:root{
  --ink:#172836; --muted:#586875; --paper:#fbf7ef; --panel:#fffdf8; --line:#d7c9b1;
  --blue:#1b3d55; --deep:#0d2230; --copper:#b7773d; --teal:#2f6f73; --gold:#d4a64f;
}
*{box-sizing:border-box} body{margin:0;background:linear-gradient(180deg,#f6efe2 0%,#e8eef1 48%,#f9f4ea 100%);color:var(--ink);font-family:Georgia,"Times New Roman",serif;line-height:1.55}
a{color:var(--teal);text-decoration:none;border-bottom:1px solid rgba(47,111,115,.35)}a:hover{color:var(--copper)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(23,40,54,.12)}
.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:18px 24px}
.brand{font-size:1.6rem;font-weight:700;letter-spacing:.02em}.brand small{display:block;font-size:.75rem;font-weight:400;color:var(--muted)}
.menu{display:flex;gap:24px;font-family:Arial,sans-serif;font-size:.95rem}.menu a{border:0;color:var(--ink)}.menu .active{color:var(--copper);font-weight:700}
.hero{position:relative;min-height:580px;background:url('assets/hero-grenzgaenge.png') center/cover no-repeat;display:flex;align-items:end}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,24,36,.75),rgba(8,24,36,.15) 55%,rgba(8,24,36,.2)),linear-gradient(0deg,rgba(8,24,36,.65),transparent 45%)}
.hero-content{position:relative;max-width:1180px;margin:0 auto;width:100%;padding:120px 24px 82px;color:#fff}
.hero h1{font-size:clamp(2.8rem,7vw,5.8rem);line-height:.95;margin:0 0 18px;text-shadow:0 6px 30px rgba(0,0,0,.35)}
.hero p{font-size:clamp(1.25rem,2.8vw,2rem);max-width:690px;margin:0;color:#f7ead3}
.caption{background:var(--deep);color:#f3e6d0;text-align:center;font-size:.9rem;padding:10px 20px;font-family:Arial,sans-serif}
.container{max-width:1180px;margin:0 auto;padding:34px 24px}
.intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px}
.card{background:rgba(255,253,248,.93);border:1px solid rgba(215,201,177,.7);border-radius:18px;box-shadow:0 18px 40px rgba(23,40,54,.08);padding:30px}
.card h2,.card h3{color:var(--blue);line-height:1.15;margin-top:0}.card h2{font-size:2rem}.eyebrow{font-family:Arial,sans-serif;text-transform:uppercase;letter-spacing:.13em;color:var(--copper);font-weight:700;font-size:.8rem}
.quote{border-left:4px solid var(--copper);padding-left:20px;font-size:1.25rem;color:#5d3a24;font-style:italic;background:rgba(183,119,61,.08)}
.fields{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}.field{background:linear-gradient(160deg,#fffdf8,#eef4f2);border:1px solid var(--line);padding:20px;border-radius:16px}.field strong{display:block;color:var(--blue);font-size:1.1rem;margin-bottom:8px}
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.project{position:relative;overflow:hidden}.project:after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;border:22px solid rgba(183,119,61,.12)}
.project .tag{display:inline-block;background:var(--blue);color:#fff;border-radius:999px;padding:5px 11px;font-family:Arial,sans-serif;font-size:.78rem;margin-bottom:12px}
.books{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.book{text-align:center}.book img{width:100%;height:250px;object-fit:contain;background:#efe7d8;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:0 16px 35px rgba(23,40,54,.12)}.book h3{font-size:1.05rem;margin:14px 0 8px}.book p{font-size:.9rem;text-align:left;color:#344854}
.pub-section{margin-top:24px}.pub-section h3{border-top:1px solid var(--line);padding-top:22px}.pub-list{padding-left:1.2rem}.pub-list li{margin-bottom:13px}
.notice{font-family:Arial,sans-serif;font-size:.9rem;color:var(--muted);background:#eef4f2;border:1px solid #c8d8d6;padding:14px;border-radius:12px}
.footer{background:var(--deep);color:#e9dcc8;margin-top:40px;padding:34px 24px;text-align:center;font-family:Arial,sans-serif}
@media(max-width:900px){.intro-grid,.projects{grid-template-columns:1fr}.fields,.books{grid-template-columns:repeat(2,1fr)}.menu{display:none}.hero{min-height:430px}}
@media(max-width:560px){.fields,.books{grid-template-columns:1fr}.book img{height:220px}.hero h1{font-size:2.6rem}}