/* ================================
   Aura GTM Landing Page
   Design System v1.0
   ================================ */

/* --------------------------------
   CSS Variables (Aura Palette)
   -------------------------------- */
:root {
  /* Primary Colors */
  --aura-purple: #6B5ECD;
  --aura-purple-light: #89A4F7;
  --aura-purple-dark: #5348A0;
  
  /* Neutrals */
  --aura-white: #FAFAF8;
  --aura-ink: #1A1A2E;
  --aura-gray: #E8E8E6;
  --aura-gray-dark: #6B7280;
  
  /* Feedback */
  --aura-success: #7FB069;
  
  /* Gradients */
  --aura-gradient: linear-gradient(135deg, #6B5ECD 0%, #89A4F7 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --section-padding: 100px 0;
  --section-padding-mobile: 60px 0;
}
/* --------------------------------
   Loading Screen
   -------------------------------- */
#aura-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--aura-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#aura-loading.hidden {
  opacity: 0;
  visibility: hidden;
}

.aura-loading-orb {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--aura-gradient);
  animation: loadingPulse 1.2s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.6;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
/* Hide Vue template syntax until mounted */
[v-cloak] {
  display: none;
}

/* --------------------------------
   Base Styles
   -------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--aura-white);
  color: var(--aura-ink);
  line-height: 1.6;
  font-size: 18px;
}

/* --------------------------------
   Navigation
   -------------------------------- */
.aura-nav {
  background: rgba(250, 250, 248, 0.9);
  backdrop-filter: blur(20px);
  padding: 16px 0;
  border-bottom: 1px solid var(--aura-gray);
}

.aura-brand {
  font-weight: 700;
  font-size: 24px;
  color: var(--aura-ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.aura-brand:hover {
  color: var(--aura-ink);
}

.lang-toggle {
  color: var(--aura-gray-dark);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.lang-toggle:hover {
  background: var(--aura-gray);
  color: var(--aura-ink);
}

/* --------------------------------
   Buttons
   -------------------------------- */
.aura-btn-primary {
  background: var(--aura-gradient);
  color: white;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  font-size: 16px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.aura-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(107, 94, 205, 0.3);
  color: white;
}

.aura-btn-primary:disabled {
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
}

/* --------------------------------
   Orb Animations
   -------------------------------- */
.aura-orb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--aura-gradient);
  animation: orbPulse 4s ease-in-out infinite;
  box-shadow: 
    0 0 60px rgba(107, 94, 205, 0.4),
    0 0 100px rgba(137, 164, 247, 0.2);
}

.aura-orb-small {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--aura-gradient);
  animation: orbPulse 3s ease-in-out infinite;
}

@keyframes orbPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.85;
  }
}

/* --------------------------------
   Hero Section
   -------------------------------- */
.aura-hero {
  min-height: 100vh;
  background: var(--aura-white);
  padding-top: 80px;
}

.aura-hero-title {
  font-size: 64px;
  font-weight: 700;
  color: var(--aura-ink);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.aura-hero-subtitle {
  font-size: 20px;
  color: var(--aura-gray-dark);
  max-width: 500px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .aura-hero-title {
    font-size: 40px;
  }
  
  .aura-hero-subtitle {
    font-size: 18px;
    padding: 0 20px;
  }
  
  .aura-orb {
    width: 80px;
    height: 80px;
  }
}

/* --------------------------------
   Case Study Sections
   -------------------------------- */
.aura-case {
  padding: var(--section-padding);
  background: var(--aura-white);
}

.aura-case-alt {
  background: linear-gradient(180deg, var(--aura-gray) 0%, var(--aura-white) 100%);
}

.aura-case-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--aura-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  padding: 8px 16px;
  background: rgba(107, 94, 205, 0.1);
  border-radius: 100px;
}

@media (max-width: 768px) {
  .aura-case {
    padding: var(--section-padding-mobile);
  }
}

/* --------------------------------
   Dialogue Styling
   -------------------------------- */
.aura-dialogue {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aura-dialogue-user,
.aura-dialogue-aura {
  padding: 24px;
  border-radius: 16px;
  position: relative;
}

.aura-dialogue-user {
  background: var(--aura-gray);
  margin-left: 20px;
}

.aura-dialogue-aura {
  background: var(--aura-gradient);
  color: white;
  margin-right: 20px;
  box-shadow: 0 8px 32px rgba(107, 94, 205, 0.2);
}

.aura-dialogue-speaker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  opacity: 0.7;
}

.aura-dialogue-user .aura-dialogue-speaker {
  color: var(--aura-gray-dark);
}

.aura-dialogue-aura .aura-dialogue-speaker {
  color: rgba(255, 255, 255, 0.8);
}

.aura-dialogue p {
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

@media (max-width: 768px) {
  .aura-dialogue-user,
  .aura-dialogue-aura {
    margin: 0;
    padding: 20px;
  }
  
  .aura-dialogue p {
    font-size: 16px;
  }
}

/* --------------------------------
   Video Wrapper
   -------------------------------- */
.aura-video-wrapper {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 64px rgba(26, 26, 46, 0.1);
  position: relative;
}

.aura-video-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  padding: 2px;
  background: var(--aura-gradient);
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.aura-video {
  width: 100%;
  height: 100%;
  display: block;
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* --------------------------------
   Signup Section
   -------------------------------- */
.aura-signup {
  padding: var(--section-padding);
  background: var(--aura-ink);
  color: white;
}

.aura-signup-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
}

.aura-signup-subtitle {
  font-size: 18px;
  color: var(--aura-gray);
  margin-bottom: 32px;
}

.aura-signup-form .input-group {
  max-width: 480px;
  margin: 0 auto;
}

.aura-signup-form .form-control {
  padding: 16px 20px;
  font-size: 16px;
  border: 2px solid transparent;
  border-radius: 12px 0 0 12px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.3s ease;
}

.aura-signup-form .form-control::placeholder {
  color: var(--aura-gray);
}

.aura-signup-form .form-control:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--aura-purple-light);
  box-shadow: none;
  outline: none;
}

.aura-signup-form .aura-btn-primary {
  border-radius: 0 12px 12px 0;
  padding: 16px 28px;
}

.aura-signup-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px;
  background: rgba(127, 176, 105, 0.2);
  border-radius: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.aura-signup-success p {
  margin: 0;
  color: var(--aura-success);
  font-weight: 500;
}

@media (max-width: 768px) {
  .aura-signup {
    padding: var(--section-padding-mobile);
  }
  
  .aura-signup-title {
    font-size: 28px;
  }
  
  .aura-signup-form .input-group {
    flex-direction: column;
    gap: 12px;
  }
  
  .aura-signup-form .form-control {
    border-radius: 12px;
    width: 100%;
    margin-bottom: 0;
  }
  
  .aura-signup-form .aura-btn-primary {
    border-radius: 12px;
    width: 100%;
  }
}


/* --------------------------------
   Footer
   -------------------------------- */
.aura-footer {
  padding: 40px 0;
  background: var(--aura-ink);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.aura-footer-tagline {
  font-size: 14px;
  color: var(--aura-gray);
  margin-bottom: 12px;
}

.aura-footer-links a {
  color: var(--aura-gray-dark);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.aura-footer-links a:hover {
  color: white;
}

/* --------------------------------
   Utility: Smooth Section Spacing
   -------------------------------- */
section + section {
  border-top: 1px solid var(--aura-gray);
}

.aura-case-alt + .aura-case {
  border-top: none;
}

.aura-case + .aura-signup {
  border-top: none;
}
/* --------------------------------
   Updated Footer Styles
   -------------------------------- */
.aura-footer {
  padding: 60px 0 40px;
  background: var(--aura-ink);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.aura-company-info {
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.aura-company-name {
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}

.aura-company-subtitle {
  font-size: 14px;
  color: var(--aura-gray);
  margin-bottom: 0;
}

.aura-copyright {
  font-size: 14px;
  color: var(--aura-gray-dark);
  line-height: 1.5;
}

.aura-footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.aura-footer-links a {
  color: var(--aura-gray-dark);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
  padding: 4px 8px;
}

.aura-footer-links a:hover {
  color: white;
}

.aura-footer-links span {
  color: var(--aura-gray-dark);
  font-size: 14px;
}

.aura-footer-tagline {
  font-size: 14px;
  color: var(--aura-gray);
  margin-top: 20px;
  font-style: italic;
}

@media (max-width: 768px) {
  .aura-footer {
    padding: 40px 0 30px;
  }
  
  .aura-company-name {
    font-size: 16px;
  }
  
  .aura-company-subtitle {
    font-size: 13px;
  }
  
  .aura-footer-links {
    flex-direction: column;
    gap: 12px;
  }
  
  .aura-footer-links span {
    display: none;
  }
}
/* --------------------------------
   Auth Form Additions
   -------------------------------- */
.aura-auth-hint {
  color: var(--aura-gray);
  font-size: 14px;
  margin-bottom: 16px;
}

.aura-auth-error {
  color: var(--aura-coral, #FF8B94);
  font-size: 14px;
  margin-top: 12px;
  margin-bottom: 0;
}

.aura-auth-back {
  color: var(--aura-gray);
  font-size: 14px;
  margin-top: 16px;
  text-decoration: none;
}

.aura-auth-back:hover {
  color: white;
}
/* --------------------------------
   Mind Section
   -------------------------------- */
.aura-mind {
  padding: var(--section-padding);
  background: var(--aura-ink);
  color: white;
}

.aura-mind-title {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
}

.aura-mind-card {
  text-align: center;
}

.aura-mind-image-wrapper {
  margin-bottom: 24px;
}

.aura-mind-image {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(107, 94, 205, 0.3);
}

.aura-mind-card-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: white;
}

.aura-mind-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  max-width: 280px;
  margin: 0 auto;
}

.aura-mind-bullets li {
  font-size: 16px;
  color: var(--aura-gray);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.aura-mind-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aura-gradient);
}

@media (max-width: 768px) {
  .aura-mind {
    padding: var(--section-padding-mobile);
  }
  
  .aura-mind-title {
    font-size: 28px;
    margin-bottom: 40px;
  }
  
  .aura-mind-image {
    max-width: 200px;
  }
  
  .aura-mind-card-title {
    font-size: 20px;
  }
}

/* --------------------------------
   备案信息样式
   -------------------------------- */
.aura-beian {
  font-size: 14px;
  line-height: 1.4;
}

.aura-beian p {
  margin-bottom: 4px;
}

.aura-beian a {
  color: var(--aura-gray-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.aura-beian a:hover {
  color: white;
  text-decoration: underline;
}

/* 调整原有样式（如有需要） */
.aura-copyright {
  font-size: 14px;
  color: var(--aura-gray);
}

.aura-footer-links a {
  color: var(--aura-gray-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.aura-footer-links a:hover {
  color: white;
  text-decoration: underline;
}

.aura-footer-tagline {
  font-size: 14px;
  color: var(--aura-gray);
}