/* style/download.css */

/* Biến CSS */
:root {
  --page-download-primary-bg: #1A202C;
  --page-download-secondary-bg: #F0F0F0; /* Lighter background for contrast */
  --page-download-accent-color: #FFD700;
  --page-download-text-light: #FFFFFF;
  --page-download-text-dark: #1A202C;
  --page-download-text-medium: #5f636b; /* Lighter variation of primary bg for text */
  --page-download-border-color: #3A404C;
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-download-text-dark);
  background-color: var(--page-download-secondary-bg);
}

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

.page-download__section-title {
  font-size: 2.5em;
  color: var(--page-download-primary-bg);
  text-align: center;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.page-download__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--page-download-accent-color);
  border-radius: 2px;
}

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

.page-download__highlight {
  color: var(--page-download-primary-bg);
  font-weight: bold;
}

/* Hero Section */
.page-download__hero-section {
  background: linear-gradient(135deg, var(--page-download-primary-bg) 0%, #3A404C 100%);
  color: var(--page-download-text-light);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-download__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: var(--page-download-accent-color);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-download__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #E0E0E0;
}

.page-download__download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}

.page-download__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download__btn--primary {
  background-color: var(--page-download-accent-color);
  color: var(--page-download-primary-bg);
  border: 2px solid var(--page-download-accent-color);
}

.page-download__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-2px);
}

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

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

.page-download__hero-image-wrapper {
  margin-top: 40px;
}

.page-download__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Why Download Section */
.page-download__why-download {
  padding: 60px 0;
  background-color: var(--page-download-secondary-bg);
}

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

.page-download__feature-item {
  background-color: var(--page-download-text-light);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-download__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,0.1));
}

.page-download__feature-title {
  font-size: 1.4em;
  color: var(--page-download-primary-bg);
  margin-bottom: 10px;
}

.page-download__feature-description {
  color: var(--page-download-text-medium);
  font-size: 0.95em;
}

/* Platforms Section */
.page-download__platforms {
  padding: 60px 0;
  background-color: #EFEFEF;
}

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

.page-download__platform-card {
  background-color: var(--page-download-text-light);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__platform-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-download__platform-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.page-download__card-title {
  font-size: 1.5em;
  color: var(--page-download-primary-bg);
  margin-bottom: 15px;
}

.page-download__card-title a {
  color: var(--page-download-primary-bg);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-download__card-title a:hover {
  color: var(--page-download-accent-color);
}

.page-download__card-description {
  color: var(--page-download-text-medium);
  margin-bottom: 20px;
}

.page-download__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  background-color: var(--page-download-accent-color);
  color: var(--page-download-primary-bg);
  border: 2px solid var(--page-download-accent-color);
}

.page-download__btn--small:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

/* How To Download Section */
.page-download__how-to-download {
  padding: 60px 0;
  background-color: var(--page-download-text-light);
}

.page-download__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
}

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

.page-download__step-number {
  width: 60px;
  height: 60px;
  background-color: var(--page-download-accent-color);
  color: var(--page-download-primary-bg);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-download__step-title {
  font-size: 1.8em;
  color: var(--page-download-primary-bg);
  margin-bottom: 15px;
}

.page-download__step-description {
  color: var(--page-download-text-medium);
  max-width: 700px;
  margin-bottom: 20px;
}

.page-download__step-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download__final-cta {
  font-size: 1.1em;
  text-align: center;
  margin-top: 40px;
  color: var(--page-download-primary-bg);
  font-weight: bold;
}

.page-download__download-buttons--bottom {
  margin-top: 40px;
  margin-bottom: 0;
}

/* Security Tips Section */
.page-download__security-tips {
  padding: 60px 0;
  background-color: #F8F8F8;
}

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

.page-download__safety-list li {
  background-color: var(--page-download-text-light);
  border-left: 5px solid var(--page-download-accent-color);
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  font-size: 1.05em;
  color: var(--page-download-text-dark);
}

.page-download__list-highlight {
  font-weight: bold;
  color: var(--page-download-primary-bg);
}

.page-download__security-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-top: 30px;
}

/* FAQ Section */
.page-download__faq {
  padding: 60px 0;
  background-color: var(--page-download-secondary-bg);
}

.page-download__faq-item {
  background-color: var(--page-download-text-light);
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 20px;
  padding: 20px 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
  font-size: 1.3em;
  color: var(--page-download-primary-bg);
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-download__faq-answer {
  color: var(--page-download-text-medium);
  font-size: 1em;
  line-height: 1.7;
  /* display: none; */ /* Initially hidden, can be toggled with JS */
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-download__hero-title {
    font-size: 2.8em;
  }
  .page-download__hero-description {
    font-size: 1.1em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__features-grid, .page-download__platform-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-download__step-title {
    font-size: 1.5em;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 60px 0;
  }
  .page-download__hero-title {
    font-size: 2.2em;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__download-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__btn {
    width: 80%;
    margin: 0 auto;
  }
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__section-intro {
    font-size: 0.95em;
  }
  .page-download__features-grid, .page-download__platform-grid {
    grid-template-columns: 1fr;
  }
  .page-download__step-item {
    padding: 0 10px;
  }
  .page-download__step-number {
    width: 50px;
    height: 50px;
    font-size: 1.8em;
  }
  .page-download__step-title {
    font-size: 1.3em;
  }
  .page-download__faq-question {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 1.8em;
  }
  .page-download__btn {
    width: 90%;
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-download__section-title {
    font-size: 1.5em;
  }
}