/* ============================================================
   Loutee Vision Technology — Website styles
   Direction: "Blueprint" · Archivo + IBM Plex Mono · cobalt
   ============================================================ */

:root{
  --bg:#FCFDFE;
  --ice:#EEF3FA;
  --ink:#14202C;
  --muted:#5E7080;
  --cobalt:#2257D6;
  --cobalt-deep:#1E4DBE;
  --cobalt-soft:rgba(34,87,214,0.08);
  --blue-tint:#9DBCFF;
  --line:#DAE3EC;
  --display:'Archivo',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--display);line-height:1.5;-webkit-font-smoothing:antialiased;}
a{color:inherit;}
h1,h2,h3,p{margin:0;}
.wrap{max-width:1200px;margin:0 auto;padding:0 36px;}
.mono-label{font-family:var(--mono);font-size:12px;letter-spacing:0.18em;color:var(--cobalt);font-weight:500;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:14.5px;
  padding:13px 24px;border-radius:8px;text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease;white-space:nowrap;}
.btn svg{width:15px;height:15px;transition:transform .16s ease;}
.btn:hover svg{transform:translateX(2px) scale(1.04);}
.btn:active{transform:translateY(0) scale(0.98);}
.btn-fill{background:var(--cobalt);color:#fff;border-color:var(--cobalt);}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(34,87,214,.3);background:var(--cobalt-deep);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--cobalt);color:var(--cobalt);box-shadow:0 8px 20px rgba(20,32,44,.08);}
.btn-white{background:#fff;color:var(--cobalt);border-color:#fff;}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(10,20,60,.25);}
.btn-onblue{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-onblue:hover{transform:translateY(-2px);background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6);}

/* ---------- lockup ---------- */
.lockup{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.lockup .mk{display:block;}
.lockup .wm{display:flex;flex-direction:column;line-height:1;}
.lockup .wm-name{font-weight:700;font-size:17px;letter-spacing:-0.015em;color:var(--ink);white-space:nowrap;}
.lockup .wm-sub{font-family:var(--mono);font-weight:500;font-size:6.8px;letter-spacing:0.32em;color:var(--cobalt);margin-top:5px;}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(252,253,254,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
header.nav.scrolled{box-shadow:0 6px 24px rgba(20,32,44,.07);}
.nav-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .25s ease;}
header.nav.scrolled .nav-inner{height:66px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--muted);text-decoration:none;position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--cobalt);transition:right .22s ease;}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{right:0;}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-phone{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;transition:color .15s;}
.nav-phone:hover{color:var(--cobalt);}

/* mobile menu */
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;padding:0;flex:0 0 auto;}
.nav-burger svg{width:20px;height:20px;stroke:var(--ink);}
.nav-burger .ic-close{display:none;}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--bg);}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:17px 36px;text-decoration:none;
  font-weight:600;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-menu a .mnum{font-family:var(--mono);font-size:11px;color:var(--cobalt);letter-spacing:0.14em;}
.mobile-menu .mm-call{color:var(--cobalt);}
header.nav.menu-open .mobile-menu{display:block;}
header.nav.menu-open .nav-burger .ic-open{display:none;}
header.nav.menu-open .nav-burger .ic-close{display:block;}

/* ---------- hero ---------- */
.hero{position:relative;border-bottom:1px solid var(--line);overflow:hidden;}
.hero-rules{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);pointer-events:none;}
.hero-rules div{border-right:1px solid var(--line);opacity:.55;}
.hero-rules div:last-child{border-right:none;}
.hero-inner{position:relative;padding:92px 0 84px;}
.hero-eyebrow{display:flex;align-items:center;gap:2px;}
.hero-eyebrow .cursor{display:inline-block;width:8px;height:14px;background:var(--cobalt);margin-left:6px;animation:blink 1.15s steps(1) infinite;}
@keyframes blink{50%{opacity:0;}}
.hero h1{font-weight:700;font-size:clamp(42px,5.9vw,76px);line-height:1.0;letter-spacing:-0.03em;margin-top:28px;max-width:1000px;text-wrap:balance;}
.hero h1 .hl{color:var(--cobalt);}
.hero h1 .w{display:inline-block;}
.hero-row{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-top:40px;flex-wrap:wrap;}
.hero-sub{max-width:520px;font-size:16.5px;line-height:1.65;color:var(--muted);}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}

/* word rise-in on load */
@media (prefers-reduced-motion:no-preference){
  .js .hero h1 .w{opacity:0;transform:translateY(26px);animation:wordup .6s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:var(--d,0s);}
  @keyframes wordup{to{opacity:1;transform:none;}}
  .js .hero-eyebrow,.js .hero-sub,.js .hero-cta{opacity:0;animation:fadeup .7s ease forwards;}
  .js .hero-eyebrow{animation-delay:.05s;}
  .js .hero-sub{animation-delay:.55s;}
  .js .hero-cta{animation-delay:.68s;}
  @keyframes fadeup{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
}

/* spec strip */
.spec-strip{position:relative;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);}
.spec-item{display:flex;align-items:center;gap:12px;padding:20px 28px;border-right:1px solid var(--line);
  text-decoration:none;position:relative;overflow:hidden;transition:background .3s ease;}
.spec-item:last-child{border-right:none;}
.spec-item .num{font-family:var(--mono);font-size:11px;color:var(--muted);transition:color .3s ease;}
.spec-item .nm{font-weight:600;font-size:14.5px;color:var(--ink);}
.spec-item::before{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--cobalt);
  transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.7,.2,1);}
.spec-item.active{background:var(--cobalt-soft);}
.spec-item.active .num{color:var(--cobalt);font-weight:600;}
.spec-item.active::before{transform:scaleX(1);}
.spec-item:hover{background:var(--cobalt-soft);}
.spec-item:hover .num{color:var(--cobalt);}

/* ---------- sections ---------- */
section.block{padding:88px 0;}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;flex-wrap:wrap;}
.sec-head h2{font-weight:700;font-size:clamp(30px,3.4vw,42px);letter-spacing:-0.025em;margin-top:14px;line-height:1.05;}
.sec-lead{font-size:14.5px;color:var(--muted);max-width:300px;line-height:1.6;}

/* ---------- services ---------- */
#services{background:var(--ice);}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:44px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.svc-card{background:#fff;padding:32px 34px 36px;position:relative;transition:background .2s ease;}
.svc-card:hover{background:#FAFCFF;}
.svc-top{display:flex;justify-content:space-between;align-items:center;}
.svc-ico{width:48px;height:48px;border-radius:10px;background:var(--cobalt-soft);color:var(--cobalt);
  display:flex;align-items:center;justify-content:center;transition:background .25s ease,color .25s ease,transform .25s ease;}
.svc-ico svg{width:24px;height:24px;}
.svc-card:hover .svc-ico{background:var(--cobalt);color:#fff;transform:translateY(-3px);}
.svc-ref{font-family:var(--mono);font-size:12px;color:var(--muted);}
.svc-card h3{font-weight:700;font-size:23px;letter-spacing:-0.015em;margin-top:22px;}
.svc-desc{font-size:14px;color:var(--muted);margin-top:7px;line-height:1.55;}
.svc-card ul{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.svc-card li{display:flex;align-items:center;gap:10px;font-size:14px;}
.svc-card li svg{width:14px;height:14px;flex:0 0 auto;color:var(--cobalt);}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.about-copy h2{font-weight:700;font-size:clamp(28px,3vw,38px);letter-spacing:-0.025em;margin-top:14px;line-height:1.08;}
.about-copy p{font-size:15.5px;line-height:1.7;color:var(--muted);margin-top:18px;}
.about-copy p .strong{color:var(--ink);font-weight:600;}
.about-tag{font-family:var(--mono);font-size:13px;letter-spacing:0.1em;color:var(--cobalt);margin-top:24px;font-weight:600;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.stat{background:#fff;padding:28px 26px;transition:transform .2s ease;}
.stat:first-child{background:var(--cobalt);color:#fff;}
.stat .num{font-weight:700;font-size:28px;letter-spacing:-0.02em;line-height:1.1;text-wrap:balance;}
.stat .lbl{font-size:12.5px;margin-top:6px;line-height:1.5;color:var(--muted);}
.stat:first-child .lbl{color:rgba(255,255,255,.8);}

/* ---------- contact ---------- */
#contact{background:var(--cobalt);color:#fff;}
#contact .mono-label{color:var(--blue-tint);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
#contact h2{font-weight:700;font-size:clamp(32px,3.8vw,46px);letter-spacing:-0.025em;margin-top:16px;line-height:1.02;}
#contact .lead{font-size:16px;line-height:1.65;color:rgba(255,255,255,.78);margin-top:18px;max-width:430px;}
.contact-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.contact-card{display:flex;flex-direction:column;gap:1px;background:rgba(255,255,255,.25);
  border:1px solid rgba(255,255,255,.3);border-radius:12px;overflow:hidden;}
.cline{background:var(--cobalt-deep);padding:20px 26px;display:flex;justify-content:space-between;align-items:center;
  text-decoration:none;transition:background .18s ease;}
a.cline:hover{background:#1A44AA;}
.cline .lbl{font-family:var(--mono);font-size:11px;letter-spacing:0.16em;color:var(--blue-tint);}
.cline .val{font-weight:600;font-size:17px;color:#fff;}

/* ---------- footer ---------- */
footer.ft{border-top:1px solid var(--line);}
.ft-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.ft-legal{font-family:var(--mono);font-size:11.5px;color:var(--muted);}

/* ---------- scroll reveal ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1);transition-delay:var(--rd,0s);}
  .js .reveal.in{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .nav-links{display:none;}
  .nav-burger{display:flex;}
  .spec-strip{grid-template-columns:1fr 1fr;}
  .spec-item:nth-child(2){border-right:none;}
  .spec-item:nth-child(1),.spec-item:nth-child(2){border-bottom:1px solid var(--line);}
  .svc-grid{grid-template-columns:1fr;}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:44px;}
  .hero-row{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .wrap{padding:0 22px;}
  section.block{padding:64px 0;}
  .hero-inner{padding:56px 0 52px;}
  .hero h1{font-size:clamp(34px,9.5vw,42px);}
  .hero-eyebrow .mono-label{font-size:10.5px;letter-spacing:0.14em;}
  .spec-strip{grid-template-columns:1fr;}
  .spec-item{border-right:none;border-bottom:1px solid var(--line);}
  .spec-item:last-child{border-bottom:none;}
  .stat-grid{grid-template-columns:1fr;}
  .nav-phone{display:none;}
  .nav-inner{height:68px;}
  header.nav.scrolled .nav-inner{height:60px;}
  .nav-cta .btn-fill{padding:11px 16px;font-size:13.5px;}
  .mobile-menu a{padding:16px 22px;}
  .hero-cta,.contact-cta{width:100%;flex-direction:column;}
  .hero-cta .btn,.contact-cta .btn{justify-content:center;width:100%;}
  .svc-card{padding:26px 24px 30px;}
  .cline{padding:17px 20px;gap:14px;}
  .cline .val{font-size:15px;text-align:right;word-break:break-all;}
  #contact h2 br{display:none;}
  .sec-head h2{font-size:28px;}
  .ft-inner{height:auto;padding:20px 0;flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:380px){
  .hero h1{font-size:32px;}
  .wrap{padding:0 16px;}
}