/* develop.arendszer.com — Bor Zoltán bemutatkozó
   Paletta: mély éjkék + elektromos kék→cián gradiens */

:root{
  --bg-0:#060b18;
  --bg-1:#0b1428;
  --bg-2:#101c38;
  --line:rgba(122,158,222,.14);
  --ink:#f2f5fa;
  --muted:#8fa0bc;
  --accent:#4d8dff;
  --accent-2:#7adeff;
  --grad:linear-gradient(96deg,var(--accent) 10%,var(--accent-2) 90%);
  --amr:#52b788;
  --amr-gold:#c8a44d;
  --grad-amr:linear-gradient(96deg,var(--amr) 10%,var(--amr-gold) 90%);
  --font-display:"Space Grotesk","Inter",sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
  --pad:clamp(20px,5vw,72px);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:rgba(77,141,255,.35)}

/* ---------- közös ---------- */
.grad{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);
  font-size:11px;font-weight:500;letter-spacing:.22em;
  color:var(--accent-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 18px;
  background:rgba(11,20,40,.6);
}
.pulse-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 8px var(--accent-2);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.06}
h1{font-size:clamp(46px,8.4vw,110px);letter-spacing:-.02em}
h2{font-size:clamp(34px,5vw,62px);letter-spacing:-.015em;margin:22px 0 0}

.section{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(90px,12vh,150px) var(--pad) 0;
}
.section-head{margin-bottom:clamp(40px,6vh,70px)}
.section-lede{color:var(--muted);max-width:520px;margin-top:18px}

/* reveal animáció */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:14px var(--pad);
  background:rgba(6,11,24,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo-mark{
  font-family:var(--font-mono);font-weight:700;font-size:14px;
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:10px;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-logo-name{font-family:var(--font-display);font-weight:500;font-size:15px}
.nav-links{display:flex;align-items:center;gap:clamp(14px,3vw,34px);font-size:14px}
.nav-links a{color:var(--muted);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-links a:focus-visible,.contact-mail:focus-visible,.acc-btn:focus-visible,.shot:focus-visible{
  outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px;
}
.nav-cta{
  color:var(--ink)!important;
  border:1px solid var(--line);border-radius:999px;
  padding:8px 20px;
  transition:border-color .25s,background .25s;
}
.nav-cta:hover{border-color:var(--accent);background:rgba(77,141,255,.1)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:120px var(--pad) 80px;
  overflow:hidden;
}
#graph{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{
  position:relative;z-index:2;
  max-width:var(--maxw);margin:0 auto;width:100%;
}
.hero h1{margin:26px 0 0}
.amp{color:var(--accent);font-weight:500}
.hero-lede{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(20px,3vw,32px);
  color:var(--muted);
  margin-top:18px;letter-spacing:-.01em;
}
.hero-sub{max-width:560px;color:var(--muted);margin-top:26px;font-size:16px}
.scroll-hint{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;color:var(--muted);
}
.scroll-line{
  width:1px;height:44px;
  background:linear-gradient(var(--accent-2),transparent);
  animation:drop 2s ease-in-out infinite;
  transform-origin:top;
}
@keyframes drop{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ---------- scroll-scrub film ---------- */
/* Alapállapot (mobil / reduced-motion / JS nélkül): sima looposolt videó.
   A JS .scrub-active osztállyal lépteti elő görgetés-vezérelt canvas-módba. */
.scrub{position:relative;height:auto}
.scrub-sticky{position:relative;height:62vh;overflow:hidden;background:var(--bg-0)}
#scrub-canvas{display:none;position:absolute;inset:0;width:100%;height:100%}
.scrub-video{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scrub-shade{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,var(--bg-0) 0%,transparent 20%,transparent 80%,var(--bg-0) 100%),
    radial-gradient(ellipse at center,transparent 45%,rgba(6,11,24,.6) 100%);
}
.scrub-overlay{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.scrub-text{
  grid-area:1/1;text-align:center;
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(38px,6.5vw,84px);letter-spacing:-.02em;
  text-shadow:0 4px 40px rgba(6,11,24,.85);
  opacity:0;transform:translateY(24px);
}
.scrub:not(.scrub-active) .scrub-text[data-stage="1"]{opacity:1;transform:none}
.scrub-active{height:340vh}
.scrub-active .scrub-sticky{position:sticky;top:0;height:100vh}
.scrub-active #scrub-canvas{display:block}
.scrub-active .scrub-video{display:none}

/* ---------- rólam ---------- */
.rolam-grid{
  display:grid;grid-template-columns:minmax(260px,340px) 1fr;
  gap:clamp(30px,5vw,70px);align-items:start;
}
.id-card{
  border:1px solid var(--line);border-radius:18px;
  background:linear-gradient(160deg,var(--bg-1),var(--bg-0) 80%);
  overflow:hidden;
  position:sticky;top:110px;
}
.id-card-graph{padding:26px 26px 0}
.id-svg{width:100%;height:auto}
.id-lines line{stroke:rgba(122,158,222,.25);stroke-width:1}
.id-nodes circle{fill:var(--accent)}
.id-nodes .root{fill:var(--accent-2);filter:drop-shadow(0 0 6px rgba(122,222,255,.8))}
.id-card-foot{
  padding:20px 26px 24px;
  border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.id-name{font-family:var(--font-display);font-weight:700;font-size:22px}
.id-role{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--accent-2)}
.rolam-text p{color:var(--muted);margin-bottom:22px;max-width:640px}
.rolam-text strong{color:var(--ink);font-weight:500}

/* ---------- számok ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:18px;
  overflow:hidden;
  margin-top:clamp(50px,8vh,90px);
}
.stat{
  background:var(--bg-1);
  padding:clamp(24px,3vw,40px);
  display:flex;flex-direction:column;gap:8px;
}
.stat-num{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(34px,4vw,54px);line-height:1;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--muted)}

/* ---------- AMR kiemelt referencia ---------- */
.grad-amr{
  background:var(--grad-amr);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.eyebrow-amr{color:var(--amr)}
.eyebrow-amr .pulse-dot{background:var(--amr);box-shadow:0 0 8px var(--amr)}
.frame-amr{box-shadow:0 30px 80px rgba(0,0,0,.5)}
.frame-amr:hover{border-color:rgba(82,183,136,.4)}
.frame-amr img{width:100%;display:block}
.amr-caption{
  text-align:center;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.06em;color:var(--muted);margin-top:14px;
}
.stats-amr .stat-num{background:var(--grad-amr);-webkit-background-clip:text;background-clip:text}
.amr-areas{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  margin-top:clamp(28px,4vh,44px);
}
.amr-areas span{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--ink);border:1px solid rgba(82,183,136,.35);
  background:rgba(82,183,136,.07);
  padding:7px 16px;border-radius:999px;
}
.amr-sub{
  font-size:clamp(20px,2.4vw,28px);letter-spacing:-.01em;
  margin:clamp(50px,8vh,80px) 0 26px;
}
.curio-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:18px;
}
.curio{
  border:1px solid var(--line);border-radius:16px;
  background:linear-gradient(160deg,var(--bg-1),var(--bg-0) 85%);
  padding:26px;
  transition:transform .4s ease,border-color .4s ease;
}
.curio:hover{transform:translateY(-4px);border-color:rgba(82,183,136,.4)}
.curio-num{
  font-family:var(--font-mono);font-weight:700;font-size:15px;
  color:var(--amr-gold);
}
.curio h4{
  font-family:var(--font-display);font-weight:700;
  font-size:18.5px;letter-spacing:-.01em;
  margin:10px 0 10px;
}
.curio p{color:var(--muted);font-size:15px;line-height:1.65}
.curio-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.curio-tags span{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;
  color:var(--amr);border:1px solid rgba(82,183,136,.3);
  padding:3px 10px;border-radius:999px;
}
.curio-quote{
  display:flex;align-items:center;
  background:
    radial-gradient(ellipse at 20% 120%,rgba(82,183,136,.12),transparent 60%),
    linear-gradient(160deg,var(--bg-1),var(--bg-0) 85%);
}
.curio-quote-text{
  font-family:var(--font-display);font-weight:500;
  font-size:16.5px;line-height:1.6;color:var(--ink)!important;
}
.curio-quote-text strong{color:var(--amr)}

/* ---------- rendszerek ---------- */
.sys-list{display:flex;flex-direction:column;gap:clamp(60px,10vh,110px)}
.sys{
  display:grid;grid-template-columns:1fr 1.15fr;
  gap:clamp(28px,4vw,60px);align-items:center;
}
.sys:nth-child(even) .sys-info{order:2}
.sys:nth-child(even) .sys-media{order:1}
.sys-tag{
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:.22em;color:var(--accent-2);
}
.sys h3{font-size:clamp(24px,2.6vw,34px);margin:14px 0 16px;letter-spacing:-.01em}
.sys p{color:var(--muted)}
.sys-facts{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:10px}
.sys-facts li{
  font-family:var(--font-mono);font-size:12.5px;color:var(--ink);
  padding-left:22px;position:relative;
}
.sys-facts li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:10px;height:1px;background:var(--accent);
}

.frame{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--bg-1);
  box-shadow:0 30px 80px rgba(0,0,0,.45);
  transition:transform .5s ease,border-color .5s ease;
}
.sys:hover .frame{transform:translateY(-6px);border-color:rgba(77,141,255,.4)}
.frame-bar{
  display:flex;align-items:center;gap:6px;
  padding:10px 14px;border-bottom:1px solid var(--line);
  background:rgba(6,11,24,.7);
}
.frame-bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.frame-bar span{
  margin-left:10px;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.08em;color:var(--muted);
}
.frame img{aspect-ratio:16/9;object-fit:cover;object-position:top}
.scheme{width:100%;height:auto;display:block;background:
  radial-gradient(ellipse at 50% 0%,rgba(77,141,255,.08),transparent 70%)}
.s-lines line{stroke:rgba(122,158,222,.3);stroke-width:1;stroke-dasharray:3 4}
.s-box rect{fill:rgba(16,28,56,.8);stroke:rgba(122,158,222,.35);stroke-width:1}
.s-text text{
  fill:var(--ink);font-family:var(--font-mono);font-size:11px;
  text-anchor:middle;dominant-baseline:middle;letter-spacing:.08em;
}
.s-text .small{font-size:9px;fill:var(--muted)}

/* ---------- galéria ---------- */
.gallery-head{margin-top:clamp(90px,14vh,150px);margin-bottom:clamp(36px,5vh,60px)}
.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:18px;
}
.shot{
  position:relative;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;background:var(--bg-1);
  transition:transform .4s ease,border-color .4s ease;
}
.shot:hover{transform:translateY(-5px);border-color:rgba(77,141,255,.45)}
.shot img{aspect-ratio:16/10;object-fit:cover;object-position:top;
  transition:opacity .4s}
.shot:hover img{opacity:.75}
.shot-label{
  position:absolute;left:12px;bottom:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  background:rgba(6,11,24,.85);border:1px solid var(--line);
  padding:5px 12px;border-radius:999px;
}

/* ---------- kompetenciák ---------- */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;gap:clamp(16px,3vw,40px);
  background:none;border:none;color:var(--ink);cursor:pointer;
  padding:clamp(20px,3vh,30px) 4px;text-align:left;
}
.acc-no{font-family:var(--font-mono);font-size:12px;color:var(--accent)}
.acc-title{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(20px,2.6vw,30px);flex:1;letter-spacing:-.01em;
  transition:color .3s;
}
.acc-btn:hover .acc-title{color:var(--accent-2)}
.acc-x{position:relative;width:16px;height:16px;flex-shrink:0}
.acc-x::before,.acc-x::after{
  content:"";position:absolute;inset:auto;left:0;top:7px;
  width:16px;height:2px;background:var(--muted);
  transition:transform .35s ease;
}
.acc-x::after{transform:rotate(90deg)}
.acc-btn[aria-expanded="true"] .acc-x::after{transform:rotate(0)}
.acc-body{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .45s ease;
}
.acc-item.open .acc-body{grid-template-rows:1fr}
.acc-body-in{overflow:hidden}
.acc-body p{color:var(--muted);max-width:640px;padding:0 4px 28px 0;margin-left:calc(12px + clamp(16px,3vw,40px))}

/* ---------- miben tudok segíteni ---------- */
.help{
  margin-top:clamp(50px,8vh,80px);
  border:1px solid var(--line);border-radius:18px;
  background:linear-gradient(160deg,var(--bg-1),var(--bg-0) 85%);
  padding:clamp(28px,4vw,44px);
}
.help h3{
  font-size:clamp(20px,2.4vw,28px);letter-spacing:-.01em;
  margin-bottom:22px;
}
.help-list{
  list-style:none;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:12px 32px;
}
.help-list li{
  color:var(--muted);font-size:15.5px;
  padding-left:24px;position:relative;
}
.help-list li::before{
  content:"";position:absolute;left:0;top:.6em;
  width:12px;height:1px;background:var(--accent);
}

/* ---------- kapcsolat ---------- */
.section-contact{padding-bottom:clamp(90px,12vh,150px);text-align:center}
.contact-inner{
  border:1px solid var(--line);border-radius:24px;
  padding:clamp(50px,8vh,90px) var(--pad);
  background:
    radial-gradient(ellipse at 50% 120%,rgba(77,141,255,.16),transparent 60%),
    var(--bg-1);
}
.contact-lede{color:var(--muted);max-width:460px;margin:20px auto 34px}
.contact-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.contact-mail{
  display:inline-block;
  font-family:var(--font-mono);font-size:clamp(15px,2.4vw,22px);font-weight:500;
  padding:16px 34px;border-radius:999px;
  border:1px solid rgba(77,141,255,.5);
  background:rgba(77,141,255,.08);
  transition:background .3s,transform .3s;
}
.contact-mail:hover{background:rgba(77,141,255,.18);transform:translateY(-2px)}

/* ---------- footer ---------- */
.footer{
  max-width:var(--maxw);margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;
  padding:26px var(--pad) 34px;
  color:var(--muted);font-size:13px;
  border-top:1px solid var(--line);
}
.footer-mono{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}

/* ---------- reszponzív ---------- */
@media (max-width:900px){
  .rolam-grid{grid-template-columns:1fr}
  .id-card{position:static;max-width:360px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .sys{grid-template-columns:1fr}
  .sys:nth-child(even) .sys-info{order:1}
  .sys:nth-child(even) .sys-media{order:2}
  .nav-logo-name{display:none}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr 1fr}
  .nav-links{gap:12px;font-size:13px}
  .nav-cta{padding:6px 14px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .pulse-dot,.scroll-line{animation:none}
  .sys:hover .frame,.shot:hover,.contact-mail:hover{transform:none}
}