/* ================== HEADER GRUNDSTRUCTUR ================== */
header {
    position: fixed; /* Start: über dem Hero */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

header.is-fixed {
    position: absolute;
    top: 0;
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between; /* Logo links, Burger rechts */
    padding: 1rem 2rem;
    max-width: 2500px;
    margin: 0 auto;
    position: relative; /* wichtig für Zentrierung */
}

.logo-link {
    margin-left: 3vw; /* immer 3% vom Bildschirmrand */
}

/* ================== LOGO ================== */
header img.logo {
    height: 50px;
    width: auto;
    transition: filter 0.4s ease;
}

/* ================== NAV-LINKS (DESKTOP) ================== */
.nav-links {
    display: flex;
    gap: 10rem; /* gleiche Abstände */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 1.3rem;
    transition: all 0.2s ease;
}

.nav-links a.active,
.nav-links a:hover {
    text-decoration: underline;
}

/* ================== TRANSPARENT / SCROLLED ================== */
header.transparent {
    background-color: transparent;
    box-shadow: none;
}

header.scrolled {
    background-color: #7a0b0b;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

header.scrolled img.logo {
    filter: brightness(0) invert(1);
}

/* ================== BURGER MENU ================== */
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001; /* über Nav */
}

.burger span {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 2px; /* weiche Enden */
    transition: all 0.3s ease;
}

/* Burger Animation: zu X */
.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.burger.active span:nth-child(2) {
    opacity: 0;
}
.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ================== NAV-LINKS MOBILE (kompakt, abgerundet) ================== */
@media (max-width: 900px) {
    header nav {
        justify-content: space-between;
        padding: 0.8rem 1.5rem;
    }

    .burger {
        display: flex;
    }

    header img.logo {
        height: 60px;
    }

    .nav-links {
        position: absolute;
        top: 100%;        /* direkt unter Header */
        right: 1.5rem;    /* rechts am Header ausrichten */
        left: auto;       /* wichtig, damit nicht mehr zentriert */
        transform: none;  /* zentrierung aufheben */
        width: 180px;
        background-color: #7a0b0b;
        flex-direction: column;
        display: none;
        padding: 1rem;
        gap: 1rem;
        border-radius: 8px; /* abgerundete Ecken */
        box-shadow: 0 4px 12px rgba(0,0,0,0.2); /* leichte Tiefe */
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.3rem;
    }
}

/* ================== MOBILE XS ================== */
@media (max-width: 600px) {
    header nav {
        padding: 0.5rem 1rem;
    }

    .nav-links {
        width: 160px;
        right: 1rem;
        gap: 0.8rem;
        padding: 0.8rem;
    }

    .nav-links a {
        font-size: 1rem;
    }

    header img.logo {
        height: 50px;
    }
}