/* ============================================================
   JINSANSAM BIO — 深山: Ink-wash mountain · Hanji · Red seal
   (traditional Korean landscape aesthetic, image-forward)
   ============================================================ */
:root{
  --ink:#1c1e1a;
  --ink-2:#282b24;
  --pine:#20402c;
  --pine-2:#2c5539;
  --hanji:#efe7d5;
  --hanji-2:#e7dcc4;
  --paper:#f4efe2;
  --seal:#b23a2e;
  --seal-2:#8f2c22;
  --gold:#b28e46;
  --gold-soft:#cbab6b;
  --line:#d3c8ac;
  --line-2:#c6b995;
  --text:#2a2518;
  --muted:#6f6754;
  --maxw:1200px;
  --serif:'Gowun Batang','Nanum Myeongjo',Georgia,serif;
  --sans:'Inter',-apple-system,system-ui,sans-serif;
  --brush:'Ma Shan Zheng','Gowun Batang',cursive;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 15% 12%,rgba(120,100,60,.05),transparent 30%),
    radial-gradient(circle at 85% 80%,rgba(60,80,55,.05),transparent 34%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.2;color:var(--ink);letter-spacing:-.01em;}
.hanja{font-family:var(--serif);}

/* 붓글씨(수묵)는 한자·낙관에만 — 영문 제목은 정자 명조 유지 */
.hero-seal,.seal-mark,.brush{font-family:var(--brush);}

/* ── 먹 붓터치(수묵) 그래픽 ── */
.brush-x{line-height:0;display:inline-block;}
.brush-x svg{display:block;width:100%;height:auto;fill:currentColor;}
.brush-x.red{color:var(--seal);}
.brush-x.gold{color:var(--gold-soft);}
.brush-x.ink{color:#1c3a26;}
.sec-divider{display:flex;justify-content:center;padding:4px 0 2px;}
.sec-divider .brush-x{width:220px;color:var(--seal);opacity:.92;}
.sec-divider.on-ink .brush-x{color:var(--gold-soft);}
/* 섹션 제목 위(작은 붓) + 아래(밑줄 붓) */
.sec-head::before{content:"";display:block;width:70px;height:15px;margin:0 auto 1.2rem;opacity:.95;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 330 40'><path fill='%23b23a2e' d='M6 24c50-13 112-15 176-10 40 3 82 1 120-6 16-3 30 1 30 9 0 8-15 11-30 8-38-7-80-4-120 0-64 5-126 3-176-3-6-1-6-5 0-6z'/></svg>") center/contain no-repeat;}
.sec-ink .sec-head::before{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 330 40'><path fill='%23cbab6b' d='M6 24c50-13 112-15 176-10 40 3 82 1 120-6 16-3 30 1 30 9 0 8-15 11-30 8-38-7-80-4-120 0-64 5-126 3-176-3-6-1-6-5 0-6z'/></svg>");}
.sec-head h2::after{content:"";display:block;width:140px;height:18px;margin:1rem auto 0;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 330 40'><path fill='%23b23a2e' d='M6 24c50-13 112-15 176-10 40 3 82 1 120-6 16-3 30 1 30 9 0 8-15 11-30 8-38-7-80-4-120 0-64 5-126 3-176-3-6-1-6-5 0-6z'/><path fill='%23b23a2e' d='M312 30c6-1 12 0 15 3-5 2-11 2-15-1z'/></svg>") center/contain no-repeat;}
.hero h1::after,.page-hero h1::after{content:"";display:block;width:190px;height:19px;margin:1.2rem 0 0;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 330 40'><path fill='%23cbab6b' d='M6 24c50-13 112-15 176-10 40 3 82 1 120-6 16-3 30 1 30 9 0 8-15 11-30 8-38-7-80-4-120 0-64 5-126 3-176-3-6-1-6-5 0-6z'/><path fill='%23cbab6b' d='M312 30c6-1 12 0 15 3-5 2-11 2-15-1z'/></svg>") left/contain no-repeat;}

/* ---- red seal (낙관) ---- */
.seal-mark{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;flex:0 0 auto;
  background:var(--seal);color:#f6ede0;font-family:var(--serif);font-size:1.5rem;border-radius:5px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25),0 2px 8px rgba(120,30,22,.35);position:relative;}
.seal-mark::after{content:"";position:absolute;inset:3px;border:1px solid rgba(255,255,255,.35);border-radius:3px;}

/* ---- kicker ---- */
.kicker{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--sans);font-size:.72rem;font-weight:600;
  letter-spacing:.3em;text-transform:uppercase;color:var(--seal);}
.kicker::before{content:"";width:30px;height:1px;background:var(--seal);opacity:.7;}
.kicker.on-ink{color:var(--gold-soft);}
.kicker.on-ink::before{background:var(--gold-soft);}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:600;font-size:.88rem;
  letter-spacing:.02em;padding:.85rem 1.6rem;border:1px solid transparent;cursor:pointer;transition:all .2s;}
.btn-seal{background:var(--seal);color:#f6ede0;}
.btn-seal:hover{background:var(--seal-2);color:#fff;}
.btn-ink{background:var(--ink);color:var(--hanji);}
.btn-ink:hover{background:#000;}
.btn-hanji{background:var(--hanji);color:var(--ink);border-color:var(--line-2);}
.btn-hanji:hover{background:#fff;}
.btn-ghost{background:transparent;border:1px solid var(--gold);color:var(--gold);}
.btn-ghost:hover{background:var(--gold);color:var(--ink);}
.btn-ghost.on-ink{color:var(--gold-soft);border-color:var(--gold-soft);}
.btn-ghost.on-ink:hover{background:var(--gold-soft);color:var(--ink);}

/* ---- EMPTY IMAGE FRAME (user fills later) ---- */
.frame{position:relative;background:var(--hanji-2);border:1px solid var(--line-2);overflow:hidden;
  display:flex;align-items:center;justify-content:center;}
.frame img{width:100%;height:100%;object-fit:cover;}
.frame .fmark{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--line-2);text-align:center;}
.frame .fmark .m-ico{font-family:var(--serif);font-size:2.6rem;color:#b9ac86;line-height:1;}
.frame .fmark .m-lbl{font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:#a99a74;}
/* corner ticks (전통 프레임 모서리) */
.frame::before,.frame::after{content:"";position:absolute;width:16px;height:16px;pointer-events:none;}
.frame::before{top:10px;left:10px;border-top:1px solid var(--seal);border-left:1px solid var(--seal);}
.frame::after{bottom:10px;right:10px;border-bottom:1px solid var(--seal);border-right:1px solid var(--seal);}
.frame.ratio-wide{aspect-ratio:16/10;}
.frame.ratio-sq{aspect-ratio:1/1;}
.frame.ratio-tall{aspect-ratio:3/4;}
.frame.ratio-cert{aspect-ratio:3/4;}

/* ---- topbar ---- */
.topbar{background:var(--ink);color:#b6ad97;font-size:.75rem;letter-spacing:.03em;border-bottom:1px solid rgba(178,58,46,.4);}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:1rem;}
.tb-left{display:flex;gap:1.5rem;flex-wrap:wrap;}
.tb-left span{display:inline-flex;align-items:center;gap:.45rem;}
.tb-left i{color:var(--gold-soft);}
.tb-right{display:flex;align-items:center;gap:1.1rem;white-space:nowrap;}
.tb-right a:hover{color:var(--gold-soft);}
.tb-cta{color:var(--seal)!important;font-weight:600;}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:60;background:rgba(28,30,26,.97);backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(211,200,172,.16);transition:box-shadow .25s;}
.nav.scrolled{box-shadow:0 10px 34px rgba(0,0,0,.4);}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:80px;}
.brand{display:flex;align-items:center;gap:.8rem;color:var(--hanji);}
.brand .btxt{font-family:var(--serif);font-weight:700;font-size:1.4rem;letter-spacing:.05em;line-height:1;}
.brand .btxt b{color:var(--gold-soft);}
.brand .btxt small{display:block;font-family:var(--sans);font-weight:400;font-size:.56rem;letter-spacing:.3em;
  text-transform:uppercase;color:#8f9a8a;margin-top:4px;}
.menu{display:flex;align-items:center;gap:.15rem;}
.menu>a,.has-sub>a{display:inline-flex;align-items:center;gap:.35rem;color:#d8d1bf;font-weight:500;font-size:.88rem;
  padding:.6rem .9rem;position:relative;transition:color .18s;}
.menu>a:hover,.has-sub:hover>a{color:var(--gold-soft);}
.menu>a::after{content:"";position:absolute;left:.9rem;right:.9rem;bottom:.4rem;height:1px;background:var(--seal);
  transform:scaleX(0);transform-origin:left;transition:transform .22s;}
.menu>a:hover::after{transform:scaleX(1);}
.has-sub{position:relative;}
.has-sub .sub{position:absolute;top:100%;left:0;min-width:250px;background:var(--ink-2);
  border:1px solid rgba(211,200,172,.2);border-top:2px solid var(--seal);padding:.5rem;opacity:0;visibility:hidden;
  transform:translateY(8px);transition:all .2s;box-shadow:0 20px 44px rgba(0,0,0,.45);z-index:70;}
.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateY(0);}
.has-sub .sub a{display:block;color:#cfc8b5;font-size:.85rem;padding:.6rem .8rem;}
.has-sub .sub a:hover{background:rgba(178,58,46,.16);color:var(--gold-soft);}
.nav-cta{display:flex;align-items:center;gap:.9rem;}
.hamb{display:none;font-size:1.4rem;color:var(--hanji);cursor:pointer;}
#navtoggle{display:none;}

/* ---- mountains svg ---- */
.mtn{display:block;width:100%;height:auto;}
.mtn .l1{fill:#16241a;}
.mtn .l2{fill:#20402c;}
.mtn .l3{fill:#33553e;}
.mist{opacity:.5;}

/* ---- hero ---- */
.hero{position:relative;background:linear-gradient(180deg,#14160f 0%,#1b1f16 60%,#20281a 100%);color:var(--hanji);overflow:hidden;}
.hero .mtn-bg{position:absolute;left:0;right:0;bottom:0;z-index:1;}
.hero-seal{position:absolute;right:5%;top:14%;font-family:var(--serif);font-size:20rem;color:rgba(178,58,46,.10);z-index:1;line-height:1;}
.hero .wrap{position:relative;z-index:3;padding:104px 26px 150px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:4rem;color:#f4ecd9;margin:1rem 0 1.3rem;font-weight:700;line-height:1.12;}
.hero h1 .red{color:var(--gold-soft);}
.hero p.lead{font-size:1.15rem;color:#cfcbb6;max-width:520px;font-weight:300;}
.hero .cta-row{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-figure .frame{aspect-ratio:4/5;background:rgba(239,231,213,.06);border-color:rgba(211,200,172,.3);}
.hero-figure .frame .fmark .m-ico,.hero-figure .frame .fmark .m-lbl{color:rgba(211,200,172,.5);}
.hero-figure .stamp{position:absolute;left:-22px;bottom:-22px;}

/* ---- sections ---- */
.sec{padding:96px 0;position:relative;}
.sec-hanji{background:var(--hanji);}
.sec-paper{background:var(--paper);}
.sec-ink{background:linear-gradient(180deg,#1b1f16,#20281a);color:var(--hanji);}
.sec-ink h2,.sec-ink h3{color:#f4ecd9;}
.sec-ink .muted{color:#b3b09b;}
.sec-head{max-width:760px;margin:0 auto 3.4rem;text-align:center;}
.sec-head h2{font-size:2.7rem;margin:1rem 0 .9rem;}
.sec-head .lead{color:var(--muted);font-size:1.08rem;}
.sec-ink .sec-head .lead{color:#bdbaa4;}
.muted{color:var(--muted);}
.lead{font-size:1.08rem;}
.center{text-align:center;}

/* mountain divider between sections */
.divider{line-height:0;}
.divider svg{width:100%;height:70px;}

/* ---- grids ---- */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.g2.img-left{grid-template-columns:.9fr 1.1fr;}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}

/* ---- plate card (한지 판) ---- */
.plate{position:relative;background:var(--paper);border:1px solid var(--line-2);padding:36px 30px;transition:transform .2s,box-shadow .2s;}
.sec-hanji .plate{background:#f6f1e6;}
.plate:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(28,30,26,.12);}
.plate .num{font-family:var(--serif);font-size:1.1rem;color:var(--seal);letter-spacing:.1em;}
.plate .ic{font-size:1.5rem;color:var(--pine-2);margin-bottom:.9rem;}
.plate h3{font-size:1.5rem;margin-bottom:.5rem;}
.plate p{color:var(--muted);font-size:.96rem;}

/* prose */
.prose h3{font-size:1.8rem;margin:1.6rem 0 .6rem;}
.prose p{margin-bottom:1rem;}
.prose ul{list-style:none;margin:1.1rem 0;}
.prose ul li{position:relative;padding-left:1.7rem;margin-bottom:.6rem;}
.prose ul li::before{content:"山";position:absolute;left:0;top:0;color:var(--seal);font-family:var(--serif);font-size:.9rem;}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(211,200,172,.25);border-bottom:1px solid rgba(211,200,172,.25);}
.stats .stat{padding:36px 22px;text-align:center;border-right:1px solid rgba(211,200,172,.18);}
.stats .stat:last-child{border-right:0;}
.stats .stat b{font-family:var(--serif);font-size:2.9rem;color:var(--gold-soft);display:block;line-height:1;}
.stats .stat span{font-size:.82rem;color:#b3b09b;}
.sec-hanji .stats .stat b{color:var(--seal);}
.sec-hanji .stats .stat span{color:var(--muted);}

/* process (steps) */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st;}
.process .step{position:relative;padding-top:1.4rem;border-top:2px solid var(--seal);}
.process .step::before{counter-increment:st;content:counter(st,decimal-leading-zero);font-family:var(--serif);
  font-size:2rem;color:var(--seal);display:block;margin-bottom:.4rem;}
.process .step h4{font-size:1.25rem;margin-bottom:.35rem;}
.process .step p{font-size:.9rem;color:var(--muted);}

/* timeline */
.timeline{max-width:840px;margin:0 auto;position:relative;}
.timeline::before{content:"";position:absolute;left:120px;top:6px;bottom:6px;width:1px;background:var(--line-2);}
.tl-item{position:relative;display:grid;grid-template-columns:120px 1fr;gap:44px;padding:16px 0;}
.tl-year{font-family:var(--serif);font-size:1.7rem;color:var(--seal);text-align:right;}
.tl-body{padding-left:28px;position:relative;}
.tl-body::before{content:"";position:absolute;left:-4px;top:11px;width:9px;height:9px;background:var(--seal);
  border-radius:50%;box-shadow:0 0 0 4px var(--paper),0 0 0 5px var(--line-2);}
.sec-hanji .tl-body::before{box-shadow:0 0 0 4px var(--hanji),0 0 0 5px var(--line-2);}

/* gallery band (empty frames) */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.gallery .frame.ratio-sq{min-height:0;}

/* product / credential frames */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card-item{background:var(--paper);border:1px solid var(--line-2);overflow:hidden;transition:transform .2s,box-shadow .2s;display:block;}
.sec-hanji .card-item{background:#f6f1e6;}
.card-item:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(28,30,26,.14);}
.card-item .c-frame{aspect-ratio:4/3;background:var(--hanji-2);border-bottom:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;}
.card-item .c-frame img{width:100%;height:100%;object-fit:cover;}
.card-item .c-frame .fmark{display:flex;flex-direction:column;align-items:center;gap:.4rem;}
.card-item .c-frame .m-ico{font-family:var(--serif);font-size:2.4rem;color:#b9ac86;}
.card-item .c-frame .m-lbl{font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:#a99a74;}
.card-item .c-body{padding:22px 24px 26px;}
.card-item .c-tag{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--seal);font-weight:600;}
.card-item h3,.card-item h4{font-size:1.4rem;margin:.3rem 0 .4rem;}
.card-item p{color:var(--muted);font-size:.92rem;margin-bottom:.6rem;}
.card-item .c-spec{font-size:.82rem;color:var(--pine-2);border-top:1px solid var(--line-2);padding-top:.7rem;}

/* key-value */
.kv{border:1px solid var(--line-2);}
.kv>div{display:grid;grid-template-columns:190px 1fr;border-bottom:1px solid var(--line-2);}
.kv>div:last-child{border-bottom:0;}
.kv .k{background:var(--hanji-2);padding:15px 20px;font-weight:600;color:var(--pine);font-size:.9rem;}
.kv .v{padding:15px 20px;font-size:.95rem;}

/* badges */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;}
.chip{display:inline-flex;align-items:center;gap:.5rem;background:var(--paper);border:1px solid var(--line-2);
  font-size:.84rem;padding:.55rem 1.1rem;color:var(--pine);}
.chip i{color:var(--seal);}
.sec-ink .chip{background:rgba(255,255,255,.04);border-color:rgba(211,200,172,.28);color:#e2dcc9;}
.sec-ink .chip i{color:var(--gold-soft);}

/* page hero */
.page-hero{position:relative;background:linear-gradient(180deg,#171a12,#20281a);color:var(--hanji);
  padding:82px 0 96px;overflow:hidden;}
.page-hero .mtn-bg{position:absolute;left:0;right:0;bottom:-1px;}
.page-hero .wrap{position:relative;z-index:3;}
.page-hero h1{color:#f4ecd9;font-size:3.1rem;margin:.7rem 0 .6rem;}
.page-hero p{color:#cbc9b3;max-width:640px;font-weight:300;}
.crumb{font-size:.76rem;color:#9aa393;letter-spacing:.05em;}
.crumb a:hover{color:var(--gold-soft);}

/* cta band */
.cta{position:relative;background:linear-gradient(180deg,#1b1f16,#20281a);color:var(--hanji);text-align:center;padding:96px 26px;overflow:hidden;}
.cta .hero-seal{top:auto;bottom:-6rem;right:-2rem;}
.cta h2{color:#f4ecd9;font-size:2.7rem;margin-bottom:.7rem;position:relative;z-index:2;}
.cta p{color:#c3c0aa;max-width:560px;margin:0 auto 1.9rem;position:relative;z-index:2;}
.cta .btn{position:relative;z-index:2;}

/* forms */
.form-card{background:var(--paper);border:1px solid var(--line-2);padding:40px;}
.form-card label{font-size:.82rem;font-weight:600;color:var(--pine);margin-bottom:.35rem;display:block;}
.form-card input,.form-card textarea,.form-card select{width:100%;padding:.8rem .9rem;border:1px solid var(--line-2);
  background:var(--hanji);font-family:var(--sans);font-size:.95rem;color:var(--text);margin-bottom:1.1rem;}
.form-card input:focus,.form-card textarea:focus{outline:none;border-color:var(--seal);box-shadow:0 0 0 3px rgba(178,58,46,.12);}
.alert{padding:.9rem 1.1rem;margin-bottom:1.2rem;font-size:.9rem;}
.alert-success{background:#eaf1ea;border:1px solid #b7cdb9;color:#1f4d30;}

/* footer */
.footer{position:relative;background:var(--ink);color:#a49c86;padding:0 0 30px;border-top:3px solid var(--seal);}
.footer .foot-mtn{line-height:0;opacity:.5;}
.footer .foot-mtn svg{width:100%;height:60px;}
.fcols{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px;padding:20px 0 36px;border-bottom:1px solid rgba(211,200,172,.14);}
.fbrand{display:flex;align-items:center;gap:.7rem;font-family:var(--serif);font-size:1.5rem;color:#efe7d5;margin-bottom:1rem;}
.fbrand b{color:var(--gold-soft);}
.fbrand-col p{font-size:.9rem;color:#948c78;max-width:430px;}
.fbadges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem;}
.fbadges span{font-size:.7rem;color:var(--gold-soft);border:1px solid rgba(178,142,70,.4);padding:.3rem .7rem;}
.footer h4{color:#efe7d5;font-family:var(--sans);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1.1rem;}
.footer ul{list-style:none;}
.footer ul li{margin-bottom:.6rem;font-size:.9rem;}
.footer ul li i{color:var(--seal);width:18px;}
.footer ul li a:hover{color:var(--gold-soft);}
.fbottom{display:flex;justify-content:space-between;padding-top:22px;font-size:.8rem;color:#726a58;flex-wrap:wrap;gap:.6rem;}

/* popup */
.popup-modal .modal-content{border:0;border-top:3px solid var(--seal);border-radius:0;}
.popup-footer{display:flex;justify-content:space-between;align-items:center;padding:.7rem 1rem;background:var(--ink);}
.popup-footer label{color:#cfc8b5;font-size:.82rem;display:flex;align-items:center;gap:.4rem;margin:0;}
.popup-footer .btn-close{filter:invert(1);}

/* responsive */
@media (max-width:991px){
  .hero-grid,.g2,.g2.img-left{grid-template-columns:1fr;gap:36px;}
  .g3,.g4,.stats,.process,.cards,.gallery{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:3rem;}
  .hero-seal{font-size:12rem;}
  .nav-cta .btn{display:none;}
  .hamb{display:block;}
  .menu{position:fixed;inset:118px 0 auto 0;flex-direction:column;align-items:stretch;background:var(--ink-2);
    gap:0;max-height:0;overflow:hidden;transition:max-height .3s;border-bottom:2px solid var(--seal);}
  #navtoggle:checked ~ .menu{max-height:82vh;overflow:auto;}
  .menu>a,.has-sub>a{padding:1rem 26px;border-top:1px solid rgba(211,200,172,.12);}
  .menu>a::after{display:none;}
  .has-sub .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:rgba(0,0,0,.22);padding:0;}
  .has-sub .sub a{padding:.75rem 42px;}
}
@media (max-width:767px){
  .sec{padding:64px 0;}
  .g3,.g4,.stats,.process,.cards,.gallery{grid-template-columns:1fr;}
  .stats .stat{border-right:0;border-bottom:1px solid rgba(211,200,172,.18);}
  .hero h1{font-size:2.4rem;}
  .sec-head h2,.cta h2,.page-hero h1{font-size:2rem;}
  .kv>div{grid-template-columns:1fr;}
  .kv .k{border-bottom:1px solid var(--line-2);}
  .timeline::before{left:64px;}
  .tl-item{grid-template-columns:64px 1fr;gap:20px;}
  .tl-year{font-size:1.2rem;}
  .topbar .tb-left{display:none;}
  .topbar .wrap{justify-content:center;}
  .fcols{grid-template-columns:1fr;gap:30px;}
}

/* ---- brand logo + export markets ---- */
.brand-logo{height:54px;width:54px;flex:0 0 auto;object-fit:contain;background:var(--hanji);
  border-radius:50%;padding:5px;box-shadow:0 2px 9px rgba(0,0,0,.28);}
.fbrand-logo{height:42px;width:42px;flex:0 0 auto;object-fit:contain;background:#efe7d5;
  border-radius:50%;padding:4px;}
.markets{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;max-width:840px;margin:0 auto;}
.markets span{font-family:var(--serif);font-size:.98rem;color:#2c3128;background:rgba(178,142,70,.07);
  border:1px solid rgba(178,142,70,.5);padding:.5rem 1.15rem;border-radius:2px;letter-spacing:.02em;}
@media (max-width:640px){.brand-logo{height:46px;width:46px;}}

/* ---- text credential cards (image-free evidence) ---- */
.cred-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.cred-line{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line-2);padding:18px 20px;}
.cred-ico{flex:0 0 auto;width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--hanji-2);color:var(--seal);border:1px solid rgba(178,58,46,.28);font-size:1.5rem;line-height:1;}
.cred-txt h4{margin:0 0 .25rem;font-size:1.05rem;line-height:1.3;}
.cred-txt p{margin:0;color:var(--muted);font-size:.84rem;}
@media(max-width:720px){.cred-grid{grid-template-columns:1fr;}}