.page-khuyn-mi {
    font-family: 'Arial', sans-serif;
    color: #f0f0f0; /* Default text color for dark background */
    background-color: #0d1a2c; /* A slightly lighter dark blue for overall page background */
}

.page-khuyn-mi__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-khuyn-mi__hero {
    background: linear-gradient(135deg, #1A2B4C, #0a1420); /* Darker gradient for hero */
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #FFD700; /* Gold for hero text */
}

.page-khuyn-mi__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: #FFD700; /* Ensure high contrast */
}

.page-khuyn-mi__hero-subtitle {
    font-size: 1.4em;
    margin-bottom: 40px;
    color: #e0e0e0; /* Lighter grey for subtitle */
}

.page-khuyn-mi__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    border: none;
}

.page-khuyn-mi__btn--primary {
    background-color: #FFD700; /* Gold */
    color: #1A2B4C; /* Dark blue text for gold button */
}

.page-khuyn-mi__btn--primary:hover {
    background-color: #e0b800; /* Slightly darker gold on hover */
    transform: translateY(-3px);
}

.page-khuyn-mi__btn--secondary {
    background-color: #1A2B4C; /* Dark blue */
    color: #FFD700; /* Gold text for dark blue button */
    border: 2px solid #FFD700;
    padding: 10px 20px;
    font-size: 1em;
}

.page-khuyn-mi__btn--secondary:hover {
    background-color: #2c426e; /* Lighter dark blue on hover */
    transform: translateY(-3px);
}

.page-khuyn-mi__btn--center {
  margin: 40px auto 0 auto;
  display: block;
  width: fit-content;
}

.page-khuyn-mi__section {
    padding: 60px 0;
    background-color: #132338; /* Slightly different dark background for sections */
    margin-bottom: 20px;
}

.page-khuyn-mi__section:nth-child(even) {
    background-color: #0d1a2c;
}

.page-khuyn-mi__section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    color: #FFD700; /* Gold for section titles */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.page-khuyn-mi__intro p {
    font-size: 1.1em;
    line-height: 1.6;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 30px auto;
    color: #f0f0f0;
}

.page-khuyn-mi__img-full-width {
    width: 100%;
    max-width: 1000px;
    height: auto;
    display: block;
    margin: 30px auto 0 auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-khuyn-mi__card {
    background-color: #1A2B4C; /* Dark blue card background */
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-khuyn-mi__card-title {
    font-size: 1.5em;
    color: #FFD700; /* Gold for card titles */
    margin-bottom: 15px;
}

.page-khuyn-mi__card p {
    font-size: 1em;
    line-height: 1.5;
    margin-bottom: 20px;
    color: #e0e0e0;
}

.page-khuyn-mi__promo-item {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
    background-color: #1A2B4C;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyn-mi__promo-item--reverse {
    flex-direction: row-reverse;
}

.page-khuyn-mi__promo-img {
    flex: 1;
    max-width: 45%;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.page-khuyn-mi__promo-content {
    flex: 1;
    max-width: 55%;
}

.page-khuyn-mi__promo-content h3 {
    font-size: 1.8em;
    color: #FFD700; /* Gold for promo item titles */
    margin-bottom: 15px;
}

.page-khuyn-mi__promo-content p {
    font-size: 1.05em;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #f0f0f0;
}

.page-khuyn-mi__promo-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-khuyn-mi__promo-content ul li {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23FFD700"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat left center;
    background-size: 18px;
    padding-left: 28px;
    margin-bottom: 8px;
    font-size: 1em;
    color: #f0f0f0;
}

.page-khuyn-mi__promo-content a {
    color: #FFD700;
    text-decoration: underline;
}

.page-khuyn-mi__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyn-mi__step-card {
    background-color: #1A2B4C; /* Dark blue step card */
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    position: relative;
    padding-top: 60px;
}

.page-khuyn-mi__step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #FFD700; /* Gold number background */
    color: #1A2B4C; /* Dark blue number text */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi__step-card h3 {
    font-size: 1.5em;
    color: #FFD700; /* Gold for step titles */
    margin-bottom: 10px;
}

.page-khuyn-mi__step-card p {
    color: #e0e0e0;
    line-height: 1.5;
}

.page-khuyn-mi__accordion {
    margin-top: 40px;
}

.page-khuyn-mi__accordion-item {
    background-color: #1A2B4C; /* Dark blue accordion item */
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-khuyn-mi__accordion-header {
    background-color: #2c426e; /* Slightly lighter dark blue for header */
    color: #FFD700; /* Gold text for accordion header */
    padding: 18px 25px;
    width: 100%;
    text-align: left;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.page-khuyn-mi__accordion-header:hover {
    background-color: #3d5a80;
}

.page-khuyn-mi__accordion-header::after {
    content: '+';
    font-size: 1.5em;
    transition: transform 0.3s ease;
}

.page-khuyn-mi__accordion-header.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-khuyn-mi__accordion-content {
    padding: 0 25px;
    background-color: #1A2B4C; /* Dark blue for content */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.page-khuyn-mi__accordion-content p {
    padding: 15px 0;
    font-size: 1em;
    line-height: 1.6;
    color: #e0e0e0;
}

.page-khuyn-mi__cta-bottom {
    background: linear-gradient(90deg, #1A2B4C, #FFD700);
    padding: 80px 0;
    text-align: center;
    color: #1A2B4C; /* Dark blue text for gold gradient CTA */
}

.page-khuyn-mi__cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: #1A2B4C; /* Ensure high contrast */
}

.page-khuyn-mi__cta-subtitle {
    font-size: 1.3em;
    margin-bottom: 40px;
    color: #333;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .page-khuyn-mi__hero-title {
        font-size: 2.8em;
    }
    .page-khuyn-mi__hero-subtitle {
        font-size: 1.2em;
    }
    .page-khuyn-mi__section-title {
        font-size: 2em;
    }
    .page-khuyn-mi__promo-item {
        flex-direction: column;
    }
    .page-khuyn-mi__promo-item--reverse {
        flex-direction: column;
    }
    .page-khuyn-mi__promo-img,
    .page-khuyn-mi__promo-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-khuyn-mi__hero {
        padding: 80px 0;
    }
    .page-khuyn-mi__hero-title {
        font-size: 2.2em;
    }
    .page-khuyn-mi__hero-subtitle {
        font-size: 1em;
    }
    .page-khuyn-mi__btn--primary {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-khuyn-mi__section {
        padding: 40px 0;
    }
    .page-khuyn-mi__section-title {
        font-size: 1.8em;
    }
    .page-khuyn-mi__grid {
        grid-template-columns: 1fr;
    }
    .page-khuyn-mi__card {
        padding: 25px;
    }
    .page-khuyn-mi__card-title {
        font-size: 1.3em;
    }
    .page-khuyn-mi__promo-item {
        gap: 20px;
        padding: 20px;
    }
    .page-khuyn-mi__promo-content h3 {
        font-size: 1.5em;
    }
    .page-khuyn-mi__step-card {
        padding-top: 50px;
    }
    .page-khuyn-mi__step-number {
        width: 45px;
        height: 45px;
        font-size: 1.5em;
    }
    .page-khuyn-mi__accordion-header {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-khuyn-mi__cta-title {
        font-size: 2.2em;
    }
    .page-khuyn-mi__cta-subtitle {
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    .page-khuyn-mi__hero {
        padding: 60px 0;
    }
    .page-khuyn-mi__hero-title {
        font-size: 1.8em;
    }
    .page-khuyn-mi__hero-subtitle {
        font-size: 0.9em;
    }
    .page-khuyn-mi__section-title {
        font-size: 1.5em;
    }
    .page-khuyn-mi__card-title {
        font-size: 1.2em;
    }
    .page-khuyn-mi__promo-content h3 {
        font-size: 1.3em;
    }
    .page-khuyn-mi__promo-content p,
    .page-khuyn-mi__promo-content ul li {
        font-size: 0.9em;
    }
    .page-khuyn-mi__step-card h3 {
        font-size: 1.3em;
    }
    .page-khuyn-mi__accordion-header {
        font-size: 1em;
        padding: 12px 15px;
    }
    .page-khuyn-mi__accordion-content p {
        font-size: 0.9em;
    }
    .page-khuyn-mi__cta-title {
        font-size: 1.8em;
    }
    .page-khuyn-mi__cta-subtitle {
        font-size: 0.9em;
    }
}