.page-register {
    font-family: Arial, sans-serif;
    background-color: #08160F; /* Nền tối theo custom color */
    color: #F2FFF6; /* Text Main theo custom color */
}

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* body đã có padding-top */
    background-color: #08160F;
    overflow: hidden;
    text-align: center;
}

.page-register__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px;
}

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

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

.page-register__main-title {
    font-size: clamp(2em, 4vw, 3.5em);
    font-weight: 700;
    color: #F2FFF6;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-register__description {
    font-size: 1.1em;
    color: #A7D9B8; /* Text Secondary */
    margin-bottom: 30px;
    line-height: 1.6;
}

.page-register__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    font-weight: 700;
    color: #F2FFF6;
    text-align: center;
    margin-bottom: 20px;
}

.page-register__section-description {
    font-size: 1.05em;
    color: #A7D9B8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

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

.page-register__dark-section {
    background-color: #08160F;
    color: #F2FFF6;
    padding: 60px 0;
}

.page-register__light-bg {
    background-color: #11271B; /* Card BG */
    color: #F2FFF6;
    padding: 60px 0;
}

.page-register__btn-primary,
.page-register__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    white-space: normal; /* Cho phép xuống dòng */
    word-wrap: break-word; /* Ngắt từ */
    box-sizing: border-box;
    text-align: center;
    margin: 10px;
}

.page-register__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff;
    border: none;
}

.page-register__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(34, 199, 104, 0.4);
}

.page-register__btn-secondary {
    background-color: transparent;
    color: #57E38D; /* Glow color */
    border: 2px solid #2E7A4E; /* Border color */
}

.page-register__btn-secondary:hover {
    background-color: rgba(87, 227, 141, 0.1);
    color: #F2FFF6;
    border-color: #57E38D;
    transform: translateY(-2px);
}

.page-register__btn-large {
    min-width: 250px;
    padding: 18px 35px;
    font-size: 1.2em;
}

.page-register__advantages-section .page-register__section-title,
.page-register__verification-section .page-register__section-title,
.page-register__faq-section .page-register__section-title {
    color: #F2FFF6;
}

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

.page-register__advantage-card,
.page-register__promotion-card,
.page-register__step-card {
    background-color: #11271B; /* Card BG */
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #2E7A4E; /* Border color */
    height: 100%; /* Đảm bảo chiều cao bằng nhau */
    display: flex;
    flex-direction: column;
}

.page-register__advantage-card:hover,
.page-register__promotion-card:hover,
.page-register__step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(34, 199, 104, 0.3);
}

.page-register__card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
    min-width: 200px;
    min-height: 200px;
}

.page-register__card-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #F2FFF6;
    margin-bottom: 15px;
    line-height: 1.4;
}

.page-register__advantage-card p,
.page-register__promotion-card p,
.page-register__step-card p {
    color: #A7D9B8;
    font-size: 0.95em;
    line-height: 1.6;
    flex-grow: 1; /* Đẩy button xuống dưới */
}

.page-register__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register__step-card .page-register__card-image {
    margin-top: auto;
}

.page-register__step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #13994A;
    color: #ffffff;
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-register__additional-info {
    font-size: 0.9em;
    color: #A7D9B8;
    text-align: center;
    margin-top: 40px;
    padding: 0 15px;
}

.page-register__verification-section {
    padding: 60px 0;
}

.page-register__verification-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.page-register__verification-image {
    max-width: 500px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    min-height: 200px;
}

.page-register__verification-text {
    flex: 1;
    min-width: 300px;
    max-width: 600px;
}

.page-register__verification-text h3 {
    font-size: 1.8em;
    color: #F2FFF6;
    margin-bottom: 20px;
}

.page-register__verification-text ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-register__verification-text li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
    font-size: 1.05em;
    color: #A7D9B8;
}

.page-register__verification-text li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: #2AD16F;
}

.page-register__verification-text p {
    font-size: 1em;
    color: #A7D9B8;
    line-height: 1.6;
}

.page-register__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register__promotion-card a {
    margin-top: 20px;
    width: auto;
}

.page-register__faq-section {
    padding: 60px 0;
}

.page-register__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__faq-item {
    background-color: #11271B; /* Card BG */
    border: 1px solid #2E7A4E; /* Border color */
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-register__faq-item summary {
    list-style: none;
}

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

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: #F2FFF6;
    cursor: pointer;
    background-color: #11271B;
    border-bottom: 1px solid transparent; /* default */
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-register__faq-item[open] .page-register__faq-question {
    border-bottom-color: #2E7A4E;
}

.page-register__faq-question:hover {
    background-color: rgba(34, 199, 104, 0.1);
}

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

.page-register__faq-toggle {
    font-size: 1.5em;
    font-weight: 700;
    color: #57E38D;
    margin-left: 15px;
}

.page-register__faq-answer {
    padding: 15px 25px 20px 25px;
    font-size: 1em;
    color: #A7D9B8;
    line-height: 1.6;
}

.page-register__cta-section {
    padding: 80px 20px;
    text-align: center;
    background-color: #0A4B2C; /* Deep Green */
    border-top: 2px solid #11A84E;
}

.page-register__cta-section .page-register__btn-primary,
.page-register__cta-section .page-register__btn-secondary {
    margin: 15px;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: clamp(1.8em, 5vw, 3em);
    }
    .page-register__section-title {
        font-size: clamp(1.6em, 4.5vw, 2.5em);
    }
    .page-register__advantage-card,
    .page-register__promotion-card,
    .page-register__step-card {
        padding: 25px;
    }
    .page-register__card-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .page-register__hero-section,
    .page-register__dark-section,
    .page-register__light-bg,
    .page-register__cta-section {
        padding: 40px 0;
    }
    .page-register__hero-content {
        padding: 0 15px;
    }
    .page-register__hero-image-wrapper {
        margin-bottom: 20px;
    }
    .page-register__main-title {
        font-size: clamp(1.6em, 7vw, 2.5em);
    }
    .page-register__section-title {
        font-size: clamp(1.4em, 6vw, 2em);
    }
    .page-register__section-description,
    .page-register__description {
        font-size: 0.95em;
        margin-bottom: 20px;
    }

    /* Mobile image responsiveness */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-register__hero-image-wrapper,
    .page-register__advantages-grid,
    .page-register__steps-grid,
    .page-register__promotions-grid,
    .page-register__verification-content,
    .page-register__faq-list,
    .page-register__cta-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    .page-register__card-image {
        height: auto;
        min-height: 200px;
    }

    /* Mobile button responsiveness */
    .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;
        margin: 10px 0 !important;
    }

    .page-register__cta-section .page-register__btn-primary,
    .page-register__cta-section .page-register__btn-secondary {
        display: block;
    }

    .page-register__verification-content {
        flex-direction: column;
    }
    .page-register__verification-image {
        max-width: 100%;
    }
    .page-register__verification-text {
        min-width: unset;
        max-width: 100%;
        text-align: center;
    }
    .page-register__verification-text ul {
        text-align: left;
    }

    .page-register__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-register__faq-answer {
        padding: 10px 20px 15px 20px;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .page-register__main-title {
        font-size: clamp(1.4em, 8vw, 2em);
    }
    .page-register__section-title {
        font-size: clamp(1.2em, 7vw, 1.8em);
    }
    .page-register__btn-large {
        min-width: unset;
        padding: 15px 20px;
        font-size: 1em;
    }
}