/* ============================================================================
   BELLWETHER — front door
   Palette/tokens deliberately echo the in-app design system (ground,
   ink, teal accent) so the site reads as a genuine extension of the
   product, not a mismatched marketing wrapper.
   ============================================================================ */

:root {
  --ground:        #ECEEEC;
  --surface:        #FFFFFF;
  --ink:            #12171A;
  --ink-secondary:  #444E52;
  --ink-muted:      #7C8788;
  --hairline:       rgba(18,23,26,0.14);
  --hairline-soft:  rgba(18,23,26,0.08);
  --accent:         #0E7C86;
  --accent-strong:  #0B646C;
  --accent-deep:    #084F57;
  --accent-soft:    rgba(14,124,134,0.09);
  --accent-ink:     #FFFFFF;

  --font-display: ui-serif, Iowan Old Style, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; }

p { margin: 0; }

a { color: inherit; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------------------- skip link -------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--ground);
  padding: 12px 18px;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* -------------------- focus -------------------- */
a:focus-visible,
button:focus-visible {
  outline: 2.5px solid var(--accent-strong);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------- masthead -------------------- */
.masthead {
  border-bottom: 1px solid var(--hairline);
}
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  color: var(--accent);
  display: inline-flex;
}
.brand-word {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.masthead-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-link {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.95rem;
}
.nav-link:hover { color: var(--ink); }

/* -------------------- buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { background: var(--accent-strong); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline);
}
.btn-secondary:hover { border-color: var(--ink); }

.btn-small {
  padding: 9px 18px;
  font-size: 0.9rem;
  background: var(--ink);
  color: var(--ground);
}
.btn-small:hover { background: var(--accent-deep); }

/* -------------------- hero -------------------- */
.hero {
  padding: 88px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: 18px;
}
h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.hero-lede {
  margin-top: 26px;
  max-width: 46ch;
  font-size: 1.14rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-figure {
  display: flex;
  justify-content: center;
}
.trend-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}
.trend-axis {
  stroke: var(--hairline-soft);
  stroke-width: 1.5;
}
.trend-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
}
.trend-dot {
  fill: var(--accent-strong);
}

/* -------------------- features (editorial, not cards) -------------------- */
.features {
  padding: 40px 0 96px;
}
.feature-row {
  padding: 40px 0;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: baseline;
}
.feature-row:last-child {
  border-bottom: 1px solid var(--hairline);
}
.feature-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.feature-row h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  grid-column: 2;
}
.feature-row p {
  grid-column: 2;
  color: var(--ink-secondary);
  max-width: 62ch;
  font-size: 1.02rem;
}

/* -------------------- CTA band -------------------- */
.cta-band {
  background: var(--ink);
  color: var(--ground);
  padding: 64px 0;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-band h2 {
  font-size: 1.8rem;
  color: var(--ground);
}
.cta-band .btn-secondary {
  color: var(--ground);
  border-color: rgba(236,238,236,0.28);
}
.cta-band .btn-secondary:hover { border-color: var(--ground); }

/* -------------------- footer -------------------- */
.site-footer {
  padding: 36px 0 48px;
}
.footer-row {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--ink-muted);
  font-size: 0.92rem;
}
.footer-word {
  font-size: 1rem;
  color: var(--ink-secondary);
}

/* -------------------- responsive -------------------- */
@media (max-width: 840px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-figure { order: -1; max-width: 280px; margin: 0 auto; }
  .hero { padding: 48px 0 40px; }
  .feature-row {
    grid-template-columns: 1fr;
  }
  .feature-row h2, .feature-row p { grid-column: 1; }
  .feature-label { margin-bottom: 8px; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; text-align: left; }
}

@media (max-width: 520px) {
  .masthead-row { padding: 14px 18px; }
  .nav-link { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}