/* IAFIDI · web de presentación · estilos de marca (fondo claro, rojo #E30A1E) */
/* Fuente Inter (licencia SIL OFL) alojada en la propia web: sin llamadas a servicios externos */
@font-face { font-family: Inter; src: url(../fonts/inter-regular.woff) format('woff'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-medium.woff) format('woff'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-semibold.woff) format('woff'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-bold.woff) format('woff'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-extrabold.woff) format('woff'); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-black.woff) format('woff'); font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-extrabolditalic.woff) format('woff'); font-weight: 800; font-style: italic; font-display: swap; }
@font-face { font-family: Inter; src: url(../fonts/inter-blackitalic.woff) format('woff'); font-weight: 900; font-style: italic; font-display: swap; }

:root {
  --rojo: #E30A1E; --rojo-osc: #B30818; --negro: #1D1D1B; --gris: #F2F3F5; --blanco: #fff;
  --t2: #606570; --t3: #8C919B; --linea: #DEE0E5;
  --radio: 14px; --sombra: 0 6px 20px rgba(0,0,0,.06);
  --ancho: 1180px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { font-family: Inter, "Helvetica Neue", Arial, sans-serif; color: var(--negro); background: var(--blanco); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
.contenedor { width: min(var(--ancho), 100% - 40px); margin-inline: auto; }
.rojo { color: var(--rojo); }

/* ---- botones ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 800; font-size: 15px; text-decoration: none; transition: transform .15s, background .15s, box-shadow .15s; border: 2px solid transparent; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-rojo { background: var(--rojo); color: #fff; box-shadow: 0 6px 16px rgba(227,10,30,.25); }
.btn-rojo:hover { background: var(--rojo-osc); }
.btn-borde { border-color: var(--negro); color: var(--negro); background: transparent; }
.btn-borde:hover { background: var(--negro); color: #fff; }
.btn-peq { padding: 9px 18px; font-size: 14px; box-shadow: none; }
button.btn { cursor: pointer; font-family: inherit; }

/* ---- cabecera ---- */
.cab { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.cab-in { width: min(var(--ancho), 100% - 40px); margin: auto; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.marca img { width: 170px; height: auto; }
.menu { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.menu .solo-movil { display: none; }
.tel-cab { order: 2; display: flex; align-items: center; gap: 10px; margin-left: 22px; padding-left: 22px; border-left: 1px solid var(--linea); text-decoration: none; color: var(--negro); }
.tel-cab svg { flex: none; width: 36px; height: 36px; padding: 8px; border-radius: 50%; background: #FDECEE; fill: none; stroke: var(--rojo); stroke-width: 2; stroke-linejoin: round; transition: background .15s, stroke .15s; }
.tel-cab b { display: block; font-size: 15.5px; font-weight: 800; line-height: 1.15; white-space: nowrap; }
.tel-cab small { display: block; font-size: 11.5px; font-weight: 600; color: var(--t3); white-space: nowrap; }
.tel-cab:hover svg { background: var(--rojo); stroke: #fff; }
.tel-cab:hover b { color: var(--rojo); }
.menu-btn { order: 3; }
.menu a { white-space: nowrap; text-decoration: none; font-weight: 600; font-size: 14.5px; color: var(--negro); }
.menu a:not(.btn):hover { color: var(--rojo); }
.menu-btn { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2.5px; background: var(--negro); margin: 5px auto; border-radius: 2px; transition: .2s; }

/* ---- portada ---- */
.hero { position: relative; background: var(--gris); overflow: hidden; padding: 88px 0 104px; }
.rejilla { position: absolute; inset: 0; background-image: linear-gradient(rgba(29,29,27,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(29,29,27,.045) 1px, transparent 1px); background-size: 44px 44px; pointer-events: none; }
.hero::after { content: ""; position: absolute; right: -140px; top: -160px; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, rgba(227,10,30,.13), transparent 65%); }
.hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: center; }
.etiqueta { display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--rojo); margin-bottom: 14px; }
.etiqueta-negra { color: #fff; background: var(--negro); padding: 5px 12px; border-radius: 999px; font-size: 11px; }
h1 { font-weight: 900; font-style: italic; font-size: clamp(40px, 6vw, 72px); line-height: 1.02; letter-spacing: -.02em; }
.entradilla { font-size: clamp(17px, 1.6vw, 19.5px); color: var(--t2); margin-top: 22px; max-width: 640px; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-datos { list-style: none; display: grid; gap: 14px; }
.hero-datos li { background: #fff; border-radius: var(--radio); padding: 20px 24px; box-shadow: var(--sombra); border-left: 6px solid var(--rojo); display: flex; align-items: center; gap: 18px; }
.hero-datos b { font-size: 38px; font-weight: 900; font-style: italic; color: var(--rojo); min-width: 96px; letter-spacing: -.02em; }
.hero-datos span { color: var(--t2); font-weight: 500; line-height: 1.3; }

/* ---- secciones ---- */
.seccion { padding: 96px 0; position: relative; }
.seccion.gris { background: var(--gris); }
.sec-cab { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start; margin-bottom: 44px; }
.num { font-size: 64px; font-weight: 900; font-style: italic; color: var(--rojo); line-height: .9; letter-spacing: -.03em; }
h2 { font-weight: 900; font-style: italic; font-size: clamp(30px, 3.6vw, 46px); line-height: 1.08; letter-spacing: -.015em; max-width: 900px; }
.sec-sub { color: var(--t2); font-size: 18px; margin-top: 14px; max-width: 760px; }
h3 { font-weight: 800; font-size: 21px; line-height: 1.25; margin-bottom: 8px; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dos.alinear { align-items: center; }
.tarjeta { background: #fff; border-radius: var(--radio); padding: 30px; box-shadow: var(--sombra); border: 1px solid var(--linea); }
.seccion:not(.gris) .tarjeta { background: #fff; }
.tarjeta p { color: var(--t2); }
.tarjeta.caso { border-left: 6px solid var(--rojo); }
.tarjeta.caso h3 { margin-top: 12px; }
.ico { width: 52px; height: 52px; border-radius: 14px; background: rgba(227,10,30,.08); display: grid; place-items: center; margin-bottom: 18px; }
.ico svg { width: 30px; height: 30px; fill: var(--rojo); }
.ico svg .trazo, .sect svg .trazo { fill: none; stroke: #fff; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.ico rect, .ico path { fill: var(--rojo); }
.lista { list-style: none; margin-top: 14px; display: grid; gap: 10px; }
.lista li { position: relative; padding-left: 26px; }
.lista li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 14px; border-radius: 50%; background: var(--rojo); box-shadow: inset 0 0 0 4px #fff, 0 0 0 1.5px var(--rojo); }
.grande-lista { gap: 16px; font-size: 17px; }
.banda { margin-top: 28px; background: var(--gris); color: var(--negro); border: 1px solid var(--linea); border-left: 5px solid var(--rojo); border-radius: var(--radio); padding: 24px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.seccion.gris .banda { background: #fff; box-shadow: var(--sombra); }
.banda p { color: var(--t2); } .banda b { color: var(--negro); }
.banda-btns { display: flex; gap: 12px; flex-wrap: wrap; }


/* pasos (software) */
.pasos { list-style: none; counter-reset: p; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.pasos li { counter-increment: p; background: #fff; border-radius: var(--radio); padding: 24px; position: relative; border: 1px solid var(--linea); }
.pasos li::before { content: counter(p, decimal-leading-zero); display: block; font-size: 30px; font-weight: 900; font-style: italic; color: var(--rojo); margin-bottom: 8px; }
.pasos b { display: block; font-size: 17px; } .pasos span { color: var(--t2); font-size: 15px; }

/* horario (SAT) */
.horario { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr auto; gap: 20px; align-items: center; background: var(--gris); border-radius: var(--radio); padding: 22px 28px; }
.horario b { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--t3); }
.horario span { font-weight: 700; font-size: 18px; }

/* venta */
.tres-op { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 26px; }
.op { background: #fff; border-radius: var(--radio); padding: 26px; border: 1px solid var(--linea); text-align: center; box-shadow: var(--sombra); }
.op.dest { border: 3px solid var(--rojo); transform: translateY(-8px); }
.op-t { display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--t3); margin-bottom: 8px; }
.op.dest .op-t { color: #fff; background: var(--rojo); padding: 4px 12px; border-radius: 999px; }
.op b { display: block; font-size: 22px; font-weight: 900; font-style: italic; }
.op-d { color: var(--t2); }
.ventajas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ventajas div { border-top: 3px solid var(--rojo); padding-top: 14px; }
.ventajas b { display: block; font-size: 17px; margin-bottom: 4px; } .ventajas span { color: var(--t2); font-size: 15px; }

/* sectores */
.rejilla-sect { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sect { background: var(--gris); border-radius: var(--radio); padding: 26px; display: grid; grid-template-columns: 56px 1fr; grid-template-rows: auto auto; column-gap: 16px; align-items: center; transition: transform .15s, box-shadow .15s; }
.sect:hover { transform: translateY(-3px); box-shadow: var(--sombra); background: #fff; }
.sect svg { grid-row: span 2; width: 52px; height: 52px; padding: 11px; border-radius: 14px; background: var(--rojo); fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.sect b { font-size: 18px; } .sect span { color: var(--t2); font-size: 14.5px; }

/* redes */
.cuatro { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.mini { background: #fff; border-radius: var(--radio); padding: 26px; border-top: 5px solid var(--rojo); box-shadow: var(--sombra); }
.mini p { color: var(--t2); font-size: 15.5px; }

/* videovigilancia */
.cam-visual svg { width: 100%; height: auto; filter: drop-shadow(0 14px 30px rgba(0,0,0,.10)); }

/* contacto */
.contacto { background: var(--gris); overflow: hidden; }
.contacto .contenedor { position: relative; z-index: 1; }
.contacto-rejilla { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.canal { background: #fff; border-radius: var(--radio); padding: 22px; text-decoration: none; box-shadow: var(--sombra); border-left: 5px solid var(--rojo); transition: transform .15s; }
.canal:hover { transform: translateY(-2px); }
.canal span { display: block; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--t3); }
.canal b { font-size: 18px; }
.form { background: #fff; border-radius: var(--radio); padding: 30px; box-shadow: var(--sombra); }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campos label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.campos .ancho { grid-column: 1 / -1; }
.campos input, .campos select, .campos textarea { font: inherit; font-weight: 400; padding: 12px 14px; border: 1.5px solid var(--linea); border-radius: 10px; background: #fff; color: var(--negro); }
.campos input:focus, .campos select:focus, .campos textarea:focus { outline: none; border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(227,10,30,.15); }
.campos .error { border-color: var(--rojo); }
.nota-form { color: var(--t3); font-size: 13px; margin: 14px 0; }

/* pie */
.pie { background: var(--gris); color: var(--t2); padding: 56px 0 24px; border-top: 4px solid var(--rojo); }
.pie-in { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.pie b { color: var(--negro); display: block; margin-bottom: 8px; }
.pie a { color: var(--negro); }
.pie .claim { margin-top: 12px; font-weight: 800; font-style: italic; color: var(--negro); }
.legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--linea); margin-top: 36px; padding-top: 18px; font-size: 13px; color: var(--t3); }
.legal a { color: var(--t3); }

/* WhatsApp flotante */
.wa-flotante { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0,0,0,.2); }
.wa-flotante svg { width: 32px; height: 32px; fill: #fff; }

/* aparición suave */
.aparece { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .aparece { opacity: 1; transform: none; transition: none; } }

/* ---- responsive ---- */
@media (max-width: 1200px) {
  .menu-btn { display: block; margin-left: 8px; }
  .menu .solo-movil { display: block; }
  .tel-cab { margin-left: auto; border-left: 0; padding-left: 0; }
  .menu { position: fixed; inset: 72px 0 auto 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; border-bottom: 1px solid var(--linea); box-shadow: 0 16px 30px rgba(0,0,0,.08); transform: translateY(-120%); transition: transform .25s; }
  .menu.abierto { transform: none; }
  .menu a { padding: 14px 4px; border-bottom: 1px solid var(--gris); font-size: 16px; }
  .menu a.btn { margin-top: 12px; border: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .hero-in { grid-template-columns: 1fr; gap: 36px; }
  .hero-datos { grid-template-columns: repeat(3, 1fr); }
  .hero-datos li { flex-direction: column; align-items: flex-start; gap: 4px; }
  .pasos, .cuatro, .ventajas, .contacto-rejilla { grid-template-columns: repeat(2, 1fr); }
  .rejilla-sect { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .tel-cab span { display: none; }
  .seccion { padding: 68px 0; }
  .hero { padding: 56px 0 72px; }
  .sec-cab { grid-template-columns: 1fr; gap: 6px; }
  .num { font-size: 44px; }
  .hero-datos, .dos, .pasos, .cuatro, .ventajas, .contacto-rejilla, .rejilla-sect, .tres-op, .campos, .pie-in, .horario { grid-template-columns: 1fr; }
  .op.dest { transform: none; }
  .hero-datos li { flex-direction: row; align-items: center; }
  .btn { width: 100%; white-space: normal; text-align: center; }
  .banda { padding: 22px; }
  .banda-btns { width: 100%; }
  .tarjeta, .form { padding: 22px; }
}

/* protección anti-robots del formulario y avisos de WhatsApp */
.trampa { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { color: var(--rojo); font-weight: 700; font-size: 14px; min-height: 1em; margin-top: 10px; }
#aviso-wa { position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 20px); z-index: 80; max-width: min(520px, calc(100% - 32px)); background: #fff; color: var(--negro); border: 1px solid var(--linea); border-left: 5px solid var(--rojo); border-radius: 12px; padding: 14px 18px; font-size: 14.5px; font-weight: 600; box-shadow: 0 12px 30px rgba(0,0,0,.12); opacity: 0; pointer-events: none; transition: .25s; }
#aviso-wa.visible { opacity: 1; transform: translate(-50%, 0); }

/* ---- SEO: páginas de servicio, migas, preguntas frecuentes y pie ampliado ---- */
.pie-in.cuatro-col { grid-template-columns: 1.2fr 1.3fr 1fr .8fr; }
.pie p a { text-decoration: none; } .pie p a:hover { color: var(--rojo); }
.migas { font-size: 13.5px; color: var(--t3); padding: 14px 0; }
.migas a { color: var(--t2); text-decoration: none; } .migas a:hover { color: var(--rojo); }
.sv-hero { padding: 56px 0 72px; }
.sv-hero h1 { font-size: clamp(36px, 4.6vw, 58px); }
.sv-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.sv-bloques { margin-top: 32px; }
.sv-pasos { margin-top: 32px; }
.sv-caso { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.sv-caso.vertical { grid-template-columns: 340px 1fr; }
.sv-caso figure img { width: 100%; height: auto; border-radius: var(--radio); box-shadow: var(--sombra); }
.sv-caso.vertical figure img { max-height: 560px; width: auto; margin: auto; }
.sv-mas { margin-top: 18px; font-weight: 800; } .sv-mas a { color: var(--rojo); text-decoration: none; }
.sv-faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.sv-faq .sec-sub a { color: var(--rojo); font-weight: 700; }
.faqs { display: grid; gap: 10px; }
.faq { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; font-weight: 800; font-size: 17px; padding: 18px 30px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; font-weight: 700; color: var(--rojo); }
.faq[open] summary::after { content: "–"; }
.faq p { color: var(--t2); padding: 0 0 18px; }
.sv-zona { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.sv-rels { display: grid; gap: 10px; }
.sv-rels > b { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--t2); }
.sv-rel { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; border: 1px solid var(--linea); border-radius: var(--radio); text-decoration: none; background: #fff; transition: border-color .15s; }
.sv-rel:hover { border-color: var(--rojo); }
.sv-rel span { color: var(--rojo); font-weight: 700; font-size: 14px; white-space: nowrap; }
.ver-servicio { display: inline-block; margin-top: 16px; font-weight: 800; color: var(--rojo); text-decoration: none; }
.ver-servicio:hover { text-decoration: underline; }
@media (max-width: 1200px) { .pie-in.cuatro-col { grid-template-columns: 1fr 1fr; } }
@media (max-width: 900px) { .sv-caso, .sv-caso.vertical, .sv-faq, .sv-zona { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 720px) { .pie-in.cuatro-col { grid-template-columns: 1fr; } .sv-hero { padding: 36px 0 48px; } .faq summary { font-size: 16px; } }
.sv-hero .hero-datos b { font-size: 26px; min-width: 0; line-height: 1.1; }
.sv-hero .hero-datos li { padding: 18px 22px; }
@media (max-width: 720px) { .sv-hero .hero-datos li { flex-direction: column; align-items: flex-start; gap: 2px; } .sv-hero .hero-datos b { font-size: 22px; } }