/* =============================================================
   효령정공 — 공통 스타일 시트
   v6 시네마틱 다크 톤. 모든 페이지가 이 한 파일을 캐싱하여 사용.
   ============================================================= */

/* ===== TOKENS ===== */
:root{
  --bg:#0a0a0b;
  --bg-2:#101013;
  --bg-3:#16161b;
  --photo-bg:#1f1f25;
  --line:#22222a;
  --line-2:#2c2c36;
  --ink:#eef0ec;
  --ink-2:#a8a9ad;
  --ink-3:#6a6b71;
  --accent:#ff6b1a;
  --accent-2:#ffb27a;
  --accent-soft:rgba(255,107,26,.12);
  --grid:rgba(255,255,255,.035);
  --serif:'Bricolage Grotesque','Pretendard Variable',serif;
  --sans:'DM Sans','Pretendard Variable',system-ui,sans-serif;
  --kr:'Pretendard Variable','DM Sans',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-feature-settings:'ss01','ss02','cv11';
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
img,svg,video{display:block;max-width:100%}
.kr{font-family:var(--kr)}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* ===== ATMOSPHERE GRID ===== */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(ellipse at 50% 0%, black 35%, transparent 75%);
  opacity:.7;
}

/* ===== LAYOUT ===== */
.wrap{max-width:1320px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
@media (min-width:1500px){ .wrap{max-width:1480px} }
@media (max-width:720px){ .wrap{padding:0 20px} }

.eyebrow{
  font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);text-transform:uppercase;letter-spacing:.18em;
  color:var(--ink-3);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";display:inline-block;width:24px;height:1px;background:var(--accent)}

::selection{background:var(--accent);color:#1a0a00}

/* ===== TOP CONTACT BAR ===== */
.contact-strip{
  background:#000;color:var(--ink-2);font-family:var(--mono);
  font-size:clamp(9px,0.78vw,11px);letter-spacing:.04em;
  position:relative;z-index:60;
  border-bottom:1px solid var(--line);
}
.contact-strip-inner{
  max-width:1320px;margin:0 auto;padding:5px 32px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
@media (min-width:1500px){ .contact-strip-inner{max-width:1480px} }
.contact-strip a{transition:color .2s}
.contact-strip a:hover{color:var(--accent)}
.contact-strip .left{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.contact-strip .sep{color:var(--ink-3);opacity:.4}
.contact-strip .welcome{color:var(--ink-3)}
@media (max-width:760px){
  .contact-strip-inner{padding:5px 20px;font-size:clamp(9px,0.75vw,10.5px);gap:10px}
  .contact-strip .welcome{display:none}
  .contact-strip .addr{display:none}
}

/* ===== TOP NAV ===== */
.topbar{
  position:sticky;top:0;left:0;right:0;z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:border-color .3s;
  isolation:isolate;
}
.topbar::before{
  content:"";position:absolute;inset:0;z-index:-1;
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  background:rgba(10,10,11,.72);
  transition:background .3s;
}
.topbar.scrolled::before{background:rgba(10,10,11,.92)}
.topbar.scrolled{border-bottom-color:var(--line)}
.topbar-inner{
  max-width:1320px;margin:0 auto;padding:8px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
@media (min-width:1500px){ .topbar-inner{max-width:1480px} }
@media (max-width:720px){ .topbar-inner{padding:7px 20px} }

.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:800;letter-spacing:-0.01em;font-size:clamp(13px,1.18vw,16.5px);color:var(--ink);line-height:1.1}
.brand .mark{
  width:26px;height:26px;border-radius:5px;background:#fff;
  display:grid;place-items:center;flex-shrink:0;overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.06);
}
.brand .mark img{width:20px;height:20px;object-fit:contain}
.brand small{
  display:block;font-family:var(--mono);font-weight:400;font-size:clamp(8.5px,0.7vw,10px);
  color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;margin-top:1px;
}

nav.menu{display:flex;gap:24px}
nav.menu .menu-lang{display:none}  /* hidden by default — shown only inside mobile menu */
nav.menu a{font-family:var(--kr);font-size:clamp(12px,1.05vw,14.5px);font-weight:500;color:var(--ink-2);position:relative;padding:6px 0;transition:color .25s;letter-spacing:-0.01em}
nav.menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.2,.7,.2,1);
}
nav.menu a:hover,nav.menu a.on{color:var(--ink)}
nav.menu a:hover::after,nav.menu a.on::after{transform:scaleX(1)}

.lang{display:flex;font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);border:1px solid var(--line);border-radius:999px;padding:3px}
.lang a{padding:6px 12px;border-radius:999px;color:var(--ink-3);letter-spacing:.1em;transition:color .25s,background .25s}
.lang a.on{background:var(--ink);color:var(--bg)}
.lang a:hover:not(.on){color:var(--ink)}

.home-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px 8px 14px;border:1px solid var(--line);
  border-radius:999px;font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);
  letter-spacing:.14em;color:var(--ink-2);text-transform:uppercase;
  transition:border-color .25s,color .25s,background .25s;
  flex-shrink:0;
}
.home-btn:hover{border-color:var(--accent);color:var(--accent)}
.home-btn .ico{width:14px;height:14px;flex-shrink:0}
.home-btn .ico svg{width:100%;height:100%;display:block}
.home-btn .ico path{stroke:currentColor;fill:none;stroke-width:1.5}
@media (max-width:980px){
  .home-btn{display:none}  /* hidden on mobile (HOME accessible via menu) */
}

.menu-toggle{display:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);align-items:center;justify-content:center;background:transparent;flex-shrink:0;z-index:55;position:relative}
.menu-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative;transition:transform .25s,background .2s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);transition:transform .25s,top .25s}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.open span::after{top:0;transform:rotate(-45deg)}

@media (max-width:1100px){ nav.menu{gap:18px} nav.menu a{font-size:clamp(11.5px,1vw,14px)} }
@media (max-width:980px){
  nav.menu{
    position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;
    background:rgba(10,10,11,.50);
    flex-direction:column;justify-content:flex-start;align-items:flex-start;
    gap:0;padding:64px 24px 28px;
    transform:translateY(-100%);transition:transform .35s cubic-bezier(.2,.7,.2,1);
    overflow-y:auto;
  }
  nav.menu.open{transform:translateY(0)}
  nav.menu a{
    font-family:var(--kr);font-weight:600;font-size:clamp(15.5px,1.4vw,20px);letter-spacing:-0.01em;
    color:var(--ink);line-height:1.2;
    padding:14px 0;width:100%;border-bottom:1px solid var(--line);
  }
  nav.menu a::after{display:none}
  nav.menu a.on{color:var(--accent)}
  /* in-menu language toggle (since .lang in topbar is hidden on mobile) */
  nav.menu .menu-lang{
    display:flex;margin-top:24px;font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);
    border:1px solid var(--line);border-radius:999px;padding:3px;width:auto;
  }
  nav.menu .menu-lang a{
    font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);font-weight:400;
    padding:8px 16px;border-radius:999px;color:var(--ink-3);letter-spacing:.1em;
    width:auto;border-bottom:0;line-height:1;
  }
  nav.menu .menu-lang a.on{background:var(--ink);color:var(--bg)}
  .menu-toggle{display:flex}
  .lang{display:none}  /* desktop lang toggle hidden on mobile */
}
@media (max-width:380px){
  nav.menu{padding:58px 20px 24px}
  nav.menu a{font-size:clamp(14.5px,1.3vw,18.5px);padding:12px 0}
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero{
  position:relative;padding:12px 0 80px;
  min-height:55vh;
  display:flex;align-items:flex-start;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  overflow:hidden;
}
.page-hero > .wrap{width:100%}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.4;
}
.page-hero .crumb{
  font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);display:flex;gap:14px;align-items:center;margin-bottom:24px;
}
.page-hero .crumb a{transition:color .2s}
.page-hero .crumb a:hover{color:var(--ink)}
.page-hero .crumb .div{color:var(--accent);opacity:.6}
.page-hero h1{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(40px,7vw,108px);
  line-height:.98;letter-spacing:-0.035em;margin:0;
  word-break:keep-all;overflow-wrap:break-word;
}
.page-hero h1 > span{display:block}
.page-hero h1 em{font-style:italic;color:var(--accent);font-weight:300}
.page-hero h1 .kr-lead{
  font-family:var(--kr);font-weight:700;font-size:.4em;
  color:var(--ink-3);letter-spacing:.04em;margin-bottom:14px;
}
.page-hero .lead{
  font-family:var(--kr);font-size:clamp(14.5px,1.3vw,18.5px);line-height:1.7;color:var(--ink-2);
  margin:32px 0 0;max-width:60ch;
}
@media (max-width:720px){
  .page-hero{padding:12px 0 48px;min-height:auto}
  .page-hero h1{font-size:clamp(36px,9vw,56px);line-height:1.05}
  .page-hero h1 .kr-lead{font-size:.5em;margin-bottom:8px}
  .page-hero .lead{font-size:clamp(13px,1.18vw,16.5px);margin-top:20px}
}

/* ===== SECTION HEAD ===== */
.section-head{
  display:grid;grid-template-columns:240px 1fr;gap:60px;
  margin-bottom:64px;align-items:start;
}
@media (max-width:900px){ .section-head{grid-template-columns:1fr;gap:20px;margin-bottom:40px} }
.section-head .col-tag .num{font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);color:var(--ink-3);letter-spacing:.18em;text-transform:uppercase}
.section-head .col-tag .label{font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);color:var(--accent);letter-spacing:.18em;text-transform:uppercase;margin-top:8px}
.section-head h2{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(36px,4.6vw,64px);
  line-height:1.05;letter-spacing:-0.035em;margin:0;
}
.section-head h2 em{font-style:italic;color:var(--accent);font-weight:300}
.section-head .lead{
  font-family:var(--kr);font-size:clamp(14px,1.25vw,17px);line-height:1.7;color:var(--ink-2);
  margin:14px 0 0;max-width:60ch;
}

section{padding:100px 0;position:relative}
@media (max-width:720px){ section{padding:64px 0} }

/* ===== PRODUCT GRID (responsive) — used on productions, machines etc. ===== */
.p-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
@media (min-width:1500px){ .p-grid{grid-template-columns:repeat(4,1fr);gap:24px} }
@media (max-width:980px){ .p-grid{grid-template-columns:repeat(2,1fr);gap:16px} }
@media (max-width:560px){ .p-grid{grid-template-columns:1fr} }
.p-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.2,.7,.2,1), border-color .35s;
}
.p-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.p-card .photo{
  aspect-ratio:4/3;background:var(--photo-bg);overflow:hidden;
  position:relative;display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line);
}
.p-card .photo img{
  width:100%;height:100%;object-fit:contain;padding:20px;
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
  cursor:zoom-in;
}
.p-card:hover .photo img{transform:scale(1.04)}
.p-card .photo .num{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--mono);font-size:clamp(9px,0.75vw,10.5px);letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:rgba(0,0,0,.6);backdrop-filter:blur(6px);
  padding:5px 9px;border-radius:999px;border:1px solid rgba(255,107,26,.25);
}
.p-card .body{padding:20px 22px 22px}
.p-card .body small{
  display:block;font-family:var(--mono);font-size:clamp(9px,0.78vw,11px);color:var(--ink-3);
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;
}
.p-card .body h4{
  font-family:var(--serif);font-weight:500;font-size:clamp(15.5px,1.4vw,20px);line-height:1.25;
  letter-spacing:-0.018em;margin:0;color:var(--ink);
}
.p-card .body h4 em{font-style:italic;color:var(--accent);font-weight:400}
.p-card .body p{font-family:var(--kr);font-size:clamp(11.5px,1vw,14px);color:var(--ink-2);line-height:1.7;margin:8px 0 0}

/* ===== FOOTER ===== */
footer{border-top:1px solid var(--line);padding:80px 0 40px;background:var(--bg);position:relative;z-index:1}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line);
}
@media (max-width:900px){ .foot-grid{grid-template-columns:1fr 1fr;gap:32px} }
.foot-grid h5{font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);color:var(--ink-3);letter-spacing:.18em;text-transform:uppercase;margin:0 0 18px}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-grid ul a{font-family:var(--kr);font-size:clamp(12.5px,1.1vw,15px);color:var(--ink-2);transition:color .2s}
.foot-grid ul a:hover{color:var(--accent)}
.foot-brand .big{font-family:var(--serif);font-weight:300;font-size:clamp(34px,3.7vw,56px);line-height:1;letter-spacing:-0.04em;margin:0;color:var(--ink)}
.foot-brand .big em{font-style:italic;color:var(--accent)}
.foot-brand p{font-family:var(--kr);font-size:clamp(11.5px,1vw,14px);color:var(--ink-3);line-height:1.7;margin:18px 0 0;max-width:36ch}
.foot-bottom{
  padding-top:24px;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:14px;
  font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);color:var(--ink-3);letter-spacing:.06em;
}
.foot-bottom span{display:inline-flex;gap:18px;flex-wrap:wrap}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .9s ease,transform .9s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.05s}
.reveal[data-d="2"]{transition-delay:.1s}
.reveal[data-d="3"]{transition-delay:.15s}
.reveal[data-d="4"]{transition-delay:.2s}
.reveal[data-d="5"]{transition-delay:.25s}
.reveal[data-d="6"]{transition-delay:.30s}

/* ===== LIGHTBOX ===== */
.lightbox{
  position:fixed;inset:0;background:rgba(5,5,7,.95);z-index:100;
  display:none;align-items:center;justify-content:center;padding:40px;
  backdrop-filter:blur(20px);
}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px;border:1px solid var(--line-2)}
.lightbox .close{
  position:absolute;top:24px;right:24px;
  font-family:var(--mono);font-size:clamp(10px,0.85vw,12px);letter-spacing:.16em;color:var(--ink);
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);
  padding:10px 16px;border-radius:999px;
}