/* style/th-thao.css */

/* Biến CSS */
:root {
  --page-th-thao-primary-color: #FFD700; /* Vàng kim */
  --page-th-thao-secondary-color: #8B0000; /* Đỏ đô */
  --page-th-thao-text-dark: #333333;
  --page-th-thao-text-light: #ffffff;
  --page-th-thao-background-light: #f5f5f5;
  --page-th-thao-background-dark: #222222;
  --page-th-thao-border-color: #e0e0e0;
  --page-th-thao-spacing-unit: 20px;
}

.page-th-thao {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-th-thao-text-dark);
  background-color: var(--page-th-thao-background-light);
}

.page-th-thao__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-th-thao-spacing-unit);
}

.page-th-thao__section-title {
  font-size: 2.5em;
  color: var(--page-th-thao-secondary-color);
  text-align: center;
  margin-bottom: var(--page-th-thao-spacing-unit);
  font-weight: bold;
  text-transform: uppercase;
}

.page-th-thao__section-subtitle {
  font-size: 1.2em;
  color: var(--page-th-thao-text-dark);
  text-align: center;
  margin-bottom: calc(2 * var(--page-th-thao-spacing-unit));
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-th-thao__hero-section {
  background: linear-gradient(135deg, var(--page-th-thao-primary-color), var(--page-th-thao-secondary-color));
  color: var(--page-th-thao-text-light);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-th-thao__hero-title {
  font-size: 3.8em;
  margin-bottom: var(--page-th-thao-spacing-unit);
  font-weight: 900;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-th-thao__highlight {
  color: var(--page-th-thao-text-light);
}

.page-th-thao__hero-description {
  font-size: 1.5em;
  max-width: 900px;
  margin: 0 auto calc(2 * var(--page-th-thao-spacing-unit));
  font-weight: 300;
}

.page-th-thao__hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--page-th-thao-spacing-unit);
  flex-wrap: wrap;
}

.page-th-thao__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

.page-th-thao__btn--primary {
  background-color: var(--page-th-thao-primary-color);
  color: var(--page-th-thao-secondary-color);
  border-color: var(--page-th-thao-primary-color);
}

.page-th-thao__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-th-thao__btn--secondary {
  background-color: transparent;
  color: var(--page-th-thao-text-light);
  border-color: var(--page-th-thao-text-light);
}

.page-th-thao__btn--secondary:hover {
  background-color: var(--page-th-thao-text-light);
  color: var(--page-th-thao-secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-th-thao__btn--outline {
  background-color: transparent;
  color: var(--page-th-thao-secondary-color);
  border-color: var(--page-th-thao-secondary-color);
  padding: 10px 20px;
  font-size: 1em;
}

.page-th-thao__btn--outline:hover {
  background-color: var(--page-th-thao-secondary-color);
  color: var(--page-th-thao-text-light);
}

.page-th-thao__btn--small {
  padding: 8px 15px;
  font-size: 0.9em;
  border-radius: 25px;
  margin-top: var(--page-th-thao-spacing-unit) / 2;
}

.page-th-thao__btn--large {
  padding: 18px 35px;
  font-size: 1.2em;
}

/* General Section Styling */
.page-th-thao__intro-section, 
.page-th-thao__sports-categories, 
.page-th-thao__benefits-section, 
.page-th-thao__how-to-join, 
.page-th-thao__promotions-section, 
.page-th-thao__expert-tips-section, 
.page-th-thao__faq-section, 
.page-th-thao__cta-final-section {
  padding: calc(3 * var(--page-th-thao-spacing-unit)) 0;
}

.page-th-thao__intro-section {
  background-color: var(--page-th-thao-background-light);
}

.page-th-thao__grid-layout {
  display: flex;
  align-items: center;
  gap: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__grid-layout--reverse {
  flex-direction: row-reverse;
}

.page-th-thao__text-content {
  flex: 1;
}

.page-th-thao__image-content {
  flex: 1;
  text-align: center;
}

.page-th-thao__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Sports Categories */
.page-th-thao__sports-categories {
  background-color: var(--page-th-thao-background-dark);
  color: var(--page-th-thao-text-light);
}

.page-th-thao__sports-categories .page-th-thao__section-title {
  color: var(--page-th-thao-primary-color);
}

.page-th-thao__sports-categories .page-th-thao__section-subtitle {
  color: var(--page-th-thao-text-light);
}

.page-th-thao__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(1.5 * var(--page-th-thao-spacing-unit));
  margin-top: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__category-card {
  background-color: #333333;
  padding: calc(1.5 * var(--page-th-thao-spacing-unit));
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, background-color 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-th-thao__category-card:hover {
  transform: translateY(-5px);
  background-color: #444444;
}

.page-th-thao__card-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--page-th-thao-spacing-unit);
  object-fit: contain;
}

.page-th-thao__card-title {
  font-size: 1.5em;
  color: var(--page-th-thao-primary-color);
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  font-weight: bold;
}

.page-th-thao__card-description {
  font-size: 0.95em;
  color: #cccccc;
  margin-bottom: var(--page-th-thao-spacing-unit);
  flex-grow: 1;
}

.page-th-thao__card-link {
  color: var(--page-th-thao-primary-color);
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid var(--page-th-thao-primary-color);
  padding-bottom: 5px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-th-thao__card-link:hover {
  color: #e6c200;
  border-color: #e6c200;
}

/* Benefits Section */
.page-th-thao__benefits-section {
  background-color: var(--page-th-thao-background-light);
}

.page-th-thao__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(1.5 * var(--page-th-thao-spacing-unit));
  margin-top: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__benefit-item {
  background-color: var(--page-th-thao-text-light);
  padding: calc(1.5 * var(--page-th-thao-spacing-unit));
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-th-thao__benefit-item:hover {
  transform: translateY(-5px);
}

.page-th-thao__benefit-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--page-th-thao-spacing-unit);
  object-fit: contain;
}

.page-th-thao__benefit-title {
  font-size: 1.4em;
  color: var(--page-th-thao-secondary-color);
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  font-weight: bold;
}

/* How To Join Section */
.page-th-thao__how-to-join {
  background-color: var(--page-th-thao-background-dark);
  color: var(--page-th-thao-text-light);
}

.page-th-thao__how-to-join .page-th-thao__section-title {
  color: var(--page-th-thao-primary-color);
}

.page-th-thao__how-to-join .page-th-thao__section-subtitle {
  color: var(--page-th-thao-text-light);
}

.page-th-thao__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(2 * var(--page-th-thao-spacing-unit));
  margin-top: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__step-item {
  background-color: #333333;
  padding: calc(1.5 * var(--page-th-thao-spacing-unit));
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  position: relative;
  padding-top: calc(3 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__step-number {
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--page-th-thao-primary-color);
  color: var(--page-th-thao-secondary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8em;
  font-weight: bold;
  border: 3px solid #1a1a1a;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-th-thao__step-title {
  font-size: 1.5em;
  color: var(--page-th-thao-primary-color);
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  font-weight: bold;
}

.page-th-thao__step-item p {
  color: #cccccc;
  font-size: 0.95em;
  margin-bottom: var(--page-th-thao-spacing-unit);
}

/* Promotions Section */
.page-th-thao__promotions-section {
  background-color: var(--page-th-thao-background-light);
}

.page-th-thao__promo-list {
  list-style: none;
  padding: 0;
  margin-top: var(--page-th-thao-spacing-unit);
}

.page-th-thao__promo-list li {
  display: flex;
  align-items: center;
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  font-size: 1.1em;
  color: var(--page-th-thao-text-dark);
}

.page-th-thao__list-icon {
  width: 30px;
  height: 30px;
  margin-right: var(--page-th-thao-spacing-unit) / 2;
  object-fit: contain;
}

/* Expert Tips Section */
.page-th-thao__expert-tips-section {
  background-color: var(--page-th-thao-background-dark);
  color: var(--page-th-thao-text-light);
}

.page-th-thao__expert-tips-section .page-th-thao__section-title {
  color: var(--page-th-thao-primary-color);
}

.page-th-thao__expert-tips-section .page-th-thao__section-subtitle {
  color: var(--page-th-thao-text-light);
}

.page-th-thao__tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(1.5 * var(--page-th-thao-spacing-unit));
  margin-top: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__tip-item {
  background-color: #333333;
  padding: calc(1.5 * var(--page-th-thao-spacing-unit));
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease;
}

.page-th-thao__tip-item:hover {
  transform: translateY(-5px);
}

.page-th-thao__tip-icon {
  width: 70px;
  height: 70px;
  margin-bottom: var(--page-th-thao-spacing-unit);
  object-fit: contain;
}

.page-th-thao__tip-title {
  font-size: 1.4em;
  color: var(--page-th-thao-primary-color);
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  font-weight: bold;
}

.page-th-thao__tip-item p {
  color: #cccccc;
  font-size: 0.95em;
}

/* FAQ Section */
.page-th-thao__faq-section {
  background-color: var(--page-th-thao-background-light);
}

.page-th-thao__accordion {
  margin-top: calc(2 * var(--page-th-thao-spacing-unit));
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-th-thao__accordion-item {
  border: 1px solid var(--page-th-thao-border-color);
  border-radius: 8px;
  margin-bottom: var(--page-th-thao-spacing-unit) / 2;
  overflow: hidden;
}

.page-th-thao__accordion-header {
  background-color: var(--page-th-thao-secondary-color);
  color: var(--page-th-thao-text-light);
  padding: var(--page-th-thao-spacing-unit);
  width: 100%;
  text-align: left;
  border: none;
  outline: none;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.page-th-thao__accordion-header:hover {
  background-color: #a01010;
}

.page-th-thao__accordion-header::after {
  content: '+';
  font-size: 1.5em;
  transition: transform 0.3s ease;
}

.page-th-thao__accordion-header.active::after {
  content: '-';
  transform: rotate(180deg);
}

.page-th-thao__accordion-content {
  padding: 0 var(--page-th-thao-spacing-unit);
  background-color: var(--page-th-thao-text-light);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-th-thao__accordion-content p {
  margin-top: var(--page-th-thao-spacing-unit);
  margin-bottom: var(--page-th-thao-spacing-unit);
  color: var(--page-th-thao-text-dark);
}

.page-th-thao__accordion-content .page-th-thao__btn {
  margin-bottom: var(--page-th-thao-spacing-unit);
}

/* Final CTA Section */
.page-th-thao__cta-final-section {
  background: linear-gradient(135deg, var(--page-th-thao-secondary-color), var(--page-th-thao-primary-color));
  color: var(--page-th-thao-text-light);
  text-align: center;
  padding: 80px 0;
}

.page-th-thao__cta-final-section .page-th-thao__section-title {
  color: var(--page-th-thao-text-light);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.page-th-thao__cta-final-section .page-th-thao__section-subtitle {
  color: var(--page-th-thao-text-light);
  margin-bottom: calc(2 * var(--page-th-thao-spacing-unit));
}

.page-th-thao__cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--page-th-thao-spacing-unit);
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-th-thao__hero-title {
    font-size: 3em;
  }
  .page-th-thao__hero-description {
    font-size: 1.2em;
  }
  .page-th-thao__section-title {
    font-size: 2em;
  }
  .page-th-thao__grid-layout {
    flex-direction: column;
  }
  .page-th-thao__grid-layout--reverse {
    flex-direction: column;
  }
  .page-th-thao__text-content, .page-th-thao__image-content {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-th-thao__hero-title {
    font-size: 2.5em;
  }
  .page-th-thao__hero-description {
    font-size: 1em;
  }
  .page-th-thao__btn--large {
    padding: 15px 25px;
    font-size: 1.1em;
  }
  .page-th-thao__hero-cta, .page-th-thao__cta-buttons {
    flex-direction: column;
    gap: calc(var(--page-th-thao-spacing-unit) / 2);
  }
  .page-th-thao__btn {
    width: 100%;
    max-width: 300px;
  }
  .page-th-thao__category-grid, .page-th-thao__benefits-grid, .page-th-thao__steps-grid, .page-th-thao__tips-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .page-th-thao__hero-title {
    font-size: 2em;
  }
  .page-th-thao__section-title {
    font-size: 1.8em;
  }
  .page-th-thao__btn {
    font-size: 0.9em;
    padding: 12px 20px;
  }
  .page-th-thao__hero-section, .page-th-thao__cta-final-section {
    padding: 60px 0;
  }
}