/* Susurro. Lo dicho es luz; lo escrito es tinta. Decisiones en DESIGN.md. */

@font-face {
  font-family: "Bricolage";
  src: url("fonts/bricolage.woff2") format("woff2");
  font-weight: 200 800;
  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;
}

:root {
  --ground: #0F0F11;
  --ground-2: #18181B;
  --ink: #F3F1F5;
  --muted: #A6A3AD;
  --line: rgb(243 241 245 / 0.12);
  --paper: #FFFFFF;
  --paper-ink: #141317;
  --paper-muted: #5F5C66;
  --paper-line: #E9E7EC;
  --accent: #FF3D99;

  /* La luz de la píldora (RGB sin comas para poder darle alfa). */
  --l1: 255 120 102;
  --l2: 255 61 153;
  --l3: 199 77 242;
  --l4: 128 107 255;
  --core: 255 219 237;

  --f-display: "Bricolage", ui-sans-serif, system-ui, sans-serif;
  --f-text: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --t-mega: clamp(4.5rem, 1rem + 14vw, 15rem);
  --t-xxl: clamp(3.25rem, 1rem + 8.6vw, 9.5rem);
  --t-xl: clamp(2.4rem, 1.2rem + 4.4vw, 5.5rem);
  --t-l: clamp(1.6rem, 1.2rem + 1.7vw, 2.75rem);
  --t-m: clamp(1.2rem, 1.05rem + 0.55vw, 1.6rem);
  --t-body: clamp(1.0625rem, 1rem + 0.2vw, 1.1875rem);
  --t-s: 0.9375rem;
  --t-xs: 0.8125rem;

  --u: clamp(0.5rem, 0.35rem + 0.6vw, 1rem);
  --gutter: clamp(1.25rem, 0.6rem + 2vw, 3rem);
  --max: 1560px;
  --win-r: 14px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.215, 0.61, 0.355, 1);
  --rim: linear-gradient(90deg, rgb(var(--l1) / 0), rgb(var(--l1)) 14%, rgb(var(--l2)) 34%, rgb(var(--core)) 50%, rgb(var(--l3)) 66%, rgb(var(--l4)) 86%, rgb(var(--l4) / 0));
}

/* Modo comando: la misma luz, en ámbar. */
.cmd {
  --l1: 255 199 64;
  --l2: 255 158 28;
  --l3: 255 102 51;
  --l4: 255 77 128;
  --core: 255 237 204;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  background: var(--ground);
  color: var(--ink);
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-padding-top: 5rem;
  interpolate-size: allow-keywords;
}
body {
  min-height: 100dvh;
  font-family: var(--f-text);
  font-size: var(--t-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: inherit; font-size: inherit; text-wrap: balance; }
p { text-wrap: pretty; }
ol, ul { padding: 0; list-style: none; }
::selection { background: rgb(var(--l2)); color: var(--ground); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
#contenido:focus { outline: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; left: var(--gutter); top: 0.75rem; z-index: 100;
  padding: 0.6em 1.1em; border-radius: 999px; background: var(--ink); color: var(--ground); font-weight: 600;
  translate: 0 -200%;
}
.skip:focus-visible { translate: 0 0; }

kbd {
  display: inline-block;
  min-width: 1.7em;
  padding: 0.02em 0.4em 0.06em;
  border: 1px solid currentColor;
  border-radius: 0.38em;
  font: 600 0.82em/1.3 var(--f-text);
  text-align: center;
  vertical-align: 0.08em;
  opacity: 0.92;
}
code {
  font: 0.9em ui-monospace, "SF Mono", Menlo, monospace;
  padding: 0.08em 0.3em;
  border-radius: 0.3em;
  background: rgb(127 127 140 / 0.14);
}

/* ---------- Tipografía de concepto ---------- */

.display, .hero-title, h2 { font-family: var(--f-display); }

/* Lo dicho: peso ligero, color de luz. */
.said {
  font-weight: 300;
  color: rgb(var(--l2));
  background: linear-gradient(100deg, rgb(var(--l1)) 5%, rgb(var(--l2)) 38%, rgb(var(--l3)) 70%, rgb(var(--l4)) 98%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 0.18em rgb(var(--l2) / 0.32));
}
.ink { color: var(--ink); font-weight: 700; }
.hero-said, .final-word, .step-w.said, .lost-said { width: fit-content; padding-right: 0.12em; }

.sec-lede { color: var(--muted); max-width: 36rem; }

/* ---------- La luz (píldora, borde de la pantalla, botones) ---------- */

.glow { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.glow i {
  position: absolute;
  left: 0;
  bottom: -50px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgb(var(--c) / 0.95), rgb(var(--c) / 0.45) 45%, rgb(var(--c) / 0));
  opacity: 0;
  will-change: transform, opacity;
}
.glow i:nth-child(1) { --c: var(--l1); }
.glow i:nth-child(2) { --c: var(--l2); }
.glow i:nth-child(3) { --c: var(--l3); }
.glow i:nth-child(4) { --c: var(--l4); }
.glow i:nth-child(5) { --c: var(--core); }
.glow b {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--rim);
  opacity: 0.35;
}

/* El borde inferior de la pantalla: detrás del contenido, delante del fondo. */
.edge { position: fixed; top: auto; height: 62vh; z-index: 0; }
.edge b { height: 1.5px; }

/* ---------- La píldora ---------- */

.pill {
  position: fixed;
  left: 50%;
  bottom: calc(1.1rem + env(safe-area-inset-bottom));
  z-index: 60;
  translate: -50% 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  width: auto;
  min-width: 116px;
  max-width: min(440px, calc(100vw - 2rem));
  padding: 0 18px;
  overflow: hidden;
  isolation: isolate;
  border-radius: 999px;
  background: rgb(15 15 17 / 0.95);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.16), 0 10px 30px rgb(0 0 0 / 0.55);
  color: #fff;
  font: 600 13px/1 var(--f-text);
  letter-spacing: 0.01em;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  transition: width 0.42s var(--ease-out), min-width 0.42s var(--ease-out), height 0.42s var(--ease-out), padding 0.42s var(--ease-out), translate 0.5s var(--ease-out), box-shadow 0.3s;
}
.pill-glow { z-index: -1; border-radius: inherit; }
.pill-glow b { height: 2px; }
.pill-text {
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-shadow: 0 1px 6px rgb(0 0 0 / 0.5);
  transition: opacity 0.25s;
}
.pill.is-mini { width: 46px; min-width: 46px; height: 10px; padding: 0; overflow: visible; }
.pill::before { content: ""; position: absolute; inset: -12px -14px; }
.pill.is-mini .pill-text { opacity: 0; }
.pill.is-on { box-shadow: 0 0 0 1px rgb(255 255 255 / 0.22), 0 10px 40px rgb(var(--l2) / 0.25); }
@media (hover: hover) {
  .pill:hover { box-shadow: 0 0 0 1px rgb(255 255 255 / 0.32), 0 10px 30px rgb(0 0 0 / 0.55); }
}
@media (hover: hover) {
  .pill.is-mini:hover { width: auto; min-width: 116px; height: 36px; padding: 0 18px; }
  .pill.is-mini:hover .pill-text { opacity: 1; }
}

/* ---------- Botones: la luz sube desde el borde inferior ---------- */

.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  border-radius: 999px;
  background: var(--ink);
  color: var(--ground);
  font-weight: 650;
  white-space: nowrap;
  transition: scale 0.2s var(--ease-soft);
}
.btn-sm { padding: 0.55em 1.15em; font-size: var(--t-s); }
.btn-lg { padding: 0.95em 1.6em; font-size: 1.0625rem; }
.btn-label, .i-dl { position: relative; }
.i-dl { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: translate 0.45s var(--ease-out); }
.btn-glow {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(38% 120% at 12% 100%, rgb(var(--l1) / 0.95), rgb(var(--l1) / 0) 70%),
    radial-gradient(34% 130% at 38% 100%, rgb(var(--l2) / 0.95), rgb(var(--l2) / 0) 70%),
    radial-gradient(34% 130% at 64% 100%, rgb(var(--l3) / 0.9), rgb(var(--l3) / 0) 70%),
    radial-gradient(38% 120% at 90% 100%, rgb(var(--l4) / 0.95), rgb(var(--l4) / 0) 70%),
    radial-gradient(30% 80% at 50% 100%, rgb(var(--core)), rgb(var(--core) / 0) 70%);
  translate: 0 85%;
  opacity: 0;
  transition: translate 0.6s var(--ease-out), opacity 0.45s var(--ease-soft);
}
.btn:focus-visible .btn-glow { translate: 0 18%; opacity: 1; }
.btn:focus-visible .i-dl { translate: 0 2px; }
.btn:active { scale: 0.97; }
.btn:active .btn-glow { translate: 0 0; opacity: 1; }
@media (hover: hover) {
  .btn:hover .btn-glow { translate: 0 18%; opacity: 1; }
  .btn:hover .i-dl { translate: 0 2px; }
}

/* ---------- Encabezado ---------- */

.top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem var(--gutter);
  background: linear-gradient(var(--ground) 35%, rgb(15 15 17 / 0));
  transition: translate 0.6s var(--ease-out);
}
html.scrolled .top { background: rgb(15 15 17 / 0.82); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
html.frame-away .top { translate: 0 -110%; }
html.frame-away .top:focus-within { translate: 0 0; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font: 700 1.3rem/1 var(--f-display); letter-spacing: -0.02em; }
.brand .mark { border-radius: 8px; transition: rotate 0.5s var(--ease-out); }
@media (hover: hover) { .brand:hover .mark { rotate: -14deg; scale: 1.08; } }
.brand:focus-visible .mark { rotate: -14deg; scale: 1.08; }
.brand .mark { transition: rotate 0.5s var(--ease-out), scale 0.5s var(--ease-out); }
.nav { display: flex; gap: 1.75rem; margin-left: auto; font-size: var(--t-s); }
.nav-a {
  padding: 0.35em 0.15em;
  color: var(--muted);
  background: var(--rim) center bottom / 0% 1.5px no-repeat;
  transition: background-size 0.45s var(--ease-out), color 0.3s;
}
.nav-a:focus-visible, .nav-a[aria-current="true"] { background-size: 100% 1.5px; color: var(--ink); }
.nav-a:focus-visible { outline-offset: 5px; }
@media (hover: hover) { .nav-a:hover { background-size: 100% 1.5px; color: var(--ink); } }
.menu-btn { display: none; }

/* ---------- Composición ---------- */

main { position: relative; z-index: 1; }
main > section, .footer {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Hero: la pantalla. */
.hero {
  min-height: max(100svh, 720px);
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 7rem;
  row-gap: 3rem;
}
.hero-copy { grid-column: 1 / 8; }
.hero-title { display: block; margin-bottom: calc(var(--u) * 2.5); }
.hero-said {
  display: block;
  font-size: var(--t-mega);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin-left: -0.055em;
  padding-bottom: 0.06em;
}
.hero-ink {
  display: block;
  max-width: 11ch;
  font-size: var(--t-xl);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.lede { max-width: 31rem; color: var(--muted); font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.3rem); }
.lede kbd { color: var(--ink); }
.nw { white-space: nowrap; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: calc(var(--u) * 3); }
.cta-meta { color: var(--muted); font-size: var(--t-s); }

/* Ventanas: ahí vive la tinta. */
.window {
  position: relative;
  border-radius: var(--win-r);
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.08), 0 40px 90px rgb(0 0 0 / 0.55);
}
.hero-window { grid-column: 8 / 13; align-self: center; }
.win-bar {
  position: relative;
  display: flex;
  gap: 0.25rem;
  padding: 0.55rem;
  border-bottom: 1px solid var(--paper-line);
  overflow-x: auto;
  scrollbar-width: none;
}
.app-tab {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem 0.4rem 0.45rem;
  border-radius: 999px;
  color: var(--paper-ink);
  font-size: var(--t-s);
  font-weight: 550;
  white-space: nowrap;
  transition: color 0.35s var(--ease-soft);
}
.app-tab img { width: 24px; height: 24px; border-radius: 6px; transition: scale 0.35s var(--ease-out); }
.app-tab[aria-pressed="true"] { color: #fff; }
@media (hover: hover) {
  .app-tab:hover img { scale: 1.12; }
  .app-tab[aria-pressed="false"]:hover { background: #F0EEF3; }
}
.app-tab[aria-pressed="false"]:focus-visible { background: #F0EEF3; }
@media (hover: hover) { .win-bar:has(.app-tab[aria-pressed="true"]:hover) .tab-mark { background: #2A2830; box-shadow: 0 0 0 3px rgb(var(--l2) / 0.25); } }
.tab-mark {
  position: absolute; left: 0; top: 0.55rem; height: calc(100% - 1.1rem); width: 0;
  border-radius: 999px; background: var(--paper-ink);
  transition: translate 0.5s var(--ease-out), width 0.5s var(--ease-out);
}
html:not(.js) .app-tab[aria-pressed="true"] { background: var(--paper-ink); }
.win-head {
  display: flex; align-items: center; gap: 0.5rem;
  margin: 0 1.25rem; padding: 0.85rem 0;
  border-bottom: 1px solid var(--paper-line);
  color: var(--paper-ink); font-size: var(--t-s); font-weight: 550;
}
.win-head span { color: var(--paper-muted); font-weight: 400; }
.win-head img { border-radius: 5px; }
.win-body { min-height: 10.5em; padding: 1.1rem 1.25rem 1.25rem; font-size: 1.0625rem; line-height: 1.55; }
.win-body p + p { margin-top: 0.7em; }
.win-cap {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1.25rem; border-top: 1px solid var(--paper-line);
  color: var(--paper-muted); font-size: var(--t-xs);
}
.cap-dot { flex: none; width: 22px; height: 8px; border-radius: 999px; background: var(--rim), #0F0F11; box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.1); }
.cap-dot.cmd { background: linear-gradient(90deg, rgb(255 199 64), rgb(255 158 28), rgb(255 77 128)); }
.fine-only { display: none; }
@media (hover: hover) and (pointer: fine) { .fine-only { display: inline; } }

/* Texto recién escrito: llega como luz y se asienta como tinta. */
.fresh { animation: settle 1.1s var(--ease-out) both; }
@keyframes settle {
  from { color: rgb(var(--l2)); opacity: 0.35; }
  to { color: inherit; opacity: 1; }
}
.caret { display: inline-block; width: 2px; height: 1.1em; margin-left: 2px; vertical-align: -0.15em; background: rgb(var(--l2)); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

/* Cómo funciona: tres verbos. */
.how { padding-block: calc(var(--u) * 9) calc(var(--u) * 7); }
.sec-label { grid-column: 1 / -1; margin-bottom: calc(var(--u) * 3); color: var(--muted); font: 500 var(--t-s)/1.4 var(--f-text); }
.steps { grid-column: 1 / -1; }
.step {
  display: grid;
  grid-template-columns: subgrid;
  grid-column: 1 / -1;
  align-items: end;
  padding-block: calc(var(--u) * 2.5);
  border-top: 1px solid var(--line);
}
.steps { display: grid; grid-template-columns: subgrid; }
.step-n { grid-column: 1; align-self: start; padding-top: 1.2em; color: var(--muted); font: 500 var(--t-s)/1 var(--f-text); font-variant-numeric: tabular-nums; }
.step-word {
  grid-column: 2 / 9;
  display: flex; align-items: center; gap: 0.25em;
  font-family: var(--f-display);
  font-size: var(--t-xxl);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-left: -0.05em;
}
.step-w { transition: opacity 0.9s var(--ease-out), color 1.2s var(--ease-out); }
.step p { grid-column: 9 / 13; max-width: 24rem; padding-bottom: 0.6em; color: var(--muted); }
.cap {
  font: 650 0.36em/1 var(--f-text);
  min-width: 2.1em;
  padding: 0.5em 0.6em 0.62em;
  border: 2px solid rgb(243 241 245 / 0.5);
  border-radius: 0.35em;
  box-shadow: 0 0.16em 0 rgb(243 241 245 / 0.35);
  letter-spacing: 0;
  opacity: 1;
  transition: translate 0.25s var(--ease-soft), box-shadow 0.25s var(--ease-soft), background 0.4s;
}
.motion .step:not(.is-on) .step-w { opacity: 0.2; }
.step.is-on .cap { translate: 0 0.12em; box-shadow: 0 0.04em 0 rgb(243 241 245 / 0.35); background: rgb(var(--l2) / 0.16); }
.motion .step[data-step="drop"]:not(.is-on) .ink { color: rgb(var(--l2)); }

/* Lo dicho, lo escrito. */
.sw { padding-top: calc(var(--u) * 8); }
.sw-head { grid-column: 1 / 10; margin-bottom: calc(var(--u) * 3); }
.sw-head h2 { font-size: var(--t-xl); font-weight: 700; line-height: 1; letter-spacing: -0.035em; margin-bottom: calc(var(--u) * 2); }
.sw-track { grid-column: 1 / -1; }
.sw-tag { display: block; margin-bottom: 0.9rem; color: var(--muted); font: 500 var(--t-xs)/1.2 var(--f-text); letter-spacing: 0.01em; }
.sw-index { display: none; }
.sw-cases { display: grid; gap: calc(var(--u) * 6); }
.sw-case { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 2rem; align-items: center; }
.sw-said {
  grid-column: 1 / 7;
  font-family: var(--f-display);
  font-size: var(--t-l);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: rgb(var(--core));
}
.sw-said .f, .sw-said .x {
  color: rgb(var(--l1));
  background: linear-gradient(currentColor 0 0) left 55% / 100% 2px no-repeat;
}
.sw-out {
  position: relative;
  grid-column: 8 / 13;
  padding: 1.25rem 1.4rem 1.4rem;
  border-radius: var(--win-r);
  background: var(--paper);
  color: var(--paper-ink);
  font-size: 1.125rem;
  line-height: 1.5;
  box-shadow: 0 30px 70px rgb(0 0 0 / 0.5);
}
.sw-out .sw-tag { color: var(--paper-muted); }
.sw-out p + p, .sw-out p + ol { margin-top: 0.6em; }
.sw-out ol { list-style: decimal; padding-left: 1.3em; }
.sw-note { color: var(--paper-muted); font-size: var(--t-s); }
mark { background: rgb(255 61 153 / 0.14); color: inherit; border-radius: 0.2em; box-shadow: 0 0 0 0.12em rgb(255 61 153 / 0.14); }

/* Con movimiento: un escenario pegajoso, un caso por pantalla. */
.motion .sw-track { height: 420svh; }
.motion .sw-stage {
  position: sticky; top: 0; height: 100svh;
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter);
  align-items: center;
}
.motion .sw-index { display: grid; gap: 0.9rem; grid-column: 1 / 3; align-self: start; margin-top: clamp(5.5rem, 22svh, 13rem); font-size: var(--t-s); color: var(--muted); }
.motion .sw-index li { position: relative; padding-bottom: 0.45rem; transition: color 0.4s; }
.motion .sw-index li::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px;
  background: var(--rim); transform-origin: left; scale: var(--q, 0) 1;
}
.motion .sw-index li.is-on { color: var(--ink); }
.motion .sw-cases { grid-column: 3 / 13; position: relative; display: block; height: 100%; }
.motion .sw-case { position: absolute; inset: 0; align-content: start; padding-top: clamp(5.5rem, 22svh, 13rem); grid-template-columns: repeat(10, minmax(0, 1fr)); opacity: 0; visibility: hidden; transition: opacity 0.6s var(--ease-out), visibility 0s 0.6s; }
.motion .sw-case.is-on { opacity: 1; visibility: visible; transition: opacity 0.6s var(--ease-out); }
.motion .sw-said { grid-column: 1 / 6; }
.motion .sw-out { grid-column: 6 / 11; }
.motion .sw-said .wd { opacity: 0.3; transition: opacity 0.35s var(--ease-soft); }
.motion .sw-said .wd.on { opacity: 1; }
.motion .sw-said .f, .motion .sw-said .x { background-size: 0% 2px; transition: background-size 0.5s var(--ease-out), opacity 0.5s; }
.motion .sw-said.cut .f, .motion .sw-said.cut .x { background-size: 100% 2px; }
.motion .sw-said.cut .f .wd, .motion .sw-said.cut .x .wd { opacity: 0.4; }
.motion .sw-out > :not(.sw-tag), .motion .sw-out li { opacity: 0; translate: 0 0.5em; color: rgb(var(--l2)); transition: opacity 0.6s var(--ease-out), translate 0.8s var(--ease-out), color 1.1s var(--ease-out); }
.motion .sw-out.in > :not(.sw-tag), .motion .sw-out.in li { opacity: 1; translate: 0 0; color: var(--paper-ink); }
.motion .sw-out:not(.in)::after { content: ""; position: absolute; left: 1.4rem; top: 3.2rem; width: 2px; height: 1.2em; background: rgb(var(--l2)); animation: caret 1s steps(1) infinite; }
.motion .sw-out.in > .sw-note { color: var(--paper-muted); }
.motion .sw-out.in > :nth-child(3), .motion .sw-out.in li:nth-child(1) { transition-delay: 0.08s; }
.motion .sw-out.in > :nth-child(4), .motion .sw-out.in li:nth-child(2) { transition-delay: 0.16s; }
.motion .sw-out.in li:nth-child(3) { transition-delay: 0.24s; }

/* Tonos: una lista índice. */
.tones { padding-block: calc(var(--u) * 10) calc(var(--u) * 6); }
.tones-head { grid-column: 1 / 8; }
.tones-head h2, .cmd-copy h2, .features h2, .speed-head h2, .faq-sec h2 {
  font-size: var(--t-xl); font-weight: 700; line-height: 1; letter-spacing: -0.035em; margin-bottom: calc(var(--u) * 2);
}
.said-line { grid-column: 1 / 10; margin-top: calc(var(--u) * 6); margin-bottom: calc(var(--u) * 3); }
.said-soft { font-family: var(--f-display); font-size: var(--t-l); font-weight: 300; line-height: 1.2; letter-spacing: -0.015em; color: rgb(var(--core)); }
.tone-list { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; }
.tone {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: subgrid; align-items: baseline;
  padding-block: calc(var(--u) * 2.5);
  border-top: 1px solid var(--line);
}
.tone:last-child { border-bottom: 1px solid var(--line); }
.tone-meta { grid-column: 1 / 5; display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; align-items: center; }
.tone-icons { grid-row: span 2; display: flex; width: 4.6rem; }
.tone-icons img { width: 28px; height: 28px; border-radius: 7px; margin-right: -6px; box-shadow: 0 0 0 2px var(--ground); }
.tone-meta b { font: 650 var(--t-m)/1.1 var(--f-display); letter-spacing: -0.01em; }
.tone-meta span:not(.tone-icons) { color: var(--muted); font-size: var(--t-s); }
.tone-out { grid-column: 5 / 13; font-size: var(--t-m); line-height: 1.4; }
.tone-said { display: block; margin-bottom: 0.4em; color: var(--muted); font-size: var(--t-s); }

/* Modo comando. */
.command { padding-block: calc(var(--u) * 9); align-items: center; row-gap: 3rem; }
.cmd-copy { grid-column: 1 / 6; }
.cmd-copy p { color: var(--muted); max-width: 30rem; }
.cmd-copy kbd { color: var(--ink); }
.note { margin-top: 1rem; font-size: var(--t-s); }
.cmd-window { grid-column: 7 / 13; }
.cmd-body { min-height: 8em; font-size: var(--t-m); }
.sel { background: #B4D5FE; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* Funciones: la app real y un índice. */
.features { padding-block: calc(var(--u) * 9); row-gap: calc(var(--u) * 5); }
.features h2 { grid-column: 1 / 10; margin-bottom: 0; }
.hub { grid-column: 1 / 8; align-self: start; position: sticky; top: 6rem; }
.hub img { border-radius: var(--win-r); box-shadow: 0 0 0 1px var(--line), 0 40px 90px rgb(0 0 0 / 0.5); }
.hub figcaption { margin-top: 1rem; color: var(--muted); font-size: var(--t-s); }
.index { grid-column: 9 / 13; display: grid; gap: 0; align-content: start; }
.index > div { padding-block: 0.95rem; border-top: 1px solid var(--line); }
.index dt { font-weight: 650; margin-bottom: 0.15rem; }
.index dd { color: var(--muted); font-size: var(--t-s); line-height: 1.45; }
.ex { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem 0.6rem; margin-top: 0.45rem; font-size: var(--t-s); }
.ex s { color: rgb(var(--l1)); text-decoration-thickness: 1.5px; }
.ex .ex-said { font-family: var(--f-display); font-weight: 300; color: rgb(var(--core)); }
.ex .ex-out { color: var(--ink); font-weight: 550; }
.ex .ex-out::before { content: "→"; margin-right: 0.5rem; color: var(--muted); font-weight: 400; }
.hub figcaption { margin-top: 0.9rem; }

/* Privacidad: la pantalla. */
.privacy { padding-block: calc(var(--u) * 8) calc(var(--u) * 4); }
.screen {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-height: min(86svh, 860px);
  display: grid;
  align-content: end;
  padding: calc(var(--u) * 6);
  border-radius: 28px;
  box-shadow: inset 0 0 0 2px rgb(243 241 245 / 0.28);
  background: #0B0B0D;
}
.screen-glow { z-index: -1; border-radius: inherit; }
.screen-glow b { height: 2px; }
.screen-in { position: relative; display: grid; gap: calc(var(--u) * 2.5); }
.screen h2 { max-width: 10ch; font-size: var(--t-xxl); font-weight: 700; line-height: 0.94; letter-spacing: -0.045em; }
.screen p { max-width: 34rem; color: #D9D6DD; }
.flow { display: flex; flex-wrap: wrap; gap: 0.5rem 0; margin-top: 1rem; font-size: var(--t-s); }
.flow li { display: flex; align-items: center; padding: 0.45em 1em; border-radius: 999px; background: rgb(15 15 17 / 0.72); box-shadow: inset 0 0 0 1px rgb(243 241 245 / 0.2); }
.flow li + li::before { content: ""; width: 1.6rem; height: 1.5px; margin: 0 0.6rem 0 -1.6rem; translate: -0.6rem 0; background: rgb(243 241 245 / 0.4); }
.flow li + li { margin-left: 1.6rem; }
.screen-foot { grid-column: 1 / -1; justify-self: center; margin-top: 1.1rem; color: var(--muted); font-size: var(--t-s); }
.promises { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); margin-top: calc(var(--u) * 7); }
.promises li { padding-top: 1.1rem; border-top: 1px solid var(--line); }
.promises h3 { font: 650 var(--t-m)/1.15 var(--f-display); margin-bottom: 0.4rem; }
.promises p { color: var(--muted); font-size: var(--t-s); }

/* Velocidad: hechos. */
.speed { padding-block: calc(var(--u) * 8) calc(var(--u) * 8); }
.speed-head { grid-column: 1 / -1; display: grid; grid-template-columns: subgrid; align-items: end; margin-bottom: calc(var(--u) * 6); }
.speed-head h2 { grid-column: 1 / 7; margin-bottom: 0; }
.speed-head .sec-lede { grid-column: 8 / 13; }
.facts { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); }
.facts > div { display: flex; flex-direction: column; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.facts dt { order: 2; margin-top: 0.8rem; font-weight: 650; }
.facts dd { order: 1; font: 400 var(--t-m)/1 var(--f-display); color: var(--muted); white-space: nowrap; }
.facts dd b { font-size: clamp(2.6rem, 1rem + 3.3vw, 4.5rem); font-weight: 600; letter-spacing: -0.04em; color: var(--ink); font-variant-numeric: tabular-nums; }
.facts .fact-note { order: 3; font-family: var(--f-text); white-space: normal; line-height: 1.45; margin-top: 0.35rem; color: var(--muted); font-size: var(--t-s); }
.speed-foot { grid-column: 1 / -1; margin-top: calc(var(--u) * 4); color: var(--muted); font-size: var(--t-xs); }

/* Preguntas. */
.faq-sec { padding-block: calc(var(--u) * 10); align-items: start; }
.faq-sec h2 { grid-column: 1 / 5; position: sticky; top: 6rem; max-width: 9ch; }
.faq { grid-column: 6 / 13; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.15rem 0;
  font-size: var(--t-m); font-weight: 550; line-height: 1.3;
  cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 14px; height: 14px;
  background: linear-gradient(currentColor 0 0) center / 100% 2px no-repeat, linear-gradient(currentColor 0 0) center / 2px 100% no-repeat;
  transition: rotate 0.45s var(--ease-out), color 0.3s;
}
.faq details[open] summary::after { rotate: 135deg; color: var(--accent); }
@media (hover: hover) { .faq summary:hover::after { rotate: 90deg; color: var(--accent); } .faq details[open] summary:hover::after { rotate: 135deg; } }
.faq summary:focus-visible::after { color: var(--accent); }
.faq details p { max-width: 40rem; padding-bottom: 1.3rem; color: var(--muted); }

/* Cierre. */
.final {
  min-height: 100svh;
  align-content: center;
  padding-block: calc(var(--u) * 10) calc(var(--u) * 12);
  row-gap: calc(var(--u) * 4);
}
.final-word {
  grid-column: 1 / -1;
  font-family: var(--f-display);
  font-size: clamp(7rem, 2rem + 26vw, 26rem);
  line-height: 0.82;
  letter-spacing: -0.06em;
  margin-left: -0.06em;
  padding-bottom: 0.08em;
}
.final-act { grid-column: 1 / 8; display: grid; justify-items: start; gap: 1.4rem; }
.final-act h2 { font-size: var(--t-l); font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; }
.install { grid-column: 8 / 13; align-self: end; counter-reset: i; display: grid; gap: 0.9rem; color: var(--muted); font-size: var(--t-s); }
.install li { counter-increment: i; display: grid; grid-template-columns: 1.6rem 1fr; }
.install li::before { content: counter(i); color: var(--ink); font-variant-numeric: tabular-nums; }
.install b { color: var(--ink); font-weight: 600; }

/* Pie. */
.footer {
  position: relative; z-index: 1;
  align-items: center; row-gap: 1rem;
  padding-block: 2rem calc(6rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: var(--t-s);
}
.footer .brand { grid-column: 1 / 3; color: var(--ink); font-size: 1.1rem; }
.footer > p:first-of-type { grid-column: 3 / 7; }
.footer nav { grid-column: 7 / 13; display: flex; justify-content: flex-end; gap: 1.5rem; }
.footer nav a { padding-block: 0.3rem; transition: color 0.3s; }
@media (hover: hover) { .footer nav a:hover { color: var(--ink); } }
.footer nav a:focus-visible { color: var(--ink); }
.legal { grid-column: 1 / -1; font-size: var(--t-xs); }

/* ---------- Revelados (solo con movimiento y JS) ---------- */
.motion [data-reveal], .motion [data-split] { visibility: hidden; }
.split-line { padding-bottom: 0.08em; margin-bottom: -0.08em; }

/* ---------- Tableta ---------- */
@media (max-width: 1100px) {
  .hero-copy { grid-column: 1 / -1; }
  .hero-window { grid-column: 1 / 11; }
  .hero { padding-bottom: 8rem; }
  .step-word { grid-column: 2 / -1; }
  .step p { grid-column: 2 / -1; padding-top: 0.6rem; }
  .cmd-copy { grid-column: 1 / -1; }
  .cmd-window { grid-column: 1 / 11; }
  .hub { grid-column: 1 / -1; position: static; }
  .index { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; column-gap: var(--gutter); }
  .facts { grid-template-columns: 1fr 1fr; row-gap: calc(var(--u) * 5); }
  .promises { grid-template-columns: 1fr 1fr; }
  .faq-sec h2 { grid-column: 1 / -1; position: static; max-width: none; }
  .speed-head h2 { grid-column: 1 / 8; }
  .speed-head .sec-lede { grid-column: 8 / -1; }
  .faq { grid-column: 1 / -1; }
  .final-act, .install { grid-column: 1 / -1; }
  .motion .sw-index { display: none; }
  .motion .sw-cases { grid-column: 1 / -1; }
  .motion .sw-case { grid-template-columns: 1fr; align-content: center; }
  .motion .sw-said, .motion .sw-out { grid-column: 1 / -1; }
  .sw-said { grid-column: 1 / -1; }
  .sw-out { grid-column: 1 / -1; max-width: 36rem; }
}

/* ---------- Teléfono ---------- */
@media (max-width: 760px) {
  main > section, .footer { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  main > section[class] > *, .footer > * { grid-column: 1 / -1; }
  .top { gap: 0.75rem; padding-block: 0.75rem; }
  .nav {
    position: fixed; inset: 0; z-index: -1;
    display: none; flex-direction: column; justify-content: center; gap: 0.4rem;
    padding: 6rem var(--gutter) 8rem;
    background: var(--ground);
    font: 700 var(--t-xl)/1.15 var(--f-display); letter-spacing: -0.03em;
  }
  .nav .nav-a { color: var(--ink); background-size: 0 0; padding: 0.15em 0; }
  html.menu-open .nav { display: flex; }
  html.menu-open { overflow: hidden; }
  .top-cta { margin-left: auto; }
  .menu-btn { display: inline-flex; align-items: center; min-height: 40px; padding: 0 0.9rem; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); font-size: var(--t-s); font-weight: 600; }
  .menu-close, html.menu-open .menu-open { display: none; }
  html.menu-open .menu-close { display: inline; }
  .hero { padding-top: 6rem; padding-bottom: 7rem; min-height: auto; row-gap: 2.5rem; }
  .hero-window { grid-column: 1 / -1; }
  .hero-said { font-size: 38.5vw; }
  .hero-window .win-cap { display: none; }
  .win-body { min-height: 9em; font-size: 1rem; }
  .win-bar { gap: 0; padding: 0.45rem; }
  .app-tab { gap: 0.35rem; padding: 0.35rem 0.6rem 0.35rem 0.35rem; font-size: 0.8125rem; }
  .app-tab img { width: 20px; height: 20px; border-radius: 5px; }
  .tab-mark { top: 0.45rem; height: calc(100% - 0.9rem); }
  .step-n { grid-column: 1 / -1; padding-top: 0; margin-bottom: 0.8rem; }
  .step-word, .step p { grid-column: 1 / -1; }
  .step-word { font-size: clamp(3.4rem, 17vw, 6rem); }
  .sw-head, .tones-head, .said-line, .speed-head { grid-column: 1 / -1; }
  .speed-head h2, .speed-head .sec-lede { grid-column: 1 / -1; }
  .speed-head h2 { margin-bottom: calc(var(--u) * 2); }
  .motion .sw-track { height: 360svh; }
  .motion .sw-case { row-gap: 1.25rem; padding-top: 5.5rem; }
  .motion .sw-out:not(.in)::after { left: 1.1rem; top: 2.9rem; }
  .sw-said { font-size: clamp(1.35rem, 5.6vw, 1.75rem); }
  .sw-out { font-size: 1rem; padding: 1rem 1.1rem 1.1rem; }
  .tone-meta, .tone-out { grid-column: 1 / -1; }
  .tone-out { margin-top: 0.9rem; }
  .cmd-window { grid-column: 1 / -1; }
  .index { grid-template-columns: 1fr; }
  .screen { padding: 1.5rem; border-radius: 22px; min-height: 80svh; }
  .flow { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
  .flow li + li { margin-left: 0; }
  .flow li + li::before { display: none; }
  .promises, .facts { grid-template-columns: 1fr; }
  .footer .brand, .footer > p:first-of-type, .footer nav { grid-column: 1 / -1; }
  .footer nav { justify-content: flex-start; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
  .footer nav a { padding-block: 0.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .btn:active { scale: 1; }
}

/* 404: la píldora no oyó nada. */
.lost { min-height: 100svh; align-content: center; padding-block: 8rem; row-gap: 1.6rem; }
.lost > * { grid-column: 1 / 7; }
.lost .lost-window { grid-column: 8 / 13; grid-row: 1 / span 4; align-self: center; }
.lost-said { font-family: var(--f-display); font-size: var(--t-mega); line-height: 0.9; letter-spacing: -0.04em; width: fit-content; }
.lost-title { font-family: var(--f-display); font-size: var(--t-xl); font-weight: 700; line-height: 1; letter-spacing: -0.035em; max-width: 14ch; }
@media (max-width: 1100px) { .lost > * { grid-column: 1 / -1; } .lost .lost-window { grid-column: 1 / -1; grid-row: auto; order: 9; } }