:root{
  --bg:#F4F6F5;
  --bg-soft:#E6E9E5;
  --green:#178A4C;
  --pink:#C41172;
  --gold:#A8760A;
  --text:#12121A;
  --muted:#5C5C6C;
  --line:rgba(18,18,26,0.14);
  --nav-bg:rgba(244,246,245,0.85);
}

:root[data-theme="dark"]{
  --bg:#0B0B14;
  --bg-soft:#16161F;
  --green:#39FF88;
  --pink:#FF2E9A;
  --gold:#FFD23F;
  --text:#F5F5FA;
  --muted:#9A97AE;
  --line:rgba(245,245,250,0.12);
  --nav-bg:rgba(11,11,20,0.85);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3{font-family:'Space Grotesk', sans-serif;}
.mono{font-family:'JetBrains Mono', monospace;}
a{color:inherit;}

.wrap{max-width:760px; margin:0 auto; padding:0 24px;}

/* PARTICLE BACKGROUND */
#particles{
  position:fixed; inset:0; z-index:-2;
  width:100%; height:100%;
  pointer-events:none;
}

/* CURSOR SPOTLIGHT (desktop only, added by JS) */
#spotlight{
  position:fixed; inset:0; z-index:1;
  pointer-events:none;
  background:radial-gradient(600px circle at var(--x,50%) var(--y,50%), rgba(57,255,136,0.08), transparent 65%);
  opacity:0; transition:opacity .4s ease;
}
#spotlight.active{ opacity:1; }

/* AVATAR SPIN RING */
.avatar-wrap{ position:relative; width:120px; height:120px; margin-bottom:28px; }
.avatar-wrap::before{
  content:""; position:absolute; inset:-6px; border-radius:50%;
  background:conic-gradient(from 0deg, var(--green), var(--gold), var(--pink), var(--green));
  animation:spin-ring 5s linear infinite;
  -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  mask:radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
}
@keyframes spin-ring{ to{ transform:rotate(360deg); } }
.avatar-wrap .avatar{ position:absolute; inset:0; margin:0; border:none; }

/* MAGNETIC BUTTON WRAPPER (JS applies transform to .btn itself) */
.btn{ will-change:transform; }

/* PROJECT TILT (JS applies transform; CSS sets perspective on parent) */
#projects .wrap{ perspective:1200px; }
.project{ transform-style:preserve-3d; will-change:transform; }

/* SPLASH BURST PARTICLES */
.burst-dot{
  position:fixed; top:50%; left:50%; width:8px; height:8px; border-radius:50%;
  pointer-events:none; z-index:101;
  animation:burst-fly .8s ease-out forwards;
}
@keyframes burst-fly{
  to{ transform:translate(var(--dx), var(--dy)) scale(0); opacity:0; }
}

/* SPLASH / WELCOME SCREEN */
#splash{
  position:fixed; inset:0; z-index:100;
  background:var(--bg);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  overflow:hidden;
  cursor:pointer;
  transition:opacity .7s ease, visibility .7s ease;
}
#splash.hide{ opacity:0; visibility:hidden; pointer-events:none; }
#splash::before, #splash::after{
  content:""; position:absolute; border-radius:50%; filter:blur(40px); z-index:-1;
  animation:drift 9s ease-in-out infinite alternate;
}
#splash::before{
  top:-160px; left:-120px; width:420px; height:420px;
  background:radial-gradient(circle, var(--green) 0%, transparent 70%); opacity:.3;
}
#splash::after{
  bottom:-180px; right:-140px; width:460px; height:460px;
  background:radial-gradient(circle, var(--pink) 0%, transparent 70%); opacity:.28;
  animation-delay:1s; animation-duration:11s;
}
.splash-greeting{
  font-family:'JetBrains Mono', monospace;
  font-size:0.9rem; letter-spacing:4px; text-transform:uppercase;
  color:var(--muted);
  opacity:0; transform:translateY(16px);
  animation:splash-rise .6s ease .15s forwards;
}
.splash-name{
  margin-top:14px;
  font-size:clamp(2.2rem, 8vw, 4rem);
  font-weight:700;
  opacity:0; transform:translateY(16px);
  animation:splash-rise .7s ease .4s forwards;
}
.splash-role{
  margin-top:12px;
  color:var(--pink);
  font-size:1.05rem;
  opacity:0; transform:translateY(16px);
  animation:splash-rise .7s ease .65s forwards;
}
.splash-hint{
  margin-top:40px;
  font-size:0.8rem; color:var(--muted);
  opacity:0;
  animation:splash-hint-fade .6s ease .9s forwards, blink 1.6s ease 1.5s infinite;
}
@keyframes splash-rise{ to{opacity:1; transform:translateY(0);} }
@keyframes splash-hint-fade{ to{opacity:1;} }

/* TOAST */
#toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(16px);
  background:var(--bg-soft); color:var(--text);
  border:1px solid var(--green);
  padding:11px 20px; border-radius:8px; font-size:0.85rem;
  opacity:0; pointer-events:none; z-index:50;
  transition:opacity .3s ease, transform .3s ease;
}
#toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

.theme-toggle{
  background:none; border:1px solid var(--line); border-radius:20px;
  width:38px; height:38px; font-size:1rem; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  color:var(--text); transition:border-color .2s, transform .2s;
}
.theme-toggle:hover{ border-color:var(--gold); transform:scale(1.08); }

/* NAV */
nav{
  position:sticky; top:0; z-index:10;
  background:var(--nav-bg);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
nav .wrap{display:flex; justify-content:space-between; align-items:center; height:64px; gap:16px;}
.nav-right{display:flex; align-items:center; gap:24px;}
.brand{font-weight:700; font-size:1.1rem; display:flex; align-items:center; gap:9px;}
.brand-logo{ flex-shrink:0; }
.brand span{color:var(--pink);}
nav ul{display:flex; gap:28px; list-style:none;}
nav a{font-size:0.95rem; color:var(--muted); text-decoration:none; transition:color .2s;}
nav a:hover, nav a.active{color:var(--green);}

/* HERO */
header.hero{padding:110px 0 90px; position:relative; overflow:hidden;}
header.hero::before, header.hero::after{
  content:"";
  position:absolute; border-radius:50%;
  filter:blur(30px); z-index:-1;
  animation:drift 10s ease-in-out infinite alternate;
}
header.hero::before{
  top:-140px; right:-140px; width:420px; height:420px;
  background:radial-gradient(circle, var(--green) 0%, transparent 70%);
  opacity:.32;
}
header.hero::after{
  bottom:-160px; left:-120px; width:380px; height:380px;
  background:radial-gradient(circle, var(--pink) 0%, transparent 70%);
  opacity:.26;
  animation-delay:1.5s;
  animation-duration:12s;
}
@keyframes drift{
  from{ transform:translate(0,0) scale(1); }
  to{ transform:translate(-40px, 40px) scale(1.25); }
}

.avatar{
  width:120px; height:120px; border-radius:50%;
  overflow:hidden;
  border:3px solid var(--gold);
  margin-bottom:28px;
  background:var(--bg-soft);
  display:flex; align-items:center; justify-content:center;
}
.avatar img{width:100%; height:100%; object-fit:cover; display:block;}
.avatar .fallback{font-family:'Space Grotesk', sans-serif; font-size:2rem; font-weight:700; color:var(--gold);}
@keyframes pulse-ring{
  0%, 100%{ box-shadow:0 0 0 0 rgba(255,210,63,0.35); }
  50%{ box-shadow:0 0 0 10px rgba(255,210,63,0); }
}

/* SCROLL PROGRESS BAR */
.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg, var(--green), var(--gold), var(--pink));
  z-index:20; transition:width .1s linear;
}

/* GRADIENT HEADLINE ACCENT */
.gradient-text{
  background:linear-gradient(90deg, var(--green), var(--gold), var(--pink), var(--green));
  background-size:300% auto;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:gradient-flow 6s linear infinite;
}
@keyframes gradient-flow{
  to{ background-position:300% center; }
}

/* TYPEWRITER CURSOR */
.typed-cursor{
  display:inline-block; width:2px; margin-left:2px;
  background:var(--pink);
  animation:blink 0.8s step-end infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

/* staggered project reveal */
.project.reveal{ transition-delay:calc(var(--i, 0) * 0.1s); }

.hero h1.name{
  font-size:clamp(2.4rem, 7vw, 3.8rem);
  line-height:1.1;
  font-weight:700;
  letter-spacing:-0.01em;
  opacity:0; transform:translateY(16px);
}
.hero h1.name .gradient-text{ display:inline-block; }
.hero p.role{
  margin-top:14px;
  color:var(--pink);
  font-size:1.15rem;
  font-weight:500;
  min-height:1.4em;
  opacity:0; transform:translateY(16px);
}
.hero p.desc{
  margin-top:18px;
  color:var(--muted);
  max-width:52ch;
  font-size:1.02rem;
  opacity:0; transform:translateY(16px);
}
.hero-links{
  margin-top:30px; display:flex; gap:14px; flex-wrap:wrap;
  opacity:0; transform:translateY(16px);
}
.avatar-wrap{ opacity:0; transform:translateY(16px) scale(0.92); }

.hero.play .avatar-wrap{ animation:rise-scale .7s ease forwards; }
.hero.play .avatar{ animation:pulse-ring 3s ease-in-out .7s infinite; }
.hero.play h1.name{ animation:rise .7s ease .15s forwards; }
.hero.play p.role{ animation:rise .7s ease .3s forwards; }
.hero.play p.desc{ animation:rise .7s ease .45s forwards; }
.hero.play .hero-links{ animation:rise .7s ease .6s forwards; }

@keyframes rise{ to{opacity:1; transform:translateY(0);} }
@keyframes rise-scale{ to{opacity:1; transform:translateY(0) scale(1);} }

.btn{
  display:inline-block; padding:11px 22px; border-radius:8px;
  text-decoration:none; font-weight:600; font-size:0.95rem;
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-3px) scale(1.03);}
.btn-primary{background:var(--green); color:#06170E;}
.btn-primary:hover{box-shadow:0 8px 26px rgba(57,255,136,0.45);}
.btn-ghost{border:1px solid var(--line); color:var(--text);}
.btn-ghost:hover{border-color:var(--pink); box-shadow:0 8px 22px rgba(255,46,154,0.25);}

section{padding:64px 0; border-top:1px solid var(--line);}
section h2{font-size:1.7rem; margin-bottom:28px;}
section h2 span{color:var(--pink);}

/* scroll-reveal (JS toggles .in-view once per section) */
.reveal{opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in-view{opacity:1; transform:translateY(0);}

/* ABOUT */
#about p{color:var(--muted); max-width:60ch; font-size:1.02rem;}
.about-meta{margin-top:20px; display:flex; flex-wrap:wrap; gap:10px 22px; font-size:0.9rem; color:var(--muted);}
.about-meta a{color:var(--green); text-decoration:none;}
.about-meta a:hover{text-decoration:underline;}

.edu{margin-top:26px; padding-top:22px; border-top:1px solid var(--line);}
.edu h3{font-size:1rem; margin-bottom:6px;}
.edu p{color:var(--muted); font-size:0.92rem; max-width:60ch;}
.certs{margin-top:14px; display:flex; flex-wrap:wrap; gap:8px;}
.cert{
  font-family:'JetBrains Mono', monospace;
  font-size:0.72rem;
  color:var(--gold);
  border:1px solid var(--gold);
  padding:3px 9px;
  border-radius:20px;
}

/* SKILLS */
.skill-group{margin-bottom:22px;}
.skill-group h3{font-size:0.95rem; color:var(--muted); font-weight:500; margin-bottom:10px;}
.chips{display:flex; flex-wrap:wrap; gap:10px;}

.skill-bars{display:flex; flex-direction:column; gap:16px; margin-bottom:6px;}
.skill-bar-head{display:flex; justify-content:space-between; font-size:0.9rem; margin-bottom:6px;}
.skill-bar-head .skill-pct{color:var(--muted); font-family:'JetBrains Mono', monospace; font-size:0.8rem;}
.skill-track{height:8px; border-radius:4px; background:var(--bg-soft); border:1px solid var(--line); overflow:hidden;}
.skill-fill{
  height:100%; width:0%; border-radius:4px;
  background:linear-gradient(90deg, var(--green), var(--gold));
  transition:width 1.1s cubic-bezier(.2,.8,.2,1);
}
.skill-fill.in-view{ width:var(--pct); }
.chip{
  font-family:'JetBrains Mono', monospace;
  font-size:0.82rem;
  padding:7px 13px;
  border-radius:6px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s, color .2s, transform .2s;
}
.chip:hover{border-color:var(--green); color:var(--green); transform:translateY(-3px);}

/* PROJECTS */
.project{
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:transform .25s ease, padding-left .25s ease;
}
.project:hover{transform:translateX(8px); padding-left:6px; border-bottom-color:var(--green);}
.project:last-child{border-bottom:none;}
.project h3{font-size:1.15rem; margin-bottom:8px;}
.project p{color:var(--muted); font-size:0.96rem; max-width:58ch;}
.project .tags{margin-top:12px; display:flex; gap:8px; flex-wrap:wrap;}

.project-img{
  position:relative;
  width:100%; aspect-ratio:16/9;
  border-radius:10px; overflow:hidden;
  background:var(--bg-soft);
  border:1px solid var(--line);
  margin-bottom:16px;
  display:flex; align-items:center; justify-content:center;
}
.project-img img{ width:100%; height:100%; object-fit:cover; display:block; }
.project-img-fallback{
  display:none;
  position:absolute; inset:0;
  align-items:center; justify-content:center;
  text-align:center; padding:12px;
  font-family:'JetBrains Mono', monospace;
  font-size:0.78rem; color:var(--muted);
}
.project-img img[data-broken="true"]{ display:none; }
.project-img img[data-broken="true"] ~ .project-img-fallback{ display:flex; }

.project-links{ margin-top:14px; }
.project-link{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'JetBrains Mono', monospace;
  font-size:0.82rem; font-weight:500;
  padding:7px 14px; border-radius:20px;
  border:1px solid var(--line); color:var(--text);
  text-decoration:none;
  transition:border-color .2s, color .2s, transform .2s;
}
.project-link:hover{ border-color:var(--green); color:var(--green); transform:translateY(-2px); }
.tag{
  font-family:'JetBrains Mono', monospace;
  font-size:0.72rem;
  color:var(--pink);
  border:1px solid var(--pink);
  padding:3px 9px;
  border-radius:20px;
}

/* CONTACT */
#contact p{color:var(--muted); max-width:52ch; margin-bottom:24px;}
.contact-row{display:flex; gap:14px; flex-wrap:wrap; margin-top:22px;}

.contact-form{display:flex; flex-direction:column; gap:14px; max-width:480px;}
.contact-form input, .contact-form textarea{
  width:100%; padding:12px 14px; border-radius:8px;
  background:var(--bg-soft); border:1px solid var(--line);
  color:var(--text); font-family:'Inter', sans-serif; font-size:0.95rem;
  transition:border-color .2s;
}
.contact-form input:focus, .contact-form textarea:focus{
  outline:none; border-color:var(--green);
}
.contact-form textarea{ min-height:120px; resize:vertical; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.contact-form button{ align-self:flex-start; }
.form-status{ font-size:0.85rem; margin-top:4px; min-height:1.2em; }
.form-status.success{ color:var(--green); }
.form-status.error{ color:var(--pink); }

footer{padding:30px 0; text-align:center; color:var(--muted); font-size:0.85rem;}

@media(max-width:600px){
  nav ul{gap:12px;}
  .nav-right{gap:14px;}
  nav a{font-size:0.85rem;}
  header.hero{padding:80px 0 60px;}
}