.page-doi-tac {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #FFF3E6; /* Text Main */
  background-color: #0D0E12; /* Background */
}

.page-doi-tac__content-area {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-doi-tac__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  background-color: #0D0E12;
}

.page-doi-tac__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 40px 16px;
  gap: 40px;
}

.page-doi-tac__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-doi-tac__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: #FF8C1A;
  margin-bottom: 20px;
}

.page-doi-tac__hero-description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #FFF3E6;
}

.page-doi-tac__hero-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-doi-tac__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-doi-tac__cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-doi-tac__btn-primary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-doi-tac__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(255, 140, 26, 0.4);
}

.page-doi-tac__section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #FF8C1A;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.page-doi-tac__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: #FFA53A;
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-doi-tac__intro-section {
  padding: 60px 0;
  background-color: #17191F; /* Card BG */
}

.page-doi-tac__icon-boxes {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.page-doi-tac__icon-box {
  background-color: #0D0E12;
  border: 1px solid #A84F0C; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  flex: 1 1 300px;
  max-width: 350px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-doi-tac__icon-box:hover {
  transform: translateY(-5px);
}

.page-doi-tac__icon-box-media {
  width: 180px;
  height: 180px;
  margin: 0 auto 25px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 5px #A84F0C;
}

.page-doi-tac__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-doi-tac__icon-box-title {
  font-size: 1.5rem;
  color: #FFA53A;
  margin-bottom: 15px;
}

.page-doi-tac__icon-box-description {
  font-size: 1rem;
  color: #FFF3E6;
}

.page-doi-tac__process-section {
  padding: 80px 0;
  background-color: #0D0E12;
}

.page-doi-tac__process-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-doi-tac__process-list-container {
  flex: 1 1 500px;
  min-width: 300px;
}

.page-doi-tac__process-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-doi-tac__process-item {
  background-color: #17191F;
  border-left: 5px solid #FF8C1A;
  padding: 20px 25px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-doi-tac__process-item:last-child {
  margin-bottom: 0;
}

.page-doi-tac__process-step-title {
  font-size: 1.4rem;
  color: #FFA53A;
  margin-bottom: 10px;
}

.page-doi-tac__process-item p {
  color: #FFF3E6;
  font-size: 1rem;
}

.page-doi-tac__process-image {
  flex: 1 1 400px;
  min-width: 300px;
  text-align: center;
}

.page-doi-tac__process-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-doi-tac__faq-section {
  padding: 80px 0;
  background-color: #17191F;
}

.page-doi-tac__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-doi-tac__faq-item {
  background-color: #0D0E12;
  border: 1px solid #A84F0C;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #FFF3E6;
}

.page-doi-tac__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #FFA53A;
  cursor: pointer;
  list-style: none;
  position: relative;
  user-select: none;
}

.page-doi-tac__faq-question::-webkit-details-marker {
  display: none;
}

.page-doi-tac__faq-question::marker {
  display: none;
}

.page-doi-tac__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  color: #FF8C1A;
  transition: transform 0.3s ease;
}

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

.page-doi-tac__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #FFF3E6;
  line-height: 1.8;
}

.page-doi-tac__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: #0D0E12;
}

.page-doi-tac__cta-content {
  max-width: 800px;
}

.page-doi-tac__cta-description {
  font-size: 1.2rem;
  color: #FFF3E6;
  margin-bottom: 30px;
}

/* General image responsive styles */
.page-doi-tac img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .page-doi-tac {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-doi-tac__content-area,
  .page-doi-tac__cta-content {
    padding: 20px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO section */
  .page-doi-tac__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px !important;
  }

  .page-doi-tac__hero-container {
    flex-direction: column;
    padding: 20px 15px;
    gap: 30px;
  }

  .page-doi-tac__hero-content,
  .page-doi-tac__hero-image {
    flex: 1 1 100%;
    min-width: unset;
  }

  .page-doi-tac__main-title {
    font-size: 2rem;
    text-align: center;
  }

  .page-doi-tac__hero-description {
    font-size: 1rem;
    text-align: center;
  }

  .page-doi-tac__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

  .page-doi-tac__btn-primary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* Section titles */
  .page-doi-tac__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  /* Module 1: Intro Section (three columns with square images) */
  .page-doi-tac__intro-section {
    padding: 40px 0;
  }

  .page-doi-tac__icon-boxes {
    flex-direction: column;
    gap: 20px;
  }

  .page-doi-tac__icon-box {
    max-width: 100%;
    flex: 1 1 100%;
  }

  .page-doi-tac__icon-box-media {
    width: 150px;
    height: 150px;
    margin-bottom: 20px;
  }

  /* Process Section */
  .page-doi-tac__process-section {
    padding: 50px 0;
  }

  .page-doi-tac__process-layout {
    flex-direction: column;
    gap: 30px;
  }

  .page-doi-tac__process-list-container,
  .page-doi-tac__process-image {
    flex: 1 1 100%;
    min-width: unset;
  }

  .page-doi-tac__process-item {
    padding: 15px 20px;
    margin-bottom: 15px;
  }

  .page-doi-tac__process-step-title {
    font-size: 1.2rem;
  }

  /* FAQ Section */
  .page-doi-tac__faq-section {
    padding: 50px 0;
  }

  .page-doi-tac__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-doi-tac__faq-toggle {
    font-size: 1.5rem;
  }

  .page-doi-tac__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }

  /* CTA Section */
  .page-doi-tac__cta-section {
    padding: 50px 0;
  }

  .page-doi-tac__cta-description {
    font-size: 1rem;
  }

  /* Universal image rules for mobile */
  .page-doi-tac img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Exception for square images in intro section */
  .page-doi-tac__icon-box-media img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }
}