:root {
  /* Paleta base (colores del logo: negro, grises y blanco) */
  --color-brand-darker: #0A0A0A;     /* Profundización para secciones */

  /* Derivaciones (tints/shades en la misma familia neutra) */
  --color-primary-lighter: #EDEDED;  /* Casi blanco para highlights (ajustado) */
  --color-primary: #C2C2C2;          /* Gris claro principal = texto del logo (ajustado) */
  --color-primary-mid: #AFAFAF;      /* Gris medio de transición (ajustado) */
  --color-primary-dark: #6E6E6E;     /* Gris oscuro del isotipo (hover/énfasis) */

  /* Alias para compatibilidad previa */
  --color-primary-rgb: 194,194,194;  /* RGB del gris del logo (ajustado) */

  /* Texto y fondos (modo oscuro coherente con el logo) */
  --color-text: #D3D3D3;             /* Un punto más claro para mejor contraste (ajustado) */
  --color-muted: #9A9A9A;            /* Texto secundario */
  --color-bg: #0A0A0A;               /* Fondo base (negro suave) */
  --color-bg-alt: #141414;           /* Paneles / tarjetas */
  --color-border: #2A2A2A;           /* Bordes sutiles en oscuro */

  /* Layout */
  --container-width: 1200px;
  --gutter: 2rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-full: 999px;

  /* Sombras (neutras, discretas en UI oscura) */
  --shadow-sm: 0 4px 10px -4px rgba(0,0,0,.35);
  --shadow-md: 0 8px 26px -10px rgba(0,0,0,.5);
  --shadow-lg: 0 22px 50px -18px rgba(0,0,0,.65);

  /* Timing */
  --transition: .35s cubic-bezier(.16,.8,.32,1);
  --color-brand-dark: #181818;         /* Fondo caja */
  --color-brand-light: #d3d3d3;        /* Texto y bordes */
  --color-brand-xlight: #fff;          /* Botón principal y highlights */
  --color-btn-bg: #fff;
  --color-btn-text: #222;
  --color-btn-border: #d3d3d3;
  --radius-hero: 32px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-lighter); }
:focus-visible { outline: 3px solid rgba(var(--color-primary-rgb), .65); outline-offset: 2px; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-brand-dark);
  padding: .8rem 1.2rem;
  z-index: 200;
  font-weight: 600;
  border-radius: 0 0 6px 0;
  transition: top .25s;
}
.skip-link:focus { top: 0; }

.section { padding: clamp(3rem, 6vw, 5.5rem) 0; }

.section__title {
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  text-align: center;
  margin: 0 0 3rem;
  letter-spacing: .045em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-brand-light);
}

.highlight { color: var(--color-primary-lighter); font-weight: 600; }
.u-muted { color: var(--color-muted); }
.u-hidden {
  position: absolute !important; width: 1px !important; height: 1px !important;
  overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(0,0,0,.92);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(var(--color-primary-rgb), .12);
}

.header__inner {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand__logo { height: 60px; width: auto; }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-size: .88rem;
  letter-spacing: .02em;
}

.brand__name {
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--color-brand-light);
  line-height: 1;
}
.brand__name--alt { color: var(--color-primary); }
.brand__tagline {
  font-weight: 300;
  color: var(--color-primary-mid);
  margin-top: .25rem;
}

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--color-brand-light);
  padding: .6rem;
  border-radius: 6px;
  transition: background var(--transition);
}
.nav__toggle:focus-visible,
.nav__toggle:hover { background: rgba(var(--color-primary-rgb), .12); }
.nav__toggle-bar {
  width: 26px;
  height: 3px;
  background: var(--color-brand-light);
  display: block;
  margin: 4px 0;
  border-radius: 2px;
  transition: transform .4s, opacity .3s;
}

.nav__list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  gap: 2.2rem;
  align-items: center;
}

.nav__list a {
  font-weight: 400;
  position: relative;
  padding: .55rem .1rem;
  color: var(--color-primary-lighter);
  font-size: .92rem;
  letter-spacing: .03em;
  line-height: 1.1;
  transition: color var(--transition);
}

.nav__list a.is-active,
.nav__list a:hover { color: var(--color-primary); }

.nav__list a.is-active::after,
.nav__list a:hover::after {
  content: "";
  position: absolute;
  left: 0; bottom: -.35rem;
  height: 3px;
  width: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), .35);
}

/* ABOUT / GENERIC MEDIA GRID */
.about__grid {
  display: grid;
  gap: 3.3rem 4rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
}

.about__media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  isolation: isolate;
}

.about__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 5/4;
  transition: transform var(--transition), filter var(--transition);
  filter: saturate(.94);
  transform: scale(1.02);
}
.about__media:hover img { transform: scale(1.06); filter: saturate(1); }

.about__bullets {
  margin: 1.2rem 0 1.8rem;
  padding: 0 0 0 1.1rem;
  display: grid;
  gap: .55rem;
  font-size: .97rem;
  line-height: 1.45;
}
.about__bullets li::marker { color: var(--color-primary-dark); }

/* SERVICES (tarjetas reutilizadas en páginas internas) */
.services__grid {
  display: grid;
  gap: 2.4rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}

.service-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  isolation: isolate;
  border: 1px solid var(--color-border);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-mid);
}

.service-card__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #121212;
}

.service-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(.94) saturate(.92);
  transition: transform var(--transition), filter var(--transition);
}

.service-card:hover .service-card__media img {
  transform: scale(1.08);
  filter: brightness(1) saturate(1);
}

.service-card__icon {
  position: absolute;
  top: .75rem;
  right: .75rem;
  display: grid;
  place-items: center;
  background: var(--color-brand-dark);
  color: var(--color-brand-light);
  width: 50px;
  height: 50px;
  font-size: 1.25rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.service-card__body {
  padding: 1.7rem 1.4rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  flex: 1;
}

.service-card__title {
  font-size: 1.25rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--color-brand-light);
}

.service-card__cta {
  margin-top: auto;
  font-weight: 500;
  color: var(--color-primary-lighter);
  position: relative;
  width: fit-content;
  padding-bottom: 2px;
  transition: color var(--transition);
}

.service-card__cta::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 0;
  background: var(--color-primary-dark);
  transition: width var(--transition), background var(--transition);
}
.service-card__cta:hover { color: var(--color-primary); }
.service-card__cta:hover::after { width: 100%; }

.service-card--accent {
  background: linear-gradient(158deg,#151515,#0f0f0f 55%);
  border: 1px solid var(--color-border);
}

/* CLIENTS */
.clients__grid {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 2.6rem clamp(2rem, 5vw, 4.5rem);
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  align-items: center;
  justify-items: center;
}

.client {
  filter: grayscale(1) brightness(.9);
  opacity: .55;
  transition: filter var(--transition), opacity var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .6rem;
  max-height: 76px;
}

.client img { max-width: 140px; max-height: 60px; object-fit: contain; }

.client:hover {
  filter: grayscale(.15) brightness(1);
  opacity: 1;
  transform: translateY(-4px);
}

.client--featured {
  background: var(--color-primary-lighter);
  border-radius: 6px;
  padding: .9rem .9rem;
  filter: none;
  opacity: 1;
  box-shadow: 0 0 0 3px var(--color-primary-mid) inset;
}

.clients__subtitle {
  text-align: center;
  margin-top: 4.2rem;
  font-size: 1.25rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-brand-light);
}

.clients__grid--faded .client {
  opacity: .35;
  filter: grayscale(1) brightness(.9);
}
.clients__grid--faded .client:hover {
  opacity: .9;
  filter: grayscale(.15) brightness(1);
}

/* FOOTER (sección amplia) */
.footer {
  background: var(--color-brand-darker);
  color: var(--color-primary-mid);
  margin-top: 4rem;
  position: relative;
}

.footer__grid {
  display: grid;
  gap: 3rem 4rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  padding: 4rem 0 2rem;
}

.footer__title {
  margin: 0 0 1.1rem;
  font-size: 1.05rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-brand-light);
}

.footer__list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: .55rem;
  font-size: .92rem;
}

.footer__list a {
  color: var(--color-primary);
  transition: color var(--transition);
}
.footer__list a:hover { color: var(--color-primary-dark); }

.contact-form { display: grid; gap: .85rem; }

.form-field { display: flex; flex-direction: column; gap: .35rem; }

.form-label {
  font-size: .7rem;
  letter-spacing: .09em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary-mid);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: .75rem .9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-primary-lighter);
  font-family: inherit;
  font-size: .9rem;
  resize: vertical;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary-mid);
  background: #1b1b1b;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), .25);
}

.form-disclaimer {
  font-size: .65rem;
  line-height: 1.3;
  color: var(--color-muted);
  margin: .3rem 0 0;
}

.footer__bottom {
  border-top: 1px solid #1b1b1b;
  text-align: center;
  padding: 1.4rem 0 1.8rem;
  font-size: .78rem;
  color: var(--color-primary-dark);
}

/* BOTONES */
.btn {
  --btn-bg: var(--color-primary);
  --btn-color: var(--color-brand-dark);
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 600;
  padding: .85rem 1.6rem;
  font-size: .93rem;
  border-radius: var(--radius-full);
  background: var(--btn-bg);
  color: var(--btn-color);
  line-height: 1.1;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition), color var(--transition);
  letter-spacing: .02em;
  text-decoration: none;
  position: relative;
  border: 1px solid var(--color-primary-mid);
}

.btn--primary {
  background: linear-gradient(92deg, var(--color-primary), var(--color-primary-mid));
  color: var(--color-brand-dark);
  box-shadow: 0 4px 14px -4px rgba(0,0,0,.45);
}

.btn--primary:hover {
  background: linear-gradient(92deg, var(--color-primary-mid), var(--color-primary-dark));
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -6px rgba(0,0,0,.55);
}

.btn--ghost {
  --btn-bg: rgba(var(--color-primary-rgb), .12);
  --btn-color: var(--color-brand-light);
  border: 1px solid rgba(var(--color-primary-rgb), .28);
  backdrop-filter: blur(5px);
}
.btn--ghost:hover {
  background: rgba(var(--color-primary-rgb), .22);
  color: var(--color-brand-light);
}

.btn--outline {
  background: transparent;
  color: var(--color-brand-light);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-brand-dark);
}

.btn--dark {
  --btn-bg: var(--color-brand-dark);
  --btn-color: var(--color-brand-light);
  border: 1px solid var(--color-primary-mid);
}
.btn--dark:hover {
  background: var(--color-brand-darker);
}

.btn--sm { padding: .55rem 1.2rem; font-size: .78rem; font-weight: 500; }
.btn--full { width: 100%; }

/* NAV Responsive */
@media (max-width: 900px) {
  .nav__toggle { display: inline-block; }
  .nav__list {
    position: absolute;
    top: 84px; right: 0;
    background: rgba(0,0,0,.98);
    flex-direction: column;
    width: 260px;
    padding: 1.5rem 1.4rem 1.9rem;
    box-shadow: var(--shadow-md);
    border-radius: 0 0 0 14px;
    transform-origin: top right;
    transform: scale(.95) translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border: 1px solid rgba(var(--color-primary-rgb), .12);
  }
  .nav__list.is-open {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
  }
  .nav__list a::after { display: none; }
  .nav__list a { padding: .6rem 0; width: 100%; }
  body.menu-open { overflow: hidden; }
  .nav__toggle.is-active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav__toggle.is-active .nav__toggle-bar:nth-child(2) { opacity: 0; }
  .nav__toggle.is-active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Ajustes móviles */
@media (max-width: 620px) {
  .hero__box { padding: 1.6rem 1.15rem 2.1rem; }
  .hero__title { font-size: 1.5rem; }
  .hero__lead { font-size: .9rem; }
}

/* Hero multimedia base */
.hero {
  position: relative;
  min-height: clamp(520px, 70vh, 680px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Contenedor multimedia */
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--color-brand-dark); /* fallback si el video tarda */
}

/* Poster / imagen de respaldo */
.hero__poster-wrapper,
.hero__poster,
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Poster visible antes del video */
.hero__poster {
  filter: brightness(.60) saturate(.9);
  transition: opacity .8s ease;
  opacity: 1;
}

/* Video */
.hero__video {
  opacity: 1;
  filter: brightness(.60) saturate(.95);
  transition: opacity 1s ease;
  will-change: opacity;
}

/* Cuando el video está listo (ver JS) */
.hero--video.is-ready .hero__video { opacity: 1; }
.hero--video.is-ready .hero__poster { opacity: 0; }

/* Overlay */
.hero__overlay--brand {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg,
    rgba(0,0,0,.80),
    rgba(0,0,0,.55),
    rgba(0,0,0,.88));
}

/* Contenido encima */
.hero__content,
.hero__box {
  position: relative;
  z-index: 2;
}

/* Accesibilidad (reduce motion) */
@media (prefers-reduced-motion: reduce) {
  .hero__video { display: none !important; }
  .hero__poster { opacity: 1 !important; }
}

/* Ajuste móvil extra */
@media (max-width: 600px) {
  .hero__box {
    padding: 1.6rem 1.2rem 2rem;
  }
  .hero__title { font-size: 1.55rem; }
  .hero__lead { font-size: .9rem; }
}

/* === CONTACT SECTION (neutra) === */
.contact-section {
  padding: clamp(3rem, 6vw, 5rem) 0 3.5rem;
  background: linear-gradient(145deg, var(--color-brand-dark), #151515);
  color: var(--color-primary-lighter);
  position: relative;
}

.contact-section__grid {
  display: grid;
  gap: 3rem clamp(2rem,5vw,4rem);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.contact-section__col { position: relative; }

.contact-section__intro {
  font-size: 1rem;
  line-height: 1.5;
  max-width: 540px;
  margin: 0 0 1.2rem;
  color: var(--color-primary-mid);
}

.contact-info {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  font-size: .95rem;
  line-height: 1.4;
}

.contact-info li + li { margin-top: .4rem; }
.contact-info a { color: var(--color-primary); text-decoration: none; }
.contact-info a:hover { text-decoration: underline; }

.contact-location {
  font-size: .85rem;
  line-height: 1.4;
  color: var(--color-primary-dark);
}

.contact-section__col--form {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  padding: 1.8rem 1.6rem 2rem;
  border-radius: 18px;
  backdrop-filter: blur(6px);
}

.contact-form__title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
}

.contact-form .form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: .9rem;
}

.contact-form .form-label {
  font-size: .75rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: .35rem;
  color: var(--color-primary-mid);
}

.contact-form input,
.contact-form textarea {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--color-primary-lighter);
  padding: .65rem .85rem;
  font: inherit;
  border-radius: 10px;
  outline: none;
  transition: border-color .25s, background .25s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,.12);
}

.contact-form textarea { resize: vertical; }

.contact-form .btn--full {
  width: 100%;
  margin-top: .4rem;
}

.contact-form .form-disclaimer {
  margin: .9rem 0 0;
  font-size: .7rem;
  line-height: 1.3;
  color: var(--color-muted);
}

.contact-form .form-disclaimer a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* === MINIMAL SITE FOOTER === */
.site-footer {
  background: var(--color-brand-darker);
  color: #c3d2dc;
  padding: 1.2rem 0;
  font-size: .85rem;
  border-top: 1px solid rgba(255,255,255,.08);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.site-footer__left { justify-self: start; }
.site-footer__center { justify-self: center; text-align: center; }
.site-footer__right { justify-self: end; }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
}
.footer-brand__logo {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer-email {
  font-weight: 500;
  color: var(--color-primary-lighter);
  text-decoration: none;
  margin-right: .5rem;
}
.footer-email:hover { text-decoration: underline; }

.footer-copy {
  display: inline-block;
  margin-left: .5rem;
  color: var(--color-primary-dark);
  font-size: .78rem;
}

.footer-divider { margin: 0 .4rem; color: #5e7686; }

.social-links {
  list-style: none;
  display: flex;
  gap: .75rem;
  padding: 0;
  margin: 0;
}

.social-links a {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  background: var(--color-brand-darker);
  transition: background .3s, border-color .3s, transform .25s;
}

.social-links a:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.32);
  transform: translateY(-2px);
}

.social-links img.icon {
  width: 18px;
  height: 18px;
  display: block;
  filter: brightness(1.15);
}

/* Responsivo */
@media (max-width: 820px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .site-footer__left,
  .site-footer__center,
  .site-footer__right {
    justify-self: center;
  }
  .footer-brand__logo {
    height: 42px;
  }
  .footer-email { display: block; margin: 0 0 .4rem; }
  .footer-divider { display: none; }
}

@media (max-width: 520px) {
  .contact-section__grid {
    grid-template-columns: 1fr;
  }
  .contact-section__col--form {
    margin-top: .5rem;
  }
}

/* Bloque de contacto (lado izquierdo) */
.footer-contact {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
  font-size: .72rem;
}

.footer-phone,
.footer-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: .4px;
  padding: .42rem .85rem;
  border: 1px solid rgba(255,255,255,.32);
  background: rgba(255,255,255,.08);
  color: var(--color-primary-lighter);
  border-radius: 999px;
  transition: background .28s, border-color .28s;
  line-height: 1;
  position: relative;
}

.footer-phone__label {
  opacity: .75;
  font-weight: 600;
  text-transform: uppercase;
  font-size: .6rem;
  letter-spacing: 1px;
}

.footer-phone:hover,
.footer-whatsapp:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.55);
}

.footer-whatsapp {
  background: linear-gradient(135deg,#1fae58,#23c866);
  border-color: rgba(255,255,255,.18);
  color: #0F1D2B; /* Mantiene contraste en el chip verde */
  font-weight: 600;
  letter-spacing: .5px;
  box-shadow: 0 4px 10px -4px rgba(35,200,102,.55);
}

.footer-whatsapp:hover {
  filter: brightness(1.08);
}

/* Responsive ajuste */
@media (max-width: 880px) {
  .footer-contact {
    justify-content: center;
  }
}
/* ========== TEMA CLARO GLOBAL (resto del sitio) ========== */
:root {
  --color-text: #1F2937;
  --color-muted: #6B7280;
  --color-bg: #F8FAFC;
  --color-bg-alt: #FFFFFF;
  --color-border: #E5E7EB;

  /* Acentos neutros que no rompen con el logo */
  --color-primary: #334155;
  --color-primary-mid: #475569;
  --color-primary-dark: #0F172A;
  --color-primary-lighter: #111827;

  --color-heading: #111827;
}

body { background: var(--color-bg); color: var(--color-text); }

/* Títulos en claro */
.section__title,
.service-card__title,
.clients__subtitle { color: var(--color-heading); }

.service-card {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

/* ========== ZONAS OSCURAS (solo header, footer, contacto) ========== */
.site-header,
.footer,
.site-footer,
.contact-section {
  --color-text: #D3D3D3;
  --color-muted: #9A9A9A;
  --color-bg: #0A0A0A;
  --color-bg-alt: #141414;
  --color-border: #2A2A2A;

  --color-primary-lighter: #EDEDED;
  --color-primary: #C2C2C2;
  --color-primary-mid: #AFAFAF;
  --color-primary-dark: #6E6E6E;

  --color-primary-rgb: 194,194,194;
  --color-heading: var(--color-brand-light);
}

/* Utilidades de contexto para contenido embebido (como logos dentro de secciones) */
.on-dark {
  --color-text: #D3D3D3;
  --color-muted: #9A9A9A;
  --color-bg: #0A0A0A;
  --color-bg-alt: #141414;
  --color-border: #2A2A2A;

  --color-primary-lighter: #EDEDED;
  --color-primary: #C2C2C2;
  --color-primary-mid: #AFAFAF;
  --color-primary-dark: #6E6E6E;
  --color-primary-rgb: 194,194,194;
  --color-heading: var(--color-brand-light);
}

.on-light {
  --color-text: #1F2937;
  --color-muted: #6B7280;
  --color-bg: #F8FAFC;
  --color-bg-alt: #FFFFFF;
  --color-border: #E5E7EB;

  --color-primary: #334155;
  --color-primary-mid: #475569;
  --color-primary-dark: #0F172A;
  --color-primary-lighter: #111827;
  --color-heading: #111827;
}

/* Swap de logo por contexto (dos <img>, uno por variante) */
.brand__logo { height: 60px; width: auto; display: block; }
.logo--darkbg { display: inline-block; }  /* claro sobre fondo oscuro */
.logo--lightbg { display: none; }         /* oscuro sobre fondo claro */

/* En contenedores claros, mostramos la variante para fondo claro */
.on-light .logo--darkbg { display: none; }
.on-light .logo--lightbg { display: inline-block; }

/* Header/footer/contacto ya son oscuros: aseguran la variante darkbg */
.site-header .logo--darkbg,
.footer .logo--darkbg,
.site-footer .logo--darkbg,
.contact-section .logo--darkbg { display: inline-block; }
.site-header .logo--lightbg,
.footer .logo--lightbg,
.site-footer .logo--lightbg,
.contact-section .logo--lightbg { display: none; }

/* Hero más luminoso (opcional) */
.hero__overlay--brand {
  background: linear-gradient(135deg, rgba(0,0,0,.25), rgba(0,0,0,.12), rgba(0,0,0,.28));
}
.tnav {
  justify-self: end;
  width: 42px; height: 42px;
  display: inline-grid; place-items: center;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-brand-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.tnav--next { justify-self: start; }
.tnav:hover { transform: translateY(-2px); border-color: var(--color-primary-mid); }
.tnav svg { width: 22px; height: 22px; }



.hero {
  background: #000;
  min-height: clamp(540px, 70vh, 680px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__overlay--brand {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(0,0,0,.80),
    rgba(30,30,30,.55),
    rgba(0,0,0,.88));
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.hero__box {
  background: rgba(24,24,24,0.90); /* Gris muy oscuro y opaco */
  padding: clamp(2.5rem, 8vw, 4rem);
  max-width: 1100px;
  text-align: center;
  border-radius: var(--radius-hero);
  box-shadow: 0 20px 45px -12px rgba(0,0,0,.55);
  border: 1px solid rgba(211,211,211,.12);
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-brand-xlight);
  margin: 0 0 1rem 0;
}

.hero__lead {
  color: var(--color-brand-light);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.hero__actions {
  margin-top: 2rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn--primary {
  background: var(--color-btn-bg);
  color: var(--color-btn-text);
  font-weight: bold;
  border-radius: 2rem;
  padding: 0.9rem 2.2rem;
  font-size: 1.13rem;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  transition: background .2s, color .2s;
}
.btn--primary:hover {
  background: var(--color-brand-light);
  color: #000;
}

.btn--ghost {
  background: transparent;
  color: var(--color-brand-light);
  border: 2px solid var(--color-btn-border);
  font-weight: bold;
  border-radius: 2rem;
  padding: 0.9rem 2.2rem;
  font-size: 1.13rem;
  transition: background .2s, color .2s, border-color .2s;
}
.btn--ghost:hover {
  background: var(--color-brand-dark);
  color: var(--color-brand-xlight);
  border-color: var(--color-brand-xlight);
}/* Ejemplo de clase para el texto que no se ve */
.hero__title .highlight {
  color: #fff;           /* blanco */
  font-weight: 700;
  /* Si necesitas más contraste, puedes probar con sombra */
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.section--brand-cta {
  background: #fff; /* Fondo claro */
  padding: 4rem 0 3rem 0;
}

.section__title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  color: #222;         /* Título oscuro */
  margin-bottom: 1.6rem;
  font-weight: 700;
}

.section__title .highlight {
  color: #333;         /* Destacado oscuro */
  font-weight: bold;
  letter-spacing: .5px;
}

.section__lead {
  max-width: 720px;
  margin: 0 auto 2.2rem auto;
  text-align: center;
  color: #444;
  font-size: 1.12rem;
  line-height: 1.6;
}

.section__actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Botón principal: fondo negro, texto blanco */
.btn--primary {
  background: #000;
  color: #fff;
  font-weight: bold;
  border-radius: 2rem;
  padding: 0.8rem 2.1rem;
  font-size: 1.08rem;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.10);
  transition: background .2s, color .2s;
}
.btn--primary:hover {
  background: #444;
  color: #fff;
}

/* Botón secundario: fondo blanco, borde negro */
.btn--ghost {
  background: #fff;
  color: #222;
  border: 2px solid #222;
  font-weight: bold;
  border-radius: 2rem;
  padding: 0.8rem 2.1rem;
  font-size: 1.08rem;
  transition: background .2s, color .2s, border-color .2s;
}
.btn--ghost:hover {
  background: #eee;
  color: #000;
  border-color: #000;
}
.clients.section {
  background: #fff; /* Fondo blanco, igual que las demás secciones */
  padding: 5rem 0 5rem 0;
}

.section__title {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  color: #222;
  font-weight: 700;
  margin-bottom: 2rem;
}

.section__title .highlight {
  color: #000;
  font-weight: bold;
}

.clients__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2.6rem 2.2rem; /* Espacio aireado entre logos */
  justify-items: center;
  align-items: center;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 920px;
}

.client img {
  display: block;
  max-width: 120px;
  max-height: 60px;
  width: auto;
  height: auto;
  margin: 0 auto;
  filter: grayscale(0.1); /* Muy sutil para que combine con el estilo, puedes ajustar a 0 para color full */
  transition: filter .2s, transform .2s;
}

.client--featured img {
  filter: none; /* Destacado: sin filtro */
  transform: scale(1.07); /* Un poco más grande */
  box-shadow: 0 4px 28px -10px rgba(0,0,0,0.10);
  border-radius: 12px;
}

.client img:hover {
  filter: none;
  transform: scale(1.08);
}

/* Responsive: para que no se comprima en móvil */
@media (max-width: 700px) {
  .clients__grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 1.5rem 1rem;
    max-width: 100%;
  }
  .section__title {
    font-size: 1.2rem;
  }
}