/* =====================================================
   Bernhard David - Embedded Softwareentwickler
   style.css
   ===================================================== */
 
/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Grundlayout */
body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.7;
    color: #f8fafc;
    background-color: #0f172a;

    /* Leiterplatten-Muster */
    background-image:
        radial-gradient(circle at 20px 20px, rgba(0, 255, 180, 0.10) 2px, transparent 2px),
        linear-gradient(rgba(0, 255, 180, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 180, 0.04) 1px, transparent 1px);

    background-size: 40px 40px;

    min-height: 100vh;
}

/* Header */
header {
    text-align: center;
    padding: 5rem 2rem;

    background: rgba(15, 23, 42, 0.90);
    border-bottom: 1px solid rgba(0, 255, 180, 0.15);
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: #22d3ee;
}

header h2 {
    font-size: 1.5rem;
    font-weight: normal;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

header p {
    max-width: 800px;
    margin: 0 auto;
    color: #e2e8f0;
}

/* Hauptinhalt */
main {
    padding: 2rem;
}

/* Inhaltsboxen */
section {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem;

    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;

    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(6px);
}

/* Section Titles */
#contact h3 {
    color: #f5f5f5;
    margin-bottom: 1rem;
    font-size: 1.6rem;
}

/* Listen */
ul {
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Links */
a {
    color: #67e8f9;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Button */
.btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 1.6rem;

    background: #0891b2;
    color: white;

    border-radius: 6px;
    text-decoration: none;

    transition: all 0.25s ease;
}

.btn:hover {
    background: #0ea5e9;
    transform: translateY(-1px);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;

    color: #94a3b8;
    border-top: 1px solid rgba(0, 255, 180, 0.15);
    margin-top: 3rem;
}
.customer-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 15px;
}

.reference-logo{

    height:70px;

    filter:grayscale(100%);

    opacity:.7;

    transition:.3s;
}

.reference-card:hover .reference-logo{

    filter:none;

    opacity:1;
}

.fa-solid {
    color: #2dd3e0;
}

.code-icon {
    color: #2dd3e0;
}
.service-item i{
    color:#4fd3ff;
    margin:8px 0;
    }

      
.hero-buttons{

    display:flex;

    gap:20px;

    flex-wrap:wrap;

    margin-top:30px;

}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 3rem 1rem;
    }

    header h1 {
        font-size: 2.2rem;
    }

    header h2 {
        font-size: 1.2rem;
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 1.5rem;
    }
}