: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);
  --radius-sm: 4px; --radius-lg: 16px;
  --grid-max: 2000px; --grid-margin: clamp(24px, 5vw, 80px);
  --cs-lc-draw: 2000ms;
  --line-len: 820;
}

*, *::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-04 — Line / area growth chart
   ═══════════════════════════════════════════════════════════ */

.cs-lc {
  width: 100%;
  background: var(--dark);
  padding: clamp(64px, 8vw, 120px) var(--grid-margin);
  position: relative;
  overflow-x: clip;
  overflow-y: visible;
}

.cs-lc__header {
  position: relative;
  z-index: 1;
  max-width: var(--grid-max);
  margin: 0 auto;
  padding-bottom: clamp(32px, 4vw, 48px);
  text-align: center;
}

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

.cs-lc-card {
  position: relative;
  background: var(--dark-500);
  border: 1px solid var(--dark-400);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  padding-bottom: calc(clamp(24px, 4vw, 40px) + 48px);
}

.cs-lc-head {
  margin-bottom: 28px;
}

.cs-lc-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

.cs-lc-sub {
  margin-top: 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 400;
  color: var(--grey-500);
  line-height: 1.4;
}

.cs-lc-chart {
  width: 100%;
}

.cs-lc-chart svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 450px;
}

.cs-lc-grid line {
  stroke: var(--dark-400);
  stroke-width: 1;
}

.cs-lc-y-label,
.cs-lc-x-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 400;
  fill: var(--grey-500);
}

.cs-lc-y-label { text-anchor: end; }
.cs-lc-x-label { text-anchor: middle; }

.cs-lc-area {
  fill: url(#cs04-area-grad);
  opacity: 0;
  pointer-events: none;
}

.cs-lc-line {
  fill: none;
  stroke: url(#cs04-line-grad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: var(--line-len);
  stroke-dashoffset: var(--line-len);
  opacity: 0;
}

.cs-lc-card.cs-lc-line-ready .cs-lc-line {
  opacity: 1;
}

.cs-lc-dot {
  fill: var(--white);
  stroke: url(#cs04-line-grad);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0);
}

.cs-lc-dot--end {
  fill: url(#cs04-line-grad);
  stroke: var(--white);
  stroke-width: 1.5;
  transform: scale(0);
}

.cs-lc-dot-glow {
  fill: var(--pink);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0);
}

.cs-lc-badge {
  position: absolute;
  right: clamp(20px, 4vw, 40px);
  bottom: clamp(20px, 4vw, 40px);
  display: inline-flex;
  align-items: center;
  padding: 8px 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: translateY(6px);
}

/* ─── Motion: full animation ─────────────────────────────── */

@keyframes csLcDrawLine {
  to { stroke-dashoffset: 0; }
}

@keyframes csLcAreaFade {
  to { opacity: 1; }
}

@keyframes csLcLabelIn {
  to { opacity: 1; }
}

@keyframes csLcDotIn {
  to { transform: scale(1); }
}

@keyframes csLcGlowIn {
  to {
    opacity: 0.45;
    transform: scale(1);
  }
}

@keyframes csLcGlowPulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.75;
    transform: scale(1.35);
  }
}

@keyframes csLcBadgeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cs-lc-card.is-visible .cs-lc-line {
  animation: csLcDrawLine var(--cs-lc-draw) var(--ease-out) forwards;
}

.cs-lc-card.is-visible .cs-lc-area {
  animation: csLcAreaFade 900ms var(--ease-out) 350ms forwards;
}

.cs-lc-card.is-visible .cs-lc-x-label {
  animation: csLcLabelIn 420ms var(--ease-out) forwards;
}

.cs-lc-card.is-visible .cs-lc-dot:not(.cs-lc-dot--end) {
  animation: csLcDotIn 380ms var(--ease-out) forwards;
}

.cs-lc-card.is-visible .cs-lc-dot--end {
  animation: csLcDotIn 500ms var(--ease-out) forwards;
}

.cs-lc-card.is-visible .cs-lc-dot-glow[data-m="11"] {
  animation:
    csLcGlowIn 450ms var(--ease-out) calc(var(--cs-lc-draw) * 0.92) forwards,
    csLcGlowPulse 2s ease-in-out calc(var(--cs-lc-draw) * 0.92 + 480ms) infinite;
}

.cs-lc-card.is-visible .cs-lc-badge {
  animation: csLcBadgeIn 550ms var(--ease-out) 2.05s forwards;
}

/* Stagger X labels + dots to match line progression (~uniform along path) */
.cs-lc-card.is-visible .cs-lc-x-label[data-m="0"] { animation-delay: 40ms; }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="1"] { animation-delay: calc(var(--cs-lc-draw) * 0.09); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="2"] { animation-delay: calc(var(--cs-lc-draw) * 0.17); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="3"] { animation-delay: calc(var(--cs-lc-draw) * 0.25); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="4"] { animation-delay: calc(var(--cs-lc-draw) * 0.33); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="5"] { animation-delay: calc(var(--cs-lc-draw) * 0.41); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="6"] { animation-delay: calc(var(--cs-lc-draw) * 0.49); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="7"] { animation-delay: calc(var(--cs-lc-draw) * 0.57); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="8"] { animation-delay: calc(var(--cs-lc-draw) * 0.65); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="9"] { animation-delay: calc(var(--cs-lc-draw) * 0.73); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="10"] { animation-delay: calc(var(--cs-lc-draw) * 0.81); }
.cs-lc-card.is-visible .cs-lc-x-label[data-m="11"] { animation-delay: calc(var(--cs-lc-draw) * 0.89); }

.cs-lc-x-label {
  opacity: 0;
}

.cs-lc-card.is-visible .cs-lc-dot[data-m="0"] { animation-delay: 30ms; }
.cs-lc-card.is-visible .cs-lc-dot[data-m="1"] { animation-delay: calc(var(--cs-lc-draw) * 0.09); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="2"] { animation-delay: calc(var(--cs-lc-draw) * 0.17); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="3"] { animation-delay: calc(var(--cs-lc-draw) * 0.25); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="4"] { animation-delay: calc(var(--cs-lc-draw) * 0.33); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="5"] { animation-delay: calc(var(--cs-lc-draw) * 0.41); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="6"] { animation-delay: calc(var(--cs-lc-draw) * 0.49); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="7"] { animation-delay: calc(var(--cs-lc-draw) * 0.57); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="8"] { animation-delay: calc(var(--cs-lc-draw) * 0.65); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="9"] { animation-delay: calc(var(--cs-lc-draw) * 0.73); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="10"] { animation-delay: calc(var(--cs-lc-draw) * 0.81); }
.cs-lc-card.is-visible .cs-lc-dot[data-m="11"],
.cs-lc-card.is-visible .cs-lc-dot--end[data-m="11"] {
  animation-delay: calc(var(--cs-lc-draw) * 0.92);
}

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

@media (prefers-reduced-motion: reduce) {
  .cs-lc-line,
  .cs-lc-area,
  .cs-lc-x-label,
  .cs-lc-dot,
  .cs-lc-dot--end,
  .cs-lc-dot-glow,
  .cs-lc-badge {
    animation: none !important;
  }

  .cs-lc-card.is-visible .cs-lc-line {
    opacity: 1;
    stroke-dasharray: none;
    stroke-dashoffset: 0;
  }

  .cs-lc-card.is-visible .cs-lc-area {
    opacity: 1;
  }

  .cs-lc-card.is-visible .cs-lc-x-label {
    opacity: 1;
  }

  .cs-lc-card.is-visible .cs-lc-dot:not(.cs-lc-dot--end) {
    transform: scale(1);
  }

  .cs-lc-card.is-visible .cs-lc-dot--end {
    transform: scale(1);
  }

  .cs-lc-card.is-visible .cs-lc-dot-glow {
    opacity: 0.35;
    transform: scale(1);
  }

  .cs-lc-card.is-visible .cs-lc-badge {
    opacity: 1;
    transform: none;
  }
}

.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;
}