/* =========================================================
   Avanza Logistic — estilos
   Paleta tomada del mundo del contenedor: azul de costado,
   amarillo de señalización y tinta de manifiesto.
   ========================================================= */

:root {
  --tinta: #0F2A3D;          /* texto y fondos oscuros */
  --azul: #1D5B8C;           /* marca, enlaces, botones secundarios */
  --azul-panel: #163F63;     /* costado del contenedor (hero) */
  --senal: #F2B81F;          /* amarillo de señalización, acciones principales */
  --papel: #F2F5F7;          /* fondos claros alternos */
  --acero: #5A6772;          /* texto secundario */
  --linea: #D4DCE2;          /* bordes y divisiones */
  --blanco: #FFFFFF;

  --ok: #1F7A45;
  --error: #B42318;

  --f-display: "Barlow Condensed", "Arial Narrow", "DejaVu Sans Condensed", sans-serif;
  --f-body: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;

  --wrap: 1180px;
  --r: 4px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--azul); text-underline-offset: .18em; }
a:hover { color: var(--tinta); }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.02;
  margin: 0 0 .5em;
  letter-spacing: .005em;
}
h2 { font-size: clamp(2.3rem, 4.6vw, 3.6rem); }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.35rem; }

p { margin: 0 0 1em; max-width: 62ch; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2rem);
}

:focus-visible { outline: 3px solid var(--azul); outline-offset: 2px; }
.on-dark :focus-visible { outline-color: var(--senal); }

.skip {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--senal); color: var(--tinta);
  padding: .6rem 1rem; font-weight: 600; border-radius: var(--r);
}
.skip:focus { top: 1rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .02em;
  line-height: 1.1;
  padding: .72rem 1.25rem;
  border: 2px solid transparent;
  border-radius: var(--r);
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-lg { font-size: 1.3rem; padding: .9rem 1.6rem; }
.btn-block { width: 100%; }

.btn-senal { background: var(--senal); color: var(--tinta); }
.btn-senal:hover { background: #FFC83A; color: var(--tinta); }

.btn-azul { background: var(--azul); color: var(--blanco); }
.btn-azul:hover { background: var(--tinta); color: var(--blanco); }

.btn-ghost { border-color: rgba(255,255,255,.6); color: var(--blanco); }
.btn-ghost:hover { border-color: var(--blanco); background: rgba(255,255,255,.08); color: var(--blanco); }

.btn[disabled] { opacity: .65; cursor: progress; }

/* ---------- Encabezado ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--linea);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
  gap: 1.5rem;
}

.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  color: var(--tinta); text-decoration: none;
}
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-name {
  display: flex; flex-direction: column;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.75rem;
  line-height: .85;
  letter-spacing: .01em;
}
.brand-name span {
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .14em;
  color: var(--azul);
  margin-top: .22rem;
}

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a:not(.btn) {
  color: var(--tinta);
  font-weight: 500;
  text-decoration: none;
  padding: .3rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:not(.btn):hover { border-bottom-color: var(--senal); }
.nav-cta { font-size: 1.1rem; padding: .55rem 1.1rem; }

.nav-toggle {
  display: none;
  align-items: center; gap: .55rem;
  background: none; border: 1.5px solid var(--linea); border-radius: var(--r);
  padding: .5rem .8rem;
  font: 600 1rem var(--f-body); color: var(--tinta);
  cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block; width: 18px; height: 2px; background: currentColor; position: relative;
  transition: transform .2s ease;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero: costado de contenedor ---------- */
.hero {
  position: relative;
  color: var(--blanco);
  background-color: var(--azul-panel);
  /* sombreado arriba/abajo + corrugado trapezoidal vertical */
  background-image:
    linear-gradient(180deg, rgba(0,0,0,.28) 0, rgba(0,0,0,0) 14%, rgba(0,0,0,0) 78%, rgba(0,0,0,.32) 100%),
    repeating-linear-gradient(90deg,
      rgba(255,255,255,0) 0 20px,
      rgba(255,255,255,.075) 20px 27px,
      rgba(0,0,0,.07) 27px 45px,
      rgba(0,0,0,.2) 45px 52px);
  padding: clamp(3rem, 7vw, 5.5rem) 0 2.25rem;
  overflow: hidden;
}
/* rieles superior e inferior del contenedor */
.hero::before, .hero::after {
  content: ""; position: absolute; left: 0; right: 0; height: 12px;
  background: linear-gradient(180deg, #0F3150, #1A4A73 45%, #0E2C47);
}
.hero::before { top: 0; }
.hero::after { bottom: 0; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(3.3rem, 8.4vw, 7rem);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.005em;
  max-width: 10.5ch;
  margin-bottom: .35em;
}
.hero-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  color: rgba(255,255,255,.88);
  max-width: 46ch;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

/* Tarjeta de cotización rápida con aspecto de etiqueta de carga */
.quick-quote {
  background: var(--blanco);
  color: var(--tinta);
  border-radius: 6px;
  padding: 1.4rem 1.5rem 1.2rem;
  box-shadow: 0 22px 44px rgba(4, 18, 30, .38);
  border-top: 8px solid var(--senal);
  animation: llega .7s cubic-bezier(.2, .7, .2, 1) .15s both;
}
@keyframes llega {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: none; }
}
.qq-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-bottom: .9rem; margin-bottom: 1rem;
  border-bottom: 2px solid var(--tinta);
}
.qq-head h2 { font-size: 1.7rem; margin: 0; }
.qq-barcode {
  width: 86px; height: 26px; flex: none;
  background: repeating-linear-gradient(90deg,
    var(--tinta) 0 2px, transparent 2px 4px,
    var(--tinta) 4px 7px, transparent 7px 8px,
    var(--tinta) 8px 9px, transparent 9px 12px,
    var(--tinta) 12px 13px, transparent 13px 15px);
}
.qq-note { font-size: .92rem; color: var(--acero); margin: .7rem 0 0; }

/* Marcas pintadas de la puerta del contenedor */
.container-marks {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  gap: .5rem 2.5rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  font-family: var(--f-display);
  color: rgba(255,255,255,.66);
  text-transform: uppercase;
  line-height: 1.1;
}
.cm-code { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: .09em; color: rgba(255,255,255,.8); }
.cm-code b {
  display: inline-block; font-weight: 700;
  border: 2px solid currentColor; padding: 0 .22em; margin-left: .05em;
}
.cm-type { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: .09em; }
.cm-data { display: grid; grid-template-columns: repeat(4, auto); gap: 0 1.6rem; margin: 0; font-size: .95rem; font-weight: 600; letter-spacing: .06em; }
.cm-data dt { opacity: .75; }
.cm-data dd { margin: 0; }

/* ---------- Secciones generales ---------- */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 1rem 3rem;
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--acero); font-size: 1.12rem; }

.lista { list-style: none; padding: 0; margin: 0 0 1rem; }
.lista li { position: relative; padding-left: 1.4rem; margin-bottom: .45rem; }
.lista li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 9px; height: 10px;
  background: var(--senal);
  clip-path: polygon(0 0, 55% 0, 100% 50%, 55% 100%, 0 100%, 45% 50%);
}

/* ---------- Ventajas ---------- */
.ventajas { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.ventajas h2 { margin-bottom: 2rem; }
.ventajas-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
}
.ventaja { border-top: 4px solid var(--tinta); padding-top: 1.1rem; }
.ventaja h3 { font-size: clamp(1.9rem, 2.8vw, 2.4rem); font-weight: 800; margin-bottom: .35em; }
.ventaja p { color: var(--acero); margin: 0; }

/* ---------- Servicios ---------- */
.servicios { background: var(--papel); padding: clamp(3.5rem, 7vw, 6rem) 0; }

.modos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}
.modo {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: 6px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex; flex-direction: column;
}
.modo-icon, .complemento svg {
  width: 44px; height: 44px;
  fill: none; stroke: var(--azul); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
  margin-bottom: 1rem;
}
.modo h3 { font-size: clamp(2rem, 3.2vw, 2.6rem); font-weight: 800; }
.modo > p { color: var(--acero); }
.modo-ruta {
  margin: auto 0 0;
  padding-top: 1rem;
  border-top: 1.5px dashed var(--linea);
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--azul);
}

.complementos-title { margin: clamp(2.5rem, 5vw, 3.5rem) 0 1.25rem; font-size: 1.9rem; }
.complementos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--linea);
}
.complemento { padding: 1.5rem 1.5rem 0 0; }
.complemento + .complemento { padding-left: 1.5rem; border-left: 1px solid var(--linea); }
.complemento svg { width: 34px; height: 34px; margin-bottom: .75rem; }
.complemento h4 { margin-bottom: .3em; }
.complemento p { color: var(--acero); font-size: 1rem; margin: 0; }

/* ---------- Proceso (una ruta con paradas) ---------- */
.proceso { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.ruta {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  position: relative;
}
.ruta::before {
  content: ""; position: absolute;
  top: 23px; left: 24px;
  right: calc(25% - 1.5rem - 24px);   /* termina en la última parada */
  border-top: 2px dashed #9DB0C0;
}
.ruta li { position: relative; }
.ruta-punto {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--blanco);
  border: 2.5px solid var(--azul);
  font-family: var(--f-display); font-weight: 700; font-size: 1.45rem;
  color: var(--azul);
  margin-bottom: 1.1rem;
}
.ruta li:last-child .ruta-punto { background: var(--senal); border-color: var(--senal); color: var(--tinta); }
.ruta h3 { font-size: 1.55rem; margin-bottom: .35em; }
.ruta p { color: var(--acero); margin: 0; }

/* ---------- Cotización ---------- */
.cotizar { background: var(--papel); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.cotizar-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.cotizar-intro { position: sticky; top: calc(var(--header-h) + 2rem); }
.cotizar-intro > p { font-size: 1.12rem; color: var(--acero); }
.cotizar-intro h3 { font-size: 1.45rem; margin-top: 1.75rem; }
.cotizar-alt { margin-top: 1.5rem; font-size: 1rem; }
.cotizar-alt a { font-weight: 600; }

/* ---------- Formularios ---------- */
.form-panel {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: 6px;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}
.form-panel fieldset {
  border: 0; margin: 0 0 1.75rem; padding: 1.5rem 0 0;
  border-top: 1px solid var(--linea);
  min-width: 0;
}
.form-panel fieldset:first-of-type { border-top: 0; padding-top: 0; }
.form-panel legend {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.55rem;
  padding: 0;
  margin-bottom: .9rem;
  float: left; width: 100%;   /* permite margen inferior en todos los navegadores */
}
.form-panel legend + * { clear: both; }

.field { display: flex; flex-direction: column; gap: .32rem; margin-bottom: 1rem; min-width: 0; }
.field > label, .label { font-weight: 600; font-size: .96rem; }
.req { color: var(--error); }

input, select, textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--tinta);
  background: var(--blanco);
  width: 100%;
  padding: .66rem .8rem;
  border: 1.5px solid #A9B6C0;
  border-radius: var(--r);
  transition: border-color .15s ease;
}
textarea { resize: vertical; min-height: 3.2rem; }
input::placeholder, textarea::placeholder { color: #8594A0; }
input:hover, select:hover, textarea:hover { border-color: var(--acero); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--azul); outline-offset: 0; }
[aria-invalid="true"] { border-color: var(--error) !important; }
.error-msg { color: var(--error); font-size: .9rem; font-weight: 500; min-height: 0; }
.error-msg:empty { display: none; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 1rem; }
[hidden] { display: none !important; }

/* Selector segmentado (radios) */
.seg-group { border: 0; margin: 0 0 1rem; padding: 0; min-width: 0; }
.seg-group legend { font-weight: 600; font-size: .96rem; margin-bottom: .35rem; padding: 0; }
.seg {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 2px solid var(--tinta);
  border-radius: var(--r);
  overflow: hidden;
}
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
  display: block; text-align: center;
  padding: .55rem .5rem;
  font-family: var(--f-display); font-weight: 700; font-size: 1.12rem;
  transition: background-color .15s ease, color .15s ease;
}
.seg label + label span { border-left: 2px solid var(--tinta); }
.seg input:checked + span { background: var(--tinta); color: var(--blanco); }
.seg input:focus-visible + span { outline: 3px solid var(--azul); outline-offset: -5px; }
.seg-light { border-color: #A9B6C0; }
.seg-light label + label span { border-left-color: #A9B6C0; }
.seg-light input:checked + span { background: var(--azul); }

.checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1rem; }
.checks label { display: flex; align-items: flex-start; gap: .55rem; font-weight: 400; cursor: pointer; }
.checks input { width: 1.1rem; height: 1.1rem; margin: .22rem 0 0; flex: none; accent-color: var(--azul); }

.form-legal { font-size: .9rem; color: var(--acero); margin: .8rem 0 0; }

.form-status { margin-top: 1rem; border-radius: var(--r); font-weight: 500; }
.form-status:empty { display: none; }
.form-status.is-ok { padding: .9rem 1rem; background: #E6F3EB; color: #134A2B; border-left: 4px solid var(--ok); }
.form-status.is-err { padding: .9rem 1rem; background: #FCEBE9; color: #7A1A12; border-left: 4px solid var(--error); }
.form-status:focus { outline: none; }

/* Trampa anti-spam: invisible para personas */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Preguntas ---------- */
.preguntas { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.preguntas-inner > * { max-width: 860px; }
.preguntas h2 { margin-bottom: 1.25rem; }
.preguntas details { border-bottom: 1px solid var(--linea); }
.preguntas details:first-of-type { border-top: 1px solid var(--linea); }
.preguntas summary {
  list-style: none;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem 0;
  font-family: var(--f-display); font-weight: 700; font-size: 1.45rem; line-height: 1.15;
}
.preguntas summary::-webkit-details-marker { display: none; }
.preguntas summary::after {
  content: ""; flex: none;
  width: 14px; height: 14px;
  border-right: 2.5px solid var(--azul); border-bottom: 2.5px solid var(--azul);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform .2s ease;
}
.preguntas details[open] summary::after { transform: rotate(225deg) translate(-3px, -3px); }
.preguntas details p { color: var(--acero); padding-bottom: .5rem; }

/* ---------- Contacto ---------- */
.contacto { background: var(--tinta); color: var(--blanco); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.contacto a { color: var(--blanco); }
.contacto a:hover { color: var(--senal); }
.contacto-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.contacto-lead { color: rgba(255,255,255,.78); font-size: 1.12rem; }

.correos, .datos { margin: 1.75rem 0 0; }
.correos > div, .datos > div {
  padding: .85rem 0;
  border-top: 1px solid rgba(255,255,255,.16);
}
.correos dt {
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(1.3rem, 2.4vw, 1.6rem); line-height: 1.15;
  overflow-wrap: anywhere;
}
.correos dt a { text-decoration: none; }
.correos dt a:hover { text-decoration: underline; }
.correos dd { margin: .1rem 0 0; color: rgba(255,255,255,.68); }

.datos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2rem; }
.datos dt { font-size: .9rem; color: rgba(255,255,255,.62); }
.datos dd { margin: .1rem 0 0; font-weight: 500; }

.form-contacto { border: 0; color: var(--tinta); }
.form-contacto h3 { font-size: 1.8rem; margin-bottom: .8em; }

/* ---------- Pie ---------- */
.site-footer { background: #0A1F2E; color: rgba(255,255,255,.7); font-size: .95rem; padding: 1.75rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.footer-brand { display: flex; align-items: center; gap: .75rem; }
.footer-brand .brand-mark { width: 28px; height: 28px; }
.footer-nav { display: flex; gap: 1.5rem; }
.footer-nav a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer-nav a:hover { color: var(--senal); }
.site-footer :focus-visible { outline-color: var(--senal); }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 40;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: #1FA855; color: var(--blanco);
  box-shadow: 0 8px 22px rgba(0,0,0,.28);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.06); color: var(--blanco); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .quick-quote { max-width: 520px; }
  .hero h1 { max-width: 12ch; }
  .complementos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .complemento:nth-child(3) { padding-left: 0; border-left: 0; }
  .complemento:nth-child(n+3) { border-top: 1px solid var(--linea); margin-top: 1.5rem; }
  .cotizar-grid, .contacto-grid { grid-template-columns: 1fr; }
  .cotizar-intro { position: static; }
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--linea);
    padding: .5rem clamp(1.1rem, 4vw, 2rem) 1.25rem;
    box-shadow: 0 14px 24px rgba(15,42,61,.12);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: .85rem 0; border-bottom: 1px solid var(--linea); }
  .nav a:not(.btn):hover { border-bottom-color: var(--linea); color: var(--azul); }
  .nav-cta { margin-top: 1rem; }
  .header-inner { position: relative; }

  .section-head { grid-template-columns: 1fr; }
  .ventajas-grid { grid-template-columns: 1fr; gap: 2rem; }
  .modos { grid-template-columns: 1fr; }

  .ruta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
  .ruta::before { display: none; }
}

@media (max-width: 600px) {
  :root { --header-h: 64px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-name { font-size: 1.5rem; }
  .brand-name span { font-size: .82rem; }

  .hero-actions .btn { width: 100%; }
  .container-marks { gap: .4rem 1.5rem; }
  .cm-data { display: none; }

  .complementos { grid-template-columns: 1fr; }
  .complemento, .complemento + .complemento { padding: 1.25rem 0 0; border-left: 0; }
  .complemento:nth-child(n+2) { border-top: 1px solid var(--linea); margin-top: 1.25rem; }

  /* ruta vertical en móvil */
  .ruta { grid-template-columns: 1fr; gap: 1.5rem; }
  .ruta li { padding-left: 64px; }
  .ruta li::before {
    content: ""; position: absolute; left: 23px; top: 48px; bottom: -1.5rem;
    border-left: 2px dashed #9DB0C0;
  }
  .ruta li:last-child::before { display: none; }
  .ruta-punto { position: absolute; left: 0; top: 0; }

  .grid-2, .grid-3, .checks, .datos { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .wa-float { width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}