:root{
  --bg:#070b14;--bg2:#0c1220;--card:rgba(255,255,255,.04);--card-b:rgba(255,255,255,.09);
  --text:#e8edf6;--muted:#93a0b8;--acc:#2dd4bf;--acc2:#6366f1;--acc3:#38bdf8;
  --grad:linear-gradient(120deg,var(--acc),var(--acc3) 50%,var(--acc2));
  --shadow:0 20px 60px rgba(0,0,0,.45);--nav:rgba(7,11,20,.72);--radius:18px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--head:'Space Grotesk',var(--font);
}
:root[data-theme="light"]{
  --bg:#f6f8fc;--bg2:#eaf0f8;--card:rgba(255,255,255,.85);--card-b:rgba(15,23,42,.1);
  --text:#0f172a;--muted:#55627a;--acc:#0d9488;--acc2:#4f46e5;--acc3:#0284c7;
  --shadow:0 20px 50px rgba(15,23,42,.12);--nav:rgba(246,248,252,.8);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:min(1140px,100% - 32px);margin-inline:auto}
section{padding:96px 0;position:relative}
.alt{background:var(--bg2)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:var(--head);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);font-weight:600;margin-bottom:10px}
h2{font-family:var(--head);font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;margin-bottom:14px}
.lead{color:var(--muted);max-width:640px;margin-bottom:48px}
.skip{position:absolute;left:-999px;top:8px;background:var(--acc);color:#04201c;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}

/* nav */
header{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--nav);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--card-b)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--head);font-weight:700;font-size:1.25rem}
.logo span{color:var(--acc)}
.links{display:flex;gap:6px;align-items:center}
.links a{padding:8px 12px;border-radius:999px;font-size:.9rem;color:var(--muted);transition:.2s}
.links a:hover,.links a.active{color:var(--text);background:var(--card)}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--card-b);background:var(--card);color:var(--text);cursor:pointer;display:grid;place-items:center;font-size:1.05rem}
.burger{display:none}
@media(max-width:860px){
  .burger{display:grid}
  .links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg2);padding:12px 16px 20px;border-bottom:1px solid var(--card-b);display:none}
  .links.open{display:flex}
  .links a{padding:12px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:.25s;cursor:pointer}
.btn.primary{background:var(--grad);color:#04141a;box-shadow:0 10px 30px rgba(45,212,191,.28)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(45,212,191,.4)}
.btn.ghost{border-color:var(--card-b);background:var(--card);color:var(--text)}
.btn.ghost:hover{border-color:var(--acc);transform:translateY(-2px)}

/* hero */
.hero{min-height:min(100vh,860px);display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;animation:float 14s ease-in-out infinite;pointer-events:none}
.o1{width:420px;height:420px;background:var(--acc);top:-80px;left:-120px}
.o2{width:380px;height:380px;background:var(--acc2);bottom:-100px;right:-80px;animation-delay:-5s}
.o3{width:240px;height:240px;background:var(--acc3);top:40%;left:45%;opacity:.25;animation-delay:-9s}
:root[data-theme="light"] .orb{opacity:.22}
@keyframes float{50%{transform:translate(30px,-40px) scale(1.08)}}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--card-b) 1px,transparent 1px),linear-gradient(90deg,var(--card-b) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at center,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at center,#000 20%,transparent 70%);opacity:.5}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--card-b);background:var(--card);border-radius:999px;font-size:.82rem;color:var(--muted);margin-bottom:22px}
.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero h1{font-family:var(--head);font-size:clamp(2.6rem,7vw,4.6rem);line-height:1.05;letter-spacing:-.02em;margin-bottom:14px}
.role{font-family:var(--head);font-size:clamp(1.15rem,2.6vw,1.6rem);color:var(--muted);min-height:2.2em;margin-bottom:18px}
.role b{color:var(--acc)}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--acc);vertical-align:-3px;margin-left:3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero p.sub{color:var(--muted);max-width:560px;margin-bottom:30px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.social{display:flex;gap:10px}
.social a{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--card-b);background:var(--card);transition:.2s;color:var(--muted)}
.social a:hover{color:var(--acc);border-color:var(--acc);transform:translateY(-3px)}
.social svg{width:19px;height:19px;fill:currentColor}

/* phone */
.phone-wrap{display:grid;place-items:center;perspective:1200px}
.phone{width:270px;height:550px;border-radius:42px;padding:11px;background:linear-gradient(145deg,#2a3350,#0d1220);box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.12) inset,0 0 80px rgba(45,212,191,.18);transform:rotateY(-14deg) rotateX(5deg);animation:tilt 8s ease-in-out infinite;position:relative}
@keyframes tilt{50%{transform:rotateY(8deg) rotateX(2deg) translateY(-12px)}}
.screen{width:100%;height:100%;border-radius:32px;background:linear-gradient(180deg,#0b1224,#101a33);overflow:hidden;position:relative;padding:18px 14px;color:#e8edf6}
.notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:84px;height:22px;background:#05080f;border-radius:14px}
.s-top{display:flex;justify-content:space-between;align-items:center;margin:20px 0 14px;font-family:var(--head);font-size:.9rem}
.s-top i{width:28px;height:28px;border-radius:50%;background:var(--grad);display:block}
.s-hero{height:112px;border-radius:16px;background:linear-gradient(135deg,#2dd4bf,#6366f1);padding:14px;display:flex;flex-direction:column;justify-content:flex-end;font-family:var(--head);font-weight:600;font-size:.95rem;color:#04141a;margin-bottom:12px}
.s-hero small{font-weight:500;opacity:.8}
.s-row{display:flex;gap:8px;margin-bottom:12px}
.chip{flex:1;text-align:center;font-size:.66rem;padding:7px 4px;border-radius:10px;background:rgba(255,255,255,.07)}
.s-card{display:flex;gap:10px;align-items:center;padding:10px;border-radius:14px;background:rgba(255,255,255,.06);margin-bottom:9px;font-size:.72rem;animation:slide 6s ease-in-out infinite}
.s-card:nth-of-type(2){animation-delay:.4s}.s-card:nth-of-type(3){animation-delay:.8s}
@keyframes slide{50%{transform:translateX(4px)}}
.s-card .th{width:38px;height:38px;border-radius:10px;background:var(--grad);flex:none}
.s-card b{display:block;font-size:.76rem}
.s-card span{color:#93a0b8}
.s-nav{position:absolute;bottom:14px;left:14px;right:14px;height:44px;border-radius:16px;background:rgba(255,255,255,.08);display:flex;justify-content:space-around;align-items:center}
.s-nav i{width:18px;height:18px;border-radius:6px;background:rgba(255,255,255,.25)}
.s-nav i:first-child{background:var(--acc)}
.float-tag{position:absolute;padding:8px 13px;border-radius:12px;font-size:.78rem;font-weight:600;background:var(--card);border:1px solid var(--card-b);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow);animation:float 7s ease-in-out infinite;white-space:nowrap}
.ft1{top:14px;left:-50px}.ft2{bottom:120px;right:-44px;animation-delay:-3s}.ft3{bottom:40px;left:-30px;animation-delay:-5s}
@media(max-width:900px){
  .hero-in{grid-template-columns:1fr}
  .phone-wrap{order:-1;transform:scale(.8);margin:-30px 0 -50px}
  .ft1{left:0}.ft2{right:0}.ft3{left:6px}
}

/* cards */
.card{background:var(--card);border:1px solid var(--card-b);border-radius:var(--radius);padding:26px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:.3s}
.card:hover{transform:translateY(-5px);border-color:rgba(45,212,191,.45);box-shadow:var(--shadow)}

/* about + stats */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.avatar{aspect-ratio:1;max-width:340px;border-radius:30px;background:var(--grad);display:grid;place-items:center;font-family:var(--head);font-size:6rem;font-weight:700;color:#04141a;position:relative;box-shadow:var(--shadow);margin-inline:auto;width:100%}
.avatar::after{content:"";position:absolute;inset:-12px;border:1px dashed var(--card-b);border-radius:38px}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:30px}
.about p{color:var(--muted);margin-bottom:16px}
.about p strong{color:var(--text)}
.points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.points li{display:flex;gap:10px;font-size:.92rem;align-items:flex-start}
.points li::before{content:"✓";color:var(--acc);font-weight:700}
@media(max-width:860px){.about{grid-template-columns:1fr}.points{grid-template-columns:1fr}.avatar{max-width:240px;font-size:4.5rem}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:64px}
.stat{text-align:center}
.stat .n{font-family:var(--head);font-size:clamp(2rem,4vw,2.9rem);font-weight:700}
.stat .l{color:var(--muted);font-size:.88rem}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}}

/* skills */
.skills{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:20px}
.skills h3{font-family:var(--head);font-size:1.02rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.skills h3 span{font-size:1.25rem}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:.8rem;padding:5px 11px;border-radius:999px;background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.22);color:var(--text)}
:root[data-theme="light"] .tag{background:rgba(13,148,136,.09)}
.tag.p{background:rgba(99,102,241,.12);border-color:rgba(99,102,241,.3)}

/* timeline */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--acc),var(--acc2),transparent)}
.job{position:relative;margin-bottom:28px}
.job::before{content:"";position:absolute;left:-34px;top:28px;width:18px;height:18px;border-radius:50%;background:var(--bg);border:3px solid var(--acc);box-shadow:0 0 0 5px rgba(45,212,191,.15)}
.alt .job::before{background:var(--bg2)}
.job-h{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 18px;margin-bottom:4px}
.job h3{font-family:var(--head);font-size:1.2rem}
.date{font-size:.85rem;color:var(--acc);font-weight:600;white-space:nowrap}
.co{color:var(--muted);font-size:.92rem;margin-bottom:14px}
.job li{position:relative;padding-left:20px;margin-bottom:9px;color:var(--muted);font-size:.94rem}
.job li::before{content:"▹";position:absolute;left:0;color:var(--acc)}
.job li b{color:var(--text);font-weight:600}

/* projects */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filters button{font:inherit;font-size:.86rem;padding:8px 18px;border-radius:999px;border:1px solid var(--card-b);background:var(--card);color:var(--muted);cursor:pointer;transition:.2s}
.filters button.on,.filters button:hover{color:#04141a;background:var(--grad);border-color:transparent}
.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(480px,1fr));gap:24px}
@media(max-width:560px){.projects{grid-template-columns:1fr}}
.proj{display:flex;flex-direction:column;gap:14px;padding:0;overflow:hidden}
.proj.hide{display:none}
.banner{height:140px;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:1.5rem;color:#fff;position:relative;overflow:hidden}
.banner::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.14);right:-60px;top:-90px}
.b1{background:linear-gradient(135deg,#0f766e,#6366f1)}
.b2{background:linear-gradient(135deg,#1d4ed8,#0ea5e9)}
.b3{background:linear-gradient(135deg,#9333ea,#ec4899)}
.b4{background:linear-gradient(135deg,#b45309,#f59e0b)}
.proj-b{padding:4px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.proj h3{font-family:var(--head);font-size:1.2rem}
.proj .cat{font-size:.78rem;color:var(--acc);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.proj p{color:var(--muted);font-size:.93rem}
.proj ul li{font-size:.88rem;color:var(--muted);padding-left:18px;position:relative;margin-bottom:5px}
.proj ul li::before{content:"•";position:absolute;left:4px;color:var(--acc)}
.proj .tags{margin-top:auto}
.store{display:flex;gap:10px;flex-wrap:wrap}
.store a{font-size:.84rem;font-weight:600;padding:8px 14px;border-radius:10px;border:1px solid var(--card-b);transition:.2s}
.store a:hover{border-color:var(--acc);color:var(--acc)}

/* practices */
.prac{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px}
.prac h3{font-family:var(--head);font-size:1.1rem;margin-bottom:6px}
.prac p{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.layers{display:grid;gap:8px}
.layer{padding:11px 14px;border-radius:12px;font-size:.86rem;display:flex;justify-content:space-between;gap:10px;border:1px solid var(--card-b)}
.layer span{color:var(--muted);font-size:.78rem;text-align:right}
.l1{background:rgba(45,212,191,.14)}.l2{background:rgba(56,189,248,.12);margin-inline:14px}.l3{background:rgba(99,102,241,.14);margin-inline:28px}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.node{padding:8px 13px;border-radius:10px;font-size:.82rem;background:rgba(99,102,241,.13);border:1px solid rgba(99,102,241,.3);font-weight:600}
.node.g{background:rgba(45,212,191,.12);border-color:rgba(45,212,191,.3)}
.arrow{color:var(--muted)}
.branches{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;line-height:2;color:var(--muted)}
.branches b{color:var(--acc);font-weight:600}
.branches i{color:var(--acc2);font-style:normal}

/* edu */
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.two h3{font-family:var(--head);margin-bottom:14px;font-size:1.1rem}
.item{padding:14px 0;border-bottom:1px solid var(--card-b)}
.item:last-child{border:0}
.item b{display:block}
.item span{color:var(--muted);font-size:.88rem}
.item a{color:var(--acc);font-size:.88rem;font-weight:600}
.item a:hover{text-decoration:underline}

/* contact */
.contact{text-align:center}
.contact .lead{margin-inline:auto}
.clinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;max-width:900px;margin:0 auto 34px}
.clinks a.card{display:block}
.clinks .ic{font-size:1.6rem;margin-bottom:6px}
.clinks small{display:block;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em}
.clinks span{font-weight:600;word-break:break-word}
footer{padding:28px 0;border-top:1px solid var(--card-b);text-align:center;color:var(--muted);font-size:.85rem}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.to-top{position:fixed;right:18px;bottom:18px;z-index:40;opacity:0;pointer-events:none;transition:.3s}
.to-top.show{opacity:1;pointer-events:auto}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}
@media print{header,.orb,.to-top{display:none}.rv{opacity:1;transform:none}}