/* Fer Black Polarizados — white canvas, dark tinted-glass effects, cyan/indigo accent */
:root{
  --bg:#ffffff; --bg-soft:#F4F7FB; --ink:#0A0F1C; --ink-2:#121A2C; --smoke:#1F2940;
  --text:#1B2233; --muted:#566074; --line:#E3E8F0;
  --accent:#FFD91A; --accent-ink:#7A6100; --accent-2:#FF9F0A; --accent-glow:rgba(255,217,26,.45);
  --font-display:'Outfit',system-ui,sans-serif; --font-slab:'Alfa Slab One',serif;
  --r-lg:28px; --r-md:18px; --r-sm:12px;
  --shadow-1:0 10px 30px -12px rgba(10,15,28,.25); --shadow-2:0 30px 70px -25px rgba(10,15,28,.45);
  --ease:cubic-bezier(.22,1,.36,1); --gutter:clamp(16px,4vw,40px);
  --tint:.35;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--font-display);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.is-loading{overflow:hidden}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.video-sec :focus-visible,.cta :focus-visible,.header :focus-visible,.footer :focus-visible,.preloader :focus-visible{outline-color:var(--accent)}
.container{width:min(1180px,100% - 2*var(--gutter));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:3000;transition:top .2s}
.skip:focus{top:12px}

h1,h2,h3{font-family:var(--font-display);line-height:1.08;letter-spacing:-.02em;margin:0;color:var(--ink)}
h1{font-size:clamp(2.5rem,6vw,4.6rem);font-weight:800}
h2{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-ink)}
.eyebrow::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:2px}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
.grad{color:var(--ink);background:linear-gradient(transparent 60%,var(--accent) 60% 94%,transparent 94%);padding:0 .08em;margin:0 -.08em;box-decoration-break:clone;-webkit-box-decoration-break:clone}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;font-weight:600;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;position:relative;overflow:hidden}
.btn svg{width:20px;height:20px}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 28px -10px rgba(10,15,28,.6)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 18px 34px -10px rgba(10,15,28,.7)}
.btn-dark::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,217,26,.55) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn-dark:hover::after{transform:translateX(120%)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:var(--ink);font-weight:700}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 32px -8px var(--accent-glow)}

/* preloader — real logo on black */
.preloader{position:fixed;inset:0;z-index:2000;background:#080808;display:grid;place-items:center;overflow:hidden}
.preloader::before{content:"";position:absolute;inset:-20%;background:radial-gradient(45% 40% at 50% 52%,rgba(255,217,26,.22),transparent 70%),repeating-linear-gradient(115deg,transparent 0 60px,rgba(255,255,255,.03) 60px 62px);animation:preMove 8s linear infinite}
@keyframes preMove{to{transform:translateX(-62px)}}
.pre-inner{position:relative;width:min(600px,86vw);text-align:center}
.pre-logo{position:relative;overflow:hidden;filter:drop-shadow(0 0 40px rgba(255,217,26,.25))}
.pre-logo img{width:100%;height:auto;clip-path:inset(0 100% 0 0);animation:logoWipe 1s var(--ease) .15s forwards}
@keyframes logoWipe{to{clip-path:inset(0 0 0 0)}}
.pre-shine{position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.55) 50%,transparent 60%);transform:translateX(-120%);animation:shineSweep .8s ease-in-out 1s forwards;mix-blend-mode:overlay}
@keyframes shineSweep{to{transform:translateX(120%)}}
.pre-bar{margin:30px auto 0;width:min(280px,70%);height:4px;border-radius:4px;background:rgba(255,255,255,.14);overflow:hidden}
.pre-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),#fff);transition:width .3s}
.pre-pct{margin-top:10px;font-weight:600;font-size:.8rem;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.pre-film{position:absolute;inset:0;background:var(--accent);transform:translateY(101%);z-index:2}
.preloader.leaving .pre-film{animation:filmUp .5s var(--ease) forwards}
.preloader.leaving .pre-inner{transition:opacity .4s;opacity:0}
.preloader.gone{animation:filmOut .6s var(--ease) forwards;pointer-events:none}
@keyframes filmUp{to{transform:translateY(0)}}
@keyframes filmOut{to{transform:translateY(-101%)}}

/* header — dark glass pill */
.header{position:fixed;inset:0 0 auto 0;z-index:900;padding-top:12px}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 12px 0 18px;background:rgba(10,10,10,.84);backdrop-filter:saturate(1.4) blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:22px;box-shadow:0 14px 40px -14px rgba(0,0,0,.55);transition:box-shadow .3s,background .3s}
.header.scrolled .nav{background:rgba(10,10,10,.93);box-shadow:0 18px 44px -12px rgba(0,0,0,.65)}
.brand{display:block;flex:none}
.brand img{height:60px;width:auto}
.menu{display:flex;gap:4px;align-items:center}
.menu a{padding:10px 14px;border-radius:999px;font-weight:500;font-size:.95rem;color:rgba(255,255,255,.88);transition:background .2s,color .2s}
.menu a:hover{background:rgba(255,255,255,.1);color:#fff}
.menu .btn{margin-left:8px;min-height:44px;padding:0 22px;color:var(--ink)}
.menu .btn:hover{background:var(--accent);color:var(--ink)}
.burger{display:none;width:48px;height:48px;border-radius:14px;border:1.5px solid rgba(255,255,255,.25);background:transparent;place-items:center}
.burger span{display:block;width:20px;height:2px;background:#fff;position:relative;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;transition:.3s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded=true] span{background:transparent}
.burger[aria-expanded=true] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded=true] span::after{top:0;transform:rotate(-45deg)}

/* hero */
.hero{position:relative;padding:150px 0 90px;overflow:hidden;isolation:isolate}
.hero .smoke{position:absolute;border-radius:50%;filter:blur(70px);z-index:-1;opacity:.5;animation:drift 18s ease-in-out infinite alternate}
.smoke.s1{width:520px;height:520px;right:-120px;top:-80px;background:radial-gradient(circle,rgba(10,10,10,.5),transparent 65%)}
.smoke.s2{width:440px;height:440px;left:-160px;bottom:-60px;background:radial-gradient(circle,rgba(255,159,10,.35),transparent 65%);animation-duration:24s}
.smoke.s3{width:380px;height:380px;left:42%;top:30%;background:radial-gradient(circle,rgba(255,217,26,.28),transparent 65%);animation-duration:21s}
@keyframes drift{to{transform:translate(60px,40px) scale(1.15)}}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero h1{margin:18px 0 20px}
.hero .lead{margin-bottom:30px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.stat b{display:block;font:400 2.2rem/1 var(--font-slab);color:var(--ink)}
.stat span{font-size:.85rem;color:var(--muted)}

/* simulator */
.sim{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:14px;position:relative}
.sim-scene{border-radius:20px;overflow:hidden;background:linear-gradient(180deg,#FFF6CC 0%,#FFFFFF 70%);position:relative;aspect-ratio:800/430}
.sim-scene svg{width:100%;height:100%}
.sim-badge{position:absolute;top:14px;left:14px;background:rgba(10,15,28,.86);color:#fff;border-radius:999px;padding:6px 14px;font-size:.78rem;font-weight:600;letter-spacing:.06em;backdrop-filter:blur(6px)}
.sim-controls{padding:18px 8px 6px}
.sim-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.sim-row label{font-weight:700;color:var(--ink)}
.sim-val{font:400 1.6rem/1 var(--font-slab);color:var(--ink)}
.sim-val small{font:600 .8rem var(--font-display);color:var(--accent-ink);margin-left:8px;letter-spacing:.08em;text-transform:uppercase}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:44px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:10px;border-radius:10px;background:linear-gradient(90deg,#FFF3A8,var(--ink))}
input[type=range]::-moz-range-track{height:10px;border-radius:10px;background:linear-gradient(90deg,#FFF3A8,var(--ink))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;border-radius:50%;background:#fff;border:3px solid var(--accent);margin-top:-10px;box-shadow:0 4px 14px rgba(10,15,28,.35)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 4px 14px rgba(10,15,28,.35)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chip{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:.9rem;color:var(--text);transition:.2s}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.sim-note{font-size:.8rem;color:var(--muted);margin:12px 0 0}
.meters{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.meter{background:var(--bg-soft);border-radius:14px;padding:10px 12px}
.meter span{display:block;font-size:.74rem;color:var(--muted);font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.meter b{font-size:1.15rem;color:var(--ink)}
.meter i{display:block;height:5px;border-radius:5px;background:#dbe3ee;margin-top:6px;overflow:hidden}
.meter i::after{content:"";display:block;height:100%;width:var(--w,50%);background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .35s var(--ease)}

/* scene svg animation */
.ray{stroke-dasharray:10 14;animation:rays 1.2s linear infinite}
@keyframes rays{to{stroke-dashoffset:-48}}
.sun-halo{transform-origin:700px 70px;animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.25);opacity:.45}}
.road{stroke-dasharray:40 40;animation:road 1.1s linear infinite}
@keyframes road{to{stroke-dashoffset:-80}}
.wheel-spin{animation:spin 2.4s linear infinite;transform-box:fill-box;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
.shine{animation:shine 4.5s ease-in-out infinite}
@keyframes shine{0%{transform:translateX(-260px)}60%,100%{transform:translateX(520px)}}
.heat path{stroke-dasharray:6 8;animation:heat 1.6s linear infinite}
@keyframes heat{to{stroke-dashoffset:-28}}
#tintLayer{fill:#05080F;fill-opacity:var(--tint);transition:fill-opacity .15s linear}
#heatGroup{opacity:calc(1 - var(--tint) * 1.05);transition:opacity .15s linear}

/* marquee */
.marquee{background:var(--ink);color:#fff;overflow:hidden;padding:16px 0;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2}
.marquee::before{left:0;background:linear-gradient(90deg,var(--ink),transparent)}
.marquee::after{right:0;background:linear-gradient(-90deg,var(--ink),transparent)}
.track{display:flex;gap:44px;width:max-content;animation:marq 32s linear infinite}
.track span{display:inline-flex;align-items:center;gap:44px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.88rem;white-space:nowrap}
.track span::after{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
section{position:relative}
.section{padding:clamp(72px,10vw,130px) 0}
.head{display:flex;flex-direction:column;gap:16px;margin-bottom:clamp(36px,5vw,64px);max-width:720px}
.head.center{margin-inline:auto;text-align:center;align-items:center}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);color:#fff;aspect-ratio:4/5;display:flex;align-items:flex-end;box-shadow:var(--shadow-1);transform-style:preserve-3d;transition:transform .4s var(--ease),box-shadow .4s}
.card:hover{box-shadow:var(--shadow-2)}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),filter .6s;filter:saturate(.9)}
.card:hover img{transform:scale(1.08)}
.card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,15,28,0) 35%,rgba(10,15,28,.9) 100%);transition:opacity .5s}
.card .film{position:absolute;inset:0;z-index:1;background:rgba(5,8,15,.38);clip-path:inset(0 0 0 0);transition:clip-path .8s var(--ease)}
.card:hover .film{clip-path:inset(0 0 0 100%)}
.card .body{position:relative;z-index:2;padding:26px;width:100%}
.card .num{font:400 .9rem var(--font-slab);color:var(--accent);letter-spacing:.1em}
.card h3{color:#fff;margin:6px 0 8px;font-size:1.35rem}
.card p{margin:0;font-size:.95rem;color:rgba(255,255,255,.82);line-height:1.5}
.card .tag{position:absolute;z-index:2;top:20px;right:20px;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.14);backdrop-filter:blur(8px);display:grid;place-items:center;border:1px solid rgba(255,255,255,.25)}
.card .tag svg{width:22px;height:22px;stroke:#fff}

/* benefits */
.benefits{background:var(--bg-soft)}
.ben-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.diagram{background:linear-gradient(180deg,#fff,#EEF3F9);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-1)}
.diagram svg{width:100%;height:auto}
.dray{stroke-dasharray:8 12;animation:rays 1s linear infinite}
.dray.weak{animation-duration:1.8s}
.ben-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.ben{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;transition:transform .3s var(--ease),box-shadow .3s}
.ben:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.ben .ico{width:46px;height:46px;border-radius:14px;background:var(--ink);display:grid;place-items:center;margin-bottom:12px;position:relative;overflow:hidden}
.ben .ico svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;position:relative;z-index:1}
.ben .ico::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 35%,rgba(255,255,255,.25) 50%,transparent 65%);transform:translateX(-100%);animation:glint 4s ease-in-out infinite}
@keyframes glint{60%,100%{transform:translateX(100%)}}
.ben h3{font-size:1.05rem;margin-bottom:4px}
.ben p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.5}
.fine{font-size:.78rem;color:var(--muted);margin-top:14px}

/* video */
.video-sec{background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.video-sec::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 60% at 80% 40%,rgba(255,217,26,.22),transparent 70%),radial-gradient(40% 50% at 10% 90%,rgba(255,159,10,.25),transparent 70%)}
.video-sec h2{color:#fff;margin:14px 0 18px}
.video-sec .eyebrow{color:var(--accent)}
.video-sec .lead{color:rgba(255,255,255,.72)}
.vid-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,6vw,80px);align-items:center}
.steps-mini{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:14px}
.steps-mini li{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;padding:16px;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.steps-mini .n{width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--ink);font:400 1rem var(--font-slab);display:grid;place-items:center}
.steps-mini b{display:block;color:#fff}
.steps-mini span{font-size:.92rem;color:rgba(255,255,255,.7)}
.phone{width:min(360px,100%);margin-inline:auto;border-radius:44px;padding:12px;background:linear-gradient(160deg,#2A3350,#0A0F1C);box-shadow:0 40px 80px -20px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.12) inset;position:relative}
.phone video{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:32px;background:#000}
.phone-glow{position:absolute;inset:-30px;z-index:-1;border-radius:60px;background:conic-gradient(from 0deg,var(--accent),var(--accent-2),var(--accent));filter:blur(50px);opacity:.35;animation:spinGlow 10s linear infinite}
@keyframes spinGlow{to{transform:rotate(360deg)}}
.phone-cap{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;font-size:.85rem;color:rgba(255,255,255,.65)}
.pill{display:inline-block;padding:3px 12px;border-radius:999px;font-weight:700;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;background:rgba(255,255,255,.1)}

/* process */
.process-line{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.process-line::before{content:"";position:absolute;left:8%;right:8%;top:34px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px)}
.step{position:relative;text-align:center;padding:0 8px}
.step .dot{position:relative;width:68px;height:68px;border-radius:50%;margin:0 auto 18px;background:var(--ink);display:grid;place-items:center;color:var(--accent);box-shadow:0 0 0 8px #fff,0 0 0 9px var(--line);z-index:1}
.step .dot svg{width:28px;height:28px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.step p{color:var(--muted);font-size:.95rem;margin:6px 0 0}

/* CTA */
.cta{position:relative;margin:0 var(--gutter);border-radius:36px;overflow:hidden;color:#fff;isolation:isolate;background:var(--ink)}
.cta > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.5;filter:grayscale(.4) contrast(1.1)}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(10,15,28,.96) 25%,rgba(10,15,28,.55) 100%)}
.cta-inner{padding:clamp(48px,8vw,100px) clamp(24px,6vw,80px);display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.78);max-width:46ch}
.contact-card{background:rgba(255,255,255,.08);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-lg);padding:28px}
.phone-num{display:block;font:400 clamp(1.6rem,3vw,2.2rem)/1.1 var(--font-slab);letter-spacing:.04em;margin:6px 0 18px;color:#fff}
.contact-card .btn{width:100%}
.contact-card .btn+.btn{margin-top:12px}
.btn-wa{background:#25D366;color:#06210F;font-weight:700}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(37,211,102,.55)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-light:hover{background:#fff;color:var(--ink)}
.contact-card small{color:rgba(255,255,255,.65)}

/* footer — dark */
.footer{padding:70px 0 30px;background:#0A0A0A;color:#fff;margin-top:-28px;border-radius:36px 36px 0 0;position:relative;z-index:1;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:radial-gradient(40% 50% at 85% 0%,rgba(255,217,26,.14),transparent 70%),repeating-linear-gradient(115deg,transparent 0 80px,rgba(255,255,255,.025) 80px 82px);animation:preMove 14s linear infinite;pointer-events:none}
.footer .container{position:relative}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand{width:min(300px,100%);height:auto;margin-bottom:16px}
.footer p{color:rgba(255,255,255,.68);margin:0 0 6px;font-size:.95rem}
.footer h4{margin:0 0 14px;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer li a{color:rgba(255,255,255,.7);font-size:.95rem;transition:color .2s}
.footer li a:hover{color:var(--accent)}
.social{display:flex;gap:12px;margin-top:20px}
.social a{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;transition:transform .3s var(--ease),background .3s}
.social a:hover{background:var(--accent);transform:translateY(-4px)}
.social svg{width:22px;height:22px;stroke:#fff;transition:stroke .3s}
.social a:hover svg{stroke:var(--ink)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:.82rem;color:rgba(255,255,255,.6)}
.credits{font-size:.74rem;line-height:1.5;margin-top:14px;color:rgba(255,255,255,.4)}

/* floating whatsapp */
.wa{position:fixed;right:20px;bottom:20px;z-index:950;width:62px;height:62px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px -6px rgba(37,211,102,.7);transition:transform .3s var(--ease)}
.wa:hover{transform:scale(1.08)}
.wa svg{width:32px;height:32px}
.wa::before,.wa::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25D366;animation:ring 2.2s ease-out infinite}
.wa::after{animation-delay:1.1s}
@keyframes ring{from{transform:scale(1);opacity:.7}to{transform:scale(1.9);opacity:0}}
.wa-tip{position:absolute;right:76px;white-space:nowrap;background:var(--ink);color:#fff;padding:9px 14px;border-radius:12px;font-size:.85rem;font-weight:600;opacity:0;transform:translateX(8px);transition:.3s;pointer-events:none}
.wa:hover .wa-tip,.wa:focus-visible .wa-tip{opacity:1;transform:none}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:980px){
  .hero-grid,.ben-grid,.vid-grid,.cta-inner{grid-template-columns:1fr}
  .services{grid-template-columns:repeat(2,1fr)}
  .process-line{grid-template-columns:repeat(2,1fr);row-gap:40px}.process-line::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}.foot-grid>:first-child{grid-column:1/-1}
  .hero{padding-top:120px}
}
@media (max-width:760px){
  .burger{display:grid}
  .menu{position:fixed;inset:100px 16px auto 16px;flex-direction:column;align-items:stretch;gap:2px;padding:14px;background:rgba(10,10,10,.96);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.12);border-radius:22px;box-shadow:var(--shadow-2);transform:translateY(-14px);opacity:0;pointer-events:none;transition:.3s var(--ease)}
  .menu.open{transform:none;opacity:1;pointer-events:auto}
  .menu a{padding:14px 16px}.menu .btn{margin:8px 0 0}
  .brand img{height:42px}
}
@media (max-width:560px){
  body{font-size:16px}
  .services,.ben-list{grid-template-columns:1fr}
  .card{aspect-ratio:5/4}
  .meters{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .meter{padding:8px}.meter b{font-size:1rem}
  .process-line{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .wa{width:58px;height:58px;right:14px;bottom:14px}
  .cta{margin:0 12px;border-radius:28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .track{animation:none}
}

/* ===== animated backgrounds ===== */
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:radial-gradient(circle,rgba(10,10,10,.22) 1.3px,transparent 1.7px);background-size:30px 30px;-webkit-mask-image:radial-gradient(70% 70% at 60% 40%,#000,transparent 85%);mask-image:radial-gradient(70% 70% at 60% 40%,#000,transparent 85%);animation:gridMove 24s linear infinite}
@keyframes gridMove{to{background-position:30px 60px}}
.streaks{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.streaks i{position:absolute;top:-30%;height:160%;width:22vw;transform:skewX(-22deg);background:linear-gradient(90deg,transparent,rgba(10,10,10,.07),transparent);animation:streak 16s linear infinite}
.streaks i:nth-child(2){width:8vw;background:linear-gradient(90deg,transparent,rgba(255,217,26,.35),transparent);animation-duration:21s;animation-delay:-6s}
.streaks i:nth-child(3){width:30vw;animation-duration:26s;animation-delay:-12s}
.streaks i:nth-child(4){width:4vw;background:linear-gradient(90deg,transparent,rgba(10,10,10,.14),transparent);animation-duration:18s;animation-delay:-3s}
@keyframes streak{from{left:-40vw}to{left:120vw}}
.glow{position:absolute;width:520px;height:520px;border-radius:50%;left:0;top:0;z-index:-1;pointer-events:none;background:radial-gradient(circle,rgba(255,217,26,.38),transparent 65%);transform:translate(calc(var(--mx,60vw) - 260px),calc(var(--my,30vh) - 260px));transition:transform .5s var(--ease);filter:blur(10px)}
#servicios{overflow:hidden;isolation:isolate}
#servicios::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(115deg,rgba(10,10,10,.04) 0 2px,transparent 2px 26px),radial-gradient(40% 30% at 90% 10%,rgba(255,217,26,.16),transparent 70%);animation:stripes 20s linear infinite}
@keyframes stripes{to{background-position:104px 0,0 0}}
.shards{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.shards i{position:absolute;bottom:-120px;background:rgba(10,10,10,.07);clip-path:polygon(50% 0,100% 62%,70% 100%,12% 82%,0 30%);animation:floatUp linear infinite}
.shards i:nth-child(3n){background:rgba(255,217,26,.35)}
@keyframes floatUp{0%{transform:translateY(0) rotate(0)}100%{transform:translateY(-120vh) rotate(260deg)}}
.benefits{overflow:hidden;isolation:isolate}
.benefits .container{position:relative;z-index:1}
[data-par]{will-change:transform}

/* ===== installer scene ===== */
.scene-sec{background:#fff;overflow:hidden}
.scene-panel{position:relative;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(180deg,#FFF3B8 0%,#FFFBE6 55%,#fff 100%);border:1px solid #F1E3A0;box-shadow:var(--shadow-2)}
.scene-panel svg{width:100%;height:auto}
.scene-steps{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:6px 16px 22px}
.sstep{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(10,10,10,.14);background:rgba(255,255,255,.7);font-weight:600;font-size:.92rem;color:var(--muted)}
.sstep b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--accent);font:400 .8rem var(--font-slab)}
.sstep.a{animation:stA 9s infinite}.sstep.b{animation:stB 9s infinite}.sstep.c{animation:stC 9s infinite}
@keyframes stA{0%,28%{background:var(--ink);color:#fff;border-color:var(--ink)}34%,100%{background:rgba(255,255,255,.7);color:var(--muted);border-color:rgba(10,10,10,.14)}}
@keyframes stB{0%,28%{background:rgba(255,255,255,.7);color:var(--muted);border-color:rgba(10,10,10,.14)}34%,60%{background:var(--ink);color:#fff;border-color:var(--ink)}66%,100%{background:rgba(255,255,255,.7);color:var(--muted);border-color:rgba(10,10,10,.14)}}
@keyframes stC{0%,60%{background:rgba(255,255,255,.7);color:var(--muted);border-color:rgba(10,10,10,.14)}66%,96%{background:var(--accent);color:var(--ink);border-color:var(--accent)}100%{background:rgba(255,255,255,.7);color:var(--muted);border-color:rgba(10,10,10,.14)}}
.cloud{animation:cloud 60s linear infinite}
.cloud.c2{animation-duration:90s;animation-delay:-40s}
@keyframes cloud{from{transform:translateX(-200px)}to{transform:translateX(1100px)}}
.pcar{animation:pcar 11s linear infinite}
.pcar.p2{animation-duration:17s;animation-delay:-7s;animation-direction:reverse}
@keyframes pcar{from{transform:translateX(-220px)}to{transform:translateX(1100px)}}
.walker{animation:walk 9s linear infinite}
@keyframes walk{0%{opacity:0;transform:translateX(50px)}6%{opacity:1;transform:translateX(0)}8%{opacity:1;transform:translateX(0)}62%{opacity:1;transform:translateX(-330px)}70%{opacity:0;transform:translateX(-380px)}100%{opacity:0;transform:translateX(50px)}}
.tint-wipe{fill:#050505;fill-opacity:.82;transform-box:fill-box;transform-origin:right center;animation:wipe 9s linear infinite}
@keyframes wipe{0%,8%{transform:scaleX(0);opacity:1}62%{transform:scaleX(1);opacity:1}90%{transform:scaleX(1);opacity:1}98%{transform:scaleX(1);opacity:0}100%{transform:scaleX(0);opacity:0}}
.heat-anim{animation:heatFade 9s linear infinite}
@keyframes heatFade{0%,8%{opacity:1}62%,90%{opacity:.08}98%,100%{opacity:1}}
.leg1,.leg2{transform-origin:0 255px;animation:leg .6s ease-in-out infinite alternate}
.leg2{animation-direction:alternate-reverse}
@keyframes leg{from{transform:rotate(-16deg)}to{transform:rotate(16deg)}}
.forearm{transform-origin:-34px 200px;animation:fore .45s ease-in-out infinite alternate}
@keyframes fore{from{transform:rotate(-7deg)}to{transform:rotate(7deg)}}
.bodybob{animation:bob .6s ease-in-out infinite alternate}
@keyframes bob{to{transform:translateY(-4px)}}
.spark{transform-box:fill-box;transform-origin:center;opacity:0;animation:spark 9s ease-out infinite}
.spark:nth-of-type(2){animation-delay:.12s}.spark:nth-of-type(3){animation-delay:.24s}.spark:nth-of-type(4){animation-delay:.18s}
@keyframes spark{0%,62%{opacity:0;transform:scale(0) rotate(0)}68%{opacity:1;transform:scale(1.25) rotate(40deg)}80%{opacity:0;transform:scale(1.7) rotate(90deg)}100%{opacity:0}}
.drop{animation:drop 1.2s ease-in infinite;opacity:0}
@keyframes drop{0%{opacity:.9;transform:translate(0,0)}100%{opacity:0;transform:translate(-18px,26px)}}
.road2{stroke-dasharray:50 50;animation:road 1.4s linear infinite}
@media (prefers-reduced-motion:reduce){.streaks i,.shards i,.cloud,.pcar,.hero::before,#servicios::before{animation:none}.walker{opacity:1;transform:translateX(-330px)}.tint-wipe{transform:scaleX(1)}}

/* ===== hero with video background ===== */
.hero{background:#0A0A0A;color:#fff}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-4}
.hero-shade{position:absolute;inset:0;z-index:-3;background:linear-gradient(95deg,rgba(6,6,6,.9) 0%,rgba(6,6,6,.72) 45%,rgba(6,6,6,.35) 100%),linear-gradient(180deg,rgba(6,6,6,.55) 0%,transparent 30%,transparent 70%,rgba(6,6,6,.7) 100%)}
.hero h1{color:#fff}
.hero .eyebrow{color:var(--accent)}
.hero .lead{color:rgba(255,255,255,.84)}
.hero .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.hero .btn-ghost:hover{background:#fff;color:var(--ink)}
.hero-stats{border-top-color:rgba(255,255,255,.22)}
.stat b{color:#fff}.stat span{color:rgba(255,255,255,.72)}
.hero::before{background-image:radial-gradient(circle,rgba(255,255,255,.22) 1.2px,transparent 1.6px)}
.streaks i{background:linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent)}
.streaks i:nth-child(2){background:linear-gradient(90deg,transparent,rgba(255,217,26,.28),transparent)}
.streaks i:nth-child(4){background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent)}
.smoke.s1{background:radial-gradient(circle,rgba(255,217,26,.18),transparent 65%)}
.smoke.s2{background:radial-gradient(circle,rgba(255,159,10,.2),transparent 65%)}
.hero .sim{box-shadow:0 40px 90px -20px rgba(0,0,0,.8)}
@media (max-width:760px){.hero-shade{background:linear-gradient(180deg,rgba(6,6,6,.82),rgba(6,6,6,.7) 60%,rgba(6,6,6,.85))}}
.hero .grad{color:var(--accent);background:none;padding:0;margin:0}

/* ===== hero without simulator ===== */
.hero{min-height:100vh;display:flex;align-items:center}
.hero-grid{grid-template-columns:1fr}
.hero-grid>div{max-width:720px}
.hero h1{font-size:clamp(2.8rem,7vw,5.6rem)}
/* installation video */
.vid-wide{position:relative;height:clamp(420px,80vh,720px);width:100%;border-radius:var(--r-lg);overflow:hidden;background:#0A0A0A;box-shadow:var(--shadow-2);display:grid;place-items:center}
.vid-wide .vw-bg{position:absolute;inset:-8%;width:116%;height:116%;object-fit:cover;filter:blur(28px) brightness(.55) saturate(1.2)}
.vid-wide .vw-fg{position:absolute;top:0;bottom:0;left:50%;transform:translateX(-50%);height:100%;width:auto;max-width:100%;object-fit:contain;border-left:1px solid rgba(255,255,255,.12);border-right:1px solid rgba(255,255,255,.12)}
@media (max-width:760px){.vid-wide{height:min(560px,75vh)}.vid-wide .vw-fg{max-width:100%}}
/* process watermark */
.proceso-sec{overflow:hidden;isolation:isolate}
.watermark{position:absolute;z-index:-1;left:50%;top:50%;width:min(1100px,130%);max-width:none;transform:translate(-50%,-50%) rotate(-6deg);filter:brightness(0);opacity:.06;pointer-events:none;user-select:none;animation:wmFloat 14s ease-in-out infinite alternate}
@keyframes wmFloat{to{transform:translate(-50%,-52%) rotate(-4deg)}}
@media (prefers-reduced-motion:reduce){.watermark{animation:none}}

/* tweaks: lighter hero shade, no dot grid, benefits watermark */
.hero::before{display:none}
.hero-shade{background:linear-gradient(95deg,rgba(6,6,6,.72) 0%,rgba(6,6,6,.5) 45%,rgba(6,6,6,.12) 100%),linear-gradient(180deg,rgba(6,6,6,.4) 0%,transparent 28%,transparent 72%,rgba(6,6,6,.5) 100%)}
@media (max-width:760px){.hero-shade{background:linear-gradient(180deg,rgba(6,6,6,.68),rgba(6,6,6,.55) 60%,rgba(6,6,6,.7))}}
.benefits .watermark{z-index:0;top:46%}

/* ===== responsive polish ===== */
.hero{min-height:100vh;min-height:100svh}
@media (min-width:1500px){
  .container{width:min(1320px,100% - 2*var(--gutter))}
  body{font-size:18px}
  .hero-grid>div{max-width:820px}
  .services{gap:30px}
}
@media (max-width:980px){
  .hero{min-height:auto;padding:130px 0 70px}
  .hero-stats{gap:14px 28px}
  .vid-grid{gap:36px}
  .phone{width:min(320px,100%)}
  .cta-inner{padding:48px 28px}
  .section{padding:clamp(56px,9vw,100px) 0}
}
@media (max-width:560px){
  .hero{padding:118px 0 56px}
  .hero h1{font-size:clamp(2.4rem,11.5vw,3.2rem)}
  .lead{font-size:1.05rem}
  .cta-row .btn{width:100%}
  .stat b{font-size:1.9rem}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .hero-stats .stat:last-child{grid-column:1/-1}
  .nav{height:68px;padding:0 10px 0 14px}
  .brand img{height:48px}
  .menu{inset:92px 12px auto 12px}
  .container{width:min(1180px,100% - 32px)}
  .head{margin-bottom:32px}
  .contact-card{padding:22px}
  .steps-mini li{grid-template-columns:38px 1fr;padding:14px}
  .steps-mini .n{width:38px;height:38px}
  .foot-brand{width:230px}
  .foot-bottom{flex-direction:column}
  .marquee .track span{font-size:.78rem}
  .watermark{width:200%}
}
@media (max-height:520px) and (orientation:landscape){.hero{padding:110px 0 50px}}
/* touch devices: no hover, so show the service photos uncovered */
@media (hover:none){
  .card .film{clip-path:inset(0 0 0 100%)}
  .card:hover img{transform:none}
}
img,video{height:auto}
.hero-video,.vw-bg{height:100%}