/* style/index.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */

:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --card-bg-color: #11271B;
  --site-bg-color: #08160F;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --border-color: #2E7A4E;
  --divider-color: #1E3A2A;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --deep-green-color: #0A4B2C;
}

.page-index {
  font-family: Arial, sans-serif;
  color: var(--text-main-color);
  background-color: var(--site-bg-color);
}

/* Video Section */
.page-index__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã xử lý padding-top: var(--header-offset) */
  box-sizing: border-box;
}

.page-index__video-container {
  position: relative;
  width: 100%; /* Bắt buộc cho desktop */
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.page-index__video-link {
  display: block;
  text-decoration: none;
  position: relative;
  width: 100%;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 8px;
  overflow: hidden;
}

.page-index__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-index__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  object-fit: cover;
  pointer-events: none; /* Ngăn chặn điều khiển video chặn sự kiện click */
}

.page-index__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
  opacity: 1;
}

.page-index__video-click-hint {
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
  padding: 10px 20px;
  background: rgba(var(--primary-color-rgb, 17, 168, 78), 0.8);
  border-radius: 5px;
  white-space: nowrap;
}

.page-index__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.page-index__play-now-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.page-index__play-now-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Promo Dark & GifCode Tabs Section */
.page-index__promo-dark {
  background: var(--card-bg-color);
  padding: 40px 20px;
  margin-top: 40px;
  box-sizing: border-box;
}

.page-index__gifcode-tabs {
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-index__gifcode-title {
  color: var(--gold-color);
  text-align: center;
  text-transform: uppercase;
  font-size: 2em;
  margin-bottom: 25px;
  letter-spacing: 1px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-index__gifcode-tab-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 16px 0 30px;
  border-bottom: 1px solid var(--divider-color);
}

.page-index__gifcode-tab-nav li {
  position: relative;
}

.page-index__gifcode-tab-nav a {
  color: var(--text-secondary-color);
  text-decoration: none;
  text-transform: uppercase;
  padding: 10px 15px;
  font-weight: bold;
  transition: color 0.3s ease;
  display: block;
}

.page-index__gifcode-tab-nav a.is-active {
  color: var(--primary-color);
}

.page-index__gifcode-tab-nav a.is-active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
}

.page-index__gifcode-panel {
  display: none;
}

.page-index__gifcode-panel.is-active {
  display: block;
}

.page-index__gifcode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__gifcode-col {
  flex: 1 1 calc(50% - 10px); /* 2 columns for desktop */
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.page-index__gifcode-img {
  width: 100%;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
}

.page-index__gifcode-img a {
  display: block;
  line-height: 0;
}

.page-index__gifcode-img img {
  display: block;
  width: 100%;
  aspect-ratio: 370 / 127; /* Fixed aspect ratio for consistent card height */
  object-fit: cover;
  transition: transform 0.3s ease;
  border-radius: 6px;
}

.page-index__gifcode-img:hover img {
  transform: scale(1.03);
}

.page-index__blog-section-title {
  color: var(--primary-color);
  text-align: center;
  margin: 50px 0 30px;
  font-size: 1.8em;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* Blog Slider Section */
.page-index__blog-slider {
  padding: 40px 0 60px;
  background: var(--site-bg-color);
  box-sizing: border-box;
}

.page-index__blog-slider-wrap {
  position: relative;
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 50px; /* Space for navigation buttons */
  box-sizing: border-box;
}

.page-index__blog-slider-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none; /* Firefox */
  -webkit-overflow-scrolling: touch;
}

.page-index__blog-slider-track::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.page-index__post-item {
  flex: 0 0 calc((100% - 80px) / 5); /* 5 cards visible for desktop (4*20px gap) */
  scroll-snap-align: start;
  min-width: 0;
  box-sizing: border-box;
}

.page-index__post-box {
  position: relative;
  background: var(--card-bg-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-index__post-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-index__post-image {
  position: relative;
}

.page-index__post-cover {
  position: relative;
  padding-top: 120px; /* Fixed height for cover image */
  overflow: hidden;
}

.page-index__post-cover-link {
  display: block;
}

.page-index__post-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-index__post-text {
  padding: 15px;
  text-align: center;
  color: var(--text-main-color);
}

.page-index__post-title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  line-height: 1.4;
}

.page-index__post-title a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-index__post-title a:hover {
  color: var(--secondary-color);
}

.page-index__post-divider {
  width: 50px;
  height: 2px;
  background: var(--divider-color);
  margin: 10px auto;
}

.page-index__post-excerpt {
  color: var(--text-secondary-color);
  font-size: 0.9em;
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* Limit to 2 lines */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-index__post-date {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--site-bg-color);
  border: 2px solid var(--primary-color);
  padding: 6px 8px;
  text-align: center;
  font-size: 13px;
  line-height: 1.1;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  color: var(--text-main-color);
}

.page-index__post-date-day {
  display: block;
  font-weight: 700;
  font-size: 1.1em;
  color: var(--gold-color);
}

.page-index__post-date-month {
  display: block;
  font-size: 0.8em;
  color: var(--text-secondary-color);
  text-transform: uppercase;
}

.page-index__blog-slider-prev,
.page-index__blog-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-index__blog-slider-prev:hover,
.page-index__blog-slider-next:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-50%) scale(1.05);
}

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

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

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

.page-index__section,
.page-index__container,
.page-index__row,
.page-index__col,
.page-index__card,
.page-index__box,
.page-index__gifcode-img,
.page-index__post-image {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Responsive Design */
@media (max-width: 849px) {
  .page-index__post-item {
    flex: 0 0 calc((100% - 40px) / 3); /* 3 cards visible */
  }
}

@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .page-index__video-section {
    padding: 30px 15px !important;
    padding-top: 10px !important;
  }

  .page-index__video-container {
    padding-left: 0 !important;
    padding-right: 0 !important;
    width: 100% !important;
  }

  .page-index__video-link,
  .page-index__video-wrapper {
    width: 100% !important;
  }

  .page-index__video {
    width: 100% !important;
    height: auto !important;
    object-fit: contain; /* Ensure video is fully visible */
  }

  .page-index__video-click-hint {
    font-size: 16px !important;
    padding: 8px 16px !important;
  }

  .page-index__video-cta {
    margin-top: 20px;
    padding: 0 15px;
    width: 100% !important;
  }
  
  .page-index__play-now-button {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 30px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-index__promo-dark {
    padding: 30px 15px;
    margin-top: 30px;
  }

  .page-index__gifcode-title {
    font-size: 1.5em;
    margin-bottom: 20px;
  }

  .page-index__gifcode-tab-nav {
    gap: 15px;
    margin: 10px 0 20px;
  }

  .page-index__gifcode-tab-nav a {
    padding: 8px 10px;
    font-size: 0.9em;
  }

  .page-index__gifcode-row {
    flex-direction: column;
    gap: 15px;
  }

  .page-index__gifcode-col {
    flex: 1 1 100%; /* Single column for mobile */
    gap: 15px;
  }

  .page-index__gifcode-img img {
    aspect-ratio: 370 / 127; /* Maintain aspect ratio */
  }

  .page-index__blog-section-title {
    font-size: 1.4em;
    margin: 40px 0 25px;
  }

  .page-index__blog-slider-wrap {
    padding: 0 15px;
  }

  .page-index__blog-slider-prev,
  .page-index__blog-slider-next {
    width: 35px;
    height: 35px;
    font-size: 20px;
  }

  .page-index__post-item {
    flex: 0 0 100%; /* 1 card visible */
  }

  .page-index__post-text {
    padding: 12px;
  }

  .page-index__post-title {
    font-size: 1em;
  }

  .page-index__post-excerpt {
    font-size: 0.8em;
  }

  /* General mobile overrides for images and containers */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-index__section,
  .page-index__container,
  .page-index__row,
  .page-index__col,
  .page-index__card,
  .page-index__box,
  .page-index__gifcode-img,
  .page-index__post-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    overflow: hidden !important;
  }
  .page-index__gifcode-tabs {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-index__blog-slider-track {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-index__play-now-button {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}

@media (max-width: 549px) {
  .page-index__post-item {
    flex: 0 0 100%; /* 1 card visible */
  }
  .page-index__blog-slider-wrap {
    padding: 0 15px;
  }
  .page-index__blog-slider-prev {
    left: -5px;
  }
  .page-index__blog-slider-next {
    right: -5px;
  }
}