem}
.about.has-portrait{display:grid;gap:2.5rem;grid-template-columns:minmax(220px,340px) 1fr;align-items:start}
.about:not(.has-portrait) .text{max-width:62rem}
.about:not(.has-portrait) .text h3{font:400 1.25rem var(--serif);margin:1.8rem 0 .5rem}
.portrait{border-radius:3px;width:100%}
@media(max-width:760px){.about.has-portrait{grid-template-columns:1fr}.portrait{max-width:320px}nav a{margin-left:1rem}}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(6,19,20,.96);display:none;align-items:center;justify-content:center;z-index:100}
.lb.open{display:flex}
.lb img{max-width:94vw;max-height:90vh;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:2.4rem;cursor:pointer;padding:1rem;opacity:.7}
.lb button:hover{opacity:1}
.lb .x{top:.4rem;right:.8rem}.lb .p{left:.4rem;top:50%}.lb .n{right:.4rem;top:50%}
.lb .count{position:absolute;bottom:1rem;color:var(--muted);font-size:.9rem}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Tabellen und Zwischenüberschriften im Text */
.text h2{font:400 1.6rem var(--serif);margin:2.2rem 0 .8rem}
.text a{color:var(--accent)}
.text table{width:100%;border-collapse:collapse;margin:1rem 0 1.4rem;font-size:.95rem}
.text th,.text td{text-align:left;padding:.55rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.text th{color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}
.text td:first-child{color:var(--muted);white-space:nowrap}
.text.wide{max-width:52rem}
@media(max-width:560px){.text td:first-child{white-space:normal}}

.hero-img{display:block;margin:1.6rem 0 2rem;overflow:hidden;background:var(--bg2);border-radius:3px;cursor:zoom-in}
.hero-img img{width:100%;max-height:75vh;object-fit:cover}