/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

.page-register {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light backgrounds */
    background-color: var(--background-color, #FFFFFF); /* Fallback to white if var not defined */
}

/* Hero Section */
.page-register__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image above content */
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 20px 60px; /* Small top padding, more bottom padding */
    overflow: hidden;
    background-color: #26A9E0; /* Brand color background for hero */
    color: #FFFFFF; /* White text for dark background */
}

.page-register__hero-image {
    width: 100%;
    max-width: 1920px; /* Max width for large screens */
    height: auto;
    object-fit: cover;
    margin-bottom: 30px; /* Space between image and content */
}

.page-register__hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 1; /* Ensure content is above any potential background effects */
}

.page-register__main-title {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    max-width: 100%; /* Ensure H1 doesn't overflow */
    margin-bottom: 20px;
    color: #FFFFFF;
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Example clamp for responsive H1 */
}

.page-register__hero-description {
    font-size: 1.15rem;
    margin-bottom: 30px;
    color: #FFFFFF;
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Break long words */
}

.page-register__btn-primary {
    background-color: #26A9E0; /* Main brand color */
    color: #FFFFFF;
    border: 2px solid #26A9E0;
}

.page-register__btn-primary:hover {
    background-color: #1e87b7;
    border-color: #1e87b7;
}

.page-register__btn-secondary {
    background-color: #FFFFFF;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-register__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #1e87b7;
    border-color: #1e87b7;
}

.page-register__btn--large {
    padding: 18px 36px;
    font-size: 1.2rem;
}

/* General Section Styles */
.page-register__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-register__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #333333;
}

.page-register__section-title--white {
    color: #FFFFFF;
}

.page-register__section-description {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 30px;
}

.page-register__light-bg {
    background-color: #FFFFFF; /* Light background for sections */
    color: #333333;
    padding: 80px 0;
}

.page-register__dark-bg {
    background-color: #26A9E0; /* Dark background for sections */
    color: #FFFFFF;
    padding: 80px 0;
}

/* Why Register Section */
.page-register__why-register-section .page-register__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-register__card {
    background-color: #f8f8f8;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: left;
    color: #333333;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-register__card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #26A9E0;
}

.page-register__card p {
    font-size: 1rem;
    line-height: 1.7;
}

.page-register__highlight {
    font-weight: bold;
    color: #26A9E0; /* Highlight color */
}
.page-register__dark-bg .page-register__highlight {
    color: #FFFFFF; /* Highlight color on dark background */
}

/* How To Register Section */
.page-register__how-to-register-section {
    padding-bottom: 40px; /* Adjust padding for notes section */
}

.page-register__step-by-step {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.page-register__step-item {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-register__step-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.page-register__step-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-register__step-item p {
    font-size: 1rem;
    color: #f0f0f0;
}

.page-register__notes {
    max-width: 800px;
    margin: 60px auto 0;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 30px;
    text-align: left;
}

.page-register__notes-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #FFFFFF;
}

.page-register__notes ul {
    list-style: disc;
    padding-left: 20px;
    color: #f0f0f0;
}

.page-register__notes li {
    margin-bottom: 10px;
    font-size: 1rem;
}

.page-register__notes a {
    color: #FFFFFF;
    text-decoration: underline;
}

.page-register__notes a:hover {
    color: #f0f0f0;
}

/* Promotions Section */
.page-register__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-register__promotion-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-register__promotion-image {
    width: 100%;
    height: 200px; /* Fixed height for promo images */
    object-fit: cover;
    display: block;
}

.page-register__promotion-card .page-register__promotion-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 20px 20px 10px;
    color: #26A9E0;
}

.page-register__promotion-card p {
    font-size: 1rem;
    margin: 0 20px 20px;
    flex-grow: 1;
    color: #333333;
}

.page-register__promotion-card .page-register__btn-secondary {
    margin: 0 20px 20px;
    align-self: flex-start;
}

.page-register__cta-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #e0e0e0;
}

.page-register__cta-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 500;
    color: #333333;
}

/* FAQ Section */
.page-register__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #FFFFFF;
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    list-style: none; /* For <summary> tag */
}

.page-register__faq-question::-webkit-details-marker {
    display: none; /* For <summary> tag */
}

.page-register__faq-item[open] .page-register__faq-question {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.page-register__faq-qtext {
    flex-grow: 1;
    color: #FFFFFF;
}

.page-register__faq-toggle {
    font-size: 1.5rem;
    margin-left: 15px;
    color: #FFFFFF;
    line-height: 1;
}

.page-register__faq-answer {
    padding: 15px 25px 20px;
    font-size: 1rem;
    line-height: 1.7;
    color: #f0f0f0;
}

.page-register__faq-answer p {
    margin-bottom: 0;
}

.page-register__faq-answer a {
    color: #FFFFFF;
    text-decoration: underline;
}

.page-register__faq-answer a:hover {
    color: #f0f0f0;
}

/* Conclusion Section */
.page-register__conclusion-section {
    padding: 80px 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: clamp(2rem, 4vw, 3rem);
    }
    .page-register__section-title {
        font-size: 2rem;
    }
    .page-register__hero-section {
        padding: 10px 15px 40px;
    }
    .page-register__light-bg,
    .page-register__dark-bg,
    .page-register__conclusion-section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .page-register {
        font-size: 16px;
        line-height: 1.6;
    }

    /* All images */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* All image/video/button containers */
    .page-register__container,
    .page-register__hero-section,
    .page-register__why-register-section,
    .page-register__how-to-register-section,
    .page-register__promotions-section,
    .page-register__faq-section,
    .page-register__conclusion-section,
    .page-register__card,
    .page-register__step-item,
    .page-register__promotion-card,
    .page-register__cta-bottom,
    .page-register__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        overflow: hidden !important; /* Ensure no overflow */
    }

    /* Buttons */
    .page-register__btn-primary,
    .page-register__btn-secondary,
    .page-register a[class*="button"],
    .page-register a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important; /* Full width buttons on mobile */
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin-bottom: 15px;
    }

    .page-register__hero-content .page-register__btn-primary {
        margin-bottom: 0;
    }

    .page-register__cta-bottom .page-register__btn-primary {
        margin-bottom: 0;
    }
    
    .page-register__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    .page-register__section-title {
        font-size: 1.8rem;
    }
    .page-register__hero-description,
    .page-register__section-description,
    .page-register__card p,
    .page-register__step-item p,
    .page-register__notes li,
    .page-register__promotion-card p,
    .page-register__cta-text,
    .page-register__faq-answer p {
        font-size: 1rem;
    }

    .page-register__hero-section {
        padding-top: 10px !important; /* Small top padding, not var(--header-offset) */
        padding-bottom: 30px;
    }

    .page-register__light-bg,
    .page-register__dark-bg,
    .page-register__conclusion-section {
        padding: 40px 0;
    }

    .page-register__grid,
    .page-register__step-by-step,
    .page-register__promotions-grid {
        grid-template-columns: 1fr; /* Single column layout */
        gap: 20px;
    }
    
    .page-register__promotion-image {
        height: 180px; /* Adjust height for mobile */
    }

    .page-register__faq-question {
        font-size: 1.1rem;
        padding: 15px 20px;
    }
    .page-register__faq-answer {
        padding: 10px 20px 15px;
    }
}