/* =============================================================
   SINDELARS · Servicios Profesionales de Seguridad
   Concepto: "Nada librado al azar" — la web como una ronda nocturna.
   Grafito dominante con acentos del rojo de la marca, tipografía fina.
   1. Tokens
   ============================================================= */
:root {
  --black:   #151517;
  --black-2: #1c1c1f;
  --black-3: #232327;
  --white:   #f5f5f4;
  --grey-1:  #c4c4c1;
  --grey-2:  #8a8a87;
  --grey-3:  #4a4a48;
  --line:    rgba(245, 245, 244, .13);
  --line-2:  rgba(245, 245, 244, .3);
  --red:      #d6303a;   /* rojo del logo: fondos y botones */
  --red-dark: #b0242d;
  --red-text: #f0575e;   /* rojo legible sobre grafito (AA) */
  --red-deep: #4a0f14;

  --sans:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Inter Tight", "Inter", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "Consolas", monospace;

  --step-0:  clamp(1rem, .96rem + .2vw, 1.0625rem);
  --step-1:  clamp(1.15rem, 1.05rem + .45vw, 1.4rem);
  --step-2:  clamp(1.4rem, 1.15rem + 1vw, 2rem);
  --step-3:  clamp(2rem, 1.4rem + 2.6vw, 3.6rem);
  --step-4:  clamp(3.2rem, 1.2rem + 8.4vw, 10rem);

  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --section: clamp(5rem, 11vw, 11rem);
  --header-h: 4.75rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); background: var(--black); }
body {
  font-family: var(--sans); font-size: var(--step-0); line-height: 1.7;
  color: var(--grey-1); background: var(--black);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
p { text-wrap: pretty; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; color: var(--white); line-height: 1.06; letter-spacing: -0.025em; text-wrap: balance; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 1px solid var(--white); outline-offset: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: 88rem; margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 999; padding: .6rem 1rem; background: var(--white); color: var(--black); }
.skip-link:focus { top: 1rem; }
.label { display: block; font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--red-text); }
.h2 { font-size: var(--step-3); font-weight: 300; max-width: 20ch; margin-top: 1.25rem; }
.section-head { margin-bottom: clamp(3rem, 6vw, 5.5rem); }

/* CCTV overlay text — sin cajas, solo tipografía mono */
.cctv { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: rgba(245,245,244,.75); pointer-events: none; }
.cctv span { display: inline-flex; align-items: center; gap: .5rem; }
.rec { width: 7px; height: 7px; border-radius: 50%; background: var(--red); animation: blink 1.6s steps(2, start) infinite; }

/* =============================================================
   4. Components
   ============================================================= */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px; padding: 1rem 1.9rem;
  font-weight: 500; font-size: .95rem; letter-spacing: .01em;
  transition: background-color .4s var(--ease-out), color .4s var(--ease-out), transform .4s var(--ease-out);
}
.btn-light { background: var(--red); color: #fff; }
.btn-light:hover { background: var(--red-dark); transform: translateY(-2px); }
.btn-text { display: inline-flex; align-items: center; min-height: 48px; color: var(--grey-1); border-bottom: 1px solid var(--line-2); transition: color .3s, border-color .3s; }
.btn-text:hover { color: var(--white); border-color: var(--white); }

/* =============================================================
   5. Sections
   ============================================================= */

/* Header */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background-color .4s, border-color .4s, transform .5s var(--ease-out); border-bottom: 1px solid transparent; }
.site-header.is-scrolled, .site-header.is-open { background: rgba(21,21,23,.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.site-header.is-hidden { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 1rem; }
.brand img { width: clamp(160px, 38vw, 13rem); height: auto; }
.nav-toggle { width: 44px; height: 44px; display: grid; place-items: center; }
.nav-toggle-bars, .nav-toggle-bars::before { display: block; width: 24px; height: 1px; background: var(--white); transition: transform .3s var(--ease-out); }
.nav-toggle-bars { position: relative; transform: translateY(-3.5px); }
.nav-toggle-bars::before { content: ""; position: absolute; left: 0; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(-7px) rotate(-90deg); }
.nav-list { position: fixed; inset: var(--header-h) 0 auto 0; display: none; flex-direction: column; padding: 1rem var(--gutter) 2rem; background: var(--black); border-bottom: 1px solid var(--line); }
.nav-list.is-open { display: flex; }
.nav-list a { display: block; padding: .9rem 0; font-family: var(--display); font-size: 1.6rem; font-weight: 300; color: var(--white); border-bottom: 1px solid var(--line); }
.no-js .nav-list { display: flex; position: static; }

/* Hero — linterna */
.hero { position: relative; isolation: isolate; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: calc(var(--header-h) + 2rem) 0 clamp(2.5rem, 5vw, 4rem); --x: 62%; --y: 45%; --r: 240px; }
.hero-media, .hero-layer, .hero-layer img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media { z-index: -2; }
.hero-layer img { object-fit: cover; object-position: 55% 100%; }
.hero-dark img { filter: grayscale(1) brightness(.62) contrast(1.15); }
.hero-lit { -webkit-mask-image: radial-gradient(circle var(--r) at var(--x) var(--y), #000 0%, rgba(0,0,0,.9) 30%, rgba(0,0,0,.35) 65%, transparent 100%); mask-image: radial-gradient(circle var(--r) at var(--x) var(--y), #000 0%, rgba(0,0,0,.9) 30%, rgba(0,0,0,.35) 65%, transparent 100%); }
.hero-lit img { filter: brightness(1.35) saturate(.7) contrast(1.05); }
.no-js .hero-lit { display: none; }
.hero-shade { position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(to top, rgba(21,21,23,.96) 0%, rgba(21,21,23,.55) 34%, rgba(21,21,23,0) 62%), linear-gradient(to bottom, rgba(21,21,23,.6), rgba(21,21,23,0) 22%); }
.cctv-top { position: absolute; top: calc(var(--header-h) + 1rem); left: 0; right: 0; }
.hero-inner { width: 100%; }
.kicker { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-1); }
.hero-title { margin-top: 1.25rem; font-size: var(--step-4); font-weight: 300; line-height: .92; letter-spacing: -0.045em; }
.hero-foot { display: grid; gap: 2rem; margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.75rem; border-top: 1px solid var(--line-2); }
.hero-lead { font-size: var(--step-1); line-height: 1.55; color: var(--grey-1); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }
.hero-hint { position: absolute; right: var(--gutter); bottom: 50%; transform: rotate(90deg) translateX(50%); transform-origin: right bottom; font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--grey-2); display: none; }

/* Trust marquee */
.trust { padding: clamp(2.5rem, 5vw, 4rem) 0; border-bottom: 1px solid var(--line); }
.trust-label { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--red-text); margin-bottom: 1.5rem; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 60s linear infinite; }
.marquee ul { display: flex; flex: none; }
.marquee li { font-family: var(--display); font-weight: 300; font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3.2rem); letter-spacing: -0.02em; color: #5c5c5f; white-space: nowrap; padding-inline: clamp(1.5rem, 3vw, 3rem); transition: color .4s; }
.marquee li:hover { color: var(--white); }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* Método — imagen fija + pasos */
.method { padding-block: var(--section); border-top: 1px solid var(--line); }
.method-grid { display: grid; gap: 3rem; }
.method-visual { position: relative; }
.method-frame { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--black-2); box-shadow: 0 40px 80px -40px rgba(0,0,0,.6); }
.method-frame::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--red); z-index: 3; }
.method-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); filter: grayscale(.85) contrast(1.08) brightness(1.08); transition: opacity 1s var(--ease-out), transform 1.6s var(--ease-out), filter .8s; }
.method-frame img.is-active { opacity: 1; transform: none; }
.method-frame:hover img.is-active { filter: grayscale(0) brightness(.95); }
.no-js .method-frame img:first-child { opacity: 1; transform: none; }
.cctv-frame { position: absolute; left: 1rem; right: 1rem; bottom: .9rem; }
.method-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(21,21,23,.7), transparent 40%); pointer-events: none; }
.cctv-frame { z-index: 2; }
.steps { display: grid; }
.step { position: relative; padding: 2rem 0 2.25rem; border-top: 1px solid var(--line); transition: opacity .5s var(--ease-out); }
.step::before { content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--red); transition: width .9s var(--ease-out); }
.step.is-active::before { width: 100%; }
.step:last-child { border-bottom: 1px solid var(--line); }
.js .step { opacity: .35; }
.js .step.is-active { opacity: 1; }
.step-n { display: block; font-family: var(--display); font-weight: 300; font-size: clamp(2.6rem, 1.8rem + 2.6vw, 4.6rem); line-height: 1; letter-spacing: -0.04em; color: var(--red); }
.step h3 { margin-top: .75rem; font-size: var(--step-2); font-weight: 400; }
.step p { margin-top: .75rem; max-width: 52ch; }

/* Servicios — filas que se abren */
.services { padding-block: var(--section); border-top: 1px solid var(--line); background: var(--black-2); }
.svc-list { border-top: 1px solid var(--line); }
.svc { position: relative; isolation: isolate; display: grid; gap: .5rem 2rem; padding: 1.75rem 0; border-bottom: 1px solid var(--line); overflow: hidden; }
.svc-bg { position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .6s var(--ease-out); }
.svc-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.4) brightness(.35); transform: scale(1.06); transition: transform 1.2s var(--ease-out); }
.svc:hover .svc-bg, .svc:focus-visible .svc-bg { opacity: 1; }
.svc:hover .svc-bg img { transform: none; }
.svc-go { font-size: .85rem; font-weight: 500; color: var(--red-text); display: inline-flex; gap: .5rem; align-items: center; }
.svc-go span { transition: transform .4s var(--ease-out); }
.svc:hover .svc-go span { transform: translateX(6px); }
.svc-n { font-family: var(--mono); font-size: .8rem; color: var(--red-text); padding-top: .65rem; }
.svc h3 { font-size: clamp(1.6rem, 1.2rem + 2vw, 3rem); font-weight: 300; letter-spacing: -0.03em; transition: transform .6s var(--ease-out), color .4s; }
.svc p { max-width: 46ch; }

/* Diagnóstico */
.diag { position: relative; isolation: isolate; padding-block: var(--section); border-top: 1px solid var(--line); overflow: hidden; }
.diag-bg { position: absolute; inset: 0; z-index: -1; opacity: .28; }
.diag-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.diag-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, var(--black), rgba(21,21,23,.4) 40%, var(--black)); }
.diag-inner { display: grid; gap: 3rem; }
.diag-inner .section-head { margin-bottom: 0; }
.diag-form { display: grid; gap: 2.5rem; }
.q { border: 0; }
.q legend { display: flex; align-items: baseline; gap: .9rem; font-family: var(--display); font-size: var(--step-1); color: var(--white); margin-bottom: 1rem; }
.q legend span { font-family: var(--mono); font-size: .8rem; color: var(--red-text); }
.opts { display: grid; border-top: 1px solid var(--line); }
.opts label { position: relative; display: flex; align-items: center; gap: 1rem; padding: .95rem 0; border-bottom: 1px solid var(--line); cursor: pointer; color: var(--grey-2); transition: color .3s, padding-left .4s var(--ease-out); }
.opts label::before { content: ""; width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--grey-3); flex: none; transition: background-color .3s, border-color .3s; }
.opts label:hover { color: var(--white); }
.opts input { position: absolute; opacity: 0; pointer-events: none; }
.opts label:has(input:checked) { color: var(--white); padding-left: .5rem; }
.opts label:has(input:checked)::before { background: var(--red); border-color: var(--red); box-shadow: 0 0 0 4px rgba(214,48,58,.22); }
.opts label:has(input:focus-visible) { outline: 1px solid var(--white); outline-offset: 2px; }
.diag-result { padding-top: 2rem; border-top: 1px solid var(--line-2); }
.diag-summary { margin-top: 1rem; font-family: var(--display); font-weight: 300; font-size: var(--step-2); line-height: 1.25; color: var(--white); max-width: 30ch; }
.diag-plan { margin-top: 1.75rem; counter-reset: p; }
.diag-plan li { counter-increment: p; display: grid; grid-template-columns: 2.25rem 1fr; padding: .8rem 0; border-top: 1px solid var(--line); animation: rise .6s var(--ease-out) both; }
.diag-plan li::before { content: "0" counter(p); font-family: var(--mono); font-size: .75rem; color: var(--red-text); padding-top: .3rem; }
.diag-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; margin-top: 2rem; }

/* Legal */
.legal { padding-block: var(--section); border-top: 1px solid var(--line); }
.legal-grid { display: grid; gap: 3rem; }
.legal-text { margin-top: 2rem; max-width: 52ch; }
.covers { align-self: end; border-top: 1px solid var(--line); }
.covers li { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.cover-k { font-family: var(--display); font-size: var(--step-2); font-weight: 300; color: var(--red-text); line-height: 1.1; }

/* Clientes */
.clients { padding-block: var(--section); border-top: 1px solid var(--line); background: var(--black-2); }
.client-cols { display: grid; gap: 2.5rem 2rem; }
.cg h3 { font-family: var(--sans); font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--red-text); margin-bottom: 1rem; }
.cg ul + h3 { margin-top: 2rem; }
.cg li { color: var(--white); line-height: 1.95; }
.consorcios { margin-top: clamp(3rem, 5vw, 4rem); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.consorcios summary { cursor: pointer; list-style: none; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .5rem 1rem; padding: 1.5rem 0; font-family: var(--display); font-size: var(--step-1); color: var(--white); }
.consorcios summary::-webkit-details-marker { display: none; }
.consorcios summary span { font-family: var(--sans); font-size: .85rem; color: var(--grey-2); }
.consorcios summary span::after { content: "+"; margin-left: .75rem; display: inline-block; transition: transform .3s var(--ease-out); }
.consorcios[open] summary span::after { transform: rotate(45deg); }
.consorcios ul { display: grid; gap: 0 2rem; padding-bottom: 2rem; }
.consorcios li { padding: .4rem 0; font-size: .95rem; }

/* Empresa + socios */
.about { padding-block: var(--section); border-top: 1px solid var(--line); }
.about-grid { display: grid; gap: 3.5rem; }
.about-text { margin-top: 2rem; max-width: 56ch; }
.people { border-top: 1px solid var(--line); align-self: end; }
.people li { padding: 1.75rem 0; border-bottom: 1px solid var(--line); }
.people h3 { margin-top: .5rem; font-size: var(--step-3); font-weight: 300; }
.people-note { color: var(--grey-2); border-bottom: 0 !important; }

/* FAQ */
.faq { padding-block: var(--section); border-top: 1px solid var(--line); background: var(--black-2); }
.faq-grid { display: grid; gap: 2.5rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1.5rem; padding: 1.5rem 0; font-family: var(--display); font-size: var(--step-1); color: var(--white); line-height: 1.35; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--red-text); transition: transform .3s var(--ease-out); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding-bottom: 1.75rem; max-width: 62ch; }

/* Contacto */
.contact { padding-top: var(--section); background: radial-gradient(120% 90% at 85% 0%, #8e1c24 0%, #5a1218 38%, #2a0b0e 75%, var(--black) 100%); }
.contact .label, .contact .field label, .contact .form-note { color: rgba(255,255,255,.75); }
.contact .contact-list, .contact .contact-list li { border-color: rgba(255,255,255,.22); }
.contact .field input, .contact .field textarea { border-color: rgba(255,255,255,.4); }
.contact .field input:focus, .contact .field textarea:focus { border-color: #fff; }
.contact .btn-light { background: #fff; color: var(--red-deep); }
.contact .btn-light:hover { background: #f1e9e9; }
.contact .contact-lead { color: rgba(255,255,255,.85); }
.contact-title { font-size: clamp(2.6rem, 1.2rem + 6vw, 8rem); font-weight: 300; line-height: .95; letter-spacing: -0.045em; max-width: 13ch; }
.contact-grid { display: grid; gap: 3.5rem; margin-top: clamp(3rem, 6vw, 5rem); padding-bottom: var(--section); }
.contact-lead { font-size: var(--step-1); max-width: 34ch; }
.contact-list { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.contact-list li { display: grid; gap: .3rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.contact-list a { font-family: var(--display); font-size: var(--step-1); color: var(--white); transition: opacity .3s; }
.contact-list a:hover { opacity: .7; }
.form { display: grid; gap: 1.75rem; align-content: start; }
.field { display: grid; gap: .35rem; }
.field label { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey-2); }
.field input, .field textarea { width: 100%; font: inherit; color: var(--white); background: transparent; border: 0; border-bottom: 1px solid var(--line-2); border-radius: 0; padding: .6rem 0; min-height: 44px; transition: border-color .3s; }
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--white); }
.form .btn { justify-self: start; margin-top: .5rem; }
.form-note { font-size: .82rem; color: var(--grey-2); }
.map-wrap { height: 400px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(1) invert(.92) contrast(.9); }

/* Footer */
.footer { padding: 3.5rem 0 6rem; border-top: 1px solid var(--line); font-size: .9rem; color: var(--grey-2); }
.footer-grid { display: grid; gap: 1.75rem; align-items: center; }
.footer img { width: 190px; }
.footer a:hover { color: var(--white); }

/* Barra móvil */
.mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; display: grid; grid-template-columns: 1fr 1fr 1.25fr; background: rgba(21,21,23,.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.mbar a { display: flex; align-items: center; justify-content: center; min-height: 56px; font-size: .9rem; font-weight: 500; color: var(--white); }
.mbar a + a { border-left: 1px solid var(--line); }
.mbar a.mbar-cta { background: var(--red); color: #fff; }

/* =============================================================
   6. Effects
   ============================================================= */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); transition-delay: var(--rd, 0ms); }
.js .reveal.is-in { opacity: 1; transform: none; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes blink { to { visibility: hidden; } }
@keyframes marquee { to { transform: translateX(-50%); } }
.hero-inner > * { animation: rise 1.1s var(--ease-out) both; }
.hero-inner > :nth-child(2) { animation-delay: .12s; }
.hero-inner > :nth-child(3) { animation-delay: .3s; }

/* =============================================================
   7. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .consorcios ul { grid-template-columns: 1fr 1fr; }
  .client-cols { grid-template-columns: 1fr 1fr; }
  .opts { grid-template-columns: 1fr 1fr; column-gap: 2rem; }
}
@media (min-width: 720px) {
  .figures-list { grid-template-columns: repeat(4, 1fr); }
  .svc { grid-template-columns: 4rem 1fr 1fr; align-items: baseline; padding: 2.25rem 1rem; }
  .svc-go { grid-column: 3; }
  .footer-grid { grid-template-columns: auto 1fr auto; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 4rem; }
  .map-wrap { height: 460px; }
}
@media (min-width: 960px) {
  :root { --header-h: 5.5rem; }
  .nav-toggle { display: none; }
  .nav-list { position: static; display: flex; flex-direction: row; align-items: center; gap: 2.25rem; padding: 0; background: none; border: 0; }
  .nav-list a { padding: .4rem 0; font-family: var(--sans); font-size: .875rem; font-weight: 400; color: var(--grey-1); border: 0; transition: color .3s; }
  .nav-list a:hover, .nav-list a.is-active { color: var(--white); }
  .nav-list a.nav-cta { padding: .6rem 1.2rem; background: var(--red); color: #fff; transition: background-color .3s; }
  .nav-list a.nav-cta:hover { background: var(--red-dark); color: #fff; }
  .hero-foot { grid-template-columns: 1.1fr 1fr; align-items: end; }
  .hero-actions { justify-content: flex-end; }
  .hero-hint { display: block; }
  .method-grid { grid-template-columns: 1.15fr 1fr; gap: clamp(3rem, 6vw, 6rem); align-items: start; }
  .method-grid { grid-template-columns: 1.25fr 1fr; }
  .method-visual { position: sticky; top: calc(var(--header-h) + 2rem); }
  .method-frame { aspect-ratio: auto; height: min(calc(100vh - var(--header-h) - 4rem), 52rem); }
  .step { padding: 2.5rem 0 3rem; min-height: 38vh; display: flex; flex-direction: column; justify-content: center; }
  .svc { grid-template-columns: 5rem 1.25fr 1fr 9rem; align-items: center; padding: 2.4rem 1.5rem; }
  .svc-go { grid-column: auto; justify-self: end; }
  .svc:hover h3, .svc:focus-visible h3 { transform: translateX(1rem); }
  .js .svc-list:hover li:not(:hover) .svc h3 { color: #6a6a6d; }
  .diag-inner { grid-template-columns: 1.1fr 1fr; column-gap: clamp(3rem, 6vw, 6rem); align-items: start; }
  .diag-inner .section-head { grid-column: 1 / -1; }
  .diag-result { position: sticky; top: calc(var(--header-h) + 3rem); padding: clamp(2rem, 3vw, 3rem); border: 0; border-left: 3px solid var(--red); background: rgba(28,28,31,.88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
  .opts { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1.3fr 1fr; gap: 6rem; }
  .client-cols { grid-template-columns: repeat(4, 1fr); }
  .consorcios ul { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1.2fr 1fr; gap: 6rem; }
  .faq-grid { grid-template-columns: 1fr 2fr; gap: 4rem; }
  .mbar { display: none; }
  .footer { padding-bottom: 3.5rem; }
}
@media (min-width: 1280px) {
  .opts { grid-template-columns: 1fr 1fr; }
}

/* Pantallas grandes: todo escala proporcionalmente para no dejar costados vacíos */
@media (min-width: 1800px) {
  html { font-size: calc(100% + (100vw - 1800px) * .0065); }
  .container { max-width: 92rem; }
}

/* =============================================================
   8. Reduced motion — solo lo intrusivo
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation-duration: 180s; }
  .rec { animation: none; }
}

/* Método en celular/tablet: la imagen queda fija arriba mientras se leen los pasos */
@media (max-width: 959px) {
  .method-visual { position: sticky; top: var(--header-h); z-index: 2; background: var(--black); padding-bottom: 1rem; }
  .method-frame { aspect-ratio: 16 / 10; }
  .method-grid { gap: 0; }
  .step { min-height: 52vh; }
}


/* =============================================================
   9. Multipágina: menú de servicios, logos, sectores, compromiso
   ============================================================= */
.btn-sm { min-height: 44px; padding: .65rem 1.2rem; font-size: .85rem; }
.ico { width: 1.15em; height: 1.15em; flex: none; }

/* Submenú de servicios */
.sub { display: grid; padding: .25rem 0 .75rem 1rem; }
.sub a { font-family: var(--sans) !important; font-size: 1rem !important; font-weight: 400 !important; padding: .55rem 0 !important; color: var(--grey-1) !important; border: 0 !important; display: flex; gap: .75rem; }
.sub a span { font-family: var(--mono); font-size: .75rem; color: var(--red-text); padding-top: .2rem; }
.nav-list { max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
@media (min-width: 960px) {
  .nav-list { max-height: none; overflow: visible; }
  .has-sub { position: relative; }
  .has-sub > a::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: .5rem; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-3px) rotate(45deg); }
  .sub { position: absolute; top: 100%; left: -1.5rem; min-width: 22rem; padding: .75rem 0; background: rgba(21,21,23,.97); border: 1px solid var(--line); border-top: 2px solid var(--red); box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), visibility .3s; }
  .has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
  .sub a { padding: .6rem 1.5rem !important; font-size: .9rem !important; }
  .sub a:hover { background: var(--black-3); color: var(--white) !important; }
  .nav-list { gap: 2rem; }
}

/* Marquesina de logos */
.logo-row { display: flex; flex: none; gap: 1rem; padding-right: 1rem; }
.marquee .logo-row li { padding: 0; }
.logo-row img { width: 180px; height: 90px; object-fit: contain; background: #fff; filter: grayscale(1) contrast(1.05); opacity: .8; transition: filter .4s, opacity .4s; }
.logo-row img:hover { filter: none; opacity: 1; }

/* Encabezado de sección partido */
.section-head-split { display: grid; gap: 1.5rem; align-items: end; }
.section-intro { max-width: 46ch; color: var(--grey-1); }
@media (min-width: 960px) { .section-head-split { grid-template-columns: 1.3fr 1fr; gap: 4rem; } }

/* Extras incluidos */
.extras { margin-top: clamp(3.5rem, 6vw, 5rem); }
.extras-list { display: grid; gap: 2rem; margin-top: 1.5rem; }
.extras-list li { padding-top: 1.25rem; border-top: 2px solid var(--red); }
.extras-list h3 { font-size: var(--step-1); font-weight: 500; margin-bottom: .5rem; }
.extras-list p { font-size: .95rem; }
@media (min-width: 720px) { .extras-list { grid-template-columns: repeat(3, 1fr); } }

/* Sectores */
.sectors { padding-block: var(--section); border-top: 1px solid var(--line); }
.sector-list { display: grid; border-top: 1px solid var(--line); }
.sector-list li { position: relative; display: flex; align-items: baseline; gap: 1.25rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); font-family: var(--display); font-weight: 300; font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3.4rem); letter-spacing: -0.03em; color: var(--white); transition: color .4s, padding-left .5s var(--ease-out); }
.sector-list li span { font-family: var(--mono); font-size: .8rem; letter-spacing: 0; color: var(--red-text); }
.sector-list li::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--red); transition: width .7s var(--ease-out); }
.sector-list li:hover { padding-left: .75rem; }
.sector-list li:hover::after { width: 100%; }
@media (min-width: 720px) { .sector-list { grid-template-columns: 1fr 1fr; column-gap: 3rem; } }
@media (min-width: 1280px) { .sector-list { grid-template-columns: repeat(3, 1fr); } }

/* Compromiso */
.commit { padding-block: var(--section); border-top: 1px solid var(--line); background: var(--black-2); }
.commit-grid { display: grid; gap: 3rem; align-items: start; }
.commit-media { position: relative; overflow: hidden; }
.commit-media::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--red); z-index: 1; }
.commit-media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 20%; filter: grayscale(.3) contrast(1.05); }
.commit-list { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.commit-list li { padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.commit-list h3 { font-size: var(--step-1); font-weight: 500; margin-bottom: .6rem; }
.commit-list p { font-size: .95rem; max-width: 60ch; }
@media (min-width: 960px) { .commit-grid { grid-template-columns: 1fr 1.15fr; gap: clamp(3rem, 6vw, 6rem); } .commit-media { position: sticky; top: calc(var(--header-h) + 2rem); } }

/* Legal */
.legal-badge { display: inline-flex; align-items: center; gap: .6rem; margin-top: 2rem; padding: .6rem 1rem; border: 1px solid rgba(214,48,58,.45); color: var(--white); font-size: .85rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
.rec-static { animation: none; }
.covers strong { color: var(--white); font-weight: 500; }
.legal-grid > div > .label + .covers { margin-top: 1.25rem; }

/* Grilla de logos */
.logo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.logo-grid li { background: #fff; display: grid; place-items: center; }
.logo-grid img { width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: contain; filter: grayscale(1); opacity: .85; transition: filter .4s, opacity .4s; }
.logo-grid li:hover img { filter: none; opacity: 1; }
.logo-text { font-family: var(--display); font-size: 1.3rem; color: #333; aspect-ratio: 2 / 1; }
@media (min-width: 540px) { .logo-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .logo-grid { grid-template-columns: repeat(6, 1fr); } }

/* Contacto */
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; margin-top: 2rem; }
.contact .btn-text { color: #fff; border-color: rgba(255,255,255,.5); }
.contact .contact-title { margin-top: 1.25rem; }

/* Footer */
.footer { padding: clamp(4rem, 7vw, 6rem) 0 6.5rem; }
.footer-top { display: grid; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.footer-brand p { margin: 1.25rem 0 1.5rem; max-width: 34ch; color: var(--grey-1); }
.footer .label { margin-bottom: 1rem; }
.footer-links li { padding: .3rem 0; color: var(--grey-1); line-height: 1.5; }
.footer-legal { margin-top: 2rem; font-size: .85rem; }
@media (min-width: 720px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 3rem; } }
@media (min-width: 960px) { .footer { padding-bottom: 3.5rem; } }

/* WhatsApp flotante (escritorio) */
.wa-float { position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 56; width: 56px; height: 56px; border-radius: 50%; display: none; place-items: center; background: var(--red); color: #fff; box-shadow: 0 12px 30px -8px rgba(214,48,58,.55); transition: transform .4s var(--ease-out), background-color .3s; }
.wa-float .ico { width: 26px; height: 26px; }
.wa-float:hover { transform: translateY(-3px) scale(1.04); background: var(--red-dark); }
@media (min-width: 960px) { .wa-float { display: grid; } }

/* =============================================================
   10. Página de servicio
   ============================================================= */
.sv-hero { position: relative; isolation: isolate; min-height: 88svh; display: flex; align-items: flex-end; overflow: hidden; padding: calc(var(--header-h) + 5rem) 0 clamp(2.5rem, 5vw, 4rem); }
.sv-hero-media { position: absolute; inset: 0; z-index: -1; }
.sv-hero-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) brightness(.55) contrast(1.05); animation: kenburns 18s ease-out both; }
.sv-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--black) 0%, rgba(21,21,23,.7) 40%, rgba(21,21,23,.25) 75%, rgba(21,21,23,.6) 100%), linear-gradient(to right, rgba(74,15,20,.45), transparent 60%); }
@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
.sv-hero-inner { width: 100%; }
.crumbs { display: flex; flex-wrap: wrap; gap: .6rem; font-size: .82rem; color: var(--grey-1); margin-bottom: 2rem; }
.crumbs a { border-bottom: 1px solid transparent; transition: border-color .3s, color .3s; }
.crumbs a:hover { color: var(--white); border-color: var(--white); }
.crumbs span[aria-current] { color: var(--white); }
.sv-title { margin-top: 1rem; font-size: clamp(2.6rem, 1.2rem + 5.4vw, 7rem); font-weight: 300; line-height: .95; letter-spacing: -0.04em; max-width: 16ch; }
.sv-hero .hero-foot { margin-top: 2.5rem; }

.sv-body { padding-block: var(--section); }
.sv-grid { display: grid; gap: 3.5rem; }
.sv-aside .label { margin-bottom: 1rem; }
.sv-menu { border-top: 1px solid var(--line); }
.sv-menu a { display: flex; gap: .9rem; align-items: baseline; padding: .95rem .75rem .95rem 0; border-bottom: 1px solid var(--line); color: var(--grey-1); transition: color .3s, padding-left .4s var(--ease-out), background-color .3s; }
.sv-menu a span { font-family: var(--mono); font-size: .75rem; color: var(--grey-2); }
.sv-menu a:hover { color: var(--white); padding-left: .5rem; }
.sv-menu a[aria-current="page"] { color: #fff; background: var(--red); padding-left: .9rem; }
.sv-menu a[aria-current="page"] span { color: rgba(255,255,255,.8); }
.sv-aside-cta { margin-top: 2rem; padding: 1.5rem; background: var(--black-2); border-left: 3px solid var(--red); display: grid; gap: .6rem; }
.sv-aside-cta p { color: var(--white); font-family: var(--display); font-size: var(--step-1); }
.sv-aside-cta a { display: inline-flex; gap: .5rem; align-items: center; color: var(--grey-1); transition: color .3s; }
.sv-aside-cta a:hover { color: var(--white); }
.sv-article > p { max-width: 62ch; }
.sv-intro { font-family: var(--display); font-weight: 300; font-size: var(--step-2); line-height: 1.35; color: var(--white); margin-bottom: 1.75rem; max-width: 34ch !important; }
.sv-includes { margin-top: 3rem; }
.sv-includes ul { margin-top: 1rem; border-top: 1px solid var(--line); }
.sv-includes li { display: grid; grid-template-columns: 3rem 1fr; padding: 1.1rem 0; border-bottom: 1px solid var(--line); color: var(--white); font-size: var(--step-1); font-family: var(--display); font-weight: 300; }
.sv-includes li span { font-family: var(--mono); font-size: .75rem; color: var(--red-text); padding-top: .4rem; }
.sv-figure { position: relative; margin-top: 3.5rem; overflow: hidden; }
.sv-figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; filter: grayscale(.25) contrast(1.05); transition: transform 1.2s var(--ease-out); }
.sv-figure:hover img { transform: scale(1.03); }
.sv-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(21,21,23,.75), transparent 45%); pointer-events: none; }
.sv-figure figcaption { position: absolute; left: 1rem; right: 1rem; bottom: .9rem; z-index: 1; }
@media (min-width: 960px) {
  .sv-grid { grid-template-columns: minmax(16rem, 1fr) 2.4fr; gap: clamp(3rem, 6vw, 7rem); align-items: start; }
  .sv-aside { position: sticky; top: calc(var(--header-h) + 2rem); }
}

/* Línea de tiempo de metodología */
.sv-method { padding-block: var(--section); border-top: 1px solid var(--line); background: var(--black-2); }
.timeline { display: grid; gap: 0; counter-reset: t; }
.timeline li { position: relative; padding: 1.75rem 0 1.75rem 2rem; border-left: 1px solid var(--line-2); }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 2.1rem; width: 11px; height: 11px; border-radius: 50%; background: var(--black-2); border: 2px solid var(--red); transition: background-color .5s; }
.timeline li.is-in::before { background: var(--red); }
.tl-n { font-family: var(--display); font-weight: 300; font-size: 2.6rem; line-height: 1; letter-spacing: -0.04em; color: var(--red); }
.timeline h3 { margin-top: .5rem; font-size: var(--step-1); font-weight: 500; }
.timeline p { margin-top: .4rem; font-size: .95rem; }
@media (min-width: 960px) {
  .timeline { grid-template-columns: repeat(5, 1fr); }
  .timeline li { padding: 3rem 1.5rem 0 0; border-left: 0; border-top: 1px solid var(--line-2); }
  .timeline li::before { left: 0; top: -6px; }
  .timeline li::after { content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--red); transition: width 1s var(--ease-out); transition-delay: var(--rd, 0ms); }
  .timeline li.is-in::after { width: 100%; }
}

/* CTA con foto */
.sv-cta { position: relative; isolation: isolate; overflow: hidden; padding-block: var(--section); }
.sv-cta-media { position: absolute; inset: 0; z-index: -1; }
.sv-cta-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.5) brightness(.5); }
.sv-cta-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(74,15,20,.96) 0%, rgba(142,28,36,.82) 45%, rgba(21,21,23,.45) 100%); }
.sv-cta .label { color: rgba(255,255,255,.8); }
.sv-cta .contact-title { margin-top: 1.25rem; }
.sv-cta .contact-lead { margin-top: 1.5rem; color: rgba(255,255,255,.88); max-width: 46ch; }
.sv-cta .btn-light { background: #fff; color: var(--red-deep); }
.sv-cta .btn-light:hover { background: #f1e9e9; }
.sv-cta .btn-text { color: #fff; border-color: rgba(255,255,255,.5); }

/* Anterior / siguiente */
.sv-pager { display: grid; border-top: 1px solid var(--line); }
.sv-pager a { display: grid; gap: .6rem; padding: clamp(2rem, 4vw, 3.5rem) var(--gutter); transition: background-color .4s; }
.sv-pager a + a { border-top: 1px solid var(--line); }
.sv-pager a:hover { background: var(--black-2); }
.sv-pager-t { font-family: var(--display); font-weight: 300; font-size: var(--step-2); color: var(--white); letter-spacing: -0.02em; }
.sv-next { text-align: right; }
@media (min-width: 720px) { .sv-pager { grid-template-columns: 1fr 1fr; } .sv-pager a + a { border-top: 0; border-left: 1px solid var(--line); } }

@media (prefers-reduced-motion: reduce) {
  .sv-hero-media img { animation: none; }
}

/* Cinta de logos más grande */
.trust { padding: clamp(3rem, 6vw, 5rem) 0; }
.logo-row { gap: 1.25rem; padding-right: 1.25rem; }
.logo-row img { width: clamp(170px, 14vw, 260px); height: auto; aspect-ratio: 2 / 1; opacity: .92; }
.marquee-track { animation-duration: 75s; }
.trust .consorcios { margin-top: clamp(2rem, 4vw, 3rem); }
.consorcios-wrap { padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.consorcios-wrap .consorcios { margin-top: 0; }
.trust { border-bottom: 0; }

/* Bloque compacto: empresa, socios y cumplimiento */
.corp { padding-block: clamp(3.5rem, 6vw, 5.5rem); border-top: 1px solid var(--line); background: var(--black); }
.corp-grid { display: grid; gap: 2.5rem; }
.corp .label { margin-bottom: 1rem; }
.corp-title { font-size: var(--step-2); font-weight: 300; margin-bottom: .9rem; }
.corp p:not(.label):not(.legal-badge) { font-size: .95rem; max-width: 44ch; }
.corp-list { border-top: 1px solid var(--line); }
.corp-list li { display: grid; gap: .15rem; padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.corp-list strong { color: var(--white); font-weight: 500; }
.corp-list span { color: var(--grey-2); font-size: .88rem; }
.corp .legal-badge { margin-top: 1.25rem; font-size: .75rem; padding: .45rem .8rem; }
@media (min-width: 960px) { .corp-grid { grid-template-columns: 1.2fr 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); } }

/* Mapa cuadrado, dentro del bloque de contacto */
.contact .map-wrap { width: 100%; height: auto; aspect-ratio: 1 / 1; margin-top: 1rem; border: 1px solid rgba(255,255,255,.22); }
@media (min-width: 720px) { .contact .map-wrap { height: auto; } }
.contact .map-wrap { max-width: 30rem; }

/* =============================================================
   11. Asistente virtual (chat con IA)
   ============================================================= */
.wa-float { display: none !important; }
.chat-launch { position: fixed; right: 1.25rem; bottom: calc(56px + 1rem + env(safe-area-inset-bottom)); z-index: 57; display: inline-flex; align-items: center; gap: .65rem; padding: .85rem 1.2rem; border-radius: 999px; background: var(--red); color: #fff; font-size: .9rem; box-shadow: 0 16px 40px -12px rgba(214,48,58,.6); transition: transform .4s var(--ease-out), background-color .3s, opacity .3s; }
.chat-launch:hover { transform: translateY(-3px); background: var(--red-dark); }
.chat-launch strong { font-weight: 600; }
.chat-launch-dot { width: 9px; height: 9px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 0 rgba(255,255,255,.7); animation: chatping 2.2s ease-out infinite; }
@keyframes chatping { 0% { box-shadow: 0 0 0 0 rgba(255,255,255,.7); } 70%, 100% { box-shadow: 0 0 0 10px rgba(255,255,255,0); } }
.chat-launch[aria-expanded="true"] { opacity: 0; pointer-events: none; }
@media (min-width: 960px) { .chat-launch { bottom: 1.5rem; right: 1.5rem; } }

.chat { position: fixed; z-index: 60; inset: auto 0 0 0; height: min(86svh, 680px); display: flex; flex-direction: column; background: var(--black-2); border-top: 3px solid var(--red); box-shadow: 0 -20px 60px -20px rgba(0,0,0,.7); }
.chat[hidden] { display: none; }
.js .chat:not([hidden]) { animation: chatin .45s var(--ease-out) both; }
@keyframes chatin { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (min-width: 720px) { .chat { inset: auto 1.5rem 1.5rem auto; width: 400px; height: min(78vh, 640px); border: 1px solid var(--line); border-top: 3px solid var(--red); } }
.chat-head { display: flex; align-items: center; gap: .8rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); background: var(--black); }
.chat-head img { width: 36px; height: 36px; border-radius: 8px; }
.chat-head > div { flex: 1; }
.chat-title { color: var(--white); font-family: var(--display); font-size: 1.05rem; }
.chat-status { display: flex; align-items: center; gap: .45rem; font-size: .78rem; color: var(--grey-2); }
.chat-status .rec { background: #3ecf6e; width: 7px; height: 7px; }
.chat-close { width: 40px; height: 40px; font-size: 1.6rem; line-height: 1; color: var(--grey-1); border-radius: 50%; transition: background-color .3s, color .3s; }
.chat-close:hover { background: var(--black-3); color: var(--white); }
.chat-log { flex: 1; overflow-y: auto; padding: 1.1rem; display: flex; flex-direction: column; gap: .7rem; overscroll-behavior: contain; }
.msg { max-width: 86%; padding: .75rem .95rem; font-size: .93rem; line-height: 1.55; white-space: pre-wrap; word-wrap: break-word; }
.msg-bot { align-self: flex-start; background: var(--black-3); color: var(--grey-1); border-left: 2px solid var(--red); }
.msg-user { align-self: flex-end; background: var(--red); color: #fff; }
.msg a { color: var(--white); text-decoration: underline; text-underline-offset: 2px; }
.msg-typing { display: inline-flex; gap: .3rem; align-items: center; }
.msg-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--grey-2); animation: typing 1.1s infinite ease-in-out; }
.msg-typing i:nth-child(2) { animation-delay: .15s; } .msg-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
.chat-chips { display: flex; gap: .5rem; padding: 0 1.1rem .8rem; overflow-x: auto; scrollbar-width: none; }
.chat-chips::-webkit-scrollbar { display: none; }
.chat-chips button { flex: none; padding: .5rem .8rem; font-size: .8rem; color: var(--grey-1); border: 1px solid var(--line-2); border-radius: 999px; transition: border-color .3s, color .3s; }
.chat-chips button:hover { border-color: var(--red); color: var(--white); }
.chat-chips[hidden] { display: none; }
.chat-form { display: flex; gap: .5rem; align-items: flex-end; padding: .8rem 1.1rem; border-top: 1px solid var(--line); background: var(--black); }
.chat-form textarea { flex: 1; resize: none; max-height: 120px; font: inherit; font-size: .95rem; color: var(--white); background: var(--black-2); border: 1px solid var(--line-2); padding: .65rem .8rem; border-radius: 0; }
.chat-form textarea:focus { outline: none; border-color: var(--red); }
.chat-form button { width: 44px; height: 44px; flex: none; display: grid; place-items: center; background: var(--red); color: #fff; transition: background-color .3s, opacity .3s; }
.chat-form button svg { width: 20px; height: 20px; }
.chat-form button:hover { background: var(--red-dark); }
.chat-form button:disabled { opacity: .45; cursor: not-allowed; }
.chat-wa { display: flex; align-items: center; gap: .5rem; padding: .6rem 1.1rem 0; font-size: .8rem; color: var(--grey-1); background: var(--black); }
.chat-wa:hover { color: var(--white); }
.chat-note { padding: .35rem 1.1rem .8rem; font-size: .7rem; color: var(--grey-2); background: var(--black); }
@media (prefers-reduced-motion: reduce) { .chat-launch-dot, .msg-typing i { animation: none; } }

/* Preguntas frecuentes dentro del asistente */
.chat-chips { display: none; }
.chat-faq { max-height: 46%; overflow-y: auto; padding: 0 1.1rem .9rem; overscroll-behavior: contain; }
.chat-faq[hidden] { display: none; }
.chat-faq-t { font-size: .7rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--red-text); margin-bottom: .5rem; }
.chat-faq button { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem .2rem; font-size: .88rem; text-align: left; color: var(--grey-1); border-top: 1px solid var(--line); transition: color .3s, padding-left .3s var(--ease-out); }
.chat-faq button:last-child { border-bottom: 1px solid var(--line); }
.chat-faq button::after { content: "→"; color: var(--red-text); flex: none; transition: transform .3s var(--ease-out); }
.chat-faq button:hover { color: var(--white); padding-left: .5rem; }
.chat-faq button:hover::after { transform: translateX(3px); }
.chat-faq-toggle { align-self: flex-start; margin: 0 1.1rem .7rem; padding: .45rem .8rem; font-size: .78rem; color: var(--grey-1); border: 1px solid var(--line-2); border-radius: 999px; transition: border-color .3s, color .3s; }
.chat-faq-toggle:hover, .chat-faq-toggle[aria-expanded="true"] { border-color: var(--red); color: var(--white); }
.chat-faq-toggle[hidden] { display: none; }
.chat-faq { max-height: none; overflow: visible; padding: .3rem 0 0; }
.chat-faq-toggle { margin-top: .7rem; }