body {
    font-family: Vazir, sans-serif;
    transition: 0.3s;
    background: #eaedf2;
}

/* DARK MODE */
.dark {
    background: #36393e;
    color: white;
}
.btn-theme {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0f172a;
    transition: 0.3s;
}

/* دارک مود */
.dark .btn-theme {
    color: #facc15; /* زرد ملایم برای خورشید */
}

/* hover */
.btn-theme:hover {
    transform: scale(1.1);
}
/* HERO */
.hero {
    padding: 140px 0 100px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
}

.hero p {
    max-width: 600px;
    margin: auto;
}

/* FEATURES */
.feature {
    padding: 80px 0;
}

.feature-card {
    border: none;
    border-radius: 20px;
    padding: 30px;
    transition: 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    background-color: #fcfdff;
}

/* ✅ این مهمه */
.dark .feature-card {
    background-color: #202328;
    color: #e2e8f0;
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

/* DOWNLOAD */
.download {
    padding: 80px 0;   /* مثل feature */
}

.download .container {
    background: linear-gradient(135deg,#0d6efd,#5c9eff);
    color: white;
    border-radius: 30px;
    padding: 80px 20px;
    box-shadow: 0 20px 60px rgba(13,110,253,0.3);
}

/* FOOTER */
footer {
    padding: 30px;
    opacity: .7;
}