/* ============================================================
   FRAGTAL — sitio público
   Estático puro. Sin frameworks, sin fuentes remotas, sin JS.
   Las fuentes son las del sistema: en iPhone y Mac esto es
   SF Pro, la misma tipografía de Apple Music. Nada viaja a un
   tercero solo por abrir la página.
   ============================================================ */

:root {
  color-scheme: light dark;

  --bg:        #ffffff;
  --bg-elev:   #fafafa;
  --text:      #0b0b0c;
  --text-2:    #5b5b61;
  --text-3:    #71717a;
  --line:      rgba(0, 0, 0, 0.10);
  --line-soft: rgba(0, 0, 0, 0.055);
  --accent:    #ff3a1a;
  --glass:     rgba(255, 255, 255, 0.72);
  --shadow:    0 1px 2px rgba(0,0,0,.04), 0 14px 44px rgba(0,0,0,.07);

  --measure: 34rem;
  --radius:  20px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
          "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #000000;
    --bg-elev:   #0e0e10;
    --text:      #f5f5f7;
    --text-2:    #a1a1a6;
    --text-3:    #8a8a8f;
    --line:      rgba(255, 255, 255, 0.14);
    --line-soft: rgba(255, 255, 255, 0.075);
    --glass:     rgba(10, 10, 12, 0.66);
    --shadow:    0 1px 2px rgba(0,0,0,.5), 0 18px 50px rgba(0,0,0,.55);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

.prose a,
a.link {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--text) 28%, transparent);
  transition: text-decoration-color .18s ease, color .18s ease;
}

.prose a:hover,
a.link:hover { color: var(--accent); text-decoration-color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap--narrow { max-width: 46rem; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bg);
  padding: .75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Cabecera de vidrio ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid var(--line-soft);
}

.site-head__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 3.5rem;
}

.wordmark {
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-right: auto;
  display: inline-flex;
  align-items: baseline;
  gap: .18em;
  white-space: nowrap;
}

.wordmark::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin-left: .1em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: .875rem;
  color: var(--text-2);
}

.site-nav a { transition: color .18s ease; }
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current="page"] { color: var(--text); }

.lang {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .6rem;
  line-height: 1;
  transition: border-color .18s ease, color .18s ease;
}
.lang:hover { color: var(--text); border-color: var(--text-3); }

/* ---------- Hero ---------- */

.hero { padding: clamp(4rem, 12vw, 8.5rem) 0 clamp(2.5rem, 6vw, 4rem); }

.eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.4rem, 6.4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.038em;
  font-weight: 600;
  margin: 0 0 1.25rem;
  max-width: 16ch;
  text-wrap: balance;
}

.lede {
  font-size: clamp(1.0625rem, 2.1vw, 1.3125rem);
  line-height: 1.55;
  color: var(--text-2);
  max-width: 38ch;
  margin: 0 0 2.5rem;
  text-wrap: pretty;
}

/* ---------- Botones de tienda ---------- */

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: .7rem 1.1rem;
  background: var(--bg-elev);
  color: var(--text-3);
  cursor: default;
  min-width: 12.5rem;
}

.store__glyph { width: 22px; height: 22px; flex: none; fill: currentColor; opacity: .75; }
.store__text { display: flex; flex-direction: column; line-height: 1.2; }
.store__top { font-size: .6875rem; letter-spacing: .04em; text-transform: uppercase; }
.store__name { font-size: .9375rem; font-weight: 600; color: var(--text-2); letter-spacing: -.01em; }

/* ---------- Capturas ---------- */

.shots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: clamp(1rem, 4vw, 2.5rem) 0 clamp(4rem, 10vw, 7rem);
  max-width: 58rem;
}

.shot {
  position: relative;
  aspect-ratio: 9 / 19.5;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Marcador visible mientras no exista el PNG. Lo tapa el ::after
   en cuanto el archivo está en assets/shots/. */
.shot__ph {
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--text-3);
  text-align: center;
  padding: 1rem;
  line-height: 1.5;
}

.shot__ph b { display: block; font-weight: 600; color: var(--text-2); margin-bottom: .25rem; }

/* La captura se pinta aquí: basta dejar el archivo en su sitio,
   no hay que tocar el HTML. Si falta, este overlay es transparente. */
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.shot--1::after { background-image: url("shots/01.png"); }
.shot--2::after { background-image: url("shots/02.png"); }
.shot--3::after { background-image: url("shots/03.png"); }
.shot--4::after { background-image: url("shots/04.png"); }

/* En dos columnas los marcos se disparan de tamaño y se comen la página:
   se les pone techo y se centra la rejilla. */
@media (max-width: 900px) {
  .shots {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.125rem;
    max-width: 30rem;
    margin: 0 auto;
  }
}

@media (max-width: 460px) {
  .shots { gap: .875rem; }
  .shot { border-radius: 22px; }
}

/* ---------- Secciones ---------- */

.rule { height: 1px; background: var(--line-soft); border: 0; margin: 0; }

.section { padding: clamp(3.5rem, 9vw, 6rem) 0; }

h2.section__title {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  letter-spacing: -.028em;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 2.5rem;
  max-width: 22ch;
  text-wrap: balance;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem 3rem;
}

.feature h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -.015em;
  margin: 0 0 .5rem;
}

.feature p { margin: 0; color: var(--text-2); font-size: .9688rem; }

.feature__num {
  font-family: var(--mono);
  font-size: .6875rem;
  color: var(--accent);
  display: block;
  margin-bottom: .9rem;
  letter-spacing: .08em;
}

@media (max-width: 700px) {
  .features { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Franja de privacidad ---------- */

.stripe { padding: clamp(3.5rem, 9vw, 6rem) 0; background: var(--bg-elev); }

.stripe__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stripe__item strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.015em;
  margin-bottom: .35rem;
}

.stripe__item span { color: var(--text-2); font-size: .9375rem; }

@media (max-width: 700px) {
  .stripe__grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---------- Páginas legales ---------- */

.legal { padding: clamp(3rem, 8vw, 5rem) 0 clamp(4rem, 10vw, 7rem); }

.legal__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1020px) {
  .legal__layout {
    grid-template-columns: 13rem minmax(0, var(--measure));
    gap: 4.5rem;
    /* Sin esto el bloque índice+texto se queda pegado a la izquierda del
       contenedor y la página se lee descuadrada en pantallas anchas. */
    justify-content: center;
  }
  .legal .wrap { max-width: 62rem; }
}

.toc { display: none; }

@media (min-width: 1020px) {
  .toc {
    display: block;
    position: sticky;
    top: 6rem;
    align-self: start;
    font-size: .8125rem;
    line-height: 1.5;
    max-height: calc(100vh - 9rem);
    overflow-y: auto;
  }
  .toc h2 {
    font-size: .6875rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin: 0 0 .9rem;
    font-weight: 600;
  }
  .toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
  .toc li { margin-bottom: .5rem; }
  .toc a { color: var(--text-2); transition: color .18s ease; }
  .toc a:hover { color: var(--accent); }
}

.legal__head { margin-bottom: 3rem; }

.legal h1 {
  font-size: clamp(2rem, 5vw, 2.9rem);
  margin-bottom: .75rem;
  max-width: 20ch;
}

.stamp {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--text-3);
  letter-spacing: .02em;
}

.prose { max-width: var(--measure); }

.prose h2 {
  font-size: 1.3125rem;
  font-weight: 600;
  letter-spacing: -.022em;
  line-height: 1.25;
  margin: 3.25rem 0 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 5.5rem;
}

.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.012em;
  margin: 2rem 0 .5rem;
}

.prose p, .prose li { color: var(--text-2); }
.prose p { margin: 0 0 1.1rem; }
.prose strong { color: var(--text); font-weight: 600; }

.prose ul { margin: 0 0 1.35rem; padding-left: 1.1rem; }
.prose li { margin-bottom: .55rem; }
.prose li::marker { color: var(--text-3); }

.prose ul ul { margin: .5rem 0 .25rem; }

.callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 4px 14px 14px 4px;
  padding: 1.2rem 1.35rem;
  margin: 0 0 1.5rem;
  background: var(--bg-elev);
}

.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--text); }

.summary {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 2.5rem;
}

.summary__row {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1rem;
  padding: .95rem 1.25rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: .9375rem;
}

.summary__row:last-child { border-bottom: 0; }
.summary__row dt { font-weight: 600; color: var(--text); margin: 0; }
.summary__row dd { margin: 0; color: var(--text-2); }

@media (max-width: 560px) {
  .summary__row { grid-template-columns: 1fr; gap: .2rem; }
}

.mono { font-family: var(--mono); font-size: .875em; }

/* ---------- Pie ---------- */

.site-foot {
  border-top: 1px solid var(--line-soft);
  padding: 3rem 0 4rem;
  font-size: .875rem;
  color: var(--text-2);
}

.site-foot__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: flex-start;
  justify-content: space-between;
}

.site-foot h2 {
  font-size: .6875rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 .6rem;
  font-weight: 600;
}

.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: .4rem; }
.site-foot a:hover { color: var(--text); }

.site-foot__legal {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  color: var(--text-3);
  font-size: .8125rem;
  max-width: 46ch;
}

.contact-mail {
  font-weight: 600;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: .25em;
}

/* ---------- Cabecera en pantallas estrechas ----------
   A 375 px los cuatro elementos del encabezado no caben y la píldora de
   idioma se sale por la derecha. Se aprieta todo en vez de esconder nada:
   los enlaces legales tienen que verse en las tres páginas. */

@media (max-width: 620px) {
  .wrap { padding: 0 1.15rem; }

  .site-head__inner { gap: .85rem; min-height: 3.25rem; }

  .wordmark { font-size: .75rem; letter-spacing: .15em; }
  .wordmark::after { width: 3px; height: 3px; }

  .site-nav { gap: .85rem; font-size: .8125rem; }

  .lang { font-size: .6875rem; padding: .28rem .5rem; }
}

@media (max-width: 380px) {
  .site-nav { gap: .7rem; font-size: .75rem; }
  .wordmark { font-size: .6875rem; letter-spacing: .12em; }
}