/* ============================================================
   QuantProc — structure.css
   Mega-menu navigation, rich footer, and pricing layouts.
   Builds on assets/styles.css (reuses its design tokens).
   ============================================================ */

/* ---------- Mega-menu navigation ---------- */
.nav-links{gap:24px}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item > a,
.nav-trigger{
  color:var(--text-on-ink-mute);font-size:15px;font-weight:500;font-family:var(--body);
  background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:5px;
  padding:23px 0;transition:color .2s var(--ease);
}
.nav-item > a:hover,
.nav-trigger:hover,
.nav-item:hover .nav-trigger{color:var(--text-on-ink)}
.nav-trigger svg{transition:transform .25s var(--ease)}
.nav-item:hover .nav-trigger svg{transform:rotate(180deg)}

.mega{
  position:absolute;top:100%;left:0;transform:translateY(8px);
  min-width:520px;background:var(--ink-2);
  border:1px solid rgba(255,255,255,.09);border-radius:16px;
  box-shadow:0 30px 70px -22px rgba(0,0,0,.65);
  padding:16px;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);z-index:60;
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.mega.mega-1{grid-template-columns:1fr;min-width:280px}
/* right-align the narrow menus (rightmost nav items) so they don't overflow the viewport */
.nav-item:last-child .mega,
.nav-item:nth-last-child(2) .mega{left:auto;right:0}
.mega-link{display:flex;gap:12px;padding:12px;border-radius:11px;color:var(--text-on-ink);transition:background .18s var(--ease)}
.mega-link:hover{background:rgba(255,255,255,.05)}
.mi-ic{flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:rgba(75,107,251,.16);display:grid;place-items:center}
.mi-t{font-weight:600;font-size:14.5px;color:var(--text-on-ink)}
.mi-d{font-size:12.5px;color:var(--text-on-ink-mute);margin-top:2px;line-height:1.4}

@media(max-width:920px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:68px 0 auto 0;background:var(--ink);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 0 18px;border-top:1px solid rgba(255,255,255,.08);
    max-height:0;overflow:hidden;transition:max-height .3s var(--ease)
  }
  .nav-links.open{max-height:84vh;overflow:auto}
  .nav-item{flex-direction:column;align-items:stretch;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-item > a,.nav-trigger{padding:14px 24px;width:100%;justify-content:space-between}
  .mega{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;display:none;
    min-width:0;box-shadow:none;border:0;border-radius:0;background:rgba(255,255,255,.02);
    grid-template-columns:1fr;padding:4px 12px 10px;margin:0 12px 8px}
  .nav-item.open .mega{display:grid}
  .nav-item.open .nav-trigger svg{transform:rotate(180deg)}
}

/* ---------- Rich footer ---------- */
.site-footer{background:var(--ink);color:var(--text-on-ink-mute);padding:74px 0 30px;border-top:1px solid rgba(255,255,255,.06)}
.foot-top{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:40px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14px;max-width:290px;line-height:1.65}
.foot-col h4{color:var(--text-on-ink);font-family:var(--body);font-size:13px;font-weight:600;letter-spacing:.03em;margin-bottom:16px}
.foot-col a{display:block;color:var(--text-on-ink-mute);font-size:14px;margin-bottom:11px;transition:color .18s var(--ease)}
.foot-col a:hover{color:var(--text-on-ink)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:54px;padding-top:24px;border-top:1px solid rgba(255,255,255,.07);font-size:13px}
.foot-bottom .mono{color:var(--text-on-ink-mute)}
.foot-social{display:flex;gap:16px}
.foot-social a{color:var(--text-on-ink-mute);transition:color .18s var(--ease)}
.foot-social a:hover{color:var(--text-on-ink)}
@media(max-width:860px){.foot-top{grid-template-columns:1fr 1fr;gap:32px}.foot-brand{grid-column:1/-1}}
@media(max-width:520px){.foot-top{grid-template-columns:1fr}}

/* ---------- Shared section helpers ---------- */
.section{padding:84px 0}
.center-head{text-align:center;max-width:660px;margin:0 auto 46px}
.center-head h2{font-size:clamp(26px,3.4vw,38px)}
.center-head p{color:var(--text-mute);font-size:17px;margin-top:14px}

/* ---------- Pricing ---------- */
.price-hero{background:var(--ink);color:var(--text-on-ink);text-align:center;padding:74px 0 64px;position:relative;overflow:hidden}
.price-hero h1{font-size:clamp(34px,5vw,56px)}
.price-hero p{color:var(--text-on-ink-mute);font-size:18px;max-width:560px;margin:20px auto 0}
.bill-toggle{display:inline-flex;gap:4px;background:rgba(255,255,255,.07);border-radius:999px;padding:5px;margin-top:32px}
.bill-toggle button{border:0;background:none;color:var(--text-on-ink-mute);font-family:var(--body);font-weight:600;font-size:14px;padding:9px 20px;border-radius:999px;cursor:pointer;transition:.2s var(--ease)}
.bill-toggle button.active{background:#fff;color:var(--ink)}
.save-badge{color:var(--mint);font-size:12px;font-weight:600;margin-left:6px}

.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1080px;margin:-46px auto 0;position:relative;z-index:3;padding:0 24px}
.plan{background:#fff;border:1px solid #ECEEF5;border-radius:18px;padding:30px;box-shadow:0 18px 50px -28px rgba(11,14,26,.25);display:flex;flex-direction:column}
.plan.featured{border-color:var(--cobalt);box-shadow:0 26px 64px -24px rgba(75,107,251,.45)}
.plan .pop{display:inline-block;background:var(--cobalt);color:#fff;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:999px;align-self:flex-start;margin-bottom:14px}
.plan h3{font-size:21px}
.plan .pdesc{color:var(--text-mute);font-size:14px;margin-top:6px;min-height:42px}
.plan .price{margin:18px 0 2px;display:flex;align-items:baseline;gap:5px}
.plan .price b{font-family:var(--display);font-weight:800;font-size:42px;letter-spacing:-.03em;line-height:1}
.plan .price span{color:var(--text-mute);font-size:14px}
.plan ul{list-style:none;margin:22px 0;padding:0;display:flex;flex-direction:column;gap:12px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--text-dark);line-height:1.45}
.plan li svg{flex:0 0 auto;margin-top:3px}
.plan .btn{width:100%;justify-content:center;margin-top:auto}
@media(max-width:860px){.plans{grid-template-columns:1fr;max-width:430px}}

/* comparison table */
.compare{max-width:1000px;margin:0 auto;overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;min-width:660px}
.compare th,.compare td{text-align:left;padding:15px 18px;border-bottom:1px solid #ECEEF5;font-size:14.5px}
.compare thead th{font-family:var(--display);font-weight:700;font-size:16px}
.compare thead th.feat{font-family:var(--body);font-weight:600;font-size:13px;color:var(--text-mute)}
.compare tbody th{font-weight:500;color:var(--text-dark)}
.compare td.c{text-align:center}
.compare .yes{color:var(--cobalt);font-weight:700}
.compare .no{color:#C8CCDA}

/* faq */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid #ECEEF5;border-radius:13px;padding:2px 20px;background:#fff;transition:border-color .2s var(--ease)}
.faq details[open]{border-color:#D7DBEA}
.faq summary{list-style:none;cursor:pointer;font-weight:600;font-size:16px;padding:17px 0;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--cobalt);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq p{color:var(--text-mute);font-size:15px;line-height:1.65;padding:0 0 18px;margin:0}

/* cta band */
.cta-band{background:var(--ink);color:var(--text-on-ink);text-align:center;border-radius:22px;padding:54px 30px;max-width:1080px;margin:0 auto}
.cta-band h2{font-size:clamp(24px,3vw,34px)}
.cta-band p{color:var(--text-on-ink-mute);font-size:17px;margin:14px auto 26px;max-width:480px}

/* ============================================================
   Content pages — Contact, About, Careers, Customers, Blog,
   Docs, Privacy, Security, Sign in
   ============================================================ */
/* generic dark sub-page hero */
.page-hero{background:var(--ink);color:var(--text-on-ink);padding:72px 0 60px;position:relative;overflow:hidden}
.page-hero .hero-grid{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:linear-gradient(to bottom,#000 20%,transparent 95%);mask-image:linear-gradient(to bottom,#000 20%,transparent 95%)}
.page-hero .inner{position:relative;z-index:2;max-width:720px}
.page-hero h1{font-size:clamp(34px,4.6vw,54px);margin:14px 0 0}
.page-hero p{color:var(--text-on-ink-mute);font-size:clamp(16px,1.5vw,19px);max-width:620px;margin:18px 0 0}
.page-hero .crumb{font-family:var(--mono);font-size:12px;color:var(--text-on-ink-mute);margin-bottom:8px}
.page-hero .crumb a{color:var(--cobalt-soft)}

/* forms */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.form-card{background:#fff;border:1px solid #ECEEF5;border-radius:18px;padding:30px;box-shadow:0 18px 50px -30px rgba(11,14,26,.22)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--text-dark)}
.field input,.field select,.field textarea{font-family:var(--body);font-size:15px;color:var(--text-dark);background:#F7F8FC;border:1px solid #E2E6F0;border-radius:10px;padding:12px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px rgba(75,107,251,.15);background:#fff}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:12.5px;color:var(--text-mute);margin-top:4px}
.form-ok{display:none;background:rgba(39,211,162,.12);border:1px solid rgba(39,211,162,.4);color:#13a87f;border-radius:12px;padding:14px 16px;font-size:14px;margin-bottom:16px}
.form-ok.show{display:block}
.contact-aside{display:flex;flex-direction:column;gap:16px}
.info-card{border:1px solid #ECEEF5;border-radius:16px;padding:22px;background:#fff}
.info-card h3{font-size:16px;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--text-mute);line-height:1.6}
.info-card a{color:var(--cobalt);font-weight:600}

/* prose for legal / docs */
.prose{max-width:760px;margin:0 auto}
.prose .updated{font-family:var(--mono);font-size:12.5px;color:var(--text-mute);margin-bottom:8px}
.prose h2{font-size:24px;margin:34px 0 12px}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose p{color:var(--text-mute);font-size:15.5px;line-height:1.7;margin-bottom:12px}
.prose ul{margin:10px 0 16px 20px;display:grid;gap:8px}
.prose li{color:var(--text-mute);font-size:15.5px;line-height:1.6}
.prose a{color:var(--cobalt);font-weight:600}

/* simple card grids (blog, customers, careers, team) */
.tri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.duo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.lcard{border:1px solid rgba(11,14,26,.1);border-radius:var(--radius);padding:26px;background:#fff;transition:transform .25s var(--ease),box-shadow .25s var(--ease);display:flex;flex-direction:column}
.lcard:hover{transform:translateY(-4px);box-shadow:0 24px 46px -32px rgba(11,14,26,.4)}
.lcard .tagm2{font-family:var(--mono);font-size:11px;color:var(--cobalt);letter-spacing:.06em;text-transform:uppercase}
.lcard h3{font-size:19px;margin:10px 0 8px}
.lcard p{color:var(--text-mute);font-size:14.5px;line-height:1.55}
.lcard .meta{font-family:var(--mono);font-size:12px;color:var(--text-mute);margin-top:14px}
.lcard .plink{margin-top:auto;padding-top:16px}
.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--cobalt),#8A6CFB);display:grid;place-items:center;color:#fff;font-family:var(--display);font-weight:700;font-size:17px;margin-bottom:14px}
.role{font-family:var(--mono);font-size:12px;color:var(--text-mute);margin-top:2px}
.case-quote{font-family:var(--display);font-weight:600;font-size:17px;line-height:1.4;color:var(--text-dark);margin:6px 0 14px}
.metric{display:flex;gap:22px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.metric .m b{font-family:var(--display);font-size:24px;color:var(--cobalt);display:block;line-height:1}
.metric .m span{font-size:12px;color:var(--text-mute)}

/* auth (sign in) */
.auth-wrap{min-height:64vh;display:grid;place-items:center;padding:60px 24px;background:var(--paper)}
.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid #ECEEF5;border-radius:18px;padding:32px;box-shadow:0 24px 60px -34px rgba(11,14,26,.3)}
.auth-card h1{font-size:24px;text-align:center}
.auth-card .sub{text-align:center;color:var(--text-mute);font-size:14px;margin:8px 0 24px}
.auth-card .btn{width:100%;justify-content:center;margin-top:6px}
.auth-alt{text-align:center;font-size:13.5px;color:var(--text-mute);margin-top:18px}
.auth-alt a{color:var(--cobalt);font-weight:600}

@media(max-width:860px){
  .contact-grid{grid-template-columns:1fr}
  .tri-grid{grid-template-columns:1fr}
  .duo-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

/* SaaS apps catalog + signup app picker */
.app-ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(75,107,251,.12);margin-bottom:14px}
.app-card .app-actions{display:flex;gap:10px;margin-top:auto;padding-top:18px}
.app-card .app-actions .btn{flex:1;justify-content:center;padding:9px 14px;font-size:14px}
.app-pick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 18px}
.app-pick label{display:flex;align-items:center;gap:10px;border:1px solid #E2E6F0;border-radius:10px;padding:11px 13px;cursor:pointer;font-size:14px;font-weight:500;color:var(--text-dark);transition:border-color .2s var(--ease),background .2s var(--ease)}
.app-pick label:hover{border-color:var(--cobalt-soft)}
.app-pick input{accent-color:var(--cobalt);width:16px;height:16px;flex:0 0 auto}
.app-pick label:has(input:checked){border-color:var(--cobalt);background:rgba(75,107,251,.06)}
.auth-card .app-pick{grid-template-columns:1fr}
@media(max-width:560px){.app-pick{grid-template-columns:1fr}}

/* App landing / download pages (mobile-first) */
.applp{background:var(--ink);color:var(--text-on-ink);min-height:calc(100vh - 68px);display:flex;align-items:center;position:relative;overflow:hidden}
.applp .hero-grid{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:linear-gradient(to bottom,#000 18%,transparent 92%);mask-image:linear-gradient(to bottom,#000 18%,transparent 92%)}
.applp-inner{position:relative;z-index:2;max-width:560px;margin:0 auto;padding:52px 24px;text-align:center}
.applp-ic{width:84px;height:84px;border-radius:22px;display:grid;place-items:center;margin:0 auto 22px;box-shadow:0 24px 50px -22px rgba(0,0,0,.7)}
.applp h1{font-size:clamp(30px,7vw,46px);margin-bottom:14px}
.applp .tag{color:var(--text-on-ink-mute);font-size:clamp(16px,4vw,19px);margin:0 auto 22px;max-width:440px}
.applp .coming{display:inline-block;font-family:var(--mono);font-size:11px;color:var(--mint);border:1px solid rgba(39,211,162,.3);border-radius:999px;padding:5px 12px;margin-bottom:22px;letter-spacing:.04em}
.store-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:6px 0 18px}
.store-btn{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.18);border-radius:13px;padding:10px 18px;background:rgba(255,255,255,.04);opacity:.65;cursor:default}
.store-btn b{font-family:var(--display);font-size:15px;font-weight:700;line-height:1.1}
.store-btn small{display:block;font-family:var(--mono);font-size:10px;color:var(--text-on-ink-mute);letter-spacing:.04em}
.applp-feats{list-style:none;max-width:400px;margin:26px auto 0;text-align:left;display:grid;gap:12px}
.applp-feats li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--text-on-ink-mute)}
.applp-feats li svg{flex:0 0 auto;margin-top:2px}

/* In-site app drawer — opens an app on the right while the website stays behind */
.appdrawer-back{position:fixed;inset:0;background:rgba(11,14,26,.32);opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:200}
.appdrawer-back.open{opacity:1;visibility:visible}
.appdrawer{position:fixed;top:0;right:0;height:100%;width:clamp(360px,52vw,760px);max-width:100vw;background:var(--ink);box-shadow:-30px 0 80px -30px rgba(0,0,0,.65);transform:translateX(100%);transition:transform .3s var(--ease);z-index:201;display:flex;flex-direction:column}
.appdrawer.open{transform:translateX(0)}
.appdrawer .adbar{flex:0 0 52px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 8px 0 16px;background:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.08)}
.appdrawer .ad-name{color:var(--text-on-ink);font-family:var(--display);font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.appdrawer .ad-name b{color:var(--cobalt-soft);font-weight:700}
.appdrawer .ad-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.appdrawer .ad-actions a{color:var(--cobalt-soft);font-size:13px;font-weight:600;white-space:nowrap;padding:6px 8px}
.appdrawer .ad-close{background:none;border:0;color:var(--text-on-ink-mute);cursor:pointer;font-size:24px;line-height:1;padding:2px 10px;border-radius:8px}
.appdrawer .ad-close:hover{color:var(--text-on-ink);background:rgba(255,255,255,.06)}
.appdrawer iframe{flex:1 1 auto;width:100%;border:0;background:#fff}
body.adopen{overflow:hidden}
@media(max-width:600px){.appdrawer{width:100vw}}

/* "Solves" callout + use-case tags on product blurbs */
.solves{font-size:14.5px;line-height:1.55;color:#27304d;background:rgba(75,107,251,.06);border-left:3px solid var(--cobalt);padding:11px 14px;border-radius:0 10px 10px 0;margin:0 0 18px;max-width:440px}
.solves b{color:var(--cobalt)}
.usecases{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px;max-width:460px}
.usecases span{font-family:var(--mono);font-size:11.5px;color:var(--text-mute);border:1px solid rgba(11,14,26,.12);border-radius:999px;padding:5px 11px;background:#fff}

/* Previous / Next page navigation */
.page-nav{max-width:var(--maxw);margin:0 auto;padding:26px 24px 60px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(11,14,26,.1)}
.page-nav a{display:flex;flex-direction:column;gap:4px;max-width:48%;color:var(--text-dark);transition:color .2s var(--ease)}
.page-nav a:hover{color:var(--cobalt)}
.page-nav .pn-k{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-mute)}
.page-nav .pn-t{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.1}
.page-nav .next{text-align:right;margin-left:auto;align-items:flex-end}
@media(max-width:560px){.page-nav .pn-t{font-size:14.5px}}