/* Biến màu sắc */
:root {
  --debet88-primary-red: #C91F17;
  --debet88-secondary-red: #E53935;
  --debet88-button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --debet88-card-bg: #D32F2F;
  --debet88-background: #B71C1C;
  --debet88-text-main: #FFF5E1;
  --debet88-border: #F2B544;
  --debet88-glow: #FFCC66;
  --debet88-gold: #F4D34D;
  --debet88-deep-red: #7A0E0E;
}

/* Cấu trúc chung cho trang hỗ trợ */
.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--debet88-text-main); /* Text main for dark body background */
  background-color: var(--debet88-background); /* Body background from shared.css is #B71C1C (dark) */
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-support__section {
  padding: 40px 0;
}

.page-support__section-title {
  font-size: clamp(28px, 4vw, 38px);
  color: var(--debet88-gold);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-support__section-description {
  font-size: 18px;
  color: var(--debet88-text-main);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
}

.page-support__section-description--bottom {
  margin-top: 30px;
  margin-bottom: 0;
}

/* Hero Section */
.page-support__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  background-color: var(--debet88-primary-red);
  position: relative;
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

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

.page-support__hero-content {
  text-align: center;
  max-width: 900px;
  padding: 0 15px;
  position: relative;
  z-index: 1;
}

.page-support__main-title {
  font-size: clamp(36px, 5vw, 56px);
  color: var(--debet88-gold);
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.1;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-support__hero-description {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--debet88-text-main);
  margin-bottom: 40px;
}

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

.page-support__cta-buttons--inline {
  margin-top: 20px;
  margin-bottom: 10px;
  justify-content: flex-start;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background: var(--debet88-button-gradient);
  color: #333333; /* Dark text for light gradient button */
  border: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-support__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--debet88-gold);
  border: 2px solid var(--debet88-gold);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-support__btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Quick Guide Section */
.page-support__quick-guide {
  background-color: var(--debet88-deep-red);
  padding: 60px 0;
}

.page-support__guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.page-support__guide-item {
  background: var(--debet88-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  color: var(--debet88-text-main);
}

.page-support__guide-heading {
  font-size: 24px;
  color: var(--debet88-gold);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-support__guide-text {
  font-size: 16px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__guide-link {
  color: var(--debet88-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  align-self: flex-start;
  transition: color 0.3s ease;
}

.page-support__guide-link:hover {
  text-decoration: underline;
  color: var(--debet88-glow);
}

/* FAQ Section */
.page-support__faq-section {
  padding: 60px 0;
  background-color: var(--debet88-background);
}

details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--debet88-border);
  overflow: hidden;
  background: var(--debet88-card-bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

details.page-support__faq-item summary.page-support__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;
  color: var(--debet88-text-main);
}

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: rgba(255, 255, 255, 0.08);
}

.page-support__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--debet88-gold);
}

.page-support__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--debet88-gold);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-support__faq-item .page-support__faq-answer {
  padding: 0 25px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 0 8px 8px;
  color: var(--debet88-text-main);
}

.page-support__faq-answer p {
  margin-bottom: 0;
  font-size: 16px;
}

/* Contact Section */
.page-support__contact-section {
  background-color: var(--debet88-deep-red);
  padding: 60px 0;
}

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

.page-support__contact-card {
  background: var(--debet88-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__contact-card img {
  width: 100%;
  max-width: 200px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  border-radius: 5px;
}

.page-support__contact-heading {
  font-size: 24px;
  color: var(--debet88-gold);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-support__contact-text {
  font-size: 16px;
  color: var(--debet88-text-main);
  margin-bottom: 25px;
  flex-grow: 1;
}

/* Responsible Gaming Section */
.page-support__responsible-gaming-section {
  padding: 60px 0;
  background-color: var(--debet88-background);
}

.page-support__content-area {
  max-width: 900px;
  margin: 0 auto;
  text-align: justify;
  color: var(--debet88-text-main);
  font-size: 16px;
}

.page-support__content-area p {
  margin-bottom: 20px;
}

.page-support__content-area .page-support__btn-secondary {
  margin-top: 30px;
  display: block;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

/* Why Choose Us Section */
.page-support__why-choose-us {
  padding: 60px 0;
  background-color: var(--debet88-deep-red);
}

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

.page-support__why-item {
  background: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--debet88-text-main);
}

.page-support__why-heading {
  font-size: 22px;
  color: var(--debet88-gold);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-support__why-text {
  font-size: 15px;
}

.page-support__support-image {
  margin-top: 50px;
  text-align: center;
}

.page-support__support-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Responsive Styles */

/* Desktop/Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .page-support__container {
    padding: 20px 25px;
  }

  .page-support__main-title {
    font-size: clamp(32px, 4.5vw, 50px);
  }

  .page-support__hero-description {
    font-size: clamp(16px, 2vw, 20px);
  }

  .page-support__section-title {
    font-size: clamp(24px, 3.5vw, 34px);
  }

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

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

  .page-support__why-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .page-support__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-support__section {
    padding: 30px 0;
  }

  .page-support__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }

  .page-support__hero-image img {
    object-fit: contain !important; /* HERO 主图区域 */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-support__main-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 15px;
  }

  .page-support__hero-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__cta-buttons--inline {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 0;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    padding: 12px 20px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-support__guide-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-support__guide-heading {
    font-size: 20px;
  }

  .page-support__guide-text {
    font-size: 15px;
  }

  .page-support__faq-section {
    padding: 30px 0;
  }

  details.page-support__faq-item summary.page-support__faq-question {
    padding: 15px 20px;
  }

  .page-support__faq-qtext {
    font-size: 16px;
  }

  .page-support__faq-toggle {
    font-size: 24px;
    width: 24px;
    margin-left: 10px;
  }

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

  .page-support__faq-answer p {
    font-size: 15px;
  }

  .page-support__contact-methods {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-support__contact-heading {
    font-size: 20px;
  }

  .page-support__contact-text {
    font-size: 15px;
  }

  .page-support__responsible-gaming-section {
    padding: 30px 0;
  }

  .page-support__content-area {
    font-size: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-support__content-area .page-support__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__why-choose-us {
    padding: 30px 0;
  }

  .page-support__why-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__why-item {
    padding: 20px;
  }

  .page-support__why-heading {
    font-size: 20px;
  }

  .page-support__why-text {
    font-size: 15px;
  }

  .page-support__support-image img,
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-support__section-title,
  .page-support__section-description {
    padding-left: 15px;
    padding-right: 15px;
  }

  /* General image and container rules for mobile */
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__guide-item,
  .page-support__contact-card,
  .page-support__why-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* padding-left: 15px; padding-right: 15px; handled by .page-support__container */
  }
}

/* Mobile (max-width: 480px) further adjustments */
@media (max-width: 480px) {
  .page-support__main-title {
    font-size: clamp(24px, 7vw, 36px);
  }

  .page-support__section-title {
    font-size: clamp(22px, 6vw, 30px);
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    font-size: 15px;
    padding: 10px 15px;
  }
}