/* ═══════════════════════════════════════════════
   QUATRIC — PAGINAS DE SERVICIO
   Mismo sistema que la home (tokens, nav, botones, footer), en una hoja
   compartida por las cuatro paginas de /servicios para que el navegador la
   descargue una sola vez.
═══════════════════════════════════════════════ */

@font-face {
  font-family: 'Michroma Quatric';
  src: url('/fonts/michroma-quatric.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
  size-adjust: 84%;
}

/* Montserrat alojada en el sitio: sin la hoja de Google Fonts que bloquea
   el render. Es la variable latin, cubre 300 a 700. */
@font-face {
  font-family: 'Montserrat';
  src: url('/fonts/montserrat-var-latin.woff2') format('woff2');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

/* Los tokens de marca viven en /css/tokens.css, enlazada antes que esta hoja.
   Aqui solo las variables de layout de estas paginas. */
:root {
  --section-pad: 112px 0;
}

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

html {
  font-size: 16px;
  overflow-x: hidden;
  scroll-padding-top: 96px;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--font-body);
  background: var(--q-white);
  color: var(--q-ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
svg { flex-shrink: 0; }

::selection {
  background: var(--q-teal);
  color: var(--q-white);
}

:focus-visible {
  outline: 2px solid var(--q-mint);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  html { scrollbar-color: var(--q-teal) var(--q-cream); }
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.saltar {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100000;
}

.saltar:focus-visible {
  left: 12px;
  top: 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  background: var(--q-forest);
  color: var(--q-white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════
   NAVBAR (igual a la home)
═══════════════════════════════════════════════ */
.mobile-menu { display: none; }

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--q-forest);
  border-bottom: 1px solid rgba(32, 114, 106, 0.3);
  transition:
    background 0.42s cubic-bezier(0.25, 1, 0.5, 1),
    box-shadow 0.42s cubic-bezier(0.25, 1, 0.5, 1),
    top 0.42s cubic-bezier(0.25, 1, 0.5, 1),
    left 0.42s cubic-bezier(0.25, 1, 0.5, 1),
    right 0.42s cubic-bezier(0.25, 1, 0.5, 1),
    border-radius 0.42s cubic-bezier(0.25, 1, 0.5, 1);
}

#navbar.scrolled {
  top: 14px;
  left: 250px;
  right: 250px;
  background: rgba(0, 30, 30, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28), 0 2px 8px rgba(0, 0, 0, 0.18);
  border-radius: 16px;
}

#navbar.scrolled .container { padding: 0 20px; }
#navbar.scrolled .nav-inner { gap: 20px; }
#navbar.scrolled .nav-links { gap: 24px; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  display: block;
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s;
  position: relative;
  padding: 10px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--q-teal-light);
  transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a[aria-current] { color: var(--q-white); }

.nav-links a:hover::after,
.nav-links a[aria-current]::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--q-teal-light);
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ═══════════════════════════════════════════════
   BOTONES
═══════════════════════════════════════════════ */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out), transform 0.2s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.btn-primary {
  font-weight: 600;
  background: var(--q-teal);
  color: var(--q-white);
  border: 2px solid var(--q-teal);
}

/* En hover el teal claro de la home da 4.1:1 con texto blanco; el medio
   oscurece en vez de aclarar y queda sobre 7:1. */
.btn-primary:hover {
  background: var(--q-teal-mid);
  border-color: var(--q-teal-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(32, 114, 106, 0.4);
}

.btn-secondary {
  font-weight: 500;
  background: transparent;
  color: var(--q-white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  border-color: var(--q-white);
  background: rgba(255, 255, 255, 0.07);
}

.btn-primary:active,
.btn-secondary:active { transform: scale(0.97); box-shadow: none; }

.btn-primary svg,
.btn-secondary svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Sobre fondo claro el secundario necesita tinta, no blanco. */
.btn-secondary.sobre-claro {
  color: var(--q-forest);
  border-color: rgba(0, 51, 51, 0.35);
}

.btn-secondary.sobre-claro:hover {
  border-color: var(--q-forest);
  background: rgba(0, 51, 51, 0.05);
}

/* ═══════════════════════════════════════════════
   TITULOS
═══════════════════════════════════════════════ */
.titulo {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--q-forest);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  text-wrap: balance;
}

.titulo.claro { color: var(--q-white); }

.entrada {
  font-weight: 300;
  font-size: 1.02rem;
  color: var(--q-ink-soft);
  max-width: 62ch;
}

.entrada.claro { color: rgba(255, 255, 255, 0.74); }

/* ═══════════════════════════════════════════════
   HERO DE SERVICIO
═══════════════════════════════════════════════ */
.svc-hero {
  position: relative;
  background: var(--q-forest);
  overflow: hidden;
  padding: 148px 0 96px;
  isolation: isolate;
}

.svc-hero-foto {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.svc-hero-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.svc-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, rgba(0, 20, 20, 0.94) 0%, rgba(0, 40, 40, 0.82) 48%, rgba(0, 40, 40, 0.55) 100%);
}

.svc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 72px;
  align-items: end;
}

.migas ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-bottom: 32px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.migas li { display: flex; align-items: center; gap: 10px; }

.migas li + li::before {
  content: '';
  width: 14px;
  height: 1px;
  background: var(--q-teal-light);
}

.migas a { transition: color 0.2s; }
.migas a:hover { color: var(--q-white); }
.migas [aria-current] { color: var(--q-mint); }

.svc-h1 {
  font-family: var(--font-primary);
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.06;
  color: var(--q-white);
  margin-bottom: 28px;
  text-wrap: balance;
}

.svc-h1 .acento { color: var(--q-teal-light); }

.svc-lead {
  font-size: 1.06rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.76);
  max-width: 58ch;
  margin-bottom: 40px;
}

.svc-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Placa de datos: la ficha del servicio se lee como la placa grabada de un
   transformador. Cuatro tornillos, filas de clave y valor, nada mas. */
.placa {
  position: relative;
  background: rgba(0, 20, 20, 0.62);
  border: 1px solid rgba(42, 140, 130, 0.45);
  padding: 34px 34px 26px;
}

.placa::before,
.placa::after,
.placa-tornillos::before,
.placa-tornillos::after {
  content: '';
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(79, 195, 161, 0.55);
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.35), rgba(0, 51, 51, 0.6) 70%);
}

.placa::before { top: 11px; left: 11px; }
.placa::after { top: 11px; right: 11px; }
.placa-tornillos::before { bottom: 11px; left: 11px; }
.placa-tornillos::after { bottom: 11px; right: 11px; }

.placa-titulo {
  font-family: var(--font-primary);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--q-mint);
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(42, 140, 130, 0.45);
}

.placa dl > div {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.placa dl > div:last-child { border-bottom: none; }

.placa dt {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  padding-top: 2px;
}

.placa dd {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--q-white);
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════
   ALCANCE
═══════════════════════════════════════════════ */
.alcance {
  padding: var(--section-pad);
  background: var(--q-cream);
}

.alcance-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 80px;
  align-items: start;
}

.alcance-intro {
  position: sticky;
  top: 120px;
}

.alcance-intro .titulo { margin-bottom: 20px; }
.alcance-intro .entrada { margin-bottom: 36px; }

.alcance-foto {
  max-width: 420px;
}

.alcance-foto-marco {
  position: relative;
}

.alcance-foto img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.alcance-foto-marco::after {
  content: '';
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 62%;
  height: 62%;
  border: 2px solid var(--q-teal);
}

.alcance-foto figcaption {
  margin-top: 28px;
  font-size: 0.78rem;
  color: var(--q-ink-soft);
}

.alcance-lista {
  border-top: 1px solid rgba(0, 51, 51, 0.18);
}

.alcance-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(0, 51, 51, 0.18);
}

.alcance-item::before {
  content: '';
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--q-teal);
}

.alcance-item h3 {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--q-forest);
  margin-bottom: 6px;
}

.alcance-item p {
  font-size: 0.94rem;
  font-weight: 400;
  color: var(--q-ink-soft);
  max-width: 64ch;
}

.alcance-grupo {
  font-family: var(--font-primary);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--q-teal-mid);
  margin-bottom: 14px;
}

.alcance-lista + .alcance-grupo { margin-top: 56px; }

/* Desvio a la pagina hermana: un bloque oscuro que corta el ritmo crema
   para que no se lea como un item mas del alcance. */
.alcance-nota {
  display: grid;
  gap: 6px;
  margin-top: 40px;
  padding: 26px 28px;
  background: var(--q-forest);
  color: var(--q-white);
  transition: background 0.25s;
}

.alcance-nota:hover { background: var(--q-teal-dark); }

.alcance-nota strong {
  font-size: 1rem;
  font-weight: 600;
}

.alcance-nota span {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.74);
}

.alcance-nota em {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--q-mint);
}

.alcance-nota svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* ═══════════════════════════════════════════════
   METODO
═══════════════════════════════════════════════ */
.metodo {
  padding: var(--section-pad);
  background: var(--q-forest);
  color: var(--q-white);
  position: relative;
  overflow: hidden;
}

.metodo-cabeza {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 64px;
}

.metodo-pasos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(42, 140, 130, 0.45);
  counter-reset: paso;
}

.metodo-paso {
  position: relative;
  padding: 32px 28px 8px 0;
  counter-increment: paso;
}

.metodo-paso + .metodo-paso { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, 0.08); }

.metodo-paso::before {
  content: counter(paso, decimal-leading-zero);
  display: block;
  font-family: var(--font-primary);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--q-mint);
  margin-bottom: 18px;
}

/* El nodo sobre la linea marca el paso como un punto de conexion. */
.metodo-paso::after {
  content: '';
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--q-teal-light);
}

.metodo-paso + .metodo-paso::after { left: 28px; }

.metodo-paso h3 {
  font-family: var(--font-primary);
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.metodo-paso p {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.74);
}

/* ═══════════════════════════════════════════════
   PROYECTO DE REFERENCIA
═══════════════════════════════════════════════ */
.caso {
  padding: var(--section-pad);
  background: var(--q-white);
}

.caso-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 88px;
  align-items: center;
}

.caso-fotos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.caso-fotos figure:only-child { grid-column: 1 / -1; }

.caso-fotos img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.caso-fotos figure.ancha { grid-column: 1 / -1; }
.caso-fotos figure.ancha img { aspect-ratio: 4 / 3; }

.caso-etiqueta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--q-teal);
  margin-bottom: 14px;
}

.caso-cliente {
  font-family: var(--font-primary);
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--q-forest);
  line-height: 1.1;
  margin-bottom: 14px;
}

.caso-resumen {
  font-size: 1rem;
  font-weight: 300;
  color: var(--q-ink-soft);
  max-width: 56ch;
  margin-bottom: 32px;
}

.caso-datos > div {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--q-silver);
}

.caso-datos > div:last-child { border-bottom: 1px solid var(--q-silver); }

.caso-datos dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--q-teal);
  padding-top: 3px;
}

.caso-datos dd {
  font-size: 0.95rem;
  color: var(--q-ink);
}

.enlace-flecha {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 24px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--q-teal);
  transition: gap 0.25s var(--ease-out), color 0.2s;
}

.enlace-flecha:hover { gap: 14px; color: var(--q-teal-mid); }

.enlace-flecha svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

/* ═══════════════════════════════════════════════
   QUATRIC PLATFORM (calidad de energia)
═══════════════════════════════════════════════ */
.plataforma {
  padding: var(--section-pad);
  background: var(--q-forest-deep);
  color: var(--q-white);
}

.plataforma-cabeza {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 56px;
}

.plataforma-cabeza .entrada { margin-top: 18px; }

.plataforma-captura {
  border: 1px solid rgba(42, 140, 130, 0.45);
  margin-bottom: 64px;
}

.plataforma-captura img { width: 100%; height: auto; }

.plataforma-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 80px;
  align-items: start;
}

.plataforma-lista > li {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.plataforma-lista h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--q-white);
  margin-bottom: 4px;
}

.plataforma-lista p {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.72);
}

.escala h3 {
  font-family: var(--font-primary);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.escala > p {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 40px;
}

/* La barra respeta los anchos reales de cada banda: 0-49, 50-69, 70-89, 90-100. */
.escala-barra {
  position: relative;
  display: grid;
  grid-template-columns: 50fr 20fr 20fr 10fr;
  height: 14px;
  margin-bottom: 14px;
}

.escala-barra span:nth-child(1) { background: #C0504D; }
.escala-barra span:nth-child(2) { background: #E07B39; }
.escala-barra span:nth-child(3) { background: var(--q-teal-light); }
.escala-barra span:nth-child(4) { background: var(--q-mint); }

.escala-limite {
  position: absolute;
  left: 70%;
  top: -30px;
  bottom: -8px;
  width: 2px;
  background: var(--q-white);
}

.escala-limite b {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--q-white);
}

.escala-numeros {
  position: relative;
  height: 18px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  font-variant-numeric: tabular-nums;
  margin-bottom: 28px;
}

.escala-numeros span { position: absolute; transform: translateX(-50%); }
.escala-numeros span:first-child { transform: none; }
.escala-numeros span:last-child { transform: translateX(-100%); }

.escala-bandas > div {
  display: grid;
  grid-template-columns: 12px 4.5rem minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
}

.escala-bandas i {
  width: 10px;
  height: 10px;
  display: block;
  align-self: center;
}

.escala-bandas dt {
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.6);
}

.escala-bandas dd { color: var(--q-white); }

.plataforma-acceso {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: 40px;
}

.plataforma-acceso p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 34ch;
}

/* ═══════════════════════════════════════════════
   CREDENCIALES
═══════════════════════════════════════════════ */
.credenciales {
  padding: 96px 0;
  background: var(--q-white);
  border-top: 1px solid var(--q-silver);
}

.credenciales-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: 72px;
  align-items: center;
}

.credenciales-grid .titulo { margin-bottom: 16px; }

.credenciales-sellos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--q-silver);
  border: 1px solid var(--q-silver);
}

.sello {
  background: var(--q-white);
  padding: 32px 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sello-logo {
  height: 72px;
  display: flex;
  align-items: center;
}

.sello-logo img {
  max-height: 72px;
  width: auto;
}

.sello-logo {
  min-height: 104px;
}

.sello-logo img.sello-nabcep { max-height: 104px; }

.sello h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--q-forest);
  margin-bottom: 4px;
}

.sello p {
  font-size: 0.86rem;
  color: var(--q-ink-soft);
}

/* ═══════════════════════════════════════════════
   PREGUNTAS
═══════════════════════════════════════════════ */
.preguntas {
  padding: var(--section-pad);
  background: var(--q-cream);
}

.preguntas-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: 72px;
  align-items: start;
}

.preguntas details {
  border-bottom: 1px solid rgba(0, 51, 51, 0.18);
}

.preguntas details:first-child { border-top: 1px solid rgba(0, 51, 51, 0.18); }

.preguntas summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--q-forest);
}

.preguntas summary::-webkit-details-marker { display: none; }

.preguntas summary::after {
  content: '';
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  border-right: 2px solid var(--q-teal);
  border-bottom: 2px solid var(--q-teal);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.25s var(--ease-out);
}

.preguntas details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }

.preguntas details p {
  font-size: 0.95rem;
  color: var(--q-ink-soft);
  max-width: 68ch;
  padding-bottom: 24px;
}

/* ═══════════════════════════════════════════════
   OTROS SERVICIOS
═══════════════════════════════════════════════ */
.otros {
  padding: 88px 0;
  background: var(--q-white);
}

.otros .titulo {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 32px;
}

.otros-lista {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--q-forest);
}

.otros-lista a {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 28px 28px 0;
  transition: background 0.25s, padding 0.25s var(--ease-out);
}

.otros-lista li + li a {
  padding-left: 28px;
  border-left: 1px solid var(--q-silver);
}

.otros-lista strong {
  font-family: var(--font-primary);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--q-forest);
}

.otros-lista span {
  font-size: 0.88rem;
  color: var(--q-ink-soft);
}

.otros-lista em {
  margin-top: 6px;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--q-teal);
}

.otros-lista a:hover strong { color: var(--q-teal); }

/* ═══════════════════════════════════════════════
   CIERRE / CONTACTO
═══════════════════════════════════════════════ */
.cierre {
  position: relative;
  padding: 96px 0;
  background: linear-gradient(100deg, var(--q-forest-deep) 0%, var(--q-teal-dark) 55%, #002828 100%);
  color: var(--q-white);
}

.cierre-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.cierre .titulo { margin-bottom: 18px; }

.cierre-canales {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cierre-canales a {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 16px;
  gap: 18px;
  align-items: center;
  min-height: 64px;
  padding: 16px 22px;
  background: rgba(0, 20, 20, 0.45);
  border: 1px solid rgba(42, 140, 130, 0.35);
  transition: background 0.25s, border-color 0.25s;
}

.cierre-canales a:hover {
  background: rgba(32, 114, 106, 0.28);
  border-color: var(--q-teal-light);
}

.cierre-canales svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--q-mint);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cierre-canales svg.relleno { fill: var(--q-mint); stroke: none; }

.cierre-canales small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.cierre-canales b {
  font-weight: 500;
  font-size: 0.98rem;
}

/* ═══════════════════════════════════════════════
   FOOTER (igual a la home)
═══════════════════════════════════════════════ */
footer {
  background: var(--q-black);
  padding: 64px 0 0;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--q-teal), var(--q-teal-light), var(--q-teal), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1.5fr;
  gap: 56px;
  padding-bottom: 48px;
}

.footer-brand .nav-logo { margin-bottom: 20px; }

.footer-brand p {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  max-width: 290px;
}

.footer-col-title {
  font-family: var(--font-primary);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--q-white);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(32, 114, 106, 0.3);
}

.footer-links {
  display: flex;
  flex-direction: column;
}

.footer-links a,
.footer-contact a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  font-size: 0.84rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.66);
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-contact a:hover { color: var(--q-white); }

.footer-contact svg {
  width: 18px;
  height: 18px;
  stroke: var(--q-teal-light);
  fill: none;
  stroke-width: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 16px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.58);
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 22px;
}

.footer-bottom-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.58);
  transition: color 0.2s;
}

.footer-bottom-links a:hover { color: var(--q-white); }

/* ═══════════════════════════════════════════════
   WHATSAPP
═══════════════════════════════════════════════ */
#wa-fab {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s, box-shadow 0.25s;
}

#wa-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}

#wa-fab svg { width: 26px; height: 26px; fill: #fff; }

/* ═══════════════════════════════════════════════
   REVELADO
   Solo se oculta si el JS cargo: sin JS el contenido queda visible.
═══════════════════════════════════════════════ */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.js .reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal { transform: none; transition: opacity 0.3s ease; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 1280px) {
  #navbar.scrolled { left: 40px; right: 40px; }
}

@media (max-width: 1024px) {
  :root { --section-pad: 88px 0; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { gap: 14px; }

  #navbar.scrolled { left: 16px; right: 16px; border-radius: 12px; }

  .mobile-menu {
    display: flex;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(0, 30, 30, 0.97);
    border-bottom: 1px solid rgba(32, 114, 106, 0.3);
    border-radius: 0 0 16px 16px;
    flex-direction: column;
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    padding: 0 32px;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease, visibility 0s linear 0.4s;
  }

  .mobile-menu.open {
    max-height: 560px;
    opacity: 1;
    visibility: visible;
    padding: 12px 32px 20px;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
  }

  .mobile-menu a {
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    padding: 14px 0;
    border-bottom: 1px solid rgba(32, 114, 106, 0.2);
  }

  .mobile-menu a:last-child { border-bottom: none; }
  .nav-overlay { display: block; }

  .svc-hero { padding: 128px 0 80px; }
  .svc-hero-grid,
  .alcance-grid,
  .caso-grid,
  .plataforma-cabeza,
  .plataforma-grid,
  .metodo-cabeza,
  .credenciales-grid,
  .preguntas-grid,
  .cierre-grid { grid-template-columns: 1fr; gap: 48px; }

  .alcance-intro { position: static; }
  .alcance-foto { max-width: 360px; }

  .metodo-pasos { grid-template-columns: 1fr 1fr; }
  .metodo-paso:nth-child(3) { padding-left: 0; border-left: none; }
  .metodo-paso:nth-child(3)::after { left: 0; }

  .otros-lista { grid-template-columns: 1fr; }
  .otros-lista li + li a { padding-left: 0; border-left: none; border-top: 1px solid var(--q-silver); }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  :root { --section-pad: 72px 0; }

  .container { padding: 0 16px; }

  .svc-hero { padding: 112px 0 64px; }
  .svc-cta > a { width: 100%; }

  .placa { padding: 28px 22px 20px; }
  .placa dl > div { grid-template-columns: 1fr; gap: 2px; }

  .metodo-pasos { grid-template-columns: 1fr; }
  .metodo-paso,
  .metodo-paso + .metodo-paso { padding: 28px 0 8px 24px; border-left: 1px solid rgba(42, 140, 130, 0.45); }
  .metodo-pasos { border-top: none; }
  .metodo-paso::after,
  .metodo-paso + .metodo-paso::after { left: -5px; top: 34px; }

  .caso-datos > div { grid-template-columns: 1fr; gap: 2px; }

  .credenciales-sellos { grid-template-columns: 1fr; }

  .escala-limite b { font-size: 0.6875rem; letter-spacing: 0.08em; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  #wa-fab { bottom: 16px; left: 16px; width: 50px; height: 50px; }
}

/* ═══════════════════════════════════════════════
   404
═══════════════════════════════════════════════ */
.no-encontrada { padding: 180px 0 120px; }
.no-encontrada .svc-h1 { max-width: 14ch; }

.otros-lista.otros-cuatro { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1024px) {
  .otros-lista.otros-cuatro { grid-template-columns: 1fr; }
}

.caso-fotos figcaption {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--q-ink-soft);
}