/* ============================================================
   casos.css — plantilla de página de caso (/casos/<slug>)
   Usa los tokens de design-system/colors_and_type.css.
   Reglas de marca: Inter display 400 (tracking negativo),
   JetBrains Mono 500 en números, azul #1E50FA escaso,
   pill en CTAs, 24px en cards, hairline 1px, sentence case.
   ============================================================ */

.cs-page{
  margin:0;
  background:var(--color-canvas,#fff);
  color:var(--color-ink,#0A0B0D);
  font-family:var(--font-sans);
  -webkit-font-smoothing:antialiased;
}
.cs-container{
  width:100%;
  max-width:var(--container-max,1120px);
  margin-inline:auto;
  padding-inline:24px;
}

/* ---------- Nav ---------- */
.cs-nav{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid var(--color-hairline,#DEE1E6);
}
.cs-nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.cs-nav__logo{display:inline-flex;align-items:center}
.cs-nav__logo img{height:22px;width:auto;display:block}
.cs-nav__cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-pill,100px);
  background:var(--color-primary,#1E50FA);color:#fff;
  text-decoration:none;font-size:14px;font-weight:500;
  transition:box-shadow .2s ease,transform .2s ease;
}
.cs-nav__cta:hover{box-shadow:0 6px 18px rgba(30,80,250,.28);transform:translateY(-1px)}
.cs-nav__cta svg{width:14px;height:14px}

/* ---------- Hero ---------- */
.cs-hero{
  position:relative;overflow:hidden;
  background:#0A0B0D;color:#fff;
  padding:56px 0 64px;
}
.cs-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.16;filter:saturate(1.1);
}
.cs-hero__tint{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,13,.5),rgba(10,11,13,.86))}
.cs-hero__inner{position:relative}

.cs-breadcrumb{
  display:flex;gap:8px;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:28px;
}
.cs-breadcrumb a{color:rgba(255,255,255,.72);text-decoration:none}
.cs-breadcrumb a:hover{color:#fff}
.cs-breadcrumb span[aria-hidden]{opacity:.5}

.cs-hero__brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.cs-hero__logo{height:30px;width:auto;display:block;filter:brightness(0) invert(1);opacity:.92;max-width:150px;object-fit:contain}
.cs-hero__badge{
  font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.06em;
  text-transform:uppercase;color:rgba(255,255,255,.7);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-pill,100px);
  padding:5px 12px;
}
.cs-hero__kicker{
  font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:#85B7EB;margin-bottom:14px;
}
.cs-hero__title{
  font-family:var(--font-display);font-weight:400;letter-spacing:-.025em;
  font-size:clamp(30px,5vw,52px);line-height:1.05;margin:0;max-width:16ch;
}

/* metric block */
.cs-metric{margin-top:36px;display:flex;flex-wrap:wrap;gap:40px 56px;align-items:flex-end}
.cs-metric__label{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:8px}
.cs-metric__headline{display:flex;align-items:baseline;gap:14px}
.cs-metric__num,.cs-metric__from,.cs-metric__to{
  font-family:var(--font-mono);font-weight:500;letter-spacing:-.02em;
}
.cs-metric__num{font-size:clamp(40px,7vw,64px);line-height:1}
.cs-metric__from{font-size:clamp(26px,4vw,38px);color:rgba(255,255,255,.5)}
.cs-metric__arrow{color:#85B7EB;font-size:clamp(22px,3vw,32px)}
.cs-metric__to{font-size:clamp(40px,7vw,64px);line-height:1}
.cs-submetrics{display:flex;gap:36px}
.cs-submetric__num{font-family:var(--font-mono);font-weight:500;font-size:26px;line-height:1}
.cs-submetric__label{font-size:12px;color:rgba(255,255,255,.55);margin-top:6px}

/* ---------- Body ---------- */
.cs-body{padding:64px 0 8px}
.cs-grid{display:grid;grid-template-columns:1fr;gap:48px}
@media(min-width:860px){.cs-grid{grid-template-columns:1.7fr .9fr;gap:64px}}

.cs-prose h2{
  font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;
  font-size:22px;margin:0 0 14px;
}
.cs-prose h2:not(:first-child){margin-top:40px}
.cs-prose h3{
  font-family:var(--font-sans);font-weight:600;letter-spacing:-.01em;
  font-size:16px;margin:28px 0 8px;color:var(--color-ink,#0A0B0D);
}
.cs-prose p{font-size:17px;line-height:1.65;color:var(--color-body-strong,#33373d);margin:0 0 16px}
.cs-prose p strong{font-weight:600;color:var(--color-ink,#0A0B0D)}
.cs-prose ul,.cs-prose ol{margin:0 0 16px;padding-left:0;list-style:none}
.cs-prose ul li,.cs-prose ol li{
  position:relative;font-size:17px;line-height:1.6;
  color:var(--color-body-strong,#33373d);padding-left:26px;margin:0 0 10px;
}
.cs-prose ul li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--color-primary,#1E50FA);
}
.cs-prose ol{counter-reset:cs-step}
.cs-prose ol li{counter-increment:cs-step;padding-left:34px}
.cs-prose ol li::before{
  content:counter(cs-step);position:absolute;left:0;top:1px;
  font-family:var(--font-mono);font-weight:500;font-size:12px;
  width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--color-primary,#1E50FA);border:1px solid var(--color-primary,#1E50FA);
}

/* stack / glosario — herramienta : para qué */
.cs-stack{margin:0 0 8px;padding:0}
.cs-stack div{
  display:grid;grid-template-columns:minmax(120px,180px) 1fr;gap:8px 20px;
  padding:14px 0;border-bottom:1px solid var(--color-hairline-soft,#EEF0F3);
}
.cs-stack div:first-child{border-top:1px solid var(--color-hairline-soft,#EEF0F3)}
.cs-stack dt{font-family:var(--font-mono);font-weight:500;font-size:14px;color:var(--color-ink,#0A0B0D);margin:0}
.cs-stack dd{font-size:15px;line-height:1.55;color:var(--color-body-strong,#33373d);margin:0}
@media(max-width:600px){.cs-stack div{grid-template-columns:1fr;gap:4px}}

/* FAQ */
.cs-faq{margin:0}
.cs-faq details{border-bottom:1px solid var(--color-hairline,#DEE1E6);padding:0}
.cs-faq summary{
  list-style:none;cursor:pointer;padding:18px 0;
  font-size:16px;font-weight:600;color:var(--color-ink,#0A0B0D);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.cs-faq summary::-webkit-details-marker{display:none}
.cs-faq summary::after{
  content:"+";font-family:var(--font-mono);font-weight:500;font-size:20px;
  color:var(--color-muted,#6b7078);transition:transform .2s ease;
}
.cs-faq details[open] summary::after{content:"–"}
.cs-faq details p{font-size:16px;line-height:1.6;color:var(--color-body-strong,#33373d);margin:0 0 18px}

/* dark highlight — método / flujo (usa el dark propio de eqapla-web) */
.cs-dark{
  position:relative;overflow:hidden;isolation:isolate;
  background:#0A0B0D;color:#fff;border-radius:var(--radius-lg,24px);
  padding:30px 32px;margin:36px 0;
}
/* glow que sigue el cursor — mismo patrón que el hero (--mx/--my) */
.cs-dark::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(440px circle at var(--mx,50%) var(--my,50%), rgba(30,80,250,.38), transparent 60%);
  opacity:0;transition:opacity .35s ease;
}
.cs-dark.is-glow::before{opacity:1}
.cs-dark > *{position:relative;z-index:1}
.cs-dark__kicker{
  font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:#85B7EB;margin:0 0 12px;
}
.cs-dark__title{
  font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;
  font-size:21px;line-height:1.2;color:#fff;margin:0;
}
.cs-dark .cs-flow{list-style:none;margin:14px 0 0;padding:0;counter-reset:none}
.cs-dark .cs-flow li{
  display:flex;gap:18px;align-items:flex-start;padding:16px 0;margin:0;
  counter-increment:none;border-top:1px solid rgba(255,255,255,.1);
}
.cs-dark .cs-flow li::before{content:none;display:none}
.cs-flow__n{
  font-family:var(--font-mono);font-weight:500;font-size:13px;color:#85B7EB;
  flex:none;padding-top:2px;min-width:20px;
}
.cs-flow__body{display:flex;flex-direction:column;gap:3px}
.cs-flow__body strong{font-size:15px;font-weight:600;color:#fff}
.cs-flow__body p{font-size:14px;line-height:1.5;color:rgba(255,255,255,.62);margin:0}
.cs-flow__tool{
  font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.02em;
  color:#9db8de;margin-top:4px;
}

/* tool chip — enlazado + logo (SEO: outbound a la herramienta) */
.cs-tools{display:flex;flex-wrap:wrap;gap:7px;margin-top:6px}
.cs-tool{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px 5px 8px;border-radius:var(--radius-pill,100px);
  border:1px solid var(--color-hairline,#DEE1E6);background:#fff;
  font-family:var(--font-mono);font-weight:500;font-size:12px;line-height:1;
  color:var(--color-ink,#0A0B0D);text-decoration:none;
  transition:border-color .18s ease,transform .18s ease;
}
.cs-tool:hover{border-color:var(--color-primary,#1E50FA);transform:translateY(-1px)}
.cs-tool img{width:15px;height:15px;object-fit:contain;display:block}
.cs-tool--nologo{padding-left:12px}
/* variante sobre dark — logos B&W se invierten a blanco */
.cs-dark .cs-tool{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#e8eaed}
.cs-dark .cs-tool:hover{border-color:#85B7EB;transform:translateY(-1px)}
.cs-dark .cs-tool img{filter:invert(1)}

/* hub — header de página (breadcrumb + h1 + intro) */
.lp-cs.cs-hub{padding-top:52px}
@media(max-width:720px){.lp-cs.cs-hub{padding-top:36px}}
.cs-hub__head{max-width:780px;margin-bottom:52px}
.cs-hub__title{margin:16px 0 18px}
.cs-hub__intro{max-width:60ch;margin:0;text-align:left;color:var(--color-muted,#6b7078)}
.cs-breadcrumb--light{color:var(--color-muted,#6b7078);margin-bottom:0}
.cs-breadcrumb--light a{color:var(--color-muted,#6b7078)}
.cs-breadcrumb--light a:hover{color:var(--color-primary,#1E50FA)}

/* hub — banda "cómo trabajamos / stack" */
.cs-work{padding:60px 0 8px;border-top:1px solid var(--color-hairline-soft,#EEF0F3)}
.cs-work__title{
  font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;
  font-size:clamp(22px,3vw,30px);line-height:1.15;margin:8px 0 10px;max-width:22ch;
}
.cs-work__intro{font-size:16px;line-height:1.6;color:var(--color-body-strong,#33373d);max-width:58ch;margin:0 0 28px}
.cs-work__methods{max-width:760px}
.cs-work__stack-label{margin-top:36px}
.cs-work__tools{margin-top:14px;max-width:860px}

/* sidebar */
.cs-side{align-self:start}
@media(min-width:860px){.cs-side{position:sticky;top:88px}}
.cs-card{
  border:1px solid var(--color-hairline,#DEE1E6);border-radius:var(--radius-lg,24px);
  padding:26px;background:var(--color-surface-soft,#F7F7F7);
}
.cs-card + .cs-card{margin-top:16px}
.cs-side__label{
  font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--color-muted,#6b7078);margin-bottom:12px;
}
.cs-meta-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--color-hairline-soft,#EEF0F3)}
.cs-meta-row:last-child{border-bottom:0}
.cs-meta-row dt{font-size:14px;color:var(--color-muted,#6b7078);margin:0}
.cs-meta-row dd{font-size:14px;color:var(--color-ink,#0A0B0D);margin:0;text-align:right;font-weight:500}
.cs-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.cs-chips li{
  font-size:13px;color:var(--color-body-strong,#33373d);
  border:1px solid var(--color-hairline,#DEE1E6);border-radius:var(--radius-pill,100px);
  padding:6px 12px;background:#fff;
}
.cs-chips--tools li{border:0;padding:0;background:none}
.cs-team{font-size:14px;line-height:1.6;color:var(--color-body-strong,#33373d)}

/* ---------- CTA band ---------- */
.cs-cta{margin-top:64px;background:#0A0B0D;color:#fff}
.cs-cta__inner{padding:64px 0;text-align:center}
.cs-cta__title{
  font-family:var(--font-display);font-weight:400;letter-spacing:-.025em;
  font-size:clamp(26px,4vw,40px);line-height:1.1;margin:0 auto 14px;max-width:20ch;
}
.cs-cta__sub{color:rgba(255,255,255,.66);font-size:16px;margin:0 auto 28px;max-width:46ch}
.cs-cta__btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 30px;border-radius:var(--radius-pill,100px);
  background:var(--color-primary,#1E50FA);color:#fff;text-decoration:none;
  font-size:16px;font-weight:500;transition:box-shadow .2s ease,transform .2s ease;
}
.cs-cta__btn:hover{box-shadow:0 8px 24px rgba(30,80,250,.35);transform:translateY(-1px)}
.cs-cta__btn svg{width:16px;height:16px}

/* ---------- back link ---------- */
.cs-back{display:inline-flex;align-items:center;gap:8px;margin-top:40px;
  font-size:14px;color:var(--color-primary,#1E50FA);text-decoration:none}
.cs-back:hover{text-decoration:underline}
.cs-back svg{width:15px;height:15px}