/* ============================================================
   LogPilot.dev - Aether / Liquid Glass Design System
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-tertiary: #1a1a1a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --bg-glass-active: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-blue: #007AFF;
  --accent-blue-glow: rgba(0, 122, 255, 0.15);
  --accent-blue-hover: #0066d6;
  --accent-orange: #FF9500;
  --accent-orange-glow: rgba(255, 149, 0, 0.15);
  --accent-green: #34C759;
  --accent-green-glow: rgba(52, 199, 89, 0.15);
  --accent-red: #FF3B30;
  --accent-red-glow: rgba(255, 59, 48, 0.15);
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Base Reset & Global --- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

::selection {
  background: var(--accent-blue);
  color: white;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ============================================================
   Liquid Glass Component System
   ============================================================ */

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(140%) brightness(105%);
  -webkit-backdrop-filter: blur(16px) saturate(140%) brightness(105%);
  border: 1px solid var(--border-glass);
  transition: all 0.4s var(--ease-out-expo);
}

.glass:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(150%) brightness(108%);
  -webkit-backdrop-filter: blur(20px) saturate(150%) brightness(108%);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  transition: all 0.5s var(--ease-out-expo);
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 0 20px var(--accent-blue-glow);
  transform: translateY(-2px);
}

.glass-nav {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid var(--border-glass);
}

.glass-input {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  transition: all 0.3s var(--ease-out-expo);
}

.glass-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow:
    0 0 0 3px var(--accent-blue-glow),
    inset 0 0 12px rgba(0, 122, 255, 0.05);
}

.glass-input::placeholder {
  color: var(--text-muted);
}

/* --- Buttons --- */
.btn-primary {
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: 1rem;
  padding: 0.625rem 1.5rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 20px var(--accent-blue-glow);
  transform: translateY(-1px);
}

.btn-primary:hover::after { opacity: 1; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  padding: 0.625rem 1.5rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
}

.btn-outline {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  border-radius: 1rem;
  padding: 0.625rem 1.5rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}

.btn-outline:hover {
  background: var(--accent-blue-glow);
  box-shadow: 0 0 20px var(--accent-blue-glow);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
}

.badge-blue {
  background: var(--accent-blue-glow);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 122, 255, 0.2);
}

.badge-orange {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 149, 0, 0.2);
}

.badge-green {
  background: var(--accent-green-glow);
  color: var(--accent-green);
  border: 1px solid rgba(52, 199, 89, 0.2);
}

/* ============================================================
   Terminal Component
   ============================================================ */

.terminal {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-glass);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
}

.terminal-dot.red { background: #FF5F57; }
.terminal-dot.yellow { background: #FEBC2E; }
.terminal-dot.green { background: #28C840; }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1rem;
  max-height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
}

.terminal-line {
  white-space: nowrap;
  opacity: 0;
  animation: fadeInLine 0.3s var(--ease-out-expo) forwards;
}

.log-timestamp { color: var(--text-muted); }
.log-info { color: var(--accent-blue); }
.log-warn { color: var(--accent-orange); }
.log-error { color: var(--accent-red); }
.log-success { color: var(--accent-green); }
.log-dim { color: var(--text-muted); opacity: 0.6; }

/* ============================================================
   Pilot Mode Toggle
   ============================================================ */

.pilot-toggle {
  position: relative;
  width: 56px;
  height: 28px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all 0.4s var(--ease-spring);
}

.pilot-toggle.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--accent-blue-glow);
}

.pilot-toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  border-radius: 9999px;
  background: white;
  transition: all 0.4s var(--ease-spring);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.pilot-toggle.active .pilot-toggle-knob {
  left: 30px;
}

/* ============================================================
   Navigation
   ============================================================ */

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 1rem;
  transition: all 0.3s var(--ease-out-expo);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass-active);
}

/* --- Mobile Nav --- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out-expo);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
}

.mobile-menu .nav-link {
  font-size: 1.25rem;
}

/* ============================================================
   Hero Section
   ============================================================ */

.hero-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-gradient-blue {
  background: var(--accent-blue);
  top: -200px;
  right: -100px;
}

.hero-gradient-orange {
  background: var(--accent-orange);
  bottom: -200px;
  left: -100px;
  opacity: 0.08;
}

/* ============================================================
   Feature Cards
   ============================================================ */

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all 0.4s var(--ease-out-expo);
}

.feature-icon-blue {
  background: var(--accent-blue-glow);
  color: var(--accent-blue);
}

.feature-icon-orange {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
}

.feature-icon-green {
  background: var(--accent-green-glow);
  color: var(--accent-green);
}

.feature-icon-red {
  background: var(--accent-red-glow);
  color: var(--accent-red);
}

.glass-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: 0 0 20px currentColor;
}

/* ============================================================
   Interactive Demo
   ============================================================ */

.demo-container {
  border-radius: 1rem;
  overflow: hidden;
}

.demo-result {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* ============================================================
   Dashboard
   ============================================================ */

.metric-card {
  border-radius: 1rem;
  padding: 1.25rem;
  transition: all 0.4s var(--ease-out-expo);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.log-entry {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transition: background 0.2s;
  cursor: pointer;
}

.log-entry:hover {
  background: var(--bg-glass-hover);
}

.service-node {
  width: 64px;
  height: 64px;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.4s var(--ease-out-expo);
  border: 1px solid var(--border-glass);
}

.service-node.healthy {
  background: var(--accent-green-glow);
  color: var(--accent-green);
  border-color: rgba(52, 199, 89, 0.2);
}

.service-node.warning {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
  border-color: rgba(255, 149, 0, 0.2);
  animation: pulse-warning 2s ease-in-out infinite;
}

.service-node.error {
  background: var(--accent-red-glow);
  color: var(--accent-red);
  border-color: rgba(255, 59, 48, 0.3);
  animation: pulse-error 1.5s ease-in-out infinite;
}

/* ============================================================
   Pricing
   ============================================================ */

.pricing-card {
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.5s var(--ease-out-expo);
}

.pricing-card.featured {
  border-color: var(--accent-blue);
  box-shadow: 0 0 40px var(--accent-blue-glow);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

/* ============================================================
   Docs
   ============================================================ */

.code-block {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.code-block-body {
  padding: 1rem;
  overflow-x: auto;
  line-height: 1.7;
}

.sidebar-link {
  display: block;
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s var(--ease-out-expo);
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.sidebar-link.active {
  color: var(--accent-blue);
  background: var(--accent-blue-glow);
  border-left-color: var(--accent-blue);
}

/* ============================================================
   Roadmap / Timeline
   ============================================================ */

.timeline-item {
  position: relative;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 9999px;
  background: var(--accent-blue);
  box-shadow: 0 0 12px var(--accent-blue-glow);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 24px;
  width: 2px;
  bottom: -16px;
  background: var(--border-glass);
}

.timeline-item:last-child::after { display: none; }

/* ============================================================
   FAQ Accordion
   ============================================================ */

.faq-item {
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s var(--ease-out-expo);
}

.faq-item:hover {
  border-color: var(--border-glass-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 500;
  background: transparent;
  border: none;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out-expo), padding 0.4s var(--ease-out-expo);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.25rem 1rem;
}

.faq-chevron {
  transition: transform 0.3s var(--ease-out-expo);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

/* ============================================================
   Animations
   ============================================================ */

@keyframes fadeInLine {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse-warning {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 149, 0, 0.2); }
  50% { box-shadow: 0 0 16px 4px rgba(255, 149, 0, 0.15); }
}

@keyframes pulse-error {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.2); }
  50% { box-shadow: 0 0 16px 4px rgba(255, 59, 48, 0.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-blue); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
  opacity: 0;
}

.animate-fade-in {
  animation: fadeIn 0.6s var(--ease-out-expo) forwards;
  opacity: 0;
}

.animate-slide-left {
  animation: slideInLeft 0.6s var(--ease-out-expo) forwards;
  opacity: 0;
}

.animate-slide-right {
  animation: slideInRight 0.6s var(--ease-out-expo) forwards;
  opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Footer
   ============================================================ */

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--text-primary);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
  .hero-gradient { width: 300px; height: 300px; }
  .metric-value { font-size: 1.5rem; }
  .terminal-body { max-height: 240px; }
}

/* ============================================================
   Utility - Glow effects
   ============================================================ */

.glow-blue { box-shadow: 0 0 30px var(--accent-blue-glow); }
.glow-orange { box-shadow: 0 0 30px var(--accent-orange-glow); }
.glow-green { box-shadow: 0 0 30px var(--accent-green-glow); }

.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue), #5AC8FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-orange {
  background: linear-gradient(135deg, var(--accent-orange), #FFD60A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.border-gradient {
  border-image: linear-gradient(135deg, var(--accent-blue), transparent) 1;
}

/* Grid pattern background */
.bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* Noise texture overlay */
.bg-noise::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.015;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  z-index: 9999;
}