/* ==========================================================
   TRACLE 공통 셸 — 메인(index.html) 디자인 시스템 계승
   base 웜 아이보리 / ink 딥 포레스트 / accent 골드
   서브페이지 7종(product·principle·howto·history·support·contact·promo) 공용
   ========================================================== */
:root{
  --bg:#F4EFE7;
  --surface:#FBF8F2;
  --ink:#1E2B22;
  --ink-70:rgba(30,43,34,.74);
  --ink-50:rgba(30,43,34,.56);
  --line:rgba(30,43,34,.13);
  --gold:#B99B5F;
  --gold-ink:#8A6F3C;
  --gold-soft:rgba(185,155,95,.36);
  --soil:#6B5744;
  --band:#1E2B22;
  --band-fg:#F2EEE4;
  --band-fg-70:rgba(242,238,228,.74);
  --ok:#3F7A55;
  --no:#A4503F;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --font-kr:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --font-en:'Sora',var(--font-kr);
  --wrap:min(94vw,1500px);
  --read:min(94vw,1080px);
}
/* 모바일 거터 — 94vw는 화면이 좁을수록 여백이 비례 축소돼(390px에서 11.7px) 콘텐츠가 모서리에 붙는다.
   좁은 화면에서는 비율이 아니라 고정 거터로 전환한다. */
@media (max-width:900px){
  :root{ --wrap:calc(100vw - 40px); --read:calc(100vw - 40px); }
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font-kr);font-size:16px;line-height:1.65;
  word-break:keep-all;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
em,i{font-style:normal} /* 한국어 이탤릭 금지 — 강조는 굵기·색으로 */
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.en{font-family:var(--font-en)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:1rem;top:1rem;z-index:99;background:var(--band);color:var(--band-fg);padding:.7rem 1.2rem;border-radius:10px;transform:translateY(calc(-100% - 1.5rem));opacity:0;pointer-events:none;transition:transform .4s var(--ease),opacity .4s var(--ease)}
.skip:focus{transform:none;opacity:1;pointer-events:auto}

/* ---------- GNB : 로고 이미지 + 5메뉴 + 제품문의·홍보 (총 7) ---------- */
.gnb{border-bottom:1px solid var(--line);background:var(--bg);position:relative;z-index:60}
.gnb-in{width:var(--wrap);margin-inline:auto;display:flex;align-items:center;gap:clamp(1.2rem,3vw,3rem);min-height:76px}
.brand{display:flex;align-items:center;padding:.4rem 0}
.brand img{height:clamp(28px,2.4vw,34px);width:auto}
.gnb-menu{display:flex;gap:clamp(.9rem,1.8vw,1.9rem);margin-left:auto}
.gnb-menu a{position:relative;font-size:.96rem;font-weight:600;color:var(--ink-70);padding:.8rem .15rem;transition:color .35s var(--ease)}
.gnb-menu a::after{content:"";position:absolute;left:0;right:100%;bottom:.45rem;height:2px;background:var(--gold);transition:right .4s var(--ease)}
.gnb-menu a:hover,.gnb-menu a:focus-visible{color:var(--ink)}
.gnb-menu a:hover::after,.gnb-menu a:focus-visible::after{right:0}
.gnb-menu a[aria-current="page"]{color:var(--ink)}
.gnb-menu a[aria-current="page"]::after{right:0}
.gnb-cta{display:flex;gap:.55rem}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.5rem 1.25rem;border-radius:999px;font-weight:700;font-size:.94rem;transition:transform .45s var(--ease),background-color .45s var(--ease),color .45s var(--ease),border-color .45s var(--ease)}
.chip-solid{background:var(--band);color:var(--band-fg)}
.chip-solid:hover{transform:translateY(-2px);background:#2A3C30}
.chip-ghost{border:1.5px solid var(--gold);color:var(--gold-ink)}
.chip-ghost:hover{background:rgba(185,155,95,.12);transform:translateY(-2px)}
.burger{display:none;width:48px;height:48px;position:relative;margin-left:.2rem}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:11px;right:11px;height:2px;background:var(--ink);transition:transform .5s var(--ease),opacity .3s var(--ease)}
.burger::before{top:16px}
.burger span{top:23px}
.burger::after{top:30px}
body.menu-open .burger::before{transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span{opacity:0}
body.menu-open .burger::after{transform:translateY(-7px) rotate(-45deg)}
.m-panel{position:fixed;inset:0;z-index:70;background:var(--band);color:var(--band-fg);display:flex;flex-direction:column;justify-content:center;padding:5.5rem clamp(1.5rem,8vw,3.5rem);opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility 0s .5s}
body.menu-open .m-panel{opacity:1;visibility:visible;transition:opacity .5s var(--ease)}
.m-panel nav a{display:block;font-size:clamp(1.35rem,5.4vw,1.9rem);font-weight:700;padding:.5rem 0;color:var(--band-fg)}
.m-panel nav a:hover{color:var(--gold)}
.m-close{position:absolute;top:1.1rem;right:1.1rem;width:48px;height:48px;border:1px solid rgba(242,238,228,.3);border-radius:50%;color:var(--band-fg);font-size:1.05rem;line-height:1}
.m-sub{margin-top:2rem;display:flex;flex-wrap:wrap;gap:.8rem}
.m-sub .chip-solid{background:var(--gold);color:var(--band)}
.m-sub .chip-ghost{border-color:rgba(242,238,228,.45);color:var(--band-fg)}
@media (max-width:1023px){
  .gnb-menu{display:none}
  .gnb-cta{margin-left:auto}
  .gnb-cta .chip-ghost{display:none}
  .burger{display:block}
}

/* ---------- SUB HERO : 딥 포레스트 밴드 (전 서브 공통 앵커) ---------- */
.subhero{position:relative;overflow:clip;background:var(--band);color:var(--band-fg);padding:clamp(3.2rem,7vw,5.4rem) 0 clamp(3.4rem,7vw,5.6rem)}
.subhero::before{content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;border:1.5px dashed rgba(185,155,95,.42);pointer-events:none}
.subhero::after{content:"";position:absolute;left:-10%;bottom:-60%;width:60%;height:120%;background:radial-gradient(closest-side,rgba(185,155,95,.16),rgba(185,155,95,0) 70%);pointer-events:none}
.sh-in{position:relative;z-index:2;width:var(--wrap);margin-inline:auto}
.sh-crumb{display:flex;align-items:center;gap:.5rem;font-size:.84rem;color:var(--band-fg-70);margin-bottom:clamp(1.2rem,2.4vw,1.9rem)}
.sh-crumb a:hover{color:var(--gold)}
.sh-en{display:block;font-family:var(--font-en);font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:.7rem}
.subhero h1{font-size:clamp(1.95rem,4.4vw,3.15rem);font-weight:800;line-height:1.2;letter-spacing:-.015em}
.sh-lead{margin-top:1rem;max-width:52ch;color:var(--band-fg-70);font-size:clamp(.97rem,1.3vw,1.08rem)}

/* ---------- 섹션 공통 ---------- */
.sec{padding:clamp(3.6rem,7vw,6.4rem) 0}
.sec-tint{background:var(--surface)}
.sec-band{background:var(--band);color:var(--band-fg)}
.sec-band .s-head p,.sec-band .s-lead{color:var(--band-fg-70)}
.wrap{width:var(--wrap);margin-inline:auto}
.read{width:var(--read);margin-inline:auto}
.s-head{margin-bottom:clamp(1.6rem,3vw,2.6rem)}
.s-eyebrow{display:block;font-family:var(--font-en);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:.6rem}
.sec-band .s-eyebrow{color:var(--gold)}
.s-head h2{font-size:clamp(1.5rem,2.9vw,2.3rem);font-weight:800;line-height:1.28;letter-spacing:-.01em}
.s-head p{margin-top:.75rem;color:var(--ink-50);max-width:56ch;font-size:.99rem}
.s-head.row{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:1rem}
.s-head.row p{margin-top:0;max-width:38ch}

/* 버튼 */
.btn{display:inline-flex;align-items:center;gap:.55rem;min-height:48px;padding:.72rem 1.65rem;border-radius:999px;font-weight:700;font-size:.99rem;transition:transform .5s var(--ease),background-color .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease),color .5s var(--ease)}
.btn-solid{background:var(--band);color:var(--band-fg)}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(30,43,34,.22)}
.btn-gold{background:var(--gold);color:#1E2B22}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(185,155,95,.34)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:rgba(251,248,242,.7)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--gold);color:var(--gold-ink)}
.sec-band .btn-ghost{border-color:rgba(242,238,228,.4);color:var(--band-fg);background:transparent}
.sec-band .btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

/* 카드 */
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:clamp(1.3rem,2.2vw,1.9rem)}
.card h3{font-size:1.12rem;font-weight:800;margin-bottom:.5rem}
.card p{color:var(--ink-70);font-size:.95rem}
.sec-band .card{background:rgba(242,238,228,.06);border-color:rgba(242,238,228,.16)}
.sec-band .card p{color:var(--band-fg-70)}

/* 표 (모바일 = 라벨:값 카드 변환) */
.tbl-shell{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--surface)}
table.dt{width:100%;border-collapse:collapse;font-size:.97rem}
table.dt caption{text-align:left;padding:1.1rem 1.3rem .2rem;font-weight:700;color:var(--ink-50);font-size:.9rem}
table.dt th,table.dt td{padding:.95rem 1.3rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.dt thead th{background:rgba(30,43,34,.05);font-weight:700;font-size:.9rem;letter-spacing:.01em;white-space:nowrap}
table.dt tbody tr:last-child th,table.dt tbody tr:last-child td{border-bottom:0}
table.dt tbody th{font-weight:700;white-space:nowrap;width:clamp(120px,18%,190px)}
table.dt td b{font-weight:700}
.mark-o{color:var(--ok);font-weight:800}
.mark-x{color:var(--no);font-weight:800}
@media (max-width:760px){
  table.dt,table.dt tbody,table.dt tr,table.dt td,table.dt th{display:block;width:100%}
  table.dt thead{display:none}
  table.dt tbody tr{border-bottom:1px solid var(--line);padding:.5rem 0}
  table.dt tbody tr:last-child{border-bottom:0}
  table.dt tbody th{width:auto;padding:.9rem 1.2rem .2rem;font-size:1rem}
  table.dt td{border-bottom:0;padding:.25rem 1.2rem;display:flex;gap:.7rem}
  table.dt td::before{content:attr(data-l);flex:0 0 88px;font-weight:700;color:var(--ink-50);font-size:.88rem}
  table.dt td:last-child{padding-bottom:.9rem}
}

/* 리스트 */
.ck{display:grid;gap:.6rem}
.ck li{list-style:none;display:flex;gap:.65rem;color:var(--ink-70);font-size:.97rem}
.ck li::before{content:"";flex:0 0 7px;height:7px;margin-top:.62rem;border-radius:50%;background:var(--gold)}
.sec-band .ck li{color:var(--band-fg-70)}

/* 알림 박스 */
.note{border-left:3px solid var(--gold);background:rgba(185,155,95,.09);padding:1rem 1.2rem;border-radius:0 12px 12px 0;font-size:.95rem;color:var(--ink-70)}
.note b{color:var(--ink)}
.note.warn{border-left-color:var(--no);background:rgba(164,80,63,.08)}

/* pending 배지 */
.pending{display:inline-flex;align-items:center;gap:.4rem;font-size:.76rem;font-weight:700;letter-spacing:.02em;color:var(--soil);background:rgba(107,87,68,.12);border:1px dashed rgba(107,87,68,.4);padding:.28rem .65rem;border-radius:999px}

/* 폼 */
.form{display:grid;gap:1.15rem}
.f-row{display:grid;gap:.45rem}
.f-row label{font-weight:700;font-size:.93rem}
.f-row label .req{color:var(--no);margin-left:.15rem}
.f-in,select,textarea{width:100%;min-height:48px;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:.97rem;transition:border-color .35s var(--ease),background-color .35s var(--ease)}
textarea{min-height:150px;resize:vertical;line-height:1.6}
.f-in:focus,select:focus,textarea:focus{border-color:var(--gold);background:#fff;outline:none}
.f-in[aria-invalid="true"]{border-color:var(--no);background:rgba(164,80,63,.05)}
.f-split{display:flex;align-items:center;gap:.5rem}
.f-split .f-in{text-align:center}
.f-split span{color:var(--ink-50)}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem}
.f-err{font-size:.85rem;color:var(--no);font-weight:600;min-height:1.1em}
.f-agree{display:flex;gap:.65rem;align-items:flex-start;padding:.4rem 0}
.f-agree input{width:22px;height:22px;margin-top:.15rem;accent-color:var(--gold-ink);flex:0 0 auto}
.f-agree label{font-size:.94rem;color:var(--ink-70);font-weight:600}
.privacy{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:1.1rem 1.2rem;max-height:190px;overflow-y:auto;font-size:.9rem;color:var(--ink-70)}
.privacy p{margin-bottom:.55rem}
.privacy ol{padding-left:1.15rem;display:grid;gap:.35rem}
.f-done{display:none;border:1.5px solid var(--gold);background:rgba(185,155,95,.1);border-radius:14px;padding:1rem 1.2rem;font-weight:700;color:var(--gold-ink)}
.f-done.on{display:block}
@media (max-width:700px){.f-grid{grid-template-columns:1fr}}

/* 아코디언 */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{display:flex;align-items:flex-start;gap:1rem;padding:1.25rem .3rem;cursor:pointer;list-style:none;font-weight:700;font-size:1.02rem;transition:color .35s var(--ease)}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{color:var(--gold-ink)}
.acc summary .qn{flex:0 0 auto;font-family:var(--font-en);font-size:.86rem;font-weight:700;color:var(--gold-ink);padding-top:.16rem}
.acc summary .qt{flex:1}
.acc summary .arw{flex:0 0 auto;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;border:1.5px solid var(--line);transition:transform .5s var(--ease),background-color .4s var(--ease),border-color .4s var(--ease)}
.acc details[open] summary .arw{transform:rotate(45deg);background:var(--gold);border-color:var(--gold)}
.acc .ans{padding:0 .3rem 1.4rem 2.6rem;color:var(--ink-70);font-size:.97rem;max-width:78ch}
@media (max-width:560px){.acc .ans{padding-left:.3rem}}

/* 미디어 프레임 */
.fig{border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden}
.fig img{width:100%;height:auto}
.fig figcaption{padding:.85rem 1.2rem;font-size:.88rem;color:var(--ink-50);border-top:1px solid var(--line)}
.fig-plain img{width:100%;height:auto}

/* ---------- FOOTER (메인과 동일) ---------- */
.footer{padding:clamp(3.4rem,6vw,5rem) 0 2.4rem;border-top:1px solid var(--line);background:var(--bg)}
.ft-wrap{width:var(--wrap);margin-inline:auto}
.ft-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:1.8rem;border-bottom:1px solid var(--line)}
.ft-brand{display:flex;flex-direction:column;gap:.5rem}
.ft-brand img{height:36px;width:auto}
.ft-brand small{font-weight:600;font-size:.86rem;color:var(--gold-ink)}
.ft-legal{display:flex;gap:1.4rem}
.ft-legal a{font-size:.9rem;font-weight:600;color:var(--ink-70);min-height:44px;display:inline-flex;align-items:center}
.ft-legal a:hover{color:var(--gold-ink)}
.ft-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.65rem 2.4rem;padding:1.7rem 0;color:var(--ink-70);font-size:.92rem}
.ft-info div{display:flex;gap:.6rem}
.ft-info dt{font-weight:700;color:var(--ink);flex-shrink:0}
.ft-info a{text-decoration:underline;text-underline-offset:3px}
.copy{font-size:.85rem;color:var(--ink-50)}

/* ---------- 스크롤 리빌 (메인 계승) ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--d,0)*90ms)}
.rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
}