:root{--blue:#00B4DB;--green:#00E676;--red:#FF4B4B;--ink:#1A1A1A;--paper:#F5F5F5;--mx:50%;--my:40%;--p:0;
--f-title:'Montserrat',system-ui,sans-serif;--f-body:'Poppins',system-ui,sans-serif;--f-script:'Allura',cursive}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--f-body);background:var(--ink);color:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:var(--f-title);line-height:1.08;letter-spacing:-.02em}
a{color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:6px}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
section{padding:clamp(4.5rem,10vw,8rem) 0;position:relative;background:var(--bg);color:var(--fg)}
.dark{--bg:var(--ink);--fg:var(--paper);--card:#232323;--mut:rgba(245,245,245,.72)}
.light{--bg:var(--paper);--fg:var(--ink);--card:#fff;--mut:#555}
.script{font-family:var(--f-script);font-weight:400;letter-spacing:0}
section h2{font-size:clamp(2rem,4.4vw,3.4rem);font-weight:800;max-width:19ch}
.sub{margin-top:1.1rem;max-width:40rem;color:var(--mut)}
#bar{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;background:linear-gradient(90deg,var(--blue),var(--green),var(--red));transform-origin:left;transform:scaleX(var(--p))}
[data-ico]{display:block;width:54px;height:54px}[data-ico] svg{width:100%;height:100%}

nav{position:fixed;inset:0 0 auto 0;z-index:40;background:rgba(26,26,26,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);color:var(--paper)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font:800 .95rem var(--f-title)}
.brand img{width:36px;height:36px;border-radius:50%;background:#fff}
.nav-links{display:flex;gap:1.6rem;align-items:center;font-size:.9rem}
.nav-links a{text-decoration:none;opacity:.8;transition:opacity .2s}.nav-links a:hover{opacity:1}
.btn{display:inline-block;font:700 .95rem var(--f-title);padding:.95rem 1.7rem;border-radius:999px;text-decoration:none;border:0;cursor:pointer;transition:transform .2s,box-shadow .25s;color:#fff;background:var(--red);box-shadow:0 10px 30px -8px rgba(255,75,75,.7)}
.btn:hover{box-shadow:0 18px 40px -8px rgba(255,75,75,.85)}
.btn.ghost{background:transparent;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--green),0 14px 30px -10px rgba(0,230,118,.4)}
.btn.small{padding:.55rem 1.1rem;font-size:.82rem}
.cta{display:flex;gap:1rem;flex-wrap:wrap}

/* palabras que se enfocan */
.w{display:inline-block;opacity:0;filter:blur(14px);transform:translateY(.4em);animation:wi .9s calc(var(--i)*.13s + .2s) cubic-bezier(.2,.7,.2,1) forwards}
@keyframes wi{to{opacity:1;filter:none;transform:none}}
[data-r]{opacity:0;transform:translateY(34px);filter:blur(10px);transition:opacity .9s,transform .9s cubic-bezier(.2,.7,.2,1),filter .9s}
[data-r].in{opacity:1;transform:none;filter:none}
@keyframes float{50%{transform:translateY(-12px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
[data-tilt]{position:relative;will-change:transform;transition:transform .25s}
[data-tilt]::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(circle at var(--gx,50%) var(--gy,50%),rgba(255,255,255,.35),transparent 55%);opacity:0;transition:opacity .3s}
[data-tilt]:hover::after{opacity:1}

/* marquee */
.marq{overflow:hidden;white-space:nowrap;padding:1.1rem 0}
.marq div{display:inline-flex;animation:mq 26s linear infinite}
.marq span{font:800 clamp(1.1rem,2.6vw,1.8rem) var(--f-title);padding:0 1.6rem;display:inline-flex;align-items:center;gap:3.2rem}
.marq span::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--green)}
.marq span:nth-child(3n+2)::after{background:var(--red)}.marq span:nth-child(3n)::after{background:var(--blue)}
@keyframes mq{to{transform:translateX(-50%)}}

/* servicios */
.services{display:grid;grid-template-columns:.8fr 1.2fr;gap:2rem;margin-top:3.5rem}
.tabs{display:flex;flex-direction:column;gap:.6rem}
.tab{all:unset;cursor:pointer;padding:1.1rem 1.4rem;border-radius:16px;font:700 1.05rem var(--f-title);background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);transition:all .3s}
.tab:hover{background:rgba(255,255,255,.1)}
.tab[aria-selected=true]{background:var(--paper);color:var(--ink);box-shadow:0 20px 40px -15px rgba(0,230,118,.4);transform:translateX(10px)}
.panel{background:linear-gradient(160deg,#272727,#151515);border-radius:26px;padding:clamp(1.8rem,4vw,3rem);box-shadow:0 40px 80px -30px #000,inset 0 1px 0 rgba(255,255,255,.1);min-height:320px;display:flex;flex-direction:column;justify-content:center}
.panel h3{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:1rem}
.panel p{opacity:.8;max-width:34rem}
.panel ul{list-style:none;margin-top:1.4rem;display:grid;gap:.5rem}
.panel li::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);margin-right:.7rem}
.panel.swap{animation:swap .45s}
@keyframes swap{from{opacity:0;transform:translateX(18px) scale(.98)}to{opacity:1;transform:none}}

/* test */
.test{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-top:3.5rem;align-items:start}
.checks{display:grid;gap:.8rem}
.check{display:flex;gap:1rem;align-items:center;padding:1.1rem 1.3rem;background:var(--card);border-radius:16px;cursor:pointer;box-shadow:0 14px 30px -20px rgba(26,26,26,.55);transition:transform .2s;font-size:.95rem}
.check:hover{transform:translateX(6px)}
.check input{appearance:none;width:26px;height:26px;border-radius:8px;border:2px solid #c4c4c4;flex:none;display:grid;place-items:center;cursor:pointer;transition:all .25s}
.check input:checked{background:var(--green);border-color:var(--green);box-shadow:0 0 0 6px rgba(0,230,118,.2)}
.check input:checked::after{content:"✓";color:var(--ink);font-weight:800;font-size:.9rem}
.score{background:#151515;color:var(--paper);border-radius:26px;padding:2.4rem;box-shadow:0 40px 70px -25px rgba(26,26,26,.7);position:sticky;top:90px;text-align:center}
.ring{width:170px;height:170px;margin:0 auto 1.4rem;position:relative}
.ring svg{transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:12;stroke-linecap:round}
.ring .bg{stroke:rgba(255,255,255,.08)}
.ring .fg{stroke:var(--green);stroke-dasharray:440;stroke-dashoffset:440;transition:stroke-dashoffset .9s cubic-bezier(.2,.8,.2,1),stroke .4s}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font:800 2.6rem var(--f-title)}
.score h3{font-size:1.3rem;margin-bottom:.5rem}.score p{opacity:.75;font-size:.92rem;margin-bottom:1.6rem}
.score.pop{animation:pop .5s}@keyframes pop{40%{transform:scale(1.03)}}

.final{text-align:center;background:radial-gradient(600px circle at 50% 100%,rgba(0,180,219,.28),transparent 70%),var(--ink)}
.final .script{font-size:clamp(3.4rem,10vw,7rem);display:block;line-height:1}
.final u{text-decoration:none;background:linear-gradient(var(--red),var(--red)) bottom/100% 4px no-repeat;padding-bottom:.08em}
.final p{margin:1.4rem auto 2.4rem;max-width:30rem;opacity:.78}
footer{padding:2rem 0;font-size:.82rem;color:rgba(245,245,245,.55);border-top:1px solid rgba(255,255,255,.08);background:var(--ink)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}

@media(max-width:860px){
.nav-links a:not(.btn){display:none}
.services,.test{grid-template-columns:1fr}
.score{position:static}.tab[aria-selected=true]{transform:none}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}
.w,[data-r]{opacity:1;filter:none;transform:none}}