:root {
  --pink: #e6007e; --blue: #009fe3; --teal: #27cfc3;
  --grad: linear-gradient(135deg, #e6007e 0%, #009fe3 100%);
  --dark: #0d0d0d; --dark-700: #111111; --dark-600: #1a1a1a;
  --dark-500: #242424; --dark-400: #2e2e2e;
  --grey-500: #676767; --grey-400: #888888; --grey-100: #e0e0e0;
  --white: #ffffff;
  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-serif:   'EB Garamond', Georgia, serif;  --font-heading: 'Poppins', system-ui, sans-serif;
  --font-body: 'Poppins', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --radius-sm: 4px; --radius-lg: 16px;
  --grid-max: 2000px; --grid-margin: clamp(24px, 5vw, 80px);
  /* Donut geometry: r=76 → C ≈ 477.522 */
  --rg-c: 477.522;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--dark);
  color: var(--grey-100);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════
   CS-03 — Radial gauge (donut)
   ═══════════════════════════════════════════════════════════ */

.cs-rg {
  width: 100%;
  background: var(--dark);
  padding: clamp(64px, 8vw, 120px) var(--grid-margin);
}

.cs-rg__inner {
  max-width: var(--grid-max);
  margin: 0 auto;
}

.cs-rg__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

@media (max-width: 800px) {
  .cs-rg__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ─── Card ─────────────────────────────────────────────── */

.cs-rg-card {
  background: var(--dark-500);
  border: 1px solid var(--dark-400);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cs-rg-svg {
  display: block;
  width: 200px;
  height: auto;
  flex-shrink: 0;
}

.cs-rg-svg .cs-rg-track {
  fill: none;
  stroke: var(--dark-400);
  stroke-width: 12;
  stroke-linecap: round;
}

.cs-rg-svg .cs-rg-before {
  fill: none;
  stroke: var(--grey-500);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: var(--rg-c);
  stroke-dashoffset: var(--rg-c);
  opacity: 1;
}

.cs-rg-svg .cs-rg-after {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: var(--rg-c);
  stroke-dashoffset: var(--rg-c);
}

.cs-rg-svg--a .cs-rg-after { stroke: url(#cs-rg-grad-a); }
.cs-rg-svg--b .cs-rg-after { stroke: url(#cs-rg-grad-b); }
.cs-rg-svg--c .cs-rg-after { stroke: url(#cs-rg-grad-c); }

.cs-rg-wrap {
  position: relative;
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

.cs-rg-centre {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.cs-rg-value {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
  color: var(--white);
  font-weight: 400;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.cs-rg-label {
  margin-top: 20px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  color: var(--grey-400);
  line-height: 1.35;
  max-width: 16rem;
}

.cs-rg-badge {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--pink);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: scale(0.55);
}

/* ─── Animations (full motion) ─────────────────────────── */

@keyframes csRgDrawBefore {
  to {
    stroke-dashoffset: calc(var(--rg-c) * (1 - var(--before-fr)));
  }
}

@keyframes csRgFadeBefore {
  to { opacity: 0.3; }
}

@keyframes csRgDrawAfter {
  to {
    stroke-dashoffset: calc(var(--rg-c) * (1 - var(--after-fr)));
  }
}

@keyframes csRgBadgePop {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  55% {
    opacity: 1;
    transform: scale(1.12);
  }
  75% {
    transform: scale(0.96);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.cs-rg-card.is-visible .cs-rg-before {
  animation:
    csRgDrawBefore 800ms cubic-bezier(0.33, 1, 0.68, 1) forwards,
    csRgFadeBefore 350ms ease forwards 800ms;
}

.cs-rg-card.is-visible .cs-rg-after {
  animation: csRgDrawAfter 1000ms var(--ease-out-expo) 800ms forwards;
}

.cs-rg-card.is-visible .cs-rg-badge {
  animation: csRgBadgePop 0.65s cubic-bezier(0.34, 1.45, 0.64, 1) 1.85s forwards;
}

/* ─── Reduced motion: final state ──────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .cs-rg-before,
  .cs-rg-after,
  .cs-rg-badge {
    animation: none !important;
  }

  .cs-rg-card.is-visible .cs-rg-before {
    stroke-dashoffset: calc(var(--rg-c) * (1 - var(--before-fr)));
    opacity: 0.3;
  }

  .cs-rg-card.is-visible .cs-rg-after {
    stroke-dashoffset: calc(var(--rg-c) * (1 - var(--after-fr)));
  }

  .cs-rg-card.is-visible .cs-rg-badge {
    opacity: 1;
    transform: scale(1);
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}