/* Zafsi — hoja de estilo común a toda la web. Una idea por pantalla, mucho aire, tipografía grande.
   Las secciones con [data-scroll] reciben --p (0…1) desde js/site.js según lo que se ha recorrido de ellas. */

:root {
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #86868b;
  --bg: #ffffff;
  --bg-2: #f5f5f7;
  --blue: #0071e3;
  --display: "Inter Tight", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  --text: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --nav: 48px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--text); font-size: 17px; line-height: 1.47; letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.wrap { width: min(1080px, calc(100% - 44px)); margin: 0 auto; }

/* Tipografía */
.h-xl { font-family: var(--display); font-weight: 600; font-size: clamp(44px, 7.2vw, 96px); line-height: 1.02; letter-spacing: -.035em; }
.h-l  { font-family: var(--display); font-weight: 600; font-size: clamp(36px, 5.4vw, 72px); line-height: 1.04; letter-spacing: -.03em; }
.h-m  { font-family: var(--display); font-weight: 600; font-size: clamp(26px, 3.2vw, 40px); line-height: 1.1; letter-spacing: -.025em; }
.lead { font-size: clamp(19px, 2.1vw, 26px); line-height: 1.35; letter-spacing: -.015em; color: var(--ink-2); font-weight: 450; }
.link { color: var(--blue); font-weight: 500; }
.link::after { content: " ›"; }
.link:hover { text-decoration: underline; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink-2);
  padding: 7px 14px; border-radius: 99px; background: rgba(0, 0, 0, .05); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.on-dark .pill { background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .7); }

/* Menú */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav);
  background: rgba(255, 255, 255, .72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: background .4s var(--ease), color .4s var(--ease); }
.nav.dark { background: rgba(0, 0, 0, .6); color: #f5f5f7; }
.nav .wrap { height: 100%; display: flex; align-items: center; gap: 30px; font-size: 13px; }
.nav .mark { font-family: var(--display); font-weight: 600; font-size: 18px; letter-spacing: -.03em;
  opacity: var(--mark, 1); transition: opacity .3s var(--ease); }
.nav .links { display: flex; gap: 26px; margin-left: auto; opacity: .85; }
.nav .links a:hover { opacity: .6; }
.nav .links .here { position: relative; }
.nav .links .here::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1.5px; background: currentColor; opacity: .5; }
.lang { font-size: 12px; font-weight: 500; letter-spacing: .04em; padding: 4px 9px; border-radius: 99px; border: 1px solid currentColor; opacity: .55; }
.lang:hover { opacity: 1; }

/* Revelados al entrar en pantalla */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-children] > * { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
[data-reveal-children].in > * { opacity: 1; transform: none; }
[data-reveal-children].in > *:nth-child(2) { transition-delay: .1s; }
[data-reveal-children].in > *:nth-child(3) { transition-delay: .2s; }
[data-reveal-children].in > *:nth-child(4) { transition-delay: .3s; }
[data-reveal-children].in > *:nth-child(5) { transition-delay: .4s; }

/* ——— Portada: la palabra a pantalla completa; al bajar se encoge y se desvanece suavemente ——— */
.hero { position: sticky; top: 0; z-index: 0; height: 100vh; height: 100svh; }
.hero .stage { height: 100%; display: grid; place-content: center; text-align: center; padding: 0 22px;
  transform: scale(calc(1 - var(--p, 0) * .14)); opacity: calc(1 - var(--p, 0) * .95); will-change: transform, opacity; }
.tiles { position: relative; z-index: 1; background: var(--bg); box-shadow: 0 -30px 60px -30px rgba(0, 0, 0, .12); }
.hero .cue { position: absolute; left: 50%; top: calc(100svh - 70px); width: 1px; height: 40px; background: linear-gradient(var(--ink-3), transparent);
  animation: cue 2.2s infinite var(--ease); opacity: calc(1 - var(--p, 0) * 8); }
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
.wordmark { font-family: var(--display); font-weight: 600; font-size: clamp(96px, 20vw, 260px); line-height: .9; letter-spacing: -.06em; }
.wordmark span { display: inline-block; opacity: 0; }
html.fonts-ready .wordmark span { animation: letter 1.1s var(--ease) both; animation-delay: calc(var(--i) * 60ms); }
@keyframes letter { from { opacity: 0; transform: translateY(.3em); } to { opacity: 1; transform: none; } }
.hero .tag { margin-top: 22px; font-family: var(--display); font-weight: 500; font-size: clamp(19px, 2.2vw, 28px); letter-spacing: -.02em; color: var(--ink-2); opacity: 0; }
html.fonts-ready .hero .tag { animation: letter 1.1s .5s var(--ease) both; }

/* ——— Portada: una sección por app, estilo apple.com ——— */
.tile-sec { position: relative; overflow: clip; display: grid; grid-template-rows: auto 1fr; min-height: calc(100vh - var(--nav)); max-height: 1100px; }
.tile-sec.light { background: var(--bg-2); }
.tile-sec.dark { background: radial-gradient(120% 70% at 50% 100%, #26205e 0%, #07081a 60%); color: #f4f1ff; }
.tile-sec.dark .lead { color: #b9b4d8; }
.tile-sec.grey { background: var(--bg); min-height: auto; text-align: center; padding: 120px 22px; display: grid; gap: 12px; justify-items: center; }
.tile-text { text-align: center; padding: 56px 22px 28px; display: grid; gap: 10px; justify-items: center; }
.tile-text .lead { max-width: 560px; }
.name { font-family: var(--display); font-weight: 600; font-size: clamp(20px, 2.2vw, 26px); letter-spacing: -.02em; }
.tile-sec.grey .name { color: var(--ink-2); }
.cta { display: flex; align-items: center; gap: 18px; margin-top: 12px; flex-wrap: wrap; justify-content: center; }
.btn { display: inline-block; padding: 11px 22px; border-radius: 99px; background: var(--blue); color: #fff; font-weight: 500; font-size: 17px; transition: transform .3s var(--ease), background .3s; }
.btn:hover { background: #0077ed; transform: translateY(-1px); }
.tile-sec.dark .pill { background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .75); }
.tile-visual { position: relative; align-self: end; padding: 10px 22px 0; display: grid; justify-items: center; }
.tile-sec.light .iphone.landscape { --w: min(980px, 92vw); margin: 0; transform: translateY(calc(8px + (1 - var(--p, 0)) * 40px)); will-change: transform; }
.tile-sec.light .tile-visual { padding-bottom: 0; margin-bottom: -4%; }
.tile-sec.dark { max-height: none; }
.tile-sec.dark .iphone.portrait { --w: min(310px, 64vw); margin: 0 0 72px; transform: translateY(calc((1 - var(--p, 0)) * 60px)); }
.napsi-halo { position: absolute; left: 50%; top: 0; width: min(760px, 120vw); aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(150, 130, 255, .32), transparent); pointer-events: none; }
.iphone .screen video.film { opacity: 0; transition: opacity .6s var(--ease); }
.iphone .screen video.film.ready { opacity: 1; }
/* Presentación: las apps bajo el nombre */
.hero-apps { display: flex; justify-content: center; gap: 28px; margin-top: 44px;
  transform: translateY(calc(var(--p, 0) * 40px)) scale(calc(1 + var(--p, 0) * .15)); }
.hero-apps a { display: grid; justify-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--ink-2); opacity: 0; }
html.fonts-ready .hero-apps a { animation: rise 1.2s var(--ease) both; animation-delay: calc(.9s + var(--i) * .12s); }
.hero-apps img { width: 64px; height: 64px; border-radius: 15px; box-shadow: 0 10px 24px rgba(0, 0, 0, .14), 0 0 0 1px rgba(0, 0, 0, .05); transition: transform .5s var(--ease); }
.hero-apps a:hover img { transform: translateY(-4px) scale(1.05); }
@keyframes rise { from { opacity: 0; transform: translateY(24px) scale(.8); } to { opacity: 1; transform: none; } }

/* Mosaico a media anchura, como apple.com */
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 12px; background: var(--bg); }
.half { position: relative; overflow: hidden; display: grid; grid-template-rows: auto 1fr; min-height: 620px; text-align: center; }
.half.cream { background: #fbf5e8; color: #2d2620; }
.half.cream .name { color: #6b5e52; }
.half.cream .link { color: #e4573b; }
.half.night { background: radial-gradient(110% 80% at 50% 100%, #2a2266 0%, #07081a 65%); color: #f4f1ff; }
.half.night .name { color: #b9b4d8; }
.half.night .link { color: #a99bff; }
.half-text { display: grid; gap: 8px; justify-items: center; padding: 56px 22px 20px; }
.h-m { font-family: var(--display); font-weight: 600; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.06; letter-spacing: -.03em; }
.half-visual { position: relative; display: grid; place-items: end center; padding: 0 22px; text-align: left; }
.half .iphone.landscape { --w: min(560px, 40vw); margin: 0 0 -6%; }
.half .ndi-phone.mini { --W: min(440px, 36vw); }
.half.night .ndi-status { color: #fff; }
.shelf { gap: 16px; padding: 130px 22px 120px; }
.shelf .lead { max-width: 560px; }
.shelf-apps { display: flex; gap: 56px; margin-top: 40px; }
.shelf-apps a { display: grid; justify-items: center; gap: 4px; transition: transform .4s var(--ease); }
.shelf-apps a:hover { transform: translateY(-4px); }
.shelf-apps img { width: 92px; height: 92px; border-radius: 21px; margin-bottom: 10px; box-shadow: 0 14px 30px rgba(0, 0, 0, .14), 0 0 0 1px rgba(0, 0, 0, .05); }
.shelf-apps b { font-family: var(--display); font-weight: 600; font-size: 19px; letter-spacing: -.02em; }
.shelf-apps span { font-size: 14px; color: var(--ink-2); }
.stars { position: absolute; inset: 0; pointer-events: none; }
.star { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: #fff; opacity: .25;
  animation: twinkle var(--t, 5s) var(--delay, 0s) infinite ease-in-out; }
@keyframes twinkle { 0%, 100% { opacity: .1; } 50% { opacity: .8; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ——— Pie ——— */
.footer { background: var(--bg-2); color: var(--ink-2); font-size: 13px; padding: 40px 0 36px; }
.footer .cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-bottom: 28px; border-bottom: 1px solid #d2d2d7; }
.footer h4 { color: var(--ink); font-size: 13px; margin-bottom: 8px; }
.footer .cols a { display: block; padding: 3px 0; } .footer .cols a:hover { color: var(--ink); }
.footer .copy { padding-top: 16px; font-size: 12px; color: var(--ink-3); display: flex; gap: 18px; flex-wrap: wrap; }

/* ——— Páginas de producto ——— */
.p-hero { padding: calc(var(--nav) + 90px) 22px 0; text-align: center; display: grid; gap: 16px; justify-items: center; }
.p-hero .lead { max-width: 620px; }
.p-hero .actions { display: flex; gap: 18px; align-items: center; margin-top: 8px; }

/* iPhone 16 Pro. Todo sale de un único ancho, --w (en vertical, el lado corto; en horizontal, el largo), así que
   funciona igual en Safari y en Chrome. Proporciones reales: pantalla 1320×2868, bisel 3,4 %, radios 17,7 % / 14 %,
   isla 126×37 pt a 11 pt del borde. */
.iphone { --w: min(340px, 72vw); position: relative; flex: none; background: #0b0b0d; isolation: isolate;
  box-shadow: 0 0 0 1.5px #2a2a2e, 0 0 0 3px #0d0d0f, 0 50px 100px -30px rgba(0, 0, 0, .45); }
.iphone::before { content: ""; position: absolute; inset: -3px; border-radius: inherit; z-index: -1; pointer-events: none;
  background: linear-gradient(160deg, #7a7a80 0%, #3a3a3e 22%, #1b1b1e 50%, #3a3a3e 78%, #8a8a90 100%); }
.iphone .screen { position: absolute; overflow: hidden; background: #000; }
.iphone .screen video, .iphone .screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.iphone .island { position: absolute; background: #000; border-radius: 999px; pointer-events: none; }
.iphone.portrait { width: var(--w); height: calc(var(--w) * 2.1727); border-radius: calc(var(--w) * .177); }
.iphone.portrait .screen { inset: calc(var(--w) * .034); border-radius: calc(var(--w) * .14); }
.iphone.portrait .island { left: 50%; top: calc(var(--w) * .062); width: calc(var(--w) * .30); height: calc(var(--w) * .088); transform: translateX(-50%); }
.iphone.landscape { --w: min(1000px, 92vw); width: var(--w); height: calc(var(--w) * .4603); border-radius: calc(var(--w) * .0815); }
.iphone.landscape .screen { inset: calc(var(--w) * .01565); border-radius: calc(var(--w) * .0644); }
.iphone.landscape .island { top: 50%; left: calc(var(--w) * .0285); width: calc(var(--w) * .0405); height: calc(var(--w) * .138); transform: translateY(-50%); }
.iphone.landscape { margin: 56px auto 0;
  transform: perspective(1600px) rotateX(calc((1 - var(--k, 0)) * 18deg)) scale(calc(.9 + var(--k, 0) * .1)); will-change: transform; }
.iphone.portrait { margin: 0 auto;
  transform: translateY(calc((1 - var(--p, 0)) * 60px)) rotate(calc((1 - var(--p, 0)) * -3deg)); will-change: transform; }
.on-dark .iphone, .theme-night .iphone { box-shadow: 0 0 0 1.5px #2a2a2e, 0 0 0 3px #0d0d0f, 0 60px 120px -30px rgba(154, 140, 255, .35); }
.story { height: 380vh; position: relative; }
.story .sticky { position: sticky; top: 0; height: 100vh; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; max-width: 1080px; margin: 0 auto; padding: var(--nav) 22px 0; }
.paper { position: relative; width: min(100%, 68vh); aspect-ratio: 1; margin: 0 auto; background: #fff; border-radius: 22px;
  opacity: var(--in, 1); transform: translateY(calc((1 - var(--in, 1)) * 40px)) scale(calc(.96 + var(--in, 1) * .04));
  box-shadow: 0 1px 0 rgba(45, 38, 32, .05), 0 30px 60px -20px rgba(95, 70, 30, .25); }
.paper::before { content: ""; position: absolute; top: -12px; left: 50%; width: 110px; height: 30px; margin-left: -55px; background: rgba(242, 178, 51, .7); transform: rotate(-3deg); border-radius: 3px; }
.monster { position: absolute; inset: 9% 13% 5%; overflow: visible; }
.monster .ink { stroke-dasharray: 1; stroke-dashoffset: calc(1 - var(--draw, 0)); }
.monster .m-fill { opacity: var(--fill, 0); }
.monster .m-face { opacity: var(--face, 0); transform-origin: 200px 240px; transform: scale(calc(.7 + var(--face, 0) * .3)); }
.monster .m-shadow { opacity: var(--alive, 0); }
.monster .m-body { transform-origin: 200px 400px; } .monster .m-arm-l { transform-origin: 88px 246px; } .monster .m-arm-r { transform-origin: 312px 246px; }
.alive .m-body { animation: bob 1.1s var(--ease) infinite alternate; }
.alive .m-arm-r { animation: wave .55s ease-in-out infinite alternate; }
.alive .m-arm-l { animation: wave2 .9s ease-in-out infinite alternate; }
@keyframes bob { from { transform: translateY(0); } to { transform: translateY(-24px) rotate(-2deg); } }
@keyframes wave { from { transform: rotate(-8deg); } to { transform: rotate(-38deg); } }
@keyframes wave2 { from { transform: rotate(4deg); } to { transform: rotate(14deg); } }
.friend { position: absolute; width: 19%; opacity: 0; transform: translateY(30px) scale(.5); transition: opacity .6s var(--ease), transform .8s cubic-bezier(.34, 1.56, .64, 1);
  filter: drop-shadow(0 10px 12px rgba(60, 40, 10, .18)); }
.friends .friend { opacity: 1; transform: none; }
.friend.f1 { left: -12%; bottom: 2%; transition-delay: 0s; }
.friend.f2 { left: -9%; top: 12%; width: 15%; transition-delay: .1s; }
.friend.f3 { left: 20%; top: -13%; width: 14%; transition-delay: .2s; }
.friend.f4 { right: 16%; top: -11%; width: 13%; transition-delay: .3s; }
.steps { list-style: none; display: grid; gap: 26px; }
.steps li { opacity: .18; transform: translateX(-8px); transition: opacity .5s var(--ease), transform .6s var(--ease); display: grid; gap: 4px; }
.steps li.on { opacity: 1; transform: none; }
.steps b { font-family: var(--display); font-weight: 600; font-size: clamp(24px, 3vw, 36px); letter-spacing: -.025em; line-height: 1.08; }
.steps span { color: #6b5e52; font-size: 18px; }

.bento { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 1080px; margin: 0 auto; padding: 40px 22px 120px; }
.tile { position: relative; overflow: hidden; border-radius: 24px; background: #fff; box-shadow: 0 20px 50px -20px rgba(95, 70, 30, .22); }
.tile.wide { grid-column: span 2; }
.tile img { width: 100%; aspect-ratio: 2868 / 1320; object-fit: cover; }
.tile figcaption { padding: 20px 24px 24px; display: grid; gap: 2px; }
.tile b { font-family: var(--display); font-weight: 600; font-size: 22px; letter-spacing: -.02em; }
.tile span { color: #6b5e52; }

.rail-sec { height: 260vh; position: relative; }
.rail-sec .sticky { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: 44px; overflow: hidden; }
.rail { display: flex; gap: 30px; padding: 0 8vw; width: max-content; transform: translateX(var(--rx, 0px)); will-change: transform; }
.rail figure { width: clamp(210px, 23vw, 290px); flex: none; text-align: center; }
.rail img { width: 100%; border-radius: 26px;
  -webkit-mask: linear-gradient(to bottom, transparent 0, #000 9%, #000 88%, transparent 100%); mask: linear-gradient(to bottom, transparent 0, #000 9%, #000 88%, transparent 100%); }
.rail figcaption { margin-top: 12px; font-weight: 500; color: #d7d2f5; font-size: 15px; }
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1080px; margin: 0 auto; padding: 20px 22px 140px; }
.feat { border-radius: 24px; padding: 26px; display: grid; gap: 6px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); }
.feat img { width: 58%; margin: 0 auto 12px; }
.feat b { font-family: var(--display); font-weight: 600; font-size: 21px; letter-spacing: -.02em; }
.feat span { color: #a9a4c8; }
.strip { text-align: center; padding: 120px 22px; display: grid; gap: 12px; justify-items: center; }
.strip .lead { max-width: 600px; }

/* Filas: texto + pantalla real dentro de un iPhone vertical */
.rows { display: grid; gap: 40px; max-width: 1080px; margin: 0 auto; padding: 60px 22px 120px; }
.row { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; min-height: 86vh; }
.row.flip .copy { order: 2; }
.row .copy { display: grid; gap: 14px; }
.row .copy .lead { max-width: 440px; }
.row .copy .h-l { font-size: clamp(32px, 4.4vw, 60px); }
.iphone.landscape.lg { width: min(900px, 92vw); margin: 0 auto; }
.row .iphone.landscape { --w: min(620px, 54vw); margin: 0; transform: translateY(calc((1 - var(--p, 0)) * 50px)) perspective(1200px) rotateY(calc((1 - var(--p, 0)) * -10deg)); }
.row.flip .iphone.landscape { transform: translateY(calc((1 - var(--p, 0)) * 50px)) perspective(1200px) rotateY(calc((1 - var(--p, 0)) * 10deg)); }
.row:has(.landscape) { grid-template-columns: 2fr 3fr; }

/* Lámina: una ilustración grande, sin caja */
.sheet { position: relative; text-align: center; padding: 100px 22px 60px; display: grid; gap: 14px; justify-items: center; }
.sheet .lead { max-width: 620px; }
.sheet img { width: min(620px, 80vw); margin-top: 20px; transform: translateY(calc((1 - var(--p, 0)) * 70px)) scale(calc(.92 + var(--p, 0) * .08)); will-change: transform; filter: drop-shadow(0 40px 60px rgba(0, 0, 0, .45)); }
.sheet .glow { position: absolute; left: 50%; bottom: 10%; width: 60vw; height: 40vw; max-width: 900px; max-height: 500px; transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(169, 155, 255, .35), transparent); pointer-events: none; }


/* Páginas legales */
.legal { max-width: 760px; margin: 0 auto; padding: calc(var(--nav) + 56px) 22px 100px; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 15px; margin-bottom: 40px; opacity: .8; }
.legal-nav a.here { text-decoration: underline; text-underline-offset: 5px; }
.legal h1 { font-family: var(--display); font-weight: 600; font-size: clamp(40px, 6vw, 64px); line-height: 1.04; letter-spacing: -.035em; }
.legal-lead { font-size: clamp(19px, 2vw, 23px); line-height: 1.4; margin-top: 16px; }
.legal-date { font-size: 14px; opacity: .6; margin: 14px 0 20px; }
.legal h2 { font-family: var(--display); font-weight: 600; font-size: 24px; letter-spacing: -.02em; margin: 44px 0 10px; }
.legal p, .legal li { line-height: 1.6; }
.legal p + p { margin-top: 10px; }
.legal ul { padding-left: 22px; display: grid; gap: 8px; }
.theme-night .legal-lead, .theme-night .legal p, .theme-night .legal li { color: #c9c4e6; }
.theme-night .legal a { color: #a99bff; }

/* Temas de página */
.theme-paper { background: #fbf5e8; color: #2d2620; }
.theme-paper .lead, .theme-paper .footer, .theme-paper .footer .copy { color: #6b5e52; }
.theme-paper .footer { background: #f3ebd9; } .theme-paper .footer h4 { color: #2d2620; } .theme-paper .footer .cols { border-color: #e2d8c3; }
.theme-paper .link { color: #e4573b; }
.theme-night { background: #07081a; color: #f4f1ff; }
.theme-night .lead { color: #b9b4d8; }
.theme-night .link { color: #a99bff; }
.theme-night .footer { background: #0d0f26; color: #9994b8; } .theme-night .footer h4 { color: #f4f1ff; } .theme-night .footer .cols { border-color: #22254a; }
.theme-night .footer .copy { color: #6f6b8f; }

/* Móvil */
@media (max-width: 820px) {
  .nav .links { gap: 16px; }
  .tile-sec { min-height: auto; }
  .tile-text { padding-top: 44px; }
  .tile-sec.dark .iphone.portrait { --w: min(270px, 66vw); margin-bottom: 48px; }
  .shelf-apps { gap: 36px; }
  .duo { grid-template-columns: 1fr; padding: 10px; gap: 10px; }
  .half { min-height: 0; }
  .half-text { padding: 44px 22px 28px; }
  .half .iphone.landscape { --w: calc(100vw - 64px); }
  .half .ndi-phone.mini { --W: min(420px, calc(100vw - 64px)); }
  .hero-apps img { width: 56px; height: 56px; border-radius: 13px; }
  .tile-sec.light .tile-visual { margin-bottom: 0; padding-bottom: 36px; }
  .story .sticky { grid-template-columns: 1fr; gap: 20px; align-content: center; padding-top: 70px; }
  .paper { width: min(100%, 50vh); }
  .steps { text-align: center; } .steps li { display: none; } .steps li.on { display: grid; }
  .bento { grid-template-columns: 1fr; } .tile.wide { grid-column: auto; }
  .feats { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr !important; min-height: auto; gap: 26px; text-align: center; padding: 40px 0; }
  .row.flip .copy { order: 0; } .row .copy { justify-items: center; }
  .row .iphone.landscape { --w: calc(100vw - 44px); }
  .row .iphone.portrait { --w: min(280px, 70vw); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal], [data-reveal-children] > * { opacity: 1; transform: none; }
}