/* GrupoTek · Sitio B — propuesta mejorada: secciones con fondo de color, rack 3D, animaciones sutiles */
:root{--navy:#38567e;--deep:#0c1e3a;--deep2:#143360;--ink:#1d3556;--blue:#5093bc;--sky:#70bce8;--ice:#eef6fc;--line:#dfe8f1;--text:#4a586b;--r:20px;--sh:0 12px 34px rgba(30,64,110,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:400 17px/1.65 Inter,system-ui,sans-serif;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}a{color:var(--blue)}h1,h2,h3{font-family:"Red Hat Display",system-ui,sans-serif;color:var(--ink);line-height:1.1;margin:0 0 .5em;letter-spacing:-.01em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}.narrow{max-width:820px}.center{text-align:center}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px 12px;z-index:99}
/* header: transparente sobre el hero oscuro, sólido al bajar */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:0 4px 24px rgba(0,0,0,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;height:80px}.brand img{display:block;height:54px;width:auto;transition:filter .3s}
.nav{display:flex;align-items:center;gap:28px}.nav a{font:600 16px "Red Hat Display",sans-serif;color:#fff;text-decoration:none;padding:6px 0;opacity:.92}
.nav a:hover,.nav a.on{opacity:1;color:var(--sky)}.nav .nav-cta{opacity:1;color:#fff}.nav .nav-cta:hover{color:#fff}
.site-header.scrolled .nav a{color:var(--ink)}.site-header.scrolled .nav a.on,.site-header.scrolled .nav a:hover{color:var(--blue)}.site-header.scrolled .nav .nav-cta{color:#fff}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}.burger span{display:block;width:26px;height:2.5px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}.site-header.scrolled .burger span{background:var(--ink)}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}.burger.open span:nth-child(2){opacity:0}.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
/* botones */
.btn{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--sky));color:#06203d;text-decoration:none;font:700 16px "Red Hat Display",sans-serif;padding:13px 28px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,filter .2s;box-shadow:0 6px 18px rgba(81,149,192,.35)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(81,149,192,.5);filter:brightness(1.05)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);box-shadow:none}.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-lg{padding:16px 34px;font-size:17px}.btn-sm{padding:8px 20px;font-size:15px}.btn-light{background:#fff;color:var(--ink)}
.btn-wa{background:#25d366;color:#fff;display:inline-flex;gap:8px;align-items:center;box-shadow:0 6px 18px rgba(37,211,102,.35)}.btn-wa svg{width:22px;height:22px}
/* hero oscuro con rack 3D */
.hero.dark{position:relative;background:radial-gradient(1200px 600px at 78% 30%,#1e4f8c 0%,transparent 60%),linear-gradient(160deg,var(--deep),var(--deep2));color:#fff;padding:150px 0 130px;overflow:hidden}

.hgrid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.eyebrow{display:inline-block;font:700 13px "Red Hat Display";letter-spacing:.14em;text-transform:uppercase;color:var(--sky);border:1px solid rgba(112,188,232,.4);padding:7px 14px;border-radius:999px;margin-bottom:22px;background:rgba(112,188,232,.08)}
.hero h1{font-size:clamp(40px,5.6vw,72px);font-weight:900;color:#fff;margin-bottom:20px}.hero h1 em{font-style:normal;color:var(--sky)}
.hero .sub{font:400 19px/1.6 Inter;color:#cfe0f2;max-width:560px}.hero .sub b{color:#fff}.hbtn{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
.chips{list-style:none;padding:0;margin:0;display:flex;gap:10px 22px;flex-wrap:wrap;color:#cfe0f2;font-size:15px}.chips li{display:flex;align-items:center;gap:8px}.chips .ico{color:var(--sky);width:18px;height:18px}
.hart{position:relative}.rack3d{width:100%;height:auto;display:block;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.wave{position:absolute;left:0;bottom:-1px;width:100%;height:70px;fill:#fff}
/* animaciones del rack */
.rack3d .float{animation:floaty 6s ease-in-out infinite}.rack3d .f2{animation-delay:-2s}.rack3d .f3{animation-delay:-4s}
@keyframes floaty{0%,100%{transform:translate(var(--x,0),0)}50%{transform:translate(var(--x,0),-9px)}}
.rack3d .f1{--x:0}.rack3d .rackbody{animation:bob 7s ease-in-out infinite}@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.rack3d .led{animation:blink 2.2s infinite}.rack3d .b1{animation-delay:-.4s}.rack3d .b2{animation-delay:-1s}.rack3d .b3{animation-delay:-1.6s}@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.rack3d .cable{animation:flow 2.2s linear infinite}@keyframes flow{to{stroke-dashoffset:-22}}.rack3d .ring{animation:pulse 3.2s ease-in-out infinite}@keyframes pulse{50%{stroke-opacity:.15}}
.rack3d .bar{animation:blink 3s infinite}
/* secciones de color */
.sec{padding:96px 0;position:relative}.sec.tint{background:linear-gradient(180deg,var(--ice),#fff 140%)}.sec.slim{padding:64px 0}
.sec.trust{padding:0;margin-top:-30px;z-index:2}.sec.trust .stats{margin-top:0}
.sec.dark2{background:linear-gradient(160deg,var(--deep),var(--deep2));color:#cfe0f2;overflow:hidden}.sec.dark2 h2,.sec.dark2 h3{color:#fff}.sec.dark2 .stitle em{color:var(--sky)}.dark2 .wrap{position:relative}
.stitle{text-align:center;margin-bottom:50px}.stitle h2{font-size:clamp(32px,4.4vw,50px);font-weight:900;max-width:820px;margin:0 auto}.stitle em{font-style:normal;color:var(--blue)}
.kicker{display:inline-block;font:700 13px "Red Hat Display";letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.lead{font-size:19px;color:var(--ink)}.fine{font-size:14px;color:#7c8a9c;margin-top:26px}
.grid{display:grid;gap:26px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--r);padding:32px 28px;box-shadow:var(--sh);transition:transform .3s,box-shadow .3s;border:1px solid var(--line);position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--sky));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.card:hover{transform:translateY(-8px);box-shadow:0 22px 50px rgba(30,64,110,.2)}.card:hover::after{transform:scaleX(1)}
.svc h3{font-size:22px}.svc p{margin:0 0 16px;font-size:16px}
.icobox{display:inline-grid;place-items:center;width:62px;height:62px;border-radius:18px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;margin-bottom:18px;box-shadow:0 10px 20px rgba(58,90,130,.3)}.icobox .ico{width:30px;height:30px}
.ico{width:22px;height:22px;flex:none}.ico.sm{width:16px;height:16px;vertical-align:-2px}
.seg{display:block;text-decoration:none;color:var(--text)}.seg h3{font-size:21px}.seg p{font-size:15px;margin:0 0 14px}.more{font:700 15px "Red Hat Display";color:var(--blue)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border-radius:24px;box-shadow:0 24px 60px rgba(12,30,58,.22);max-width:980px;margin:auto;overflow:hidden}
.stat{text-align:center;padding:34px 10px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat b{display:block;font:900 clamp(36px,5vw,56px)/1 "Red Hat Display";background:linear-gradient(90deg,var(--navy),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}.stat small{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink);font-weight:600}
.steps{counter-reset:s}.step{background:rgba(255,255,255,.06);border:1px solid rgba(112,188,232,.25);border-radius:var(--r);padding:34px 28px;backdrop-filter:blur(4px)}.step b{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--sky));color:#06203d;font:900 22px "Red Hat Display";margin-bottom:18px}.step p{margin:0}
.cta-band{background:linear-gradient(110deg,var(--navy),var(--blue) 55%,var(--sky));color:#fff;padding:70px 0;position:relative;overflow:hidden}.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;border:50px solid rgba(255,255,255,.08)}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative}.cta-band h2{color:#fff;font-size:clamp(28px,4vw,42px);margin:0 0 8px}.cta-band p{margin:0;opacity:.95}.cta-btns{display:flex;gap:12px;flex-wrap:wrap}.cta-band .btn-light{box-shadow:0 8px 22px rgba(0,0,0,.2)}
/* páginas internas */
.phero{background:linear-gradient(160deg,var(--deep),var(--deep2));color:#fff;text-align:center;padding:150px 0 70px;position:relative}.phero h1{color:#fff;font-size:clamp(34px,5vw,56px);font-weight:900;max-width:900px;margin:0 auto 16px}.phero p{max-width:720px;margin:0 auto 20px;color:#cfe0f2;font-size:19px}
.crumbs{font-size:14px;color:#8793a3;padding-top:20px}.crumbs a{text-decoration:none}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 28px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .3s}.plan:hover{transform:translateY(-6px)}
.plan.star{background:linear-gradient(170deg,var(--deep),var(--deep2));color:#cfe0f2;border:0;transform:scale(1.04);box-shadow:0 30px 60px rgba(12,30,58,.4)}.plan.star:hover{transform:scale(1.04) translateY(-6px)}.plan.star h3{color:#fff}.plan.star li{border-color:rgba(255,255,255,.12)}
.plan h3{font-size:30px;text-align:center}.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--blue),var(--sky));color:#06203d;font:800 13px "Red Hat Display";padding:6px 18px;border-radius:999px}
.resp{text-align:center;margin-bottom:18px}.resp b{display:block;font:900 40px "Red Hat Display";color:var(--blue)}.plan.star .resp b{color:var(--sky)}.resp small{text-transform:uppercase;letter-spacing:.1em;font-size:12px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;flex:1}.plan li{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15px}.plan li .ico{width:18px;height:18px;color:var(--blue);margin-top:3px}.plan li.no{opacity:.55}.plan .btn{text-align:center}
.tag{display:inline-block;background:var(--ice);color:var(--navy);font:700 12px "Red Hat Display";text-transform:uppercase;letter-spacing:.1em;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.proj h3,.post h3{font-size:22px}.post a{text-decoration:none;color:inherit;display:block}.post p{font-size:15.5px}.meta{font-size:13.5px;color:#8793a3}
.brands{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.brands span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 22px;font:700 17px "Red Hat Display";color:var(--navy);transition:transform .2s}.brands span:hover{transform:translateY(-3px)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;padding:0 24px;box-shadow:0 4px 14px rgba(30,64,110,.05)}.faq summary{cursor:pointer;font:700 18px "Red Hat Display";color:var(--ink);padding:20px 0;list-style:none;display:flex;justify-content:space-between;gap:14px}.faq summary::after{content:"+";font-size:26px;line-height:1;color:var(--blue);transition:transform .3s}.faq details[open] summary::after{transform:rotate(45deg)}.faq p{margin:0 0 20px}
.cgrid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px}.cinfo ul{list-style:none;padding:0;margin:0 0 26px}.cinfo li{display:flex;gap:14px;margin-bottom:20px}.cinfo li .ico{color:#fff;background:linear-gradient(135deg,var(--navy),var(--blue));width:46px;height:46px;padding:11px;border-radius:14px}.cinfo b{display:block;color:var(--ink);font-family:"Red Hat Display"}.cinfo span,.cinfo a{color:var(--text);text-decoration:none}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;box-shadow:var(--sh)}.form label{display:block;font:700 14px "Red Hat Display";color:var(--ink);margin-bottom:14px}
.form input,.form textarea{display:block;width:100%;margin-top:6px;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font:400 16px Inter;color:var(--text);background:#fbfdff}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(81,149,192,.2)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
fieldset{border:0;padding:0;margin:0 0 14px}legend{font:700 14px "Red Hat Display";color:var(--ink);margin-bottom:6px}.form .radio{display:inline-flex;align-items:center;gap:8px;margin:0 18px 0 0;font:400 16px Inter;color:var(--text)}.form .radio input{width:auto;margin:0}
.hp{position:absolute!important;left:-9999px}.form-note{font-size:14px;margin:12px 0 0}.form-note.ok{color:#1b8a4b}.form-note.err{color:#c0392b}.form .btn:disabled{opacity:.6}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px}.two h2{font-size:32px}.two em{font-style:normal;color:var(--blue)}.ticks{list-style:none;padding:0}.ticks li{display:flex;gap:12px;margin-bottom:16px}.ticks .ico{width:26px;height:26px;margin-top:1px;padding:4px;border-radius:50%}.ticks.good .ico{color:#fff;background:#1b8a4b}.ticks.bad .ico{color:#fff;background:#c0392b}
.article{padding:130px 24px 70px}.article h1{font-size:clamp(30px,4.5vw,46px);font-weight:900}.prose h2{font-size:28px;margin:1.6em 0 .5em}.prose p,.prose li{font-size:18px}.prose blockquote{border-left:4px solid var(--sky);margin:1.4em 0;padding:6px 20px;background:var(--ice);border-radius:0 12px 12px 0}
.aside-cta{background:linear-gradient(160deg,var(--deep),var(--deep2));color:#cfe0f2;border-radius:var(--r);padding:32px;margin-top:40px;text-align:center}.aside-cta h3{color:#fff}
.site-footer{background:var(--deep);color:#b9cbe0;padding:64px 0 0;font-size:15px}.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:34px}.site-footer h3{color:#fff;font-size:16px;margin-bottom:14px}.site-footer a,.site-footer span{display:block;color:#b9cbe0;text-decoration:none;margin-bottom:9px}.site-footer a:hover{color:var(--sky)}
.flogo{opacity:.95;margin-bottom:14px}.fabout{margin:0}.fbottom{display:flex;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;padding-bottom:26px;font-size:14px}.fbottom a,.fbottom span{display:inline;margin:0}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28);transition:transform .2s}.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:ring 2.4s infinite}.wa-float:hover{transform:scale(1.08)}.wa-float svg{width:32px;height:32px}@keyframes ring{to{transform:scale(1.6);opacity:0}}
/* aparición suave (solo opacity/transform: no mueve el diseño al cargar) */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease var(--d,0ms),transform .7s ease var(--d,0ms)}.js .reveal.in{opacity:1;transform:none}
.js .hero .reveal{transition-duration:.9s}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.js .reveal{opacity:1;transform:none}}
@media(max-width:980px){.hgrid{grid-template-columns:1fr}.hart{max-width:520px;margin:10px auto 0}.g3,.g4,.fgrid{grid-template-columns:1fr 1fr}.plans{grid-template-columns:1fr;max-width:480px;margin:auto}.plan.star{transform:none}.cgrid,.two{grid-template-columns:1fr}}
@media(max-width:700px){.burger{display:block}.nav{position:fixed;inset:80px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 24px;box-shadow:0 20px 30px rgba(0,0,0,.12);transform:translateY(-130%);transition:transform .3s}.nav.open{transform:none}.nav a,.site-header .nav a{color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}.nav .nav-cta{color:#fff!important;text-align:center;margin-top:12px;border:0}
.g2,.g3,.g4,.fgrid,.row2,.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.sec{padding:64px 0}.hero.dark{padding:120px 0 100px}.fbottom{flex-direction:column}}

.brand .lw{display:none}
.v-b .site-header:not(.scrolled) .lc{display:none}.v-b .site-header:not(.scrolled) .lw{display:block}
.v-b.solid .site-header{background:rgba(255,255,255,.96);box-shadow:0 4px 24px rgba(0,0,0,.08)}.v-b.solid .site-header .lc{display:block!important}.v-b.solid .site-header .lw{display:none!important}
.v-b.solid .site-header .nav a{color:var(--ink)}.v-b.solid .site-header .nav a.on{color:var(--blue)}.v-b.solid .site-header .nav .nav-cta{color:#fff}.v-b.solid .burger span{background:var(--ink)}
@media(max-width:700px){.v-b .site-header:not(.scrolled) .burger span{background:#fff}}
/* el hero aparece solo con CSS, sin esperar a JavaScript ni al scroll */
.js .hero .reveal,.js .phero .reveal{opacity:1;transform:none;transition:none;animation:rise .7s ease both}
.js .hero .reveal:nth-child(2),.js .hero .hcopy .reveal:nth-child(2){animation-delay:.08s}.js .hero .reveal:nth-child(3){animation-delay:.16s}.js .hero .reveal:nth-child(4){animation-delay:.24s}.js .hero .reveal:nth-child(5){animation-delay:.32s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.svcs{grid-template-columns:repeat(4,1fr)}.svcs .card{padding:28px 22px}.svcs h3{font-size:20px}.svcs p{font-size:15px}
@media(max-width:1000px){.svcs{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.svcs{grid-template-columns:1fr}}