/* MCT: sistema visual del rediseño (dirección: editorial de ingeniería industrial)
   Paleta de marca: #184782 · #2669B0 · #447EDA · #5B95E8 · #68A3BF (Montserrat) */

@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Montserrat";
  src: url("../fonts/montserrat-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --azul-profundo: #184782;
  --azul-medio: #2669B0;
  --azul-vivo: #447EDA;
  --azul-claro: #5B95E8;
  --azul-gris: #68A3BF;

  --tinta: #1c2530;
  --tinta-suave: #46525f;
  --papel: #fcfbf9;
  --papel-gris: #f4f3f0;
  --linea: #ddd9d2;

  --noche: #10233d;      /* dark deliberado: hero y OSMA */
  --noche-borde: #29405e;
  --noche-texto: #c8d4e2;

  --ancho: 1120px;
  --ancho-texto: 46rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Montserrat", "Segoe UI", system-ui, sans-serif;
  font-weight: 420;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--papel);
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3 { font-weight: 640; line-height: 1.15; letter-spacing: -0.015em; }

a { color: var(--azul-medio); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Cabecera ---------- */

.site-header {
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 4.25rem;
}

.brand {
  font-weight: 760;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--azul-profundo);
}
.brand:hover { text-decoration: none; }
.brand .mc { border-bottom: 3px solid var(--azul-vivo); padding-bottom: 1px; }

.main-nav { margin-left: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.main-nav a {
  color: var(--tinta-suave);
  font-size: 0.92rem;
  font-weight: 520;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--azul-profundo); text-decoration: none; }

.nav-cta {
  display: inline-block;
  background: var(--azul-profundo);
  color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: 3px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--azul-medio); text-decoration: none; }

.nav-portal {
  font-size: 0.85rem !important;
  border-left: 1px solid var(--linea);
  padding-left: 1.4rem;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--linea);
  border-radius: 3px;
  padding: 0.5rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--tinta);
  cursor: pointer;
}

/* ---------- Hero (dark deliberado) ---------- */

.hero {
  background: var(--noche);
  color: #fff;
  padding: 5.5rem 0 4.5rem;
}

.hero .eyebrow {
  color: var(--azul-claro);
  font-size: 0.82rem;
  font-weight: 620;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  max-width: 21ch;
  margin-bottom: 1.5rem;
}

.hero-lead {
  color: var(--noche-texto);
  max-width: var(--ancho-texto);
  font-size: 1.125rem;
  margin-bottom: 2.2rem;
}

.hero-actions { display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }

.button {
  display: inline-block;
  background: var(--azul-vivo);
  color: #fff;
  padding: 0.8rem 1.6rem;
  border-radius: 3px;
  font-weight: 620;
  font-size: 0.98rem;
}
.button:hover { background: var(--azul-claro); text-decoration: none; }

.hero .text-link { color: #fff; font-weight: 560; }

/* ---------- Franja de clientes ---------- */

.clients-strip {
  border-bottom: 1px solid var(--linea);
  padding: 1.4rem 0;
}

.clients-inner {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.clients-label {
  font-size: 0.78rem;
  font-weight: 620;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  white-space: nowrap;
}

.clients-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 560;
  color: var(--azul-profundo);
}

/* ---------- Secciones (base editorial) ---------- */

.section { padding: 4.5rem 0; }

.kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.4rem;
}

.kicker::after { content: ""; flex: 1; height: 1px; background: var(--linea); }

.kicker span {
  font-size: 0.8rem;
  font-weight: 640;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--azul-medio);
  white-space: nowrap;
}

.section h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); margin-bottom: 1.2rem; max-width: 28ch; }

.section .lead { max-width: var(--ancho-texto); color: var(--tinta-suave); }
.section .lead strong { color: var(--tinta); font-weight: 640; }

/* ---------- Evidencia: caso Aeropuerto ---------- */

.evidence { background: var(--papel-gris); border-block: 1px solid var(--linea); }

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.evidence blockquote {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 540;
  line-height: 1.5;
  color: var(--tinta);
  border-left: 3px solid var(--azul-vivo);
  padding-left: 1.4rem;
}

.evidence figcaption {
  margin-top: 1.1rem;
  padding-left: calc(1.4rem + 3px);
  font-size: 0.88rem;
  color: var(--tinta-suave);
}

.evidence-facts { list-style: none; display: grid; gap: 1px; background: var(--linea); border: 1px solid var(--linea); }

.evidence-facts li { background: var(--papel); padding: 1rem 1.2rem; display: flex; justify-content: space-between; gap: 1rem; font-size: 0.92rem; }
.evidence-facts .fact-label { color: var(--tinta-suave); }
.evidence-facts .fact-value { font-weight: 620; text-align: right; }

/* ---------- Tabla de contraste ---------- */

.contrast-table { border: 1px solid var(--linea); margin-top: 2.6rem; }

.contrast-row { display: grid; grid-template-columns: 1fr 1fr; }
.contrast-row + .contrast-row { border-top: 1px solid var(--linea); }

.contrast-row > * { padding: 1rem 1.3rem; font-size: 0.97rem; }
.contrast-row > :first-child { color: var(--tinta-suave); border-right: 1px solid var(--linea); }
.contrast-row > :last-child { font-weight: 560; }

.contrast-head { background: var(--papel-gris); }
.contrast-head > * {
  font-size: 0.78rem !important;
  font-weight: 660;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contrast-head > :first-child { color: var(--tinta-suave); }
.contrast-head > :last-child { color: var(--azul-profundo); }

/* ---------- Método: Medir / Optimizar / Operar ---------- */

.method-list { display: grid; gap: 0; margin-top: 1rem; }

.method-item {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 17rem) minmax(0, 1fr);
  gap: 2rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--linea);
}

.method-num {
  font-size: 0.95rem;
  font-weight: 640;
  color: var(--azul-vivo);
  letter-spacing: 0.06em;
  padding-top: 0.3rem;
}

.method-item h3 { font-size: 1.35rem; }
.method-item .method-q { margin-top: 0.4rem; font-size: 0.92rem; color: var(--tinta-suave); }

.method-body p { color: var(--tinta-suave); }
.method-body .proof-line {
  margin-top: 0.9rem;
  font-size: 0.92rem;
  color: var(--tinta);
  padding-left: 1rem;
  border-left: 2px solid var(--azul-gris);
}
.method-body .proof-line b { font-weight: 640; }

/* ---------- Proceso + IA ---------- */

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

.large-copy { font-size: clamp(1.2rem, 2.2vw, 1.55rem); font-weight: 540; line-height: 1.45; }

.quiet-block { border: 1px solid var(--linea); padding: 1.6rem 1.7rem; background: var(--papel-gris); }
.quiet-block .eyebrow {
  font-size: 0.78rem; font-weight: 640; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--azul-medio); margin-bottom: 0.8rem;
}
.quiet-block p { font-size: 0.97rem; color: var(--tinta-suave); }

/* ---------- Casos ---------- */

.case-list { border-top: 1px solid var(--linea); margin-top: 1rem; }

.case-row {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--linea);
  color: inherit;
}
.case-row:hover { text-decoration: none; background: var(--papel-gris); }

.case-row h3 { font-size: 1.15rem; }
.case-row .case-sector { display: block; font-size: 0.8rem; font-weight: 540; color: var(--tinta-suave); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.08em; }
.case-row p { color: var(--tinta-suave); font-size: 0.98rem; }
.case-row .case-arrow { color: var(--azul-vivo); font-weight: 620; }

/* ---------- OSMA (dark deliberado) ---------- */

.osma { background: var(--noche); color: #fff; padding: 5rem 0; }

.osma .kicker::after { background: var(--noche-borde); }
.osma .kicker span { color: var(--azul-claro); }

.osma-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 3.5rem;
  align-items: center;
}

.osma p { color: var(--noche-texto); }
.osma p strong { color: #fff; font-weight: 640; }

.osma-modules { list-style: none; margin: 1.8rem 0; display: grid; gap: 0.55rem; font-size: 0.95rem; }
.osma-modules li { display: flex; gap: 0.8rem; align-items: baseline; color: var(--noche-texto); }
.osma-modules li::before { content: "·"; color: var(--azul-claro); }
.osma-modules b { color: #fff; font-weight: 620; }

.osma .text-link { color: var(--azul-claro); font-weight: 580; }

.osma-screen { border: 1px solid var(--noche-borde); background: #0b1a2e; }

.osma-screen-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--noche-borde);
  font-size: 0.78rem;
  color: var(--azul-gris);
  letter-spacing: 0.06em;
}
.osma-screen-bar i { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--noche-borde); }

.osma-screen-crop { overflow: hidden; max-height: 26rem; }
.osma-screen-crop img { display: block; width: 100%; height: auto; }

.osma-screen-caption {
  padding: 0.7rem 0.9rem;
  font-size: 0.82rem;
  color: var(--azul-gris);
  border-top: 1px solid var(--noche-borde);
}

/* ---------- Cierre ---------- */

.closing { padding: 4.5rem 0; }

.closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2.5rem;
  align-items: center;
  border: 1px solid var(--linea);
  border-left: 4px solid var(--azul-profundo);
  background: var(--papel-gris);
  padding: 2.4rem 2.6rem;
}

.closing p { font-size: clamp(1.1rem, 2vw, 1.3rem); font-weight: 540; max-width: 34ch; }

/* ---------- Pie ---------- */

.site-footer { background: var(--papel-gris); border-top: 1px solid var(--linea); padding: 3.5rem 0 2rem; font-size: 0.92rem; }

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem;
}

.footer-grid .brand { font-size: 1.15rem; display: inline-block; margin-bottom: 0.9rem; }
.footer-grid p { color: var(--tinta-suave); }

.footer-head { font-weight: 640; margin-bottom: 0.9rem; color: var(--tinta); }

.footer-list { list-style: none; display: grid; gap: 0.5rem; }
.footer-list a { color: var(--tinta-suave); }
.footer-list a:hover { color: var(--azul-profundo); }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--linea);
  color: var(--tinta-suave);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .evidence-grid, .process-grid, .osma-grid { grid-template-columns: minmax(0, 1fr); gap: 2.2rem; }
  .method-item { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .method-body { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .closing-inner { grid-template-columns: 1fr; }
}

/* La navegación completa (7 ítems + CTA + portal) necesita ~1100px:
   por debajo se colapsa al menú hamburguesa para no generar scroll horizontal. */
@media (max-width: 1139px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--papel);            /* fondo sólido: corrige el menú translúcido del borrador */
    border-bottom: 1px solid var(--linea);
    box-shadow: 0 12px 24px rgba(28, 37, 48, 0.08);
  }
  .main-nav.open { display: block; }

  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 0; }
  .main-nav li { border-top: 1px solid var(--linea); }
  .main-nav li:first-child { border-top: 0; }
  .main-nav a { display: block; padding: 0.9rem 1.5rem; font-size: 1rem; }
  .nav-cta { border-radius: 0; margin: 0.5rem 1.5rem 0.9rem; text-align: center; }
  .nav-portal { border-left: 0; padding-left: 1.5rem; }
}

@media (max-width: 760px) {
  .hero { padding: 3.5rem 0 3rem; }
  .section { padding: 3.2rem 0; }
  .kicker span { white-space: normal; }   /* rótulos largos: que se partan en vez de desbordar */

  .contrast-row { grid-template-columns: 1fr; }
  .contrast-row > :first-child { border-right: 0; border-bottom: 1px dashed var(--linea); padding-bottom: 0.6rem; }
  .contrast-row > :last-child { padding-top: 0.6rem; }
  .contrast-head { display: none; }
  .contrast-row > :first-child::before { content: "El proyecto de siempre: "; font-size: 0.78rem; font-weight: 660; letter-spacing: 0.06em; text-transform: uppercase; color: var(--tinta-suave); display: block; }
  .contrast-row > :last-child::before { content: "Con MCT: "; font-size: 0.78rem; font-weight: 660; letter-spacing: 0.06em; text-transform: uppercase; color: var(--azul-profundo); display: block; }

  .case-row { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ---------- Páginas interiores ---------- */

.main-nav a[aria-current="page"] { color: var(--azul-profundo); font-weight: 640; }

.page-hero { padding: 4rem 0 3rem; border-bottom: 1px solid var(--linea); }
.page-hero .eyebrow {
  font-size: 0.8rem; font-weight: 640; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--azul-medio); margin-bottom: 1rem;
}
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); max-width: 24ch; margin-bottom: 1.2rem; }
.page-hero .lead { max-width: var(--ancho-texto); color: var(--tinta-suave); font-size: 1.1rem; }
.page-hero .lead strong { color: var(--tinta); font-weight: 640; }

/* Líneas de servicio (filas editoriales, no cards) */
.service-list { border-top: 1px solid var(--linea); margin-top: 1rem; }
.service-row {
  display: grid;
  grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--linea);
}
.service-row h3 { font-size: 1.15rem; }
.service-row p { color: var(--tinta-suave); font-size: 0.98rem; }

/* Franja de metodología */
.badge-strip {
  display: flex; flex-wrap: wrap; gap: 0.6rem 0;
  list-style: none; margin-top: 2.4rem;
  font-size: 0.88rem; font-weight: 560; color: var(--tinta-suave);
}
.badge-strip li { display: flex; align-items: center; }
.badge-strip li + li::before { content: "·"; margin: 0 0.9rem; color: var(--azul-gris); }

/* Casos: artículo por caso */
.case-article { padding: 3rem 0; border-top: 1px solid var(--linea); }
.case-article:first-of-type { border-top: 0; }
.case-article header { margin-bottom: 1.8rem; }
.case-article h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 0.3rem; }
.case-article .case-sector {
  font-size: 0.8rem; font-weight: 560; color: var(--tinta-suave);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.case-blocks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}
.case-block { background: var(--papel); padding: 1.4rem 1.5rem; }
.case-block .case-label {
  display: block; font-size: 0.76rem; font-weight: 660; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--azul-medio); margin-bottom: 0.5rem;
}
.case-block p { font-size: 0.97rem; color: var(--tinta-suave); }
.case-award {
  margin-top: 1.1rem; font-size: 0.9rem; color: var(--tinta);
  padding-left: 1rem; border-left: 2px solid var(--azul-gris);
}

/* Especificación técnica (movilidad) */
.spec-list { list-style: none; border-top: 1px solid var(--linea); margin-top: 1rem; }
.spec-list li {
  display: grid; grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
  gap: 2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--linea);
  font-size: 0.97rem;
}
.spec-list .spec-term { font-weight: 620; }
.spec-list .spec-def { color: var(--tinta-suave); }

/* Plataforma: módulos con pantallas */
.module { padding: 3rem 0; border-top: 1px solid var(--linea); }
.module:first-of-type { border-top: 0; }
.module-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 3rem; align-items: start; }
.module h2 { font-size: 1.5rem; margin-bottom: 0.9rem; }
.module p { color: var(--tinta-suave); }
.module .osma-screen { border-color: var(--linea); background: var(--papel-gris); }
.module .osma-screen-crop { max-height: none; }   /* en Plataforma las pantallas se muestran completas */
.module .osma-screen-bar { border-color: var(--linea); color: var(--tinta-suave); }
.module .osma-screen-bar i { background: var(--linea); }
.module .osma-screen-caption { border-color: var(--linea); color: var(--tinta-suave); }
.module-pending {
  border: 1px dashed var(--linea);
  padding: 1.4rem 1.5rem;
  font-size: 0.9rem;
  color: var(--tinta-suave);
  background: var(--papel-gris);
}

/* Nosotros: trayectoria y equipo */
.milestones { list-style: none; border-top: 1px solid var(--linea); margin-top: 1rem; }
.milestones li {
  display: grid; grid-template-columns: 7rem minmax(0, 1fr);
  gap: 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--linea);
}
.milestones .milestone-year { font-weight: 660; color: var(--azul-vivo); font-size: 1.05rem; }
.milestones p { color: var(--tinta-suave); font-size: 0.98rem; }

.team-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-top: 1rem; }
.team-member { border: 1px solid var(--linea); border-top: 3px solid var(--azul-profundo); padding: 1.5rem 1.7rem 1.7rem; }
.team-member h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }
.team-member .team-role { font-size: 0.82rem; color: var(--azul-medio); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.9rem; }
.team-member p { font-size: 0.95rem; color: var(--tinta-suave); }

/* FAQ */
.faq { max-width: var(--ancho-texto); }
.faq details { border-bottom: 1px solid var(--linea); padding: 1.1rem 0; }
.faq details:first-of-type { border-top: 1px solid var(--linea); }
.faq summary { font-weight: 620; cursor: pointer; font-size: 1rem; list-style: none; position: relative; padding-right: 2rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0.2rem; top: 0; color: var(--azul-vivo); font-weight: 640; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 0.7rem; color: var(--tinta-suave); font-size: 0.97rem; }

/* Formulario de contacto */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 3.5rem; align-items: start; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem 1.4rem; }
.form-field { display: flex; flex-direction: column; gap: 0.35rem; }
.form-field.wide { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  font: inherit; font-size: 0.97rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--linea);
  border-radius: 3px;
  background: #fff;
  color: var(--tinta);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--azul-claro); outline-offset: 1px; border-color: var(--azul-claro);
}
.form-field textarea { min-height: 8rem; resize: vertical; }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.form-status { font-size: 0.92rem; }
.form-status.ok { color: #1c7a3d; }
.form-status.error { color: #b3341f; }

.contact-aside { display: grid; gap: 1.6rem; }
.contact-aside .quiet-block p + p { margin-top: 0.5rem; }

@media (max-width: 900px) {
  .contact-grid, .module-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .team-grid, .case-blocks { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .service-row, .spec-list li, .milestones li { grid-template-columns: 1fr; gap: 0.4rem; }
  .form-grid { grid-template-columns: 1fr; }
  .badge-strip { flex-direction: column; align-items: flex-start; gap: 0.45rem; }
  .badge-strip li + li::before { content: none; margin: 0; }
}

/* ---------- Logos de clientes (franja discreta, brief §19) ---------- */

.clients-logos {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 2.4rem;
}
.clients-logos img {
  display: block;
  height: 1.7rem;
  width: auto;
  max-width: 9rem;
  filter: grayscale(1);
  opacity: 0.72;
  transition: opacity 0.2s, filter 0.2s;
}
.clients-logos li:hover img { filter: none; opacity: 1; }
.clients-logos .logo-tall img { height: 2.3rem; }
.clients-logos .logo-ink img { opacity: 0.5; }   /* logos negros de origen: emparejar con los grisados */

/* ---------- Fotografía real (brief §8) ----------
   Las miniaturas actuales miden ~440 px: nunca se muestran por encima de ese ancho. */

.photo { margin: 0; }
.photo img { display: block; width: 100%; height: auto; object-fit: cover; }
.photo figcaption { font-size: 0.82rem; color: var(--tinta-suave); margin-top: 0.55rem; }

.evidence-photo { max-width: 26rem; }
.evidence-photo img { aspect-ratio: 4 / 3; }

.evidence-grid.with-photo { grid-template-columns: minmax(0, 26rem) minmax(0, 1fr); align-items: start; }

.evidence-facts.horizontal { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 2rem; }
.evidence-facts.horizontal li { flex-direction: column; gap: 0.3rem; }
.evidence-facts.horizontal .fact-value { text-align: left; }

.case-row.with-thumb { grid-template-columns: 8rem minmax(0, 13rem) minmax(0, 1fr) auto; align-items: start; }
.case-row.with-thumb h3 { margin-top: -0.25rem; }   /* compensa el interlineado para alinear el título con el borde superior de la foto */
.case-thumb { width: 8rem; aspect-ratio: 4 / 3; }

.case-article header.with-photo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 24rem);
  gap: 2.5rem;
  align-items: end;
}
.case-article header.with-photo .photo img { aspect-ratio: 3 / 2; }

.photo-band { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin: 2.5rem 0 1.5rem; }
.photo-band .photo img { aspect-ratio: 3 / 2; }

.service-row.with-photo { grid-template-columns: minmax(0, 14rem) minmax(0, 1fr) 13rem; align-items: start; }
.service-photo img { aspect-ratio: 4 / 3; }

@media (max-width: 900px) {
  .evidence-grid.with-photo { grid-template-columns: minmax(0, 1fr); }
  .evidence-facts.horizontal { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-article header.with-photo { grid-template-columns: 1fr; gap: 1.2rem; }
  .service-row.with-photo { grid-template-columns: minmax(0, 1fr) 11rem; }
  .service-row.with-photo h3 { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .clients-logos { gap: 0.8rem 1.6rem; }
  .clients-logos img { height: 1.4rem; }
  .case-row.with-thumb { grid-template-columns: 1fr; }
  .case-thumb { width: 100%; max-width: 20rem; }
  .photo-band { grid-template-columns: 1fr; }
  .service-row.with-photo { grid-template-columns: 1fr; }
  .service-photo { max-width: 20rem; }
}

/* Caso sin fotografía: placa con el logo del cliente, en el mismo marco que las fotos */
.case-logo-tile {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--linea);
  background: var(--papel-gris);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-logo-tile img {
  width: 42%;
  height: auto;
  filter: grayscale(1);
  opacity: 0.8;
}

/* ---------- Galería (carrusel manual, sin autoplay; brief §32) ---------- */

.gallery { margin-top: 2.2rem; }

.gallery-track {
  position: relative;   /* offsetLeft de las fotos relativo a la pista (lo usa el script) */
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.gallery-track::-webkit-scrollbar { display: none; }

.gallery-item {
  flex: 0 0 min(100%, 40rem);
  scroll-snap-align: start;
  margin: 0;
}
.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.gallery-item figcaption { font-size: 0.82rem; color: var(--tinta-suave); margin-top: 0.55rem; }

.gallery-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.9rem;
}
.gallery-controls button {
  font: inherit;
  font-size: 0.9rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--linea);
  border-radius: 3px;
  background: var(--papel);
  color: var(--tinta);
  cursor: pointer;
}
.gallery-controls button:hover { border-color: var(--azul-medio); color: var(--azul-medio); }
.gallery-count { font-size: 0.82rem; color: var(--tinta-suave); margin-left: 0.4rem; }

/* Galería compacta dentro de la sección de evidencia (una foto por vista, al ancho de la columna) */
.evidence-gallery { margin-top: 0; max-width: 26rem; min-width: 0; }
.evidence-gallery .gallery-item { flex-basis: 100%; }
.evidence-gallery .gallery-item figcaption { padding-left: 0; margin-top: 0.55rem; }
.evidence-gallery .gallery-controls { margin-top: 0.7rem; }

/* Galería en la cabecera de un caso (ocupa la columna de la foto) */
.header-gallery { margin-top: 0; min-width: 0; }
.header-gallery .gallery-item { flex-basis: 100%; }
.header-gallery .gallery-item img { aspect-ratio: 3 / 2; }
.header-gallery .gallery-controls { margin-top: 0.7rem; }