/* SignalMonitor — sitio comercial (signalmonitors.com). Sin dependencias externas. */
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url(/fonts/inter-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url(/fonts/inter-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url(/fonts/inter-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 800; font-display: swap; src: url(/fonts/inter-latin-800-normal.woff2) format("woff2"); }

:root {
  --navy: #0F2742; --navy-2: #12325a; --blue: #2F6FBF; --cyan: #57B8D4; --lime: #B9DE29;
  --ink: #0f172a; --muted: #475569; --subtle: #64748b; --line: #e2e8f0; --bg: #f8fafc; --surface: #ffffff;
  --radius: 14px; --shadow: 0 1px 2px rgba(15,23,42,.06), 0 12px 32px rgba(15,23,42,.08);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 17px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(34px, 4.6vw, 54px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; }
h3 { font-size: 21px; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; } .skip:focus { left: 16px; top: 12px; z-index: 99; background: #fff; padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }

/* barra superior */
.top { position: sticky; top: 0; z-index: 20; background: rgba(15,39,66,.92); backdrop-filter: saturate(160%) blur(10px); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; }
.brand b { font-weight: 800; } .brand span { color: var(--cyan); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { color: #dbeafe; text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: #fff; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid #ffffff44; color: #fff; border-radius: 8px; padding: 6px 12px; font: inherit; font-size: 15px; }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 12px; font-weight: 700; font-size: 16px; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-family: inherit; }
.btn-primary { background: linear-gradient(135deg, var(--blue), #2b8fc4); color: #fff; }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { color: #fff; border-color: #ffffff66; background: transparent; }
.btn-ghost:hover { border-color: #fff; }
.btn-light { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-wa { background: #1f9d55; color: #fff; }
.nav .btn { min-height: 40px; padding: 0 16px; font-size: 15px; color: #fff; }

/* hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, #2F6FBF55, transparent), linear-gradient(135deg, var(--navy), #1b4f8f 70%, var(--blue)); color: #fff; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 80px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--lime); margin-bottom: 14px; }
.hero p.lead { font-size: 20px; color: #dbeafe; max-width: 560px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 8px; }
.checks li { padding-left: 32px; position: relative; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: 5px; width: 20px; height: 20px; border-radius: 50%; background: var(--lime) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230F2742' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
.light .checks li::before { background-color: #d9f99d; }

/* marcos de captura */
.shot { position: relative; }
.browser { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 30px 60px rgba(2,6,23,.35); }
.browser .bar { height: 30px; background: #eef2f7; display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.browser .bar i { width: 10px; height: 10px; border-radius: 50%; background: #f87171; } .browser .bar i:nth-child(2) { background: #fbbf24; } .browser .bar i:nth-child(3) { background: #4ade80; }
.phone { position: absolute; right: -10px; bottom: -36px; width: 30%; border: 7px solid #111827; border-radius: 26px; overflow: hidden; box-shadow: 0 24px 50px rgba(2,6,23,.45); background: #111827; }

/* secciones */
section { padding: 84px 0; }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 19px; }
.alt { background: #fff; }

/* tarjetas de productos */
.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card .tag { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: #dcfce7; color: #166534; margin-bottom: 14px; }
.card .tag.soon { background: #e0f2fe; color: #075985; }
.card p { color: var(--muted); }
.card .more { margin-top: auto; font-weight: 700; text-decoration: none; }
.card.soon-card { background: linear-gradient(180deg, #fff, #f8fafc); }

/* funciones */
.feature { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; margin-bottom: 84px; }
.feature:last-child { margin-bottom: 0; }
.feature.flip .text { order: 2; }
.feature .text p { color: var(--muted); font-size: 18px; }
.feature img { border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.feature ul { padding-left: 20px; color: var(--ink); } .feature li { margin: 6px 0; }
.mobile-pair { display: flex; gap: 22px; justify-content: center; }
.mobile-pair img { width: 46%; max-width: 260px; border: 7px solid #111827; border-radius: 26px; }

/* incluidos */
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.mini { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.mini h3 { font-size: 18px; margin-bottom: 6px; } .mini p { color: var(--muted); font-size: 15px; margin: 0; }
.mini .ico { width: 40px; height: 40px; border-radius: 10px; background: #e0f2fe; color: var(--blue); display: grid; place-items: center; margin-bottom: 12px; font-weight: 800; }

/* precios */
.tabs { display: inline-flex; background: #e2e8f0; border-radius: 12px; padding: 4px; gap: 4px; margin-bottom: 28px; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; font: inherit; font-weight: 700; font-size: 15px; padding: 10px 16px; border-radius: 9px; color: var(--muted); cursor: pointer; }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(15,23,42,.1); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.plan.pop { border: 2px solid var(--blue); box-shadow: var(--shadow); position: relative; }
.plan.pop::before { content: "Más elegido"; position: absolute; top: -13px; left: 24px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.plan .price { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 0; }
.plan .price small { font-size: 16px; font-weight: 600; color: var(--subtle); letter-spacing: 0; }
.plan .sub { color: var(--subtle); font-size: 14px; margin-bottom: 14px; }
.plan ul { padding: 0; list-style: none; margin: 0 0 22px; display: grid; gap: 8px; font-size: 15px; }
.plan li { padding-left: 24px; position: relative; } .plan li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 800; }
.plan .btn { margin-top: auto; }
.note { color: var(--subtle); font-size: 14px; margin-top: 18px; }
[hidden] { display: none !important; }

/* FAQ */
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 12px; }
summary { font-weight: 700; cursor: pointer; }
details p { color: var(--muted); margin: 12px 0 0; }

/* contacto */
.contact { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; }
.contact .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact p { color: #cbd5e1; }
.contact .ways { display: grid; gap: 12px; margin-top: 24px; max-width: 360px; }
form.lead { background: #fff; color: var(--ink); border-radius: 18px; padding: 28px; display: grid; gap: 14px; }
form.lead label { font-weight: 600; font-size: 14px; display: grid; gap: 6px; }
form.lead input, form.lead select, form.lead textarea { font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid #cbd5e1; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
form.lead textarea { min-height: 110px; resize: vertical; }
form.lead .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.lead .hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
form.lead .legal { font-size: 13px; color: var(--subtle); font-weight: 400; display: flex; gap: 10px; align-items: flex-start; }
form.lead .legal input { width: auto; margin-top: 3px; }
.msg { padding: 12px 14px; border-radius: 10px; font-weight: 600; }
.msg.ok { background: #dcfce7; color: #166534; } .msg.err { background: #fee2e2; color: #991b1b; }

/* pie */
footer { background: #0b1d33; color: #94a3b8; padding: 40px 0; font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
footer a { color: #cbd5e1; }
.legal-page { max-width: 760px; } .legal-page h2 { font-size: 24px; margin-top: 32px; }

@media (max-width: 960px) {
  .hero .wrap, .feature, .contact .wrap { grid-template-columns: 1fr; }
  .feature.flip .text { order: 0; }
  .products, .grid-4 { grid-template-columns: 1fr 1fr; }
  .phone { width: 28%; right: 4px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding: 60px 0; }
  .nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--navy); flex-direction: column; align-items: stretch; padding: 12px 20px 20px; gap: 14px; }
  .nav.open { display: flex; }
  .menu-btn { display: inline-block; }
  .products, .grid-4, form.lead .row { grid-template-columns: 1fr; }
  .hero .wrap { padding-top: 44px; padding-bottom: 64px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.foot-brand { color: #fff; } .foot-legal { width: 100%; font-size: 12px; }
.h1-sm { font-size: 40px; } .narrow { max-width: 860px; } .price.price-sm { font-size: 30px; }
.hero .wrap.one { grid-template-columns: 1fr; }

.addon-title { margin-top: 44px; font-size: 26px; } .addon-sub { color: var(--muted); max-width: 720px; margin-bottom: 22px; }