@import url('../fonts/fonts.css');

/* ============================================================
   mm2 arquitectos — tokens
   Paleta oficial del brandbook (Molcajete Diseño, 2023)
   ============================================================ */
:root {
  --primary:   #3C4459;   /* Pantone 7546 C */
  --secondary: #8897A3;   /* Pantone 5435 C */
  --ink:       #1C2029;
  --slate:     #5C6773;   /* texto secundario — 5.8:1 sobre blanco */
  --paper:     #FFFFFF;
  --mist:      #F4F6F8;
  --line:      #D9DEE4;
  --wa:        #25D366;

  /* CTA — terracota. El cliente eligió esta opción el 9 ago 2026. */
  --cta:       #C8622F;
  --cta-hover: #AE5326;
  --cta-ink:   #FFFFFF;

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --wrap: 1200px;
  --gap: clamp(1.25rem, 3vw, 2rem);
  --section-y: clamp(4.5rem, 10vw, 10rem);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

a { color: inherit; }
:focus-visible { outline: 3px solid var(--cta); outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section--mist { background: var(--mist); }

.eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);          /* AA: --secondary da 3.0:1, insuficiente en texto chico */
  display: flex; align-items: center; gap: .7rem;
  margin: 0 0 1.25rem;
}
.eyebrow::before { content: ""; width: 2rem; height: 1px; background: currentColor; flex: none; }

.h2 { font-size: clamp(1.85rem, 4vw, 2.9rem); font-weight: 700; }
.lede { color: var(--slate); font-size: 1.05rem; max-width: 62ch; margin: 1.1rem 0 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-family: var(--font-display);
  font-size: .95rem; font-weight: 500; letter-spacing: .01em;
  padding: .95rem 1.7rem;
  border: 1px solid transparent; border-radius: 2px;
  text-decoration: none; cursor: pointer;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn--primary { background: var(--cta); color: var(--cta-ink); }
.btn--primary:hover { background: var(--cta-hover); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 60;
  transition: background-color .28s var(--ease), box-shadow .28s var(--ease);
}
.nav__inner { display: flex; align-items: center; gap: var(--gap); padding-block: 1.1rem; }
.nav__logo { display: flex; align-items: center; padding-block: .35rem; min-height: 30px; }
.nav__logo img { height: 20px; width: auto; transition: opacity .2s var(--ease); }
.nav__logo .logo--color { display: none; }
.nav__links { display: flex; gap: 2rem; margin-left: auto; align-items: center; }
.nav__links a {
  font-family: var(--font-display);
  font-size: .8rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  color: #fff; text-decoration: none; transition: opacity .18s var(--ease);
}
.nav__links a:hover { opacity: .7; }
.nav .btn { padding: .7rem 1.3rem; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }

.nav.is-stuck { background: var(--paper); box-shadow: 0 1px 0 var(--line); }
.nav.is-stuck .nav__links a { color: var(--ink); }
.nav.is-stuck .logo--blanco { display: none; }
.nav.is-stuck .logo--color { display: block; }

.nav__toggle {
  display: none; margin-left: auto; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
}
.nav__toggle span { display: block; height: 2px; background: #fff; margin: 5px 0; transition: background .2s; }
.nav.is-stuck .nav__toggle span { background: var(--ink); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 88svh; display: flex; align-items: center; padding-block: 8rem 4rem; }
.hero__bg { position: absolute; inset: 0; overflow: hidden; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(28,32,41,.86) 0%, rgba(28,32,41,.64) 55%, rgba(28,32,41,.42) 100%);
}
.hero__inner { position: relative; z-index: 1; color: #fff; }
.hero .eyebrow { color: rgba(255,255,255,.82); }
.hero__title { font-size: clamp(2.3rem, 6vw, 4.2rem); max-width: 16ch; }
.hero__title .t-strong { font-weight: 700; display: block; }
.hero__title .t-light  { font-weight: 400; display: block; color: rgba(255,255,255,.86); }
.hero__sub { max-width: 52ch; margin: 1.6rem 0 0; color: rgba(255,255,255,.85); font-size: 1.06rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.4rem; }

/* ---------- Cifras ---------- */
.stats { border-bottom: 1px solid var(--line); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats__grid--3 { grid-template-columns: repeat(3, 1fr); }
.stats__item { padding: clamp(2rem,4vw,3rem) 1rem; text-align: center; border-left: 1px solid var(--line); }
.stats__item:first-child { border-left: 0; }
.stats__n {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.2rem); color: var(--primary); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stats__l { font-size: .82rem; color: var(--slate); margin-top: .55rem; letter-spacing: .04em; }
/* "CDMX" es palabra, no cifra: a tamaño de número se desborda en móvil */
.stats__grid--3 .stats__n:not([data-count]) { font-size: clamp(1.5rem, 3.2vw, 2.2rem); letter-spacing: .02em; }

/* ---------- Servicios ---------- */
.svc__head { max-width: 70ch; margin-bottom: clamp(2.5rem,5vw,4rem); }
.svc__group + .svc__group { margin-top: clamp(2.5rem,5vw,4rem); }
.svc__gtitle {
  font-family: var(--font-display); font-size: .82rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--slate);
  padding-bottom: .85rem; border-bottom: 1px solid var(--line); margin-bottom: 1.75rem;
}
.svc__grid { display: grid; gap: 1.15rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 2px;
  padding: 1.9rem 1.7rem;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.card:hover { border-color: var(--primary); transform: translateY(-2px); }
.card__icon { color: var(--primary); margin-bottom: 1.15rem; }
.card__icon svg { display: block; }
.card h3 { font-size: 1.06rem; font-weight: 700; margin-bottom: .7rem; letter-spacing: -.01em; }
.card p { margin: 0; font-size: .93rem; color: var(--slate); line-height: 1.62; }
.card b { color: var(--primary); font-weight: 600; }

/* Detalle técnico colapsable: recupera el aire sin recortar el texto del cliente */
.card__resumen { margin: 0 0 .2rem; font-size: .93rem; color: var(--slate); line-height: 1.62; }
.card details > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-display); font-size: .76rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--primary);
  padding: .5rem 0; min-height: 24px;
}
.card details > summary::-webkit-details-marker { display: none; }
.card details > summary::after {
  content: ""; width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  rotate: 45deg; translate: 0 -2px; transition: rotate .2s var(--ease);
}
.card details[open] > summary::after { rotate: -135deg; translate: 0 2px; }
.card details > summary:hover { color: var(--ink); }
.card details p { margin: .2rem 0 0; }

/* ---------- CTA intermedio ---------- */
.cta-inline { margin-top: clamp(2rem,4vw,3rem); text-align: center; }
.cta-inline a {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-display); font-size: .92rem; font-weight: 500;
  color: var(--primary); text-decoration: none;
  border-bottom: 1px solid var(--line); padding: .55rem .2rem;
  transition: border-color .2s var(--ease), gap .2s var(--ease);
}
.cta-inline a:hover { border-bottom-color: var(--cta); gap: .95rem; }
.cta-inline svg { flex: none; }

/* ---------- Portafolio ---------- */
.proj { border-top: 1px solid var(--line); padding-block: clamp(2.75rem,6vw,4.5rem); }
.proj__media { display: grid; grid-template-columns: 1.62fr 1fr; gap: 1.15rem; align-items: stretch; }
/* nth-of-type, no nth-child: el .svc__head del encabezado corre los índices */
.proj:nth-of-type(even) .proj__media { direction: rtl; }
.proj:nth-of-type(even) .proj__media > * { direction: ltr; }
.proj__foto img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 2px; }

/* ---------- Carrusel: scroll-snap nativo, sin librerías ---------- */
.carousel { position: relative; border-radius: 2px; overflow: hidden; }
.carousel__track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track:focus-visible { outline: 3px solid var(--cta); outline-offset: -3px; }
.carousel__slide { flex: 0 0 100%; margin: 0; scroll-snap-align: center; }
.carousel__slide img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }

.carousel__nav {
  position: absolute; top: 50%; translate: 0 -50%;
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.92); color: var(--ink);
  display: grid; place-items: center; cursor: pointer;
  opacity: 0; transition: opacity .2s var(--ease), background-color .2s var(--ease);
  box-shadow: 0 2px 10px rgba(0,0,0,.16);
}
.carousel__nav--prev { left: 12px; }
.carousel__nav--next { right: 12px; }
.carousel:hover .carousel__nav, .carousel__nav:focus-visible { opacity: 1; }
.carousel__nav:hover { background: #fff; }
.carousel__nav[disabled] { opacity: 0 !important; pointer-events: none; }

.carousel__dots { position: absolute; left: 50%; translate: -50% 0; bottom: 12px; display: flex; gap: 6px; }
.carousel__dots button {
  width: 7px; height: 7px; padding: 0; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.5); transition: background-color .2s var(--ease), width .2s var(--ease);
}
.carousel__dots button[aria-selected="true"] { background: #fff; width: 18px; border-radius: 4px; }

.carousel__count {
  position: absolute; right: 12px; bottom: 10px;
  font-family: var(--font-display); font-size: .68rem; letter-spacing: .1em;
  color: #fff; background: rgba(28,32,41,.55); padding: .2rem .5rem; border-radius: 2px;
  font-variant-numeric: tabular-nums;
}
/* área táctil de los puntos sin engordarlos visualmente */
.carousel__dots { padding: 10px 8px; margin: -10px -8px; }
/* sin aspect-ratio: la hoja del plano iguala la altura de la foto de al lado */
.proj__plano {
  position: relative; background: var(--mist); border: 1px solid var(--line); border-radius: 2px;
  min-height: 190px; height: 100%; overflow: hidden;
  display: grid; place-items: center; text-align: center;
}
/* absoluto + object-fit: garantiza que el plano nunca desborde su hoja.
   brightness<1 antes de contrast oscurece la línea sin ensuciar el fondo blanco;
   contrast solo la aclararía, porque el trazo original es gris medio. */
.proj__plano img {
  position: absolute; inset: .9rem .9rem 1.9rem;
  width: calc(100% - 1.8rem); height: calc(100% - 2.8rem);
  object-fit: contain; mix-blend-mode: multiply;
  filter: brightness(.8) contrast(2);
}
/* El isométrico de Palmas 356 es un render, no un trazo: el realce pensado para
   línea gris lo oscurece y le satura los materiales. Conserva el multiply para
   que su fondo blanco se funda con la hoja, pero sin realce. */
.proj__plano--render img { filter: none; }
.proj__plano::before, .proj__plano::after {
  content: ""; position: absolute; width: 12px; height: 12px; border: 1px solid var(--secondary); opacity: .6;
}
.proj__plano::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.proj__plano::after  { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.proj__plano--empty { color: var(--slate); font-size: .82rem; text-align: center; line-height: 1.5; }
.proj__tag {
  position: absolute; bottom: 10px; left: 12px;
  font-family: var(--font-display); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--slate);
}
.proj__body { margin-top: 1.6rem; display: grid; grid-template-columns: 1.62fr 1fr; gap: 1.15rem; align-items: start; }
.proj__body h3 { font-size: clamp(1.3rem,2.6vw,1.8rem); font-weight: 700; }
.proj__loc {
  font-family: var(--font-display); font-size: .76rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--slate); margin: .5rem 0 0;
}
.proj__body p.txt { margin: 0; color: var(--slate); font-size: .96rem; }

/* ---------- Planos de ejemplo ----------
   Reutiliza .proj__plano (hoja, marcas de esquina, tag) dentro de una retícula.
   La hoja necesita altura propia: en la sección de proyectos la hereda de la
   foto de al lado, aquí no hay foto, así que se fija con aspect-ratio. */
.section--planos { border-top: 1px solid var(--line); }
.planos__grid {
  display: grid; gap: 1.15rem;
  grid-template-columns: repeat(auto-fit, minmax(265px, 1fr));
  margin-top: clamp(2rem,4vw,3rem);
}
.planos__item { margin: 0; display: flex; flex-direction: column; }
.planos__item .proj__plano { aspect-ratio: 4/3; height: auto; min-height: 0; }
/* Son 5 hojas: en retícula pareja la quinta queda huérfana. La arquitectónica
   —que es la base de las otras cuatro— ocupa 2x2 y las demás caben a su lado. */
@media (min-width: 1000px) {
  .planos__grid { grid-template-columns: repeat(4, 1fr); }
  .planos__item--wide { grid-column: span 2; grid-row: span 2; }
  .planos__item--wide .proj__plano { aspect-ratio: auto; flex: 1; }
}
.planos__cap { margin-top: 1rem; }
.planos__cap h3 { font-size: 1.05rem; font-weight: 700; }
.planos__cap p { margin: .4rem 0 0; color: var(--slate); font-size: .9rem; }

/* ---------- Especialización ---------- */
.spec__grid { display: grid; gap: 1.15rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin-top: clamp(2rem,4vw,3rem); }
.spec__item { border-top: 2px solid var(--primary); padding-top: 1.4rem; }
.spec__item h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
.spec__item p { margin: 0; color: var(--slate); font-size: .93rem; }

.allies { margin-top: clamp(3rem,6vw,4.5rem); padding-top: 2.25rem; border-top: 1px solid var(--line); }
.allies__t { font-family: var(--font-display); font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); text-align: center; }
.allies__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px,1fr)); gap: 1rem; margin-top: 1.5rem; }
.allies__slot { height: 66px; display: grid; place-items: center; }
/* Los logos llegaron en raster chico y con fondo propio: se limpió el fondo y
   el gris se aplica aquí, para poder volver al color con una sola línea. */
.allies__slot img {
  max-height: 38px; max-width: 82%; width: auto; height: auto; object-fit: contain;
  filter: grayscale(1); opacity: .5;
  transition: opacity .3s var(--ease), filter .3s var(--ease);
}
/* Los sellos casi cuadrados necesitan más alto para pesar igual que un logotipo. */
.allies__slot--mark img { max-height: 52px; }
.allies__slot:hover img { filter: grayscale(0); opacity: 1; }

/* ---------- Cierre + contacto ---------- */
.closer { background: var(--ink); color: #fff; padding-block: clamp(3.5rem,7vw,5.5rem); text-align: center; }
.closer h2 { font-size: clamp(1.75rem,4vw,2.7rem); font-weight: 700; }
.closer p { color: rgba(255,255,255,.78); margin: 1rem auto 0; max-width: 48ch; }

.contact__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
/* Sin esto la columna no baja de lo que mide la opcion mas larga del select
   ("Ingenieria electrica / electromecanica") y desborda en pantallas de 320px. */
.contact__grid > * { min-width: 0; }

.field { margin-bottom: 1.4rem; }
.field label {
  display: block; font-family: var(--font-display); font-size: .74rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--slate); margin-bottom: .45rem;
}
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: .97rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  padding: .6rem 0; border-radius: 0;
  transition: border-color .18s var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-bottom-color: var(--primary); border-bottom-width: 2px; padding-bottom: calc(.6rem - 1px);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--slate) 50%), linear-gradient(135deg, var(--slate) 50%, transparent 50%); background-position: right 6px center, right 1px center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.form__note { font-size: .82rem; color: var(--slate); margin: .9rem 0 0; text-align: center; }
.form__msg { margin-top: 1rem; font-size: .9rem; padding: .8rem 1rem; border-radius: 2px; display: none; }
.form__msg.is-ok  { display: block; background: #E8F3EC; color: #1F5133; }
.form__msg.is-err { display: block; background: #FBEAEA; color: #7A2020; }

.info { list-style: none; margin: 0 0 1.75rem; padding: 0; }
.info li { display: grid; grid-template-columns: 92px 1fr; gap: 1rem; padding: .95rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.info dt, .info .k {
  font-family: var(--font-display); font-size: .72rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--slate); padding-top: .2rem;
}
/* El correo del dominio .com.mx no cabe entero en 320px y no tiene guiones ni
   espacios por donde partirse: sin esto empuja la pagina a lo ancho. */
.info a { text-decoration: none; color: var(--primary); font-weight: 500; overflow-wrap: anywhere; }
.info a:hover { text-decoration: underline; }
.map { border: 1px solid var(--line); border-radius: 2px; overflow: hidden; }
.map iframe { display: block; width: 100%; height: 290px; border: 0; filter: grayscale(1) contrast(.92); }

/* ---------- Footer ---------- */
.foot { background: var(--ink); color: rgba(255,255,255,.72); padding-block: clamp(3rem,6vw,4rem) 1.75rem; font-size: .9rem; }
.foot__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.foot img.logo { height: 22px; margin-bottom: 1.15rem; }
.foot p { margin: 0; max-width: 44ch; line-height: 1.6; }
.foot h4 { font-family: var(--font-display); font-size: .74rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin: 0 0 1rem; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .2rem; }
/* WCAG 2.5.8: área táctil mínima de 24px */
.foot ul a { display: inline-block; padding-block: .4rem; min-height: 24px; }
.foot a { color: rgba(255,255,255,.78); text-decoration: none; }
.foot a:hover { color: #fff; }
.foot__social { display: flex; gap: .8rem; }
.foot__social a { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.22); border-radius: 2px; display: grid; place-items: center; transition: border-color .18s, background-color .18s; }
.foot__social a:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.07); }
.foot__bottom { margin-top: 2.75rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.13); display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .82rem; color: rgba(255,255,255,.55); }

/* ---------- WhatsApp flotante ---------- */
.wa {
  position: fixed; right: 20px; bottom: 20px; z-index: 70;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 22px rgba(0,0,0,.22); transition: transform .18s var(--ease);
}
.wa:hover { transform: scale(1.06); }

/* ---------- Reveals ----------
   El contenido es visible por defecto. Solo se oculta si el JS armó el
   observer (.js-reveal en <html>): así, sin JS o si algo falla, nada
   queda invisible. */
.js-reveal .rv { opacity: 0; transform: translateY(16px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.js-reveal .rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .rv { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed; inset: 0 0 auto; top: 0; padding: 5.5rem 1.5rem 2rem;
    background: var(--paper); flex-direction: column; align-items: stretch; gap: 0;
    transform: translateY(-100%); transition: transform .3s var(--ease); box-shadow: 0 8px 24px rgba(0,0,0,.1);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { color: var(--ink); padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
  .nav__links .btn { margin-top: 1.25rem; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(3) { border-left: 0; }
  .stats__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  /* la variante de 3 no parte bien en dos columnas: va apilada */
  .stats__grid--3 { grid-template-columns: 1fr; }
  .stats__grid--3 .stats__item { border-left: 0; padding-block: 1.6rem; }
  .stats__grid--3 .stats__item + .stats__item { border-top: 1px solid var(--line); }
  .stats__grid--3 .stats__item:nth-child(-n+2) { border-bottom: 0; }
  .proj__media, .proj__body { grid-template-columns: 1fr; }
  .proj:nth-child(even) .proj__media { direction: ltr; }
  .contact__grid { grid-template-columns: 1fr; }
  .foot__top { grid-template-columns: 1fr; gap: 2rem; }
  .wa { right: 14px; bottom: 84px; }
}
@media (max-width: 520px) {
  .hero__cta .btn { width: 100%; }
}