/* ===== Trang chủ lucky6868 - Red White theme ===== */
.page-index {
  max-width: 100%;
  overflow-x: hidden;
  background-color: #F5F7FA;
  color: #333333;
}

/* Hero Section */
.page-index__hero-section {
  padding-top: 0;
  margin-top: 0;
  width: 100%;
  overflow: hidden;
}
.page-index__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 17 / 5;
}

/* Logo Grid Section */
.page-index__logo-grid-section {
  max-width: 1200px;
  margin: 16px auto 28px;
  padding: 0 16px;
}
.page-index__logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
  justify-items: center;
}
.page-index__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 280px;
  text-align: center;
}
.page-index__logo-image {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  display: block;
}
.page-index__logo-cta {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(229, 57, 53, 0.35);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}
.page-index__logo-item:nth-child(5) {
  grid-column: 2;
}
.page-index__logo-item:nth-child(6) {
  grid-column: 3;
}

/* Guide Section */
.page-index__guide-section {
  background-color: #FFFFFF;
}
.page-index__guide-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}
.page-index__guide-title {
  text-align: center;
  color: #E53935;
  margin: 12px 0 20px;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  max-width: 100%;
}
.page-index__guide-intro {
  font-size: 1.1rem;
  line-height: 1.7;
  text-align: center;
  color: #333333;
}
.page-index__guide-subtitle {
  color: #E53935;
  margin-top: 36px;
  margin-bottom: 16px;
  font-size: 1.5rem;
}
.page-index__guide-inner p,
.page-index__guide-inner li {
  line-height: 1.7;
  color: #333333;
  font-size: 1rem;
}
.page-index__guide-figure {
  margin: 24px auto;
  text-align: center;
  max-width: 800px;
}
.page-index__guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  display: block;
  border-radius: 8px;
}
.page-index__guide-figure figcaption {
  font-size: 0.9rem;
  color: #666666;
  margin-top: 8px;
  text-align: center;
}

/* Button responsiveness */
.page-index__guide-section a {
  color: #E53935;
  font-weight: 600;
  text-decoration: none;
}
.page-index__guide-section a:hover {
  text-decoration: underline;
}

/* FAQ Details (fallback) */
.page-index__guide-section details {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 12px;
}
.page-index__guide-section details summary {
  cursor: pointer;
  font-weight: 600;
  color: #333333;
}

/* ===== Responsive (Tablet & Mobile) ===== */
@media (max-width: 1024px) {
  .page-index__logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-index__logo-item:nth-child(5) {
    grid-column: auto;
  }
  .page-index__logo-item:nth-child(6) {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  .page-index__hero-image {
    aspect-ratio: 2 / 1;
  }
  .page-index__logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 8px;
  }
  .page-index__logo-item:nth-child(5),
  .page-index__logo-item:nth-child(6) {
    grid-column: auto;
  }
  .page-index__guide-title {
    font-size: 1.35rem;
    margin-left: 10px;
    margin-right: 10px;
  }
  .page-index__guide-intro {
    font-size: 1rem;
    margin-left: 10px;
    margin-right: 10px;
  }
  .page-index__guide-inner {
    padding: 12px 16px 32px;
  }
  .page-index__guide-figure figcaption {
    font-size: 0.8rem;
  }
  .page-index img {
    max-width: 100% !important;
    height: auto !important;
  }
  .page-index__logo-cta {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
  }
}