/* ============================================================
   Q-WASH — sistema visual
   Blanco y negro. Letras anchas y los ▼ del cartel
   (AUTO SPA ▼ BOX1 ▼ BOX2) como señalética.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,400..900&display=swap');

:root {
  --negro: #000000;
  --blanco: #ffffff;
  --gris: #555555;        /* texto secundario sobre blanco */
  --gris-claro: #c2c2c2;  /* texto secundario sobre negro */
  --gris-fondo: #f2f2f2;  /* secciones alternas */
  --linea: rgba(0,0,0,.14);
  --linea-clara: rgba(255,255,255,.18);

  /* Botón principal y foco: negro sobre claro, se invierte en contextos oscuros */
  --btn-bg: var(--negro);
  --btn-fg: var(--blanco);
  --foco: var(--negro);

  --font: 'Archivo', system-ui, sans-serif;

  --t-hero: clamp(2.3rem, 1.2rem + 4vw, 5rem);
  --t-h1: clamp(2rem, 1.1rem + 3.2vw, 4.25rem);
  --t-h2: clamp(1.6rem, 1.15rem + 1.6vw, 2.75rem);
  --t-h3: clamp(1.15rem, 1rem + .4vw, 1.35rem);
  --t-lead: clamp(1.2rem, 1rem + .7vw, 1.55rem);
  --t-body: 1.0625rem;
  --t-small: .9375rem;

  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1320px;
  --nav-h: 68px;
  --r: 2px;
  --sec: clamp(64px, 9vw, 136px);
}

/* Contextos oscuros */
.nav, .hero, .banda, .sec--negro, .signature, .cierre, .puerta, .footer {
  --btn-bg: var(--blanco);
  --btn-fg: var(--negro);
  --foco: var(--blanco);
}
.form { --btn-bg: var(--negro); --btn-fg: var(--blanco); --foco: var(--negro); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--t-body);
  line-height: 1.6;
  color: var(--negro);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--foco); outline-offset: 3px; }

/* ---------- Tipografía ---------- */
.display {
  font-family: var(--font);
  font-stretch: 125%;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -.005em;
  line-height: 1;
  margin: 0;
  text-wrap: balance;
}
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); font-stretch: 112%; line-height: 1.05; }
.h3 { font-size: var(--t-h3); font-weight: 700; line-height: 1.25; margin: 0 0 .5em; }
.lead { font-size: var(--t-lead); line-height: 1.38; font-weight: 500; letter-spacing: -.01em; text-wrap: pretty; }
.muted { color: var(--gris); }
.prose { max-width: 62ch; }
.prose p { text-wrap: pretty; }

/* El ▼ del cartel */
.v::before {
  content: "";
  display: inline-block;
  width: .7em; height: .56em;
  margin-right: .5em;
  background: currentColor;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  vertical-align: .05em;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.sec { padding-block: var(--sec); }
.sec--negro { background: var(--negro); color: var(--blanco); }
.sec--negro .muted { color: var(--gris-claro); }
.sec--gris { background: var(--gris-fondo); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.split--center { align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 600 .9375rem/1 var(--font);
  padding: 16px 22px;
  border-radius: var(--r);
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primario { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }
.btn--primario:hover { background: transparent; color: var(--btn-bg); }
.btn--contorno { background: transparent; color: currentColor; border-color: currentColor; }
.btn--contorno:hover { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 560px) { .btns .btn { flex: 1 1 100%; } }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: var(--negro);
  color: var(--blanco);
  border-bottom: 1px solid var(--linea-clara);
}
.nav__inner {
  max-width: var(--maxw); height: 100%; margin: 0 auto; padding-inline: var(--gutter);
  display: flex; align-items: center; gap: 28px;
}
.logo { display: block; flex: none; }
.logo img { height: 24px; width: auto; }
.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a {
  font-size: .875rem; font-weight: 600; text-decoration: none;
  color: rgba(255,255,255,.66);
  padding-block: 8px;
  transition: color .15s;
}
.nav__links a:hover { color: var(--blanco); }
.nav__links a[aria-current="page"] { color: var(--blanco); }
.nav__links a[aria-current="page"]::before {
  content: ""; display: inline-block; width: .62em; height: .5em; margin-right: .45em;
  background: currentColor; clip-path: polygon(0 0, 100% 0, 50% 100%); vertical-align: .08em;
}
.nav__cta { padding: 12px 18px; }
.nav__toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; padding: 0; border: 0; border-radius: var(--r);
  background: transparent; color: var(--blanco); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav__toggle svg { width: 26px; height: 26px; }
.nav__toggle .i-close { display: none; }
.nav.is-open .nav__toggle .i-open { display: none; }
.nav.is-open .nav__toggle .i-close { display: block; }

@media (max-width: 1020px) {
  .nav__toggle { display: inline-flex; }
  .nav__cta { display: none; }
  .nav__links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--negro);
    padding: 8px var(--gutter) 24px;
    border-bottom: 1px solid var(--linea-clara);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .25s, visibility .25s;
  }
  .nav__links a { font-size: 1.125rem; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav__links .btn { margin-top: 18px; font-size: 1rem; padding: 16px 22px; color: var(--btn-fg); }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
}
@media (min-width: 1021px) { .nav__links .btn { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: clamp(520px, 78svh, 860px);
  display: flex; flex-direction: column; justify-content: flex-end;
  background: var(--negro); color: var(--blanco);
  overflow: hidden;
}
.hero--home { min-height: max(540px, calc(100svh - var(--nav-h) - 50px)); }
.hero__media { position: absolute; inset: 0; z-index: -1; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, center); }
@media (max-width: 900px) and (orientation: portrait) { .hero__media img { object-position: var(--pos-m, center); } }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(0,0,0,.9) 0%, rgba(0,0,0,.45) 40%, rgba(0,0,0,0) 72%),
    linear-gradient(to right, rgba(0,0,0,.7) 0%, rgba(0,0,0,.28) 50%, rgba(0,0,0,0) 75%);
}
@media (max-width: 700px) {
  .hero__media::after { background: linear-gradient(to top, rgba(0,0,0,.94) 0%, rgba(0,0,0,.58) 45%, rgba(0,0,0,.1) 80%); }
}
.hero__body { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter) clamp(32px, 5vw, 56px); }
.hero__title { font-size: var(--t-h1); max-width: 16ch; }
.hero--home .hero__title { font-size: clamp(3.25rem, 1.25rem + 8vw, 8rem); max-width: 15ch; }
.hero--home .hero__media video { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero--home .hero__media::after {
  background: linear-gradient(to top, rgba(0,0,0,.92), rgba(0,0,0,.5) 45%, rgba(0,0,0,.16) 80%),
    linear-gradient(to right, rgba(0,0,0,.5), transparent 75%);
}
.hero--home .hero__tagline { font-size: clamp(1.3rem, 1rem + 1.1vw, 2rem); font-weight: 600; line-height: 1.25; margin: 14px 0 0; text-wrap: balance; }
.hero--home .hero__sub { max-width: 40ch; margin-top: 20px; }
.hero--home .hero__video-toggle {
  position: absolute; top: 24px; right: var(--gutter);
  border: 1px solid rgba(255,255,255,.65); border-radius: var(--r);
  padding: 12px 16px; min-height: 44px;
  font: 600 .8125rem/1.2 var(--font); background: rgba(0,0,0,.7); color: var(--blanco); cursor: pointer;
}
.hero--home .hero__video-toggle:hover { background: var(--negro); }
.hero--home .hero__video-toggle[hidden] { display: none; }
.hero__sub { font-size: var(--t-lead); line-height: 1.35; font-weight: 500; max-width: 34ch; margin: 22px 0 0; color: rgba(255,255,255,.88); text-wrap: pretty; }
.hero .btns { margin-top: 30px; }

/* La banda: señalética como bajo el cartel */
.banda { background: var(--negro); color: var(--blanco); border-top: 1px solid var(--linea-clara); }
.banda__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 16px var(--gutter);
  display: flex; flex-wrap: wrap; gap: 8px clamp(22px, 4vw, 56px);
  font-stretch: 112%; font-weight: 700; font-size: .9375rem;
  text-transform: uppercase; letter-spacing: .04em;
}
.banda a { text-decoration: none; }
.banda a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 560px) { .banda__inner { flex-direction: column; font-size: .875rem; } }

.banda--grande { border-top: 0; }
.banda--grande .banda__inner {
  font-size: clamp(1rem, .8rem + .7vw, 1.4rem); font-stretch: 112%; font-weight: 800; letter-spacing: .02em;
  padding-block: clamp(30px, 4.5vw, 52px); gap: 10px clamp(28px, 4vw, 64px);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__title, .hero__sub, .hero .btns { animation: subir .9s cubic-bezier(.2,.7,.2,1) both; }
  .hero__sub { animation-delay: .12s; }
  .hero .btns { animation-delay: .22s; }
  .hero + .banda .banda__inner > * { animation: aparecer .6s both; }
  .hero + .banda .banda__inner > :nth-child(1) { animation-delay: .45s; }
  .hero + .banda .banda__inner > :nth-child(2) { animation-delay: .55s; }
  .hero + .banda .banda__inner > :nth-child(3) { animation-delay: .65s; }
  .hero + .banda .banda__inner > :nth-child(4) { animation-delay: .75s; }
}
@keyframes subir { from { opacity: 0; transform: translateY(28px); } }
@keyframes aparecer { from { opacity: 0; } }

/* ---------- Fotos ---------- */
.foto { margin: 0; border-radius: var(--r); overflow: hidden; background: var(--gris-fondo); }
.foto img, .foto video { width: 100%; height: 100%; object-fit: cover; }
.foto--34 { aspect-ratio: 3 / 4; }
.foto--45 { aspect-ratio: 4 / 5; }
.foto--32 { aspect-ratio: 3 / 2; }
.foto--169 { aspect-ratio: 16 / 9; }
.foto--video { aspect-ratio: 9 / 16; max-height: 78svh; margin-inline: auto; background: var(--negro); }

/* ---------- Home: nosotros ---------- */
.nosotros {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: max(860px, 56.25vw);
  display: flex; align-items: flex-end;
  background: var(--negro); color: var(--blanco);
}
.nosotros__media { position: absolute; inset: 0; z-index: -1; }
.nosotros__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.nosotros__body { width: 100%; padding-block: 48px; }
.nosotros__panel { max-width: 550px; padding: clamp(24px, 3vw, 40px); background: rgba(0,0,0,.78); }
.nosotros__panel .h2 { margin-bottom: 24px; }
.nosotros__panel .muted { color: rgba(255,255,255,.85); margin-bottom: 0; }
.nosotros__lead { margin-bottom: 1.4em; }
@media (max-width: 880px) {
  .nosotros { display: block; min-height: 0; }
  .nosotros__media { position: relative; display: block; }
  .nosotros__media img { height: auto; }
  .nosotros__body { position: relative; margin-top: -32vw; padding-block: 0 32px; }
  .nosotros__panel { max-width: 620px; }
}

/* Clip informativo compartido por Home y Contacto: cuadro completo. */
.video-ubicacion { width: 100%; max-width: min(500px, 60svh); margin: 0 auto; background: var(--negro); }
.video-ubicacion video { width: 100%; height: auto; aspect-ratio: 500 / 650; object-fit: contain; }

/* Home: "mientras tanto" */
.mientras { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.mientras__intro { max-width: 40ch; margin-bottom: 32px; color: var(--blanco); }
.mientras__lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(20px, 3vw, 40px); }
.mientras__lista li {
  display: flex; align-items: baseline; gap: 12px;
  font-size: clamp(1.05rem, .95rem + .4vw, 1.25rem); font-weight: 600; line-height: 1.3;
  padding: 15px 0;
  border-top: 1px solid var(--linea-clara);
}
.mientras__lista li::before {
  content: ""; flex: none; width: 10px; height: 8px; transform: translateY(-1px);
  background: currentColor; clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.mientras__outro { margin: 32px 0 0; max-width: 46ch; color: var(--gris-claro); }
@media (max-width: 880px) {
  .mientras { grid-template-columns: 1fr; }
  .mientras__video { order: -1; }
}
@media (max-width: 420px) { .mientras__lista { grid-template-columns: 1fr; } }

/* Cierre sobre foto */
.cierre {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: clamp(420px, 70svh, 760px);
  display: flex; align-items: flex-end;
  background: var(--negro); color: var(--blanco);
}
.cierre > picture, .cierre > img { position: absolute; inset: 0; z-index: -1; }
.cierre img { width: 100%; height: 100%; object-fit: cover; }
.cierre::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(0,0,0,.92), rgba(0,0,0,.45) 60%, rgba(0,0,0,.15)),
    linear-gradient(to right, rgba(0,0,0,.6), rgba(0,0,0,0) 70%);
}
.cierre__body { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: var(--sec) var(--gutter) clamp(40px, 6vw, 80px); }
.cierre__title { font-size: var(--t-h1); max-width: 20ch; }
.cierre__pre { font-size: var(--t-lead); font-weight: 500; line-height: 1.35; margin: 0 0 18px; max-width: 36ch; color: rgba(255,255,255,.88); }
.cierre__sub { font-size: var(--t-lead); font-weight: 500; line-height: 1.35; margin: 22px 0 0; max-width: 36ch; color: rgba(255,255,255,.88); }
.cierre__bar { display: block; width: clamp(80px, 12vw, 160px); height: 6px; background: var(--blanco); margin-bottom: 28px; }

/* Puertas a las secciones */
.puertas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.puerta {
  position: relative; isolation: isolate; overflow: hidden;
  aspect-ratio: 3 / 4; border-radius: var(--r);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(20px, 2.4vw, 32px);
  color: var(--blanco); text-decoration: none;
  background: var(--negro);
}
.puerta img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1), filter .5s; filter: grayscale(1); }
.puerta::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(0,0,0,.88), rgba(0,0,0,.08) 62%); }
.puerta:hover img, .puerta:focus-visible img { transform: scale(1.04); filter: grayscale(0); }
.puerta__nombre { font-stretch: 118%; font-weight: 800; text-transform: uppercase; font-size: clamp(1.2rem, 1rem + .6vw, 1.55rem); line-height: 1; margin: 0 0 10px; }
.puerta__nombre::after {
  content: ""; display: block; height: 4px; width: 48px; margin-top: 14px;
  background: currentColor; transition: width .4s cubic-bezier(.2,.7,.2,1);
}
.puerta:hover .puerta__nombre::after, .puerta:focus-visible .puerta__nombre::after { width: 96px; }
.puerta__txt { margin: 0; color: rgba(255,255,255,.85); font-size: var(--t-small); max-width: 30ch; }
@media (hover: none) { .puerta img { filter: none; } }
@media (max-width: 880px) {
  .puertas { grid-template-columns: 1fr; }
  .puerta { aspect-ratio: 4 / 3; }
}

/* ---------- Listas con ▼ ---------- */
.lista { list-style: none; margin: 0; padding: 0; }
.lista > li {
  position: relative;
  padding: 18px 0 18px 30px;
  border-top: 1px solid var(--linea);
}
.lista > li:last-child { border-bottom: 1px solid var(--linea); }
.lista > li::before {
  content: ""; position: absolute; left: 0; top: 25px;
  width: 12px; height: 9px; background: currentColor;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.lista b, .lista strong { font-weight: 700; }
.sec--negro .lista > li, .signature .lista > li { border-color: var(--linea-clara); }

/* ---------- Auto Spa ---------- */
.marcas { margin-top: 40px; }
.marcas__lbl { font-size: var(--t-small); color: var(--gris); margin: 0 0 12px; }
.marcas__lista { list-style: none; margin: 0; padding: 24px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 40px; border-block: 1px solid var(--linea); }
.marcas__lista li { display: flex; align-items: center; justify-content: center; }
.marcas__lista img { width: 100%; max-width: 250px; height: 96px; object-fit: contain; }
@media (max-width: 720px) {
  .marcas__lista { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .marcas__lista img { height: 86px; }
}

.signature { display: grid; grid-template-columns: 1fr 1fr; min-height: 640px; background: var(--negro); color: var(--blanco); }
.signature__foto { position: relative; overflow: hidden; min-height: 360px; }
.signature__foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.signature__body { padding: var(--sec) var(--gutter); max-width: 680px; }
.signature .muted { color: var(--gris-claro); }
.signature__kicker { font-size: var(--t-lead); font-weight: 500; color: var(--gris-claro); margin: 14px 0 26px; }
.signature .lista { margin: 30px 0 36px; }
@media (max-width: 880px) { .signature { grid-template-columns: 1fr; } .signature__foto { aspect-ratio: 4 / 3; min-height: 0; } }

.trat { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: start; margin-top: 48px; }
.trat__foto { position: sticky; top: calc(var(--nav-h) + 24px); }
.trat__grupo + .trat__grupo { margin-top: 48px; }
.trat__grupo .h3 { font-stretch: 112%; font-size: clamp(1.2rem, 1rem + .6vw, 1.5rem); margin-bottom: 14px; }
.trat__grupo .lista > li { color: var(--gris); }
.trat__grupo .lista > li::before { background: var(--negro); }
.trat__grupo .lista b { color: var(--negro); }
@media (max-width: 880px) { .trat { grid-template-columns: 1fr; } .trat__foto { position: static; aspect-ratio: 4 / 3; } .trat__foto img { object-position: 50% 75%; } }

.cta-final .btns { margin-top: 28px; }

/* ---------- Corporativo ---------- */
.form { color: var(--negro); background: var(--blanco); border-radius: var(--r); padding: clamp(24px, 4vw, 48px); }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form__full { grid-column: 1 / -1; }
.campo label { display: block; font-size: var(--t-small); font-weight: 600; margin-bottom: 7px; }
.campo label span { font-weight: 400; color: var(--gris); }
.campo input, .campo textarea, .campo select {
  width: 100%; font: 400 1rem/1.4 var(--font); color: var(--negro);
  padding: 13px 14px; border: 1px solid #c4c4c4; border-radius: var(--r);
  background: var(--blanco);
  transition: border-color .15s, box-shadow .15s;
}
.campo textarea { min-height: 120px; resize: vertical; }
.campo input:focus, .campo textarea:focus, .campo select:focus { outline: none; border-color: var(--negro); box-shadow: 0 0 0 1px var(--negro); }
.campo input:user-invalid { border-color: var(--negro); box-shadow: 0 0 0 1px var(--negro); background: var(--gris-fondo); }
.form__nota { font-size: var(--t-small); color: var(--gris); margin: 14px 0 0; }
.form .btn { margin-top: 26px; }
@media (max-width: 620px) { .form__grid { grid-template-columns: 1fr; } .form .btn { width: 100%; } }

/* ---------- Tecnología ---------- */
.tec-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.tec-intro .foto--video { max-width: 400px; }
@media (max-width: 880px) { .tec-intro { grid-template-columns: 1fr; } }
.beneficios__lista > li { color: var(--gris); }
.beneficios__lista > li::before { background: var(--negro); }
.beneficios__lista b { color: var(--negro); display: block; margin-bottom: 2px; }

/* ---------- Contacto ---------- */
.datos { margin: 0; }
.datos > div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--linea); }
.datos > div:last-child { border-bottom: 1px solid var(--linea); }
.datos dt { font-weight: 700; }
.datos dd { margin: 0; color: var(--gris); }
.datos dd a { color: var(--negro); font-weight: 600; text-underline-offset: 3px; }
@media (max-width: 480px) { .datos > div { grid-template-columns: 1fr; gap: 2px; } }
.mapa { margin-top: 16px; aspect-ratio: 16 / 8; border-radius: var(--r); overflow: hidden; background: var(--gris-fondo); }
.mapa iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(1); }
@media (max-width: 720px) { .mapa { aspect-ratio: 4 / 5; } }

/* ---------- Footer ---------- */
.footer { background: var(--negro); color: rgba(255,255,255,.72); border-top: 1px solid var(--linea-clara); }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto; padding: clamp(48px, 6vw, 80px) var(--gutter) 36px;
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px;
}
.footer .logo img { height: 28px; }
.footer__lema { margin: 18px 0 0; max-width: 24ch; font-size: var(--t-small); }
.footer h2 { font-size: .9375rem; font-weight: 700; color: var(--blanco); margin: 0 0 12px; }
.footer p { font-size: var(--t-small); margin: 0 0 6px; }
.footer a { text-decoration: none; color: var(--blanco); }
.footer a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer__nav { list-style: none; margin: 0; padding: 0; font-size: var(--t-small); }
.footer__nav li + li { margin-top: 6px; }
.footer__nav a { color: rgba(255,255,255,.72); }
.footer .footer__legal {
  max-width: var(--maxw); margin: 0 auto; padding: 20px var(--gutter) 28px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .8125rem; color: rgba(255,255,255,.5);
}
@media (max-width: 880px) { .footer__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__inner { grid-template-columns: 1fr; } }

/* WhatsApp flotante en mobile */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 40;
  width: 56px; height: 56px; border-radius: 50%;
  display: none; align-items: center; justify-content: center;
  background: var(--negro); color: var(--blanco);
  border: 1.5px solid rgba(255,255,255,.7);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.wa-float svg { width: 26px; height: 26px; }
@media (max-width: 1020px) { .wa-float { display: inline-flex; } }

/* Utilidades */
.mb-lg { margin-bottom: clamp(28px, 4vw, 48px); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 12px 16px; background: var(--blanco); color: var(--negro); font-weight: 600; border-radius: var(--r); }
.skip:focus { left: 8px; }