/* style/doi-tac.css */
:root {
  --bkwin-primary: #2F6BFF;
  --bkwin-secondary: #6FA3FF;
  --bkwin-button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --bkwin-card-bg: #FFFFFF;
  --bkwin-background: #F4F7FB;
  --bkwin-text-main: #1F2D3D;
  --bkwin-text-black: #000000;
  --bkwin-border: #D6E2FF;
  --bkwin-glow: #A5C4FF;
}

.page-doi-tac {
  font-family: 'Arial', sans-serif;
  color: var(--bkwin-text-main); /* Default text color for light background */
  background-color: var(--bkwin-background); /* Default light background */
}

.page-doi-tac__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  background-color: var(--bkwin-background);
}

.page-doi-tac__hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 40px 20px;
  gap: 30px;
}

.page-doi-tac__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
}

.page-doi-tac__main-title {
  font-size: 3.2em;
  font-weight: 700;
  line-height: 1.2;
  color: var(--bkwin-text-black);
  margin-bottom: 20px;
  max-width: 600px;
}

.page-doi-tac__hero-description {
  font-size: 1.15em;
  line-height: 1.6;
  color: var(--bkwin-text-main);
  margin-bottom: 30px;
  max-width: 550px;
}

.page-doi-tac__cta-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-doi-tac__btn-primary,
.page-doi-tac__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-doi-tac__btn-primary {
  background: var(--bkwin-button-gradient);
  color: #ffffff;
  border: none;
}

.page-doi-tac__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-doi-tac__btn-secondary {
  background-color: var(--bkwin-card-bg);
  color: var(--bkwin-primary);
  border: 2px solid var(--bkwin-primary);
}

.page-doi-tac__btn-secondary:hover {
  background-color: var(--bkwin-primary);
  color: #ffffff;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-doi-tac__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-doi-tac__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  display: block;
  margin: 0 auto;
}

.page-doi-tac__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-doi-tac__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--bkwin-text-black);
  text-align: center;
  margin-bottom: 40px;
}

.page-doi-tac__section-title--light {
  color: #ffffff;
}

.page-doi-tac__text-block {
  font-size: 1.05em;
  line-height: 1.7;
  color: var(--bkwin-text-main);
  margin-bottom: 20px;
  text-align: justify;
}

.page-doi-tac__text-block--light {
  color: #f0f0f0;
}

.page-doi-tac__benefits-section {
  padding: 60px 0;
  background-color: var(--bkwin-background);
}

.page-doi-tac__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-doi-tac__benefit-card {
  background-color: var(--bkwin-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--bkwin-text-main);
}

.page-doi-tac__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.page-doi-tac__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-doi-tac__card-title {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--bkwin-text-black);
  margin-bottom: 15px;
}

.page-doi-tac__card-description {
  font-size: 1em;
  line-height: 1.6;
  color: var(--bkwin-text-main);
}

.page-doi-tac__types-section {
  padding: 60px 0;
}

.page-doi-tac__dark-section {
  background-color: var(--bkwin-primary);
  color: #ffffff;
}

.page-doi-tac__types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-doi-tac__type-card {
  background-color: var(--bkwin-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  color: var(--bkwin-text-main);
}

.page-doi-tac__process-section {
  padding: 60px 0;
  background-color: var(--bkwin-background);
}

.page-doi-tac__process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-doi-tac__step-item {
  text-align: center;
  padding: 20px;
  background-color: var(--bkwin-card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  position: relative;
  color: var(--bkwin-text-main);
}

.page-doi-tac__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--bkwin-button-gradient);
  color: #ffffff;
  border-radius: 50%;
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-doi-tac__step-title {
  font-size: 1.4em;
  font-weight: 600;
  color: var(--bkwin-text-black);
  margin-bottom: 10px;
}

.page-doi-tac__step-description {
  font-size: 1em;
  line-height: 1.6;
  color: var(--bkwin-text-main);
}

.page-doi-tac__cta-center {
  text-align: center;
  margin-top: 50px;
}

.page-doi-tac__support-section {
  padding: 60px 0;
}

.page-doi-tac__support-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 0;
  max-width: 800px;
  color: #ffffff;
}

.page-doi-tac__support-item {
  font-size: 1.1em;
  line-height: 1.8;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.page-doi-tac__support-item:last-child {
  border-bottom: none;
}

.page-doi-tac__faq-section {
  padding: 60px 0;
  background-color: var(--bkwin-background);
}

.page-doi-tac__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-doi-tac__faq-item {
  background-color: var(--bkwin-card-bg);
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  color: var(--bkwin-text-main);
}

.page-doi-tac__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--bkwin-text-black);
  cursor: pointer;
  list-style: none;
}

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

.page-doi-tac__faq-qtext {
  flex-grow: 1;
}

.page-doi-tac__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--bkwin-primary);
  margin-left: 15px;
}

.page-doi-tac__faq-item[open] .page-doi-tac__faq-toggle {
  content: '−';
}

.page-doi-tac__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: var(--bkwin-text-main);
  text-align: justify;
}

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

/* Mobile responsiveness */
@media (max-width: 1024px) {
  .page-doi-tac__main-title {
    font-size: 2.8em;
  }
  .page-doi-tac__section-title {
    font-size: 2.2em;
  }
  .page-doi-tac__hero-container {
    flex-direction: column;
    text-align: center;
  }
  .page-doi-tac__hero-content {
    order: 2;
  }
  .page-doi-tac__hero-image {
    order: 1;
    margin-bottom: 30px;
  }
  .page-doi-tac__cta-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-doi-tac {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-doi-tac__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }
  .page-doi-tac__hero-container,
  .page-doi-tac__container {
    padding: 20px 15px !important;
  }
  .page-doi-tac__main-title {
    font-size: 2.2em !important;
    margin-bottom: 15px;
  }
  .page-doi-tac__hero-description {
    font-size: 1em !important;
    margin-bottom: 25px;
  }
  .page-doi-tac__cta-buttons {
    flex-direction: column !important;
    gap: 10px;
  }
  .page-doi-tac__btn-primary,
  .page-doi-tac__btn-secondary {
    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-doi-tac__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px;
  }
  .page-doi-tac__text-block {
    font-size: 0.95em !important;
  }
  .page-doi-tac__benefits-grid,
  .page-doi-tac__types-grid,
  .page-doi-tac__process-steps {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }
  .page-doi-tac__benefit-card,
  .page-doi-tac__type-card,
  .page-doi-tac__step-item {
    padding: 20px !important;
  }
  .page-doi-tac__card-title,
  .page-doi-tac__step-title {
    font-size: 1.3em !important;
  }
  .page-doi-tac__card-description,
  .page-doi-tac__step-description {
    font-size: 0.9em !important;
  }
  .page-doi-tac__support-list {
    margin-top: 30px;
  }
  .page-doi-tac__support-item {
    font-size: 1em !important;
  }
  .page-doi-tac__faq-question {
    font-size: 1em !important;
    padding: 15px 20px !important;
  }
  .page-doi-tac__faq-answer {
    padding: 0 20px 15px !important;
    font-size: 0.95em !important;
  }
  /* General image responsiveness for content area */
  .page-doi-tac img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-doi-tac__section,
  .page-doi-tac__card,
  .page-doi-tac__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}