:root {
  --fondo: #0b0b0d;
  --fondo2: #111114;
  --tarjeta: #17171b;
  --borde: #2a2a30;
  --oro: #f5b800;
  --oro2: #ffd54a;
  --texto: #f4f4f5;
  --suave: #a1a1aa;
  --verde: #25d366;
  --radio: 16px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 16px/1.6 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: Montserrat, Inter, sans-serif; line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); font-weight: 900; letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }

.contenedor { width: min(1140px, 100% - 32px); margin-inline: auto; }
.oro { color: var(--oro); }
.eti { color: var(--oro); font: 700 .78rem/1 Montserrat, sans-serif; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.lema { font: italic 700 1.2rem Montserrat, sans-serif; color: var(--oro2); margin-bottom: 10px; }
.lead { color: var(--suave); font-size: 1.12rem; max-width: 56ch; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border-radius: 999px; font: 700 1rem Montserrat, sans-serif; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .15s, box-shadow .15s; }
.btn svg { width: 22px; height: 22px; fill: currentColor; }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--oro2); outline-offset: 2px; }
.btn-oro { background: linear-gradient(180deg, var(--oro2), var(--oro)); color: #111; box-shadow: 0 8px 28px rgba(245, 184, 0, .25); }
.btn-borde { border-color: var(--oro); color: var(--oro); background: transparent; }
.btn-borde:hover { background: rgba(245, 184, 0, .1); }
.btn-chico { padding: 9px 18px; font-size: .9rem; }
.ancho { width: 100%; }

/* Barra superior */
.barra { position: sticky; top: 0; z-index: 50; background: rgba(11, 11, 13, .85); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.barra.sombra { border-color: var(--borde); }
.barra-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 800 1.25rem Montserrat, sans-serif; }
.marca b { color: var(--oro); }
.menu { display: flex; gap: 22px; margin-left: auto; }
.menu a { text-decoration: none; color: var(--suave); font-weight: 500; font-size: .95rem; }
.menu a:hover { color: var(--texto); }
.hamb { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.hamb span { display: block; width: 24px; height: 2px; background: var(--texto); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 64px 0 80px; background: radial-gradient(60% 70% at 78% 40%, rgba(245, 184, 0, .16), transparent 70%), var(--fondo); }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px; }
.hero-logo img { width: min(420px, 100%); margin-inline: auto; filter: drop-shadow(0 20px 60px rgba(245, 184, 0, .25)); }
.acciones { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { border: 1px solid var(--borde); background: var(--fondo2); color: var(--suave); padding: 6px 14px; border-radius: 999px; font-size: .88rem; }

/* Secciones */
.seccion { padding: 88px 0; }
.oscura { background: var(--fondo2); border-block: 1px solid var(--borde); }
.grilla { display: grid; gap: 20px; margin-top: 28px; }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.dos.alto { align-items: start; margin-top: 12px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px; transition: border-color .2s, transform .2s; }
.tarjeta p { color: var(--suave); margin: 0; }
.tarjeta:hover { border-color: rgba(245, 184, 0, .5); }
.enlace { text-decoration: none; display: block; }
.enlace:hover { transform: translateY(-3px); }
.ico { font-size: 1.8rem; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 14px; background: rgba(245, 184, 0, .12); margin-bottom: 16px; }

.pasos { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: p; }
.pasos li { position: relative; padding: 28px; border-radius: var(--radio); background: var(--fondo); border: 1px solid var(--borde); }
.pasos p { color: var(--suave); margin: 0; }
.num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--oro); color: #111; font: 900 1.2rem Montserrat, sans-serif; margin-bottom: 16px; }

.lista-check { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 14px; }
.lista-check li { position: relative; padding-left: 34px; color: var(--suave); }
.lista-check li b { color: var(--texto); }
.lista-check li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--oro) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='%23111'/%3E%3C/svg%3E") center/14px no-repeat; }
.sub { color: var(--oro); margin-top: 8px; }

.clientes { background: var(--fondo); border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px; }
.clientes ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.clientes li { border: 1px solid var(--borde); padding: 8px 16px; border-radius: 10px; color: var(--suave); }

/* Formulario */
.form { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; display: grid; gap: 14px; }
.form h3 { font-size: 1.3rem; margin: 0; }
.nota { color: var(--suave); font-size: .9rem; margin: -4px 0 4px; }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: .88rem; color: var(--suave); font-weight: 500; }
.form input, .form select, .form textarea { width: 100%; background: var(--fondo); color: var(--texto); border: 1px solid var(--borde); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: 1rem; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--oro); }
.form .malo { border-color: #ef4444; }
.error { color: #f87171; font-size: .9rem; margin: 0; min-height: 0; }
.error:empty { display: none; }
.cerrada { background: var(--tarjeta); border: 1px dashed var(--borde); border-radius: var(--radio); padding: 28px; }
.cerrada p { color: var(--suave); }

.aviso .fecha { color: var(--oro); font-size: .82rem; font-weight: 600; margin-bottom: 6px; }
.aviso h3 { margin-bottom: 8px; }
.redes { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.pie { border-top: 1px solid var(--borde); padding: 28px 0 96px; color: var(--suave); font-size: .9rem; }
.pie-in { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

.flotante { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 60px; height: 60px; border-radius: 50%; background: var(--verde); display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .45); transition: transform .15s; }
.flotante:hover { transform: scale(1.07); }
.flotante svg { width: 32px; height: 32px; fill: #fff; }

@media (max-width: 960px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .hero-in, .dos { grid-template-columns: 1fr; gap: 32px; }
  .hero-logo { order: -1; }
  .hero-logo img { width: 240px; }
  .hero { padding-top: 32px; text-align: center; }
  .hero .lead { margin-inline: auto; }
  .acciones, .chips { justify-content: center; }
}
@media (max-width: 820px) {
  .menu { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--fondo2); border-bottom: 1px solid var(--borde); display: none; }
  .menu.abierto { display: flex; }
  .menu a { padding: 16px; border-top: 1px solid var(--borde); font-size: 1rem; }
  .hamb { display: block; }
  .barra-in > .btn { margin-left: auto; }
  .pasos, .g3 { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .g4, .fila { grid-template-columns: 1fr; }
  .seccion { padding: 64px 0; }
  .acciones .btn { width: 100%; }
  .marca span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .enlace, .flotante { transition: none; }
}