:root{
  --bg:#f6f7fb; --bg2:#eceff7; --card:rgba(255,255,255,.75); --line:rgba(15,23,42,.08);
  --text:#0f172a; --muted:#55607a; --brand:#2563eb; --brand2:#7c3aed; --sun:#f59e0b; --bolt:#eab308; --ok:#10b981;
  --grad:linear-gradient(120deg,#2563eb,#7c3aed 50%,#f59e0b);
  --shadow:0 10px 30px -12px rgba(15,23,42,.18); --r:20px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#070b17; --bg2:#0d1325; --card:rgba(22,30,54,.6); --line:rgba(255,255,255,.08);
  --text:#e8ecf7; --muted:#9aa5c0; --shadow:0 20px 40px -20px rgba(0,0,0,.7);
}}
:root[data-theme="dark"]{
  --bg:#070b17; --bg2:#0d1325; --card:rgba(22,30,54,.6); --line:rgba(255,255,255,.08);
  --text:#e8ecf7; --muted:#9aa5c0; --shadow:0 20px 40px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;transition:background .4s,color .4s}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)} h2{font-size:clamp(1.8rem,4vw,2.8rem)} h3{font-size:1.3rem}
a{color:inherit}
img{max-width:100%}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.narrow{width:min(820px,100% - 32px)}
.muted{color:var(--muted)}
.fine{font-size:.8rem;color:var(--muted);margin-top:1rem}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;font-weight:700;color:var(--brand);margin-bottom:.6rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}

.progress{position:fixed;inset:0 auto auto 0;height:3px;width:0;background:var(--grad);z-index:100}

/* NAV */
.nav{position:fixed;top:12px;left:50%;translate:-50% 0;width:min(1220px,100% - 24px);z-index:50;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem .8rem .6rem 1.1rem;border-radius:18px;background:var(--card);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border:1px solid var(--line);box-shadow:var(--shadow);transition:top .3s}
.logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;font-family:"Space Grotesk";font-size:1.35rem;font-weight:700}
.logo b{color:var(--brand)}
.links{display:flex;gap:.2rem}
.links a{text-decoration:none;padding:.45rem .75rem;border-radius:10px;font-size:.92rem;font-weight:500;color:var(--muted);transition:.2s}
.links a:hover,.links a.active{color:var(--text);background:var(--line)}
.nav-actions{display:flex;align-items:center;gap:.5rem}
.icon-btn{border:1px solid var(--line);background:transparent;color:var(--text);width:40px;height:40px;border-radius:12px;display:grid;place-items:center;cursor:pointer}
.burger{display:none;gap:4px;align-content:center}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:.3s}
.open-badge{display:flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:600;padding:.35rem .7rem;border-radius:99px;background:var(--line);white-space:nowrap}
.open-badge i{width:8px;height:8px;border-radius:50%;background:#94a3b8}
.open-badge.on i{background:var(--ok);box-shadow:0 0 0 0 var(--ok);animation:ping 1.8s infinite}
.open-badge em{font-style:normal}
@keyframes ping{70%{box-shadow:0 0 0 8px transparent}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 1.5rem;border-radius:14px;border:0;font:600 1rem Inter,sans-serif;text-decoration:none;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand2));box-shadow:0 10px 25px -10px var(--brand);cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px var(--brand2)}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.35),transparent 70%);translate:-100% 0;transition:translate .6s}
.btn:hover::after{translate:100% 0}
.btn-sm{padding:.55rem 1rem;font-size:.9rem;border-radius:12px}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.w100{width:100%}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 0;overflow:hidden}
#sparks{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.hero-glow{position:absolute;inset:-20%;background:radial-gradient(40% 40% at 20% 30%,rgba(37,99,235,.25),transparent 70%),radial-gradient(35% 35% at 80% 20%,rgba(124,58,237,.22),transparent 70%),radial-gradient(30% 30% at 70% 80%,rgba(245,158,11,.18),transparent 70%);filter:blur(40px);animation:drift 18s ease-in-out infinite alternate;pointer-events:none}
@keyframes drift{to{transform:translate(4%,-3%) rotate(6deg)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.lead{font-size:1.2rem;color:var(--muted);margin:1.2rem 0 2rem;max-width:36ch}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem}
.stats{display:flex;gap:2.2rem;list-style:none;padding:0;margin-top:2.5rem}
.stats b{display:block;font:700 2rem "Space Grotesk"}
.stats span{font-size:.85rem;color:var(--muted)}
.hero-visual{position:relative;aspect-ratio:1;max-width:480px;justify-self:center;width:100%}
.tv{position:absolute;inset:14% 6% 18%;display:flex;flex-direction:column;align-items:center;animation:float 6s ease-in-out infinite}
.tv-screen{position:relative;width:100%;flex:1;border-radius:18px;background:linear-gradient(135deg,#0b1229,#1e1b4b);border:10px solid #111827;box-shadow:0 30px 60px -20px rgba(37,99,235,.6),inset 0 0 60px rgba(124,58,237,.5);overflow:hidden;color:#60a5fa}
.scan{position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 2px,transparent 2px 4px)}
.scan::after{content:"";position:absolute;left:0;right:0;height:30%;background:linear-gradient(transparent,rgba(96,165,250,.18),transparent);animation:scan 3s linear infinite}
@keyframes scan{from{top:-30%}to{top:100%}}
.pulse{position:absolute;inset:0;display:grid;place-items:center;padding:0 10%}
.pulse svg{width:100%;filter:drop-shadow(0 0 8px #60a5fa)}
.pulse polyline{stroke-dasharray:400;stroke-dashoffset:400;animation:dash 2.4s ease-in-out infinite}
@keyframes dash{60%,100%{stroke-dashoffset:0}}
.tv-stand{width:30%;height:22px;background:#1f2937;clip-path:polygon(35% 0,65% 0,100% 100%,0 100%)}
@keyframes float{50%{transform:translateY(-12px)}}
.float-card{position:absolute;display:flex;gap:.7rem;align-items:center;padding:.7rem 1rem;border-radius:16px;background:var(--card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:var(--shadow);font-size:.9rem;animation:float 7s ease-in-out infinite}
.float-card span{font-size:1.5rem}
.float-card small{display:block;color:var(--muted);font-size:.75rem}
.fc1{top:4%;left:-4%}.fc2{bottom:6%;right:-2%;animation-delay:-2s}.fc3{top:44%;right:-8%;animation-delay:-4s}
.marquee{position:relative;margin-top:4rem;padding:1.2rem 0;border-block:1px solid var(--line);overflow:hidden;mask:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee div{display:flex;gap:3.5rem;width:max-content;animation:marq 40s linear infinite}
.marquee span{font:600 1.1rem "Space Grotesk";color:var(--muted);opacity:.7;white-space:nowrap}
@keyframes marq{to{transform:translateX(-50%)}}

/* SECTIONS */
.section{padding:clamp(4rem,10vw,7rem) 0}
.section.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.sec-head .muted{margin-top:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow)}

.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:1.2rem}
.bento .card{grid-column:span 3;position:relative;overflow:hidden;transition:transform .25s,border-color .3s;transform-style:preserve-3d}
.bento .c-tv,.bento .c-bolt{grid-column:span 4}.bento .c-sun,.bento .c-el{grid-column:span 2}
.bento .c-el{grid-column:span 2}.bento .c-bolt{grid-column:span 4}
.bento .card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),var(--accent,rgba(37,99,235,.18)),transparent 40%);opacity:0;transition:opacity .3s;pointer-events:none}
.bento .card:hover::before{opacity:1}
.c-tv{--accent:rgba(37,99,235,.22)}.c-sun{--accent:rgba(245,158,11,.25)}.c-el{--accent:rgba(16,185,129,.22)}.c-bolt{--accent:rgba(234,179,8,.28)}
.ico{font-size:2.2rem;width:64px;height:64px;display:grid;place-items:center;border-radius:18px;background:var(--line);margin-bottom:1rem}
.card h3{margin-bottom:.6rem}
.card p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;padding:0;margin:1.1rem 0}
.tags li{font-size:.78rem;padding:.25rem .65rem;border-radius:99px;border:1px solid var(--line)}
.more{background:none;border:0;color:var(--brand);font:600 .95rem Inter;cursor:pointer;padding:0}
.more:hover{text-decoration:underline}

/* CALC */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.range{display:block;margin:2rem 0 1.2rem}
.range span{display:block;margin-bottom:.8rem;font-weight:500}
.range b{font-family:"Space Grotesk";font-size:1.4rem;color:var(--sun)}
input[type=range]{width:100%;appearance:none;height:8px;border-radius:99px;background:linear-gradient(90deg,var(--sun) var(--p,20%),var(--line) var(--p,20%));outline:none}
input[type=range]::-webkit-slider-thumb{appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:4px solid var(--sun);box-shadow:0 4px 14px rgba(245,158,11,.5);cursor:grab}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--sun);cursor:grab}
.switch{display:inline-flex;align-items:center;gap:.7rem;cursor:pointer;font-weight:500}
.switch input{display:none}
.switch span{width:46px;height:26px;border-radius:99px;background:var(--line);position:relative;transition:.3s;border:1px solid var(--line)}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.3s;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--sun)}
.switch input:checked+span::after{left:23px}
.calc-out{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:2rem;box-shadow:var(--shadow)}
.gauge{position:relative;width:170px;margin:0 auto 1.5rem}
.gauge svg{transform:rotate(-90deg)}
.gauge circle{fill:none;stroke-width:10}
.g-bg{stroke:var(--line)}
.g-fg{stroke:var(--sun);stroke-linecap:round;stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset .6s cubic-bezier(.2,.8,.2,1);filter:drop-shadow(0 0 6px rgba(245,158,11,.6))}
.g-text{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.g-text b{font:700 2.4rem "Space Grotesk"}
.g-text small{color:var(--muted)}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-bottom:1.5rem}
.kpis div{padding:.8rem 1rem;border-radius:14px;background:var(--line)}
.kpis dt{font-size:.75rem;color:var(--muted)}
.kpis dd{font:700 1.15rem "Space Grotesk"}

/* VILLÁMKÁR */
.bolt-sec{position:relative;background:radial-gradient(60% 60% at 50% 0%,rgba(234,179,8,.12),transparent)}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:s}
.steps li{padding:1.5rem;border-radius:var(--r);background:var(--card);border:1px solid var(--line);position:relative}
.steps b{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--bolt),#f97316);color:#111;font:700 1.1rem "Space Grotesk";margin-bottom:.9rem}
.steps h4{margin-bottom:.4rem}
.steps p{color:var(--muted);font-size:.95rem}
.check{margin-top:2.5rem;padding:2rem;border-radius:var(--r);border:1px dashed var(--bolt);background:var(--card)}
.qs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.6rem;margin:1.2rem 0}
.qs label{display:flex;gap:.6rem;align-items:center;padding:.7rem .9rem;border-radius:12px;background:var(--line);cursor:pointer}
.qs input{accent-color:var(--bolt);width:18px;height:18px}
.meter{height:10px;border-radius:99px;background:var(--line);overflow:hidden;margin-bottom:.7rem}
.meter div{height:100%;width:0;background:linear-gradient(90deg,var(--ok),var(--bolt),#ef4444);transition:width .5s}

/* PRICES */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.price{position:relative;padding:1.8rem;border-radius:var(--r);background:var(--card);border:1px solid var(--line);transition:transform .25s}
.price:hover{transform:translateY(-4px)}
.price h4{font-size:1rem;color:var(--muted);font-family:Inter;font-weight:600;min-height:2.6em}
.amt{font:700 2.1rem "Space Grotesk";margin:.4rem 0}
.price small{color:var(--muted)}
.price.hot{border:2px solid transparent;background:linear-gradient(var(--bg2),var(--bg2)) padding-box,var(--grad) border-box}
.pill{position:absolute;top:-12px;right:16px;font-size:.72rem;font-weight:700;padding:.25rem .7rem;border-radius:99px;background:var(--grad);color:#fff}

/* TIMELINE */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;position:relative}
.timeline::before{content:"";position:absolute;top:26px;left:5%;right:5%;height:2px;background:var(--grad);opacity:.5}
.tl{position:relative;text-align:center;padding:0 .4rem}
.tl span{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 1rem;border-radius:50%;background:var(--bg);border:2px solid var(--brand);font:700 1rem "Space Grotesk";color:var(--brand);position:relative}
.tl h4{margin-bottom:.4rem}
.tl p{color:var(--muted);font-size:.92rem}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:1.2rem 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";font-size:1.5rem;line-height:1;transition:transform .3s;color:var(--brand)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin-top:.8rem}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start}
.contact-list{list-style:none;padding:0;margin:1.5rem 0;display:grid;gap:.9rem}
.contact-list li{display:flex;gap:.8rem;align-items:center}
.contact-list li>span:first-child{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--line)}
.contact-list a{text-decoration:none;font-weight:600}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.map iframe{width:100%;height:100%;border:0;filter:saturate(.8)}
.form{display:grid;gap:1rem}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;padding:.35rem;border-radius:14px;background:var(--line)}
.seg input{display:none}
.seg span{display:block;text-align:center;padding:.6rem .3rem;border-radius:10px;cursor:pointer;font-size:.88rem;font-weight:600;transition:.25s}
.seg input:checked+span{background:var(--bg);box-shadow:var(--shadow);color:var(--brand)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.fl{position:relative;display:block}
.fl input,.fl textarea{width:100%;padding:1.3rem 1rem .5rem;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:1rem Inter;resize:vertical;transition:border-color .2s,box-shadow .2s}
.fl input:focus,.fl textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.fl span{position:absolute;left:1rem;top:.95rem;color:var(--muted);pointer-events:none;transition:.2s;font-size:1rem}
.fl input:focus+span,.fl input:not(:placeholder-shown)+span,.fl textarea:focus+span,.fl textarea:not(:placeholder-shown)+span{top:.35rem;font-size:.72rem;color:var(--brand)}
.hp{position:absolute;left:-9999px}
.form-msg{min-height:1.4em;text-align:center;font-weight:500}
.form-msg.ok{color:var(--ok)}.form-msg.err{color:#ef4444}

.footer{padding:2.5rem 0 5rem;border-top:1px solid var(--line)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;color:var(--muted)}
.foot b{color:var(--text)}
.fab{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;display:none;place-items:center;font-size:1.5rem;text-decoration:none;background:linear-gradient(135deg,var(--ok),#059669);box-shadow:0 10px 25px -5px rgba(16,185,129,.6);z-index:60;animation:ping 2s infinite}
.toast{position:fixed;left:50%;bottom:24px;translate:-50% 150%;padding:.9rem 1.4rem;border-radius:14px;background:var(--text);color:var(--bg);font-weight:600;transition:translate .4s cubic-bezier(.2,.9,.3,1.3);z-index:90}
.toast.show{translate:-50% 0}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* RESPONSIVE */
@media (max-width:1080px){
  .links{position:fixed;top:76px;left:12px;right:12px;flex-direction:column;padding:1rem;border-radius:18px;background:var(--bg);border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-10px);transition:.3s}
  .links.open{opacity:1;pointer-events:auto;transform:none}
  .links a{padding:.8rem 1rem;font-size:1rem}
  .burger{display:grid}
  .nav-actions .btn-sm{display:none}
}
@media (max-width:900px){
  .hero-grid,.calc-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{max-width:360px}
  .bento .card{grid-column:span 6!important}
  .steps{grid-template-columns:1fr 1fr}
  .prices{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr;gap:1.5rem}
  .timeline::before{left:26px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .tl{display:grid;grid-template-columns:54px 1fr;column-gap:1rem;text-align:left}
  .tl span{margin:0;grid-row:span 2}
  .fab{display:grid}
}
@media (max-width:560px){
  .open-badge{display:none}
  .stats{gap:1.2rem}
  .steps,.prices,.row,.kpis{grid-template-columns:1fr}
  .seg{grid-template-columns:1fr 1fr}
  .float-card{font-size:.78rem;padding:.5rem .7rem}
  .fc3{right:-2%}
  .fc1{left:0}
}