/* Landing de Lazo. Los colores salen de tokens.css: acá no hay ningún hex suelto
   salvo el negro puro de una sombra. Ver docs/01-marca.md. */

/* ── Base ───────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, .marca__nombre {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.12;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
em { font-style: normal; color: var(--lazo); }

a { color: inherit; }

.contenedor { width: min(100% - 2.5rem, 1120px); margin-inline: auto; }
.contenedor--angosto { width: min(100% - 2.5rem, 760px); }

.visualmente-oculto {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

.saltar {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--lazo); color: var(--tinta); padding: 0.75rem 1rem; font-weight: 600;
}
.saltar:focus { left: 0; }

:focus-visible { outline: 2px solid var(--lazo); outline-offset: 3px; border-radius: 3px; }

/* ── Cabecera ───────────────────────────────────────────────────────────── */

.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--tinta) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--papel) 12%, transparent);
  color: var(--papel);
}

.cabecera__fila {
  display: flex; align-items: center; gap: 1rem;
  justify-content: space-between;
  min-height: 62px;
}

.marca { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.marca__logo { display: block; width: 38px; color: var(--lazo); }
.marca__logo svg { display: block; width: 100%; height: auto; }
.marca__nombre { font-size: 1.35rem; letter-spacing: 0.02em; }

.trazo {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: dibujar 1.8s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}
@keyframes dibujar { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .trazo { animation: none; stroke-dashoffset: 0; }
}


.cabecera__cta {
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  color: var(--lazo);
  border-bottom: 1px solid color-mix(in srgb, var(--lazo) 45%, transparent);
  padding-bottom: 2px;
}
.cabecera__cta:hover { border-bottom-color: var(--lazo); }

.cabecera__promesa {
  margin: 0;
  font-family: ui-serif, Georgia, serif;
  font-size: 0.97rem; font-style: italic;
  color: color-mix(in srgb, var(--papel) 58%, transparent);
}

@media (max-width: 860px) { .cabecera__promesa { display: none; } }
@media (max-width: 420px) { .cabecera__cta { display: none; } }

/* ── Héroe ──────────────────────────────────────────────────────────────── */

.heroe {
  background: var(--tinta);
  color: var(--papel);
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3.5rem, 9vw, 6.5rem);
  position: relative;
  overflow: hidden;
}
.heroe::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 55% at 18% 0%, color-mix(in srgb, var(--lazo) 13%, transparent), transparent 70%),
    radial-gradient(45% 45% at 95% 100%, color-mix(in srgb, var(--bruma) 16%, transparent), transparent 70%);
  pointer-events: none;
}
.heroe > * { position: relative; }

.heroe__grilla {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
}
@media (min-width: 900px) {
  .heroe__grilla { grid-template-columns: 1.15fr 0.85fr; }
}

.ceja {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--lazo);
  margin-bottom: 1.1rem;
}
.ceja--oscura { color: color-mix(in srgb, var(--tinta) 55%, var(--bruma)); }

.heroe h1 { font-size: clamp(2.1rem, 5.2vw, 3.4rem); }

.bajada {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: color-mix(in srgb, var(--papel) 78%, transparent);
  margin-top: 1.4rem;
  max-width: 34em;
}

.acciones { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.boton {
  display: inline-block; text-decoration: none; cursor: pointer;
  font: inherit; font-size: 0.97rem; font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.boton--primario { background: var(--lazo); color: var(--tinta); }
.boton--primario:hover { background: color-mix(in srgb, var(--lazo) 88%, var(--papel)); transform: translateY(-1px); }
.boton--fantasma {
  color: var(--papel);
  border-color: color-mix(in srgb, var(--papel) 30%, transparent);
}
.boton--fantasma:hover { border-color: var(--papel); transform: translateY(-1px); }
.boton--ancho { width: 100%; padding-block: 0.95rem; }
.boton[disabled] { opacity: 0.55; cursor: progress; }

.pie-heroe {
  margin-top: 1.8rem; font-size: 0.9rem;
  color: color-mix(in srgb, var(--papel) 60%, transparent);
}

/* ── Maqueta del celular ────────────────────────────────────────────────── */

.maqueta { margin: 0; }
.maqueta__rotulo {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: color-mix(in srgb, var(--papel) 52%, transparent);
  margin-bottom: 0.7rem; text-align: right;
}

.telefono {
  background: var(--papel);
  color: var(--tinta);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgb(0 0 0 / 0.65);
  max-width: 400px; margin-inline: auto;
}

.telefono__barra {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.85rem 1rem;
  background: color-mix(in srgb, var(--tinta) 92%, var(--bruma));
  color: var(--papel);
}
.telefono__barra strong { display: block; font-size: 0.92rem; }
.telefono__barra span:not(.telefono__avatar) {
  font-size: 0.76rem; color: color-mix(in srgb, var(--papel) 62%, transparent);
}
.telefono__avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: color-mix(in srgb, var(--lazo) 75%, var(--tinta));
}

.chat { padding: 1rem; background: color-mix(in srgb, var(--bruma) 9%, var(--papel)); }

.burbuja { border-radius: 12px; padding: 0.7rem 0.85rem; font-size: 0.92rem; margin-bottom: 0.7rem; }
.burbuja--sistema {
  background: color-mix(in srgb, var(--bruma) 20%, transparent);
  color: color-mix(in srgb, var(--tinta) 80%, var(--bruma));
  font-size: 0.76rem; text-align: center; border-radius: 8px;
}
.burbuja--saliente {
  background: color-mix(in srgb, var(--trato) 14%, var(--papel));
  border: 1px solid color-mix(in srgb, var(--trato) 28%, transparent);
  border-bottom-right-radius: 3px;
  margin-left: 1.5rem;
}

.chat__acciones { display: flex; gap: 0.5rem; margin-left: 1.5rem; }
.chip {
  font-size: 0.8rem; font-weight: 600;
  padding: 0.45rem 0.8rem; border-radius: 6px;
  border: 1px solid var(--borde);
  color: color-mix(in srgb, var(--tinta) 75%, var(--bruma));
}
.chip--ok { background: var(--trato); border-color: var(--trato); color: var(--papel); }

.chat__nota {
  margin: 0.7rem 0 0; font-size: 0.75rem; text-align: right;
  color: color-mix(in srgb, var(--tinta) 55%, var(--bruma));
}

/* ── Secciones ──────────────────────────────────────────────────────────── */

.seccion { padding: clamp(3.5rem, 9vw, 6rem) 0; }
.seccion--alt { background: color-mix(in srgb, var(--bruma) 9%, var(--papel)); }
.seccion--oscura { background: var(--tinta); color: var(--papel); }
.seccion--oscura .ceja { color: var(--lazo); }

.titulo { font-size: clamp(1.6rem, 3.4vw, 2.35rem); max-width: 20em; }

.intro {
  margin-top: 1.3rem; max-width: 42em;
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--tinta) 72%, var(--bruma));
}
.intro--clara { color: color-mix(in srgb, var(--papel) 76%, transparent); }

.parrafo { margin-top: 1.1rem; max-width: 40em; font-size: 1.03rem; }

/* ── Pasos ──────────────────────────────────────────────────────────────── */

.pasos {
  list-style: none; margin: 2.6rem 0 0; padding: 0;
  display: grid; gap: 1.25rem;
}
@media (min-width: 860px) { .pasos { grid-template-columns: repeat(3, 1fr); } }

.paso {
  background: var(--papel);
  border: 1px solid var(--borde);
  border-top: 2px solid var(--lazo);
  border-radius: 10px;
  padding: 1.6rem 1.5rem 1.4rem;
  display: flex; flex-direction: column;
}
.paso__n {
  font-family: ui-serif, Georgia, serif;
  font-size: 0.95rem; color: var(--lazo); letter-spacing: 0.1em;
}
.paso h3 { font-size: 1.3rem; margin: 0.4rem 0 0.9rem; }
.paso p { font-size: 0.97rem; color: color-mix(in srgb, var(--tinta) 82%, var(--bruma)); }
.paso__cita {
  font-family: ui-serif, Georgia, serif; font-style: italic;
  font-size: 1.02rem !important; color: var(--tinta) !important;
  border-left: 2px solid color-mix(in srgb, var(--lazo) 55%, transparent);
  padding-left: 0.9rem;
}
.paso__tiempo {
  margin: auto 0 0; padding-top: 1rem;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: color-mix(in srgb, var(--tinta) 60%, var(--bruma)) !important;
  border-top: 1px solid var(--borde);
}

/* ── Comparación ────────────────────────────────────────────────────────── */

.tabla-envoltorio { margin-top: 2.5rem; }

.comparacion {
  width: 100%; border-collapse: collapse;
  background: var(--papel);
  border: 1px solid var(--borde);
  border-radius: 10px;
  overflow: hidden;
}
.comparacion th, .comparacion td {
  padding: 1rem 1.1rem; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--borde);
  font-size: 0.97rem;
}
.comparacion thead th {
  font-family: system-ui, sans-serif; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--tinta) 60%, var(--bruma));
  background: color-mix(in srgb, var(--bruma) 10%, transparent);
}
.comparacion tbody th {
  font-weight: 600; width: 26%;
  color: color-mix(in srgb, var(--tinta) 70%, var(--bruma));
  font-family: system-ui, sans-serif; font-size: 0.92rem;
}
.comparacion td { color: color-mix(in srgb, var(--tinta) 78%, var(--bruma)); }
.comparacion tbody tr:last-child th,
.comparacion tbody tr:last-child td { border-bottom: 0; }

.comparacion .es-lazo {
  background: color-mix(in srgb, var(--lazo) 7%, transparent);
  color: var(--tinta);
  font-weight: 500;
  box-shadow: inset 2px 0 0 var(--lazo);
}
.comparacion thead .es-lazo { color: var(--tinta); }

@media (max-width: 760px) {
  .comparacion, .comparacion tbody, .comparacion tr, .comparacion th, .comparacion td { display: block; }
  .comparacion thead { display: none; }
  .comparacion tbody tr { border-bottom: 1px solid var(--borde); padding: 0.4rem 0 0.9rem; }
  .comparacion tbody tr:last-child { border-bottom: 0; }
  .comparacion tbody th { width: auto; padding-bottom: 0.4rem; border: 0; }
  .comparacion td { border: 0; padding-block: 0.3rem; }
  .comparacion td::before {
    content: attr(data-col);
    display: block;
    font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
    color: color-mix(in srgb, var(--tinta) 55%, var(--bruma));
    margin-bottom: 0.15rem;
  }
  .comparacion .es-lazo { border-radius: 0 6px 6px 0; }
}

/* ── Límites ────────────────────────────────────────────────────────────── */

.limites { list-style: none; margin: 2.4rem 0 0; padding: 0; }
.limites li {
  position: relative;
  padding: 1.15rem 0 1.15rem 2.2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--papel) 14%, transparent);
  color: color-mix(in srgb, var(--papel) 76%, transparent);
  font-size: 1.01rem;
}
.limites li:last-child { border-bottom: 0; }
.limites li::before {
  content: ""; position: absolute; left: 0; top: 1.65rem;
  width: 14px; height: 1px; background: var(--lazo);
}
.limites strong { color: var(--papel); font-weight: 600; }

/* ── Preguntas ──────────────────────────────────────────────────────────── */

.pregunta {
  border-bottom: 1px solid var(--borde);
  padding: 0.35rem 0;
}
.pregunta:first-of-type { border-top: 1px solid var(--borde); margin-top: 2.4rem; }

.pregunta summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 0;
  font-family: ui-serif, Georgia, serif;
  font-size: 1.16rem; font-weight: 600;
}
.pregunta summary::-webkit-details-marker { display: none; }
.pregunta summary::after {
  content: ""; flex: none;
  width: 11px; height: 11px;
  border-right: 2px solid var(--lazo); border-bottom: 2px solid var(--lazo);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.2s ease;
}
.pregunta[open] summary::after { transform: rotate(-135deg) translateY(-3px); }

.pregunta__cuerpo { padding-bottom: 1rem; max-width: 44em; }
.pregunta__cuerpo p {
  font-size: 0.99rem;
  color: color-mix(in srgb, var(--tinta) 78%, var(--bruma));
}
.pregunta__cuerpo p:last-child { margin-bottom: 0; }

/* ── Formulario ─────────────────────────────────────────────────────────── */

.seccion--demo { border-top: 2px solid var(--lazo); }

.formulario {
  margin-top: 2.4rem;
  display: grid; gap: 1.1rem;
  max-width: 560px;
}
@media (min-width: 640px) {
  .formulario { grid-template-columns: 1fr 1fr; }
  .formulario > button, .formulario > .form-estado, .formulario > .letra-chica { grid-column: 1 / -1; }
}

.campo { display: flex; flex-direction: column; gap: 0.4rem; }
.campo label {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--papel) 82%, transparent);
}
.opcional { font-weight: 400; color: color-mix(in srgb, var(--papel) 55%, transparent); }

.campo input, .campo select {
  font: inherit; font-size: 0.97rem;
  color: var(--papel);
  background: color-mix(in srgb, var(--papel) 7%, transparent);
  border: 1px solid color-mix(in srgb, var(--papel) 24%, transparent);
  border-radius: 6px;
  padding: 0.72rem 0.85rem;
  width: 100%;
}
.campo select { appearance: none; background-image: none; }
.campo select option { color: var(--tinta); }
.campo input:focus, .campo select:focus { border-color: var(--lazo); outline: none; }
.campo input:focus-visible, .campo select:focus-visible { outline: 2px solid var(--lazo); outline-offset: 1px; }

.form-estado { margin: 0; font-size: 0.9rem; min-height: 1.2em; color: color-mix(in srgb, var(--papel) 70%, transparent); }
.form-estado--ok { color: var(--trato); }
.form-estado--aviso { color: var(--lazo); }
.form-estado--error { color: color-mix(in srgb, var(--papel) 90%, transparent); }

.letra-chica {
  margin: 0.2rem 0 0; font-size: 0.82rem;
  color: color-mix(in srgb, var(--papel) 68%, transparent);
}
.letra-chica a { color: color-mix(in srgb, var(--papel) 85%, transparent); }

/* ── Pie ────────────────────────────────────────────────────────────────── */

.pie {
  background: var(--tinta);
  color: color-mix(in srgb, var(--papel) 65%, transparent);
  padding: 2.5rem 0 3rem;
  border-top: 1px solid color-mix(in srgb, var(--papel) 12%, transparent);
  font-size: 0.88rem;
}
.pie__fila {
  display: flex; flex-wrap: wrap; gap: 0.8rem 1.6rem;
  align-items: baseline; justify-content: space-between;
}
.pie__marca { margin: 0; }
.pie__marca strong { color: var(--papel); font-family: ui-serif, Georgia, serif; font-size: 1.05rem; }
.pie__enlaces { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.pie__aviso {
  margin: 1.6rem 0 0; font-size: 0.76rem; max-width: 46em;
  color: color-mix(in srgb, var(--papel) 45%, transparent);
}

/* ── Aparición al hacer scroll (solo si el script corre) ────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .js [data-aparece] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .js [data-aparece][data-visible] { opacity: 1; transform: none; }
}

/* Escalonado: las tarjetas y los límites aparecen uno detrás de otro, no en bloque */
@media (prefers-reduced-motion: no-preference) {
  .js .pasos [data-aparece]:nth-child(2) { transition-delay: 0.09s; }
  .js .pasos [data-aparece]:nth-child(3) { transition-delay: 0.18s; }
  .js .limites li:nth-child(2) { transition-delay: 0.06s; }
  .js .limites li:nth-child(3) { transition-delay: 0.12s; }
  .js .limites li:nth-child(4) { transition-delay: 0.18s; }
  .js .limites li:nth-child(5) { transition-delay: 0.24s; }
}

/* La cabecera es fija: los anclajes tienen que frenar antes */
[id] { scroll-margin-top: 84px; }

/* El select necesita su flecha: appearance:none se la come */
.campo select {
  background-image:
    linear-gradient(45deg, transparent 50%, color-mix(in srgb, var(--papel) 70%, transparent) 50%),
    linear-gradient(135deg, color-mix(in srgb, var(--papel) 70%, transparent) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 1px), calc(100% - 14px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}

/* Los límites también se usan sobre fondo claro (la sección de inbound) */
.limites--claro li {
  border-bottom-color: var(--borde);
  color: color-mix(in srgb, var(--tinta) 78%, var(--bruma));
}
.limites--claro strong { color: var(--tinta); }