/* ============================================================
   STRATUS — Design System
   Direction A: Quant / Institutional
   Dark near-black + refined emerald · Inter + JetBrains Mono
   ============================================================ */

:root{
  --bg:#070A09; --bg-2:#0B110E; --panel:#0E1512; --panel-2:#111A15;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.13);
  --fg:#EAF0EC; --muted:#8C988F; --dim:#5A675F;
  --accent:#3ECF8E; --accent-2:#28A56E; --accent-deep:#133425; --accent-glow:rgba(62,207,142,.5);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:hidden}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
a{color:inherit;text-decoration:none}
img,svg{display:block}
h1,h2,h3,h4{letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--accent);color:#04140c;padding:10px 16px;border-radius:8px;font-weight:600}
.skip:focus{left:16px}

.idx{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent-2);letter-spacing:.05em}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* grid backdrop */
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 90% 55% at 50% -5%,#000 35%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 90% 55% at 50% -5%,#000 35%,transparent 100%);opacity:.6}

/* ---------------- nav ---------------- */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,border-color .3s}
header.scrolled{backdrop-filter:blur(16px);background:rgba(7,10,9,.82);border-bottom:1px solid var(--line)}
nav.primary{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:0;font-size:17px}
.brand svg{width:24px;height:24px}
.navlinks{display:flex;gap:32px;font-size:14px;color:var(--muted)}
.navlinks a{position:relative;padding:4px 0;transition:color .18s}
.navlinks a:hover{color:var(--fg)}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent);transition:width .22s}
.navlinks a:hover::after{width:100%}
.navlinks a[aria-current="page"]{color:var(--fg)}
.navlinks a[aria-current="page"]::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:10px 17px;border-radius:9px;transition:.18s;cursor:pointer;border:none;font-family:'Inter',sans-serif}
.btn-primary{background:var(--accent);color:#052012;font-weight:600}
.btn-primary:hover{background:#54e0a0;transform:translateY(-1px);box-shadow:0 8px 24px -8px var(--accent-glow)}
.btn-ghost{border:1px solid var(--line-2);color:var(--fg);background:transparent}
.btn-ghost:hover{border-color:var(--accent-2);background:rgba(62,207,142,.06)}
.btn-lg{padding:13px 22px;font-size:15px}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:9px;background:var(--panel);color:var(--fg);align-items:center;justify-content:center;font-size:18px;cursor:pointer}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:55;background:rgba(7,10,9,.97);backdrop-filter:blur(10px);display:none;flex-direction:column;padding:96px 32px 40px;overflow-y:auto}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:22px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--fg)}
.mobile-menu .btn{margin-top:28px;justify-content:center}

/* ---------------- home hero ---------------- */
.hero{position:relative;z-index:1;padding:148px 0 72px}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--panel);padding:6px 13px;border-radius:100px;margin-bottom:28px}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
h1.hero-h{font-size:clamp(40px,6.1vw,80px);line-height:1.01;font-weight:600;max-width:15ch;letter-spacing:-.03em}
h1.hero-h em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:26px;font-size:19px;color:var(--muted);max-width:58ch;line-height:1.62}
.hero-cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------------- inner page hero ---------------- */
.page-hero{position:relative;z-index:1;padding:150px 0 64px;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--dim);margin-bottom:24px;flex-wrap:wrap}
.crumb a{color:var(--dim);transition:color .15s}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line-2)}
.crumb [aria-current="page"]{color:var(--accent-2)}
h1.page-h{font-size:clamp(34px,4.8vw,62px);line-height:1.03;font-weight:600;max-width:18ch;letter-spacing:-.028em}
h1.page-h em{font-style:normal;color:var(--accent)}
.page-lead{margin-top:22px;font-size:18px;color:var(--muted);max-width:62ch;line-height:1.65}

/* ---------------- terminal / dashboard card ---------------- */
.hero-terminal{margin-top:60px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--bg-2));overflow:hidden;box-shadow:0 50px 130px -50px rgba(0,0,0,.9)}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim)}
.term-bar .d{width:11px;height:11px;border-radius:50%;background:#232b26}
.term-body{display:grid;grid-template-columns:1.1fr 1fr}
.term-left{padding:26px 28px;border-right:1px solid var(--line)}
.term-right{padding:26px 28px}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:none}
.stat-row .k{color:var(--dim);font-size:13px}
.stat-row .v{font-family:'JetBrains Mono',monospace;font-size:15px}
.stat-row .v span{color:var(--accent)}
.spark{width:100%;height:118px;margin-top:6px}
.tick{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;margin-top:12px}
.tick b{color:var(--accent)}

/* ---------------- strips & bands ---------------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;position:relative;z-index:1;background:var(--bg)}
.strip .wrap{display:flex;align-items:center;gap:16px 40px;flex-wrap:wrap;justify-content:center}
.strip .lead{color:var(--dim);font-size:11.5px;text-transform:uppercase;letter-spacing:.16em}
.strip b{color:var(--muted);font-size:14px;font-weight:500}
.strip .sep{color:var(--line-2)}

.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg);position:relative;z-index:1}
.metrics{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:52px 32px;border-right:1px solid var(--line)}
.metric:last-child{border-right:none}
.metric .n{font-family:'JetBrains Mono',monospace;font-size:clamp(32px,3.8vw,48px);font-weight:600;letter-spacing:-.02em}
.metric .n b{color:var(--accent);font-weight:600}
.metric .l{color:var(--muted);font-size:13.5px;margin-top:8px}

/* ---------------- sections ---------------- */
section{position:relative;z-index:1}
main{position:relative;z-index:1}
.pad{padding:108px 0}
.pad-sm{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:52px;flex-wrap:wrap}
.sec-title{font-size:clamp(28px,3.7vw,46px);font-weight:600;line-height:1.04;max-width:20ch}
.sec-lead{color:var(--muted);max-width:44ch;font-size:16px;line-height:1.6}

/* ---------------- capability / value cards ---------------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.caps.cols-2{grid-template-columns:repeat(2,1fr)}
.cap{background:var(--bg-2);padding:32px 28px;min-height:246px;display:flex;flex-direction:column;transition:.2s;position:relative}
.cap:hover{background:var(--panel)}
.cap:hover .cap-ico{color:var(--accent);border-color:var(--accent-2);box-shadow:0 0 22px -6px var(--accent-glow)}
.cap-ico{width:44px;height:44px;border:1px solid var(--line-2);border-radius:11px;display:grid;place-items:center;color:var(--muted);margin-bottom:auto;transition:.2s}
.cap-ico svg{width:22px;height:22px}
.cap h3{font-size:19px;margin-top:22px;font-weight:600}
.cap p{color:var(--muted);font-size:14px;margin-top:9px;line-height:1.58}
.cap .idx{position:absolute;top:26px;right:28px}
.cap .more{margin-top:14px;font-size:13.5px;color:var(--accent);font-weight:500}
a.cap{cursor:pointer}

/* ---------------- process steps ---------------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr)}
.step{padding:28px 28px 28px 0;border-top:2px solid var(--line-2);position:relative}
.step::before{content:"";position:absolute;top:-2px;left:0;width:34%;height:2px;background:var(--accent)}
.step .n{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--accent)}
.step h4{font-size:18px;margin-top:14px;font-weight:600}
.step p{color:var(--muted);font-size:13.5px;margin-top:8px;line-height:1.55;padding-right:16px}

/* ---------------- suite modules ---------------- */
.suite{background:linear-gradient(180deg,var(--bg),var(--bg-2));border-top:1px solid var(--line)}
.suite-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mod{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:20px;display:flex;align-items:center;gap:14px;transition:.2s}
.mod:hover{border-color:var(--accent-2);transform:translateY(-3px);background:var(--panel-2)}
.mod .mi{width:38px;height:38px;border-radius:9px;background:rgba(62,207,142,.1);color:var(--accent);display:grid;place-items:center;flex-shrink:0;font-family:'JetBrains Mono',monospace;font-size:16px}
.mod b{font-size:15px;font-weight:600;display:block}
.mod small{color:var(--dim);font-size:12.5px}

/* module deep-dive card (suite page) */
.mod-card{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:30px;transition:.2s;display:flex;flex-direction:column}
.mod-card:hover{border-color:var(--accent-2);background:var(--panel-2)}
.mod-card .mi{width:42px;height:42px;border-radius:11px;background:rgba(62,207,142,.1);color:var(--accent);display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-size:18px;margin-bottom:18px}
.mod-card h3{font-size:19px;font-weight:600}
.mod-card p{color:var(--muted);font-size:14px;margin-top:8px;line-height:1.55}
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mod-grid.cols-2{grid-template-columns:repeat(2,1fr);gap:20px}
.mod-grid.cols-2 .mod-card{padding:36px 38px}

/* ---------------- approach ---------------- */
.appr{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.appr .item{border-top:1px solid var(--line-2);padding-top:22px}
.appr h4{font-size:20px;display:flex;align-items:center;gap:10px;font-weight:600}
.appr p{color:var(--muted);margin-top:12px;font-size:15px;line-height:1.62}

/* ---------------- small info cards ---------------- */
.sec-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sc{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:22px}
.sc .si{color:var(--accent);margin-bottom:12px}
.sc b{font-size:14.5px;display:block}
.sc small{color:var(--muted);font-size:13px;line-height:1.5;display:block;margin-top:6px}

/* ---------------- clients ---------------- */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.client{border:1px solid var(--line);background:var(--panel);border-radius:12px;min-height:84px;display:grid;place-items:center;color:var(--muted);font-weight:600;font-size:14px;text-align:center;padding:10px;transition:.2s}
.client:hover{color:var(--fg);border-color:var(--accent-2);transform:translateY(-2px)}
.client-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:28px;transition:.2s;display:flex;flex-direction:column;gap:10px}
.client-card:hover{border-color:var(--accent-2);background:var(--panel-2);transform:translateY(-3px)}
.client-card b{font-size:17px;font-weight:600}
.client-card small{color:var(--dim);font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.client-card p{color:var(--muted);font-size:14px;line-height:1.55}
.client-card .ext{margin-top:auto;padding-top:10px;font-size:13px;color:var(--accent);font-weight:500}

/* ---------------- feature split rows ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.split:first-of-type{border-top:none}
.split h3{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.15}
.split p{color:var(--muted);margin-top:14px;font-size:15.5px;line-height:1.65}
.split .visual{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--bg-2));min-height:260px;padding:26px;overflow:hidden}

/* check list — items flow as continuous text (no flex on the li: flex would
   split the <b> term and its description into separate side-by-side columns
   and produce ragged wrapping) */
.check-list{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:26px;color:var(--muted);font-size:14.5px;line-height:1.6}
.check-list li::before{content:"✓";position:absolute;left:0;top:1px;color:var(--accent);font-weight:700;font-family:'JetBrains Mono',monospace}
.check-list li b{color:var(--fg);font-weight:600}

/* ---------------- prose (legal / articles) ---------------- */
.prose{max-width:760px;color:var(--muted);font-size:15.5px;line-height:1.75}
.prose h2{color:var(--fg);font-size:24px;margin:44px 0 14px;font-weight:600}
.prose h3{color:var(--fg);font-size:18px;margin:32px 0 10px;font-weight:600}
.prose p{margin:14px 0}
.prose ul,.prose ol{margin:14px 0 14px 22px}
.prose li{margin:7px 0}
.prose a{color:var(--accent);border-bottom:1px solid rgba(62,207,142,.3)}
.prose a:hover{border-bottom-color:var(--accent)}
.prose strong{color:var(--fg)}
.prose blockquote{border-left:2px solid var(--accent);padding:6px 0 6px 20px;margin:20px 0;color:var(--fg);font-size:16.5px}

/* ---------------- articles / insights ---------------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-card{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:30px;display:flex;flex-direction:column;min-height:280px;transition:.2s}
.article-card:hover{border-color:var(--accent-2);background:var(--panel-2)}
.article-card .cat{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2)}
.article-card h3{font-size:20px;font-weight:600;margin-top:14px;line-height:1.25}
.article-card p{color:var(--muted);font-size:14px;margin-top:10px;line-height:1.6}
.article-card .meta{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--dim);display:flex;justify-content:space-between;align-items:center}
.pill{display:inline-flex;align-items:center;font-size:11px;font-family:'JetBrains Mono',monospace;letter-spacing:.06em;color:var(--accent);border:1px solid rgba(62,207,142,.35);background:rgba(62,207,142,.07);padding:3px 10px;border-radius:100px}

/* ---------------- careers ---------------- */
.role-list{border-top:1px solid var(--line)}
.role{display:grid;grid-template-columns:1.4fr 1fr 1fr auto;gap:20px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line);transition:.15s}
.role:hover{background:var(--bg-2)}
.role h3{font-size:18px;font-weight:600}
.role .dept,.role .loc{color:var(--muted);font-size:14px}
.role .dept{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--accent-2)}

/* ---------------- timeline ---------------- */
.timeline{position:relative;padding-left:34px;display:flex;flex-direction:column;gap:38px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:var(--line-2)}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-31px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}
.tl-item .y{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--accent)}
.tl-item h4{font-size:18px;font-weight:600;margin-top:6px}
.tl-item p{color:var(--muted);font-size:14.5px;margin-top:6px;line-height:1.6;max-width:60ch}

/* ---------------- forms ---------------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:13px;font-weight:500;color:var(--fg);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line-2);border-radius:10px;color:var(--fg);font-family:'Inter',sans-serif;font-size:14.5px;padding:12px 14px;transition:border-color .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent-2)}
.field textarea{min-height:140px;resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238C988F' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field .hint{font-size:12px;color:var(--dim);margin-top:6px}

.info-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:28px}
.info-card h3{font-size:16px;font-weight:600;margin-bottom:16px}
.info-card .row{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);align-items:baseline}
.info-card .row:last-child{border-bottom:none}
.info-card .row b{color:var(--fg);font-weight:500;min-width:110px;flex-shrink:0}
.info-card a{color:var(--accent)}

/* ---------------- cta ---------------- */
.cta{text-align:center;padding:120px 0;position:relative;z-index:1}
.cta h2{font-size:clamp(32px,4.6vw,56px);font-weight:600;line-height:1.04;max-width:18ch;margin:0 auto}
.cta p{color:var(--muted);margin:22px auto 0;max-width:48ch;font-size:17px}
.cta .hero-cta{justify-content:center;margin-top:34px}

/* ---------------- footer ---------------- */
footer{border-top:1px solid var(--line);padding:64px 0 40px;background:var(--bg-2);position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:36px}
.foot-grid .brand{font-size:19px;margin-bottom:16px}
.foot-about{color:var(--muted);font-size:14px;max-width:32ch;line-height:1.6}
.foot-motto{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent-2);margin-top:16px}
.foot-grid h5{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--dim);margin-bottom:16px}
.foot-grid a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .15s}
.foot-grid a:hover{color:var(--fg)}
.foot-legal{margin-top:52px;padding-top:26px;border-top:1px solid var(--line);color:var(--dim);font-size:12.5px;line-height:1.7}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:18px;color:var(--dim);font-size:13px;flex-wrap:wrap;gap:12px}
.foot-bottom .links{display:flex;gap:22px}
.foot-bottom a:hover{color:var(--fg)}
.foot-bottom .mono{color:var(--muted)}

/* ---------------- responsive ---------------- */
@media(max-width:920px){
  .term-body,.caps,.caps.cols-2,.proc,.suite-grid,.mod-grid,.mod-grid.cols-2,.metrics,.appr,.sec-strip,.foot-grid,.split,.article-grid,.form-grid{grid-template-columns:1fr}
  .mod-grid.cols-2 .mod-card{padding:30px}
  .clients{grid-template-columns:repeat(2,1fr)}
  .role{grid-template-columns:1fr;gap:8px}
  .term-left{border-right:none;border-bottom:1px solid var(--line)}
  .metric{border-right:none;border-bottom:1px solid var(--line)}
  .step{padding-right:0}
  .split{gap:28px;padding:40px 0}
  .navlinks,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .wrap{padding:0 20px}
  .clients{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding-top:132px}
  .page-hero{padding-top:132px}
}