/* Puño y Letra — mundo "tejido de tocapus": nogal, lana sin teñir y tintes naturales. */
:root {
  /* Paleta "café con leche": fondo crema, tinta café, botón café con leche. */
  --nogal: #f4ebdd;          /* fondo */
  --nogal-2: #eadfcc;        /* superficie hundida */
  --nogal-3: #dccbb1;        /* líneas */
  --lana: #3b2a1e;           /* texto principal */
  --lana-hoja: #fbf6ee;      /* hoja del documento */
  --lana-tenue: #6e5a48;     /* texto secundario */
  --cochinilla: #8b5a34;     /* botón y acento café */
  --cochinilla-clara: #edc2ae; /* resaltado: muy probable IA */
  --qolle: #8b5a34;          /* cifras y detalles en café */
  --qolle-clara: #f1dfaf;    /* resaltado: posible IA */
  --alto: #b5654a;           /* estado sólido: muy probable IA */
  --posible: #d6a75a;        /* estado sólido: posible IA */
  --humano: #cdbba0;         /* estado sólido: sin señales */
  --modulo: 8px;
  --trama: repeating-linear-gradient(90deg, rgb(59 42 30 / .035) 0 1px, transparent 1px 4px),
           repeating-linear-gradient(0deg, rgb(59 42 30 / .025) 0 1px, transparent 1px 4px);
  --diagonal: repeating-linear-gradient(135deg, rgb(110 50 20 / .14) 0 2px, transparent 2px 7px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--trama), var(--nogal);
  color: var(--lana);
  font: 400 18px/1.6 "Albert Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--qolle-clara); color: var(--lana); }
:focus-visible { outline: 2px solid var(--qolle); outline-offset: 3px; border-radius: 4px; }
html { scrollbar-color: var(--nogal-3) var(--nogal); }
a { color: inherit; text-underline-offset: .2em; }
strong { font-weight: 700; color: var(--lana); }
h1, h2, h3 { font-family: "Unbounded", system-ui, sans-serif; text-wrap: balance; margin: 0; }

/* ---------- navegación ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: calc(var(--modulo) * 4);
  padding: calc(var(--modulo) * 2) clamp(16px, 4vw, 56px);
  background: color-mix(in srgb, var(--nogal) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--nogal-3);
}
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 700 19px "Unbounded", sans-serif; letter-spacing: -0.02em; }
.marca i { font-style: normal; color: var(--qolle); }
.nav nav { display: flex; gap: calc(var(--modulo) * 3); margin-left: auto; font-size: 15px; }
.nav nav a { text-decoration: none; color: var(--lana-tenue); transition: color .2s; }
.nav nav a:hover { color: var(--lana); }
.enlace-app { font-size: 15px; font-weight: 600; text-decoration: none; padding: 9px 16px; border-radius: 999px; box-shadow: inset 0 0 0 1.5px var(--nogal-3); transition: box-shadow .2s; }
.enlace-app:hover { box-shadow: inset 0 0 0 1.5px var(--lana-tenue); }

/* ---------- botones ---------- */
.boton {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 26px; border-radius: 12px;
  background: var(--trama), var(--cochinilla);
  color: #fbf6ee; font: 700 17px "Albert Sans", sans-serif; text-decoration: none; cursor: pointer;
  box-shadow: 0 10px 24px -10px rgb(139 90 52 / .45);
  transition: transform .2s cubic-bezier(.2, .8, .2, 1), box-shadow .2s;
}
.boton:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgb(139 90 52 / .55); }
.boton:active { transform: translateY(0); }
.boton-hilo { background: transparent; box-shadow: inset 0 0 0 1.5px var(--lana-tenue); color: var(--lana); }
.boton-hilo:hover { box-shadow: inset 0 0 0 1.5px var(--lana); transform: translateY(-2px); }
.boton-ancho { width: 100%; justify-content: center; }

/* ---------- hero ---------- */
.hero {
  max-width: 1280px; margin: 0 auto;
  padding: clamp(48px, 8vw, 104px) clamp(16px, 4vw, 56px) clamp(56px, 8vw, 112px);
  display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center;
}
.hero h1 { font-size: clamp(2.6rem, 6.2vw, 5.6rem); font-weight: 800; line-height: 1.02; letter-spacing: -0.035em; margin-bottom: calc(var(--modulo) * 3); }
.subrayado {
  background: linear-gradient(var(--posible), var(--posible)) no-repeat 0 92% / 100% .2em;
  padding-bottom: .04em;
}
.bajada { font-size: clamp(18px, 1.6vw, 21px); color: var(--lana-tenue); max-width: 52ch; margin: 0 0 calc(var(--modulo) * 4); }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; }
.nota-pago { margin: calc(var(--modulo) * 2) 0 0; font-size: 14px; color: var(--lana-tenue); }

/* el telar: hoja de ejemplo + franja de tejido + cifra */
.telar { margin: 0; }
.telar-cabeza { display: flex; align-items: flex-end; gap: 14px; margin-bottom: calc(var(--modulo) * 2); }
.telar-cifra { font: 800 clamp(3.4rem, 6vw, 5rem)/.9 "Unbounded", sans-serif; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; color: var(--qolle); }
.telar-cifra small { font-size: .45em; margin-left: 2px; }
.telar-leyenda { font-size: 14px; line-height: 1.35; color: var(--lana-tenue); padding-bottom: 6px; }
.telar-cuerpo { display: grid; grid-template-columns: 1fr 28px; gap: 12px; }
.hoja {
  background: var(--trama), var(--lana-hoja);
  color: #2b1f17; border-radius: 6px;
  padding: clamp(20px, 3vw, 34px);
  font: 400 clamp(15px, 1.25vw, 17px)/1.85 "Literata", Georgia, serif;
  box-shadow: 0 30px 60px -28px rgb(59 42 30 / .22), 0 2px 0 rgb(255 255 255 / .06) inset;
}
.hoja p { margin: 0; }
.hoja .o {
  border-radius: 3px; padding: .08em .1em; margin: 0 -.1em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
  background-repeat: no-repeat; background-position: left center; background-size: 0% 100%;
  transition: background-size .9s cubic-bezier(.2, .8, .2, 1);
}
.hoja .o[data-n="a"] { background-image: var(--diagonal), linear-gradient(var(--cochinilla-clara), var(--cochinilla-clara)); }
.hoja .o[data-n="m"] { background-image: linear-gradient(var(--qolle-clara), var(--qolle-clara)); }
.hoja .o.tenido { background-size: 100% 100%; }
.franja { display: grid; grid-auto-rows: 1fr; gap: 4px; }
.franja i {
  border-radius: 3px; background: var(--nogal-2); box-shadow: inset 0 0 0 1px var(--nogal-3);
  transition: background-color .6s, transform .6s cubic-bezier(.2, .8, .2, 1);
  transform: scaleX(.4); transform-origin: left;
}
.franja i.tenido { transform: scaleX(1); background-image: var(--trama); }
.franja i.tenido[data-n="h"] { background-color: var(--humano); }
.franja i.tenido[data-n="m"] { background-color: var(--posible); }
.franja i.tenido[data-n="a"] { background-color: var(--alto); background-image: var(--diagonal), var(--trama); }
.telar figcaption { margin-top: 12px; font-size: 13px; color: var(--lana-tenue); }

/* ---------- bloques ---------- */
.bloque { max-width: 1280px; margin: 0 auto; padding: clamp(64px, 9vw, 128px) clamp(16px, 4vw, 56px) 0; }
.bloque h2 { font-size: clamp(2rem, 4.2vw, 3.5rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; max-width: 18ch; margin-bottom: calc(var(--modulo) * 6); }

.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.pasos li { padding: calc(var(--modulo) * 4) clamp(16px, 2.5vw, 36px) 0 0; border-top: 6px solid transparent; border-image: repeating-linear-gradient(90deg, var(--posible) 0 14px, transparent 14px 18px, var(--alto) 18px 32px, transparent 32px 36px, var(--humano) 36px 50px, transparent 50px 54px) 6; }
.pasos li + li { padding-left: clamp(16px, 2.5vw, 36px); }
.icono { width: 44px; height: 44px; fill: none; stroke: var(--lana); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: calc(var(--modulo) * 2); }
.pasos h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.pasos p { margin: 0; color: var(--lana-tenue); }

/* privacidad: campo café a todo lo ancho */
.privado {
  max-width: none; margin-top: clamp(64px, 9vw, 128px);
  padding: clamp(56px, 8vw, 112px) max(clamp(16px, 4vw, 56px), calc((100vw - 1280px) / 2 + 56px));
  background: var(--trama), var(--lana); color: var(--lana-hoja);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center;
}
.privado h2 { color: var(--lana-hoja); margin-bottom: calc(var(--modulo) * 3); }
.privado p { font-size: 19px; max-width: 56ch; margin: 0 0 16px; color: #dccbb1; }
.privado strong { color: var(--lana-hoja); }
.prueba { background: var(--trama), var(--lana-hoja); color: var(--lana); border-radius: 14px; padding: calc(var(--modulo) * 4); box-shadow: 0 24px 50px -24px rgb(0 0 0 / .45); }
.prueba-titulo { font: 700 18px "Unbounded", sans-serif; margin: 0 0 16px; color: var(--lana); }
.prueba ol { margin: 0; padding-left: 22px; display: grid; gap: 10px; color: var(--lana-tenue); }
.prueba li::marker { color: var(--cochinilla); font-weight: 700; }

.lista { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--modulo) * 4) clamp(24px, 5vw, 80px); margin: 0; }
.lista div { padding-left: 34px; position: relative; }
.lista div::before { content: ""; position: absolute; left: 0; top: 7px; width: 18px; height: 18px; border-radius: 3px; background: var(--trama), var(--humano); }
.lista div:nth-child(3n + 1)::before { background: var(--diagonal), var(--trama), var(--alto); }
.lista div:nth-child(3n + 2)::before { background: var(--trama), var(--posible); }
.lista dt { font: 700 19px "Unbounded", sans-serif; letter-spacing: -0.015em; margin-bottom: 4px; }
.lista dd { margin: 0; color: var(--lana-tenue); }

.precio { display: grid; place-items: center; }
.precio-tarjeta {
  width: min(100%, 480px); text-align: center;
  background: var(--trama), var(--lana-hoja); border-radius: 18px;
  padding: calc(var(--modulo) * 6) calc(var(--modulo) * 5);
  border: 10px solid transparent;
  border-image: repeating-linear-gradient(90deg, var(--alto) 0 10px, var(--lana-hoja) 10px 12px, var(--posible) 12px 22px, var(--lana-hoja) 22px 24px, var(--humano) 24px 34px, var(--lana-hoja) 34px 36px) 10;
}
.precio-tarjeta h2 { margin: 0 auto 8px; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.monto { font: 800 clamp(4rem, 9vw, 6rem)/1 "Unbounded", sans-serif; letter-spacing: -0.04em; color: var(--qolle); margin: 0 0 calc(var(--modulo) * 3); }
.precio-tarjeta ul { list-style: none; padding: 0; margin: 0 0 calc(var(--modulo) * 4); display: grid; gap: 10px; color: var(--lana-tenue); }
.letra-chica { font-size: 13px; color: var(--lana-tenue); margin: calc(var(--modulo) * 2) 0 0; }

.faq { display: grid; gap: 2px; max-width: 860px; }
.faq details { border-bottom: 1px solid var(--nogal-3); padding: calc(var(--modulo) * 2.5) 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; font: 600 19px "Albert Sans", sans-serif; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 14px; height: 14px; margin-top: 6px; background: linear-gradient(var(--qolle), var(--qolle)) center / 100% 2px no-repeat, linear-gradient(var(--qolle), var(--qolle)) center / 2px 100% no-repeat; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 12px 0 0; color: var(--lana-tenue); max-width: 70ch; }

.pie { max-width: 1280px; margin: clamp(80px, 10vw, 140px) auto 0; padding: calc(var(--modulo) * 4) clamp(16px, 4vw, 56px); border-top: 1px solid var(--nogal-3); display: flex; justify-content: space-between; gap: 16px; font-size: 14px; color: var(--lana-tenue); }
.marca-pie { display: flex; align-items: center; gap: 10px; }

/* botón flotante de WhatsApp (verde de WhatsApp, reconocible al instante) */
.whatsapp-flotante {
  position: fixed; right: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px); z-index: 20;
  display: flex; align-items: center; gap: 10px; padding: 12px 18px 12px 14px; border-radius: 999px;
  background: #25d366; color: #0b3d1e; font: 700 15px "Albert Sans", sans-serif; text-decoration: none;
  box-shadow: 0 12px 28px -10px rgb(20 80 40 / .55);
  transition: transform .2s cubic-bezier(.2, .8, .2, 1), box-shadow .2s;
}
.whatsapp-flotante:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -10px rgb(20 80 40 / .6); }
.whatsapp-flotante svg { width: 26px; height: 26px; fill: #0b3d1e; }

@media (max-width: 920px) {
  .nav nav { display: none; }
  .enlace-app { margin-left: auto; }
  .hero, .privado { grid-template-columns: 1fr; }
  .pasos { grid-template-columns: 1fr; gap: calc(var(--modulo) * 5); }
  .pasos li + li { padding-left: 0; }
  .lista { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .whatsapp-flotante { padding: 14px; }
  .whatsapp-flotante span { display: none; }
  .marca span { display: none; }
  .boton { width: 100%; justify-content: center; }
  .telar-cuerpo { grid-template-columns: 1fr 18px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}