* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: #f8f9fa;
    color: #212529;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px;
}

.small-container {
    max-width: 600px;
}

.text-center { text-align: center; }

/* HERO */
.hero {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.hero .tagline {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 35px auto;
    opacity: 0.9;
}

/* BUTTONS */
.btn-main {
    display: inline-block;
    background-color: #00d2ff;
    color: #1e3c72;
    text-decoration: none;
    padding: 14px 32px;
    font-weight: bold;
    border-radius: 50px;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,210,255,0.3);
    transition: transform 0.2s;
}
.btn-main:hover { transform: scale(1.03); }
.full-width { width: 100%; }

/* ABOUT SECTION */
.about-section {
    background: white;
    text-align: center;
}
.about-section h2 { margin-bottom: 20px; font-size: 2.2rem; color: #1e3c72; }
.lead-text { font-size: 1.2rem; max-width: 800px; margin: 0 auto; color: #495057; }

/* PORTFOLIO GRID */
.portfolio-section h2 { text-align: center; margin-bottom: 10px; font-size: 2.2rem; color: #1e3c72; }
.subtitle { margin-bottom: 40px; color: #6c757d; }

.demo-grid { display: block; }
.demo-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    margin-bottom: 25px;
    border-left: 5px solid #1e3c72;
}
.demo-card h3 { margin-bottom: 10px; color: #1e3c72; }
.demo-card p { margin-bottom: 20px; color: #495057; }

.btn-demo {
    display: inline-block;
    color: #1e3c72;
    text-decoration: none;
    font-weight: bold;
    border-bottom: 2px solid #1e3c72;
    padding-bottom: 2px;
}

/* KONTAKTFORMULAR */
.contact-section { background-color: white; }
.contact-section h2 { text-align: center; margin-bottom: 15px; color: #1e3c72; }
.contact-section p { margin-bottom: 30px; color: #495057; }

.agency-form {
    background: #f8f9fa;
    padding: 35px;
    border-radius: 10px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}
.agency-form input, .agency-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 1rem;
}

/* FOOTER */
footer {
    background-color: #1e3c72;
    color: white;
    padding: 40px 20px;
    font-size: 0.95rem;
}
footer a { color: #00d2ff; text-transform: none; }
.copy { color: #a5b4fc; font-size: 0.85rem; margin-top: 20px; }