/* Shared public-site foundation. Page-level CSS only defines its composition. */
:root {
  --motion-fast: 180ms;
  --motion-standard: 240ms;
  --motion-emphasis: 220ms;
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
  --surface-hover: #1a2130;
  --border-strong: #33405a;
  --focus-ring: rgba(107, 127, 232, 0.42);
  --shadow-float: 0 24px 60px -28px rgba(0, 0, 0, 0.75);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --surface-hover: #f0f2f6;
    --border-strong: #c5cad5;
    --focus-ring: rgba(76, 95, 214, 0.28);
    --shadow-float: 0 24px 52px -32px rgba(28, 36, 57, 0.28);
  }
}

:root[data-theme="light"] {
  --surface-hover: #f0f2f6;
  --border-strong: #c5cad5;
  --focus-ring: rgba(76, 95, 214, 0.28);
  --shadow-float: 0 24px 52px -32px rgba(28, 36, 57, 0.28);
}

html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { text-rendering: optimizeLegibility; }
::selection { background: var(--accent-tint, rgba(107, 127, 232, 0.14)); color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; box-shadow: 0 0 0 4px var(--focus-ring); }

/* Motion is progressive: content is only concealed after the script opts in. */
.motion-enabled .reveal {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(12px);
  transition: opacity var(--motion-standard) var(--ease-standard), filter var(--motion-standard) var(--ease-standard), transform var(--motion-standard) var(--ease-standard);
}
.motion-enabled .reveal.is-visible { opacity: 1; filter: blur(0); transform: translateY(0); }
.motion-enabled .reveal[data-reveal-delay="1"] { transition-delay: 55ms; }
.motion-enabled .reveal[data-reveal-delay="2"] { transition-delay: 110ms; }
.motion-enabled [data-blur-reveal] .blur-char {
  display: inline-block; opacity: 0; filter: blur(8px); transform: translateY(8px);
  transition: opacity var(--motion-fast) var(--ease-standard), filter var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
  transition-delay: calc(var(--char-index) * 14ms);
}
.motion-enabled [data-blur-reveal] .blur-word { display: inline-block; white-space: nowrap; }
.motion-enabled [data-blur-reveal].is-visible .blur-char { opacity: 1; filter: blur(0); transform: translateY(0); }

/* The product mock responds to a pointing device without behaving like a toy. */
.mock[data-tilt-card] {
  --tilt-x: 0deg; --tilt-y: 0deg;
  transform: perspective(1100px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform var(--motion-fast) var(--ease-standard);
  will-change: transform;
}
.motion-enabled .mock[data-tilt-card].reveal.is-visible {
  transform: perspective(1100px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: opacity var(--motion-standard) var(--ease-standard), filter var(--motion-standard) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}

/* A single quiet signal strip borrows the clarity of a logo cloud without false endorsements. */
.signal-marquee { overflow: hidden; padding: 0 24px; color: var(--text-muted); }
.signal-marquee-shell {
  position: relative; isolation: isolate; max-width: 1160px; margin: 0 auto; overflow: hidden;
  border-inline: 1px solid var(--border); background: linear-gradient(90deg, var(--surface) 0%, transparent 24%, transparent 76%, var(--surface) 100%);
}
.signal-marquee-shell::before, .signal-marquee-shell::after {
  content: ""; position: absolute; z-index: -1; left: 50%; width: 100vw; border-color: var(--border); pointer-events: none; transform: translateX(-50%);
}
.signal-marquee-shell::before { top: 0; border-top: 1px solid var(--border); }
.signal-marquee-shell::after { bottom: 0; border-bottom: 1px solid var(--border); }
.signal-marquee-track {
  display: flex; width: max-content; align-items: center; padding: 18px 0;
  font: 600 11px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
  animation: signal-marquee 28s linear infinite;
}
.signal-marquee-set { display: flex; align-items: center; gap: 42px; padding-right: 42px; }
.signal-marquee-set span { display: inline-block; white-space: nowrap; }
.signal-marquee-set span::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 10px 1px 0; border-radius: 50%; background: var(--accent); opacity: 0.8; }
.signal-marquee-fade { position: absolute; z-index: 1; inset-block: 0; width: 120px; pointer-events: none; }
.signal-marquee-fade-left { left: 0; background: linear-gradient(90deg, var(--surface), transparent); }
.signal-marquee-fade-right { right: 0; background: linear-gradient(270deg, var(--surface), transparent); }
@keyframes signal-marquee { to { transform: translateX(-50%); } }

header.site { min-height: 76px; padding: 18px 0; }
header.site .wrap { max-width: 1160px; padding: 0 32px; }
header.site .brand { text-decoration: none; }
header.site nav { gap: 8px; }
header.site nav a {
  padding: 8px 10px; border-radius: 6px;
  transition: color var(--motion-fast) var(--ease-standard), background-color var(--motion-fast) var(--ease-standard);
}
header.site nav a:hover, header.site nav a.active { color: var(--text); background: var(--surface); }

footer { padding: 36px 0 56px; }
footer .wrap { max-width: 1160px; padding: 0 32px; }
footer nav a { transition: color var(--motion-fast) var(--ease-standard); }

/* Legal pages trade marketing density for a calm, highly scannable reading column. */
body:has(.doc-updated) main { padding: 64px 0 88px; }
body:has(.doc-updated) main .wrap { max-width: 800px; }
body:has(.doc-updated) main h1 { font-size: clamp(34px, 5vw, 44px); letter-spacing: -0.03em; line-height: 1.08; }
body:has(.doc-updated) .doc-updated { margin: 12px 0 40px; }
body:has(.doc-updated) main h2 { font-size: 17px; letter-spacing: -0.01em; margin: 38px 0 10px; }
body:has(.doc-updated) main p, body:has(.doc-updated) main ul { max-width: 68ch; line-height: 1.72; }
body:has(.doc-updated) main li { margin-bottom: 9px; }
body:has(.doc-updated) .gap-note { border-color: var(--border-strong); border-left: 3px solid var(--alarm); border-radius: 10px; padding: 16px 18px; line-height: 1.6; }

/* Pricing keeps one plan as the focal object without making the page feel sparse. */
body:has(.pricing-hero) .pricing-hero { padding: 74px 0 12px; }
body:has(.pricing-hero) .pricing-hero h1 { font-size: clamp(36px, 5vw, 52px); letter-spacing: -0.035em; line-height: 1.06; }
body:has(.pricing-hero) .plan-wrap { padding: 48px 0 18px; }
body:has(.pricing-hero) .plan { border-color: var(--border-strong); border-radius: 14px; box-shadow: var(--shadow-float), 0 32px 54px -42px var(--accent); }
body:has(.pricing-hero) .plan .cta {
  transition: transform var(--motion-fast) var(--ease-standard), background-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
  box-shadow: 0 8px 18px -10px var(--accent);
}
body:has(.pricing-hero) .plan .cta:hover { transform: translateY(-1px); box-shadow: 0 12px 24px -12px var(--accent); }
body:has(.pricing-hero) .plan .cta:active { transform: translateY(0); box-shadow: none; }
body:has(.pricing-hero) .faq-item { transition: border-color var(--motion-fast) var(--ease-standard); }
body:has(.pricing-hero) .faq-item:hover { border-color: var(--border-strong); }
body:has(.pricing-hero) section.faq { padding: 76px 0 88px; }
body:has(.pricing-hero) .faq-intro { max-width: 620px; margin: 0 auto 42px; text-align: center; }
body:has(.pricing-hero) .faq-intro h2 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.03em; line-height: 1.08; margin-bottom: 14px; }
body:has(.pricing-hero) .faq-intro p:last-child { color: var(--text-muted); max-width: 52ch; margin: 0 auto; }
body:has(.pricing-hero) .faq-list { max-width: 720px; margin: 0 auto; }
body:has(.pricing-hero) details.faq-item { border-bottom: 1px solid var(--border); padding: 0; }
body:has(.pricing-hero) details.faq-item:first-child { border-top: 1px solid var(--border); }
body:has(.pricing-hero) details.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; cursor: pointer;
  color: var(--text); font-size: 15px; font-weight: 600; list-style: none; padding: 21px 0;
}
body:has(.pricing-hero) details.faq-item summary::-webkit-details-marker { display: none; }
body:has(.pricing-hero) details.faq-item summary::after {
  content: "+"; color: var(--text-muted); font: 400 20px/1 var(--font-mono); transition: transform var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
}
body:has(.pricing-hero) details.faq-item[open] summary::after { color: var(--accent); transform: rotate(45deg); }
body:has(.pricing-hero) .faq-answer { padding: 0 38px 20px 0; }
body:has(.pricing-hero) .faq-answer p { color: var(--text-muted); line-height: 1.65; margin: 0; }

/* Primary actions borrow the radial reveal and arrow cue without changing their semantics. */
.btn.primary, body:has(.pricing-hero) .plan .cta { position: relative; overflow: hidden; isolation: isolate; }
.btn.primary::before, body:has(.pricing-hero) .plan .cta::before {
  content: ""; position: absolute; z-index: 0; inset: -80%; opacity: 0; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22) 0, rgba(255, 255, 255, 0) 54%);
  transform: scale(0.35); transition: opacity var(--motion-emphasis) var(--ease-standard), transform var(--motion-standard) var(--ease-standard);
}
.btn.primary:hover::before, .btn.primary:focus-visible::before,
body:has(.pricing-hero) .plan .cta:hover::before, body:has(.pricing-hero) .plan .cta:focus-visible::before { opacity: 1; transform: scale(1); }
.has-arrow::after {
  content: "→"; display: inline-block; margin-left: 2px; opacity: 0; transform: translateX(-4px);
  transition: opacity var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}
.has-arrow:hover::after, .has-arrow:focus-visible::after { opacity: 1; transform: translateX(0); }

@media (max-width: 640px) {
  header.site { min-height: 68px; padding: 16px 0; }
  header.site .wrap, footer .wrap { padding: 0 20px; }
  header.site nav { display: flex; gap: 2px; }
  header.site nav a { padding: 7px 8px; font-size: 12px; }
  header.site .brand { gap: 8px; }
  header.site .brand svg { width: 26px; }
  header.site .brand span { font-size: 18px; }
  body:has(.hero) .hero { padding-top: 28px; gap: 28px; }
  body:has(.hero) .hero h1 { font-size: clamp(34px, 10vw, 42px); line-height: 1.07; }
  body:has(.hero) .hero p.lede { font-size: 15px; margin: 20px 0 26px; }
  body:has(.hero) section.compare, body:has(.hero) section.how, body:has(.hero) section.pricing { padding: 52px 0; }
  .signal-marquee { padding: 0; }
  .signal-marquee-shell { border-inline: 0; }
  .signal-marquee-track { padding: 16px 0; }
  .signal-marquee-set { gap: 30px; padding-right: 30px; }
  .signal-marquee-fade { width: 64px; }
  body:has(.hero) .table-scroll { margin-right: -4px; }
  body:has(.pricing-hero) section.faq { padding: 56px 0 64px; }
  body:has(.pricing-hero) .faq-intro { margin-bottom: 28px; }
  body:has(.pricing-hero) .faq-intro h2 { font-size: 31px; }
  body:has(.pricing-hero) details.faq-item summary { padding: 18px 0; font-size: 14px; }
  body:has(.pricing-hero) .faq-answer { padding-right: 12px; }
  footer .wrap { justify-content: center; text-align: center; }
  footer nav { justify-content: center; }
  body:has(.doc-updated) main { padding: 42px 0 64px; }
  body:has(.doc-updated) main .wrap { padding: 0 24px; }
  body:has(.doc-updated) main h1 { font-size: 34px; }
  body:has(.pricing-hero) .pricing-hero { padding-top: 42px; }
}

@media (min-width: 641px) and (max-width: 780px) {
  header.site nav { display: flex; }
}

@media (max-width: 420px) {
  header.site nav a[href="#how-it-works"] { display: none; }
  header.site nav a { padding: 7px 6px; }
  body:has(.hero) .hero-ctas .btn { min-height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 1ms !important; animation-duration: 1ms !important; animation-iteration-count: 1 !important; }
  .motion-enabled .reveal { opacity: 1; filter: none; transform: none; }
  .motion-enabled [data-blur-reveal] .blur-char { opacity: 1; filter: none; transform: none; }
  .mock[data-tilt-card] { transform: none; will-change: auto; }
  .signal-marquee-track { animation: none; }
}