:root{
  --bg:#0C0C0B; --s1:#151513; --s2:#1C1C1A; --line:#2A2926; --tx:#F1ECE2; --mu:#A9A396; --dim:#8E897D;
  --sand:#E8B98F; --blue:#4A63C9; --blue-s:#151824; --orange:#E8955B; --orange-s:#1D1712;
  --serif:'Instrument Serif',Georgia,serif; --sans:'Inter Tight',-apple-system,'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.4}
a{color:inherit}
button{font-family:inherit}
.wrap{max-width:520px;margin:0 auto;padding:calc(18px + env(safe-area-inset-top,0px)) 16px calc(112px + env(safe-area-inset-bottom,0px))}
.top{display:flex;justify-content:space-between;align-items:center;padding:0 4px}
.brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:500;letter-spacing:-.01em;text-decoration:none}
.brand svg{width:22px;height:22px}
.icon-btn{width:44px;height:44px;border-radius:22px;border:1px solid var(--line);background:var(--s1);color:var(--tx);display:flex;align-items:center;justify-content:center;text-decoration:none}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hello{font-family:var(--serif);font-style:italic;font-size:17px;color:var(--mu);margin:22px 4px 4px}
h1{margin:0 4px;font-size:32px;font-weight:300;line-height:1.1;letter-spacing:-.025em}
h2{margin:0;font-size:20px;font-weight:400;letter-spacing:-.015em}
.sec{margin-top:26px}
.sec-h{display:flex;justify-content:space-between;align-items:baseline;padding:0 4px;margin-bottom:12px}
.sec-h a{font-size:14px;color:var(--sand);text-decoration:none}
.muted{color:var(--mu)}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--sand)}

/* tarjeta "continúa hoy" */
.cont{display:flex;align-items:center;gap:14px;padding:12px 12px 12px 14px;border-radius:20px;background:#181816;text-decoration:none;margin-top:22px}
.cont .blob{width:52px;height:52px;flex-shrink:0}
.cont .mid{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.cont .t{font-size:16px;font-weight:500}
.bar{height:3px;border-radius:3px;background:#2E2D29;overflow:hidden}
.bar i{display:block;height:3px;border-radius:3px;background:var(--tx)}
.go{width:44px;height:44px;flex-shrink:0;border-radius:22px;background:var(--tx);color:var(--bg);display:flex;align-items:center;justify-content:center}
.go svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* tarjetas de reto */
.reto{position:relative;display:flex;flex-direction:column;gap:14px;padding:20px;border-radius:26px;overflow:hidden;text-decoration:none;margin-bottom:12px}
.reto.blue{background:var(--blue-s)} .reto.orange{background:var(--orange-s)}
.reto .art{position:absolute;right:-70px;top:-62px;width:170px;height:170px;pointer-events:none}
.reto .head{position:relative;display:flex;flex-direction:column;gap:2px}
.reto .kick{font-family:var(--serif);font-style:italic;font-size:15px}
.reto.blue .kick{color:#A7B3DE} .reto.orange .kick{color:var(--sand)}
.reto .name{font-size:36px;font-weight:400;letter-spacing:-.03em;line-height:1.05}
.reto p{position:relative;margin:0;font-size:14px;line-height:1.45;max-width:236px}
.reto.blue p{color:#C9CDD8} .reto.orange p{color:#D3CABD}
.tags{position:relative;display:flex;gap:6px;flex-wrap:wrap}
.tags span{padding:5px 10px;border-radius:12px;font-size:12px}
.reto.blue .tags span{background:#222839;color:#C9CDD8} .reto.orange .tags span{background:#2C241B;color:#D3CABD}
.reto .foot{position:relative;display:flex;justify-content:space-between;align-items:center;padding-top:4px;gap:12px}
.reto .foot small{display:block;font-size:12px;color:var(--mu)}
.reto .foot b{display:block;font-size:13px;font-weight:500;margin-top:2px}

/* tarjeta guía */
.guide{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:20px;border:1px solid var(--line);background:var(--s1);text-decoration:none}
.guide .ic{width:44px;height:44px;border-radius:14px;background:#26231D;color:var(--sand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.guide .ic svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.guide b{display:block;font-size:15px;font-weight:500}
.guide small{display:block;font-size:12.5px;color:var(--mu);margin-top:2px}
.guide .chev{margin-left:auto;color:#5A5750;font-size:20px}

/* próximos */
.soon{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:20px;border:1px solid var(--line);text-decoration:none}
.stack{display:flex}
.stack i{width:26px;height:26px;border-radius:13px;border:2px solid var(--bg);margin-left:-8px}
.stack i:first-child{margin-left:0}
.soon span.t{flex:1;font-size:14px;color:#D6D0C3}

/* lista de retos */
.seg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:3px;border-radius:12px;background:var(--s2);margin:18px 0}
.seg button{height:38px;border-radius:10px;border:0;background:transparent;color:var(--mu);font-size:13px;cursor:pointer}
.seg button[aria-selected="true"]{background:#3A3935;color:var(--tx);font-weight:500}
.list{border-radius:22px;background:var(--s1);overflow:hidden}
.row{display:flex;align-items:center;gap:14px;min-height:76px;padding:10px 16px;text-decoration:none;color:var(--tx);border-top:1px solid #22221F}
.row:first-child{border-top:0}
.row svg.dot{width:46px;height:46px;flex-shrink:0}
.row .tx{flex:1;min-width:0}
.row .tx b{display:block;font-size:16px;font-weight:500;letter-spacing:-.01em}
.row .tx small{display:block;font-size:12.5px;color:var(--mu);margin-top:2px}
.pill{font-size:12px;font-weight:500;padding:5px 11px;border-radius:12px;white-space:nowrap}
.pill.on{background:var(--tx);color:var(--bg)} .pill.off{background:#22221F;color:var(--mu)}
.row .chev{color:#5A5750;font-size:18px}
.note{margin:14px 4px 0;font-size:12.5px;line-height:1.5;color:var(--dim)}

/* barra inferior */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:8px 0 calc(10px + env(safe-area-inset-bottom,0px));background:rgba(17,17,15,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid #24231F}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:54px;text-decoration:none;color:var(--dim);font-size:10.5px;font-weight:500}
.tabbar a svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tabbar a[aria-current="page"]{color:var(--tx)}
.tabbar a[aria-current="page"] svg{stroke-width:2}
.tabbar-in{max-width:520px;margin:0 auto;display:contents}

/* página Cómo funciona */
.hero-g{padding:8px 4px 0}
.hero-g h1{margin:10px 0 12px;font-size:34px;font-weight:300}
.hero-g p{margin:0;font-size:15.5px;line-height:1.55;color:var(--mu)}
.card{margin-top:14px;padding:22px 20px;border-radius:24px;background:var(--s1)}
.card .n{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--sand)}
.card h2{margin:4px 0 10px;font-size:23px;font-weight:400;letter-spacing:-.02em;line-height:1.15}
.card p{margin:0 0 10px;font-size:14.5px;line-height:1.6;color:#D3CDC0}
.card p:last-child{margin-bottom:0}
.verse{margin-top:12px;padding:12px 14px;border-radius:14px;background:#211E18;font-size:13.5px;line-height:1.5;color:#E6D6C0}
.verse b{display:block;font-size:11px;letter-spacing:.1em;font-weight:600;color:var(--sand);margin-bottom:3px}
.steps{display:flex;flex-direction:column;gap:2px;margin:6px 0 0;padding:0;list-style:none}
.steps li{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:11px 0;border-top:1px solid #24231F;font-size:14px;line-height:1.5;color:#D3CDC0}
.steps li:first-child{border-top:0}
.steps li i{font-style:normal;font-family:var(--serif);font-size:22px;line-height:1;color:var(--sand)}
.steps li b{display:block;font-size:15px;font-weight:600;color:var(--tx)}
.nine{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 16px}
.nine div{padding:14px 6px 12px;border-radius:16px;background:#211E18;text-align:center}
.nine svg{width:22px;height:22px;fill:none;stroke:var(--sand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nine b{display:block;margin-top:6px;font-size:13px;font-weight:600}
.nine .dots{display:flex;justify-content:center;gap:5px;margin-top:8px}
.nine .dots i{width:9px;height:9px;border-radius:5px;background:var(--sand)}
.nine small{display:block;margin-top:7px;font-size:11px;color:var(--mu)}
.eq{display:flex;align-items:center;justify-content:center;gap:8px;margin:-4px 0 14px;font-family:var(--serif);font-style:italic;font-size:19px;color:var(--sand)}
.why{margin-top:12px;padding-top:12px;border-top:1px solid #24231F}
.why b{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.why p{margin:0 0 6px}
.install{display:grid;grid-template-columns:1fr;gap:10px;margin-top:6px}
.install div{padding:14px 16px;border-radius:16px;background:#211E18;font-size:13.5px;line-height:1.55;color:#D3CDC0}
.install b{display:block;font-size:11px;letter-spacing:.1em;color:var(--sand);margin-bottom:4px}
.warn{margin-top:12px;padding:12px 14px;border-radius:14px;border:1px solid #3A3021;font-size:13px;line-height:1.5;color:#E6D6C0}
.cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:54px;border-radius:27px;text-decoration:none;font-size:15px;font-weight:500}
.btn.p{background:var(--tx);color:var(--bg)}
.btn.s{border:1px solid #3A3935;color:var(--tx)}
:focus-visible{outline:2px solid var(--sand);outline-offset:2px}
@media (prefers-reduced-motion:no-preference){.reto,.cont,.guide,.row{transition:transform .15s ease}.reto:active,.cont:active,.guide:active{transform:scale(.985)}}

/* ===== Portada con video ===== */
[hidden]{display:none!important}
html.rn-cover,html.rn-cover body{overflow:hidden;height:100%}
html.rn-in #cover{display:none}
#cover{position:fixed;inset:0;z-index:200;background:#0B1820;color:#fff;overflow:hidden;transition:opacity .6s ease,visibility .6s}
#cover.out{opacity:0;visibility:hidden;pointer-events:none}
#cover video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.cv-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,12,18,.42) 0%,rgba(5,12,18,0) 20%,rgba(5,12,18,0) 36%,rgba(5,12,18,.5) 58%,rgba(5,12,18,.86) 100%)}
.cv-logo{position:absolute;top:calc(24px + env(safe-area-inset-top,0px));left:0;right:0;display:flex;justify-content:center;align-items:center;gap:8px;font-size:20px;font-weight:500;letter-spacing:-.01em}
.cv-logo svg{width:24px;height:24px}
.cv-in{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 28px calc(22px + env(safe-area-inset-bottom,0px))}
.cv-in h1{margin:0 0 6px;font-size:42px;font-weight:400;letter-spacing:-.03em;line-height:1.05;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.cv-sub{margin:0 0 22px;font-family:var(--serif);font-style:italic;font-size:19px;color:rgba(255,255,255,.9)}
#cv-ask{width:100%;max-width:320px;margin-bottom:12px}
#cv-name{width:100%;height:54px;border-radius:16px;border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.14);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:#fff;font:500 17px var(--sans);text-align:center;padding:0 16px;outline:none}
#cv-name::placeholder{color:rgba(255,255,255,.75)}
#cv-name:focus{border-color:#fff;background:rgba(255,255,255,.2)}
#cv-name.bad{border-color:#F2A38C}
#cv-msg{min-height:18px;margin:6px 0 0;font-size:13px;color:#FFD2C4}
.cv-btn{width:100%;max-width:320px;height:54px;border:0;border-radius:16px;background:#F1ECE2;color:#0C0C0B;font:600 17px var(--sans);letter-spacing:-.01em;cursor:pointer}
.cv-btn:active{transform:scale(.98)}
.cv-link{margin-top:6px;min-height:44px;padding:0 12px;border:0;background:transparent;color:#fff;font:500 15px var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.5)}
.cv-dock{display:flex;gap:38px;margin-top:18px}
.cv-circle{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:84px;color:#fff;text-decoration:none;font-size:13px;font-weight:500}
.cv-circle i{width:56px;height:56px;border-radius:28px;background:rgba(18,28,44,.62);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center}
.cv-circle svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:no-preference){.rise{opacity:0;transform:translateY(14px);animation:rise .8s cubic-bezier(.2,.7,.2,1) var(--d,0s) forwards}@keyframes rise{to{opacity:1;transform:none}}}
@media (max-height:700px){.cv-in h1{font-size:34px}.cv-sub{margin-bottom:14px;font-size:17px}.cv-dock{margin-top:8px;gap:28px}.cv-circle i{width:48px;height:48px}}