/* Biến màu */
:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-color: #C30808;
    --login-color: #C30808;
    --background-color: #FFFFFF;
    --register-login-font-color: #FFFF00;
    --text-dark: #333333;
    --text-light: #ffffff;
    --border-light: #e0e0e0;
    --hover-light: #f5f5f5;
}

.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background-color: var(--background-color); /* Body background is white */
}

/* Cấu trúc chung */
.page-support__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-support__section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-support__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-support__text-block {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    color: var(--text-light);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-support__hero-image {
    width: 100%;
    max-height: 600px;
    overflow: hidden;
    margin-bottom: 30px;
    border-radius: 10px;
}

.page-support__hero-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover; /* Default cover for desktop */
    object-position: center;
}

.page-support__hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.page-support__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.page-support__description {
    font-size: 1.25em;
    margin-bottom: 30px;
    color: var(--secondary-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow long words to break */
    max-width: 100%;
    box-sizing: border-box;
}

.page-support__btn-primary {
    background-color: var(--register-color); /* #C30808 */
    color: var(--register-login-font-color); /* #FFFF00 */
    border: 2px solid var(--register-color);
}

.page-support__btn-primary:hover {
    background-color: darken(var(--register-color), 10%);
    border-color: darken(var(--register-color), 10%);
    transform: translateY(-2px);
}

.page-support__btn-secondary {
    background-color: transparent;
    color: var(--register-color); /* #C30808 */
    border: 2px solid var(--register-color);
}

.page-support__btn-secondary:hover {
    background-color: var(--register-color);
    color: var(--register-login-font-color); /* #FFFF00 */
    transform: translateY(-2px);
}

/* Intro Section */
.page-support__intro-section {
    padding: 60px 0;
    background-color: var(--background-color);
    color: var(--text-dark);
}

/* Categories Section */
.page-support__categories-section {
    padding: 60px 0;
    background-color: var(--background-color);
    color: var(--text-dark);
}

.page-support__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.page-support__category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--secondary-color);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 25px;
    text-decoration: none;
    color: var(--text-dark);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.page-support__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

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

.page-support__card-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.page-support__category-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-dark);
}

/* FAQ Section */
.page-support__faq-section {
    padding: 60px 0;
    background-color: var(--background-color);
    color: var(--text-dark);
}

.page-support__faq-list {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  background: var(--secondary-color);
}
details.page-support__faq-item summary.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-support__faq-item summary.page-support__faq-question::-webkit-details-marker {
  display: none;
}
details.page-support__faq-item summary.page-support__faq-question:hover {
  background: var(--hover-light);
}
.page-support__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-dark);
}
.page-support__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-support__faq-item .page-support__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

/* Contact Section */
.page-support__contact-section {
    padding: 60px 0;
    background-color: var(--primary-color); /* Dark section */
    color: var(--text-light);
    text-align: center;
}

.page-support__contact-section .page-support__section-title {
    color: var(--text-light);
}

.page-support__contact-section .page-support__section-title::after {
    background: var(--text-light);
}

.page-support__contact-section .page-support__text-block {
    color: var(--text-light);
}

.page-support__contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    padding: 0 20px;
}

.page-support__contact-card {
    background: rgba(255, 255, 255, 0.1); /* Semi-transparent white for dark background */
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-support__contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.page-support__contact-card img {
    width: 100%;
    
    height: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1); /* Make icons white on dark background */
}

.page-support__contact-card .page-support__card-title {
    color: var(--text-light);
    margin-bottom: 15px;
}

.page-support__contact-card p {
    color: var(--text-light);
    margin-bottom: 25px;
}

/* Responsible Gaming Section */
.page-support__responsible-gaming-section {
    padding: 60px 0;
    background-color: var(--background-color);
    color: var(--text-dark);
    text-align: center;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .page-support__hero-section {
        padding-bottom: 40px;
    }
    .page-support__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }
    .page-support__description {
        font-size: 1.1em;
    }
    .page-support__btn-primary, .page-support__btn-secondary {
        padding: 12px 25px;
        font-size: 16px;
    }
    .page-support__section-title {
        font-size: 30px;
    }
    .page-support__text-block {
        font-size: 16px;
    }
    .page-support__categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-support__contact-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-support__container {
        padding: 15px;
    }
    .page-support__hero-section {
        padding-top: 10px; /* Small top padding for mobile */
        padding-bottom: 30px;
    }
    .page-support__hero-image img {
        object-fit: contain !important; /* Mobile: contain to prevent cropping */
        aspect-ratio: unset !important;
        height: auto !important; /* Ensure image scales */
        width: 100% !important;
    }
    .page-support__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 15px;
    }
    .page-support__description {
        font-size: 1em;
        margin-bottom: 20px;
    }
    .page-support__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        width: 100%;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 15px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }
    .page-support__section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    .page-support__text-block {
        font-size: 15px;
        padding: 0 10px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-support__categories-grid {
        grid-template-columns: 1fr; /* Single column for categories */
        padding: 0 15px;
    }
    .page-support__category-card {
        padding: 20px;
    }
    .page-support__category-card img {
        
    }
    .page-support__card-title {
        font-size: 20px;
    }
    details.page-support__faq-item summary.page-support__faq-question { padding: 15px; }
    .page-support__faq-qtext { font-size: 15px; }
    .page-support__faq-list {
        padding: 0 15px;
    }
    .page-support__contact-options {
        grid-template-columns: 1fr; /* Single column for contact options */
        padding: 0 15px;
    }
    .page-support__contact-card {
        padding: 25px;
    }
    .page-support__contact-card img {
        
    }
    .page-support__intro-section,
    .page-support__categories-section,
    .page-support__faq-section,
    .page-support__contact-section,
    .page-support__responsible-gaming-section {
        padding: 40px 0;
    }
    /* Global image responsiveness for content area */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }
    .page-support__section,
    .page-support__card,
    .page-support__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}