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

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

.page-download {
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main);
  background-color: var(--color-bg-dark);
  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;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ thôi, body đã có padding-top */
  background-color: var(--color-deep-green);
  text-align: center;
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
  order: 1;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
  order: 2;
  max-width: 900px;
  z-index: 1;
  position: relative;
  color: var(--color-text-main);
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.page-download__description {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  padding: 14px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-sizing: border-box;
}

.page-download__btn-primary {
  background: var(--btn-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-download__btn-secondary {
  background-color: var(--color-card-bg);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.2);
}

.page-download__btn-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.4);
}

.page-download__benefits-section,
.page-download__download-steps-section,
.page-download__features-section,
.page-download__security-section,
.page-download__faq-section,
.page-download__cta-final-section {
  padding: 80px 0;
  text-align: center;
}

.page-download__benefits-section,
.page-download__features-section,
.page-download__faq-section {
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
}

.page-download__download-steps-section,
.page-download__security-section,
.page-download__cta-final-section {
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--color-gold);
  margin-bottom: 40px;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-download__text-block {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

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

.page-download__card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.page-download__card-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-download__card-title,
.page-download__step-title,
.page-download__feature-card h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-download__platform-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 15px;
}

.page-download__tab-button {
  background-color: var(--color-card-bg);
  color: var(--color-text-secondary);
  padding: 12px 25px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  border: 1px solid var(--color-border);
}

.page-download__tab-button.active,
.page-download__tab-button:hover {
  background: var(--btn-gradient);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(34, 199, 104, 0.3);
}

.page-download__tab-content {
  display: none;
}

.page-download__tab-content.active {
  display: block;
}

.page-download__subsection-title {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 30px;
  font-weight: 600;
}

.page-download__step-card {
  text-align: left;
  padding: 25px;
}

.page-download__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: var(--btn-gradient);
  color: #ffffff;
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(34, 199, 104, 0.4);
}

.page-download__download-button-bottom {
  margin-top: 40px;
  display: inline-block;
}

.page-download__note-block {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  margin-top: 60px;
  text-align: left;
  border: 1px solid var(--color-border);
}

.page-download__note-block h3 {
  color: var(--color-gold);
  margin-bottom: 20px;
}

.page-download__note-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-download__note-block li {
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
}

.page-download__note-block li::before {
  content: '✓';
  color: var(--color-glow);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-download__security-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 0 auto;
  max-width: 800px;
  text-align: left;
}

.page-download__security-list li {
  color: var(--color-text-main);
  margin-bottom: 15px;
  padding-left: 40px;
  position: relative;
  font-size: 1.05rem;
}

.page-download__security-list li i {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.5rem;
  color: var(--color-glow);
}

/* Placeholder for simple icons, if needed. Ensure they meet min size if they are images. */
.page-download__icon {
  display: inline-block;
  width: 24px; /* Minimal size, assume these are font icons or generated larger */
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  vertical-align: middle;
}

/* Example icon styles (font-based recommended for small icons) */
.page-download__icon--lock::before { content: '\1F512'; /* Unicode lock */ }
.page-download__icon--shield::before { content: '\1F6E1'; /* Unicode shield */ }
.page-download__icon--check::before { content: '\2705'; /* Unicode check mark */ }
.page-download__icon--secure::before { content: '\1F510'; /* Unicode key */ }
/* Ensure these are rendered as font icons or replaced by larger images */

.page-download__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-download__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--color-text-main);
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-primary);
  list-style: none; /* Hide default marker */
}

.page-download__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker for Webkit */
}

.page-download__faq-qtext {
  flex-grow: 1;
}

.page-download__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-gold);
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-download__cta-final-section {
  padding-bottom: 80px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-section {
    padding: 40px 20px;
  }

  .page-download__benefits-section,
  .page-download__download-steps-section,
  .page-download__features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 60px 0;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }

  .page-download__section-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
  }

  .page-download__card-title,
  .page-download__step-title {
    font-size: 1.25rem;
  }
}

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

  .page-download__hero-section {
    padding: 30px 15px;
    padding-top: 10px !important;
  }

  .page-download__hero-image-wrapper {
    margin-bottom: 20px;
  }

  .page-download__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__benefits-section,
  .page-download__download-steps-section,
  .page-download__features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 40px 0;
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 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,
  .page-download a[class*="button"],
  .page-download a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
  }

  .page-download__container {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 30px;
  }

  .page-download__text-block {
    margin-bottom: 30px;
  }

  .page-download__benefits-grid,
  .page-download__step-grid,
  .page-download__features-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-download__card {
    padding: 25px;
  }

  .page-download__card-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__card-title,
  .page-download__step-title {
    font-size: 1.15rem;
  }

  .page-download__platform-tabs {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__tab-button {
    width: 100%;
  }

  .page-download__subsection-title {
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 20px;
  }

  .page-download__note-block,
  .page-download__security-list,
  .page-download__faq-list {
    margin-top: 30px;
  }

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

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

  .page-download__video-section {
    padding-top: 10px !important;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-download__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
  }

  .page-download__section-title {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
  }

  .page-download__card-title,
  .page-download__step-title {
    font-size: 1.05rem;
  }
}

/* Ensure images within content sections are not smaller than 200px */
.page-download img:not(.page-download__icon) {
  min-width: 200px;
  min-height: 200px;
}

/* Override for icon font to prevent min-width affecting it */
.page-download__icon {
  min-width: unset;
  min-height: unset;
}