/* style/partners.css */

/* Variables and base styles for partners page */
:root {
    --primary-color: #FFD700; /* Gold */
    --secondary-color: #1A2B3C; /* Dark Blue */
    --text-light: #ffffff;
    --text-dark: #333333;
    --background-dark: #000; /* From shared.css body background */
    --card-bg-dark-mode: rgba(255, 255, 255, 0.08); /* Slightly transparent white for cards on dark background */
    --border-color-dark-mode: rgba(255, 255, 255, 0.15);
}

/* Page content wrapper */
.page-partners {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-light); /* Default text color for dark body background */
    background-color: var(--background-dark); /* Ensure consistency */
    padding-top: var(--header-offset, 120px); /* Fixed header offset */
    min-height: 100vh;
}

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

.page-partners__section-title {
    font-size: 38px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-partners__section-description {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    opacity: 0.9;
}

/* Hero Section */
.page-partners__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, rgba(26, 43, 60, 0.8) 100%);
    position: relative;
    overflow: hidden;
    color: var(--text-light);
}

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

.page-partners__main-title {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.page-partners__hero-description {
    font-size: 20px;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.9;
}

.page-partners__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.page-partners__cta-button {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.page-partners__cta-button--primary {
    background: var(--primary-color);
    color: var(--secondary-color); /* Gold button with dark blue text for contrast */
}

.page-partners__cta-button--primary:hover {
    background: #e6c200;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-partners__cta-button--secondary {
    background: var(--secondary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
}

.page-partners__cta-button--secondary:hover {
    background: #0f1c2b;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-partners__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.page-partners__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15; /* Subtle background image */
    filter: brightness(0.6); /* Darken for text readability */
    /* No filter to change color, only brightness */
}

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

.page-partners__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-partners__benefit-card {
    background: var(--card-bg-dark-mode); /* Semi-transparent white card */
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color-dark-mode);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-partners__benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

.page-partners__benefit-icon {
    width: 100px; /* Min size 200x200px, but display smaller if needed */
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    max-width: 100%; /* Ensure responsiveness */
    height: auto;
    display: block; /* Important for img responsiveness */
    margin-left: auto;
    margin-right: auto;
}

.page-partners__benefit-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-partners__benefit-text {
    font-size: 16px;
    color: var(--text-light);
    opacity: 0.8;
}

/* Process Section */
.page-partners__process-section {
    padding: 80px 0;
    background-color: var(--background-dark); /* Dark background */
    color: var(--text-light);
}

.page-partners__process-steps {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-partners__step-item {
    flex: 1;
    min-width: 280px;
    background: var(--card-bg-dark-mode);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color-dark-mode);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-partners__step-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

.page-partners__step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-partners__step-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-partners__step-description {
    font-size: 16px;
    color: var(--text-light);
    opacity: 0.8;
}

.page-partners__process-cta {
    text-align: center;
    margin-top: 60px;
}

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

.page-partners__faq-list {
    max-width: 900px;
    margin: 50px auto 0 auto;
}

/* FAQ容器样式 */
.page-partners__faq-item {
  margin-bottom: 15px;
  border-radius: 10px; /* Slightly larger radius for aesthetic */
  overflow: hidden;
  background: var(--card-bg-dark-mode); /* Semi-transparent white */
  border: 1px solid var(--border-color-dark-mode);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* FAQ默认状态 - 答案隐藏 */
.page-partners__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px; /* Increased padding */
  opacity: 0;
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.7;
  background: var(--card-bg-dark-mode); /* Ensure background for answer */
}

/* FAQ展开状态 - 🚨 Sử dụng !important và max-height đủ lớn để đảm bảo mở rộng */
.page-partners__faq-item.active .page-partners__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important để đảm bảo độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 25px !important; /* Increased padding */
  opacity: 1;
  background: rgba(255, 255, 255, 0.12); /* Slightly lighter background for active answer */
  border-radius: 0 0 10px 10px;
}

/* Question style */
.page-partners__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px; /* Increased padding */
  background: var(--card-bg-dark-mode);
  border-bottom: 1px solid transparent; /* Hide default border, use card border */
  border-radius: 10px; /* Match item radius */
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-partners__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
}

.page-partners__faq-item.active .page-partners__faq-question {
    border-bottom: 1px solid var(--border-color-dark-mode); /* Show border when active */
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* Question title style */
.page-partners__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 from blocking click event */
  color: var(--primary-color); /* Gold text for questions */
}

/* Toggle icon */
.page-partners__faq-toggle {
  font-size: 28px; /* Slightly larger icon */
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color); /* Gold icon */
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click event */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; /* Larger toggle area */
  height: 32px;
}

.page-partners__faq-item.active .page-partners__faq-toggle {
  color: var(--text-light); /* White icon when active */
  transform: rotate(45deg); /* Rotate for 'x' effect */
}

/* Contact CTA Section */
.page-partners__contact-cta {
    padding: 80px 0;
    background-color: var(--background-dark);
    text-align: center;
    color: var(--text-light);
}
.page-partners__contact-cta .page-partners__section-title {
    color: var(--primary-color);
}
.page-partners__contact-cta .page-partners__section-description {
    margin-bottom: 40px;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .page-partners__main-title {
        font-size: 44px;
    }
    .page-partners__hero-description {
        font-size: 18px;
    }
    .page-partners__section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .page-partners {
        padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header offset */
    }

    .page-partners__hero-section {
        padding: 60px 15px;
    }

    .page-partners__main-title {
        font-size: 34px;
        margin-bottom: 15px;
    }

    .page-partners__hero-description {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .page-partners__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px; /* Constrain button width on mobile */
        margin-left: auto;
        margin-right: auto;
    }

    .page-partners__cta-button {
        width: 100%;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 25px;
        font-size: 16px;
    }

    .page-partners__section-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .page-partners__section-description {
        font-size: 15px;
        margin-bottom: 40px;
        padding: 0 10px;
    }

    .page-partners__benefits-section,
    .page-partners__process-section,
    .page-partners__faq-section,
    .page-partners__contact-cta {
        padding: 50px 0;
    }

    .page-partners__benefits-grid,
    .page-partners__process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

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

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

    .page-partners__benefit-text,
    .page-partners__step-description {
        font-size: 15px;
    }
    
    .page-partners__faq-list {
        padding: 0 15px;
    }

    .page-partners__faq-question {
        padding: 15px 20px;
    }

    .page-partners__faq-question h3 {
        font-size: 16px;
    }

    .page-partners__faq-toggle {
        font-size: 24px;
        width: 28px;
        height: 28px;
    }

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

    .page-partners__faq-item.active .page-partners__faq-answer {
        padding: 15px 20px !important;
    }

    /* Mobile image responsiveness enforcement */
    .page-partners img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    
    .page-partners__hero-image-wrapper,
    .page-partners__hero-image,
    .page-partners__benefit-icon {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
    
    .page-partners__container {
        padding: 0 15px; /* Adjust container padding for mobile */
    }
}