/* ── Bike Fit Finder ──────────────────────────────────────────────────── */
:root {
  --bf-ink:      #0B0C0E;
  --bf-ink-1:    #101216;
  --bf-ink-3:    #20242C;
  --bf-line:     rgba(255,255,255,.09);
  --bf-line-2:   rgba(255,255,255,.16);
  --bf-fg:       #F4F5F2;
  --bf-fg-2:     #A7ADB5;
  --bf-fg-3:     #6B7178;
  --bf-volt:     #CCFF02;
  --bf-volt-glow:rgba(204,255,2,.25);
}

.fit {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 1000px) {
  .fit { grid-template-columns: 1fr; gap: 36px; }
}

/* ── Left: control ─────────────────────────────────────────────────── */
.fit-cap {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bf-volt, #CCFF02);
  margin-bottom: 6px;
}

.fit-readback {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--ff-display, 'Archivo', sans-serif);
  font-weight: 800;
}
.fr-h {
  font-size: 72px;
  line-height: 1;
  color: var(--bf-fg, #F4F5F2);
  letter-spacing: -0.03em;
}
.fr-u {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bf-fg-3, #6B7178);
}

/* slider */
.fit-slider-wrap { margin-top: 34px; }

input.fit-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--bf-volt, #CCFF02) var(--fill, 50%), var(--bf-ink-3, #20242C) var(--fill, 50%));
  outline: none;
  cursor: pointer;
}
input.fit-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bf-volt, #CCFF02);
  border: 3px solid var(--bf-ink, #0B0C0E);
  cursor: grab;
  box-shadow: 0 0 0 1px var(--bf-volt, #CCFF02), 0 6px 16px var(--bf-volt-glow, rgba(204,255,2,.25));
}
input.fit-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bf-volt, #CCFF02);
  border: 3px solid var(--bf-ink, #0B0C0E);
  cursor: grab;
  box-shadow: 0 0 0 1px var(--bf-volt, #CCFF02);
}

.fit-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}
.fit-tick {
  font-size: 12px;
  color: var(--bf-fg-3, #6B7178);
  letter-spacing: .06em;
  transition: color .18s, transform .18s;
  text-align: center;
}
.fit-tick.active {
  color: var(--bf-volt, #CCFF02);
  transform: scale(1.15);
}

/* ── Right: card ───────────────────────────────────────────────────── */
.fit-card {
  background: var(--bf-ink-1, #101216);
  border: 1px solid var(--bf-line, rgba(255,255,255,.09));
  border-radius: 18px;
  padding: 30px;
  color: var(--bf-fg, #F4F5F2);
}

.fc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.fc-lab {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bf-fg-3, #6B7178);
}
.fc-size {
  font-family: var(--ff-display, 'Archivo', sans-serif);
  font-weight: 800;
  font-size: 96px;
  line-height: .82;
  color: var(--bf-volt, #CCFF02);
  letter-spacing: -0.02em;
}
.fc-range {
  font-size: 12px;
  color: var(--bf-fg-2, #A7ADB5);
  margin-top: 4px;
  letter-spacing: .06em;
}

/* geo grid */
.fit-geo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--bf-line, rgba(255,255,255,.09));
}
.fit-geo .g { padding: 18px 0 0; }
.fit-geo .g .gn {
  font-family: var(--ff-display, 'Archivo', sans-serif);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.fit-geo .g .gn .u {
  font-size: 12px;
  font-weight: 500;
  color: var(--bf-volt, #CCFF02);
  margin-left: 2px;
}
.fit-geo .g .gl {
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bf-fg-3, #6B7178);
  margin-top: 6px;
}

/* note */
.fit-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--bf-line, rgba(255,255,255,.09));
  font-size: 12px;
  color: var(--bf-fg-2, #A7ADB5);
  letter-spacing: .02em;
  line-height: 1.55;
}
.fit-note svg {
  width: 16px;
  height: 16px;
  color: var(--bf-volt, #CCFF02);
  flex: none;
}

/* cta buttons */
.fit-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.vfit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 15px 26px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .18s, box-shadow .18s, background .18s;
  cursor: pointer;
}
.vfit-btn svg { width: 16px; height: 16px; }
.vfit-btn-volt {
  background: var(--bf-volt, #CCFF02);
  color: var(--bf-ink, #0B0C0E);
}
.vfit-btn-volt:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--bf-volt-glow, rgba(204,255,2,.25));
}
.vfit-btn-ghost {
  background: transparent;
  color: var(--bf-fg, #F4F5F2);
  border-color: var(--bf-line-2, rgba(255,255,255,.16));
}
.vfit-btn-ghost:hover {
  background: var(--bf-ink-3, #20242C);
  border-color: var(--bf-fg-3, #6B7178);
}

@media (max-width: 560px) {
  .fr-h { font-size: 56px; }
  .fit-card { padding: 24px; }
  .fc-size { font-size: 72px; }
  .fit-geo .g .gn { font-size: 24px; }
  .vfit-btn { width: 100%; justify-content: center; }
}