/* PaviRígido · página de inicio pública.
   Misma estructura, colores y animaciones que el landing de Sendatli (paleta azul de confianza, Sora + Inter),
   sin naranja: el durazno y el ámbar de Sendatli se cambiaron por azul cielo y menta. Sólo modo de día. */
@font-face { font-family: 'Sora'; font-weight: 600; font-display: swap; src: url('/recursos/fuentes/sora-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Sora'; font-weight: 700; font-display: swap; src: url('/recursos/fuentes/sora-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 400; font-display: swap; src: url('/recursos/fuentes/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 500; font-display: swap; src: url('/recursos/fuentes/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 600; font-display: swap; src: url('/recursos/fuentes/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 700; font-display: swap; src: url('/recursos/fuentes/inter-latin-700-normal.woff2') format('woff2'); }

:root {
  --sl-blue: #2563eb; --sl-blue-dark: #1d4ed8; --sl-blue-deep: #1e3a8a; --sl-mint: #059669;
  --sl-ink: #0f172a; --sl-muted: #64748b; --sl-line: #e2e8f0; --sl-canvas: #f4f6f9; --sl-text: #334155;
  --display: 'Sora', 'Inter', system-ui, sans-serif; --body: 'Inter', system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font: 16px/1.5 var(--body); color: var(--sl-ink); background: var(--sl-canvas); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--sl-blue); outline-offset: 2px; border-radius: 4px; }

/* Menú */
.nav-wrap { position: sticky; top: 0; z-index: 40; background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--sl-line); }
.nav { max-width: 1120px; margin: 0 auto; padding: .85rem 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.marca { display: inline-flex; align-items: center; gap: .55rem; font: 700 1rem var(--display); letter-spacing: -.02em; text-decoration: none; color: var(--sl-ink); }
.marca svg { width: 1.5rem; height: 1.5rem; }
.nav-links { display: none; gap: 1.1rem; font-size: .8125rem; font-weight: 500; color: var(--sl-text); }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--sl-blue); }
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-ctas { display: flex; align-items: center; gap: .45rem; flex-shrink: 0; }
.nav-ctas a { white-space: nowrap; padding: .55rem .9rem; font-size: .8125rem; }
@media (max-width: 640px) { .nav-ctas .btn-ghost { display: none; } }

/* Botones */
.btn-primary, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.1rem; border-radius: .75rem; font: 600 .875rem var(--body); text-align: center; text-decoration: none; cursor: pointer; }
.btn-primary { background: var(--sl-blue); color: #fff; border: 0; box-shadow: 0 10px 22px rgba(37, 99, 235, .28); }
.btn-primary:hover { background: var(--sl-blue-dark); }
.btn-primary:disabled { opacity: .6; cursor: progress; }
.btn-ghost { background: transparent; color: var(--sl-blue); border: 1px solid #bfdbfe; }
.btn-ghost:hover { background: #eff6ff; border-color: var(--sl-blue); }
.btn-link { color: var(--sl-blue); font-weight: 600; font-size: .875rem; text-decoration: none; }
.btn-link:hover { color: var(--sl-blue-dark); }
.ancho { width: 100%; }

/* Encabezado con fondo animado */
.hero { position: relative; isolation: isolate; overflow: hidden; min-height: min(86vh, 50rem); display: flex; align-items: center; }
.malla, .malla-fija, .malla-velo { position: absolute; inset: 0; z-index: -1; }
.malla canvas { display: block; width: 100%; height: 100%; }
.malla-fija { display: none; background: linear-gradient(135deg, #5b8def 0%, #93c5fd 45%, #a7f3d0 100%); }
.sin-malla .malla-fija { display: block; }
.malla-velo { background: linear-gradient(180deg, rgba(255, 255, 255, .4), rgba(244, 246, 249, .85)); backdrop-filter: blur(1px); }
@media (prefers-reduced-motion: reduce) { .malla { display: none; } .malla-fija { display: block; } }
.hero-inner { position: relative; z-index: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 2.25rem 1.25rem 3.5rem; display: grid; gap: 1.75rem; align-items: center; }
@media (min-width: 920px) { .hero-inner { grid-template-columns: 1.05fr .95fr; gap: 2.25rem; } }
.eyebrow { display: inline-flex; align-items: center; gap: .45rem; font-size: .75rem; font-weight: 600; color: var(--sl-mint); margin: 0 0 .75rem; }
.eyebrow i { width: .45rem; height: .45rem; border-radius: 999px; background: var(--sl-blue); }
.h1 { font: 700 clamp(2rem, 4.8vw, 3rem)/1.06 var(--display); letter-spacing: -.035em; max-width: 15ch; }
.lead { margin-top: .9rem; font-size: 1.0625rem; color: var(--sl-text); max-width: 48ch; }
.pilares { margin-top: .9rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.pilares span { font-size: .6875rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: .3rem .65rem; border-radius: 999px; background: rgba(255, 255, 255, .78); border: 1px solid var(--sl-line); color: var(--sl-text); }
.acciones { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1.35rem; }
.confianza { margin-top: .9rem; font-size: .75rem; color: var(--sl-muted); }
.panel { background: rgba(255, 255, 255, .94); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, .55); border-radius: 1.25rem; padding: 1.35rem 1.25rem; box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .06); }
.insignia { display: inline-flex; font-size: .6875rem; font-weight: 600; color: var(--sl-blue-deep); background: #eff6ff; border: 1px solid #dbeafe; padding: .25rem .55rem; border-radius: 999px; margin-bottom: .6rem; }
.panel h2 { font: 600 1.25rem var(--display); letter-spacing: -.02em; margin-bottom: .4rem; }
.panel > p { font-size: .8125rem; color: var(--sl-muted); margin-bottom: .9rem; }
.panel-entrar { display: block; margin-top: .65rem; text-align: center; font-size: .8125rem; font-weight: 600; color: var(--sl-blue); text-decoration: none; }
.vista { margin-top: .9rem; padding-top: .9rem; border-top: 1px solid var(--sl-line); }
.vista-cab { display: flex; justify-content: space-between; align-items: center; font-size: .75rem; font-weight: 600; margin-bottom: .5rem; }
.estado-ok { padding: .15rem .5rem; border-radius: 999px; font-size: .625rem; font-weight: 600; background: #ecfdf5; color: #047857; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.kpi { border: 1px solid var(--sl-line); border-radius: .65rem; padding: .6rem; background: #fff; min-width: 0; }
.kpi .l { font-size: .5625rem; letter-spacing: .06em; text-transform: uppercase; color: var(--sl-muted); font-weight: 600; }
.kpi .v { font: 700 1rem var(--display); margin-top: .15rem; white-space: nowrap; }
.kpi .v small { font: 500 .6875rem var(--body); color: var(--sl-muted); }
.kpi .m { font-size: .6875rem; color: var(--sl-mint); font-weight: 600; margin-top: .1rem; }

/* Franjas */
.banda { border-top: 1px solid var(--sl-line); }
.banda-alt { background: #fff; }
.banda-suave { background: #f8fafc; }
.banda-tinta { background: #0b1220; color: #e2e8f0; border-top: 0; }
.seccion { max-width: 1120px; margin: 0 auto; padding: 4rem 1.25rem; }
.kicker { margin: 0 0 .5rem; font-size: .6875rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--sl-blue); }
.h2 { margin: 0 0 .65rem; font: 700 clamp(1.4rem, 3vw, 2rem)/1.15 var(--display); letter-spacing: -.03em; max-width: 26ch; }
.seo { margin: -.35rem 0 1.25rem; font-size: .875rem; color: var(--sl-muted); max-width: 64ch; }
.lede { margin: 0 0 1.75rem; font-size: 1rem; color: var(--sl-text); max-width: 60ch; }
.banda-tinta .kicker { color: #93c5fd; }
.banda-tinta .h2 { color: #fff; }
.banda-tinta .lede { color: #94a3b8; }
.rejilla-3, .rejilla-2 { display: grid; gap: .75rem; }
@media (min-width: 700px) { .rejilla-3 { grid-template-columns: repeat(3, 1fr); } .rejilla-2 { grid-template-columns: 1fr 1fr; } }
.tarjeta { background: #fff; border: 1px solid var(--sl-line); border-radius: .875rem; padding: 1rem; }
.tarjeta h3 { margin: 0 0 .25rem; font-size: .9375rem; font-weight: 600; }
.tarjeta p { font-size: .8125rem; color: var(--sl-muted); }
.ico { width: 2.25rem; height: 2.25rem; border-radius: .55rem; margin-bottom: .65rem; display: grid; place-items: center; border: 1px solid var(--sl-line); color: var(--sl-blue); background: #fff; }
.ico svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.banda-tinta .tarjeta { background: #111827; border-color: #1e293b; color: #e2e8f0; }
.banda-tinta .tarjeta p { color: #94a3b8; }
.banda-tinta .ico { background: #0b1220; border-color: #334155; color: #93c5fd; }
.cita { margin-top: 1.75rem; padding-left: 1rem; border-left: 4px solid var(--sl-blue); font-size: 1.125rem; font-weight: 600; color: var(--sl-text); max-width: 46ch; }

/* Sección del pavimento */
.figura { margin: 0; background: #fff; border: 1px solid var(--sl-line); border-radius: 1.25rem; overflow: hidden; box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 24px 56px rgba(15, 23, 42, .08); }
.figura-cab { display: flex; justify-content: space-between; gap: .75rem; flex-wrap: wrap; padding: .8rem 1.1rem; border-bottom: 1px solid var(--sl-line); font: 600 .6875rem var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--sl-muted); }
.figura-lienzo { background: radial-gradient(ellipse at 18% 0%, rgba(91, 141, 239, .10), transparent 50%), radial-gradient(ellipse at 90% 100%, rgba(167, 243, 208, .16), transparent 46%), #fbfcfe; overflow-x: auto; }
.pavimento { display: block; width: 100%; height: auto; }
@media (max-width: 640px) { .pavimento .lbl, .pavimento .cargas text { display: none; } }
.simbologia { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; padding: .8rem 1.1rem; border-top: 1px solid var(--sl-line); font-size: .75rem; color: var(--sl-text); }
.simbologia span { display: inline-flex; align-items: center; gap: .45rem; }
.simbologia i { display: inline-block; width: 22px; height: 6px; border-radius: 3px; }
.sim-pasa { background: #2563eb; }
.sim-amarre { background: repeating-linear-gradient(90deg, #059669 0 4px, #6ee7b7 4px 6px); }
.sim-junta { height: 0 !important; border-top: 1.6px solid #1e293b; border-radius: 0 !important; }
.sim-carga { width: 10px !important; height: 10px !important; background: none; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 9px solid #1d4ed8; border-radius: 0 !important; }
.capas-lista { margin-top: 1rem; display: grid; gap: .75rem; }
@media (min-width: 700px) { .capas-lista { grid-template-columns: repeat(5, 1fr); } }
.capas-lista .tarjeta { position: relative; padding-top: 1.1rem; }
.capas-lista .n { display: inline-grid; place-items: center; width: 1.6rem; height: 1.6rem; border-radius: 999px; background: #eff6ff; color: var(--sl-blue); font: 700 .75rem var(--display); margin-bottom: .55rem; }
.capas-lista .muestra { position: absolute; top: 1.1rem; right: 1rem; width: 1.6rem; height: 1.6rem; border-radius: .4rem; border: 1px solid rgba(15, 23, 42, .12); }
.m1 { background: #f1f5f9; } .m2 { background: #bfdbfe; } .m3 { background: #e0e7ff; } .m4 { background: #c7d2fe; } .m5 { background: #a7f3d0; }

/* Dibujo (las clases las genera scripts/dibujo-pavimento.mjs) */
.pavimento .pc-fondo { fill: #f8fafc; } .pavimento .pc-agregado { fill: #94a3b8; opacity: .55; }
.pavimento .pg-fondo { fill: #dbeafe; } .pavimento .pg-piedra { fill: #bfdbfe; stroke: #3b82f6; stroke-opacity: .55; stroke-width: .8; stroke-linejoin: round; }
.pavimento .pf-fondo { fill: #e0e7ff; } .pavimento .pf-grano { fill: #6366f1; opacity: .4; }
.pavimento .pr-fondo { fill: #c7d2fe; } .pavimento .pr-grano { fill: #4338ca; opacity: .35; } .pavimento .pr-piedra { fill: #e0e7ff; stroke: #4f46e5; stroke-opacity: .6; stroke-width: .8; }
.pavimento .pt-fondo { fill: #d1fae5; } .pavimento .pt-trazo { stroke: #059669; stroke-opacity: .5; stroke-width: 1; stroke-linecap: round; fill: none; }
.pavimento .luz { fill: #fff; opacity: .3; } .pavimento .sombra { fill: #0f172a; opacity: .09; }
.pavimento .arista { fill: none; stroke: #334155; stroke-width: 1.1; stroke-linejoin: round; }
.pavimento .junta, .pavimento .junta-lado { fill: none; stroke: #1e293b; stroke-width: 1.5; }
.pavimento .ranura { fill: none; stroke: #1e293b; stroke-width: 1.8; }
.pavimento .grieta { fill: none; stroke: #475569; stroke-width: .8; stroke-dasharray: 2 3; }
.pavimento .rastra { fill: none; stroke: #64748b; stroke-opacity: .28; stroke-width: .7; }
.pavimento .pasajunta { fill: #2563eb; stroke: #1d4ed8; stroke-width: .8; }
.pavimento .amarre { fill: none; stroke: #059669; stroke-width: 4.2; stroke-linecap: round; stroke-dasharray: 3.2 1.6; }
.pavimento .tendido { fill: none; stroke: #4f46e5; stroke-opacity: .28; stroke-width: .8; stroke-dasharray: 6 4; }
.pavimento .borde-terreno { fill: none; stroke: #047857; stroke-opacity: .5; stroke-width: 1.1; }
.pavimento .desvanece { opacity: .9; }
.pavimento .cota path { fill: none; stroke: #475569; stroke-width: 1; }
.pavimento .cota text { font: italic 600 14px var(--body); fill: #334155; }
.pavimento .flecha { fill: #1d4ed8; }
.pavimento .guia { fill: none; stroke: #94a3b8; stroke-width: 1; }
.pavimento .punto { fill: #0f172a; }
.pavimento .num { fill: #fff; stroke: #93c5fd; stroke-width: 1.2; }
.pavimento .tn { font: 700 12px var(--display); fill: var(--sl-blue-deep); }
.pavimento .tx { font: 600 15px var(--display); fill: var(--sl-ink); letter-spacing: -.01em; }
.pavimento .tm { font: 400 12px var(--body); fill: var(--sl-muted); }
.pavimento .cargas path { fill: none; stroke: #1d4ed8; stroke-width: 2.2; }
.pavimento .cargas ellipse { fill: #1e3a8a; opacity: .22; }
.pavimento .cargas text { font: 600 12px var(--body); fill: var(--sl-blue-deep); }
@keyframes pav-losa { 0%, 20% { transform: translateY(-132px) } 40%, 70% { transform: translateY(0) } 88%, 100% { transform: translateY(-132px) } }
.pavimento .capa-losa { transform: translateY(-132px); animation: pav-losa 11s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pav-base { 0%, 17% { transform: translateY(-84px) } 37%, 72.5% { transform: translateY(0) } 90.5%, 100% { transform: translateY(-84px) } }
.pavimento .capa-base { transform: translateY(-84px); animation: pav-base 11s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pav-subrasante { 0%, 14% { transform: translateY(-40px) } 34%, 75% { transform: translateY(0) } 93%, 100% { transform: translateY(-40px) } }
.pavimento .capa-subrasante { transform: translateY(-40px); animation: pav-subrasante 11s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pav-subyacente { 0%, 11% { transform: translateY(4px) } 31%, 77.5% { transform: translateY(0) } 95.5%, 100% { transform: translateY(4px) } }
.pavimento .capa-subyacente { transform: translateY(4px); animation: pav-subyacente 11s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pav-terreno { 0%, 8% { transform: translateY(46px) } 28%, 80% { transform: translateY(0) } 98%, 100% { transform: translateY(46px) } }
.pavimento .capa-terreno { transform: translateY(46px); animation: pav-terreno 11s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pav-cargas { 0%, 40% { opacity: 0; transform: translateY(-14px) } 46%, 64% { opacity: 1; transform: translateY(0) } 70%, 100% { opacity: 0; transform: translateY(-14px) } }
.pavimento .cargas { opacity: 0; animation: pav-cargas 11s ease-in-out infinite; }
@keyframes pav-detalle { 0%, 22% { opacity: 1 } 34%, 70% { opacity: 0 } 82%, 100% { opacity: 1 } }
.pavimento .tm { animation: pav-detalle 11s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { .pavimento .capa, .pavimento .tm { animation: none; } .pavimento .cargas { animation: none; opacity: 0; } }

/* Recorrido del sistema */
.reel { max-width: 1040px; margin: 1.25rem auto 0; }
.reel-escena-cont { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--sl-line); background: #0f172a; box-shadow: 0 24px 56px rgba(15, 23, 42, .12); aspect-ratio: 16 / 10; }
.reel-fondo { position: absolute; inset: 0; background: radial-gradient(ellipse at 12% 0%, rgba(91, 141, 239, .18), transparent 42%), radial-gradient(ellipse at 88% 100%, rgba(167, 243, 208, .14), transparent 40%), linear-gradient(160deg, #0f172a 0%, #1e293b 48%, #0f172a 100%); }
.escena { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transform: translateY(8px) scale(.992); transition: opacity .55s ease, transform .55s ease, visibility 0s linear .55s; }
.escena.activa { opacity: 1; visibility: visible; transform: none; transition: opacity .55s ease, transform .55s ease, visibility 0s; }
.escena .toma { position: absolute; inset: 0; overflow: hidden; }
.escena img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left top; transform-origin: var(--fx, 50%) var(--fy, 30%); }
.escena.activa img { animation: acercar var(--dur, 5.6s) ease-in-out both; }
@keyframes acercar { from { transform: scale(1); } to { transform: scale(var(--zoom, 1.12)); } }
.escena figcaption { position: absolute; left: 1rem; bottom: 1rem; max-width: min(30rem, calc(100% - 2rem)); display: flex; gap: .65rem; align-items: flex-start; padding: .7rem .9rem; border-radius: .85rem; background: rgba(15, 23, 42, .86); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: #e2e8f0; font-size: .8125rem; line-height: 1.45; box-shadow: 0 12px 32px rgba(15, 23, 42, .3); opacity: 0; transform: translateY(8px); transition: opacity .5s ease .35s, transform .5s ease .35s; }
.escena.activa figcaption { opacity: 1; transform: none; }
.escena figcaption b { display: block; color: #fff; font: 600 .875rem var(--display); margin-bottom: .1rem; }
.escena figcaption span.n { flex: none; display: grid; place-items: center; width: 1.6rem; height: 1.6rem; border-radius: 999px; background: var(--sl-blue); color: #fff; font: 700 .75rem var(--display); }
.cursor { position: absolute; z-index: 3; left: 0; top: 0; width: 22px; height: 22px; pointer-events: none; transform: translate(var(--cx, 50%), var(--cy, 50%)); transition: transform 1.3s cubic-bezier(.65, 0, .35, 1); filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .35)); }
.cursor-cont { position: absolute; inset: 0; pointer-events: none; }
.cursor.toca::after { content: ''; position: absolute; left: -10px; top: -10px; width: 22px; height: 22px; border-radius: 999px; border: 2px solid #60a5fa; animation: toque .6s ease-out forwards; }
@keyframes toque { from { transform: scale(.4); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }
.reel-capitulos { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem; margin-top: .9rem; }
.reel-capitulos button { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--sl-line); background: #fff; color: var(--sl-text); border-radius: 999px; padding: .35rem .75rem; font: 500 .75rem var(--body); cursor: pointer; position: relative; overflow: hidden; }
.reel-capitulos button[aria-current="true"] { border-color: #93c5fd; color: var(--sl-blue-deep); background: #eff6ff; }
.reel-capitulos button .barra { position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--sl-blue); }
.reel-capitulos button[aria-current="true"] .barra { animation: avance var(--dur, 5.6s) linear forwards; }
.reel.pausa .reel-capitulos .barra, .reel.pausa .escena.activa img { animation-play-state: paused; }
@keyframes avance { from { width: 0; } to { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .escena.activa img, .reel-capitulos .barra { animation: none !important; } .cursor { display: none; } .escena, .escena figcaption { transition: none; } }
@media (max-width: 640px) { .reel-escena-cont { aspect-ratio: 4 / 3; } .escena figcaption { font-size: .75rem; left: .6rem; bottom: .6rem; } .cursor { display: none; } }

/* Cómo funciona */
.pasos { display: grid; }
@media (min-width: 800px) { .pasos { grid-template-columns: repeat(4, 1fr); } }
.paso { padding: 1.1rem 1rem; background: #fff; border: 1px solid var(--sl-line); }
.paso + .paso { border-top: 0; }
.paso:first-child { border-radius: 1rem 1rem 0 0; }
.paso:last-child { border-radius: 0 0 1rem 1rem; }
@media (min-width: 800px) {
  .paso + .paso { border-top: 1px solid var(--sl-line); border-left: 0; }
  .paso:first-child { border-radius: 1rem 0 0 1rem; }
  .paso:last-child { border-radius: 0 1rem 1rem 0; }
}
.paso .n { width: 2.25rem; height: 2.25rem; border-radius: 999px; display: grid; place-items: center; background: #eff6ff; color: var(--sl-blue); font: 700 1rem var(--display); margin-bottom: .65rem; }
.paso h3 { margin: 0 0 .4rem; font-size: .9375rem; }
.paso p { font-size: .8125rem; color: var(--sl-muted); }
.paso p + p { margin-top: .15rem; }
.paso strong { color: var(--sl-text); font-weight: 600; }
.paso .sale { margin-top: .65rem; font-size: .75rem; font-weight: 600; color: var(--sl-mint); }

/* Métodos (estructura de «Origen» en Sendatli) */
.metodos { display: grid; gap: 1rem; }
@media (min-width: 860px) { .metodos { grid-template-columns: 280px 1fr; align-items: start; } }
.escenario { background: #fff; border: 1px solid var(--sl-line); border-radius: 1.25rem; padding: 1.75rem 1.25rem; text-align: center; box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .05); }
.escenario svg { width: 4.5rem; height: 4.5rem; color: var(--sl-ink); margin: 0 auto .9rem; display: block; }
.escenario .nombre { font: 700 1.35rem var(--display); letter-spacing: -.02em; }
.escenario .significa { font-size: .8125rem; color: var(--sl-muted); margin-top: .25rem; }
.escenario ul { list-style: none; margin: 1rem 0 0; padding: 1rem 0 0; border-top: 1px dashed #bfdbfe; display: grid; gap: .35rem; font-size: .75rem; color: var(--sl-blue-deep); font-weight: 600; }
.etiq { margin: 0 0 .35rem !important; font-size: .6875rem !important; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--sl-muted) !important; }
.tarjeta h3.titulo-metodo { font: 600 1.0625rem var(--display); letter-spacing: -.02em; color: var(--sl-blue); margin-bottom: .35rem; }

/* Preguntas frecuentes */
.faq { display: grid; gap: .65rem; max-width: 50rem; }
.faq details { border: 1px solid var(--sl-line); border-radius: .9rem; background: #fff; padding: .15rem 1rem; }
.faq summary { cursor: pointer; list-style: none; padding: .95rem 1.5rem .95rem 0; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: .95rem; color: var(--sl-muted); font-weight: 500; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: 0 0 1rem; color: var(--sl-muted); font-size: .9375rem; line-height: 1.55; max-width: 62ch; }

/* Acceso */
.acceso { text-align: center; }
.acceso .h2, .acceso .lede { margin-left: auto; margin-right: auto; }
.escenario-acceso { position: relative; max-width: 30rem; margin: 1.25rem auto 0; text-align: left; perspective: 1200px; }
.cara-acceso { width: 100%; transform-origin: center top; transition: opacity .4s cubic-bezier(.22, 1, .36, 1), transform .4s cubic-bezier(.22, 1, .36, 1), filter .4s ease, visibility 0s linear .4s; }
.cara-acceso[data-activa="si"] { position: relative; z-index: 2; opacity: 1; visibility: visible; transform: none; filter: none; transition: opacity .4s cubic-bezier(.22, 1, .36, 1), transform .4s cubic-bezier(.22, 1, .36, 1), filter .4s ease, visibility 0s; }
.cara-acceso[data-activa="no"] { position: absolute; inset: 0 auto auto 0; z-index: 1; opacity: 0; visibility: hidden; transform: translateY(1.35rem) scale(.94); filter: blur(2px); pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .cara-acceso { transition: opacity .15s ease; } .cara-acceso[data-activa="no"] { transform: none; filter: none; } }
.caja { background: #fff; border: 1px solid var(--sl-line); border-radius: 1.25rem; padding: 1.5rem; box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px rgba(15, 23, 42, .05); }
.caja-entrar { background: linear-gradient(180deg, #f8fbff 0%, #fff 40%); border-color: #bfdbfe; }
.caja .etiq { display: block; }
.caja h3 { font: 600 1.15rem var(--display); letter-spacing: -.02em; margin-bottom: .4rem; }
.caja .sub { font-size: .875rem; color: var(--sl-muted); line-height: 1.5; margin-bottom: 1rem; }
.caja form { display: grid; gap: .85rem; }
.dos { display: grid; gap: .85rem; }
@media (min-width: 520px) { .dos { grid-template-columns: 1fr 1fr; } }
.campo label { display: block; font-size: .75rem; font-weight: 600; color: var(--sl-text); margin-bottom: .35rem; }
.campo input, .campo select, .campo textarea { width: 100%; padding: .65rem .75rem; border-radius: .65rem; border: 1px solid var(--sl-line); background: #fff; color: var(--sl-ink); font: inherit; font-size: .9375rem; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid rgba(37, 99, 235, .35); border-color: var(--sl-blue); }
.casilla { display: flex; gap: .55rem; align-items: flex-start; font-size: .8125rem; color: var(--sl-muted); }
.casilla input { margin-top: .2rem; accent-color: var(--sl-blue); }
.aviso { padding: .75rem .9rem; border-radius: .65rem; font-size: .875rem; font-weight: 500; background: #eff6ff; color: var(--sl-blue-deep); margin-bottom: .9rem; }
.aviso.rojo { background: #fef2f2; color: #991b1b; margin: 0; }
.listo { padding: .75rem .9rem; border-radius: .65rem; background: #ecfdf5; color: #047857; font-size: .875rem; font-weight: 600; }
.oculto { display: none !important; }
.cambio { margin-top: .85rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; padding: .75rem .9rem; border-radius: .85rem; border: 1px dashed var(--sl-line); background: rgba(255, 255, 255, .65); }
.cambio p { font-size: .8125rem; color: var(--sl-muted); }
.volver { margin-top: 1rem; display: flex; width: 100%; justify-content: center; min-height: 2.5rem; padding: .5rem .85rem; border-radius: .75rem; border: 1px solid var(--sl-line); background: #fff; color: var(--sl-ink); font: 600 .875rem var(--body); cursor: pointer; }
.volver:hover { border-color: #93c5fd; background: #f8fbff; }
.nota { margin-top: .9rem; font-size: .75rem; color: var(--sl-muted); }
.nota a { color: var(--sl-blue); }

/* Pie */
.pie { border-top: 1px solid var(--sl-line); padding: 1.75rem 1.25rem; text-align: center; font-size: .75rem; color: var(--sl-muted); background: #fff; }
.pie nav { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-bottom: .65rem; }
.pie nav a { font-weight: 600; text-decoration: none; }
.pie nav a:hover { color: var(--sl-blue); }