/* variant15.css - Human Professional Design with Parallax */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --bg: #ffffff; 
  --bg-subtle: #fafafa; 
  --bg-muted: #f4f4f5;
  --fg: #09090b; 
  --fg-muted: #52525b; 
  --fg-subtle: #a1a1aa;
  --border: #e4e4e7; 
  --border-strong: #d4d4d8;
  --primary: #09090b; 
  --primary-hover: #27272a;
  --accent: #2563eb; 
  --accent-hover: #1d4ed8;
  --radius-sm: 6px; 
  --radius-md: 8px; 
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b; 
    --bg-subtle: #18181b; 
    --bg-muted: #27272a;
    --fg: #fafafa; 
    --fg-muted: #a1a1aa; 
    --fg-subtle: #52525b;
    --border: #27272a; 
    --border-strong: #3f3f46;
    --primary: #fafafa; 
    --primary-hover: #e4e4e7;
    --accent: #3b82f6; 
    --accent-hover: #60a5fa;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--fg); line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: color 0.15s; }
img, svg { display: block; max-width: 100%; }

/* Typography */
h1, h2, h3, h4 { color: var(--fg); font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; letter-spacing: -0.04em; font-weight: 700; }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); line-height: 1.15; letter-spacing: -0.03em; }
h3 { font-size: 1.125rem; }
.text-muted { color: var(--fg-muted); }
.text-subtle { color: var(--fg-subtle); }
.text-accent { color: var(--accent); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

/* Buttons */
.btn { 
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; 
  padding: 0 16px; height: 36px; border-radius: var(--radius-sm); 
  font-size: 0.875rem; font-weight: 500; transition: all 0.15s; 
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: var(--bg); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn-outline:hover { background: var(--bg-subtle); color: var(--fg); }
.btn-lg { height: 44px; padding: 0 20px; font-size: 0.9375rem; }

/* Layout & Parallax Utils */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.section { padding: 96px 0; position: relative; z-index: 2; background: var(--bg); }
.section-sm { padding: 64px 0; }
.section-border { border-top: 1px solid var(--border); }
.text-center { text-align: center; }

/* Parallax Curtain Effect */
.curtain-container { position: relative; z-index: 1; }
.sticky-hero {
  position: sticky;
  top: 60px; /* Navbar height */
  height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  z-index: 0;
  overflow: hidden;
}
.content-overlay {
  position: relative;
  z-index: 2;
  background: var(--bg);
  box-shadow: 0 -20px 40px rgba(0,0,0,0.05); /* Shadow projecting upwards */
}
@media (prefers-color-scheme: dark) {
  .content-overlay { box-shadow: 0 -20px 40px rgba(0,0,0,0.5); }
}

/* Background Patterns */
.bg-grid {
  position: absolute;
  inset: -50%;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}

/* Floating Elements */
.float-card {
  position: absolute;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: monospace;
  font-size: 0.8125rem;
  z-index: 3;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  will-change: transform;
}
.float-card.fc-1 { top: 15%; right: 5%; }
.float-card.fc-2 { bottom: 20%; right: 15%; }
.float-card.fc-3 { top: 30%; left: 2%; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #10b981; }
.status-dot.fail { background: #ef4444; }

/* Navbar */
.navbar { 
  position: sticky; top: 0; z-index: 100; 
  background: rgba(255, 255, 255, 0.7); backdrop-filter: saturate(180%) blur(12px); 
  border-bottom: 1px solid var(--border); 
}
@media (prefers-color-scheme: dark) { .navbar { background: rgba(9, 9, 11, 0.7); } }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.9375rem; color: var(--fg); letter-spacing: -0.01em; }
.nav-logo img { width: 20px; height: 20px; border-radius: 4px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--fg-muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--fg); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

/* Hero specific */
.hero-content { max-width: 760px; position: relative; z-index: 2; margin: 0 auto; text-align: center; }
.hero-badge { 
  display: inline-flex; align-items: center; gap: 8px; 
  padding: 4px 12px; border-radius: 100px; 
  background: var(--bg); border: 1px solid var(--border); 
  color: var(--fg-muted); font-size: 0.8125rem; font-weight: 500; margin-bottom: 24px; 
}
.hero p.lead { font-size: 1.25rem; color: var(--fg-muted); line-height: 1.6; margin: 24px auto 32px; max-width: 600px; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 12px; }

/* Brands */
.brands { padding: 48px 0; border-bottom: 1px solid var(--border); background: var(--bg-subtle); }
.brands-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 32px; opacity: 0.5; filter: grayscale(100%); }
.brand-item { font-weight: 700; font-size: 1.125rem; letter-spacing: -0.02em; }

/* Two Column Compare */
.compare-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.compare-copy h2 { margin-bottom: 16px; }
.compare-copy p { color: var(--fg-muted); margin-bottom: 32px; font-size: 1.125rem; line-height: 1.6; }
.compare-list { display: flex; flex-direction: column; gap: 16px; }
.compare-item { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--bg); }
.compare-item .icon { flex-shrink: 0; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.compare-item.bad { background: var(--bg-subtle); border-style: dashed; }
.compare-item.bad .icon svg { color: var(--fg-muted); }
.compare-item.good { box-shadow: var(--shadow-sm); border-color: var(--border-strong); }
.compare-item.good .icon svg { color: var(--fg); }
.compare-item-content h4 { font-size: 0.9375rem; margin-bottom: 4px; }
.compare-item-content p { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.5; }

/* Bento */
.bento-header { max-width: 600px; margin-bottom: 48px; }
.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(320px, auto); gap: 24px; }
.bento-item { 
  background: var(--bg); border: 1px solid var(--border); 
  border-radius: var(--radius-lg); padding: 32px; 
  display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
  will-change: transform;
}
.bento-item.col-8 { grid-column: span 8; }
.bento-item.col-4 { grid-column: span 4; }
.bento-item.col-6 { grid-column: span 6; }
.bento-item.col-12 { grid-column: span 12; }
.bento-icon { width: 32px; height: 32px; border-radius: 8px; background: var(--bg-subtle); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.bento-icon svg { width: 16px; height: 16px; color: var(--fg); }
.bento-item h3 { font-size: 1.125rem; margin-bottom: 8px; }
.bento-item p { color: var(--fg-muted); font-size: 0.9375rem; line-height: 1.6; }
.bento-visual { margin-top: 32px; flex-grow: 1; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg-subtle); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.bento-visual img { width: 100%; height: 100%; object-fit: cover; }

/* Pricing */
.pricing-header { max-width: 600px; margin: 0 auto 48px; text-align: center; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; }
.pricing-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; background: var(--bg); display: flex; flex-direction: column; }
.pricing-card.highlight { border-color: var(--border-strong); box-shadow: var(--shadow-md); position: relative; }
.pricing-card.highlight::before { content: 'Popular'; position: absolute; top: -12px; left: 32px; background: var(--fg); color: var(--bg); font-size: 0.75rem; font-weight: 600; padding: 2px 10px; border-radius: 100px; }
.pricing-card-header { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.pricing-name { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
.pricing-price { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.04em; }
.pricing-price span { font-size: 0.9375rem; color: var(--fg-muted); font-weight: 400; letter-spacing: 0; }
.pricing-features { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; flex-grow: 1; }
.pricing-feature { display: flex; gap: 12px; font-size: 0.875rem; color: var(--fg-muted); align-items: flex-start; }
.pricing-feature svg { width: 16px; height: 16px; color: var(--fg); flex-shrink: 0; margin-top: 2px; }

/* FAQ */
.faq-container { max-width: 720px; margin: 0 auto; }
.faq-header { text-align: center; margin-bottom: 48px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 500; }
.faq-q svg { width: 20px; height: 20px; color: var(--fg-muted); transition: transform 0.2s; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding-bottom: 24px; color: var(--fg-muted); font-size: 0.9375rem; line-height: 1.6; }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-item.open .faq-a { max-height: 500px; }

/* Testimonial */
.testimonial-block { max-width: 800px; margin: 0 auto; text-align: center; }
.testimonial-block p { font-size: 1.5rem; line-height: 1.4; font-weight: 500; letter-spacing: -0.02em; margin-bottom: 24px; }
.testimonial-author { font-size: 0.9375rem; color: var(--fg-muted); }
.testimonial-author strong { color: var(--fg); font-weight: 500; }

/* Public Flows */
.flows-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.flow-card { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; background: var(--bg); transition: border-color 0.15s; }
.flow-card:hover { border-color: var(--border-strong); }
.flow-title { font-weight: 500; font-size: 0.9375rem; margin-bottom: 4px; }
.flow-desc { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.5; }

/* CTA Block */
.cta-block { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 64px 32px; text-align: center; position: relative; overflow: hidden; }
.cta-block h2 { margin-bottom: 16px; }
.cta-block p { color: var(--fg-muted); margin-bottom: 32px; font-size: 1.125rem; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 64px 0 32px; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 64px; }
.footer-col p { font-size: 0.875rem; color: var(--fg-muted); margin-top: 12px; max-width: 280px; line-height: 1.6; }
.footer-col h4 { font-size: 0.875rem; margin-bottom: 16px; font-weight: 500; }
.footer-col a { display: block; font-size: 0.875rem; color: var(--fg-muted); margin-bottom: 12px; }
.footer-col a:hover { color: var(--fg); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 32px; display: flex; justify-content: space-between; align-items: center; font-size: 0.875rem; color: var(--fg-subtle); }

/* Video modal */
.video-modal { display: none; position: fixed; inset: 0; z-index: 1000; background: rgba(0,0,0,.8); backdrop-filter: blur(4px); align-items: center; justify-content: center; padding: 24px; }
.video-modal.active { display: flex; }
.video-modal-inner { width: 100%; max-width: 900px; aspect-ratio: 16/9; border-radius: var(--radius-md); overflow: hidden; position: relative; background: #000; }
.video-modal-close { position: absolute; top: -40px; right: 0; color: #fff; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* Utils */
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; } .mt-12 { margin-top: 48px; }

@media (max-width: 768px) {
  .hero-grid, .compare-grid, .bento, .pricing-grid, .footer-grid { grid-template-columns: 1fr; }
  .bento-item.col-8, .bento-item.col-4, .bento-item.col-6 { grid-column: span 1; }
  .hero h1 { font-size: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .navbar-inner { height: 56px; }
  .nav-links { display: none; }
  .float-card { display: none; } /* Hide floating elements on mobile for cleanliness */
  .sticky-hero { position: relative; top: 0; height: auto; padding: 60px 0; }
  .content-overlay { box-shadow: none; }
}