/* TheekMind portfolio. Brand: Navy #0F2D5B, Blue #1E7FE0 (brand only, not body text), Slate #647488, Light #F8FAFC, Link #1566BB. Inter 400/500/600. */
:root{
  --navy:#0F2D5B;--blue:#1E7FE0;
  --bg:#F8FAFC;--surface:#fff;--soft:#EEF3FA;--text:#1E293B;--head:#0F2D5B;--muted:#516173;--line:#E2E8F0;
  --link:#1566BB;--btn:#0F2D5B;--btn-text:#fff;--chip:#E2ECFA;--chip-text:#0F2D5B;
  --shadow:0 1px 3px rgb(15 45 91/.10),0 8px 24px rgb(15 45 91/.06);--shadow-hover:0 2px 6px rgb(15 45 91/.14),0 14px 32px rgb(15 45 91/.14);
  --radius:14px;--ok:#15803d;
}
:root[data-theme="dark"]{color-scheme:dark;
  --bg:#0B1220;--surface:#111B2E;--soft:#0F1A2D;--text:#D9E2EF;--head:#F1F5FB;--muted:#9AA9BF;--line:#22304A;
  --link:#7DB4F5;--btn:#1566BB;--btn-text:#fff;--chip:#1A2A47;--chip-text:#CFE2FA;
  --shadow:0 1px 3px rgb(0 0 0/.4);--shadow-hover:0 10px 28px rgb(0 0 0/.5);--ok:#4ade80;
}
*{box-sizing:border-box}
html{color-scheme:light;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font:400 16px/1.6 Inter,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto}
a{color:var(--link)}
h1,h2,h3{font-weight:600;color:var(--head);margin:0 0 .5em}
h1{font-size:40px;line-height:1.15}
h2{font-size:28px;line-height:1.25}
h3{font-size:20px;line-height:1.35}
p{margin:0 0 1em}
ul{padding-left:1.25em}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;background:var(--soft);padding:.1em .35em;border-radius:5px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.small{font-size:14px;line-height:1.5;color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--navy);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);color:var(--head);border-bottom:1px solid var(--line)}
.site-header .bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--head);text-decoration:none;font-weight:600;font-size:20px;justify-self:start}
.brand img{width:40px;height:40px;border-radius:50%}
.nav{display:flex;align-items:center;gap:6px;justify-self:center}
.nav a{color:var(--head);text-decoration:none;font-size:15px;font-weight:500;padding:8px 16px;border-radius:999px;transition:background .15s,color .15s}
.nav a:hover{background:var(--soft)}
.nav a[aria-current="page"]{background:var(--chip);color:var(--chip-text);font-weight:600}
.nav .only-small{display:none}
.actions{display:flex;align-items:center;gap:12px;justify-self:end}
.pill{display:inline-block;background:var(--btn);color:var(--btn-text);padding:9px 20px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;transition:box-shadow .15s,transform .15s}
.pill:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.pill[aria-current="page"]{box-shadow:0 0 0 3px var(--chip)}

/* light / dark switch */
.switch{position:relative;display:none;width:60px;height:32px;padding:0;border-radius:999px;border:1px solid var(--line);background:var(--soft);cursor:pointer;transition:background .25s,border-color .25s}
.js .switch{display:inline-block}
.switch:hover{border-color:var(--link)}
.switch .ico{position:absolute;top:50%;width:16px;height:16px;margin-top:-8px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;color:var(--muted);transition:opacity .25s}
.switch .sun{left:8px}
.switch .moon{right:8px}
.switch .knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:var(--navy);box-shadow:0 1px 3px rgb(15 45 91/.35);transition:transform .25s cubic-bezier(.4,0,.2,1),background .25s}
.switch[aria-checked="true"] .knob{transform:translateX(28px);background:var(--blue)}
.switch[aria-checked="false"] .sun,.switch[aria-checked="true"] .moon{opacity:0}
.switch .ico.on{color:#fff}

.menu-btn{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--head);cursor:pointer;place-items:center}
.menu-btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}
.menu-btn:hover{background:var(--soft)}
@media (max-width:860px){
  .site-header .bar{grid-template-columns:1fr auto;min-height:64px}
  .actions{gap:10px}
  .actions .pill{display:none}
  .js .menu-btn{display:inline-grid}
  .nav{grid-column:1/-1;grid-row:2;justify-self:stretch;flex-wrap:wrap;padding:0 0 10px}
  .js .nav{display:none;flex-direction:column;align-items:stretch;gap:2px;padding:4px 0 14px;border-top:1px solid var(--line)}
  .js .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .nav .only-small{display:block}
  .nav .only-small.cta-link{background:var(--btn);color:var(--btn-text);text-align:center;margin-top:6px;font-weight:600}
}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:72px 0 48px}
.eyebrow{display:inline-block;font-size:14px;font-weight:600;color:var(--link);margin-bottom:12px}
.hero h1{font-size:48px;line-height:1.1}
.hero .lead{font-size:19px;color:var(--muted);max-width:54ch}
.roles{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px;padding:0;list-style:none}
.roles li,.chip{background:var(--chip);color:var(--chip-text);font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;line-height:1.5}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:10px;font-weight:600;text-decoration:none;border:2px solid var(--btn);color:var(--head);background:transparent;font-size:16px}
.btn.primary{background:var(--btn);color:var(--btn-text)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn.lg{padding:14px 26px}
.note{margin-top:16px;font-size:14px;color:var(--muted)}
.collage{position:relative;padding:0 0 56px}
.frame{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-hover);overflow:hidden}
.frame .bar{display:flex;gap:6px;padding:9px 12px;background:var(--soft);border-bottom:1px solid var(--line)}
.frame .bar i{width:10px;height:10px;border-radius:50%;background:var(--line);display:block}
.frame img{display:block;width:100%;height:auto}
.collage .frame.back{width:88%}
.collage .frame.front{position:absolute;width:60%;right:0;bottom:0}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:32px;padding:40px 0 32px}
  .hero h1{font-size:34px}
  .collage .frame.front{width:56%}
}

/* generic sections */
section.block{padding:56px 0;border-top:1px solid var(--line)}
section.block.alt{background:var(--soft)}
.section-head{max-width:62ch;margin-bottom:28px}
.section-head p{color:var(--muted);margin:0}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}

/* proof stats */
.stats{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));padding:8px 0 56px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:30px;line-height:1.1;color:var(--head);font-weight:600}
.stat span{font-size:14px;color:var(--muted);line-height:1.4;display:block;margin-top:4px}

/* project cards */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.filters[hidden]{display:none}
.filters button{font:600 14px Inter,sans-serif;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--head);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}
.projects{display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(310px,1fr))}
.pcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s,transform .2s}
.pcard:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pcard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--navy)}
.pcard .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard h3{margin:0}
.pcard p{margin:0;color:var(--muted);font-size:15px}
.pcard .tags{display:flex;gap:6px;flex-wrap:wrap}
.pcard .links{margin-top:auto;display:flex;gap:16px;flex-wrap:wrap;font-weight:600;font-size:15px;padding-top:6px}
.pcard[hidden]{display:none}
.pcard.feature{grid-column:1/-1;flex-direction:row}
.pcard.feature img{width:52%;aspect-ratio:auto;object-fit:cover}
@media (max-width:760px){.pcard.feature{flex-direction:column}.pcard.feature img{width:100%;aspect-ratio:16/9}}

/* skills */
.skills{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.skill h3{font-size:17px;margin-bottom:10px}
.skill ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.skill li{background:var(--chip);color:var(--chip-text);font-size:14px;font-weight:500;padding:4px 12px;border-radius:8px}

/* timeline */
.timeline{list-style:none;margin:0;padding:0 0 0 22px;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 28px 20px}
.timeline li::before{content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--navy);border:3px solid var(--bg)}
:root[data-theme="dark"] .timeline li::before{background:var(--blue)}
.timeline h3{margin-bottom:2px;font-size:18px}
.timeline .when{font-size:14px;color:var(--muted);margin-bottom:6px;display:block}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:24px}}

/* blog */
.posts{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.post{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-decoration:none;color:var(--text)}
.post:hover{box-shadow:var(--shadow-hover)}
.post h3{margin:0;color:var(--head)}
.post .meta{font-size:13px;color:var(--muted)}

/* CTA band */
.cta{background:var(--chip);color:var(--text);border:1px solid var(--line);border-radius:20px;padding:48px 28px;text-align:center;margin:56px 0}
.cta h2{color:var(--head)}
.cta p{color:var(--muted);max-width:52ch;margin:0 auto 22px}
.cta .btn.primary{background:var(--btn);color:var(--btn-text)}
.cta .btns{justify-content:center}

/* case study */
.crumbs{font-size:14px;margin:28px 0 0}
.cs-hero{padding:24px 0 36px}
.cs-hero .lead{font-size:19px;color:var(--muted);max-width:62ch}
.facts{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin:0 0 8px;padding:0;list-style:none}
.facts li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.facts b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:2px}
.prose{max-width:760px}
.prose ul{margin:0 0 1em}
.prose li{margin-bottom:.35em}
.gallery{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin:8px 0 0}
.gallery.one{grid-template-columns:1fr}
figure{margin:0}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);background:#fff}
figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.tablewrap{overflow-x:auto;margin:0 0 1em}
table{border-collapse:collapse;width:100%;background:var(--surface);border:1px solid var(--line);font-size:15px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;background:var(--soft);color:var(--head)}
.next{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:28px 0 8px;border-top:1px solid var(--line);margin-top:24px}

/* contact */
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.contact-list li{display:flex;gap:16px;align-items:baseline;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list b{min-width:110px;color:var(--head)}

/* footer */
.site-footer{background:var(--soft);color:var(--text);padding:40px 0 32px;margin-top:24px;border-top:1px solid var(--line)}
.site-footer .wrap{display:grid;gap:24px;grid-template-columns:2fr 1fr 1fr}
.site-footer h3{color:var(--head);font-size:15px;margin-bottom:10px}
.site-footer a{color:var(--link);text-decoration:none;display:block;padding:3px 0;font-size:15px}
.site-footer a:hover{text-decoration:underline}
.site-footer p{color:var(--muted);font-size:14px;margin:6px 0 0}
.site-footer .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:var(--muted)}
@media (max-width:700px){.site-footer .wrap{grid-template-columns:1fr}}

/* motion */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .pcard,.btn,.switch,.switch .knob,.pill,.nav a{transition:none}
}
@media print{.site-header,.site-footer,.cta,.filters{display:none}.js .reveal{opacity:1;transform:none}}
pre{overflow-x:auto;max-width:100%;background:var(--soft);border:1px solid var(--line);padding:14px 16px;border-radius:10px;font-size:14px;line-height:1.5}
pre code{background:none;padding:0}
a.frame{display:block;text-decoration:none}