:root {
    --bg-color-top: #ffffff;
    --bg-color-bottom: #e8f0f7;
    --card-bg: rgba(255, 255, 255, 0.8);
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --accent-color: #0071e3;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
    background: linear-gradient(135deg, var(--bg-color-top) 0%, var(--bg-color-bottom) 100%);
    background-attachment: fixed;
    color: var(--text-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header {
    margin: 80px 20px 60px;
    text-align: center;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

.app-grid {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    max-width: 1100px;
    padding: 20px;
}

/* --- KARTEN STRUKTUR --- */

.app-card {
    width: 300px;
    display: flex;
    position: relative; /* Wichtig für das Overlay */
    text-decoration: none;
    color: inherit;
}

.app-card-inner {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 28px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    z-index: 1;
}

/* Unsichtbarer Link über die gesamte Karte (für die App-Webseite) */
.card-link-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2;
    border-radius: 28px;
}

.app-card:hover .app-card-inner {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* --- INHALTE --- */

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 22.5%;
    margin-bottom: 25px;
    object-fit: cover;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

h2 {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 10px 0;
}

p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1; /* Schiebt den Badge nach unten */
}

/* --- BADGE BEREICH --- */

.badge-container {
    margin-top: auto;
    z-index: 3; /* Liegt über dem Overlay, damit der Store-Link klickbar ist */
    position: relative;
}

.download-cta-badge {
    height: 40px;
    transition: transform 0.2s ease;
    display: block;
}

.download-cta-badge:hover {
    transform: scale(1.06);
}

/* --- FOOTER --- */

footer {
    margin-top: auto;
    padding: 60px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

footer nav {
    margin-top: 15px;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* --- MOBILE OPTIMIERUNG --- */

@media (max-width: 600px) {
    header { margin: 40px 20px; }
    h1 { font-size: 2.2rem; }
    .subtitle { font-size: 1.1rem; }
    .app-card { width: 100%; max-width: 320px; }
    .app-grid { gap: 20px; }
}