/* Sitio comercial de Certificados EDCERTA. Sistema: tema claro con modo oscuro automático, un solo acento
   (azul marino EDCERTA), radios: tarjetas 18px, campos 12px, botones píldora. */
@font-face { font-family: "Geist"; src: url("/fuentes/geist-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Geist"; src: url("/fuentes/geist-latin-ext-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --bg: #f6f8fb; --surface: #ffffff; --tint: #eef3fa; --line: #dfe5ee;
  --ink: #0d1626; --ink-2: #3b475a; --muted: #5d6b80;
  --brand: #012d5f; --brand-ink: #001a38; --brand-2: #a5cafd; --brand-soft: #e6eefa;
  --navy: #012d5f; --navy-deep: #001a38;
  --ok: #0f7a4d; --err: #b42318; --warn: #9a5b00;
  --shadow: 0 30px 60px -32px rgba(1, 45, 95, .35), 0 8px 18px -12px rgba(1, 45, 95, .18);
  --r-card: 18px; --r-field: 12px;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070f1c; --surface: #0d1a2d; --tint: #0a1526; --line: #1d2c44;
    --ink: #edf2f9; --ink-2: #c3cede; --muted: #93a2b8;
    --brand: #a5cafd; --brand-ink: #001a38; --brand-soft: #12233b;
    --navy: #0c2547; --navy-deep: #061529;
    --ok: #4cc38a; --err: #ff8b80; --warn: #f0b45a;
    --shadow: 0 30px 60px -30px rgba(0, 0, 0, .7), 0 8px 18px -12px rgba(0, 0, 0, .5);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -.025em; line-height: 1.1; }
p { margin: 0; }
.sprite { display: none; }
.ic { width: 1.25em; height: 1.25em; fill: currentColor; flex: none; }
.ic-lg { width: 30px; height: 30px; }
.wrap { width: min(1200px, 100% - 40px); margin-inline: auto; }
.only-mobile { display: none; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 30; background: var(--surface); color: var(--ink); padding: 10px 16px; border-radius: 999px; font-weight: 600; }
.skip:focus { top: 12px; }

/* ---------- botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid transparent; font: 600 15px/1 inherit; text-decoration: none; white-space: nowrap; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s, border-color .2s; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: #012d5f; color: #fff; box-shadow: 0 10px 24px -12px rgba(1, 45, 95, .7); }
.btn-primary:hover { background: #023a78; }
.btn-primary .ic { transition: transform .2s; }
.btn-primary:hover .ic { transform: translateX(3px); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
@media (prefers-color-scheme: dark) { .btn-primary { background: #a5cafd; color: #001a38; } .btn-primary:hover { background: #c4dcff; } }
.btn:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; }

/* ---------- navegación ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.nav-in { height: 68px; display: flex; align-items: center; gap: 28px; }
.brand img { height: 34px; width: auto; }
@media (prefers-color-scheme: dark) { .brand img, .foot-logo { background: #fff; border-radius: 8px; padding: 3px 7px; } }
.links { display: flex; gap: 24px; margin-left: 8px; }
.links a { text-decoration: none; color: var(--ink-2); font-size: 15px; font-weight: 500; }
.links a:hover { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.link-quiet { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--ink-2); }
.link-quiet:hover { color: var(--ink); }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; align-items: center; justify-content: center; }

/* ---------- portada ---------- */
.hero { position: relative; padding: 64px 0 48px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto 40%; height: 680px; background: radial-gradient(closest-side, color-mix(in srgb, var(--brand-2) 34%, transparent), transparent); pointer-events: none; }
.hero-in { position: relative; display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); margin-bottom: 16px; }
.hero h1 { font-size: clamp(36px, 4vw, 54px); font-weight: 700; max-width: 17ch; line-height: 1.06; }
.hero h1 em { font-style: normal; color: var(--brand); }
.lead { margin-top: 20px; font-size: 19px; color: var(--ink-2); max-width: 42ch; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-shots { position: relative; padding: 0 0 48px 0; }
.browser { margin: 0; border-radius: var(--r-card); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--tint); }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.browser-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); }
.phone { position: absolute; right: -14px; bottom: 0; width: 33%; margin: 0; padding: 7px; border-radius: 34px; background: #0b1424; box-shadow: var(--shadow); }
.phone img { border-radius: 27px; aspect-ratio: 780 / 1300; object-fit: cover; object-position: top; }
.paper { margin: 0; border-radius: 6px; overflow: hidden; background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line); }

/* ---------- franja normativa ---------- */
.norm-strip { border-block: 1px solid var(--line); background: var(--surface); }
.norm-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 22px 0; }
.norm-in p { display: flex; gap: 14px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.norm-in b { display: block; color: var(--ink); font-size: 15px; }
.norm-in .ic { width: 26px; height: 26px; color: var(--brand); margin-top: 2px; }

/* ---------- secciones ---------- */
.section { padding: 96px 0; }
.section-tint { background: var(--tint); }
.h2 { font-size: clamp(30px, 3.2vw, 42px); font-weight: 700; max-width: 24ch; }
.sub { margin-top: 14px; font-size: 18px; color: var(--ink-2); max-width: 62ch; }

/* papel versus plataforma */
.versus { margin-top: 44px; display: grid; grid-template-columns: 1fr 1.08fr; border-radius: var(--r-card); overflow: hidden; border: 1px solid var(--line); }
.vs-col { padding: 34px 36px; }
.vs-col h3 { display: flex; align-items: center; gap: 10px; font-size: 19px; margin-bottom: 22px; }
.vs-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.vs-col li { position: relative; padding-left: 22px; font-size: 15.5px; }
.vs-col li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 2px; border-radius: 2px; }
.vs-old { background: var(--surface); color: var(--muted); }
.vs-old h3 { color: var(--ink-2); }
.vs-old h3 .ic { color: var(--warn); }
.vs-old li b { color: var(--ink-2); font-weight: 600; }
.vs-old li::before { background: var(--muted); }
.vs-new { background: #012d5f; color: #c9d8ee; }
.vs-new h3 { color: #fff; }
.vs-new h3 .ic { color: #a5cafd; }
.vs-new li b { color: #fff; font-weight: 600; }
.vs-new li::before { background: #a5cafd; width: 10px; height: 10px; top: .45em; left: 0; border-radius: 50%; }
@media (prefers-color-scheme: dark) { .vs-new { background: #0c2547; } }

/* bento de funciones */
.bento { margin-top: 44px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.cell { position: relative; border-radius: var(--r-card); border: 1px solid var(--line); background: var(--surface); padding: 28px; overflow: hidden; }
.cell h3 { font-size: 21px; margin: 16px 0 8px; }
.cell p { color: var(--ink-2); font-size: 15.5px; }
.cell .ic-lg { color: var(--brand); }
.cell-field { grid-column: span 4; display: grid; grid-template-columns: 1fr 38%; gap: 24px; background: linear-gradient(150deg, var(--brand-soft), var(--surface) 70%); padding-bottom: 0; }
.cell-field .cell-text { padding-bottom: 28px; align-self: center; }
.cell-field img { align-self: end; border-radius: 22px 22px 0 0; border: 6px solid #0b1424; border-bottom: 0; aspect-ratio: 780 / 1040; object-fit: cover; object-position: top; }
.cell-folio { grid-column: span 2; display: flex; flex-direction: column; background: #012d5f; border-color: #012d5f; color: #fff; }
.cell-folio p { color: #c9d8ee; }
.cell-folio .ic-lg { color: #a5cafd; }
.folio { margin-top: auto !important; padding-top: 28px; font: 700 clamp(30px, 3vw, 40px)/1 var(--mono); letter-spacing: -.03em; color: #fff !important; }
.folio span { display: block; font: 500 13px/1.4 "Geist", system-ui, sans-serif; letter-spacing: 0; color: #a5cafd; margin-top: 8px; }
@media (prefers-color-scheme: dark) { .cell-folio { background: #0c2547; border-color: #1d3a63; } }
.cell-isp { grid-column: span 2; }
.isp { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 8px; }
.isp li { padding: 10px 14px; border-radius: 12px; background: var(--tint); border: 1px solid var(--line); }
.isp b { display: block; font-size: 14.5px; }
.isp span { font: 500 12.5px/1.4 var(--mono); color: var(--muted); }
.cell-qr { grid-column: span 2; display: grid; grid-template-rows: auto 1fr; gap: 18px; padding-bottom: 0; }
.cell-qr img { border-radius: 14px 14px 0 0; border: 1px solid var(--line); border-bottom: 0; aspect-ratio: 740 / 560; object-fit: cover; object-position: top; align-self: end; }
.cell-offline { grid-column: span 2; background: radial-gradient(420px 240px at 100% 0%, color-mix(in srgb, var(--brand-2) 30%, transparent), transparent 70%), var(--surface); }
.off-ic { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.off-ic .ic { width: 22px; height: 22px; }
.off-ic .ic:first-child, .off-ic .ic:last-child { width: 44px; height: 44px; padding: 10px; border-radius: 14px; background: var(--tint); border: 1px solid var(--line); color: var(--brand); }
.cell-pdf { grid-column: span 6; display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; padding: 0 0 0 40px; background: linear-gradient(120deg, var(--surface) 30%, var(--brand-soft)); }
.cell-pdf .cell-text { align-self: center; padding: 36px 0; max-width: 46ch; }
.cell-pdf img { margin-top: 36px; border-radius: 8px 8px 0 0; box-shadow: var(--shadow); aspect-ratio: 1100 / 520; object-fit: cover; object-position: top; align-self: end; }

/* pasos con pestañas */
.steps { margin-top: 44px; display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.step-tabs { display: grid; gap: 8px; position: relative; }
.step-tabs button { display: flex; align-items: center; gap: 14px; text-align: left; padding: 14px 16px; border-radius: 14px; border: 1px solid transparent; background: transparent; color: var(--ink-2); font: inherit; cursor: pointer; transition: background .2s, border-color .2s; }
.step-tabs button:hover { background: var(--tint); }
.step-tabs button[aria-selected="true"] { background: var(--surface); border-color: var(--line); box-shadow: var(--shadow); color: var(--ink); }
.step-tabs b { display: block; font-size: 17px; }
.step-tabs small { display: block; font-size: 13.5px; color: var(--muted); }
.st-ic { width: 44px; height: 44px; flex: none; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--line); color: var(--muted); background: var(--surface); transition: border-color .2s, color .2s, background .2s; }
.st-ic .ic { width: 22px; height: 22px; }
.step-tabs button[aria-selected="true"] .st-ic { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.step-panels { min-height: 460px; }
.step-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: center; padding: 32px; border-radius: 24px; background: var(--tint); border: 1px solid var(--line); }
.step-panel + .step-panel { margin-top: 18px; }
.js .step-panel + .step-panel { margin-top: 0; }
.js .step-panel[hidden] { display: none; }
.sp-copy h3 { font-size: 25px; }
.sp-copy p { margin-top: 12px; color: var(--ink-2); }
.mini { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; font-size: 15px; color: var(--ink-2); }
.mini li { display: flex; gap: 9px; align-items: flex-start; }
.mini .ic { width: 18px; height: 18px; color: var(--ok); margin-top: 3px; }
.sp-shot img { aspect-ratio: 1600 / 1000; }
.sp-phone { position: static; width: 52%; justify-self: center; }
.sp-phone img { aspect-ratio: 780 / 1200; }
.sp-paper { width: 74%; justify-self: center; }
.sp-paper img { aspect-ratio: 1100 / 1100; object-fit: cover; object-position: top; }
@media (prefers-reduced-motion: no-preference) {
  .js .step-panel:not([hidden]) { animation: panelIn .45s cubic-bezier(.16, 1, .3, 1); }
  @keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}

/* anatomía del certificado */
.anat { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
.anat-doc { transform: rotate(-1.5deg); }
.anat-doc img { aspect-ratio: 1100 / 1450; object-fit: cover; object-position: top; }
.secs { list-style: none; counter-reset: s; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.secs li { counter-increment: s; display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; align-items: start; }
.secs li::before { content: counter(s); grid-row: span 2; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font: 700 14px/1 var(--mono); background: var(--surface); color: var(--brand); border: 1px solid var(--line); }
.secs b { font-size: 15.5px; }
.secs span { font-size: 14px; color: var(--muted); line-height: 1.45; }

/* roles */
.section-brand { background: radial-gradient(700px 360px at 90% 0%, rgba(165, 202, 253, .16), transparent 60%), #012d5f; color: #fff; }
@media (prefers-color-scheme: dark) { .section-brand { background: radial-gradient(700px 360px at 90% 0%, rgba(165, 202, 253, .12), transparent 60%), #0a1f3c; } }
.section-brand .sub { color: #c9d8ee; }
.roles { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(165, 202, 253, .25); }
.role { padding: 28px 26px 8px 0; }
.role + .role { padding-left: 26px; border-left: 1px solid rgba(165, 202, 253, .25); }
.role .ic { width: 30px; height: 30px; color: #a5cafd; }
.role h3 { font-size: 20px; margin: 14px 0 8px; }
.role p { color: #c9d8ee; font-size: 15px; }

/* seguridad */
.sec-grid { margin-top: 44px; display: grid; grid-template-columns: 1.25fr 1fr 1fr; grid-template-rows: auto auto; gap: 18px; }
.sec-feat { grid-row: span 2; padding: 32px; border-radius: var(--r-card); background: linear-gradient(160deg, var(--brand-soft), var(--surface) 75%); border: 1px solid var(--line); display: flex; flex-direction: column; }
.sec-feat .ic-lg { color: var(--brand); width: 36px; height: 36px; }
.sec-feat h3 { font-size: 24px; margin: 18px 0 10px; }
.sec-feat p { color: var(--ink-2); }
.hash { margin-top: auto; display: block; padding: 16px 18px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); font: 500 13px/1.6 var(--mono); color: var(--ink-2); word-break: break-all; }
.sec-feat .hash { margin-top: 28px; }
.sec-group { padding: 24px 4px 4px; border-top: 2px solid var(--line); }
.sec-group h3 { display: flex; align-items: center; gap: 10px; font-size: 18px; margin-bottom: 12px; }
.sec-group h3 .ic { color: var(--brand); }
.sec-group ul { margin: 0; padding: 0 0 0 18px; display: grid; gap: 8px; color: var(--ink-2); font-size: 15px; }
.sec-group li::marker { color: var(--brand); }

/* planes */
.billing { display: inline-flex; gap: 4px; padding: 4px; margin-top: 28px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); }
.billing button { font: 600 15px/1 inherit; color: var(--ink-2); background: transparent; border: 0; border-radius: 999px; padding: 11px 20px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.billing button span { font-size: 12.5px; font-weight: 700; color: var(--ok); }
.billing button.on { background: var(--tint); color: var(--ink); box-shadow: 0 4px 12px -6px rgba(1, 45, 95, .35); }
.plans { margin-top: 32px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 28px 24px; border-radius: var(--r-card); border: 1px solid var(--line); background: var(--surface); }
.plan h3 { font-size: 22px; }
.plan-for { margin-top: 6px !important; color: var(--muted); font-size: 14.5px; min-height: 44px; }
.price { margin-top: 18px !important; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.price .amt { font-size: 36px; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.price .amt-text { font-size: 30px; font-weight: 700; letter-spacing: -.02em; }
.price .per { color: var(--muted); font-size: 14px; }
.bill { margin-top: 4px !important; font-size: 13.5px; color: var(--muted); min-height: 20px; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 26px; display: grid; gap: 11px; font-size: 15px; color: var(--ink-2); }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li .ic { color: var(--brand); width: 18px; height: 18px; margin-top: 3px; }
.plan .btn { margin-top: auto; }
.plan .plan-pay:not([hidden]) + .plan-demo { margin-top: 10px; }
.plan .btn[hidden] { display: none; }
.plan-hl { border: 2px solid #012d5f; box-shadow: var(--shadow); }
.plan-badge { position: absolute; top: -13px; left: 24px; background: #012d5f; color: #fff; font-size: 12.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.plan-corp { background: linear-gradient(170deg, var(--surface), var(--brand-soft)); }
.plans-note { margin-top: 22px !important; font-size: 14px; color: var(--muted); max-width: 90ch; }
@media (prefers-color-scheme: dark) { .plan-hl { border-color: #a5cafd; } .plan-badge { background: #a5cafd; color: #001a38; } }

/* preguntas */
.faq-wrap { max-width: 860px; }
.faq { margin-top: 36px; display: grid; gap: 12px; }
.faq details { border-radius: var(--r-card); border: 1px solid var(--line); background: var(--surface); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { transition: transform .2s; color: var(--muted); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { padding: 0 24px 22px; color: var(--ink-2); }

/* demostración */
.demo { display: grid; grid-template-columns: .9fr 1.1fr; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.demo-side { background: radial-gradient(500px 300px at 0% 0%, rgba(165, 202, 253, .28), transparent 60%), #012d5f; color: #fff; padding: 48px 44px; }
.demo-side h2 { font-size: clamp(28px, 3vw, 38px); }
.demo-side p { margin-top: 14px; color: #c9d8ee; font-size: 17px; }
.demo-side ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.demo-side li { display: flex; gap: 10px; align-items: center; font-weight: 500; }
.demo-side li .ic { color: #a5cafd; }
.demo-form { position: relative; padding: 44px; display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-field); padding: 12px 14px; transition: border-color .15s, box-shadow .15s; }
.field textarea { resize: vertical; min-height: 92px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent); }
.field.has-err input { border-color: var(--err); }
.err-msg, .form-err { color: var(--err); font-size: 14px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.privacy { font-size: 13.5px; color: var(--muted); text-align: center; }
.form-ok { position: absolute; inset: 0; background: var(--surface); display: grid; place-content: center; justify-items: center; text-align: center; gap: 10px; padding: 32px; }
.form-ok[hidden] { display: none; }
.form-ok .ic-lg { width: 48px; height: 48px; color: var(--ok); }
.form-ok h3 { font-size: 26px; }
.form-ok p { color: var(--ink-2); }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .4); border-top-color: currentColor; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* pie */
.foot { border-top: 1px solid var(--line); padding: 56px 0 36px; background: var(--surface); }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-logo { height: 30px; width: auto; }
.foot-brand p { margin-top: 16px; color: var(--muted); font-size: 14.5px; max-width: 34ch; }
.foot-col { display: grid; gap: 10px; align-content: start; }
.foot-col h3 { font-size: 14px; letter-spacing: 0; margin-bottom: 4px; }
.foot-col a { text-decoration: none; color: var(--ink-2); font-size: 14.5px; }
.foot-col a:hover { color: var(--ink); }
.foot-legal { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; }

/* animación de entrada: solo jerarquía al aparecer, desactivada con movimiento reducido */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1); }
  .js .reveal.in { opacity: 1; transform: none; }
  .js .anat-doc.reveal.in { transform: rotate(-1.5deg); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .spinner { animation-duration: 2s; } }

/* ---------- celular y tablet ---------- */
@media (max-width: 1080px) {
  .links { gap: 18px; }
  .links a { font-size: 14.5px; }
  .link-quiet { display: none; }
}
@media (max-width: 960px) {
  .links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0; padding: 8px 20px 18px; background: var(--surface); border-bottom: 1px solid var(--line); }
  .links.open { display: flex; }
  .links a { padding: 12px 0; font-size: 17px; }
  .only-mobile { display: block; }
  .hide-mobile { display: none; }
  .menu-btn { display: inline-flex; }
  .nav-cta { gap: 10px; }
  .nav-cta .btn { height: 40px; padding: 0 14px; font-size: 14px; }
  .hero { padding-top: 36px; }
  .hero-in, .anat, .demo, .versus { grid-template-columns: 1fr; }
  .hero-in { gap: 36px; }
  .phone { width: 34%; right: 6px; }
  .norm-in { grid-template-columns: 1fr 1fr; gap: 16px 24px; }
  .section { padding: 72px 0; }
  .bento { grid-template-columns: 1fr 1fr; }
  .cell-field { grid-column: span 2; }
  .cell-folio, .cell-isp, .cell-qr, .cell-offline { grid-column: span 1; }
  .cell-pdf { grid-column: span 2; grid-template-columns: 1fr; gap: 0; padding: 0 28px; }
  .cell-pdf .cell-text { padding: 28px 0 0; }
  .cell-pdf img { margin-top: 24px; aspect-ratio: 1100 / 700; }
  .steps { grid-template-columns: 1fr; gap: 20px; }
  .step-tabs { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .step-tabs button { flex-direction: column; text-align: center; gap: 8px; padding: 12px 6px; }
  .step-tabs small { display: none; }
  .step-tabs b { font-size: 14.5px; }
  .step-panels { min-height: 0; }
  .step-panel { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .anat { gap: 40px; }
  .anat-doc { max-width: 460px; justify-self: center; }
  .roles { grid-template-columns: 1fr 1fr; }
  .role:nth-child(3) { padding-left: 0; border-left: 0; }
  .role:nth-child(n+3) { border-top: 1px solid rgba(165, 202, 253, .25); margin-top: 20px; }
  .sec-grid { grid-template-columns: 1fr 1fr; }
  .sec-feat { grid-column: span 2; grid-row: auto; }
  .plans { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .demo-side, .demo-form { padding: 32px 24px; }
  .foot-in { grid-template-columns: 1fr 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .nav-cta .btn { display: none; }
  .hero h1 { font-size: 34px; }
  .lead { font-size: 17px; }
  .hero-ctas .btn { width: 100%; }
  .norm-in { grid-template-columns: 1fr; }
  .vs-col { padding: 26px 22px; }
  .bento { grid-template-columns: 1fr; }
  .cell-field, .cell-folio, .cell-isp, .cell-qr, .cell-offline, .cell-pdf { grid-column: auto; }
  .cell-field { grid-template-columns: 1fr; }
  .cell-field img { width: 70%; justify-self: center; }
  .step-tabs button { padding: 10px 2px; }
  .st-ic { width: 38px; height: 38px; }
  .step-tabs b { font-size: 13px; }
  .sp-phone { width: 70%; }
  .sp-paper { width: 100%; }
  .secs { grid-template-columns: 1fr; }
  .roles { grid-template-columns: 1fr; }
  .role, .role + .role { padding: 22px 0 4px; border-left: 0; margin-top: 0; }
  .role + .role { border-top: 1px solid rgba(165, 202, 253, .25); }
  .sec-grid { grid-template-columns: 1fr; }
  .sec-feat { grid-column: auto; padding: 26px 22px; }
  .grid2 { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr 1fr; }
}

/* ---------- acabado premium: capas en portada, cifras, brillo que sigue al cursor y textura ---------- */
body::after { content: ""; position: fixed; inset: 0; z-index: 40; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
@media (prefers-color-scheme: dark) { body::after { opacity: .05; } }

.nav { transition: background .3s, box-shadow .3s, border-color .3s; }
.nav.scrolled { background: color-mix(in srgb, var(--bg) 92%, transparent); box-shadow: 0 10px 30px -22px rgba(1, 45, 95, .45); }

.hero { padding: 72px 0 72px; }
.hero::before { inset: -30% -20% auto 30%; height: 820px; background:
  radial-gradient(closest-side at 60% 45%, color-mix(in srgb, var(--brand-2) 42%, transparent), transparent),
  radial-gradient(closest-side at 25% 70%, color-mix(in srgb, #012d5f 10%, transparent), transparent); }
.hero h1 { font-size: clamp(38px, 3.9vw, 56px); max-width: 18ch; letter-spacing: -.035em; font-weight: 720; }
.lead { font-size: 19.5px; }

.hero-shots { perspective: 1600px; padding-bottom: 64px; }
.hero-shots > * { transform-style: preserve-3d; }
[data-tilt] { --rx: 0deg; --ry: 0deg; }
.layer-back { transform: rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s cubic-bezier(.16, 1, .3, 1); }
.layer-mid { transform: translate3d(calc(var(--ry) * -2.2), calc(var(--rx) * 2.2), 40px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s cubic-bezier(.16, 1, .3, 1); }
.verify-card { position: absolute; left: -36px; bottom: 6px; width: 30%; margin: 0; border-radius: 16px; overflow: hidden; background: #fff;
  border: 1px solid var(--line); box-shadow: 0 40px 70px -30px rgba(1, 45, 95, .55), 0 10px 20px -12px rgba(1, 45, 95, .3);
  transform: translate3d(calc(var(--ry) * -3.4), calc(var(--rx) * 3.4), 80px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s cubic-bezier(.16, 1, .3, 1); }
.verify-card img { aspect-ratio: 740 / 560; object-fit: cover; object-position: top; }
@media (prefers-reduced-motion: no-preference) {
  .verify-card { animation: floaty 7s ease-in-out infinite; }
  @keyframes floaty { 50% { translate: 0 -8px; } }
}

/* brillo en el botón principal */
.btn-primary { position: relative; overflow: hidden; isolation: isolate; }
.btn-primary::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .22) 50%, transparent 70%); translate: -120% 0; transition: translate .7s cubic-bezier(.16, 1, .3, 1); }
.btn-primary:hover::after { translate: 120% 0; }

/* tarjetas: brillo que sigue al cursor y leve elevación */
.spot { --mx: 50%; --my: 50%; transition: transform .35s cubic-bezier(.16, 1, .3, 1), box-shadow .35s, border-color .35s; }
.spot::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--mx) var(--my), color-mix(in srgb, var(--brand-2) 26%, transparent), transparent 60%); }
.spot:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.spot:hover::before { opacity: 1; }
.plan, .sec-feat { position: relative; }
.cell > *, .plan > *, .sec-feat > * { position: relative; }
.plan > .plan-badge { position: absolute; }

/* cifras */
.stats { padding: 0 0 8px; background: var(--tint); }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); border-radius: 24px; overflow: hidden; translate: 0 -40px;
  background: linear-gradient(135deg, #012d5f, #001a38); box-shadow: 0 40px 80px -40px rgba(1, 45, 95, .6); }
@media (prefers-color-scheme: dark) { .stats-in { background: linear-gradient(135deg, #0c2547, #061529); border: 1px solid #1d3a63; } }
.stat { padding: 34px 30px; color: #fff; }
.stat + .stat { border-left: 1px solid rgba(165, 202, 253, .18); }
.stat-num { font: 700 clamp(40px, 4.4vw, 60px)/1 "Geist", system-ui, sans-serif; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.stat-num small { font-size: 18px; font-weight: 600; letter-spacing: 0; margin-left: 6px; color: #a5cafd; }
.stat-lbl { margin-top: 12px !important; color: #c9d8ee; font-size: 14.5px; max-width: 26ch; }
#funciones { padding-bottom: 136px; }

.cell .folio { font-size: clamp(30px, 3vw, 40px); }
.folio b { font: inherit; }
.h2 { letter-spacing: -.035em; }

/* entradas escalonadas dentro de cada grupo */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { transition-delay: calc(var(--i, 0) * 70ms); }
}

@media (max-width: 960px) {
  .verify-card { width: 32%; left: -6px; }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(165, 202, 253, .18); }
}
@media (max-width: 640px) {
  .hero { padding: 36px 0 48px; }
  .verify-card { width: 38%; left: 0; bottom: 0; }
  .stat { padding: 24px 20px; }
  .stat-lbl { font-size: 13.5px; }
}