:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --button-gradient: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  --card-bg: #FFFFFF;
  --background-color: #F5F7FA;
  --text-main-color: #333333;
  --border-color: #E0E0E0;
}

.page-index {
  color: var(--text-main-color);
  background-color: var(--background-color);
}

/* Module 1: Hero Banner */
.page-index__hero-section {
  padding-top: 10px; /* Rely on body for header offset */
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

/* Module 2: Access Links */
.page-index__access-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 1250px;
  margin: 0 auto;
  padding: 30px 12px;
  box-sizing: border-box;
}

.page-index__btn-access-link {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 20px;
  background: var(--button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn-access-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Module 3: Brand Intro */
.page-index__brand-intro {
  max-width: 1250px;
  margin: 0 auto;
  padding: 20px 12px;
  box-sizing: border-box;
  text-align: center;
}

.page-index__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--primary-color);
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(2em, 3.5vw, 3.2em); /* Use clamp for H1 */
}

.page-index__intro-text {
  font-size: 1.1em;
  line-height: 1.6;
  color: var(--text-main-color);
  max-width: 900px;
  margin: 0 auto;
  text-align: justify;
}

.page-index__intro-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-index__intro-link:hover {
  text-decoration: underline;
}

/* Module 4: Category Lobby */
.page-index__category-lobby {
  max-width: 1250px;
  margin: 40px auto;
  padding: 0 12px;
  box-sizing: border-box;
  text-align: center;
}

.page-index__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.page-index__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  border-radius: 2px;
}

.page-index__category-lobby__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-index__category-card,
.page-index__category-card-link {
  display: block;
  border: none;
  box-shadow: none;
  outline: none;
  background: transparent;
  border-radius: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

.page-index__category-card-link img {
  aspect-ratio: 1 / 1;
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  border: none;
  box-shadow: none;
  border-radius: 0;
  transition: transform 0.3s ease-in-out;
}

.page-index__category-card-link:hover img {
  transform: scale(1.05);
}

/* Module 5: Blog Slider */
.page-index__blog-slider-section {
  max-width: 1250px;
  margin: 40px auto;
  padding: 0 12px;
  box-sizing: border-box;
  text-align: center;
}

.page-index__section-subtitle {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.page-index__section-subtitle::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 1.5px;
}

.page-index__blog-slider-container {
  position: relative;
  margin-top: 30px;
}

.page-index__blog-slider-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 15px; /* Space for scrollbar */
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: var(--secondary-color) var(--background-color); /* Firefox */
}

.page-index__blog-slider-track::-webkit-scrollbar {
  height: 8px;
}

.page-index__blog-slider-track::-webkit-scrollbar-thumb {
  background-color: var(--secondary-color);
  border-radius: 4px;
}

.page-index__blog-slider-track::-webkit-scrollbar-track {
  background-color: var(--border-color);
  border-radius: 4px;
}

.page-index__post-item {
  flex: 0 0 calc(33.333% - 11px); /* 3 items per row, considering gap */
  scroll-snap-align: start;
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
  text-align: left;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__post-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.page-index__post-image-wrapper {
  position: relative;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
}

.page-index__post-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__post-date {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--primary-color);
  color: #ffffff;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.85em;
  font-weight: bold;
  z-index: 1;
}

.page-index__post-content {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-index__post-title {
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--primary-color);
}

.page-index__post-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-index__post-title a:hover {
  text-decoration: underline;
}

.page-index__post-divider {
  width: 40px;
  height: 3px;
  background: var(--secondary-color);
  margin: 5px 0 10px;
  border-radius: 1.5px;
}

.page-index__post-excerpt {
  font-size: 0.95em;
  line-height: 1.5;
  color: var(--text-main-color);
  flex-grow: 1;
}

.page-index__blog-slider-prev,
.page-index__blog-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary-color);
  color: #ffffff;
  border: none;
  padding: 10px 15px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5em;
  z-index: 10;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-index__blog-slider-prev {
  left: -20px;
}

.page-index__blog-slider-next {
  right: -20px;
}

.page-index__blog-slider-prev:hover,
.page-index__blog-slider-next:hover {
  background-color: var(--secondary-color);
  transform: translateY(-50%) scale(1.1);
}

/* General image responsiveness */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
  box-sizing: border-box;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-index__access-links {
    padding: 25px 10px;
    gap: 10px;
  }

  .page-index__btn-access-link {
    padding: 12px 15px;
    font-size: 1em;
  }

  .page-index__main-title {
    font-size: clamp(1.8em, 3vw, 2.8em);
  }

  .page-index__intro-text {
    font-size: 1em;
  }

  .page-index__section-title {
    font-size: 2em;
  }

  .page-index__category-lobby__grid {
    gap: 12px;
  }

  .page-index__section-subtitle {
    font-size: 1.6em;
  }

  .page-index__post-item {
    flex: 0 0 calc(50% - 8px); /* 2 items per row */
  }

  .page-index__blog-slider-prev,
  .page-index__blog-slider-next {
    padding: 8px 12px;
    font-size: 1.3em;
  }

  .page-index__blog-slider-prev {
    left: 0px;
  }

  .page-index__blog-slider-next {
    right: 0px;
  }
}

@media (max-width: 849px) {
  .page-index__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-height: none !important;
  }
}

@media (max-width: 768px) {
  /* Banner */
  .page-index__hero-section {
    padding-top: 10px;
  }
  .page-index__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-height: none !important;
  }

  /* Access Links */
  .page-index__access-links {
    grid-template-columns: 1fr;
    padding: 20px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__btn-access-link {
    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;
  }

  /* Brand Intro */
  .page-index__brand-intro {
    padding: 15px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__main-title {
    font-size: clamp(1.5em, 5vw, 2.5em);
  }
  .page-index__intro-text {
    font-size: 0.95em;
  }

  /* Category Lobby */
  .page-index__category-lobby {
    margin: 30px auto;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__section-title {
    font-size: 1.8em;
  }
  .page-index__category-lobby__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .page-index__category-card-link img {
    aspect-ratio: 1 / 1;
    width: 100%;
    object-fit: contain;
    border: none;
    box-shadow: none;
    border-radius: 0;
  }

  /* Blog Slider */
  .page-index__blog-slider-section {
    margin: 30px auto;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__section-subtitle {
    font-size: 1.5em;
  }
  .page-index__blog-slider-track {
    padding-bottom: 10px;
  }
  .page-index__post-item {
    flex: 0 0 85%; /* Single item visible */
  }
  .page-index__blog-slider-prev,
  .page-index__blog-slider-next {
    top: calc(50% + 15px); /* Adjust for scrollbar */
    transform: translateY(-50%) scale(0.9);
    padding: 6px 10px;
    font-size: 1.2em;
    display: none; /* Hide arrows for very small screens, rely on swipe */
  }
  .page-index__blog-slider-prev {
    left: 5px;
  }
  .page-index__blog-slider-next {
    right: 5px;
  }
  .page-index__blog-slider-container {
    overflow: hidden; /* Ensure arrows don't cause horizontal scroll */
  }

  /* General image and container responsiveness */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__blog-slider-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}