:root { --primary: #2563eb; --dark: #0f172a; --bg: #f8fafc; }
body { font-family: 'Inter', sans-serif; background-color: var(--bg); color: var(--dark); line-height: 1.6; }
.navbar { background: white; padding: 1rem 0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.nav-link { font-weight: 600; color: var(--dark) !important; margin: 0 15px; transition: 0.3s; }
.nav-link:hover { color: var(--primary) !important; }
.card-custom { background: white; padding: 40px; border-radius: 20px; border: none; }
.btn-primary { background-color: var(--primary); border: none; padding: 12px 25px; border-radius: 12px; font-weight: 600; }
footer { background: white; padding: 40px 0; margin-top: 50px; border-top: 1px solid #eee; }
/* App Store Buton Tasarımı */
.btn-appstore {
    background-color: #000000;
    color: white !important;
    border-radius: 10px;
    padding: 10px 20px;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.2s;
    border: 1px solid #333;
}
.btn-appstore:hover {
    transform: scale(1.05);
    background-color: #1a1a1a;
}
.btn-appstore img {
    height: 24px;
    margin-right: 10px;
}