/* style/index.css */

:root {
  --thienhabet-primary: #FF8C1A;
  --thienhabet-secondary: #FFA53A;
  --thienhabet-card-bg: #17191F;
  --thienhabet-background: #0D0E12;
  --thienhabet-text-main: #FFF3E6;
  --thienhabet-border: #A84F0C;
  --thienhabet-glow: #FFB04D;
  --thienhabet-deep-orange: #D96800;
  --thienhabet-blue-accent: #3477c9;
}

.page-index {
  color: var(--thienhabet-text-main); /* Light text on dark body background */
  background-color: var(--thienhabet-background); /* Ensure consistency if body background is not inherited */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-index__section {
  padding: 20px 0;
  margin-bottom: 20px;
  position: relative;
}

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

.page-index__section-title {
  font-size: 2.2em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: var(--thienhabet-text-main);
}

.page-index__section-title.tieudevip {
  color: var(--thienhabet-blue-accent);
  border: 1px solid var(--thienhabet-blue-accent);
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-block;
  margin: 30px auto;
  box-shadow: 0 0 15px rgba(52, 119, 201, 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  background-color: rgba(255, 255, 255, 0.05);
}

.page-index__highlight {
  color: var(--thienhabet-secondary);
  font-weight: bold;
}

/* Module 0: Hero Carousel */
.page-index__hero-carousel-section {
  padding-top: 10px; /* Small top padding, assuming body handles main header offset */
  margin-bottom: 0;
  overflow: hidden;
}

.page-index__hero-slider {
  position: relative;
  max-width: 100%;
  overflow: hidden;
}

.page-index__hero-slide {
  display: none;
  width: 100%;
}

.page-index__hero-slide.is-active {
  display: block;
}

.page-index__hero-slide img {
  width: 100%;
  height: auto;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-index__hero-slider-prev,
.page-index__hero-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  z-index: 10;
  font-size: 1.5em;
  border-radius: 4px;
}

.page-index__hero-slider-prev { left: 10px; }
.page-index__hero-slider-next { right: 10px; }

.page-index__hero-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.page-index__hero-slider-dots::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
}

.page-index__hero-slider-dots::after {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
}

.page-index__hero-slider-dots .is-active::before,
.page-index__hero-slider-dots .is-active::after {
  background-color: white;
}

/* Module 1: Operation Guide Section */
.page-index__guide-section {
  padding: 40px 0;
}

.page-index__guide-box {
  max-width: 100%;
  margin: 0 auto;
  padding: 16px 20px 24px;
  background: #f5e6d3; /* Light beige background as per demo */
  border-radius: 4px;
  box-sizing: border-box;
  text-align: center;
}

.page-index__guide-grid {
  display: flex;
  flex-wrap: nowrap; /* Prevent wrapping on desktop */
  align-items: flex-start; /* For staggered effect */
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.page-index__guide-card {
  display: block;
  flex: 0 0 19%; /* Slightly less than 20% to account for gap */
  max-width: 19%;
  text-decoration: none;
  transition: transform 0.3s ease-in-out;
}

.page-index__guide-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.page-index__guide-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 250 / 350;
  object-fit: contain; /* Ensure vertical image is not distorted */
  display: block;
  border-radius: 4px;
  min-width: 200px;
  min-height: 200px;
}

/* PC staggered effect */
.page-index__guide-card--pos-1, .page-index__guide-card--pos-5 { padding-top: 50px; }
.page-index__guide-card--pos-2, .page-index__guide-card--pos-4 { padding-top: 25px; }
.page-index__guide-card--pos-3 { padding-top: 0; }

/* Module 2: home_content Long Text Area */
.page-index__home-content-section {
  padding: 40px 0;
}

.page-index__home-content-row {
  display: flex;
  justify-content: center;
}

.page-index__home-content-box {
  max-width: 91%; /* Approx 700px width on desktop */
  width: 100%;
  margin: 0 auto;
  padding: 10px 16px;
  border: 5px solid var(--thienhabet-blue-accent);
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(52, 119, 201, 0.5);
  height: 700px; /* Fixed height for desktop */
  text-align: left;
  box-sizing: border-box;
  background-color: var(--thienhabet-card-bg); /* Dark card background */
  color: var(--thienhabet-text-main);
}

.page-index__home-content-inner {
  height: 100%;
  overflow-y: auto; /* Enable scrolling for long content */
  overflow-x: hidden;
  padding-right: 8px; /* Space for scrollbar */
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.page-index__home-content-inner::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome, Safari and Opera */
}

.page-index__home-content-title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 20px;
  text-align: center;
  color: var(--thienhabet-primary);
  line-height: 1.2;
}

.page-index__sub-title {
  font-size: 1.8em;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--thienhabet-secondary);
}

.page-index__mini-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--thienhabet-text-main);
}

.page-index__home-content-box p,
.page-index__home-content-box li {
  margin-bottom: 15px;
  color: var(--thienhabet-text-main);
}

.page-index__home-content-box a {
  color: var(--thienhabet-secondary);
  text-decoration: underline;
}

.page-index__home-content-box figure {
  margin: 20px auto;
  text-align: center;
}

.page-index__home-content-box img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  min-width: 200px;
  min-height: 200px;
}

.page-index__home-content-box figcaption {
  font-style: italic;
  font-size: 0.9em;
  color: rgba(255, 243, 230, 0.7);
  margin-top: 10px;
}

/* Module 3: Latest Blog Posts Section */
.page-index__blog-section {
  padding: 40px 0;
  background-color: var(--thienhabet-background);
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.page-index__blog-card {
  background-color: var(--thienhabet-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.page-index__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index__blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.page-index__blog-media {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
}

.page-index__blog-media img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  min-width: 200px;
  min-height: 200px;
}

.page-index__blog-date {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--thienhabet-primary);
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.8em;
  font-weight: bold;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.page-index__blog-date span:first-child { font-size: 1.2em; }

.page-index__blog-title {
  font-size: 1.2em;
  font-weight: bold;
  color: var(--thienhabet-secondary);
  padding: 15px;
  margin-bottom: 0;
}

.page-index__blog-excerpt {
  font-size: 0.9em;
  color: rgba(255, 243, 230, 0.8);
  padding: 0 15px 15px;
  margin-top: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-index__view-all-button-container {
  text-align: center;
  margin-top: 40px;
}

/* Module 4: App Download Promotion Area */
.page-index__app-download-section {
  padding: 60px 0;
  background-color: var(--thienhabet-background);
}

.page-index__app-download-box {
  background: linear-gradient(135deg, var(--thienhabet-primary) 0%, var(--thienhabet-deep-orange) 100%);
  border-radius: 15px;
  padding: 40px;
  text-align: center;
  color: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  max-width: 900px;
  margin: 0 auto;
}

.page-index__app-download-title {
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 20px;
  color: white;
}

.page-index__app-download-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  line-height: 1.8;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

/* General Button Styles */
.page-index__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  background: linear-gradient(180deg, var(--thienhabet-secondary) 0%, var(--thienhabet-deep-orange) 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__btn-primary:hover {
  background: linear-gradient(180deg, var(--thienhabet-primary) 0%, var(--thienhabet-deep-orange) 100%);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

/* Image and Button Responsive Defaults */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-index__cta-button,
.page-index__btn-primary,
.page-index__btn-secondary,
.page-index a[class*="button"],
.page-index a[class*="btn"] {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__cta-buttons,
.page-index__button-group,
.page-index__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Responsive Styles for Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-index__section-content {
    padding: 0 10px;
  }

  .page-index__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-index__section-title.tieudevip {
    font-size: 1.5em;
    padding: 8px 15px;
    margin: 20px auto;
  }

  /* Module 0: Hero Carousel */
  .page-index__hero-carousel-section {
    padding-top: 10px !important; /* Small top padding for mobile */
  }

  .page-index__hero-slider-prev,
  .page-index__hero-slider-next {
    padding: 8px 12px;
    font-size: 1.2em;
  }

  .page-index__hero-slider-dots {
    bottom: 5px;
    gap: 5px;
  }

  .page-index__hero-slider-dots::before,
  .page-index__hero-slider-dots::after {
    width: 8px;
    height: 8px;
  }

  /* Module 1: Operation Guide Section */
  .page-index__guide-section {
    padding: 20px 0;
  }

  .page-index__guide-box {
    padding: 10px;
  }

  .page-index__guide-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* 2 cards (span 3) and 3 cards (span 2) */
    gap: 8px;
    margin-top: 15px;
  }

  .page-index__guide-card {
    flex: none;
    max-width: none;
    padding-top: 0 !important; /* Reset staggered padding */
  }

  .page-index__guide-card--pos-1,
  .page-index__guide-card--pos-2 { grid-column: span 3; }
  .page-index__guide-card--pos-3,
  .page-index__guide-card--pos-4,
  .page-index__guide-card--pos-5 { grid-column: span 2; }

  .page-index__guide-card img {
    aspect-ratio: 250 / 350; /* Maintain vertical aspect ratio */
    object-fit: contain;
  }

  /* Module 2: home_content Long Text Area */
  .page-index__home-content-section {
    padding: 20px 0;
  }

  .page-index__home-content-box {
    max-width: 100%;
    height: auto; /* Auto height for mobile */
    padding: 20px 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(52, 119, 201, 0.3);
  }

  .page-index__home-content-inner {
    height: auto; /* Auto height for mobile */
    overflow: visible; /* Show all content */
    padding-right: 0;
  }

  .page-index__home-content-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-index__sub-title {
    font-size: 1.5em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-index__mini-title {
    font-size: 1.2em;
    margin-top: 15px;
    margin-bottom: 8px;
  }

  /* Module 3: Latest Blog Posts Section */
  .page-index__blog-section {
    padding: 20px 0;
  }

  .page-index__blog-grid {
    grid-template-columns: repeat(2, 1fr); /* 2 columns for mobile */
    gap: 15px;
  }

  .page-index__blog-media {
    padding-bottom: 65%; /* Adjust aspect ratio slightly for better mobile fit if needed */
  }

  .page-index__blog-title {
    font-size: 1em;
    padding: 10px;
  }

  .page-index__blog-excerpt {
    padding: 0 10px 10px;
    -webkit-line-clamp: 3; /* Allow more lines on mobile if needed */
  }

  .page-index__view-all-button-container {
    margin-top: 30px;
  }

  /* Module 4: App Download Promotion Area */
  .page-index__app-download-section {
    padding: 30px 0;
  }

  .page-index__app-download-box {
    padding: 25px;
    border-radius: 10px;
  }

  .page-index__app-download-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-index__app-download-description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-index__app-download-buttons {
    flex-direction: column;
    gap: 15px;
  }

  /* Mobile Image and Button Overrides */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__guide-box,
  .page-index__home-content-box,
  .page-index__blog-card,
  .page-index__app-download-box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-index__cta-button,
  .page-index__btn-primary,
  .page-index__btn-secondary,
  .page-index a[class*="button"],
  .page-index 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-index__cta-buttons,
  .page-index__button-group,
  .page-index__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-index__app-download-buttons {
    flex-direction: column;
  }
}