/* ==========================================================================
   Nexlify — estilo "Glass" (paneles de vidrio, título cromado, objeto 3D)
   Solo lo usa index.html. Tipografías: Michroma (títulos) + Manrope (texto).
   ========================================================================== */
:root{
  --ink:#0e1c38;--ink2:#3d5273;--mut:#6f84a3;
  --blue:#1f7bf2;--cyan:#45d1f3;--ice:#eaf3fc;
  --edge:rgba(255,255,255,.92);--line:rgba(140,172,210,.28);
  --r:30px;--r2:22px;
  --f-d:'Michroma','Manrope',system-ui,sans-serif;
  --f-b:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --btn:linear-gradient(105deg,#6f8cff 0%,#3fb4ee 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;font:400 15px/1.65 var(--f-b);color:var(--ink);background:#e9f2fc;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body:before{content:'';position:fixed;inset:0;z-index:-1;background:
  radial-gradient(60vw 45vw at 92% -5%,#bfe3ff 0%,transparent 60%),
  radial-gradient(50vw 40vw at -5% 40%,#d6e4ff 0%,transparent 60%),
  radial-gradient(45vw 35vw at 70% 105%,#c9f0f7 0%,transparent 60%),#eaf3fc}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
button,input,select,textarea{font:inherit}
.wrap{width:min(1240px,calc(100% - 32px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:10px;background:#fff;padding:10px 14px;border-radius:10px;z-index:99}
.skip:focus{left:12px}
:focus-visible{outline:3px solid #1f7bf2;outline-offset:3px;border-radius:10px}

/* ---------- vidrio ---------- */
.gl{position:relative;border-radius:var(--r);border:1px solid var(--edge);
  background:linear-gradient(150deg,rgba(255,255,255,.82),rgba(224,240,255,.5) 55%,rgba(255,255,255,.6));
  box-shadow:0 30px 70px -34px rgba(52,101,160,.45),0 2px 0 rgba(255,255,255,.9) inset,0 -1px 0 rgba(160,196,236,.35) inset;
  backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2)}
.gl-in{background:linear-gradient(160deg,rgba(255,255,255,.78),rgba(232,243,255,.46));border:1px solid var(--edge);border-radius:var(--r2);
  box-shadow:0 18px 40px -26px rgba(52,101,160,.4),0 1px 0 #fff inset}
.panel{margin-top:16px;padding:30px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 11px/1 var(--f-b);letter-spacing:.2em;text-transform:uppercase;color:#4a78ad}
.eyebrow i{width:15px;height:15px;border-radius:50%;display:grid;place-items:center;background:#dcebff;box-shadow:0 0 0 1px #fff inset}
.eyebrow i:after{content:'';width:5px;height:5px;border-radius:50%;background:var(--blue)}
.chrome{font-family:var(--f-d);font-weight:400;text-transform:uppercase;letter-spacing:-.01em;line-height:1.02;
  background:linear-gradient(180deg,#ffffff 0%,#dfe7f1 34%,#8795ab 52%,#c9d3e2 70%,#f6f9fd 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  -webkit-text-stroke:1.4px rgba(98,114,140,.85);filter:drop-shadow(0 10px 14px rgba(55,90,140,.22))}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 24px;border-radius:14px;border:1px solid rgba(160,196,236,.7);
  font:700 12px/1 var(--f-b);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:15px;height:15px}
.btn-p{background:var(--btn);color:#fff;border-color:#b3dcff;box-shadow:0 14px 30px -12px rgba(31,123,242,.65),0 1px 0 rgba(255,255,255,.55) inset;text-shadow:0 1px 2px rgba(10,60,140,.25)}
.btn-p:hover{box-shadow:0 18px 34px -12px rgba(31,123,242,.8),0 1px 0 rgba(255,255,255,.55) inset}
.btn-g{background:rgba(255,255,255,.55);color:#2c4a73}
.btn-g:hover{background:#fff;box-shadow:0 14px 28px -16px rgba(52,101,160,.6)}
.btn-wa{background:linear-gradient(105deg,#34d27b,#16a863);color:#fff;border-color:#9be6c0}

/* ---------- encabezado ---------- */
.site-head{position:sticky;top:12px;z-index:50;margin-top:14px}
.nav{display:flex;align-items:center;gap:18px;padding:10px 14px 10px 22px;border-radius:22px}
.brand img{height:34px;width:auto;mix-blend-mode:multiply}
.nav nav{margin:0 auto}
.nav-links{display:flex;gap:4px;margin:0;padding:0;list-style:none}
.nav-links a{display:block;padding:9px 14px;border-radius:11px;font:700 11.5px/1 var(--f-b);letter-spacing:.14em;text-transform:uppercase;color:#4a6489}
.nav-links a:hover{background:rgba(255,255,255,.8);color:var(--blue)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--edge);background:rgba(255,255,255,.7);place-items:center;cursor:pointer;color:var(--ink)}
.menu-btn svg{width:22px;height:22px}
.nav .btn{padding:12px 18px}

/* ---------- hero ---------- */
.hero{margin-top:14px;min-height:640px;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;isolation:isolate}
.hero-copy{padding:44px 0 56px 46px;position:relative;z-index:3;display:flex;flex-direction:column}
.pill{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;font:600 11px/1 var(--f-b);letter-spacing:.14em;text-transform:uppercase;color:#35557f;background:rgba(255,255,255,.7);border:1px solid var(--edge);box-shadow:0 8px 22px -14px rgba(52,101,160,.6)}
.pill:before{content:'';width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(69,209,243,.25);animation:ping 2.4s ease-in-out infinite}
@keyframes ping{50%{box-shadow:0 0 0 8px rgba(69,209,243,0)}}
.hero h1{margin:44px 0 0;font-size:clamp(40px,7.4vw,100px);position:relative;z-index:4;white-space:nowrap}
.hero h1 small{display:block;margin-top:.12em;font-size:.46em;letter-spacing:.02em}
.hero .role{margin-top:26px;font:500 clamp(17px,1.7vw,21px)/1.4 var(--f-b);color:#2f4a72;letter-spacing:.01em}
.hero .lead{margin-top:20px;max-width:46ch;color:var(--ink2);font-size:15px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-art{position:absolute;inset:0 0 0 38%;z-index:1;pointer-events:none}
.hero-art:before{content:'';position:absolute;inset:6% -4% 0 6%;background:radial-gradient(circle at 56% 44%,rgba(150,214,255,.85),transparent 52%),radial-gradient(circle at 72% 60%,rgba(130,160,255,.5),transparent 55%);filter:blur(12px)}
.orbit{position:absolute;left:50%;top:46%;width:min(76%,440px);aspect-ratio:1;border:1px solid rgba(255,255,255,.95);border-radius:50%;box-shadow:0 0 50px rgba(110,170,240,.45),inset 0 0 40px rgba(255,255,255,.4);animation:spin 26s linear infinite}
.orbit.o1{transform:translate(-50%,-50%) rotate(-24deg) scaleY(.42)}
.orbit.o2{width:min(58%,340px);transform:translate(-50%,-50%) rotate(38deg) scaleY(.5);opacity:.7;animation-duration:34s;animation-direction:reverse}
@keyframes spin{to{filter:hue-rotate(0)}}
.tile3d{position:absolute;left:50%;top:46%;width:min(56%,320px);aspect-ratio:1;transform:translate(-50%,-50%);animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate(-50%,-50%) translateY(0) rotate(-3deg)}50%{transform:translate(-50%,-50%) translateY(-18px) rotate(3deg)}}
.tile3d svg{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 40px 40px rgba(34,84,150,.38)) drop-shadow(0 0 30px rgba(120,200,255,.5))}
.chip3d{position:absolute;display:flex;align-items:center;gap:10px;padding:11px 15px;border-radius:16px;font:700 12px/1.2 var(--f-b);color:#23406a;z-index:3;animation:float2 6s ease-in-out infinite}
.chip3d b{display:block;font-size:12px}
.chip3d small{display:block;font-weight:500;color:var(--mut);font-size:11px}
.chip3d .ci{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,#79a6ff,#38cdee);color:#fff}
.chip3d .ci svg{width:16px;height:16px}
.c1{left:6%;bottom:16%}.c2{right:6%;top:14%;animation-delay:-2.5s}
@keyframes float2{50%{transform:translateY(-10px)}}
.seal{position:absolute;right:26px;bottom:26px;width:112px;height:112px;z-index:3}
.seal svg{width:100%;height:100%}
.seal .ring{animation:rot 24s linear infinite;transform-origin:50% 50%}
@keyframes rot{to{transform:rotate(360deg)}}

/* ---------- cifras ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr) 1.35fr;padding:26px 14px}
.stat{padding:6px 26px;border-right:1px solid var(--line);display:grid;gap:10px;align-content:start}
.stat .si{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.75);border:1px solid var(--edge);color:#3a74b8;box-shadow:0 8px 16px -10px rgba(52,101,160,.6)}
.stat .si svg{width:19px;height:19px}
.stat b{font:400 clamp(26px,2.6vw,34px)/1 var(--f-d);color:#1a3460;letter-spacing:-.02em}
.stat span{font-size:12.5px;color:var(--mut);line-height:1.4}
.quote{padding:6px 14px 6px 28px;display:flex;flex-direction:column;justify-content:space-between;gap:16px;font-size:13.5px;color:#34507a;line-height:1.55}
.quote cite{font-style:normal;font-size:12px;color:var(--mut);letter-spacing:.06em}

/* ---------- encabezados de sección ---------- */
.sec-top{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px;flex-wrap:wrap}
.sec-top h2{font:400 clamp(22px,2.6vw,32px)/1.15 var(--f-d);margin-top:14px;color:#14294f;letter-spacing:-.02em;text-transform:uppercase}
.sec-top p{max-width:46ch;color:var(--ink2);font-size:14px}

/* ---------- productos ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.prod{grid-column:span 2;padding:12px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;border-radius:28px}
.prod.w{grid-column:span 3}
.prod:hover{transform:translateY(-5px);box-shadow:0 34px 60px -28px rgba(52,101,160,.55),0 1px 0 #fff inset}
.prod-img{position:relative;aspect-ratio:16/10;border-radius:20px;overflow:hidden;background:linear-gradient(135deg,#071c3a,#1a5689 65%,#73d5ed)}
.prod-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.prod:hover .prod-img img{transform:scale(1.05)}
.prod-img:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.18),transparent 35%);pointer-events:none}
.num{position:absolute;top:14px;left:16px;z-index:2;font:400 15px/1 var(--f-d);color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.55)}
.prod-body{padding:18px 14px 12px;display:flex;flex-direction:column;flex:1}
.prod h3{font:400 18px/1.2 var(--f-d);color:#14294f;letter-spacing:-.02em}
.prod p{margin-top:8px;font-size:13px;color:var(--ink2);line-height:1.6}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tags span{padding:7px 14px;border-radius:999px;font-size:11px;font-weight:600;color:#496890;background:rgba(255,255,255,.65);border:1px solid var(--edge)}
.prod-act{display:flex;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px;font:700 11px/1 var(--f-b);letter-spacing:.12em;text-transform:uppercase}
.prod-act a{color:#1d66b8;display:inline-flex;align-items:center;gap:6px}
.prod-act a:hover{color:var(--blue)}
.prod-act a+a{color:#7a90ad}
.prod-act svg{width:13px;height:13px}

/* ---------- trío: servicios / stack / filosofía ---------- */
.trio{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:16px}
.trio .gl{padding:26px;margin:0}
.trio h2{font:400 12.5px/1 var(--f-b);letter-spacing:.2em;text-transform:uppercase;color:#4a78ad;display:flex;align-items:center;gap:10px;margin-bottom:22px;font-weight:700}
.srv{display:grid;gap:18px}
.srv li{list-style:none;display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}
.srv{padding:0;margin:0}
.srv .ic{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(214,234,255,.6));border:1px solid var(--edge);color:#2f6fb8;box-shadow:0 8px 16px -10px rgba(52,101,160,.6)}
.srv .ic svg{width:20px;height:20px}
.srv b{display:block;font-size:14px;color:#14294f}
.srv p{font-size:12.5px;color:var(--mut);line-height:1.55;margin-top:2px}
.bar{height:3px;border-radius:3px;background:rgba(140,172,210,.25);margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;width:var(--w,70%);border-radius:3px;background:linear-gradient(90deg,#6f8cff,#45d1f3)}
.stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tk{display:grid;justify-items:center;gap:8px;padding:16px 6px 12px;border-radius:20px;background:rgba(255,255,255,.55);border:1px solid var(--edge);box-shadow:0 12px 24px -18px rgba(52,101,160,.6);transition:transform .2s}
.tk:hover{transform:translateY(-3px)}
.tk svg{width:30px;height:30px;color:#2f6fb8}
.tk span{font-size:11px;color:var(--mut);font-weight:600;text-align:center}
.philo{position:relative;height:300px;display:grid;place-items:center}
.philo .lb{position:absolute;font-size:11.5px;color:#3d5a85;font-weight:600;text-align:center;line-height:1.3}
.lb.t{top:0;left:50%;transform:translateX(-50%)}.lb.b{bottom:0;left:50%;transform:translateX(-50%)}.lb.l{left:0;top:50%;transform:translateY(-50%)}.lb.r{right:0;top:50%;transform:translateY(-50%)}
.lb:before{content:'';display:block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin:0 auto 6px;box-shadow:0 0 0 4px rgba(31,123,242,.15)}
.philo .circ{position:absolute;width:210px;height:210px;border-radius:50%;border:1px solid rgba(150,180,215,.5)}
.scene{width:110px;height:110px;perspective:600px}
.cube{position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:cube 16s linear infinite}
@keyframes cube{from{transform:rotateX(-24deg) rotateY(0)}to{transform:rotateX(-24deg) rotateY(360deg)}}
.cube .f{position:absolute;inset:0;border-radius:14px;border:1px solid rgba(255,255,255,.95);display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(255,255,255,.75),rgba(110,170,255,.55) 55%,rgba(64,206,240,.5));box-shadow:inset 0 0 26px rgba(255,255,255,.65),0 0 24px rgba(80,160,255,.35)}
.cube .f svg{width:46px;height:46px;opacity:.95}
.f1{transform:translateZ(55px)}.f2{transform:rotateY(90deg) translateZ(55px)}.f3{transform:rotateY(180deg) translateZ(55px)}.f4{transform:rotateY(-90deg) translateZ(55px)}
.f5{transform:rotateX(90deg) translateZ(55px)}.f6{transform:rotateX(-90deg) translateZ(55px)}

/* ---------- contacto ---------- */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:stretch}
.contact h2{font:400 clamp(24px,3vw,38px)/1.12 var(--f-d);color:#14294f;margin-top:16px;text-transform:uppercase;letter-spacing:-.02em}
.contact .lead{margin-top:16px;color:var(--ink2);max-width:46ch}
.ch{display:grid;gap:10px;margin-top:24px}
.ch a{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:16px;transition:transform .2s}
.ch a:hover{transform:translateX(4px)}
.ch .ci{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.8);border:1px solid var(--edge);color:#2f6fb8;flex-shrink:0}
.ch .ci svg{width:18px;height:18px}
.ch small{display:block;font-size:11px;color:var(--mut);letter-spacing:.08em;text-transform:uppercase;font-weight:700}
.ch b{font-size:14px;color:#14294f;font-weight:600;word-break:break-word}
.qr{display:flex;align-items:center;gap:16px;margin-top:14px;padding:14px 18px;border-radius:18px;max-width:420px}
.qr .code{width:84px;height:84px;padding:8px;border-radius:14px;background:#fff;border:1px solid var(--edge);flex-shrink:0}
.qr small{display:block;color:var(--mut);font-size:11.5px;line-height:1.5}
.qr b{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#4a78ad;margin-bottom:4px}
.form{padding:26px;display:grid;gap:12px;align-content:start}
.form h3{font:400 16px/1.2 var(--f-d);text-transform:uppercase;color:#14294f}
.form label{font-size:11.5px;font-weight:700;color:#4a6489;letter-spacing:.1em;text-transform:uppercase}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;border-radius:14px;border:1px solid rgba(160,196,236,.7);background:rgba(255,255,255,.7);color:var(--ink);transition:border-color .15s,box-shadow .15s,background .15s}
.form textarea{min-height:100px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(31,123,242,.15)}
.form .btn{width:100%}
.note{font-size:11px;color:var(--mut)}

/* ---------- objeto de vidrio decorativo ---------- */
.gem{position:absolute;right:-30px;bottom:-40px;width:300px;opacity:.9;pointer-events:none;z-index:0}

.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:26px 8px 34px;font-size:11.5px;color:var(--mut);letter-spacing:.06em}
.foot a:hover{color:var(--blue)}
.foot .tag{text-transform:uppercase;letter-spacing:.2em;font-size:10.5px}

.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:36px 28px 0}
  .hero-art{position:relative;inset:auto;height:420px;margin-top:6px}
  .stats{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(2){border-right:0}
  .quote{grid-column:1/-1;border-top:1px solid var(--line);padding:20px 26px 4px}
  .stat:nth-child(4){border-right:0}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .prod,.prod.w{grid-column:span 1}
  .prod:last-child{grid-column:1/-1}
  .trio{grid-template-columns:1fr 1fr}
  .trio .gl:last-child{grid-column:1/-1}
  .contact{grid-template-columns:1fr}
}
@media(max-width:820px){
  .menu-btn{display:grid}
  .nav .btn{display:none}
  .nav-links{position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;padding:10px;border-radius:20px;background:rgba(255,255,255,.96);border:1px solid var(--edge);box-shadow:0 24px 50px -24px rgba(30,70,130,.55);opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s}
  .nav-links a{padding:14px 16px;font-size:12.5px}
  .site-head.open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .menu-btn{margin-left:auto}
}
@media(max-width:640px){
  .panel{padding:22px 16px}
  .hero-copy{padding:26px 20px 0}
  .hero h1{margin-top:30px;font-size:clamp(30px,10.4vw,52px)}
  .hero-art{height:340px}
  .seal{width:84px;height:84px;right:12px;bottom:12px}
  .chip3d{padding:9px 12px}.c1{left:3%;bottom:8%}.c2{right:3%;top:4%}
  .prod-grid,.trio{grid-template-columns:1fr}
  .prod:last-child,.trio .gl:last-child{grid-column:auto}
  .stat{padding:6px 14px}
  .stat b{font-size:24px}
  .btn{padding:14px 18px}
  .hero-cta .btn{flex:1 1 100%}
  .gem{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  .js .rv{opacity:1;transform:none}
}

/* ---------- anti-desborde ---------- */
.hero,.hero-copy,.stats,.prod-grid,.trio,.contact,.contact>*,.prod,.trio>*{min-width:0}
.hero h1{max-width:100%}
@media(max-width:1080px){.hero{grid-template-columns:minmax(0,1fr)}.contact{grid-template-columns:minmax(0,1fr)}.prod-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.trio{grid-template-columns:repeat(2,minmax(0,1fr))}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.prod-grid,.trio{grid-template-columns:minmax(0,1fr)}.hero h1{font-size:clamp(28px,9vw,48px)}}

/* ---------- átomo de luz (órbitas tipo React) con la N al centro ---------- */
.atom{position:absolute;left:50%;top:46%;width:min(96%,560px);aspect-ratio:1;transform:translate(-50%,-50%)}
.atom:before{content:'';position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle,rgba(120,200,255,.75),rgba(90,150,255,.25) 55%,transparent 70%);filter:blur(18px);animation:glowp 4.5s ease-in-out infinite alternate}
@keyframes glowp{from{opacity:.55;transform:scale(.9)}to{opacity:1;transform:scale(1.1)}}
.atom-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.atom-svg ellipse{fill:none;stroke-linecap:round}
.atom-svg .tube{stroke:rgba(110,175,245,.22);stroke-width:9;filter:blur(3px)}
.atom-svg .line{stroke:rgba(255,255,255,.95);stroke-width:1.6}
.atom-svg .comet{stroke:#7fd8ff;stroke-width:4.5;stroke-dasharray:16 84;filter:drop-shadow(0 0 5px #45d1f3) drop-shadow(0 0 12px #3b8cff);animation:comet 5.5s linear infinite}
.atom-svg .c-b{animation-duration:6.5s;animation-delay:-2s;stroke:#9bb8ff}
.atom-svg .c-c{animation-duration:7.5s;animation-delay:-4s}
@keyframes comet{from{stroke-dashoffset:0}to{stroke-dashoffset:-100}}
.atom .tile3d{left:50%;top:50%;width:38%}
@media(prefers-reduced-motion:reduce){.atom-svg .comet{stroke-dasharray:none;opacity:.5}}

/* 6 productos: rejilla 3x2 / 2x3 / 1 */
.prod-img.top img{object-position:left top}
@media(max-width:1080px){.prod:last-child{grid-column:auto}}
.prod-img.top{background:#fff}
.prod-img.top .num{color:#14294f;text-shadow:none;background:rgba(255,255,255,.85);padding:6px 10px;border-radius:10px;box-shadow:0 4px 12px -6px rgba(20,41,79,.5)}