:root {
  /* Colors - Banner Theme (from extension icon) */
  --color-primary: hsl(37, 100%, 50%);          /* warm orange cursor */
  --color-primary-hover: hsl(28, 100%, 45%);
  --color-secondary: hsl(220, 85%, 20%);        /* deep navy */
  --color-accent: hsl(46, 100%, 55%);           /* golden yellow */
  --color-blue: hsl(213, 90%, 46%);             /* bright blue tile */

  --color-background: hsl(48, 100%, 97%);       /* soft warm background */
  --color-foreground: hsl(221, 39%, 11%);
  --color-muted: hsl(210, 40%, 96%);
  --color-muted-foreground: hsl(215, 16%, 47%);
  --color-border: hsl(214, 32%, 91%);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-blue) 0%, var(--color-primary) 100%);
  --gradient-banner: linear-gradient(135deg, #ffd54f 0%, #ff9800 50%, #1565c0 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 16px 48px -8px rgba(15, 23, 42, 0.18);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-family); font-size: var(--font-size-base); line-height: 1.6; color: var(--color-foreground); background-color: var(--color-background); }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* Container */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
.container-narrow { max-width: 900px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-xs); padding: 0.5rem 1rem; font-size: var(--font-size-sm); font-weight: 500; border-radius: var(--radius-md); border: none; transition: all var(--transition-base); white-space: nowrap; }
.btn-primary { background: var(--gradient-primary); color: white; box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-foreground); border: 1px solid var(--color-border); }
.btn-outline:hover { background: rgba(255, 152, 0, 0.08); border-color: var(--color-primary); }
.btn-sm { padding: 0.375rem 0.75rem; font-size: var(--font-size-sm); }
.btn-lg { padding: 0.75rem 2rem; font-size: var(--font-size-lg); }
.btn-full { width: 100%; }
.btn-icon { gap: var(--spacing-sm); }
.btn-icon .icon-arrow { transition: transform var(--transition-base); }
.btn-primary:hover .icon-arrow { transform: translateX(4px); }

/* Navigation */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255, 252, 245, 0.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.nav-content { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.nav-logo { display: flex; align-items: center; gap: var(--spacing-sm); text-decoration: none; color: inherit; }
.nav-logo:hover { text-decoration: none; color: inherit; }
.logo-icon { display: flex; align-items: center; gap: 0.25rem; }
.logo-box { border-radius: var(--radius-md); }
.logo-box-1 { width: 2rem; height: 2rem; background: var(--gradient-banner); }
.logo-box-2 { width: 1.5rem; height: 1.5rem; background: var(--gradient-accent); }
.logo-text { font-size: var(--font-size-xl); font-weight: 700; color: var(--color-foreground); }
.nav-links { display: flex; align-items: center; gap: var(--spacing-xl); }
.nav-link { font-size: var(--font-size-sm); font-weight: 500; color: var(--color-muted-foreground); transition: color var(--transition-base); }
.nav-link:hover { color: var(--color-foreground); }
.nav-toggle { display: none; background: transparent; border: none; color: var(--color-foreground); }

/* Hero Section */
.hero { padding: 8rem var(--spacing-md) 5rem; background: radial-gradient(circle at top left, rgba(255, 213, 79, 0.6), transparent 55%), radial-gradient(circle at top right, rgba(24, 118, 210, 0.45), transparent 55%), linear-gradient(180deg, #fffdf5 0%, #f8fafc 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-3xl); align-items: center; }
.hero-content { display: flex; flex-direction: column; gap: var(--spacing-xl); }
.badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: var(--spacing-sm) var(--spacing-md); background: rgba(255, 193, 7, 0.14); color: var(--color-secondary); border-radius: var(--radius-full); font-size: var(--font-size-sm); font-weight: 500; }
.badge-pill { background: rgba(24, 118, 210, 0.1); color: var(--color-blue); padding: 0.125rem 0.5rem; border-radius: 999px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; }
.hero-title { font-size: var(--font-size-5xl); font-weight: 800; line-height: 1.05; color: var(--color-secondary); }
.gradient-text { background: var(--gradient-banner); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: block; }
.hero-description { font-size: var(--font-size-xl); line-height: 1.6; color: var(--color-muted-foreground); max-width: 40rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--spacing-lg); font-size: var(--font-size-sm); color: var(--color-muted-foreground); }
.hero-meta-item { display: flex; align-items: center; gap: 0.5rem; }
.hero-meta-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-accent); }
.hero-buttons { display: flex; flex-wrap: wrap; gap: var(--spacing-md); }
.hero-image { position: relative; }
.hero-image-glow { position: absolute; inset: 0; background: radial-gradient(circle at 0% 0%, rgba(255, 193, 7, 0.4), transparent 60%), radial-gradient(circle at 100% 100%, rgba(13, 71, 161, 0.4), transparent 60%); border-radius: var(--radius-xl); filter: blur(40px); }
.hero-card { position: relative; border-radius: var(--radius-xl); padding: var(--spacing-2xl); background: linear-gradient(135deg, #0f172a 0%, #0b1120 40%, #1e293b 100%); box-shadow: var(--shadow-lg); color: white; overflow: hidden; }
.hero-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--spacing-lg); }
.hero-chip { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.125rem 0.75rem; border-radius: 999px; background: rgba(15, 23, 42, 0.7); font-size: var(--font-size-xs); }
.hero-chip-dot { width: 8px; height: 8px; border-radius: 999px; background: #22c55e; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3); }
.hero-card-title { font-size: var(--font-size-lg); font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.hero-tabs { display: flex; gap: 0.5rem; margin-bottom: var(--spacing-lg); }
.hero-tab { flex: 1; padding: 0.35rem 0.75rem; border-radius: 999px; border: 1px solid rgba(148, 163, 184, 0.35); font-size: var(--font-size-xs); display: flex; align-items: center; justify-content: center; gap: 0.5rem; color: #e2e8f0; background: rgba(15, 23, 42, 0.7); }
.hero-tab.hero-tab-active { border-color: rgba(251, 191, 36, 0.9); background: linear-gradient(135deg, #fbbf24, #fb923c); color: #0b1120; }
.hero-slider-label { display: flex; justify-content: space-between; align-items: center; font-size: var(--font-size-xs); color: #cbd5f5; margin-bottom: 0.25rem; }
.hero-slider-bar { position: relative; height: 0.7rem; border-radius: 999px; background: rgba(15, 23, 42, 0.85); overflow: hidden; margin-bottom: var(--spacing-md); }
.hero-slider-progress { position: absolute; inset: 0; width: 65%; background: linear-gradient(90deg, #38bdf8, #6366f1, #fb923c); }
.hero-slider-handle { position: absolute; top: 50%; left: 65%; transform: translate(-50%, -50%); width: 16px; height: 16px; border-radius: 999px; background: white; box-shadow: 0 0 0 3px rgba(251, 146, 60, 0.7); }
.hero-grid-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacing-md); font-size: var(--font-size-xs); color: #cbd5f5; }
.hero-meta-pill { padding: 0.35rem 0.75rem; border-radius: 999px; background: rgba(15, 23, 42, 0.9); border: 1px solid rgba(148, 163, 184, 0.4); display: flex; justify-content: space-between; align-items: center; }
.hero-meta-pill span:last-child { font-weight: 600; color: #fbbf24; }

/* Sections */
.section { padding: 6rem var(--spacing-md); }
.section-header { text-align: center; margin-bottom: var(--spacing-3xl); }
.section-title { font-size: var(--font-size-4xl); font-weight: 700; color: var(--color-secondary); margin-bottom: var(--spacing-md); }
.section-description { font-size: var(--font-size-xl); color: var(--color-muted-foreground); max-width: 42rem; margin: 0 auto; }

/* Card */
.card { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: all var(--transition-base); }

/* Features */
.features { background: var(--color-background); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-xl); }
.feature-card { padding: var(--spacing-xl); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { width: 3.25rem; height: 3.25rem; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(255, 193, 7, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%); border-radius: var(--radius-xl); margin-bottom: var(--spacing-lg); }
.feature-icon .icon { color: var(--color-primary); }
.feature-title { font-size: var(--font-size-xl); font-weight: 600; color: var(--color-secondary); margin-bottom: var(--spacing-sm); }
.feature-description { color: var(--color-muted-foreground); line-height: 1.6; }
.feature-tag { display: inline-flex; align-items: center; gap: 0.25rem; margin-top: var(--spacing-sm); font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted-foreground); }
.feature-tag-dot { width: 6px; height: 6px; border-radius: 999px; background: var(--color-primary); }

/* Use Cases */
.usecases { background: var(--color-muted); }
.usecases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--spacing-lg); margin-top: var(--spacing-2xl); }
.usecase-card { padding: var(--spacing-lg); border-radius: var(--radius-lg); background: white; border: 1px solid rgba(226, 232, 240, 0.9); box-shadow: var(--shadow-sm); }
.usecase-title { font-weight: 600; margin-bottom: var(--spacing-xs); color: var(--color-secondary); }
.usecase-description { font-size: var(--font-size-sm); color: var(--color-muted-foreground); }

/* Pricing */
.pricing { background: var(--color-background); }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-xl); margin-bottom: var(--spacing-3xl); }
.benefit-card { padding: var(--spacing-xl); text-align: center; }
.benefit-icon { width: 3.5rem; height: 3.5rem; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(255, 213, 79, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%); border-radius: var(--radius-xl); margin: 0 auto var(--spacing-md); }
.benefit-icon .icon { color: var(--color-primary); }
.benefit-title { font-size: var(--font-size-xl); font-weight: 600; color: var(--color-secondary); margin-bottom: var(--spacing-xs); }
.benefit-description { color: var(--color-muted-foreground); }
.pricing-card { border-color: rgba(255, 193, 7, 0.35); background: linear-gradient(135deg, rgba(255, 243, 205, 0.6) 0%, rgba(219, 234, 254, 0.6) 100%); padding: var(--spacing-3xl); }
.pricing-header { text-align: center; margin-bottom: var(--spacing-xl); }
.pricing-amount { margin-bottom: var(--spacing-md); }
.price { font-size: var(--font-size-6xl); font-weight: 700; color: var(--color-secondary); }
.price-period { font-size: var(--font-size-2xl); color: var(--color-muted-foreground); margin-left: var(--spacing-sm); }
.pricing-subtitle { font-size: var(--font-size-lg); color: var(--color-muted-foreground); }
.features-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); list-style: none; margin-bottom: var(--spacing-xl); }
.feature-item { display: flex; align-items: center; gap: var(--spacing-sm); color: var(--color-foreground); }
.check-icon { color: var(--color-primary); flex-shrink: 0; }

/* FAQ */
.faq { background: var(--color-muted); }
.accordion { display: flex; flex-direction: column; gap: var(--spacing-md); }
.accordion-item { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.accordion-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: var(--spacing-lg) var(--spacing-xl); background: transparent; border: none; text-align: left; font-size: var(--font-size-lg); font-weight: 600; color: var(--color-secondary); transition: color var(--transition-base); }
.accordion-trigger:hover { color: var(--color-primary); }
.accordion-icon { flex-shrink: 0; transition: transform var(--transition-base); }
.accordion-trigger[aria-expanded="true"] .accordion-icon { transform: rotate(180deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height var(--transition-base); }
.accordion-content p { padding: 0 var(--spacing-xl) var(--spacing-lg); color: var(--color-muted-foreground); line-height: 1.6; }

/* Contact */
.contact { background: linear-gradient(180deg, var(--color-background) 0%, var(--color-muted) 100%); }
.contact-card { background: linear-gradient(135deg, rgba(255, 243, 205, 0.9) 0%, rgba(219, 234, 254, 0.9) 100%); border-color: rgba(255, 193, 7, 0.35); padding: var(--spacing-3xl); text-align: center; }
.contact-title { font-size: var(--font-size-4xl); font-weight: 700; color: var(--color-secondary); margin-bottom: var(--spacing-md); }
.contact-description { font-size: var(--font-size-xl); color: var(--color-muted-foreground); max-width: 42rem; margin: 0 auto var(--spacing-xl); }
.contact-buttons { display: flex; flex-wrap: wrap; gap: var(--spacing-md); justify-content: center; margin-bottom: var(--spacing-3xl); }
.contact-footer { padding-top: var(--spacing-xl); border-top: 1px solid rgba(214, 219, 228, 0.7); font-size: var(--font-size-sm); color: var(--color-muted-foreground); }
.contact-link { color: var(--color-primary); text-decoration: underline; }
.contact-link:hover { color: var(--color-primary-hover); }

/* Footer */
.footer { padding: var(--spacing-3xl) var(--spacing-md); background: var(--color-secondary); border-top: 1px solid rgba(15, 23, 42, 0.7); color: rgba(226, 232, 240, 0.9); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.footer-brand { grid-column: span 1; }
.footer-logo { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); text-decoration: none; color: inherit; }
.footer-logo:hover { text-decoration: none; color: inherit; }
.footer-description { font-size: var(--font-size-sm); color: rgba(226, 232, 240, 0.8); }
.footer-heading { font-size: var(--font-size-base); font-weight: 600; margin-bottom: var(--spacing-md); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--spacing-sm); }
.footer-links a { font-size: var(--font-size-sm); color: rgba(226, 232, 240, 0.7); transition: color var(--transition-base); }
.footer-links a:hover { color: #fde68a; }
.footer-bottom { padding-top: var(--spacing-xl); border-top: 1px solid rgba(15, 23, 42, 0.8); text-align: center; font-size: var(--font-size-sm); color: rgba(148, 163, 184, 0.9); }

/* Accessibility & Focus */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Policy Pages */
.policy-hero { padding-top: 6rem; background: linear-gradient(180deg, #fffdf5 0%, #f8fafc 100%); }
.policy-content { line-height: 1.7; }
.policy-content h2 { font-size: var(--font-size-2xl); font-weight: 600; color: var(--color-secondary); margin-top: var(--spacing-2xl); margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--color-border); }
.policy-content h2:first-child { margin-top: 0; }
.policy-content h3 { font-size: var(--font-size-xl); font-weight: 600; color: var(--color-secondary); margin-top: var(--spacing-xl); margin-bottom: var(--spacing-sm); }
.policy-content p { margin-bottom: var(--spacing-md); color: var(--color-muted-foreground); }
.policy-content ul { margin-bottom: var(--spacing-md); padding-left: var(--spacing-lg); }
.policy-content li { margin-bottom: var(--spacing-xs); color: var(--color-muted-foreground); }
.policy-content a { color: var(--color-primary); text-decoration: underline; }
.policy-content a:hover { color: var(--color-primary-hover); }

/* Responsive */
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
  .hero-title { font-size: var(--font-size-7xl); }
  .section-title { font-size: var(--font-size-5xl); }
}

@media (max-width: 767px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: white; border-top: 1px solid var(--color-border); padding: var(--spacing-lg); gap: var(--spacing-md); }
  .nav-links.active { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding-top: 6rem; }
  .hero-title { font-size: var(--font-size-3xl); }
  .section-title { font-size: var(--font-size-3xl); }
  .contact-title { font-size: var(--font-size-3xl); }
  .hero-buttons, .contact-buttons { flex-direction: column; }
  .btn-lg { width: 100%; }
}