/* style/index.css */

/* 智能文字颜色选择器 - Sử dụng màu chữ phù hợp với độ sáng nền */
.page-index {
  color: #333333; /* Mặc định chữ màu tối trên nền sáng (body background #FFFFFF) */
}

.page-index__promo-dark {
  background: #2c2c2c;
  color: #ffffff;
  padding: 24px 16px;
}

/* -------------------------------------------------------- */
/* 🚨 Módulo 1: Video Area */
/* -------------------------------------------------------- */
.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 có padding-top: var(--header-offset); nên ở đây chỉ dùng ít */
  background-color: #f5f5f5;
}

.page-index__video-container {
  position: relative;
  width: 100%; /* 🚨 Desktop: Phải có width: 100% để đảm bảo chiều rộng */
  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;
}

.page-index__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.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, 0.15);
}

.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 của thẻ a */
}

.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, 0.3);
  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, 0.5);
  padding: 10px 20px;
  background: rgba(0, 116, 57, 0.8); /* Sử dụng màu chủ đạo */
  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(--primary-color, #017439); /* Sử dụng màu chủ đạo */
  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, 0.15);
  border: none;
  cursor: pointer;
}

.page-index__play-now-button:hover {
  background: #005f2f; /* Màu đậm hơn một chút */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* -------------------------------------------------------- */
/* 🚨 Módulo 2: Ưu đãi GifCode & Tiêu đề Blog */
/* -------------------------------------------------------- */
.page-index__promo-dark {
  background: #2c2c2c;
  padding: 40px 20px;
  color: #ffffff;
}

.page-index__gifcode-tabs {
  max-width: 1250px;
  margin: 0 auto;
}

.page-index__gifcode-title {
  color: #017439; /* Màu chủ đạo */
  text-align: center;
  text-transform: uppercase;
  font-size: 2.2rem;
  margin-bottom: 25px;
  font-weight: bold;
  letter-spacing: 1px;
}

.page-index__gifcode-tab-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 16px 0 30px 0;
}

.page-index__gifcode-tab-nav li {
  flex-shrink: 0;
}

.page-index__gifcode-tab-nav a {
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  padding: 8px 4px;
  border-bottom: 2px solid transparent;
  font-weight: 600;
  transition: all 0.3s ease;
}

.page-index__gifcode-tab-nav a.is-active {
  color: #017439; /* Màu chủ đạo */
  border-bottom-color: #017439; /* Màu chủ đạo */
}

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

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

.page-index__gifcode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1250px;
  margin: 0 auto;
}

.page-index__gifcode-col {
  flex: 1 1 calc(50% - 6px); /* 2 cột trên desktop */
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0; /* Cho phép co lại */
}

.page-index__gifcode-img {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-index__gifcode-img img {
  display: block;
  width: 100%;
  aspect-ratio: 370 / 127; /* Tỷ lệ khung hình theo demo */
  object-fit: cover;
  transition: transform 0.3s;
}

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

.page-index__blog-section-title {
  color: #017439; /* Màu chủ đạo */
  text-align: center;
  margin: 40px 0 20px;
  font-size: 2.2rem;
  font-weight: bold;
  letter-spacing: 1px;
}

/* -------------------------------------------------------- */
/* 🚨 Módulo 3: Latest Articles Slider */
/* -------------------------------------------------------- */
.page-index__blog-slider {
  padding: 30px 0 50px;
  background: #f5f5f5; /* Nền sáng */
  color: #333333;
}

.page-index__blog-slider-wrap {
  position: relative;
  max-width: 1250px;
  margin: 0 auto;
  padding: 0 40px;
}

.page-index__blog-slider-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none; /* For Firefox */
  -webkit-overflow-scrolling: touch;
}

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

.page-index__post-item {
  flex: 0 0 calc((100% - 64px) / 5); /* 5 cards on desktop (4*16px gap) */
  scroll-snap-align: start;
  min-width: 0; /* Allow shrinking */
  transition: transform 0.3s ease;
}

.page-index__post-item:hover {
  transform: translateY(-5px);
}

.page-index__post-box {
  position: relative;
  background: #2c2c2c;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  height: 100%; /* Đảm bảo chiều cao đồng nhất */
  display: flex;
  flex-direction: column;
}

.page-index__post-image {
  position: relative;
  width: 100%;
  overflow: hidden;
}

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

.page-index__post-cover-link {
  display: block;
  position: absolute;
  inset: 0;
}

.page-index__post-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.page-index__post-cover-link:hover img {
  transform: scale(1.05);
}

.page-index__post-text {
  padding: 15px;
  text-align: center;
  color: #fff;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-index__post-title {
  margin: 0 0 10px 0;
  line-height: 1.3;
  flex-grow: 1;
}

.page-index__post-title a {
  color: #017439; /* Màu chủ đạo */
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-index__post-title a:hover {
  color: #005f2f;
}

.page-index__post-divider {
  width: 40px;
  height: 2px;
  background: #017439; /* Màu chủ đạo */
  margin: 8px auto;
}

.page-index__post-excerpt {
  color: #bbb;
  font-size: 0.9rem;
  line-height: 1.4;
  margin: 0;
}

.page-index__post-date {
  position: absolute;
  top: 8px;
  left: 8px;
  background: #fff;
  border: 2px solid #017439; /* Màu chủ đạo */
  padding: 4px 6px;
  text-align: center;
  font-size: 12px;
  line-height: 1.2;
  border-radius: 3px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-index__post-date-day {
  display: block;
  font-weight: 700;
  color: #333;
}

.page-index__post-date-month {
  display: block;
  font-size: 10px;
  color: #666;
  text-transform: uppercase;
}

.page-index__blog-slider-prev,
.page-index__blog-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: #017439; /* Màu chủ đạo */
  color: #ffffff;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-index__blog-slider-prev:hover,
.page-index__blog-slider-next:hover {
  background: #005f2f;
  transform: translateY(-50%) scale(1.05);
}

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

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

/* -------------------------------------------------------- */
/* 🚨 Responsive Design */
/* -------------------------------------------------------- */
@media (max-width: 1024px) {
  .page-index__gifcode-title, .page-index__blog-section-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 849px) {
  .page-index__blog-slider-wrap {
    padding: 0 20px;
  }
  .page-index__blog-slider-prev { left: 5px; }
  .page-index__blog-slider-next { right: 5px; }
  .page-index__post-item {
    flex: 0 0 calc((100% - 32px) / 3); /* 3 cards on tablet (2*16px gap) */
  }
  .page-index__gifcode-tab-nav {
    gap: 15px;
  }
  .page-index__gifcode-title, .page-index__blog-section-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  /* 🚨 Universal mobile image/video/button rules */
  .page-index img,
  .page-index video,
  .page-index__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-index__video-section,
  .page-index__video-container,
  .page-index__video-wrapper,
  .page-index__promo-dark,
  .page-index__gifcode-tabs,
  .page-index__gifcode-row,
  .page-index__gifcode-col,
  .page-index__gifcode-img,
  .page-index__blog-slider,
  .page-index__blog-slider-wrap,
  .page-index__blog-slider-track,
  .page-index__post-item,
  .page-index__post-box,
  .page-index__post-image,
  .page-index__post-cover,
  .page-index__play-now-button,
  .page-index__video-cta,
  .page-index__gifcode-tab-nav {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  .page-index__video-section,
  .page-index__promo-dark,
  .page-index__blog-slider {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__video-section {
    padding-top: 10px !important; /* Vẫn giữ 10px, không dùng var(--header-offset) */
    padding-bottom: 40px !important;
  }
  
  .page-index__play-now-button {
    padding: 12px 20px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
}

@media (max-width: 549px) {
  .page-index__gifcode-title, .page-index__blog-section-title {
    font-size: 1.4rem;
  }
  .page-index__gifcode-row {
    flex-direction: column;
  }
  .page-index__gifcode-col {
    flex: 1 1 100%; /* Single column on mobile */
  }
  .page-index__blog-slider-wrap {
    padding: 0 10px;
  }
  .page-index__blog-slider-prev,
  .page-index__blog-slider-next {
    width: 30px;
    height: 30px;
    font-size: 20px;
  }
  .page-index__blog-slider-prev { left: 0; }
  .page-index__blog-slider-next { right: 0; }
  .page-index__post-item {
    flex: 0 0 100%; /* Single card on mobile */
  }
  .page-index__gifcode-tab-nav {
    gap: 10px;
  }
  .page-index__gifcode-tab-nav a {
    font-size: 0.9rem;
    padding: 6px 2px;
  }
  .page-index__post-title a {
    font-size: 1rem;
  }
  .page-index__post-excerpt {
    font-size: 0.8rem;
  }
}