/* --- Aranius Kosmos-Farbpalette --- */
:root {
    --bg-light: #fdfdfd;
    --text-dark: #2c3e50;
    --kosmos-blau: #1F548D;
    --sonnen-gold: #F7B500;
    --sonnen-gold-hover: #dca000;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden; /* Verhindert seitliches Scrollen am Handy */
}

/* Header */
.erd-header {
    background-color: var(--kosmos-blau);
    color: #ffffff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.erd-header .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--sonnen-gold);
}

.erd-header a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.erd-header a:hover {
    color: var(--sonnen-gold);
}

.erd-header ul {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0;
}

/* Buttons */
.login-btn, .cta-btn, .lang-btn {
    background-color: var(--sonnen-gold);
    color: var(--kosmos-blau);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.login-btn:hover, .cta-btn:hover, .lang-btn:hover {
    background-color: var(--sonnen-gold-hover);
    color: #ffffff;
}

.lang-btn {
    background-color: transparent;
    border: 1px solid var(--sonnen-gold);
    color: var(--sonnen-gold);
    margin-right: 10px;
}

.lang-btn:hover {
    background-color: var(--sonnen-gold);
    color: var(--kosmos-blau);
}

/* Content Sections */
.hero-section, .philosophie-section {
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-section h1 {
    color: var(--kosmos-blau);
}

.subtitle {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--sonnen-gold);
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--kosmos-blau);
    color: #ffffff;
    font-size: 0.9rem;
    margin-top: 2rem;
}

/* Sicherstellen, dass Eingabefelder am Handy nicht zu breit sind */
input, textarea, select {
    box-sizing: border-box;
    max-width: 100%;
}

/* ==========================================================================
   MOBILE ANPASSUNGEN (RESPONSIVE DESIGN)
   ========================================================================== */
@media (max-width: 800px) {
    .erd-header {
        flex-direction: column; /* Stapelt Elemente untereinander */
        padding: 1rem;
        gap: 1.5rem;
    }

    .erd-header nav {
        width: 100%;
    }

    .erd-header ul {
        flex-direction: column; /* Menüpunkte untereinander */
        align-items: center;
        gap: 1rem;
    }

    .erd-header a {
        margin: 0;
        font-size: 1.1rem;
    }

    .header-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
        width: 100%;
    }

    .lang-btn {
        margin-right: 0;
    }

    .hero-section, .philosophie-section {
        padding: 2rem 1rem;
    }
}