/* style/khuyen-mai.css */
/* Base styles for the page-khuyen-mai */
.page-khuyen-mai {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main, #333333);
    background-color: var(--background, #F5F7FA);
}

/* Hero Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Adjusted for shared header offset */
    padding-bottom: 60px;
    background: linear-gradient(180deg, #F5F7FA 0%, #ffffff 100%); /* Light background for hero */
    text-align: center;
}

.page-khuyen-mai__hero-container {
    max-width: 1170px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 40px 16px;
    text-align: left;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
    color: var(--text-main, #333333);
}

.page-khuyen-mai__main-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #E53935;
}

.page-khuyen-mai__intro-description {
    font-size: 1.125rem;
    margin-bottom: 30px;
    color: var(--text-main, #333333);
}

.page-khuyen-mai__cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-khuyen-mai__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
    background: #ffffff;
    color: #E53935;
    border: 2px solid #E53935;
}

.page-khuyen-mai__btn-secondary:hover {
    background: #E53935;
    color: #ffffff;
}

.page-khuyen-mai__btn-secondary--light {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.page-khuyen-mai__btn-secondary--light:hover {
    background: #ffffff;
    color: #E53935;
}

.page-khuyen-mai__hero-image {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: center;
}

.page-khuyen-mai__hero-side-image {
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* General Section Styles */
.page-khuyen-mai__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
}

.page-khuyen-mai__section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #E53935;
}

.page-khuyen-mai__section-title--light {
    color: #ffffff;
}

.page-khuyen-mai__section-description {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-main, #333333);
}

.page-khuyen-mai__section-description--light {
    color: #f0f0f0;
}

.page-khuyen-mai__light-bg {
    background-color: var(--background, #F5F7FA);
    color: var(--text-main, #333333);
}

.page-khuyen-mai__dark-bg {
    background-color: #E53935;
    color: #ffffff;
}

/* Promo Grid Section */
.page-khuyen-mai__promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyen-mai__promo-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyen-mai__promo-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-khuyen-mai__promo-card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-khuyen-mai__promo-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-khuyen-mai__promo-card-title a {
    color: #E53935;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-khuyen-mai__promo-card-title a:hover {
    color: #FF5A4F;
}

.page-khuyen-mai__promo-card-text {
    font-size: 1rem;
    color: var(--text-main, #333333);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-khuyen-mai__promo-card-btn {
    width: 100%;
    margin-top: auto;
}

.page-khuyen-mai__additional-info-text {
    font-size: 1rem;
    text-align: center;
    margin-top: 50px;
    color: var(--text-main, #333333);
    padding: 0 15px;
}

/* Guide Section */
.page-khuyen-mai__guide-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: #E53935;
}

.page-khuyen-mai__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-khuyen-mai__guide-step {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.page-khuyen-mai__guide-step:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai__guide-step-icon {
    width: 60px;
    height: 60px;
    line-height: 60px;
    background: #ffffff;
    color: #E53935;
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}