:root{--bg:#000;--card:#0a0a0a;--fg:#ededed;--mut:#8a8a8a;--bd:#262626;--acc:#fff;--chip:#141414;--glass:rgba(0,0,0,.7)}
[data-theme=light]{--bg:#fff;--card:#fafafa;--fg:#111;--mut:#666;--bd:#e5e5e5;--acc:#000;--chip:#f1f1f1;--glass:rgba(255,255,255,.75)}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;transition:background .3s,color .3s;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%;display:block}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
section{padding:72px 0}
h2.title{font-size:2rem;font-weight:700;letter-spacing:-.02em}
.sub{color:var(--mut);margin:6px 0 36px}
/* nav */
nav{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--glass);backdrop-filter:blur(12px);border-bottom:1px solid var(--bd)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;font-size:1.1rem}
.links{display:flex;gap:4px;align-items:center}
.links a{padding:6px 12px;border-radius:8px;font-size:.9rem;color:var(--mut);transition:.2s}
.links a:hover,.links a.active{color:var(--fg);background:var(--chip)}
.icon-btn{background:none;border:1px solid var(--bd);color:var(--fg);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem;display:grid;place-items:center;transition:.2s}
.icon-btn:hover{background:var(--chip)}
.burger{display:none}
/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:110px;text-align:center}
.avatar{width:160px;height:160px;border-radius:50%;object-fit:cover;object-position:top;margin:0 auto 24px;border:3px solid var(--bd);background:var(--chip);box-shadow:0 0 0 6px var(--chip)}
.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);letter-spacing:-.03em;line-height:1.1}
.role{font-size:1.25rem;color:var(--mut);margin-top:8px}
.loc{color:var(--mut);font-size:.9rem;margin-top:4px}
.hero p.bio{max-width:680px;margin:20px auto 0;color:var(--mut)}
.btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.btn{padding:10px 22px;border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid var(--acc);transition:.25s;cursor:pointer;display:inline-flex;gap:8px;align-items:center;background:none;color:var(--fg)}
.btn.fill{background:var(--acc);color:var(--bg)}.btn:hover{transform:translateY(-2px);opacity:.85}
.socials{display:flex;gap:12px;justify-content:center;margin-top:28px}
.socials a{width:42px;height:42px;border-radius:50%;border:1px solid var(--bd);display:grid;place-items:center;font-size:1.1rem;transition:.25s}
.socials a:hover{background:var(--acc);color:var(--bg);transform:translateY(-3px)}
/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--bd);background:var(--card);border-radius:999px;font-size:.88rem;transition:.25s}
.chip:hover{transform:translateY(-3px);border-color:var(--acc)}
.chip img{width:20px;height:20px;object-fit:contain}
.chip.sm{padding:3px 10px;font-size:.75rem;background:var(--chip)}
.skillgrp{margin-bottom:28px}.skillgrp h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mut);margin-bottom:12px}
.skillgrp.box{position:relative;padding:24px;border-radius:18px;background:linear-gradient(135deg,var(--card),var(--chip));box-shadow:0 16px 40px rgba(0,0,0,.12);transition:transform .3s,border-color .3s,box-shadow .3s}
.skillgrp.box:hover{transform:translateY(-4px);border-color:var(--mut);box-shadow:0 20px 48px rgba(0,0,0,.2)}
.skill-heading{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.skill-heading>div{min-width:0}
.skill-heading .skill-icon{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;border:1px solid var(--bd);border-radius:13px;background:var(--chip);font-size:1.15rem}
.skill-heading h3{margin:0 0 3px;color:var(--fg);font-size:.9rem}
.skill-heading p{color:var(--mut);font-size:.82rem}
.skillgrp .chips{gap:9px}
.skillgrp .chip{background:var(--bg);box-shadow:inset 0 1px rgba(255,255,255,.025)}
.skillgrp .chip>i{width:20px;text-align:center;font-size:1rem;line-height:1}
.skillgrp .chip>img.amazon-mark{width:20px;height:20px;object-fit:contain}
.skillgrp .chip .brand-mark{padding:2px;border-radius:50%;background:#fff}
.skillgrp:first-of-type .skill-icon{color:#61dafb}
.skillgrp:last-of-type .skill-icon{color:#9b8cff}
.tool-seo{color:#34a853}
.tool-analytics{color:#f9ab00}
.tool-searchconsole{color:#4285f4}
.tool-business{color:#ea4335}
.tool-googleads{color:#34a853}
.tool-meta{color:#0866ff}
.tool-amazon{color:#ff9900}
.tool-semrush{color:#ff642d}
.tool-ahrefs{color:#f04f38}
.tool-screamingfrog{color:#65b741}
.tool-gtmetrix{color:#22a6d2}
.tool-clarity{color:#00a4ef}
.tool-mailchimp{color:#ffe01b}
.tool-brevo{color:#0b996e}
.tool-email{color:#ea4335}
.tool-blog{color:#8b5cf6}
.tool-godaddy{color:#3b82f6}
.tool-video{color:#e879f9}
.tool-canva{color:#00c4cc}
.tool-figma{color:#f24e1e}
.tool-photoshop{color:#31a8ff}
.tool-ai{color:#b18cff}
.tool-node{color:#68a063}
.tool-mongodb{color:#00ed64}
.tool-github{color:var(--fg)}
.tool-vercel{color:var(--fg)}
.tool-netlify{color:#05bdba}
/* timeline */
.tl{position:relative;padding-left:28px}.tl:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--bd)}
.tl-item{position:relative;margin-bottom:28px}
.tl-item:before{content:"";position:absolute;left:-28px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--acc)}
.tl-item h3{font-size:1.1rem}.tl-item .org{color:var(--mut)}.tl-item .date{font-size:.8rem;color:var(--mut);margin:2px 0 8px}
.tl-item ul{list-style:disc;padding-left:18px;color:var(--mut);font-size:.92rem;margin-bottom:10px}
/* projects */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{padding:7px 16px;border-radius:999px;border:1px solid var(--bd);background:none;color:var(--mut);cursor:pointer;font:inherit;font-size:.85rem;transition:.2s}
.filters button.on,.filters button:hover{background:var(--acc);color:var(--bg);border-color:var(--acc)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:var(--mut);box-shadow:0 12px 30px rgba(0,0,0,.25)}
.card .im{aspect-ratio:16/10;overflow:hidden;background:var(--chip)}
.card .im img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s}.card:hover .im img{transform:scale(1.06)}
.card .bd{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:1.05rem;display:flex;align-items:center;gap:8px}
.card p{color:var(--mut);font-size:.87rem;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.card .chips{gap:6px}.card .ft{margin-top:auto;display:flex;gap:14px;font-size:.85rem;font-weight:600}.card .ft a:hover{text-decoration:underline}
.badge{font-size:.65rem;padding:2px 8px;border-radius:99px;background:var(--acc);color:var(--bg)}
/* cert + contact */
.box{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:22px}
.contact{display:grid;grid-template-columns:1fr 1.4fr;gap:20px}
.contact .info li{display:flex;gap:12px;align-items:center;margin:14px 0;color:var(--mut);font-size:.92rem;word-break:break-all}.contact .info i{color:var(--fg);width:18px}
form{display:flex;flex-direction:column;gap:14px}
input,textarea{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--bd);background:var(--bg);color:var(--fg);font:inherit;outline:none;transition:.2s}
input:focus,textarea:focus{border-color:var(--acc)}
footer{border-top:1px solid var(--bd);padding:28px 0;text-align:center;color:var(--mut);font-size:.85rem}
footer .socials{margin:0 0 16px}
/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s,transform .7s}.rv.in{opacity:1;transform:none}
@media(hover:hover){
 .avatar.rv{transition:opacity .7s,transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,border-color .35s}
 .avatar.rv.in:hover{transform:translateY(-5px) scale(1.045);border-color:var(--acc);box-shadow:0 0 0 6px var(--chip),0 0 0 8px var(--bd),0 16px 34px rgba(0,0,0,.3)}
}
@media(prefers-reduced-motion:reduce){.avatar.rv,.avatar.rv.in:hover{transition:none;transform:none}}
@media(max-width:760px){
 .burger{display:grid}.links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--bd);padding:10px 20px;display:none}
 .links.open{display:flex}.contact{grid-template-columns:1fr}section{padding:56px 0}}
@media(prefers-reduced-motion:reduce){.rv{transition:none;opacity:1;transform:none}html{scroll-behavior:auto}}
@media(prefers-reduced-motion:reduce){.skillgrp.box,.chip{transition:none}.skillgrp.box:hover,.chip:hover{transform:none}}
/* sub pages */
.subpage{padding:110px 0 60px;min-height:80vh}
.back{display:inline-flex;gap:6px;align-items:center;color:var(--mut);font-size:.9rem;margin-bottom:20px;transition:.2s}.back:hover{color:var(--fg);transform:translateX(-3px)}
.pg-title{font-size:clamp(1.8rem,5vw,2.8rem);letter-spacing:-.02em;line-height:1.15}
.meta{color:var(--mut);font-size:.8rem}
.card h3 a:hover{text-decoration:underline}.card a.im{display:block}
.shot{border:1px solid var(--bd);border-radius:14px;overflow:hidden;background:var(--card);margin-bottom:32px}
.shot .dots{display:flex;gap:6px;padding:10px 14px;border-bottom:1px solid var(--bd)}.shot .dots i{width:10px;height:10px;border-radius:50%;background:var(--bd)}
.shot img{width:100%;max-height:560px;object-fit:cover;object-position:top}
.detail{display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:start}
.detail h2{font-size:1.2rem;margin:0 0 10px}.lead{color:var(--mut);margin-bottom:16px}
.feat{list-style:disc;padding-left:20px;color:var(--mut)}.feat li{margin-bottom:6px}
.box dl dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin-top:14px}.box dl dd{margin-top:4px}
.stack{display:flex;flex-direction:column;gap:10px;margin-top:22px}.stack .btn{justify-content:center}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px}
.pn a{border:1px solid var(--bd);border-radius:12px;padding:14px 16px;background:var(--card);transition:.25s;font-weight:600}.pn a:hover{border-color:var(--acc);transform:translateY(-3px)}
.pn small{display:block;color:var(--mut);font-weight:400;font-size:.78rem;margin-bottom:2px}
.post{max-width:720px;margin:0 auto}
.prose{font-size:1.05rem}.prose p{color:var(--mut);margin-bottom:18px}.prose h2{font-size:1.4rem;margin:34px 0 12px}
.prose code{background:var(--chip);padding:2px 6px;border-radius:6px;font-size:.88em}
.prose pre{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:16px;overflow-x:auto;margin-bottom:20px}.prose pre code{background:none;padding:0}
.prose b{color:var(--fg)}.prose ul{list-style:disc;padding-left:22px;color:var(--mut);margin-bottom:18px}
.hero p.bio,#about>.wrap>.box>p,.tl-item ul,.contact .box>p,.cert-showcase-head p,.lead,.prose p,.feat{text-align:justify;text-align-last:start}
.card p,#about .grid .box p{text-wrap:pretty}
@media(max-width:760px){.detail{grid-template-columns:1fr}.pn{grid-template-columns:1fr}.pn a[style]{text-align:left!important}.subpage{padding-top:96px}}
/* certificates + lightbox */
.cert-showcase{--cert-accent:var(--fg);position:relative;margin-top:38px;padding:clamp(20px,4vw,38px);overflow:hidden;border:1px solid var(--bd);border-radius:24px;background:radial-gradient(ellipse at 92% 0%,rgba(255,255,255,.045),transparent 38%),linear-gradient(145deg,var(--card),var(--bg) 78%);box-shadow:0 24px 70px rgba(0,0,0,.22)}
.cert-showcase:before{position:absolute;top:0;left:38px;right:38px;height:1px;background:linear-gradient(90deg,transparent,var(--cert-accent),transparent);content:""}
.cert-showcase-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
.cert-showcase-head>div:first-child{max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--cert-accent);font-size:.68rem;font-weight:700;letter-spacing:.16em}
.cert-showcase-head h3{font-size:clamp(1.45rem,3vw,2rem);letter-spacing:-.035em;line-height:1.2}
.cert-showcase-head p{margin-top:8px;color:var(--mut);font-size:.9rem}
.cert-controls{display:flex;align-items:center;gap:9px;flex-shrink:0}
.cert-count{min-width:64px;margin-right:6px;font-size:.83rem;font-weight:700;letter-spacing:.05em;font-variant-numeric:tabular-nums}
.cert-count span{color:var(--mut);font-weight:500}
.cert-arrow{display:grid;width:40px;height:40px;place-items:center;border:1px solid var(--bd);border-radius:50%;background:var(--chip);color:var(--fg);font-size:1rem;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.cert-arrow:hover:not(:disabled){transform:translateY(-2px);border-color:var(--cert-accent);background:var(--cert-accent);color:var(--bg)}
.cert-arrow:disabled{opacity:.35;cursor:default}
.cert-viewport{overflow:hidden}
.cert-track{--cert-gap:18px;display:flex;gap:var(--cert-gap);overflow-x:auto;padding:4px 2px 16px;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;overscroll-behavior-x:contain;cursor:grab;touch-action:pan-x}
.cert-track.is-dragging{cursor:grabbing;scroll-snap-type:none;scroll-behavior:auto}
.cert-track.is-dragging *{user-select:none}
.cert-track img{-webkit-user-drag:none}
.cert-track::-webkit-scrollbar{display:none}
.cert-track:focus-visible{outline:2px solid var(--cert-accent);outline-offset:4px;border-radius:12px}
.cert-track button.cert{position:relative;flex:0 0 calc((100% - var(--cert-gap)*2)/3);min-width:0;padding:0;border-color:var(--bd);border-radius:17px;background:linear-gradient(155deg,var(--chip),var(--card) 65%);color:var(--fg);font:inherit;text-align:left;cursor:pointer;scroll-snap-align:start;box-shadow:0 10px 30px rgba(0,0,0,.12)}
.cert-track button.cert:hover{border-color:var(--mut);box-shadow:0 18px 42px rgba(0,0,0,.3)}
.cert-track button.cert:hover{transform:none}
.cert-track button.cert:focus-visible,.cert-arrow:focus-visible{outline:2px solid var(--cert-accent);outline-offset:3px}
.cert-number{position:absolute;z-index:1;top:12px;left:12px;display:flex;align-items:center;gap:8px;padding:6px 9px;border:1px solid rgba(255,255,255,.16);border-radius:99px;background:rgba(10,10,10,.72);color:#fff;font-size:.68rem;font-weight:700;letter-spacing:.08em;backdrop-filter:blur(10px)}
.cert-number i{color:var(--cert-accent)}
.cert-track button.cert .im{aspect-ratio:1.55;display:grid;place-items:center;padding:14px;background:linear-gradient(145deg,var(--chip),var(--bg))}
.cert-track button.cert .im img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .45s}
.cert-track button.cert:hover .im img{transform:scale(1.035)}
.cert-track button.cert .bd{min-height:142px;padding:16px 17px 17px;gap:8px}
.cert-track button.cert h3{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;font-size:.96rem;line-height:1.4}
.cert-track button.cert .meta{font-size:.75rem;line-height:1.45}
.cert-view{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:5px;color:var(--cert-accent);font-size:.73rem;font-weight:600;letter-spacing:.015em}
.cert-progress{height:2px;overflow:hidden;border-radius:99px;background:var(--bd)}
.cert-progress span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--mut),var(--fg));transition:width .2s}
.cert-hint{margin-top:13px;color:var(--mut);font-size:.73rem}
.cert-hint i{margin-right:5px;color:var(--cert-accent)}
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto;cursor:zoom-out}
.lb[hidden]{display:none}.lb img{max-width:min(960px,100%);max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:8px;background:#fff}
.lb-x{position:fixed;top:16px;right:16px;background:var(--bg)}
@media(max-width:760px){.cert-showcase{padding:22px 18px;border-radius:20px}.cert-showcase-head{align-items:flex-start;flex-direction:column;gap:16px}.cert-controls{width:100%;justify-content:flex-end}.cert-count{margin-right:auto}.cert-track{--cert-gap:13px}.cert-track button.cert{flex-basis:calc((100% - var(--cert-gap))/2)}}
@media(max-width:480px){.cert-track button.cert{flex-basis:86%}.cert-showcase-head p{font-size:.84rem}.cert-track button.cert .bd{min-height:132px}}
@media(prefers-reduced-motion:reduce){.cert-track{scroll-behavior:auto}.cert-arrow,.cert-progress span{transition:none}}