/* FlowState Learn - Exact DAW Design Match */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Exact FlowState DAW Colors */
  --fs-bg-primary: #0a0e1a;
  --fs-bg-secondary: #12182b;
  --fs-bg-tertiary: #1e2942;
  --fs-bg-elevated: #252f4a;
  --fs-accent: #00d4ff;
  --fs-accent-hot: #ff3366;
  --fs-accent-warm: #ff6b35;
  --fs-success: #00ff88;
  --fs-warning: #ffaa00;
  --fs-text: #f0f4ff;
  --fs-text-muted: #9ba3c0;
  --fs-text-dim: #7a8599;
  --fs-gradient-start: #00d4ff;
  --fs-gradient-end: #7c3aed;

  /* Fonts */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --max-width: 1120px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-glow-sm: 0 0 10px rgba(0, 212, 255, 0.2);
  --shadow-panel: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.5);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background: var(--fs-bg-primary);
  color: var(--fs-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  /* DAW background gradient */
  background-image:
    radial-gradient(ellipse at top, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(124, 58, 237, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--fs-text);
}

/* Scrollbar - matches DAW */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(10, 14, 26, 0.5);
}

::-webkit-scrollbar-thumb {
  background: var(--fs-bg-tertiary);
  border-radius: 4px;
  border: 2px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--fs-text-muted);
  background-clip: content-box;
}

/* Navigation - Glass Panel Style */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 24, 43, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-panel);
}

.nav-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--fs-text);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-logo:hover {
  text-shadow: var(--shadow-glow);
}

.logo-icon {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--fs-accent) 0%, var(--fs-gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--fs-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--fs-text);
  background: rgba(30, 41, 66, 0.5);
}

.nav-cta {
  background: linear-gradient(135deg, var(--fs-accent) 0%, var(--fs-gradient-end) 100%) !important;
  color: var(--fs-bg-primary) !important;
  font-weight: 600 !important;
  border-radius: var(--radius-md) !important;
}

.nav-cta:hover {
  box-shadow: var(--shadow-glow) !important;
  transform: scale(1.02);
}

/* Main Content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--fs-text) 0%, var(--fs-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--fs-text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* Sections */
section {
  margin-bottom: var(--spacing-2xl);
}

section h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
  color: var(--fs-text);
}

section > p {
  color: var(--fs-text-muted);
  margin-bottom: var(--spacing-lg);
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

/* Glass Panel Card - matches DAW panels */
.card {
  background: rgba(18, 24, 43, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  display: block;
  position: relative;
  box-shadow: var(--shadow-panel);
}

.card:hover {
  background: rgba(30, 41, 66, 0.8);
  border-color: rgba(155, 163, 192, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated), var(--shadow-glow-sm);
}

.card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(18, 24, 43, 0.9) 0%, rgba(30, 41, 66, 0.9) 100%);
  border-color: rgba(0, 212, 255, 0.3);
}

.card-featured:hover {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: var(--shadow-elevated), var(--shadow-glow);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--fs-text);
}

.card p {
  color: var(--fs-text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.card-time {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fs-text-dim);
  background: var(--fs-bg-primary);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--fs-bg-tertiary);
}

/* Topic Grid */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.topic h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fs-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--fs-bg-tertiary);
}

.topic ul {
  list-style: none;
}

.topic li {
  margin-bottom: var(--spacing-xs);
}

.topic a {
  color: var(--fs-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.topic a:hover {
  color: var(--fs-text);
  padding-left: 0.5rem;
}

.topic a::before {
  content: '→';
  opacity: 0;
  transform: translateX(-0.5rem);
  transition: all 0.2s;
  color: var(--fs-accent);
}

.topic a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* Help Section */
.help-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.help-card {
  background: var(--fs-bg-secondary);
  border: 1px solid var(--fs-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-decoration: none;
  text-align: center;
  transition: all 0.2s;
}

.help-card:hover {
  background: var(--fs-bg-tertiary);
  border-color: var(--fs-text-muted);
  box-shadow: var(--shadow-glow-sm);
}

.help-card h3 {
  color: var(--fs-text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.help-card p {
  color: var(--fs-text-muted);
  font-size: 0.875rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--fs-bg-tertiary);
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-2xl);
  background: var(--fs-bg-secondary);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-content p {
  color: var(--fs-text-dim);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

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

.footer-links a:hover {
  color: var(--fs-accent);
}

/* ========== GUIDE PAGE STYLES ========== */

.guide-header {
  margin-bottom: var(--spacing-xl);
}

.guide-header .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--fs-text-dim);
  margin-bottom: var(--spacing-sm);
}

.guide-header .breadcrumb a {
  color: var(--fs-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.guide-header .breadcrumb a:hover {
  color: var(--fs-text);
}

.guide-header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--fs-text);
}

.guide-header .meta {
  display: flex;
  gap: var(--spacing-md);
  color: var(--fs-text-muted);
  font-size: 0.875rem;
}

.guide-content {
  max-width: 720px;
}

.guide-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--fs-text);
}

.guide-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--fs-text);
}

.guide-content p {
  margin-bottom: var(--spacing-md);
  color: var(--fs-text-muted);
}

.guide-content a {
  color: var(--fs-accent);
  text-decoration: none;
  transition: all 0.2s;
}

.guide-content a:hover {
  color: var(--fs-text);
  text-decoration: underline;
}

.guide-content ul, .guide-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
  color: var(--fs-text-muted);
}

.guide-content li {
  margin-bottom: var(--spacing-xs);
}

.guide-content li strong {
  color: var(--fs-text);
}

/* Inline code */
.guide-content code {
  background: var(--fs-bg-tertiary);
  color: var(--fs-accent);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* Code blocks */
.guide-content pre {
  background: var(--fs-bg-secondary);
  border: 1px solid var(--fs-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

.guide-content pre code {
  background: none;
  padding: 0;
  color: var(--fs-text);
}

.guide-content img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--spacing-md) 0;
  border: 1px solid var(--fs-bg-tertiary);
}

/* Keyboard keys */
.guide-content kbd {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--fs-text);
  background: linear-gradient(180deg, var(--fs-bg-tertiary) 0%, var(--fs-bg-secondary) 100%);
  border: 1px solid var(--fs-bg-elevated);
  border-radius: 4px;
  box-shadow: 0 2px 0 var(--fs-bg-primary);
}

/* Callout boxes - matches DAW glass panels */
.guide-content .callout {
  background: rgba(18, 24, 43, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--fs-accent);
  padding: var(--spacing-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--spacing-md) 0;
}

.guide-content .callout strong {
  color: var(--fs-text);
}

.guide-content .callout.tip {
  border-left-color: var(--fs-success);
}

.guide-content .callout.warning {
  border-left-color: var(--fs-warning);
}

/* Numbered steps - matches DAW button styling */
.guide-content .steps {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.guide-content .steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: var(--spacing-lg);
}

.guide-content .steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--fs-accent) 0%, var(--fs-gradient-end) 100%);
  color: var(--fs-bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  box-shadow: var(--shadow-glow-sm);
}

/* Badge styles - matches DAW badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  font-family: var(--font-mono);
}

.badge-accent {
  background: rgba(0, 212, 255, 0.2);
  color: var(--fs-accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-hot {
  background: rgba(255, 51, 102, 0.2);
  color: var(--fs-accent-hot);
  border: 1px solid rgba(255, 51, 102, 0.3);
}

/* Shortcuts Table */
.shortcuts-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background: var(--fs-bg-secondary);
  border: 1px solid var(--fs-bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.shortcuts-table tr {
  border-bottom: 1px solid var(--fs-bg-tertiary);
}

.shortcuts-table tr:last-child {
  border-bottom: none;
}

.shortcuts-table td {
  padding: 0.75rem 1rem;
  color: var(--fs-text-muted);
}

.shortcuts-table td:first-child {
  width: 160px;
  color: var(--fs-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.shortcuts-table tr:hover {
  background: var(--fs-bg-tertiary);
}

/* Example block for voice commands */
.example-block {
  background: var(--fs-bg-secondary);
  border: 1px solid var(--fs-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.example-block p {
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--fs-accent);
}

.example-block p::before {
  content: '"';
}

.example-block p::after {
  content: '"';
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card-featured {
    grid-column: 1;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .guide-header h1 {
    font-size: 2rem;
  }
}