/* style/blog-huong-dan-dang-ky-kinh88.css */
:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --card-bg-color: #FFFFFF;
  --page-bg-color: #F5F7FA;
  --text-main-color: #333333;
  --border-color: #E0E0E0;
}

.page-blog-huong-dan-dang-ky-kinh88 {
  font-family: 'Arial', sans-serif;
  color: var(--text-main-color); /* Assume light body background from shared.css */
  background-color: var(--page-bg-color);
  line-height: 1.6;
}

.page-blog-huong-dan-dang-ky-kinh88__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-blog-huong-dan-dang-ky-kinh88__hero-section {
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
  padding-bottom: 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
}

.page-blog-huong-dan-dang-ky-kinh88__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-dang-ky-kinh88__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-dang-ky-kinh88__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-kinh88__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1.05em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-kinh88__btn--primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog-huong-dan-dang-ky-kinh88__btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-kinh88__btn--secondary {
  background: #ffffff;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-blog-huong-dan-dang-ky-kinh88__btn--secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-kinh88__content-section {
  padding: 60px 0;
}

.page-blog-huong-dan-dang-ky-kinh88__article-wrap {
  max-width: 900px;
  background-color: var(--card-bg-color);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.page-blog-huong-dan-dang-ky-kinh88__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 40px;
  margin-bottom: 25px;
  line-height: 1.3;
}

.page-blog-huong-dan-dang-ky-kinh88__article h2:first-of-type {
  margin-top: 0;
}

.page-blog-huong-dan-dang-ky-kinh88__article p {
  margin-bottom: 1em;
  font-size: 1.05em;
  color: var(--text-main-color);
}

.page-blog-huong-dan-dang-ky-kinh88__article ul {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 1.5em;
  color: var(--text-main-color);
}

.page-blog-huong-dan-dang-ky-kinh88__article ul li {
  margin-bottom: 0.5em;
  font-size: 1.05em;
}

.page-blog-huong-dan-dang-ky-kinh88__info-card,
.page-blog-huong-dan-dang-ky-kinh88__warning-card,
.page-blog-huong-dan-dang-ky-kinh88__promo-box {
  background-color: #fcfcfc;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.page-blog-huong-dan-dang-ky-kinh88__info-card h3,
.page-blog-huong-dan-dang-ky-kinh88__warning-card h3,
.page-blog-huong-dan-dang-ky-kinh88__promo-box h3 {
  color: var(--primary-color);
  font-size: 1.5em;
  margin-top: 20px;
  margin-bottom: 15px;
}

.page-blog-huong-dan-dang-ky-kinh88__figure {
  margin: 25px 0;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-kinh88__figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-kinh88__figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-blog-huong-dan-dang-ky-kinh88__tutorial-step-title {
  font-size: 1.8em;
  color: var(--secondary-color);
  margin-top: 35px;
  margin-bottom: 15px;
}

.page-blog-huong-dan-dang-ky-kinh88__promo-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-top: 25px;
  margin-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-list {
  margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid var(--border-color);
  list-style: none; /* For details/summary */
}

.page-blog-huong-dan-dang-ky-kinh88__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-item[open] .page-blog-huong-dan-dang-ky-kinh88__faq-question {
  border-bottom: 1px solid transparent;
  background-color: #f0f0f0;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.page-blog-huong-dan-dang-ky-kinh88__faq-item[open] .page-blog-huong-dan-dang-ky-kinh88__faq-toggle {
  transform: rotate(45deg);
}

.page-blog-huong-dan-dang-ky-kinh88__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1.0em;
  color: var(--text-main-color);
  background-color: var(--card-bg-color);
}

.page-blog-huong-dan-dang-ky-kinh88__cta-buttons--bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px dashed var(--border-color);
}

/* --- Responsive Styles --- */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-kinh88__main-title {
    font-size: clamp(1.8em, 5vw, 2.8em);
  }

  .page-blog-huong-dan-dang-ky-kinh88__hero-description {
    font-size: 1em;
  }

  .page-blog-huong-dan-dang-ky-kinh88__article-wrap {
    padding: 30px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__section-title {
    font-size: 1.8em;
  }

  .page-blog-huong-dan-dang-ky-kinh88__info-card,
  .page-blog-huong-dan-dang-ky-kinh88__warning-card,
  .page-blog-huong-dan-dang-ky-kinh88__promo-box {
    padding: 25px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__info-card h3,
  .page-blog-huong-dan-dang-ky-kinh88__warning-card h3,
  .page-blog-huong-dan-dang-ky-kinh88__promo-box h3 {
    font-size: 1.3em;
  }

  .page-blog-huong-dan-dang-ky-kinh88__tutorial-step-title {
    font-size: 1.6em;
  }

  .page-blog-huong-dan-dang-ky-kinh88__faq-question {
    font-size: 1.05em;
    padding: 15px 20px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__faq-answer {
    padding: 12px 20px 15px;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  .page-blog-huong-dan-dang-ky-kinh88 {
    font-size: 16px;
    line-height: 1.6;
  }

  /* 1. Top section (title + CTA) */
  .page-blog-huong-dan-dang-ky-kinh88__hero-section {
    padding-top: 10px !important; /* Small top padding, not header-offset */
    padding-bottom: 30px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__main-title {
    font-size: clamp(1.5em, 7vw, 2.2em);
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__hero-description {
    font-size: 0.95em;
    margin-bottom: 25px;
    padding: 0 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  /* 4. Buttons and button containers */
  .page-blog-huong-dan-dang-ky-kinh88__btn,
  .page-blog-huong-dan-dang-ky-kinh88__btn--primary,
  .page-blog-huong-dan-dang-ky-kinh88__btn--secondary,
  .page-blog-huong-dan-dang-ky-kinh88 a[class*="button"],
  .page-blog-huong-dan-dang-ky-kinh88 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-left: 15px;
    padding-right: 15px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__cta-buttons,
  .page-blog-huong-dan-dang-ky-kinh88__button-group,
  .page-blog-huong-dan-dang-ky-kinh88__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; /* Ensure vertical stacking for multiple buttons */
  }

  /* 2. Single column long text containers */
  .page-blog-huong-dan-dang-ky-kinh88__content-section {
    padding: 40px 0;
  }

  .page-blog-huong-dan-dang-ky-kinh88__article-wrap {
    padding: 20px;
    border-radius: 0;
    box-shadow: none;
  }

  .page-blog-huong-dan-dang-ky-kinh88__container {
    padding: 0;
  }

  .page-blog-huong-dan-dang-ky-kinh88__section-title {
    font-size: 1.6em;
    margin-top: 30px;
    margin-bottom: 20px;
    padding: 0 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__article p,
  .page-blog-huong-dan-dang-ky-kinh88__article ul li {
    font-size: 1em;
    padding: 0 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__article ul {
    margin-left: 35px;
    padding-right: 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__info-card,
  .page-blog-huong-dan-dang-ky-kinh88__warning-card,
  .page-blog-huong-dan-dang-ky-kinh88__promo-box {
    padding: 20px;
    margin: 0 10px 25px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__info-card h3,
  .page-blog-huong-dan-dang-ky-kinh88__warning-card h3,
  .page-blog-huong-dan-dang-ky-kinh88__promo-box h3 {
    font-size: 1.2em;
    margin-top: 15px;
    margin-bottom: 10px;
  }

  /* 3. General images and figure */
  .page-blog-huong-dan-dang-ky-kinh88 img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-blog-huong-dan-dang-ky-kinh88__figure {
    margin: 20px 0;
    padding: 0 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__figcaption {
    padding: 0 10px;
  }

  /* 5. Registration tutorial and FAQ blocks */
  .page-blog-huong-dan-dang-ky-kinh88__tutorial-step-title {
    font-size: 1.4em;
    margin-top: 25px;
    margin-bottom: 10px;
    padding: 0 10px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__faq-item {
    margin: 0 10px 15px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__faq-question {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__faq-answer {
    padding: 10px 20px 15px;
  }

  .page-blog-huong-dan-dang-ky-kinh88__cta-buttons--bottom {
    margin-top: 30px;
    padding-top: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }
}