/* ============================================
   GEAR BRAIN — Design Tokens
   Palette: white / panel / navy ink / cobalt / signal teal
   Type: Space Grotesk (display) · Inter (body) · IBM Plex Mono (data/telemetry)
   ============================================ */

:root{
  --white:#FFFFFF;
  --panel:#F3F6FA;
  --panel-2:#EAEFF6;
  --navy:#0A1B36;
  --navy-2:#122C56;
  --cobalt:#2251FF;
  --cobalt-dark:#173BC7;
  --teal:#0BA5A0;
  --slate:#48566B;
  --slate-light:#8493AA;
  --border:#DFE6EF;
  --border-dark:#22385E;

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

  --container:1200px;
  --radius:10px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img,svg{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(--font-display);margin:0;color:var(--navy);letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;}

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

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

@media (max-width:640px){
  .container{padding:0 20px;}
}

/* ---------- Utility ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--teal);
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:600;
}
.eyebrow::before{
  content:'';
  width:6px;height:6px;border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 0 rgba(11,165,160,.5);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(11,165,160,.45);}
  70%{box-shadow:0 0 0 8px rgba(11,165,160,0);}
  100%{box-shadow:0 0 0 0 rgba(11,165,160,0);}
}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
@media (max-width:768px){
  .section{padding:64px 0;}
  .section-tight{padding:44px 0;}
}

.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,4vw,40px);
  margin-top:14px;
  line-height:1.15;
}
.section-head p{
  margin-top:16px;
  color:var(--slate);
  font-size:17px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

.panel-bg{background:var(--panel);}
.navy-bg{background:var(--navy);color:var(--white);}
.navy-bg h2,.navy-bg h3,.navy-bg h4{color:var(--white);}
.navy-bg .slate-text{color:#AEBCD6;}

.slate-text{color:var(--slate);}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:8px;
  font-weight:600;
  font-size:14.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--cobalt);color:var(--white);}
.btn-primary:hover{background:var(--cobalt-dark);}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--border-dark);}
.btn-ghost:hover{border-color:var(--cobalt);color:var(--cobalt);}
.navy-bg .btn-ghost{color:var(--white);border-color:rgba(255,255,255,.3);}
.navy-bg .btn-ghost:hover{border-color:var(--white);}
.btn-arrow{transition:transform .15s ease;}
.btn:hover .btn-arrow{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-weight:700;font-size:19px;
  color:var(--navy);
}
.brand .mark{
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
}
.nav-links{
  display:flex;align-items:center;gap:36px;
}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--slate);
  position:relative;padding:6px 0;
}
.nav-links a:hover,.nav-links a.active{color:var(--navy);}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--cobalt);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;padding:8px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;}

@media (max-width:900px){
  .nav-links{
    position:fixed;top:76px;left:0;right:0;bottom:0;
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:28px 24px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .25s ease;
    border-top:1px solid var(--border);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-cta .btn-ghost{display:none;}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  padding:76px 0 100px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.08;
  margin-top:18px;
}
.hero .lead{
  margin-top:22px;
  font-size:18px;
  color:var(--slate);
  max-width:480px;
}
.hero-ctas{
  display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;
}
.hero-stats{
  display:flex;gap:36px;margin-top:52px;
  flex-wrap:wrap;
}
.hero-stat b{
  font-family:var(--font-mono);
  font-size:26px;color:var(--navy);display:block;
}
.hero-stat span{
  font-size:12.5px;color:var(--slate-light);
  text-transform:uppercase;letter-spacing:.06em;
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
}

/* ---------- Hero visual (arm schematic + telemetry chips) ---------- */
.hero-visual{position:relative;padding:20px;}
.hero-visual svg{position:relative;z-index:1;}
.hero-visual .chip{position:absolute;z-index:2;}
.hero-visual .chip-1{top:8%;left:0%;}
.hero-visual .chip-2{top:2%;right:2%;}
.hero-visual .chip-3{bottom:10%;right:-2%;}
.hero-visual .chip-4{bottom:4%;left:8%;}
@media (max-width:560px){
  .hero-visual{padding:10px;max-width:380px;margin:0 auto;}
  .hero-visual .chip{position:static;display:inline-flex;margin:6px 6px 0 0;}
}

/* ---------- Telemetry chip ---------- */
.chip{
  font-family:var(--font-mono);
  font-size:12px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:8px;
  padding:8px 12px;
  box-shadow:0 8px 20px -8px rgba(10,27,54,.15);
  display:flex;flex-direction:column;gap:2px;
  min-width:104px;
}
.chip .chip-label{color:var(--slate-light);font-size:10px;letter-spacing:.05em;text-transform:uppercase;}
.chip .chip-value{color:var(--navy);font-size:15px;font-weight:600;}
.chip .chip-value .unit{color:var(--slate-light);font-weight:400;font-size:11px;margin-left:2px;}

/* ---------- Spec row ---------- */
.spec-row{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--border);
  margin-top:22px;
}
.spec{
  flex:1 1 25%;
  padding:14px 16px 0 0;
  font-family:var(--font-mono);
}
.spec .spec-num{font-size:19px;color:var(--navy);font-weight:600;}
.spec .spec-label{font-size:11px;color:var(--slate-light);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}

/* ---------- Trust strip ---------- */
.trust-strip{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:26px 0;
}
.trust-row{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:18px;
}
.trust-row .trust-label{
  font-family:var(--font-mono);font-size:12px;color:var(--slate-light);
  text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;
}
.trust-industries{
  display:flex;gap:28px;flex-wrap:wrap;
  font-size:14px;color:var(--slate);font-weight:500;
}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
}

.card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:14px;
  padding:32px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover{
  border-color:var(--cobalt);
  transform:translateY(-3px);
  box-shadow:0 20px 40px -24px rgba(10,27,54,.28);
}
.card .card-icon{
  width:44px;height:44px;
  border-radius:10px;
  background:var(--panel);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
  color:var(--cobalt);
}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--slate);font-size:15px;}
.card .card-link{
  margin-top:20px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cobalt);
}

/* ---------- Feature split (image/panel + text) ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:40px;}
  .split.reverse .split-visual{order:-1;}
}
.split h2{font-size:clamp(26px,3.4vw,36px);margin-top:14px;line-height:1.18;}
.split .lead{color:var(--slate);margin-top:16px;font-size:16.5px;}

.feature-list{margin-top:28px;display:flex;flex-direction:column;gap:18px;}
.feature-item{display:flex;gap:14px;align-items:flex-start;}
.feature-item .dot{
  width:22px;height:22px;border-radius:6px;background:var(--panel);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
  color:var(--teal);font-size:12px;
}
.feature-item b{font-size:15.5px;}
.feature-item p{color:var(--slate);font-size:14.5px;margin-top:2px;}

/* ---------- Dashboard mockup ---------- */
.dash{
  background:var(--navy);
  border-radius:16px;
  padding:24px;
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.dash-top{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:18px;
}
.dash-title{font-family:var(--font-mono);font-size:12px;color:#AEBCD6;letter-spacing:.05em;text-transform:uppercase;}
.dash-live{display:flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;color:var(--teal);}
.dash-live .d{width:6px;height:6px;border-radius:50%;background:var(--teal);animation:pulse 2s infinite;}
.dash-graph{
  height:120px;border-radius:10px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  position:relative;overflow:hidden;margin-bottom:16px;
}
.dash-alert{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-left:3px solid var(--teal);
  border-radius:8px;
  padding:14px 16px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.dash-alert .a-title{font-size:13.5px;font-weight:600;}
.dash-alert .a-sub{font-family:var(--font-mono);font-size:11px;color:#AEBCD6;margin-top:3px;}
.dash-alert .a-tag{
  font-family:var(--font-mono);font-size:10.5px;
  background:rgba(11,165,160,.15);color:var(--teal);
  padding:4px 8px;border-radius:5px;white-space:nowrap;
}
.dash-metrics{display:flex;gap:14px;margin-top:16px;}
.dash-metric{flex:1;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:12px;}
.dash-metric .m-val{font-family:var(--font-mono);font-size:20px;font-weight:600;}
.dash-metric .m-lab{font-size:10.5px;color:#8FA0BE;text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}

/* ---------- Process ---------- */
.process{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--border);
  border-left:1px solid var(--border);
}
.process-step{
  padding:28px 26px;
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.process-step .p-num{font-family:var(--font-mono);color:var(--cobalt);font-size:13px;}
.process-step h4{font-size:16.5px;margin-top:12px;}
.process-step p{color:var(--slate);font-size:14px;margin-top:8px;}
@media (max-width:900px){
  .process{grid-template-columns:1fr;}
}

/* ---------- Logos / Industries band ---------- */
.industry-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
}
.industry-cell{
  background:var(--white);padding:30px 24px;
}
.industry-cell h4{font-size:16px;}
.industry-cell p{color:var(--slate);font-size:13.5px;margin-top:8px;}
@media (max-width:900px){
  .industry-band{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .industry-band{grid-template-columns:1fr;}
}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:20px;
  background:var(--navy);
  padding:64px;
  display:flex;justify-content:space-between;align-items:center;gap:32px;
  flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band h2{color:var(--white);font-size:clamp(24px,3.2vw,32px);max-width:520px;}
.cta-band p{color:#AEBCD6;margin-top:10px;max-width:480px;}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--navy);
  color:#AEBCD6;
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:var(--white);}
.footer-brand p{margin-top:16px;font-size:14px;max-width:280px;color:#8FA0BE;}
.footer-col h4{color:var(--white);font-size:13.5px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#AEBCD6;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  padding-top:28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:#7488A8;
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding:56px 0 60px;
  border-bottom:1px solid var(--border);
}
.page-hero h1{font-size:clamp(30px,4.2vw,46px);margin-top:16px;max-width:720px;}
.page-hero p{margin-top:18px;color:var(--slate);font-size:17px;max-width:620px;}
.breadcrumb{
  font-family:var(--font-mono);font-size:12px;color:var(--slate-light);
  text-transform:uppercase;letter-spacing:.06em;
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- Table (specs) ---------- */
.spec-table{width:100%;border-collapse:collapse;}
.spec-table th,.spec-table td{
  text-align:left;padding:14px 16px;border-bottom:1px solid var(--border);font-size:14.5px;
}
.spec-table th{
  font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--slate-light);
  border-bottom:2px solid var(--navy);
}
.spec-table td:first-child{color:var(--slate);font-weight:500;width:38%;}
.spec-table td:last-child{font-family:var(--font-mono);font-weight:600;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--navy);}
.field input,.field select,.field textarea{
  font-family:var(--font-body);
  border:1px solid var(--border);
  border-radius:8px;
  padding:12px 14px;
  font-size:14.5px;
  color:var(--navy);
  background:var(--white);
  transition:border-color .15s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--cobalt);outline:none;
}
.field textarea{resize:vertical;min-height:120px;}

/* ---------- Contact info cards ---------- */
.info-row{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--border);}
.info-row:last-child{border-bottom:none;}
.info-row .i-icon{
  width:38px;height:38px;border-radius:9px;background:var(--panel);
  display:flex;align-items:center;justify-content:center;color:var(--cobalt);flex-shrink:0;
}
.info-row b{font-size:15px;display:block;}
.info-row span{font-size:14px;color:var(--slate);}

/* ---------- Team / value cards ---------- */
.value-card{padding:0;}
.value-card .card-icon{background:var(--navy);color:var(--white);}

/* ---------- Misc ---------- */
.tag{
  font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  background:var(--panel);color:var(--slate);padding:5px 10px;border-radius:6px;
}
.divider{height:1px;background:var(--border);margin:0;}