:root{
  --bg:#0a0f14;
  --panel:rgba(18,26,33,.6);
  --accent:#7fbfe6;
  --text:#dfe7ee;
  --muted:#9db1c2;
  --glow:0 0 24px rgba(127,191,230,.45);
  --radius:18px;

  --t-fast:.20s;
  --t:.35s;
  --ease-out:cubic-bezier(.22,1,.36,1);
}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 "Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  overflow-x:hidden;
  scroll-behavior:smooth;
}

main, header, .section { position: relative; z-index: 1; }
.container{width:min(1100px,92%);margin:0 auto}
.section{padding:92px 0}

#bg-canvas{
  position:fixed;inset:0;
  width:100vw;height:100vh;
  z-index:0;pointer-events:none;
  background:radial-gradient(circle at 50% 50%, #0b111a 0%, #05080d 100%);
}

.fade-in{opacity:0;transform:translateY(15px);animation:fadeIn .8s ease forwards}
@keyframes fadeIn{to{opacity:1;transform:translateY(0)}}

.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:saturate(140%) blur(10px);
  background:linear-gradient(180deg,rgba(5,8,12,.72),rgba(5,8,12,.35) 70%,transparent);
  border-bottom:1px solid rgba(127,191,230,.15);
  padding:10px 0;
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}

.brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  color:var(--text);
  text-decoration:none;
  font-weight:700;
  font-size:1.1rem;
}
.brand span{color:var(--accent)}

.nav-links{
  display:flex;
  gap:1rem;
  list-style:none;
  flex-wrap:wrap;
  transition:opacity var(--t) var(--ease-out), transform var(--t) var(--ease-out);
}

.nav-link{
  color:var(--muted);
  text-decoration:none;
  padding:.5rem .75rem;
  border-radius:10px;
  transition:
    color var(--t-fast) linear,
    background var(--t) var(--ease-out),
    box-shadow var(--t) var(--ease-out),
    transform var(--t) var(--ease-out);
}
.nav-link:hover,
.nav-link.active{
  color:var(--text);
  background:rgba(127,191,230,.12);
  box-shadow:var(--glow);
  transform:translateY(-1px);
}

.burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  width:30px;
  height:24px;
  cursor:pointer;
  gap:5px;
  background:none;
  border:none;
}
.burger span{
  width:100%;
  height:3px;
  background:var(--accent);
  border-radius:5px;
  transition:.3s ease;
}
.burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px);}

@media(max-width:800px){
  .burger{display:flex;}
  .nav-links{
    flex-direction:column;
    background:rgba(5,8,12,.95);
    border:1px solid rgba(127,191,230,.15);
    border-radius:16px;
    position:absolute;
    top:60px;
    right:16px;
    padding:12px;
    gap:10px;
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
  }
  .nav-links.open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
}

.home-section{
  min-height:85vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  gap:1.2rem;
  padding:40px 20px;
}
.hero h1{
  font-family:"Marcellus",serif;
  font-size:clamp(36px,6vw,64px);
  text-shadow:0 0 20px rgba(127,191,230,.3);
}
.subtitle{
  color:var(--muted);
  font-size:clamp(15px,2.2vw,19px);
  max-width:720px;
  margin:0 auto 1rem;
}
.accent{color:var(--accent)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

.btn{
  display:inline-block;
  text-decoration:none;
  color:#0b1220;
  background:linear-gradient(180deg,#c6e2ff,#86bfff);
  padding:12px 18px;
  border-radius:14px;
  font-weight:700;
  box-shadow:var(--glow);
  transition:
    transform var(--t) var(--ease-out),
    box-shadow var(--t) var(--ease-out),
    filter var(--t) var(--ease-out);
  will-change: transform;
}
.btn:hover{ transform:translateY(-2px) scale(1.015); }
.btn.ghost{
  color:#e7f3ff;
  background:transparent;
  border:1px solid rgba(180,210,255,.35);
}
.btn.ghost:hover{background:rgba(180,210,255,.12)}

.hero-socials{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.icon-btn{
  padding:.55rem 1rem;
  border-radius:999px;
  background:rgba(127,191,230,.1);
  border:1px solid rgba(127,191,230,.25);
  color:var(--text);
  text-decoration:none;
  transition:
    background var(--t) var(--ease-out),
    box-shadow var(--t) var(--ease-out),
    transform var(--t) var(--ease-out);
  will-change: transform;
}
.icon-btn:hover{ background:rgba(127,191,230,.2); box-shadow:var(--glow); transform:translateY(-1px); }

.about-grid{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  align-items:center;
  gap:24px;
}
.fx-title{font-family:"Marcellus",serif;text-shadow:0 0 20px rgba(50,120,200,.25)}
.tags{color:var(--muted);margin:6px 0 10px}
.facts{list-style:none;padding:0;margin: 0 0 12px;color:#d0e5ff}
.facts li{margin:4px 0}
.cta-row{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}

.about-card{
  background:var(--panel);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--glow);
  border:1px solid rgba(127,191,230,.18);
}
.about-photo img{width:100%;height:auto;display:block;border-radius:var(--radius)}
.cosmic-frame{
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 0 30px rgba(127,191,230,.45), inset 0 0 18px rgba(127,191,230,.25);
  animation:framePulse 4.5s ease-in-out infinite alternate;
}
@keyframes framePulse{
  from{box-shadow:0 0 24px rgba(127,191,230,.3), inset 0 0 12px rgba(127,191,230,.2)}
  to{box-shadow:0 0 36px rgba(127,191,230,.55), inset 0 0 22px rgba(127,191,230,.35)}
}

.projects-grid{
  display:grid;
  gap:18px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  justify-items:stretch;
  align-items:start;
  grid-auto-rows:auto;
}

.gallery{
  display:grid;
  gap:18px;
  grid-template-columns:repeat(auto-fit,minmax(220px,320px));
  justify-content:start;
  justify-items:stretch;
  align-items:start;
  grid-auto-rows:auto;
}

.project-card,.gallery-item{
  background:var(--panel);
  border:1px solid rgba(127,191,230,.18);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out), opacity var(--t) var(--ease-out);
  width:100%;
  max-width:100%;
  opacity:1;
  content-visibility:auto;
  contain:paint;
  will-change:transform,opacity;
}

.gallery-item{
  opacity:0;
  transform:translateY(10px);
}
.gallery-item.show{
  opacity:1;
  transform:translateY(0);
}
.project-card:hover,
.gallery-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--glow);
}

.project-card img,
.gallery-item img{
  width:100%;
  height:200px;
  object-fit:cover;
  display:block;
  will-change:transform;
}

.project-body,
figcaption{
  padding:14px 16px;
  text-align:left;
}

.tags{
  display:flex;
  gap:.35rem;
  flex-wrap:wrap;
  margin:.5rem 0 .9rem;
}
.tags span{
  font-size:.8rem;
  padding:.2rem .5rem;
  border-radius:999px;
  border:1px solid rgba(127,191,230,.25);
  color:var(--muted);
}

.photos-header{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:18px;
  margin-bottom:24px;
  text-align:center;
}
.filters{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:.7rem;
}
.filter-btn{
  color:var(--text);
  background:rgba(127,191,230,.10);
  border:1px solid rgba(127,191,230,.25);
  padding:.5rem .9rem;
  border-radius:999px;
  cursor:pointer;
  transition:.2s ease;
  font-weight:500;
}
.filter-btn.active{
  background:rgba(127,191,230,.25);
  box-shadow:var(--glow);
}
.filter-btn:hover{ box-shadow:var(--glow); }

.lightbox{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(5,10,15,.45);backdrop-filter:blur(8px);z-index:50;
}
.lightbox.open{display:flex;animation:lb-fade .25s ease}
@keyframes lb-fade{from{opacity:0}to{opacity:1}}
.lb-stage{position:relative;max-width:92vw;max-height:86vh;margin:0 48px;display:flex;flex-direction:column;align-items:center;gap:10px}
.lb-img{max-width:92vw;max-height:78vh;border-radius:14px;box-shadow:0 0 40px rgba(127,191,230,.45)}
.lb-caption{color:var(--muted);text-align:center;max-width:80ch}
.lb-prev,.lb-next,.lb-close{
  position:absolute;top:50%;translate:0 -50%;
  background:rgba(10,15,20,.6);color:var(--text);
  border:1px solid rgba(127,191,230,.35);box-shadow:var(--glow);
  padding:.55rem .8rem;border-radius:12px;cursor:pointer;
  transition:transform var(--t) var(--ease-out),background var(--t-fast) linear,box-shadow var(--t) var(--ease-out);
  z-index:51;
}
.lb-prev:hover,.lb-next:hover,.lb-close:hover{background:rgba(10,15,20,.85);transform:translateY(-2px);}
.lb-prev{left:18px}
.lb-next{right:18px}
.lb-close{top:20px;right:20px;translate:0 0}

@media(max-width:960px){ .about-grid{grid-template-columns:1fr} }
@media(max-width:900px){ .projects-grid,.gallery{grid-template-columns:1fr 1fr} }
@media(max-width:600px){
  .projects-grid,.gallery{grid-template-columns:1fr}
  .hero-cta{flex-direction:column}
  .about-card{text-align:center}
  .project-card img,.gallery-item img{height:180px}
  .tags{margin:.45rem 0 .8rem}
}

.gallery-item.fade-in {
  animation: fadeInCard 0.35s ease forwards;
}
.gallery-item.fade-out {
  animation: fadeOutCard 0.25s ease forwards;
}
@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeOutCard {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(12px) scale(0.97); }
}

.lightbox {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.lightbox.visible {
  display: flex;
  pointer-events: auto;
}
.lightbox.open {
  opacity: 1;
}
.lightbox.closing {
  opacity: 0;
}

.lb-prev,
.lb-next { display: none !important; }