/* ============================================================
   MINDMOTION ROBOTICS — Vision Inspection Automation
   Aesthetic: precision-instrument dark UI, cyan scan accents
   ============================================================ */

:root{
  --bg:        #f4f6f8;
  --bg-2:      #eef1f4;
  --panel:     #ffffff;
  --line:      #d9dee4;
  --ink:       #14181d;
  --ink-soft:  #4a5560;
  --ink-dim:   #8a95a0;
  --cyan:      #0bb8a6;   /* signature scan accent */
  --cyan-deep: #0891a3;
  --on-accent: #04201d;   /* text on mint buttons */
  --amber:     #ffcb45;   /* inspection "pass" green-amber pop, used sparingly */
  --radius:    14px;
  --maxw:      1240px;
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Archivo',system-ui,-apple-system,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Sora',sans-serif;letter-spacing:-0.02em;line-height:1.08}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---- ambient background ---- */
.grid-bg{
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(circle at 20% 0%, rgba(47,227,208,.10), transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(15,185,201,.08), transparent 50%),
    linear-gradient(var(--bg-2),var(--bg));
}
.grid-bg::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,150,170,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,150,170,.05) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 40%,transparent 100%);
}
.scanline{
  position:fixed;left:0;right:0;height:2px;z-index:-1;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.35;filter:blur(.5px);
  animation:scan 7s linear infinite;
}
@keyframes scan{0%{top:-2%}100%{top:102%}}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:24px;
  padding:18px clamp(18px,4vw,46px);
  transition:background .3s,border-color .3s,padding .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(244,246,248,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center}
.brand-logo{height:30px;width:auto;opacity:.96}
.top-nav{display:flex;gap:30px;margin-left:auto;font-size:.92rem;color:var(--ink-soft)}
.top-nav a{position:relative;padding:4px 0;transition:color .2s}
.top-nav a:hover{color:var(--ink)}
.top-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--cyan);transition:width .25s;
}
.top-nav a:hover::after{width:100%}

.contact-btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'Archivo',sans-serif;font-size:.92rem;font-weight:600;
  color:var(--on-accent);background:var(--cyan);
  border:none;border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s;
  box-shadow:0 0 0 0 rgba(47,227,208,.4);
}
.top-nav + .contact-btn{margin-left:0}
.contact-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px -6px rgba(47,227,208,.55)}
.contact-btn .dot{width:7px;height:7px;border-radius:50%;background:var(--on-accent);
  box-shadow:0 0 0 3px rgba(10,13,18,.25);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.contact-btn.big{font-size:1.02rem;padding:15px 30px}

/* language switch */
.lang-switch{
  font-family:'Space Mono',monospace;font-size:.82rem;font-weight:700;
  letter-spacing:.06em;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:999px;
  padding:9px 14px;transition:color .2s,border-color .2s;
}
.lang-switch:hover{color:var(--cyan);border-color:rgba(47,227,208,.5)}

/* ============ HERO ============ */
main{position:relative;z-index:1}
.hero{
  max-width:var(--maxw);margin:0 auto;
  padding:190px clamp(18px,4vw,46px) 90px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Space Mono',monospace;font-size:.74rem;letter-spacing:.18em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:26px;
}
.hero-eyebrow .tick{width:26px;height:1px;background:var(--cyan);display:inline-block}
.hero-title{
  font-size:clamp(2.6rem,6.6vw,5.1rem);font-weight:800;
  margin-bottom:28px;
}
.hero-title .accent{
  color:transparent;background:linear-gradient(100deg,var(--cyan),var(--cyan-deep));
  -webkit-background-clip:text;background-clip:text;
}
.hero-sub{
  max-width:620px;font-size:clamp(1rem,1.6vw,1.18rem);
  color:var(--ink-soft);margin-bottom:48px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:42px}

/* hero vision one-liner */
.hero-vision{
  margin:-28px 0 48px;
  font-family:'Sora',sans-serif;font-size:clamp(1rem,1.7vw,1.22rem);
  font-weight:500;color:var(--ink);
  padding-left:18px;border-left:2px solid var(--cyan);
  max-width:560px;
}

/* dedicated vision section */
.vision{
  max-width:var(--maxw);margin:0 auto;
  padding:96px clamp(18px,4vw,46px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;
}
.vision::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:100%;
  background:radial-gradient(circle at 12% 50%,rgba(47,227,208,.07),transparent 55%);
  pointer-events:none;
}
.vision .eyebrow{position:relative}
.vision-lead{
  position:relative;
  font-family:'Sora',sans-serif;font-weight:700;
  font-size:clamp(1.9rem,4.4vw,3.4rem);line-height:1.12;
  letter-spacing:-0.02em;margin:18px 0 24px;max-width:20ch;
}
.vision-lead .accent{
  color:transparent;background:linear-gradient(100deg,var(--cyan),var(--cyan-deep));
  -webkit-background-clip:text;background-clip:text;
  display:inline-block;max-width:none;
}
.vision-body{
  position:relative;
  max-width:600px;font-size:clamp(1rem,1.5vw,1.12rem);color:var(--ink-soft);
}
.stat b{
  display:block;font-family:'Sora',sans-serif;font-size:1.9rem;font-weight:700;
  color:var(--ink);
}
.stat span{font-family:'Space Mono',monospace;font-size:.78rem;color:var(--ink-dim);letter-spacing:.04em}

/* ============ SECTION SHELL ============ */
.systems,.capabilities,.process,.builds{
  max-width:var(--maxw);margin:0 auto;
  padding:78px clamp(18px,4vw,46px);
}
.section-head{margin-bottom:48px;max-width:680px}
.eyebrow{
  font-family:'Space Mono',monospace;font-size:.74rem;letter-spacing:.16em;
  color:var(--cyan);text-transform:uppercase;
}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700;margin:14px 0 10px}
.section-head p{color:var(--ink-soft)}

/* ============ VIDEO GRID ============ */
.video-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;
}
.video-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  cursor:pointer;background:var(--panel);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.video-card:hover,.video-card:focus-visible{
  transform:translateY(-4px);
  border-color:rgba(47,227,208,.55);
  box-shadow:0 24px 60px -24px rgba(47,227,208,.4);
  outline:none;
}
.video-card video{width:100%;height:100%;object-fit:cover;display:block}
.vc-overlay{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;
  background:linear-gradient(transparent 30%,rgba(8,11,15,.55) 62%,rgba(8,11,15,.92));
}
.vc-tag{
  align-self:flex-start;
  font-family:'Space Mono',monospace;font-size:.68rem;letter-spacing:.1em;
  color:var(--cyan);background:rgba(47,227,208,.12);
  border:1px solid rgba(47,227,208,.3);border-radius:6px;
  padding:5px 10px;margin-bottom:auto;
}
.vc-meta h3{font-size:1.32rem;margin-bottom:6px;color:#fff}
.vc-meta p{font-size:.92rem;color:rgba(255,255,255,.82);max-width:90%}
.vc-expand{
  position:absolute;top:24px;right:24px;
  font-family:'Space Mono',monospace;font-size:.78rem;
  background:rgba(255,255,255,.88);border:1px solid rgba(0,0,0,.08);color:#14181d;
  padding:7px 12px;border-radius:8px;backdrop-filter:blur(6px);
  opacity:0;transform:translateY(-4px);transition:.25s;
}
.video-card:hover .vc-expand,.video-card:focus-visible .vc-expand{opacity:1;transform:none}

/* ============ INSPECTION SEQUENCE ============ */
.sequence{overflow:hidden}
.seq-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:54px;align-items:center;
}
.seq-copy .eyebrow{display:block;margin-bottom:14px}
.seq-copy h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700;margin:0 0 16px;letter-spacing:-0.01em}
.seq-copy>p{color:var(--ink-soft);max-width:46ch;margin-bottom:30px;line-height:1.6}
.seq-steps{list-style:none;display:grid;gap:18px;margin:0 0 8px;padding:0}
.seq-steps li{
  position:relative;padding-left:46px;color:var(--ink-soft);line-height:1.5;
}
.seq-steps li b{display:block;color:var(--ink);font-weight:600;margin-bottom:2px}
.seq-steps li::before{
  content:attr(data-n);position:absolute;left:0;top:0;
  width:30px;height:30px;display:grid;place-items:center;
  font-family:'Space Mono',monospace;font-size:.78rem;color:var(--cyan);
  border:1px solid var(--line);border-radius:50%;background:var(--panel);
}
.seq-steps li.is-pass b{color:var(--cyan-deep)}

/* phone-style portrait frame */
.seq-phone{
  position:relative;justify-self:center;width:100%;max-width:300px;
  aspect-ratio:auto;
  border-radius:30px;padding:10px;background:#0d1117;
  border:1px solid var(--line);
  box-shadow:0 30px 70px -28px rgba(11,184,166,.45),0 8px 24px -12px rgba(0,0,0,.25);
  cursor:pointer;transition:transform .3s,box-shadow .3s;
}
.seq-phone:hover,.seq-phone:focus-visible{
  transform:translateY(-4px);
  box-shadow:0 38px 84px -26px rgba(11,184,166,.6),0 10px 28px -12px rgba(0,0,0,.3);
}
.seq-phone video{
  display:block;width:100%;aspect-ratio:9/16;object-fit:cover;
  border-radius:22px;background:#0d1117;
}
.seq-phone .vc-expand{
  position:absolute;right:18px;bottom:18px;z-index:2;
  font-family:'Space Mono',monospace;font-size:.74rem;letter-spacing:.04em;
  color:#04201d;background:var(--cyan);padding:6px 12px;border-radius:999px;
  opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s;
  pointer-events:none;
}
.seq-phone:hover .vc-expand,.seq-phone:focus-visible .vc-expand{opacity:1;transform:none}

@media(max-width:860px){
  .seq-layout{grid-template-columns:1fr;gap:38px}
  .seq-phone{order:-1;max-width:280px}
}

/* ============ REAL BUILDS GALLERY ============ */
.build-gallery{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:20px;
}
/* a single feature photo spans wider for a deliberate look */
.build-card.feature{grid-column:1 / -1;max-width:760px}
.build-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);margin:0;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.build-card:hover{
  transform:translateY(-4px);border-color:rgba(47,227,208,.5);
  box-shadow:0 24px 60px -28px rgba(47,227,208,.4);
}
.build-card img{width:100%;height:100%;object-fit:cover;display:block}
.build-card.feature img{aspect-ratio:1/1;object-fit:cover}
.build-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(transparent,rgba(8,11,15,.92));
}
.build-tag{
  display:inline-block;
  font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.1em;
  color:var(--cyan);background:rgba(47,227,208,.12);
  border:1px solid rgba(47,227,208,.3);border-radius:6px;
  padding:5px 10px;margin-bottom:10px;
}
.build-card figcaption p{font-size:.92rem;color:rgba(255,255,255,.85);max-width:90%}

/* ============ CAPABILITIES ============ */
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.cap{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;
  transition:border-color .25s,transform .25s;
}
.cap:hover{border-color:rgba(47,227,208,.4);transform:translateY(-3px)}
.cap-no{font-family:'Space Mono',monospace;font-size:.82rem;color:var(--cyan)}
.cap h3{font-size:1.18rem;margin:14px 0 9px}
.cap p{font-size:.92rem;color:var(--ink-soft)}

/* ============ PROCESS FLOW ============ */
.flow{
  list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.flow li{position:relative;padding:26px 20px;border-right:1px solid var(--line)}
.flow li:last-child{border-right:none}
.flow-step{
  display:block;font-family:'Sora',sans-serif;font-weight:700;font-size:1.05rem;
  margin-bottom:8px;
}
.flow-step::before{
  content:counter(s,decimal-leading-zero);counter-increment:s;
  display:block;font-family:'Space Mono',monospace;font-size:.72rem;
  color:var(--cyan);margin-bottom:6px;
}
.flow{counter-reset:s}
.flow li p{font-size:.86rem;color:var(--ink-soft)}

/* ============ CTA STRIP ============ */
.cta-strip{
  max-width:var(--maxw);margin:40px auto 0;
  padding:70px clamp(18px,4vw,46px);text-align:center;
  border-top:1px solid var(--line);
}
.cta-strip h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:12px}
.cta-strip p{color:var(--ink-soft);margin-bottom:30px}

/* ============ FOOTER ============ */
.site-footer{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  max-width:var(--maxw);margin:60px auto 0;
  padding:34px clamp(18px,4vw,46px);
  border-top:1px solid var(--line);
}
.footer-logo{height:26px;opacity:.85}
.footer-meta{display:flex;flex-direction:column;gap:3px;font-size:.86rem;color:var(--ink-dim)}
.footer-meta a{color:var(--cyan)}
.footer-copy{margin-left:auto;font-family:'Space Mono',monospace;font-size:.74rem;color:var(--ink-dim)}

/* ============ VIDEO LIGHTBOX ============ */
.lightbox{
  position:fixed;inset:0;z-index:100;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;padding:4vh 4vw;
  background:rgba(5,7,10,.93);backdrop-filter:blur(10px);
  animation:fade .25s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lightbox video{
  width:min(1100px,92vw);max-width:min(1100px,92vw);max-height:80vh;
  aspect-ratio:16/9;height:auto;
  border-radius:12px;border:1px solid rgba(47,227,208,.3);
  box-shadow:0 30px 90px -20px rgba(47,227,208,.35);
  background:#000;
}
.lightbox.is-portrait video{
  aspect-ratio:9/16;width:auto;height:auto;
  max-height:84vh;max-width:min(420px,90vw);
}
.lb-caption{font-family:'Space Mono',monospace;font-size:.84rem;color:var(--ink-soft)}
.lb-close{
  position:absolute;top:22px;right:26px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--ink);
  width:44px;height:44px;border-radius:50%;font-size:1.1rem;cursor:pointer;
  transition:background .2s,transform .2s;
}
.lb-close:hover{background:rgba(255,255,255,.14);transform:rotate(90deg)}

/* ============ CONTACT PANEL ============ */
.contact-overlay{
  position:fixed;inset:0;z-index:120;
  display:flex;align-items:center;justify-content:center;padding:4vh 4vw;
  background:rgba(5,7,10,.86);backdrop-filter:blur(8px);
  animation:fade .25s ease;
}
.contact-panel{
  position:relative;display:grid;grid-template-columns:.85fr 1.15fr;
  width:min(940px,96vw);max-height:92vh;overflow:auto;
  background:var(--bg-2);border:1px solid var(--line);border-radius:18px;
  animation:rise .3s cubic-bezier(.2,.8,.2,1);
}
@keyframes rise{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}
.cp-left{
  padding:42px 38px;
  background:
    radial-gradient(circle at 20% 0%,rgba(47,227,208,.14),transparent 60%),
    var(--panel);
  border-right:1px solid var(--line);
}
.cp-left h2{font-size:1.9rem;margin:14px 0 14px}
.cp-left p{color:var(--ink-soft);font-size:.95rem;margin-bottom:26px}
.cp-mail{
  font-family:'Space Mono',monospace;font-size:.92rem;color:var(--cyan);
  border-bottom:1px solid rgba(47,227,208,.4);padding-bottom:3px;
}
.cp-right{padding:42px 38px;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.8rem;color:var(--ink-soft);letter-spacing:.02em}
.field input,.field textarea{
  background:var(--bg);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:12px 14px;font-size:.95rem;
  font-family:'Archivo',sans-serif;resize:vertical;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(47,227,208,.15);
}
.form-error{color:#ff6b6b;font-size:.85rem}
.submit-btn{
  margin-top:6px;background:var(--cyan);color:var(--on-accent);border:none;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:1rem;
  padding:14px;border-radius:10px;cursor:pointer;transition:transform .18s,box-shadow .18s;
}
.submit-btn:hover{transform:translateY(-1px);box-shadow:0 10px 28px -8px rgba(47,227,208,.55)}
.cp-note{font-size:.78rem;color:var(--ink-dim);text-align:center}
.cp-close{
  position:absolute;top:16px;right:16px;z-index:2;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--ink);
  width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1rem;
  transition:background .2s,transform .2s;
}
.cp-close:hover{background:rgba(255,255,255,.14);transform:rotate(90deg)}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  .top-nav{display:none}
  .lang-switch{margin-left:auto}
  .cap-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow li{border-right:none;border-bottom:1px solid var(--line)}
  .contact-panel{grid-template-columns:1fr}
  .cp-left{border-right:none;border-bottom:1px solid var(--line)}
}
@media(max-width:680px){
  .video-grid{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .contact-btn{padding:10px 16px;font-size:.85rem}
  .brand-logo{height:24px}
  .footer-copy{margin-left:0;width:100%}
}

/* ============ A11Y ============ */
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
}