/* =====================================================================
   ADDLOGY — Radiographic Inspection Systems
   Design system / shared stylesheet
   Concept: the page behaves like an X-ray field. Content emerges from a
   cold dark void; dual-energy signatures (organic=amber, metal=cyan)
   carry the accent language; mono type reads like instrument data.
   ===================================================================== */

/* ----------------------------- Tokens ------------------------------ */
:root{
  /* Radiographic field (backgrounds) */
  --void:      #090c11;
  --void-2:    #0d1117;
  --panel:     #131a23;
  --panel-2:   #19222d;
  --line:      #233040;
  --line-2:    #324456;

  /* Radiographic light (text) */
  --phosphor:  #eef4f9;
  --mute:      #97a9bd;
  --faint:     #5f7187;

  /* Dual-energy signatures (accents) */
  --organic:   #f2873e;   /* hero accent — organic signature */
  --organic-d: #d96a25;
  --metal:     #45c6d8;   /* scan / inorganic — used with restraint */
  --metal-d:   #2a93a5;
  --warn:      #ffd24a;

  /* Type */
  --display: "Archivo", system-ui, sans-serif;
  --body:    "Inter", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Rhythm */
  --gut: clamp(20px, 5vw, 64px);   /* page side gutter */
  --maxw: 1280px;
  --radius: 3px;
}

/* ----------------------------- Reset ------------------------------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--void);
  color:var(--phosphor);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  word-break:keep-all;       /* Korean: break on word boundaries, not mid-word */
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--metal);outline-offset:3px}

/* Ambient radiographic scanline texture over the whole page */
body::before{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;
  background:repeating-linear-gradient(
    0deg, rgba(255,255,255,.014) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay;opacity:.6;
}

/* ----------------------------- Layout ------------------------------ */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(48px,7vw,96px)}
.divider{border-top:1px solid var(--line)}

/* Eyebrow / mono label, styled like an instrument readout */
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--metal);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--metal);display:inline-block;
}
.eyebrow.amber{color:var(--metal)}
.eyebrow.amber::before{background:var(--metal)}

/* Section heading */
.sec-head{max-width:62ch}
.sec-head h2{
  font-family:var(--display);font-weight:800;
  font-size:clamp(28px,4.4vw,52px);line-height:1.04;
  letter-spacing:-.02em;margin-top:18px;overflow-wrap:anywhere;
}
.sec-head p{color:var(--mute);font-size:clamp(15px,1.6vw,18px);margin-top:18px;max-width:54ch}

/* ----------------------------- Buttons ----------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 24px;border-radius:var(--radius);
  border:1px solid var(--line-2);color:var(--phosphor);
  background:var(--panel);transition:.25s ease;position:relative;
}
.btn .arr{transition:transform .25s ease;color:var(--organic)}
.btn:hover{border-color:var(--organic);background:var(--panel-2)}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{
  background:var(--organic);color:#160a02;border-color:var(--organic);font-weight:600;
}
.btn--primary .arr{color:#160a02}
.btn--primary:hover{background:var(--organic-d);border-color:var(--organic-d)}
.btn--ghost{background:transparent}

/* ----------------------------- Header ------------------------------ */
.topbar{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);border-bottom:1px solid var(--line);
  background:var(--void-2);
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;gap:16px}
.topbar .blink{color:var(--metal)}
.topbar .blink::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--metal);margin-right:7px;vertical-align:middle;
  box-shadow:0 0 8px var(--metal);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.topbar .t-right{display:flex;gap:22px}
.topbar .t-hide{}

.site-head{
  position:sticky;top:0;z-index:100;
  background:rgba(9,12,17,.78);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;overflow:hidden}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .logo{height:30px;width:auto;max-width:none;flex-shrink:0}
.brand .word{font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:.04em}
.brand .word b{color:var(--organic)}
.nav{display:flex;gap:6px;align-items:center}
.nav a{
  font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:var(--mute);
  padding:9px 14px;border-radius:var(--radius);transition:.2s;position:relative;
}
.nav a:hover{color:var(--phosphor)}
.nav a.active{color:var(--phosphor)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--organic);
}
.head-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:var(--radius)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--phosphor);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--phosphor)}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}

/* ------------------------- Section index tag ----------------------- */
.idx{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.1em}

/* ------------------------------ Footer ----------------------------- */
.site-foot{border-top:1px solid var(--line);background:var(--void-2);padding-block:64px 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.foot-grid h4{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:18px}
.foot-grid a,.foot-grid p{color:var(--mute);font-size:14px;line-height:2}
.foot-grid a:hover{color:var(--organic)}
.foot-brand .word{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.04em}
.foot-brand .word b{color:var(--organic)}
.foot-brand p{margin-top:14px;max-width:34ch}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;flex-wrap:wrap;gap:12px}

/* ----------------------- Reveal-on-scroll -------------------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ----------------------------- Utilities --------------------------- */
.amber{color:var(--organic)}
.cyan{color:var(--metal)}
.mono{font-family:var(--mono)}

/* ============================ RESPONSIVE =========================== */
@media (max-width:860px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
  .topbar .t-hide{display:none}
}
@media (max-width:720px){
  .nav{
    position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:0;z-index:200;
    background:var(--void-2);border-bottom:1px solid var(--line);
    padding:8px var(--gut) 16px;transform:translateY(-120%);transition:transform .3s ease;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav a.active::after{display:none}
  .menu-btn{display:flex}
  .head-cta .btn{display:none}
  .foot-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =====================================================================
   COMPONENTS — used across pages
   ===================================================================== */

/* ------------------------------- HERO ------------------------------ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::after{ /* corner registration marks, like a technical drawing */
  content:"";position:absolute;inset:18px;border:1px solid var(--line);
  pointer-events:none;mask:
    linear-gradient(#000 0 0) left/14px 1px no-repeat,
    linear-gradient(#000 0 0) right/14px 1px no-repeat,
    linear-gradient(#000 0 0) top/1px 14px no-repeat,
    linear-gradient(#000 0 0) bottom/1px 14px no-repeat;
  -webkit-mask:
    linear-gradient(#000 0 0) left/14px 1px no-repeat,
    linear-gradient(#000 0 0) right/14px 1px no-repeat,
    linear-gradient(#000 0 0) top/1px 14px no-repeat,
    linear-gradient(#000 0 0) bottom/1px 14px no-repeat;
  display:none;
}
.hero .wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,72px);
  align-items:center;padding-block:clamp(56px,8vw,104px);position:relative;z-index:2;
}
.hero h1{
  font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.04;
  font-size:clamp(38px,5.4vw,66px);
}
.hero h1 .em{
  color:var(--organic);position:relative;display:inline-block;
}
.hero .lead{color:var(--mute);font-size:clamp(16px,1.9vw,20px);margin-top:26px;max-width:46ch}
.hero .cta-row{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:30px;margin-top:46px;padding-top:26px;border-top:1px solid var(--line);
  font-family:var(--mono);flex-wrap:wrap;
}
.hero-meta .m b{display:block;font-size:26px;color:var(--phosphor);font-weight:600;letter-spacing:-.01em;line-height:1}
.hero-meta .m b .amber,
.hero-meta .m b .u{display:inline;font-size:.55em;vertical-align:top;margin-left:1px;color:var(--organic);font-weight:600}
.hero-meta .m span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);display:block;margin-top:6px}

/* The signature scanner panel */
.scanner{
  position:relative;aspect-ratio:1/1;border:1px solid var(--line-2);border-radius:var(--radius);
  background:
    radial-gradient(120% 120% at 70% 10%, rgba(69,198,216,.07), transparent 55%),
    linear-gradient(180deg,var(--panel),var(--void-2));
  overflow:hidden;box-shadow:0 30px 80px -40px rgba(0,0,0,.9), inset 0 0 0 1px rgba(255,255,255,.02);
}
.scanner .hud{
  position:absolute;left:14px;top:12px;right:14px;display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);z-index:5;
}
.scanner .hud .live{color:var(--metal)}
.scanner .readout{
  position:absolute;left:14px;bottom:12px;z-index:5;font-family:var(--mono);
  background:rgba(9,12,17,.82);padding:8px 12px;border-radius:3px;
}
.scanner .readout .count{font-size:clamp(30px,5vw,46px);font-weight:600;color:var(--organic);letter-spacing:.02em;line-height:1}
.scanner .readout .lbl{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-top:4px}
.scanner svg{position:absolute;inset:0;width:100%;height:100%}

/* ------------------------- THESIS / intro ------------------------- */
.thesis p{font-family:var(--display);font-weight:600;font-size:clamp(22px,3.2vw,36px);
  line-height:1.28;letter-spacing:-.01em;max-width:24ch}
.thesis .k{color:var(--organic)}
.thesis-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:start}
.thesis-side p{color:var(--mute);font-family:var(--body);font-weight:400;font-size:16px;line-height:1.75;max-width:42ch}
.thesis-side p + p{margin-top:18px}

/* ----------------------------- PRODUCTS ---------------------------- */
.prod-list{display:grid;gap:6px;border-top:none}
.prod-row{
  display:grid;grid-template-columns:48px 1.1fr 1.4fr auto;gap:clamp(12px,2vw,24px);
  align-items:center;padding-block:clamp(20px,3vw,32px);padding-inline:clamp(16px,2vw,28px);
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(19,26,35,.5);
  transition:background .25s ease, border-color .25s ease;position:relative;
}
.prod-row:hover{background:var(--panel-2);border-color:var(--line-2)}
.prod-row > *{min-width:0}
.prod-row .pno{font-family:var(--mono);font-size:13px;color:var(--faint);letter-spacing:.08em}
.prod-row h3{font-family:var(--display);font-weight:800;font-size:clamp(20px,2.6vw,30px);letter-spacing:-.01em;line-height:1.1;overflow-wrap:anywhere}
.prod-row .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--metal);margin-top:4px;display:inline-block;overflow-wrap:anywhere}
.prod-row p{color:var(--mute);font-size:15px;line-height:1.65;max-width:48ch}
.prod-row .go{
  width:46px;height:46px;border:1px solid var(--line-2);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;color:var(--organic);transition:.25s;flex-shrink:0;
}
.prod-row:hover .go{background:var(--organic);color:#160a02;border-color:var(--organic);transform:translateX(4px)}

/* ----------------------------- CAPABILITY -------------------------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cap{background:var(--void-2);padding:clamp(26px,3vw,40px)}
.cap .ic{width:34px;height:34px;color:var(--organic);margin-bottom:22px}
.cap h4{font-family:var(--display);font-weight:700;font-size:19px;margin-bottom:10px}
.cap p{color:var(--mute);font-size:14.5px;line-height:1.7}

/* ----------------------------- STATS ------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line)}
.stat{background:var(--void);padding:clamp(28px,4vw,52px) clamp(20px,3vw,36px);text-align:left}
.stat b{font-family:var(--display);font-weight:800;font-size:clamp(34px,5vw,58px);letter-spacing:-.02em;display:block;line-height:1}
.stat b .u{color:var(--organic);font-size:.6em;margin-left:2px}
.stat span{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:14px;display:block}

/* ----------------------------- PROCESS ----------------------------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,36px);counter-reset:p}
.proc .step{position:relative;padding-top:30px;border-top:2px solid var(--line-2)}
.proc .step::before{
  counter-increment:p;content:"0" counter(p);position:absolute;top:-14px;left:0;
  font-family:var(--mono);font-size:13px;color:var(--organic);background:var(--void);padding-right:10px;letter-spacing:.06em;
}
.proc .step h4{font-family:var(--display);font-weight:700;font-size:18px;margin-bottom:10px}
.proc .step p{color:var(--mute);font-size:14px;line-height:1.65}

/* ----------------------------- CTA band ---------------------------- */
.cta-band{position:relative;overflow:hidden;border-block:1px solid var(--line);background:var(--void-2)}
.cta-band::before{
  content:"";position:absolute;inset:0;background:
    radial-gradient(60% 120% at 85% 50%, rgba(242,135,62,.10), transparent 60%);
}
.cta-band .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-family:var(--display);font-weight:800;font-size:clamp(28px,4vw,46px);letter-spacing:-.02em;max-width:18ch;line-height:1.05}
.cta-band p{color:var(--mute);margin-top:14px;max-width:40ch}

/* ====================== PRODUCTS PAGE specifics ===================== */
.phero{border-bottom:1px solid var(--line);padding-block:clamp(56px,8vw,96px) clamp(40px,5vw,64px)}
.phero h1{font-family:var(--display);font-weight:800;font-size:clamp(38px,6vw,72px);letter-spacing:-.03em;line-height:1.02;margin-top:20px}
.phero p{color:var(--mute);font-size:clamp(16px,1.8vw,19px);max-width:52ch;margin-top:22px}

.product{padding-block:clamp(64px,9vw,120px);border-bottom:1px solid var(--line);scroll-margin-top:90px}
.product .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.product.flip .grid{direction:rtl}
.product.flip .grid > *{direction:ltr}
.product h2{font-family:var(--display);font-weight:800;font-size:clamp(30px,4.4vw,52px);letter-spacing:-.02em;line-height:1.02;margin-top:16px}
.product .sub{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--metal);margin-top:14px}
.product .desc{color:var(--mute);font-size:16px;line-height:1.75;margin-top:22px;max-width:46ch}
.product ul.feat{list-style:none;margin-top:26px;display:grid;gap:12px}
.product ul.feat li{display:flex;gap:12px;color:var(--mute);font-size:15px;align-items:flex-start}
.product ul.feat li::before{content:"+";color:var(--organic);font-family:var(--mono);font-weight:600;flex-shrink:0}

/* visual frame for product imagery / diagram */
.frame{
  position:relative;border:none;border-radius:var(--radius);
  background:transparent;overflow:visible;
  box-shadow:none;
}
.frame svg{position:absolute;inset:0;width:100%;height:100%}
.frame .tag{position:absolute;left:12px;top:11px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);z-index:3}
/* image slot: drop a real photo here later */
.frame img.photo{position:static;width:100%;height:auto;display:block;}

/* SPEC TABLE — instrument readout style */
.spec{margin-top:34px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec .spec-hd{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);padding:12px 18px;background:var(--void-2);border-bottom:1px solid var(--line)}
.spec dl{margin:0}
.spec .r{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px;padding:8px 18px;border-bottom:1px solid var(--line);align-items:baseline}
.spec .r:last-child{border-bottom:none}
.spec dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.spec dd{font-family:var(--mono);font-size:14px;color:var(--phosphor)}
.spec dd .hl{color:var(--organic)}

/* ======================== ABOUT PAGE specifics ===================== */
.statement{font-family:var(--display);font-weight:600;font-size:clamp(24px,3.6vw,42px);line-height:1.25;letter-spacing:-.01em;max-width:22ch}
.statement .k{color:var(--organic)}
.vmv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.vmv .cell{background:var(--void-2);padding:clamp(28px,3.5vw,46px)}
.vmv .cell .n{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--metal);margin-bottom:16px}
.vmv .cell h3{font-family:var(--display);font-weight:700;font-size:22px;margin-bottom:12px}
.vmv .cell p{color:var(--mute);font-size:15px;line-height:1.7;max-width:40ch}

/* ======================= CONTACT PAGE specifics =================== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,72px)}
.cinfo .row{padding-block:22px;border-bottom:1px solid var(--line)}
.cinfo .row:first-child{border-top:1px solid var(--line)}
.cinfo .row .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.cinfo .row .v{font-size:17px}
.cinfo .row .v a:hover{color:var(--organic)}
.form{background:var(--void-2);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,3vw,40px)}
.form .field{margin-bottom:20px}
.form label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:9px}
.form input,.form textarea,.form select{
  width:100%;background:var(--void);border:1px solid var(--line-2);border-radius:var(--radius);
  color:var(--phosphor);font-family:var(--body);font-size:15px;padding:13px 15px;transition:.2s;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--organic);background:#0b0f15}
.form textarea{resize:vertical;min-height:130px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .note{font-family:var(--mono);font-size:11px;color:var(--faint);margin-top:8px;letter-spacing:.04em}
.form-msg{font-family:var(--mono);font-size:13px;margin-top:16px;padding:12px 14px;border-radius:var(--radius);display:none}
.form-msg.ok{display:block;color:var(--metal);border:1px solid var(--metal-d);background:rgba(69,198,216,.06)}

.map-embed{margin-top:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:16/7}
.map-embed iframe{width:100%;height:100%;border:0;filter:grayscale(1) invert(.92) contrast(.9) hue-rotate(180deg)}

@media (max-width:880px){
  .hero .wrap{grid-template-columns:1fr;gap:48px}
  .scanner{max-width:460px}
  .thesis-grid{grid-template-columns:1fr;gap:28px}
  .cap-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .proc{grid-template-columns:1fr 1fr;gap:28px 24px}
  .product .grid,.product.flip .grid{grid-template-columns:1fr;direction:ltr;gap:36px}
  .vmv{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .form .two{grid-template-columns:1fr}
}
@media (max-width:720px){
  .prod-row{grid-template-columns:40px 1fr;row-gap:8px}
  .prod-row .go{grid-row:1/2;grid-column:2;justify-self:end}
  .prod-row p{grid-column:1/-1}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  .proc{grid-template-columns:1fr}
}