:root{
  --navy:#0b1033; --purple:#7c3aed; --purple2:#a78bfa;
  --bg:#ffffff; --bg2:#f6f5fc; --text:#1c2142; --muted:#5d638a;
  --card:#ffffff; --line:#e7e5f3; --shadow:0 10px 40px rgba(31,20,90,.08);
  --r:20px;
}
[data-theme=dark]{
  --bg:#080b24; --bg2:#0d1130; --text:#eceefb; --muted:#9aa0c8;
  --card:#121743; --line:#222862; --shadow:0 10px 40px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;transition:background .3s,color .3s;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1140px,92%);margin:auto}
.mono{font-family:'JetBrains Mono',monospace}
.grad{background:linear-gradient(90deg,var(--purple),#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent}

.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--purple),#c084fc);z-index:200}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;transition:.3s}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:50px;width:auto;mix-blend-mode:multiply}
[data-theme=dark] .brand img,[data-theme=dark] .footer img{filter:invert(1) hue-rotate(180deg);mix-blend-mode:screen}
.menu{display:flex;align-items:center;gap:30px;font-weight:600;font-size:.95rem}
.menu a:not(.btn){color:var(--muted);transition:.2s}
.menu a:not(.btn):hover,.menu a.active{color:var(--purple)}
.nav-tools{display:flex;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);font-size:1.1rem;cursor:pointer}
.burger{display:none}

/* buttons */
.btn{display:inline-block;padding:14px 28px;border-radius:14px;background:linear-gradient(135deg,var(--purple),#5b21b6);color:#fff;font-weight:700;border:0;cursor:pointer;font-family:inherit;font-size:1rem;box-shadow:0 10px 25px rgba(124,58,237,.35);transition:.25s}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(124,58,237,.5)}
.btn-sm{padding:9px 20px;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple);box-shadow:none}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;z-index:0}
.b1{width:420px;height:420px;background:var(--purple);top:-100px;right:-100px}
.b2{width:340px;height:340px;background:#38bdf8;bottom:-120px;left:-100px;opacity:.2}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid var(--line);background:var(--card);border-radius:50px;font-size:.85rem;font-weight:600;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}
h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.15;font-weight:800;margin:22px 0;letter-spacing:-1.5px}
.lead{font-size:1.1rem;color:var(--muted);max-width:560px}
.lead strong{color:var(--purple)}
.typed{margin:22px 0;font-size:1.15rem;color:var(--purple);font-weight:500}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--purple);vertical-align:middle;margin:0 2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}

.hero-card{position:relative}
.code-card{background:var(--navy);border-radius:var(--r);box-shadow:0 30px 70px rgba(31,20,90,.35);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.code-top{display:flex;align-items:center;gap:7px;padding:14px 18px;background:rgba(255,255,255,.05)}
.code-top i{width:11px;height:11px;border-radius:50%;background:#ff5f56}
.code-top i:nth-child(2){background:#ffbd2e}.code-top i:nth-child(3){background:#27c93f}
.code-top span{margin-left:12px;color:#8b90bb;font-size:.8rem}
.code-card pre{padding:24px;color:#dfe2ff;font-size:.9rem;line-height:1.9;overflow-x:auto}
.c{color:#6b719f}.k{color:#c084fc}.v{color:#7dd3fc}.p{color:#a5b4fc}.s{color:#86efac}.n{color:#fdba74}
.float{position:absolute;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;line-height:1.3;animation:fl 5s ease-in-out infinite}
.float b{font-size:1.5rem;color:var(--purple)}
.float small{color:var(--muted);font-size:.78rem}
.f1{left:-30px;bottom:-26px}.f2{right:-18px;top:-26px;animation-delay:-2.5s}
@keyframes fl{50%{transform:translateY(-12px)}}

/* stats */
.stats{padding:20px 0 60px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:36px 20px;box-shadow:var(--shadow)}
.stat{text-align:center}
.stat b,.stat span{font-size:2.6rem;font-weight:800;color:var(--purple)}
.stat p{color:var(--muted);font-size:.9rem;font-weight:500}

/* sections */
.section{padding:100px 0}
.alt{background:var(--bg2)}
.eyebrow{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--purple);font-weight:500;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px}
.eyebrow.light{color:var(--purple2)}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);line-height:1.2;font-weight:800;letter-spacing:-1px}
.head{text-align:center;margin-bottom:56px}

.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.about-grid p{color:var(--muted);margin-bottom:16px}
.ticks li{padding-left:30px;position:relative;margin:10px 0;font-weight:600}
.ticks li::before{content:"✓";position:absolute;left:0;width:22px;height:22px;border-radius:50%;background:var(--purple);color:#fff;font-size:.75rem;display:grid;place-items:center;top:4px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;transition:.3s}
.card:hover{transform:translateY(-8px);border-color:var(--purple);box-shadow:var(--shadow)}
.ico{width:56px;height:56px;border-radius:16px;background:rgba(124,58,237,.12);display:grid;place-items:center;font-size:1.6rem;margin-bottom:18px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}

.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 50px}
.skill>div{display:flex;justify-content:space-between;font-weight:600;margin-bottom:8px}
.skill em{font-style:normal;color:var(--purple)}
.skill i{display:block;height:10px;background:var(--line);border-radius:10px;overflow:hidden}
.skill b{display:block;height:100%;width:0;border-radius:10px;background:linear-gradient(90deg,var(--purple),#c084fc);transition:width 1.4s cubic-bezier(.2,.8,.2,1)}
.skill.show b{width:var(--w)}
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:44px}
.tags span{padding:7px 16px;border-radius:50px;border:1px solid var(--line);background:var(--card);font-size:.85rem;font-weight:600;color:var(--muted);transition:.2s}
.tags span:hover{color:var(--purple);border-color:var(--purple)}
.tags.sm{justify-content:flex-start;margin-top:14px;gap:6px}
.tags.sm span{padding:3px 12px;font-size:.75rem}

.timeline{max-width:780px;margin:auto;position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.t-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 30px;margin-bottom:22px}
.t-item::before{content:"";position:absolute;left:-36px;top:30px;width:14px;height:14px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 5px rgba(124,58,237,.2)}
.t-date{color:var(--purple);font-size:.8rem}
.t-item h3{margin:4px 0 6px}
.t-item p{color:var(--muted);font-size:.95rem}

.filters{display:flex;justify-content:center;gap:10px;margin:-20px 0 40px}
.chip{padding:9px 24px;border-radius:50px;border:1px solid var(--line);background:var(--card);color:var(--text);font-weight:600;font-family:inherit;cursor:pointer;transition:.2s}
.chip.active,.chip:hover{background:var(--purple);border-color:var(--purple);color:#fff}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.project{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s}
.project:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.project.hide{display:none}
.thumb{height:180px;display:grid;place-items:center;position:relative;overflow:hidden}
.thumb span{color:#fff;font-weight:800;font-size:1.4rem;letter-spacing:-.5px;z-index:1;transition:.4s}
.project:hover .thumb span{transform:scale(1.12)}
.thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.25),transparent 55%)}
.t1{background:linear-gradient(135deg,#7c3aed,#312e81)}.t2{background:linear-gradient(135deg,#0ea5e9,#1e1b4b)}
.t3{background:linear-gradient(135deg,#c026d3,#4c1d95)}.t4{background:linear-gradient(135deg,#10b981,#134e4a)}
.t5{background:linear-gradient(135deg,#f59e0b,#7c2d12)}.t6{background:linear-gradient(135deg,#6366f1,#0b1033)}
.p-body{padding:24px}
.p-body h3{font-size:1.1rem}
.p-body p{color:var(--muted);font-size:.92rem;margin-top:6px}

.contact{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:var(--purple);filter:blur(120px);opacity:.3;top:-120px;right:-80px}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.contact p{color:#b7bbdf;margin:16px 0}
.info li{margin:8px 0}.info a:hover{color:var(--purple2)}
.social{display:flex;gap:12px;margin-top:22px}
.social a{width:46px;height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;font-weight:700;text-transform:uppercase;transition:.25s}
.social a:hover{background:var(--purple);border-color:var(--purple);transform:translateY(-4px)}
.form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:32px;display:grid;gap:14px;backdrop-filter:blur(10px)}
.form input,.form textarea{width:100%;padding:15px 18px;border-radius:14px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);color:#fff;font:inherit;outline:0;transition:.2s}
.form input::placeholder,.form textarea::placeholder{color:#8b90bb}
.form input:focus,.form textarea:focus{border-color:var(--purple2)}
.form .invalid{border-color:#f87171}
.msg{margin:0!important;font-size:.9rem;min-height:1.2em}

.footer{padding:30px 0;border-top:1px solid var(--line)}
.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer img{height:44px;mix-blend-mode:multiply}
.footer p{color:var(--muted);font-size:.9rem;margin:0}
.top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;border:0;background:var(--purple);color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(20px);transition:.3s;z-index:90}
.top.show{opacity:1;pointer-events:auto;transform:none}

.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s ease}
.reveal.show{opacity:1;transform:none}

@media(max-width:960px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .cards,.projects{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .burger{display:block}
  .menu{position:fixed;top:72px;left:0;right:0;flex-direction:column;background:var(--bg);padding:24px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.35s;z-index:-1}
  .menu.open{transform:none}
  .f1{left:0}.f2{right:0}
}
@media(max-width:620px){
  .cards,.projects,.skills-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .foot-inner{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}