@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #07090e;
  --bg-secondary: #0f131f;
  --bg-card: rgba(15, 20, 35, 0.4);
  --bg-glass: rgba(255, 255, 255, 0.02);
  --border-glass: rgba(255, 255, 255, 0.07);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  
  --accent-primary: #6366f1;
  --accent-primary-rgb: 99, 102, 241;
  --accent-secondary: #06b6d4;
  --accent-secondary-rgb: 6, 182, 212;
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-tech: 'Outfit', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
  --container-width: 1200px;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Geometric Tech Background Grid Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 80% 60%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  z-index: -1;
  pointer-events: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-tech);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Custom Selection Color */
::selection {
  background-color: rgba(99, 102, 241, 0.3);
  color: #fff;
}

/* Shared Containers */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* Navigation Header */
header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
}

header .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-glass);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.logo-text {
  font-family: var(--font-tech);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 50%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Controls (Language switch) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 2px;
  position: relative;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 4px 12px;
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: 18px;
  transition: var(--transition-smooth);
}

.lang-btn.active {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  max-width: 800px;
}

.badge-privacy {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--accent-secondary);
  font-family: var(--font-tech);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 50px;
  align-self: flex-start;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-content .badge-privacy {
  align-self: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #4338ca 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--font-tech);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 10px;
  gap: 0.75rem;
  box-shadow: var(--glow-shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.35);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-appstore img {
  height: 44px;
  width: auto;
  display: block;
}

.btn-appstore:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Glass Mockup Frame */
.hero-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup-container {
  width: 280px;
  height: 560px;
  background: rgba(10, 10, 15, 0.85);
  border: 8px solid #1c1d25;
  border-radius: 40px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 40px rgba(99, 102, 241, 0.1);
  overflow: hidden;
  position: relative;
}

/* Dynamic glow effect behind phone */
.glow-backdrop {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  z-index: -1;
  filter: blur(20px);
}

/* Internal Mockup Shell (UI of Warranties Vault) */
.mockup-ui {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.5rem 1rem;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
}

.mockup-logo-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mockup-logo {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--accent-primary);
}

.mockup-logo-text {
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 700;
}

.mockup-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* Mockup Lists */
.mockup-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mockup-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-card-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mockup-card-title {
  font-size: 0.75rem;
  font-weight: 600;
}

.mockup-card-sub {
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.mockup-card-badge {
  font-size: 0.6rem;
  font-family: var(--font-tech);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 30px;
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-yellow {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-tech);
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.2rem;
  background: linear-gradient(135deg, #fff 60%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Features Grid */
.features-section {
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 20px rgba(99, 102, 241, 0.05);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.07);
  border: 1px solid rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.feature-card:hover .feature-icon-box {
  background: rgba(99, 102, 241, 0.15);
  color: #fff;
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
}

.feature-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Privacy Assurance Section */
.privacy-assurance-section {
  padding: 5rem 0;
}

.privacy-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(6, 182, 212, 0.03) 100%);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 24px;
  padding: 4rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.privacy-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.privacy-title {
  font-size: 2.2rem;
  background: linear-gradient(135deg, #fff 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.privacy-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.privacy-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.metric-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1.5rem 1rem;
}

.metric-val {
  font-family: var(--font-tech);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-secondary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* Static Docs Layout (Privacy / Support / Terms) */
.page-hero {
  padding: 6rem 0 3rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 4rem;
}

.page-title {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 50%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.doc-layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 4rem;
  padding-bottom: 8rem;
}

.doc-content {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 3rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.doc-section {
  margin-bottom: 2.5rem;
}

.doc-section:last-child {
  margin-bottom: 0;
}

.doc-section h2 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.5rem;
}

.doc-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.doc-section ul {
  list-style: none;
  margin-left: 0.5rem;
  margin-bottom: 1.5rem;
}

.doc-section li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.25rem;
}

.doc-section li::before {
  content: "•";
  color: var(--accent-primary);
  font-size: 1.2rem;
  position: absolute;
  left: 0;
  top: -2px;
}

.doc-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sidebar-title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.sidebar-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Interactive FAQ Grid */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--accent-primary);
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: rgba(99, 102, 241, 0.3);
  background: rgba(255, 255, 255, 0.03);
}

.faq-item.active .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding-bottom: 1.25rem;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* Dynamic Support Form Setup */
.support-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  color: #fff;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
}

/* Modern HTML5 User Validation (Valid / Invalid states on unfocus) */
.form-input:user-invalid, .form-textarea:user-invalid {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.02);
}

.form-input:user-valid, .form-textarea:user-valid {
  border-color: #10b981;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #4338ca 100%);
  border: none;
  color: #fff;
  font-family: var(--font-tech);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  align-self: flex-start;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.form-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.form-status-msg {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  display: none;
  font-weight: 500;
  animation: fadeIn 0.3s ease;
}

.form-status-msg.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
}

/* Footer Section */
footer {
  background: #04060a;
  border-top: 1px solid var(--border-glass);
  padding: 4rem 0 2rem 0;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-nav-title {
  font-family: var(--font-tech);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-nav-link:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Translation engine transition opacity class */
.fade-out {
  opacity: 0.2;
}

/* Simple Keyframes animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Breaks */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .badge-privacy {
    align-self: center;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .privacy-box {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem;
  }
  
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary {
    width: 100%;
  }
  
  .btn-appstore {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .doc-content {
    padding: 2rem 1.5rem;
  }
}