/* =================================================================
 * Case Studies (templates/template-case-studies.php)
 * Premium case-study library on the Vehicquire token system.
 * Self-contained: loads after reset / tokens / base / chrome only.
 * Prefix: .cs-      Behaviour: assets/js/case-studies.js
 * ================================================================= */

.main--cs { overflow-x: clip; }
.main--cs [id] { scroll-margin-top: 96px; }
.main--cs .cs-case[id] { scroll-margin-top: 170px; }

/* ---- Self-contained helpers (these live in home.css / service.css elsewhere) ---- */
.main--cs .brand-font { font-family: var(--vq-font-display); letter-spacing: -0.01em; }
.main--cs .eyebrow { display: inline-flex; align-items: center; gap: var(--vq-space-2); }
.main--cs .eyebrow__bar { display: inline-block; width: 32px; height: 3px; background: var(--vq-color-primary); border-radius: var(--vq-radius-sm); }
.main--cs .eyebrow--inverse { color: rgba(255, 255, 255, 0.6); }
.main--cs .eyebrow--inverse .eyebrow__bar { background: var(--vq-color-primary-light); }
.cs-icon { flex-shrink: 0; }

/* ---- Shared section heads ---- */
.cs-head { max-width: 760px; margin-bottom: var(--vq-space-8); }
.cs-head--center { text-align: center; margin-inline: auto; }
.cs-head--center .eyebrow { justify-content: center; }
.cs-h2 {
  font-size: clamp(1.75rem, 3.3vw, 2.75rem);
  font-weight: var(--vq-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--vq-color-secondary);
  margin: var(--vq-space-3) 0 var(--vq-space-4);
}
.cs-h2 em { font-style: normal; color: var(--vq-color-primary); }
.cs-head--inverse .cs-h2 { color: #fff; }
.cs-head--inverse .cs-h2 em { color: var(--vq-color-primary-light); }
.cs-lede { font-size: var(--vq-text-lg); color: var(--vq-color-muted); line-height: var(--vq-leading-base); margin: 0; }

/* ---- Photo frames (Media Library images) ---- */
.cs-metric__media, .cs-case__media, .cs-roi__media, .cs-faq__media, .cs-related__media { position: relative; margin: 0; overflow: hidden; background: var(--vq-color-bg-mute); }
.cs-metric__img, .cs-case__img, .cs-roi__img, .cs-faq__img, .cs-related__img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ---- Reading progress ---- */
.cs-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: calc(var(--vq-z-header) + 1); pointer-events: none; }
.cs-progress__bar { display: block; height: 100%; background: linear-gradient(90deg, var(--vq-color-primary), var(--vq-color-primary-light)); transform-origin: left center; transform: scaleX(0); }

/* ---- Scroll reveal (only when JS is running) ---- */
.cs-js .cs-reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--vq-ease-out), transform 700ms var(--vq-ease-out); }
.cs-js .cs-reveal.is-visible { opacity: 1; transform: none; }
.cs-js .cs-reveal[data-delay="1"] { transition-delay: 90ms; }
.cs-js .cs-reveal[data-delay="2"] { transition-delay: 180ms; }
.cs-js .cs-reveal[data-delay="3"] { transition-delay: 270ms; }
.cs-js .cs-reveal[data-delay="4"] { transition-delay: 360ms; }

/* =================================================================
 * HERO
 * ================================================================= */
.cs-hero { position: relative; padding-block: clamp(var(--vq-space-9), 7vw, var(--vq-space-11)); overflow: hidden; border-bottom: 1px solid var(--vq-color-border); }
.cs-hero__bg { position: absolute; inset: 0; pointer-events: none; }
.cs-hero__glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(45% 60% at 82% 18%, rgba(0, 78, 235, 0.11), transparent 70%),
    radial-gradient(40% 45% at 8% 0%, rgba(0, 78, 235, 0.06), transparent 70%);
}
.cs-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(60% 70% at 75% 35%, #000 10%, transparent 75%);
  mask-image: radial-gradient(60% 70% at 75% 35%, #000 10%, transparent 75%);
}
.cs-hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr); gap: clamp(var(--vq-space-7), 5vw, var(--vq-space-10)); align-items: center; }

.cs-hero__tag {
  display: inline-flex; align-items: center; gap: var(--vq-space-2);
  padding: 0.5em 1.1em; margin: 0 0 var(--vq-space-5);
  background: rgba(0, 78, 235, 0.07); color: var(--vq-color-primary);
  border: 1px solid rgba(0, 78, 235, 0.18); border-radius: var(--vq-radius-full);
  font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold);
}
.cs-hero__tag-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--vq-color-primary); box-shadow: 0 0 0 4px rgba(0, 78, 235, 0.16); }
.cs-hero__tag-dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--vq-color-primary); animation: csPing 2.2s var(--vq-ease-out) infinite; }

.cs-hero__title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: var(--vq-weight-bold);
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: var(--vq-color-secondary);
  margin: 0 0 var(--vq-space-5);
  max-width: 15ch;
}
.cs-hero__title em { position: relative; display: inline-block; font-style: normal; color: var(--vq-color-primary); white-space: nowrap; }
.cs-hero__swoosh { position: absolute; left: -2%; bottom: -0.2em; width: 104%; height: 0.32em; overflow: visible; pointer-events: none; }
.cs-hero__swoosh path { fill: none; stroke: var(--vq-color-primary); stroke-width: 5; stroke-linecap: round; opacity: 0.3; stroke-dasharray: 1; stroke-dashoffset: 0; }
.cs-js .cs-hero__title.is-visible .cs-hero__swoosh path { animation: csDraw 1.1s var(--vq-ease-out) 0.45s both; }

.cs-hero__lede { font-size: var(--vq-text-lg); color: var(--vq-color-muted); line-height: var(--vq-leading-base); max-width: 58ch; margin: 0 0 var(--vq-space-6); }
.cs-hero__actions { display: flex; flex-wrap: wrap; gap: var(--vq-space-3); }

.cs-hero__trust {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--vq-space-2) var(--vq-space-3);
  margin: var(--vq-space-8) 0 0; padding-top: var(--vq-space-5);
  border-top: 1px solid var(--vq-color-border);
  font-size: var(--vq-text-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--vq-color-subtle);
}
.cs-hero__trust-item { display: inline-flex; align-items: center; gap: 6px; }
.cs-hero__trust-item .cs-icon { color: var(--vq-color-primary); }
.cs-hero__trust b { font-family: var(--vq-font-display); font-weight: var(--vq-weight-semibold); color: var(--vq-color-ink); }
.cs-hero__trust-dot { color: #CBD5E1; }

/* ---- Hero case deck ---- */
.cs-deck { position: relative; }
.cs-deck__stage { display: grid; padding: 56px 64px 0 0; }
.cs-deck__card {
  grid-area: 1 / 1;
  position: relative;
  display: flex; flex-direction: column; gap: var(--vq-space-4);
  padding: clamp(var(--vq-space-5), 2.4vw, var(--vq-space-7));
  border-radius: var(--vq-radius-xl);
  background: #fff;
  border: 1px solid var(--vq-color-border);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12), 0 8px 24px rgba(15, 23, 42, 0.05);
  color: var(--vq-color-ink);
  text-decoration: none;
  transform-origin: 30% 100%;
  transition: transform var(--vq-duration-lg) var(--vq-ease), opacity var(--vq-duration-lg) var(--vq-ease), background var(--vq-duration-lg) var(--vq-ease), box-shadow var(--vq-duration-lg) var(--vq-ease);
  cursor: pointer;
}
.cs-deck__card[data-pos="0"] { z-index: 4; transform: none; background: var(--vq-color-secondary); border-color: rgba(255, 255, 255, 0.08); color: #fff; box-shadow: 0 40px 80px rgba(2, 6, 23, 0.32), 0 10px 30px rgba(0, 78, 235, 0.18); }
.cs-deck__card[data-pos="1"] { z-index: 3; transform: translate3d(24px, -20px, 0) rotate(2.5deg) scale(0.96); opacity: 0.92; }
.cs-deck__card[data-pos="2"] { z-index: 2; transform: translate3d(44px, -38px, 0) rotate(5deg) scale(0.92); opacity: 0.66; }
.cs-deck__card[data-pos="3"] { z-index: 1; transform: translate3d(62px, -54px, 0) rotate(7.5deg) scale(0.88); opacity: 0.4; }
.cs-deck__card[data-pos="0"]:hover { transform: translateY(-4px); }
.cs-deck__card[data-pos="0"]::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(70% 60% at 100% 0%, rgba(0, 78, 235, 0.35), transparent 65%);
}

.cs-deck__top { position: relative; display: flex; align-items: center; justify-content: space-between; gap: var(--vq-space-3); }
.cs-deck__index { font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); letter-spacing: 0.14em; text-transform: uppercase; color: var(--vq-color-primary); }
.cs-deck__time { display: inline-flex; align-items: center; gap: 6px; padding: 0.35em 0.8em; border-radius: var(--vq-radius-full); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); white-space: nowrap; }
.cs-deck__op { position: relative; font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: var(--vq-weight-bold); letter-spacing: -0.02em; line-height: 1.1; color: var(--vq-color-secondary); padding-right: 48px; }
.cs-deck__row { position: relative; display: grid; gap: 4px; padding: var(--vq-space-4); border-radius: var(--vq-radius-lg); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); }
.cs-deck__row--after { background: rgba(0, 78, 235, 0.05); border-color: rgba(0, 78, 235, 0.18); }
.cs-deck__k { font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); letter-spacing: 0.1em; text-transform: uppercase; color: var(--vq-color-subtle); }
.cs-deck__v { font-size: var(--vq-text-sm); color: var(--vq-color-muted); line-height: 1.45; }
.cs-deck__v strong { font-family: var(--vq-font-display); font-weight: var(--vq-weight-bold); color: var(--vq-color-secondary); }
.cs-deck__bar { display: block; height: 6px; margin-top: var(--vq-space-2); border-radius: var(--vq-radius-full); background: rgba(15, 23, 42, 0.06); overflow: hidden; }
.cs-deck__bar i { display: block; height: 100%; border-radius: inherit; transform-origin: left center; transition: transform 900ms var(--vq-ease-out) 200ms; }
.cs-deck__row--before .cs-deck__bar i { width: 32%; background: #CBD5E1; }
.cs-deck__row--after .cs-deck__bar i { width: 100%; background: linear-gradient(90deg, var(--vq-color-primary), var(--vq-color-primary-light)); }
.cs-deck__card:not([data-pos="0"]) .cs-deck__bar i { transform: scaleX(0); }
.cs-deck__go { position: absolute; top: clamp(4.25rem, 6vw, 5rem); right: clamp(var(--vq-space-5), 2.4vw, var(--vq-space-7)); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--vq-color-border); color: var(--vq-color-secondary); transition: background var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), transform var(--vq-duration) var(--vq-ease); }

.cs-deck__card[data-pos="0"] .cs-deck__index { color: var(--vq-color-primary-light); }
.cs-deck__card[data-pos="0"] .cs-deck__time { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.14); color: #fff; }
.cs-deck__card[data-pos="0"] .cs-deck__op { color: #fff; }
.cs-deck__card[data-pos="0"] .cs-deck__row { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.09); }
.cs-deck__card[data-pos="0"] .cs-deck__row--after { background: rgba(0, 78, 235, 0.22); border-color: rgba(78, 122, 232, 0.45); }
.cs-deck__card[data-pos="0"] .cs-deck__k { color: rgba(255, 255, 255, 0.55); }
.cs-deck__card[data-pos="0"] .cs-deck__v { color: rgba(255, 255, 255, 0.78); }
.cs-deck__card[data-pos="0"] .cs-deck__v strong { color: #fff; }
.cs-deck__card[data-pos="0"] .cs-deck__bar { background: rgba(255, 255, 255, 0.08); }
.cs-deck__card[data-pos="0"] .cs-deck__row--before .cs-deck__bar i { background: rgba(255, 255, 255, 0.35); }
.cs-deck__card[data-pos="0"] .cs-deck__go { border-color: rgba(255, 255, 255, 0.18); color: #fff; }
.cs-deck__card[data-pos="0"]:hover .cs-deck__go { background: var(--vq-color-primary); border-color: var(--vq-color-primary); transform: rotate(45deg); }

.cs-deck__controls { display: flex; align-items: center; justify-content: center; gap: var(--vq-space-4); margin-top: var(--vq-space-6); padding-right: 64px; }
.cs-deck__btn { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #fff; border: 1px solid var(--vq-color-border); color: var(--vq-color-secondary); transition: border-color var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), transform var(--vq-duration) var(--vq-ease); }
.cs-deck__btn:hover { border-color: var(--vq-color-primary); color: var(--vq-color-primary); transform: translateY(-1px); }
.cs-deck__dots { display: flex; align-items: center; gap: var(--vq-space-2); }
.cs-deck__dot { position: relative; width: 30px; height: 22px; }
.cs-deck__dot::before, .cs-deck__dot::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 5px; margin-top: -2.5px; border-radius: var(--vq-radius-full); }
.cs-deck__dot::before { background: var(--vq-color-border); transition: background var(--vq-duration) var(--vq-ease); }
.cs-deck__dot::after { background: var(--vq-color-primary); transform-origin: left center; transform: scaleX(0); }
.cs-deck__dot:hover::before { background: #CBD5E1; }
.cs-deck__dot.is-active::after { transform: scaleX(1); }
.cs-deck.is-playing .cs-deck__dot.is-active::after { animation: csFill 5s linear both; }

/* =================================================================
 * THE ONE METRIC THAT MATTERS
 * ================================================================= */
.cs-metric__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(var(--vq-space-7), 6vw, var(--vq-space-11)); align-items: center; }
.cs-metric__intro .cs-h2 { max-width: 18ch; }
.cs-metric__media { margin-top: var(--vq-space-7); aspect-ratio: 16 / 10; border-radius: var(--vq-radius-xl); box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12); }
.cs-strike { position: relative; display: inline-block; color: var(--vq-color-subtle); }
.cs-strike::after { content: ""; position: absolute; left: -3%; right: -3%; top: 54%; height: 0.08em; min-height: 3px; border-radius: 3px; background: var(--vq-color-danger); transform-origin: left center; transition: transform 600ms var(--vq-ease-out) 450ms; }
.cs-js .cs-reveal:not(.is-visible) .cs-strike::after { transform: scaleX(0); }

.cs-metric__card { position: relative; padding: clamp(var(--vq-space-6), 3.4vw, var(--vq-space-9)); background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08); }
.cs-metric__card::before { content: ""; position: absolute; top: -1px; left: clamp(var(--vq-space-6), 3.4vw, var(--vq-space-9)); width: 64px; height: 3px; border-radius: 0 0 3px 3px; background: var(--vq-color-primary); }
.cs-metric__kicker { font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); letter-spacing: 0.06em; text-transform: uppercase; color: var(--vq-color-subtle); margin: 0 0 var(--vq-space-5); }
.cs-metric__list { display: grid; gap: var(--vq-space-3); }
.cs-metric__item { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: var(--vq-space-4); align-items: start; padding: var(--vq-space-4); border-radius: var(--vq-radius-lg); transition: background var(--vq-duration) var(--vq-ease); }
.cs-metric__item:hover { background: var(--vq-color-bg-soft); }
.cs-metric__num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--vq-radius-md); background: var(--vq-color-primary); color: #fff; font-weight: var(--vq-weight-bold); box-shadow: 0 6px 16px rgba(0, 78, 235, 0.25); }
.cs-metric__text strong { display: block; font-family: var(--vq-font-display); font-size: var(--vq-text-lg); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); line-height: 1.3; }
.cs-metric__text span { display: block; margin-top: 4px; color: var(--vq-color-muted); line-height: 1.5; }

/* =================================================================
 * STAT BAR (dark)
 * ================================================================= */
.cs-stats { position: relative; background: var(--vq-color-secondary); color: #fff; overflow: hidden; }
.cs-stats__bg { position: absolute; inset: 0; background: radial-gradient(60% 70% at 50% 0%, rgba(0, 78, 235, 0.3), transparent 70%); }
.cs-stats__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent 80%);
  mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent 80%);
}
.cs-stats__inner { position: relative; z-index: 1; }
.cs-stats__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--vq-radius-xl); overflow: hidden; }
.cs-stat { position: relative; display: flex; flex-direction: column; gap: var(--vq-space-3); min-height: 240px; padding: clamp(var(--vq-space-5), 3vw, var(--vq-space-8)); background: var(--vq-color-secondary); transition: background var(--vq-duration-lg) var(--vq-ease); }
.cs-stat:hover { background: #06102B; }
.cs-stat__num {
  font-size: clamp(2.5rem, 4.6vw, 3.75rem); font-weight: var(--vq-weight-bold); letter-spacing: -0.035em; line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 30%, #BFD3FF); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cs-stat__label { font-size: var(--vq-text-base); color: rgba(255, 255, 255, 0.66); line-height: 1.45; max-width: 30ch; }

.cs-viz { display: block; margin-top: auto; padding-top: var(--vq-space-4); }
.cs-viz--dots { display: grid; grid-template-columns: repeat(9, 10px); gap: 8px; }
.cs-viz--dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(78, 122, 232, 0.55); transition: transform 400ms var(--vq-ease-out), opacity 400ms var(--vq-ease-out); }
.cs-viz--dots i:nth-child(3n) { background: var(--vq-color-primary-light); }
.cs-viz--dots i:nth-child(5n) { background: rgba(255, 255, 255, 0.85); }
.cs-viz--spark { display: flex; align-items: flex-end; gap: 6px; height: 64px; }
.cs-viz--spark i { flex: 1; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--vq-color-primary-light), rgba(0, 78, 235, 0.35)); transform-origin: bottom; transition: transform 700ms var(--vq-ease-out); }
.cs-viz--spark i:nth-child(1) { height: 18%; } .cs-viz--spark i:nth-child(2) { height: 26%; } .cs-viz--spark i:nth-child(3) { height: 32%; }
.cs-viz--spark i:nth-child(4) { height: 44%; } .cs-viz--spark i:nth-child(5) { height: 52%; } .cs-viz--spark i:nth-child(6) { height: 66%; }
.cs-viz--spark i:nth-child(7) { height: 74%; } .cs-viz--spark i:nth-child(8) { height: 88%; } .cs-viz--spark i:nth-child(9) { height: 100%; background: linear-gradient(180deg, #fff, var(--vq-color-primary-light)); }
.cs-viz--steady svg { display: block; width: 100%; height: 56px; overflow: visible; }
.cs-viz--steady polyline { fill: none; stroke: var(--vq-color-primary-light); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 0; vector-effect: non-scaling-stroke; transition: stroke-dashoffset 1.2s var(--vq-ease-out) 200ms; }
.cs-viz--ring svg { display: block; width: 64px; height: 64px; transform: rotate(-90deg); }
.cs-viz__ring-track, .cs-viz__ring-fill { fill: none; stroke-width: 5; }
.cs-viz__ring-track { stroke: rgba(255, 255, 255, 0.1); }
.cs-viz__ring-fill { stroke: var(--vq-color-primary-light); stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1.2s var(--vq-ease-out) 200ms; }
.cs-viz--track { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: auto; }
.cs-stat .cs-viz--track { margin-bottom: 6px; }
.cs-viz__seg { display: block; height: 10px; border-radius: var(--vq-radius-full); background: rgba(255, 255, 255, 0.08); }
.cs-viz__seg--on { background: linear-gradient(90deg, var(--vq-color-primary), var(--vq-color-primary-light)); transform-origin: left center; transition: transform 900ms var(--vq-ease-out) 200ms; }
.cs-viz--bars { display: grid; gap: 8px; }
.cs-viz__bar { display: block; height: 10px; border-radius: var(--vq-radius-full); transform-origin: left center; transition: transform 900ms var(--vq-ease-out) 200ms; }
.cs-viz__bar--us { width: 25%; background: linear-gradient(90deg, var(--vq-color-primary), var(--vq-color-primary-light)); }
.cs-viz__bar--norm { width: 75%; background: rgba(255, 255, 255, 0.18); }

.cs-js .cs-stat:not(.is-visible) .cs-viz--dots i { transform: scale(0); opacity: 0; }
.cs-js .cs-stat:not(.is-visible) .cs-viz--spark i { transform: scaleY(0); }
.cs-js .cs-stat:not(.is-visible) .cs-viz--steady polyline,
.cs-js .cs-stat:not(.is-visible) .cs-viz__ring-fill { stroke-dashoffset: 1; }
.cs-js .cs-stat:not(.is-visible) .cs-viz__seg--on,
.cs-js .cs-stat:not(.is-visible) .cs-viz__bar { transform: scaleX(0); }
.cs-viz--dots i:nth-child(2n) { transition-delay: 60ms; } .cs-viz--dots i:nth-child(3n) { transition-delay: 120ms; } .cs-viz--dots i:nth-child(4n) { transition-delay: 180ms; }
.cs-viz--spark i:nth-child(n+4) { transition-delay: 90ms; } .cs-viz--spark i:nth-child(n+7) { transition-delay: 180ms; }
.cs-viz__bar--norm { transition-delay: 350ms; }

/* =================================================================
 * CASE STUDY LIBRARY (tabbed case viewer)
 * ================================================================= */
.cs-library__head { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(var(--vq-space-6), 4vw, var(--vq-space-9)); align-items: start; margin-bottom: var(--vq-space-9); }
.cs-library__head .cs-h2 { margin-bottom: 0; max-width: 14ch; }
.cs-note { display: flex; gap: var(--vq-space-3); align-items: flex-start; margin: var(--vq-space-5) 0 0; padding: var(--vq-space-4) var(--vq-space-5); background: var(--vq-color-bg-soft); border: 1px solid rgba(0, 78, 235, 0.14); border-radius: var(--vq-radius-lg); font-size: var(--vq-text-sm); color: var(--vq-color-muted); line-height: 1.6; }
.cs-note .cs-icon { margin-top: 2px; color: var(--vq-color-primary); }
.cs-note a { color: var(--vq-color-primary); font-weight: var(--vq-weight-semibold); text-decoration: underline; text-underline-offset: 0.18em; }

/* ---- Tab bar ---- */
.cs-tabs__bar {
  position: sticky; top: 68px; z-index: 50;
  margin-inline: calc(-1 * clamp(1rem, 4vw, 2rem));
  padding: var(--vq-space-3) clamp(1rem, 4vw, 2rem);
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: saturate(180%) blur(12px); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--vq-duration) var(--vq-ease), box-shadow var(--vq-duration) var(--vq-ease);
}
.cs-tabs__bar.is-stuck { border-bottom-color: var(--vq-color-border); box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05); }
.cs-tabs__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; padding: 6px; background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); }
.cs-tab {
  display: flex; align-items: center; gap: var(--vq-space-3); min-width: 0;
  padding: var(--vq-space-3) var(--vq-space-4);
  border-radius: var(--vq-radius-lg);
  color: var(--vq-color-ink); text-decoration: none;
  transition: background var(--vq-duration) var(--vq-ease), box-shadow var(--vq-duration) var(--vq-ease);
}
.cs-tab:hover { background: #fff; color: var(--vq-color-ink); }
.cs-tab__index { flex-shrink: 0; display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--vq-radius-md); background: #fff; border: 1px solid var(--vq-color-border); color: var(--vq-color-primary); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-bold); transition: background var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), border-color var(--vq-duration) var(--vq-ease); }
.cs-tab__text { display: flex; flex-direction: column; min-width: 0; }
.cs-tab__name { font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cs-tab__time { font-size: var(--vq-text-xs); color: var(--vq-color-subtle); white-space: nowrap; }
.cs-tab.is-active { background: var(--vq-color-secondary); box-shadow: 0 12px 28px rgba(2, 6, 23, 0.22); }
.cs-tab.is-active .cs-tab__index { background: var(--vq-color-primary); border-color: var(--vq-color-primary); color: #fff; }
.cs-tab.is-active .cs-tab__name { color: #fff; }
.cs-tab.is-active .cs-tab__time { color: rgba(255, 255, 255, 0.6); }

/* ---- Panels ---- */
.cs-cases { margin-top: var(--vq-space-9); }
.cs-case[hidden] { display: none; }
.cs-case + .cs-case { margin-top: var(--vq-space-11); padding-top: var(--vq-space-11); border-top: 1px solid var(--vq-color-border); }
.cs-tabs.is-ready .cs-case + .cs-case { margin-top: 0; padding-top: 0; border-top: 0; }
.cs-tabs.is-ready .cs-case.is-active { animation: csPanelIn 520ms var(--vq-ease-out) both; }
.cs-case:focus { outline: none; }

/* Case header: photo + intro */
.cs-case__top { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(var(--vq-space-6), 5vw, var(--vq-space-10)); align-items: center; margin-bottom: var(--vq-space-9); }
.cs-case__media { aspect-ratio: 3 / 2; border-radius: var(--vq-radius-xl); box-shadow: 0 30px 70px rgba(15, 23, 42, 0.14); }
.cs-case__img { transition: transform 1.2s var(--vq-ease-out); }
.cs-case__media:hover .cs-case__img { transform: scale(1.03); }
.cs-case__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(20deg, rgba(2, 6, 23, 0.72) 0%, rgba(2, 6, 23, 0.12) 45%, transparent 70%); pointer-events: none; }
.cs-case__numeral { position: absolute; left: clamp(var(--vq-space-5), 2.5vw, var(--vq-space-7)); bottom: clamp(var(--vq-space-4), 2vw, var(--vq-space-6)); z-index: 1; font-size: clamp(3.5rem, 6vw, 5.5rem); font-weight: var(--vq-weight-bold); line-height: 0.8; letter-spacing: -0.05em; color: #fff; text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35); }
.cs-case__intro { display: flex; flex-direction: column; align-items: flex-start; gap: var(--vq-space-4); }
.cs-case__eyebrow { display: flex; align-items: center; justify-content: space-between; gap: var(--vq-space-4); width: 100%; }
.cs-case__index { margin: 0; font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-bold); letter-spacing: 0.14em; text-transform: uppercase; color: var(--vq-color-primary); }
.cs-case__tag { margin: 0; font-size: var(--vq-text-base); font-weight: var(--vq-weight-medium); line-height: 1.45; color: var(--vq-color-muted); }
.cs-case__title { margin: 0; max-width: 24ch; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: var(--vq-weight-bold); letter-spacing: -0.02em; line-height: 1.1; color: var(--vq-color-secondary); }
.cs-case__time { display: inline-flex; align-items: center; gap: var(--vq-space-3); margin: var(--vq-space-2) 0 0; padding: var(--vq-space-3) var(--vq-space-5) var(--vq-space-3) var(--vq-space-4); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-lg); font-size: var(--vq-text-sm); line-height: 1.35; color: var(--vq-color-muted); }
.cs-case__time .cs-icon { color: var(--vq-color-primary); }
.cs-case__time b { display: block; font-family: var(--vq-font-display); font-size: var(--vq-text-lg); font-weight: var(--vq-weight-bold); line-height: 1.15; color: var(--vq-color-secondary); }
.cs-case__copy { flex-shrink: 0; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: #fff; border: 1px solid var(--vq-color-border); color: var(--vq-color-muted); transition: border-color var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), background var(--vq-duration) var(--vq-ease); }
.cs-case__copy:hover { border-color: var(--vq-color-primary); color: var(--vq-color-primary); }
.cs-case__copy .cs-icon--check { display: none; }
.cs-case__copy.is-copied { background: var(--vq-color-success); border-color: var(--vq-color-success); color: #fff; }
.cs-case__copy.is-copied .cs-icon--link { display: none; }
.cs-case__copy.is-copied .cs-icon--check { display: block; }

/* Before / after table */
.cs-ba { margin-bottom: var(--vq-space-9); }
.cs-ba__toggle { display: none; }
.cs-ba__wrap { background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); overflow: hidden; box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06); }
.cs-ba__table { width: 100%; table-layout: fixed; }
.cs-ba__table th, .cs-ba__table td { padding: var(--vq-space-5) var(--vq-space-6); text-align: left; vertical-align: top; line-height: 1.5; border-top: 1px solid var(--vq-color-border); }
.cs-ba__table thead th, .cs-ba__table thead td { border-top: 0; padding-block: var(--vq-space-4); font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); letter-spacing: 0.1em; text-transform: uppercase; }
.cs-ba__table thead tr > :nth-child(1) { width: 24%; }
.cs-ba__corner { background: var(--vq-color-bg-mute); }
.cs-ba__th--before { background: var(--vq-color-bg-mute); color: var(--vq-color-subtle); }
.cs-ba__th--after { background: var(--vq-color-primary); color: #fff; }
.cs-ba__label { font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); background: var(--vq-color-bg-mute); }
.cs-ba__before { color: var(--vq-color-muted); }
.cs-ba__after { background: rgba(0, 78, 235, 0.04); color: var(--vq-color-secondary); font-weight: var(--vq-weight-semibold); }
.cs-ba__after-inner { display: flex; gap: var(--vq-space-2); align-items: flex-start; }
.cs-ba__check { flex-shrink: 0; display: grid; place-items: center; width: 20px; height: 20px; margin-top: 1px; border-radius: 50%; background: var(--vq-color-primary); color: #fff; }

/* Situation -> Approach -> Result */
.cs-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--vq-space-5); margin: 0 0 var(--vq-space-9); }
.cs-step { position: relative; display: flex; flex-direction: column; gap: var(--vq-space-3); padding: clamp(var(--vq-space-5), 2.4vw, var(--vq-space-7)); background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); }
.cs-step:not(:last-child)::after { content: ""; position: absolute; top: calc(clamp(var(--vq-space-5), 2.4vw, var(--vq-space-7)) + 19px); left: 100%; width: var(--vq-space-5); height: 2px; background: linear-gradient(90deg, var(--vq-color-border), rgba(0, 78, 235, 0.45)); }
.cs-step--result { background: linear-gradient(180deg, rgba(0, 78, 235, 0.06), rgba(0, 78, 235, 0.02)); border-color: rgba(0, 78, 235, 0.22); }
.cs-step__head { display: flex; align-items: center; gap: var(--vq-space-3); margin-bottom: var(--vq-space-2); }
.cs-step__icon { flex-shrink: 0; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); color: var(--vq-color-subtle); }
.cs-step--approach .cs-step__icon { background: rgba(0, 78, 235, 0.08); border-color: rgba(0, 78, 235, 0.25); color: var(--vq-color-primary); }
.cs-step--result .cs-step__icon { background: var(--vq-color-primary); border-color: var(--vq-color-primary); color: #fff; box-shadow: 0 10px 24px rgba(0, 78, 235, 0.3); }
.cs-step__label { margin: 0; font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-bold); letter-spacing: 0.14em; text-transform: uppercase; line-height: 1.2; color: var(--vq-color-primary); }
.cs-step p { margin: 0; color: var(--vq-color-muted); line-height: 1.7; }
.cs-step__list { display: grid; gap: var(--vq-space-3); }
.cs-step__list li { position: relative; padding-left: 30px; color: var(--vq-color-muted); line-height: 1.6; }
.cs-step__list li::before {
  content: ""; position: absolute; left: 0; top: 0.2em; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0, 78, 235, 0.1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23004EEB' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px 12px no-repeat;
}
.cs-step p.cs-step__result { color: var(--vq-color-ink); }
.cs-step__result strong { color: var(--vq-color-secondary); font-weight: var(--vq-weight-bold); background: linear-gradient(transparent 58%, rgba(0, 78, 235, 0.18) 58%); padding: 0 0.1em; }

/* Takeaway + footer row */
.cs-takeaway { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--vq-space-5); margin: 0 0 var(--vq-space-7); padding: clamp(var(--vq-space-6), 3.4vw, var(--vq-space-9)); border-radius: var(--vq-radius-xl); background: var(--vq-color-secondary); overflow: hidden; }
.cs-takeaway::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 90% at 100% 0%, rgba(0, 78, 235, 0.38), transparent 70%); pointer-events: none; }
.cs-takeaway__mark { position: relative; display: grid; place-items: center; width: 52px; height: 52px; border-radius: var(--vq-radius-md); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); color: var(--vq-color-primary-light); }
.cs-takeaway p { position: relative; align-self: center; margin: 0; font-family: var(--vq-font-display); font-size: clamp(1.125rem, 1.8vw, 1.45rem); font-weight: var(--vq-weight-medium); letter-spacing: -0.01em; line-height: 1.45; color: #fff; }

.cs-case__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--vq-space-5); }
.cs-case__link { display: inline-flex; align-items: center; gap: var(--vq-space-2); padding-bottom: 3px; border-bottom: 2px solid rgba(0, 78, 235, 0.25); font-family: var(--vq-font-display); font-weight: var(--vq-weight-semibold); color: var(--vq-color-primary); text-decoration: none; transition: border-color var(--vq-duration) var(--vq-ease), gap var(--vq-duration) var(--vq-ease); }
.cs-case__link:hover { border-bottom-color: var(--vq-color-primary); gap: var(--vq-space-3); color: var(--vq-color-primary-dark); }
.cs-case__pager { display: none; align-items: center; gap: var(--vq-space-4); }
.cs-tabs.is-ready .cs-case__pager { display: flex; }
.cs-case__pager-btn { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: #fff; border: 1px solid var(--vq-color-border); color: var(--vq-color-secondary); transition: border-color var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), background var(--vq-duration) var(--vq-ease); }
.cs-case__pager-btn:hover { background: var(--vq-color-secondary); border-color: var(--vq-color-secondary); color: #fff; }
.cs-case__dots { display: flex; align-items: center; gap: 6px; }
.cs-case__dots i { width: 8px; height: 8px; border-radius: var(--vq-radius-full); background: var(--vq-color-border); }
.cs-case__dots i.is-on { width: 24px; background: var(--vq-color-primary); }

/* =================================================================
 * BEFORE / AFTER SUMMARY
 * ================================================================= */
.cs-summary__card { background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); overflow: hidden; box-shadow: 0 24px 60px rgba(15, 23, 42, 0.07); }
.cs-summary__table { width: 100%; }
.cs-summary__table thead th { padding: var(--vq-space-4) var(--vq-space-5); background: var(--vq-color-secondary); color: rgba(255, 255, 255, 0.7); text-align: left; font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); letter-spacing: 0.1em; text-transform: uppercase; }
.cs-summary__table thead .cs-summary__th-after { background: var(--vq-color-primary); color: #fff; }
.cs-summary__table tbody th, .cs-summary__table tbody td { padding: var(--vq-space-5); border-top: 1px solid var(--vq-color-border); text-align: left; vertical-align: middle; line-height: 1.45; }
.cs-summary__table tbody tr { transition: background var(--vq-duration) var(--vq-ease); }
.cs-summary__table tbody tr:hover { background: var(--vq-color-bg-soft); }
.cs-summary__op { display: inline-flex; align-items: center; gap: var(--vq-space-3); font-family: var(--vq-font-display); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); text-decoration: none; transition: color var(--vq-duration) var(--vq-ease); }
.cs-summary__op:hover { color: var(--vq-color-primary); }
.cs-summary__index { display: grid; place-items: center; flex-shrink: 0; width: 34px; height: 34px; border-radius: var(--vq-radius-md); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); color: var(--vq-color-primary); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-bold); }
.cs-summary__before { color: var(--vq-color-muted); }
.cs-summary__table tbody .cs-summary__after { background: rgba(0, 78, 235, 0.04); color: var(--vq-color-ink); }
.cs-summary__after strong { font-family: var(--vq-font-display); font-weight: var(--vq-weight-bold); color: var(--vq-color-primary); }
.cs-summary__time { display: inline-flex; padding: 0.35em 0.9em; border-radius: var(--vq-radius-full); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); white-space: nowrap; }
.cs-summary__note { display: flex; flex-direction: column; align-items: center; gap: var(--vq-space-4); max-width: 900px; margin: var(--vq-space-9) auto 0; text-align: center; }
.cs-summary__note-icon { flex-shrink: 0; display: grid; place-items: center; width: 48px; height: 48px; border-radius: var(--vq-radius-md); background: #DBEAFE; color: #2563EB; }
.cs-summary__note p { margin: 0; font-size: var(--vq-text-lg); color: var(--vq-color-ink); line-height: 1.6; }

/* =================================================================
 * ROI METHODOLOGY
 * ================================================================= */
.cs-roi .cs-head { margin-bottom: var(--vq-space-9); }
.cs-roi__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: clamp(var(--vq-space-7), 5vw, var(--vq-space-10)); align-items: start; }
.cs-roi__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--vq-space-8); }
.cs-roi__item { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: var(--vq-space-4); align-items: start; padding: var(--vq-space-6) 0; border-top: 1px solid var(--vq-color-border); }
.cs-roi__item:nth-child(-n+2) { padding-top: 0; border-top: 0; }
.cs-roi__n { display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--vq-radius-md); background: rgba(0, 78, 235, 0.08); color: var(--vq-color-primary); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-bold); transition: background var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease); }
.cs-roi__item:hover .cs-roi__n { background: var(--vq-color-primary); color: #fff; }
.cs-roi__text strong { display: block; margin-bottom: var(--vq-space-2); font-family: var(--vq-font-display); font-size: var(--vq-text-lg); font-weight: var(--vq-weight-semibold); color: var(--vq-color-secondary); line-height: 1.3; }
.cs-roi__text span { display: block; color: var(--vq-color-muted); line-height: 1.6; }

.cs-roi__aside { position: sticky; top: 100px; }
.cs-roi__panel { position: relative; border-radius: var(--vq-radius-xl); background: var(--vq-color-secondary); color: #fff; overflow: hidden; box-shadow: 0 30px 70px rgba(2, 6, 23, 0.22); }
.cs-roi__media { aspect-ratio: 16 / 10; background: var(--vq-color-secondary); }
.cs-roi__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(2, 6, 23, 0) 35%, var(--vq-color-secondary) 100%); pointer-events: none; }
.cs-roi__panel-body { position: relative; margin-top: calc(-1 * var(--vq-space-7)); padding: 0 clamp(var(--vq-space-6), 3.5vw, var(--vq-space-8)) clamp(var(--vq-space-6), 3.5vw, var(--vq-space-8)); }
.cs-roi__panel-title { margin: 0 0 var(--vq-space-3); font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: var(--vq-weight-bold); letter-spacing: -0.02em; line-height: 1.15; color: #fff; }
.cs-roi__panel-text { margin: 0; color: rgba(255, 255, 255, 0.72); line-height: 1.6; }
.cs-roi__btn { margin-top: var(--vq-space-6); background: #fff; color: var(--vq-color-secondary); border: 0; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3); }
.cs-roi__btn:hover { background: var(--vq-color-primary); color: #fff; transform: translateY(-2px); }

/* =================================================================
 * FAQ
 * ================================================================= */
.cs-faq__grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(var(--vq-space-7), 5vw, var(--vq-space-10)); align-items: start; }
.cs-faq__head { margin-bottom: 0; }
.cs-faq__head .cs-h2 { max-width: 16ch; }
.cs-faq__media { margin-top: var(--vq-space-7); aspect-ratio: 4 / 3; border-radius: var(--vq-radius-xl); box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1); }
@media (min-width: 981px) and (min-height: 820px) {
  .cs-faq__side { position: sticky; top: 100px; }
}
.cs-faq__list { display: flex; flex-direction: column; gap: var(--vq-space-3); }
.cs-faq__item { background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-lg); transition: border-color var(--vq-duration) var(--vq-ease), box-shadow var(--vq-duration) var(--vq-ease), opacity 700ms var(--vq-ease-out), transform 700ms var(--vq-ease-out); }
.cs-faq__item:hover { border-color: rgba(0, 78, 235, 0.45); }
.cs-faq__item[open] { border-color: var(--vq-color-primary); box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07); }
.cs-faq__q { display: flex; align-items: center; justify-content: space-between; gap: var(--vq-space-4); padding: var(--vq-space-5) var(--vq-space-6); font-family: var(--vq-font-display); font-size: var(--vq-text-lg); font-weight: var(--vq-weight-semibold); line-height: 1.35; color: var(--vq-color-secondary); cursor: pointer; list-style: none; }
.cs-faq__q::-webkit-details-marker { display: none; }
.cs-faq__q:focus-visible { outline-offset: -2px; border-radius: var(--vq-radius-lg); }
.cs-faq__icon { position: relative; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); transition: background var(--vq-duration) var(--vq-ease), border-color var(--vq-duration) var(--vq-ease); }
.cs-faq__icon::before, .cs-faq__icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; border-radius: 2px; background: var(--vq-color-primary); transition: transform var(--vq-duration-lg) var(--vq-ease), background var(--vq-duration) var(--vq-ease); }
.cs-faq__icon::after { transform: rotate(90deg); }
.cs-faq__item[open]:not(.is-closing) .cs-faq__icon { background: var(--vq-color-primary); border-color: var(--vq-color-primary); }
.cs-faq__item[open]:not(.is-closing) .cs-faq__icon::before,
.cs-faq__item[open]:not(.is-closing) .cs-faq__icon::after { background: #fff; }
.cs-faq__item[open]:not(.is-closing) .cs-faq__icon::after { transform: rotate(0deg); }
.cs-faq__a { overflow: hidden; }
.cs-faq__a p { margin: 0; padding: 0 var(--vq-space-6) var(--vq-space-6); color: var(--vq-color-muted); line-height: 1.7; }

/* =================================================================
 * CLOSING CTA (dark, photo backdrop)
 * ================================================================= */
.cs-cta { position: relative; background: var(--vq-color-secondary); color: #fff; text-align: center; overflow: hidden; isolation: isolate; padding-block: clamp(var(--vq-space-10), 10vw, var(--vq-space-12)); }
.cs-cta__bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.cs-cta__photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.4; filter: saturate(0.85); }
.cs-cta__bg::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 75% at 50% 110%, rgba(0, 78, 235, 0.5), transparent 70%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.93) 0%, rgba(2, 6, 23, 0.78) 50%, rgba(2, 6, 23, 0.95) 100%);
}
.cs-cta__ring { position: absolute; z-index: 1; left: 50%; top: 100%; width: min(1100px, 130vw); aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(78, 122, 232, 0.28); transform: translate(-50%, -50%) scale(0.3); opacity: 0; animation: csRing 9s linear infinite; }
.cs-cta__ring:nth-of-type(2) { animation-delay: -3s; }
.cs-cta__ring:nth-of-type(3) { animation-delay: -6s; }
.cs-cta__inner { display: flex; flex-direction: column; align-items: center; max-width: 900px; }
.cs-cta__tag { display: inline-flex; align-items: center; gap: var(--vq-space-2); margin: 0 0 var(--vq-space-5); padding: 0.5em 1.1em; border-radius: var(--vq-radius-full); background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.18); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); color: #fff; }
.cs-cta__dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #34D399; box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18); }
.cs-cta__dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #34D399; animation: csPing 2.2s var(--vq-ease-out) infinite; }
.cs-cta__title { margin: 0 0 var(--vq-space-5); font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: var(--vq-weight-bold); letter-spacing: -0.03em; line-height: 1.02; color: #fff; }
.cs-cta__title em { font-style: normal; color: var(--vq-color-primary-light); }
.cs-cta__lead { max-width: 58ch; margin: 0 0 var(--vq-space-7); font-size: var(--vq-text-lg); line-height: var(--vq-leading-base); color: rgba(255, 255, 255, 0.76); }
.cs-cta__btn { background: #fff; color: var(--vq-color-secondary); border: 0; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3); }
.cs-cta__btn:hover { background: var(--vq-color-primary); color: #fff; transform: translateY(-2px); }
.cs-cta__foot { margin: var(--vq-space-6) 0 0; font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255, 255, 255, 0.55); }

/* =================================================================
 * RELATED READING
 * ================================================================= */
.cs-related__grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--vq-space-5); }
.cs-related__grid > li { grid-column: span 2; }
.cs-related__grid > li:nth-child(-n+2) { grid-column: span 3; }
.cs-related__card { position: relative; display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-xl); color: var(--vq-color-ink); text-decoration: none; overflow: hidden; transition: border-color var(--vq-duration) var(--vq-ease), transform var(--vq-duration) var(--vq-ease), box-shadow var(--vq-duration) var(--vq-ease); }
.cs-related__card:hover { border-color: var(--vq-color-primary); transform: translateY(-4px); box-shadow: 0 24px 50px rgba(15, 23, 42, 0.1); color: var(--vq-color-ink); }
.cs-related__media { display: block; aspect-ratio: 16 / 9; }
.cs-related__grid > li:nth-child(-n+2) .cs-related__media { aspect-ratio: 2 / 1; }
.cs-related__img { transition: transform 900ms var(--vq-ease-out); }
.cs-related__img--portrait { object-position: 50% 18%; }
.cs-related__card:hover .cs-related__img { transform: scale(1.05); }
.cs-related__body { position: relative; display: flex; flex-direction: column; gap: var(--vq-space-2); padding: var(--vq-space-8) var(--vq-space-6) var(--vq-space-6); }
.cs-related__icon { position: absolute; top: -26px; left: var(--vq-space-6); display: grid; place-items: center; width: 52px; height: 52px; border-radius: var(--vq-radius-md); border: 4px solid #fff; box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08); }
.cs-related__icon--blue   { background: #DBEAFE; color: #2563EB; }
.cs-related__icon--purple { background: #EDE9FE; color: #7C3AED; }
.cs-related__icon--pink   { background: #FCE7F3; color: #DB2777; }
.cs-related__icon--teal   { background: #CCFBF1; color: #0D9488; }
.cs-related__icon--sky    { background: #E0F2FE; color: #0284C7; }
.cs-related__title { font-size: var(--vq-text-xl); font-weight: var(--vq-weight-bold); letter-spacing: -0.01em; line-height: 1.2; color: var(--vq-color-secondary); }
.cs-related__desc { max-width: 46ch; color: var(--vq-color-muted); line-height: 1.55; }
.cs-related__arrow { position: absolute; top: var(--vq-space-4); right: var(--vq-space-4); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.92); color: var(--vq-color-secondary); box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12); transition: background var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease), transform var(--vq-duration) var(--vq-ease); }
.cs-related__card:hover .cs-related__arrow { background: var(--vq-color-primary); color: #fff; transform: rotate(45deg); }
.cs-disclaimer { margin: var(--vq-space-10) 0 0; font-size: var(--vq-text-sm); font-style: italic; line-height: 1.6; color: var(--vq-color-subtle); }

/* ---- Mobile sticky CTA ---- */
.cs-mobilebar { display: none; }

/* ---- Keyframes ---- */
@keyframes csPing { 0% { transform: scale(1); opacity: 0.6; } 80%, 100% { transform: scale(2.6); opacity: 0; } }
@keyframes csDraw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes csFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes csRing { 0% { transform: translate(-50%, -50%) scale(0.3); opacity: 0; } 20% { opacity: 1; } 100% { transform: translate(-50%, -50%) scale(1.25); opacity: 0; } }
@keyframes csPanelIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* =================================================================
 * RESPONSIVE (desktop-first, matches site breakpoints)
 * ================================================================= */
@media (max-width: 1100px) {
  .cs-tabs__list { display: flex; overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none; }
  .cs-tabs__list::-webkit-scrollbar { display: none; }
  .cs-tab { flex: 0 0 auto; min-width: 220px; scroll-snap-align: start; }
  .cs-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-step--result { grid-column: 1 / -1; }
  .cs-step::after { display: none; }
  .cs-roi__list { grid-template-columns: 1fr; }
  .cs-roi__item:nth-child(2) { padding-top: var(--vq-space-6); border-top: 1px solid var(--vq-color-border); }
}

@media (max-width: 980px) {
  .cs-hero__inner { grid-template-columns: 1fr; }
  .cs-hero__title { max-width: 18ch; }
  .cs-deck { max-width: 560px; }
  .cs-metric__grid, .cs-library__head, .cs-roi__grid, .cs-faq__grid { grid-template-columns: 1fr; }
  .cs-library__head .cs-h2 { max-width: none; }
  .cs-stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-case__top { grid-template-columns: 1fr; gap: var(--vq-space-7); margin-bottom: var(--vq-space-8); }
  .cs-case__title { max-width: none; }
  .cs-roi__aside { position: static; }
  .cs-roi__panel { max-width: 640px; }
  .cs-faq__media { aspect-ratio: 16 / 9; max-width: 640px; }
  .cs-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-related__grid > li, .cs-related__grid > li:nth-child(-n+2) { grid-column: span 1; }
  .cs-related__grid > li:last-child { grid-column: 1 / -1; }
  .cs-related__grid > li:nth-child(-n+2) .cs-related__media { aspect-ratio: 16 / 9; }
  .cs-related__grid > li:last-child .cs-related__media { aspect-ratio: 21 / 9; }
}

@media (max-width: 820px) {
  .cs-summary__card { background: transparent; border: 0; border-radius: 0; box-shadow: none; overflow: visible; }
  .cs-summary__table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .cs-summary__table, .cs-summary__table tbody, .cs-summary__table tr, .cs-summary__table th, .cs-summary__table td { display: block; width: 100%; }
  .cs-summary__table tbody tr { margin-bottom: var(--vq-space-4); background: #fff; border: 1px solid var(--vq-color-border); border-radius: var(--vq-radius-lg); overflow: hidden; box-shadow: var(--vq-shadow-sm); }
  .cs-summary__table tbody tr:hover { background: #fff; }
  .cs-summary__table tbody th { padding: var(--vq-space-4) var(--vq-space-5); border-top: 0; background: var(--vq-color-bg-mute); }
  .cs-summary__table tbody td { display: grid; grid-template-columns: minmax(0, 40%) minmax(0, 1fr); gap: var(--vq-space-3); align-items: center; padding: var(--vq-space-3) var(--vq-space-5); }
  .cs-summary__table tbody td::before { content: attr(data-label); font-family: var(--vq-font-display); font-size: var(--vq-text-xs); font-weight: var(--vq-weight-semibold); letter-spacing: 0.08em; text-transform: uppercase; color: var(--vq-color-subtle); }
  .cs-summary__time { justify-self: start; }
}

@media (max-width: 760px) {
  .cs-mobilebar { display: block; position: fixed; left: var(--vq-space-3); right: var(--vq-space-3); bottom: var(--vq-space-3); z-index: var(--vq-z-sticky); transform: translateY(calc(100% + 24px)); transition: transform var(--vq-duration-lg) var(--vq-ease); }
  .cs-mobilebar.is-visible { transform: translateY(0); }
  .cs-mobilebar__btn { width: 100%; box-shadow: 0 16px 40px rgba(0, 78, 235, 0.35); }
}

@media (max-width: 640px) {
  .cs-hero__actions .btn { width: 100%; }
  .cs-deck__stage { padding: 40px 36px 0 0; }
  .cs-deck__card[data-pos="1"] { transform: translate3d(14px, -14px, 0) rotate(2deg) scale(0.97); }
  .cs-deck__card[data-pos="2"] { transform: translate3d(26px, -26px, 0) rotate(4deg) scale(0.94); }
  .cs-deck__card[data-pos="3"] { transform: translate3d(36px, -36px, 0) rotate(6deg) scale(0.91); }
  .cs-deck__controls { padding-right: 36px; }
  .cs-stats__grid { grid-template-columns: 1fr; }
  .cs-stat { min-height: 0; }
  .cs-metric__card { padding: var(--vq-space-5) var(--vq-space-4); }
  .cs-metric__card::before { left: var(--vq-space-4); }
  .cs-metric__kicker { padding-inline: var(--vq-space-2); }
  .cs-metric__item { grid-template-columns: 40px minmax(0, 1fr); gap: var(--vq-space-3); padding: var(--vq-space-3) var(--vq-space-2); }
  .cs-metric__num { width: 40px; height: 40px; }
  .cs-tab { min-width: 200px; }
  .cs-cases { margin-top: var(--vq-space-7); }
  .cs-case__media { aspect-ratio: 4 / 3; }
  .cs-ba__toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-bottom: var(--vq-space-3); padding: 4px; border-radius: var(--vq-radius-full); background: var(--vq-color-bg-mute); border: 1px solid var(--vq-color-border); }
  .cs-ba__toggle-btn { padding: 0.65em 0.5em; border-radius: var(--vq-radius-full); font-family: var(--vq-font-display); font-size: var(--vq-text-sm); font-weight: var(--vq-weight-semibold); color: var(--vq-color-muted); transition: background var(--vq-duration) var(--vq-ease), color var(--vq-duration) var(--vq-ease); }
  .cs-ba__toggle-btn[aria-pressed="true"] { background: var(--vq-color-secondary); color: #fff; }
  .cs-ba[data-show="after"] .cs-ba__th--before, .cs-ba[data-show="after"] .cs-ba__before,
  .cs-ba[data-show="before"] .cs-ba__th--after, .cs-ba[data-show="before"] .cs-ba__after { display: none; }
  .cs-ba__table thead tr > :nth-child(1) { width: 40%; }
  .cs-ba__table th, .cs-ba__table td { padding: var(--vq-space-3) var(--vq-space-4); }
  .cs-steps { grid-template-columns: 1fr; gap: var(--vq-space-4); }
  .cs-takeaway { grid-template-columns: 1fr; gap: var(--vq-space-4); }
  .cs-case__foot { flex-direction: column; align-items: flex-start; }
  .cs-case__pager { width: 100%; justify-content: space-between; }
  .cs-summary__note { gap: var(--vq-space-4); }
  .cs-related__grid { grid-template-columns: 1fr; }
  .cs-related__grid > li:last-child { grid-column: auto; }
  .cs-related__grid > li:last-child .cs-related__media { aspect-ratio: 16 / 9; }
  .cs-faq__q { padding: var(--vq-space-4) var(--vq-space-5); font-size: var(--vq-text-base); }
  .cs-faq__a p { padding: 0 var(--vq-space-5) var(--vq-space-5); }
}

@media (prefers-reduced-motion: reduce) {
  .cs-js .cs-reveal { opacity: 1; transform: none; }
  .cs-cta__ring { display: none; }
  .cs-tabs.is-ready .cs-case.is-active { animation: none; }
}