/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --dark-background: #0a0a0a;
  --light-text: #ffffff;
  --dark-text: #333333;
  --button-login-color: #EA7C07;
}

.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--light-text); /* Mặc định chữ sáng trên nền tối của body */
  background-color: transparent; /* Body đã có màu nền */
}

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

/* Hero Section */
.page-support__hero-section {
  position: relative;
  width: 100%;
  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 */
  background-color: var(--dark-background);
  overflow: hidden;
}

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

.page-support__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4); /* Làm tối ảnh nền để chữ dễ đọc */
}

.page-support__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: var(--light-text);
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--secondary-color);
}

.page-support__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
}

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

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

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

.page-support__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-support__btn-small {
  padding: 8px 18px;
  font-size: 0.9em;
}

/* Section Titles */
.page-support__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.page-support__section-description {
  text-align: center;
  font-size: 1.05em;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #cccccc;
}

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

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

.page-support__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-support__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1em;
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

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

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

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

.page-support__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: #cccccc;
}

.page-support__faq-answer p {
  margin: 0;
}

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

.page-support__guides-section .page-support__section-title,
.page-support__guides-section .page-support__section-description {
  color: var(--dark-text);
}

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

.page-support__card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  padding-bottom: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--dark-text);
}

.page-support__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-support__card-title {
  font-size: 1.4em;
  font-weight: 600;
  margin: 0 20px 15px;
  color: var(--primary-color);
}

.page-support__card-text {
  font-size: 0.95em;
  margin: 0 20px 25px;
  flex-grow: 1;
  color: #555555;
}

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

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

.page-support__contact-item {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-support__contact-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-support__contact-title {
  font-size: 1.3em;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--secondary-color);
}

.page-support__contact-text {
  font-size: 0.95em;
  margin-bottom: 25px;
  color: #cccccc;
}

/* Policies Section */
.page-support__policies-section {
  background-color: #f5f5f5;
  padding: 60px 0;
  color: var(--dark-text);
}

.page-support__policies-section .page-support__section-title,
.page-support__policies-section .page-support__section-description {
  color: var(--dark-text);
}

.page-support__policy-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 0;
  max-width: 800px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.page-support__policy-item a {
  display: block;
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 15px 20px;
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
}

.page-support__policy-item a:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  border-color: var(--primary-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    padding: 0 15px;
  }

  .page-support__guide-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-support__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body handles --header-offset */
  }

  .page-support__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

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

  .page-support__btn-primary,
  .page-support__btn-secondary,
  .page-support a[class*="button"],
  .page-support 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-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-support__cta-buttons {
    flex-direction: column;
  }

  .page-support__section-title {
    font-size: clamp(1.5em, 5vw, 2em);
  }

  .page-support__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-support__faq-section,
  .page-support__guides-section,
  .page-support__contact-section,
  .page-support__policies-section {
    padding: 40px 0;
  }

  .page-support__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-support__faq-answer {
    padding: 0 20px 15px;
  }

  .page-support__card {
    padding-bottom: 20px;
  }

  .page-support__card-image {
    height: 180px;
  }

  .page-support__card-title {
    font-size: 1.2em;
  }

  .page-support__card-text {
    font-size: 0.9em;
  }

  .page-support__contact-methods {
    grid-template-columns: 1fr;
  }

  .page-support__contact-item {
    padding: 25px;
  }

  .page-support__policy-list {
    grid-template-columns: 1fr;
    padding: 0 15px;
  }

  .page-support img,
  .page-support video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-support__video-section {
    padding-top: 10px !important;
  }
}