/* style/khuyen-mai.css */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-dark: #333333;
  --text-light: #ffffff;
  --button-login: #EA7C07;
}

.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--secondary-color); /* Assuming body background is light */
}

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

.page-khuyen-mai__article-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Top Section / Hero */
.page-khuyen-mai__top-section {
  padding-top: 10px; /* Small top padding, assuming body handles header offset */
  padding-bottom: 60px;
  background-color: var(--primary-color);
  color: var(--text-light);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--text-light);
  max-width: 800px;
}

.page-khuyen-mai__intro-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 700px;
  color: var(--text-light);
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin-top: 20px;
}

.page-khuyen-mai__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05em;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-khuyen-mai__btn-primary {
  background-color: var(--button-login);
  color: var(--secondary-color);
  border: 2px solid var(--button-login);
}

.page-khuyen-mai__btn-primary:hover {
  background-color: darken(var(--button-login), 10%);
  border-color: darken(var(--button-login), 10%);
}

.page-khuyen-mai__btn-secondary {
  background-color: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

.page-khuyen-mai__btn--small {
  padding: 10px 20px;
  font-size: 0.95em;
}

/* Content Area */
.page-khuyen-mai__content-area {
  padding: 60px 0;
  background-color: var(--secondary-color);
  color: var(--text-dark);
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 40px;
  margin-bottom: 25px;
  text-align: center;
}

.page-khuyen-mai__sub-title {
  font-size: clamp(1.4em, 2.8vw, 2em);
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 35px;
  margin-bottom: 20px;
}

.page-khuyen-mai__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  line-height: 1.7;
  color: var(--text-dark);
}

.page-khuyen-mai__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.page-khuyen-mai__list-item {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-khuyen-mai__figure {
  margin: 30px auto;
  text-align: center;
  max-width: 680px;
}

.page-khuyen-mai__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
}

.page-khuyen-mai__figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-khuyen-mai__cta-buttons--bottom {
  margin-top: 40px;
  margin-bottom: 20px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 15px;
    line-height: 1.5;
  }

  /* 1. Top Section / Hero */
  .page-khuyen-mai__top-section {
    padding-top: 10px !important; /* Small top padding, assuming body handles header offset */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__intro-text {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

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

  /* 2. Single Column Long Text Container */
  .page-khuyen-mai__content-area {
    padding: 40px 0;
  }

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

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__sub-title {
    font-size: 1.5em;
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__text-block {
    font-size: 1em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__list {
    margin-left: 20px;
  }

  .page-khuyen-mai__list-item {
    font-size: 1em;
  }

  /* 3. General Images and Figure */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__figure {
    margin: 20px auto;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 4. Buttons and Button Containers (already covered in cta-buttons) */
  .page-khuyen-mai__cta-buttons--bottom {
    margin-top: 30px;
    margin-bottom: 10px;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }

  /* 5. Registration Tutorial and FAQ Blocks (General text/image adaptation applies) */
  /* No specific tutorial or FAQ accordion on this page, general text blocks handle it */
}

@media (max-width: 1024px) {
  .page-khuyen-mai__container,
  .page-khuyen-mai__article-wrap {
    padding: 0 30px;
  }

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

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

  .page-khuyen-mai__sub-title {
    font-size: 1.7em;
  }
}