/* ==========================================================================
   Stop the Slop — Design System & Stylesheet
   ========================================================================== */

:root {
  /* Color Palette - Light Theme (Fixed) */
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(0, 0, 0, 0.18);
  --border-glow: rgba(99, 102, 241, 0.3);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* Brand Accents */
  --accent-primary: #6366f1;       /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-yt: #ff0033;            /* YouTube Red */
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --grad-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --grad-yt: linear-gradient(135deg, #ff0033 0%, #ff4b4b 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.08), 0 2px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 16px 36px -6px rgba(0, 0, 0, 0.1), 0 6px 16px -4px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 30px -5px rgba(99, 102, 241, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1200px;
}

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

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  background-image: 
    radial-gradient(at 100% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(244, 63, 94, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--bg-surface-glass);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.25);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.theme-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

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

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

.btn-icon-yt {
  color: var(--accent-yt);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background-color: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.hero-pill-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title-grad {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-item svg {
  color: var(--accent-emerald);
}

/* ==========================================================================
   Live Interactive Simulator Widget
   ========================================================================== */
.simulator-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.simulator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background-color: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.sim-window-dots {
  display: flex;
  gap: 6px;
}

.sim-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.sim-dot-red { background: #ef4444; }
.sim-dot-yellow { background: #f59e0b; }
.sim-dot-green { background: #10b981; }

.sim-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sim-presets {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
}

.preset-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.preset-btn.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.3);
}

.simulator-body {
  padding: 1.5rem;
}

.gauge-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.gauge-svg {
  width: 220px;
  height: 130px;
}

.gauge-bg-track {
  stroke: rgba(0, 0, 0, 0.08);
}

.gauge-needle {
  transform-origin: 100px 100px;
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  stroke: var(--text-primary);
}

.gauge-needle-center {
  fill: var(--text-primary);
}

.gauge-score-display {
  margin-top: -15px;
  text-align: center;
}

.gauge-percentage {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: block;
  line-height: 1;
}

.gauge-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--text-muted);
}

.sim-verdict-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  transition: all var(--transition-normal);
}

.verdict-ai {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.verdict-human {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.sim-transcript-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  max-height: 140px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.highlight-ai {
  background: rgba(239, 68, 68, 0.15);
  color: #991b1b;
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
  border-bottom: 1.5px solid #ef4444;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.section {
  padding-block: 90px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-pill {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
}

.feature-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
}

.step-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
}

.step-number {
  font-size: 2.75rem;
  font-weight: 900;
  color: rgba(99, 102, 241, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Installation / Get Started Section
   ========================================================================== */
.install-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  background-image: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.install-tabs {
  display: inline-flex;
  background: var(--bg-base);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tab-pane {
  display: none;
  max-width: 600px;
  margin-inline: auto;
  text-align: left;
}

.tab-pane.active {
  display: block;
}

.code-block {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: 'JetBrains Mono', monospace, monospace;
  font-size: 0.88rem;
  color: #f1f5f9;
  position: relative;
  margin-block: 1rem;
}

.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  background: #1e293b;
  color: #94a3b8;
  border: 1px solid #334155;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  color: #f8fafc;
  border-color: #64748b;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-focus);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-normal);
  color: var(--text-muted);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Privacy Policy Page Specific Styles
   ========================================================================== */
.privacy-container {
  padding-top: 130px;
  padding-bottom: 80px;
  max-width: 800px;
  margin-inline: auto;
}

.privacy-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-md);
}

.privacy-card h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.privacy-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.privacy-card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.privacy-card p, .privacy-card li {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.privacy-card ul {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.privacy-badge-box {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-block: 1.5rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  padding-block: 4rem 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .brand-badge {
    display: none;
  }
  #nav-btn-install {
    display: none;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .hero {
    padding-top: 110px;
  }
}