/* style/register.css */
/* Custom Colors */
:root {
  --page-register-primary: #11A84E;
  --page-register-secondary: #22C768;
  --page-register-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-register-card-bg: #11271B;
  --page-register-bg: #08160F;
  --page-register-text-main: #F2FFF6;
  --page-register-text-secondary: #A7D9B8;
  --page-register-border: #2E7A4E;
  --page-register-glow: #57E38D;
  --page-register-gold: #F2C14E;
  --page-register-divider: #1E3A2A;
  --page-register-deep-green: #0A4B2C;
}

/* Base styles for the page */
.page-register {
  background-color: var(--page-register-bg);
  color: var(--page-register-text-main); /* Light text on dark background */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Sections */
.page-register__section {
  padding: 80px 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-register__dark-bg {
  background-color: var(--page-register-bg);
  color: var(--page-register-text-main);
}

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

/* Hero Section */
.page-register__hero-section {
  padding: 10px 0 80px 0; /* Small top padding, body handles header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  max-width: 1920px; /* Ensure image is not too wide */
  margin-bottom: 40px; /* Space between image and content */
}

.page-register__hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 15px;
  text-align: center;
}

.page-register__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--page-register-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-register__hero-description {
  font-size: 1.15rem;
  color: var(--page-register-text-secondary);
  margin-bottom: 30px;
}

/* Section Titles and Descriptions */
.page-register__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--page-register-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-register__section-description {
  font-size: 1.1rem;
  color: var(--page-register-text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--page-register-button-gradient);
  color: #ffffff; /* White text on dark button */
  border: none;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
  margin: 10px;
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(34, 199, 104, 0.6);
}

.page-register__btn-secondary {
  background-color: transparent;
  color: var(--page-register-primary); /* Primary color text on transparent button */
  border: 2px solid var(--page-register-primary);
  margin: 10px;
}

.page-register__btn-secondary:hover {
  background-color: var(--page-register-primary);
  color: #ffffff;
}

.page-register__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* Card Grid */
.page-register__card-grid,
.page-register__info-grid,
.page-register__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__card {
  background-color: var(--page-register-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid var(--page-register-border);
}

.page-register__card-image,
.page-register__info-icon {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-register__card-title,
.page-register__info-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--page-register-text-main);
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-register__card-text,
.page-register__info-text {
  font-size: 1rem;
  color: var(--page-register-text-secondary);
  flex-grow: 1;
}

/* How-to-Register Steps */
.page-register__step-item {
  background-color: var(--page-register-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid var(--page-register-border);
}

.page-register__step-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--page-register-primary);
  margin-bottom: 15px;
  background-color: var(--page-register-deep-green);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--page-register-glow);
}

.page-register__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--page-register-text-main);
  margin-bottom: 10px;
}

.page-register__step-text {
  font-size: 1rem;
  color: var(--page-register-text-secondary);
}

/* FAQ Section */
.page-register__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-register-text-main);
  cursor: pointer;
  background-color: var(--page-register-deep-green);
  border-bottom: 1px solid var(--page-register-divider);
  list-style: none; /* For details/summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none; /* For details/summary */
}

.page-register__faq-question:hover {
  background-color: rgba(34, 199, 104, 0.1);
}

.page-register__faq-toggle {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--page-register-primary);
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

.page-register__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--page-register-text-secondary);
  border-top: 1px solid var(--page-register-divider);
}

.page-register__faq-answer p {
  margin: 0;
  color: var(--page-register-text-secondary);
}

/* Final CTA */
.page-register__final-cta {
  background-color: var(--page-register-deep-green);
  padding: 100px 20px;
}

/* Content area images - minimum size enforcement */
.page-register__section img,
.page-register__card img,
.page-register__info-item img {
  min-width: 200px;
  min-height: 200px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__hero-image {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 768px) {
  .page-register__section {
    padding: 60px 15px;
  }

  .page-register__hero-section {
    padding: 10px 15px 60px 15px;
  }

  .page-register__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-register__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
  }

  .page-register__hero-description,
  .page-register__section-description {
    font-size: 1rem;
  }

  .page-register__btn-primary,
  .page-register__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;
    margin: 10px 0;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-register__card-grid,
  .page-register__info-grid,
  .page-register__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__card,
  .page-register__step-item {
    padding: 20px;
  }

  .page-register__card-image,
  .page-register__info-icon {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-section,
  .page-register__final-cta,
  .page-register__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-register__video-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

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

  .page-register__faq-answer {
    padding: 15px 20px;
  }

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

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.8rem, 9vw, 2.2rem);
  }

  .page-register__section-title {
    font-size: clamp(1.6rem, 8vw, 2rem);
  }

  .page-register__btn-primary,
  .page-register__btn-secondary {
    font-size: 1rem;
    padding: 12px 20px;
  }
}