/* ────────────────────────────────────────────────────────────────
   SynthVoice shared chart library
   - Donut / progress ring
   - Horizontal bar comparison
   - Stat tile with big animated number
   - All animations trigger via .in-view class added by sv-charts.js
   - Honors prefers-reduced-motion
   ──────────────────────────────────────────────────────────────── */

/* Brand-safe local tokens (fall back if not defined by host page) */
:root {
  --svc-navy: var(--sv-navy, #0A0F2C);
  --svc-ink-2: var(--ink-2, #425466);
  --svc-ink-3: var(--ink-3, #697386);
  --svc-line: var(--line, #E3E8EE);
  --svc-bg-soft: var(--bg-soft, #F6F9FC);
  --svc-cyan: var(--sv-cyan, #00C2FF);
  --svc-purple: var(--sv-purple, #A855F7);
  --svc-pink: var(--sv-pink, #FF4FD8);
  --svc-coral: var(--sv-coral, #FF7A59);
  --svc-red: var(--red, #DC2626);
  --svc-green: var(--green, #16A34A);
  --svc-r-md: 16px;
  --svc-r-lg: 24px;
  --svc-shadow: 0 10px 30px rgba(10, 15, 44, 0.06);
}

/* Section wrapper for a bank of stats/charts */
.svc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Individual card ─────────────────────────────────────────── */
.svc-card {
  background: #fff;
  border: 1px solid var(--svc-line);
  border-radius: var(--svc-r-lg);
  padding: 26px 24px;
  box-shadow: var(--svc-shadow);
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  gap: 14px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.svc-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(10, 15, 44, 0.09); }
.svc-card.svc-card--dark {
  background: linear-gradient(135deg, var(--svc-navy) 0%, #131A4A 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 22px 56px rgba(10, 15, 44, 0.20);
}
.svc-card.svc-card--dark .svc-label { color: rgba(255, 255, 255, 0.72); }
.svc-card.svc-card--dark .svc-desc  { color: rgba(255, 255, 255, 0.60); }

.svc-label {
  font-size: 12px; font-weight: 800;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--svc-ink-3);
}
.svc-value {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900; letter-spacing: -0.03em; line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--svc-navy);
}
.svc-card.svc-card--dark .svc-value { color: #fff; }
.svc-value.grad {
  background: linear-gradient(90deg, var(--svc-cyan) 0%, var(--svc-purple) 55%, var(--svc-coral) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.svc-value.warn {
  background: linear-gradient(135deg, #F87171, var(--svc-red));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.svc-value.win {
  background: linear-gradient(135deg, #4ADE80, var(--svc-green));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.svc-desc { font-size: 14px; color: var(--svc-ink-2); line-height: 1.5; max-width: 260px; }

/* ── Donut / progress ring ───────────────────────────────────── */
.svc-donut {
  width: 140px; height: 140px; position: relative;
  transform: rotate(-90deg);
}
.svc-donut svg { width: 100%; height: 100%; }
.svc-donut circle { fill: none; stroke-width: 14; }
.svc-donut .track { stroke: var(--svc-line); }
.svc-donut .fill {
  stroke: url(#svc-donut-grad);
  stroke-linecap: round;
  stroke-dasharray: var(--svc-circ, 377);   /* 2πr where r=60 → 377 */
  stroke-dashoffset: var(--svc-circ, 377);
  transition: stroke-dashoffset 1.6s cubic-bezier(.25,.9,.35,1);
}
.svc-donut-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.svc-donut-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-variant-numeric: tabular-nums;
}
.svc-donut-center .num {
  font-size: 28px; font-weight: 900; letter-spacing: -0.02em;
  color: var(--svc-navy);
}
.svc-donut-center .lbl {
  font-size: 10px; font-weight: 800; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--svc-ink-3);
  margin-top: 2px;
}
.svc-card--dark .svc-donut .track { stroke: rgba(255, 255, 255, 0.14); }
.svc-card--dark .svc-donut-center .num { color: #fff; }
.svc-card--dark .svc-donut-center .lbl { color: rgba(255, 255, 255, 0.65); }

/* Animate donut when parent .in-view is on */
.svc-card.in-view .svc-donut .fill {
  stroke-dashoffset: calc(var(--svc-circ, 377) * (1 - var(--svc-pct, 0)));
}

/* ── Horizontal bar comparison ──────────────────────────────── */
.svc-bar-row {
  display: grid; grid-template-columns: 140px 1fr auto;
  gap: 16px; align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--svc-line);
}
.svc-bar-row:last-child { border-bottom: none; }
.svc-bar-label {
  font-size: 14px; font-weight: 700; color: var(--svc-ink-2);
}
.svc-bar {
  height: 14px; border-radius: 999px;
  background: var(--svc-bg-soft);
  overflow: hidden; position: relative;
}
.svc-bar .fill {
  display: block; height: 100%; border-radius: 999px;
  width: 0; transition: width 1.6s cubic-bezier(.25,.9,.35,1);
  background: linear-gradient(90deg, var(--svc-cyan), var(--svc-purple), var(--svc-coral));
}
.svc-bar .fill.warn { background: linear-gradient(90deg, #F87171, var(--svc-red)); }
.svc-bar .fill.win  { background: linear-gradient(90deg, #4ADE80, var(--svc-green)); }
.in-view .svc-bar .fill { width: var(--svc-w, 50%); }
.svc-bar-value {
  font-size: 15px; font-weight: 800; letter-spacing: -0.01em;
  color: var(--svc-navy); font-variant-numeric: tabular-nums;
  min-width: 80px; text-align: right;
}

/* ── Big-number stat with count-up animation via CSS var ─── */
.svc-bignum {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 900; letter-spacing: -0.04em; line-height: 1;
  color: var(--svc-navy); font-variant-numeric: tabular-nums;
  display: inline-block;
}
.svc-bignum.grad {
  background: linear-gradient(135deg, var(--svc-cyan) 0%, var(--svc-purple) 50%, var(--svc-coral) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.svc-bignum.warn {
  background: linear-gradient(135deg, #F87171 0%, var(--svc-red) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── Comparison split card (Before / After) ──────────────── */
.svc-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
  max-width: 960px; margin: 0 auto;
}
@media (max-width: 640px) { .svc-split { grid-template-columns: 1fr; } }
.svc-split > div {
  padding: 26px 24px; border-radius: var(--svc-r-lg);
  background: #fff; border: 1px solid var(--svc-line);
}
.svc-split .svc-before {
  background: linear-gradient(180deg, rgba(220, 38, 38, 0.05), #fff);
  border-color: rgba(220, 38, 38, 0.25);
}
.svc-split .svc-after {
  background: linear-gradient(180deg, rgba(22, 163, 74, 0.06), #fff);
  border-color: rgba(22, 163, 74, 0.30);
}
.svc-split .svc-hd {
  font-size: 12px; font-weight: 900; letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 14px;
}
.svc-before .svc-hd { color: var(--svc-red); }
.svc-after  .svc-hd { color: var(--svc-green); }

/* ── Prefers-reduced-motion: no animation, show final state ── */
@media (prefers-reduced-motion: reduce) {
  .svc-donut .fill { transition: none; }
  .svc-bar .fill { transition: none; width: var(--svc-w, 50%); }
  .svc-card .svc-donut .fill { stroke-dashoffset: calc(var(--svc-circ, 377) * (1 - var(--svc-pct, 0))); }
}