/* ===== 58win1 Khuyến Mãi Page Styles ===== */
.page-khuyen-mai {
    background-color: #F5F7FA;
    color: #333333;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px 0;
}
.page-khuyen-mai__hero-image-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.page-khuyen-mai__hero-image {
    width: 100%;
    height: auto;
    aspect-ratio: 17 / 5;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}
.page-khuyen-mai__hero-content {
    text-align: center;
    padding: 24px 16px 8px;
}
.page-khuyen-mai__hero-title {
    color: #E53935;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin: 0 0 12px;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}
.page-khuyen-mai__hero-desc {
    color: #444444;
    max-width: 800px;
    margin: 0 auto 20px;
    font-size: 1rem;
}
.page-khuyen-mai__hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

/* Button Components */
.page-khuyen-mai__btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 999px;
    text-align: center;
    transition: opacity 0.3s ease, transform 0.2s ease;
    border: 1px solid transparent;
}
.page-khuyen-mai__btn--primary {
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
}
.page-khuyen-mai__btn--ghost {
    background: transparent;
    color: #E53935;
    border-color: #E53935;
}
.page-khuyen-mai__btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Promo Section */
.page-khuyen-mai__promo-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 16px;
}
.page-khuyen-mai__section-title {
    text-align: center;
    color: #E53935;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.page-khuyen-mai__section-desc {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #555555;
}
.page-khuyen-mai__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.page-khuyen-mai__promo-card {
    background-color: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #E0E0E0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    transition: box-shadow 0.3s ease;
}
.page-khuyen-mai__promo-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.page-khuyen-mai__promo-img {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    display: block;
}
.page-khuyen-mai__promo-body {
    padding: 20px;
}
.page-khuyen-mai__promo-title {
    color: #E53935;
    font-size: 1.35rem;
    margin-top: 0;
    margin-bottom: 10px;
}
.page-khuyen-mai__promo-desc {
    color: #444444;
    margin-bottom: 16px;
}
.page-khuyen-mai__promo-code {
    font-weight: 600;
    color: #333;
    background: #FFEBEE;
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    margin: 0 0 16px;
}

/* Event Section */
.page-khuyen-mai__event-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    background: linear-gradient(135deg, #FFF0F0 0%, #FFFFFF 50%);
    border-radius: 24px;
}
.page-khuyen-mai__event-title {
    color: #E53935;
    font-size: 1.8rem;
    margin-top: 0;
}
.page-khuyen-mai__event-desc {
    color: #444;
}
.page-khuyen-mai__event-subtitle {
    color: #333;
    margin-top: 20px;
}
.page-khuyen-mai__event-steps {
    padding-left: 20px;
    color: #555;
}
.page-khuyen-mai__event-step {
    margin-bottom: 8px;
}
.page-khuyen-mai__event-image-wrap {
    width: 100%;
}
.page-khuyen-mai__event-image {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    border-radius: 16px;
}

/* Guide Section */
.page-khuyen-mai__guide-section {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 16px 40px;
}
.page-khuyen-mai__guide-title {
    text-align: center;
    color: #E53935;
    font-size: 1.8rem;
    margin-bottom: 32px;
}
.page-khuyen-mai__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.page-khuyen-mai__guide-card {
    background: #FFFFFF;
    padding: 24px;
    border-radius: 16px;
    border: 1px solid #E0E0E0;
    text-align: center;
}
.page-khuyen-mai__guide-card-title {
    color: #E53935;
    margin-top: 0;
}
.page-khuyen-mai__guide-card-desc {
    color: #555;
    font-size: 0.95rem;
}
.page-khuyen-mai__link {
    color: #E53935;
    font-weight: 700;
    text-decoration: underline;
}

/* Terms */
.page-khuyen-mai__terms-section {
    max-width: 1000px;
    margin: 0 auto 40px;
    padding: 32px;
    background: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 16px;
}
.page-khuyen-mai__terms-desc {
    color: #555;
    margin-bottom: 16px;
}
.page-khuyen-mai__terms-list {
    list-style: disc;
    padding-left: 24px;
    color: #444;
}
.page-khuyen-mai__terms-item {
    margin-bottom: 8px;
}

/* FAQ */
.page-khuyen-mai__faq-section {
    max-width: 1000px;
    margin: 0 auto 60px;
    padding: 0 16px;
}
.page-khuyen-mai__faq-item {
    background: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    margin-bottom: 16px;
    padding: 16px 20px;
}
.page-khuyen-mai__faq-question {
    font-weight: 700;
    color: #333;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.page-khuyen-mai__faq-question::-webkit-details-marker {
    display: none;
}
.page-khuyen-mai__faq-icon {
    color: #E53935;
    font-size: 1.5rem;
    line-height: 1;
}
.page-khuyen-mai__faq-answer {
    color: #555;
    margin-top: 12px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .page-khuyen-mai__hero-section {
        padding: 10px 8px 0;
    }
    .page-khuyen-mai__hero-image {
        aspect-ratio: 2 / 1;
    }
    .page-khuyen-mai__hero-content {
        padding: 16px 8px;
    }
    .page-khuyen-mai__hero-title {
        font-size: 1.4rem;
    }
    .page-khuyen-mai__event-section {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px 16px;
    }
    .page-khuyen-mai__event-image-wrap {
        order: -1;
    }
    .page-khuyen-mai__promo-grid {
        grid-template-columns: 1fr;
    }
    .page-khuyen-mai__guide-steps {
        grid-template-columns: 1fr;
    }
    .page-khuyen-mai__btn {
        max-width: 100%;
        box-sizing: border-box;
    }
    .page-khuyen-mai__hero-actions {
        flex-direction: column;
        gap: 10px;
    }
    .page-khuyen-mai img {
        max-width: 100% !important;
        height: auto !important;
    }
    .page-khuyen-mai__section-title {
        font-size: 1.5rem;
    }
}
@media (max-width: 480px) {
    .page-khuyen-mai__terms-section {
        padding: 20px;
    }
}