/* style/register.css */

/* Biến màu */
:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

/* Reset cơ bản và đảm bảo box-sizing */
.page-register *,
.page-register *::before,
.page-register *::after {
  box-sizing: border-box;
}

.page-register {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định cho body nền tối */
  background-color: var(--color-background);
}

/* Các phần chung */
.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-register__section-title {
  font-size: 2.5em;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-register__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 2px;
}

.page-register__subsection-title {
  font-size: 1.8em;
  color: var(--color-text-main);
  margin-top: 30px;
  margin-bottom: 20px;
}

.page-register__paragraph {
  font-size: 1.1em;
  margin-bottom: 1em;
  color: var(--color-text-secondary);
}

.page-register__list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-register__list-item {
  padding-left: 30px;
  position: relative;
  margin-bottom: 10px;
  color: var(--color-text-secondary);
}

.page-register__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.page-register__sub-list {
  list-style: disc;
  padding-left: 20px;
  margin-top: 10px;
}

.page-register__sub-list-item {
  color: var(--color-text-secondary);
  margin-bottom: 5px;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.2em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-register__cta-button:hover {
  background: linear-gradient(180deg, var(--color-button-gradient-end) 0%, var(--color-button-gradient-start) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background-color: var(--color-card-bg);
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
  overflow: hidden;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.page-register__hero-content {
  max-width: 800px;
  z-index: 1;
}

.page-register__main-title {
  font-weight: bold;
  color: var(--color-gold);
  margin-bottom: 20px;
  /* clamp(font-size-min, preferred-vw-size, font-size-max) */
  font-size: clamp(2em, 5vw, 3.2em);
  line-height: 1.2;
  letter-spacing: 1px;
}

.page-register__hero-description {
  font-size: 1.3em;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Introduction Section */
.page-register__introduction-section {
  background-color: var(--color-background);
  padding: 60px 0;
  color: var(--color-text-main);
}

/* Benefits Section */
.page-register__benefits-section {
  background-color: var(--color-card-bg);
  padding: 60px 0;
  color: var(--color-text-main);
}

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

.page-register__card {
  background-color: var(--color-deep-green);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-register__card-title {
  font-size: 1.5em;
  color: var(--color-gold);
  margin-bottom: 15px;
}

.page-register__card-text {
  color: var(--color-text-secondary);
  font-size: 1em;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-register__card-button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-register__card-button:hover {
  background-color: var(--color-secondary);
}

.page-register__image-full {
  width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
}

.page-register__image-inline {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  object-fit: cover;
}

/* Registration Guide Section */
.page-register__registration-guide-section {
  background-color: var(--color-background);
  padding: 60px 0;
  color: var(--color-text-main);
}

.page-register__step-by-step {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 40px;
}

.page-register__step-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 30px;
  position: relative;
  padding-left: 80px;
}

.page-register__step-icon {
  position: absolute;
  left: 20px;
  top: 30px;
  background: var(--color-gold);
  color: var(--color-background);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5em;
  font-weight: bold;
}

.page-register__step-title {
  font-size: 1.8em;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.page-register__step-description {
  color: var(--color-text-secondary);
  font-size: 1.1em;
}

.page-register__step-button {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: var(--color-secondary);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-register__step-button:hover {
  background-color: var(--color-primary);
}

.page-register__note-list .page-register__list-item::before {
  content: '⚠️';
  color: var(--color-gold);
}

/* Promotions Section */
.page-register__promotions-section {
  background-color: var(--color-card-bg);
  padding: 60px 0;
  color: var(--color-text-main);
}

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

.page-register__promo-card {
  background-color: var(--color-deep-green);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-register__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-register__promo-title {
  font-size: 1.4em;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-register__promo-description {
  color: var(--color-text-secondary);
  font-size: 1em;
  margin-bottom: 20px;
}

.page-register__promo-button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-register__promo-button:hover {
  background-color: var(--color-secondary);
}

.page-register__text-center {
  text-align: center;
  margin-top: 30px;
}

/* FAQ Section */
.page-register__faq-section {
  background-color: var(--color-background);
  padding: 60px 0;
  color: var(--color-text-main);
}

.page-register__faq-list {
  margin-top: 40px;
}

.page-register__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-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: 1.2em;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-deep-green);
  border-bottom: 1px solid var(--color-divider);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-register__faq-question:hover {
  background-color: var(--color-primary);
}

.page-register__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--color-gold);
}

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

.page-register__faq-answer {
  padding: 15px 25px;
  color: var(--color-text-secondary);
  font-size: 1.05em;
  background-color: var(--color-card-bg);
}

/* Conclusion Section */
.page-register__conclusion-section {
  background-color: var(--color-card-bg);
  padding: 60px 0;
  text-align: center;
  color: var(--color-text-main);
}

.page-register__cta-button--large {
  padding: 18px 35px;
  font-size: 1.4em;
  margin-top: 30px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__section-title {
    font-size: 2em;
  }

  .page-register__subsection-title {
    font-size: 1.6em;
  }

  .page-register__paragraph,
  .page-register__list-item,
  .page-register__card-text,
  .page-register__promo-description {
    font-size: 1em;
  }

  .page-register__hero-description {
    font-size: 1.1em;
  }

  .page-register__card-title {
    font-size: 1.3em;
  }

  .page-register__promo-title {
    font-size: 1.2em;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-register__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-register__hero-description {
    font-size: 1em;
  }

  .page-register__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-register__subsection-title {
    font-size: 1.4em;
  }

  .page-register__container {
    padding: 0 15px;
  }

  .page-register__grid,
  .page-register__promo-grid {
    grid-template-columns: 1fr;
  }

  .page-register__card,
  .page-register__promo-card {
    padding: 20px;
  }

  .page-register__step-item {
    padding-left: 60px;
    padding-right: 20px;
  }

  .page-register__step-icon {
    left: 15px;
    width: 35px;
    height: 35px;
    font-size: 1.2em;
  }

  .page-register__step-title {
    font-size: 1.5em;
  }

  /* Responsive images */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register__hero-image-wrapper,
  .page-register__container,
  .page-register__section,
  .page-register__card,
  .page-register__promo-card,
  .page-register__step-item,
  .page-register__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  /* Responsive buttons */
  .page-register__cta-button,
  .page-register__card-button,
  .page-register__step-button,
  .page-register__promo-button,
  .page-register__cta-button--large {
    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-register__cta-button--large {
    font-size: 1.2em !important;
  }

  /* Flex container for buttons if needed */
  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-register__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-register__faq-answer {
    padding: 10px 20px;
  }
}

@media (max-width: 480px) {
  .page-register__section-title {
    font-size: 1.5em;
  }

  .page-register__subsection-title {
    font-size: 1.2em;
  }

  .page-register__paragraph,
  .page-register__list-item,
  .page-register__card-text,
  .page-register__promo-description {
    font-size: 0.95em;
  }

  .page-register__cta-button {
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-register__main-title {
    font-size: clamp(1.5em, 8vw, 2em);
  }

  .page-register__hero-description {
    font-size: 0.9em;
  }

  .page-register__step-title {
    font-size: 1.3em;
  }
}