*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg:#0b0b0f; --bg-alt:#101017; --bg-card:#16161e;
  --text:#d4d4d8; --text-dim:#8b8b97;
  --accent:#4fc3f7; --accent2:#81d4fa;
  --white:#fff; --border:#24242e;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --maxw:1100px; --tr:.35s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--accent2)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 2rem}
h1,h2,h3,h4{color:var(--white);line-height:1.25}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{margin-bottom:1rem} p:last-child{margin-bottom:0}
.overline{display:block;font-size:.73rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:.6rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.8rem;border-radius:6px;font-weight:600;font-size:.92rem;transition:all var(--tr);cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:var(--accent2);color:var(--bg);transform:translateY(-2px);box-shadow:0 8px 25px rgba(79,195,247,.25)}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent);color:var(--bg);transform:translateY(-2px)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1rem 0;transition:background var(--tr),box-shadow var(--tr)}
.navbar.scrolled{background:rgba(11,11,15,.95);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--border)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:1rem;font-weight:700;color:var(--white);letter-spacing:.04em;text-transform:uppercase}
.nav-brand:hover{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:1.8rem;list-style:none}
.nav-links a{color:var(--text-dim);font-size:.88rem;font-weight:500;position:relative;padding:.25rem 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:width var(--tr)}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-lang{font-size:.78rem;font-weight:600;color:var(--text-dim);border:1px solid var(--border);padding:.25rem .6rem;border-radius:4px;transition:all var(--tr)}
.nav-lang:hover{color:var(--white);border-color:var(--accent)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--white);margin:5px 0;transition:var(--tr)}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 25% 45%,rgba(79,195,247,.06) 0%,transparent 55%);pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-content{max-width:700px}
.hero-content h1{margin-bottom:1.5rem}
.hero-content .lead{font-size:1.1rem;color:var(--text);margin-bottom:2rem;max-width:600px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);text-align:center;animation:float 2.5s ease-in-out infinite}
.scroll-hint span{display:block;font-size:.72rem;color:var(--text-dim);margin-bottom:.4rem}
@keyframes float{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
section{padding:5.5rem 0}
section.alt{background:var(--bg-alt)}
.section-header{margin-bottom:3rem}
.section-header h2{margin-bottom:.6rem}
.section-header p{max-width:580px;color:var(--text-dim)}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.8rem}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2.2rem 1.8rem;transition:all var(--tr);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity var(--tr)}
.card:hover{border-color:rgba(79,195,247,.3);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.5)}
.card:hover::before{opacity:1}
.card .num{font-size:.78rem;font-weight:700;color:var(--accent);margin-bottom:.8rem}
.card h3{margin-bottom:.6rem}
.card p{font-size:.92rem;color:var(--text-dim)}
.ref{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2.2rem 1.8rem;margin-bottom:1.8rem;transition:all var(--tr)}
.ref:hover{border-color:rgba(79,195,247,.2);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.ref .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:rgba(79,195,247,.1);padding:.25rem .7rem;border-radius:4px;margin-bottom:.8rem}
.ref h3{margin-bottom:.5rem}
.ref .meta{display:flex;flex-wrap:wrap;gap:1.2rem;margin-bottom:.8rem;font-size:.88rem}
.ref .meta strong{color:var(--accent)}
.ref .outcome{margin-top:.8rem;padding-top:.8rem;border-top:1px solid var(--border)}
.ref .outcome strong{color:var(--white)}
.page-hero{padding-top:9rem;padding-bottom:3rem}
.page-hero h1{margin-bottom:.5rem}
.content-body{max-width:740px}
.content-body p{margin-bottom:1.2rem}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.8rem}
.contact-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2.2rem 1.8rem;text-align:center;transition:all var(--tr)}
.contact-card:hover{border-color:rgba(79,195,247,.3);transform:translateY(-3px)}
.contact-card .icon{width:48px;height:48px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(79,195,247,.1)}
.contact-card .icon svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.8}
.contact-card h4{margin-bottom:.4rem}
.contact-card p{color:var(--text-dim);font-size:.92rem}
.cta{text-align:center;padding:5rem 2rem;background:linear-gradient(135deg,rgba(79,195,247,.07) 0%,transparent 50%);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta h2{margin-bottom:.8rem}
.cta p{color:var(--text-dim);margin-bottom:2rem;max-width:500px;margin-left:auto;margin-right:auto}
.footer{padding:2.5rem 0;border-top:1px solid var(--border)}
.footer .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer-copy{font-size:.82rem;color:var(--text-dim)}
.footer-links{display:flex;gap:1.5rem;list-style:none}
.footer-links a{font-size:.82rem;color:var(--text-dim)}
.footer-links a:hover{color:var(--white)}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--border);border-radius:50%;color:var(--text-dim);transition:all var(--tr);margin-left:.5rem}
.footer-social a:hover{border-color:var(--accent);color:var(--accent)}
.legal h4{margin-top:1.8rem;margin-bottom:.4rem;font-size:1rem}
.legal p{font-size:.92rem}
.info-box{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2rem 1.8rem;margin-top:2rem}

.fade-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}


/* ===== PHOTO / ABOUT INTRO ===== */
.about-intro {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  align-items: start;
}
.about-photo {
  width: 100%;
  border-radius: 12px;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  border: 2px solid rgba(79,195,247,.12);
}
.about-text p { margin-bottom: 1rem; }

/* Hero with portrait */
.hero-content-row {
  display: flex;
  align-items: center;
  gap: 3rem;
}
.hero-portrait {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid rgba(79,195,247,.25);
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-photo {
    max-width: 220px;
    margin: 0 auto;
  }
  .hero-content-row {
    flex-direction: column;
    text-align: center;
  }
  .hero-portrait {
    width: 110px;
    height: 110px;
  }
}


/* ===== RESPONSIVE: TABLET (max 1024px) ===== */
@media(max-width:1024px){
  .container{padding:0 1.5rem}
  .pillars{grid-template-columns:repeat(2,1fr);gap:1.4rem}
  .hero-content-row{gap:2rem}
  .hero-portrait{width:120px;height:120px}
  .about-intro{grid-template-columns:220px 1fr;gap:2rem}
  .contact-grid{grid-template-columns:1fr 1fr}
  section{padding:4.5rem 0}
}

/* ===== RESPONSIVE: MOBILE (max 768px) ===== */
@media(max-width:768px){
  /* --- Navigation --- */
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(11,11,15,.98);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:1.5rem 2rem 2rem;gap:.2rem;border-bottom:1px solid var(--border);flex-direction:column}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.75rem 0;font-size:1rem;border-bottom:1px solid var(--border)}
  .nav-links li:last-child a{border-bottom:none}
  .nav-lang{display:inline-block;margin-top:.5rem}
  .nav-toggle{display:block}
  .nav-brand{font-size:.9rem}

  /* --- Hero --- */
  .hero{min-height:auto;padding-top:6rem;padding-bottom:3rem}
  .hero-content-row{flex-direction:column;text-align:center;gap:1.5rem}
  .hero-portrait{width:110px;height:110px;margin:0 auto}
  .hero-content{max-width:100%}
  .hero-content .lead{max-width:100%;font-size:1rem}
  .hero-actions{justify-content:center}
  .hero .overline{text-align:center}
  .scroll-hint{display:none}

  /* --- Sections --- */
  section{padding:3rem 0}
  .section-header{margin-bottom:2rem;text-align:center}
  .section-header p{max-width:100%}

  /* --- Cards / Pillars --- */
  .pillars{grid-template-columns:1fr;gap:1.2rem}
  .card{padding:1.6rem 1.4rem}

  /* --- About intro --- */
  .about-intro{grid-template-columns:1fr;gap:1.5rem;text-align:center}
  .about-photo{max-width:200px;margin:0 auto;aspect-ratio:1/1;border-radius:50%}

  /* --- Referenzen --- */
  .ref{padding:1.6rem 1.4rem;margin-bottom:1.2rem}

  /* --- Contact --- */
  .contact-grid{grid-template-columns:1fr}

  /* --- Page Hero --- */
  .page-hero{padding-top:6rem;padding-bottom:2.5rem}
  .page-hero h1{font-size:clamp(1.6rem,6vw,2.2rem)}

  /* --- Footer --- */
  .footer .container{flex-direction:column;text-align:center;gap:1rem}
  .footer-links{flex-direction:column;gap:.6rem}
  .footer-social{margin-top:.5rem}

  /* --- Legal / Info --- */
  .info-box{padding:1.4rem 1.2rem}

  /* --- Buttons --- */
  .btn{padding:.7rem 1.4rem;font-size:.88rem;width:100%;justify-content:center}
  .hero-actions .btn{width:auto}

  /* --- Typography mobile tweaks --- */
  h1{font-size:clamp(1.6rem,7vw,2.4rem)}
  h2{font-size:clamp(1.3rem,5vw,1.8rem)}
  h3{font-size:1.1rem}
  body{font-size:.95rem;line-height:1.7}
}

/* ===== RESPONSIVE: SMALL MOBILE (max 480px) ===== */
@media(max-width:480px){
  .container{padding:0 1rem}
  .hero{padding-top:5rem}
  .hero-portrait{width:90px;height:90px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .card{padding:1.3rem 1.1rem}
  .card .num{font-size:.72rem}
  h1{font-size:clamp(1.4rem,6vw,1.8rem)}
  .nav-brand{font-size:.82rem}
  .overline{font-size:.68rem;letter-spacing:.12em}
  .about-photo{max-width:160px}
  .ref{padding:1.3rem 1.1rem}
  .info-box{padding:1.2rem 1rem}
  .btn{font-size:.84rem;padding:.65rem 1.2rem}
}

/* ===== TOUCH-FRIENDLY: larger tap targets ===== */
@media(hover:none) and (pointer:coarse){
  .nav-links a{min-height:44px;display:flex;align-items:center}
  .btn{min-height:44px}
  .footer-social a{width:40px;height:40px}
  .nav-toggle{padding:.75rem}
  .nav-toggle span{width:24px;height:2.5px;margin:5px 0}
}

/* ===== HAMBURGER ANIMATION ===== */
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}