:root{
  --bg:#05070a;
  --panel:rgba(255,255,255,.04);
  --panel-strong:rgba(255,255,255,.09);
  --text:#f5f5f5;
  --muted:#a8a8a8;
  --accent1:#ffffff;
  --accent2:#bfbfbf;
  --accent3:#707070;
  --line:#1a1a1a;
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.04);
}
*{box-sizing:border-box}
html,body{
  margin:0;
  height:100%;
  background:var(--bg);
  color:var(--text);
  font-family:Manrope,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.muted{color:var(--muted)}

/* ===== BG + CSILLAGOS ÉG ===== */
.bg-wrap{
  position:fixed;
  inset:0;
  z-index:0;          /* -2 HELYETT 0 !!! */
  overflow:hidden;
  pointer-events:none;
  background:#000;
}


/* grad most nem kell, fekete éjjel + csillagok */
.grad{
  display:none;
}

/* alap csillagmező */
.stars{
  position:absolute;
  inset:0;
  background:#000;
  overflow:hidden;
  opacity:0.35;  /* kicsit erősebb, hogy biztos lásd */
}


/* sok kicsi csillag */
.stars{
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff 1px, transparent 1px),
    radial-gradient(1px 1px at 80% 40%, #fff 1px, transparent 1px),
    radial-gradient(1px 1px at 60% 80%, #fff 1px, transparent 1px),
    radial-gradient(1px 1px at 40% 60%, #fff 1px, transparent 1px),
    radial-gradient(1px 1px at 10% 70%, #fff 1px, transparent 1px),
    radial-gradient(1px 1px at 90% 20%, #fff 1px, transparent 1px);
  background-size:
    400px 400px,
    420px 420px,
    450px 450px,
    470px 470px,
    500px 500px,
    550px 550px;
}

/* közepes csillagok */
.stars::before{
  content:"";
  position:absolute;
  inset:0;
  background-repeat:repeat;
  background-image:
    radial-gradient(2px 2px at 15% 25%, #fff 1px, transparent 1px),
    radial-gradient(2px 2px at 70% 50%, #fff 1px, transparent 1px),
    radial-gradient(2px 2px at 40% 80%, #fff 1px, transparent 1px),
    radial-gradient(2px 2px at 85% 70%, #fff 1px, transparent 1px);
  background-size:
    600px 600px,
    700px 700px,
    800px 800px,
    900px 900px;
  opacity:0.7;
  animation: starMove 120s linear infinite;
}

/* nagy csillagok */
.stars::after{
  content:"";
  position:absolute;
  inset:0;
  background-repeat:repeat;
  background-image:
    radial-gradient(3px 3px at 30% 30%, #fff 1px, transparent 1px),
    radial-gradient(3px 3px at 75% 65%, #fff 1px, transparent 1px);
  background-size:
    1000px 1000px,
    1200px 1200px;
  opacity:0.85;
  animation: starMove 140s linear infinite;
}

@keyframes starMove{
  0%{transform:translateY(0);}
  100%{transform:translateY(-600px);}
}

/* ===== INTRO LOGO – kirajzolódó LZS RENOVATION ===== */
.intro-logo{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 24px;
  text-align:center;
  position:relative;
  z-index:1;
}
.intro-logo svg{
  width:min(90vw, 1100px);
  overflow:visible;
}
.intro-logo text{
  font-family:"Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size:96px;
  font-weight:800;
  letter-spacing:0.22em;
  text-transform:uppercase;
  fill:transparent;
  stroke:#ffffff;
  stroke-width:3;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray:3600;
  stroke-dashoffset:3600;
  animation:introDraw 10s ease forwards;
}
@keyframes introDraw{
  0%{
    stroke-dashoffset:3600;
    opacity:0;
  }
  20%{
    opacity:1;
  }
  100%{
    stroke-dashoffset:0;
    fill:transparent;
  }
}

/* hogy a többi tartalom biztosan a háttér fölött legyen */
header, .hero, .reveal, footer{
  position:relative;
  z-index:2;
}

@media (max-width:640px){
  .intro-logo text{
    font-size:56px;
    stroke-width:2.2;
  }
}

/* ===== GLASS + ALAP UI ===== */

.glass{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* ============ HEADER + NAV + BURGER ============ */

header{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg, rgba(5,7,10,.9), rgba(5,7,10,.4) 70%, transparent);
  backdrop-filter:blur(6px);
}

.nav{
  max-width:1150px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 20px;
  position:relative;
  z-index:30;
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
}

.logo-mark{
  width:44px;
  height:44px;
  border-radius:14px;
  position:relative;
}
.logo-mark::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:conic-gradient(from 0deg,
    var(--accent1), var(--accent2), var(--accent3), var(--accent1));
  filter:blur(10px);opacity:.9;
}
.logo-mark::after{
  content:"LZS";position:absolute;inset:2px;border-radius:12px;
  display:grid;place-items:center;
  background:#05070a;
  font-family:"Russo One",system-ui;font-size:16px;letter-spacing:1px;
  color:var(--text);
}
.brand{
  font-family:"Russo One";
  font-size:20px;
  letter-spacing:1px;
}

/* menü linkek konténerben */

.nav-links{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
}

.nav a{
  padding:8px 12px;
  border-radius:10px;
  color:var(--muted);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.nav a:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}

/* CTA gomb */

.cta{
  display:inline-grid;place-items:center;
  padding:10px 16px;border-radius:12px;
  position:relative;overflow:hidden;
}
.cta span{position:relative;z-index:2}
.cta::before{
  content:"";position:absolute;inset:-2px;border-radius:inherit;
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  filter:blur(6px);opacity:.9;
}
.cta::after{
  content:"";position:absolute;inset:2px;border-radius:10px;
  background:rgba(5,7,10,.96);
  border:1px solid rgba(255,255,255,.12);
}
.cta:hover::before{animation:hue 2s linear infinite}
@keyframes hue{
  to{filter:hue-rotate(360deg) blur(6px)}
}

/* burger gomb – desktopon rejtve */

.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;
  height:42px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.45);
  background:rgba(0,0,0,.35);
  backdrop-filter:blur(16px);
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:999px;
  background:#fff;
  transition:transform .25s ease, opacity .25s ease, width .25s ease;
}
.nav-toggle.is-open span:nth-child(1){
  transform:translateY(4px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2){
  opacity:0;width:0;
}
.nav-toggle.is-open span:nth-child(3){
  transform:translateY(-4px) rotate(-45deg);
}

/* ============ HERO + TELEFON ============ */

.hero{
  max-width:1150px;margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:28px;align-items:center;
  padding:54px 20px 24px;
}

.headline{
  font-family:"Russo One";
  font-size:clamp(34px,6vw,64px);
  line-height:1.05;margin:10px 0;
  text-shadow:0 0 30px rgba(0,0,0,.8);
}
.headline span{
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.sub{color:var(--muted);font-size:clamp(16px,2.3vw,19px)}
.hero-actions{
  display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;
}
.btn{
  position:relative;display:inline-block;
  padding:14px 18px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,
    rgba(255,255,255,.06), rgba(255,255,255,.02));
  color:var(--text);font-weight:700;
}
.btn:hover{transform:translateY(-1px)}
.btn.neon{
  box-shadow:0 0 18px rgba(255,255,255,.26);
}
.btn.neon .shine{
  position:absolute;top:0;left:-60%;
  height:100%;width:50%;
  background:linear-gradient(120deg,
    transparent,rgba(255,255,255,.7),transparent);
  transform:skewX(-20deg);
}
.btn.neon:hover .shine{animation:shine 900ms ease}
@keyframes shine{
  from{left:-60%}
  to{left:120%}
}

/* hero vizuál + blob/halo */

.hero-visual{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  overflow:visible;
}

.blob{
  position:absolute;
  inset:-10%;
  border-radius:50px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.16), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,.1), transparent 55%);
  filter:url(#goo) blur(14px);
  z-index:-2;
}
.halo{
  position:absolute;
  inset:-5%;
  border-radius:40px;
  background:conic-gradient(
    from 0deg,
    rgba(255,255,255,.25),
    transparent,
    rgba(0,0,0,1),
    transparent,
    rgba(255,255,255,.2));
  filter:blur(18px);opacity:.35;z-index:-3;
}

/* Telefon mockup */

.phone-wrap{
  display:flex;
  justify-content:center;
}
.phone-body{
  position:relative;
  width:min(260px,80vw);
  aspect-ratio:9/19;
  border-radius:34px;
  padding:5px;
  background:linear-gradient(145deg,#f5f5f5,#4a4a4a);
  box-shadow:
    0 24px 60px rgba(0,0,0,.85),
    0 0 0 1px rgba(255,255,255,.15);
}
.phone-screen{
  width:100%;
  height:100%;
  border-radius:28px;
  background:#000;
  overflow:hidden;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
}
.phone-screen::before{
  content:"";
  position:absolute;
  top:10px;
  left:50%;
  transform:translateX(-50%);
  width:72px;
  height:10px;
  border-radius:999px;
  background:rgba(0,0,0,.85);
}
.phone-screen video{
  width:100%;
  height:100%;
  border:0;
  object-fit:cover;
}

/* gombok a telefon alján */

.phone-controls{
  position:absolute;
  left:0;right:0;
  bottom:8px;
  display:flex;
  justify-content:center;
  gap:10px;
  z-index:3;
}
.phone-btn{
  width:34px;
  height:34px;
  border-radius:999px;
  border:none;
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 1px rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  color:#f5f5f5;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}

/* ============ SZEKCIÓK, KÁRTYÁK, BEFORE–AFTER ============ */

section{
  max-width:1150px;margin:0 auto;
  padding:52px 20px;
}
.sec-head{
  display:flex;align-items:flex-end;
  justify-content:space-between;
  margin-bottom:22px;
}
.sec-title{font-family:"Russo One";font-size:28px}
.cards{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.card{
  position:relative;padding:18px;min-height:180px;overflow:hidden;
}
.card .icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,
    rgba(255,255,255,.18), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.16);
}
.card h3{margin:12px 0 8px;font-size:18px}
.card p{color:var(--muted);font-size:14px}
.card::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;
  background:linear-gradient(180deg, transparent, rgba(255,255,255,.12), transparent);
  opacity:0;transition:opacity .4s;
}
.card:hover::after{opacity:1}
.tilt{
  transform-style:preserve-3d;
  transition:transform .18s ease;
}

/* Before–After */

.before-after{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;align-items:center;
}
.ba-stage{
  position:relative;border-radius:16px;overflow:hidden;
  aspect-ratio:16/10;
  background:#05070a;
}
.ba-stage img{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
}
.ba-before{z-index:1}
.ba-after{
  z-index:2;
  clip-path:inset(0 0 0 50%);
  -webkit-clip-path:inset(0 0 0 50%);
}
.ba-range{margin-top:12px;width:100%}
input[type="range"]{
  appearance:none;width:100%;
  height:6px;border-radius:999px;
  background:#181a1f;outline:none;
}
input[type="range"]::-webkit-slider-thumb{
  appearance:none;width:18px;height:18px;border-radius:50%;
  background:linear-gradient(180deg,var(--accent1),var(--accent2));
  box-shadow:0 0 10px rgba(255,255,255,.6);
}

/* Kapcsolat (másik oldalon, ha kell) */

.contact{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.contact .glass{padding:18px}
.field{
  display:grid;gap:6px;margin-bottom:12px;
}
.field label{font-size:14px}
.field input,.field textarea{
  padding:12px 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(5,7,10,.85);
  color:var(--text);
}
.field textarea{min-height:120px;resize:vertical}

/* Footer */

footer{
  border-top:1px solid var(--line);
  color:var(--muted);padding:24px 20px;
}
.foot{
  max-width:1150px;margin:0 auto;
  display:flex;flex-wrap:wrap;
  gap:12px;align-items:center;justify-content:space-between;
}

/* Reveal */

.reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}
.reveal.in-view{opacity:1;transform:none}

/* ============ RWD ============ */

@media (max-width:960px){
  .hero{
    grid-template-columns:1fr;
    gap:24px;
  }
  .hero-visual{
    justify-content:flex-start;
  }
}

@media (max-width:900px){
  .nav{
    padding-inline:12px;
  }

  .nav-toggle{
    display:inline-flex;
    width:38px;
    height:38px;
  }

  .nav-links{
    position:absolute;
    top:100%;
    right:16px;
    left:16px;
    margin-left:0;
    margin-top:10px;
    padding:14px 16px;
    border-radius:16px;
    background:rgba(9,9,11,.9);
    backdrop-filter:blur(18px);
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .22s ease, transform .22s ease;
  }
  .nav-links.is-open{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }
  .nav-links .cta{
    width:100%;
    justify-content:center;
    text-align:center;
  }
}

@media (max-width:720px){
  .before-after{grid-template-columns:1fr;gap:16px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
}

@media (max-width:560px){
  .hero{
    padding-inline:16px;
  }
  .cards{grid-template-columns:1fr}
  .headline{font-size:1.8rem}
  .sub{font-size:.9rem}
  .phone-body{width:78vw;}
}