/* style/lich-thi-dau.css */
:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-color: #C30808;
  --login-button-color: #C30808;
  --background-color: #FFFFFF;
  --register-login-font-color: #FFFF00;
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --border-color: #e0e0e0;
}

.page-lich-thi-dau {
  font-family: 'Arial', sans-serif;
  color: var(--text-color-dark); /* Body background is white, so dark text */
  line-height: 1.6;
  background-color: var(--background-color);
}

.page-lich-thi-dau__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.page-lich-thi-dau__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height for hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-lich-thi-dau__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-lich-thi-dau__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-top: 20px;
  padding: 0 20px;
}

.page-lich-thi-dau__main-title {
  font-size: clamp(2em, 4vw, 3.2em); /* Responsive font size */
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: 700;
}

.page-lich-thi-dau__hero-description {
  font-size: 1.1em;
  color: var(--text-color-dark);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-lich-thi-dau__hero-cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-lich-thi-dau__btn-primary,
.page-lich-thi-dau__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  min-width: 150px;
}

.page-lich-thi-dau__btn-primary {
  background-color: var(--register-button-color);
  color: var(--register-login-font-color);
  border: 2px solid var(--register-button-color);
}

.page-lich-thi-dau__btn-primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-lich-thi-dau__btn-secondary {
  background-color: var(--login-button-color);
  color: var(--register-login-font-color);
  border: 2px solid var(--login-button-color);
}

.page-lich-thi-dau__btn-secondary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-lich-thi-dau__section {
  padding: 50px 0;
  background-color: var(--background-color);
}

.page-lich-thi-dau__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-lich-thi-dau__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-lich-thi-dau__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  color: var(--text-color-dark);
  text-align: justify;
}

.page-lich-thi-dau__highlight {
  color: var(--primary-color);
  font-weight: 700;
}

.page-lich-thi-dau__grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-lich-thi-dau__grid-item {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-lich-thi-dau__sub-title {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-lich-thi-dau__figure {
  margin: 0 0 20px 0;
  width: 100%;
  max-width: 680px; /* Max width for blog images */
}

.page-lich-thi-dau__figure--full-width {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-lich-thi-dau__figure--app-download {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.page-lich-thi-dau__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-lich-thi-dau__figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-lich-thi-dau__step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-lich-thi-dau__step-item {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.page-lich-thi-dau__step-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-lich-thi-dau__step-description a {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-lich-thi-dau__step-description a:hover {
  color: #005f2c;
}

.page-lich-thi-dau__benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-lich-thi-dau__benefits-item {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px 20px;
  margin-bottom: 15px;
  font-size: 1.1em;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  color: var(--text-color-dark);
}

.page-lich-thi-dau__benefits-item::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.2em;
}

.page-lich-thi-dau__center-cta {
  text-align: center;
  margin-top: 40px;
}

.page-lich-thi-dau__faq-list {
  margin-top: 30px;
}

.page-lich-thi-dau__faq-item {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.page-lich-thi-dau__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--primary-color);
  cursor: pointer;
  list-style: none;
  position: relative;
}

.page-lich-thi-dau__faq-question::-webkit-details-marker {
  display: none;
}

.page-lich-thi-dau__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

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

.page-lich-thi-dau__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-color-dark);
  line-height: 1.6;
}

.page-lich-thi-dau__faq-answer p {
  margin-bottom: 0;
}

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

@media (max-width: 1024px) {
  .page-lich-thi-dau__main-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }

  .page-lich-thi-dau__section-title {
    font-size: 2em;
  }

  .page-lich-thi-dau__sub-title {
    font-size: 1.6em;
  }

  .page-lich-thi-dau__hero-image-wrapper {
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  /* 1. Top section / Hero */
  .page-lich-thi-dau__hero-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
    padding-bottom: 30px;
  }

  .page-lich-thi-dau__hero-image-wrapper {
    max-height: 300px;
  }

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

  .page-lich-thi-dau__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
    padding: 0 15px;
  }

  .page-lich-thi-dau__hero-cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  /* 4. Buttons and button containers */
  .page-lich-thi-dau__btn-primary,
  .page-lich-thi-dau__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px;
    white-space: normal !important;
    word-wrap: break-word !important;
    font-size: 1em;
  }

  /* 2. Single column long text container */
  .page-lich-thi-dau__container {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-lich-thi-dau__section {
    padding: 30px 0;
  }

  .page-lich-thi-dau__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-lich-thi-dau__text-block {
    font-size: 0.95em;
    text-align: left;
  }

  /* 3. General images and figures */
  .page-lich-thi-dau__figure img,
  .page-lich-thi-dau img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-lich-thi-dau__grid-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-lich-thi-dau__grid-item {
    padding: 20px;
  }

  .page-lich-thi-dau__sub-title {
    font-size: 1.4em;
  }

  .page-lich-thi-dau__step-by-step {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-lich-thi-dau__step-item {
    padding: 20px;
  }

  .page-lich-thi-dau__step-title {
    font-size: 1.3em;
  }

  .page-lich-thi-dau__benefits-item {
    font-size: 1em;
    padding: 12px 15px;
  }

  /* FAQ section */
  .page-lich-thi-dau__faq-question {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-lich-thi-dau__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em;
  }

  .page-lich-thi-dau__faq-toggle {
    font-size: 1.2em;
  }
}