:root {
    --Primary: #11A84E;
    --Secondary: #22C768;
    --Button-Gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --Card-BG: #11271B;
    --Background: #08160F;
    --Text-Main: #F2FFF6;
    --Text-Secondary: #A7D9B8;
    --Border: #2E7A4E;
    --Glow: #57E38D;
    --Gold: #F2C14E;
    --Divider: #1E3A2A;
    --Deep-Green: #0A4B2C;
}

.page-ththao {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--Text-Main); /* Light text on dark body background */
    background-color: var(--Background);
}

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

.page-ththao__hero-image-wrapper {
    width: 100%;
    max-height: 700px; /* Limit height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.page-ththao__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.page-ththao__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
    margin-top: -150px; /* Overlap slightly with image for visual flow */
    background: rgba(17, 39, 27, 0.85); /* Card-BG with some transparency */
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--Border);
}

.page-ththao__main-title {
    font-size: clamp(2em, 5vw, 3.2em); /* Responsive H1 font size */
    color: var(--Gold);
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-ththao__description {
    font-size: 1.1em;
    color: var(--Text-Secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-ththao__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.page-ththao__btn-primary,
.page-ththao__btn-secondary,
.page-ththao__btn-text {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-ththao__btn-primary {
    background: var(--Button-Gradient);
    color: #FFFFFF; /* White text on green gradient */
    border: none;
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-ththao__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

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

.page-ththao__btn-secondary:hover {
    background-color: var(--Secondary);
    color: var(--Background);
    transform: translateY(-2px);
}

.page-ththao__btn-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
    margin-top: 40px;
}

.page-ththao__btn-text {
    padding: 8px 15px;
    background-color: var(--Deep-Green);
    color: var(--Text-Main);
    font-size: 0.9em;
    border: 1px solid var(--Border);
    border-radius: 5px;
    margin-top: 15px;
}

.page-ththao__btn-text:hover {
    background-color: var(--Primary);
    color: #FFFFFF;
}

.page-ththao__section {
    padding: 60px 20px;
    background-color: var(--Background);
    border-bottom: 1px solid var(--Divider);
}

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

.page-ththao__section-title {
    font-size: clamp(1.8em, 4vw, 2.5em);
    color: var(--Text-Main);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.3;
    text-shadow: 0 0 5px rgba(242, 193, 78, 0.3);
}

.page-ththao__text-block {
    font-size: 1em;
    color: var(--Text-Secondary);
    margin-bottom: 25px;
    text-align: justify;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-ththao__image-container {
    text-align: center;
    margin: 30px 0;
}

.page-ththao__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--Border);
}

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

.page-ththao__card {
    background-color: var(--Card-BG);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--Border);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: var(--Text-Main);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-ththao__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px var(--Glow);
}

.page-ththao__card-title {
    font-size: 1.4em;
    color: var(--Primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-ththao__card-text {
    font-size: 0.95em;
    color: var(--Text-Secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-ththao__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-ththao__benefit-item {
    background-color: var(--Card-BG);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--Border);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-ththao__benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px var(--Glow);
}

.page-ththao__benefit-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-ththao__benefit-title {
    font-size: 1.3em;
    color: var(--Primary);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-ththao__benefit-text {
    font-size: 0.95em;
    color: var(--Text-Secondary);
}

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

.page-ththao__guide-step {
    background-color: var(--Card-BG);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--Border);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-ththao__step-number {
    background: var(--Button-Gradient);
    color: #FFFFFF;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(42, 209, 111, 0.4);
}

.page-ththao__step-title {
    font-size: 1.3em;
    color: var(--Primary);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-ththao__step-text {
    font-size: 0.95em;
    color: var(--Text-Secondary);
}

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

.page-ththao__promo-card {
    background-color: var(--Card-BG);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--Border);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-ththao__promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px var(--Glow);
}

.page-ththao__promo-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.page-ththao__promo-title {
    font-size: 1.4em;
    color: var(--Primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-ththao__promo-text {
    font-size: 0.95em;
    color: var(--Text-Secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

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

.page-ththao__faq-item {
    background-color: var(--Card-BG);
    border: 1px solid var(--Border);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-ththao__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--Text-Main);
    background-color: var(--Deep-Green);
    border-bottom: 1px solid var(--Divider);
}

.page-ththao__faq-question:hover {
    background-color: var(--Primary);
}

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

.page-ththao__faq-question::marker {
    display: none;
}

.page-ththao__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

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

.page-ththao__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    color: var(--Text-Secondary);
    background-color: var(--Card-BG);
}

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

.page-ththao__conclusion {
    text-align: center;
    padding-bottom: 80px;
}

.page-ththao__cta-buttons--bottom {
    margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-ththao__hero-content {
        margin-top: -100px;
        padding: 15px;
    }

    .page-ththao__main-title {
        font-size: clamp(1.8em, 4.5vw, 2.8em);
    }

    .page-ththao__description {
        font-size: 1em;
    }

    .page-ththao__section-title {
        font-size: clamp(1.6em, 3.5vw, 2.2em);
    }
}

@media (max-width: 768px) {
    .page-ththao__hero-content {
        margin-top: -50px;
        padding: 15px;
        border-radius: 10px;
    }

    .page-ththao__main-title {
        font-size: clamp(1.5em, 6vw, 2.5em);
    }

    .page-ththao__description {
        font-size: 0.95em;
    }

    .page-ththao__section {
        padding: 40px 15px;
    }

    .page-ththao__container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-ththao__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-ththao__btn-primary,
    .page-ththao__btn-secondary,
    .page-ththao a[class*="button"],
    .page-ththao 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;
        padding-right: 15px;
    }

    .page-ththao__cta-buttons,
    .page-ththao__button-group,
    .page-ththao__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        flex-wrap: wrap !important;
        gap: 15px;
    }

    .page-ththao__image,
    .page-ththao__hero-image,
    .page-ththao__promo-image,
    .page-ththao__benefit-icon {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-ththao__image-container,
    .page-ththao__hero-image-wrapper,
    .page-ththao__promo-card,
    .page-ththao__card,
    .page-ththao__benefit-item,
    .page-ththao__guide-step,
    .page-ththao__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        overflow: hidden !important; /* Ensure content does not overflow */
    }
    
    .page-ththao__promo-image {
        height: 180px;
    }

    .page-ththao__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }

    .page-ththao__faq-answer {
        padding: 15px 20px;
        font-size: 0.95em;
    }
}

@media (max-width: 480px) {
    .page-ththao__hero-content {
        margin-top: -30px;
        padding: 10px;
    }

    .page-ththao__main-title {
        font-size: clamp(1.2em, 7vw, 2em);
    }

    .page-ththao__description {
        font-size: 0.9em;
    }

    .page-ththao__section-title {
        font-size: clamp(1.4em, 5vw, 1.8em);
    }

    .page-ththao__card,
    .page-ththao__benefit-item,
    .page-ththao__guide-step,
    .page-ththao__promo-card {
        padding: 20px;
    }

    .page-ththao__promo-image {
        height: 150px;
    }

    .page-ththao__step-number {
        width: 40px;
        height: 40px;
        font-size: 1.5em;
    }
}