:root {
    /* Hintergrund */
    --bg-base: #171a1f;
    --bg-gradient: radial-gradient(
        circle at top,
        #1f2c3a 0%,
        #171a1f 60%
    );

    /* Box */
    --card-bg: linear-gradient(
        180deg,
        rgba(40, 80, 110, 0.55),
        rgba(30, 45, 60, 0.75)
    );

    /* Akzente */
    --accent-blue: #4fa8ff;
    --accent-turquoise: #3fd6c6;

    /* Text */
    --text-main: #e9eef3;
    --text-muted: #aab4bf;

    /* UI */
    --border-soft: rgba(255, 255, 255, 0.08);
    --shadow-soft: 0 25px 55px rgba(0, 0, 0, 0.6);
}

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

body {
    min-height: 100vh;
    background: var(--bg-gradient);
    font-family: "Inter", sans-serif;
    color: var(--text-main);

    display: flex;
    justify-content: center;
    align-items: center;
}

/* Menü */
.menu {
    position: fixed;
    top: 22px;
    left: 26px;
}

.menu details {
    background: rgba(25, 35, 45, 0.85);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 0.45rem 0.7rem;
    backdrop-filter: blur(10px);
}

.menu summary {
    list-style: none;
    cursor: pointer;
    color: var(--accent-blue);
    font-weight: 500;
}

.menu summary::-webkit-details-marker {
    display: none;
}

.menu ul {
    margin-top: 0.5rem;
    list-style: none;
}

.menu li {
    margin: 0.35rem 0;
}

.menu a {
    text-decoration: none;
    color: var(--text-muted);
}

.menu a:hover {
    color: var(--accent-turquoise);
}

/* Symbol */
.cross {
    position: fixed;
    top: 22px;
    right: 28px;
    font-size: 1.6rem;
    color: var(--accent-turquoise);
    opacity: 0.9;
}

/* Hauptbox */
.container {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 4rem 3.5rem;
    max-width: 720px;
    width: 90%;

    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(14px);

    text-align: left;
}

/* Titel */
h1 {
    font-size: 2.7rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
}

h2 {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--accent-blue);
    margin-bottom: 2.4rem;
}

/* Divider */
.divider {
    width: 90px;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--accent-blue),
        var(--accent-turquoise)
    );
    margin-bottom: 2.4rem;
}

/* Text */
p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 3.2rem;
}

/* Footer */
footer {
    font-size: 0.8rem;
    color: #8b96a3;
}

.hero {
    text-align: center;
}

.cross {
    font-weight: 300;
    letter-spacing: 0.05em;
}




    /*SERVICES.HTML*/

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}

.service-card {
    background: rgba(20, 30, 40, 0.55);
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    padding: 1.6rem 1.6rem 1.8rem;

    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
    color: var(--text-main);
}

.service-card p {
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    color: var(--text-muted);
}

.service-card a {
    font-size: 0.85rem;
    color: var(--accent-blue);
    text-decoration: none;
}

.service-card a:hover {
    color: var(--accent-turquoise);
}