/* style/doi-tac.css */

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

.page-doi-tac {
  font-family: 'Arial', sans-serif;
  color: var(--text-main-color);
  background-color: var(--bg-color);
  line-height: 1.6;
}

.page-doi-tac__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-doi-tac__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--text-main-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-doi-tac__section-description {
  font-size: 1.1em;
  color: var(--text-main-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-doi-tac__card-title {
  font-size: 1.4em;
  font-weight: 600;
  color: var(--text-main-color);
  margin-top: 15px;
  margin-bottom: 10px;
}

.page-doi-tac__card-text {
  font-size: 1em;
  color: var(--text-main-color);
  line-height: 1.5;
}

.page-doi-tac__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
  text-align: center;
  background-color: var(--bg-color);
  position: relative;
}

.page-doi-tac__hero-image-container {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-doi-tac__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-doi-tac__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px 40px;
}

.page-doi-tac__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Using clamp for responsive H1 */
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.1;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.page-doi-tac__lead-text {
  font-size: 1.3em;
  color: var(--text-main-color);
  margin-bottom: 30px;
  line-height: 1.5;
}

.page-doi-tac__btn-primary {
  display: inline-block;
  background: var(--button-gradient);
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
}

.page-doi-tac__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-doi-tac__btn-secondary {
  display: inline-block;
  background: var(--card-bg-color);
  color: var(--primary-color);
  padding: 12px 25px;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  transition: all 0.3s ease;
}

.page-doi-tac__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(47, 107, 255, 0.4);
}

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

.page-doi-tac__dark-bg .page-doi-tac__section-title,
.page-doi-tac__dark-bg .page-doi-tac__section-description,
.page-doi-tac__dark-bg .page-doi-tac__card-title,
.page-doi-tac__dark-bg .page-doi-tac__card-text,
.page-doi-tac__dark-bg .page-doi-tac__lead-text,
.page-doi-tac__dark-bg .page-doi-tac__item-title,
.page-doi-tac__dark-bg .page-doi-tac__item-text {
  color: #ffffff;
}

.page-doi-tac__light-bg {
  background-color: var(--bg-color);
  color: var(--text-main-color);
}

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

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

.page-doi-tac__feature-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-doi-tac__feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-doi-tac__feature-icon {
  width: 100%;
  max-width: 200px;
  height: auto;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px;
  object-fit: cover;
}

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

.page-doi-tac__program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.page-doi-tac__program-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-doi-tac__program-benefits {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  color: var(--text-main-color);
}

.page-doi-tac__program-benefits li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.page-doi-tac__program-benefits li::before {
  content: '✔';
  color: var(--primary-color);
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
}

.page-doi-tac__how-to-join-section {
  padding: 60px 0;
}

.page-doi-tac__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-doi-tac__step-card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-doi-tac__step-number {
  font-size: 3em;
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

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

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

.page-doi-tac__commitment-item {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--border-color);
}

.page-doi-tac__commitment-icon {
  width: 100%;
  max-width: 100px;
  height: auto;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px;
  object-fit: contain;
}

.page-doi-tac__item-title {
  font-size: 1.3em;
  font-weight: 600;
  color: var(--text-main-color);
  margin-top: 15px;
  margin-bottom: 10px;
}

.page-doi-tac__item-text {
  font-size: 0.95em;
  color: var(--text-main-color);
}

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

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

.page-doi-tac__faq-item {
  background-color: var(--card-bg-color);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.page-doi-tac__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px;
  font-weight: 600;
  font-size: 1.1em;
  color: var(--text-main-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

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

.page-doi-tac__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: var(--primary-color);
}

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

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

.page-doi-tac__contact-cta-section {
  padding: 60px 0;
  text-align: center;
}

.page-doi-tac__contact-cta-section .page-doi-tac__btn-primary {
  margin-top: 30px;
}

.page-doi-tac__copyright {
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: var(--text-main-color);
  background-color: var(--bg-color);
  margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-doi-tac__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-doi-tac__section-title {
    font-size: 2em;
  }

  .page-doi-tac__lead-text {
    font-size: 1.2em;
  }

  .page-doi-tac__features-grid,
  .page-doi-tac__program-grid,
  .page-doi-tac__steps-grid,
  .page-doi-tac__commitment-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .page-doi-tac__container {
    padding: 15px 15px;
  }

  .page-doi-tac {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-doi-tac__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    margin-bottom: 20px;
  }

  .page-doi-tac__hero-content {
    padding-bottom: 20px;
  }

  .page-doi-tac__main-title {
    font-size: 1.8em !important;
    margin-bottom: 15px;
  }

  .page-doi-tac__lead-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-doi-tac__section-title {
    font-size: 1.8em !important;
    margin-bottom: 15px;
  }

  .page-doi-tac__section-description {
    font-size: 0.95em;
    margin-bottom: 25px;
  }

  .page-doi-tac__why-partner-section,
  .page-doi-tac__program-models-section,
  .page-doi-tac__how-to-join-section,
  .page-doi-tac__commitment-section,
  .page-doi-tac__faq-section,
  .page-doi-tac__contact-cta-section {
    padding: 30px 0;
  }

  .page-doi-tac__features-grid,
  .page-doi-tac__program-grid,
  .page-doi-tac__steps-grid,
  .page-doi-tac__commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-doi-tac__feature-card,
  .page-doi-tac__program-card,
  .page-doi-tac__step-card,
  .page-doi-tac__commitment-item,
  .page-doi-tac__faq-item {
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  .page-doi-tac__feature-icon,
  .page-doi-tac__commitment-icon {
    max-width: 80px;
  }

  .page-doi-tac__card-title,
  .page-doi-tac__item-title {
    font-size: 1.2em;
  }

  .page-doi-tac__card-text,
  .page-doi-tac__item-text {
    font-size: 0.9em;
  }

  .page-doi-tac__btn-primary,
  .page-doi-tac__btn-secondary,
  .page-doi-tac a[class*="button"],
  .page-doi-tac 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;
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .page-doi-tac__hero-content .page-doi-tac__btn-primary {
    margin-top: 20px;
  }

  .page-doi-tac__contact-cta-section .page-doi-tac__btn-primary {
    margin-top: 20px;
  }

  .page-doi-tac img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-doi-tac__hero-image-container,
  .page-doi-tac__features-grid,
  .page-doi-tac__program-grid,
  .page-doi-tac__steps-grid,
  .page-doi-tac__commitment-grid,
  .page-doi-tac__faq-list,
  .page-doi-tac__contact-cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }

  .page-doi-tac__faq-item summary {
    font-size: 1em;
    padding: 15px;
  }

  .page-doi-tac__faq-answer {
    padding: 0 15px 15px;
  }

  .page-doi-tac__copyright {
    margin-top: 20px;
    padding: 15px;
  }
}