/* --- LandingPage Offer Viet Styles --- */

.lpo-offer-stack {
    font-family: 'Montserrat', sans-serif;
    box-sizing: border-box;
    max-width: 650px;
    margin: 40px auto;
    background: #fff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    position: relative;
    border: 1px solid #e0e0e0;
}
.lpo-offer-stack * {
    box-sizing: border-box;
}

/* ================== HEADER ================== */
.lpo-header {
    text-align: center;
    padding: 0 20px 25px 20px;
    position: relative;
}
.lpo-stack-img {
    margin: 0 auto;
    max-width: 90%;
    margin-top: -30px; /* Đẩy ảnh lồi lên trên một chút giống nguyên bản */
    margin-bottom: 15px;
}
.lpo-stack-img img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.3));
}
.lpo-header-text {
    color: #fff;
}
.lpo-h-title {
    font-weight: 800;
    font-size: 26px;
    margin: 0 0 10px 0;
    line-height: 1.3;
    color: #fff;
}
.lpo-h-subtitle {
    font-weight: 600;
    font-size: 18px;
    margin: 0;
    font-style: italic;
    color: rgba(255,255,255,0.9);
}

/* ================== BODY & LIST ================== */
.lpo-body {
    padding: 30px 40px 40px 40px;
}
.lpo-item-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}
.lpo-item-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #eee;
    font-size: 16px;
}
.lpo-item-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.lpo-item-left {
    flex: 1;
    padding-right: 15px;
    color: #333;
    font-family: 'Open Sans', sans-serif;
}
.lpo-item-left i {
    margin-right: 8px;
    font-size: 18px;
}
.lpo-item-right {
    font-weight: 800;
    color: #cc0000;
    white-space: nowrap;
}

/* ================== PRICING AREA ================== */
.lpo-pricing-area {
    text-align: center;
    margin-bottom: 30px;
}
.lpo-total-value {
    color: #cc0000;
    font-weight: 900;
    font-size: 28px;
    margin-bottom: 10px;
}
.lpo-cta-text {
    color: #111;
    font-weight: 800;
    font-size: 20px;
    margin-bottom: -5px;
}
.lpo-price-big {
    color: #00b050; /* Màu xanh lá chuẩn cho chữ Miễn Phí ở cả 3 mẫu */
    font-weight: 900;
    font-size: 55px;
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 15px;
}
.lpo-shipping-note {
    color: #333;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    font-weight: 700;
}

/* ================== BUTTON ================== */
.lpo-btn {
    display: block;
    text-decoration: none !important;
    text-align: center;
    border-radius: 4px;
    padding: 20px 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}
.lpo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}
.lpo-btn-main {
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.lpo-btn-main i {
    font-size: 22px;
}
.lpo-btn-sub {
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    font-weight: 400;
    font-family: 'Open Sans', sans-serif;
}

/* ================== THÊM GIAO DIỆN CỤ THỂ (THEMES) ================== */

/* 1. Theme Traffic Secrets (Màu Xanh Lá) */
.lpo-theme-traffic {
    border: 1px solid #00b050;
}
.lpo-theme-traffic .lpo-header {
    background-color: #00b050; /* Xanh lá */
}
.lpo-theme-traffic .lpo-item-left i {
    color: #00b050;
}
.lpo-theme-traffic .lpo-btn {
    background-color: #00b050;
    border-bottom: 4px solid #00803a;
}

/* 2. Theme Expert Secrets (Màu Xanh Dương) */
.lpo-theme-expert {
    border: none;
}
.lpo-theme-expert .lpo-header {
    background-color: #101c2d; /* Xanh đen */
    border-bottom: 8px solid #4a7ab5; /* Viền xanh dương dưới header */
    padding-top: 20px;
}
.lpo-theme-expert .lpo-stack-img {
    margin-top: -50px;
}
.lpo-theme-expert .lpo-item-left i {
    color: #4a7ab5; /* Checkmark xanh dương */
}
.lpo-theme-expert .lpo-btn {
    background-color: #4a7ab5; /* Nút Xanh dương */
    border-bottom: 4px solid #335987;
}

/* 3. Theme DotCom Secrets (Đen / Đỏ) */
.lpo-theme-dotcom {
    border: none;
}
.lpo-theme-dotcom .lpo-header {
    background-color: #141b22; /* Đen tuyền */
    border-bottom: 8px solid #cc0000; /* Viền đỏ dưới header */
    padding-top: 20px;
}
.lpo-theme-dotcom .lpo-stack-img {
    margin-top: -50px;
}
.lpo-theme-dotcom .lpo-item-left i {
    color: #cc0000; /* Checkmark đỏ */
}
.lpo-theme-dotcom .lpo-btn {
    background-color: #ff0000; /* Nút Đỏ */
    border-bottom: 4px solid #cc0000;
}

/* ================== MOBILE RESPONSIVE ================== */
@media (max-width: 600px) {
    .lpo-body {
        padding: 20px;
    }
    .lpo-h-title {
        font-size: 20px;
    }
    .lpo-item-list li {
        flex-direction: column;
    }
    .lpo-item-right {
        margin-top: 5px;
        padding-left: 26px; /* Canh lề bằng với chữ ở trên */
    }
    .lpo-price-big {
        font-size: 45px;
    }
    .lpo-btn-main {
        font-size: 16px;
    }
}