:root{
  --bg:#07080c; --bg2:#0d0f17; --text:#e8ecf5; --muted:#a3abbd;
  --blue:#3d8bff; --violet:#8b5cf6; --crimson:#e0245e;
  --glass:rgba(16,19,32,.62); --line:rgba(120,150,255,.22);
  --font:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Code",Consolas,monospace;
  --nav-h:64px;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}
body{background:var(--bg);color:var(--text);font:400 1.0625rem/1.7 var(--font);-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(120,150,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(120,150,255,.035) 1px,transparent 1px);
  background-size:48px 48px}
a{color:inherit}
code{font-family:var(--mono);font-size:.9em;color:#9fc2ff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--blue);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{top:10px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:50;display:flex;align-items:center;justify-content:space-between;padding-inline:max(20px,calc((100% - 1120px)/2));
  transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(7,8,12,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.wordmark{text-decoration:none;font-weight:800;letter-spacing:.22em;font-size:1rem}
.wordmark span{margin-inline-start:.5em;font-weight:300;color:var(--blue)}
.menu{display:flex;gap:6px;list-style:none;padding:0}
.menu a{display:block;padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-size:.95rem;transition:color .2s,background .2s}
.menu a:hover,.menu a.active{color:#fff;background:rgba(61,139,255,.16)}
.nav-toggle{display:none;width:44px;height:44px;background:none;border:1px solid var(--line);border-radius:12px;cursor:pointer;position:relative}
.nav-toggle i{position:absolute;inset-inline:12px;height:2px;background:var(--text);transition:transform .25s}
.nav-toggle i:first-child{top:16px}.nav-toggle i:last-child{top:25px}
.nav-toggle[aria-expanded=true] i:first-child{transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded=true] i:last-child{transform:translateY(-4.5px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-art,.hero-art img{position:absolute;inset:0;width:100%;height:100%}
.hero-art img{object-fit:cover;object-position:78% 50%;animation:drift 24s ease-in-out infinite alternate}
@keyframes drift{from{transform:scale(1.03)}to{transform:scale(1.08) translateX(-1%)}}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.hero-shade{position:absolute;inset:0;z-index:2;background:
  linear-gradient(90deg,var(--bg) 0%,rgba(7,8,12,.88) 30%,rgba(7,8,12,.25) 58%,transparent 75%),
  linear-gradient(0deg,var(--bg) 0%,transparent 22%)}
.hero-copy{position:relative;z-index:3;padding-block:calc(var(--nav-h) + 40px) 80px}
.hero-copy>*{max-width:36rem;animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero-copy>:nth-child(2){animation-delay:.12s}.hero-copy>:nth-child(3){animation-delay:.24s}.hero-copy>:nth-child(4){animation-delay:.36s}
@keyframes rise{from{opacity:0;transform:translateY(22px)}}
h1{font-size:clamp(2.8rem,8vw,5.6rem);line-height:1;font-weight:800;letter-spacing:.04em;
  background:linear-gradient(100deg,#fff 30%,#9fc2ff 62%,#b69bff);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 28px rgba(61,139,255,.35))}
.role{margin-top:14px;font-size:clamp(1.15rem,2.4vw,1.5rem);font-weight:500;color:#cfd8ee}
.lede{margin-top:16px;color:var(--muted);max-width:30rem}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 26px;border-radius:12px;font-weight:600;text-decoration:none;border:1px solid var(--line);transition:transform .2s,box-shadow .2s,background .2s}
.btn.primary{background:linear-gradient(120deg,var(--blue),var(--violet));border-color:transparent;color:#fff;box-shadow:0 8px 30px -8px rgba(91,110,255,.7)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px -8px rgba(110,110,255,.9)}
.btn.ghost{background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn.ghost:hover{background:rgba(61,139,255,.16);border-color:var(--blue)}

/* sections */
.section{padding-block:clamp(72px,10vw,120px);position:relative}
h2{font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
h3{font-size:1.15rem;margin-bottom:12px}
.sub{color:var(--muted);max-width:42rem;margin-bottom:36px}
.sub b{color:var(--crimson);font-weight:600}
.note{font-size:.9rem;color:var(--muted)}
.split{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.split p+p{margin-top:14px}
.glass{background:var(--glass);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 20px 50px -30px #000}
.interests{list-style:none;padding:12px 24px}
.interests li{padding:13px 0 13px 22px;position:relative;border-bottom:1px solid rgba(120,150,255,.12)}
.interests li:last-child{border:0}
.interests li::before{content:"";position:absolute;inset-inline-start:0;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--blue);box-shadow:0 0 12px var(--blue)}
.interests li:nth-child(3)::before{background:var(--violet);box-shadow:0 0 12px var(--violet)}
.interests li:nth-child(6)::before{background:var(--crimson);box-shadow:0 0 12px var(--crimson)}
.grid{display:grid;gap:18px}
.skills{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{padding:24px;position:relative;overflow:hidden;transition:border-color .25s,transform .25s}
.card::after{content:"";position:absolute;inset-inline:0;top:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--violet),transparent);opacity:.7}
.card:hover{border-color:rgba(61,139,255,.6)}
.card h3{margin-bottom:6px}
.card p{color:var(--muted);font-size:.97rem}

/* projects */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.filters button{font:inherit;font-size:.92rem;color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;min-height:40px;transition:all .2s}
.filters button:hover{color:#fff;border-color:var(--blue)}
.filters button[aria-pressed=true]{color:#fff;background:rgba(61,139,255,.22);border-color:var(--blue)}
.projects{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));perspective:1000px}
.proj{display:flex;flex-direction:column;gap:12px;will-change:transform;transition:transform .15s ease-out,border-color .25s}
.proj .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.badge{font-size:.78rem;padding:3px 10px;border-radius:999px;border:1px solid var(--crimson);color:#ff7ea3;white-space:nowrap}
.badge.live{border-color:#3ddc97;color:#3ddc97}
.cat{font-size:.85rem;color:#8fb0ff}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}
.chips li{font-family:var(--mono);font-size:.8rem;padding:4px 10px;border-radius:8px;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.3);color:#cbb8ff}
.links{margin-top:auto;display:flex;gap:16px;padding-top:6px}
.links a{color:#9fc2ff;font-weight:600;text-decoration:none;border-bottom:1px solid rgba(159,194,255,.35)}
.links a:hover{color:#fff}
.links .none{color:var(--muted);font-size:.88rem}

/* activity */
.panel{padding:26px}
.panel .btn{margin-top:16px}
.panel p{color:var(--muted)}
.timeline{list-style:none;padding:0;margin-top:40px;border-inline-start:2px solid var(--line);margin-inline-start:6px}
.timeline li{position:relative;padding:0 0 28px 28px}
.timeline li::before{content:"";position:absolute;inset-inline-start:-7px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--violet)}
.timeline time{font-family:var(--mono);font-size:.85rem;color:#ff7ea3}
.timeline h3{margin:2px 0 4px}.timeline p{color:var(--muted)}

/* contact */
.contact{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.link{display:flex;flex-direction:column;gap:6px;padding:26px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.link:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 20px 50px -24px rgba(61,139,255,.6)}
.link strong{font-size:1.15rem}.link span{color:var(--muted);font-size:.92rem;overflow-wrap:anywhere}
.foot{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:.9rem}
.foot .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* RTL support for Persian blocks: add dir="rtl" lang="fa" on any element */
[dir=rtl]{font-family:Vazirmatn,Tahoma,"Segoe UI",sans-serif;letter-spacing:0}

@media (max-width:860px){
  .split{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .menu{position:absolute;inset:var(--nav-h) 0 auto 0;flex-direction:column;padding:12px 20px 20px;background:rgba(7,8,12,.96);border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .menu.open{transform:none;opacity:1;visibility:visible}
  .menu a{padding:14px}
  .hero-art img{object-position:72% 50%}
  .hero{align-items:flex-end}
  .hero-shade{background:linear-gradient(0deg,var(--bg) 8%,rgba(7,8,12,.85) 38%,rgba(7,8,12,.2) 70%,transparent)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}