/* =============================================================================
   Fastvue AI marketing site styles.
   Design tokens copied verbatim from the Fastvue Design System
   (handoff bundle, colors_and_type.css). Page layout rules below the tokens.
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Brand */
  --fv-brand:            #55BA00;
  --fv-brand-ink:        #111827;

  /* Green */
  --fv-green-50:  #EEF9E6;
  --fv-green-100: #D4F0C0;
  --fv-green-200: #B7E596;
  --fv-green-300: #98DB69;
  --fv-green-400: #7ED343;
  --fv-green-500: #64CA0D;
  --fv-green-600: #55BA00;
  --fv-green-700: #3AA600;
  --fv-green-800: #1A9200;
  --fv-green-900: #007000;

  /* Gray */
  --fv-gray-50:  #F9FAFB;
  --fv-gray-100: #F3F4F6;
  --fv-gray-200: #E5E7EB;
  --fv-gray-300: #D1D5DB;
  --fv-gray-400: #9CA3AF;
  --fv-gray-500: #6B7280;
  --fv-gray-600: #4B5563;
  --fv-gray-700: #374151;
  --fv-gray-800: #1F2937;
  --fv-gray-900: #111827;
  --fv-white: #FFFFFF;

  /* Semantic */
  --fv-yellow-500: #F59E0B;
  --fv-red-500:    #EF4444;
  --fv-red-600:    #DC2626;
  --fv-blue-500:   #3B82F6;

  --fv-fg:           var(--fv-gray-900);
  --fv-fg-muted:     var(--fv-gray-600);
  --fv-fg-subtle:    var(--fv-gray-500);
  --fv-fg-inverse:   var(--fv-white);
  --fv-bg:           var(--fv-white);
  --fv-bg-subtle:    var(--fv-gray-50);
  --fv-bg-muted:     var(--fv-gray-100);
  --fv-bg-dark:      var(--fv-gray-800);
  --fv-border:       var(--fv-gray-200);
  --fv-accent:       var(--fv-green-600);
  --fv-accent-hover: var(--fv-green-700);

  --fv-gradient-hero: linear-gradient(180deg, #F9FAFB 0%, #EDEEF1 100%);

  --fv-font-sans:  'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --fv-font-mono:  ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --fv-radius:     4px;
  --fv-radius-md:  6px;
  --fv-radius-lg:  8px;
  --fv-radius-full: 9999px;

  --fv-shadow-sm:  0 1px 2px 0 rgba(0,0,0,0.05);
  --fv-shadow:     0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px 0 rgba(0,0,0,0.06);
  --fv-shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --fv-shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

  --fv-container:  1216px;
  --fv-gutter:     32px;

  --fv-ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --fv-duration:   200ms;
}

/* =============================================================================
   Reset + base
   ============================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fv-font-sans);
  color: var(--fv-fg);
  background: var(--fv-bg);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--fv-accent-hover); text-decoration: none; }
a:hover { color: var(--fv-green-800); }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; }

.container {
  max-width: var(--fv-container);
  margin: 0 auto;
  padding: 0 var(--fv-gutter);
}

/* Typography primitives — matches design system `.fv-h1` etc. */
.eyebrow {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fv-green-700);
}
h1, h2, h3, h4 { color: var(--fv-fg); margin: 0; }
.h1 { font-size: 60px; line-height: 60px; font-weight: 700; letter-spacing: -0.0333em; }
.h2 { font-size: 36px; line-height: 40px; font-weight: 700; letter-spacing: -0.02em; }
.h4 { font-size: 20px; font-weight: 700; }
.lead { font-size: 20px; line-height: 30px; color: var(--fv-fg-muted); }
.muted { color: var(--fv-fg-muted); }

/* Button — matches design system patterns: filled/outlined, sm/base/lg/xl. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--fv-radius);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--fv-duration) var(--fv-ease),
              border-color var(--fv-duration) var(--fv-ease),
              color var(--fv-duration) var(--fv-ease);
}
.btn--base { padding: 9px 18px; font-size: 14px; }
.btn--lg   { padding: 12px 22px; font-size: 16px; }
.btn--xl   { padding: 14px 28px; font-size: 16px; }
.btn--full { width: 100%; }
.btn--filled  { background: var(--fv-accent); color: var(--fv-fg-inverse); }
.btn--filled:hover  { background: var(--fv-accent-hover); }
.btn--outlined { background: var(--fv-white); color: var(--fv-fg); border-color: var(--fv-border); }
.btn--outlined:hover { background: var(--fv-bg-subtle); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* =============================================================================
   Navbar
   ============================================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--fv-gutter);
  background: var(--fv-white);
  box-shadow: var(--fv-shadow);
}
.navbar__left  { display: flex; align-items: center; gap: 48px; }
.navbar__logo  { height: 28px; width: auto; }
.navbar__links { display: flex; gap: 28px; }
.navbar__links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--fv-gray-900);
  text-decoration: none;
}
.navbar__links a:hover { color: var(--fv-green-700); }
.navbar__right { display: flex; align-items: center; gap: 18px; }

@media (max-width: 760px) {
  .navbar__links { display: none; }
}

/* =============================================================================
   Hero
   ============================================================================= */
.hero { background: var(--fv-gradient-hero); padding: 88px 0; }
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
}
.hero__copy .eyebrow { margin-bottom: 16px; display: block; }
.hero__copy .h1 { margin: 0; max-width: 560px; }
.hero__copy .lead { margin: 24px 0 32px; max-width: 560px; }
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__image img { max-width: 720px; width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero { padding: 56px 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy .h1 { font-size: 44px; line-height: 48px; }
}

/* =============================================================================
   Section base
   ============================================================================= */
.section { padding: 96px 0; background: var(--fv-white); }
.section--subtle { background: var(--fv-gray-50); }
.section__intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section__intro .eyebrow { display: block; margin-bottom: 12px; }
.section__intro .h2 { margin: 0; }
.section__intro p { margin: 16px 0 0; font-size: 18px; line-height: 1.55; color: var(--fv-fg-muted); }

/* =============================================================================
   Feature grid
   ============================================================================= */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.features__card {
  background: var(--fv-white);
  border-radius: var(--fv-radius-md);
  padding: 28px 28px 32px;
  box-shadow: var(--fv-shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.features__card img { height: 120px; width: auto; margin-bottom: 20px; }
.features__card h4 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.features__card p  { margin: 0; font-size: 15px; line-height: 1.6; color: var(--fv-fg-muted); }
@media (max-width: 760px) { .features { grid-template-columns: 1fr; } }

/* =============================================================================
   Pricing — two-card layout
   ============================================================================= */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}
.pricing__card {
  background: var(--fv-white);
  border-radius: var(--fv-radius-lg);
  padding: 40px;
  box-shadow: var(--fv-shadow-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
}
.pricing__card .eyebrow { display: block; margin-bottom: 8px; }
.pricing__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 8px 0 4px;
}
.pricing__price .amount {
  font-size: 60px;
  font-weight: 700;
  color: var(--fv-gray-900);
  letter-spacing: -0.03em;
  line-height: 1;
}
.pricing__price .unit { font-size: 16px; color: var(--fv-gray-500); }
.pricing__sub { font-size: 13px; color: var(--fv-gray-500); }
.pricing__features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.pricing__features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--fv-gray-700);
}
.pricing__features li::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--fv-green-100);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2355BA00'><path d='M16.7 5.3a1 1 0 0 1 0 1.4l-7 7a1 1 0 0 1-1.4 0l-3-3a1 1 0 1 1 1.4-1.4L9 11.6l6.3-6.3a1 1 0 0 1 1.4 0z'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  flex: 0 0 auto;
}
.pricing__card .btn { margin-top: auto; }
@media (max-width: 760px) { .pricing { grid-template-columns: 1fr; } }

/* =============================================================================
   Try-it form
   ============================================================================= */
.try {
  max-width: 760px;
  margin: 0 auto;
  background: var(--fv-white);
  border-radius: var(--fv-radius-lg);
  padding: 36px;
  box-shadow: var(--fv-shadow-lg);
}
/* Top bar of the test card: Suggest button on the left, view toggle on the right. */
.try__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.try__viewtoggle {
  display: inline-flex;
  background: var(--fv-bg-subtle);
  border: 1px solid var(--fv-border);
  border-radius: var(--fv-radius-full);
  padding: 3px;
}
.try__viewtoggle__btn {
  border: 0;
  background: transparent;
  padding: 6px 16px;
  border-radius: var(--fv-radius-full);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--fv-fg-muted);
  cursor: pointer;
  transition: background var(--fv-duration) var(--fv-ease),
              color var(--fv-duration) var(--fv-ease);
}
.try__viewtoggle__btn.is-active {
  background: var(--fv-white);
  color: var(--fv-fg);
  box-shadow: var(--fv-shadow-sm);
}

/* API view — request/response JSON blocks. */
.try__code {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.try__code__label {
  margin-top: 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fv-fg-subtle);
}
.try__code__block {
  margin: 0;
  padding: 16px;
  background: var(--fv-gray-900);
  color: #e2e8f0;
  border-radius: var(--fv-radius);
  font-family: var(--fv-font-mono);
  font-size: 13px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
  max-height: 320px;
}
.try__code__block code { font-family: inherit; }

/* Minimal token highlighting applied via JS in test.js. */
.tok-key    { color: #93c5fd; }
.tok-string { color: #86efac; }
.tok-number { color: #fcd34d; }
.tok-bool   { color: #f0abfc; }
.tok-null   { color: #94a3b8; }
.tok-comment { color: #64748b; font-style: italic; }

.try__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media (max-width: 600px) {
  .try__row { grid-template-columns: 1fr; gap: 0; }
}
.try__row .try__field { margin-bottom: 0; }
.try__field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }

/* Per-activity field group — JS toggles the [hidden] attribute. */
.try__dynamic { animation: try-fade 200ms var(--fv-ease); }
@keyframes try-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Optional / collapsible section for rare fields. */
.try__optional {
  margin-top: 4px;
  margin-bottom: 20px;
  border-top: 1px solid var(--fv-border);
  padding-top: 16px;
}
.try__optional__summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--fv-fg-muted);
  user-select: none;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}
.try__optional__summary::-webkit-details-marker { display: none; }
.try__optional__summary:hover { color: var(--fv-fg); }
.try__optional__chevron {
  display: inline-block;
  transition: transform var(--fv-duration) var(--fv-ease);
  color: var(--fv-fg-subtle);
}
.try__optional[open] .try__optional__chevron { transform: rotate(90deg); }
.try__optional[open] .try__row { margin-top: 16px; }
.try__field label {
  font-size: 14px;
  font-weight: 500;
  color: var(--fv-gray-700);
}
.try__field input,
.try__field textarea,
.try__field select {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--fv-border);
  border-radius: var(--fv-radius);
  background: var(--fv-white);
  color: var(--fv-gray-900);
  resize: vertical;
  appearance: none;
}
.try__field select {
  /* Native chevron — embed an SVG arrow so we don't depend on browser styling. */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B7280'><path d='M5 8l5 5 5-5H5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.try__field input:focus,
.try__field textarea:focus,
.try__field select:focus {
  outline: none;
  border-color: var(--fv-accent);
  box-shadow: 0 0 0 3px rgba(85, 186, 0, 0.15);
}
.try__field .hint {
  font-size: 12px;
  color: var(--fv-gray-500);
}
.try__captcha { display: flex; justify-content: center; margin: 20px 0; }
.try__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.try__actions--single { justify-content: flex-end; }
@media (max-width: 480px) {
  .try__actions .btn { flex: 1; }
}
.try__result {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--fv-radius);
  background: var(--fv-bg-subtle);
  border: 1px solid var(--fv-border);
  font-size: 14px;
}
.try__result.hidden { display: none; }
.try__result__row { display: flex; justify-content: space-between; padding: 4px 0; }
.try__result__row strong { color: var(--fv-fg); }
.try__result.error {
  background: #FEF2F2;
  border-color: #FECACA;
  color: var(--fv-red-600);
}

.badge {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: var(--fv-radius-full);
  font-size: 12px;
  font-weight: 500;
  text-transform: capitalize;
}
.badge--none     { background: var(--fv-gray-100);   color: var(--fv-gray-700); }
.badge--mild     { background: #FEF3C7;              color: #92400E; }
.badge--moderate { background: #FED7AA;              color: #9A3412; }
.badge--serious  { background: #FECACA;              color: #991B1B; }
.badge--severe   { background: var(--fv-red-600);    color: var(--fv-white); }

/* =============================================================================
   CTA band
   ============================================================================= */
.cta { padding: 96px 0; background: var(--fv-white); text-align: center; }
.cta .container { max-width: 800px; }
.cta h2 { margin: 0; }
.cta p  { margin: 16px 0 32px; font-size: 18px; line-height: 1.55; color: var(--fv-fg-muted); }

/* =============================================================================
   Footer
   ============================================================================= */
.footer {
  background: var(--fv-bg-dark);
  color: var(--fv-gray-300);
  padding: 56px 0 32px;
}
.footer__logo { height: 28px; margin-bottom: 32px; }
.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer__col h6 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fv-gray-400);
  margin: 0 0 16px;
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer__col a { color: var(--fv-gray-300); font-size: 15px; }
.footer__col a:hover { color: var(--fv-white); }
.footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--fv-gray-600);
  font-size: 13px;
  color: var(--fv-gray-400);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 760px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}