/* Urbicon — página pública. Colores del volante: naranja sobre gris carbón. */
:root {
  --naranja: #F29F05;
  --naranja-hover: #FFB224;
  --naranja-texto: #B86E00;        /* naranja legible sobre fondo claro */
  --carbon: #1E1F21;
  --carbon-2: #2A2B2E;
  --carbon-3: #3A3B3F;
  --gris-fondo: #F3F2EF;
  --blanco: #FFFFFF;
  --texto: #1E1F21;
  --texto-suave: #5C5D61;
  --texto-claro: #E9E8E4;
  --texto-claro-suave: #A9A8A3;
  --borde: #E2E0DA;
  --radio: 14px;
  --sombra: 0 1px 2px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.06);
  --ancho: 1180px;
  --titulos: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --cuerpo: 'Barlow', 'Segoe UI', Arial, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--cuerpo); font-size: 17px; line-height: 1.6; color: var(--texto); background: var(--blanco); }
img, svg { display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--titulos); line-height: 1.05; margin: 0; letter-spacing: .2px; }
h2 { font-size: clamp(34px, 4.4vw, 50px); font-weight: 700; text-transform: uppercase; }
h3 { font-size: 22px; font-weight: 700; }
p { margin: 0; }

.envoltura { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.icono { width: 20px; height: 20px; flex: none; }
.saltar { position: absolute; left: -9999px; top: 8px; background: var(--naranja); color: var(--carbon); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }

.etiqueta { font-family: var(--titulos); font-weight: 700; font-size: 15px; letter-spacing: 2.4px; text-transform: uppercase; color: var(--naranja-texto); margin-bottom: 10px; }
.seccion--oscura .etiqueta, .portada .etiqueta, .residuos .etiqueta { color: var(--naranja); }

/* ── Botones ── */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 10px;
  font-family: var(--cuerpo); font-weight: 600; font-size: 16px; text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; white-space: nowrap; }
.boton:active { transform: translateY(1px); }
.boton--naranja { background: var(--naranja); color: var(--carbon); }
.boton--naranja:hover { background: var(--naranja-hover); }
.boton--contorno { border-color: rgba(255,255,255,.55); color: var(--blanco); }
.boton--contorno:hover { border-color: var(--blanco); background: rgba(255,255,255,.08); }
.boton--grande { padding: 15px 26px; font-size: 17px; }

/* ── Encabezado ── */
.encabezado { position: fixed; inset: 0 0 auto 0; z-index: 50; color: var(--blanco); background: var(--carbon); border-bottom: 1px solid var(--carbon-3); transition: box-shadow .25s ease; }
.encabezado.con-fondo { box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.encabezado__fila { display: flex; align-items: center; gap: 28px; height: 76px; }
.logo { color: var(--blanco); flex: none; }
.logo svg { width: 190px; height: auto; aspect-ratio: 300 / 72; }
.menu { display: flex; gap: 26px; margin-left: auto; }
.menu a { text-decoration: none; font-weight: 500; font-size: 16px; color: var(--texto-claro); position: relative; padding: 6px 0; }
.menu a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--naranja); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.menu a:hover { color: var(--blanco); }
.menu a:hover::after { transform: scaleX(1); }
.encabezado__llamar { padding: 9px 16px; }
.menu__abrir { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; padding: 10px; }
.menu__abrir span { display: block; height: 2px; background: var(--blanco); margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }
.menu__abrir[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu__abrir[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu__abrir[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Portada ── */
.portada { position: relative; min-height: min(100vh, 860px); display: flex; align-items: center; color: var(--blanco); background: var(--carbon); overflow: hidden; }
.portada__foto { position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,21,23,.94) 0%, rgba(20,21,23,.78) 42%, rgba(20,21,23,.25) 100%),
              url('https://images.unsplash.com/photo-1583024011792-b165975b52f5?w=2000&q=70&auto=format') center 60% / cover no-repeat; }
.portada__foto::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--naranja); }
.portada__texto { position: relative; padding-top: 120px; padding-bottom: 96px; }
.portada h1 { font-size: clamp(44px, 6.6vw, 84px); font-weight: 800; text-transform: uppercase; max-width: 860px; }
.portada h1 span { color: var(--naranja); }
.portada__sub { margin-top: 22px; max-width: 560px; font-size: 19px; color: var(--texto-claro); }
.portada__botones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.sellos { list-style: none; padding: 0; margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 12px 28px; }
.sellos li { display: flex; align-items: center; gap: 10px; font-weight: 500; color: var(--texto-claro); }
.sellos .icono { color: var(--naranja); }

/* ── Franja ── */
.franja { background: var(--carbon); color: var(--blanco); }
.franja__fila { display: grid; grid-template-columns: repeat(4, 1fr); }
.franja__fila > div { padding: 26px 20px; border-left: 1px solid var(--carbon-3); display: flex; flex-direction: column; gap: 2px; }
.franja__fila > div:first-child { border-left: 0; padding-left: 0; }
.franja strong { font-family: var(--titulos); font-size: 34px; font-weight: 800; color: var(--naranja); line-height: 1; }
.franja span { color: var(--texto-claro-suave); font-size: 15px; }

/* ── Secciones ── */
.seccion { padding: 104px 0; }
.seccion--oscura { background: var(--carbon-2); color: var(--blanco); }
.seccion--gris { background: var(--gris-fondo); }
.seccion__titulo { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.seccion__titulo p:not(.etiqueta) { margin-top: 14px; color: var(--texto-suave); font-size: 18px; }
.seccion__titulo--izq { text-align: left; margin: 0 0 32px; }

/* Maquinaria */
.maquinas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.maquina { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; position: relative; overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.maquina::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--naranja); transform: scaleY(0); transform-origin: top; transition: transform .25s ease; }
.maquina:hover { transform: translateY(-4px); box-shadow: var(--sombra); border-color: transparent; }
.maquina:hover::before { transform: scaleY(1); }
.maquina__icono { width: 84px; height: 52px; color: var(--carbon); margin-bottom: 18px; }
.maquina h3 { font-size: 26px; text-transform: uppercase; }
.maquina p { margin-top: 8px; color: var(--texto-suave); }

/* Residuos */
.residuos { padding: 0; background: var(--blanco); }
.residuos__caja { display: grid; grid-template-columns: 3fr 2fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 72px; color: var(--blanco);
  background: linear-gradient(100deg, rgba(30,31,33,.97) 0%, rgba(30,31,33,.88) 60%, rgba(30,31,33,.7) 100%),
              url('https://images.unsplash.com/photo-1580901369227-308f6f40bdeb?w=1600&q=65&auto=format') center / cover;
  border-radius: 20px; margin-top: 104px; margin-bottom: 104px; padding-left: 56px; padding-right: 56px; max-width: calc(var(--ancho) - 48px); }
.residuos h2 { margin-bottom: 16px; }
.residuos p { color: var(--texto-claro); font-size: 18px; margin-bottom: 26px; max-width: 560px; }
.residuos p strong { color: var(--blanco); }
.residuos__puntos { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.residuos__puntos li { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); font-weight: 600; }
.residuos__puntos .icono { color: var(--naranja); width: 24px; height: 24px; }

/* Servicios: todo lo que ofrecemos, por grupos */
.grupos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grupo { background: var(--blanco); border-radius: var(--radio); border-top: 5px solid var(--naranja); box-shadow: var(--sombra); padding: 30px 32px 28px;
  transition: transform .22s ease, box-shadow .22s ease; }
.grupo:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(0,0,0,.06), 0 16px 36px rgba(0,0,0,.1); }
.grupo__cabeza { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.grupo__cabeza .icono { width: 48px; height: 48px; padding: 11px; border-radius: 12px; background: var(--carbon); color: var(--naranja); }
.grupo h3 { font-size: 28px; text-transform: uppercase; }
.grupo ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 24px; }
.grupo li { break-inside: avoid; position: relative; padding: 7px 0 7px 26px; font-weight: 500; font-size: 17px; border-bottom: 1px dashed var(--borde); }
.grupo li::before { content: ''; position: absolute; left: 2px; top: 13px; width: 12px; height: 7px; border-left: 2.5px solid var(--naranja); border-bottom: 2.5px solid var(--naranja); transform: rotate(-45deg); }
.grupos__pie { text-align: center; margin-top: 30px; font-size: 18px; color: var(--texto-suave); }
.grupos__pie a { color: var(--naranja-texto); font-weight: 600; }

/* Contacto */
.contacto { display: grid; grid-template-columns: 5fr 6fr; gap: 64px; align-items: start; }
.contacto__datos > p:not(.etiqueta) { color: var(--texto-claro); margin-top: 16px; font-size: 18px; }
.contacto__lista { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 22px; }
.contacto__lista li { display: flex; gap: 16px; }
.contacto__lista .icono { width: 44px; height: 44px; padding: 11px; border-radius: 12px; background: rgba(242,159,5,.14); color: var(--naranja); }
.contacto__lista span { display: block; font-size: 14px; color: var(--texto-claro-suave); text-transform: uppercase; letter-spacing: 1.4px; font-weight: 600; }
.contacto__lista a { color: var(--blanco); text-decoration: none; font-weight: 600; font-size: 18px; }
.contacto__lista a:hover { color: var(--naranja); }

.formulario { background: var(--blanco); color: var(--texto); border-radius: 18px; padding: 36px; box-shadow: 0 20px 50px rgba(0,0,0,.3); display: grid; gap: 16px; }
.formulario h3 { font-size: 28px; text-transform: uppercase; }
.formulario__rejilla { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.formulario label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.formulario input:not([type="checkbox"]), .formulario textarea { width: 100%; font: inherit; font-weight: 400; font-size: 16px; padding: 12px 14px; border: 1.5px solid var(--borde); border-radius: 10px; background: #FBFAF8; color: var(--texto);
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease; }
.formulario input:focus, .formulario textarea:focus { outline: none; border-color: var(--naranja); box-shadow: 0 0 0 4px rgba(242,159,5,.18); background: var(--blanco); }
.formulario textarea { resize: vertical; min-height: 110px; }
.formulario .invalido { border-color: #C9372C !important; }
.formulario__acepto { display: flex !important; align-items: center; gap: 10px; font-weight: 500 !important; }
.formulario__acepto input { width: 18px; height: 18px; accent-color: var(--naranja); }
.formulario__acepto a { color: var(--naranja-texto); }
.formulario button { justify-self: start; }
.formulario button[disabled] { opacity: .6; cursor: wait; }
.formulario__aviso { font-weight: 500; min-height: 1.6em; }
.formulario__aviso.bien { color: #1F7A3A; }
.formulario__aviso.mal { color: #C9372C; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Pie */
.pie { background: var(--carbon); color: var(--texto-claro-suave); padding: 56px 0 28px; font-size: 15px; }
.pie__fila { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--carbon-3); }
.pie__logo { width: 200px; height: auto; aspect-ratio: 300 / 72; color: var(--blanco); margin-bottom: 14px; }
.pie__enlaces { display: grid; gap: 8px; align-content: start; text-align: right; }
.pie__enlaces a { text-decoration: none; }
.pie__enlaces a:hover { color: var(--naranja); }
.pie__legal { padding-top: 22px; font-size: 14px; }

/* Aparecer al bajar */
.aparece { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.aparece.visible { opacity: 1; transform: none; }

/* ── Pantallas medianas y chicas ── */
@media (max-width: 1060px) {
  .menu { gap: 18px; }
  .encabezado__llamar { display: none; }
}
@media (max-width: 900px) {
  .menu__abrir { display: block; }
  .menu { position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0; background: var(--carbon); padding: 8px 24px 20px; margin: 0;
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s; box-shadow: 0 20px 40px rgba(0,0,0,.35); }
  .menu.abierto { transform: none; opacity: 1; visibility: visible; }
  .menu a { padding: 14px 0; border-bottom: 1px solid var(--carbon-3); }
  .encabezado.menu-abierto { background: var(--carbon); }
  .maquinas { grid-template-columns: repeat(2, 1fr); }
  .contacto, .residuos__caja, .grupos { grid-template-columns: 1fr; gap: 40px; }
  .grupos { gap: 20px; }
  .franja__fila { grid-template-columns: repeat(2, 1fr); }
  .franja__fila > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .residuos__caja { padding-left: 32px; padding-right: 32px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .envoltura { padding: 0 16px; }
  .seccion { padding: 72px 0; }
  .logo svg { width: 160px; }
  .maquinas, .formulario__rejilla { grid-template-columns: 1fr; }
  .formulario { padding: 24px; }
  .residuos__caja { margin: 72px 16px; padding: 40px 20px; max-width: none; width: auto; }
  .pie__enlaces { text-align: left; }
  .grupo { padding: 24px 20px; }
  .grupo ul { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .aparece { opacity: 1; transform: none; }
}