/* ===== support.css - Trung tâm trợ giúp VWIN ===== */
/* BEM: .page-support__element */

/* --- Hero --- */
.page-support__hero-section {
  padding: 10px 0 0 0;
  background: #F5F7FA;
}

.page-support__hero-image {
  display: block;
  width: 100%;
  max-width: 1200px;
  height: auto;
  aspect-ratio: 17/5;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 12px;
}

.page-support__hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
  text-align: center;
}

.page-support__hero-title {
  color: #333333;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto 12px;
}

.page-support__hero-description {
  color: #555555;
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto 20px;
}

.page-support__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(229, 57, 53, 0.3);
}

.page-support__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.4);
}

.page-support__button--secondary {
  background: #FFFFFF;
  color: #E53935;
  border: 2px solid #E53935;
  box-shadow: none;
}

/* --- Container --- */
.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 16px;
}

/* --- Section Title --- */
.page-support__section-title {
  color: #333333;
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin: 0 0 8px;
}

.page-support__section-subtitle {
  color: #666666;
  font-size: 1rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

/* --- FAQ --- */
.page-support__faq-section {
  background: #FFFFFF;
}

.page-support__faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.page-support__faq-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-support__faq-item[open] {
  border-color: #E53935;
  box-shadow: 0 2px 12px rgba(229, 57, 53, 0.08);
}

.page-support__faq-question {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: #333333;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s ease;
}

.page-support__faq-question:hover {
  color: #E53935;
}

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

.page-support__faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #F5F7FA;
  border-radius: 50%;
  font-weight: 700;
  color: #E53935;
  margin-left: 12px;
}

.page-support__faq-answer {
  padding: 0 20px 16px;
  color: #555555;
  line-height: 1.6;
  font-size: 0.95rem;
}

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

/* --- Guide --- */
.page-support__guide-section {
  background: #F5F7FA;
}

.page-support__guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.page-support__guide-item {
  background: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #E0E0E0;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-support__guide-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.page-support__guide-figure {
  margin: 0;
}

.page-support__guide-image {
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: cover;
  display: block;
}

.page-support__guide-content {
  padding: 16px;
}

.page-support__guide-title {
  color: #333333;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-support__guide-text {
  color: #555555;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 12px;
}

.page-support__read-more {
  color: #E53935;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
}

.page-support__read-more:hover {
  text-decoration: underline;
}

/* --- Contact --- */
.page-support__contact-section {
  background: #FFFFFF;
}

.page-support__contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-support__contact-card {
  background: #F5F7FA;
  border: 1px solid #E0E0E0;
  border-radius: 12px;
  padding: 24px;
}

.page-support__contact-title {
  color: #333333;
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.page-support__contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-support__form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-support__form-label {
  color: #333333;
  font-size: 0.875rem;
  font-weight: 600;
}

.page-support__form-input,
.page-support__form-textarea {
  padding: 12px 14px;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #FFFFFF;
  color: #333333;
  transition: border-color 0.2s ease;
}

.page-support__form-input:focus,
.page-support__form-textarea:focus {
  outline: none;
  border-color: #E53935;
}

.page-support__contact-text {
  color: #555555;
  line-height: 1.6;
  margin: 0 0 16px;
}

/* --- Logo Grid --- */
.page-support__logo-section {
  background: #F5F7FA;
}

.page-support__logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
  justify-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.page-support__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: 280px;
  width: 100%;
}

.page-support__logo-image {
  width: 100%;
  aspect-ratio: 2/1;
  object-fit: contain;
  background: #FFFFFF;
  border-radius: 8px;
  border: 1px solid #E0E0E0;
  padding: 8px;
}

.page-support__logo-cta {
  padding: 8px 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.page-support__logo-cta:hover {
  transform: translateY(-2px);
}

/* Position 5 and 6 to fill the 2nd row centered (4+2 layout) */
.page-support__logo-item:nth-child(5) {
  grid-column: 2;
}

.page-support__logo-item:nth-child(6) {
  grid-column: 3;
}

/* --- Responsive 768px --- */
@media (max-width: 768px) {
  .page-support__hero-image {
    aspect-ratio: 2/1;
    border-radius: 8px;
  }

  .page-support__hero-content {
    padding: 16px 12px;
  }

  .page-support__section-title {
    font-size: 1.5rem;
  }

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

  .page-support__guide-image {
    aspect-ratio: 16/9;
  }

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

  .page-support__logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-support__logo-item:nth-child(5),
  .page-support__logo-item:nth-child(6) {
    grid-column: auto;
  }

  .page-support__button {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    padding: 12px 20px;
  }

  .page-support__button--secondary {
    margin-top: 8px;
  }

  /* Mobile: prevent overflow, images max-width */
  .page-support img {
    max-width: 100% !important;
    height: auto !important;
  }
  
  .page-support__container {
    padding: 24px 12px;
  }
}

/* --- Responsive 1024px --- */
@media (max-width: 1024px) {
  .page-support__guide-grid {
    gap: 16px;
  }

  .page-support__hero-image {
    max-height: 300px;
  }
}