:root{
  --ink:#10263F;          /* drafting blue ground */
  --panel:#0B1D32;        /* deeper panel */
  --line:#2C4C72;         /* blueprint linework */
  --line-faint:#1C3653;   /* grid hairlines */
  --paper:#EAF1F8;        /* drafting white */
  --slate:#9AB0C8;        /* secondary text */
  --orange:#EE722F;       /* Knoxline redline */
  --orange-dim:#C85A20;
  --display:"Big Shoulders", sans-serif;
  --body:"Public Sans", sans-serif;
  --mono:"IBM Plex Mono", monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--orange);color:var(--ink)}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.grid-bg{
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size:56px 56px;
}
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange);
  display:flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange);display:inline-block}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;line-height:.95;letter-spacing:.01em}
h1{font-size:clamp(2.9rem,7vw,5.4rem);font-weight:700}
h2{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:600;margin:.6rem 0 1rem}
h3{font-size:1.35rem;font-weight:600;letter-spacing:.03em}
p.lede{font-size:1.12rem;color:var(--slate);max-width:56ch}

/* Nav */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,29,50,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-faint);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--display);font-weight:700;font-size:1.35rem;text-transform:uppercase;letter-spacing:.04em;text-decoration:none}
.logo span{color:var(--orange)}
.nav-links{display:flex;gap:1.8rem;align-items:center;list-style:none}
.nav-links a{
  text-decoration:none;font-family:var(--mono);font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--slate);
  transition:color .15s;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--paper)}
.btn{
  display:inline-block;font-family:var(--mono);font-size:.8rem;
  letter-spacing:.1em;text-transform:uppercase;text-decoration:none;
  padding:.85rem 1.5rem;border:1px solid var(--orange);
  color:var(--orange);transition:background .15s,color .15s;
}
.btn:hover,.btn:focus-visible{background:var(--orange);color:var(--ink)}
.btn.solid{background:var(--orange);color:var(--ink)}
.btn.solid:hover,.btn.solid:focus-visible{background:var(--orange-dim);border-color:var(--orange-dim)}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.nav .btn{padding:.55rem 1.1rem}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--paper);font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;padding:.5rem .8rem;text-transform:uppercase;cursor:pointer}

/* Hero */
.hero{padding:84px 0 72px;border-bottom:1px solid var(--line-faint);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center}
.hero h1 .accent{color:var(--orange)}
.hero .lede{margin:1.4rem 0 2rem}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap}
.hero-meta{margin-top:2.6rem;display:flex;gap:2.2rem;flex-wrap:wrap}
.hero-meta div{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.hero-meta strong{display:block;color:var(--paper);font-size:.95rem;margin-bottom:.2rem}

/* Schematic */
.schematic{border:1px solid var(--line);background:var(--panel);padding:14px;position:relative}
.schematic .plate{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);
  border-bottom:1px solid var(--line-faint);padding-bottom:10px;margin-bottom:6px;
}
.schematic .plate b{color:var(--orange);font-weight:500}
@keyframes flow{to{stroke-dashoffset:-24}}
.flow-line{stroke-dasharray:6 6;animation:flow 1.6s linear infinite}
/* ===== Motion & photo treatment ===== */

/* Hero entrance (JS-gated via .js on <html>) */
.js .hero .rise{opacity:0;transform:translateY(18px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.js .hero .rise:nth-child(1){animation-delay:.05s}
.js .hero .rise:nth-child(2){animation-delay:.15s}
.js .hero .rise:nth-child(3){animation-delay:.25s}
.js .hero .rise:nth-child(4){animation-delay:.35s}
.js .hero .rise:nth-child(5){animation-delay:.45s}
@keyframes rise{to{opacity:1;transform:none}}

/* Schematic draw-on */
.js .schematic .draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.1s ease forwards}
.js .schematic .draw.d2{animation-delay:.35s}
.js .schematic .draw.d3{animation-delay:.7s}
@keyframes draw{to{stroke-dashoffset:0}}
.js .schematic text{opacity:0;animation:fadein .5s ease forwards;animation-delay:.9s}
@keyframes fadein{to{opacity:1}}

/* Scroll reveals */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* Sheet hover lift */
.sheet{transition:background .15s,transform .2s ease}
.sheet:hover{transform:translateY(-3px)}

/* Marquee strip */
.strip{overflow:hidden}
.strip .track{display:flex;gap:3.5rem;width:max-content;animation:marquee 32s linear infinite}
.strip:hover .track{animation-play-state:paused}
.strip span{white-space:nowrap}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Proof shots */
.shot{border:1px solid var(--line);background:var(--panel);padding:12px}
.shot .plate{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);
  border-bottom:1px solid var(--line-faint);padding-bottom:10px;margin-bottom:12px;
}
.shot .plate b{color:var(--orange);font-weight:500;white-space:nowrap}
.shot img{width:100%;border:1px solid var(--line-faint)}
.shot .note{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-top:10px}
.case .who a{color:inherit;text-decoration:none;border-bottom:1px solid var(--orange)}
.case .who a:hover{color:var(--orange)}

/* Photo plate */
.photo-plate{position:relative;border:1px solid var(--line);background:var(--panel);padding:12px;max-width:340px}
.photo-plate .frame{position:relative;overflow:hidden}
.photo-plate img{width:100%}
.photo-plate .caption{
  display:flex;justify-content:space-between;margin-top:10px;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);
}
.photo-plate .caption b{color:var(--orange);font-weight:500}
.photo-plate .tick{position:absolute;width:14px;height:14px;border-color:var(--orange);border-style:solid;z-index:2}
.photo-plate .tick.tl{top:6px;left:6px;border-width:2px 0 0 2px}
.photo-plate .tick.tr{top:6px;right:6px;border-width:2px 2px 0 0}
.photo-plate .tick.bl{bottom:34px;left:6px;border-width:0 0 2px 2px}
.photo-plate .tick.br{bottom:34px;right:6px;border-width:0 2px 2px 0}
.about-photo-col{display:flex;flex-direction:column;gap:1.6rem}

@media (prefers-reduced-motion: reduce){
  .flow-line{animation:none}
  html{scroll-behavior:auto}
  .js .hero .rise,.js .schematic .draw,.js .schematic text{animation:none;opacity:1;transform:none;stroke-dashoffset:0}
  .js .reveal{opacity:1;transform:none;transition:none}
  .strip .track{animation:none;flex-wrap:wrap;width:auto}
  .sheet:hover{transform:none}
}

/* Sections */
section{padding:84px 0}
.section-head{max-width:640px;margin-bottom:3rem}

/* Client strip */
.strip{border-bottom:1px solid var(--line-faint);padding:22px 0;background:var(--panel)}
.strip span{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate)}
.strip span b{color:var(--paper);font-weight:500}

/* Services — drawing set */
.sheet-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-faint);border:1px solid var(--line-faint)}
.sheet{background:var(--ink);padding:2rem;position:relative;transition:background .15s}
.sheet:hover{background:var(--panel)}
.sheet .code{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;color:var(--orange);text-transform:uppercase}
.sheet h3{margin:.7rem 0 .6rem}
.sheet p{color:var(--slate);font-size:.95rem}
.sheet ul{list-style:none;margin-top:.9rem}
.sheet li{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--slate);padding:.28rem 0;border-top:1px dashed var(--line-faint)}
.sheet li::before{content:"— ";color:var(--orange)}

/* Case studies */
.cases{background:var(--panel);border-top:1px solid var(--line-faint);border-bottom:1px solid var(--line-faint)}
.case{
  display:grid;grid-template-columns:220px 1fr 300px;gap:2.5rem;
  padding:2.2rem 0;border-top:1px solid var(--line-faint);
}
.case:last-of-type{border-bottom:1px solid var(--line-faint)}
.case .who b{font-family:var(--display);font-size:1.3rem;text-transform:uppercase;font-weight:600;display:block;line-height:1.05}
.case .who span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);display:block;margin-top:.5rem}
.case .what{color:var(--slate);font-size:.97rem}
.case .result{border-left:2px solid var(--orange);padding-left:1.1rem}
.case .result .label{font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.case .result p{font-size:.95rem;margin-top:.4rem}

/* Engagement */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.door{border:1px solid var(--line);padding:2.4rem;background:var(--panel);display:flex;flex-direction:column}
.door.featured{border-color:var(--orange)}
.door .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.door h3{margin:.8rem 0 .4rem;font-size:1.7rem}
.door .price{font-family:var(--mono);font-size:.85rem;color:var(--slate);margin-bottom:1rem}
.door p{color:var(--slate);font-size:.96rem}
.door ul{list-style:none;margin:1.2rem 0 1.8rem}
.door li{padding:.4rem 0;border-top:1px dashed var(--line-faint);font-size:.92rem;color:var(--paper)}
.door li::before{content:"+ ";color:var(--orange);font-family:var(--mono)}
.door .btn{margin-top:auto;text-align:center}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.about-grid .facts{border:1px solid var(--line);background:var(--panel);padding:1.8rem}
.about-grid .facts div{padding:.8rem 0;border-top:1px dashed var(--line-faint)}
.about-grid .facts div:first-child{border-top:none;padding-top:0}
.about-grid .facts .k{font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.about-grid .facts .v{font-size:.95rem;margin-top:.15rem}
.about-copy p{color:var(--slate);margin-bottom:1rem}
.about-copy p b{color:var(--paper);font-weight:600}

/* Contact */
.contact{background:var(--panel);border-top:1px solid var(--line-faint)}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.contact .big-mail{
  font-family:var(--display);text-transform:uppercase;font-weight:600;
  font-size:clamp(1.4rem,3.4vw,2.4rem);text-decoration:none;color:var(--orange);
  word-break:break-all;
}
.contact .big-mail:hover{text-decoration:underline}
.contact .lines div{font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;color:var(--slate);padding:.55rem 0;border-top:1px dashed var(--line-faint)}
.contact .lines a{color:var(--paper);text-decoration:none}
.contact .lines a:hover{color:var(--orange)}

/* Footer */
footer{padding:2rem 0;border-top:1px solid var(--line-faint)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer p{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}

@media(max-width:900px){
  .hero-grid,.about-grid,.contact-grid,.doors{grid-template-columns:1fr}
  .sheet-list{grid-template-columns:1fr}
  .case{grid-template-columns:1fr;gap:1rem;padding:1.8rem 0}
  .case .result{border-left:none;border-top:2px solid var(--orange);padding:.9rem 0 0}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:var(--panel);flex-direction:column;padding:1.4rem 24px;gap:1.2rem;
    border-bottom:1px solid var(--line);align-items:flex-start;
  }
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  section{padding:60px 0}
  .hero{padding:56px 0}
}

/* Multi-page additions */
.statband{padding:70px 0;border-bottom:1px solid var(--line-faint)}
.statband .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem}
.stat b{font-family:var(--display);font-size:clamp(2.2rem,4.5vw,3.2rem);font-weight:700;color:var(--orange);display:block;line-height:1}
.stat span{font-family:var(--body);font-size:.92rem;color:var(--slate);display:block;margin-top:.5rem;max-width:32ch}
.page-head{padding:76px 0 8px}
.page-head h1{font-size:clamp(2.4rem,5.5vw,3.8rem)}
.page-head .lede{margin-top:1rem}
.nav-links a.active{color:var(--orange)}
.teaser-cta{margin-top:2rem}
@media(max-width:900px){.statband .wrap{grid-template-columns:1fr;gap:1.6rem}}

/* Horizontal facts band (About) */
.facts-row{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line-faint);border:1px solid var(--line-faint);
  margin-top:3.5rem;
}
.facts-row>div{background:var(--panel);padding:1.4rem 1.5rem}
.facts-row .k{font-family:var(--mono);font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.facts-row .v{font-size:.92rem;margin-top:.35rem;color:var(--paper)}
@media(max-width:900px){.facts-row{grid-template-columns:1fr 1fr}.facts-row>div:last-child{grid-column:1/-1}}

/* Nav dropdown */
.has-drop{position:relative}
.has-drop>a .caret{font-size:.6rem;margin-left:.3rem;display:inline-block}
.drop{
  display:none;position:absolute;top:100%;left:-.6rem;z-index:60;
  background:var(--panel);border:1px solid var(--line);
  min-width:240px;padding:.5rem 0;
}
.drop a{
  display:block;padding:.6rem 1.2rem;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--slate);text-decoration:none;
}
.drop a:hover,.drop a:focus-visible{color:var(--orange);background:var(--ink)}
.has-drop:hover .drop,.has-drop:focus-within .drop{display:block}
@media(max-width:900px){
  .drop{display:block;position:static;border:none;background:none;min-width:0;padding:.3rem 0 .2rem 1.1rem}
  .drop a{padding:.45rem 0}
}