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

body {
    background: #ffffff;
    color: #222;
    line-height: 1.6;
}

/* ===== HEADER ===== */
.header {
    text-align: center;
    padding: 60px 20px 50px;
    background: whitesmoke;
    border-bottom: 1px solid #eee;
}

.logo img {
    width: 90px;
    background: #ffffff;
    padding: 12px;
    border-radius: 50%;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    margin-bottom: 16px;
}

.header h1 {
    font-size: 48px;
    font-weight: bold;
    color: #111;
    max-width: 600px;
    margin: auto;
}

.vn {
    color: red;
}

/* ===== SECTION ===== */
.section {
    padding: 50px 20px;
    text-align: center;
}

.section-light {
    background: #fafafa;
}

.section h2 {
    font-size: 24px;
    color: #c62828;
    margin-bottom: 18px;
}

.section p {
    font-size: 15.5px;
    color: #444;
    max-width: 600px;
    margin: auto;
    line-height: 1.8;
}

/* Note text */
.note {
    margin-top: 12px;
    font-size: 14px;
    color: #777;
    font-style: italic;
}

/* ===== MARKET BUTTON ===== */
.market-buttons {
    display: flex;
    justify-content: center;
    margin-top: 28px;
}

.btn {
    min-width: 220px;
    padding: 15px 28px;
    border-radius: 32px;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 16px;
}

/* Shopee */
.btn.shopee {
    background: #ee4d2d;
}

.btn.shopee:hover {
    background: #d63f22;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(238, 77, 45, 0.4);
}

/* ===== FOOTER ===== */
.footer {
    background: brown;
    color: white;
    font-weight: bold;
    text-align: center;
    padding: 18px;
    font-size: 14px;
}

/* ===== MOBILE ===== */
@media (max-width: 480px) {
    .header h1 {
        font-size: 22px;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}