/**
 * Núcleo Digital — Laboratorio
 * Estilos para Home y páginas de arquitectura (qué es, líneas, programas, etc.)
 * Requiere: tokens.css + styles.css + navbar.css
 */

/* ── Barra superior (topbar) ── */
.lab-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: calc(var(--nd-z-header) + 1);
  background: var(--nd-ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  line-height: 1.4;
}

.lab-topbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem clamp(1.25rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lab-topbar__claim {
  margin: 0;
  font-weight: 500;
}

.lab-topbar__links {
  display: flex;
  gap: 1.25rem;
  flex-shrink: 0;
}

.lab-topbar__links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s;
}

.lab-topbar__links a:hover { color: var(--color-accent); }

/* Empuja el header fijo bajo la topbar */
body.has-topbar { padding-top: calc(var(--navbar-height) + 34px); }
body.has-topbar .main-header { top: 34px; }
body.has-topbar .mobile-nav { top: calc(var(--nd-header-h) + 34px); }

@media (max-width: 820px) {
  .lab-topbar__claim { display: none; }
  .lab-topbar__inner { justify-content: center; }
}

/* ── Hero full-bleed (laboratorio) ── */
.lab-hero {
  position: relative;
  min-height: calc(100vh - var(--navbar-height));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #041736;
  color: #fff;
}

.lab-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.lab-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.lab-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(2, 11, 26, 0.92) 0%, rgba(4, 23, 54, 0.78) 42%, rgba(4, 23, 54, 0.35) 70%, rgba(4, 23, 54, 0.55) 100%),
    linear-gradient(to top, rgba(2, 11, 26, 0.75) 0%, transparent 45%);
  z-index: 1;
}

.lab-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(3.5rem, 10vw, 6.5rem) clamp(1.25rem, 5vw, 3rem) clamp(3rem, 8vw, 5rem);
}

.lab-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
  animation: labFadeUp 0.7s ease both;
}

.lab-hero__brand span {
  display: block;
  color: var(--color-accent);
}

.lab-hero__headline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  font-weight: 700;
  line-height: 1.3;
  max-width: 34rem;
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.95);
  animation: labFadeUp 0.7s 0.08s ease both;
}

.lab-hero__sub {
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  max-width: 36rem;
  margin: 0 0 1.75rem;
  animation: labFadeUp 0.7s 0.16s ease both;
}

.lab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: labFadeUp 0.7s 0.24s ease both;
}

.lab-hero__corp {
  margin: 0.95rem 0 0;
  animation: labFadeUp 0.7s 0.28s ease both;
}

.lab-hero__corp a {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(220, 253, 139, 0.55);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.lab-hero__corp a:hover {
  color: var(--color-lime);
  border-color: var(--color-lime);
}

.lab-hero__firm {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 32rem;
  line-height: 1.5;
  animation: labFadeUp 0.7s 0.3s ease both;
}

.lab-hero__firm strong {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
}

@keyframes labFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Rutas por audiencia ── */
.lab-routes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.lab-route {
  display: block;
  padding: 1.35rem 1.25rem;
  text-decoration: none;
  color: inherit;
  border-right: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
  min-height: 100%;
}

.lab-route:last-child { border-right: none; }

.lab-route:hover {
  background: var(--bg-surface);
}

.lab-route__label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.4rem;
}

.lab-route__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.35rem;
}

.lab-route__desc {
  font-size: 0.84rem;
  color: var(--text-500);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .lab-routes { grid-template-columns: 1fr 1fr; }
  .lab-route:nth-child(2) { border-right: none; }
  .lab-route:nth-child(1),
  .lab-route:nth-child(2) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 520px) {
  .lab-routes { grid-template-columns: 1fr; }
  .lab-route { border-right: none; border-bottom: 1px solid var(--border); }
  .lab-route:last-child { border-bottom: none; }
}

/* ── Tres brazos / valor ── */
.lab-arms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem 2.5rem;
  margin-top: 3rem;
}

.lab-arm__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.lab-arm h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.55rem;
}

.lab-arm p {
  font-size: 0.92rem;
  color: var(--text-500);
  line-height: 1.65;
}

@media (max-width: 800px) {
  .lab-arms { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* ── Autoridad ── */
.lab-authority {
  background: var(--bg-navy);
  color: #fff;
  padding-block: clamp(3rem, 7vw, 4.5rem);
}

.lab-authority__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.lab-authority h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.lab-authority p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
  font-size: 0.98rem;
  margin-bottom: 1.25rem;
}

.lab-authority__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lab-authority__pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.8);
  border-radius: var(--r-sm);
}

.lab-authority__stats {
  display: grid;
  gap: 1rem;
}

.lab-authority__stat {
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.04);
}

.lab-authority__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: #fff;
}

.lab-authority__stat span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.45;
}

@media (max-width: 800px) {
  .lab-authority__grid { grid-template-columns: 1fr; }
}

/* ── Modelo Comprender · Decidir · Actuar ── */
.lab-model {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 3rem;
  counter-reset: labstep;
}
.lab-model--tres {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lab-model__step {
  padding: 1.5rem 1.25rem;
  border-top: 3px solid var(--color-primary);
  background: #fff;
  position: relative;
}

.lab-model__step + .lab-model__step {
  border-left: 1px solid var(--border);
}

.lab-model__step::before {
  counter-increment: labstep;
  content: "0" counter(labstep);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-teal);
  display: block;
  margin-bottom: 0.75rem;
}

.lab-model__step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.4rem;
}

.lab-model__step p {
  font-size: 0.85rem;
  color: var(--text-500);
  line-height: 1.55;
}

@media (max-width: 800px) {
  .lab-model { grid-template-columns: 1fr 1fr; }
  .lab-model--tres { grid-template-columns: 1fr; }
  .lab-model__step:nth-child(3) { border-left: none; }
  .lab-model__step:nth-child(n + 3) { border-top-color: var(--color-teal); }
  .lab-model--tres .lab-model__step + .lab-model__step { border-left: none; }
}

@media (max-width: 480px) {
  .lab-model { grid-template-columns: 1fr; }
  .lab-model__step + .lab-model__step { border-left: none; }
}

/* ── Oferta / audiencia ── */
.lab-offer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 3rem;
}

.lab-offer__item {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.lab-offer__item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.4rem;
}

.lab-offer__item p {
  font-size: 0.9rem;
  color: var(--text-500);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.lab-offer__item a {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.lab-offer__item a:hover { text-decoration: underline; }

.lab-offer__item--corp {
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1.5px solid rgba(0, 71, 255, 0.28);
  border-radius: var(--r-lg, 16px);
  background:
    linear-gradient(180deg, rgba(0, 71, 255, 0.04), rgba(255, 255, 255, 0.9));
  box-shadow: 0 8px 24px rgba(0, 71, 255, 0.06);
}

.lab-offer__item--corp .lab-offer__badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0, 71, 255, 0.08);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  margin-bottom: 0.55rem;
}

.lab-offer__item--corp h3 {
  color: var(--color-primary-dark, #0038cc);
}

.lab-offer__item--corp a {
  font-weight: 800;
}

@media (max-width: 700px) {
  .lab-offer { grid-template-columns: 1fr; }
}

/* ── Recursos destacados (lista, no collage) ── */
.lab-resources {
  display: grid;
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.lab-resource {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.lab-resource:hover { background: rgba(0, 71, 255, 0.03); }

.lab-resource__tag {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
}

.lab-resource__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 0.2rem;
}

.lab-resource__desc {
  display: block;
  font-size: 0.84rem;
  color: var(--text-500);
  line-height: 1.45;
}

.lab-resource__go {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .lab-resource {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .lab-resource__go { justify-self: start; }
}

/* ── CTA segmentado ── */
.lab-cta {
  background: linear-gradient(135deg, #041736 0%, #0a2a5c 55%, #0047ff 140%);
  padding-block: clamp(3.5rem, 8vw, 5.5rem);
  color: #fff;
}

.lab-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  max-width: 28rem;
}

.lab-cta > .container > p,
.lab-cta__lede {
  color: rgba(255, 255, 255, 0.7);
  max-width: 32rem;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.lab-cta__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.lab-cta__link {
  display: block;
  padding: 1.1rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--r-sm);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.lab-cta__link:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(6, 182, 212, 0.5);
  transform: translateY(-2px);
}

.lab-cta__link span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.25rem;
}

@media (max-width: 600px) {
  .lab-cta__grid { grid-template-columns: 1fr; }
}

/* ── Página interior (hero corto) ── */
.lab-page-hero {
  background:
    linear-gradient(135deg, rgba(2, 11, 26, 0.9), rgba(4, 23, 54, 0.85)),
    url("../images/laboratorio-vivo.png") center/cover no-repeat;
  color: #fff;
  padding: clamp(3.5rem, 9vw, 5.5rem) 0 clamp(2.5rem, 6vw, 3.5rem);
}

.lab-page-hero .eyebrow { color: var(--color-accent); }

.lab-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-bottom: 1rem;
}

.lab-page-hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 38rem;
  line-height: 1.7;
}

/* ── Bloques de contenido interior ── */
.lab-prose {
  max-width: 40rem;
}

.lab-prose p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-500);
  margin-bottom: 1.1rem;
}

.lab-prose p strong { color: var(--text-900); }

.lab-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

@media (max-width: 800px) {
  .lab-split { grid-template-columns: 1fr; }
}

.lab-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.lab-list li {
  padding-left: 1.25rem;
  border-left: 3px solid var(--color-primary);
  font-size: 0.95rem;
  color: var(--text-500);
  line-height: 1.55;
}

.lab-list li strong {
  display: block;
  color: var(--text-900);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

/* Formulario contacto segmentado */
.lab-form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

.lab-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-900);
}

.lab-form input,
.lab-form select,
.lab-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--text-900);
}

.lab-form textarea { min-height: 120px; resize: vertical; }

.lab-form input:focus,
.lab-form select:focus,
.lab-form textarea:focus {
  outline: 2px solid rgba(0, 71, 255, 0.35);
  border-color: var(--color-primary);
}

.lab-need-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

.lab-need {
  display: block;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  background: #fff;
}

.lab-need:hover {
  border-color: rgba(0, 71, 255, 0.35);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.lab-need strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.25rem;
}

.lab-need span {
  font-size: 0.82rem;
  color: var(--text-500);
  line-height: 1.45;
}

@media (max-width: 560px) {
  .lab-need-grid { grid-template-columns: 1fr; }
}

/* ── Tres formas de trabajar (bloques asimétricos) ── */
.lab-work {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.25rem;
  margin-top: 3rem;
}

.lab-work__block {
  display: flex;
  flex-direction: column;
  padding: 2rem 1.85rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.lab-work__block:hover {
  border-color: rgba(0, 71, 255, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.lab-work__kicker {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.85rem;
}

.lab-work__block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-900);
  line-height: 1.25;
  margin-bottom: 0.65rem;
}

.lab-work__block p {
  font-size: 0.95rem;
  color: var(--text-500);
  line-height: 1.7;
  flex: 1;
}

.lab-work__go {
  margin-top: 1.25rem;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-primary);
}

/* El bloque de acompañamiento pesa más: ocupa fila completa y va oscuro */
.lab-work__block--lead {
  grid-column: 1 / -1;
  grid-row: 1;
  background: linear-gradient(135deg, #041736 0%, #0a2a5c 100%);
  border-color: transparent;
  color: #fff;
  padding: 2.5rem 2.25rem;
}

.lab-work__block--lead h3 {
  color: #fff;
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  max-width: 22ch;
}

.lab-work__block--lead p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 48ch;
}

.lab-work__block--lead .lab-work__kicker { color: var(--color-accent); }
.lab-work__block--lead .lab-work__go { color: var(--color-lime); }

.lab-work__block--lead:hover {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 18px 45px rgba(4, 23, 54, 0.35);
}

@media (max-width: 800px) {
  .lab-work { grid-template-columns: 1fr; }
  .lab-work__block--lead { grid-column: auto; grid-row: auto; }
}

/* ── Principios ── */
.lab-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
}

.lab-principle {
  padding-top: 1.1rem;
  border-top: 3px solid var(--color-primary);
}

.lab-principle:nth-child(2) { border-top-color: var(--color-teal); }
.lab-principle:nth-child(3) { border-top-color: var(--color-accent); }

.lab-principle h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.4rem;
}

.lab-principle p {
  font-size: 0.9rem;
  color: var(--text-500);
  line-height: 1.6;
}

@media (max-width: 700px) {
  .lab-principles { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ── PACSEJ / investigación destacada ── */
.lab-research {
  background: var(--bg-navy);
  color: #fff;
  padding-block: clamp(3.5rem, 8vw, 5rem);
}

.lab-research__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.lab-research h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.lab-research p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.lab-research__metrics {
  display: grid;
  gap: 0.75rem;
}

.lab-research__metric {
  padding: 1.15rem 1.35rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-md, 12px);
}

.lab-research__metric b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.lab-research__metric span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.45;
}

@media (max-width: 800px) {
  .lab-research__grid { grid-template-columns: 1fr; }
}

/* ── Captura de leads ── */
.lab-lead {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.lab-lead h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 800;
  color: var(--text-900);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.lab-lead p {
  font-size: 0.95rem;
  color: var(--text-500);
  line-height: 1.7;
}

.lab-lead__magnet {
  margin-top: 1.15rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--color-teal);
  background: #fff;
  font-size: 0.88rem;
  color: var(--text-700);
}

.lab-lead__magnets {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.15rem;
}

.lab-lead__magnets .lab-lead__magnet {
  margin-top: 0;
}

.lab-lead__magnet a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

.lab-lead__magnet a:hover {
  text-decoration: underline;
}

.lab-lead__magnet--corp {
  border-left-color: var(--color-primary);
  background: rgba(0, 71, 255, 0.04);
}

.lab-lead__magnet strong { color: var(--text-900); }

@media (max-width: 760px) {
  .lab-lead { grid-template-columns: 1fr; }
}

/* ── Ficha de servicio ── */
.lab-service {
  border-top: 3px solid var(--color-primary);
  padding-top: 1.5rem;
  margin-top: 3rem;
}

.lab-service:first-of-type { margin-top: 0; }

.lab-service__num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-teal);
  margin-bottom: 0.5rem;
}

.lab-service h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 0.75rem;
}

.lab-service__lede {
  font-size: 1rem;
  color: var(--text-500);
  line-height: 1.75;
  max-width: 46rem;
  margin-bottom: 1.5rem;
}

.lab-service__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}

.lab-service__cols h4 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-900);
  margin-bottom: 0.65rem;
}

.lab-service__cols ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lab-service__cols li {
  font-size: 0.9rem;
  color: var(--text-500);
  line-height: 1.5;
  padding-left: 1rem;
  position: relative;
}

.lab-service__cols li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-teal);
}

.lab-service__cta { margin-top: 1.5rem; }

@media (max-width: 700px) {
  .lab-service__cols { grid-template-columns: 1fr; }
}

/* ── Franja de prueba de autoridad ── */
.lab-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.lab-proof__item {
  padding: 1.5rem 1.5rem 1.5rem 0;
  border-right: 1px solid var(--border);
}

.lab-proof__item:last-child { border-right: none; }
.lab-proof__item + .lab-proof__item { padding-left: 1.5rem; }

.lab-proof__num {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.lab-proof__item p {
  font-size: 0.88rem;
  color: var(--text-500);
  line-height: 1.55;
}

@media (max-width: 760px) {
  .lab-proof { grid-template-columns: 1fr; }
  .lab-proof__item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 0;
  }
  .lab-proof__item + .lab-proof__item { padding-left: 0; }
  .lab-proof__item:last-child { border-bottom: none; }
}

/* ── Observatorio (categorías editoriales) ── */
.lab-topics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.lab-topic {
  display: block;
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.lab-topic:hover {
  border-color: rgba(0, 71, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.lab-topic__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-bottom: 0.9rem;
}

.lab-topic:nth-child(2) .lab-topic__dot { background: var(--color-teal); }
.lab-topic:nth-child(3) .lab-topic__dot { background: var(--color-accent); }
.lab-topic:nth-child(4) .lab-topic__dot { background: #7c3aed; }

.lab-topic h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-900);
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.lab-topic p {
  font-size: 0.84rem;
  color: var(--text-500);
  line-height: 1.5;
}

@media (max-width: 900px) { .lab-topics { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .lab-topics { grid-template-columns: 1fr; } }

/* ── Manifiesto ── */
.lab-manifesto {
  background: var(--bg-navy);
  color: #fff;
  padding-block: clamp(3.5rem, 8vw, 5rem);
}

.lab-manifesto__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 44rem;
  margin-top: 2rem;
}

.lab-manifesto__list li {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.9);
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-accent);
}

.lab-manifesto__list li:nth-child(even) { border-left-color: var(--color-teal); }

/* Footer social (home laboratorio) */
.footer-social {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.25rem;
}
.footer-social a {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-social a:hover { color: var(--color-accent); }