/* ===== Alap ===== */
:root{
  --bg:#0a0a0f;
  --bg-soft:#101019;
  --surface:#15151f;
  --surface-2:#1b1b27;
  --text:#eef0f6;
  --muted:#9aa0b4;
  --line:rgba(255,255,255,.08);
  --brand:#4f8cff;
  --brand-2:#7c5cff;
  --accent:#36e0c0;
  --radius:18px;
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand{font-family:'Sora',sans-serif;letter-spacing:-.02em;line-height:1.1}
h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;margin-bottom:.6rem}
h3{font-size:1.2rem;font-weight:600;margin-bottom:.4rem}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* ===== Gomb ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:100px;font-weight:600;font-size:.95rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;border:none;cursor:pointer;transition:.25s transform,.25s box-shadow;
  box-shadow:0 8px 30px -8px rgba(79,140,255,.6);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(124,92,255,.7)}
.btn-ghost{background:transparent;border:1px solid var(--line);box-shadow:none;color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);box-shadow:none}
.btn-sm{padding:.6rem 1.1rem;font-size:.85rem}
.btn-full{width:100%;padding:1rem}

/* ===== Navigáció ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:16px 24px;max-width:var(--maxw);margin:0 auto;
  transition:.3s;
}
.nav.scrolled{background:rgba(10,10,15,.75);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);border-radius:0 0 16px 16px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.15rem}
.brand-mark{width:30px;height:30px;display:block;flex:0 0 auto;filter:drop-shadow(0 4px 12px rgba(124,92,255,.45))}
.nav-links{display:flex;gap:1.6rem}
.nav-links a{color:var(--muted);font-size:.92rem;transition:.2s}
.nav-links a:hover{color:var(--text)}

/* ===== Egész oldalas 3D háttér ===== */
#bg3d{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;pointer-events:none}

/* ===== Hero ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;z-index:1}
.hero-glow{position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(600px 400px at 70% 30%,rgba(124,92,255,.18),transparent 70%),
             radial-gradient(500px 500px at 20% 70%,rgba(54,224,192,.12),transparent 70%);}
.hero-inner{position:relative;z-index:3;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.badge{display:inline-block;padding:.45rem 1rem;border:1px solid var(--line);border-radius:100px;
  font-size:.8rem;color:var(--accent);background:rgba(54,224,192,.06);margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:800;margin-bottom:1.2rem}
.grad{background:linear-gradient(120deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1rem,2vw,1.25rem);color:var(--muted);max-width:620px;margin-bottom:2rem}
.lead strong{color:var(--text)}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}
.hero-stats{display:flex;gap:2.5rem;flex-wrap:wrap}
.hero-stats strong{font-family:'Sora';font-size:2rem;font-weight:700;display:block;color:var(--text)}
.hero-stats span{font-size:.85rem;color:var(--muted)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  color:var(--muted);font-size:1.4rem;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ===== Szekciók ===== */
.section{padding:clamp(70px,10vw,120px) 0;position:relative;z-index:1;background:rgba(10,10,15,.62);backdrop-filter:blur(2px)}
.section-alt{background:rgba(17,17,26,.66)}
.section-cta{background:rgba(12,12,19,.72)}
.eyebrow{color:var(--accent);font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.7rem}
.section-lead{color:var(--muted);max-width:640px;margin-bottom:2.5rem;font-size:1.05rem}

/* ===== Kártyák ===== */
.grid{display:grid;gap:1.2rem;margin-top:2.5rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;
  transition:.3s transform,.3s border-color,.3s background}
.card:hover{transform:translateY(-6px);border-color:rgba(79,140,255,.4);background:var(--surface-2)}
.card-ico{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:13px;background:rgba(79,140,255,.10);border:1px solid var(--line);color:var(--accent);margin-bottom:1rem}
.card-ico svg{width:26px;height:26px}
.card p{color:var(--muted);font-size:.95rem}

/* ===== Fázisok ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2.5rem}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;position:relative;overflow:hidden}
.step-num{font-family:'Sora';font-size:2.4rem;font-weight:800;color:transparent;-webkit-text-stroke:1.5px rgba(124,92,255,.5);display:block;margin-bottom:.6rem}
.step p{color:var(--muted);font-size:.92rem}

/* ===== Split / panel ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.checklist{list-style:none;margin:1.5rem 0 2rem}
.checklist li{position:relative;padding-left:1.8rem;margin-bottom:.7rem;color:var(--muted)}
.checklist li::before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:700}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;
  box-shadow:0 30px 80px -30px rgba(124,92,255,.4)}
.panel-row{display:flex;justify-content:space-between;align-items:center;padding:.9rem 1rem;border-radius:12px;
  background:var(--surface-2);margin-bottom:.7rem;font-size:.95rem}
.panel-row:last-child{margin-bottom:0}
.pill{font-size:.72rem;font-weight:600;padding:.25rem .7rem;border-radius:100px;background:rgba(255,255,255,.06);color:var(--muted)}
.pill.on{background:rgba(54,224,192,.15);color:var(--accent)}
.pill.lock{background:rgba(79,140,255,.15);color:var(--brand)}

/* ===== GYIK ===== */
.faq{border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.3rem;margin-bottom:.8rem;background:var(--surface);cursor:pointer}
.faq summary{font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:'+';color:var(--accent);font-size:1.4rem;transition:.3s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin-top:.8rem;font-size:.95rem}

/* ===== Űrlap ===== */
.form{margin-top:2.5rem;display:flex;flex-direction:column;gap:1.7rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;align-items:end}
/* number-mezők azonos kinézete a text-mezőkkel (nincs pörgető-nyíl) */
.form input[type=number]{-moz-appearance:textfield;appearance:textfield}
.form input[type=number]::-webkit-outer-spin-button,
.form input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
/* 3 mező egy sorban (fent kötelező, lent opcionális) */
.form-row.trio{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.form-row.trio{grid-template-columns:1fr}}
.form label{display:flex;flex-direction:column;gap:.4rem;font-size:.85rem;color:var(--muted)}
.form input,.form select,.form textarea{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.95rem 1.1rem;
  color:var(--text);font-family:inherit;font-size:.95rem;transition:.2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,140,255,.15)}
.form textarea{resize:vertical}
.check{flex-direction:row!important;align-items:center;gap:.6rem;font-size:.85rem}
.check input{width:auto}
.form-note{font-size:.9rem;text-align:center;min-height:1.2rem}
.form-note.ok{color:var(--accent)}
.form-note.err{color:#ff6b6b}

/* Chip választó (rádió) */
.choice{border:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.9rem}
.choice legend{padding:0;font-size:.85rem;color:var(--muted)}
.opt{font-size:.75rem;color:var(--muted);opacity:.6;font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:.7rem}
.chip{position:relative;display:inline-flex;cursor:pointer}
.chip input{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;opacity:0;cursor:pointer;border:none}
.chip span{display:inline-block;padding:.72rem 1.25rem;border:1px solid var(--line);border-radius:100px;
  font-size:.9rem;color:var(--muted);background:var(--surface);transition:.2s;user-select:none}
.chip:hover span{border-color:rgba(79,140,255,.5);color:var(--text)}
.chip input:checked + span{color:var(--text);background:rgba(79,140,255,.14);border-color:var(--brand);box-shadow:0 0 0 1px var(--brand) inset}
.chip input:focus-visible + span{box-shadow:0 0 0 3px rgba(79,140,255,.3)}

/* ===== Lábléc ===== */
.footer{position:relative;z-index:1;background:rgba(13,13,20,.82);border-top:1px solid var(--line);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.footer p{color:var(--muted);font-size:.92rem;margin-top:.4rem}
.footer h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin-bottom:.6rem}
.footer a:hover{color:var(--brand)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;
  padding-top:1.5rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}

/* ===== Reveal animáció ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Reszponzív ===== */
@media(max-width:900px){
  .nav-links{display:none}
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid-3,.steps,.gallery,.form-row,.footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:1.5rem}
  .hero-stats strong{font-size:1.6rem}
}
/* ===== Animált réteg ===== */

/* Scroll-progress sáv */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--accent));
  box-shadow:0 0 12px rgba(79,140,255,.6);transition:width .1s linear}

/* Animált gradient szöveg */
.grad{background:linear-gradient(120deg,var(--brand),var(--brand-2),var(--accent),var(--brand));
  background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradflow 9s ease infinite}
@keyframes gradflow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

/* Badge élő pont */
.badge::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--accent);margin-right:.55rem;vertical-align:middle;
  box-shadow:0 0 0 0 rgba(54,224,192,.6);animation:ping 2.2s ease-out infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(54,224,192,.5)}70%,100%{box-shadow:0 0 0 9px rgba(54,224,192,0)}}

/* Gomb fénycsík-sweep */
.btn{position:relative;overflow:hidden;will-change:transform}
.btn::after{content:'';position:absolute;top:0;left:-130%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-18deg);pointer-events:none}
.btn:hover::after{left:140%;transition:left .75s ease}

/* Nav aláhúzás */
.nav-links a::after{content:'';position:absolute;left:0;bottom:-5px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .28s ease}
.nav-links a:hover::after{width:100%}

/* Kártya 3D-billenés + fénykövetés + ikon */
.card{position:relative;transform-style:preserve-3d;overflow:hidden;
  transition:transform .2s ease,border-color .3s,background .3s,opacity .8s,filter .8s}
.card::before{content:'';position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .3s;pointer-events:none;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(79,140,255,.16),transparent 60%)}
.card:hover::before{opacity:1}
.card>*{position:relative}
.card-ico{display:inline-block;transition:transform .3s}
.card:hover .card-ico{transform:translateY(-4px) scale(1.14)}

/* Finomabb reveal (blur is) + variánsok */
.reveal{opacity:0;transform:translateY(30px);filter:blur(6px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1),filter .8s}
.reveal.in{opacity:1;transform:none;filter:none}
.reveal.rv-left{transform:translateX(-42px)}
.reveal.rv-right{transform:translateX(42px)}
.reveal.rv-scale{transform:scale(.92)}

/* Capability marquee */
.marquee{position:relative;z-index:1;overflow:hidden;padding:14px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(10,10,15,.5);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:inline-flex;gap:2.6rem;white-space:nowrap;animation:marq 30s linear infinite;will-change:transform}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{color:var(--muted);font-family:'Sora';font-weight:600;font-size:.95rem;display:inline-flex;align-items:center;gap:.6rem}
.marquee span::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.7}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Élő vezérlőpanel */
.panel{position:relative;overflow:hidden}
.panel-head{display:flex;align-items:center;gap:.5rem;font-family:'Sora';font-weight:600;font-size:.9rem;color:var(--text);margin-bottom:1rem}
.panel-head b{color:var(--accent);font-weight:600}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 rgba(54,224,192,.6);animation:ping 2.2s ease-out infinite}
.panel .val{font-size:.85rem;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;transition:.3s}
.panel-row .pill{transition:.3s}
.panel-row.flash{background:rgba(79,140,255,.16);transform:translateX(2px)}
.bar{height:6px;border-radius:100px;background:var(--surface-2);overflow:hidden;margin:-.15rem 0 .7rem}
.bar i{display:block;height:100%;width:75%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .6s cubic-bezier(.2,.7,.2,1)}
.pill.off{background:rgba(255,255,255,.06);color:var(--muted)}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .scroll-hint{animation:none}
  .grad,.badge::before,.live-dot,.marquee-track{animation:none}
  .card{transform:none!important}
}