/* G&R Electricidad: estilos del sitio */
:root {
  --navy: #14243B;
  --navy-2: #1C3150;
  --navy-3: #0C1828;
  --orange: #F28A1A;
  --orange-2: #D9740A;
  --orange-soft: #FFF3E6;
  --blue: #1D6FB8;
  --blue-soft: #E3EFFA;
  --bg: #F2F5F9;
  --line: #DCE3EB;
  --field: #C5D0DC;
  --ink: #1B2633;
  --ink-2: #33414F;
  --muted: #5A6878;
  --wa: #1FA855;
  --wa-2: #178A45;
  --ok: #1E8E4E;
  --err: #B83227;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(20, 36, 59, .12);
  --font: 'Barlow', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Barlow Semi Condensed', 'Barlow', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.55; color: var(--ink); background: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
a:hover { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--navy); line-height: 1.08; margin: 0; }
p { margin: 0; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip:focus { left: 8px; color: #fff; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 24px; border-radius: 12px; border: 2px solid transparent; font: inherit; font-weight: 700; font-size: 17px; line-height: 1.1; text-align: center; text-decoration: none; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s, transform .15s; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--orange); color: var(--navy); }
.btn-primary:hover { background: #FF9A2E; color: var(--navy); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); color: #fff; }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-light { border-color: rgba(255, 255, 255, .75); color: #fff; background: rgba(255, 255, 255, .06); }
.btn-light:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-2); color: #fff; }
.btn-sm { min-height: 42px; padding: 0 16px; font-size: 15px; border-radius: 10px; }
.btn-block { width: 100%; }

/* Barra superior y encabezado */
.topbar { background: var(--navy); color: #DCE6F2; font-size: 14px; text-align: center; padding: 8px 16px; }
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--line); backdrop-filter: saturate(1.4) blur(8px); }
.header .wrap { display: flex; align-items: center; gap: 24px; min-height: 72px; position: relative; }
.brand { display: flex; flex: none; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; gap: 24px; font-weight: 600; font-size: 16px; }
.nav a { color: var(--ink); text-decoration: none; padding: 6px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); }
.header-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 46px; height: 46px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--navy); align-items: center; justify-content: center; cursor: pointer; }
@media (max-width: 960px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px clamp(16px, 4vw, 40px) 16px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .menu-btn { display: inline-flex; }
}
@media (max-width: 560px) {
  .header-cta .hide-sm { display: none; }
  .brand img { height: 40px; }
}

/* Portada */
.hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-3); }
.hero-bg { position: absolute; inset: 0; }
.hero-bg picture { display: block; width: 100%; height: 100%; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; }
/* Degradado suave solo detrás del texto: la foto de la portada se ve completa y luminosa. */
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9, 19, 34, .72) 0%, rgba(9, 19, 34, .48) 30%, rgba(9, 19, 34, .08) 56%, rgba(9, 19, 34, 0) 70%); }
.hero h1, .hero .lead, .hero .eyebrow { text-shadow: 0 2px 14px rgba(0, 0, 0, .5); }
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 650px) minmax(0, 1fr); align-items: end; min-height: clamp(560px, 80vh, 720px); }
.hero-copy { display: flex; flex-direction: column; gap: 22px; padding-block: 64px 124px; }
.eyebrow { font-weight: 700; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--orange-2); }
.hero .eyebrow { color: var(--orange); }
.hero h1 { color: #fff; font-size: clamp(42px, 5.8vw, 70px); font-weight: 800; letter-spacing: -.01em; text-wrap: balance; }
.hero .lead { color: #DCE6F2; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 36em; }
.price-chip { display: inline-flex; align-self: flex-start; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); }
.price-chip .from { display: flex; align-items: center; padding: 10px 16px; background: var(--orange); color: var(--navy); font-weight: 700; }
.price-chip .amount { display: flex; flex-direction: column; padding: 8px 18px; background: #fff; color: var(--navy); }
.price-chip strong { font-family: var(--display); font-size: 34px; font-weight: 800; line-height: 1.05; font-variant-numeric: tabular-nums; }
.price-chip small { font-size: 13px; color: var(--muted); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-mascot { justify-self: end; align-self: end; width: min(100%, 420px); filter: drop-shadow(0 18px 36px rgba(0, 0, 0, .35)); }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-bg img { object-position: 45% 40%; }
  .hero::after { background: linear-gradient(180deg, rgba(9, 19, 34, .55) 0%, rgba(9, 19, 34, .38) 45%, rgba(9, 19, 34, .6) 100%); }
  .hero-copy { padding-block: 48px 8px; }
  .hero-mascot { width: min(62%, 260px); margin: -8px -8px 44px 0; }
}

/* Franja de confianza */
.trust { position: relative; z-index: 3; margin-top: -60px; }
.trust ul { list-style: none; margin: 0; padding: 18px 22px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.trust li { display: flex; align-items: center; gap: 12px; font-weight: 600; line-height: 1.3; color: var(--navy); }
.trust svg { flex: none; color: var(--blue); }
@media (max-width: 900px) { .trust ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .trust ul { grid-template-columns: minmax(0, 1fr); } }

/* Secciones */
.section { padding-block: clamp(56px, 8vw, 96px); }
.section.alt { background: var(--bg); }
.section.tight { padding-top: clamp(40px, 5vw, 64px); }
.section-head { display: flex; flex-direction: column; gap: 10px; max-width: 780px; margin-bottom: 32px; }
.title { font-size: clamp(32px, 4.4vw, 48px); font-weight: 800; text-wrap: balance; }
.title-sm { font-size: clamp(26px, 3vw, 34px); font-weight: 800; }

/* Tarjetas de kits */
.kits { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1099px) { .kits { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .kits { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .kits { grid-template-columns: minmax(0, 1fr); } }
.kit-card { position: relative; display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: box-shadow .2s, transform .2s; }
.kit-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.kit-img { display: block; aspect-ratio: 3 / 2; background: var(--bg); overflow: hidden; }
.kit-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.kit-card:hover .kit-img img { transform: scale(1.03); }
.kit-body { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: 16px; border-top: 1px solid var(--line); }
.kit-num { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.kit-card h3 { font-size: 25px; font-weight: 700; }
.kit-card h3 a { color: inherit; text-decoration: none; }
.kit-card h3 a:hover { color: var(--blue); }
.badge { align-self: flex-start; padding: 3px 10px; border-radius: 99px; background: var(--bg); color: var(--muted); font-size: 13px; font-weight: 600; }
.badge.on { background: #E3F4E8; color: #17663A; }
.badge.hib { background: var(--blue-soft); color: #1D5F9E; }
.badge.off { background: #FDECEA; color: #9B2C1F; }
.badge.ind { background: #FFF1C9; color: #6A4A00; }
.kit-specs { margin: 0; padding-left: 18px; font-size: 15px; color: var(--ink-2); }
.kit-gen { font-size: 14px; color: var(--muted); }
.price { font-family: var(--display); font-size: 30px; font-weight: 800; line-height: 1; color: var(--navy); font-variant-numeric: tabular-nums; }
.price-note { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); }
.kit-actions { display: flex; flex-direction: column; gap: 8px; margin-top: auto; padding-top: 6px; }
.link-more { font-weight: 600; font-size: 15px; text-align: center; }

/* Recomendador */
.reco { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: center; margin-top: 28px; padding: clamp(20px, 3vw, 32px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.reco-in { display: flex; flex-direction: column; gap: 14px; }
.reco-value { font-family: var(--display); font-size: 40px; font-weight: 800; color: var(--navy); line-height: 1; font-variant-numeric: tabular-nums; }
.reco input[type="range"] { width: 100%; accent-color: var(--orange); }
.reco-out { display: flex; flex-direction: column; gap: 10px; padding: 20px; background: var(--bg); border-radius: 12px; }
.reco-out h3 { font-size: 26px; }
.meter { height: 10px; border-radius: 99px; background: #D7E0EA; overflow: hidden; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--orange), #FFB45C); border-radius: inherit; transition: width .3s; }
.reco-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; cursor: pointer; }
.check input { flex: none; width: 18px; height: 18px; margin-top: 3px; accent-color: var(--orange); }
@media (max-width: 860px) { .reco { grid-template-columns: minmax(0, 1fr); } }

/* Franja oscura de ayuda */
.band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 28px; margin-top: 24px; padding: 24px 28px; background: var(--navy); color: #fff; border-radius: var(--radius); }
.band strong { display: block; font-family: var(--display); font-size: 26px; font-weight: 700; line-height: 1.15; }
.band p { margin-top: 4px; color: #D5DEE8; }

/* Tabla comparativa */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.compare { width: 100%; min-width: 780px; border-collapse: collapse; font-size: 16px; font-variant-numeric: tabular-nums; }
.compare th, .compare td { padding: 12px 14px; text-align: left; border-top: 1px solid var(--line); }
.compare thead th { background: var(--bg); border-top: 0; color: var(--navy); }
.compare tbody th { color: var(--muted); font-weight: 600; }
.compare .total td { font-weight: 700; color: var(--navy); }

/* Pasos */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.steps li { display: flex; gap: 14px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.steps .n { flex: none; display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; }
.steps strong { display: block; font-size: 18px; color: var(--navy); }
.steps .t { color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* Quiénes somos */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 56px); align-items: center; }
.about-photo { position: relative; }
.about-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 20px; }
.about-copy { display: flex; flex-direction: column; gap: 18px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.stat { padding: 14px 16px; background: var(--bg); border-radius: 12px; }
.stat b { display: block; font-family: var(--display); font-size: 34px; font-weight: 800; line-height: 1; color: var(--navy); }
.stat span { font-size: 14px; color: var(--muted); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; }
.checks svg { flex: none; margin-top: 4px; color: var(--ok); }
.services { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.services li { padding: 6px 12px; background: #fff; border: 1px solid var(--line); border-radius: 99px; font-size: 14px; font-weight: 600; color: var(--ink-2); }
@media (max-width: 900px) { .about { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 420px) { .stats { grid-template-columns: minmax(0, 1fr); } }

/* Galería de proyectos */
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 230px; gap: 12px; }
.gallery figure { position: relative; margin: 0; overflow: hidden; border-radius: 14px; background: var(--bg); }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery figcaption { position: absolute; left: 10px; bottom: 10px; right: 10px; width: fit-content; padding: 4px 10px; background: rgba(20, 36, 59, .86); color: #fff; font-size: 13px; border-radius: 8px; }
.gallery .big { grid-column: span 2; grid-row: span 2; }
.gallery .tall { grid-row: span 2; }
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 180px; } }
@media (max-width: 520px) { .gallery { grid-template-columns: minmax(0, 1fr); grid-auto-rows: 220px; } .gallery .big, .gallery .tall { grid-column: auto; grid-row: auto; } }

/* Preguntas frecuentes */
.faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; align-items: start; }
.faq details { padding: 0 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.faq summary { display: flex; justify-content: space-between; gap: 12px; padding: 16px 0; font-weight: 700; color: var(--navy); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; font-size: 24px; line-height: .9; color: var(--orange-2); }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { padding-bottom: 16px; color: var(--ink-2); }
@media (max-width: 800px) { .faq { grid-template-columns: minmax(0, 1fr); } }

/* Contacto */
.cta { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 28px; align-items: center; padding: clamp(28px, 5vw, 52px); background: linear-gradient(135deg, var(--navy) 0%, #1E3A5F 100%); color: #fff; border-radius: 22px; }
.cta h2 { color: #fff; }
.cta p { color: #D5DEE8; }
.cta-copy { display: flex; flex-direction: column; gap: 16px; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.contact-list a, .contact-list span { display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 600; text-decoration: none; }
.contact-list a:hover { color: #FFD3A3; }
.contact-list svg { flex: none; color: var(--orange); }
@media (max-width: 800px) { .cta { grid-template-columns: minmax(0, 1fr); } }

/* Pie de página */
.footer { background: var(--navy-3); color: #C9D4E2; font-size: 15px; }
.footer .cols { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr)); gap: 32px; padding-block: 48px 28px; }
.footer a { color: #C9D4E2; }
.footer a:hover { color: #fff; }
.footer h4 { margin-bottom: 10px; font-family: var(--font); font-size: 16px; color: #fff; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer .company { display: flex; flex-direction: column; gap: 8px; }
.logo-box { align-self: flex-start; padding: 8px 12px; background: #fff; border-radius: 10px; }
.logo-box img { height: 40px; width: auto; }
.footer .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; padding-block: 16px 28px; border-top: 1px solid #22344F; }
@media (max-width: 800px) { .footer .cols { grid-template-columns: minmax(0, 1fr); } }

/* WhatsApp flotante */
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; border-radius: 50%; background: var(--wa); color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); }
.wa-float:hover { background: var(--wa-2); color: #fff; }

/* Ficha de producto */
.breadcrumb { padding-top: 20px; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.product { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); padding-block: 20px 56px; }
.product-media { display: flex; flex-direction: column; gap: 12px; }
.product-media .main { padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.product-media .main { padding: 0; overflow: hidden; }
.product-media .main img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.thumbs { display: flex; gap: 10px; }
.thumbs button { width: 104px; padding: 4px; background: #fff; border: 2px solid var(--line); border-radius: 10px; cursor: pointer; }
.thumbs button[aria-pressed="true"] { border-color: var(--orange); }
.thumbs img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.product-info { display: flex; flex-direction: column; gap: 16px; }
.product-info h1 { font-size: clamp(32px, 4vw, 46px); font-weight: 800; text-wrap: balance; }
.buy-box { display: flex; flex-direction: column; gap: 12px; padding: 20px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.buy-box .price { font-size: 40px; }
.pay-icons { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 14px; color: var(--muted); }
.includes { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; }
.includes li { margin-bottom: 6px; break-inside: avoid; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 11px 0; text-align: left; border-top: 1px solid var(--line); }
.spec-table th { width: 45%; color: var(--muted); font-weight: 600; }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.info-card { display: flex; flex-direction: column; gap: 8px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.info-card h3 { font-size: 22px; }
.info-card .big-num { font-family: var(--display); font-size: 40px; font-weight: 800; line-height: 1; color: var(--navy); }
@media (max-width: 900px) { .product { grid-template-columns: minmax(0, 1fr); } .info-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) { .includes { columns: 1; } }

/* Compra */
.checkout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 32px; align-items: start; padding-block: 28px 72px; }
.form-card { display: flex; flex-direction: column; gap: 26px; padding: clamp(18px, 3vw, 30px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
fieldset { display: flex; flex-direction: column; gap: 14px; min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: 8px; padding: 0; font-family: var(--display); font-size: 24px; font-weight: 700; color: var(--navy); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field .label { font-size: 15px; font-weight: 600; }
.field input, .field select, .field textarea { min-height: 48px; padding: 11px 14px; font: inherit; font-size: 16px; color: var(--ink); background: #fff; border: 1.5px solid var(--field); border-radius: 10px; }
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(29, 111, 184, .18); }
.field .hint { font-size: 13px; color: var(--muted); }
.field .error { display: none; font-size: 14px; color: var(--err); }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--err); }
.field.invalid .error { display: block; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.choice { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice label { display: flex; align-items: flex-start; gap: 10px; padding: 14px; background: #fff; border: 1.5px solid var(--field); border-radius: 12px; cursor: pointer; }
.choice label:has(input:checked) { border-color: var(--orange); background: var(--orange-soft); }
.choice input { flex: none; margin-top: 4px; accent-color: var(--orange); }
.choice strong { display: block; color: var(--navy); }
.choice span { font-size: 14px; color: var(--muted); }
.summary { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 14px; padding: 20px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.summary img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; background: #fff; border-radius: 10px; }
.summary h2 { font-size: 24px; }
.summary .line { display: flex; justify-content: space-between; gap: 12px; }
.summary .total { font-family: var(--display); font-size: 32px; font-weight: 800; color: var(--navy); font-variant-numeric: tabular-nums; }
.notice { padding: 14px 16px; border-radius: 12px; font-size: 15px; }
.notice.warn { background: #FFF4E5; border: 1px solid #F6C27A; color: #6A4100; }
.notice.info { background: var(--blue-soft); border: 1px solid #B5D3F0; color: #123E66; }
.notice.error { background: #FDECEA; border: 1px solid #F1B0A8; color: #7A1F14; }
.notice.ok { background: #E8F6EE; border: 1px solid #A9DBBE; color: #14532D; }
.notice a { color: inherit; font-weight: 700; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 900px) { .checkout { grid-template-columns: minmax(0, 1fr); } .summary { position: static; order: -1; } }
@media (max-width: 600px) { .row, .choice { grid-template-columns: minmax(0, 1fr); } }

/* Páginas de resultado y legales */
.result { display: flex; flex-direction: column; gap: 18px; max-width: 780px; padding-block: 56px 80px; }
.result-icon { display: flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; }
.result-icon.ok { background: #E8F6EE; color: var(--ok); }
.result-icon.wait { background: #FFF4E5; color: var(--orange-2); }
.result-icon.bad { background: #FDECEA; color: var(--err); }
.result h1 { font-size: clamp(34px, 4.4vw, 48px); font-weight: 800; }
.bank { padding: 20px; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; }
.bank dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 18px; margin: 12px 0 0; }
.bank dt { color: var(--muted); }
.bank dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.legal-page { max-width: 820px; padding-block: 40px 80px; }
.legal-page h1 { margin-bottom: 8px; font-size: clamp(34px, 4.4vw, 46px); font-weight: 800; }
.legal-page h2 { margin: 30px 0 8px; font-size: 24px; font-weight: 700; }
.legal-page p, .legal-page li { color: var(--ink-2); }
.legal-page p + p { margin-top: 10px; }
.legal-page ul, .legal-page ol { padding-left: 22px; }
.updated { margin-top: 32px; font-size: 14px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* Filtros del catálogo */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tab { min-height: 42px; padding: 0 18px; background: #fff; color: var(--navy); border: 1.5px solid var(--line); border-radius: 99px; font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; }
.tab:hover { border-color: var(--navy); }
.tab[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }

/* Tipos de sistema */
.systems { display: grid; gap: 20px; }
.system-card { display: flex; flex-direction: column; gap: 12px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.system-card h3 { font-size: 28px; font-weight: 800; }
.diagram { padding: 6px; background: linear-gradient(180deg, #E6F0FA 0%, #F7FAFD 100%); border-radius: 12px; }
.diagram svg { display: block; width: 100%; height: auto; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 15px; color: var(--ink-2); }
.legend li { display: flex; align-items: flex-start; gap: 10px; }
.legend .num { flex: none; display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 12px; font-weight: 700; }
.system-card .btn { margin-top: auto; }
.band-light { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.band-light p { color: var(--muted); }
.band-light strong { color: var(--navy); }
.section.alt .band-light { background: #fff; }
.systems { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.sys-body { display: flex; flex-direction: column; gap: 10px; }
.system-card { padding: 18px; gap: 14px; }
.system-card h3 { font-size: 26px; }
.sys-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.sys-from { font-size: 14px; color: var(--muted); }
.sys-from strong { font-family: var(--display); font-size: 20px; color: var(--navy); }
.facts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 14px; font-size: 15px; font-weight: 600; }
.facts li { display: flex; align-items: center; gap: 8px; color: var(--ink-2); }
.facts span { flex: none; display: flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; font-size: 12px; font-weight: 800; }
.facts .si span { background: #E3F4E8; color: var(--ok); }
.facts .no span { background: #FDECEA; color: var(--err); }
.guide-card { justify-content: center; background: linear-gradient(160deg, #F7FAFD 0%, #EAF2FB 100%); }
.guide-card h3 { font-size: 24px; }
.guide-title { margin-top: 6px; }
.components, .pick { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15px; color: var(--ink-2); }
.components li { display: flex; align-items: flex-start; gap: 10px; }
.components .dot { flex: none; width: 12px; height: 12px; margin-top: 5px; border-radius: 50%; }
.components strong { color: var(--navy); }
.pick li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.pick .badge { flex: none; font-size: 14px; padding: 4px 12px; text-decoration: none; }
.pick .badge:hover { filter: brightness(.95); }
@media (max-width: 860px) { .systems { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 420px) { .facts { grid-template-columns: minmax(0, 1fr); } }
}

/* Recomendador con tipo de sistema */
.choice-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.choice-3 label { padding: 10px 12px; }
@media (max-width: 1100px) { .choice-3 { grid-template-columns: minmax(0, 1fr); } }

/* Tablas comparativas por tipo */
.tables { display: grid; gap: 28px; }
.table-title { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 22px; }
.compare { min-width: 680px; }
.steps.steps-1 { grid-template-columns: minmax(0, 1fr); }

/* Esquemas animados */
.diagram { padding: 0; overflow: hidden; }
.diagram .flow { stroke-dasharray: 7 9; animation: gyr-flujo 1.3s linear infinite; }
.diagram .flow.bi { animation-duration: 2.2s; }
@keyframes gyr-flujo { to { stroke-dashoffset: -32; } }
.legend strong { color: var(--navy); }
.sys-compare { margin-top: 20px; }
.sys-compare .compare { min-width: 620px; }
.sys-compare tbody th { width: 34%; }
.yes { font-weight: 700; color: var(--ok); }
.no { font-weight: 700; color: var(--err); }

/* Imagen ampliable de la ficha */
.zoom { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; cursor: zoom-in; }
.zoom img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .15s ease-out; }
.zoom.zooming img { transform: scale(2.4); }
.zoom-hint { position: absolute; left: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; background: rgba(20, 36, 59, .82); color: #fff; font-size: 13px; font-weight: 600; border-radius: 8px; pointer-events: none; transition: opacity .2s; }
.zoom.zooming .zoom-hint { opacity: 0; }
@media (hover: none) { .zoom-hint .solo-pc { display: none; } }
.lightbox { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(9, 19, 34, .92); }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 10px; cursor: zoom-in; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.lightbox.full { align-items: flex-start; justify-content: flex-start; overflow: auto; }
.lightbox.full img { max-width: none; max-height: none; cursor: zoom-out; }
.lightbox-close { position: fixed; top: 14px; right: 14px; width: 46px; height: 46px; border: 0; border-radius: 50%; background: #fff; color: var(--navy); font-size: 26px; line-height: 1; cursor: pointer; }
@media (prefers-reduced-motion: reduce) { .diagram .flow { animation: none; } .zoom img { transition: none; } }

/* Selector de sistemas */
.sys-picker { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; align-items: stretch; }
.sys-tabs { display: flex; flex-direction: column; gap: 10px; }
.sys-tab { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 14px 16px; background: #fff; border: 1.5px solid var(--line); border-radius: 14px; color: var(--ink); font: inherit; text-align: left; text-decoration: none; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; }
.sys-tab:hover { border-color: #9FB0C4; color: var(--ink); }
.sys-tab strong { font-size: 16px; line-height: 1.3; color: var(--navy); }
.sys-tab-from { font-size: 13px; color: var(--muted); }
.sys-tab[aria-selected="true"] { border-color: var(--navy); box-shadow: var(--shadow); }
.sys-panels { display: flex; flex-direction: column; }
.sys-panel { flex: 1; display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 22px; align-items: center; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.sys-info { display: flex; flex-direction: column; gap: 10px; }
.sys-info h3 { font-size: 28px; font-weight: 800; }
.sys-more { font-size: 15px; }
.sys-more summary { cursor: pointer; font-weight: 700; color: var(--blue); }
.sys-more .legend { margin-top: 10px; font-size: 14px; }
.sys-more .small { margin-top: 8px; }
@media (max-width: 1100px) {
  .sys-picker { grid-template-columns: minmax(0, 1fr); }
  .sys-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 2px; }
  .sys-tab { flex: 1 0 200px; }
}
@media (max-width: 760px) { .sys-panel { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 14px; } }
@media (max-width: 560px) {
  .sys-tab { flex: 1 0 0; align-items: center; padding: 10px 8px; text-align: center; }
  .sys-tab strong { display: none; }
  .sys-info h3 { font-size: 24px; }
}

/* Paginación de kits */
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 18px; }
.pager button { min-width: 44px; height: 44px; padding: 0 12px; background: #fff; border: 1.5px solid var(--line); border-radius: 10px; color: var(--navy); font: inherit; font-weight: 700; cursor: pointer; }
.pager button:hover:not(:disabled) { border-color: var(--navy); }
.pager button[aria-current="page"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.pager button:disabled { opacity: .35; cursor: default; }
.pager-info { width: 100%; text-align: center; font-size: 14px; color: var(--muted); }

/* Tarjetas de kit horizontales en el celular */
@media (max-width: 560px) {
  .tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .tab { flex: none; }
  .kits { gap: 10px; }
  .kit-card { display: grid; grid-template-columns: 40% minmax(0, 1fr); }
  .kit-card:hover { transform: none; }
  .kit-img { aspect-ratio: auto; height: 100%; min-height: 150px; }
  .kit-img img { object-position: 35% 55%; }
  .kit-body { gap: 6px; padding: 12px; border-top: 0; border-left: 1px solid var(--line); }
  .kit-card h3 { font-size: 19px; }
  .kit-card .badge { font-size: 12px; padding: 2px 8px; }
  .kit-specs { font-size: 13px; padding-left: 16px; }
  .kit-specs li:nth-child(n + 3), .kit-gen, .kit-card .price-note { display: none; }
  .kit-card .price { font-size: 22px; }
  .kit-actions { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 6px 12px; padding-top: 2px; }
  .kit-actions > div { width: 100%; }
  .kit-actions .btn { width: auto; min-height: 38px; padding: 0 14px; font-size: 14px; }
  .link-more { font-size: 13px; }
}

/* Aviso de la versión de muestra */
.preview-bar { padding: 8px 16px; background: #FFF1C9; color: #5A3E00; font-size: 14px; text-align: center; border-bottom: 1px solid #F2D27A; }