/* ============================================================
   Controller Independent LLC
   Deep navy + electric blue, technical & precise
   ============================================================ */

:root{
  --navy-900:#0a1628;
  --navy-800:#0c1c33;
  --navy-700:#0d1f3c;
  --navy-600:#123055;
  --line:#1c3457;
  --blue:#1e88ff;
  --blue-bright:#5eb3ff;
  --ink:#e8eef7;
  --muted:#7d8aa3;
  --muted-2:#5b6b86;

  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;

  --maxw:1120px;
  --pad:clamp(1.25rem,5vw,3rem);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--navy-900);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{color:var(--blue-bright);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue)}

::selection{background:var(--blue);color:#fff}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,22,40,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;padding:.9rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.nav__brand{
  font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  color:var(--ink);display:flex;align-items:center;gap:.6rem;letter-spacing:-.01em;
}
.nav__brand:hover{color:var(--ink)}
.nav__logo{width:34px;height:34px;flex:none}
.nav__llc{color:var(--muted);font-weight:400;margin-left:.35rem;font-size:.8em}
.nav__links{display:flex;align-items:center;gap:1.9rem}
.nav__links a{color:var(--muted);font-size:.92rem;font-weight:500}
.nav__links a:hover{color:var(--ink)}
.nav__cta{
  color:var(--ink)!important;border:1px solid var(--line);
  padding:.5rem 1rem;border-radius:6px;transition:border-color .2s,background .2s;
}
.nav__cta:hover{border-color:var(--blue);background:rgba(30,136,255,.08)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:.4rem}
.nav__toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(4rem,10vw,8rem) 0 clamp(3rem,6vw,5rem);
}
.hero__grid{
  position:absolute;inset:0;opacity:.5;
  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 80% 60% at 50% 0%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 20%,transparent 75%);
}
.hero__wave{
  position:absolute;left:0;bottom:0;width:200%;height:180px;
  opacity:.22;pointer-events:none;
}
.wave-path{
  fill:none;stroke:var(--blue);stroke-width:2;
  stroke-dasharray:6 3000;stroke-dashoffset:0;
  animation:trace 6s linear infinite;
  filter:drop-shadow(0 0 6px rgba(30,136,255,.6));
}
@keyframes trace{to{stroke-dashoffset:-3006}}
@media (prefers-reduced-motion:reduce){.wave-path{animation:none;stroke-dasharray:none}}

.hero__inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.eyebrow{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue-bright);margin-bottom:1.4rem;
}
.hero__title{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.05;letter-spacing:-.025em;
  margin-bottom:1.5rem;
}
.hero__title .accent{color:var(--blue-bright)}
.hero__lede{
  max-width:42rem;font-size:clamp(1.05rem,2vw,1.22rem);
  color:var(--muted);margin-bottom:2.2rem;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:3.5rem}

.btn{
  font-family:var(--font-display);font-weight:500;font-size:.98rem;
  padding:.8rem 1.5rem;border-radius:7px;display:inline-block;transition:.2s;
}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-bright);color:#04101f;transform:translateY(-1px)}
.btn--ghost{border:1px solid var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--blue);color:var(--ink);background:rgba(30,136,255,.06)}

/* readout panel */
.readout{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
  background:linear-gradient(180deg,rgba(18,48,85,.28),rgba(13,31,60,.12));
}
.readout__cell{padding:1.3rem 1.4rem;border-right:1px solid var(--line)}
.readout__cell:last-child{border-right:0}
.readout__cell dt{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted-2);margin-bottom:.5rem;
}
.readout__cell dd{display:flex;align-items:baseline;gap:.4rem}
.readout__cell .num{
  font-family:var(--font-mono);font-weight:600;font-size:2rem;
  color:var(--ink);line-height:1;
}
.readout__cell .unit{font-family:var(--font-mono);font-size:.82rem;color:var(--blue-bright)}

/* ---------- SECTION SHELL ---------- */
.section{
  /* full-width band; content still lines up with the 1120px column */
  padding-block:clamp(4rem,8vw,6.5rem);
  padding-inline:max(var(--pad), calc((100% - var(--maxw)) / 2 + var(--pad)));
  border-top:1px solid var(--line);
}
.section--alt{background:var(--navy-800)}
.section__head{margin-bottom:3rem;max-width:44rem}
.section__label{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);display:block;margin-bottom:1rem;
}
.section__head h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.02em;line-height:1.1;
}
.section__intro{color:var(--muted);margin-top:1rem;font-size:1.08rem}
.section__intro em{color:var(--blue-bright);font-style:normal;font-weight:500}

/* ---------- SERVICES (grouped) ---------- */
.svc{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);border-radius:10px;
  background:linear-gradient(180deg,rgba(18,48,85,.18),transparent);
}
.svc__group{padding:1.6rem 1.7rem 1.8rem;border-right:1px solid var(--line)}
.svc__group:last-child{border-right:0}
.svc__num{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  color:var(--blue);display:block;margin-bottom:.5rem;
}
.svc__title{
  font-family:var(--font-display);font-weight:600;font-size:1.15rem;
  letter-spacing:-.01em;color:var(--ink);margin-bottom:1rem;
}
.svc__list{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.svc__list li{
  font-size:.95rem;color:var(--muted);line-height:1.45;
  padding-left:1.1rem;position:relative;
}
.svc__list li::before{
  content:"";position:absolute;left:0;top:.6em;
  width:5px;height:5px;border-radius:1px;background:var(--blue);
}
@media (max-width:860px){
  .svc{grid-template-columns:1fr}
  .svc__group{border-right:0;border-bottom:1px solid var(--line)}
  .svc__group:last-child{border-bottom:0}
}

/* ---------- PROJECT CARDS ---------- */
.pcards{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.1rem;
}
.pcard{
  border:1px solid var(--line);border-radius:10px;padding:1.5rem;
  background:linear-gradient(180deg,rgba(18,48,85,.2),transparent);
  display:flex;flex-direction:column;gap:.75rem;align-items:flex-start;
  transition:border-color .2s,transform .2s;
}
.pcard:hover{border-color:var(--blue);transform:translateY(-3px)}
.pcard__tag{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-bright);background:rgba(30,136,255,.1);
  border:1px solid rgba(30,136,255,.3);border-radius:999px;padding:.25rem .7rem;
}
.pcard__title{
  font-family:var(--font-display);font-weight:600;font-size:1.1rem;
  line-height:1.3;color:var(--ink);letter-spacing:-.01em;
}
.pcard__desc{font-size:.92rem;color:var(--muted);line-height:1.6}
.pcard__specs{list-style:none;display:flex;flex-direction:column;gap:.3rem;width:100%}
.pcard__specs li{
  font-size:.88rem;color:var(--ink);padding-left:1.1rem;position:relative;
}
.pcard__specs li::before{content:"›";position:absolute;left:0;color:var(--blue);font-weight:700}
.pcard .badge{margin-top:auto}

/* ---------- BACKGROUND ---------- */
.bg-grid{
  display:grid;grid-template-columns:1fr;gap:1.1rem;
  grid-template-areas:"feature patents" "feature production";
}
.bg-card{
  border:1px solid var(--line);border-radius:10px;padding:1.8rem;
  background:var(--navy-900);
}
.bg-card--feature{grid-area:feature;background:linear-gradient(160deg,rgba(18,48,85,.35),var(--navy-900))}
.bg-card__tag{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--blue-bright);display:block;margin-bottom:1.1rem;
}
.bg-card--feature ul{list-style:none}
.bg-card__lead{
  color:var(--ink);font-size:1rem;line-height:1.55;margin-bottom:1.4rem;
  max-width:34rem;
}
.expertise{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden;
}
.expertise__item{background:var(--navy-900);padding:1rem 1.1rem}
.expertise__item dt{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--blue-bright);margin-bottom:.35rem;
}
.expertise__item dd{font-size:.9rem;line-height:1.45;color:var(--muted)}
.bg-card__stat{
  font-family:var(--font-mono);font-weight:600;font-size:3.4rem;
  color:var(--ink);line-height:1;display:block;margin-bottom:.4rem;
}
.bg-card p{color:var(--muted);font-size:.98rem}

.badge{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.05em;
  color:var(--blue-bright);border:1px solid var(--line);
  padding:.25rem .55rem;border-radius:4px;font-weight:500;
}

/* ---------- TESTIMONIALS (marquee carousel) ---------- */
.marquee{position:relative}
.marquee__viewport{
  overflow-x:auto;
  scrollbar-width:none;               /* Firefox */
  /* fade the edges so cards slide in/out softly */
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
}
.marquee__viewport::-webkit-scrollbar{display:none} /* Chrome/Safari */
.marquee__track{display:flex;width:max-content}
.marquee__group{display:flex;gap:1.3rem;padding-right:1.3rem}

.tcard{
  flex:0 0 clamp(280px,80vw,380px);
  border:1px solid var(--line);border-radius:12px;padding:1.8rem;
  background:var(--navy-900);display:flex;flex-direction:column;gap:1.2rem;
  color:var(--ink);transition:border-color .2s,transform .2s,background .2s;
}
.tcard:hover{border-color:var(--blue);background:rgba(30,136,255,.05);transform:translateY(-3px)}
.tcard__quote{
  font-size:1rem;line-height:1.6;color:var(--ink);position:relative;padding-top:1.6rem;flex:1;
}
.tcard__quote::before{
  content:"\201C";position:absolute;top:-.4rem;left:-.2rem;
  font-family:var(--font-display);font-size:3rem;color:var(--blue);opacity:.4;line-height:1;
}
.tcard__author{
  font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--ink);
  display:flex;flex-direction:column;gap:.15rem;
}
.tcard__role{font-family:var(--font-mono);font-size:.75rem;font-weight:400;color:var(--muted);letter-spacing:.02em}

.marquee__arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;cursor:pointer;
  background:var(--navy-700);border:1px solid var(--line);color:var(--ink);
  font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s,background .2s;
}
.marquee__arrow:hover{border-color:var(--blue);background:var(--navy-600)}
.marquee__arrow--prev{left:-8px}
.marquee__arrow--next{right:-8px}

.quotes__more{margin-top:1.8rem;color:var(--muted);font-size:.95rem;text-align:center}

@media (max-width:520px){
  .marquee__arrow{display:none}
}


/* ---------- CONTACT ---------- */
.contact__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.contact__card{
  border:1px solid var(--line);border-radius:10px;padding:1.6rem;
  background:var(--navy-900);display:flex;flex-direction:column;gap:.5rem;
  transition:border-color .2s,background .2s,transform .2s;
}
.contact__card:hover{border-color:var(--blue);background:rgba(30,136,255,.06);transform:translateY(-3px)}
.contact__k{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue-bright);
}
.contact__v{font-family:var(--font-display);font-size:1.0rem;color:var(--ink);font-weight:500;word-break:break-word}

/* ---------- FOOTER ---------- */
.footer{border-top:1px solid var(--line);background:var(--navy-800)}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;padding:2rem var(--pad);
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
}
.footer__brand{font-family:var(--font-display);font-weight:600;color:var(--ink)}
.footer__brand span{color:var(--muted);font-weight:400}
.footer__copy{color:var(--muted-2);font-size:.85rem}

/* ---------- FOCUS ---------- */
a:focus-visible,.btn:focus-visible,.nav__toggle:focus-visible{
  outline:2px solid var(--blue-bright);outline-offset:3px;border-radius:4px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .nav__links{
    position:fixed;inset:61px 0 auto 0;flex-direction:column;gap:0;
    background:var(--navy-800);border-bottom:1px solid var(--line);
    padding:.5rem var(--pad) 1.2rem;
    transform:translateY(-120%);transition:transform .3s;align-items:stretch;
  }
  .nav__links.open{transform:translateY(0)}
  .nav__links a{padding:.85rem 0;border-top:1px solid var(--line)}
  .nav__cta{text-align:center;margin-top:.7rem}
  .nav__toggle{display:flex}
  .readout{grid-template-columns:1fr 1fr}
  .readout__cell:nth-child(2){border-right:0}
  .readout__cell:nth-child(1),.readout__cell:nth-child(2){border-bottom:1px solid var(--line)}
  .bg-grid{grid-template-columns:1fr;grid-template-areas:"feature" "patents" "production"}
  .projects{grid-template-columns:1fr}
  .project--named,.project--wide{grid-column:span 1}
  .project--named{flex-direction:column;gap:.8rem}
  .quotes{grid-template-columns:1fr}
  .contact__cards{grid-template-columns:1fr}
}
@media (max-width:520px){
  .readout{grid-template-columns:1fr}
  .readout__cell{border-right:0!important;border-bottom:1px solid var(--line)}
  .readout__cell:last-child{border-bottom:0}
}