/*
  Contame — la landing.

  Viste los mismos colores que la app (src/styles.css): la noche de fondo, el
  verde como único acento y como "entró plata", el coral para lo que se fue y
  el rojo sólo para el micrófono mientras graba. La letra no es la de la app a
  propósito: Bricolage para los títulos, Plus Jakarta para leer.
*/

:root {
  --bg: #0a0b0f;
  --bg-2: #101218;
  --surface: #15181f;
  --surface-2: #1d212b;
  --chrome: #12151c;
  --border: #252a36;
  --border-soft: #1b1f29;
  --text: #eef1f5;
  --text-2: #aeb6c4;
  --muted: #7d8697;
  --faint: #5c6577;
  --accent-rgb: 91, 240, 140;
  --accent: rgb(var(--accent-rgb));
  --accent-2: #8af7b1;
  --on-accent: #06150c;
  --grad: linear-gradient(160deg, var(--accent-2) 0%, var(--accent) 100%);
  --bad: #ff7a6b;
  --alert: #ff4d4d;
  --amber: #f5c86a;

  --display: 'Bricolage Grotesque', 'Plus Jakarta Sans', system-ui, sans-serif;
  --body: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --gutter: clamp(16px, 4.5vw, 56px);
  --max: 1200px;
  --nav-h: 68px;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
html { overflow-x: clip; }
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; padding: 0; }
q { quotes: '«' '»'; color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
::selection { background: rgba(var(--accent-rgb), .3); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; margin: 0; letter-spacing: -0.03em; line-height: 1.05; font-optical-sizing: auto; }
h2 { font-size: clamp(2.1rem, 5vw, 3.8rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.015em; line-height: 1.2; }
p { margin: 0; }

/* El granito de película, el mismo del video */
.grain {
  position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0% { background-position: 0 0; } 20% { background-position: -37px 23px; } 40% { background-position: 29px -41px; }
  60% { background-position: -19px -13px; } 80% { background-position: 43px 31px; } 100% { background-position: 0 0; }
}

.scroll-bar { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; pointer-events: none; }
.scroll-bar span { display: block; height: 100%; background: var(--grad); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }

/* ---------------------------------------------------------------- botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 650; font-size: 1rem; white-space: nowrap;
  transition: transform .35s var(--ease), background-color .25s, box-shadow .35s var(--ease), border-color .25s;
  will-change: transform;
}
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary { background: var(--grad); color: var(--on-accent); box-shadow: 0 10px 30px -8px rgba(var(--accent-rgb), .55), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-primary:hover { box-shadow: 0 16px 44px -8px rgba(var(--accent-rgb), .75), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-ghost { border: 1px solid var(--border); background: rgba(21,24,31,.6); color: var(--text); }
.btn-ghost:hover { border-color: #39404f; background: var(--surface-2); }
.btn-lg { height: 56px; padding: 0 28px; font-size: 1.05rem; }
.btn-sm { height: 40px; padding: 0 18px; font-size: .95rem; }
.btn:active { transform: scale(.97); }

/* ---------------------------------------------------------------- nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center; gap: 28px; padding: 0 var(--gutter);
}
.nav { border-bottom: 1px solid var(--border-soft); background: rgba(10, 11, 15, .72); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
.brand img { width: 34px; height: auto; filter: drop-shadow(0 4px 14px rgba(var(--accent-rgb), .35)); }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a:not(.btn) { padding: 8px 14px; border-radius: 999px; color: var(--text-2); font-size: .95rem; font-weight: 550; transition: color .2s, background-color .2s; }
.nav-links a:not(.btn):hover, .nav-links a.is-active { color: var(--text); background: rgba(255,255,255,.05); }
.nav-cta-mobile { display: none; }
.nav-toggle { display: none; width: 44px; height: 44px; margin-left: auto; border-radius: 12px; position: relative; }
.nav-toggle span { position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .4s var(--ease), top .4s var(--ease); }
.nav-toggle span:first-child { top: 17px; }
.nav-toggle span:last-child { top: 25px; }
.nav-open .nav-toggle span:first-child { top: 21px; transform: rotate(45deg); }
.nav-open .nav-toggle span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------------------------------------------------------------- hero */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: calc(var(--nav-h) + 40px) 0 80px; overflow: hidden; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 480px at var(--mx, 72%) var(--my, 45%), rgba(var(--accent-rgb), .13), transparent 70%),
    radial-gradient(900px 600px at 80% 110%, rgba(var(--accent-rgb), .06), transparent 70%);
  transition: background-position .2s;
}
.hero::before { /* la grilla de puntos que se apaga hacia los bordes */
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1.4px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 45%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 45%, #000 30%, transparent 80%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(32px, 6vw, 80px); }
.kicker { color: var(--accent); font-size: 1.05rem; font-weight: 650; letter-spacing: -0.005em; }
@keyframes live { 0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), .55); } 70%, 100% { box-shadow: 0 0 0 10px rgba(var(--accent-rgb), 0); } }

.hero-title { font-size: clamp(3.4rem, 9.2vw, 7.6rem); font-weight: 800; letter-spacing: -0.035em; line-height: .9; margin: 28px 0 28px; }
.hero-title .line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.hero-title .word { display: inline-block; transform: translateY(105%); animation: rise 1.1s var(--ease) forwards; animation-delay: calc(var(--d) * 90ms + 150ms); }
.hero-title .line:last-child .word:last-child { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes rise { to { transform: translateY(0); } }
.hero-lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--text-2); max-width: 34em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts { margin: 48px 0 0; display: flex; gap: 0; }
.fact { padding: 2px 36px 2px 0; }
.fact + .fact { padding-left: 36px; border-left: 1px solid var(--border); }
.fact dt { display: flex; align-items: baseline; gap: 8px; }
.fact b { font-family: var(--display); font-size: 2.6rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; color: var(--text); }
.fact small { font-size: 1rem; font-weight: 600; color: var(--text-2); }
.fact dd { margin: 8px 0 0; color: var(--muted); font-size: .92rem; }

.reveal-load { opacity: 0; transform: translateY(24px); filter: blur(8px); animation: in 1s var(--ease) forwards; animation-delay: calc(var(--d) * 90ms + 200ms); }
@keyframes in { to { opacity: 1; transform: none; filter: none; } }

.scroll-cue { position: absolute; left: 50%; bottom: 26px; width: 26px; height: 42px; margin-left: -13px; border: 1.5px solid var(--border); border-radius: 20px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: var(--accent); animation: cue 1.8s var(--ease) infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* ---------------------------------------------------------------- el teléfono */
.phone {
  --pw: clamp(250px, 26vw, 330px);
  position: relative; width: var(--pw); aspect-ratio: 720 / 1599;
  font-size: calc(var(--pw) / 30);
  padding: .42em; border-radius: 2.15em;
  background: linear-gradient(145deg, #2a2f3b, #0d0f14 40%, #1b1f28);
  box-shadow:
    0 0 0 1px #2f3542,
    0 2.5em 5em -1em rgba(0,0,0,.7),
    0 0 6em -1em rgba(var(--accent-rgb), .18);
}
.phone::before { /* cámara */
  content: ''; position: absolute; top: 1.15em; left: 50%; width: .75em; height: .75em; margin-left: -.375em; border-radius: 50%;
  background: #05060a; box-shadow: 0 0 0 .12em #15171e; z-index: 20;
}
.phone-screen { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 1.75em; background: var(--bg); }
.phone-screen > img, .phone-screen > video { width: 100%; height: 100%; object-fit: cover; }
.phone .shot { position: absolute; inset: 0; opacity: 0; transform: scale(1.04); filter: blur(6px); transition: opacity .7s var(--ease), transform .9s var(--ease), filter .7s var(--ease); }
.phone .shot.is-on { opacity: 1; transform: none; filter: none; }

.hero-stage { position: relative; display: flex; justify-content: center; perspective: 1400px; }
.hero-stage .phone { --pw: clamp(250px, min(28vw, calc((100svh - 150px) * .45)), 350px); }
.tilt { transform: rotateY(var(--ry, -8deg)) rotateX(var(--rx, 4deg)); transition: transform .8s var(--ease); transform-style: preserve-3d; }
.phone-shadow { position: absolute; bottom: -40px; left: 50%; width: 70%; height: 40px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(var(--accent-rgb), .25), transparent); filter: blur(10px); }

.toast {
  position: absolute; z-index: 5; padding: 12px 16px; border-radius: 16px; border: 1px solid var(--border);
  background: rgba(21,24,31,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px -10px rgba(0,0,0,.6); font-size: .9rem; white-space: nowrap;
  opacity: 0; transform: translateY(14px) scale(.94); transition: opacity .5s var(--ease), transform .6s var(--ease);
}
.toast.show { opacity: 1; transform: none; }
.toast b { display: block; font-family: var(--display); font-size: 1.3rem; letter-spacing: -0.02em; }
.toast small { color: var(--muted); font-size: .82rem; }
.toast .good { color: var(--accent); }
.toast-a { left: -4%; top: 22%; }
.toast-b { right: -2%; bottom: 20%; }

.still-video { pointer-events: none; user-select: none; -webkit-user-select: none; }
.still-video::-webkit-media-controls, .still-video::-webkit-media-controls-enclosure, .still-video::-internal-media-controls-overlay-cast-button { display: none !important; }

/* ---------------------------------------------------------------- marquee */
.marquee { padding: 30px 0; border-block: 1px solid var(--border-soft); background: var(--bg-2); overflow: hidden; display: grid; gap: 14px; }
.marquee-row { display: flex; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; flex: none; gap: 14px; padding-right: 14px; animation: marquee var(--dur) linear infinite; }
.marquee-track > span { margin: 0; }
.marquee-row.reverse .marquee-track { animation-direction: reverse; }
.marquee-track span { flex: none; padding: 10px 20px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 1rem; font-weight: 500; white-space: nowrap; transition: color .2s, border-color .2s; }
.marquee-track span:hover { color: var(--text); border-color: rgba(var(--accent-rgb), .5); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------- statement */
.statement { padding-block: clamp(100px, 16vw, 200px); }
.statement-text { font-family: var(--display); font-size: clamp(1.75rem, 4.4vw, 3.5rem); font-weight: 650; letter-spacing: -0.035em; line-height: 1.12; max-width: 22em; }
.statement-text .w { color: #2b303c; transition: color .5s var(--ease); }
.statement-text .w.lit { color: var(--text); }

/* ---------------------------------------------------------------- secciones */
section { position: relative; scroll-margin-top: var(--nav-h); }
.how, .say, .debts, .screens, .never, .bento-sec, .film, .faq { scroll-margin-top: calc(var(--nav-h) + 28px - clamp(80px, 11vw, 150px)); }
.how, .say, .debts, .screens, .never, .bento-sec, .film, .faq { padding-block: clamp(80px, 11vw, 150px); }
.sec-head { max-width: 760px; margin: 0 auto clamp(48px, 7vw, 80px); text-align: center; }
.sec-head p { margin-top: 20px; color: var(--text-2); font-size: clamp(1.05rem, 1.5vw, 1.2rem); }
.sec-head.left { text-align: left; margin-left: 0; }
.sec-head em { font-style: normal; color: var(--text); font-weight: 600; }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); transition-delay: var(--rd, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* --- cómo funciona */
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); }
.how-steps { position: relative; padding-left: 64px; padding-bottom: 14vh; }
.how-progress { position: absolute; left: 19px; top: 0; bottom: 14vh; width: 2px; background: var(--border-soft); border-radius: 2px; }
.how-progress span { display: block; width: 100%; height: 100%; background: var(--grad); transform-origin: 50% 0; transform: scaleY(var(--p, 0)); border-radius: 2px; }
.how-step { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; position: relative; opacity: .35; transition: opacity .6s var(--ease); }
.how-step.active { opacity: 1; }
.how-num { position: absolute; left: -64px; top: 50%; width: 40px; height: 40px; margin-top: -20px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-weight: 700; background: var(--bg); border: 1.5px solid var(--border); color: var(--muted); transition: all .5s var(--ease); }
.how-step.active .how-num { background: var(--grad); border-color: transparent; color: var(--on-accent); box-shadow: 0 0 0 6px rgba(var(--accent-rgb), .12); }
.how-step h3 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); letter-spacing: -0.035em; margin-bottom: 18px; }
.how-step p { color: var(--text-2); font-size: 1.08rem; max-width: 30em; }
.how-aside { margin-top: 18px; padding-left: 16px; border-left: 2px solid var(--border); font-size: .98rem !important; color: var(--muted) !important; }
.how-shot-mobile { display: none; }
.how-sticky { position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h)); display: flex; align-items: center; justify-content: center; }
.how-live, .screens-desc, .car-dots { display: none; }
.how-sticky .phone { --pw: clamp(220px, min(25vw, calc((100vh - var(--nav-h) - 60px) * .45)), 330px); }

/* --- qué entiende */
.say { background: linear-gradient(var(--bg), var(--bg-2) 30%, var(--bg-2) 70%, var(--bg)); }
.say-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.say-list { display: flex; flex-direction: column; gap: 8px; }
.say-opt { position: relative; text-align: left; padding: 14px 18px; border-radius: 16px; border: 1px solid transparent; color: var(--text-2); font-size: 1.02rem; font-weight: 500; transition: color .25s, background-color .25s, border-color .25s, transform .4s var(--ease); }
.say-opt:hover { color: var(--text); background: rgba(255,255,255,.03); transform: translateX(4px); }
.say-opt.clone { display: none; }
.say-opt[aria-selected="true"] { color: var(--text); background: var(--surface); border-color: var(--border); }
.say-opt[aria-selected="true"]::before { content: ''; position: absolute; left: -1px; top: 14px; bottom: 14px; width: 3px; border-radius: 3px; background: var(--accent); }
.say-out { position: sticky; top: calc(var(--nav-h) + 24px); padding: clamp(22px, 3vw, 36px); border-radius: 28px; background: var(--surface); border: 1px solid var(--border); box-shadow: inset 0 1px 0 rgba(255,255,255,.035), 0 30px 80px -20px rgba(0,0,0,.6); overflow: hidden; }
.say-voice { display: flex; align-items: flex-start; gap: 16px; min-height: 96px; }
.say-wave { flex: none; width: 52px; height: 44px; border-radius: 14px; background: var(--grad); display: flex; align-items: center; justify-content: center; gap: 3px; }
.say-wave i { width: 4px; height: 20%; border-radius: 3px; background: var(--on-accent); transition: height .12s; }
.say-quote { font-family: var(--display); font-size: clamp(1.25rem, 2.2vw, 1.65rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; min-height: 2.5em; }
.say-quote .caret { display: inline-block; width: 2px; height: 1em; vertical-align: -.12em; margin-left: 2px; background: var(--accent); animation: blink .9s steps(1) infinite; }
.say-arrow { display: flex; justify-content: center; margin: 14px 0; color: var(--faint); }
.say-arrow svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.say-result { display: grid; gap: 12px; min-height: 170px; }
.res { padding: 20px 22px; border-radius: 20px; background: var(--bg-2); border: 1px solid var(--border); opacity: 0; transform: translateY(16px) scale(.98); transition: opacity .5s var(--ease), transform .6s var(--ease); }
.res.show { opacity: 1; transform: none; }
.res.wait { display: grid; gap: 12px; }
.wait-status { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: .92rem; font-weight: 600; }
.wait-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: dot 1s var(--ease) infinite; }
.wait-status i:nth-child(2) { animation-delay: .15s; } .wait-status i:nth-child(3) { animation-delay: .3s; margin-right: 4px; }
.sk { display: block; border-radius: 10px; background: linear-gradient(90deg, var(--surface-2) 0%, #262b37 45%, var(--surface-2) 90%); background-size: 220% 100%; animation: shimmer 1.3s linear infinite; }
.sk-pill { width: 70px; height: 24px; border-radius: 999px; }
.sk-amt { width: 46%; height: 40px; }
.sk-line { width: 34%; height: 14px; }
@keyframes shimmer { from { background-position: 120% 0; } to { background-position: -120% 0; } }
.res-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.res-kind { font-size: .82rem; font-weight: 650; padding: 4px 12px; border-radius: 999px; background: rgba(255,122,107,.12); color: var(--bad); }
.res-kind.in { background: rgba(var(--accent-rgb), .13); color: var(--accent); }
.res-kind.debt { background: rgba(174,182,196,.12); color: var(--text-2); }
.res-kind.none { background: rgba(255,255,255,.05); color: var(--muted); }
.res-kind.doubt { background: rgba(245,200,106,.13); color: var(--amber); }
.res-amt { font-family: var(--display); font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 700; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; line-height: 1.1; margin-top: 10px; }
.res-amt.out { color: var(--text); }
.res-amt.in { color: var(--accent); }
.res-amt.empty { color: var(--amber); }
.res-cat { color: var(--text-2); font-size: .98rem; margin-top: 2px; }
.res-note { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); color: var(--text-2); font-size: .95rem; }
.res-note b { color: var(--accent); font-weight: 650; }
.res-note b.owe { color: var(--text); }
.say-auto { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: transparent; }
.say-auto span { display: block; height: 100%; background: rgba(var(--accent-rgb), .5); transform-origin: 0 50%; transform: scaleX(0); }

.slang { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px; margin-top: clamp(56px, 8vw, 96px); }
.slang-item { display: flex; align-items: baseline; gap: 14px; font-family: var(--display); }
.slang-word { font-size: clamp(1.3rem, 2.4vw, 1.9rem); font-weight: 600; color: var(--text-2); letter-spacing: -0.02em; }
.slang-eq { color: var(--faint); font-size: 1.4rem; }
.slang-num { font-size: clamp(1.3rem, 2.4vw, 1.9rem); font-weight: 750; color: var(--accent); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }

/* --- deudas */
.debts-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.debts .sec-head { margin-bottom: 40px; }
.split-demo { padding: 26px; border-radius: 24px; background: var(--surface); border: 1px solid var(--border); box-shadow: inset 0 1px 0 rgba(255,255,255,.035); }
.split-quote { font-family: var(--display); font-weight: 600; font-size: 1.2rem; letter-spacing: -0.015em; }
.split-bar { display: flex; height: 54px; margin: 22px 0 18px; border-radius: 14px; overflow: hidden; background: var(--bg-2); }
.split-bar > span { display: flex; align-items: center; padding: 0 14px; font-size: .88rem; overflow: hidden; white-space: nowrap; }
.split-you { width: 0; justify-content: center; background: var(--grad); color: var(--on-accent); transition: width 1.2s var(--ease) .3s; }
.split-him { flex: 0 0 0; width: 0; background: repeating-linear-gradient(-45deg, #2a303d 0 8px, #232834 8px 16px); color: var(--text); transition: flex-basis 1.2s var(--ease) .9s; justify-content: flex-end; }
.split-demo.in .split-you { width: max(var(--w), 56px); }
.split-demo.in .split-him { flex-basis: calc(100% - 12.5%); flex-grow: 1; }
.split-legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.split-legend small { display: block; color: var(--muted); font-size: .85rem; }
.split-legend strong { font-family: var(--display); font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.split-legend div:nth-child(2) strong { color: var(--accent); }
.split-note { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--text-2); font-size: .95rem; }
.debts-points { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 18px; }
.debts-points li { color: var(--text-2); padding-left: 26px; position: relative; }
.debts-points li::before { content: ''; position: absolute; left: 0; top: .62em; width: 10px; height: 10px; border-radius: 3px; background: var(--accent); transform: rotate(45deg); }
.debts-points strong { color: var(--text); font-weight: 650; }
.debts-visual { position: relative; display: flex; justify-content: center; perspective: 1400px; }
.phone-tilted { transform: rotateY(-14deg) rotateX(6deg) rotateZ(2deg); }
@keyframes blink { 50% { opacity: 0; } }
.ask-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: dot 1s var(--ease) infinite; }
.ask-typing i:nth-child(2) { animation-delay: .15s; }
.ask-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 0%, 100% { opacity: .3; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

/* --- pantallas */
.screens-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.screens-tabs { display: flex; flex-direction: column; gap: 8px; }
.screens-tabs button { text-align: left; padding: 20px 22px 18px; border-radius: 20px; border: 1px solid transparent; position: relative; transition: background-color .3s, border-color .3s; }
.screens-tabs button:hover { background: rgba(255,255,255,.025); }
.screens-tabs button[aria-selected="true"] { background: var(--surface); border-color: var(--border); }
.st-name { display: block; font-family: var(--display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.025em; color: var(--muted); transition: color .3s; }
.screens-tabs button[aria-selected="true"] .st-name { color: var(--text); }
.st-desc { display: block; max-height: 0; color: var(--text-2); font-size: 1rem; transition: max-height .5s var(--ease), opacity .4s, margin .4s; opacity: 0; overflow: hidden; }
.screens-tabs button[aria-selected="true"] .st-desc { max-height: 7em; opacity: 1; margin-top: 6px; }
.st-bar { display: none; height: 2px; margin-top: 14px; background: var(--border-soft); border-radius: 2px; overflow: hidden; opacity: 0; }
.screens-tabs button[aria-selected="true"] .st-bar { display: block; opacity: 1; }
.st-bar i { display: block; height: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); }
.screens-stage { position: relative; display: flex; justify-content: center; align-items: center; min-height: 620px; }
.screens-orbit { position: absolute; width: min(560px, 100%); aspect-ratio: 1; border-radius: 50%; border: 1px dashed rgba(255,255,255,.07); animation: spin 60s linear infinite; }
.screens-orbit::before, .screens-orbit::after { content: ''; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px var(--accent); top: -5px; left: 50%; }
.screens-orbit::after { top: auto; bottom: 14%; left: 6%; width: 6px; height: 6px; background: var(--bad); box-shadow: 0 0 14px var(--bad); }
.screens-stage::before { content: ''; position: absolute; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, rgba(var(--accent-rgb), .14), transparent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- propone, no decide */
.never-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.never-card { display: grid; grid-row: span 3; grid-template-rows: subgrid; row-gap: 0; padding: 22px 22px 28px; border-radius: 26px; border: 1px solid var(--border); background: linear-gradient(180deg, var(--surface), var(--bg-2)); }
.never-card:nth-child(2) { --rd: .1s; } .never-card:nth-child(3) { --rd: .2s; }
.never-card h3 { margin: 26px 0 10px; font-size: 1.5rem; }
.never-card p { color: var(--text-2); font-size: .98rem; }
.nv-visual { min-height: 236px; border-radius: 18px; background: var(--bg); border: 1px solid var(--border-soft); padding: 22px; display: flex; flex-direction: column; justify-content: center; gap: 14px; overflow: hidden; }
.nv-amount { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-size: 2.4rem; font-weight: 700; }
.nv-sign { color: var(--muted); font-size: .7em; }
.nv-empty { width: 120px; height: 44px; border-radius: 10px; border: 2px dashed var(--amber); background: rgba(245,200,106,.07); animation: pulseAmber 2.4s ease-in-out infinite; }
@keyframes pulseAmber { 50% { box-shadow: 0 0 0 6px rgba(245,200,106,.08); } }
.nv-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: .82rem; color: var(--text-2); border: 1px solid var(--border); border-radius: 999px; padding: 2px 11px; }
.chip.warn { color: var(--amber); border-color: rgba(245,200,106,.4); }
.nv-said { font-style: italic; color: var(--muted); font-size: .9rem; }
.nv-q { font-weight: 650; }
.nv-pay { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nv-pay span { text-align: center; padding: 9px 4px; border-radius: 12px; border: 1px solid var(--border); color: var(--text-2); font-size: .9rem; transition: all .35s var(--ease); }
.nv-pay span.on { background: rgba(var(--accent-rgb), .13); border-color: rgba(var(--accent-rgb), .55); color: var(--accent); }
.nv-lock { text-align: center; padding: 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: .88rem; font-weight: 600; transition: all .4s var(--ease); }
.nv-lock.ok { background: var(--grad); color: var(--on-accent); }
.nv-suggest { display: flex; flex-direction: column; gap: 8px; padding: 12px 14px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); }
.nv-cat { font-size: .82rem; color: var(--muted); }
.nv-btn { align-self: flex-start; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(var(--accent-rgb), .45); color: var(--accent); font-size: .9rem; font-weight: 600; animation: nudge 3s var(--ease) infinite; }
.nv-suggest + .nv-suggest .nv-btn { animation-delay: 1.5s; }
@keyframes nudge { 0%, 70%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); } 80% { box-shadow: 0 0 0 6px rgba(var(--accent-rgb), .15); } }

/* --- bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; grid-auto-flow: dense; }
.tile { grid-column: span 2; padding: 22px 22px 26px; border-radius: 26px; border: 1px solid var(--border); background: var(--surface); box-shadow: inset 0 1px 0 rgba(255,255,255,.035); position: relative; overflow: hidden; }
.tile::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(420px circle at var(--gx, 50%) var(--gy, -20%), rgba(var(--accent-rgb), .07), transparent 60%); opacity: 0; transition: opacity .4s; }
.tile:hover::before { opacity: 1; }
.t-offline { grid-column: span 4; }
.t-ask { grid-column: span 2; }
.t-cats { grid-column: span 4; }
.t-private { grid-column: span 6; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); column-gap: 36px; align-items: center; }
.t-private .tile-visual { grid-row: span 2; }
.t-private h3 { margin-top: 0; align-self: end; }
.t-private p { align-self: start; }
.tile h3 { margin: 22px 0 8px; }
.tile p { color: var(--text-2); font-size: .97rem; max-width: 38em; }
.tile-visual { min-height: 170px; border-radius: 18px; background: var(--bg); border: 1px solid var(--border-soft); position: relative; overflow: hidden; }
.bento .reveal:nth-child(2n) { --rd: .08s; }

.offline-vis { padding: 16px 18px 12px; display: flex; flex-direction: column; gap: 8px; }
.ov-signal { position: absolute; right: 18px; top: 18px; display: flex; align-items: flex-end; gap: 3px; height: 18px; }
.ov-signal i { width: 4px; border-radius: 2px; background: var(--faint); transition: background .4s; }
.ov-signal i:nth-child(1) { height: 25%; } .ov-signal i:nth-child(2) { height: 50%; } .ov-signal i:nth-child(3) { height: 75%; } .ov-signal i:nth-child(4) { height: 100%; }
.online .ov-signal i { background: var(--accent); }
.ov-x { position: absolute; right: -8px; top: -8px; width: 10px; height: 10px; border-radius: 50%; background: var(--bad); transition: transform .3s var(--ease); }
.online .ov-x { transform: scale(0); }
.ov-rows { display: grid; gap: 7px; width: 72%; }
.ov-row { display: flex; align-items: center; gap: 10px; padding: 5px 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); font-size: .88rem; }
.ov-row b { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; }
.ov-row em { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); transition: background .4s; }
.ov-row.synced em { background: var(--accent); }
.ov-status { margin-top: auto; font-size: .82rem; color: var(--muted); }

.cap-vis { padding: 30px 26px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.cap-head { display: flex; justify-content: space-between; align-items: baseline; color: var(--text-2); font-size: .95rem; }
.cap-head b { font-family: var(--display); font-size: 1.5rem; color: var(--text); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.cap-bar { height: 10px; border-radius: 10px; background: var(--surface-2); overflow: hidden; }
.cap-bar span { display: block; height: 100%; width: 53%; border-radius: inherit; background: var(--bad); transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.6s var(--ease) .3s; }
.t-cap.in .cap-bar span { transform: scaleX(1); }
.cap-vis p { color: var(--muted); font-size: .88rem; }

.ask-vis { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.ask-msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; font-size: .9rem; line-height: 1.45; }
.ask-msg.me { align-self: flex-end; background: var(--grad); color: var(--on-accent); border-bottom-right-radius: 4px; font-weight: 550; }
.ask-msg.it { display: grid; align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; color: var(--text); min-height: 40px; }
.ask-typing { display: inline-flex; gap: 4px; align-items: center; padding: 6px 0; font-size: 14px; }
.ask-typing.hide { display: none; }
.ask-ghost, .ask-live { grid-area: 1 / 1; }
.ask-ghost { visibility: hidden; }
.ask-text b { color: var(--bad); font-weight: 650; }

.cats-vis { display: flex; flex-wrap: wrap; align-content: center; gap: 8px; padding: 18px; }
.cats-vis span { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: .86rem; opacity: 0; transform: scale(.7); transition: opacity .4s var(--ease), transform .5s var(--ease), border-color .3s, color .3s; }
.cats-vis.in span { opacity: 1; transform: none; }
.cats-vis span.in-k { color: var(--accent); border-color: rgba(var(--accent-rgb), .35); }
.cats-vis span.hl { border-color: var(--text-2); color: var(--text); }

.export-vis { display: flex; align-items: center; justify-content: center; gap: 0; }
.doc { width: 92px; height: 116px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border); padding: 14px 12px; display: flex; flex-direction: column; gap: 7px; position: relative; transition: transform .6s var(--ease); }
.doc span { position: absolute; bottom: 10px; right: 10px; font-size: .78rem; font-weight: 700; color: var(--accent); }
.doc i { height: 6px; border-radius: 4px; background: #2d3340; }
.doc-xlsx i:nth-child(odd) { width: 70%; }
.doc-pdf span { color: var(--bad); }
.doc-xlsx { transform: rotate(-8deg) translateX(14px); z-index: 2; }
.doc-pdf { transform: rotate(7deg) translateX(-14px); }
.t-export:hover .doc-xlsx { transform: rotate(-14deg) translate(-6px, -6px); }
.t-export:hover .doc-pdf { transform: rotate(12deg) translate(6px, -4px); }

.theme-vis { display: flex; align-items: center; justify-content: center; gap: 22px; }
.theme-switch { width: 56px; height: 32px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); position: relative; flex: none; }
.theme-switch span { position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: var(--text); transition: transform .45s var(--ease); }
.theme-switch[aria-pressed="true"] span { transform: translateX(24px); background: var(--accent); }
.theme-card { width: 170px; padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); transition: background-color .5s, border-color .5s, color .5s; }
.theme-card small { display: block; color: var(--muted); font-size: .74rem; transition: color .5s; }
.theme-card b { display: block; font-size: 1.3rem; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.theme-card .g { font-size: .78rem; color: var(--accent); transition: color .5s; }
.theme-card.light { background: #f6f7f9; border-color: #dfe3ea; color: #12151c; }
.theme-card.light small { color: #5c6577; }
.theme-card.light .g { color: #128a3d; }

.private-vis { display: grid; place-items: center; }
.pv-lock { width: 74px; height: 74px; border-radius: 22px; background: rgba(var(--accent-rgb), .1); border: 1px solid rgba(var(--accent-rgb), .3); display: grid; place-items: center; position: relative; }
.pv-lock::before, .pv-lock::after { content: ''; position: absolute; inset: -1px; border-radius: inherit; border: 1px solid rgba(var(--accent-rgb), .3); animation: radar 3s var(--ease) infinite; }
.pv-lock::after { animation-delay: 1.5s; }
@keyframes radar { from { transform: scale(1); opacity: 1; } to { transform: scale(2.2); opacity: 0; } }
.pv-lock svg { width: 34px; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; }

.haptic-vis { display: grid; place-items: center; }
.hv-phone { width: 60px; height: 110px; border-radius: 14px; border: 2px solid #3a4150; position: relative; animation: buzz 3s infinite; }
.hv-phone span { position: absolute; left: 50%; bottom: 12px; width: 22px; height: 22px; margin-left: -11px; border-radius: 50%; background: var(--grad); }
.hv-phone::before, .hv-phone::after { content: ''; position: absolute; top: 30%; width: 10px; height: 40%; border: 2px solid transparent; border-radius: 50%; animation: wave 3s infinite; }
.hv-phone::before { left: -18px; border-left-color: var(--accent); }
.hv-phone::after { right: -18px; border-right-color: var(--accent); }
@keyframes buzz { 0%, 8%, 100% { transform: none; } 2% { transform: translateX(-3px) rotate(-3deg); } 4% { transform: translateX(3px) rotate(3deg); } 6% { transform: translateX(-2px) rotate(-1deg); } }
@keyframes wave { 0%, 12%, 100% { opacity: 0; } 2%, 7% { opacity: 1; } }

/* --- video */
.film-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.film-copy p { color: var(--text-2); font-size: 1.15rem; margin: 20px 0 30px; max-width: 26em; }
.film-copy .btn svg { width: 22px; }
/* El logo de Google Play va con sus colores: no hereda el trazo de los íconos de los botones. */
.btn svg.gplay { stroke: none; }
.film-copy .snd-on { display: none; }
#filmSound[aria-pressed="true"] .snd-on { display: block; }
#filmSound[aria-pressed="true"] .snd-off { display: none; }
.film-stage { display: flex; justify-content: center; }
.phone-film { aspect-ratio: 9 / 16; --pw: clamp(260px, 27vw, 340px); }

/* --- faq */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.faq .sec-head { position: sticky; top: calc(var(--nav-h) + 24px); }
.faq-list { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 4px; font-family: var(--display); font-size: clamp(1.15rem, 1.8vw, 1.35rem); font-weight: 600; letter-spacing: -0.02em; transition: color .2s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent-2); }
.faq summary::after { content: ''; flex: none; width: 14px; height: 14px; background: linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat, linear-gradient(currentColor, currentColor) center / 2px 100% no-repeat; transition: transform .45s var(--ease); color: var(--muted); }
.faq details[open] summary::after { transform: rotate(135deg); color: var(--accent); }
.faq-a { overflow: hidden; }
.faq-a p { padding: 0 4px 26px; color: var(--text-2); max-width: 40em; }
.faq-a a { color: var(--accent-2); text-underline-offset: 3px; }

/* --- cta final */
.final { padding-block: clamp(110px, 16vw, 200px); text-align: center; overflow: hidden; }
.final-glow { position: absolute; left: 50%; top: 50%; width: 900px; height: 700px; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(var(--accent-rgb), .16), transparent); pointer-events: none; }
.final-inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.final-logo svg { width: 120px; height: auto; filter: drop-shadow(0 20px 50px rgba(var(--accent-rgb), .45)); }
.final-bars rect { transform-box: fill-box; transform-origin: center; animation: talk 1.4s ease-in-out infinite; }
.final-bars rect:nth-child(2) { animation-delay: -.2s; } .final-bars rect:nth-child(3) { animation-delay: -.45s; }
.final-bars rect:nth-child(4) { animation-delay: -.7s; } .final-bars rect:nth-child(5) { animation-delay: -.9s; }
@keyframes talk { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(.55); } }
.final-title { font-size: clamp(2.8rem, 8vw, 6.4rem); font-weight: 800; letter-spacing: -0.035em; line-height: .95; margin: 36px 0 24px; --rd: .1s; }
.final-lead { color: var(--text-2); font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 30em; --rd: .2s; }
.final-ctas { margin-top: 40px; --rd: .3s; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* --- pie */
.foot { border-top: 1px solid var(--border-soft); padding: 36px 0 calc(36px + env(safe-area-inset-bottom)); }
.foot-inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.foot .brand { font-size: 1.1rem; }
.foot .brand img { width: 28px; }
.foot p { color: var(--muted); font-size: .85rem; }
.foot nav { margin-left: auto; display: flex; gap: 22px; }
.foot nav a { color: var(--text); font-size: .95rem; font-weight: 600; }
.foot nav a:hover { color: var(--text); }

/* ================================================================ responsive */
@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-lead { margin-inline: auto; }
  .hero-ctas, .hero-facts { justify-content: center; }
  .fact { text-align: center; }
  .fact dt { justify-content: center; }
  .hero-stage { margin-top: 24px; }
  .hero-stage .phone { --pw: min(330px, 78vw); }
  .tilt { transform: none !important; }
  .scroll-cue { display: none; }

  .debts-grid, .screens-grid, .film-grid, .faq-grid { grid-template-columns: 1fr; }
  .debts-visual { margin-top: 20px; }
  .faq .sec-head { position: static; }
  .film-copy { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .screens-stage { min-height: 0; padding-block: 40px; overflow: clip; }
  .screens-stage .phone { --pw: min(300px, 72vw); }

  .never-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile, .t-offline, .t-ask, .t-cats, .t-private, .t-haptic { grid-column: span 1; }
  .t-cats, .t-private { grid-column: span 2; }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; gap: 4px; padding: 18px var(--gutter) 26px;
    background: rgba(10, 11, 15, .97); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-soft);
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), transform .45s var(--ease), visibility .35s;
  }
  .nav-open .nav-links { opacity: 1; transform: none; visibility: visible; }
  .nav-open .nav { background: rgba(10, 11, 15, .97); }
  .nav-links a:not(.btn) { padding: 14px 8px; font-size: 1.15rem; border-radius: 12px; }
  .nav-cta-mobile { display: inline-flex; margin-top: 12px; height: 52px; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }

  /* tres pasos: el celular y el texto quedan fijos; el scroll sólo cambia de paso */
  .how { padding-bottom: 40px; }
  .how .sec-head { margin-bottom: 28px; }
  .how-grid { grid-template-columns: 1fr; }
  .how-steps, .how-sticky { grid-area: 1 / 1; }
  .how-steps { padding: 0 0 60svh; }
  .how-progress { display: none; }
  .how-step { min-height: 60svh; opacity: 0 !important; pointer-events: none; }
  .how-sticky { position: sticky; top: var(--nav-h); height: calc(100svh - var(--nav-h)); display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 16px; padding-top: 14px; }
  .how-live { display: block; width: 100%; height: 205px; text-align: center; transition: opacity .35s var(--ease), transform .45s var(--ease); }
  .how-live.swap { opacity: 0; transform: translateY(10px); }
  .how-dots { display: flex; justify-content: center; gap: 6px; margin-bottom: 14px; }
  .how-dots i { width: 22px; height: 4px; border-radius: 4px; background: var(--border); transition: background .4s, width .4s var(--ease); }
  .how-dots i.on { width: 40px; background: var(--accent); }
  .how-live h3 { font-size: 1.55rem; letter-spacing: -0.03em; margin-bottom: 10px; }
  .how-live p { color: var(--text-2); font-size: .95rem; line-height: 1.55; max-width: 32em; margin: 0 auto; }
  .how-sticky .phone { --pw: clamp(190px, min(60vw, calc((100svh - var(--nav-h) - 270px) * .45)), 300px); }

  .say-grid { grid-template-columns: 1fr; }
  .say-out { position: relative; top: 0; order: -1; }
  .say-opt.clone { display: block; }
  .say-list { position: relative; flex-direction: row; overflow-x: auto; gap: 8px; padding-bottom: 6px; scroll-snap-type: x mandatory; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }
  .say-list::-webkit-scrollbar { display: none; }
  .say-opt { flex: none; max-width: 78vw; white-space: normal; border-color: var(--border); background: var(--bg); scroll-snap-align: center; font-size: .95rem; }
  .say-opt:hover { transform: none; }
  .say-opt[aria-selected="true"] { border-color: rgba(var(--accent-rgb), .55); }
  .say-opt[aria-selected="true"]::before { display: none; }

  /* cuatro pantallas: pestañas arriba, la descripción y el celular abajo, todo junto */
  .screens .sec-head { margin-bottom: 28px; }
  .screens-grid { gap: 0; }
  .screens-tabs { flex-direction: row; gap: 6px; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding: 2px var(--gutter) 4px; }
  .screens-tabs::-webkit-scrollbar { display: none; }
  .screens-tabs button { flex: none; padding: 9px 15px 11px; border-radius: 999px; border: 1px solid var(--border); background: transparent; }
  .screens-tabs button:first-child { margin-left: auto; }
  .screens-tabs button:last-child { margin-right: auto; }
  .screens-tabs button[aria-selected="true"] { background: var(--surface); border-color: rgba(var(--accent-rgb), .5); }
  .st-name { font-family: var(--body); font-size: .92rem !important; font-weight: 650; letter-spacing: 0; }
  .st-desc { display: none; }
  .screens-tabs button { position: relative; overflow: hidden; isolation: isolate; }
  .st-bar { position: absolute; inset: 0; height: auto; margin: 0; border-radius: inherit; background: transparent; z-index: -1; }
  .st-bar i { background: rgba(var(--accent-rgb), .14); }
  .screens-desc { display: block; text-align: center; color: var(--text-2); font-size: .95rem; min-height: 3.2em; max-width: 30em; margin: 16px auto 0; transition: opacity .3s; }
  .screens-desc.swap { opacity: 0; }
  .screens-stage { padding-block: 20px 0; touch-action: pan-y; }
  .screens-stage .phone { --pw: min(250px, 64vw); }

  /* propone y lo que no se ve: carruseles que se deslizan de costado */
  .carousel { display: flex !important; grid-template-columns: none; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding: 4px var(--gutter) 6px; max-width: none; scroll-padding-inline: var(--gutter); }
  .carousel::-webkit-scrollbar { display: none; }
  .carousel > * { flex: 0 0 84%; scroll-snap-align: center; }
  .carousel > .reveal { opacity: 1; transform: none; }
  .never-card { display: flex; flex-direction: column; grid-row: auto; }
  .never-card h3 { margin-top: 20px; }
  .bento .t-export, .bento .t-haptic { display: none; }
  .bento { align-items: flex-start; }
  .bento .tile-visual { height: 190px; min-height: 0; }
  .cats-vis { align-content: flex-start; gap: 6px; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
  .cats-vis span { font-size: .78rem; padding: 4px 10px; }
  .ask-msg { font-size: .82rem; padding: 9px 12px; }
  .bento .ask-vis { height: auto; min-height: 190px; }
  .theme-vis { gap: 14px; padding: 0 14px; }
  .theme-card { width: auto; flex: 1; max-width: 170px; }
  .theme-card b { font-size: 1.15rem; }
  .cap-vis { padding: 24px 20px; }
  .cap-head { gap: 12px; }
  .cap-head span { white-space: nowrap; }
  .cap-head b { font-size: 1.3rem; white-space: nowrap; }
  .tile, .t-cats, .t-private { grid-column: auto; }
  .t-private { display: block; }
  .t-private h3 { margin-top: 22px; }
  .car-dots { display: flex; justify-content: center; gap: 6px; margin-top: 18px; }
  .car-dots button { width: 8px; height: 8px; border-radius: 8px; background: var(--border); transition: width .35s var(--ease), background .35s; }
  .car-dots button[aria-current="true"] { width: 24px; background: var(--accent); }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding-top: calc(var(--nav-h) + 28px); }
  .hero-title { font-size: clamp(3.8rem, 17.5vw, 5.2rem); margin: 18px 0 20px; }
  .hero-lead { font-size: .97rem; line-height: 1.55; }
  .hero-ctas { width: 100%; flex-direction: column; align-items: center; gap: 10px; margin-top: 28px; }
  .hero-ctas .btn { width: min(100%, 290px); height: 48px; padding: 0 20px; font-size: .95rem; }
  .fact { padding-right: 20px; }
  .fact + .fact { padding-left: 20px; }
  .fact b { font-size: 2.1rem; }
  .fact small { font-size: .9rem; }
  .fact dd { font-size: .84rem; }
  .toast { font-size: .8rem; padding: 10px 12px; }
  .toast b { font-size: 1.1rem; }
  .toast-a { left: -2%; top: 12%; }
  .toast-b { right: -2%; bottom: 14%; }

  .split-demo { padding: 20px; }
  .split-legend { grid-template-columns: 1fr 1fr; }
  .split-legend .owe { grid-column: span 2; }
  .screens-tabs button { padding: 16px 18px; }
  .st-name { font-size: 1.3rem; }
  .foot-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .foot nav { margin-left: 0; }
  .final-ctas .btn { height: 50px; padding: 0 24px; font-size: .98rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .grain { animation: none; }
  .reveal, .reveal-load { opacity: 1; transform: none; filter: none; }
  .hero-title .word { transform: none; }
}
