/* ==========================================================================
   AuthKit Midnight Glass Cathedral — HariAI Landing Page Design System
   ========================================================================== */

:root {
  /* AuthKit Color Tokens */
  --color-midnight-canvas: #05060f;
  --color-steel-plate: #2f343e;
  --color-fog-veil: #9da7ba;
  --color-moon-mist: #c7d3ea;
  --color-frost-glow: #d1e4fa;
  --color-ice-highlight: #d8ecf8;
  --gradient-ice-highlight: linear-gradient(180deg, #d8ecf8 0%, #98c0ef 100%);
  --color-pure-white: #ffffff;
  --color-void-violet: #663af3;
  --color-void-violet-hover: #794dff;
  --color-blueprint-blue: #b6d9fc;
  --color-ember-glow: #e46d4c;
  --color-signal-blue: #027dea;
  --color-deep-teal: #269684;
  --color-gridline-blue: #3f4959;
  --color-glass-edge: rgba(186, 215, 247, 0.12);
  --color-luminous-fill: rgba(199, 211, 234, 0.08);

  /* Typography */
  --font-untitled-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-aeonikpro: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-dotdigital: 'JetBrains Mono', monospace;

  /* Type Scale */
  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-subheading: 18px;
  --text-heading-sm: 24px;
  --text-heading: 28px;
  --text-heading-lg: 44px;
  --text-display: 56px;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-56: 56px;
  --spacing-100: 100px;
  --spacing-120: 120px;

  /* Border Radius */
  --radius-cards: 16px;
  --radius-badges: 6px;
  --radius-inputs: 6px;
  --radius-buttons: 999px;
  --radius-iconcontainers: 9999px;

  /* Inset Glass Elevation Shadows */
  --shadow-glass-card: inset 0 1px 1px rgba(216, 236, 248, 0.2), inset 0 24px 48px rgba(168, 216, 245, 0.06), 0 16px 32px rgba(0, 0, 0, 0.3);
  --shadow-hero-card: inset 0 1px 1px rgba(216, 236, 248, 0.25), inset 0 24px 48px rgba(168, 216, 245, 0.08), 0 24px 48px rgba(0, 0, 0, 0.5);
  --shadow-subtle-glow: inset 0 0 0 1px rgba(186, 215, 247, 0.12);
}

/* ==========================================================================
   Global Reset & Canvas
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--color-midnight-canvas);
  color: var(--color-moon-mist);
  font-family: var(--font-untitled-sans);
  font-size: var(--text-body);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Blueprint Grid Layer */
.blueprint-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(186, 215, 247, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(186, 215, 247, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.8) 0%, transparent 80%);
}

/* Top Conic Spotlight Halo */
.spotlight-halo {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: conic-gradient(at 50% 0%, transparent 42%, rgba(124, 145, 182, 0.25) 48%, rgba(124, 145, 182, 0.45) 50%, rgba(124, 145, 182, 0.25) 52%, transparent 58%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-24);
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(5, 6, 15, 0.65);
  border-bottom: 1px solid var(--color-glass-edge);
}

.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  text-decoration: none;
  color: var(--color-frost-glow);
  font-family: var(--font-aeonikpro);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-iconcontainers);
  background: var(--color-luminous-fill);
  border: 1px solid var(--color-glass-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-frost-glow);
  font-size: 14px;
  font-weight: 600;
  box-shadow: inset 0 1px 1px rgba(216, 236, 248, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-32);
}

.nav-link {
  color: var(--color-fog-veil);
  text-decoration: none;
  font-size: var(--text-body-sm);
  font-weight: 400;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-pure-white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
}

/* ==========================================================================
   Buttons & Pills
   ========================================================================== */
.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
  border-radius: var(--radius-buttons);
  padding: 8px 16px;
  font-family: var(--font-untitled-sans);
  font-size: var(--text-body-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.pill-btn-ghost {
  background: rgba(186, 214, 247, 0.06);
  color: var(--color-pure-white);
  border: 1px solid var(--color-glass-edge);
  box-shadow: inset 0 1px 1px rgba(216, 236, 248, 0.12);
}

.pill-btn-ghost:hover {
  background: rgba(186, 214, 247, 0.12);
  border-color: rgba(186, 215, 247, 0.24);
  transform: translateY(-1px);
}

.violet-btn {
  background: var(--color-void-violet);
  color: var(--color-pure-white);
  border-radius: var(--radius-badges);
  padding: 12px 24px;
  font-family: var(--font-untitled-sans);
  font-size: var(--text-body);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(102, 58, 243, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.violet-btn:hover {
  background: var(--color-void-violet-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102, 58, 243, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Section Headers & Eyebrows
   ========================================================================== */
.section-eyebrow-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-16);
}

.eyebrow-line {
  height: 1px;
  width: 80px;
  background: linear-gradient(90deg, transparent 0%, var(--color-glass-edge) 100%);
}

.eyebrow-line.reverse {
  background: linear-gradient(90deg, var(--color-glass-edge) 0%, transparent 100%);
}

.section-eyebrow {
  font-family: var(--font-dotdigital);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.10em;
  color: var(--color-moon-mist);
  text-transform: uppercase;
}

.section-heading {
  font-family: var(--font-aeonikpro);
  font-size: var(--text-heading-lg);
  font-weight: 500;
  line-height: 1.16;
  color: var(--color-ice-highlight);
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-subheading {
  font-size: var(--text-subheading);
  color: var(--color-fog-veil);
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-48);
}

/* ==========================================================================
   Hero Section & Overlapping Floating Cards
   ========================================================================== */
.hero-section {
  padding-top: 140px;
  padding-bottom: var(--spacing-100);
  text-align: center;
  position: relative;
}

.hero-wordmark {
  font-family: var(--font-aeonikpro);
  font-size: 88px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: var(--gradient-ice-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-24);
}

.hero-body {
  font-size: 20px;
  color: var(--color-moon-mist);
  max-width: 680px;
  margin: 0 auto var(--spacing-40);
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-56);
}

/* Overlapping Fan Cards Container */
.hero-visual-stage {
  position: relative;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  height: 480px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glass-card {
  position: absolute;
  background: rgba(5, 6, 15, 0.94);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-hero-card);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-glass-card.left-card {
  width: 320px;
  left: 20px;
  top: 40px;
  transform: rotate(-6deg) scale(0.92);
  z-index: 10;
  opacity: 0.85;
}

.hero-glass-card.center-card {
  width: 520px;
  z-index: 30;
  top: 0;
  transform: scale(1.02);
}

.hero-glass-card.right-card {
  width: 320px;
  right: 20px;
  top: 40px;
  transform: rotate(6deg) scale(0.92);
  z-index: 10;
  opacity: 0.85;
}

.hero-visual-stage:hover .hero-glass-card.left-card {
  transform: rotate(-3deg) translateX(-15px) scale(0.96);
  opacity: 1;
}

.hero-visual-stage:hover .hero-glass-card.right-card {
  transform: rotate(3deg) translateX(15px) scale(0.96);
  opacity: 1;
}

/* Card Mockup UI Components */
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-glass-edge);
  padding-bottom: var(--spacing-12);
  margin-bottom: var(--spacing-16);
}

.mockup-title {
  font-family: var(--font-aeonikpro);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-frost-glow);
}

.mockup-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: var(--radius-badges);
  background: var(--color-luminous-fill);
  color: var(--color-blueprint-blue);
  border: 1px solid var(--color-glass-edge);
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00ff26;
  box-shadow: 0 0 8px #00ff26;
}

.mockup-input {
  width: 100%;
  background: rgba(199, 211, 234, 0.06);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-inputs);
  padding: 10px 14px;
  color: var(--color-pure-white);
  font-size: var(--text-body-sm);
  margin-bottom: var(--spacing-12);
  outline: none;
}

.mockup-answer-box {
  background: rgba(186, 215, 247, 0.03);
  border: 1px solid var(--color-glass-edge);
  border-radius: 8px;
  padding: 14px;
  font-size: 13px;
  color: var(--color-frost-glow);
  text-align: left;
  line-height: 1.6;
}

/* ==========================================================================
   Feature Timeline Section
   ========================================================================== */
.feature-timeline-section {
  padding: var(--spacing-100) 0;
  border-top: 1px solid var(--color-glass-edge);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-16);
  position: relative;
  margin-top: var(--spacing-48);
}

.timeline-connector {
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--color-glass-edge);
  z-index: 1;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.timeline-icon-tile {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-iconcontainers);
  background: rgba(186, 214, 247, 0.06);
  border: 1px solid var(--color-glass-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-frost-glow);
  font-size: 20px;
  margin-bottom: var(--spacing-16);
  box-shadow: inset 0 1px 1px rgba(216, 236, 248, 0.15);
  transition: all 0.3s ease;
}

.timeline-item:hover .timeline-icon-tile {
  background: rgba(186, 214, 247, 0.12);
  border-color: rgba(186, 215, 247, 0.3);
  transform: translateY(-3px);
  color: var(--color-pure-white);
}

.timeline-label {
  font-size: var(--text-body-sm);
  color: var(--color-moon-mist);
  font-weight: 500;
}

/* ==========================================================================
   Interactive Live AI Playground Section
   ========================================================================== */
.playground-section {
  padding: var(--spacing-100) 0;
  border-top: 1px solid var(--color-glass-edge);
}

.playground-container {
  background: rgba(5, 6, 15, 0.95);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  box-shadow: var(--shadow-glass-card);
  max-width: 900px;
  margin: 0 auto;
}

.playground-tabs {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-24);
  border-bottom: 1px solid var(--color-glass-edge);
  padding-bottom: var(--spacing-12);
}

.playground-tab {
  background: transparent;
  border: none;
  color: var(--color-fog-veil);
  padding: 8px 16px;
  border-radius: var(--radius-buttons);
  cursor: pointer;
  font-size: var(--text-body-sm);
  font-weight: 500;
  transition: all 0.2s ease;
}

.playground-tab.active {
  background: rgba(186, 214, 247, 0.1);
  color: var(--color-pure-white);
  border: 1px solid var(--color-glass-edge);
}

.playground-display {
  background: rgba(186, 215, 247, 0.03);
  border: 1px solid var(--color-glass-edge);
  border-radius: 12px;
  padding: var(--spacing-24);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.playground-prompt-area {
  display: flex;
  gap: var(--spacing-12);
  margin-top: var(--spacing-20);
}

.playground-input {
  flex: 1;
  background: rgba(199, 211, 234, 0.06);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-inputs);
  padding: 12px 16px;
  color: var(--color-pure-white);
  font-size: var(--text-body-sm);
  outline: none;
}

.playground-input:focus {
  border-color: rgba(186, 215, 247, 0.3);
  box-shadow: 0 0 12px rgba(186, 207, 247, 0.15);
}

/* ==========================================================================
   Pricing Section Cards
   ========================================================================== */
.pricing-section {
  padding: var(--spacing-120) 0;
  border-top: 1px solid var(--color-glass-edge);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
  margin-top: var(--spacing-48);
}

.pricing-card {
  background: rgba(5, 6, 15, 0.92);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-glass-card);
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.popular {
  border-color: rgba(102, 58, 243, 0.5);
  box-shadow: 0 0 32px rgba(102, 58, 243, 0.2), inset 0 1px 1px rgba(216, 236, 248, 0.25);
}

.pricing-popular-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-void-violet);
  color: var(--color-pure-white);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-badges);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-title {
  font-family: var(--font-aeonikpro);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-frost-glow);
  margin-bottom: var(--spacing-8);
}

.pricing-price {
  font-family: var(--font-aeonikpro);
  font-size: 40px;
  font-weight: 500;
  color: var(--color-pure-white);
  margin-bottom: var(--spacing-16);
}

.pricing-price span {
  font-size: 14px;
  color: var(--color-fog-veil);
  font-family: var(--font-untitled-sans);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-32);
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-body-sm);
  color: var(--color-moon-mist);
  margin-bottom: var(--spacing-12);
}

.check-icon {
  color: var(--color-blueprint-blue);
  font-size: 14px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: var(--spacing-56) 0 var(--spacing-32);
  border-top: 1px solid var(--color-glass-edge);
  background: rgba(5, 6, 15, 0.98);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-32);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
}

.footer-copyright {
  font-size: var(--text-caption);
  color: var(--color-fog-veil);
  text-align: center;
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */
/* ==========================================================================
   Auth Modal Backdrop & Card Styles
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 6, 15, 0.85);
  backdrop-filter: blur(16px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.hidden {
  display: none !important;
}

.auth-modal-card {
  width: 100%;
  max-width: 440px;
  background: rgba(5, 6, 15, 0.96);
  border: 1px solid var(--color-glass-edge);
  border-radius: var(--radius-cards);
  padding: 28px;
  box-shadow: var(--shadow-hero-card);
  text-align: center;
}

.hidden {
  display: none !important;
}