/* ARTIFICIA — hoja de estilos
   Tinta #000 · Papel #fff · Surco #e4e4e4 · Humo #6e6e6e · Reserva #f6f6f6 */

:root {
  --tinta: #000000;
  --papel: #ffffff;
  --surco: #e4e4e4;
  --humo: #6e6e6e;
  --reserva: #f6f6f6;

  --display: "Archivo", system-ui, sans-serif;
  --texto: "Source Serif 4", Georgia, serif;

  --ancho: 68rem;
  --borde: 1.5rem;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

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

.saltar {
  position: absolute; left: -9999px;
  background: var(--tinta); color: var(--papel);
  padding: .75rem 1rem; z-index: 100;
}
.saltar:focus { left: 1rem; top: 1rem; }

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: var(--borde);
}

/* ---------- barra ---------- */

.barra {
  position: sticky; top: 0; z-index: 50;
  background: var(--papel);
  border-bottom: 1px solid var(--surco);
}

.barra__fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: 1.15rem;
}

.barra__marca { display: block; flex: none; }
.barra__marca img { width: 132px; }

.menu {
  display: flex; align-items: center; gap: 1.6rem;
  list-style: none; margin: 0; padding: 0;
}

.menu a {
  font-family: var(--display);
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--humo);
  padding-block: .4rem;
  border-bottom: 1px solid transparent;
}
.menu a:hover { color: var(--tinta); }
.menu a[aria-current="page"] { color: var(--tinta); border-bottom-color: var(--tinta); }

/* ---------- hero ---------- */

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--surco); }

.hero__arcos {
  position: absolute;
  top: 50%; left: -22rem;
  transform: translateY(-50%);
  width: 58rem; height: 58rem;
  max-width: none;
  pointer-events: none;
  color: var(--surco);
}

.hero__contenido {
  position: relative;
  padding-block: clamp(4.5rem, 14vw, 9.5rem);
  max-width: 42rem;
}

.rotulo {
  font-family: var(--display);
  font-size: .75rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--humo);
  margin: 0 0 1.6rem;
}

h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.15rem, 6.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 0 0 1.5rem;
  text-wrap: balance;
}

.bajada {
  font-size: clamp(1.0625rem, 2.4vw, 1.3125rem);
  line-height: 1.55;
  color: #2b2b2b;
  margin: 0 0 2.4rem;
  max-width: 34rem;
}

.boton {
  display: inline-block;
  font-family: var(--display);
  font-size: .8125rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  background: var(--tinta);
  color: var(--papel);
  padding: .95rem 1.9rem;
  border: 1px solid var(--tinta);
  transition: background .18s ease, color .18s ease;
}
.boton:hover { background: var(--papel); color: var(--tinta); }

.boton--linea { background: transparent; color: var(--tinta); }
.boton--linea:hover { background: var(--tinta); color: var(--papel); }

/* ---------- secciones ---------- */

.seccion { padding-block: clamp(3.5rem, 9vw, 6rem); }
.seccion + .seccion { border-top: 1px solid var(--surco); }
.seccion--reserva { background: var(--reserva); border-top: 1px solid var(--surco); }

h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 0 0 1.2rem;
  text-wrap: balance;
}

h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.3125rem;
  letter-spacing: -.005em;
  margin: 0 0 .55rem;
}

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

.medida { max-width: 38rem; }

/* ---------- verticales (índice de áreas) ---------- */

.areas { list-style: none; margin: 0; padding: 0; }

.areas li { border-top: 1px solid var(--surco); }
.areas li:last-child { border-bottom: 1px solid var(--surco); }

.area {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.7rem;
  text-decoration: none;
  transition: padding-inline-start .2s ease;
}
a.area:hover { padding-inline-start: .6rem; }

.area__texto { display: block; max-width: 36rem; }

.area__nombre {
  display: block;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.35rem, 3.6vw, 1.9rem);
  letter-spacing: -.01em;
  line-height: 1.2;
}

.area__detalle {
  display: block;
  margin-top: .45rem;
  font-size: .9375rem;
  line-height: 1.5;
  color: #2b2b2b;
}

.area__nota {
  font-family: var(--display);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--humo);
  flex: none;
  padding-top: .55rem;
}

.area--proxima { opacity: .45; }

/* ---------- bloques de servicio ---------- */

.servicio { border-top: 1px solid var(--surco); padding-block: 2.6rem; }
.servicio:last-of-type { border-bottom: 1px solid var(--surco); }

.servicio__encabezado {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1.5rem; margin-bottom: .9rem;
}

.plazo {
  font-family: var(--display);
  font-size: .75rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--humo);
  text-align: right;
  flex: none;
  max-width: 12rem;
  line-height: 1.4;
}

.dato {
  max-width: 38rem;
  margin: 1.3rem 0 0;
  padding: .85rem 0 .85rem 1.2rem;
  border-left: 2px solid var(--tinta);
  font-family: var(--display);
  font-size: .9375rem;
  line-height: 1.55;
  color: #2b2b2b;
}

.tareas {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem .5rem;
  font-size: .9375rem;
}

.tareas li { padding-inline-start: 1.1rem; position: relative; color: #2b2b2b; }
.tareas li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 5px; height: 5px; background: var(--tinta);
}

/* ---------- proceso ---------- */

.pasos { list-style: none; margin: 2rem 0 0; padding: 0; counter-reset: paso; }

.pasos li {
  counter-increment: paso;
  border-top: 1px solid var(--surco);
  padding-block: 1.4rem;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 1rem;
}
.pasos li:last-child { border-bottom: 1px solid var(--surco); }

.pasos li::before {
  content: counter(paso, decimal-leading-zero);
  font-family: var(--display);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--humo);
  padding-top: .28em;
}

.pasos strong { font-family: var(--display); font-weight: 500; display: block; margin-bottom: .2rem; }
.pasos p { font-size: .9375rem; margin: 0; color: #2b2b2b; }

/* ---------- credenciales ---------- */

.credenciales {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0;
  max-width: 38rem;
}

.credenciales li {
  font-family: var(--display);
  font-size: .875rem;
  line-height: 1.5;
  color: #2b2b2b;
  border-top: 1px solid var(--surco);
  padding-block: .8rem;
}
.credenciales li:last-child { border-bottom: 1px solid var(--surco); }

/* ---------- contacto ---------- */

.datos { list-style: none; margin: 1.8rem 0 0; padding: 0; }
.datos li { border-top: 1px solid var(--surco); padding-block: 1rem; }
.datos li:last-child { border-bottom: 1px solid var(--surco); }

.datos a { text-decoration: none; border-bottom: 1px solid var(--surco); }
.datos a:hover { border-bottom-color: var(--tinta); }

.dato__etiqueta {
  font-family: var(--display);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--humo);
  display: block;
  margin-bottom: .25rem;
}

/* ---------- pie ---------- */

.pie {
  background: var(--tinta);
  color: var(--papel);
  padding-block: 3.5rem 2.5rem;
}

.pie__fila {
  display: flex; flex-wrap: wrap; gap: 2rem;
  justify-content: space-between; align-items: flex-start;
}

.pie img { width: 118px; }

.pie a { color: var(--papel); }

.pie__enlaces { list-style: none; margin: 0; padding: 0; }
.pie__enlaces li { margin-bottom: .5rem; }
.pie__enlaces a {
  font-family: var(--display);
  font-size: .8125rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: .72;
}
.pie__enlaces a:hover { opacity: 1; }

.pie__legal {
  margin-top: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid #333;
  font-size: .8125rem;
  line-height: 1.6;
  color: #a8a8a8;
  max-width: 44rem;
}
.pie__legal p { margin-bottom: .7rem; }

/* ---------- animación de entrada ---------- */

@media (prefers-reduced-motion: no-preference) {
  .aparece { animation: subir .7s cubic-bezier(.2, .7, .3, 1) both; }
  .aparece:nth-child(2) { animation-delay: .08s; }
  .aparece:nth-child(3) { animation-delay: .16s; }
  .aparece:nth-child(4) { animation-delay: .24s; }

  .hero__arcos circle { animation: surco .9s ease-out both; }
  .hero__arcos circle:nth-child(1) { animation-delay: .05s; }
  .hero__arcos circle:nth-child(2) { animation-delay: .13s; }
  .hero__arcos circle:nth-child(3) { animation-delay: .21s; }
  .hero__arcos circle:nth-child(4) { animation-delay: .29s; }
  .hero__arcos circle:nth-child(5) { animation-delay: .37s; }
}

@keyframes subir {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes surco {
  from { opacity: 0; transform: scale(.86); }
  to { opacity: 1; transform: none; }
}

/* ---------- angosto ---------- */

@media (max-width: 40rem) {
  .barra__fila { flex-direction: column; align-items: flex-start; gap: .9rem; }
  .menu { gap: 1.15rem; flex-wrap: wrap; }
  .hero__arcos {
    left: auto; right: -26rem;
    width: 40rem; height: 40rem;
    opacity: .8;
  }
  .servicio__encabezado { flex-direction: column; gap: .35rem; }
  .plazo { text-align: left; max-width: none; }
  .area { flex-direction: column; gap: .3rem; }
}

@media (min-width: 48rem) {
  .tareas { grid-template-columns: 1fr 1fr; }
}