/* ============================================================
   VEDAS Engineering — hyper-modern light design system
   Space Grotesk (display) · Inter (body) · JetBrains Mono (labels)
   Monochrome grayscale; near-black accent + silver tonal accent.
   Muted tones tuned to WCAG AA (>=4.5:1) on their backgrounds.
   ============================================================ */
:root{
  --bg:#ffffff; --paper:#f6f7f9; --paper2:#eef1f4;
  --ink:#0e1216; --ink2:#454c54; --muted:#6b727d; --line:#e7eaee; --line2:#d8dde2;
  --accent:#15191f; --accent-dk:#2d343d; --accent-soft:#b9bfc7; --tint:#eceef1; --silver:#9aa2ac;
  --dark:#0d1117; --dark2:#161c24; --ondark:#f3f5f7; --ondark-soft:#a7b0ba; --ondark-mut:#8a929d;
  --display:'Space Grotesk',-apple-system,system-ui,sans-serif;
  --body:'Inter',-apple-system,system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',monospace;
  --wrap:1180px; --radius:16px;
  --shadow:0 1px 2px rgba(14,18,22,.04),0 14px 40px -18px rgba(14,18,22,.16);
  --shadow-sm:0 1px 2px rgba(14,18,22,.05),0 6px 18px -10px rgba(14,18,22,.12);
  --t:.28s cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:17px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.04;color:var(--ink)}
.eyebrow{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block}
.lead{font-size:19px;color:var(--ink2);line-height:1.55;max-width:62ch}
.muted{color:var(--muted)}
.accent{color:var(--accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-weight:500;font-size:13.5px;letter-spacing:.02em;padding:13px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:var(--t);white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dk);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:16px 28px;font-size:14px}
.btn .arw{transition:transform var(--t)}
.btn:hover .arw{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.72);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center}
.brand img{height:26px;width:auto;display:block}
.nav-links{display:flex;gap:30px}
.nav-links a{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--ink2);transition:color var(--t);position:relative;padding:4px 0}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);transition:var(--t)}

/* ---------- hero ---------- */
.hero{padding:88px 0 70px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(60% 50% at 82% 0%,rgba(21,25,31,.07),transparent 70%),
  radial-gradient(50% 40% at 0% 30%,rgba(21,25,31,.04),transparent 70%)}
.hero-grid{position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(70% 60% at 70% 0%,#000,transparent 75%);mask-image:radial-gradient(70% 60% at 70% 0%,#000,transparent 75%)}
.hero h1{font-size:clamp(44px,6.6vw,86px);font-weight:600;letter-spacing:-.03em;max-width:16ch}
.hero h1 .em{color:var(--silver)}
.hero .lead{margin-top:26px;font-size:clamp(17px,1.7vw,21px)}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.tagstrip{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:42px;padding-top:26px;border-top:1px solid var(--line)}
.tagstrip span{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tagstrip b{color:var(--accent);font-weight:500}

/* ---------- trust strip ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.trust .wrap{display:flex;align-items:center;flex-wrap:wrap;gap:14px 36px;padding-top:22px;padding-bottom:22px}
.trust .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.trust .chip{font-family:var(--display);font-weight:600;font-size:15px;color:var(--ink);display:flex;align-items:center;gap:9px}
.trust .chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* ---------- generic section ---------- */
.section{padding:96px 0}
.section.gal{padding:40px 0}
.section.gal .sec-head{margin-bottom:22px}
.section.gal + .section.gal{padding-top:40px}
.section--alt{background:var(--paper)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head.center{margin:0 auto 52px;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head h2{font-size:clamp(30px,3.6vw,46px);margin-top:16px}
.sec-head .lead{margin-top:18px}
.sec-head.center .lead{margin-left:auto;margin-right:auto}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:var(--t)}
.card:hover{border-color:var(--line2);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.card .k{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.08em}
.card h3{font-size:20px;margin:14px 0 10px}
.card p{color:var(--ink2);font-size:15px}
.card h3:last-child{margin-bottom:0}
.cards--tight .card{padding:22px 24px}
.card .cic{width:30px;height:30px;color:var(--ink);display:block;margin-bottom:18px}
.card .ticks{margin-top:16px;gap:9px}
.card .ticks li{font-size:14px}
.card .fund{display:block;margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}

/* competency tiles */
.comp-cat{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:14px 0 8px}
.comp-cat:first-of-type{margin-top:4px}
.comp{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
.comp .t{display:flex;align-items:center;gap:11px;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--bg);transition:var(--t)}
.comp .t:hover{border-color:var(--accent);background:var(--tint);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.comp .t .ic{width:21px;height:21px;flex:none;color:var(--ink);transition:color var(--t)}
.comp .t:hover .ic{color:var(--accent)}
.comp .t span{font-family:var(--display);font-weight:600;font-size:13.5px;line-height:1.25}
/* big single heading for topic sections */
.sec-head.xl{margin-bottom:32px}
.sec-head.xl h2{font-size:clamp(36px,4.6vw,58px)}

/* thesis loop */
.loop{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin:8px 0 4px}
.loop .pill{font-family:var(--mono);font-weight:500;font-size:15px;letter-spacing:.06em;text-transform:uppercase;padding:16px 30px;border:1.5px solid var(--line2);border-radius:40px;color:var(--ink)}
.loop .ar{color:var(--accent);font-size:24px}

/* showcase gallery */
.shots{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);transition:var(--t)}
.shot:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.shot .im{aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;background:#fff;overflow:hidden}
.shot .im.dark{background:var(--dark)}
/* rotate warm scientific colormaps onto the site hue (~215deg blue-grey) */
.shot .im.cool img,.shot .im.cool video{filter:hue-rotate(196deg)}
.shot .im.cool-m img,.shot .im.cool-m video{filter:hue-rotate(254deg)}
.shot .im.neon video,.shot .im.neon img{filter:hue-rotate(175deg) saturate(1.9) brightness(1.18) contrast(1.12)}
.shot .im.violet img,.shot .im.violet video{filter:hue-rotate(260deg)}
.shot .im img,.shot .im video{width:100%;height:100%;object-fit:contain;padding:6px}
.shot .cap{padding:16px 18px;border-top:1px solid var(--line)}
.shot .cap b{font-family:var(--display);font-weight:600;font-size:15px;display:block}
.shot .cap span{font-size:13px;color:var(--muted)}
.col-6{grid-column:span 6}.col-4{grid-column:span 4}.col-3{grid-column:span 3}.col-8{grid-column:span 8}
/* provenance / caveat line under a figure gallery */
.fineprint{margin-top:28px;font-family:var(--mono);font-size:11.5px;line-height:1.75;letter-spacing:.02em;color:var(--muted);max-width:96ch}
/* content placeholders — scaffolding for content the founder will supply */
.ph{border:1.5px dashed var(--line2);border-radius:var(--radius);background:var(--paper);
  display:flex;flex-direction:column;justify-content:center;padding:22px 22px;min-height:158px}
.ph .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--silver);margin-bottom:10px}
.ph h3{color:var(--ink2);font-size:16px;margin:0 0 6px}
.ph p{color:var(--muted);font-size:13.5px;line-height:1.5;margin:0}
.ph--photo{align-items:center;justify-content:center;text-align:center;aspect-ratio:16/10;min-height:0}
.ph--photo .tag{margin-bottom:6px}
.sec-head .lead em{color:var(--silver);font-style:italic}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat .n{font-family:var(--display);font-weight:700;font-size:clamp(34px,4vw,52px);color:var(--accent);letter-spacing:-.02em}
.stat .l{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:8px}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}

/* dark band */
.band-dark{background:var(--dark);color:var(--ondark)}
.band-dark h2{color:var(--ondark)}
.band-dark .lead{color:var(--ondark-soft)}
.band-dark .card{background:var(--dark2);border-color:#222a34}
.band-dark .card h3{color:var(--ondark)}.band-dark .card p{color:var(--ondark-soft)}
.band-dark .eyebrow{color:var(--accent-soft)}
.band-dark .eyebrow::before{background:var(--accent-soft)}
.band-dark .card .k{color:var(--accent-soft)}
.band-dark .ticks li::before{background:var(--accent-soft)}

/* CTA */
.cta{padding:104px 0;text-align:center}
.cta h2{font-size:clamp(32px,4.4vw,56px);max-width:18ch;margin:16px auto 0}
.cta .lead{margin:20px auto 0;text-align:center}
.cta-actions{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--dark);color:var(--ondark-soft);padding:64px 0 30px}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:40px;border-bottom:1px solid #222a34}
.foot-brand .brand img{height:23px}.foot-brand p{margin-top:14px;font-size:14px;max-width:32ch;color:var(--ondark-mut)}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ondark-mut);margin-bottom:16px}
.foot-col a,.foot-col span{display:block;font-size:14px;color:var(--ondark-soft);margin-bottom:10px;transition:color var(--t)}
.foot-col a:hover{color:var(--accent-soft)}
.foot-ids{font-family:var(--mono);font-size:11px;color:var(--ondark-mut);letter-spacing:.04em;margin-top:8px;line-height:1.8}
.foot-ids b{color:var(--ondark-soft);font-weight:500}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-size:13px;color:var(--ondark-mut)}

/* page hero (inner pages) */
.page-hero{padding:74px 0 46px;overflow:hidden}

/* tick lists */
.ticks{display:grid;gap:12px;margin-top:10px;list-style:none}
.ticks li{display:flex;gap:13px;font-size:15.5px;color:var(--ink2);line-height:1.5}
.ticks li::before{content:"";width:18px;height:6px;border-radius:2px;background:var(--accent);flex:none;margin-top:8px}
.band-dark .ticks li{color:var(--ondark-soft)}

/* definition list / contact rows */
.dl{display:grid;gap:22px}
.dl .row{display:flex;flex-direction:column;gap:5px}
.dl .row .k{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.dl .row .v{font-size:16px;color:var(--ink)}
.dl .row .v a:hover{color:var(--accent)}

/* forms */
.form{display:grid;gap:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{font-family:var(--body);font-size:15px;color:var(--ink);background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:13px 14px;transition:var(--t);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--tint)}
/* visible keyboard focus for interactive elements (mouse clicks unaffected) */
a:focus-visible,.btn:focus-visible,button:focus-visible,.nav-links a:focus-visible,.acc-head:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
.band-dark a:focus-visible,.cta a:focus-visible,.site-footer a:focus-visible{outline-color:var(--ondark)}
.field textarea{resize:vertical;min-height:140px}
@media(max-width:560px){.form .row{grid-template-columns:1fr}}

/* accordion (trainings by field) */
.acc{display:grid;gap:12px;max-width:880px;margin:0 auto}
.acc-item{border:1px solid var(--line);border-radius:14px;background:var(--bg);overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.acc-item.open{border-color:var(--line2);box-shadow:var(--shadow-sm)}
.acc-head{display:flex;align-items:center;gap:16px;width:100%;padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;transition:background var(--t)}
.acc-head:hover{background:var(--paper)}
.acc-head .ic{width:26px;height:26px;flex:none;color:var(--ink);transition:color var(--t)}
.acc-head:hover .ic,.acc-item.open .acc-head .ic{color:var(--accent)}
.acc-head .t{font-family:var(--display);font-weight:600;font-size:18.5px;color:var(--ink);flex:1;line-height:1.2}
.acc-head .ct{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.acc-head .chev{width:18px;height:18px;flex:none;color:var(--muted);transition:transform var(--t),color var(--t)}
.acc-item.open .acc-head .chev{transform:rotate(180deg);color:var(--ink)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .34s cubic-bezier(.4,0,.2,1)}
.acc-item.open .acc-body{grid-template-rows:1fr}
.acc-body>div{overflow:hidden;min-height:0}
.acc-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 28px;padding:2px 24px 22px 66px}
.acc-list li{display:flex;align-items:baseline;gap:11px;font-size:15px;color:var(--ink2);padding:5px 0}
.acc-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;transform:translateY(-2px)}
@media(max-width:620px){.acc-list{grid-template-columns:1fr;padding-left:24px}.acc-head .ct{display:none}}

/* reveal — visible by default; only hidden for animation when JS is present AND
   motion is allowed, so content never disappears on no-JS / hardened browsers */
.reveal{opacity:1;transform:none}
html.js-anim .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}
html.js-anim .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js-anim .reveal{opacity:1;transform:none;transition:none}}

/* responsive */
@media(max-width:920px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:10px 28px 24px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:var(--t);box-shadow:var(--shadow)}
  .nav-links.open{transform:none}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}
  .split{grid-template-columns:1fr;gap:36px}
  .g3,.g4,.stats{grid-template-columns:repeat(2,1fr)}
  .comp{grid-template-columns:repeat(3,1fr)}
  .shots>*{grid-column:span 6 !important}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .g3,.g4,.comp,.stats,.g2{grid-template-columns:1fr}
  .shots>*{grid-column:span 12 !important}
  .foot-top{grid-template-columns:1fr}
  .nav-cta .btn:not(.nav-toggle){display:none}
  .section{padding:64px 0}
}