/* Layout: la familia de roomtability.com. Portadas negras, secciones claras y negras alternas, etiquetas mono «[01] … / …»,
   menú en píldora blanca flotante con megamenús claros. Un solo look: los colores se fijan aquí, sin tema oscuro aparte. */
:root {
  --night: #0a0a0a; --night-2: #0f1014; --night-3: #15161b; --paper: #fffffc; --off: #f6f5ef; --ink: #0a0a0a; --mut: #62625c; --line: #e9e7df;
  --line-d: rgba(255,255,255,.12); --mut-d: #a3a3a0;
  --grad: linear-gradient(90deg, #8E53FC, #C672A6, #FE904F);
  --grad-card: linear-gradient(135deg, #9a63ff, #c47bb8 52%, #f3a072);
  --sans: "Hanken Grotesk", "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: "Fragment Mono", ui-monospace, Menlo, monospace;
  --gut-l: max(16px, env(safe-area-inset-left, 0px)); --gut-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--night); }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
button { font: inherit; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid #8E53FC; outline-offset: 3px; }
main:focus { outline: none; }
.wrap { max-width: 1240px; margin: 0 auto; padding-left: var(--gut-l); padding-right: var(--gut-r); }
.g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ic { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.gr { stroke: url(#ig); }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; text-align: center; gap: 10px; padding: 15px 24px; border-radius: 999px; border: 1px solid transparent; font: 500 16px/1 var(--sans); cursor: pointer; transition: transform .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-grad { background: var(--grad); color: #fff; }
.btn-white { background: #fff; color: var(--ink); }
.btn-glass { background: rgba(255,255,255,.07); color: #fff; border-color: var(--line-d); }
.btn-ink { background: var(--ink); color: #fff; }
.ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* menú */
.nav { position: fixed; z-index: 40; top: calc(14px + env(safe-area-inset-top, 0px)); left: var(--gut-l); right: var(--gut-r); max-width: 1208px; margin: 0 auto; display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 16px; background: #fff; border-radius: 999px; box-shadow: 0 10px 34px -14px rgba(0,0,0,.35), 0 0 0 1px rgba(10,10,10,.05); }
.logo { display: flex; align-items: center; margin-right: 18px; }
.logo svg { display: block; width: auto; height: 27px; }
.nav-items { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.ni { position: relative; }
.nl { display: inline-flex; align-items: center; gap: 6px; padding: 10px 13px; border: 0; background: none; border-radius: 999px; font: 500 15px/1 var(--sans); cursor: pointer; white-space: nowrap; }
.nl:hover, .nl[aria-expanded="true"] { background: var(--off); }
.nl.on::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--grad); }
.nl .ic { font-size: 13px; transition: transform .2s; }
.nl[aria-expanded="true"] .ic { transform: rotate(180deg); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 13px 18px; border-radius: 999px; background: var(--ink); color: #fff; font: 400 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.burger { display: none; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--off); cursor: pointer; place-items: center; font-size: 20px; }
.mega { position: absolute; top: calc(100% + 17px); left: 0; width: 700px; max-width: calc(100vw - 32px); padding: 12px; background: #fbfaf6; border-radius: 14px; box-shadow: 0 30px 60px -22px rgba(0,0,0,.4), 0 0 0 1px rgba(10,10,10,.06); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 8px; }
.mega[hidden] { display: none; }
.mega.one { width: 340px; grid-template-columns: minmax(0, 1fr); }
.mi { display: block; padding: 11px 13px; border-radius: 9px; }
.mi:hover, .mi:focus-visible { background: #f0eee5; }
.mi b { display: block; font-weight: 500; font-size: 15.5px; line-height: 1.3; }
.mi span { display: block; margin-top: 3px; font-size: 13.5px; line-height: 1.4; color: var(--mut); }
.mi-ic { display: flex; align-items: flex-start; gap: 12px; }
.mi-i { flex: none; display: grid; place-items: center; width: 36px; height: 36px; margin-top: 1px; border-radius: 10px; background: linear-gradient(135deg, #8E53FC, #C672A6 55%, #FE904F); color: #fff; font-size: 18px; transition: transform .2s ease; }
.mi-ic:hover .mi-i, .mi-ic:focus-visible .mi-i { transform: scale(1.08); }
.mi-t { display: block; min-width: 0; margin: 0 !important; }
.mg { font: 400 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mut); padding: 13px 13px 5px; }
.mg { margin: 10px 13px 6px; padding: 0 0 8px; border-bottom: 1px solid #dcd9cd; }
.mcol { display: grid; gap: 2px; align-content: start; }
.mnav { position: fixed; z-index: 39; top: calc(76px + env(safe-area-inset-top, 0px)); left: var(--gut-l); right: var(--gut-r); max-height: calc(100dvh - 92px - env(safe-area-inset-top, 0px)); overflow: auto; padding: 8px; background: #fbfaf6; border-radius: 18px; box-shadow: 0 30px 60px -22px rgba(0,0,0,.5); }
.mnav summary { display: flex; justify-content: space-between; align-items: center; padding: 14px; font-weight: 500; cursor: pointer; list-style: none; }
.mnav summary::-webkit-details-marker { display: none; }
.mnav details[open] summary .ic { transform: rotate(180deg); }
.mnav .mi { padding: 10px 14px; }
@media (max-width: 960px) {
  .nav-items { display: none; }
  .logo { flex: 1; margin-right: 0; }
  .burger { display: grid; }
}
@media (min-width: 961px) { .mnav { display: none; } }

/* etiquetas */
.lb { display: flex; align-items: center; gap: 16px; font: 400 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); margin-bottom: 44px; }
.lb i { flex: 1; height: 1px; background: var(--line); }
.dk .lb { color: var(--mut-d); }
.dk .lb i { background: var(--line-d); }
.sec { padding-block: 96px; }
.sec h2 { font-size: clamp(32px, 4.4vw, 56px); font-weight: 400; line-height: 1.08; letter-spacing: -.025em; max-width: 20ch; margin-bottom: 48px; }
.dk { background: var(--night); color: #fff; }
.off { background: var(--off); }
@media (max-width: 700px) { .sec { padding-block: 68px; } .lb { margin-bottom: 30px; } .sec h2 { margin-bottom: 32px; } }

/* portada de cada página */
.ph { position: relative; overflow: hidden; background: var(--night-2); color: #fff; text-align: center; padding: calc(158px + env(safe-area-inset-top, 0px)) 0 72px; }
.ph::before { content: ""; position: absolute; inset: auto 0 -260px; height: 520px; pointer-events: none; background: radial-gradient(ellipse at 50% 50%, rgba(142,83,252,.2), rgba(198,114,166,.08) 42%, transparent 68%); }
.ph:has(+ .stage)::before { display: none; }
.ph .wrap { position: relative; }
.kick { font: 400 12.5px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #c9c9c5; }
.ph h1 { font-size: clamp(36px, 5.4vw, 70px); font-weight: 500; line-height: 1.06; letter-spacing: -.03em; max-width: 21ch; margin: 22px auto 0; }
.ph .sub { max-width: 62ch; margin: 22px auto 0; font-size: 18.5px; color: #c4c4c0; }
.ph .ctas { margin-top: 34px; }
.incl { margin-top: 26px; font: 400 12px/1.5 var(--mono); letter-spacing: .04em; color: var(--mut-d); }

/* [01] reto */
.reto { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reto > div { padding: 4px 34px; border-left: 1px solid var(--line); }
.reto > div:first-child { padding-left: 0; border-left: 0; }
.reto h3 { font-size: 23px; font-weight: 500; line-height: 1.2; letter-spacing: -.01em; }
.reto p { margin-top: 12px; color: var(--mut); font-size: 16px; }
@media (max-width: 800px) {
  .reto { grid-template-columns: minmax(0, 1fr); }
  .reto > div, .reto > div:first-child { padding: 24px 0; border-left: 0; border-top: 1px solid var(--line); }
}

/* [02] pasos */
.st { display: grid; grid-template-columns: 112px minmax(0, 1fr) minmax(0, 1fr); gap: 16px 28px; align-items: center; padding-block: 26px; border-top: 1px solid #e3e1d7; }
.st:last-child { border-bottom: 1px solid #e3e1d7; }
.st .n { font-size: 74px; font-weight: 300; line-height: 1; letter-spacing: -.04em; -webkit-background-clip: text; background-clip: text; color: transparent; }
.st h3 { font-size: 25px; font-weight: 500; letter-spacing: -.015em; line-height: 1.2; }
.st p { color: var(--mut); }
@media (max-width: 800px) { .st { grid-template-columns: 78px minmax(0, 1fr); } .st .n { font-size: 52px; } .st p { grid-column: 2; } }

/* [03] funciones */
.fcs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.fc { padding: 26px; border: 1px solid var(--line-d); border-radius: 8px; background: var(--night-3); }
.fc-top { display: flex; justify-content: space-between; align-items: center; font: 400 12.5px/1 var(--mono); color: var(--mut-d); margin-bottom: 30px; }
.fc-top .ic { font-size: 28px; }
.fc h3 { font-size: 20px; font-weight: 500; line-height: 1.25; letter-spacing: -.01em; }
.fc p { margin-top: 10px; font-size: 15px; color: var(--mut-d); }
@media (max-width: 960px) { .fcs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .fcs { grid-template-columns: minmax(0, 1fr); } }

/* chat de ejemplo */
.try { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px 64px; align-items: start; }
.try h2 { margin-bottom: 14px; }
.try .note { color: var(--mut); }
.qs { display: grid; gap: 8px; margin-top: 26px; }
.q { text-align: left; padding: 14px 18px; border-radius: 12px; border: 1px solid #dfddd2; background: #fff; font-size: 15.5px; line-height: 1.35; cursor: pointer; }
.q:hover { border-color: #b9b7ac; }
.q[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.win { background: #fff; border: 1px solid #e3e1d7; border-radius: 14px; overflow: hidden; box-shadow: 0 30px 60px -44px rgba(0,0,0,.45); }
.win-bar { display: flex; align-items: center; gap: 9px; padding: 13px 16px; border-bottom: 1px solid var(--line); font: 400 12px/1 var(--mono); color: var(--mut); }
.win-bar svg { width: 20px; height: 20px; }
.win-bar b { color: var(--ink); font-weight: 400; }
.win-bar span { margin-left: auto; }
.msgs { display: grid; gap: 12px; align-content: start; padding: 18px; min-height: 324px; }
.mu { justify-self: end; max-width: 86%; padding: 11px 14px; border-radius: 13px 13px 3px 13px; background: var(--ink); color: #fff; font-size: 15px; line-height: 1.4; }
.ma { justify-self: start; max-width: 96%; padding: 14px 16px; border-radius: 13px 13px 13px 3px; background: var(--off); font-size: 15px; line-height: 1.45; display: grid; gap: 8px; }
.ma b { font-weight: 600; }
.ma ul { display: grid; gap: 4px; padding-left: 17px; list-style: disc; color: #3c3c38; }
.ma .src { font: 400 11.5px/1.45 var(--mono); color: var(--mut); }
.act { justify-self: start; padding: 10px 16px; border: 0; border-radius: 999px; background: var(--grad); color: #fff; font-weight: 500; font-size: 14px; line-height: 1; cursor: pointer; }
.done { font-size: 14px; font-weight: 500; color: #0b7a55; }
.typing { display: inline-flex; gap: 5px; padding: 15px 16px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #8E53FC; animation: blink 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@media (max-width: 900px) { .try { grid-template-columns: minmax(0, 1fr); } }

/* tarjetas enlazadas */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.cards.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cd { display: flex; flex-direction: column; gap: 10px; min-height: 216px; padding: 22px; border-radius: 8px; border: 1px solid var(--line); background: #fff; transition: transform .18s, border-color .18s; }
.cd:hover { transform: translateY(-3px); border-color: #c47bb8; }
.cd .ci { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--night-2); color: #fff; font-size: 21px; margin-bottom: auto; }
.cd h3 { margin-top: 22px; font-size: 20px; font-weight: 500; line-height: 1.2; letter-spacing: -.01em; }
.cd p { font-size: 14.5px; line-height: 1.45; color: var(--mut); }
.cd.gc { border: 0; background: var(--grad-card); color: #fff; }
.cd.gc p { color: rgba(255,255,255,.92); }
@media (max-width: 1040px) { .cards.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 800px) { .cards { grid-template-columns: minmax(0, 1fr); } .cd { min-height: 0; } .cd .ci { margin-bottom: 0; } .cd h3 { margin-top: 10px; } }
@media (max-width: 800px) and (min-width: 520px) { .cards.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 519px) { .cards.c4 { grid-template-columns: minmax(0, 1fr); } }

/* preguntas */
.fq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 20px 64px; }
.fq h2 { margin-bottom: 0; }
.fq details { border-top: 1px solid var(--line); padding-block: 20px; }
.fq details:last-child { border-bottom: 1px solid var(--line); }
.fq summary { display: flex; justify-content: space-between; gap: 18px; font-size: 18.5px; font-weight: 500; line-height: 1.3; cursor: pointer; list-style: none; }
.fq summary::-webkit-details-marker { display: none; }
.fq summary::after { content: "+"; font: 400 20px/1.1 var(--mono); transition: transform .2s; }
.fq details[open] summary::after { transform: rotate(45deg); }
.fq details p { margin-top: 10px; color: var(--mut); max-width: 62ch; }
@media (max-width: 860px) { .fq { grid-template-columns: minmax(0, 1fr); } }

/* cierre */
.end { position: relative; overflow: hidden; background: var(--night); color: #fff; text-align: center; padding-block: 120px; }
.end canvas, .home canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.end .wrap { position: relative; }
.end .lb { text-align: left; }
.end h2 { font-size: clamp(38px, 5.8vw, 76px); font-weight: 300; line-height: 1.05; letter-spacing: -.03em; max-width: 18ch; margin: 0 auto; }
.end p.sub { max-width: 54ch; margin: 20px auto 32px; color: #c4c4c0; }

/* inicio */
.home { position: relative; overflow: hidden; background: var(--night); color: #fff; text-align: center; padding: calc(132px + env(safe-area-inset-top, 0px)) 0 56px; }
.home .wrap { position: relative; width: 100%; }
.home h1 { font-size: clamp(44px, 7vw, 96px); font-weight: 300; line-height: 1; letter-spacing: -.04em; max-width: 13ch; margin: 24px auto 0; }
.home .sub { max-width: 58ch; margin: 26px auto 34px; font-size: 19px; color: #d3d3cf; }
.stats { margin-top: 36px; font: 400 12px/1.7 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #bdbdb9; }
.morn { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px 64px; align-items: center; }
.morn h2 { margin-bottom: 18px; }
.morn p { color: var(--mut); }
.it { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; padding: 14px; border-top: 1px solid var(--line); }
.it:first-of-type { border-top: 0; }
.d { width: 8px; height: 8px; margin-top: 8px; border-radius: 50%; background: #FE904F; }
.d.v { background: #8E53FC; } .d.r { background: #C672A6; }
.it b { display: block; font-weight: 600; }
.it p { font-size: 15px; line-height: 1.45; }
.it .acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.it .act.no { background: var(--off); color: var(--ink); }
@media (max-width: 900px) { .morn { grid-template-columns: minmax(0, 1fr); } }
.bento { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tile { padding: 26px; border: 1px solid var(--line-d); border-radius: 8px; background: var(--night-3); min-width: 0; }
.tile small { font: 400 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mut-d); }
.tile h3 { margin-top: 12px; font-size: 23px; font-weight: 500; line-height: 1.2; letter-spacing: -.015em; }
.tile .demo { margin-top: 20px; }
@media (max-width: 860px) { .bento { grid-template-columns: minmax(0, 1fr); } }
.au { display: grid; gap: 14px; }
.au > div > span { display: block; margin-bottom: 7px; font-size: 15px; }
.seg { display: flex; flex-wrap: wrap; gap: 4px; }
.seg button { padding: 8px 11px; border: 1px solid var(--line-d); border-radius: 999px; background: none; font: 400 12.5px/1 var(--sans); color: #d8d8d4; cursor: pointer; }
.seg button[aria-pressed="true"] { background: #fff; border-color: #fff; color: var(--ink); font-weight: 500; }
.out { margin-top: 16px; font: 400 12px/1.5 var(--mono); color: var(--mut-d); }
.lgs { display: flex; flex-wrap: wrap; gap: 6px; }
.lg { width: 44px; height: 36px; border: 1px solid var(--line-d); border-radius: 999px; background: none; font: 400 12px/1 var(--mono); color: #d8d8d4; cursor: pointer; }
.lg[aria-pressed="true"] { background: var(--grad); border-color: transparent; color: #fff; }
.bub { margin-top: 14px; display: grid; gap: 6px; font-size: 15.5px; }
.bub small { color: #8f8f8c; margin-top: 8px; }
.clk { font-size: 58px; font-weight: 300; line-height: 1; letter-spacing: -.04em; }
input[type="range"] { width: 100%; accent-color: #C672A6; }
.scale { display: flex; justify-content: space-between; margin-top: 6px; font: 400 10.5px/1 var(--mono); color: var(--mut-d); }
.ev { margin-top: 16px; display: grid; gap: 4px; font-size: 15px; color: var(--mut-d); }
.ev b { color: #fff; font-weight: 500; font-size: 17px; }
.areas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.areas h3 { font: 400 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); padding-bottom: 10px; border-bottom: 1px solid #dfddd2; }
.areas a { display: block; padding-block: 13px; border-bottom: 1px solid #e8e6dc; }
.areas a:hover b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.areas b { font-weight: 500; font-size: 17px; line-height: 1.25; display: block; }
.areas span { display: block; margin-top: 3px; font-size: 14px; line-height: 1.4; color: var(--mut); }
@media (max-width: 960px) { .areas { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .areas { grid-template-columns: minmax(0, 1fr); } }

/* pantallas de la app */
.shot { margin: 0; border-radius: 12px; overflow: hidden; background: #12131c; border: 1px solid rgba(255,255,255,.14); box-shadow: 0 40px 80px -36px rgba(0,0,0,.6); min-width: 0; }
.shot-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #1a1b26; font: 400 11.5px/1 var(--mono); color: #8f8f9f; }
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.16); }
.shot-bar span { margin-left: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.shot-zoom { display: block; width: 100%; }
.shot img { display: block; width: 100%; height: auto; }
.phone { margin: 0; border: 6px solid #22232d; border-radius: 30px; overflow: hidden; background: #12131c; box-shadow: 0 34px 60px -24px rgba(0,0,0,.65); }
.phone img { display: block; width: 100%; height: auto; }
.stage { background: linear-gradient(180deg, var(--night) 0, var(--night) 46%, var(--paper) 46%); padding-bottom: 28px; }
.stage.in { background: linear-gradient(180deg, var(--night-2) 0, var(--night-2) 46%, var(--paper) 46%); padding-top: 0; }
.duo { position: relative; padding-right: 7%; }
.duo .phone { position: absolute; right: 0; bottom: -18px; width: 19%; }
.cap { margin-top: 30px; text-align: center; font: 400 12px/1.5 var(--mono); color: var(--mut); }
.stage.in .cap { margin-top: 16px; }
.strip { padding-block: 26px 10px; }
.strip .stats { margin: 0 0 18px; text-align: center; color: var(--mut); }
.steps { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: 28px 44px; align-items: start; }
.step-list { display: grid; }
.stp { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 12px; padding: 22px 0 22px 14px; border: 0; border-top: 1px solid var(--line); background: none; text-align: left; cursor: pointer; }
.stp:last-child { border-bottom: 1px solid var(--line); }
.stp .n { font-size: 40px; font-weight: 300; line-height: 1; letter-spacing: -.04em; -webkit-background-clip: text; background-clip: text; color: transparent; }
.stp b { display: block; font-size: 21px; font-weight: 500; letter-spacing: -.01em; line-height: 1.2; color: #8b8b84; }
.stp > span > span { display: none; margin-top: 8px; font-size: 15.5px; color: var(--mut); }
.stp[aria-pressed="true"] { box-shadow: inset 2px 0 0 #8E53FC; }
.stp[aria-pressed="true"] b { color: var(--ink); }
.stp[aria-pressed="true"] > span > span { display: block; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 26px; }
.tb { padding: 11px 18px; border: 1px solid var(--line-d); border-radius: 999px; background: none; color: #d8d8d4; font-size: 15px; line-height: 1; cursor: pointer; }
.tb[aria-selected="true"] { background: #fff; border-color: #fff; color: var(--ink); font-weight: 500; }
.tour { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr); gap: 28px 44px; align-items: center; }
.tour h3 { font-size: 30px; font-weight: 400; line-height: 1.12; letter-spacing: -.02em; }
.ticks { display: grid; gap: 10px; margin: 20px 0 22px; font-size: 15.5px; color: #cfcfcb; }
.ticks li { padding-left: 18px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }
.more { display: inline-block; font-weight: 500; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.more.inl { font-weight: 400; }
.deps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line-d); font-size: 14.5px; color: var(--mut-d); }
.deps span { margin-right: 8px; }
.deps a { padding: 7px 13px; border: 1px solid var(--line-d); border-radius: 999px; color: #e6e6e2; }
.deps a:hover { background: rgba(255,255,255,.08); }
.pains { margin-bottom: 44px; }
.saved { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; margin-top: 26px; }
.saved h3 { font: 400 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.saved-list li { display: flex; justify-content: space-between; gap: 16px; padding-block: 13px; border-bottom: 1px solid #e8e6dc; font-size: 16px; line-height: 1.35; }
.saved-list b { flex: none; font-weight: 500; font-variant-numeric: tabular-nums; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.saved .ticks { margin: 14px 0 0; color: #3c3c38; font-size: 16px; }
.saved-total { margin-top: 30px; font-size: clamp(20px, 2.4vw, 28px); line-height: 1.3; letter-spacing: -.01em; }
.saved-total b { font-weight: 500; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (max-width: 820px) { .saved { grid-template-columns: minmax(0, 1fr); gap: 28px; } .saved-list li { flex-direction: column; gap: 2px; } }
.ctl { display: grid; grid-template-columns: minmax(0, 1fr) 236px minmax(0, 1fr); gap: 16px; align-items: center; }
.pts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 44px 0 26px; padding-top: 26px; border-top: 1px solid var(--line-d); }
.pts li { display: flex; gap: 12px; font-size: 14px; line-height: 1.45; color: var(--mut-d); }
.pts .ic { font-size: 22px; }
.pts b { display: block; margin-bottom: 4px; color: #fff; font-weight: 500; font-size: 15.5px; }
.mini { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.mp { display: grid; gap: 8px; padding: 22px; border: 1px solid #e3e1d7; border-radius: 10px; background: #fff; transition: transform .18s; }
.mp:hover { transform: translateY(-3px); }
.mp small { font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); }
.mp b { font-size: 23px; font-weight: 500; letter-spacing: -.015em; }
.mp span { font-size: 15px; color: var(--mut); }
.mp.star { background: var(--night-2); border-color: var(--night-2); color: #fff; }
.mp.star small, .mp.star span { color: var(--mut-d); }
@media (max-width: 1040px) { .ctl { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ctl .phone { grid-column: 1 / -1; grid-row: 2; justify-self: center; width: 236px; } .pts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .steps, .tour { grid-template-columns: minmax(0, 1fr); } .mini { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .ctl, .pts { grid-template-columns: minmax(0, 1fr); } .stage { background: linear-gradient(180deg, var(--night) 0, var(--night) 40%, var(--paper) 40%); } .stage.in { background: linear-gradient(180deg, var(--night-2) 0, var(--night-2) 40%, var(--paper) 40%); } .duo { padding-right: 16%; } .duo .phone { width: 31%; border-width: 4px; border-radius: 18px; } .shot-bar { padding: 8px 10px; } .stp { padding-left: 10px; grid-template-columns: 50px minmax(0, 1fr); } }

.mid-shot { margin-bottom: 40px; }
.wapp { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 36px 56px; align-items: center; }
.wapp h2 { margin-bottom: 0; }
.off .ticks { color: #3c3c38; }
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: center; }
.trio .phone:nth-child(2) { transform: scale(1.06); z-index: 1; position: relative; }
.phone .shot-zoom { display: block; }
@media (max-width: 900px) { .wapp { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 620px) { .trio { gap: 8px; } .trio .phone { border-width: 3px; border-radius: 16px; } }

/* planes */
.calc { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 30px; padding: 20px 24px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.calc-r { flex: 1 1 340px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.calc-r label { font-weight: 500; }
.tiers { flex: 1 1 100%; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.tiers button { display: grid; gap: 2px; padding: 8px 10px; border: 1px solid var(--line, #e3e1da); border-radius: 10px; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.tiers button b { font-weight: 500; font-size: 14px; }
.tiers button span { font: 400 12px/1.2 var(--mono); color: var(--mut); }
.tiers button[aria-pressed="true"] { border-color: #8E53FC; box-shadow: inset 0 0 0 1px #8E53FC; }
@media (max-width: 560px) { .tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.calc-r output { font: 400 13.5px/1 var(--mono); min-width: 132px; text-align: right; }
.opts { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; }
.opts label { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; }
.opts input { width: 17px; height: 17px; accent-color: #8E53FC; }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 14px; }
.plan { display: grid; gap: 12px; align-content: start; padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: #fff; text-align: left; cursor: pointer; }
.plan[aria-pressed="true"] { border-color: #8E53FC; box-shadow: 0 0 0 1px #8E53FC; }
.plan small { font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); }
.plan h3 { font-size: 24px; font-weight: 500; letter-spacing: -.015em; }
.plan .p { font-size: 40px; font-weight: 400; line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.plan .p span { font-size: 14px; letter-spacing: 0; color: var(--mut); }
.plan ul { display: grid; gap: 6px; padding-left: 16px; list-style: disc; font-size: 14.5px; line-height: 1.4; color: #3c3c38; }
.plan.star { background: var(--night-2); color: #fff; border-color: var(--night-2); }
.plan.star small, .plan.star .p span { color: var(--mut-d); }
.plan.star ul { color: #d8d8d4; }
.plan.nb { cursor: default; grid-template-rows: auto auto 1fr auto; align-content: stretch; }
.plan.nb .more { align-self: end; margin-top: 4px; }
.plan.star .more { color: #fff; }
.total { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-top: 14px; padding: 20px 24px; border-radius: 10px; background: var(--grad-card); color: #fff; }
.total b { font-size: 32px; font-weight: 500; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.fine { margin-top: 16px; max-width: 92ch; font-size: 14px; color: var(--mut); }
@media (max-width: 1000px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .plans { grid-template-columns: minmax(0, 1fr); } .calc-r { grid-template-columns: minmax(0, 1fr); } .calc-r output { text-align: left; } }

/* comparativa de planes */
.cmp { margin-top: 26px; border-top: 1px solid #e3e1d7; }
.cmp summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 2px; font-size: 19px; font-weight: 500; letter-spacing: -.01em; cursor: pointer; list-style: none; }
.cmp summary::-webkit-details-marker { display: none; }
.cmp summary .ic { font-size: 20px; transition: transform .2s; }
.cmp[open] summary .ic { transform: rotate(180deg); }
.cmp-w { border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.cmpt { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.3; }
.cmpt th, .cmpt td { padding: 11px 16px; border-bottom: 1px solid var(--line); text-align: left; font-weight: 400; }
.cmpt tbody:last-child tr:last-child td { border-bottom: 0; }
.cmpt .c { width: 13%; text-align: center; }
.cmpt .hi { background: #f7f2ff; }
.cmpt thead th { font-weight: 500; font-size: 16px; letter-spacing: -.01em; }
.cmpt .pr td { font-size: 14px; color: var(--mut); font-variant-numeric: tabular-nums; }
.cmpt .gr th { padding-block: 16px 7px; font: 400 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); background: #fbfaf6; }
.yes { font-weight: 700; color: #8E53FC; }
.no { color: #c9c7bc; }
.pk { display: inline-block; padding: 3px 8px; border-radius: 999px; background: var(--off); font: 400 11px/1.2 var(--mono); color: var(--mut); white-space: nowrap; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.sm-n { display: none; }
@media (max-width: 700px) {
  .cmp summary { font-size: 17px; }
  .cmpt { font-size: 13px; table-layout: fixed; }
  .cmpt th, .cmpt td { padding: 9px 3px; overflow-wrap: anywhere; }
  .cmpt tr > :first-child { padding-left: 10px; }
  .cmpt .gr th { padding-left: 10px; }
  .cmpt thead th { font-size: 11.5px; }
  .cmpt .c { width: 15%; }
  .cmpt .pr td { font-size: 10.5px; }
  .pk { padding: 2px 4px; font-size: 9.5px; }
  .lg-n { display: none; } .sm-n { display: inline; }
}

/* créditos */
.lead { max-width: 62ch; margin: -28px 0 32px; color: var(--mut); }
.crd { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.tbl-w { border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
.tbl th { padding: 12px 16px; text-align: left; font: 400 11px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mut); border-bottom: 1px solid var(--line); }
.tbl td { padding: 12px 16px; border-bottom: 1px solid var(--line); line-height: 1.35; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl b { font-weight: 600; }
@media (max-width: 800px) { .crd { grid-template-columns: minmax(0, 1fr); } .lead { margin-top: -18px; } .tbl th, .tbl td { padding: 11px 10px; } .tbl .t { display: none; } .tbl th.n { white-space: normal; } }

/* PMS */
.pms { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pms span { padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-weight: 500; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.track { display: flex; gap: 10px; width: max-content; }
.track span { padding: 12px 18px; border: 1px solid var(--line); border-radius: 999px; font-weight: 500; font-size: 15px; white-space: nowrap; }
@media (prefers-reduced-motion: no-preference) { .track { animation: slide 56s linear infinite; } .marquee:hover .track { animation-play-state: paused; } }
@keyframes slide { to { transform: translateX(-50%); } }

/* formulario */
.df { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px 64px; align-items: start; }
.df .bl { display: grid; gap: 12px; margin-top: 26px; color: #d3d3cf; }
.df .bl li { display: flex; gap: 10px; }
.df .bl .ic { font-size: 19px; margin-top: 4px; }
form { display: grid; gap: 12px; padding: 24px; border: 1px solid var(--line-d); border-radius: 12px; background: var(--night-3); }
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
form label { display: grid; gap: 6px; font-size: 13.5px; color: #c9c9c5; }
form input, form select { width: 100%; padding: 13px 14px; border: 1px solid var(--line-d); border-radius: 9px; background: rgba(255,255,255,.05); color: #fff; font: 400 16px var(--sans); }
form select option { color: var(--ink); }
form .bad { border-color: #FE904F; }
form .btn { justify-content: center; }
.okm { padding: 14px; border-radius: 9px; background: rgba(60,207,145,.1); border: 1px solid rgba(60,207,145,.35); font-size: 15px; }
.okm small { display: block; margin-top: 3px; opacity: .75; }
@media (max-width: 860px) { .df, .two { grid-template-columns: minmax(0, 1fr); } }

.captcha:empty { display: none; }
#demoForm .captcha { min-height: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
form .legal { font-size: 12.5px; line-height: 1.45; color: var(--mut-d); margin: 0; }
form .legal a, .fb a { text-decoration: underline; }

/* pie */
footer { background: var(--night); color: #cfcfcb; font-size: 14.5px; border-top: 1px solid var(--line-d); }
.ft { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 34px; padding-block: 60px 34px; }
.ft h4 { margin: 0 0 12px; font: 400 11.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mut-d); }
.ft a { display: block; padding-block: 3px; }
.ft a:hover { color: #fff; }
.ft a.logo { display: flex; margin-bottom: 14px; }
.ft a.logo svg { height: 34px; }
.ft p { max-width: 30ch; color: var(--mut-d); }
.fb { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-block: 20px 72px; border-top: 1px solid var(--line-d); font-size: 13px; color: var(--mut-d); }
@media (max-width: 860px) { .ft { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.draft { position: fixed; z-index: 30; right: var(--gut-r); bottom: calc(14px + env(safe-area-inset-bottom, 0px)); padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font: 400 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; box-shadow: 0 8px 24px -12px rgba(0,0,0,.4); }
/* barra de Ambrosio */
.wc { position: fixed; z-index: 35; left: 50%; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); width: min(560px, calc(100vw - 24px)); translate: -50% 0; font-size: 15px; }
.wc-bar { display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 18px; border-radius: 99px; background: rgba(20, 20, 28, .94); border: 1px solid rgba(255, 255, 255, .18); box-shadow: 0 18px 44px -12px rgba(0, 0, 0, .6); backdrop-filter: blur(10px); }
.wc-bar input { flex: 1; min-width: 0; height: 38px; border: 0; outline: 0; background: none; color: #fff; font: inherit; }
.wc-bar input::placeholder { color: #a9a9b6; }
.wc-send { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border: 0; border-radius: 50%; background: linear-gradient(135deg, #8E53FC, #C672A6 55%, #FE904F); color: #fff; cursor: pointer; font-size: 17px; }
.wc-panel { display: none; flex-direction: column; max-height: min(62vh, 520px); margin-bottom: 8px; border-radius: 18px; overflow: hidden; background: #fbfaf6; color: var(--ink); box-shadow: 0 28px 64px -18px rgba(0, 0, 0, .55); border: 1px solid rgba(0, 0, 0, .08); }
.wc.open .wc-panel { display: flex; }
.wc-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid #e7e4d9; }
.wc-head svg:not(.ic) { height: 20px; width: auto; }
.wc-head b { font-weight: 500; font-size: 14px; color: var(--mut); }
.wc-x { margin-left: auto; display: grid; place-items: center; width: 30px; height: 30px; border: 0; border-radius: 50%; background: none; color: var(--ink); cursor: pointer; font-size: 16px; }
.wc-x:hover { background: #f0eee5; }
.wc-msgs { flex: 1; min-height: 0; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.wc-msgs .mu, .wc-msgs .ma { max-width: 88%; padding: 9px 12px; border-radius: 14px; line-height: 1.4; }
.wc-msgs .mu { align-self: flex-end; background: var(--night-2); color: #fff; }
.wc-msgs .ma { align-self: flex-start; background: #f0eee5; }
.wc-msgs .ma i { display: inline-block; width: 6px; height: 6px; margin-right: 3px; border-radius: 50%; background: #8E53FC; animation: blink 1.1s infinite; }
.wc-msgs .ma i:nth-child(2) { animation-delay: .2s; } .wc-msgs .ma i:nth-child(3) { animation-delay: .4s; }
.wc-sug, .wc-cta { display: flex; flex-wrap: wrap; gap: 6px; }
.wc-sug button { padding: 6px 11px; border: 1px solid #dcd9cd; border-radius: 99px; background: #fff; font: inherit; font-size: 13.5px; cursor: pointer; }
.wc-sug button:hover { border-color: #8E53FC; }
.wc-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 99px; background: var(--night-2); color: #fff !important; font-size: 13.5px; font-weight: 500; text-decoration: none; }
.wc-btn .ic { font-size: 15px; }
.wc-note { margin: 0; padding: 8px 14px 10px; font-size: 11.5px; line-height: 1.35; color: var(--mut); border-top: 1px solid #e7e4d9; }
.wc-note a { color: inherit; text-decoration: underline; }
.draft { bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
.fb { padding-bottom: 96px; }
@media (max-width: 620px) { .wc-bar input { font-size: 16px; } .wc-panel { max-height: 68vh; } }

/* entrada de la home al hacer scroll */
.hero-stage { overflow-x: clip; }
.hero-stage .shot { transform-origin: 50% 0; will-change: transform; }
.hero-stage .phone { will-change: transform, opacity; }
.home .wrap { will-change: transform, opacity; }
/* los puntos se funden con el fondo antes de acabar la sección, sin línea de corte */
.home canvas { -webkit-mask-image: linear-gradient(180deg, #000 62%, transparent 100%); mask-image: linear-gradient(180deg, #000 62%, transparent 100%); }

/* recorrido animado sobre las pantallas */
.shot-zoom { position: relative; overflow: hidden; }
.lv { position: absolute; inset: 0; overflow: hidden; pointer-events: none; opacity: 0; transition: opacity .45s ease; font-family: var(--sans, inherit); }
.lv.on { opacity: 1; }
.lv-spot { position: absolute; border-radius: 10px; box-shadow: 0 0 0 2000px rgba(8, 8, 16, .48), 0 0 0 2px #C672A6, 0 0 26px 2px rgba(198, 114, 166, .6); transition: left .85s cubic-bezier(.65, 0, .25, 1), top .85s cubic-bezier(.65, 0, .25, 1), width .85s cubic-bezier(.65, 0, .25, 1), height .85s cubic-bezier(.65, 0, .25, 1); }
.lv-cur { position: absolute; left: 92%; top: 92%; width: 22px; height: 22px; filter: drop-shadow(0 3px 5px rgba(0, 0, 0, .45)); transition: left .85s cubic-bezier(.65, 0, .25, 1), top .85s cubic-bezier(.65, 0, .25, 1); }
.lv-cur.tap::before { content: ""; position: absolute; left: -14px; top: -14px; width: 34px; height: 34px; border-radius: 50%; border: 2px solid #fff; animation: lv-tap .65s ease-out both; }
@keyframes lv-tap { from { transform: scale(.25); opacity: .95; } to { transform: scale(1.25); opacity: 0; } }
.lv-tip { position: absolute; width: max-content; max-width: min(74%, 340px); padding: 8px 12px; border-radius: 10px; background: #fff; color: #1B1830; font-size: 13px; font-weight: 600; line-height: 1.3; text-align: left; box-shadow: 0 10px 28px rgba(0, 0, 0, .4); opacity: 0; transform: translate(-50%, 8px); transition: opacity .3s ease, transform .3s ease; }
.lv-tip.on { opacity: 1; transform: translate(-50%, 0); }
.lv-ok { position: absolute; padding: 4px 10px; border-radius: 99px; background: #17a673; color: #fff; font-size: 12px; font-weight: 700; white-space: nowrap; opacity: 0; transform: translate(-50%, -50%) scale(.7); transition: opacity .25s ease, transform .25s cubic-bezier(.3, 1.6, .5, 1); }
.lv-ok.on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.lv.sm .lv-tip { left: 50% !important; top: auto !important; bottom: 8px !important; width: 90%; max-width: none; font-size: 12px; text-align: center; }
.phone .lv-tip { font-size: 12px; padding: 7px 10px; }
.lv.xs .lv-tip, .lv.xs .lv-ok { display: none; }
.lv.xs .lv-cur { scale: .6; }
.rv { opacity: 0; translate: 0 16px; transition: opacity .55s ease, translate .55s ease; }
.rv.rv-in { opacity: 1; translate: 0 0; }
@media (prefers-reduced-motion: no-preference) {
  .stage .phone { animation: lv-float 7s ease-in-out infinite; }
  .trio .phone:nth-child(1) { animation: lv-float 7s ease-in-out infinite; }
  .trio .phone:nth-child(3) { animation: lv-float 7s ease-in-out -3.5s infinite; }
}
@keyframes lv-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* Al cargar la página: la barra baja, el titular entra palabra a palabra desde el desenfoque y después el resto, en cascada.
   Solo CSS (también en las páginas ya generadas, sin esperar al JS) y nada si el sistema pide reducir el movimiento. */
@media (prefers-reduced-motion: no-preference) {
  :root:not(.intro-on) .nav { animation: amb-down .8s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) .home canvas[data-dots] { animation: amb-fade 1.6s .2s ease-out both; }
  :root:not(.intro-on) :is(.home, .ph) .kick { animation: amb-up .8s .1s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) :is(.home, .ph) h1 { animation: amb-title 1.1s .2s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) :is(.home, .ph) .sub { animation: amb-up .9s .45s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) :is(.home, .ph) .ctas { animation: amb-up .9s .6s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) .hero-stage .duo { animation: amb-rise 1.2s .7s cubic-bezier(.2, .8, .2, 1) both; }
  :root:not(.intro-on) .ph + .sec .wrap > :first-child { animation: amb-up .9s .75s cubic-bezier(.2, .8, .2, 1) both; }
}
/* Entrada con el logo (intro() en app.js). La tapa sale del <head> antes de pintar y se quita sola a los 3 s si falla el JS. */
.intro-on body::before { content: ""; position: fixed; inset: 0; z-index: 99; background: var(--night); animation: amb-uncover .3s 3s forwards; }
.intro { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: var(--night); cursor: pointer; transition: opacity .55s ease; }
.intro.out { opacity: 0; pointer-events: none; }
.intro svg { width: min(64vw, 520px); height: auto; overflow: visible; }
.intro path { fill-opacity: 0; stroke-width: 3; stroke-dasharray: 1; stroke-dashoffset: 1; animation: amb-draw 1.35s cubic-bezier(.55, 0, .25, 1) .1s forwards, amb-fill .5s 1.25s ease forwards; }
@keyframes amb-draw { to { stroke-dashoffset: 0; } }
@keyframes amb-fill { to { fill-opacity: 1; stroke-opacity: 0; } }
@keyframes amb-uncover { to { opacity: 0; visibility: hidden; } }
@keyframes amb-down { from { opacity: 0; transform: translateY(-18px); } }
@keyframes amb-fade { from { opacity: 0; } }
@keyframes amb-up { from { opacity: 0; transform: translateY(16px); } }
@keyframes amb-title { from { opacity: 0; transform: translateY(26px); filter: blur(10px); letter-spacing: -.02em; } }
@keyframes amb-rise { from { opacity: 0; transform: translateY(48px) scale(.97); } }