:root{--bg:#eef3fa;--fg:#10203a;--mut:#5a6a85;--blue:#0b73d9;--amber:#ffb400;--green:#16a34a;--cyan:#06b6d4;--card:#fff;--line:#d5e0f0;--navy:#0a1930;--grid:rgba(11,115,217,.07)}
@media(prefers-color-scheme:dark){:root{--bg:#07101f;--fg:#e6eefb;--mut:#9fb0cc;--blue:#4aa8ff;--card:#0f1d36;--line:#1e3358;--grid:rgba(74,168,255,.06)}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background-color:var(--bg);
 background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:32px 32px}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}a{color:var(--blue)}
.stripe,.nav{border-bottom:6px solid;border-image:repeating-linear-gradient(45deg,var(--amber) 0 12px,#111 12px 24px) 6}
.nav{position:sticky;top:0;background:var(--navy);z-index:5}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:12px;padding-bottom:12px}
.brand{font:700 1.1rem ui-monospace,Menlo,Consolas,monospace;text-decoration:none;color:var(--amber)}.brand:before{content:"\26A1 "}
nav a{margin-left:16px;text-decoration:none;color:#b9cdee;font-size:.92rem}nav a:hover{color:var(--amber)}
.hero{margin-top:24px;padding:58px 36px 40px;border-radius:16px;color:#fff;position:relative;overflow:hidden;border:2px solid var(--blue);
 background:radial-gradient(circle at 85% 20%,rgba(6,182,212,.35),transparent 45%),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(135deg,#0a1930,#0b3a78);background-size:auto,24px 24px,24px 24px,auto}
.hero h1{font-size:2.8rem;margin:0;letter-spacing:-.5px}.hero .role{font-size:1.2rem;font-weight:700;margin:6px 0 10px;color:var(--amber)}
.status{font:.85rem ui-monospace,Menlo,Consolas,monospace;color:#9fe9b5;margin-bottom:14px}
.led{display:inline-block;width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 8px #22c55e;margin-right:8px;animation:blink 2s infinite}
@keyframes blink{50%{opacity:.35}}
.hero p{max-width:760px;color:#dbe7fb}
.btn{display:inline-block;background:var(--amber);color:#111;padding:10px 20px;border-radius:8px;text-decoration:none;border:2px solid var(--amber);cursor:pointer;font-size:1rem;font-weight:700}
.btn.alt{background:transparent;color:var(--blue);border-color:var(--blue)}.hero .btn.alt{color:#fff;border-color:#fff}
.hero .tag{background:rgba(255,255,255,.1);border-color:rgba(6,182,212,.6);color:#d8f4ff}
section{padding:34px 0}
h2{margin:0 0 18px;font-size:1.65rem;display:inline-block;border-bottom:4px solid var(--amber);padding-bottom:4px}
section h2:before{content:"// ";font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--cyan)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:10px;padding:16px;box-shadow:0 3px 12px rgba(10,25,48,.08)}
.grid>.card:nth-child(4n+2){border-left-color:var(--amber)}.grid>.card:nth-child(4n+3){border-left-color:var(--green)}.grid>.card:nth-child(4n){border-left-color:var(--cyan)}
.card h3{margin:0 0 4px;font-size:1.05rem}
.tag{display:inline-block;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:3px 12px;margin:3px;font:.85rem ui-monospace,Menlo,Consolas,monospace}
.job{margin-bottom:22px;padding:12px 16px;background:var(--card);border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:10px}
.job:nth-child(even){border-left-color:var(--amber)}.job h3{margin:0;color:var(--blue)}
.meta{color:var(--mut);font-size:.9rem}ul{padding-left:20px}
.stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:22px}
.stats>div{background:rgba(255,255,255,.08);border:1px solid rgba(255,180,0,.5);border-radius:8px;padding:8px 16px;color:#cfe0fb}
.stats b{display:block;font:700 1.7rem ui-monospace,Menlo,Consolas,monospace;color:var(--amber)}
form label{display:block;margin:10px 0 4px;font-weight:600}
input,textarea,select{width:100%;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:inherit}
input:focus,textarea:focus{outline:2px solid var(--blue)}
.hp{position:absolute;left:-9999px}.ok{background:#e6f6ec;color:#14532d;padding:10px;border-radius:8px}.err{background:#fde8e8;color:#7f1d1d;padding:10px;border-radius:8px}
.post-body{max-width:760px}.post-body img{max-width:100%}
footer{background:var(--navy);color:#b9cdee;padding:22px 0;text-align:center;margin-top:30px;border-top:6px solid;border-image:repeating-linear-gradient(45deg,var(--amber) 0 12px,#111 12px 24px) 6}
table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid var(--line);text-align:left}
/* admin blocks */
.blk{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--amber);border-radius:10px;margin:12px 0;padding:0 16px}
.blk summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:1.05rem}.blk[open]{border-left-color:var(--blue)}
.item{border:1px dashed var(--line);border-radius:8px;padding:12px;margin:10px 0}.itemhead{display:flex;justify-content:space-between;margin-bottom:6px}
.mini{background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:2px 10px;cursor:pointer}.mini.del{color:#c00}
/* ---- v2 professional refresh ---- */
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.brand,.status,.tag,section h2:before{font-family:"JetBrains Mono",ui-monospace,monospace}
.nav{backdrop-filter:blur(10px);background:rgba(10,25,48,.92)}
.hero{box-shadow:0 20px 50px -20px rgba(11,58,120,.55)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
.card,.job{transition:transform .2s ease,box-shadow .2s ease}
.card:hover,.job:hover{transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(10,25,48,.25)}
.btn{transition:filter .15s ease,transform .15s ease}.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.video{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin:18px 0 24px;background:#000;box-shadow:0 14px 34px -14px rgba(0,0,0,.5)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ytprev .video{max-width:520px}
.thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:8px;overflow:hidden;margin-bottom:10px;background:#000}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.play{position:absolute;inset:0;margin:auto;width:54px;height:38px;border-radius:10px;background:rgba(220,0,0,.9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.post-card{display:grid;grid-template-columns:240px 1fr;gap:18px;margin-bottom:16px;align-items:start}
.post-card:not(:has(.thumb)){grid-template-columns:1fr}
.post-card .thumb{margin:0}
.article{max-width:780px}.article h1{font-size:clamp(1.8rem,4vw,2.5rem);line-height:1.2;margin:.3em 0}
.post-body{font-size:1.06rem;line-height:1.8}.post-body img{max-width:100%;border-radius:10px}
.post-body pre{overflow:auto;background:var(--navy);color:#e6eefb;padding:14px;border-radius:8px}
@media(max-width:640px){nav a{margin-left:10px;font-size:.85rem}.hero{padding:40px 22px 30px}.post-card{grid-template-columns:1fr}}

/* ---- blog options: category, tags, cover, extra media ---- */
.chip{display:inline-block;padding:3px 12px;margin:3px 4px 3px 0;border-radius:99px;border:1px solid var(--line);background:var(--card);font-size:.85rem;text-decoration:none;color:var(--fg)}
.chip.cat{border-color:var(--blue)}.chip.tg{border-color:var(--green);color:var(--green)}.chip.on{background:var(--amber);color:#111;border-color:var(--amber)}
.cover{width:100%;max-height:460px;object-fit:cover;border-radius:12px;margin:12px 0 18px;display:block}
.media{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:24px}
.media figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px}.media img{width:100%;border-radius:8px;display:block}
.media figcaption{margin-top:8px;font-size:.92rem;color:var(--mut)}.media .video{margin:0}

/* ---- social links + certification logos ---- */
.socials{margin-top:16px}
.soc{display:inline-flex;align-items:center;gap:8px;padding:5px 14px 5px 6px;margin:4px 6px 4px 0;border-radius:99px;color:#fff;text-decoration:none;font-size:.9rem;font-weight:600;transition:transform .15s ease,filter .15s ease}
.soc:hover{transform:translateY(-2px);filter:brightness(1.1)}
.soc b{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.25);font:700 .68rem ui-monospace,Menlo,Consolas,monospace}
.clogo{display:block;width:auto;height:auto;max-width:100%;max-height:78px;margin-bottom:10px;background:#fff;padding:6px 10px;border-radius:8px;border:1px solid var(--line)}

/* ---- project case studies ---- */
.proj{display:block;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.proj:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(10,25,48,.18)}
.proj h3{color:var(--blue)}.proj .chips{margin:8px 0}.more{display:inline-block;margin-top:6px;font-weight:700;color:var(--blue);font-size:.9rem}
.badge{display:inline-block;background:var(--amber);color:#111;font:700 .78rem ui-monospace,Menlo,Consolas,monospace;padding:2px 10px;border-radius:6px;margin:4px 0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.facts .card b{display:block;font:700 .75rem ui-monospace,Menlo,Consolas,monospace;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.scope-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.scope-list li{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--green);border-radius:8px;padding:10px 14px;font-weight:600}