:root {
  --petroleo: #1f4e63;
  --petroleo-osc: #123545;
  --turquesa: #2f7f98;
  --naranjo: #e8913a;
  --verde: #4f8f43;
  --claro: #eef6f8;
  --texto: #1d2b33;
  --suave: #51636d;
  --borde: #d6e4e9;
  --fondo-alt: #f6f9fa;
  --radio: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: #fff; color: var(--texto);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px; line-height: 1.6;
}
h1, h2, h3 {
  font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  letter-spacing: -.015em; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--turquesa); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--naranjo); outline-offset: 2px; }
img { max-width: 100%; height: auto; display: block; }

.contenedor { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.saltar { position: absolute; left: -999px; top: 0; background: var(--petroleo); color: #fff; padding: 8px 14px; z-index: 10; }
.saltar:focus { left: 8px; }

/* Cabecera */
header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--borde); }
.barra { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.logo img { height: 106px; width: auto; }
.logo-grande { width: 100%; max-width: 380px; justify-self: center; filter: drop-shadow(0 14px 26px rgba(18, 53, 69, .12)); }
nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--texto); font-weight: 500; }
nav a:hover { color: var(--turquesa); }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 2px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primario { background: var(--naranjo); color: #fff; box-shadow: 0 8px 22px rgba(232, 145, 58, .35); }
.btn-primario:hover { background: #d97f27; }
.btn-claro { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-claro:hover { background: rgba(255, 255, 255, .22); }
.btn-borde { background: #fff; color: var(--petroleo); border-color: var(--petroleo); }
.btn-borde:hover { background: var(--claro); }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; }

/* Portada */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(60% 80% at 85% 30%, rgba(47, 127, 152, .55), transparent 60%),
    radial-gradient(40% 50% at 10% 90%, rgba(232, 145, 58, .25), transparent 60%),
    linear-gradient(150deg, var(--petroleo-osc), var(--petroleo) 60%, #24606f);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; padding: 72px 20px 84px; }
.hero .etiqueta { display: inline-block; padding: 5px 14px; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25); font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #ffd7ae; margin: 0 0 18px; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.08; margin: 0 0 18px; font-weight: 800; }
.hero h1 span { color: #ffc27f; }
.hero p.lead { font-size: 1.15rem; color: #d9e9ee; margin: 0 0 28px; max-width: 46ch; }
.hero-foto { position: relative; }
.hero-foto img { border-radius: 22px; box-shadow: 0 30px 60px rgba(0, 0, 0, .35); }
.ficha {
  position: absolute; left: -22px; bottom: -26px; padding: 14px 18px; border-radius: 16px; color: #fff;
  background: linear-gradient(145deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .06));
  border: 1px solid rgba(255, 255, 255, .35); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .3); animation: flotar 6s ease-in-out infinite;
}
.ficha strong { display: block; font-size: 1.05rem; }
.ficha span { font-size: .85rem; color: #d9e9ee; }
@keyframes flotar { 50% { transform: translateY(-8px); } }
.hero-onda { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 60px; }

/* Secciones */
section { padding: 76px 0; }
.alt { background: var(--fondo-alt); }
.seccion-titulo { max-width: 62ch; margin-bottom: 36px; }
.seccion-titulo .sobre { margin: 0 0 6px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--naranjo); }
.seccion-titulo h2 { margin: 0 0 10px; font-size: clamp(1.7rem, 3.4vw, 2.3rem); color: var(--petroleo); }
.seccion-titulo p { margin: 0; color: var(--suave); }

/* Ejes */
.ejes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.eje { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; }
.eje-icono { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--claro); color: var(--turquesa); margin-bottom: 14px; }
.eje-icono svg { width: 26px; height: 26px; }
.eje h3 { margin: 0 0 6px; font-size: 1.2rem; color: var(--petroleo); }
.eje p { margin: 0; color: var(--suave); }

/* Servicios */
.servicios { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.servicio {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 24px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.servicio:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(18, 53, 69, .12); border-color: #b9d3db; }
.servicio .num { font-weight: 800; color: var(--naranjo); font-size: .9rem; letter-spacing: .08em; }
.servicio h3 { margin: 6px 0 8px; font-size: 1.1rem; color: var(--petroleo); line-height: 1.3; }
.servicio p { margin: 0 0 18px; color: var(--suave); font-size: .95rem; flex: 1; }
.cotizar { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; text-decoration: none; color: var(--verde); }
.cotizar::after { content: "→"; transition: transform .2s ease; }
.servicio:hover .cotizar::after { transform: translateX(4px); }

/* Flota */
.flota { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.flota img { border-radius: 20px; box-shadow: 0 20px 44px rgba(18, 53, 69, .18); }
.foto-flota { max-width: 420px; justify-self: center; }
.datos { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.datos li { background: var(--claro); border-radius: 12px; padding: 12px 14px; }
.datos strong { display: block; color: var(--petroleo); }
.datos span { font-size: .9rem; color: var(--suave); }

/* GPS */
.gps { background: linear-gradient(150deg, var(--petroleo-osc), var(--petroleo)); color: #e3eff3; }
.gps .seccion-titulo h2 { color: #fff; }
.gps .seccion-titulo p { color: #c7dde4; }
.etapas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: etapa; list-style: none; padding: 0; margin: 0; }
.etapas li { counter-increment: etapa; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--radio); padding: 26px; }
.etapas li::before { content: "0" counter(etapa); display: block; font-weight: 800; color: #ffc27f; margin-bottom: 8px; letter-spacing: .08em; }
.etapas strong { display: block; color: #fff; font-size: 1.1rem; margin-bottom: 6px; }

/* Nosotros */
.nosotros { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: center; }
.nosotros p { color: var(--suave); }
.cita { margin: 22px 0 0; padding: 18px 22px; border-left: 4px solid var(--naranjo); background: #fff7ef; border-radius: 0 var(--radio) var(--radio) 0; color: var(--texto); font-style: italic; }

/* Contacto */
.contacto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.canal { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; display: flex; flex-direction: column; gap: 4px; }
.canal strong { color: var(--petroleo); }
.canal a { font-weight: 600; word-break: break-word; }
.aviso { margin-top: 26px; padding: 16px 20px; border-left: 4px solid var(--turquesa); background: var(--claro); border-radius: 0 var(--radio) var(--radio) 0; font-size: .93rem; }

/* Pie */
footer { background: var(--petroleo-osc); color: #c7dde4; padding: 34px 0; font-size: .92rem; }
footer a { color: #fff; }
.pie { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.pie p { margin: 0; }
.creditos { display: inline-flex; align-items: center; gap: 10px; margin-left: auto; text-decoration: none; opacity: .85; transition: opacity .2s ease; }
.creditos:hover { opacity: 1; }
.creditos span { font-size: .75rem; color: #9fbcc6; }
.creditos img { height: 24px; width: auto; background: #fff; border-radius: 6px; padding: 3px 6px; }

/* Presentación descargable */
.presentacion { background: linear-gradient(150deg, #fff7ef, #ffffff 60%); }
.presentacion-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center; }
.presentacion .sobre { margin: 0 0 6px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--naranjo); }
.presentacion h2 { margin: 0 0 10px; font-size: clamp(1.7rem, 3.4vw, 2.3rem); color: var(--petroleo); }
.presentacion p { color: var(--suave); margin: 0 0 24px; }
.nota-folio { font-size: .85rem; margin: 14px 0 0 !important; }
.qr { margin: 0; justify-self: center; text-align: center; background: #fff; border: 1px solid var(--borde); border-radius: 20px; padding: 20px; box-shadow: 0 16px 36px rgba(18, 53, 69, .1); }
.qr img { width: 220px; height: 220px; }
.qr figcaption { margin-top: 10px; font-size: .9rem; color: var(--suave); }

/* Página de descarga con folio */
.descarga { max-width: 620px; margin: 0 auto; padding: 56px 20px 72px; text-align: center; }
.descarga > img { width: 200px; margin: 0 auto 18px; }
.descarga .sobre { margin: 0; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--naranjo); }
.descarga h1 { color: var(--petroleo); font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 8px 0 14px; }
.descarga .folio { display: inline-block; font-size: 1.2rem; background: var(--claro); color: var(--petroleo); border-radius: 12px; padding: 10px 22px; margin: 0 0 16px; }
.descarga .acciones { justify-content: center; margin: 22px 0; }
.descarga .nota { font-size: .85rem; color: var(--suave); }

/* Modalidades */
.modalidades { list-style: none; padding: 0; margin: 0 0 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.modalidades li { background: var(--petroleo); color: #d9e9ee; border-radius: 14px; padding: 16px 18px; font-size: .92rem; }
.modalidades strong { display: block; color: #fff; font-size: 1rem; margin-bottom: 2px; }
.base-minima { display: inline-block; margin-top: 6px; color: #ffc27f; font-weight: 700; }

/* Página legal */
.legal { padding: 56px 0 72px; }
.legal .contenedor { max-width: 780px; }
.legal h1 { color: var(--petroleo); font-size: clamp(1.8rem, 4vw, 2.4rem); margin: 0 0 6px; }
.legal h2 { font-size: 1.25rem; margin: 32px 0 8px; color: var(--petroleo); }
.legal .fecha { color: var(--suave); margin: 0 0 24px; }

/* Aparición al hacer scroll */
.js .revelar { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .revelar.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .servicios { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .flota, .nosotros, .presentacion-grid { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 52px; padding-bottom: 72px; }
  .ficha { left: 12px; bottom: -18px; }
}
@media (max-width: 720px) {
  .ejes, .etapas, .contacto-grid, .modalidades { grid-template-columns: 1fr; }
  .creditos { margin-left: 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .servicios, .datos { grid-template-columns: 1fr; }
  .logo img { height: 86px; }
  header { position: static; }
  nav ul { gap: 14px; }
  section { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .revelar { opacity: 1; transform: none; transition: none; }
  .ficha { animation: none; }
  .btn, .servicio { transition: none; }
}