/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các section đầu tiên */

.page-download {
  font-family: Arial, sans-serif;
  color: var(--text-main); /* Sử dụng Text Main */
  background: var(--background); /* Sử dụng Background */
  line-height: 1.6;
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column; /* Image above text */
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ thôi, body đã có padding-top */
  text-align: center;
  overflow: hidden; /* Ensure content doesn't overflow */
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1920px; /* Max width for image */
  margin-bottom: 30px; /* Space between image and content */
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.page-download__hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.page-download__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive font size */
  font-weight: bold;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap; /* Allow wrapping on small screens */
  gap: 20px;
  justify-content: center;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 200px;
  box-sizing: border-box; /* Crucial for responsive buttons */
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word; /* Allow text wrap */
}

.page-download__btn-primary {
  background: var(--button-gradient); /* Sử dụng Button Gradient */
  color: var(--text-main); /* Text Main for button text */
  border: 2px solid transparent;
}

.page-download__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background: var(--card-bg); /* Sử dụng Card BG làm nền phụ */
  color: var(--text-main); /* Text Main */
  border: 2px solid var(--border); /* Sử dụng Border */
}

.page-download__btn-secondary:hover {
  background: var(--deep-green); /* Deep Green on hover */
  transform: translateY(-2px);
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: bold;
  color: var(--gold); /* Gold for titles */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-download__section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Advantages Section */
.page-download__advantages-section {
  background: var(--deep-green); /* Deep Green for this section */
  padding: 60px 0;
}

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

.page-download__card {
  background: var(--card-bg); /* Card BG */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  color: var(--text-main); /* Text Main */
}

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

.page-download__card-image {
  width: 100%; /* Make image fill card width */
  max-width: 400px; /* Recommended size for card images */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-height: 200px; /* Min size requirement */
}

.page-download__card-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--gold); /* Gold for card titles */
  margin-bottom: 15px;
}

.page-download__card-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Download Guide Section */
.page-download__how-to-download-section {
  padding: 60px 0;
}

.page-download__download-guide {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.page-download__guide-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-download__guide-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: bold;
  color: var(--glow); /* Glow for guide titles */
  margin-bottom: 25px;
}

.page-download__guide-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  width: 100%;
}

.page-download__guide-image {
  width: 100%;
  max-width: 800px; /* Recommended size for guide images */
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  min-height: 200px; /* Min size requirement */
}

.page-download__guide-list {
  list-style: none;
  padding: 0;
  text-align: left;
  max-width: 700px;
  width: 100%;
  counter-reset: guide-step;
}

.page-download__guide-list li {
  position: relative;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  padding-left: 35px;
}

.page-download__guide-list li::before {
  counter-increment: guide-step;
  content: counter(guide-step);
  position: absolute;
  left: 0;
  top: 0;
  background: var(--glow); /* Glow for step numbers */
  color: var(--card-bg); /* Text color on glow */
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.page-download__guide-list li a {
  color: var(--glow); /* Glow for links */
  text-decoration: none;
}

.page-download__guide-list li a:hover {
  text-decoration: underline;
}

/* Features Section */
.page-download__features-section {
  background: var(--card-bg); /* Card BG for features section */
  padding: 60px 0;
}

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

.page-download__feature-item {
  background: var(--deep-green); /* Deep Green for feature items */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-main);
}

.page-download__feature-icon {
  width: 100%; /* Make image fill item width */
  max-width: 600px; /* Recommended size for feature images */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-height: 200px; /* Min size requirement */
}

.page-download__feature-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--gold); /* Gold for feature titles */
  margin-bottom: 10px;
}

.page-download__feature-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Why Choose Section */
.page-download__why-choose-section {
  padding: 60px 0;
}

.page-download__why-choose-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-download__why-choose-list li {
  position: relative;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  padding-left: 30px;
}

.page-download__why-choose-list li::before {
  content: "✅"; /* Checkmark icon */
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.2rem;
  color: var(--glow); /* Glow for checkmark */
}

.page-download__list-highlight {
  color: var(--text-main); /* Text Main for highlights */
}

.page-download__cta-bottom {
  text-align: center;
}

/* FAQ Section */
.page-download__faq-section {
  background: var(--card-bg); /* Card BG for FAQ section */
  padding: 60px 0;
}

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

.page-download__faq-item {
  background: var(--deep-green); /* Deep Green for FAQ items */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-main); /* Text Main */
  cursor: pointer;
  background: var(--deep-green); /* Deep Green */
  border-bottom: 1px solid var(--divider); /* Divider */
}

.page-download__faq-question:hover {
  background: var(--deep-green); /* Slight darker on hover */
}

.page-download__faq-qtext {
  flex-grow: 1;
  color: var(--text-main);
}

.page-download__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--glow); /* Glow for toggle icon */
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-download__faq-item.active .page-download__faq-toggle {
  transform: rotate(45deg); /* Rotate for 'x' or '−' */
}

.page-download__faq-answer {
  padding: 0 25px;
  font-size: 1rem;
  color: var(--text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px; /* Sufficiently large to show full content */
  padding: 20px 25px 25px;
}

.page-download__faq-answer p {
  margin: 0;
}

/* Final CTA Section */
.page-download__cta-final-section {
  padding: 60px 0;
  text-align: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }
  .page-download__description {
    font-size: 1.1rem;
  }
  .page-download__section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
  }
  .page-download__card-title {
    font-size: 1.3rem;
  }
  .page-download__guide-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
  }
  .page-download__feature-title {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body already handles header offset */
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }
  .page-download__description {
    font-size: 1rem;
  }

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

  .page-download__btn-primary,
  .page-download__btn-secondary {
    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;
  }

  .page-download__container,
  .page-download__advantages-section .page-download__container,
  .page-download__how-to-download-section .page-download__container,
  .page-download__features-section .page-download__container,
  .page-download__why-choose-section .page-download__container,
  .page-download__faq-section .page-download__container,
  .page-download__cta-final-section .page-download__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Images responsive */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Image containers responsive */
  .page-download__hero-image-wrapper,
  .page-download__card,
  .page-download__guide-item,
  .page-download__feature-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-download__download-guide {
    gap: 30px;
  }

  .page-download__guide-content {
    flex-direction: column;
  }

  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-download__faq-answer {
    padding: 0 20px;
  }
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px 20px 20px;
  }
}

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