.page-download {
  background-color: #08160F; /* Nền chung của trang */
  color: #F2FFF6; /* Màu chữ chính trên nền tối */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  padding-top: 10px; /* Nhỏ hơn so với header offset */
  text-align: center;
  overflow: hidden;
  background-color: #11271B; /* Nền tối cho hero */
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.page-download__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-download__hero-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Sử dụng clamp cho responsive H1 */
  font-weight: bold;
  color: #F2C14E; /* Màu vàng Gold cho tiêu đề chính */
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.page-download__hero-description {
  font-size: 1.1rem;
  color: #F2FFF6;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-download__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-download__cta-button--primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff; /* Luôn dùng trắng cho chữ trên nút chính */
  border: 2px solid transparent;
}

.page-download__cta-button--primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-3px);
}

.page-download__cta-button--secondary {
  background-color: transparent;
  color: #57E38D; /* Màu Glow cho nút phụ */
  border: 2px solid #57E38D;
}

.page-download__cta-button--secondary:hover {
  background-color: #57E38D;
  color: #11271B; /* Màu nền Card BG khi hover */
  transform: translateY(-3px);
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: #F2C14E; /* Màu vàng Gold cho các tiêu đề phần */
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-download__section-description {
  font-size: 1rem;
  color: #A7D9B8; /* Màu Text Secondary */
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-download__section-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
  object-fit: cover;
}

.page-download__why-download-section,
.page-download__how-to-install-section,
.page-download__features-section,
.page-download__security-section,
.page-download__faq-section,
.page-download__cta-bottom-section {
  padding: 80px 0;
  background-color: #08160F; /* Nền chính các phần */
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-item {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__feature-title {
  font-size: 1.5rem;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1rem;
}

.page-download__platform-guide {
  margin-bottom: 60px;
  padding: 40px;
  background-color: #11271B; /* Card BG */
  border-radius: 12px;
  border: 1px solid #2E7A4E; /* Border */
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-download__platform-title {
  font-size: 2rem;
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-download__platform-intro {
  font-size: 1.1rem;
  color: #F2FFF6; /* Text Main */
  text-align: center;
  margin-bottom: 30px;
}

.page-download__install-steps {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
}

.page-download__step-item {
  background-color: #0A4B2C; /* Deep Green */
  padding: 25px;
  margin-bottom: 20px;
  border-radius: 10px;
  position: relative;
  padding-left: 70px;
  border: 1px solid #2E7A4E;
}

.page-download__step-item::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  background-color: #F2C14E; /* Gold */
  color: #11271B; /* Card BG */
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.3rem;
}

.page-download__step-title {
  font-size: 1.3rem;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 10px;
}

.page-download__step-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1rem;
}

.page-download__step-text a {
  color: #57E38D; /* Glow */
  text-decoration: underline;
}

.page-download__step-text a:hover {
  color: #F2C14E; /* Gold */
}

.page-download__platform-image {
  margin-top: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
  object-fit: cover;
}

.page-download__grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-card {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__feature-card-title {
  font-size: 1.5rem;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-card-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1rem;
}

.page-download__security-item {
  background-color: #0A4B2C; /* Deep Green */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid #2E7A4E; /* Border */
}

.page-download__security-title {
  font-size: 1.5rem;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__security-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1rem;
}

.page-download__faq-list {
  margin-top: 40px;
}

.page-download__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  background-color: #0A4B2C; /* Deep Green */
  user-select: none;
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: #13994A; /* Hơi sáng hơn Deep Green */
}

.page-download__faq-question::-webkit-details-marker, /* Hide default marker for Chrome */
.page-download__faq-question::marker { /* Hide default marker for Firefox */
  display: none;
}

.page-download__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #F2C14E; /* Gold */
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg); /* Thay đổi dấu + thành X hoặc - */
  content: '−';
}

.page-download__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
  background-color: #11271B; /* Card BG */
}

.page-download__cta-bottom-section {
  text-align: center;
  padding-bottom: 80px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }
  .page-download__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  }
}

@media (max-width: 768px) {
  .page-download {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__container {
    padding: 0 15px;
  }

  .page-download__hero-section {
    padding: 40px 0;
    padding-top: 10px !important;
  }

  .page-download__hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__hero-description {
    font-size: 0.95rem;
  }

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

  .page-download__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__why-download-section,
  .page-download__how-to-install-section,
  .page-download__features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-bottom-section {
    padding: 40px 0;
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .page-download__section-description {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  .page-download__features-grid,
  .page-download__grid-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-item,
  .page-download__platform-guide,
  .page-download__feature-card,
  .page-download__security-item,
  .page-download__faq-item {
    padding: 20px;
    border-radius: 8px;
  }

  .page-download__feature-title,
  .page-download__platform-title,
  .page-download__feature-card-title,
  .page-download__security-title {
    font-size: 1.3rem;
  }

  .page-download__feature-text,
  .page-download__platform-intro,
  .page-download__step-text,
  .page-download__feature-card-text,
  .page-download__security-text,
  .page-download__faq-answer {
    font-size: 0.9rem;
  }

  .page-download__step-item {
    padding-left: 60px;
  }

  .page-download__step-item::before {
    width: 35px;
    height: 35px;
    font-size: 1.1rem;
    left: 15px;
  }

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

  .page-download__faq-toggle {
    font-size: 1.5rem;
  }
  
  /* Mandatory image responsive styles */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    min-width: unset !important; /* Allow images to shrink below 200px on mobile if needed for layout */
    min-height: unset !important;
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__hero-image-wrapper,
  .page-download__platform-guide,
  .page-download__cta-bottom-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-download__platform-image,
  .page-download__section-image {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: clamp(1.5rem, 8vw, 2.2rem);
  }
  .page-download__section-title {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
  }
  .page-download__cta-button {
    font-size: 0.95rem;
    padding: 10px 15px;
  }
}