/* Layout: banda nocturna con la bandeja como prueba del producto; luego secciones claras a una columna ancha; vistas legales por ancla. */
:root {
  --cyan: #00A9E6; --green: #9FCB6B; --grad: linear-gradient(90deg, #00A9E6, #9FCB6B);
  --night: #0B1824; --night-2: #12263A; --night-ink: #E5EEF3; --night-muted: #93A7B5; --night-line: #223849;
  --bg: #F3F7F9; --surface: #FFFFFF; --raised: #F8FBFC; --ink: #0F2230; --muted: #5A6B78; --line: #DCE5EA;
  --primary: #0078AE; --primary-ink: #FFFFFF; --primary-soft: #E2F3FA;
  --green-ink: #4F8A23; --green-soft: #EEF6E5;
  --warn: #9A6200; --warn-soft: #FDF1DA; --ok: #1E7F4E; --ok-soft: #E3F4EA;
  --wa: #1F9D55; --ig: #C13584; --fb: #4F5BD5; --tg: #1E8FCB; --web: #5A6B78; --mail: #B4541E;
  --logo-word: #00A9E6;
  --shadow: 0 1px 2px rgb(15 34 48 / .06), 0 10px 30px rgb(15 34 48 / .08);
  --f-display: "Nunito", "Nunito Sans", system-ui, sans-serif;
  --f-body: "Nunito Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-label: "Exo 2", "Nunito Sans", system-ui, sans-serif;
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px;
  --wrap: 1120px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --night: #071019; --night-2: #0F2030; --night-line: #1C3142;
  --bg: #0A1520; --surface: #11202D; --raised: #172A39; --ink: #E5EEF3; --muted: #93A7B5; --line: #223849;
  --primary: #38C3F4; --primary-ink: #04202E; --primary-soft: #0F3346;
  --green-ink: #AED67F; --green-soft: #1D3320; --warn: #F2B544; --warn-soft: #362812; --ok: #5FD394; --ok-soft: #12301F;
  --wa: #3CC57A; --ig: #E25AA6; --fb: #8A93F2; --tg: #45B3EC; --web: #93A7B5; --mail: #E28A55;
  --logo-word: #FFFFFF;
  --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px rgb(0 0 0 / .3); color-scheme: dark; } }
:root[data-theme="dark"] {
  --night: #071019; --night-2: #0F2030; --night-line: #1C3142;
  --bg: #0A1520; --surface: #11202D; --raised: #172A39; --ink: #E5EEF3; --muted: #93A7B5; --line: #223849;
  --primary: #38C3F4; --primary-ink: #04202E; --primary-soft: #0F3346;
  --green-ink: #AED67F; --green-soft: #1D3320; --warn: #F2B544; --warn-soft: #362812; --ok: #5FD394; --ok-soft: #12301F;
  --wa: #3CC57A; --ig: #E25AA6; --fb: #8A93F2; --tg: #45B3EC; --web: #93A7B5; --mail: #E28A55;
  --logo-word: #FFFFFF;
  --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 30px rgb(0 0 0 / .3); color-scheme: dark; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body { background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--night); }
a { color: var(--primary); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.15; text-wrap: balance; margin: 0; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 900; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; font-weight: 800; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.eyebrow { font: 600 .78rem/1 var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--primary); }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 62ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 999px; font: 800 1rem var(--f-display); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--grad); color: #04202E; }
.btn.ghost { border-color: currentColor; color: inherit; background: transparent; }
.btn.solid { background: var(--primary); color: var(--primary-ink); }

/* Encabezado */
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9; background: var(--night); color: var(--night-ink); border-bottom: 1px solid var(--night-line); }
header.top .wrap { display: flex; align-items: center; gap: 24px; padding-block: 10px; }
.logo { height: 40px; width: auto; display: block; }
.brand { color: #FFFFFF; display: block; flex: none; }
.brand .logo-word { fill: #FFFFFF; }
nav.main { display: flex; gap: 22px; margin-left: auto; align-items: center; flex-wrap: wrap; }
nav.main a { color: var(--night-muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
nav.main a:hover { color: #FFFFFF; }
nav.main .btn { min-height: 38px; padding: 0 16px; font-size: .92rem; color: #04202E; }
@media (max-width: 760px) { nav.main a:not(.btn) { display: none; } .logo { height: 34px; } }

/* Hero */
.hero { background: var(--night); color: var(--night-ink); overflow: hidden; position: relative; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 4px; background: var(--grad); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center; padding-block: 64px 72px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; letter-spacing: -.02em; color: #FFFFFF; }
.hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .copy { display: grid; gap: 22px; min-width: 0; }
.hero .lede { color: var(--night-muted); }
.hero .eyebrow { color: var(--green); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .btn.ghost { color: var(--night-ink); }
.trust { display: flex; gap: 8px 18px; flex-wrap: wrap; font: 500 .85rem var(--f-label); color: var(--night-muted); letter-spacing: .04em; }
.trust span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; border: 2px solid var(--green); margin-right: 7px; vertical-align: 1px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; padding-block: 44px 56px; } }

/* Bandeja de demostración */
.inbox { background: var(--surface); color: var(--ink); border-radius: var(--r-lg); box-shadow: 0 30px 80px rgb(0 0 0 / .45); display: grid; grid-template-columns: 210px minmax(0, 1fr); overflow: hidden; min-width: 0; font-size: .86rem; border: 1px solid var(--night-line); }
.inbox .list { border-right: 1px solid var(--line); background: var(--raised); min-width: 0; }
.inbox .list h4 { margin: 0; padding: 12px 14px; font: 600 .7rem var(--f-label); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.conv { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.conv.on { background: var(--primary-soft); }
.conv b { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv small { grid-column: 2; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ch { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font: 700 .62rem var(--f-label); color: #FFFFFF; background: var(--c); grid-row: span 2; }
.ch.wa { --c: var(--wa); } .ch.ig { --c: var(--ig); } .ch.fb { --c: var(--fb); } .ch.tg { --c: var(--tg); } .ch.web { --c: var(--web); } .ch.mail { --c: var(--mail); }
.thread { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.thread .head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.thread .head b { font-family: var(--f-display); font-weight: 800; }
.pill { font: 600 .7rem var(--f-label); letter-spacing: .04em; padding: 3px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green-ink); }
.pill.dept { background: var(--primary-soft); color: var(--primary); margin-left: auto; }
.msgs { padding: 14px; display: grid; gap: 8px; align-content: start; }
.bubble { max-width: 84%; padding: 8px 12px; border-radius: 14px; line-height: 1.45; }
.bubble.in { background: var(--raised); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.bubble.out { background: var(--primary-soft); justify-self: end; border-bottom-right-radius: 4px; }
.bubble .who { display: block; font: 600 .66rem var(--f-label); letter-spacing: .06em; color: var(--muted); margin-bottom: 2px; text-transform: uppercase; }
.billcard { border: 1px dashed var(--line); border-radius: var(--r-md); padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; background: var(--surface); font-variant-numeric: tabular-nums; }
.billcard .k { color: var(--muted); font-size: .76rem; }
.billcard .v { font-weight: 700; text-align: right; }
.billcard .t { grid-column: 1 / -1; font: 600 .66rem var(--f-label); letter-spacing: .1em; text-transform: uppercase; color: var(--green-ink); margin-bottom: 4px; }
.compose { border-top: 1px solid var(--line); padding: 10px 14px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.compose .note { font: 500 .7rem var(--f-label); color: var(--ok); background: var(--ok-soft); padding: 3px 8px; border-radius: 6px; }
@media (max-width: 560px) { .inbox { grid-template-columns: 1fr; } .inbox .list .conv:nth-child(n+4) { display: none; } .inbox .list { border-right: 0; border-bottom: 1px solid var(--line); } }

/* Canales */
.channels { background: var(--surface); border-bottom: 1px solid var(--line); }
.channels .wrap { display: flex; align-items: center; gap: 14px 28px; flex-wrap: wrap; padding-block: 22px; }
.channels p { font: 600 .78rem var(--f-label); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.chan-list { display: flex; gap: 10px 22px; flex-wrap: wrap; }
.chan-list span { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.chan-list .ch { grid-row: auto; }

section.block { padding-block: 84px; }
section.block > .wrap { display: grid; gap: 40px; }
.sec-head { display: grid; gap: 14px; max-width: 760px; }

/* Funciones */
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.feat { background: var(--surface); padding: 28px; display: grid; gap: 10px; align-content: start; }
.feat .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.feat .ico svg { width: 24px; height: 24px; }
.feat p { color: var(--muted); }
.feat.ai .ico { background: var(--green-soft); color: var(--green-ink); }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

/* Pasos */
.steps-band { background: var(--surface); border-block: 1px solid var(--line); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: s; }
.steps li { display: grid; gap: 8px; align-content: start; counter-increment: s; position: relative; padding-top: 52px; }
.steps li::before { content: counter(s); position: absolute; top: 0; left: 0; width: 38px; height: 38px; border-radius: 50%; border: 3px solid var(--cyan); display: grid; place-items: center; font: 900 1rem var(--f-display); color: var(--primary); }
.steps li::after { content: ""; position: absolute; top: 18px; left: 48px; right: -18px; height: 2px; background: var(--grad); opacity: .45; }
.steps li:last-child::after { display: none; }
.steps p { color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } .steps li::after { display: none; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Cumplimiento */
.rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.rule-col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: grid; gap: 14px; align-content: start; }
.rule-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.rule-col li { padding-left: 28px; position: relative; }
.rule-col li::before { position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; font: 900 .7rem/18px var(--f-display); text-align: center; }
.rule-col.yes li::before { content: "✓"; background: var(--ok-soft); color: var(--ok); }
.rule-col.no li::before { content: "×"; background: var(--warn-soft); color: var(--warn); font-size: .9rem; }
@media (max-width: 760px) { .rules { grid-template-columns: 1fr; } }

/* Planes */
.provisional { display: inline-flex; gap: 8px; align-items: center; background: var(--warn-soft); color: var(--warn); font: 600 .8rem var(--f-label); letter-spacing: .04em; padding: 6px 12px; border-radius: 999px; justify-self: start; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 26px; display: grid; grid-template-rows: auto auto auto 1fr auto; gap: 16px; }
.plan.featured { border: 2px solid var(--primary); box-shadow: var(--shadow); position: relative; }
.plan.featured .tag { position: absolute; top: -13px; left: 26px; background: var(--primary); color: var(--primary-ink); font: 600 .72rem var(--f-label); letter-spacing: .1em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.plan .name { font: 800 1.3rem var(--f-display); }
.plan .for { color: var(--muted); font-size: .95rem; }
.price { font: 900 2.6rem/1 var(--f-display); font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 6px; }
.price small { font: 600 .9rem var(--f-body); color: var(--muted); }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; align-content: start; }
.plan li { display: flex; gap: 10px; font-variant-numeric: tabular-nums; }
.plan li::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--cyan); margin-top: 7px; }
.plan li.off { color: var(--muted); }
.plan li.off::before { border-color: var(--line); }
.plan .btn { width: 100%; }
.fine { color: var(--muted); font-size: .9rem; max-width: 80ch; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; max-width: 520px; } }

/* Preguntas */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 4px 20px; }
.faq summary { cursor: pointer; font: 800 1.02rem var(--f-display); padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); padding-bottom: 16px; }

/* Demo y contacto */
.demo-band { background: var(--night); color: var(--night-ink); }
.demo-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
.demo-band h2 { color: #FFFFFF; }
.demo-band .lede { color: var(--night-muted); }
.demo-band .eyebrow { color: var(--green); }
.contact-list { display: grid; gap: 14px; margin-top: 8px; }
.contact-list div { display: grid; gap: 2px; }
.contact-list dd { margin: 0; }
.contact-list .v a { color: #FFFFFF; text-decoration-color: var(--green); text-underline-offset: 3px; }
.btn.wa-btn { background: #128C7E; color: #FFFFFF; justify-self: start; }
.ch.solo { grid-row: auto; }
.contact-list dt, .contact-list .k { font: 600 .72rem var(--f-label); letter-spacing: .12em; text-transform: uppercase; color: var(--night-muted); }
.contact-list .v { font-weight: 700; color: #FFFFFF; user-select: all; }
.todo { background: rgb(242 181 68 / .16); color: #F2B544; font: 600 .74rem var(--f-label); padding: 2px 8px; border-radius: 6px; letter-spacing: .03em; user-select: none; }
form.demo { background: var(--surface); color: var(--ink); border-radius: var(--r-lg); padding: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; box-shadow: 0 30px 80px rgb(0 0 0 / .35); }
.field { display: grid; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend { font: 700 .88rem var(--f-body); }
.field input, .field select, .field textarea { width: 100%; font: inherit; color: var(--ink); background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 12px; }
.field textarea { min-height: 90px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
fieldset.field { border: 0; padding: 0; margin: 0; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-weight: 600; font-size: .9rem; cursor: pointer; background: var(--raised); }
.checks input { accent-color: var(--primary); }
.consent { grid-column: 1 / -1; display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--muted); }
.consent input { margin-top: 4px; accent-color: var(--primary); }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-msg { font-weight: 600; font-size: .92rem; }
.form-msg.ok { color: var(--ok); } .form-msg.err { color: var(--warn); }
@media (max-width: 900px) { .demo-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { form.demo { grid-template-columns: 1fr; padding: 20px; } }

/* Pie */
footer.foot { background: var(--night); color: var(--night-muted); border-top: 1px solid var(--night-line); }
footer.foot .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding-block: 48px 28px; }
footer.foot h5 { margin: 0 0 10px; font: 600 .72rem var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--night-ink); }
footer.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
footer.foot a { color: var(--night-muted); text-decoration: none; }
footer.foot a:hover { color: #FFFFFF; }
footer.foot .brand .logo { height: 44px; margin-bottom: 12px; }
footer.foot .legal-line { grid-column: 1 / -1; border-top: 1px solid var(--night-line); padding-top: 18px; font-size: .85rem; display: flex; gap: 8px 20px; flex-wrap: wrap; justify-content: space-between; }
@media (max-width: 760px) { footer.foot .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); } footer.foot .about { grid-column: 1 / -1; } }

/* Vistas legales */
.legal { padding-block: 56px 84px; }
.legal .wrap { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; align-items: start; }
.legal aside { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px); display: grid; gap: 6px; }
.legal aside a { text-decoration: none; color: var(--muted); font-weight: 600; padding: 8px 12px; border-radius: var(--r-sm); }
.legal aside a.on { background: var(--primary-soft); color: var(--primary); }
.legal aside .back { color: var(--primary); margin-bottom: 8px; }
.doc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 4vw, 48px); display: grid; gap: 18px; min-width: 0; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 900; }
.doc h2 { font-size: 1.25rem; font-weight: 800; margin-top: 14px; }
.doc p, .doc li { max-width: 72ch; color: var(--ink); }
.doc ul, .doc ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.doc .meta { color: var(--muted); font: 500 .85rem var(--f-label); letter-spacing: .04em; }
.draft { background: var(--warn-soft); color: var(--warn); border-radius: var(--r-md); padding: 12px 16px; font-weight: 600; font-size: .92rem; }
.doc .tbl { overflow-x: auto; }
.doc table { border-collapse: collapse; width: 100%; font-size: .93rem; min-width: 520px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font: 600 .74rem var(--f-label); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.doc .todo { background: var(--warn-soft); color: var(--warn); }
@media (max-width: 860px) { .legal .wrap { grid-template-columns: 1fr; } .legal aside { position: static; display: flex; flex-wrap: wrap; } }