:root{
  --bg: #071224;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.14);
  --blue: #5bbcff;      /* angenehmes blau */
  --blue-2: #2ea6ff;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(91,188,255,.18), transparent 55%),
              radial-gradient(900px 500px at 85% 20%, rgba(46,166,255,.14), transparent 55%),
              var(--bg);
  color: var(--text);
}

a{ color: inherit; }

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: rgba(7,18,36,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand{
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 18px;
}
.dot{ color: var(--blue); }

.nav{
  display: flex;
  gap: 14px;
  align-items: center;
}
.nav a{
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}
.nav a:hover{ color: var(--text); }
.nav .pill{
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}

.hero{
  position: relative;
  padding: 64px 20px 30px;
}
.hero-inner{
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 22px;
  align-items: start;
}
.kicker{
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(91,188,255,.14);
  border: 1px solid rgba(91,188,255,.25);
  color: var(--text);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .35px;
}
h1{
  margin: 14px 0 10px;
  font-size: 46px;
  line-height: 1.05;
}
.lead{
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  max-width: 60ch;
  margin: 0 0 16px;
}
.cta-row{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.btn{
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn.primary{
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #061225;
  border: 1px solid rgba(255,255,255,.1);
}
.btn.ghost{
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.btn.text{
  padding: 10px 0;
  border: none;
  color: var(--muted);
}
.btn.text:hover{ color: var(--text); }

.chips{
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip{
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  font-size: 13px;
  color: var(--muted);
  font-weight: 650;
}

.hero-card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.avatar{
  padding: 18px 18px 8px;
}
.avatar-circle{
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(91,188,255,.18);
  border: 1px solid rgba(91,188,255,.35);
  font-weight: 900;
}
.hero-card-body{ padding: 0 18px 18px; }
.card-title{
  margin: 6px 0 12px;
  font-size: 14px;
  letter-spacing: .25px;
  color: var(--muted);
  text-transform: uppercase;
}

.facts{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.facts li{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(255,255,255,.07);
}
.facts li:first-child{ border-top: none; }
.label{ color: var(--muted); font-weight: 650; font-size: 13px; }
.value{ color: var(--text); font-weight: 750; font-size: 13px; }

.mini{ margin-top: 12px; }
.mini-title{
  margin: 0 0 6px;
  color: var(--text);
  font-weight: 800;
  font-size: 14px;
}
.mini-text{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.section{
  padding: 40px 20px;
}
.section-head{
  max-width: 1040px;
  margin: 0 auto 16px;
}
.section-head h2{
  margin: 0 0 6px;
  font-size: 24px;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.grid{
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.card h3{ margin: 0 0 8px; font-size: 16px; }
.card p{ margin: 0; color: var(--muted); line-height: 1.65; }

.tags{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.tags span{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 9px;
  background: rgba(255,255,255,.03);
  font-weight: 650;
}

.projects{ grid-template-columns: repeat(3, 1fr); }
.project-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.badge{
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(91,188,255,.25);
  background: rgba(91,188,255,.12);
  color: var(--text);
}
.bullets{
  margin: 12px 0 0;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.65;
}

.links{
  margin-top: 14px;
  display: flex;
  gap: 14px;
}
.link{
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.link:hover{ border-bottom-color: rgba(91,188,255,.55); }

.split{
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-card{
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.muted{ color: var(--muted); line-height: 1.65; margin: 8px 0 0; }
.contact-actions{ margin-top: 14px; display: flex; gap: 12px; flex-wrap: wrap; }
.tiny{ margin: 14px 0 0; color: rgba(255,255,255,.55); font-size: 12px; }

.mini-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
}
.stat-num{
  font-weight: 900;
  font-size: 24px;
}
.stat-label{
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.footer{
  max-width: 1040px;
  margin: 0 auto;
  padding: 26px 20px 40px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.backtop{
  text-decoration: none;
  color: var(--muted);
  font-weight: 750;
}
.backtop:hover{ color: var(--text); }

.glow{
  position: absolute;
  inset: -120px -120px auto -120px;
  height: 260px;
  background: radial-gradient(circle at 30% 40%, rgba(91,188,255,.24), transparent 60%);
  pointer-events: none;
  filter: blur(10px);
  opacity: .9;
}

/* Responsive */
@media (max-width: 980px){
  h1{ font-size: 40px; }
  .hero-inner{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .projects{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact-card{ grid-template-columns: 1fr; }
  .mini-stats{ grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 560px){
  h1{ font-size: 34px; }
  .nav{ gap: 10px; }
  .nav a{ font-size: 13px; }
  .mini-stats{ grid-template-columns: 1fr; }
}