/* variables */
:root{
  --bg:#05020a;
  --panel: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.06);
  --accent1: #7cf7ff;
  --accent2: #ff5ef8;
  --accent3: #7eff8a;
  --neon: linear-gradient(90deg,var(--accent1),var(--accent2));
  --glass-blur: 10px;
  --text: #e8f7ff;
  --muted: rgba(232,247,255,0.6);
  --card-radius: 14px;
  --max-width: 1200px;
  --soft-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

/* base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(124,247,255,0.03), transparent),
    radial-gradient(800px 400px at 90% 90%, rgba(255,94,248,0.02), transparent),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  line-height:1.45;
  -webkit-tap-highlight-color: transparent;
}

/* canvas (background visuals) */
#bg-canvas{
  position:fixed;
  inset:0;
  z-index:0;
  display:block;
  pointer-events:none;
}

/* Topbar */
.topbar{
  position:fixed;
  top:18px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 48px);
  max-width:var(--max-width);
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: 999px;
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 30px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.03);
}
.logo{
  font-weight:700;
  letter-spacing:1px;
}
.logo .accent{
  color:var(--accent2);
  margin-left:6px;
  text-shadow: 0 0 14px rgba(255,94,248,0.45);
}
.nav{display:flex; gap:16px; align-items:center}
.nav-link{
  color:var(--muted);
  text-decoration:none;
  padding:6px 10px;
  border-radius:8px;
  font-weight:600;
  transition:all .18s ease;
}
.nav-link:hover{ color:var(--text); transform:translateY(-2px); text-shadow:0 6px 26px rgba(124,247,255,0.06);}

/* header buttons */
#theme-toggle{
  background:transparent;
  color:var(--muted);
  border:1px solid rgba(255,255,255,0.03);
  padding:6px 10px;
  border-radius:8px;
  cursor:pointer;
}

/* Hero */
.hero{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:88vh;
  padding:120px 18px 60px;
  z-index:5;
  isolation:isolate;
}
.hero-inner{
  max-width:var(--max-width);
  width:100%;
  margin:auto;
  position:relative;
  padding:36px;
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  z-index:3;
}

/* neon title */
.neon{
  font-size:clamp(28px,7vw,64px);
  letter-spacing:0.6px;
  margin:0;
  line-height:1.02;
  font-weight:800;
  background: linear-gradient(90deg, rgba(124,247,255,0.9), rgba(255,94,248,0.85));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow: 0 6px 30px rgba(124,247,255,0.07), 0 0 30px rgba(255,94,248,0.06);
  filter: drop-shadow(0 8px 40px rgba(0,0,0,0.6));
  transform:translateZ(0);
}
.neon-clip{
  display:inline-block;
  font-weight:900;
  -webkit-text-stroke: 0.6px rgba(255,255,255,0.02);
  text-shadow:0 0 40px rgba(124,247,255,0.14), 0 0 60px rgba(255,94,248,0.08);
}

/* subtitle */
.subtitle{
  font-size:clamp(14px,2.1vw,18px);
  color:var(--muted);
  margin:8px 0 16px 0;
}

/* HUD stats */
.hero-hud{
  display:flex;
  gap:12px;
  margin-top:18px;
}
.stat{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding:10px 14px;
  border-radius:10px;
  min-width:86px;
  text-align:center;
  border:1px solid rgba(255,255,255,0.03);
  backdrop-filter: blur(6px);
}
.stat .big{ font-weight:800; font-size:18px }
.stat .small{ font-size:12px; color:var(--muted); }

/* CTA buttons */
.cta{
  display:inline-block;
  padding:10px 16px;
  border-radius: 10px;
  font-weight:700;
  text-decoration:none;
  border:1px solid rgba(255,255,255,0.05);
  transition:all .18s ease;
}
.cta.primary{
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  color:#05101a;
  box-shadow: 0 12px 40px rgba(124,247,255,0.08), 0 2px 8px rgba(255,94,248,0.04);
}
.cta.ghost{
  background:transparent;
  color:var(--muted);
}
.cta:hover{ transform:translateY(-6px); }

/* scanlines overlay */
.scanlines{
  position:absolute;
  inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px);
  background-size:100% 6px;
  opacity:0.35;
  pointer-events:none;
}

/* Work section */
.section-title{
  max-width:var(--max-width);
  margin:30px auto 12px;
  padding:0 18px;
  font-size:20px;
  font-weight:800;
  letter-spacing:0.6px;
}
.work{ padding:24px 0 48px; z-index:2; position:relative; }
.filters{ display:flex; gap:10px; padding:8px 18px; max-width:var(--max-width); margin:0 auto 18px; }
.filter{
  background:transparent;
  border:1px solid rgba(255,255,255,0.03);
  padding:6px 10px; border-radius:10px; cursor:pointer; color:var(--muted); font-weight:700;
}
.filter.active{ color:var(--text); box-shadow: 0 8px 30px rgba(124,247,255,0.04); transform:translateY(-4px); }

.projects-grid{
  display:grid;
  gap:18px;
  grid-template-columns:repeat(auto-fit, minmax(230px, 1fr));
  padding:18px;
  max-width:var(--max-width);
  margin:0 auto;
}

/* Project cards */
.project-card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:var(--card-radius);
  padding:14px;
  min-height:150px;
  border:1px solid rgba(255,255,255,0.03);
  box-shadow: var(--soft-shadow);
  transform-style:preserve-3d;
  transition: transform .25s cubic-bezier(.16,.8,.22,1), box-shadow .18s;
  will-change:transform;
  cursor:grab;
  outline: none;
}
.project-card:active{ cursor:grabbing; }
.project-card:hover{
  transform:translateY(-8px) rotateX(3deg) scale(1.02);
  box-shadow: 0 18px 60px rgba(0,0,0,0.7);
}
.card-inner .card-header{ display:flex; justify-content:space-between; align-items:center; gap:8px; margin-bottom:10px; }
.card-inner h3{ margin:0; font-size:16px; }
.tag{ font-size:12px; padding:6px 8px; border-radius:8px; background: linear-gradient(90deg,var(--accent2),var(--accent3)); color:#041010; font-weight:800; }

.card-desc{ color:var(--muted); font-size:13px; margin-bottom:12px; }

.card-actions{ display:flex; gap:10px; align-items:center; }
.btn-view{
  padding:8px 10px;
  border-radius:8px;
  background:transparent;
  border:1px solid rgba(255,255,255,0.03);
  color:var(--muted);
  cursor:pointer;
}

/* About + contact */
.about{ padding:24px 0 48px; z-index:2; }
.about-grid{ max-width:var(--max-width); margin:0 auto; padding:18px; display:grid; gap:18px; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); }

.about-card{ padding:18px; border-radius:12px; color:var(--muted); }
.glass{ background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); border:1px solid rgba(255,255,255,0.03); backdrop-filter: blur(var(--glass-blur)); }

/* timeline */
.timeline{ position:relative; padding-left:14px; margin-top:8px; }
.timeline-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  margin:14px 0;
  opacity:0;
  transform:translateY(12px);
  transition: all .6s cubic-bezier(.16,.8,.22,1);
}
.timeline-item.in{ opacity:1; transform:none; }
.timeline-item .time{ min-width:52px; font-weight:800; color:var(--muted); }
.timeline-item .dot{
  width:12px; height:12px; border-radius:50%;
  background: linear-gradient(90deg,var(--accent1),var(--accent2));
  box-shadow: 0 6px 20px rgba(124,247,255,0.06);
  margin-top:6px;
}
.timeline-item .content{ flex:1; color:var(--muted); }
.timeline-item .meta{ font-size:13px; color:rgba(232,247,255,0.48); margin-top:4px; }

/* Skills */
.skills-card p.muted{ color:var(--muted); margin:6px 0 10px; }
.skill{ margin:10px 0; }
.skill-head{ display:flex; justify-content:space-between; align-items:center; font-size:14px; margin-bottom:6px; color:var(--muted); }
.skill-bar{
  background: rgba(255,255,255,0.03);
  border-radius:999px;
  height:10px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.02);
}
.skill-bar span{
  display:block;
  height:100%;
  width:0;
  background: linear-gradient(90deg,var(--accent1),var(--accent2));
  transition: width 900ms cubic-bezier(.2,.9,.3,1);
}

/* Contact */
.contact{ padding:24px 0 80px; z-index:2; }
.contact-wrap{ display:grid; grid-template-columns:1fr 360px; gap:18px; max-width:var(--max-width); margin:0 auto; padding:18px; align-items:start; }
.contact-form label{ display:block; margin-bottom:12px; color:var(--muted); font-weight:700; font-size:13px; }
.contact-form input, .contact-form textarea{
  width:100%;
  background:transparent;
  border:1px solid rgba(255,255,255,0.03);
  padding:10px 12px;
  border-radius:8px;
  color:var(--text);
  outline:none;
}
.form-actions{ display:flex; gap:10px; margin-top:6px; }

.contact-preview pre{
  margin:0;
  background:linear-gradient(180deg, rgba(0,0,0,0.2), rgba(255,255,255,0.02));
  padding:12px;
  border-radius:8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
  font-size:12px;
  color:var(--muted);
}

/* modal */
.modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  z-index:60;
  background: linear-gradient(180deg, rgba(0,0,0,0.45), rgba(0,0,0,0.6));
}
.modal.show{ display:flex; }
.modal-content{
  width:90%;
  max-width:1000px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.03);
  padding:20px;
  position:relative;
}
.modal-close{ position:absolute; top:10px; right:10px; background:transparent; border:none; color:var(--muted); font-size:20px; cursor:pointer; }

/* responsive */
@media (max-width:900px){
  .contact-wrap{ grid-template-columns:1fr; }
  .topbar{ padding:8px; width:calc(100% - 28px) }
  .hero{ padding-top:100px; }
  .nav{ display:none; }
}

/* small details & animations */
@keyframes floaty {
  0% { transform: translateY(0px) }
  50% { transform: translateY(-6px) }
  100% { transform: translateY(0px) }
}
.hero-hud .stat{ animation:floaty 6s ease-in-out infinite; }

/* subtle entrance */
main > section { opacity:0; transform:translateY(16px) scale(.995); transition:all .6s cubic-bezier(.16,.8,.22,1); }
main > section.in { opacity:1; transform:none; }

/* tiny focus outline for accessibility */
:focus{ outline: 3px solid rgba(124,247,255,0.12); outline-offset:2px; }

/* reduce motion handling */
@media (prefers-reduced-motion: reduce){
  .hero-hud .stat{ animation:none; }
  .project-card, .timeline-item, main > section { transition: none; transform: none; opacity:1; }
}