/* RevnovaLab – Premium Black / Yellow / White */
:root{--y:#ffc700;--y2:#ffe27a;--k:#0a0a0a;--k2:#141414;--w:#fff;--mut:#a1a1aa;--line:rgba(255,255,255,.1);--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Segoe UI",Arial,sans-serif;color:var(--mut);line-height:1.7;background:var(--k);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}ul{list-style:none}
h1,h2,h3,.logo{font-family:"Sora","Segoe UI",Arial,sans-serif}
.container{max-width:1140px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.narrow{max-width:760px}
::selection{background:var(--y);color:#000}

/* background */
.bg-3d{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;perspective:700px}
.grid-floor{position:absolute;left:-50%;right:-50%;bottom:-25%;height:75%;transform:rotateX(68deg);transform-origin:50% 100%;background-image:linear-gradient(rgba(255,199,0,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(255,199,0,.13) 1px,transparent 1px);background-size:80px 80px;animation:gm 4s linear infinite;-webkit-mask-image:linear-gradient(transparent,#000 70%);mask-image:linear-gradient(transparent,#000 70%)}
@keyframes gm{to{background-position:0 80px}}
.orb{position:absolute;border-radius:50%;filter:blur(110px);animation:fl 14s ease-in-out infinite}
.o1{width:460px;height:460px;background:var(--y);opacity:.16;top:-160px;right:-80px}
.o2{width:300px;height:300px;background:#fff;opacity:.05;top:40%;left:-100px}
.o3{display:none}
@keyframes fl{50%{transform:translate3d(30px,-40px,0)}}
.glow{position:fixed;width:340px;height:340px;border-radius:50%;pointer-events:none;z-index:1;left:0;top:0;background:radial-gradient(circle,rgba(255,199,0,.08),transparent 65%)}
#prog{position:fixed;top:0;left:0;height:3px;width:0;z-index:300;background:var(--y);box-shadow:0 0 12px var(--y)}

/* buttons */
.btn{display:inline-block;position:relative;overflow:hidden;background:var(--y);color:#000;padding:14px 30px;border-radius:12px;font-weight:700;border:0;cursor:pointer;font-size:16px;font-family:inherit;transition:.35s var(--ease);box-shadow:0 10px 30px rgba(255,199,0,.3)}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,199,0,.45)}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);transform:skewX(-20deg);animation:sh 4s infinite}
@keyframes sh{60%,100%{left:150%}}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);box-shadow:none}
.btn-outline:hover{border-color:var(--y);color:var(--y);box-shadow:none}
.btn-small{padding:9px 20px;font-size:14px}

/* header */
.header{position:sticky;top:0;z-index:100;background:rgba(10,10,10,.6);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
.header.scrolled{border-color:var(--line);background:rgba(10,10,10,.9)}
.nav{display:flex;justify-content:space-between;align-items:center;height:74px}
.logo{font-size:24px;font-weight:800;color:#fff;letter-spacing:-.5px}.logo span{color:var(--y)}
.menu{display:flex;align-items:center;gap:30px}
.menu a:not(.btn){font-size:15px;color:#d4d4d8;position:relative;transition:.2s}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--y);transition:.3s}
.menu a:not(.btn):hover{color:#fff}.menu a:not(.btn):hover::after{width:100%}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:28px;cursor:pointer}

/* hero */
.hero{padding:90px 0 130px;color:#fff}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,199,0,.35);background:rgba(255,199,0,.07);padding:7px 18px;border-radius:30px;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--y);margin-bottom:26px}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--y);box-shadow:0 0 10px var(--y);animation:bl 1.6s infinite}
@keyframes bl{50%{opacity:.25}}
.hero h1{font-size:52px;line-height:1.12;font-weight:800;letter-spacing:-1.5px;margin-bottom:22px;color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--y),var(--y2),var(--y));background-size:200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shm 5s linear infinite}
@keyframes shm{to{background-position:200% 0}}
.hero p{font-size:18px;margin-bottom:34px;max-width:540px;color:#c4c4cc}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}

/* 3D dashboard */
.scene{position:relative;perspective:1400px;padding:20px 0}
.dash{transform-style:preserve-3d;transform:rotateY(-16deg) rotateX(7deg) rotateZ(1.5deg);animation:df 7s ease-in-out infinite alternate;background:linear-gradient(150deg,#1c1c1c,#0d0d0d);border:1px solid rgba(255,199,0,.3);border-radius:22px;padding:24px;box-shadow:0 50px 90px rgba(0,0,0,.7),0 0 70px rgba(255,199,0,.14)}
@keyframes df{to{transform:rotateY(-8deg) rotateX(4deg) rotateZ(0) translateY(-10px)}}
.dash-top{display:flex;justify-content:space-between;font-size:13px;color:#d4d4d8;margin-bottom:16px}
.dash-top b{color:#000;background:var(--y);padding:2px 12px;border-radius:20px;font-size:11px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
.kpis div{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.kpis small{display:block;font-size:11px;color:var(--mut)}.kpis strong{font-family:Sora,sans-serif;font-size:21px;color:#fff}
.dash svg{width:100%;height:auto;display:block}
.dash-foot{font-size:11px;color:#71717a;margin-top:8px}
.float{position:absolute;padding:10px 16px;border-radius:14px;font-size:13px;font-weight:600;box-shadow:0 20px 40px rgba(0,0,0,.5);animation:fl 6s ease-in-out infinite}
.fa{top:-2px;right:-6px;background:#fff;color:#000}.fa b{color:#16a34a}
.fb{bottom:6px;left:-14px;background:var(--y);color:#000;animation-delay:-3s}

/* stats */
.stats{margin-top:-55px;position:relative;z-index:3}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:22px;padding:34px 10px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.5);border-bottom:4px solid var(--y)}
.stats-grid h3{font-size:38px;color:#0a0a0a;font-weight:800}.stats-grid h3 .count{color:#0a0a0a}
.stats-grid p{font-size:14px;color:#52525b}

/* sections */
.section{padding:105px 0;position:relative}
.light{background:#fff;color:#52525b}
.dark{background:linear-gradient(180deg,var(--k),var(--k2))}
.section h2{font-size:36px;font-weight:800;text-align:center;color:#fff;letter-spacing:-1px;margin-bottom:12px}
.light h2,.light h3{color:#0a0a0a}
.section h2::after{content:"";display:block;width:60px;height:4px;margin:16px auto 0;border-radius:4px;background:var(--y)}
.sub{text-align:center;margin:0 auto 58px;max-width:560px}

/* cards */
.cards,.steps,.why{display:grid;gap:26px;perspective:1200px}
.cards{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.steps{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.why{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card,.step,.why-item,.chart-card{position:relative;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:20px;padding:32px;transform-style:preserve-3d;transition:transform .15s ease-out,border-color .3s,box-shadow .3s;will-change:transform}
.card h3,.step h3,.why-item h3{color:#fff;margin-bottom:8px;transform:translateZ(28px)}
.light .card,.light .chart-card{background:#fff;border:1px solid #ececec;box-shadow:0 14px 40px rgba(0,0,0,.06)}
.card:hover,.chart-card:hover{border-color:var(--y);box-shadow:0 30px 60px rgba(0,0,0,.15),0 0 0 1px var(--y)}
.icon{width:56px;height:56px;border-radius:16px;background:var(--y);color:#000;display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800;margin-bottom:18px;transform:translateZ(44px);box-shadow:0 12px 26px rgba(255,199,0,.45)}
.card p{transform:translateZ(12px)}
.step{text-align:center}
.step span{display:inline-flex;width:54px;height:54px;border-radius:50%;background:var(--y);color:#000;font-family:Sora,sans-serif;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px;transform:translateZ(44px);box-shadow:0 0 0 7px rgba(255,199,0,.15)}
.why-item{border-left:3px solid var(--y);border-radius:6px 20px 20px 6px}
.why-item:hover,.step:hover{border-color:var(--y)}

/* graphs */
.charts{display:grid;grid-template-columns:1.5fr 1fr;gap:26px;perspective:1200px}
.charts .wide{grid-column:1/-1}
.chart-card h3{font-size:17px;margin-bottom:4px}.chart-card>p{font-size:13px;margin-bottom:18px;color:#71717a}
.chart-card svg{width:100%;height:auto;display:block;overflow:visible}
.gl{stroke:#eee;stroke-width:1}.ax{font:11px Inter,sans-serif;fill:#a1a1aa}
.line{fill:none;stroke:#0a0a0a;stroke-width:3;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.dash .line{stroke:var(--y);animation:dr 2.5s .3s var(--ease) forwards}
.in .line{animation:dr 2.2s var(--ease) forwards}
@keyframes dr{to{stroke-dashoffset:0}}
.area{opacity:0;transition:opacity 1.5s .8s}.in .area,.dash .area{opacity:1}
.dot{fill:var(--y);stroke:#0a0a0a;stroke-width:3;opacity:0;transition:opacity .4s 2s}.in .dot{opacity:1}
.bars{display:flex;align-items:flex-end;gap:16px;height:190px;border-bottom:1px solid #ddd}
.bar{flex:1;text-align:center;height:100%;display:flex;flex-direction:column;justify-content:flex-end;font-size:12px;color:#52525b}
.bar i{display:block;width:100%;height:0;border-radius:10px 10px 0 0;background:#0a0a0a;transition:height 1.4s var(--ease);margin-top:6px}
.bar:last-child i{background:var(--y);box-shadow:0 0 24px rgba(255,199,0,.6)}
.in .bar i{height:var(--h)}
.bar-lbl{display:flex;gap:16px;font-size:12px;margin-top:8px;text-align:center}.bar-lbl span{flex:1}
.donut-wrap{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.donut{width:150px;height:150px;transform:rotate(-90deg)}
.donut circle{fill:none;stroke-width:5.5;stroke-dasharray:0 100;transition:stroke-dasharray 1.6s var(--ease)}
.in .donut circle{stroke-dasharray:var(--d) calc(100 - var(--sd))}
.legend li{font-size:14px;margin-bottom:8px;color:#27272a}.legend li::before{content:"";display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:10px;background:var(--c)}
.disc{text-align:center;font-size:12px;color:#a1a1aa;margin-top:22px}

/* faq */
details{background:#fafafa;border:1px solid #ececec;border-radius:14px;padding:20px 24px;margin-bottom:14px;transition:.3s}
details[open]{border-color:var(--y);box-shadow:0 14px 34px rgba(0,0,0,.07)}
summary{cursor:pointer;font-weight:600;color:#0a0a0a;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";font-size:24px;line-height:1;color:#d4a000;transition:.3s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px}

/* contact */
.contact h2{text-align:left}.contact h2::after{margin-left:0}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;perspective:1400px}
.contact-info p{margin:14px 0 26px}
.contact-info li{margin-bottom:14px;color:#fff}
.contact-info a{color:var(--y)}.contact-info a:hover{text-decoration:underline}
.form{background:#fff;color:#27272a;padding:36px;border-radius:24px;box-shadow:0 40px 80px rgba(0,0,0,.6),0 0 60px rgba(255,199,0,.12);transform:rotateY(-5deg);transition:transform .5s var(--ease);border-top:4px solid var(--y)}
.form:hover,.form:focus-within{transform:rotateY(0)}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:16px;color:#0a0a0a}
.form input,.form select,.form textarea{width:100%;margin-top:7px;padding:13px 14px;background:#f7f7f8;color:#0a0a0a;border:1px solid #e4e4e7;border-radius:10px;font-size:15px;font-family:inherit;transition:.25s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;background:#fff;border-color:var(--y);box-shadow:0 0 0 4px rgba(255,199,0,.25)}
.form .btn{width:100%}.note{margin-top:12px;font-size:14px;color:#dc2626;min-height:20px}

.footer{position:relative;z-index:2;background:#000;border-top:1px solid var(--line);text-align:center;padding:36px 0;font-size:14px}
.footer .logo{margin-bottom:6px}

/* floating buttons */
.fab{position:fixed;right:20px;bottom:22px;z-index:120;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:23px;color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.5);transition:.3s;animation:pu 2.6s infinite}
.fab a:hover{transform:scale(1.12)}
.fab .wa{background:#25d366;--pc:37,211,102}.fab .call{background:var(--y);color:#000;--pc:255,199,0}
@keyframes pu{0%{box-shadow:0 0 0 0 rgba(var(--pc),.55)}70%,100%{box-shadow:0 0 0 16px rgba(var(--pc),0)}}

.reveal{opacity:0;transform:perspective(900px) translateY(40px) rotateX(-8deg);transition:opacity .8s,transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){.hero-inner{grid-template-columns:1fr;text-align:center}.hero p{margin-inline:auto}.hero-buttons{justify-content:center}.charts{grid-template-columns:1fr}.dash{transform:none;animation:none}.scene{max-width:480px;margin:0 auto}}
@media(max-width:800px){
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:74px;left:0;right:0;background:rgba(10,10,10,.97);flex-direction:column;padding:22px;gap:18px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .hero{padding:60px 0 100px}.hero h1{font-size:34px}.hero p{font-size:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .contact-grid{grid-template-columns:1fr}.form{transform:none}.contact h2{text-align:center}.contact h2::after{margin-left:auto}
  .section{padding:72px 0}.section h2{font-size:27px}.float{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.line{stroke-dashoffset:0}.bar i{height:var(--h)}.donut circle{stroke-dasharray:var(--d) calc(100 - var(--sd))}.area,.dot{opacity:1}}

/* fixes */
.chart-card .donut{width:150px;height:150px;flex:none}
.chart-card svg.lbls{margin-top:6px}.lbls .ax{font-size:9px}
.chart-card .dash-svg{max-height:230px}