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

/* Màu sắc chung */
:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --bg-dark: #08160F; /* Nền tối */
  --bg-card: #11271B; /* Nền thẻ */
  --text-main: #F2FFF6; /* Văn bản chính */
  --text-secondary: #A7D9B8; /* Văn bản phụ */
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;

  /* Button gradient */
  --btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-download {
  background-color: var(--bg-dark); /* Nền tổng thể của trang */
  color: var(--text-main); /* Văn bản chính trên nền tối */
  font-family: 'Arial', sans-serif; /* Font cơ bản */
  line-height: 1.6;
}

.page-download h1,
.page-download h2,
.page-download h3 {
  color: var(--gold-color); /* Tiêu đề có thể dùng màu vàng để nổi bật */
  font-weight: bold;
  margin-bottom: 15px;
}

.page-download h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem); /* Responsive H1 size */
  line-height: 1.2;
}

.page-download h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.3;
  text-align: center;
  margin-bottom: 30px;
}

.page-download h3 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.4;
}

.page-download p {
  color: var(--text-secondary); /* Đoạn văn bản phụ */
  margin-bottom: 20px;
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column; /* Đảm bảo hình ảnh ở trên, nội dung ở dưới */
  align-items: center;
  justify-content: center;
  min-height: 500px;
  text-align: center;
  overflow: hidden;
  padding-top: 10px; /* Chỉ một khoảng cách nhỏ từ header, body đã có padding-top */
  padding-bottom: 60px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  max-height: 80vh; /* Giới hạn chiều cao của ảnh hero */
}

.page-download__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.6); /* Nền tối nhẹ để văn bản dễ đọc */
  border-radius: 10px;
  margin-top: 20vh; /* Đẩy nội dung xuống dưới ảnh hero một chút */
}

.page-download__main-title {
  color: var(--gold-color);
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-download__description {
  color: var(--text-main);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.page-download__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Đảm bảo nút xuống dòng trên di động */
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 200px;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: var(--btn-gradient);
  color: #ffffff;
  border: 2px solid var(--primary-color);
  box-shadow: 0 0 15px rgba(17, 168, 78, 0.4);
}

.page-download__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 0 20px rgba(17, 168, 78, 0.6);
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-download__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-download__section-title {
  color: var(--gold-color);
  margin-top: 60px;
  margin-bottom: 20px;
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-download__section-description {
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Benefits Section */
.page-download__benefits-section {
  padding: 80px 0;
  background-color: var(--bg-card); /* Nền tối cho phần này */
  color: var(--text-main);
}

.page-download__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__benefit-card {
  background-color: var(--deep-green); /* Thẻ có nền xanh đậm */
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
}

.page-download__benefit-icon {
  width: 100%; /* Đảm bảo hình ảnh chiếm hết chiều rộng */
  max-width: 150px; /* Giới hạn kích thước biểu tượng */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px; /* Bo tròn ảnh */
}

.page-download__benefit-title {
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-download__benefit-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Download Guide Section */
.page-download__download-guide-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.page-download__guide-cards {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-download__guide-card {
  background-color: var(--bg-card);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.page-download__guide-title {
  color: var(--gold-color);
  margin-bottom: 25px;
}

.page-download__guide-list {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-bottom: 30px;
  counter-reset: step-counter;
}

.page-download__guide-list li {
  color: var(--text-secondary);
  margin-bottom: 15px;
  position: relative;
  padding-left: 25px;
}

.page-download__guide-list li::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  background-color: var(--primary-color);
  color: #ffffff;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

.page-download__qr-code-wrapper {
  margin: 30px auto;
  padding: 15px;
  background-color: #ffffff;
  border-radius: 8px;
  display: inline-block; /* Để mã QR không chiếm hết chiều rộng */
}

.page-download__qr-code {
  width: 100%;
  height: auto;
  max-width: 200px; /* Kích thước tối đa cho QR code */
  display: block;
}

.page-download__btn-small {
  padding: 10px 20px;
  min-width: 150px;
  font-size: 0.9rem;
}

/* App Features Section */
.page-download__app-features-section {
  padding: 80px 0;
  background-color: var(--bg-card);
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.page-download__feature-item {
  background-color: var(--deep-green);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

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

.page-download__feature-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/9; /* Tỷ lệ khung hình cho ảnh tính năng */
}

.page-download__feature-title {
  color: var(--gold-color);
  padding: 20px 20px 10px;
}

.page-download__feature-text {
  color: var(--text-secondary);
  padding: 0 20px 20px;
  font-size: 0.95rem;
}

.page-download__cta-center {
  text-align: center;
  margin-top: 60px;
}

/* Security Section */
.page-download__security-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.page-download__security-list {
  list-style: none;
  padding: 0;
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-download__security-list li {
  background-color: var(--deep-green);
  margin-bottom: 20px;
  padding: 25px;
  border-radius: 10px;
  color: var(--text-secondary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border-left: 5px solid var(--primary-color);
}

.page-download__security-list li strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 5px;
  font-size: 1.1rem;
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--bg-card);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-download__faq-item {
  background-color: var(--deep-green);
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: bold;
  color: var(--text-main);
  font-size: 1.1rem;
  border-bottom: 1px solid var(--divider-color);
}

.page-download__faq-question:hover {
  color: var(--gold-color);
}

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--primary-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
  content: "−";
}

.page-download__faq-answer {
  padding: 0 25px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.page-download__faq-answer p {
  margin-top: 15px;
}

/* Final CTA Section */
.page-download__cta-final-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--bg-dark);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-download__hero-content {
    margin-top: 15vh;
  }
}

@media (max-width: 768px) {
  .page-download__hero-image {
    position: relative;
    max-height: none;
  }

  .page-download__hero-content {
    padding: 30px 15px;
    margin-top: 50px !important; /* Adjusted for mobile to be below the image and not covered by header */
  }

  .page-download__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-download__description {
    font-size: 1rem;
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    margin-top: 40px;
  }

  .page-download__section-description {
    margin-bottom: 30px;
  }

  .page-download__benefits-section,
  .page-download__download-guide-section,
  .page-download__app-features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 50px 0;
  }

  .page-download__benefits-grid,
  .page-download__features-grid {
    grid-template-columns: 1fr;
  }

  .page-download__guide-cards {
    flex-direction: column;
    align-items: center;
  }

  .page-download__guide-card {
    padding: 30px;
  }

  .page-download__guide-list li {
    font-size: 0.9rem;
  }

  .page-download__feature-title {
    font-size: 1.2rem;
  }

  .page-download__feature-text {
    font-size: 0.9rem;
  }

  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-download__faq-answer {
    padding: 0 20px 15px;
  }

  /* Mobile image responsiveness */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important; /* Ensure image width is 100% */
    height: auto !important;
    display: block !important;
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-section,
  .page-download__benefits-section,
  .page-download__download-guide-section,
  .page-download__app-features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section,
  .page-download__qr-code-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}