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

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

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

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

.page-login__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
  order: 1; /* Image first */
}

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

.page-login__hero-content {
  order: 2; /* Content after image */
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.page-login__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--page-login-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
}

.page-login__description {
  font-size: 1.1rem;
  color: var(--page-login-text-secondary);
  margin-bottom: 30px;
}

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

.page-login__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-login__btn-primary {
  background: var(--page-login-btn-gradient);
  color: var(--page-login-btn-text);
  border: none;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
}

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

.page-login__btn-secondary {
  background: transparent;
  color: var(--page-login-primary-color);
  border: 2px solid var(--page-login-primary-color);
}

.page-login__btn-secondary:hover {
  background: var(--page-login-primary-color);
  color: var(--page-login-btn-text);
}

/* Section Titles */
.page-login__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--page-login-gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

/* Login Form Section */
.page-login__form-section {
  padding: 80px 0;
  background-color: var(--page-login-bg-color);
}

.page-login__login-card {
  background-color: var(--page-login-card-bg);
  border-radius: 15px;
  padding: 40px;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--page-login-border-color);
}

.page-login__login-form {
  margin-bottom: 30px;
}

.page-login__form-group {
  margin-bottom: 20px;
}

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--page-login-text-main);
  font-weight: bold;
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--page-login-border-color);
  border-radius: 8px;
  background-color: var(--page-login-deep-green);
  color: var(--page-login-text-main);
  font-size: 1rem;
  box-sizing: border-box;
}

.page-login__form-input::placeholder {
  color: var(--page-login-text-secondary);
  opacity: 0.7;
}

.page-login__form-input:focus {
  outline: none;
  border-color: var(--page-login-glow-color);
  box-shadow: 0 0 0 3px rgba(87, 227, 141, 0.3);
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.page-login__forgot-password {
  color: var(--page-login-text-secondary);
  text-decoration: none;
}

.page-login__forgot-password:hover {
  color: var(--page-login-glow-color);
  text-decoration: underline;
}

.page-login__remember-me {
  display: flex;
  align-items: center;
}

.page-login__checkbox {
  margin-right: 8px;
  accent-color: var(--page-login-primary-color);
}

.page-login__checkbox-label {
  color: var(--page-login-text-secondary);
}

.page-login__btn-submit {
  width: 100%;
  background: var(--page-login-btn-gradient);
  color: var(--page-login-btn-text);
  border: none;
  padding: 15px;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
}

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

.page-login__social-login {
  text-align: center;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--page-login-divider-color);
}

.page-login__social-text {
  color: var(--page-login-text-secondary);
  margin-bottom: 20px;
}

.page-login__social-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-login__social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  color: var(--page-login-text-main);
  transition: background-color 0.3s ease;
  min-width: 120px;
  box-sizing: border-box;
}

.page-login__social-btn--facebook {
  background-color: #3b5998;
}

.page-login__social-btn--facebook:hover {
  background-color: #2d4373;
}

.page-login__social-btn--google {
  background-color: #dd4b39;
}

.page-login__social-btn--google:hover {
  background-color: #c23321;
}

.page-login__register-prompt {
  text-align: center;
  margin-top: 30px;
  color: var(--page-login-text-secondary);
}

.page-login__register-link {
  color: var(--page-login-glow-color);
  text-decoration: none;
  font-weight: bold;
}

.page-login__register-link:hover {
  text-decoration: underline;
}

/* Features Section */
.page-login__features-section {
  padding: 80px 0;
  background-color: var(--page-login-deep-green);
}

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

.page-login__feature-card {
  background-color: var(--page-login-card-bg);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-login-border-color);
}

.page-login__feature-icon {
  width: 100%; /* Ensure max-width:100% is applied via img rule */
  height: auto;
  max-width: 250px;
  margin: 0 auto 20px auto;
  display: block;
  border-radius: 8px;
}

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

.page-login__feature-description {
  color: var(--page-login-text-secondary);
  font-size: 1rem;
}

/* Video Section */
.page-login__video-section {
  padding: 80px 0;
  background-color: var(--page-login-bg-color);
  text-align: center;
}

.page-login__video-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px; /* Adjust as needed */
  margin: 0 auto 30px auto;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--page-login-border-color);
}

.page-login__video-link-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

.page-login__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  object-fit: cover;
}

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

/* Download Section */
.page-login__download-section {
  padding: 80px 0;
  background-color: var(--page-login-deep-green);
  text-align: center;
}

.page-login__download-options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.page-login__qr-code-wrapper {
  background-color: var(--page-login-card-bg);
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-login-border-color);
}

.page-login__qr-code {
  width: 100%; /* Ensure max-width:100% is applied via img rule */
  height: auto;
  max-width: 250px;
  display: block;
  margin: 0 auto 15px auto;
}

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

.page-login__download-buttons {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  max-width: 300px;
}

.page-login__btn-download {
  background: var(--page-login-btn-gradient);
  color: var(--page-login-btn-text);
  border: none;
  padding: 15px 25px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  display: block;
  text-align: center;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

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

/* FAQ Section */
.page-login__faq-section {
  padding: 80px 0;
  background-color: var(--page-login-bg-color);
}

.page-login__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-login__faq-item {
  background-color: var(--page-login-card-bg);
  border: 1px solid var(--page-login-border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  color: var(--page-login-text-main);
  font-weight: bold;
  font-size: 1.1rem;
  list-style: none; /* For details summary */
}

.page-login__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for details summary */
}

.page-login__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--page-login-glow-color);
  transition: transform 0.3s ease;
}

.page-login__faq-item[open] .page-login__faq-toggle {
  transform: rotate(45deg); /* Rotate for 'x' effect */
}

.page-login__faq-answer {
  padding: 0 25px 20px;
  color: var(--page-login-text-secondary);
  font-size: 1rem;
}

.page-login__faq-answer p {
  margin-bottom: 0;
}

.page-login__faq-answer a {
  color: var(--page-login-glow-color);
  text-decoration: none;
}

.page-login__faq-answer a:hover {
  text-decoration: underline;
}

/* Contact CTA Section */
.page-login__contact-cta-section {
  padding: 80px 0;
  background-color: var(--page-login-deep-green);
  text-align: center;
}

/* General Image and Video Responsiveness */
.page-login img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-login video,
.page-login__video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.page-login__video-section,
.page-login__video-container,
.page-login__video-wrapper,
.page-login__download-section,
.page-login__qr-code-wrapper,
.page-login__download-buttons,
.page-login__login-card,
.page-login__features-grid,
.page-login__feature-card,
.page-login__social-buttons {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .page-login__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-login__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-login__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-login__btn,
  .page-login__btn-download {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-login__form-section,
  .page-login__features-section,
  .page-login__video-section,
  .page-login__download-section,
  .page-login__faq-section,
  .page-login__contact-cta-section {
    padding: 40px 0;
  }

  .page-login__login-card {
    padding: 30px 20px;
  }

  .page-login__form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

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

  .page-login__social-btn {
    width: 100%;
  }

  .page-login__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-login__features-grid {
    grid-template-columns: 1fr;
  }

  .page-login__feature-card {
    padding: 25px;
  }

  .page-login__feature-icon {
    max-width: 200px;
  }

  .page-login__video-wrapper {
    padding-bottom: 56.25% !important;
    height: 0 !important;
  }

  .page-login__video {
    max-width: 100% !important;
    width: 100% !important;
    height: 100% !important; /* height should be 100% for aspect ratio trick */
  }

  .page-login__download-options {
    flex-direction: column;
    gap: 30px;
  }

  .page-login__qr-code-wrapper {
    padding: 15px;
  }

  .page-login__qr-code {
    max-width: 200px;
  }

  .page-login__download-buttons {
    max-width: 250px;
  }

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

  .page-login__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }
  
  /* Mandatory image and container responsiveness */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-login__section,
  .page-login__card,
  .page-login__container,
  .page-login__video-section,
  .page-login__video-container,
  .page-login__video-wrapper,
  .page-login__download-section,
  .page-login__qr-code-wrapper,
  .page-login__download-buttons,
  .page-login__login-card,
  .page-login__features-grid,
  .page-login__feature-card,
  .page-login__social-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

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

  .page-login__cta-buttons,
  .page-login__button-group,
  .page-login__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-login__cta-buttons {
    flex-direction: column !important;
  }

  .page-login__btn-primary,
  .page-login__btn-secondary,
  .page-login a[class*="button"],
  .page-login a[class*="btn"] {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}

/* Desktop video container width rule */
.page-login__video-container {
  width: 100%; /* Ensure this is present for desktop */
}