/* Tars Automóviles · concepto "Compañero de ruta"
   Cartelería vial argentina: verde de cartel, amarillo de demarcación, asfalto y mojón. */

@font-face { font-family: "Overpass"; src: url("fonts/overpass-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Overpass"; src: url("fonts/overpass-900.woff2") format("woff2"); font-weight: 900; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("fonts/public-sans-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("fonts/public-sans-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --asfalto: #141619;
  --asfalto-2: #1f2226;
  --verde: #0b6b4f;
  --verde-hondo: #08513c;
  --amarillo: #f5c518;
  --mojon: #f4f3ee;
  --tinta: #141619;
  --gris: #4a5057;
  --gris-claro: #b9bec4;
  --whatsapp: #0d6e3a;

  --display: "Overpass", "Arial Narrow", sans-serif;
  --texto: "Public Sans", system-ui, sans-serif;

  --franja: 2.5rem;
  --radio: 14px;
  --ease-freno: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-resorte: cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--franja) + 4.5rem); }
body {
  margin: 0;
  font-family: var(--texto);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--mojon);
  overflow-x: hidden;
  padding-top: var(--franja);
}
h1, h2, h3 { font-family: var(--display); font-weight: 900; line-height: 1; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(2.1rem, 5.5vw, 4.25rem); max-width: 18ch; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.5rem; }
p { margin: 0 0 1rem; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.saltar {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  background: var(--amarillo); color: var(--tinta); padding: 0.75rem 1rem; font-weight: 600;
}
.saltar:focus { top: calc(var(--franja) + 0.5rem); }

/* Franja de propuesta */
.franja {
  position: fixed; inset: 0 0 auto; z-index: 60; margin: 0;
  min-height: var(--franja); display: grid; place-items: center;
  padding: 0.35rem 1rem; text-align: center;
  font-size: 0.8125rem; line-height: 1.3; font-weight: 600;
  background: var(--amarillo); color: var(--tinta);
}

/* Cabecera */
.cabecera {
  position: sticky; top: var(--franja); z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--asfalto) 92%, transparent);
  backdrop-filter: blur(10px);
  color: var(--mojon);
  border-bottom: 1px solid #2b2f34;
}
.marca { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; min-height: 44px; }
.marca__escudo {
  display: grid; place-items: center; width: 2.4rem; height: 2.4rem;
  background: var(--verde); border: 2px solid var(--mojon); border-radius: 8px;
  font-family: var(--display); font-weight: 900; font-size: 1.3rem; padding-top: 0.15rem;
}
.marca__texto { font-family: var(--display); font-weight: 900; font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.04em; }
.marca__texto span { color: var(--amarillo); }
.nav { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.75rem;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  background-image: linear-gradient(var(--amarillo), var(--amarillo));
  background-size: 0 3px; background-repeat: no-repeat; background-position: 0.75rem 80%;
  transition: background-size 0.3s var(--ease-freno);
}
.nav a:hover { background-size: calc(100% - 1.5rem) 3px; }
@media (max-width: 560px) {
  .marca__texto span { display: none; }
  .nav a { padding: 0 0.5rem; font-size: 0.875rem; }
}

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 52px; padding: 0.85rem 1.6rem;
  font-family: var(--display); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.02em;
  text-decoration: none; text-transform: uppercase;
  border: 2px solid transparent; border-radius: 10px; cursor: pointer;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn--primario { background: var(--amarillo); color: var(--tinta); box-shadow: 0 6px 0 #b18c00; }
.btn--primario:hover { background: #ffd43b; }
.btn--primario:active { box-shadow: 0 2px 0 #b18c00; }
.btn--secundario { border-color: var(--mojon); color: var(--mojon); }
.btn--secundario:hover { background: var(--mojon); color: var(--tinta); }
.btn--whatsapp { background: var(--whatsapp); color: #fff; margin-top: 0.5rem; }
.btn--whatsapp:hover { background: var(--verde-hondo); }

/* HERO */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: calc(100svh - var(--franja) - 4.2rem);
  display: grid; align-items: center;
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1rem, 5vw, 4rem) clamp(9rem, 22vw, 14rem);
  background: radial-gradient(120% 70% at 50% 0%, #262a2f 0%, var(--asfalto) 60%);
  color: var(--mojon);
}
.hero__ruta { position: absolute; inset: auto 0 0; height: 46%; z-index: -1; }
.ruta { width: 100%; height: 100%; display: block; }
.ruta__asfalto { fill: var(--asfalto-2); }
.ruta__banquina { stroke: var(--mojon); stroke-width: 6; opacity: 0.55; fill: none; }
.ruta__linea {
  stroke: var(--amarillo); stroke-width: 10; fill: none;
  stroke-dasharray: 34 30;
}
@media (prefers-reduced-motion: no-preference) {
  .ruta__linea { animation: avanzar 1.1s linear infinite; }
}
@keyframes avanzar { to { stroke-dashoffset: -64; } }

.hero__contenido { max-width: 72rem; margin: 0 auto; width: 100%; display: grid; justify-items: start; gap: 1.75rem; }

.cartel {
  position: relative;
  background: var(--verde);
  border: 4px solid var(--mojon);
  outline: 6px solid var(--verde);
  border-radius: 22px;
  padding: clamp(1.25rem, 3.5vw, 2.5rem) clamp(1.25rem, 4vw, 3rem) clamp(1.5rem, 3.5vw, 2.25rem);
  box-shadow: 0 30px 60px -20px rgb(0 0 0 / 0.7);
  max-width: 100%;
  transform-origin: 50% 0;
}
.cartel::before, .cartel::after {
  /* parantes del cartel */
  content: ""; position: absolute; bottom: calc(100% + 10px); width: 10px; height: 100vh;
  background: linear-gradient(90deg, #5a6068, #8a9096, #5a6068);
}
.cartel::before { left: 18%; }
.cartel::after { right: 18%; }
.cartel__salida {
  display: inline-flex; gap: 0.5rem; align-items: center;
  font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em;
  font-size: clamp(0.75rem, 1.8vw, 0.95rem);
  background: var(--mojon); color: var(--verde-hondo);
  padding: 0.3rem 0.75rem; border-radius: 6px; margin-bottom: 1.1rem;
}
.cartel__titulo {
  font-size: clamp(3rem, 11.5vw, 8.5rem);
  line-height: 0.92; text-transform: uppercase; letter-spacing: -0.015em;
  perspective: 600px;
}
.cartel__titulo .palabra { display: inline-block; white-space: nowrap; }
.cartel__titulo .char { display: inline-block; transform-origin: 50% 0; backface-visibility: hidden; }
.cartel__bajada { margin: 1rem 0 0; font-size: clamp(1.05rem, 2.2vw, 1.35rem); max-width: 34ch; }

.hero__lema { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--gris-claro); max-width: 40ch; margin: 0; }
.hero__lema strong { color: var(--amarillo); font-weight: 600; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Mojón kilométrico */
.mojon {
  display: grid; justify-items: center; align-content: start; gap: 0.1rem;
  width: 5.5rem; padding: 0.9rem 0 1.4rem;
  background: var(--mojon); color: var(--tinta);
  border-radius: 2.75rem 2.75rem 6px 6px;
  box-shadow: inset 0 -1.1rem 0 var(--verde), 0 14px 30px -10px rgb(0 0 0 / 0.6);
  font-family: var(--display); font-weight: 900;
}
.mojon__rotulo { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.mojon__numero { font-size: 1.6rem; line-height: 1; }
.mojon--hero { position: absolute; right: clamp(1rem, 7vw, 7rem); bottom: clamp(1.5rem, 6vw, 4rem); }

/* Secciones */
.seccion { padding: clamp(4.5rem, 11vw, 9rem) clamp(1rem, 5vw, 4rem); }
.contenedor { max-width: 72rem; margin: 0 auto; }
.seccion--clara { background: var(--mojon); color: var(--tinta); }
.seccion--asfalto { background: var(--asfalto); color: var(--mojon); }
.seccion--verde { background: var(--verde-hondo); color: var(--mojon); }
.antetitulo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.875rem; color: var(--verde); margin-bottom: 1rem;
}
.antetitulo::before { content: ""; width: 2.25rem; height: 4px; background: currentColor; }
.antetitulo--amarillo { color: var(--amarillo); }

/* Nosotros */
.nosotros { display: grid; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.nosotros__texto p { color: var(--gris); max-width: 52ch; }
@media (min-width: 900px) { .nosotros { grid-template-columns: 1.05fr 1fr; } }
.recorrido { margin: 0; background: #fff; border-radius: var(--radio); padding: clamp(1.25rem, 3vw, 2rem); border: 2px solid #e2e0d8; }
.recorrido__mapa { width: 100%; height: auto; display: block; }
.recorrido__trazo { fill: none; stroke: var(--asfalto); stroke-width: 14; stroke-linecap: round; }
.parada circle { fill: var(--verde); stroke: var(--mojon); stroke-width: 4; transform-box: fill-box; transform-origin: center; }
.parada .parada__centro { fill: var(--amarillo); stroke: none; }
.recorrido__lista {
  list-style: none; margin: 1.25rem 0 0; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1rem;
  counter-reset: parada;
}
.recorrido__item { counter-increment: parada; font-family: var(--display); font-weight: 800; font-size: 1.05rem; }
.recorrido__item::before {
  content: counter(parada); display: inline-grid; place-items: center;
  width: 1.6rem; height: 1.6rem; margin-right: 0.45rem; border-radius: 50%;
  background: var(--verde); color: #fff; font-size: 0.85rem;
}
.recorrido figcaption { margin-top: 0.75rem; font-size: 0.875rem; color: var(--gris); }

/* Servicios: carriles */
.servicios, .motivos, .stock { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 1.25rem; }
@media (min-width: 760px) {
  .servicios { grid-template-columns: 1.2fr 1fr 1fr; }
  .motivos { grid-template-columns: repeat(3, 1fr); }
  .stock { grid-template-columns: repeat(3, 1fr); }
}
.card-tilt { transition: transform 0.5s var(--ease-resorte); transform-style: preserve-3d; }
.servicio {
  position: relative; padding: 2rem 1.75rem 2.25rem;
  background: var(--asfalto-2); border-radius: var(--radio);
  border-left: 8px dashed var(--amarillo);
}
.servicio p { color: var(--gris-claro); margin: 0; }
.servicio__carril {
  display: block; font-family: var(--display); font-weight: 900; font-size: 3.5rem; line-height: 1;
  color: transparent; -webkit-text-stroke: 2px var(--amarillo); margin-bottom: 1.25rem;
}
.servicio--verde { background: var(--verde); border-left-color: var(--mojon); }
.servicio--verde p { color: #e6f1ec; }
.servicio--verde .servicio__carril { -webkit-text-stroke-color: var(--mojon); }

/* Motivos */
.motivo { padding: 2rem 1.5rem; border-top: 6px solid var(--tinta); }
.motivo p { color: var(--gris); margin: 0; }
.icono {
  width: 3.5rem; height: 3.5rem; margin-bottom: 1.25rem;
  fill: none; stroke: var(--verde); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round;
}

/* Stock */
.stock__intro { max-width: 60ch; color: #dcebe4; }
.unidad { background: var(--mojon); color: var(--tinta); border-radius: var(--radio); padding: 0.9rem 0.9rem 1.25rem; }
.unidad h3 { font-size: 1.35rem; padding: 0 0.35rem; }
.unidad__foto {
  aspect-ratio: 4 / 3; border-radius: 10px; margin-bottom: 1rem;
  display: grid; place-items: center;
  background: linear-gradient(100deg, #e1dfd7 30%, #efede6 50%, #e1dfd7 70%);
  background-size: 220% 100%;
  color: var(--gris); font-size: 0.875rem; font-weight: 600;
}
@media (prefers-reduced-motion: no-preference) {
  .unidad__foto { animation: brillo 1.8s ease-in-out infinite; }
}
@keyframes brillo { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.unidad__etiqueta {
  display: inline-block; margin: 0 0.35rem 0.6rem; padding: 0.15rem 0.55rem;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  background: var(--amarillo); border-radius: 4px;
}
.unidad__datos { color: var(--gris); padding: 0 0.35rem; font-size: 0.95rem; }
.unidad__boton {
  display: flex; align-items: center; justify-content: center; min-height: 44px; margin: 0 0.35rem;
  border-radius: 8px; background: var(--whatsapp); color: #fff; font-weight: 600; font-size: 0.95rem;
}
.stock__ml { margin-top: 2rem; color: #dcebe4; }
.stock__ml a { color: var(--amarillo); font-weight: 600; text-underline-offset: 3px; }

/* Contacto */
.contacto { display: grid; gap: clamp(2.5rem, 6vw, 5rem); }
@media (min-width: 900px) { .contacto { grid-template-columns: 1.1fr 1fr; align-items: start; } }
.datos { margin: 0 0 1.5rem; display: grid; gap: 1.1rem; }
.datos div { display: grid; gap: 0.15rem; padding-left: 1rem; border-left: 4px solid var(--amarillo); }
.datos dt { font-family: var(--display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; color: var(--verde); }
.datos dd { margin: 0; }
.datos a { font-weight: 600; text-underline-offset: 3px; display: inline-block; padding: 0.35rem 0; }

.formulario {
  display: grid; gap: 0.4rem; padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--asfalto); color: var(--mojon); border-radius: var(--radio);
  border-top: 8px solid var(--verde);
}
.formulario__aviso {
  justify-self: start; margin-bottom: 0.75rem; padding: 0.2rem 0.6rem;
  background: var(--amarillo); color: var(--tinta); border-radius: 4px;
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
}
.formulario label { font-weight: 600; font-size: 0.95rem; margin-top: 0.6rem; }
.formulario input, .formulario textarea {
  font: inherit; font-size: 1rem; color: var(--mojon);
  background: var(--asfalto-2); border: 2px solid #3b4046; border-radius: 8px;
  padding: 0.75rem 0.9rem; min-height: 48px; width: 100%;
  transition: border-color 0.2s;
}
.formulario input:focus, .formulario textarea:focus { border-color: var(--amarillo); outline: none; }
.formulario .btn { margin-top: 1.25rem; justify-self: start; }
.formulario__estado { min-height: 1.5rem; margin: 0.75rem 0 0; color: var(--amarillo); }

/* Pie */
.pie { background: var(--asfalto); color: var(--gris-claro); padding: 3rem clamp(1rem, 5vw, 4rem); border-top: 6px dashed var(--amarillo); }
.pie__grilla { display: grid; gap: 1.5rem; }
@media (min-width: 760px) { .pie__grilla { grid-template-columns: 2fr 1fr 1fr; align-items: start; } }
.pie__marca { font-family: var(--display); font-weight: 900; font-size: 1.5rem; color: var(--mojon); text-transform: uppercase; margin-bottom: 0.5rem; }
.pie__redes { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.1rem; }
.pie a { color: var(--mojon); display: inline-block; padding: 0.4rem 0; text-underline-offset: 3px; }
.pie__firma { margin: 0; }

/* Reveal por scroll: entra como un cartel que se acerca por la ruta */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .revelar {
      animation: acercarse linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 30%;
    }
  }
}
@keyframes acercarse {
  /* translate/scale sueltos: no pisan el transform del tilt */
  from { opacity: 0; translate: 0 56px; scale: 0.94; }
  to   { opacity: 1; translate: 0 0; scale: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}