:root{
  --bg:#0d1117;
  --bg2:#161b22;
  --bg3:#1f2630;
  --text:#e6edf3;
  --muted:#9aa4b2;
  --accent:#ff4d6d;
  --accent2:#4dd0e1;
  --ok:#7ce38b;
  --border:#2d333b;
  --card:#1a2028;
  --radius:14px;
  --maxw:1050px;
  font-size:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.2rem}
.narrow{max-width:760px;margin:0 auto;padding:0 1.2rem}

/* NAV */
header{position:sticky;top:0;z-index:50;background:rgba(13,17,23,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.2rem;max-width:var(--maxw);margin:0 auto}
.brand{font-weight:800;font-size:1.05rem;letter-spacing:.02em}
.brand b{color:var(--accent)}
.nav-links{display:flex;gap:1.1rem;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--text);font-size:.92rem;opacity:.85}
.nav-links a:hover,.nav-links a.active{color:var(--accent);opacity:1;text-decoration:none}
.nav-cta{background:var(--accent);color:#fff!important;padding:.35rem .9rem;border-radius:999px;font-weight:600}
.nav-cta:hover{background:#ff617f;text-decoration:none!important}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}

/* HERO */
.hero{padding:4.5rem 1.2rem 3.5rem;text-align:center;background:radial-gradient(ellipse 80% 60% at 50% -20%,rgba(255,77,109,.16),transparent)}
.hero h1{font-size:clamp(2.6rem,8vw,4.6rem);font-weight:900;letter-spacing:-.02em;line-height:1.05;margin-bottom:1.2rem}
.hero h1 .b{color:var(--accent)}
.hero .claim{font-size:clamp(1.2rem,3.4vw,1.7rem);font-weight:700;color:var(--text);margin-bottom:1rem}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 1rem;font-size:1.05rem}
.hero .tagline{margin-top:1.6rem;padding:1rem 1.4rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg2);font-size:1.05rem}
.hero .tagline b{color:var(--accent)}
.btn-row{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.btn{display:inline-block;padding:.8rem 1.7rem;border-radius:999px;font-weight:700;font-size:1rem;transition:transform .15s, box-shadow .15s}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 24px rgba(255,77,109,.35)}
.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent)}

/* SECTIONS */
section{padding:3.5rem 0;border-bottom:1px solid var(--border)}
section:last-child{border-bottom:none}
h2{font-size:clamp(1.7rem,4.5vw,2.3rem);font-weight:800;letter-spacing:-.01em;margin-bottom:1rem;line-height:1.2}
h3{font-size:1.25rem;font-weight:700;margin:1.6rem 0 .7rem}
p{margin-bottom:1rem}
.lead{font-size:1.15rem;color:var(--text)}
.muted{color:var(--muted)}
.kicker{color:var(--accent2);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:.6rem}
.quote{font-size:clamp(1.3rem,3.5vw,1.6rem);font-weight:600;line-height:1.5;padding:1.2rem 1.4rem;border-left:4px solid var(--accent);background:var(--bg2);border-radius:0 var(--radius) var(--radius) 0;margin:1.4rem 0}

/* PILLARS */
.pillars{display:grid;grid-template-columns:1fr;gap:1rem;margin:1.8rem 0}
@media(min-width:800px){.pillars{grid-template-columns:repeat(3,1fr)}}
.pillar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;position:relative}
.pillar.third{border:2px solid var(--accent);box-shadow:0 4px 30px rgba(255,77,109,.15)}
.pillar .when{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.pillar h3{margin:.4rem 0 .8rem;font-size:1.35rem}
.pillar.third h3{color:var(--accent)}
.pillar ul{list-style:none}
.pillar li{padding:.25rem 0;color:var(--muted);font-size:.95rem}
.pillar li::before{content:"— ";color:var(--accent2)}
.pillar .order{position:absolute;top:-14px;left:16px;font-size:.75rem;background:var(--bg);padding:.1rem .6rem;border-radius:99px;border:1px solid var(--border);color:var(--muted)}
.pillar.third .order{border-color:var(--accent);color:var(--accent);font-weight:700}

/* CARDS */
.cards{display:grid;grid-template-columns:1fr;gap:1rem;margin:1.8rem 0}
@media(min-width:700px){.cards.two{grid-template-columns:1fr 1fr}.cards.three{grid-template-columns:1fr 1fr 1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem}
.card h3{margin-top:0;font-size:1.15rem}
.card .status{display:inline-block;font-size:.75rem;font-weight:700;padding:.2rem .7rem;border-radius:99px;margin-bottom:.8rem}
.status.now{background:rgba(124,227,139,.15);color:var(--ok)}
.status.dev{background:rgba(77,208,225,.15);color:var(--accent2)}
.status.rad{background:rgba(255,77,109,.15);color:var(--accent)}
.card ul{list-style:none;margin:.8rem 0}
.card li{padding:.2rem 0 .2rem 1.2rem;position:relative;color:var(--muted);font-size:.93rem}
.card li::before{content:"›";position:absolute;left:0;color:var(--accent2)}
.card .link{font-weight:600;font-size:.92rem;display:block;margin-top:.6rem}

/* LISTS */
.checklist{list-style:none;margin:1rem 0}
.checklist li{padding:.45rem 0 .45rem 2rem;position:relative}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.nolist{list-style:none;margin:1rem 0}
.nolist li{padding:.35rem 0 .35rem 1.5rem;position:relative}
.nolist li::before{content:"✕";position:absolute;left:0;color:var(--accent);opacity:.7}
.twocol{display:grid;grid-template-columns:1fr;gap:1rem}
@media(min-width:700px){.twocol{grid-template-columns:1fr 1fr}}

/* HERDENIMMUNITÄT-TRACK */
.scale{display:grid;grid-template-columns:1fr;gap:.8rem;margin:1.8rem 0}
.scale-step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.2rem;display:flex;gap:1rem;align-items:center}
.scale-step .pct{font-size:1.6rem;font-weight:900;min-width:110px;color:var(--accent2)}
.scale-step.hot .pct{color:var(--accent)}
.scale-step .d{color:var(--muted);font-size:.95rem}

/* FORMS */
form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem;margin:1.5rem 0}
fieldset{border:none;margin-bottom:1.2rem}
legend, label{font-weight:600;font-size:.92rem;display:block;margin-bottom:.3rem}
input[type=text],input[type=email],textarea,select{width:100%;background:var(--bg);border:1px solid var(--border);color:var(--text);padding:.7rem .9rem;border-radius:10px;font:inherit;margin-bottom:.9rem}
input:focus,textarea:focus{outline:none;border-color:var(--accent2)}
textarea{min-height:110px;resize:vertical}
.checks{display:flex;flex-direction:column;gap:.45rem}
.checks label{font-weight:400;margin:0;padding-left:1.6rem;position:relative;cursor:pointer}
.checks input{position:absolute;left:0;top:.25rem;accent-color:var(--accent)}
fieldset{padding-left:0}
button.btn{border:none;cursor:pointer;font-family:inherit}

/* FAQ */
details{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.3rem;margin-bottom:.9rem}
details summary{cursor:pointer;font-weight:700;font-size:1.02rem}
details[open] summary{color:var(--accent)}
details p{margin-top:.8rem;color:var(--muted)}
details p strong{color:var(--text)}

/* FOOTER */
footer{padding:2.5rem 1.2rem;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:.88rem}
footer .fbrand{font-weight:800;font-size:1.1rem;color:var(--text)}
footer .fb{color:var(--accent)}
footer nav{margin:.8rem 0}
footer nav a{color:var(--muted);margin:0 .6rem}

/* notice */
.notice{background:rgba(77,208,225,.08);border:1px solid rgba(77,208,225,.3);border-radius:var(--radius);padding:1rem 1.2rem;font-size:.9rem;color:var(--muted);margin:1rem 0}
.notice strong{color:var(--accent2)}

.desktop-only{}
.btn-sm.pri{background:var(--accent);color:#fff!important;border:none}
.btn-sm.sec{background:var(--bg3);color:var(--text)!important;border:1px solid var(--border)}
.btn-sm.pri:hover{background:#ff617f}
.btn-sm.sec:hover{border-color:var(--accent2)}
.res-card .body{padding:.7rem .9rem}
.res-card img{border-radius:0}