/* emite — landing (emitecr.com)
   Familia visual Lapatec: editorial claro sobre hueso, Montserrat 800 display,
   Hanken Grotesk cuerpo, botones 4px. Acento de producto: rojo lapa.
   Diferenciador: el comprobante — clave de 50 dígitos en mono como motivo. */

@font-face {
  font-family: 'Montserrat';
  src: url('/fonts/montserrat-800.woff2') format('woff2');
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: 'Hanken Grotesk';
  src: url('/fonts/hanken-grotesk-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Hanken Grotesk';
  src: url('/fonts/hanken-grotesk-600.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

:root {
  --font-display: 'Montserrat';
  --font-body: 'Hanken Grotesk';
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, monospace;

  --ground: #F9F8F3;
  --ground-band: #EFEEE9;
  --navy: #041026;
  --ink: #041026;
  --muted: rgba(4, 16, 38, .62);
  --red: #D71F24;
  --red-soft: rgba(230, 36, 41, .08);
  --yellow: #FFD700;
  --blue: #0EA5E9;
  --card-bg: #FFFFFF;
  --card-border: rgba(4, 16, 38, .1);
  --nav-bg: rgba(249, 248, 243, .82);
  --footer-bg: #041026;
  --footer-text: #F9F8F3;
  --footer-muted: rgba(227, 227, 222, .7);
  --ok: #17803D;
  --warn: #B45309;

  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --shadow-md: 0 2px 6px rgba(4,16,38,.06), 0 12px 32px rgba(4,16,38,.08);
  --shadow-lg: 0 4px 12px rgba(4,16,38,.08), 0 24px 64px rgba(4,16,38,.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #041026;
    --ground-band: #081831;
    --ink: #F9F8F3;
    --muted: rgba(249, 248, 243, .6);
    --red: #FF5A5E;
    --red-soft: rgba(255, 90, 94, .1);
    --blue: #38BDF8;
    --card-bg: #081831;
    --card-border: rgba(249, 248, 243, .14);
    --nav-bg: rgba(4, 16, 38, .82);
    --footer-bg: #020A18;
    --ok: #4ADE80;
    --warn: #FBBF24;
    --shadow-md: 0 2px 6px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
    --shadow-lg: 0 4px 12px rgba(0,0,0,.35), 0 24px 64px rgba(0,0,0,.5);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body), system-ui, sans-serif;
  background: var(--ground);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap { max-width: 68rem; margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }

h1, h2, h3 { font-family: var(--font-display), var(--font-body), sans-serif; font-weight: 800; line-height: 1.12; letter-spacing: -.01em; }

a { color: inherit; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner { display: flex; align-items: center; gap: var(--space-sm); padding-block: .7rem; }
.brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; }
.brand img { height: 1.7rem; width: auto; }
.brand .dot { color: var(--red); }
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; font-size: .92rem; }
.nav-links a { text-decoration: none; color: var(--muted); transition: color .2s var(--ease-out); }
.nav-links a:hover { color: var(--ink); }
.lang { display: flex; gap: .15rem; margin-left: 1rem; font-size: .8rem; font-weight: 600; }
.lang button {
  background: none; border: 1px solid transparent; border-radius: 4px;
  padding: .2rem .45rem; cursor: pointer; color: var(--muted); font: inherit;
}
.lang button[aria-pressed="true"] { color: var(--ink); border-color: var(--card-border); background: var(--card-bg); }
.btn {
  display: inline-block; padding: .68rem 1.25rem; border-radius: 4px;
  font-weight: 600; font-size: .95rem; text-decoration: none; border: 1px solid transparent;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--yellow); color: #041026; box-shadow: 0 1px 0 rgba(4,16,38,.18); }
.btn-primary:hover { box-shadow: 0 6px 18px rgba(255,215,0,.35); }
.btn-ghost { border-color: var(--card-border); color: var(--ink); background: var(--card-bg); }
.nav .btn { margin-left: .75rem; padding: .5rem 1rem; }

/* ── Hero ── */
.hero { position: relative; padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5.5rem); }
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%; filter: blur(70px); z-index: 0; pointer-events: none;
}
.hero::before { width: 34rem; height: 34rem; right: -12rem; top: -10rem; background: var(--red-soft); }
.hero::after { width: 26rem; height: 26rem; left: -10rem; bottom: -12rem; background: rgba(14,165,233,.07); }
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--red); margin-bottom: var(--space-sm);
}
.kicker::before { content: ''; width: 1.6rem; height: 2px; background: var(--red); }
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); margin-bottom: 1.1rem; }
.hero h1 .accent { color: var(--red); }
.hero p.lead { font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 34rem; margin-bottom: 1.8rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.soon { font-size: .82rem; color: var(--muted); }

/* La factura — motivo del producto */
.doc {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 1.4rem 1.5rem 1.1rem; position: relative;
  transform: rotate(1.6deg);
}
.doc::before {
  content: ''; position: absolute; inset: auto 1.5rem -1px 1.5rem; height: 1px;
  background: repeating-linear-gradient(90deg, var(--card-border) 0 6px, transparent 6px 12px);
}
.doc-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: .9rem; gap: 1rem; }
.doc-head .consecutivo { display: block; font-family: var(--font-mono); font-size: .68rem; color: var(--muted); margin-top: .2rem; }
.doc-fecha { font-size: .78rem; color: var(--muted); white-space: nowrap; }
.doc-row.doc-meta { font-size: .74rem; color: var(--muted); }
.doc-row.doc-meta .k, .doc-row.doc-meta .v { color: var(--muted); font-weight: 400; }
.doc-head .tipo { font-family: var(--font-display); font-weight: 800; font-size: .95rem; }

.doc-rows { display: grid; gap: .5rem; font-size: .86rem; }
.doc-row { display: flex; justify-content: space-between; gap: 1rem; }
.doc-row .k { color: var(--muted); }
.doc-row .v { font-weight: 600; text-align: right; }
.doc-total { border-top: 1px solid var(--card-border); margin-top: .65rem; padding-top: .65rem; font-size: 1rem; }
.clave {
  margin-top: 1rem; font-family: var(--font-mono); font-size: .58rem; letter-spacing: .06em;
  color: var(--muted); word-break: break-all; line-height: 1.7;
}
.clave b { color: var(--red); font-weight: 600; }

/* Estado al pie: pendiente → aceptada */
.doc-status {
  margin-top: 1rem; padding-top: .8rem; border-top: 1px solid var(--card-border);
  display: grid; font-size: .82rem; font-weight: 600; min-height: 1.5rem;
}
.doc-status .st {
  grid-area: 1 / 1; display: inline-flex; align-items: center; gap: .45rem;
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.st::before { content: ''; width: .5rem; height: .5rem; border-radius: 50%; }
.st-pending { color: var(--warn); opacity: 1; }
.st-pending::before { background: var(--warn); animation: pulse 1.4s ease-in-out infinite; }
.st-accepted { color: var(--ok); opacity: 0; transform: translateY(6px); }
.st-accepted::before { background: var(--ok); }
.st-accepted::after { content: '✓'; font-weight: 800; }
.doc.accepted .st-pending { opacity: 0; transform: translateY(-6px); }
.doc.accepted .st-accepted { opacity: 1; transform: none; }
@keyframes pulse { 50% { opacity: .35; } }

/* Cinta de tipos */
.band { background: var(--ground-band); border-block: 1px solid var(--card-border); overflow: hidden; }
.band-track {
  display: flex; gap: 3.2rem; padding-block: .8rem; white-space: nowrap;
  font-family: var(--font-mono); font-size: .8rem; color: var(--muted);
  animation: slide 36s linear infinite; width: max-content;
}
.band-track span b { color: var(--red); font-weight: 600; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ── Secciones ── */
section.block { padding-block: clamp(3.2rem, 8vw, 5.5rem); }
.block h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin-bottom: .6rem; max-width: 30rem; }
.block .sub { color: var(--muted); max-width: 36rem; margin-bottom: var(--space-md); }

.features { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.feature {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px;
  padding: 1.35rem 1.3rem; box-shadow: var(--shadow-md);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.feature .num {
  display: block; font-family: var(--font-display); font-weight: 800; font-size: .85rem;
  color: var(--red); margin-bottom: .8rem; padding-bottom: .55rem;
  border-bottom: 2px solid var(--red-soft); letter-spacing: .05em;
}
.feature h3 { font-size: 1.02rem; margin-bottom: .4rem; }
.feature p { font-size: .9rem; color: var(--muted); }

/* Cumplimiento */
.law { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.law-points { display: grid; gap: .9rem; }
.law-point { display: flex; gap: .8rem; align-items: flex-start; }
.law-point .n {
  font-family: var(--font-display); font-weight: 800; color: var(--red);
  font-size: .9rem; padding-top: .15rem; min-width: 1.6rem;
}
.law-point p { font-size: .95rem; color: var(--muted); }
.law-point p b { color: var(--ink); }

/* Familia */
.family {
  background: var(--ground-band); border: 1px solid var(--card-border); border-radius: 12px;
  padding: clamp(1.5rem, 4vw, 2.5rem); display: flex; flex-wrap: wrap; gap: 1.5rem;
  align-items: center; justify-content: space-between;
}
.family p { color: var(--muted); max-width: 30rem; }
.family p b { color: var(--ink); }

/* Contacto */
.contact { text-align: left; }
.contact a.mail { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.3rem, 3vw, 1.9rem); color: var(--red); text-decoration: none; }
.contact a.mail:hover { text-decoration: underline; }

/* ── Footer ── */
footer { background: var(--footer-bg); color: var(--footer-text); margin-top: var(--space-lg); }
.foot-inner { padding-block: var(--space-md); display: grid; gap: 1.2rem; }
.foot-top { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.foot-top .brand { color: var(--footer-text); }
.foot-links { display: flex; gap: 1.4rem; font-size: .88rem; }
.foot-links a { color: var(--footer-muted); text-decoration: none; }
.foot-links a:hover { color: var(--footer-text); }
.legal { font-size: .78rem; color: var(--footer-muted); border-top: 1px solid rgba(249,248,243,.12); padding-top: 1rem; line-height: 1.7; }

/* Reveals */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .doc { transform: none; max-width: 26rem; }
  .features { grid-template-columns: 1fr; }
  .law { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .band-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}