:root{
    /* Rueckkehr zur vorherigen Farbgestaltung: ruhiges Blau statt Gruen */
    --primary:#1f4e8c;
    --primary-dark:#163a69;
    --primary-light:#e8f0fb;
    --accent:#2d6cc0;
    --text:#22272e;
    --text-muted:#5b6575;
    --bg:#ffffff;
    --bg-alt:#f5f8fc;
    --border:#dde4ee;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
    font-family:'Inter','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
    color:var(--text);
    background:var(--bg);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
}

.container{width:100%;max-width:1080px;margin:0 auto;padding:0 20px;}

/* Header */
.site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;}
.logo{font-weight:700;font-size:1.25rem;color:var(--primary);text-decoration:none;}
.main-nav{display:flex;gap:22px;flex-wrap:wrap;}
.main-nav a{color:var(--text-muted);text-decoration:none;font-weight:500;font-size:.98rem;transition:color .2s;}
.main-nav a:hover{color:var(--primary);}

/* Hero */
.hero{
    background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
    color:#fff;padding:90px 0;text-align:center;
}
.hero h1{font-size:2.6rem;font-weight:700;margin-bottom:16px;line-height:1.2;}
.hero .lead{font-size:1.2rem;max-width:640px;margin:0 auto 30px;opacity:.95;}

/* Buttons */
.btn{
    display:inline-block;background:#fff;color:var(--primary);
    padding:13px 28px;border-radius:8px;font-weight:600;
    text-decoration:none;border:none;cursor:pointer;font-size:1rem;
    transition:transform .15s,box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15);}
.section .btn{background:var(--primary);color:#fff;}
.section .btn:hover{background:var(--primary-dark);}

/* Sections */
.section{padding:70px 0;}
.section-alt{background:var(--bg-alt);}
.section h2{font-size:2rem;color:var(--primary);margin-bottom:22px;}
.section p{color:var(--text-muted);max-width:760px;margin-bottom:14px;}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:30px;}
.card{
    background:#fff;border:1px solid var(--border);border-radius:12px;
    padding:28px 24px;transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(31,78,140,.1);}
.card h3{color:var(--primary);margin-bottom:10px;font-size:1.2rem;}
.card p{margin:0;}

/* Form */
.contact-form{max-width:560px;margin-top:26px;}
.form-row{margin-bottom:18px;display:flex;flex-direction:column;}
.form-row label{font-weight:500;margin-bottom:6px;color:var(--text);}
.form-row input,.form-row textarea{
    font-family:inherit;font-size:1rem;padding:12px 14px;
    border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);
    transition:border-color .2s,box-shadow .2s;
}
.form-row input:focus,.form-row textarea:focus{
    outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--primary-light);
}

/* Footer */
.site-footer{background:var(--primary-dark);color:#fff;padding:26px 0;text-align:center;}
.site-footer p{margin:0;opacity:.9;font-size:.95rem;}

/* Responsive */
@media(max-width:640px){
    .hero{padding:60px 0;}
    .hero h1{font-size:2rem;}
    .hero .lead{font-size:1.05rem;}
    .header-inner{height:auto;flex-direction:column;gap:10px;padding:12px 0;}
    .main-nav{gap:16px;justify-content:center;}
    .section{padding:50px 0;}
    .section h2{font-size:1.65rem;}
}