/* style/index.css */

/* General styles for the page-index scope */
.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Dark text for light body background */
  background-color: #F5F7FA; /* Body background from shared */
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Section titles */
.page-index__section-title {
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: #E53935; /* Primary color for titles */
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}

.page-index__section-title--center span {
  padding: 0 20px;
  font-size: clamp(1.75rem, 5vw, 3rem); /* H1 clamp */
  color: #ed9107; /* Gold/Orange for H1 */
}

.page-index__section-title--normal span {
  padding: 0 20px;
  font-size: clamp(1.5rem, 4vw, 2.5rem); /* H2 clamp */
  color: #ed9107; /* Gold/Orange for H2 */
}

.page-index__section-title b {
  flex-grow: 1;
  height: 2px;
  background-color: #ed9107; /* Gold/Orange line */
  max-width: 100px;
}

/* Buttons */
.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons adapt */
}

.page-index__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-index__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__btn-secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-index__btn-secondary:hover {
  background: #E53935;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Module 0: Hero Banner */
.page-index__hero-section {
  padding-top: 10px; /* Small top padding, body has --header-offset */
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-index__hero-banner {
  width: 100%;
  overflow: hidden;
}

.page-index__hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Module 1: Intro Section */
.page-index__intro-section {
  background: #252b38; /* Dark background */
  padding: 60px 20px;
}

.page-index__intro-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  color: #f0f0f0; /* Light text for dark background */
}

.page-index__intro-quote {
  font-size: 1.15rem;
  line-height: 1.8;
  margin: 30px auto;
  max-width: 800px;
  color: #cccccc;
}

.page-index__intro-quote p {
  margin: 0;
}

.page-index__intro-buttons {
  display: flex;
  flex-wrap: wrap; /* Allow wrapping on small screens */
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-index__intro-buttons .page-index__btn-primary,
.page-index__intro-buttons .page-index__btn-secondary {
    min-width: 180px; /* Minimum width for buttons */
    flex-grow: 1;
    max-width: 250px;
}
.page-index__intro-buttons .page-index__btn-download {
    background: #FF5A4F; /* A distinct color for download */
    color: #ffffff;
}
.page-index__intro-buttons .page-index__btn-download:hover {
    background: #E53935;
}


/* Module 2: FAQ Section */
.page-index__faq-section {
  background: #F5F7FA; /* Light background */
  padding: 60px 20px;
}

.page-index__faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-index__faq-list {
  margin-top: 40px;
}

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #E0E0E0;
  overflow: hidden;
  background: #ffffff; /* White background for FAQ item */
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

details.page-index__faq-item summary.page-index__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: #333333; /* Dark text */
}

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

details.page-index__faq-item summary.page-index__faq-question:hover {
  background: #f5f5f5;
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}

.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #E53935; /* Primary color for toggle */
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-index__faq-item[open] .page-index__faq-toggle {
  color: #FF5A4F; /* Auxiliary color when open */
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 20px;
  background: #f9f9f9;
  border-radius: 0 0 8px 8px;
  color: #555555;
}

.page-index__faq-answer p {
    margin-top: 10px;
    font-size: 1rem;
}

.page-index__faq-answer a {
    color: #E53935;
    text-decoration: none;
    font-weight: bold;
}
.page-index__faq-answer a:hover {
    text-decoration: underline;
}


/* Module 3: Blog Section */
.page-index__blog-section {
  background: #252b38; /* Dark background */
  padding: 60px 20px;
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); /* Responsive grid */
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.page-index__blog-card {
  background: #181b1f; /* Darker background for cards */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

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

.page-index__blog-media {
  position: relative;
  aspect-ratio: 16 / 9; /* 16:9 aspect ratio */
  overflow: hidden;
}

.page-index__blog-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-index__blog-date {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #E53935; /* Primary color */
  color: #ffffff;
  padding: 8px 10px;
  border-radius: 5px;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.2;
  font-weight: bold;
}

.page-index__blog-day {
  display: block;
  font-size: 1.2em;
}

.page-index__blog-month {
  display: block;
  font-size: 0.8em;
  text-transform: uppercase;
}

.page-index__blog-body {
  padding: 20px;
  color: #f0f0f0; /* Light text */
}

.page-index__blog-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 10px;
  color: #ed9107; /* Gold/Orange for titles */
  line-height: 1.4;
}

.page-index__blog-title:hover {
  color: #f99d15; /* Lighter gold/orange on hover */
}

.page-index__blog-excerpt {
  font-size: 0.95rem;
  color: #cccccc;
  margin-bottom: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* Limit to 2 lines */
  -webkit-box-orient: vertical;
}

.page-index__view-all-button-container {
    text-align: center;
    margin-top: 50px;
}
.page-index__view-all-button-container .page-index__btn-primary {
    min-width: 200px;
    padding: 15px 30px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-index__section-title--center span {
    font-size: clamp(1.5rem, 4.5vw, 2.5rem);
  }
  .page-index__section-title--normal span {
    font-size: clamp(1.3rem, 3.5vw, 2.2rem);
  }
  .page-index__intro-section,
  .page-index__faq-section,
  .page-index__blog-section {
    padding: 50px 20px;
  }
  .page-index__intro-quote {
    font-size: 1.1rem;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 16px 20px;
  }
  .page-index__faq-qtext {
    font-size: 1rem;
  }
  .page-index__blog-grid {
    gap: 25px;
  }
  .page-index__blog-title {
    font-size: 1.1rem;
  }
}

@media (max-width: 849px) {
  .page-index__blog-grid {
    grid-template-columns: repeat(2, 1fr); /* Tablet: 2 columns */
    gap: 20px;
  }
}

@media (max-width: 768px) {
  /* HERO Chủ Đề Hình Ảnh */
  .page-index__hero-section {
    padding-top: 10px !important; /* Small top padding */
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__hero-banner img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Khu Vực Giới Thiệu Nền Tối */
  .page-index__intro-section {
    padding: 30px 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__intro-inner {
    padding: 0 !important;
  }
  .page-index__section-title--center span {
    font-size: clamp(1.1rem, 4.5vw, 1.75rem) !important; /* H1 for mobile */
    padding: 0 10px;
  }
  .page-index__intro-quote {
    font-size: 1rem !important;
    margin: 20px auto !important;
    padding: 0 10px;
  }
  .page-index__intro-buttons {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px !important;
    margin-top: 20px !important;
    padding: 0 15px;
  }
  .page-index__intro-buttons .page-index__btn-primary,
  .page-index__intro-buttons .page-index__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px !important;
  }

  /* FAQ và Các Mô-đun Khác (Accordion FAQ) */
  .page-index__faq-section {
    padding: 30px 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__faq-container {
    padding: 0 !important;
  }
  .page-index__faq-list {
    margin-top: 20px !important;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px !important;
  }
  .page-index__faq-qtext {
    font-size: 0.95rem !important;
  }
  .page-index__faq-toggle {
    font-size: 24px !important;
    width: 24px !important;
    margin-left: 10px !important;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px !important;
  }
  .page-index__faq-answer p {
    font-size: 0.9rem !important;
  }

  /* Lưới Bài Viết Blog */
  .page-index__blog-section {
    padding: 30px 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__blog-grid {
    grid-template-columns: 1fr !important; /* Mobile: 1 column */
    gap: 20px !important;
    margin-top: 20px !important;
    padding: 0 10px;
  }
  .page-index__blog-card {
    max-width: 100% !important;
    width: 100% !important;
  }
  .page-index__blog-title {
    font-size: 1.05rem !important;
  }
  .page-index__blog-excerpt {
    font-size: 0.9rem !important;
  }
  .page-index__view-all-button-container {
    margin-top: 30px !important;
    padding: 0 15px;
  }
  .page-index__view-all-button-container .page-index__btn-primary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px !important;
  }

  /* Hình ảnh chung và container */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-index__section,
  .page-index__card,
  .page-index__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Nút và container nút */
  .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;
  }
  .page-index__cta-buttons,
  .page-index__button-group,
  .page-index__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    flex-wrap: wrap !important;
  }
  .page-index__intro-buttons,
  .page-index__view-all-button-container {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}

@media (max-width: 549px) {
  .page-index__blog-grid {
    grid-template-columns: 1fr !important; /* Mobile: 1 column */
  }
}