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

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Default Dark Mode */
  --bg-dark: #060814;
  --bg-darker: #020308;
  --bg-card: rgba(16, 22, 46, 0.65);
  --bg-card-hover: rgba(24, 33, 69, 0.85);
  --text-main: #f3f4f6;
  --text-sub: #9ca3af;
  --text-muted: #6b7280;
  
  /* Brand Gradients & Accents */
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  
  --gradient-indigo-purple: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-cyan-blue: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-hero: radial-gradient(circle at top, rgba(99, 102, 241, 0.15) 0%, rgba(6, 8, 20, 0) 60%);
  --gradient-card-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  
  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.2);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
  --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  
  /* Dynamic Theme Overrides */
  --bg-header: rgba(6, 8, 20, 0.75);
  --btn-sec-bg: rgba(255, 255, 255, 0.05);
  --btn-sec-text: #f3f4f6;
  --btn-sec-border: rgba(255, 255, 255, 0.1);
  --btn-sec-bg-hover: rgba(255, 255, 255, 0.1);
  --btn-sec-border-hover: rgba(255, 255, 255, 0.2);
  
  --badge-bg: rgba(99, 102, 241, 0.1);
  --badge-border: rgba(99, 102, 241, 0.2);
  --badge-text: #a5b4fc;
  
  --feature-bg: rgba(255, 255, 255, 0.02);
  --feature-bg-hover: rgba(255, 255, 255, 0.04);
  --feature-border: rgba(255, 255, 255, 0.12);
  --bg-dark-transparent: rgba(6, 8, 20, 0);
  
  --outline-indigo-text: #a5b4fc;
  --outline-indigo-hover-text: white;
  
  /* Animation Timing */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-darker: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --text-main: #0f172a;
  --text-sub: #475569;
  --text-muted: #64748b;
  
  --bg-header: rgba(248, 250, 252, 0.8);
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-glow: rgba(99, 102, 241, 0.12);
  --shadow-glow: 0 10px 40px rgba(99, 102, 241, 0.06);
  --shadow-lg: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
  --gradient-hero: radial-gradient(circle at top, rgba(99, 102, 241, 0.06) 0%, rgba(248, 250, 252, 0) 70%);
  --gradient-card-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.01) 0%, rgba(139, 92, 246, 0.01) 100%);
  
  --btn-sec-bg: rgba(15, 23, 42, 0.05);
  --btn-sec-text: #0f172a;
  --btn-sec-border: rgba(15, 23, 42, 0.08);
  --btn-sec-bg-hover: rgba(15, 23, 42, 0.1);
  --btn-sec-border-hover: rgba(15, 23, 42, 0.15);
  
  --badge-bg: rgba(99, 102, 241, 0.06);
  --badge-border: rgba(99, 102, 241, 0.15);
  --badge-text: var(--accent-indigo);
  
  --feature-bg: rgba(15, 23, 42, 0.02);
  --feature-bg-hover: rgba(15, 23, 42, 0.04);
  --feature-border: rgba(15, 23, 42, 0.08);
  --bg-dark-transparent: rgba(248, 250, 252, 0);
  
  --outline-indigo-text: var(--accent-indigo);
  --outline-indigo-hover-text: white;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  background-image: var(--gradient-hero);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.text-gradient {
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-indigo-purple {
  background-image: var(--gradient-indigo-purple);
}

.text-cyan-blue {
  background-image: var(--gradient-cyan-blue);
}

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

h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  position: relative;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

p {
  color: var(--text-sub);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
  transition: var(--transition-smooth);
}

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

.logo-link {
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  background: var(--gradient-indigo-purple);
  border-radius: 50%;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-sub);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link.active {
  color: var(--accent-indigo);
}
/* Dropdown Menu CSS */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.dropdown-caret {
  transition: transform var(--transition-smooth);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 0;
  min-width: 160px;
  box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 1000;
  list-style: none;
  margin: 0;
}

.dropdown-item {
  display: block;
  padding: 10px 16px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.dropdown-item:hover {
  color: var(--text-main);
  background-color: rgba(99, 102, 241, 0.1);
}

/* Show on Hover / Focus */
@media (min-width: 769px) {
  .dropdown:hover .dropdown-menu,
  .dropdown:focus-within .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(4px);
  }

  .dropdown:hover .dropdown-caret {
    transform: rotate(180deg);
  }
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 10px;
}

.btn-primary {
  background: var(--gradient-indigo-purple);
  color: white;
  border: none;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--btn-sec-bg);
  color: var(--btn-sec-text);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--btn-sec-bg-hover);
  border-color: var(--btn-sec-border-hover);
  transform: translateY(-2px);
}

.btn-outline-indigo {
  background: transparent;
  color: var(--outline-indigo-text);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.btn-outline-indigo:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-indigo);
  color: var(--outline-indigo-hover-text);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* Cards & Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.glass-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 40px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card-glow);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 0;
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}

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

.glass-card > * {
  position: relative;
  z-index: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.05);
}

.glass-card:hover .card-icon {
  background: rgba(255, 255, 255, 0.1);
}

.glass-card .btn-group {
  margin-top: auto;
  display: flex;
  gap: 12px;
  padding-top: 24px;
}

/* Hero Section */
.hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 100px 0 40px 0;
}

.hero p.tagline {
  font-size: 1.25rem;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto 32px auto;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 30px;
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

/* Features List inside Detail Pages */
.feature-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.feature-item {
  background: var(--feature-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px;
  transition: var(--transition-smooth);
}

.feature-item:hover {
  background: var(--feature-bg-hover);
  border-color: var(--feature-border);
}

.feature-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-check {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Pricing Card Special style */
.pricing-section {
  background: radial-gradient(circle at bottom, rgba(6, 182, 212, 0.08) 0%, rgba(6, 8, 20, 0) 70%);
}

.pricing-card {
  max-width: 500px;
  margin: 40px auto 0 auto;
  border: 1px solid rgba(6, 182, 212, 0.25);
  box-shadow: 0 10px 40px -10px rgba(6, 182, 212, 0.15);
}

.pricing-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.25), var(--shadow-lg);
}

.price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 16px 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-sub);
  margin-left: 6px;
}

/* Compliance Document styling (Terms, Privacy) */
.doc-layout {
  max-width: 800px;
  margin: 40px auto 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 48px;
}

.doc-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.doc-section {
  margin-bottom: 32px;
}

.doc-section h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text-main);
  border-bottom: none;
  padding-bottom: 0;
}

.doc-section p {
  font-size: 0.975rem;
  margin-bottom: 16px;
}

.doc-section ul {
  list-style-type: square;
  margin-left: 20px;
  margin-bottom: 16px;
  color: var(--text-sub);
}

.doc-section li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

/* Support & FAQs */
.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .support-grid {
    grid-template-columns: 3fr 2fr;
  }
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  outline: none;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-sub);
  font-size: 0.95rem;
}

.faq-answer p {
  padding-top: 12px;
  margin-bottom: 0;
}

.faq-toggle-icon {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--accent-indigo);
}

.faq-item.active .faq-answer {
  max-height: 350px;
}

/* Contact Info Box */
.contact-box {
  background: var(--feature-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}

.contact-email {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-indigo);
  text-decoration: none;
  display: inline-block;
  margin: 16px 0;
  transition: var(--transition-smooth);
}

.contact-email:hover {
  color: var(--accent-purple);
  text-decoration: underline;
}

/* Code Snippet Display */
.code-display {
  background: #020308;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
  font-family: monospace;
  font-size: 0.85rem;
  color: #38bdf8;
  overflow-x: auto;
  margin: 16px 0;
}

/* Footer */
footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: var(--text-main);
  margin-bottom: 12px;
}

.footer-links-title {
  color: var(--text-main);
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 10px;
}

.footer-links-list a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-links-list a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .hero {
    padding: 80px 0 40px 0;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 99;
  }
  
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  
  .doc-layout {
    padding: 24px;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }

  /* Mobile Dropdown styles */
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(255, 255, 255, 0.03);
    border-left: 2px solid var(--accent-indigo);
    border-radius: 0;
    margin-top: 8px;
    padding: 4px 0;
    width: 100%;
    min-width: 0;
    opacity: 1;
    pointer-events: auto;
    display: none;
  }
  
  .dropdown.active-mobile .dropdown-menu {
    display: block;
  }
  
  .dropdown.active-mobile .dropdown-caret {
    transform: rotate(180deg);
  }
}

/* Video Embed Container */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 800px;
  margin: 40px auto;
  border-radius: 16px;
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-darker);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Video Placeholder Styles */
.video-placeholder-link:hover .video-placeholder-overlay {
  background: rgba(2, 3, 8, 0.6) !important;
}

.video-placeholder-link:hover .play-btn-circle {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(6, 182, 212, 0.7) !important;
}

.video-placeholder-link:hover .video-placeholder-box {
  transform: translateY(-2px);
  border-color: rgba(6, 182, 212, 0.5) !important;
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.3), var(--shadow-lg) !important;
}

/* Theme Switcher Icon Visibility */
[data-theme="light"] .theme-toggle .sun-icon { display: none; }
[data-theme="light"] .theme-toggle .moon-icon { display: block; }
[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
[data-theme="dark"] .theme-toggle .moon-icon { display: none; }