/* ============================================
   GEAR BRAIN — Design Tokens
   Palette: dark industrial gray + industrial orange/amber
   Type: IBM Plex Sans — one family, used everywhere (weight carries hierarchy)
   ============================================ */

:root{
  --ink-0:#141518;   /* deepest — header, footer, CTA band, dashboard */
  --ink-1:#1B1C20;   /* base page background */
  --ink-2:#232428;   /* panel sections */
  --ink-3:#2B2C31;   /* card surfaces */
  --ink-4:#34363C;   /* card hover / elevated surfaces */
  --border:#3A3C42;
  --border-soft:#2E3036;

  --text-1:#F4F5F7;  /* headings, primary text on dark */
  --text-2:#A7ABB3;  /* body / secondary text */
  --text-3:#787C85;  /* muted labels, captions */

  --orange:#FF7A18;
  --orange-dark:#E4650A;
  --amber:#FFC845;
  --on-orange:#191A1C; /* text placed on orange/amber fills */

  --font-display:'IBM Plex Sans', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Sans', sans-serif;

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

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{overflow-x:hidden;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-1);
  background:var(--ink-1);
  -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(--text-1);letter-spacing:-0.01em;font-weight:600;}
p{margin:0;}
button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--orange);
  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(--amber);
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:600;
}
.eyebrow::before{
  content:'';
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 0 rgba(255,122,24,.5);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,122,24,.45);}
  70%{box-shadow:0 0 0 8px rgba(255,122,24,0);}
  100%{box-shadow:0 0 0 0 rgba(255,122,24,0);}
}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
@media (max-width:768px){
  .section{padding:64px 0;}
  .section-tight{padding:44px 0;}
}
@media (max-width:480px){
  .section{padding:48px 0;}
  .section-tight{padding:36px 0;}
  .section-head{margin-bottom:36px;}
}

.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(--text-2);
  font-size:17px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

.panel-bg{background:var(--ink-2);}
.navy-bg{background:var(--ink-0);color:var(--text-1);}
.navy-bg h2,.navy-bg h3,.navy-bg h4{color:var(--text-1);}
.navy-bg .slate-text{color:var(--text-2);}

.slate-text{color:var(--text-2);}

.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(--orange);color:var(--on-orange);}
.btn-primary:hover{background:var(--orange-dark);}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.navy-bg .btn-ghost{color:var(--text-1);border-color:rgba(255,255,255,.18);}
.navy-bg .btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.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(20,21,24,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.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(--text-1);
}
.brand .mark{
  height:40px;width:auto;
  display:flex;align-items:center;justify-content:center;
  object-fit:contain;
  flex-shrink:0;
}
.nav-links{
  display:flex;align-items:center;gap:36px;
}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--text-2);
  position:relative;padding:6px 0;
}
.nav-links a:hover,.nav-links a.active{color:var(--text-1);}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange);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(--text-1);margin:5px 0;border-radius:2px;}

@media (max-width:900px){
  .nav-links{
    position:fixed;top:76px;left:0;right:0;bottom:0;
    width:100%;
    z-index:150;
    background:var(--ink-1);
    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-soft);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-cta .btn-ghost{display:none;}
  .nav-toggle{display:block;}
}

@media (max-width:420px){
  .nav-row{height:66px;}
  .nav-links{top:66px;}
  .brand{font-size:16.5px;gap:8px;}
  .brand .mark{height:32px;width:auto;}
  .nav-cta{gap:8px;}
  .nav-cta .btn-primary{padding:10px 16px;font-size:13.5px;}
}

/* ---------- 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(--text-2);
  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(--orange);display:block;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{
  font-size:12.5px;color:var(--text-3);
  text-transform:uppercase;letter-spacing:.06em;
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
}
@media (max-width:480px){
  .hero{padding:44px 0 56px;}
  .hero-stats{gap:22px;margin-top:36px;}
  .hero-stat b{font-size:21px;}
  .hero-ctas .btn{flex:1;justify-content:center;}
}

/* ---------- Hero visual (photo + telemetry chips) ---------- */
.hero-visual{position:relative;}
.hero-visual .photo-frame{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--border);
  aspect-ratio:4/5;
}
.hero-visual .photo-frame img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(1.05) contrast(1.03);
}
.hero-visual .photo-frame::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,21,24,0) 40%, rgba(20,21,24,.75) 100%);
}
.hero-visual .chip{position:absolute;z-index:2;}
.hero-visual .chip-1{top:20px;left:20px;}
.hero-visual .chip-2{top:20px;right:20px;}
.hero-visual .chip-3{bottom:20px;right:20px;}
.hero-visual .chip-4{bottom:20px;left:20px;}
@media (max-width:560px){
  .hero-visual .chip{padding:6px 10px;}
  .hero-visual .chip .chip-value{font-size:13px;}
}

/* ---------- Photo panels (product sections) ---------- */
.photo-panel{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--border);
}
.photo-panel img{
  width:100%;height:100%;object-fit:cover;
  display:block;
  aspect-ratio:4/5;
}
.photo-panel .photo-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 20px;
  background:linear-gradient(180deg, rgba(20,21,24,0), rgba(15,16,18,.88));
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-2);
  letter-spacing:.04em;
}

/* ---------- Telemetry chip ---------- */
.chip{
  font-family:var(--font-mono);
  font-size:12px;
  background:rgba(27,28,32,.85);
  backdrop-filter:blur(6px);
  border:1px solid var(--border);
  border-radius:8px;
  padding:8px 12px;
  box-shadow:0 8px 20px -8px rgba(0,0,0,.5);
  display:flex;flex-direction:column;gap:2px;
  min-width:104px;
}
.chip .chip-label{color:var(--text-3);font-size:10px;letter-spacing:.05em;text-transform:uppercase;}
.chip .chip-value{color:var(--text-1);font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;}
.chip .chip-value .unit{color:var(--text-3);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-soft);
  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(--orange);font-weight:600;font-variant-numeric:tabular-nums;}
.spec .spec-label{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}

/* ---------- Trust strip ---------- */
.trust-strip{
  border-top:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  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(--text-3);
  text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;
}
.trust-industries{
  display:flex;gap:28px;flex-wrap:wrap;
  font-size:14px;color:var(--text-2);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;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr);gap:22px;}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:22px;}
}
@media (max-width:640px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;gap:20px;}
  .grid-4{grid-template-columns:1fr;}
}

.card{
  background:var(--ink-3);
  border:1px solid var(--border-soft);
  border-radius:14px;
  padding:32px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.card:hover{
  border-color:var(--orange);
  background:var(--ink-4);
  transform:translateY(-3px);
  box-shadow:0 20px 40px -24px rgba(0,0,0,.55);
}
.card .card-icon{
  width:44px;height:44px;
  border-radius:10px;
  background:var(--ink-2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
  color:var(--orange);
}
@media (max-width:480px){
  .card{padding:24px;}
}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--text-2);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(--orange);
}

/* ---------- 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(--text-2);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(--ink-2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
  color:var(--orange);font-size:12px;font-weight:700;
}
.feature-item b{font-size:15.5px;color:var(--text-1);}
.feature-item p{color:var(--text-2);font-size:14.5px;margin-top:2px;}

/* ---------- Dashboard mockup ---------- */
.dash{
  background:var(--ink-0);
  border:1px solid var(--border-soft);
  border-radius:16px;
  padding:24px;
  color:var(--text-1);
  position:relative;
  overflow:hidden;
  --dash-bg:none;
}
.dash::before{
  content:'';
  position:absolute;inset:0;
  background-image:var(--dash-bg);
  background-size:cover;
  background-position:center;
  opacity:.16;
  z-index:0;
}
.dash::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(165deg, rgba(20,21,24,.55), rgba(20,21,24,.92));
  z-index:0;
}
.dash > *{position:relative;z-index:1;}
.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:var(--text-2);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(--amber);}
.dash-live .d{width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 2s infinite;}
.dash-graph{
  height:120px;border-radius:10px;background:rgba(255,255,255,.03);
  border:1px solid var(--border-soft);
  position:relative;overflow:hidden;margin-bottom:16px;
}
.dash-alert{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-soft);
  border-left:3px solid var(--orange);
  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:var(--text-2);margin-top:3px;}
.dash-alert .a-tag{
  font-family:var(--font-mono);font-size:10.5px;
  background:rgba(255,122,24,.15);color:var(--orange);
  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,.03);border:1px solid var(--border-soft);border-radius:8px;padding:12px;}
.dash-metric .m-val{font-family:var(--font-mono);font-size:20px;font-weight:600;font-variant-numeric:tabular-nums;}
.dash-metric .m-lab{font-size:10.5px;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}

.dash-disclaimer{
  margin-top:10px;
  font-size:11px;
  color:var(--text-3);
  text-align:center;
  font-style:italic;
}

/* ---------- Process ---------- */
.process{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--border-soft);
  border-left:1px solid var(--border-soft);
}
.process-step{
  padding:28px 26px;
  border-right:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
}
.process-step .p-num{font-family:var(--font-mono);color:var(--orange);font-size:13px;font-weight:600;}
.process-step h4{font-size:16.5px;margin-top:12px;}
.process-step p{color:var(--text-2);font-size:14px;margin-top:8px;}
@media (max-width:1024px){
  .process{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .process{grid-template-columns:1fr;}
}

/* ---------- Logos / Industries band ---------- */
.industry-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border-soft);
  border:1px solid var(--border-soft);
  border-radius:14px;
  overflow:hidden;
}
.industry-cell{
  background:var(--ink-3);padding:30px 24px;
}
.industry-cell h4{font-size:16px;}
.industry-cell p{color:var(--text-2);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(--ink-0);
  border:1px solid var(--border-soft);
  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(--text-1);font-size:clamp(24px,3.2vw,32px);max-width:520px;}
.cta-band p{color:var(--text-2);margin-top:10px;max-width:480px;}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:768px){
  .cta-band{padding:40px 32px;border-radius:16px;}
}
@media (max-width:480px){
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{flex:1;justify-content:center;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-0);
  color:var(--text-2);
  padding:72px 0 32px;
  border-top:1px solid var(--border-soft);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--border-soft);
}
.footer-brand .brand{color:var(--text-1);}
.footer-brand p{margin-top:16px;font-size:14px;max-width:280px;color:var(--text-3);}
.footer-col h4{color:var(--text-1);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:var(--text-2);}
.footer-col a:hover{color:var(--orange);}
.footer-bottom{
  padding-top:28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-3);
}
@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-soft);
}
.page-hero h1{font-size:clamp(30px,4.2vw,46px);margin-top:16px;max-width:720px;}
.page-hero p{margin-top:18px;color:var(--text-2);font-size:17px;max-width:620px;}
.breadcrumb{
  font-family:var(--font-mono);font-size:12px;color:var(--orange);
  text-transform:uppercase;letter-spacing:.06em;font-weight:600;
}

/* ---------- 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) ---------- */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.spec-table{width:100%;border-collapse:collapse;}
@media (max-width:768px){
  .spec-table{min-width:640px;}
}
.spec-table th,.spec-table td{
  text-align:left;padding:14px 16px;border-bottom:1px solid var(--border-soft);font-size:14.5px;
}
.spec-table th{
  font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);
  border-bottom:2px solid var(--orange);
}
.spec-table td:first-child{color:var(--text-1);font-weight:500;width:38%;}
.spec-table td:last-child{font-family:var(--font-mono);font-weight:600;color:var(--amber);font-variant-numeric:tabular-nums;}

/* ---------- 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(--text-1);}
.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(--text-1);
  background:var(--ink-2);
  transition:border-color .15s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--orange);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-soft);}
.info-row:last-child{border-bottom:none;}
.info-row .i-icon{
  width:38px;height:38px;border-radius:9px;background:var(--ink-2);
  display:flex;align-items:center;justify-content:center;color:var(--orange);flex-shrink:0;
}
.info-row b{font-size:15px;display:block;color:var(--text-1);}
.info-row span{font-size:14px;color:var(--text-2);}

/* ---------- Team / value cards ---------- */
.value-card{padding:26px 28px;}

/* ---------- Misc ---------- */
.tag{
  font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  background:var(--ink-2);color:var(--amber);padding:5px 10px;border-radius:6px;
}
.divider{height:1px;background:var(--border-soft);margin:0;}