/* Biến màu sắc */
:root {
  --primary-color: #C61F1F;
  --secondary-color: #E53030;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --card-bg: #2A1212;
  --site-bg-dark: #140C0C;
  --text-main: #FFF1E8;
  --border-color: #6A1E1E;
  --gold-color: #F3C54D;
  --deep-red-color: #7E0D0D;
  --text-light: #ffffff;
  --text-dark: #333333;
  --header-offset: 120px; /* Default, will be overridden by shared.css if present */
}

/* Base styles for the page content */
.page-partners {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for dark body background */
  background-color: var(--site-bg-dark); /* Ensure consistency with body background */
}

.page-partners__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
}

.page-partners__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-partners__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-light);
}

/* Hero Section */
.page-partners__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, relying on body padding-top from shared.css */
  padding-bottom: 60px;
  overflow: hidden;
  background-color: var(--site-bg-dark);
}

.page-partners__hero-image {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

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

.page-partners__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 15px;
}

.page-partners__main-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-partners__description {
  font-size: 20px;
  color: var(--text-light);
  margin-bottom: 30px;
}

.page-partners__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-partners__btn-primary,
.page-partners__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-partners__btn-primary {
  background: var(--button-gradient);
  color: var(--text-light);
  border: none;
}

.page-partners__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

.page-partners__btn-secondary:hover {
  background: var(--gold-color);
  color: var(--site-bg-dark);
  transform: translateY(-2px);
}

/* Why Us Section */
.page-partners__why-us-section {
  background-color: #2A1212; /* Card BG for contrast */
  padding: 80px 0;
  color: var(--text-light);
}

.page-partners__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partners__feature-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  padding-bottom: 30px;
  display: flex;
  flex-direction: column;
}

.page-partners__feature-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  margin-bottom: 20px;
}

.page-partners__card-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 15px;
  padding: 0 20px;
}

.page-partners__card-text {
  font-size: 16px;
  color: var(--text-light);
  padding: 0 20px;
  flex-grow: 1;
}

/* Programs Section */
.page-partners__programs-section {
  background-color: var(--site-bg-dark);
  padding: 80px 0;
  color: var(--text-light);
}

.page-partners__program-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partners__program-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  padding-bottom: 30px;
  display: flex;
  flex-direction: column;
}

.page-partners__program-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  margin-bottom: 20px;
}

.page-partners__program-card .page-partners__btn-primary {
  margin-top: auto;
  align-self: center;
}

/* Benefits Section */
.page-partners__benefits-section {
  background-color: #2A1212;
  padding: 80px 0;
  color: var(--text-light);
}

.page-partners__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partners__benefit-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-partners__benefit-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-partners__benefit-text {
  font-size: 16px;
  color: var(--text-light);
}

.page-partners__cta-bottom {
  text-align: center;
  margin-top: 60px;
}

/* How to Join Section */
.page-partners__how-to-join-section {
  background-color: var(--site-bg-dark);
  padding: 80px 0;
  color: var(--text-light);
}

.page-partners__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partners__step-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.page-partners__step-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--deep-red-color);
  margin-bottom: 15px;
  line-height: 1;
}

/* FAQ Section */
.page-partners__faq-section {
  background-color: #2A1212;
  padding: 80px 0;
  color: var(--text-light);
}

.page-partners__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-partners__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

details.page-partners__faq-item summary.page-partners__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--gold-color);
  font-size: 18px;
  font-weight: 600;
}

details.page-partners__faq-item summary.page-partners__faq-question::-webkit-details-marker {
  display: none;
}

details.page-partners__faq-item summary.page-partners__faq-question:hover {
  background: rgba(var(--primary-color), 0.1);
}

.page-partners__faq-qtext {
  flex: 1;
  line-height: 1.5;
  text-align: left;
}

.page-partners__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-partners__faq-item .page-partners__faq-answer {
  padding: 0 25px 20px;
  background: rgba(var(--primary-color), 0.05);
  border-radius: 0 0 8px 8px;
  color: var(--text-light);
  font-size: 16px;
}

.page-partners__faq-answer p {
    margin-top: 10px;
}

/* Contact Section */
.page-partners__contact-section {
  background-color: var(--deep-red-color);
  padding: 80px 0;
  text-align: center;
  color: var(--text-light);
}

/* Dark/Light Background text color handling */
.page-partners__dark-section {
  color: var(--text-light);
}

.page-partners__light-bg {
  color: var(--text-light);
}

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

@media (max-width: 1024px) {
  .page-partners__container {
    padding: 20px 25px;
  }

  .page-partners__hero-image img {
    height: 500px;
  }

  .page-partners__main-title {
    font-size: clamp(30px, 4.5vw, 50px);
  }

  .page-partners__description {
    font-size: 18px;
  }

  .page-partners__btn-primary,
  .page-partners__btn-secondary {
    padding: 12px 25px;
    font-size: 16px;
  }

  .page-partners__feature-card img,
  .page-partners__program-card img {
    height: 220px;
  }

  .page-partners__card-title {
    font-size: 22px;
  }

  .page-partners__benefit-title {
    font-size: 20px;
  }

  .page-partners__step-number {
    font-size: 40px;
  }

  details.page-partners__faq-item summary.page-partners__faq-question {
    font-size: 17px;
    padding: 16px 20px;
  }

  .page-partners__faq-toggle {
    font-size: 26px;
  }

  details.page-partners__faq-item .page-partners__faq-answer {
    padding: 0 20px 18px;
  }
}

@media (max-width: 849px) {
  .page-partners__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .page-partners__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-partners__section-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 15px;
  }

  .page-partners__section-description {
    font-size: 16px;
    margin-bottom: 30px;
    padding: 0 10px;
  }

  .page-partners__hero-section {
    padding-top: 10px; /* Ensure small top padding */
    padding-bottom: 40px;
  }

  .page-partners__hero-image {
    max-height: 300px;
    margin-bottom: 20px;
  }

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

  .page-partners__main-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 15px;
  }

  .page-partners__description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  .page-partners__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-partners__btn-primary,
  .page-partners__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
  }

  .page-partners__why-us-section,
  .page-partners__programs-section,
  .page-partners__benefits-section,
  .page-partners__how-to-join-section,
  .page-partners__faq-section,
  .page-partners__contact-section {
    padding: 60px 0;
  }

  .page-partners__features-grid,
  .page-partners__program-cards,
  .page-partners__benefits-grid,
  .page-partners__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-partners__feature-card img,
  .page-partners__program-card img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: cover;
    height: 200px; /* Adjust height for mobile cards */
  }

  .page-partners__card-title {
    font-size: 20px;
  }

  .page-partners__card-text {
    font-size: 15px;
  }

  .page-partners__benefit-item,
  .page-partners__step-card {
    padding: 25px;
  }

  .page-partners__benefit-title {
    font-size: 18px;
  }

  .page-partners__step-number {
    font-size: 36px;
  }

  .page-partners__faq-list {
    margin-top: 30px;
  }

  details.page-partners__faq-item summary.page-partners__faq-question {
    padding: 15px;
    font-size: 16px;
  }

  .page-partners__faq-toggle {
    font-size: 24px;
    width: 24px;
    margin-left: 10px;
  }

  details.page-partners__faq-item .page-partners__faq-answer {
    padding: 0 15px 15px;
    font-size: 15px;
  }

  /* General image responsiveness for content area */
  .page-partners img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-partners__section,
  .page-partners__card,
  .page-partners__container,
  .page-partners__hero-content,
  .page-partners__why-us-section,
  .page-partners__programs-section,
  .page-partners__benefits-section,
  .page-partners__how-to-join-section,
  .page-partners__faq-section,
  .page-partners__contact-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Ensure no horizontal overflow from any content */
  .page-partners__products-section { /* Placeholder, if any product section were here */
    overflow-x: hidden;
  }

  .page-partners__article-body { /* Placeholder, if any article body were here */
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-partners__section-title-wrap { /* Placeholder, if any title wrap were here */
    text-align: center;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-partners__article-figure { /* Placeholder, if any figure were here */
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-partners__cta-buttons,
  .page-partners__button-group,
  .page-partners__btn-container {
    flex-wrap: wrap !important;
    gap: 10px;
    padding-left: 0 !important; /* Reset padding from general container rule */
    padding-right: 0 !important; /* Reset padding from general container rule */
  }

  .page-partners__cta-buttons {
    flex-direction: column;
  }
}