/* QuestForge - Blueprint. Engineering-drawing site: blue grid sheets,
   white paper bands, redline results, numbered title blocks. */

:root{
  --blue:#0A1A2F;
  --blue-06:rgba(8,20,38,.6);
  --blue-072:rgba(8,20,38,.72);
  --ink:#DCE9F7;
  --muted:#9DB6D1;
  --accent:#7FB4E8;
  --line-on-blue:rgba(127,180,232,.35);
  --line-on-blue-soft:rgba(127,180,232,.25);
  --line-on-blue-faint:rgba(127,180,232,.07);
  --line-on-blue-panel:rgba(127,180,232,.45);
  --orange:#FF6B4A;
  --redline:#CC3F1C;        /* AA-fixed from design's #E8502F for small text */
  --redline-border:#E8502F; /* original - fine for borders/large type */

  --paper:#F5F8FB;
  --white:#FFFFFF;
  --paper-line:rgba(43,108,176,.09);
  --paper-line-soft:rgba(43,108,176,.35);
  --paper-line-panel:rgba(43,108,176,.5);
  --paper-line-dashed:rgba(43,108,176,.45);
  --paper-body:#44607C;
  --paper-body-dark:#12263F;
  --paper-label:#2B6CB0;
  --paper-meta:#5A7085;     /* AA-fixed from design's #7C93AC */
  --footer-meta:#7E97B5;    /* AA-fixed from design's #5F7A99 */

  color-scheme: dark;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--blue);
  color:var(--ink);
  font-family:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(127,180,232,.3)}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,p,ul,figure{margin:0}
img,svg{max-width:100%}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

.mono{
  font-family:"JetBrains Mono",Menlo,monospace;
}

.skip-link{
  position:absolute;left:16px;top:-60px;z-index:100;
  background:var(--orange);color:var(--blue);
  font-family:"JetBrains Mono",Menlo,monospace;
  font-size:12px;font-weight:700;letter-spacing:1.6px;
  padding:12px 18px;transition:top .15s;
}
.skip-link:focus{top:16px}

.wrap{max-width:1340px;margin:0 auto;padding-left:48px;padding-right:48px}

/* ---------- sheet grounds ---------- */
.sheet{
  background-image:
    linear-gradient(var(--line-on-blue-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-blue-faint) 1px, transparent 1px);
  background-size:40px 40px;
}
.band{
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size:40px 40px;
  border-top:1px solid var(--paper-line-soft);
}
.rule{border-top:1px solid var(--line-on-blue)}

/* ---------- header ---------- */
.site-header{border-bottom:1px solid var(--line-on-blue)}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-top:22px;padding-bottom:22px;
}
.wordmark{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:700;letter-spacing:3px;color:#fff;
}
.wordmark-icon{
  flex:none;width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  border:1.3px solid var(--redline-border);
  font-size:12px;font-weight:700;letter-spacing:-.5px;color:#fff;
}
.wordmark-icon .plus{color:var(--redline-border)}
.site-nav{display:flex;gap:34px;align-items:center}
.site-nav a{font-size:11px;letter-spacing:2px;color:var(--muted);padding-bottom:4px;border-bottom:2px solid transparent}
.site-nav a:hover{color:#fff}
.site-nav a[aria-current="page"]{color:#fff;border-bottom-color:var(--orange)}
.btn{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;
  color:var(--blue);background:var(--orange);padding:18px 32px;border:0;
  cursor:pointer;font-family:inherit;
}
.btn:hover{color:var(--blue);background:#ff7f61}
.site-nav .btn{font-size:11px;letter-spacing:2px;padding:12px 20px;color:var(--blue)}
.site-nav .btn:hover{color:var(--blue)}

/* ---------- mobile menu toggle ---------- */
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:34px;height:34px;padding:0;border:1px solid var(--line-on-blue-panel);
  background:transparent;cursor:pointer;flex:none;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;margin:0 auto;transition:transform .15s,opacity .15s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- title block ---------- */
.titleblock{border-bottom:1px solid var(--line-on-blue);background:var(--blue-06)}
.titleblock .wrap{
  display:grid;grid-template-columns:2fr 2fr 1.6fr 1.2fr .8fr 1fr;
  font-size:10px;letter-spacing:1.6px;color:var(--accent);
  padding-left:48px;padding-right:48px;
}
.titleblock span{padding:12px 16px;border-right:1px solid var(--line-on-blue-soft)}
.titleblock span:first-child{padding-left:0}
.titleblock span:last-child{border-right:0;padding-right:0}

/* ---------- hero ---------- */
.hero{padding:88px 0 72px}
.hero .kicker{display:block;font-size:11px;letter-spacing:4px;color:var(--accent)}
.hero h1{margin-top:28px;font-size:76px;font-weight:600;line-height:1.02;letter-spacing:-2px;max-width:980px}
.hero h1 .accent{color:var(--accent)}
.hero-sub{
  margin-top:36px;display:flex;align-items:flex-end;justify-content:space-between;
  gap:48px;flex-wrap:wrap;
}
.hero-sub p{margin:0;max-width:560px;font-size:19px;font-weight:300;line-height:1.6;color:var(--muted);text-wrap:pretty}
.hero-actions{display:flex;align-items:center;gap:28px}
.link-underline{font-size:11px;letter-spacing:2px;color:var(--muted);text-decoration:underline;text-underline-offset:6px}

.hero--split .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;align-items:center}
.hero--split h1{font-size:64px;letter-spacing:-1.8px}
.hero-lede{margin-top:28px;max-width:560px;font-size:19px;font-weight:300;line-height:1.6;color:var(--muted);text-wrap:pretty}
.hero--split .hero-actions{margin-top:36px}
.hero-fig{padding:40px 32px 28px}
.hero-fig svg{display:block;width:100%;height:auto}

/* ---------- section intro ---------- */
.section-intro{max-width:820px;margin-bottom:48px}
.section-intro .kicker{font-size:11px;letter-spacing:4px;color:var(--accent)}
.section-intro h2{margin-top:18px;font-size:44px;font-weight:600;letter-spacing:-1px;line-height:1.1}
.section-intro .lede{margin-top:20px;font-size:18px;font-weight:300;line-height:1.65;color:var(--muted);text-wrap:pretty}
.band .section-intro .kicker{color:var(--paper-label)}
.band .section-intro h2{color:var(--paper-body-dark)}
.band .section-intro .lede{color:var(--paper-body)}

/* ---------- where we fit ---------- */
.fit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.fit-card{padding:40px 30px 32px}
.fit-card h3{font-size:23px;font-weight:600;line-height:1.25;color:var(--paper-body-dark);text-wrap:balance}
.fit-card p{margin-top:16px;font-size:15px;font-weight:300;line-height:1.65;color:var(--paper-body);text-wrap:pretty}

/* ---------- client proof ---------- */
.proof-body{font-size:16px;font-weight:300;line-height:1.7;color:var(--paper-body);text-wrap:pretty}
.proof-body + .proof-body{margin-top:16px}
.proof-client{margin-top:28px;font-size:11px;letter-spacing:2px;color:var(--paper-label)}
.proof-specs .block:first-child{margin-top:0}

.page-hero{padding:72px 0 56px}
.page-hero .kicker{display:block;font-size:11px;letter-spacing:4px;color:var(--accent)}
.page-hero h1{margin-top:24px;font-size:60px;font-weight:600;line-height:1.05;letter-spacing:-1.5px;max-width:980px}
.page-hero h1 .accent{color:var(--accent)}
.page-hero p{margin-top:24px;max-width:660px;font-size:18px;font-weight:300;line-height:1.6;color:var(--muted);text-wrap:pretty}

/* ---------- panels ---------- */
.panel{border:1px solid var(--line-on-blue-panel);position:relative;background:var(--blue-072)}
.panel-paper{border:1px solid var(--paper-line-panel);position:relative;background:var(--white);box-shadow:0 10px 30px rgba(4,15,30,.35)}
.fig{
  position:absolute;top:-8px;left:24px;background:var(--blue);padding:0 10px;
  font-size:10px;letter-spacing:2px;color:var(--accent);
}
.fig-white{
  position:absolute;top:-8px;left:24px;padding:0 10px;font-size:10px;letter-spacing:2px;
}
.fig-white.on-blue{background:var(--blue);color:var(--accent)}
.fig-white.on-white{background:var(--paper);color:var(--paper-label)}

.redline{border:1px solid var(--redline-border);padding:16px 18px}
.redline .tag{font-size:9px;letter-spacing:2px;color:var(--redline)}
.redline p{margin-top:8px;font-size:16px;line-height:1.55;color:var(--paper-body-dark)}

/* flow-line animation */
.bp-flow{stroke-dasharray:6 6;animation:bp-march 1.6s linear infinite}
@keyframes bp-march{to{stroke-dashoffset:-24}}
.dwgtext{font-family:"JetBrains Mono",Menlo,monospace}

/* ---------- section shell ---------- */
.section{padding:72px 0 80px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.section-head h2{font-size:44px;font-weight:600;letter-spacing:-1px;line-height:1.1}
.band .section-head h2{color:var(--paper-body-dark)}

/* ---------- case detail ---------- */

.case-detail{padding:48px 44px}
.case-detail .cols{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.case-detail h2{font-size:36px;font-weight:600;letter-spacing:-.5px;line-height:1.15;color:var(--paper-body-dark)}
.case-detail .block{margin-top:24px}
.case-detail .block .tag{font-size:10px;letter-spacing:2px;color:var(--paper-label)}
.case-detail .block p{margin-top:8px;font-size:15px;font-weight:300;line-height:1.65;color:var(--paper-body);text-wrap:pretty}
.case-detail .redline{margin-top:24px}

/* ---------- specs ---------- */

.spec-panel{padding:44px}
.spec-panel .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;align-items:start}
.spec-panel h2{font-size:32px;font-weight:600;letter-spacing:-.5px;line-height:1.15;color:var(--paper-body-dark)}
.spec-panel p.desc{margin-top:16px;font-size:15px;font-weight:300;line-height:1.65;color:var(--paper-body);text-wrap:pretty}
.spec-panel .tag{font-size:10px;letter-spacing:2px;color:var(--paper-label)}
.spec-panel .tag--best{color:var(--redline)}
.spec-panel ul{margin-top:12px;padding-left:18px;font-size:14px;font-weight:300;line-height:2;color:var(--paper-body)}
.spec-panel .best p{margin-top:12px;font-size:14px;font-weight:300;line-height:1.7;color:var(--paper-body)}

/* ---------- approach: phases ---------- */
.phase-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.phase-card{padding:36px 34px}
.phase-card.run{border-color:var(--redline-border)}
.phase-card h2{margin-top:4px;font-size:26px;font-weight:600;line-height:1.2;color:var(--paper-body-dark)}
.phase-card p.desc{margin-top:14px;font-size:15px;font-weight:300;line-height:1.65;color:var(--paper-body);text-wrap:pretty}
.phase-card .deliverables{margin-top:18px;font-size:10px;letter-spacing:1.6px;color:var(--paper-meta);border-top:1px dashed var(--paper-line-dashed);padding-top:12px;line-height:2}
.phase-card.run .deliverables{color:var(--redline);border-top-color:rgba(204,63,28,.4)}

.phase-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--paper-line-soft)}
.phase-strip .col{border-right:1px solid rgba(43,108,176,.25);padding:28px 26px 8px}
.phase-strip .col:first-child{padding-left:0}
.phase-strip .col:last-child{border-right:0;padding-right:0}
.phase-strip .tag{font-size:11px;font-weight:700;letter-spacing:2.2px;color:var(--paper-label)}
.phase-strip .tag--run{color:var(--redline)}
.phase-strip p{margin-top:12px;font-size:15px;font-weight:300;line-height:1.6;color:var(--paper-body)}
.phase-strip p.run-text{color:var(--paper-body-dark)}
.phase-strip--3{grid-template-columns:repeat(3,minmax(0,1fr))}

.cta-band.big .kicker{margin:0 0 18px;font-size:11px;letter-spacing:4px;color:var(--accent)}

.engagement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.engagement .tag{font-size:11px;font-weight:700;letter-spacing:2px}
.engagement p{margin-top:12px;font-size:15px;font-weight:300;line-height:1.65;color:var(--muted)}

.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 48px}
.faq .q{font-size:11px;font-weight:700;letter-spacing:1.8px;color:var(--paper-body-dark)}
.faq p{margin-top:10px;font-size:15px;font-weight:300;line-height:1.65;color:var(--paper-body)}

/* ---------- closing CTA ---------- */
.cta-band .wrap{padding-top:64px;padding-bottom:72px;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta-band h2{font-size:40px;font-weight:600;letter-spacing:-1px;line-height:1.1}
.cta-band .accent{color:var(--accent)}
.cta-band.big .wrap{padding-top:88px;padding-bottom:96px}
.cta-band.big h2{font-size:52px;letter-spacing:-1.5px;max-width:640px;line-height:1.05}
.cta-band.big p{margin-top:20px;font-size:17px;font-weight:300;color:var(--muted);max-width:520px}

/* ---------- contact ---------- */
.contact-hero{padding:72px 0 72px}
.contact-hero .kicker{display:block;font-size:11px;letter-spacing:4px;color:var(--accent)}
.contact-hero h1{margin-top:24px;font-size:60px;font-weight:600;line-height:1.05;letter-spacing:-1.5px;max-width:900px}
.contact-hero h1 .accent{color:var(--accent)}
.contact-hero p{margin-top:24px;max-width:620px;font-size:18px;font-weight:300;line-height:1.6;color:var(--muted);text-wrap:pretty}

.contact-grid{margin-top:56px;display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}
.contact-form-panel{padding:40px 38px}
.contact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:10px;letter-spacing:1.8px;color:var(--paper-label);margin-bottom:8px}
.field input,.field select,.field textarea{
  height:50px;background:rgba(43,108,176,.08);border:1px solid rgba(43,108,176,.4);
  color:var(--paper-body-dark);font-family:inherit;font-size:15px;padding:0 16px;
}
.field textarea{height:150px;padding:14px 16px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--paper-meta) 50%),linear-gradient(135deg,var(--paper-meta) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 15px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--paper-label);outline-offset:2px}
.form-actions{grid-column:1 / -1;display:flex;align-items:baseline;gap:32px;margin-top:6px;flex-wrap:wrap}
.form-actions .mailto{font-size:11px;letter-spacing:1.6px;color:var(--paper-meta)}
.form-actions .mailto a{color:var(--paper-body);text-decoration:underline;text-underline-offset:4px}
.submit-btn{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;color:var(--blue);background:var(--redline-border);padding:20px 36px;border:0;cursor:pointer;font-family:inherit}
.submit-btn:hover{background:#f0663e}
.submit-btn:disabled{opacity:.6;cursor:wait}

.form-status{padding:34px 32px;display:none}
.form-status.is-visible{display:block}
.form-status .stamp{display:inline-block;font-size:10px;letter-spacing:2px;color:var(--redline);border:1px solid var(--redline);padding:8px 14px;transform:rotate(-2deg)}
.form-status p{margin-top:16px;font-size:15px;line-height:1.6;color:var(--paper-body)}
.form-error{margin-top:16px;font-size:14px;color:var(--redline);display:none}
.form-error.is-visible{display:block}

.side-stack{display:flex;flex-direction:column;gap:24px}
.side-panel{padding:34px 32px}
.step{display:flex;gap:16px;align-items:baseline}
.step + .step{margin-top:20px}
.step .num{font-size:11px;font-weight:700;color:var(--redline)}
.step p{margin:0;font-size:15px;font-weight:300;line-height:1.6;color:var(--paper-body)}
.side-panel ul{margin:0;padding-left:18px;font-size:14px;font-weight:300;line-height:2;color:var(--paper-body)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line-on-blue);background:var(--blue-06)}
.site-footer .wrap{
  display:flex;justify-content:space-between;align-items:baseline;gap:24px;
  padding-top:20px;padding-bottom:36px;font-size:10px;letter-spacing:1.8px;color:var(--footer-meta);
}
.site-footer .fm{color:var(--ink)}
.site-footer .footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.site-footer .footer-nav a{color:var(--footer-meta);font-size:10px;letter-spacing:1.6px}
.site-footer .footer-nav a[aria-current="page"]{color:var(--accent)}

/* =========================================================
   Mobile - from Mobile.dc.html (home check) generalised to
   every sheet: 20px gutters, stacked type scale, 1-col grids,
   the title block gives way to the hamburger menu.
   ========================================================= */
@media (max-width:900px){
  .wrap{padding-left:20px;padding-right:20px}
  .titleblock .wrap{padding-left:20px;padding-right:20px}

  .site-header{position:relative}
  .site-header .wrap{padding-top:18px;padding-bottom:18px}
  .menu-toggle{display:flex}
  .site-nav{
    display:none;position:absolute;top:100%;left:0;right:0;z-index:20;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--blue);border-bottom:1px solid var(--line-on-blue);
    box-shadow:0 12px 24px rgba(0,0,0,.35);
  }
  .site-nav.is-open{display:flex}
  .site-nav a{
    padding:16px 20px;border-bottom:1px solid var(--line-on-blue-soft);
    border-left:2px solid transparent;
  }
  .site-nav a[aria-current="page"]{border-left-color:var(--orange);background:rgba(127,180,232,.06)}
  .site-nav .btn{margin:14px 20px;text-align:center}

  .titleblock{display:none}

  .hero{padding:56px 0 48px}
  .hero h1{font-size:40px;letter-spacing:-1px}
  .hero-sub{margin-top:20px;display:block}
  .hero-sub p{font-size:16px;max-width:none}
  .hero-actions{margin-top:30px;display:block}
  .hero-actions .btn{display:block;text-align:center}
  .hero-actions .link-underline{display:block;margin-top:16px;text-align:center}
  .hero--split .wrap{grid-template-columns:1fr;gap:48px}
  .hero--split h1{font-size:40px;letter-spacing:-1px}
  .hero-lede{margin-top:20px;font-size:16px}
  .hero-fig{padding:32px 14px 18px}
  .hero--split .kicker{letter-spacing:2px}
  .hero-fig text{font-size:14px;letter-spacing:.6px}

  .section-intro{margin-bottom:32px}
  .section-intro h2{font-size:30px}
  .section-intro .lede{font-size:16px}
  .fit-grid{grid-template-columns:1fr;gap:24px}
  .fit-card{padding:32px 22px 26px}

  .page-hero{padding:56px 0 44px}
  .page-hero h1{font-size:38px;letter-spacing:-1px}
  .page-hero p{font-size:16px}

  .contact-hero{padding:56px 0 48px}
  .contact-hero h1{font-size:38px}
  .contact-hero p{font-size:16px}

  .section{padding:44px 0 48px}
  .section-head h2{font-size:30px}

  .case-detail{padding:30px 24px}
  .case-detail .cols{grid-template-columns:1fr;gap:28px}
  .case-detail h2{font-size:26px}

  .spec-panel{padding:30px 24px}
  .spec-panel .cols{grid-template-columns:1fr;gap:26px}
  .spec-panel h2{font-size:26px}

  .phase-grid{grid-template-columns:1fr;gap:14px}
  .phase-card{padding:26px 22px}
  .phase-strip{grid-template-columns:1fr;border-top:0;gap:22px}
  .phase-strip .col{border-right:0;padding:0}

  .engagement-grid{grid-template-columns:1fr;gap:26px}
  .faq-grid{grid-template-columns:1fr;gap:26px}

  .cta-band .wrap{padding-top:44px;padding-bottom:48px;display:block}
  .cta-band h2{font-size:32px}
  .cta-band .btn{display:block;text-align:center;margin-top:24px}
  .cta-band.big .wrap{padding-top:52px;padding-bottom:56px}
  .cta-band.big h2{font-size:32px}

  .contact-grid{margin-top:32px;grid-template-columns:1fr;gap:20px}
  .contact-form-panel{padding:26px 22px}
  .contact-form{grid-template-columns:1fr;gap:18px}
  .form-actions{display:flex;flex-direction:column;align-items:stretch;gap:16px}
  .submit-btn{width:100%;text-align:center}
  .side-panel{padding:24px 20px}

  .site-footer .wrap{flex-direction:column;align-items:flex-start;gap:10px;padding:16px 20px 32px}
  .site-footer .footer-nav{order:2}
}