body {
    background-color: var(--background-color, #08160F);
    color: var(--text-main, #F2FFF6);
}

.page-register {
    background-color: var(--background-color, #08160F);
    color: var(--text-main, #F2FFF6);
}

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    text-align: center;
    overflow: hidden;
}

.page-register__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.page-register__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5); /* Darken image for text readability */
}

.page-register__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    color: var(--text-main, #F2FFF6);
    padding: 20px;
    background: rgba(0, 0, 0, 0.4); /* Slightly transparent background for text */
    border-radius: 10px;
}

.page-register__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main, #F2FFF6);
    margin-bottom: 20px;
}

.page-register__hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary, #A7D9B8);
    margin-bottom: 30px;
}

.page-register__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    transition: background 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-register__cta-button:hover {
    transform: translateY(-3px);
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-register__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    box-sizing: border-box;
}

.page-register__section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-main, #F2FFF6);
    text-align: center;
    margin-bottom: 25px;
}

.page-register__section-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary, #A7D9B8);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-register__dark-section {
    background-color: var(--background-color, #08160F);
    color: var(--text-main, #F2FFF6);
    padding: 80px 0;
}

.page-register__why-join-section .page-register__section-description {
    color: var(--text-secondary, #A7D9B8);
}

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

.page-register__feature-card {
    background-color: var(--card-bg, #11271B);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    color: var(--text-main, #F2FFF6);
}

.page-register__feature-card:hover {
    transform: translateY(-5px);
}

.page-register__feature-icon {
    width: 100%;
    height: auto;
    max-width: 150px;
    margin-bottom: 20px;
    object-fit: contain;
    border-radius: 8px;
}

.page-register__card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-main, #F2FFF6);
    margin-bottom: 15px;
}

.page-register__card-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary, #A7D9B8);
}

.page-register__how-to-register-section {
    background-color: var(--background-color, #08160F);
    padding: 80px 0;
    color: var(--text-main, #F2FFF6);
}

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

.page-register__step-card {
    background-color: var(--card-bg, #11271B);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: var(--text-main, #F2FFF6);
    position: relative;
    padding-top: 70px; /* Space for step number */
}

.page-register__step-card::before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter);
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--glow, #57E38D);
    color: #08160F;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 8px 15px;
    border-radius: 5px;
}

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

.page-register__final-cta-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary, #A7D9B8);
    text-align: center;
    margin-top: 50px;
    margin-bottom: 30px;
}

.page-register__video-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    text-align: center;
    overflow: hidden;
}

.page-register__video-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-register__video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    max-width: 1000px;
    margin: 40px auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-register__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    cursor: pointer;
}

.page-register__faq-section {
    background-color: var(--background-color, #08160F);
    padding: 80px 0;
    color: var(--text-main, #F2FFF6);
}

.page-register__faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-register__faq-item {
    background-color: var(--card-bg, #11271B);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    color: var(--text-main, #F2FFF6);
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main, #F2FFF6);
    background-color: var(--card-bg, #11271B);
    border-bottom: 1px solid var(--divider, #1E3A2A);
}

.page-register__faq-item[open] .page-register__faq-question {
    border-bottom: none;
}

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

.page-register__faq-question .page-register__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-register__faq-item[open] .page-register__faq-question .page-register__faq-toggle {
    transform: rotate(45deg);
}

.page-register__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary, #A7D9B8);
}

.page-register__call-to-action-bottom {
    background-color: var(--deep-green, #0A4B2C);
    padding: 80px 0;
    text-align: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-register__hero-content {
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .page-register__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }
    
    .page-register__hero-content {
        padding: 15px;
    }

    .page-register__main-title {
        font-size: clamp(2rem, 7vw, 2.8rem);
    }

    .page-register__hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-register__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-register__container {
        padding: 30px 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__section-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 20px;
    }

    .page-register__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-register__dark-section {
        padding: 50px 0;
    }

    .page-register__feature-card,
    .page-register__step-card {
        padding: 25px;
        padding-top: 60px;
    }

    .page-register__step-card::before {
        font-size: 1.1rem;
        padding: 6px 12px;
        top: 15px;
    }

    .page-register__how-to-register-section {
        padding: 50px 0;
    }

    .page-register__final-cta-text {
        font-size: 1rem;
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-register__video-section {
        padding: 40px 15px;
        padding-top: 10px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-register__video-wrapper {
        margin: 20px auto;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-register__faq-section {
        padding: 50px 0;
    }

    .page-register__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-register__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.9rem;
    }

    .page-register__call-to-action-bottom {
        padding: 50px 0;
    }

    /* Images responsive */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-register__hero-image-wrapper,
    .page-register__features-grid,
    .page-register__steps-grid,
    .page-register__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-register__features-grid,
    .page-register__steps-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-register__hero-content {
        padding: 10px;
    }

    .page-register__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .page-register__hero-description {
        font-size: 0.9rem;
    }

    .page-register__cta-button {
        font-size: 0.9rem;
        padding: 10px 20px;
    }

    .page-register__section-title {
        font-size: clamp(1.5rem, 7vw, 2.2rem);
    }

    .page-register__section-description {
        font-size: 0.85rem;
    }

    .page-register__feature-card,
    .page-register__step-card {
        padding: 20px;
        padding-top: 50px;
    }

    .page-register__step-card::before {
        font-size: 1rem;
        padding: 5px 10px;
        top: 10px;
    }

    .page-register__faq-question {
        font-size: 0.95rem;
        padding: 12px 15px;
    }

    .page-register__faq-answer {
        font-size: 0.85rem;
        padding: 0 15px 12px 15px;
    }
}