:root{
  --bg:#0b1020;
  --panel:#0f172a;
  --text:#e5e7eb;
  --muted:#a5b4fc;
  --accent:#7c3aed;
  --accent-2:#22d3ee;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#0a0f1c 0%, #0b1020 100%);color:var(--text);scroll-behavior:smooth}
img{max-width:100%;display:block}

.section{padding:72px 20px;max-width:1100px;margin:0 auto}
h1,h2,h3{line-height:1.2;margin:0 0 12px}
h1{font-size:clamp(28px,4vw,48px);font-weight:800}
h2{font-size:clamp(22px,3vw,32px);font-weight:700;margin-bottom:20px}
h3{font-size:20px;font-weight:700}
p{color:#cbd5e1}
a{color:var(--muted);text-decoration:none}
a:hover{opacity:.9}

/* Header */
.site-header{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:rgba(15,23,42,.8);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:white;font-weight:800;box-shadow:var(--shadow)}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:10px}
.nav .btn-primary{color:#0b1020;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:var(--shadow)}

/* Hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:72px 20px;max-width:1100px;margin:0 auto}
.hero-media img{border-radius:24px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08)}
.subtitle{opacity:.9;margin:8px 0 18px}
.hero-cta{display:flex;gap:12px;margin:12px 0 18px}
.meta{list-style:none;padding:0;margin:0;display:flex;gap:18px;flex-wrap:wrap;opacity:.9}
.accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.1);transition:.2s ease;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#041018;border:none}
.btn-ghost{background:transparent;color:var(--text)}
.btn:hover{transform:translateY(-1px)}

/* Cards */
.cards{display:grid;gap:16px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.tags,.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tags li,.chip{list-style:none;padding:6px 10px;border-radius:999px;background:rgba(124,58,237,.15);border:1px solid rgba(124,58,237,.35)}
.chip{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.35)}

/* Timeline */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline:before{content:"";position:absolute;left:10px;top:0;bottom:0;width:2px;background:rgba(255,255,255,.12)}
.timeline li{display:grid;grid-template-columns:120px 1fr;gap:12px;position:relative;padding:10px 0}
.timeline .time{color:#94a3b8}
.timeline .content{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px}

/* Checklists */
.checklist,.bullet{padding-left:18px}
.checklist li{list-style:"✓  " outside;color:#d1fae5}
.bullet li{list-style:"•  " outside}

/* Kontaktformular */
.contact{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label span{display:block;margin-bottom:6px;color:#cbd5e1}
input,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#0b1224;color:var(--text)}
input:focus,textarea:focus{outline:2px solid rgba(124,58,237,.5)}
.actions{display:flex;gap:12px;align-items:center;margin-top:10px}
.form-note{opacity:.7;font-size:.9rem;margin-top:8px}

/* Footer */
.site-footer{padding:24px 20px;text-align:center;color:#94a3b8;border-top:1px solid rgba(255,255,255,.06);background:rgba(15,23,42,.6)}

/* Layout tweaks */
@media (max-width: 900px){
  .hero{grid-template-columns:1fr;gap:20px}
  .cards.two{grid-template-columns:1fr}
  .cards.three{grid-template-columns:1fr}
  .contact .grid{grid-template-columns:1fr}
}

/* Small polish */
.section h2{display:flex;align-items:center;gap:10px}
.section h2::after{content:"";height:2px;flex:1;background:linear-gradient(90deg,rgba(124,58,237,.6),rgba(34,211,238,.0))}
/* Praktikums-Hinweis-Banner */
.notice-banner{
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(34,211,238,.25));
  border: 1px solid rgba(255,255,255,.15);
  color: #e5e7eb;
  padding: 10px 16px;
  text-align: center;
  font-weight: 600;
}
.notice-banner u{ text-underline-offset: 2px; }