/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

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

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

.page-register__section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-register__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* body đã xử lý padding-top, chỉ cần 10px cho khoảng cách nhỏ */
  position: relative;
  overflow: hidden;
  background-color: var(--page-register-deep-green);
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm tối ảnh để chữ nổi bật hơn */
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -120px; /* Kéo nội dung lên trên ảnh */
  background: rgba(8, 22, 15, 0.8); /* Nền tối nhẹ để chữ nổi bật trên ảnh */
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.page-register__main-title {
  color: var(--page-register-gold-color);
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-register__description {
  font-size: 1.1em;
  color: var(--page-register-text-main);
  margin-bottom: 30px;
}

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

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--page-register-button-gradient);
  color: #ffffff;
  border: 2px solid var(--page-register-glow-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 10px var(--page-register-glow-color);
}

.page-register__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 0 15px var(--page-register-glow-color);
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--page-register-glow-color);
  border: 2px solid var(--page-register-glow-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-register__btn-secondary:hover {
  background: rgba(87, 227, 141, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-register-gold-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-register__section-description {
  font-size: 1.05em;
  color: var(--page-register-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

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

.page-register__card {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  color: var(--page-register-text-main);
}

.page-register__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 10px var(--page-register-primary-color);
}

.page-register__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid var(--page-register-divider-color);
}

.page-register__card-title {
  font-size: 1.4em;
  color: var(--page-register-glow-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__card-text {
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
  flex-grow: 1;
}

.page-register__how-to-register-section {
  background-color: var(--page-register-deep-green);
  border-radius: 15px;
  padding: 80px 40px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4);
}

.page-register__steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-register__step-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  position: relative;
  color: var(--page-register-text-main);
}

.page-register__step-number {
  width: 60px;
  height: 60px;
  background: var(--page-register-button-gradient);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  font-size: 2em;
  font-weight: bold;
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  border: 3px solid var(--page-register-glow-color);
  box-shadow: 0 0 15px rgba(87, 227, 141, 0.5);
}

.page-register__step-title {
  font-size: 1.3em;
  color: var(--page-register-gold-color);
  margin-top: 40px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__step-text {
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
  margin-bottom: 20px;
}

.page-register__btn-link {
  display: inline-block;
  color: var(--page-register-glow-color);
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid var(--page-register-glow-color);
  padding-bottom: 3px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-register__btn-link:hover {
  color: #ffffff;
  border-color: #ffffff;
}

.page-register__cta-block {
  text-align: center;
  margin-top: 60px;
  padding: 30px;
  background-color: rgba(17, 39, 27, 0.7); /* Card B G with transparency */
  border-radius: 10px;
  border: 1px solid var(--page-register-border-color);
}

.page-register__cta-text {
  font-size: 1.2em;
  color: var(--page-register-text-main);
  margin-bottom: 25px;
  font-weight: 500;
}

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

.page-register__security-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--page-register-text-main);
}

.page-register__security-title {
  font-size: 1.4em;
  color: var(--page-register-glow-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__security-text {
  font-size: 0.95em;
  color: var(--page-register-text-secondary);
}

.page-register__faq-section {
  background-color: var(--page-register-deep-green);
  border-radius: 15px;
  padding: 80px 40px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4);
}

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

.page-register__faq-item {
  background-color: var(--page-register-card-bg);
  border: 1px solid var(--page-register-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-register__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--page-register-text-main);
  background-color: var(--page-register-card-bg);
  transition: background-color 0.3s ease;
}

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

.page-register__faq-item summary:hover {
  background-color: rgba(var(--page-register-primary-color), 0.1);
}

.page-register__faq-qtext {
  color: var(--page-register-gold-color);
}

.page-register__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--page-register-glow-color);
  transition: transform 0.3s ease;
}

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

.page-register__faq-answer {
  padding: 15px 25px 20px 25px;
  font-size: 1em;
  color: var(--page-register-text-secondary);
  border-top: 1px solid var(--page-register-divider-color);
  line-height: 1.7;
}

.page-register__final-cta-section {
  text-align: center;
  padding-bottom: 80px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__hero-content {
    margin-top: -80px;
    padding: 30px;
  }

  .page-register__main-title {
    font-size: clamp(1.8em, 4.5vw, 3em);
  }

  .page-register__section-title {
    font-size: clamp(1.6em, 3.8vw, 2.5em);
  }
}

@media (max-width: 768px) {
  .page-register__hero-content {
    margin-top: -60px;
    padding: 25px;
    max-width: 95%;
  }

  .page-register__main-title {
    font-size: clamp(1.5em, 6vw, 2.5em);
  }

  .page-register__description {
    font-size: 1em;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register 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;
  }
  
  .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__section {
    padding: 40px 15px;
  }

  .page-register__section-description {
    font-size: 0.95em;
  }

  .page-register__card-image {
    height: 180px;
  }

  .page-register__how-to-register-section,
  .page-register__faq-section {
    padding: 60px 20px;
  }

  .page-register__step-item {
    padding-top: 45px;
  }

  .page-register__step-number {
    top: -25px;
    width: 50px;
    height: 50px;
    font-size: 1.8em;
  }

  .page-register__cta-block {
    padding: 25px;
  }

  .page-register__cta-text {
    font-size: 1.1em;
  }

  .page-register__card,
  .page-register__section,
  .page-register__box,
  .page-register__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-register video,
  .page-register__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__video-section,
  .page-register__video-container,
  .page-register__video-wrapper {
    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承担 --header-offset，此处禁止 var(--header-offset) */
  }
  
  .page-register__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 480px) {
  .page-register__hero-content {
    margin-top: -40px;
    padding: 20px;
  }

  .page-register__main-title {
    font-size: clamp(1.2em, 8vw, 2em);
  }

  .page-register__section-title {
    font-size: clamp(1.4em, 6vw, 2em);
  }

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

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