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

:root {
    --bg:             #090a0f;
    --card-bg:        rgba(255, 255, 255, 0.05);
    --card-border:    rgba(255, 255, 255, 0.10);
    --card-shadow:    0 32px 80px rgba(0, 0, 0, 0.50);
    --text-h1:        rgba(255, 255, 255, 0.95);
    --text-h2:        rgba(255, 255, 255, 0.90);
    --text-p:         rgba(255, 255, 255, 0.72);
    --divider:        rgba(255, 255, 255, 0.12);
    --link:           rgba(255, 255, 255, 0.75);
    --link-hover:     #ffffff;
    --btn-bg:         rgba(255, 255, 255, 0.07);
    --btn-border:     rgba(255, 255, 255, 0.10);
    --btn-text:       rgba(255, 255, 255, 0.60);
    --btn-hover-bg:   rgba(255, 255, 255, 0.12);
    --btn-hover-text: rgba(255, 255, 255, 0.90);
    --blob1:          rgba(37, 75, 217, 0.12);
    --blob2:          rgba(2, 132, 199, 0.12);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg:             #f4f6fb;
        --card-bg:        rgba(255, 255, 255, 0.80);
        --card-border:    rgba(15, 23, 42, 0.08);
        --card-shadow:    0 20px 50px rgba(15, 23, 42, 0.06);
        --text-h1:        #0f172a;
        --text-h2:        #1e293b;
        --text-p:         #334155;
        --divider:        rgba(15, 23, 42, 0.10);
        --link:           #2563eb;
        --link-hover:     #1d4ed8;
        --btn-bg:         rgba(255, 255, 255, 0.85);
        --btn-border:     rgba(15, 23, 42, 0.10);
        --btn-text:       #475569;
        --btn-hover-bg:   #ffffff;
        --btn-hover-text: #0f172a;
        --blob1:          rgba(59, 130, 246, 0.14);
        --blob2:          rgba(14, 165, 233, 0.12);
    }
}

:root[data-theme="light"] {
    --bg:             #f4f6fb;
    --card-bg:        rgba(255, 255, 255, 0.80);
    --card-border:    rgba(15, 23, 42, 0.08);
    --card-shadow:    0 20px 50px rgba(15, 23, 42, 0.06);
    --text-h1:        #0f172a;
    --text-h2:        #1e293b;
    --text-p:         #334155;
    --divider:        rgba(15, 23, 42, 0.10);
    --link:           #2563eb;
    --link-hover:     #1d4ed8;
    --btn-bg:         rgba(255, 255, 255, 0.85);
    --btn-border:     rgba(15, 23, 42, 0.10);
    --btn-text:       #475569;
    --btn-hover-bg:   #ffffff;
    --btn-hover-text: #0f172a;
    --blob1:          rgba(59, 130, 246, 0.14);
    --blob2:          rgba(14, 165, 233, 0.12);
}

:root[data-theme="dark"] {
    --bg:             #090a0f;
    --card-bg:        rgba(255, 255, 255, 0.05);
    --card-border:    rgba(255, 255, 255, 0.10);
    --card-shadow:    0 32px 80px rgba(0, 0, 0, 0.50);
    --text-h1:        rgba(255, 255, 255, 0.95);
    --text-h2:        rgba(255, 255, 255, 0.90);
    --text-p:         rgba(255, 255, 255, 0.72);
    --divider:        rgba(255, 255, 255, 0.12);
    --link:           rgba(255, 255, 255, 0.75);
    --link-hover:     #ffffff;
    --btn-bg:         rgba(255, 255, 255, 0.07);
    --btn-border:     rgba(255, 255, 255, 0.10);
    --btn-text:       rgba(255, 255, 255, 0.60);
    --btn-hover-bg:   rgba(255, 255, 255, 0.12);
    --btn-hover-text: rgba(255, 255, 255, 0.90);
    --blob1:          rgba(37, 75, 217, 0.12);
    --blob2:          rgba(2, 132, 199, 0.12);
}

body {
    min-height: 100vh;
    background: var(--bg);
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--text-p);
    -webkit-font-smoothing: antialiased;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 20px 60px;
    transition: background 0.35s ease, color 0.35s ease;
}

/* Gleiche animierte Blobs wie index.html */
.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bb1 {
    position: absolute;
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, var(--blob1) 0%, transparent 70%);
    top: -15%; left: -10%;
    border-radius: 50%;
    filter: blur(90px);
    transition: background 0.5s ease;
}

.bb2 {
    position: absolute;
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, var(--blob2) 0%, transparent 70%);
    bottom: -10%; right: -8%;
    border-radius: 50%;
    filter: blur(90px);
    transition: background 0.5s ease;
}

/* Container als Glasskarte */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 720px;
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--card-shadow);
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
    color: var(--text-h1);
    border-bottom: 2px solid var(--divider);
    padding-bottom: 1rem;
}

h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.6rem;
    color: var(--text-h2);
    letter-spacing: 0.02em;
}

p {
    line-height: 1.75;
    color: var(--text-p);
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

a:hover { color: var(--link-hover); }

.home-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2rem;
    color: var(--btn-text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    padding: 7px 14px;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.home-link:hover {
    background: var(--btn-hover-bg);
    color: var(--btn-hover-text);
}

@media (max-width: 600px) {
    .container { padding: 1.75rem; }
    h1 { font-size: 1.6rem; }
}