/* style/ththao.css */
:root {
    --primary-color: #FF8C1A;
    --secondary-color: #FFA53A;
    --card-bg: #17191F;
    --page-bg: #0D0E12;
    --text-main: #FFF3E6;
    --border-color: #A84F0C;
    --glow-color: #FFB04D;
    --deep-orange: #D96800;
}

.page-ththao {
    font-family: 'Arial', sans-serif;
    color: var(--text-main);
    background-color: var(--page-bg);
    line-height: 1.6;
    font-size: 16px;
}

.page-ththao__section {
    padding: 60px 0;
    position: relative;
}

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

.page-ththao__section-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 0 10px rgba(255, 165, 58, 0.5);
}

.page-ththao__text-block {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
    color: var(--text-main);
}

.page-ththao__text-block strong {
    color: var(--secondary-color);
}

/* Hero Section */
.page-ththao__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    overflow: hidden;
    background-color: var(--page-bg);
}

.page-ththao__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.page-ththao__hero-image {
    width: 100%;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-ththao__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: cover;
    min-height: 200px;
}

.page-ththao__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    color: var(--text-main);
}

.page-ththao__main-title {
    font-size: 52px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(255, 140, 26, 0.7);
    max-width: 800px; /* Constraint for large titles */
    margin-left: auto;
    margin-right: auto;
}

.page-ththao__hero-description {
    font-size: 20px;
    color: var(--text-main);
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-ththao__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-ththao__cta-button {
    display: inline-block;
    padding: 18px 45px;
    border-radius: 30px;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.page-ththao__btn-primary {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange) 100%);
    color: #ffffff;
    border: 2px solid var(--primary-color);
}

.page-ththao__btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 165, 58, 0.6);
    border-color: var(--glow-color);
}

.page-ththao__btn-secondary {
    background: #ffffff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-ththao__btn-secondary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 140, 26, 0.4);
    background: var(--primary-color);
    color: #ffffff;
}

/* General Introduction Section */
.page-ththao__introduction-section {
    background-color: var(--page-bg);
}

/* Sports Overview Section */
.page-ththao__sports-overview-section {
    background-color: var(--card-bg);
}

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

.page-ththao__grid--3-cols {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-ththao__grid--2-cols {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.page-ththao__card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--text-main);
}

.page-ththao__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(255, 165, 58, 0.5);
}

.page-ththao__card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    min-height: 200px;
}

.page-ththao__card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-ththao__card-description {
    font-size: 16px;
    color: var(--text-main);
    flex-grow: 1;
}

/* Features Section */
.page-ththao__features-section {
    background-color: var(--page-bg);
}

.page-ththao__feature-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.page-ththao__feature-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    color: var(--text-main);
}

.page-ththao__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(255, 165, 58, 0.4);
}

.page-ththao__feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.page-ththao__feature-item p {
    font-size: 16px;
    color: var(--text-main);
}

/* Guide Section */
.page-ththao__guide-section {
    background-color: var(--card-bg);
}

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

.page-ththao__step-card {
    background: var(--page-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-ththao__step-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-ththao__step-card p {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 20px;
}

.page-ththao__small-btn {
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 25px;
    margin-top: auto;
}

/* Promotions Section */
.page-ththao__promotions-section {
    background-color: var(--page-bg);
}

.page-ththao__btn-container {
    text-align: center;
    margin-top: 50px;
}

/* Security and Support Section */
.page-ththao__security-support-section {
    background-color: var(--card-bg);
}

.page-ththao__info-card {
    background: var(--page-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    color: var(--text-main);
}

.page-ththao__info-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* FAQ Section */
.page-ththao__faq-section {
    background-color: var(--page-bg);
}

.page-ththao__faq-list {
    margin-top: 40px;
}

details.page-ththao__faq-item {
    margin-bottom: 15px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg);
    color: var(--text-main);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

details.page-ththao__faq-item summary.page-ththao__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}

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

details.page-ththao__faq-item summary.page-ththao__faq-question:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
}

.page-ththao__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-main);
}

.page-ththao__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 30px;
    text-align: center;
}

details.page-ththao__faq-item .page-ththao__faq-answer {
    padding: 0 25px 25px;
    background: rgba(var(--page-bg-rgb), 0.5);
    border-radius: 0 0 12px 12px;
    font-size: 16px;
    color: var(--text-main);
}

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

/* Conclusion Section */
.page-ththao__conclusion-section {
    background-color: var(--card-bg);
    text-align: center;
}

.page-ththao__conclusion-section .page-ththao__text-block {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-ththao__main-title {
        font-size: 44px;
    }
    .page-ththao__hero-description {
        font-size: 18px;
    }
    .page-ththao__cta-button {
        padding: 15px 35px;
        font-size: 18px;
    }
    .page-ththao__section-title {
        font-size: 32px;
    }
    .page-ththao__text-block {
        font-size: 16px;
    }
    .page-ththao__card-image {
        height: 220px;
    }
    .page-ththao__card-title {
        font-size: 22px;
    }
    .page-ththao__feature-title {
        font-size: 20px;
    }
    .page-ththao__info-title {
        font-size: 20px;
    }
    .page-ththao__faq-qtext {
        font-size: 17px;
    }
}

@media (max-width: 768px) {
    .page-ththao {
        font-size: 15px;
    }
    .page-ththao__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-ththao__main-title {
        font-size: 36px;
        margin-bottom: 15px;
    }
    .page-ththao__hero-description {
        font-size: 16px;
        margin-bottom: 25px;
    }
    .page-ththao__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-ththao__cta-button {
        padding: 14px 25px;
        font-size: 16px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-ththao__section {
        padding: 40px 0;
    }
    .page-ththao__section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    .page-ththao__text-block {
        font-size: 15px;
    }
    .page-ththao__grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .page-ththao__grid--3-cols, .page-ththao__grid--2-cols {
        grid-template-columns: 1fr;
    }
    .page-ththao__card {
        padding: 20px;
    }
    .page-ththao__card-image {
        height: 200px;
        min-height: 200px;
    }
    .page-ththao__card-title {
        font-size: 20px;
    }
    .page-ththao__feature-list, .page-ththao__guide-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-ththao__feature-item, .page-ththao__step-card, .page-ththao__info-card {
        padding: 25px;
    }
    .page-ththao__feature-title, .page-ththao__step-title, .page-ththao__info-title {
        font-size: 18px;
    }
    details.page-ththao__faq-item summary.page-ththao__faq-question {
        padding: 15px 20px;
    }
    .page-ththao__faq-qtext {
        font-size: 16px;
    }
    .page-ththao__faq-toggle {
        font-size: 24px;
        width: 25px;
    }
    details.page-ththao__faq-item .page-ththao__faq-answer {
        padding: 0 20px 20px;
    }
    .page-ththao img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-ththao__section,
    .page-ththao__card,
    .page-ththao__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-ththao__btn-container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 480px) {
    .page-ththao__main-title {
        font-size: 30px;
    }
    .page-ththao__section-title {
        font-size: 24px;
    }
    .page-ththao__cta-button {
        font-size: 15px;
        padding: 12px 20px;
    }
    .page-ththao__card-title {
        font-size: 18px;
    }
    .page-ththao__feature-title, .page-ththao__step-title, .page-ththao__info-title {
        font-size: 17px;
    }
    .page-ththao__faq-qtext {
        font-size: 15px;
    }
    .page-ththao__faq-toggle {
        font-size: 22px;
    }
}