/* =========================================================
   OPTIMUM TECHNOLOGIES — design tokens
   Ink navy base, signal-green accent (the "optimum" reading),
   amber as a warm counter-signal. Space Grotesk for display,
   IBM Plex Sans for body, IBM Plex Mono for data/eyebrows.
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #0B0F14;
  --ink-2:      #121821;
  --paper:      #F6F5F1;
  --paper-dim:  #EAE8E1;
  --signal:     #3DDC97;
  --signal-dim: #1F8F63;
  --amber:      #FFB347;
  --slate:      #8A94A6;
  --line:       rgba(246,245,241,0.12);
  --line-dark:  rgba(11,15,20,0.12);

  --f-display: 'Space Grotesk', sans-serif;
  --f-body:    'IBM Plex Sans', sans-serif;
  --f-mono:    'IBM Plex Mono', monospace;

  --radius: 2px;
  --max: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--f-display);margin:0 0 .5em;letter-spacing:-0.01em;line-height:1.08;}
p{margin:0 0 1em;color:var(--ink);}
.container{max-width:var(--max);margin:0 auto;padding:0 28px;}

.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal-dim);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--signal-dim);
  display:inline-block;
}
section.dark .eyebrow, .dark .eyebrow{color:var(--signal);}
section.dark .eyebrow::before, .dark .eyebrow::before{background:var(--signal);}

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

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:.04em;
  text-transform:uppercase;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--signal);color:var(--ink);}
.btn-primary:hover{background:#54e6ab;}
.btn-outline{border-color:#fff;color:#fff;background:transparent;}
.dark .btn-outline{border-color:var(--line);color:var(--paper);}
.btn-outline:hover{border-color:var(--signal-dim);color:var(--signal-dim);}
.dark .btn-outline:hover{color:var(--signal);border-color:var(--signal);}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,15,20,0.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  font-family:var(--f-display);
  font-weight:700;
  font-size:20px;
  color:var(--paper);
  display:flex;align-items:center;gap:10px;
}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--signal);display:inline-block;}
nav.main-nav{display:flex;align-items:center;gap:34px;}
nav.main-nav a{
  color:var(--paper);
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:.03em;
  opacity:.82;
  position:relative;
}
nav.main-nav a:hover{opacity:1;color:var(--signal);}
nav.main-nav a.active{opacity:1;color:var(--signal);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.menu-toggle{display:none;background:none;border:0;color:var(--paper);font-size:26px;cursor:pointer;}

/* Services dropdown */
.nav-item{position:relative;display:flex;align-items:center;gap:2px;}
.caret-btn{
  background:none;border:0;color:var(--paper);opacity:.82;
  font-size:10px;padding:6px;cursor:pointer;line-height:1;
}
.caret-btn:hover{opacity:1;color:var(--signal);}
.caret{display:inline-block;transition:transform .2s ease;}
.nav-item.open .caret{transform:rotate(180deg);}
.dropdown{
  position:absolute;top:calc(100% + 16px);left:0;
  background:var(--ink-2);border:1px solid var(--line);
  min-width:230px;padding:8px 0;border-radius:var(--radius);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
  z-index:60;
}
.nav-item:hover .dropdown,
.nav-item.open .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{
  display:block;padding:11px 20px;font-size:13px;opacity:.82;
  font-family:var(--f-mono);white-space:nowrap;
}
.dropdown a:hover{opacity:1;color:var(--signal);background:rgba(61,220,151,.07);}

@media (max-width:880px){
  nav.main-nav{
    position:fixed;inset:76px 0 0 0;
    background:var(--ink);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    padding:34px 28px;
    gap:24px;
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform .25s ease;
  }
  nav.main-nav.open{transform:translateX(0);}
  .menu-toggle{display:block;}
  .nav-cta .btn-outline{display:none;}
  .nav-item{flex-direction:column;align-items:flex-start;width:100%;}
  .dropdown{
    position:static;border:0;background:transparent;
    padding:0 0 0 16px;margin-top:14px;
    opacity:1;visibility:visible;transform:none;
    max-height:0;overflow:hidden;transition:max-height .25s ease;
    width:100%;
  }
  .nav-item.open .dropdown{max-height:320px;margin-top:14px;}
  .nav-item:not(.open) .dropdown{margin-top:0;}
  .dropdown a{padding:9px 0;}
}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
  padding:96px 0 120px;
}
.hero::after{
  content:"";
  position:absolute;right:-8%;top:10%;
  width:520px;height:520px;
  background:radial-gradient(circle, rgba(61,220,151,.16), transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero h1{font-size:clamp(40px,5.4vw,68px);color:var(--paper);}
.hero h1 span{color:var(--signal);}
.hero p.lead{font-size:18px;color:var(--slate);max-width:52ch;}
.hero-actions{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap;}

/* Signature: the "optimum dial" gauge */
.dial-card{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
}
.dial-wrap{display:flex;justify-content:center;padding:10px 0 6px;}
.dial-readout{
  display:flex;justify-content:space-between;
  font-family:var(--f-mono);font-size:12px;color:var(--slate);
  border-top:1px solid var(--line);margin-top:18px;padding-top:14px;
}
.dial-readout b{color:var(--paper);font-size:20px;font-family:var(--f-display);display:block;}
.needle{transform-origin:150px 150px;animation:sweep 2.6s cubic-bezier(.2,.9,.25,1) forwards;}
@keyframes sweep{
  0%{transform:rotate(-92deg);}
  100%{transform:rotate(46deg);}
}
@media (prefers-reduced-motion:reduce){.needle{animation:none;transform:rotate(46deg);}}

@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr;}
  .hero{padding:56px 0 80px;}
}

/* ---------- Section scaffolding ---------- */
section{padding:96px 0;}
section.tight{padding:64px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,3.4vw,42px);}
.dark{background:var(--ink);color:var(--paper);}
.dark h2, .dark h3, .dark p{color:var(--paper);}
.dim{background:var(--paper-dim);}

/* ---------- Services grid ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);}
.service-card{
  background:var(--paper);padding:36px 28px;
  transition:background .18s ease;
}
.service-card:hover{background:#fff;}
.service-card .num{font-family:var(--f-mono);font-size:12px;color:var(--slate);}
.service-card h3{font-size:20px;margin-top:14px;}
.service-card p{font-size:14.5px;color:var(--slate);margin-bottom:18px;}
.service-card a{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;color:var(--signal-dim);text-transform:uppercase;}
@media (max-width:880px){.grid-4{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.grid-4{grid-template-columns:1fr;}}

/* ---------- Process track ---------- */
.track{display:flex;flex-direction:column;gap:0;border-left:1px solid var(--line);margin-left:8px;}
.track-step{position:relative;padding:0 0 44px 34px;}
.track-step:last-child{padding-bottom:0;}
.track-step::before{
  content:"";position:absolute;left:-6px;top:2px;
  width:11px;height:11px;border-radius:50%;
  background:var(--ink);border:2px solid var(--signal);
}
.dark .track-step::before{background:var(--signal);border-color:var(--signal);}
.track-step .tag{font-family:var(--f-mono);font-size:12px;color:var(--slate);}
.track-step h3{margin:6px 0 8px;font-size:21px;}
.track-step p{max-width:52ch;color:var(--slate);}

/* ---------- Stats / What we do ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:50px;}
.stat{border-top:1px solid var(--line-dark);padding-top:16px;}
.dark .stat{border-top:1px solid var(--line);}
.stat b{font-family:var(--f-display);font-size:34px;display:block;}
.stat span{font-family:var(--f-mono);font-size:12px;color:var(--slate);text-transform:uppercase;letter-spacing:.05em;}
@media (max-width:760px){.stat-row{grid-template-columns:1fr 1fr;}}

/* ---------- Pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.price-card{
  border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:38px 32px;background:#fff;position:relative;
}
.price-card.popular{border-color:var(--signal-dim);box-shadow:0 0 0 1px var(--signal-dim);}
.price-card .badge{
  position:absolute;top:-13px;right:28px;
  background:var(--signal);color:var(--ink);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;
  padding:5px 12px;text-transform:uppercase;border-radius:var(--radius);
}
.price-card h3{font-family:var(--f-mono);font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);margin-bottom:4px;}
.price-card .amount{font-family:var(--f-display);font-size:44px;margin:6px 0 22px;}
.price-card .amount sup{font-size:16px;top:-18px;}
.price-list{margin:0 0 26px;}
.price-list li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;border-bottom:1px dashed var(--line-dark);
  font-size:14.5px;
}
.price-list li::before{content:"›";color:var(--signal-dim);font-weight:700;}
@media (max-width:760px){.pricing-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line-dark);}
.dark .faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 0;font-family:var(--f-display);font-size:18px;color:inherit;
}
.faq-q .plus{font-family:var(--f-mono);font-size:20px;color:var(--signal-dim);}
.dark .faq-q .plus{color:var(--signal);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding-bottom:22px;color:var(--slate);font-size:15px;max-width:68ch;}
.faq-item.open .faq-a{max-height:300px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);
  padding:70px 0;text-align:center;
}
.cta-band h2{color:var(--paper);font-size:clamp(26px,3.4vw,40px);}
.cta-band p{color:var(--slate);max-width:52ch;margin:0 auto 30px;}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--ink);color:var(--paper);padding-top:70px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--line);}
.footer-grid h4{font-family:var(--f-mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);margin-bottom:16px;}
.footer-grid li{margin-bottom:10px;font-size:14.5px;}
.footer-grid a:hover{color:var(--signal);}
.footer-brand p{color:var(--slate);font-size:14.5px;max-width:36ch;}
.footer-social{display:flex;gap:14px;margin-top:16px;}
.footer-social a{
  width:34px;height:34px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12px;
}
.footer-social a:hover{border-color:var(--signal);color:var(--signal);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 0;font-family:var(--f-mono);font-size:12.5px;color:var(--slate);flex-wrap:wrap;gap:10px;
}
.footer-bottom a:hover{color:var(--signal);}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Page header (inner pages) ---------- */
.page-header{background:var(--ink);color:var(--paper);padding:64px 0 56px;}
.page-header h1{color:var(--paper);font-size:clamp(32px,4.2vw,52px);}
.breadcrumb{font-family:var(--f-mono);font-size:12.5px;color:var(--slate);}
.breadcrumb a:hover{color:var(--signal);}

/* ---------- About page bits ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:880px){.split{grid-template-columns:1fr;}}
.value-list li{
  display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line-dark);
}
.value-list li:last-child{border-bottom:1px solid var(--line-dark);}
.value-list .vnum{font-family:var(--f-mono);color:var(--signal-dim);font-size:13px;padding-top:3px;}

/* ---------- Contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr;}}
.info-card{padding:22px 0;border-top:1px solid var(--line-dark);}
.info-card .k{font-family:var(--f-mono);font-size:12px;text-transform:uppercase;color:var(--slate);letter-spacing:.05em;}
.info-card .v{font-family:var(--f-display);font-size:19px;margin-top:6px;}
.info-card .v a:hover{color:var(--signal-dim);}

form.lead-form{display:flex;flex-direction:column;gap:18px;}
form.lead-form .row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:560px){form.lead-form .row-2{grid-template-columns:1fr;}}
form.lead-form label{
  font-family:var(--f-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--slate);
  display:block;margin-bottom:8px;
}
form.lead-form input, form.lead-form select, form.lead-form textarea{
  width:100%;padding:13px 14px;
  border:1px solid var(--line-dark);border-radius:var(--radius);
  font-family:var(--f-body);font-size:14.5px;background:#fff;color:var(--ink);
}
form.lead-form input:focus, form.lead-form select:focus, form.lead-form textarea:focus{
  outline:none;border-color:var(--signal-dim);
}
.form-note{font-family:var(--f-mono);font-size:12px;color:var(--slate);}
.map-frame{border:1px solid var(--line-dark);height:280px;background:var(--paper-dim);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:13px;color:var(--slate);}
.map-frame iframe{width:100%;height:100%;display:block;}

/* ---------- Team ---------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.team-card{border:1px solid var(--line-dark);padding:22px;border-radius:var(--radius);}
.team-avatar{width:100%;aspect-ratio:1;background:var(--paper-dim);border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);color:var(--slate);margin-bottom:16px;}
.team-card h3{font-size:17px;margin-bottom:2px;}
.team-card span{font-family:var(--f-mono);font-size:12px;color:var(--signal-dim);}
@media (max-width:880px){.team-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.team-grid{grid-template-columns:1fr;}}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}