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

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --color-card-bg: #11271B;
  --color-bg-dark: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho nền tối */
  background-color: var(--color-bg-dark); /* nền tối */
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 60px; /* Nhỏ hơn để body xử lý padding-top */
  background-color: var(--color-bg-dark);
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  max-height: 700px; /* Giới hạn chiều cao */
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  filter: brightness(0.5); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-support__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền bán trong suốt cho nội dung */
  border-radius: 10px;
}

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

.page-support__intro-text {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  margin: 10px;
  box-sizing: border-box;
}

.page-support__btn-primary {
  background: var(--color-btn-gradient);
  color: #ffffff;
  border: none;
}

.page-support__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

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

.page-support__section {
  padding: 80px 20px;
  text-align: center;
}

.page-support__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-support__dark-bg {
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
}

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

.page-support__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 20px;
  font-weight: bold;
  color: inherit; /* Kế thừa từ section cha */
}

.page-support__section-description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 50px;
  color: inherit;
}

.page-support__why-choose .page-support__section-title,
.page-support__why-choose .page-support__section-description {
  color: #333333;
}

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

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

.page-support__why-choose .page-support__feature-item {
  background-color: #f8f8f8;
  color: #333333;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-support__feature-title,
.page-support__contact-title,
.page-support__security-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--color-primary);
}

.page-support__why-choose .page-support__feature-title {
  color: var(--color-primary);
}

.page-support__feature-text,
.page-support__contact-text,
.page-support__security-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.page-support__why-choose .page-support__feature-text {
  color: #555555;
}

.page-support__issue-card {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  overflow: hidden;
  color: var(--color-text-main);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-support__issue-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-support__issue-card-title {
  font-size: 1.4rem;
  margin: 0 20px 10px;
  color: var(--color-text-main);
}

.page-support__issue-card-text {
  font-size: 0.95rem;
  margin: 0 20px 15px;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.page-support__issue-list {
  list-style: none;
  padding: 0;
  margin: 0 20px 20px;
}

.page-support__issue-list li {
  margin-bottom: 8px;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 20px;
}

.page-support__issue-list li::before {
  content: '✔';
  color: var(--color-primary);
  position: absolute;
  left: 0;
  top: 0;
}

.page-support__issue-card .page-support__btn-secondary {
  margin: 0 20px 20px;
  align-self: flex-start;
  padding: 10px 20px;
  font-size: 0.9rem;
}

.page-support__faq-section {
  padding: 80px 20px;
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
}

.page-support__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
  text-align: left;
}

.page-support__faq-item {
  background-color: var(--color-card-bg);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--color-text-main);
  background-color: var(--color-deep-green);
}

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

.page-support__faq-item summary {
  list-style: none;
}

.page-support__faq-qtext {
  flex-grow: 1;
}

.page-support__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  color: var(--color-gold);
}

.page-support__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

.page-support__security-responsible .page-support__section-title,
.page-support__security-responsible .page-support__section-description {
  color: #333333;
}

.page-support__security-item {
  background-color: #f8f8f8;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  text-align: left;
  color: #333333;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-support__security-item .page-support__btn-secondary {
  align-self: flex-start;
  margin-top: 20px;
}

.page-support__cta-bottom {
  padding: 60px 20px;
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
}

.page-support__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    padding: 30px 15px;
  }

  .page-support__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-support__intro-text {
    font-size: 1rem;
  }

  .page-support__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }

  .page-support__section-description {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .page-support__hero-section {
    padding: 10px 15px 40px;
  }

  .page-support__hero-content {
    padding: 20px 10px;
  }

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

  .page-support__intro-text {
    font-size: 0.95rem;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 0.95rem;
    margin: 5px 0;
  }

  .page-support__cta-buttons {
    flex-direction: column;
    gap: 10px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-support__section {
    padding: 50px 0;
  }

  .page-support__container {
    padding: 0 15px;
  }

  .page-support__features-grid,
  .page-support__issues-grid,
  .page-support__contact-grid,
  .page-support__security-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .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;
  }

  .page-support__issue-card .page-support__btn-secondary {
    width: calc(100% - 40px) !important;
    margin-left: 20px;
    margin-right: 20px;
  }

  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

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

  .page-support__cta-bottom {
    padding: 40px 15px;
  }
}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
  }

  .page-support__intro-text {
    font-size: 0.9rem;
  }

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

  .page-support__section-description {
    font-size: 0.9rem;
  }
}