* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    background: #f4f6fb;
    color: #333;
}

/* ================= HEADER ================= */
.site-header {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    padding: 50px 20px;
    text-align: center;
    color: #ffffff;
}

.header-inner h1 {
    font-size: 38px;
    font-weight: 700;
}

.header-inner p {
    margin-top: 10px;
    font-size: 16px;
    opacity: 0.95;
}

/* ================= CONTAINER ================= */
.container {
    max-width: 1000px;
    margin: 50px auto;
    padding: 0 15px;
}

/* ================= GRID ================= */
.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

/* ================= EARNING BOX ================= */
.earn-box {
    background: #ffffff;
    padding: 36px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    outline: none;
    border: none;
}

.earn-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 35px rgba(0,0,0,0.12);
}

.earn-box:active {
    transform: scale(0.97);
}

.earn-box h2 {
    font-size: 32px;
    color: #16a34a;
    margin-bottom: 10px;
}

.earn-box span {
    font-size: 14px;
    color: #6b7280;
}

/* ================= MOBILE ================= */
@media (max-width: 700px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .header-inner h1 {
        font-size: 28px;
    }
}