/* Montajes del Sur — hoja de estilos */

@font-face {
  font-family: "Archivo";
  src: url("/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

:root {
  --carbon: #23282C;
  --carbon-2: #1B1F22;
  --carbon-3: #2E353A;
  --hueso: #F4F5F3;
  --fondo: #F1F2EF;
  --naranja: #EE5F22;
  --gris-claro: #D5D9DB;
  --gris-medio: #AEB5B9;
  --gris-texto: #414950;
  --gris-suave: #555D63;
  --gris-borde: #6B747A;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--carbon);
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
section[id] { scroll-margin-top: 12px; }

.saltar {
  position: absolute; left: -9999px; top: 0;
  padding: 12px 18px; background: var(--hueso); color: var(--carbon); font-weight: 700; z-index: 10;
}
.saltar:focus { left: 12px; top: 12px; }

.ancho { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.bloque { padding-top: 96px; padding-bottom: 96px; display: flex; flex-direction: column; gap: 48px; }
.oscuro { background: var(--carbon); color: var(--hueso); }
.blanco { background: #FFFFFF; }
.claro { color: var(--gris-claro); }
.suave { color: var(--gris-suave); }

/* Titulares */
h1 { font-size: clamp(32px, 4.2vw, 56px); line-height: 1.05; font-weight: 800; font-stretch: 125%; letter-spacing: 0.01em; }
h2 { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.1; font-weight: 800; font-stretch: 125%; }
.antetitulo { font-size: 13px; font-weight: 600; letter-spacing: 0.2em; color: var(--gris-suave); }
.oscuro .antetitulo { color: var(--gris-medio); }
.antetitulo-marca { display: flex; align-items: center; gap: 12px; }
.cuadro { width: 10px; height: 10px; background: var(--naranja); flex-shrink: 0; }
/* Sello de distribuidor autorizado */
.sello { display: inline-flex; flex-direction: column; gap: 4px; align-self: flex-start; padding: 12px 18px; border-left: 4px solid var(--naranja); background: var(--carbon-3); }
.sello-etiqueta { font-size: 12px; font-weight: 600; letter-spacing: 0.18em; color: var(--gris-medio); }
.sello strong { font-size: 18px; font-weight: 800; font-stretch: 125%; color: var(--hueso); }
.titular { display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.titular > p:not(.antetitulo) { color: var(--gris-texto); }

/* Botones */
.boton { display: inline-block; padding: 15px 26px; font-family: inherit; font-size: 17px; font-weight: 700; border: 0; cursor: pointer; }
.boton:hover { text-decoration: none; }
.boton-claro { background: var(--hueso); color: var(--carbon); }
.boton-claro:hover { background: #FFFFFF; }
.boton-borde { padding: 13px 24px; border: 2px solid var(--hueso); font-weight: 600; }
.boton-borde:hover { background: var(--hueso); color: var(--carbon); }
.boton-oscuro { background: var(--carbon); color: var(--hueso); min-height: 52px; padding: 0 26px; align-self: flex-start; }
.boton-oscuro:hover { background: #000000; }

/* Cabecera */
.cabecera { padding-top: 18px; padding-bottom: 18px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; }
.marca { display: flex; align-items: center; gap: 14px; }
.marca:hover { text-decoration: none; }
.marca-texto { display: flex; flex-direction: column; font-size: 17px; line-height: 1.12; font-stretch: 125%; letter-spacing: 0.03em; }
.marca-texto strong { font-weight: 800; }
.marca-texto span { font-weight: 300; }
.menu { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; font-size: 15px; font-weight: 500; }
.menu a { padding: 12px 0; }
.menu .boton-menu { padding: 12px 20px; font-size: 15px; }

/* Portada */
.portada { padding-top: 64px; padding-bottom: 96px; display: flex; flex-wrap: wrap; align-items: center; gap: 56px; }
.portada-texto { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 26px; }
.entradilla { max-width: 520px; font-size: 19px; color: var(--gris-claro); }
.botones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 6px; }
.portada-foto { flex: 1 1 380px; min-width: 0; }

/* Fotos: hueco provisional y foto real */
.foto { background: #E2E4E0; border: 1px dashed #7C858B; display: flex; align-items: center; justify-content: center; padding: 20px; text-align: center; font-size: 14px; letter-spacing: 0.06em; color: var(--gris-suave); }
.foto-oscura { background: var(--carbon-3); color: var(--gris-medio); }
.foto-43 { aspect-ratio: 4 / 3; }
.foto-1610 { aspect-ratio: 16 / 10; }
.portada > img { flex: 1 1 380px; min-width: 0; aspect-ratio: 4 / 3; object-fit: cover; }
.tarjeta > img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.obras img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* Franja de datos */
.datos { background: var(--carbon-2); color: var(--hueso); }
.datos-rejilla { padding-top: 28px; padding-bottom: 28px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px 40px; font-size: 15px; }
.datos-rejilla > div { display: flex; flex-direction: column; gap: 2px; }
.etiqueta, dt { font-size: 12px; font-weight: 600; letter-spacing: 0.18em; color: var(--gris-medio); }

/* Servicios */
.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.tarjeta { background: #FFFFFF; display: flex; flex-direction: column; }
.tarjeta-texto { padding: 30px 30px 34px; display: flex; flex-direction: column; gap: 12px; }
.tarjeta h3 { font-size: 24px; line-height: 1.15; font-weight: 800; font-stretch: 125%; }
.tarjeta-texto > p:not(.suave) { color: var(--gris-texto); }
.enlace-marca { margin-top: 8px; padding: 12px 0; font-weight: 700; align-self: flex-start; text-decoration: underline; text-decoration-color: var(--naranja); text-decoration-thickness: 3px; text-underline-offset: 6px; }

/* Cómo funciona */
.funciona { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 56px 72px; }
.lamas { flex: 0 1 348px; min-width: 0; border: 14px solid var(--hueso); position: relative; overflow: hidden; }
.lamas-sol { position: absolute; left: 50%; bottom: -74px; width: 232px; height: 232px; margin-left: -116px; border-radius: 50%; background: var(--naranja); }
.lamas-filas { position: relative; }
.lama { height: 44px; display: flex; align-items: center; }
.lama span { display: block; width: 100%; height: 22px; background: var(--hueso); transition: height 0.45s ease; }
.lamas[data-modo="abiertas"] .lama span { height: 4px; }
.lamas[data-modo="entornadas"] .lama span { height: 22px; }
.lamas[data-modo="cerradas"] .lama span { height: 44px; }
.funciona-texto { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.funciona-texto > p.claro { max-width: 540px; }
.modo { min-height: 48px; margin: 0 10px 10px 0; padding: 0 22px; border: 2px solid var(--hueso); background: transparent; color: var(--hueso); font-family: inherit; font-size: 16px; font-weight: 700; cursor: pointer; }
.modo[aria-pressed="true"] { background: var(--hueso); color: var(--carbon); }
.modo-info { border-top: 1px solid #4A5359; padding-top: 22px; display: flex; flex-direction: column; gap: 8px; max-width: 540px; min-height: 130px; }
.modo-info h3 { font-size: 22px; line-height: 1.2; font-weight: 800; font-stretch: 125%; }

/* Proceso */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 36px 32px; }
.pasos li { border-top: 4px solid var(--carbon); padding-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.paso-num { font-size: 40px; line-height: 1; font-weight: 800; font-stretch: 125%; color: var(--naranja); }
.pasos h3 { margin-top: 6px; font-size: 20px; line-height: 1.2; font-weight: 800; }
.pasos p { color: var(--gris-texto); }

/* Trabajos */
.obras { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px 28px; }
.obras figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.obras figcaption { font-size: 15px; color: var(--gris-texto); }

/* Contacto */
.contacto { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 56px 72px; }
.contacto-texto { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.contacto-texto > p.claro { max-width: 460px; }
.contacto-datos { margin: 10px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 22px 32px; }
.contacto-datos dd { margin: 2px 0 0; overflow-wrap: anywhere; }
.contacto-datos dd.grande { font-size: 20px; font-weight: 700; }
.contacto-email { grid-column: 1 / -1; }
.contacto-datos .contacto-email dd { overflow-wrap: normal; white-space: nowrap; font-size: clamp(16px, 5vw, 20px); }
.formulario { flex: 1 1 420px; min-width: 0; background: var(--hueso); color: var(--carbon); padding: 34px 32px; display: flex; flex-direction: column; gap: 18px; }
.campos { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label { font-size: 14px; font-weight: 700; }
.campo input, .campo select, .campo textarea { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--gris-borde); border-radius: 0; background: #FFFFFF; color: var(--carbon); font-family: inherit; font-size: 16px; }
.campo textarea { padding: 12px 14px; line-height: 1.5; resize: vertical; }
.form-estado { padding: 14px 16px; background: #FFFFFF; border: 1px solid var(--gris-borde); font-size: 15px; }
.form-nota { font-size: 14px; color: var(--gris-suave); }
.form-nota a { text-decoration: underline; }

/* Pie */
.pie { background: var(--carbon-2); color: var(--hueso); }
.pie-fila { padding-top: 36px; padding-bottom: 36px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; font-size: 14px; }
.pie-marca { display: flex; align-items: baseline; gap: 8px; font-size: 15px; font-stretch: 125%; letter-spacing: 0.03em; }
.pie-marca strong { font-weight: 800; }
.pie-marca span { font-weight: 300; }
.pie-legal { display: flex; flex-wrap: wrap; gap: 4px 26px; color: var(--gris-claro); }
.pie-legal a { padding: 12px 0; }
.pie-copy { color: var(--gris-medio); }
.pie-dist { color: var(--gris-claro); }
.pie-dist strong { color: var(--hueso); }

/* Páginas legales y de error */
.legal { max-width: 820px; margin: 0 auto; padding: 72px 24px 96px; display: flex; flex-direction: column; gap: 18px; }
.legal h1 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 10px; }
.legal h2 { font-size: 22px; font-stretch: 100%; margin-top: 18px; }
.legal ul { margin: 0; padding-left: 22px; }
.legal a { text-decoration: underline; }
.legal .volver { font-weight: 700; margin-top: 18px; align-self: flex-start; }

/* Aparición al hacer scroll (la clase la pone main.js solo a lo que está fuera de pantalla) */
.aparece { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.aparece.visible { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .bloque { padding-top: 64px; padding-bottom: 64px; gap: 36px; }
  .portada { padding-top: 40px; padding-bottom: 64px; gap: 36px; }
  .menu { gap: 0 20px; }
  .formulario { padding: 26px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .lama span { transition: none; }
}