/* =========================================================
   ASR Motors — Industrial / Professional Theme
   Palette: carbon fiber, steel, electric cyan
   ========================================================= */

:root{
  --bg-0:#070809;
  --bg-1:#0f1114;
  --bg-2:#171a1f;
  --steel:#2a2f38;
  --steel-2:#3a414d;
  --line:#2d333d;
  --text:#e6e8ec;
  --text-dim:#9aa3b2;
  --muted:#6b7280;
  --accent:#00d4ff;          /* electric cyan */
  --accent-2:#7de8ff;        /* cyan highlight */
  --accent-glow:rgba(0,212,255,.35);
  --danger:#e63946;
  --ok:#22c55e;
  --max:1240px;
  --radius:4px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;width:100%}
html{scroll-behavior:smooth;overflow-x:hidden}

/* Carbon-fiber weave — two offset twill lattices, scaled tight for a premium texture */
body{
  font-family:'Barlow','Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* Short pages (About) should still fill the viewport so the footer always
     lands at the bottom and the page doesn't feel "zoomed-in" vs. longer pages. */
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background-color:#070809;
  background-image:
    /* very subtle cyan wash toward top for depth */
    radial-gradient(ellipse 120% 60% at 50% -10%, rgba(0,212,255,.06), transparent 60%),
    /* twill diagonal 1 (warp) */
    repeating-linear-gradient(
      45deg,
      #0b0d10 0px, #0b0d10 3px,
      #121519 3px, #121519 6px,
      #0b0d10 6px, #0b0d10 9px,
      #1a1e24 9px, #1a1e24 12px
    ),
    /* twill diagonal 2 (weft) — offset, creates weave illusion */
    repeating-linear-gradient(
      -45deg,
      rgba(0,0,0,.35) 0px, rgba(0,0,0,.35) 3px,
      rgba(255,255,255,.015) 3px, rgba(255,255,255,.015) 6px,
      rgba(0,0,0,.4) 6px, rgba(0,0,0,.4) 9px,
      rgba(255,255,255,.025) 9px, rgba(255,255,255,.025) 12px
    ),
    /* base tone */
    linear-gradient(180deg,#0a0c0f 0%,#070809 100%);
  background-attachment: fixed, fixed, fixed, fixed;
  background-blend-mode: normal, multiply, normal, normal;
}
body::before{
  /* faint vignette + subtle sheen so the weave doesn't look flat */
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 20%, rgba(0,212,255,.04), transparent 70%),
    radial-gradient(ellipse 100% 70% at 50% 100%, rgba(0,0,0,.5), transparent 60%);
}
/* Keep real content above the sheen overlay */
.site-header, main, section, footer{position:relative;z-index:1}

/* ----- Typography ----- */
h1,h2,h3,h4{
  font-family:'Barlow Condensed','Oswald',Impact,sans-serif;
  font-weight:700;
  letter-spacing:.02em;
  text-transform:uppercase;
  line-height:1.05;
  margin:0 0 .6em;
  color:#fff;
}
h1{font-size:clamp(2.4rem,5.2vw,4.4rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem)}
h3{font-size:1.25rem;letter-spacing:.04em}
h4{font-size:1rem;letter-spacing:.08em;color:var(--accent)}
p{margin:0 0 1em;color:var(--text-dim)}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-2)}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--accent);
  padding:6px 12px;
  border:1px solid rgba(0,212,255,.35);
  background:rgba(0,212,255,.06);
  margin-bottom:18px;
}
.mono{font-family:var(--mono)}

/* ----- Layout ----- */
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 28px;
}
section{padding:96px 0;position:relative}
.section-head{max-width:760px;margin:0 0 56px}
.section-head p{font-size:1.05rem}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  section{padding:72px 0}
}

/* ----- Industrial background utilities ----- */
.bg-steel{
  background:
    linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 100%);
  position:relative;
}
.bg-steel::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.015) 0 2px, transparent 2px 16px);
  pointer-events:none;
}
.bg-dark{background:var(--bg-1)}
.hatch{
  background-image:repeating-linear-gradient(
    -45deg,
    rgba(0,212,255,.08) 0 2px,
    transparent 2px 14px);
}

/* ----- Header / Nav -----
   Locked at 74px on every page. The .site-header is position:sticky with a
   fixed height, and .nav stretches to fill it via align-self:stretch + flex
   align-items:center, so no variation in inner brand markup can ever change
   the rendered bar height. */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,15,18,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  height:74px;                 /* hard-locked */
  min-height:74px;
  max-height:74px;
  box-sizing:border-box;
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;                 /* inherits the locked 74px */
  line-height:1;               /* kill any whitespace-introduced line-boxes */
}
.brand{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-weight:700;font-family:'Barlow Condensed',sans-serif;
  text-transform:uppercase;letter-spacing:.08em;font-size:1.35rem;
  line-height:1.1;
  height:100%;
}
.brand > span{
  display:flex;flex-direction:column;justify-content:center;
  line-height:1.05;
}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;
  background:var(--accent);
  clip-path:polygon(15% 0,100% 0,85% 100%,0 100%);
  color:#0d0f12;font-family:'Barlow Condensed',sans-serif;font-weight:800;
  font-size:1.1rem;
}
.brand-logo{
  width:56px;height:42px;object-fit:contain;
  display:block;background:transparent;
  filter:drop-shadow(0 0 12px rgba(0,212,255,.25));
  transition:filter .25s;
}
.brand-logo:hover{filter:drop-shadow(0 0 16px rgba(0,212,255,.55))}
.brand-logo.lg{width:72px;height:56px}
.brand small{
  font-family:var(--mono);font-size:.65rem;letter-spacing:.25em;
  color:var(--text-dim);display:block;margin-top:2px;font-weight:400;
  text-transform:uppercase;
}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{
  color:var(--text-dim);padding:10px 16px;font-size:.92rem;
  font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  border-bottom:2px solid transparent;
}
.nav-links a:hover,.nav-links a.active{
  color:#fff;border-bottom-color:var(--accent);
}
.nav-cta{
  margin-left:12px;
  background:var(--accent);color:#0d0f12!important;
  padding:10px 20px!important;font-weight:700!important;
  border:none!important;
}
.nav-cta:hover{background:var(--accent-2);color:#0d0f12!important}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);
  color:#fff;padding:10px;cursor:pointer;
}
@media(max-width:820px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;
    background:var(--bg-1);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:16px 0;
    transform:translateY(-110%);opacity:0;transition:all .25s;
    pointer-events:none;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:14px 28px;width:100%;border-bottom:1px solid var(--line)}
  .nav-cta{margin:8px 28px}
}

/* ----- Buttons ----- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;font-family:'Barlow Condensed',sans-serif;
  font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:.95rem;cursor:pointer;border:none;
  transition:transform .15s,background .2s,color .2s;
}
.btn-primary{background:var(--accent);color:#0d0f12}
.btn-primary:hover{background:var(--accent-2);color:#0d0f12;transform:translateY(-2px)}
.btn-ghost{
  background:transparent;color:#fff;border:1px solid var(--steel-2);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn .arrow{display:inline-block;transition:transform .2s}
.btn:hover .arrow{transform:translateX(4px)}

/* ----- Hero ----- */
.hero{
  padding:120px 0 140px;position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(0,212,255,.18), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(0,212,255,.08), transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,
    rgba(255,255,255,.02) 0 1px, transparent 1px 80px);
}
.hero-grid{
  display:grid;grid-template-columns:1.2fr .9fr;gap:60px;align-items:center;
  position:relative;z-index:2;
}
.hero h1 span.accent{color:var(--accent)}
.hero .lead{font-size:1.15rem;max-width:560px;color:var(--text-dim)}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* Hero visual — 3D motor stage (fully transparent, no framing box) */
.hero-visual{
  position:relative;aspect-ratio:1/1;max-width:560px;margin:0 auto;
  background:transparent;
  overflow:visible;
}
.hero-visual::before{
  content:"● 8-POLE PMSM";
  position:absolute;top:8px;left:12px;z-index:3;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;
  color:var(--accent);opacity:.85;pointer-events:none;
}
#hero-3d{
  position:absolute;inset:0;z-index:2;
  cursor:grab;
}
#hero-3d:active{cursor:grabbing}
#hero-3d canvas{
  display:block;width:100%!important;height:100%!important;
  background:transparent;
}

/* ----- Service cards ----- */
.service-card{
  background:var(--bg-1);border:1px solid var(--line);
  padding:32px 28px;position:relative;overflow:hidden;
  transition:border-color .2s,transform .2s;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:60px;
  background:var(--accent);transition:width .3s;
}
.service-card:hover{border-color:var(--steel-2);transform:translateY(-3px)}
.service-card:hover::before{width:100%}
.service-card .icon{
  width:48px;height:48px;color:var(--accent);margin-bottom:18px;
  display:grid;place-items:center;
}
.service-card .icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.6}
.service-card h3{color:#fff;margin-bottom:10px}
.service-card p{font-size:.95rem;margin-bottom:14px}
.service-card ul{
  list-style:none;padding:0;margin:0;font-size:.88rem;color:var(--text-dim);
}
.service-card ul li{
  padding:6px 0 6px 18px;position:relative;
  border-top:1px dashed var(--line);
}
.service-card ul li:first-child{border-top:1px solid var(--line);margin-top:10px}
.service-card ul li::before{
  content:"▸";position:absolute;left:0;color:var(--accent);
}

/* ----- Stats ----- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
}
.stats .stat{
  padding:36px 24px;border-right:1px solid var(--line);
  background:var(--bg-1);
}
.stats .stat:last-child{border-right:none}
.stats .num{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:3rem;color:var(--accent);line-height:1;
}
.stats .label{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--text-dim);margin-top:8px;
}
@media(max-width:820px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stats .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stats .stat:nth-last-child(-n+2){border-bottom:none}
}

/* ----- CTA band ----- */
.cta-band{
  background:linear-gradient(90deg,var(--accent) 0%,#33e0ff 100%);
  color:#0d0f12;padding:60px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(-45deg,
    rgba(0,0,0,.06) 0 2px, transparent 2px 18px);
}
.cta-band .container{
  display:flex;justify-content:space-between;align-items:center;gap:32px;
  flex-wrap:wrap;position:relative;z-index:1;
}
.cta-band h2{color:#0d0f12;margin:0;font-size:clamp(1.4rem,2.6vw,2rem)}
.cta-band .btn-primary{background:#0d0f12;color:#fff}
.cta-band .btn-primary:hover{background:#000}

/* ----- Detail blocks (services page) ----- */
.detail{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:80px 0;border-top:1px solid var(--line);
}
.detail:first-of-type{border-top:none}
.detail.reverse{direction:rtl}
.detail.reverse > *{direction:ltr}
.detail h2 .num{
  display:inline-block;font-family:var(--mono);font-size:.9rem;
  color:var(--accent);margin-right:12px;vertical-align:super;
}
.detail .panel{
  background:var(--bg-1);border:1px solid var(--line);
  padding:28px;position:relative;
}
.detail .panel h4{margin-top:0}
.detail .panel .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.detail .panel .tag{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.15em;
  text-transform:uppercase;padding:6px 10px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-dim);
}
ul.bullets,.detail ul.bullets{list-style:none;padding:0;margin:18px 0 0}
ul.bullets li,.detail ul.bullets li{
  padding:10px 0 10px 26px;position:relative;border-top:1px solid var(--line);
  color:var(--text);font-size:.95rem;
}
ul.bullets li::before,.detail ul.bullets li::before{
  content:"■";position:absolute;left:0;color:var(--accent);top:10px;
}
ul.bullets li:first-child,.detail ul.bullets li:first-child{border-top:none}

/* Small cyan corner accent used on About's "what we stand for" panel */
.corner-tab{
  position:absolute;top:0;right:0;width:26px;height:26px;pointer-events:none;
  background:linear-gradient(135deg, transparent 50%, var(--accent) 50%);
  opacity:.85;
}
@media(max-width:900px){
  .detail{grid-template-columns:1fr;padding:60px 0}
  .detail.reverse{direction:ltr}
}

/* ----- About values ----- */
.value{
  padding:28px;border:1px solid var(--line);background:var(--bg-1);
  position:relative;
}
.value h3{color:#fff}
.value .big{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:2.8rem;color:var(--accent);line-height:1;display:block;margin-bottom:12px;
}

/* ----- Project cards ----- */
.project{
  background:var(--bg-1);border:1px solid var(--line);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,border-color .2s;
}
.project:hover{transform:translateY(-4px);border-color:var(--accent)}
.project .thumb{
  aspect-ratio:16/10;background:var(--bg-2);position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.project .thumb svg{width:100%;height:100%;display:block}
.project .thumb .badge{
  position:absolute;top:12px;left:12px;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;
  padding:5px 10px;background:rgba(13,15,18,.8);color:var(--accent);
  border:1px solid rgba(0,212,255,.4);text-transform:uppercase;
}
.project .body{padding:22px;flex:1;display:flex;flex-direction:column}
.project h3{margin-bottom:8px}
.project .meta{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  color:var(--text-dim);text-transform:uppercase;margin-bottom:10px;
}
.project .tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.project .tag{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;padding:4px 8px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-dim);
}

/* ----- Contact ----- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info .block{
  padding:22px;border:1px solid var(--line);background:var(--bg-1);
  margin-bottom:18px;
}
.contact-info h4{margin-top:0;margin-bottom:6px}
.contact-info a{color:#fff;word-break:break-all}
.contact-info a:hover{color:var(--accent)}
.form{
  background:var(--bg-1);border:1px solid var(--line);padding:36px;
}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;
  color:var(--text-dim);text-transform:uppercase;margin-bottom:8px;
}
.field input,.field select,.field textarea{
  background:var(--bg-0);border:1px solid var(--line);
  color:#fff;padding:12px 14px;font-family:inherit;font-size:.98rem;
  outline:none;transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);
}
.field textarea{min-height:140px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:600px){.form .row{grid-template-columns:1fr}}
.form-note{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;margin-top:14px;
}

/* ----- Page hero (non-home pages) ----- */
.page-hero{
  padding:120px 0 60px;border-bottom:1px solid var(--line);
  background:
    radial-gradient(800px 400px at 85% -20%, rgba(0,212,255,.12), transparent 60%),
    var(--bg-1);
  position:relative;
}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{margin-bottom:14px}
.page-hero p{max-width:680px;font-size:1.08rem}

/* ----- Footer ----- */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding:60px 0 28px;
  margin-top:auto;          /* Pushed to the bottom by the flex body, so short
                               pages (About, Contact) still fill the viewport
                               instead of leaving a dead band under the footer. */
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.footer-grid h5{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  color:var(--accent);text-transform:uppercase;margin:0 0 16px;
}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--text-dim);font-size:.92rem;text-decoration:none;transition:color .2s}
.footer-grid a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted);
}
@media(max-width:820px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
}

/* ==========================================================
   REVEAL — self-completing animation so content never gets
   stuck invisible even if JS fails to run.
   ========================================================== */
@keyframes reveal-in{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.reveal{animation:reveal-in .7s ease .1s both}
.reveal.in{opacity:1;transform:translateY(0)}

/* ==========================================================
   KEYFRAMES for project-card SVG animations
   ========================================================== */
@keyframes rotor-spin{
  from{transform:rotate(0deg)}
  to{transform:rotate(360deg)}
}
@keyframes counter-spin{
  from{transform:rotate(0deg)}
  to{transform:rotate(-360deg)}
}
@keyframes flux-dash{
  from{stroke-dashoffset:0}
  to{stroke-dashoffset:-60}
}
@keyframes heat-pulse{
  0%,100%{transform:scale(1);opacity:.85}
  50%{transform:scale(1.08);opacity:1}
}
@keyframes trace-draw{
  0%{stroke-dashoffset:1200}
  60%{stroke-dashoffset:0}
  100%{stroke-dashoffset:0}
}
@keyframes spec-scan{
  0%,100%{opacity:.35;transform:scale(1)}
  50%{opacity:1;transform:scale(1.25)}
}
@keyframes fault-blink{
  0%,70%{opacity:0}
  80%{opacity:1}
  100%{opacity:0}
}
@keyframes phase-flow{
  from{stroke-dashoffset:0}
  to{stroke-dashoffset:-60}
}
@keyframes ring-jump{
  0%{transform:translateY(0);opacity:.92}
  18%{transform:translateY(-72px);opacity:1}
  35%{transform:translateY(-96px);opacity:1}
  55%{transform:translateY(-66px);opacity:1}
  75%{transform:translateY(-22px);opacity:.95}
  100%{transform:translateY(0);opacity:.92}
}
@keyframes field-sweep{
  from{transform:rotate(0)}
  to{transform:rotate(360deg)}
}

/* ==========================================================
   ANIMATION HELPER CLASSES — every rotating element uses
   transform-box:fill-box + transform-origin:center so it
   pivots on its own geometric center.
   ==================