/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các phần tử đầu tiên */
.page-register {
    font-family: 'Arial', sans-serif;
    color: var(--text-main-color);
    background-color: var(--bg-color);
}

/* Custom CSS Variables */
:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg-color: #11271B;
    --bg-color: #08160F; /* Body background color from shared.css */
    --text-main-color: #F2FFF6;
    --text-secondary-color: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green-color: #0A4B2C;
    /* --header-offset được định nghĩa trong shared.css và áp dụng cho body */
}

/* Base styles for sections */
.page-register__hero-section,
.page-register__benefits-section,
.page-register__how-to-register,
.page-register__important-notes,
.page-register__promotions-section,
.page-register__faq-section,
.page-register__call-to-action {
    padding: 60px 20px;
    box-sizing: border-box;
    width: 100%;
}

.page-register__hero-section {
    padding-top: 10px; /* Chỉ một khoảng cách nhỏ trang trí, body đã xử lý bù đắp header */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: var(--bg-color); /* Đảm bảo phần hero sử dụng nền tối */
    color: var(--text-main-color);
}

.page-register__hero-image-wrapper {
    width: 100%;
    max-width: 1920px; /* Chiều rộng tối đa cho hình ảnh hero */
    margin-bottom: 30px;
}

.page-register__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

.page-register__hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.page-register__hero-title {
    font-size: clamp(2em, 4vw, 3em); /* Kích thước font phản hồi cho H1 */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-main-color);
}

.page-register__hero-description {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--text-secondary-color);
}

.page-register__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Cho phép xuống dòng trên màn hình nhỏ */
}

/* Button Base Styles */
.page-register__btn-primary,
.page-register__btn-secondary,
.page-register__btn-tertiary,
.page-register__btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal; /* Cho phép chữ xuống dòng */
    word-wrap: break-word; /* Cho phép chữ xuống dòng */
    text-align: center;
}

.page-register__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main-color);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-register__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-register__btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-register__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main-color);
    transform: translateY(-2px);
}

.page-register__btn-tertiary {
    background: var(--deep-green-color);
    color: var(--text-main-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    font-size: 0.95em;
    border-radius: 6px;
}

.page-register__btn-tertiary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.page-register__btn-large {
    padding: 18px 35px;
    font-size: 1.2em;
}

.page-register__dark-section {
    background-color: var(--bg-color);
    color: var(--text-main-color);
}

.page-register__light-section {
    background-color: #0A1F16; /* Màu xanh đậm hơi nhạt hơn để tạo độ tương phản */
    color: var(--text-main-color);
}

.page-register__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-register__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-main-color);
}

.page-register__description {
    font-size: 1.1em;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-secondary-color);
}

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

.page-register__card {
    background-color: var(--card-bg-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    color: var(--text-main-color);
    border: 1px solid var(--border-color);
}

.page-register__card-image {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-register__card-title {
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main-color);
}

.page-register__card-text {
    font-size: 1em;
    line-height: 1.6;
    color: var(--text-secondary-color);
}

/* How-to Register Section */
.page-register__step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-register__step-card {
    background-color: var(--card-bg-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    color: var(--text-main-color);
    border: 1px solid var(--border-color);
}

.page-register__step-image {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-register__step-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main-color);
}

.page-register__step-text {
    font-size: 0.95em;
    line-height: 1.6;
    color: var(--text-secondary-color);
}

.page-register__cta-center {
    text-align: center;
    margin-top: 40px;
}

/* Important Notes Section */
.page-register__notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-register__note-item {
    background-color: var(--card-bg-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: var(--text-main-color);
    border: 1px solid var(--border-color);
}

.page-register__note-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main-color);
}

.page-register__note-text {
    font-size: 0.95em;
    line-height: 1.6;
    color: var(--text-secondary-color);
}

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

.page-register__promo-card {
    background-color: var(--card-bg-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    color: var(--text-main-color);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-register__promo-image {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-register__promo-title {
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main-color);
}

.page-register__promo-text {
    font-size: 1em;
    line-height: 1.6;
    color: var(--text-secondary-color);
    margin-bottom: 20px;
    flex-grow: 1;
}

/* FAQ Section */
.page-register__faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.page-register__faq-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main-color);
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--deep-green-color);
    color: var(--text-main-color);
    transition: background-color 0.3s ease;
}

.page-register__faq-question:hover {
    background-color: var(--primary-color);
}

.page-register__faq-item[open] .page-register__faq-question {
    background-color: var(--primary-color);
}

.page-register__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
}

.page-register__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    line-height: 1.6;
    color: var(--text-secondary-color);
}

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

/* For details tag, hide default marker */
.page-register__faq-item summary {
    list-style: none;
}

.page-register__faq-item summary::-webkit-details-marker {
    display: none;
}

/* Call to Action Section */
.page-register__call-to-action {
    text-align: center;
    background-color: #0A1F16; /* Slightly lighter dark green */
    color: var(--text-main-color);
}

/* Global image styles for responsiveness and minimum size */
.page-register img {
    min-width: 200px;
    min-height: 200px;
    object-fit: cover; /* Đảm bảo hình ảnh lấp đầy không gian mà không bị biến dạng */
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-register__hero-title {
        font-size: clamp(2em, 5vw, 2.8em);
    }
    .page-register__section-title {
        font-size: 2em;
    }
    .page-register__btn-primary,
    .page-register__btn-secondary,
    .page-register__btn-large {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-register__cta-buttons {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .page-register__hero-section,
    .page-register__benefits-section,
    .page-register__how-to-register,
    .page-register__important-notes,
    .page-register__promotions-section,
    .page-register__faq-section,
    .page-register__call-to-action {
        padding: 40px 15px;
    }

    .page-register__hero-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
    }
    .page-register__hero-description {
        font-size: 1em;
    }
    .page-register__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    /* Mobile image responsiveness */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        min-width: 200px !important; /* Buộc kích thước tối thiểu ngay cả trên di động */
        min-height: 200px !important;
    }

    /* Tất cả các container hình ảnh phải thích ứng */
    .page-register__hero-image-wrapper,
    .page-register__card,
    .page-register__step-card,
    .page-register__promo-card,
    .page-register__note-item,
    .page-register__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px; /* Thêm padding cho các container nội dung */
        padding-right: 15px;
        overflow: hidden !important;
    }

    /* Mobile button responsiveness */
    .page-register__cta-button,
    .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;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px; /* Đảm bảo padding cho các nút full-width */
        padding-right: 15px;
    }

    /* Mobile button containers adaptation */
    .page-register__cta-buttons,
    .page-register__button-group,
    .page-register__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column !important; /* Xếp chồng các nút theo chiều dọc */
        gap: 15px !important;
        overflow: hidden !important;
    }
    .page-register__cta-buttons {
        display: flex;
    }

    /* FAQ item padding for mobile */
    .page-register__faq-question,
    .page-register__faq-answer {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 480px) {
    .page-register__hero-title {
        font-size: clamp(1.6em, 8vw, 2.2em);
    }
    .page-register__section-title {
        font-size: 1.6em;
    }
    .page-register__btn-primary,
    .page-register__btn-secondary,
    .page-register__btn-large {
        font-size: 0.9em;
        padding: 10px 20px;
    }
}