/* style/index.css */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-button-color: #EA7C07;
  --background-color: #FFFFFF;
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --warning-red: #ff4141;
  --promo-box-bg: #fffbe6;
  --promo-box-border: #111;
  --info-card-bg: #f9f9f9;
  --info-card-border: #ddd;
}

.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color-dark); /* Default text color for light body background */
  background-color: var(--background-color);
}

.page-index__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-index__section {
  padding: 40px 0;
  text-align: justify;
}

.page-index__top-section {
  padding-top: 10px; /* Small top padding, header offset handled by body */
  text-align: center;
  padding-bottom: 20px;
}

.page-index__page-title {
  font-size: clamp(2.2em, 4vw, 2.8em); /* Responsive H1 font size */
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-index__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  min-height: 44px;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons don't overflow */
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word;
}

.page-index__btn--primary {
  background-color: #0066ff; /* Specific blue for primary CTA */
  color: var(--text-color-light);
  border: 2px solid #0066ff;
}

.page-index__btn--primary:hover {
  background-color: #0056e6;
  border-color: #0056e6;
}

.page-index__btn--secondary {
  background-color: var(--secondary-color);
  color: #0066ff; /* Specific blue for secondary CTA text */
  border: 2px solid #0066ff;
}

.page-index__btn--secondary:hover {
  background-color: #f0f0f0;
}

.page-index__btn--danger {
  background-color: #d62828; /* Specific red for danger/promo CTA */
  color: var(--text-color-light);
  border: 2px solid #d62828;
}

.page-index__btn--danger:hover {
  background-color: #c02323;
  border-color: #c02323;
}

.page-index__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em); /* Responsive H2 font size */
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__icon {
  margin-right: 10px;
}

.page-index__announcement-section p,
.page-index__announcement-section ol,
.page-index__brand-overview-section p,
.page-index__brand-overview-section ul,
.page-index__seo-content-section p,
.page-index__seo-content-section ul,
.page-index__seo-content-section ol,
.page-index__registration-tutorial-section p,
.page-index__registration-tutorial-section ul,
.page-index__faq-contact-section p,
.page-index__faq-contact-section ul {
  margin-bottom: 15px;
  text-align: justify;
}

.page-index__announcement-section ol,
.page-index__brand-overview-section ul,
.page-index__seo-content-section ul,
.page-index__seo-content-section ol,
.page-index__registration-tutorial-section ul,
.page-index__faq-contact-section ul {
  padding-left: 25px;
}

.page-index__emphasis-text {
  font-style: italic;
  color: #ed1c24; /* Emphasized red text */
  text-align: center;
  font-weight: bold;
  margin-top: 20px;
}

.page-index__emphasis-text a {
  color: #0066ff;
  text-decoration: underline;
}

.page-index__fact-list {
  list-style: none;
  padding-left: 0;
}

.page-index__fact-list li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 25px;
}

.page-index__fact-list li::before {
  content: '✓';
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-index__info-card {
  background-color: var(--info-card-bg);
  border: 1px solid var(--info-card-border);
  border-radius: 8px;
  padding: 25px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.page-index__info-card ul {
  list-style: disc;
  padding-left: 20px;
}

.page-index__info-card p:last-child {
  margin-bottom: 0;
}

.page-index__warning-card {
  background-color: #fff4f4; /* Light red background */
  border-left: 5px solid var(--warning-red);
  border-radius: 0 8px 8px 0;
  padding: 20px;
  margin-bottom: 30px;
  color: var(--text-color-dark);
}

.page-index__warning-card strong {
  color: var(--warning-red);
}

.page-index__seo-content-section h2,
.page-index__seo-content-section h3 {
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__seo-content-section h2 {
  font-size: clamp(1.6em, 3vw, 2.2em);
  text-align: center;
}

.page-index__seo-content-section h3 {
  font-size: clamp(1.3em, 2.5vw, 1.8em);
  text-align: left;
}

.page-index__seo-content-section a {
  color: #0066ff;
  text-decoration: underline;
}

.page-index__wp-caption {
  margin: 25px auto;
  text-align: center;
  max-width: 680px; /* Max width for content images */
  box-sizing: border-box;
}

.page-index__wp-caption img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.page-index__wp-caption figcaption {
  font-style: italic;
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-index__seo-content-section blockquote {
  border-left: 4px solid var(--primary-color);
  padding: 15px 20px;
  margin: 30px 0;
  background-color: #f5f5f5;
  font-style: italic;
  color: #555;
  border-radius: 4px;
}

.page-index__seo-content-section blockquote cite {
  display: block;
  text-align: right;
  margin-top: 10px;
  font-style: normal;
  font-weight: bold;
  color: var(--primary-color);
}

.page-index__promo-box {
  background-color: var(--promo-box-bg);
  border: 2px dashed var(--promo-box-border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  margin: 40px auto;
  max-width: 800px;
  box-sizing: border-box;
}

.page-index__promo-title {
  font-size: clamp(1.5em, 3vw, 2em);
  color: #d62828; /* Red for promo title */
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__promo-box ul {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
}

.page-index__promo-box ul li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 30px;
  text-align: left;
  font-size: 1.05em;
}

.page-index__promo-box ul li::before {
  content: '⭐';
  position: absolute;
  left: 0;
  top: 0;
}

.page-index__registration-tutorial-section h3 {
  font-size: clamp(1.4em, 2.7vw, 1.9em);
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__step-by-step {
  counter-reset: step-counter;
}

.page-index__step-by-step h3 {
  position: relative;
  padding-left: 40px;
}

.page-index__step-by-step h3::before {
  counter-increment: step-counter;
  content: "Bước " counter(step-counter) ": ";
  position: absolute;
  left: 0;
  color: #0066ff;
  font-weight: bold;
}

.page-index__faq-item {
  margin-bottom: 20px;
}

.page-index__faq-question {
  font-size: 1.2em;
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 10px;
}

.page-index__faq-answer p {
  margin-bottom: 10px;
}

.page-index__faq-contact-section .page-index__contact-intro {
  text-align: center;
  margin-top: 30px;
  font-size: 1.1em;
}

.page-index__contact-info {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  text-align: center;
}

.page-index__contact-info li {
  margin-bottom: 10px;
}

.page-index__contact-info a {
  color: #0066ff;
  text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-index__article-wrap {
    padding: 0 15px;
  }

  .page-index__section {
    padding: 30px 0;
  }

  .page-index__page-title {
    font-size: 2.5em;
  }

  .page-index__section-title {
    font-size: 2.2em;
  }

  .page-index__seo-content-section h2 {
    font-size: 1.9em;
  }

  .page-index__seo-content-section h3 {
    font-size: 1.6em;
  }

  .page-index__btn {
    padding: 10px 25px;
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  .page-index__article-wrap {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__section {
    padding: 20px 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__top-section {
    padding-top: 10px !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__page-title {
    font-size: 2em !important;
    margin-bottom: 10px !important;
  }

  .page-index__description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
    text-align: left !important;
  }

  .page-index__top-cta {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-index__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    font-size: 1em !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-index__section-title {
    font-size: 1.5em !important;
    margin-bottom: 20px !important;
    text-align: left !important;
  }

  .page-index__announcement-section p,
  .page-index__announcement-section ol,
  .page-index__brand-overview-section p,
  .page-index__brand-overview-section ul,
  .page-index__seo-content-section p,
  .page-index__seo-content-section ul,
  .page-index__seo-content-section ol,
  .page-index__registration-tutorial-section p,
  .page-index__registration-tutorial-section ul,
  .page-index__faq-contact-section p,
  .page-index__faq-contact-section ul {
    text-align: left !important;
    padding-left: 15px !important; /* Adjust for smaller screens */
    padding-right: 15px !important;
  }

  .page-index__emphasis-text {
    font-size: 0.95em !important;
    text-align: left !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__fact-list li,
  .page-index__promo-box ul li {
    padding-left: 25px !important;
    text-align: left !important;
  }

  .page-index__info-card,
  .page-index__warning-card,
  .page-index__promo-box {
    padding: 15px !important;
    margin-left: 15px !important;
    margin-right: 15px !important;
    max-width: calc(100% - 30px) !important;
    box-sizing: border-box !important;
  }

  .page-index__warning-card {
    border-radius: 4px !important;
  }

  .page-index__seo-content-section h2 {
    font-size: 1.3em !important;
    text-align: left !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__seo-content-section h3 {
    font-size: 1.15em !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index img,
  .page-index__wp-caption img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
    border-radius: 4px !important;
  }

  .page-index__wp-caption {
    margin-left: 15px !important;
    margin-right: 15px !important;
    max-width: calc(100% - 30px) !important;
    box-sizing: border-box !important;
  }

  .page-index__wp-caption figcaption {
    font-size: 0.85em !important;
    padding: 0 5px !important;
  }

  .page-index__seo-content-section blockquote {
    padding: 10px 15px !important;
    margin-left: 15px !important;
    margin-right: 15px !important;
    max-width: calc(100% - 30px) !important;
    box-sizing: border-box !important;
  }

  .page-index__promo-title {
    font-size: 1.4em !important;
  }

  .page-index__promo-box ul {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__registration-tutorial-section h3 {
    font-size: 1.2em !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__step-by-step h3::before {
    font-size: 1em !important;
    top: 2px !important;
  }

  .page-index__faq-question {
    font-size: 1.1em !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__faq-answer p {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-index__contact-intro,
  .page-index__contact-info {
    text-align: left !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-index__contact-info li {
    text-align: left !important;
  }
}