/* ─────────────────────────────────────────────────────────────
   TicTAP · Casos de éxito — production CSS
   Mobile-first. Breakpoints: 480 · 768 · 1024 · 1280
   Marca: Varela Round (display) + Lato (texto) · #00B0FF acento
   ───────────────────────────────────────────────────────────── */

/* ── Reset outline ─────────────────────────────────────────── */
*:focus { outline: none; }
*:focus-visible { outline: 2px solid #00b0ff; outline-offset: 2px; }

/* ── Tokens ────────────────────────────────────────────────── */
:root {
  /* Color — neutros */
  --c-paper:        #ffffff;
  --c-paper-soft:   #FAFAFA;
  --c-paper-alt:    #F2F2F2;
  --c-ink:          #2a2a2a;
  --c-ink-2:        #484848;
  --c-ink-3:        #737373;
  --c-ink-4:        #A5A19D;
  --c-line:         #D9D9D9;
  --c-line-soft:    #EDEDED;

  /* Color — marca */
  --c-brand:        #00B0FF;
  --c-brand-dark:   #0096d9;
  --c-brand-soft:   #D9F3FF;

  /* Tipografía */
  --f-display: 'Varela Round', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --f-body:    'Lato', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Forma */
  --radius: 20px;

  /* Espaciado */
  --pad-x: clamp(20px, 5vw, 56px);
  --pad-y-sm: clamp(32px, 6vw, 48px);
  --pad-y-md: clamp(48px, 7vw, 72px);
  --pad-y-lg: clamp(56px, 8vw, 96px);

  /* Tamaños de texto fluidos */
  --fs-display-1: clamp(34px, 5vw, 56px);   /* hero h1 listado */
  --fs-display-2: clamp(30px, 4.5vw, 52px); /* hero h1 detalle */
  --fs-display-3: clamp(26px, 3.4vw, 42px); /* h2 secciones */
  --fs-display-4: clamp(22px, 2.4vw, 32px); /* h3 */
  --fs-display-5: clamp(20px, 2.1vw, 28px); /* h4 */
  --fs-lead:      clamp(16px, 1.4vw, 19px);
  --fs-body:      15px;
  --fs-small:     13px;
  --fs-eyebrow:   11px;
}

/* ── Reset ligero — scoped a #content para no romper header/footer ── */
#content *, #content *::before, #content *::after { box-sizing: border-box; }
#content img, #content svg { max-width: 100%; height: auto; display: block; }
#content p { margin: 0; }
#content a { color: inherit; text-decoration: none; }
#content button { font-family: inherit; cursor: pointer; }
#content ul { margin: 0; padding: 0; list-style: none; }
#content figure { margin: 0; }
#content blockquote { margin: 0; }

/* ── Tipografía ────────────────────────────────────────────── */
.t-display {
  font-family: var(--f-display);
  letter-spacing: -0.01em;
  font-weight: 400;
  color: var(--c-ink);
  line-height: 1.15;
  margin: 0;
}
.t-h1 { font-size: var(--fs-display-1); line-height: 1.1; }
.t-h2 { font-size: var(--fs-display-2); line-height: 1.1; }
.t-h3 { font-size: var(--fs-display-3); }
.t-h4 { font-size: var(--fs-display-4); }
.t-h5 { font-size: var(--fs-display-5); }

.t-lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--c-ink-2);
}

.t-eyebrow {
  font-family: var(--f-body);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--c-ink-3);
  margin: 0;
}
.t-eyebrow--brand { color: var(--c-brand); }

.t-muted { color: var(--c-ink-3); }
.t-brand { color: var(--c-brand); }

/* ── Layout: section + container ───────────────────────────── */
.section {
  padding: var(--pad-y-md) var(--pad-x);
}
.section--soft  { background: var(--c-paper-soft); }
.section--alt   { background: var(--c-paper-alt); }
.section--dark  { background: #00b0ff; color: #fff; }
.section--top   { border-top:    1px solid var(--c-line); }
.section--bot   { border-bottom: 1px solid var(--c-line); }
.section--top-soft  { border-top:    1px solid var(--c-line-soft); }
.section--bot-soft  { border-bottom: 1px solid var(--c-line-soft); }

.container {
  max-width: 1140px;
  margin-inline: auto;
}
.container--narrow { max-width: 900px; }
.container--text   { max-width: 720px; }

.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 1.5rem; }

/* ── Componente: Tag (píldora) ─────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  background: var(--c-paper-alt);
  color: var(--c-ink-2);
}
.tag--blue    { background: var(--c-brand-soft); color: var(--c-brand-dark); }
.tag--outline { background: transparent; border: 1px solid var(--c-line); color: var(--c-ink-2); }

/* ── Tabla ──────────────────────────────────────────────────── */
table { border: none; }

/* ── Componente: Botón ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 27px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 700;
  background: var(--c-brand);
  color: #fff;
  border: solid 2px #00b0ff;
  transition: background .3s ease, color .3s ease, transform .3s ease;
}
.btn:hover {
  background: #fff;
  color: #00b0ff !important;
  transform: scale(0.9);
}
.section--dark .btn {
  border: 2px solid #fff;
}
.section--dark .btn--ghost-light {
  background: #fff;
  color: #00b0ff !important;
}
.btn--ghost {
  background: #fff;
  color: #00b0ff !important;
  border: solid 2px #00b0ff;
  transition: background .3s ease, color .3s ease, transform .3s ease;
}
.btn--ghost:hover {
  background: #00b0ff;
  color: #fff !important;
  transform: scale(0.9);
}
.btn--ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.6);
}
.btn--ghost-light:hover {
  background: #00b0ff;
  color: #fff !important;
  transform: scale(0.9);
}

/* ── Componente: Link de acción ────────────────────────────── */
.link-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-brand);
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2px;
}
.link-action:hover { color: var(--c-brand-dark); }

/* ── Componente: Image placeholder (sustituir por <img>) ────
   Estructura sugerida:
   <figure class="placeholder" style="--ph-h: 420px">
     <span class="placeholder__label">foto · descripción</span>
   </figure>
   En producción reemplazar por <img> con misma border-radius
   ─────────────────────────────────────────────────────────── */
.placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--ph-h, 240px);
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--c-ink-3);
}
.placeholder::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, #E5E2DC 0 1px, transparent 1px 14px);
}
.placeholder__label {
  position: relative;
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  background: var(--c-paper-alt);
  color: var(--c-ink-3);
}
.placeholder--dark { background: var(--c-ink); color: rgba(255,255,255,.55); }
.placeholder--dark::before { background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 1px, transparent 1px 14px); }
.placeholder--dark .placeholder__label { background: var(--c-ink); color: rgba(255,255,255,.55); }

/* Cuando el dev sustituye por <img>: */
img.placeholder, .placeholder img {
  object-fit: cover;
}
.case .placeholder img {
  object-fit: contain;
  width: 100%;
  height: 100%;
}
.placeholder:has(img)::before {
  display: none;
}

/* ── Card genérica (caja flotante con borde) ───────────────── */
.card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.card--alt  { background: var(--c-paper-alt); }
.card--soft { background: var(--c-paper-soft); }

/* ── Eyebrow + heading combo ───────────────────────────────── */
.section-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}
.section-head .t-eyebrow + * { margin-top: 10px; }


/* ═══════════════════════════════════════════════════════════
   LISTADO (D) — específicos
   ═══════════════════════════════════════════════════════════ */

.l-masthead {
  text-align: center;
}
.l-masthead h1 em {
  color: var(--c-brand);
  font-style: normal;
}
.l-masthead .t-lead {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Featured case hero */
.l-featured {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  align-items: center;
}
.l-featured__media { position: relative; }
.l-featured__media .tag-float {
  position: absolute;
  top: 20px; left: 20px;
  background: #00b0ff;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  text-transform: uppercase;
}
.l-featured__title { margin: 14px 0 24px; }
.l-featured__lead  { margin-bottom: 28px; }

/* Carrusel de casos destacados */
.featured-carousel {
  overflow: hidden;
  position: relative;
}
.featured-carousel__track {
  display: flex;
}
.featured-carousel__slide {
  flex-shrink: 0;
}
@media (prefers-reduced-motion: reduce) {
  .featured-carousel__track { transition: none !important; }
}

/* Nav buttons — 20 px outside the 1140 px container (570 + 20 + 22 = 612) */
.featured-carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  z-index: 10;
  color: #c8c8c8;
  transition: color 0.2s;
}
.featured-carousel__btn:focus { outline: none; }
.featured-carousel__btn:focus-visible { outline: 2px solid #00b0ff; outline-offset: 2px; }
.featured-carousel__btn:hover { color: #ffffff; }
.featured-carousel__btn:hover .featured-carousel__btn-icon {
  background: #00b0ff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.featured-carousel__btn:hover svg path { fill: #ffffff; }
.featured-carousel__btn--prev {
  left: max(8px, calc(50% - 612px));
  transform: translateY(-50%) rotate(180deg);
}
.featured-carousel__btn--next { right: max(8px, calc(50% - 612px)); }
.featured-carousel__btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transition: background 0.25s, box-shadow 0.25s;
}
.featured-carousel__btn-icon svg {
  width: 22px;
  height: 20px;
  display: block;
}
.featured-carousel__btn-icon svg path {
  transition: fill 0.25s;
}

/* Metric callout (en featured) */
.metric-callout {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 24px;
  background: var(--c-paper-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--c-brand);
  margin-bottom: 28px;
}
.metric-callout__n {
  font-family: var(--f-display);
  font-size: clamp(40px, 4vw, 54px);
  line-height: 0.9;
  color: var(--c-brand);
}
.metric-callout__u {
  font-size: 15px;
  color: var(--c-ink-2);
  line-height: 1.3;
}

/* Section title row (Más historias + filtros) */
.l-cases-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: clamp(24px, 4vw, 40px);
}
.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tabs__item {
  padding: 8px 14px;
  font-family: var(--f-body);
  font-size: 14px;
  border-radius: 999px;
  color: var(--c-ink-2);
}
.tabs__item--active,
.tabs__item--active:hover,
.tabs__item--active:focus {
  background: #00b0ff;
  color: #ffffff !important;
  font-weight: 700;
}

/* Case grid */
.l-cases {
  display: grid;
  gap: clamp(32px, 4vw, 48px);
}
.case {
  display: flex;
  flex-direction: column;
  position: relative;
}
.case .link-action {
  margin-top: auto;
  padding-top: 12px;
}
.case .link-action::after {
  content: '';
  position: absolute;
  inset: 0;
}
.case__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.case__client {
  font-size: 12px;
  color: var(--c-ink-3);
}
.case__title {
  margin: 0 0 16px;
}
.case__quote {
  font-size: 15px;
  color: var(--c-ink-2);
  font-style: italic;
  padding-left: 14px;
  border-left: 2px solid var(--c-line);
  line-height: 1.5;
  margin: 0 0 16px;
}
.case__body { padding-top: 20px; }

/* CTA strip (listado bottom) */
.cta-strip {
  display: grid;
  gap: 24px;
  align-items: center;
}
.cta-strip__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}


/* ═══════════════════════════════════════════════════════════
   DETALLE (B) — específicos
   ═══════════════════════════════════════════════════════════ */

/* Breadcrumb */
.breadcrumb {
  padding: 20px var(--pad-x);
  font-size: 13px;
  color: var(--c-ink-3);
  border-bottom: 1px solid var(--c-line-soft);
}
.breadcrumb__inner {
  max-width: 1140px;
  margin-inline: auto;
}
.breadcrumb__sep {
  margin: 0 8px;
  color: var(--c-ink-4);
}
.breadcrumb__current {
  color: var(--c-ink);
  font-weight: 700;
}

/* Hero detalle */
.d-hero {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  align-items: center;
}
.d-hero__tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.d-hero__title { margin: 0 0 24px; }
.d-hero__lead {
  margin-bottom: 32px;
  max-width: 620px;
}
.d-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line-soft);
}
.d-hero__meta .placeholder {
  width: 140px;
  --ph-h: 48px;
  flex-shrink: 0;
}
.d-hero__data {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.d-hero__data dt {
  font-family: var(--f-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--c-ink-3);
}
.d-hero__data dd {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink);
}

/* Chapter (01 · 02 · 03) */
.chapter { padding: var(--pad-y-md) var(--pad-x); border-top: 1px solid var(--c-line); }
.chapter--highlight { background: var(--c-paper-soft); }
.chapter__inner { max-width: 1140px; margin-inline: auto; }

.chapter__head {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: clamp(24px, 4vw, 40px);
}
.chapter__num {
  font-family: var(--f-display);
  font-size: clamp(56px, 8vw, 88px);
  line-height: 0.85;
  color: var(--c-ink);
  flex-shrink: 0;
}
.chapter--highlight .chapter__num,
.chapter--highlight .t-eyebrow { color: var(--c-brand); }

.chapter__title { margin: 8px 0 0; line-height: 1.2; }

.chapter__body {
  display: grid;
  gap: clamp(32px, 4vw, 48px);
  align-items: start;
}

.chapter__text p { margin: 0 0 18px; font-size: 17px; line-height: 1.65; color: var(--c-ink-2); }
.chapter__text p:last-child { margin-bottom: 0; }

/* Before-TicTAP box */
.checklist {
  padding: 24px;
  background: var(--c-paper-alt);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}
.checklist ul { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--c-ink-2);
  line-height: 1.5;
}
.checklist li::before {
  content: "";
  flex-shrink: 0;
  margin-top: 7px;
  width: 8px; height: 8px;
  background: var(--c-ink-3);
  border-radius: 50%;
}

/* Feature list (Cap 02) */
.features {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.feature:last-child { border-bottom: none; }
.feature__num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--c-brand-soft);
  color: var(--c-brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
}
.feature__title {
  font-family: var(--f-display);
  font-size: 17px;
  color: var(--c-ink);
  margin: 0 0 4px;
}
.feature__desc {
  font-size: 14px;
  color: var(--c-ink-3);
  line-height: 1.5;
}

/* Metric cards (Cap 03) */
.metrics {
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}
.metric {
  padding: 32px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}
.metric__n {
  font-family: var(--f-display);
  font-size: clamp(44px, 5vw, 64px);
  line-height: 0.95;
  color: var(--c-ink);
  margin-bottom: 12px;
}
.metric__n.t-brand {
  text-align: center;
  color: #00b0ff;
  margin-bottom: 20px !important;
}
.metric__u {
  font-size: 15px;
  color: var(--c-ink-2);
  line-height: 1.4;
  text-align: center;
}
.section--alt.section--top.section--bot .metric__u {
  text-align: left;
}
.section--alt.section--top.section--bot {
  background: #e8f4ff;
}
.section--alt.section--top.section--bot .t-display.t-h3 {
  color: #00b0ff;
}
.section--alt.section--top.section--bot .checklist {
  background: #fff;
}

/* Pull quote */
.pullquote {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.pullquote::before {
  content: "“";
  position: absolute;
  top: -32px; left: -8px;
  font-family: var(--f-display);
  font-size: 96px;
  color: var(--c-brand);
  line-height: 1;
  opacity: 0.5;
}
.pullquote__text {
  margin: 0;
  padding-left: 32px;
  font-family: var(--f-display);
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.35;
  color: var(--c-ink);
}
.pullquote__cite {
  margin-top: 20px;
  padding-left: 32px;
  font-size: 14px;
  color: var(--c-ink-3);
  display: flex;
  align-items: center;
  gap: 12px;
  font-style: normal;
}
.pullquote__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--c-paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--c-ink-4);
  flex-shrink: 0;
}
.pullquote__name {
  display: block;
  color: var(--c-ink);
  font-weight: 700;
  margin-bottom: 2px;
}

/* CTA central */
.cta {
  text-align: center;
}
.cta__title { margin: 0 auto 14px; max-width: 700px; }
.cta__lead {
  font-size: 17px;
  color: rgba(255,255,255,.7);
  max-width: 580px;
  margin: 0 auto 32px;
  line-height: 1.5;
}
.section--dark .cta .cta__lead {
  max-width: 100%;
  margin-top: 20px !important;
  margin-bottom: 20px !important;
  color: #fff;
}
.cta__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Más casos */
.more-cases {
  display: grid;
  gap: 24px;
}
.more-case .placeholder { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.more-case__body { padding: 20px; }
.more-case__title {
  font-family: var(--f-display);
  font-size: 18px;
  color: var(--c-ink);
  margin: 12px 0 0;
  line-height: 1.3;
}
.more-case__client {
  margin-top: 14px;
  font-size: 13px;
  color: var(--c-ink-3);
}


/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — breakpoints: 480 · 768 · 1024 · 1280
   Mobile-first: por defecto = móvil grande (≥480)
   ═══════════════════════════════════════════════════════════ */

/* Tablet (≥ 768px) */
@media (min-width: 768px) {
  .l-cases     { grid-template-columns: 1fr; }
  .metrics     { grid-template-columns: repeat(2, 1fr); }
  .more-cases  { grid-template-columns: repeat(2, 1fr); }
  .d-hero__meta { flex-wrap: nowrap; }
}

/* Laptop (≥ 1024px) — aquí ya hay sitio para los layouts 2-col */
@media (min-width: 1024px) {
  .l-featured    { grid-template-columns: 1.25fr 1fr; }
  .l-cases       { grid-template-columns: repeat(2, 1fr); }
  .more-cases    { grid-template-columns: repeat(3, 1fr); }
  .metrics       { grid-template-columns: repeat(3, 1fr); }
  .cta-strip     { grid-template-columns: 1.4fr 1fr; }
  .cta-strip__actions { justify-content: flex-end; }
  .d-hero        { grid-template-columns: 1.4fr 1fr; }
  .chapter--cap1 .chapter__body { grid-template-columns: 1.2fr 1fr; }
  .chapter--cap2 .chapter__body { grid-template-columns: 1fr 1.2fr; }
}

/* Desktop (≥ 1280px) — más respiro lateral */
@media (min-width: 1280px) {
  :root { --pad-x: 56px; }
}