/* =========================================================
   LIGNUM — CORE (global) [REFINED / FULL WIDTH EDITION]
   Tokens / Base / Background / Layout / Nav / Footer / Panels / A11y

   Direction
   - deep forest archive
   - gold / black / gold frame system
   - wider stage
   - cleaner spacing
   - stable class names
   ========================================================= */

/* =========================================================
   TOKENS
   ========================================================= */
:root{
  /* Base palette */
  --bg:#0b0d0b;
  --bg-deep:#070808;
  --bg-panel:#162019;
  --bg-panel-2:#1b261f;
  --bg-panel-3:#223027;

  --fg:#f3efe4;
  --fg-soft:rgba(243,239,228,.76);
  --fg-dim:rgba(243,239,228,.56);
  --fg-faint:rgba(243,239,228,.42);

  --gold:#c8a24d;
  --gold-soft:#d4b56f;
  --gold-dim:rgba(200,162,77,.52);
  --gold-line:rgba(200,162,77,.34);
  --gold-line-soft:rgba(200,162,77,.20);

  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.05);

  --ink-black:#121212;
  --ink-deep:#0d0d0d;

  /* Frame system */
  --frame-gold:#c8a24d;
  --frame-gold-soft:rgba(200,162,77,.92);
  --frame-black:#0a0a0a;
  --frame-black-soft:rgba(0,0,0,.76);

  /* Layout */
  --max:min(1680px, calc(100vw - 32px));
  --max-ultra:min(1800px, calc(100vw - 40px));
  --frameR:22px;

  /* Shadows */
  --shadow:0 32px 120px rgba(0,0,0,.38);
  --shadow2:0 18px 56px rgba(0,0,0,.28);
  --shadow3:0 10px 28px rgba(0,0,0,.22);

  /* Background image */
  --bg-img:url("/assets/pc-home/bg-leather-brown.webp");

  /* Cards / Panels */
  --card-bg:#1a241d;
  --card-bg2:#202d24;
  --card-bg3:#26342b;
  --card-fg:#f3efe4;
  --card-line:rgba(200,162,77,.26);

  --card-shadow:0 20px 70px rgba(0,0,0,.30);
  --card-inset:inset 0 1px 0 rgba(255,255,255,.04);

  /* Links */
  --link-ink:rgba(243,239,228,.86);
  --link-ink-hover:#ffffff;

  /* Typography */
  --font-display:
    "Cormorant Garamond",
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    Garamond,
    serif;

  --font-body:
    "Spectral",
    "Noto Serif KR",
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    serif;

  --txt-11:clamp(12px, 0.9vw, 13px);
  --txt-12:clamp(13px, 1.0vw, 14px);
  --txt-13:clamp(14px, 1.05vw, 15px);
  --txt-14:clamp(15px, 1.15vw, 17px);
  --txt-16:clamp(16px, 1.25vw, 18px);
  --txt-18:clamp(18px, 1.45vw, 20px);

  /* Decorative */
  --double-frame-gap:10px;
}

/* =========================================================
   BASE
   ========================================================= */
*{ box-sizing:border-box; }

html,body{ height:100%; }
html{ position:relative; }

body{
  margin:0;
  color:var(--fg);
  background:var(--bg);

  font-family:var(--font-body);
  font-size:var(--txt-14);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;

  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::selection{
  background:rgba(200,162,77,.24);
  color:#fff;
}

img,
svg,
video,
canvas{
  display:block;
  max-width:100%;
}

/* =========================================================
   BACKGROUND LAYERS
   ========================================================= */
html::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-4;
  pointer-events:none;

  background:
    linear-gradient(180deg, rgba(0,0,0,.60), rgba(0,0,0,.68)),
    radial-gradient(1200px 700px at 50% 12%, rgba(200,162,77,.08), rgba(0,0,0,0) 58%),
    var(--bg-img);

  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-3;
  pointer-events:none;

  background:
    linear-gradient(180deg, rgba(5,6,5,.24), rgba(5,6,5,.38)),
    radial-gradient(900px 500px at 50% 28%, rgba(255,255,255,.03), rgba(255,255,255,0) 62%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;

  background:
    radial-gradient(circle at center,
      rgba(0,0,0,0) 38%,
      rgba(0,0,0,.16) 72%,
      rgba(0,0,0,.28) 100%);
}

/* =========================================================
   WRAP
   ========================================================= */
.wrap{
  position:relative;
  z-index:1;

  width:var(--max);
  max-width:none;

  margin:14px auto 0;
  padding:42px 18px 96px;

  background:
    linear-gradient(180deg, rgba(23,31,25,.92), rgba(20,28,22,.95));

  border:2px solid var(--frame-gold);
  border-radius:var(--frameR);

  box-shadow:
    0 0 0 4px var(--frame-black),
    0 0 0 6px var(--frame-gold-soft),
    var(--shadow);

  opacity:1;
  transform:translateY(0);
  transition:opacity .65s ease, transform .65s ease;
  will-change:opacity, transform;
}

.wrap::before{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:calc(var(--frameR) - 18px);
  border:1px solid rgba(200,162,77,.18);
  pointer-events:none;
}

.wrap::after{
  content:"";
  position:absolute;
  inset:28px;
  border-radius:calc(var(--frameR) - 28px);
  border:1px solid rgba(255,255,255,.03);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.02),
    inset 0 0 120px rgba(255,255,255,.02);
  pointer-events:none;
}

.wrap > *{
  position:relative;
  z-index:2;
}

@media (min-width:1600px){
  .wrap{
    width:var(--max-ultra);
  }
}

@media (max-width:768px){
  .wrap{
    width:calc(100vw - 12px);
    max-width:none;
    margin:8px auto 0;
    padding:24px 10px 72px;
    border-radius:18px;
    border:2px solid var(--frame-gold);

    box-shadow:
      0 0 0 4px var(--frame-black),
      0 0 0 6px var(--frame-gold-soft),
      var(--shadow2);
  }

  .wrap::before{
    inset:10px;
    border-radius:calc(18px - 10px);
  }

  .wrap::after{
    inset:16px;
    border-radius:calc(18px - 16px);
  }
}

/* =========================================================
   DIVIDER
   ========================================================= */
.hairline{
  height:1px;
  margin:12px 0;
  background:
    linear-gradient(
      90deg,
      rgba(200,162,77,0) 0%,
      rgba(200,162,77,.42) 18%,
      rgba(200,162,77,.42) 82%,
      rgba(200,162,77,0) 100%
    );
}

/* =========================================================
   TOP BAR
   ========================================================= */
.topbar{
  padding:14px 2px 10px;
}

.topbar .topbarInner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:64px;
}

.topbar .brandCenter{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  margin-left:0;
}

.topbar .brandCenter a{
  display:flex;
  align-items:center;
  gap:12px;
  line-height:1;
  color:inherit;
  text-decoration:none;
}

.topbar .brandMark{
  width:32px;
  height:32px;
  display:block;
  flex:0 0 auto;
  object-fit:contain;
  filter:none !important;
  mix-blend-mode:normal !important;
  opacity:1 !important;
  transform:none !important;
  -webkit-transform:none !important;
  image-rendering:auto;
}

.topbar .brandWord{
  display:block;
  padding-top:1px;
  color:var(--fg);
  font-family:var(--font-display);
  font-size:20px;
  font-weight:600;
  line-height:1;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-kerning:normal;
}

.topbar .topNav{
  position:relative;
  left:0;
  display:flex;
  justify-content:flex-end;
  gap:18px;
  flex-wrap:nowrap;
}

@media (min-width:721px){
  .topbar .topNav{
    left:-18px;
  }
}

.topbar .topNav a{
  position:relative;
  padding:0 !important;
  border:none !important;
  border-radius:0 !important;
  background:transparent !important;
  box-shadow:none !important;

  color:var(--fg-dim);
  font-family:var(--font-body);
  font-size:11px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.12em;
  text-decoration:none;
  text-transform:uppercase;
  transform:none !important;
  transition:color .18s ease, opacity .18s ease;
}

.topbar .topNav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:100%;
  height:1px;
  background:var(--gold);
  opacity:.9;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}

.topbar .topNav a:hover,
.topbar .topNav a.is-active{
  color:var(--fg);
}

.topbar .topNav a:hover::after,
.topbar .topNav a.is-active::after{
  transform:scaleX(1);
}

@media (max-width:720px){
  .topbar .topbarInner{
    min-height:56px;
  }

  .topbar .brandMark{
    width:28px;
    height:28px;
  }

  .topbar .brandWord{
    font-size:17px;
    letter-spacing:.16em;
  }

  .topbar .topNav{
    gap:14px;
    left:0;
    justify-content:center;
  }
}

@media (max-width:520px){
  .topbar{
    padding:0;
  }

  .topbar .topbarInner{
    flex-direction:column;
    justify-content:center;
    gap:12px;
    padding:14px 12px;
  }

  .topbar .brandCenter{
    width:100%;
    justify-content:center;
  }

  .topbar .topNav{
    width:100%;
    left:0;
    justify-content:center;
    gap:14px;
    flex-wrap:wrap;
  }

  .topbar .topNav a{
    font-size:11px;
    letter-spacing:.14em;
  }
}

@media (max-width:360px){
  .topbar .brandWord{
    font-size:15px;
    letter-spacing:.08em;
  }

  .topbar .topNav a{
    font-size:10px;
    letter-spacing:.05em;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;

  margin-top:48px;
  padding-top:20px;

  border-top:1px solid var(--gold-line-soft);
  color:var(--fg-faint);
  font-size:11px;
  letter-spacing:.12em;
}

.contact{
  color:var(--fg-soft);
}

/* =========================================================
   PAGE TRANSITION
   ========================================================= */
.wrap.is-leaving{
  opacity:0;
  transform:translateY(-10px);
}

.wrap.is-entering{
  opacity:0;
  transform:translateY(14px);
}

.wrap.is-entering.is-ready{
  opacity:1;
  transform:translateY(0);
}

@media (prefers-reduced-motion: reduce){
  .wrap{
    transition:none !important;
    transform:none !important;
  }

  .wrap.is-leaving,
  .wrap.is-entering{
    opacity:1 !important;
  }
}

/* =========================================================
   GLOBAL INTERACTION SAFETY
   ========================================================= */
@media (hover:none){
  .featureBtn:hover,
  .inlineLink:hover,
  .purposeBtn:hover,
  .filterBtn:hover{
    transform:none !important;
  }
}

/* =========================================================
   FOCUS
   ========================================================= */
.archiveCard:focus-visible,
.purposeBtn:focus-visible,
.filterBtn:focus-visible,
.featureBtn:focus-visible,
.inlineLink:focus-visible,
.topbar .topNav a:focus-visible{
  outline:1px solid var(--gold);
  outline-offset:4px;
}

/* =========================================================
   CORE HELPERS
   ========================================================= */
.noWrap{
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}

.descOneLine{
  display:block;
  margin-top:6px;
  overflow:visible;
  white-space:nowrap;
  text-overflow:clip;
}

.vStack{
  display:flex;
  flex-direction:column;
  gap:6px;
  text-align:right;
}

.vLine{
  display:grid;
  grid-template-columns:1fr auto auto;
  gap:10px;
  align-items:baseline;
}

.vLeft{
  color:var(--fg);
  opacity:.94;
}

.vMid{
  color:var(--fg-soft);
  opacity:.50;
}

.vRight{
  color:var(--fg);
  font-variant-numeric:tabular-nums;
}

.vHint{
  margin-top:6px;
  color:var(--fg-soft);
  font-size:11px;
  line-height:1.55;
  letter-spacing:.05em;
  opacity:.52;
}

/* =========================================================
   GLOBAL CTA — TEXT MODE
   ========================================================= */
.featureBtn,
.inlineLink,
.purposeBtn,
.filterBtn{
  position:relative;
  padding:0 !important;
  height:auto !important;
  border:none !important;
  border-radius:0 !important;
  background:transparent !important;
  box-shadow:none !important;

  color:var(--link-ink);
  font-family:var(--font-body);
  font-weight:500;
  letter-spacing:.01em;
  text-decoration:none;
  transform:none !important;
  transition:color .18s ease, opacity .18s ease;
}

.featureBtn::after,
.inlineLink::after,
.purposeBtn::after,
.filterBtn::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:100%;
  height:1px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}

.featureBtn:hover,
.inlineLink:hover,
.purposeBtn:hover,
.filterBtn:hover{
  color:var(--link-ink-hover);
}

.featureBtn:hover::after,
.inlineLink:hover::after,
.purposeBtn:hover::after,
.filterBtn:hover::after{
  transform:scaleX(1);
}

/* =========================================================
   GLOBAL PANELS / CARDS
   ========================================================= */
.featureFrame,
.archiveCard,
.traceCard,
.systemCard{
  position:relative;
  color:var(--card-fg);
  background:
    linear-gradient(180deg, var(--card-bg2), var(--card-bg));
  border:1px solid var(--card-line);
  box-shadow:var(--card-shadow), var(--card-inset);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
}

.featureFrame::before,
.archiveCard::before,
.traceCard::before,
.systemCard::before{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(200,162,77,.28);
  border-radius:inherit;
  pointer-events:none;
}

.featureFrame::after,
.archiveCard::after,
.traceCard::after,
.systemCard::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0) 28%);
  pointer-events:none;
}

.featureCard p,
.traceCard p,
.archiveCard p,
.systemCard p{
  color:var(--fg-soft);
  font-family:var(--font-body);
  font-size:var(--txt-14);
  font-weight:400;
  line-height:1.72;
  letter-spacing:.004em;
}

/* =========================================================
   ARCHIVE THUMBNAILS
   ========================================================= */
.archiveCard.hasThumb{
  position:relative;
  overflow:hidden;
  border-color:rgba(200,162,77,.28);
  background:
    linear-gradient(
      180deg,
      rgba(17,22,18,.22) 0%,
      rgba(17,22,18,.14) 38%,
      rgba(17,22,18,.70) 100%
    ),
    var(--card-img);
  background-size:cover;
  background-position:center;
}

.archiveCard.hasThumb > *{
  position:relative;
  z-index:1;
}

/* =========================================================
   TYPOGRAPHIC DEFAULTS
   ========================================================= */
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--fg);
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.1;
  letter-spacing:-.01em;
}

p{
  margin:0;
  color:var(--fg-soft);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.004em;
}

small{
  color:var(--fg-dim);
}

strong{
  color:#fff;
  font-weight:700;
}

a{
  color:inherit;
}

/* =========================================================
   FORM / INPUT BASE SAFETY
   ========================================================= */
input,
textarea,
select,
button{
  font:inherit;
}

input,
textarea,
select{
  color:var(--fg);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
}

input::placeholder,
textarea::placeholder{
  color:rgba(243,239,228,.36);
}

/* =========================================================
   SCROLLBAR
   ========================================================= */
*{
  scrollbar-width:thin;
  scrollbar-color:rgba(200,162,77,.55) rgba(255,255,255,.05);
}

*::-webkit-scrollbar{
  width:10px;
  height:10px;
}

*::-webkit-scrollbar-track{
  background:rgba(255,255,255,.04);
}

*::-webkit-scrollbar-thumb{
  background:rgba(200,162,77,.45);
  border:2px solid rgba(0,0,0,.18);
  border-radius:999px;
}

*::-webkit-scrollbar-thumb:hover{
  background:rgba(200,162,77,.68);
}

/* =========================================================
   RESPONSIVE TYPOGRAPHY
   ========================================================= */
@media (max-width:768px){
  html::before,
  body::before,
  body::after{
    transform:none !important;
  }

  body{
    font-size:15.5px;
    line-height:1.8;
    letter-spacing:0;
  }

  h1,h2,h3{
    line-height:1.12;
    letter-spacing:-.01em;
  }

  .topbar .brandWord{
    font-size:17px;
    letter-spacing:.10em;
  }

  .topbar .topNav a{
    font-size:11px;
    letter-spacing:.06em;
  }

  .featureCard p,
  .traceCard p,
  .archiveCard p,
  .systemCard p,
  p{
    font-size:15px;
    line-height:1.78;
    letter-spacing:0;
  }
}

/* =========================================================
   LIGNUM FLOATING CHAT — OPEN KAKAO
   ========================================================= */
.lignumChatFab{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:9999;

  display:flex;
  align-items:center;
  gap:12px;

  min-width:unset;
  max-width:min(320px, calc(100vw - 28px));
  padding:12px 16px 12px 12px;

  overflow:hidden;
  isolation:isolate;

  color:var(--fg);
  text-decoration:none;

  background:
    linear-gradient(180deg, rgba(28,37,31,.96), rgba(20,28,22,.98));
  border:1px solid rgba(200,162,77,.42);
  border-radius:18px;

  box-shadow:
    0 0 0 2px rgba(0,0,0,.72),
    0 0 0 3px rgba(200,162,77,.22),
    0 18px 50px rgba(0,0,0,.38);

  transition:
    transform .22s ease,
    box-shadow .22s ease,
    border-color .22s ease,
    opacity .22s ease;
}

.lignumChatFab::before{
  content:"";
  position:absolute;
  inset:8px;
  border:1px solid rgba(200,162,77,.18);
  border-radius:12px;
  pointer-events:none;
}

.lignumChatFab::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0) 42%);
  pointer-events:none;
}

.lignumChatFab:hover{
  transform:translateY(-2px);
  border-color:rgba(212,181,111,.62);
  box-shadow:
    0 0 0 2px rgba(0,0,0,.78),
    0 0 0 3px rgba(200,162,77,.30),
    0 24px 64px rgba(0,0,0,.44);
}

.lignumChatFab:active{
  transform:translateY(0);
}

.lignumChatFab:focus-visible{
  outline:1px solid var(--gold);
  outline-offset:4px;
}

.lignumChatFab__icon{
  position:relative;
  z-index:1;
  flex:0 0 auto;
  width:52px;
  height:52px;
  overflow:hidden;
  border:1px solid rgba(200,162,77,.34);
  border-radius:50%;
  background:#050505;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.03),
    0 10px 24px rgba(0,0,0,.30);
}

.lignumChatFab__icon img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}

.lignumChatFab__text{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  min-width:0;
}

.lignumChatFab__eyebrow{
  margin-bottom:5px;
  color:var(--fg-faint);
  font-size:10px;
  font-weight:600;
  line-height:1;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.lignumChatFab__title{
  color:var(--fg);
  font-family:var(--font-display);
  font-size:18px;
  font-weight:600;
  line-height:1.05;
  letter-spacing:.02em;
  white-space:nowrap;
}

@media (max-width:768px){
  .lignumChatFab{
    right:14px;
    bottom:14px;
    gap:10px;
    padding:10px 14px 10px 10px;
    max-width:calc(100vw - 16px);
    border-radius:16px;
  }

  .lignumChatFab::before{
    inset:7px;
    border-radius:11px;
  }

  .lignumChatFab__icon{
    width:46px;
    height:46px;
  }

  .lignumChatFab__eyebrow{
    margin-bottom:4px;
    font-size:9px;
  }

  .lignumChatFab__title{
    font-size:16px;
  }
}

@media (max-width:480px){
  .lignumChatFab{
    right:12px;
    bottom:12px;
    left:auto;
    gap:9px;
    padding:10px 12px 10px 10px;
  }

  .lignumChatFab__icon{
    width:42px;
    height:42px;
  }

  .lignumChatFab__title{
    font-size:15px;
  }
}

@media (prefers-reduced-motion: reduce){
  .lignumChatFab{
    transition:none !important;
  }

  .lignumChatFab:hover,
  .lignumChatFab:active{
    transform:none !important;
  }
}/* =========================================================
   LIGNUM — CORE (global) [REFINED / FULL WIDTH EDITION]
   Tokens / Base / Background / Layout / Nav / Footer / Panels / A11y

   Direction
   - deep forest archive
   - gold / black / gold frame system
   - wider stage
   - cleaner spacing
   - stable class names
   ========================================================= */

/* =========================================================
   TOKENS
   ========================================================= */
:root{
  /* Base palette */
  --bg:#0b0d0b;
  --bg-deep:#070808;
  --bg-panel:#162019;
  --bg-panel-2:#1b261f;
  --bg-panel-3:#223027;

  --fg:#f3efe4;
  --fg-soft:rgba(243,239,228,.76);
  --fg-dim:rgba(243,239,228,.56);
  --fg-faint:rgba(243,239,228,.42);

  --gold:#c8a24d;
  --gold-soft:#d4b56f;
  --gold-dim:rgba(200,162,77,.52);
  --gold-line:rgba(200,162,77,.34);
  --gold-line-soft:rgba(200,162,77,.20);

  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.05);

  --ink-black:#121212;
  --ink-deep:#0d0d0d;

  /* Frame system */
  --frame-gold:#c8a24d;
  --frame-gold-soft:rgba(200,162,77,.92);
  --frame-black:#0a0a0a;
  --frame-black-soft:rgba(0,0,0,.76);

  /* Layout */
  --max:min(1680px, calc(100vw - 32px));
  --max-ultra:min(1800px, calc(100vw - 40px));
  --frameR:22px;

  /* Shadows */
  --shadow:0 32px 120px rgba(0,0,0,.38);
  --shadow2:0 18px 56px rgba(0,0,0,.28);
  --shadow3:0 10px 28px rgba(0,0,0,.22);

  /* Background image */
  --bg-img:url("/assets/pc-home/bg-leather-brown.webp");

  /* Cards / Panels */
  --card-bg:#1a241d;
  --card-bg2:#202d24;
  --card-bg3:#26342b;
  --card-fg:#f3efe4;
  --card-line:rgba(200,162,77,.26);

  --card-shadow:0 20px 70px rgba(0,0,0,.30);
  --card-inset:inset 0 1px 0 rgba(255,255,255,.04);

  /* Links */
  --link-ink:rgba(243,239,228,.86);
  --link-ink-hover:#ffffff;

  /* Typography */
  --font-display:
    "Cormorant Garamond",
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    Garamond,
    serif;

  --font-body:
    "Spectral",
    "Noto Serif KR",
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    serif;

  --txt-11:clamp(12px, 0.9vw, 13px);
  --txt-12:clamp(13px, 1.0vw, 14px);
  --txt-13:clamp(14px, 1.05vw, 15px);
  --txt-14:clamp(15px, 1.15vw, 17px);
  --txt-16:clamp(16px, 1.25vw, 18px);
  --txt-18:clamp(18px, 1.45vw, 20px);

  /* Decorative */
  --double-frame-gap:10px;
}

/* =========================================================
   BASE
   ========================================================= */
*{ box-sizing:border-box; }

html,body{ height:100%; }
html{ position:relative; }

body{
  margin:0;
  color:var(--fg);
  background:var(--bg);

  font-family:var(--font-body);
  font-size:var(--txt-14);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;

  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::selection{
  background:rgba(200,162,77,.24);
  color:#fff;
}

img,
svg,
video,
canvas{
  display:block;
  max-width:100%;
}

/* =========================================================
   BACKGROUND LAYERS
   ========================================================= */
html::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-4;
  pointer-events:none;

  background:
    linear-gradient(180deg, rgba(0,0,0,.60), rgba(0,0,0,.68)),
    radial-gradient(1200px 700px at 50% 12%, rgba(200,162,77,.08), rgba(0,0,0,0) 58%),
    var(--bg-img);

  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-3;
  pointer-events:none;

  background:
    linear-gradient(180deg, rgba(5,6,5,.24), rgba(5,6,5,.38)),
    radial-gradient(900px 500px at 50% 28%, rgba(255,255,255,.03), rgba(255,255,255,0) 62%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;

  background:
    radial-gradient(circle at center,
      rgba(0,0,0,0) 38%,
      rgba(0,0,0,.16) 72%,
      rgba(0,0,0,.28) 100%);
}

/* =========================================================
   WRAP
   ========================================================= */
.wrap{
  position:relative;
  z-index:1;

  width:var(--max);
  max-width:none;

  margin:14px auto 0;
  padding:42px 18px 96px;

  background:
    linear-gradient(180deg, rgba(23,31,25,.92), rgba(20,28,22,.95));

  border:2px solid var(--frame-gold);
  border-radius:var(--frameR);

  box-shadow:
    0 0 0 4px var(--frame-black),
    0 0 0 6px var(--frame-gold-soft),
    var(--shadow);

  opacity:1;
  transform:translateY(0);
  transition:opacity .65s ease, transform .65s ease;
  will-change:opacity, transform;
}

.wrap::before{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:calc(var(--frameR) - 18px);
  border:1px solid rgba(200,162,77,.18);
  pointer-events:none;
}

.wrap::after{
  content:"";
  position:absolute;
  inset:28px;
  border-radius:calc(var(--frameR) - 28px);
  border:1px solid rgba(255,255,255,.03);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.02),
    inset 0 0 120px rgba(255,255,255,.02);
  pointer-events:none;
}

.wrap > *{
  position:relative;
  z-index:2;
}

@media (min-width:1600px){
  .wrap{
    width:var(--max-ultra);
  }
}

@media (max-width:768px){
  .wrap{
    width:calc(100vw - 12px);
    max-width:none;
    margin:8px auto 0;
    padding:24px 10px 72px;
    border-radius:18px;
    border:2px solid var(--frame-gold);

    box-shadow:
      0 0 0 4px var(--frame-black),
      0 0 0 6px var(--frame-gold-soft),
      var(--shadow2);
  }

  .wrap::before{
    inset:10px;
    border-radius:calc(18px - 10px);
  }

  .wrap::after{
    inset:16px;
    border-radius:calc(18px - 16px);
  }
}

/* =========================================================
   DIVIDER
   ========================================================= */
.hairline{
  height:1px;
  margin:12px 0;
  background:
    linear-gradient(
      90deg,
      rgba(200,162,77,0) 0%,
      rgba(200,162,77,.42) 18%,
      rgba(200,162,77,.42) 82%,
      rgba(200,162,77,0) 100%
    );
}

/* =========================================================
   TOP BAR
   ========================================================= */
.topbar{
  padding:14px 2px 10px;
}

.topbar .topbarInner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:64px;
}

.topbar .brandCenter{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  margin-left:0;
}

.topbar .brandCenter a{
  display:flex;
  align-items:center;
  gap:12px;
  line-height:1;
  color:inherit;
  text-decoration:none;
}

.topbar .brandMark{
  width:32px;
  height:32px;
  display:block;
  flex:0 0 auto;
  object-fit:contain;
  filter:none !important;
  mix-blend-mode:normal !important;
  opacity:1 !important;
  transform:none !important;
  -webkit-transform:none !important;
  image-rendering:auto;
}

.topbar .brandWord{
  display:block;
  padding-top:1px;
  color:var(--fg);
  font-family:var(--font-display);
  font-size:20px;
  font-weight:600;
  line-height:1;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-kerning:normal;
}

.topbar .topNav{
  position:relative;
  left:0;
  display:flex;
  justify-content:flex-end;
  gap:18px;
  flex-wrap:nowrap;
}

@media (min-width:721px){
  .topbar .topNav{
    left:-18px;
  }
}

.topbar .topNav a{
  position:relative;
  padding:0 !important;
  border:none !important;
  border-radius:0 !important;
  background:transparent !important;
  box-shadow:none !important;

  color:var(--fg-dim);
  font-family:var(--font-body);
  font-size:11px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.12em;
  text-decoration:none;
  text-transform:uppercase;
  transform:none !important;
  transition:color .18s ease, opacity .18s ease;
}

.topbar .topNav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:100%;
  height:1px;
  background:var(--gold);
  opacity:.9;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}

.topbar .topNav a:hover,
.topbar .topNav a.is-active{
  color:var(--fg);
}

.topbar .topNav a:hover::after,
.topbar .topNav a.is-active::after{
  transform:scaleX(1);
}

@media (max-width:720px){
  .topbar .topbarInner{
    min-height:56px;
  }

  .topbar .brandMark{
    width:28px;
    height:28px;
  }

  .topbar .brandWord{
    font-size:17px;
    letter-spacing:.16em;
  }

  .topbar .topNav{
    gap:14px;
    left:0;
    justify-content:center;
  }
}

@media (max-width:520px){
  .topbar{
    padding:0;
  }

  .topbar .topbarInner{
    flex-direction:column;
    justify-content:center;
    gap:12px;
    padding:14px 12px;
  }

  .topbar .brandCenter{
    width:100%;
    justify-content:center;
  }

  .topbar .topNav{
    width:100%;
    left:0;
    justify-content:center;
    gap:14px;
    flex-wrap:wrap;
  }

  .topbar .topNav a{
    font-size:11px;
    letter-spacing:.14em;
  }
}

@media (max-width:360px){
  .topbar .brandWord{
    font-size:15px;
    letter-spacing:.08em;
  }

  .topbar .topNav a{
    font-size:10px;
    letter-spacing:.05em;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;

  margin-top:48px;
  padding-top:20px;

  border-top:1px solid var(--gold-line-soft);
  color:var(--fg-faint);
  font-size:11px;
  letter-spacing:.12em;
}

.contact{
  color:var(--fg-soft);
}

/* =========================================================
   PAGE TRANSITION
   ========================================================= */
.wrap.is-leaving{
  opacity:0;
  transform:translateY(-10px);
}

.wrap.is-entering{
  opacity:0;
  transform:translateY(14px);
}

.wrap.is-entering.is-ready{
  opacity:1;
  transform:translateY(0);
}

@media (prefers-reduced-motion: reduce){
  .wrap{
    transition:none !important;
    transform:none !important;
  }

  .wrap.is-leaving,
  .wrap.is-entering{
    opacity:1 !important;
  }
}

/* =========================================================
   GLOBAL INTERACTION SAFETY
   ========================================================= */
@media (hover:none){
  .featureBtn:hover,
  .inlineLink:hover,
  .purposeBtn:hover,
  .filterBtn:hover{
    transform:none !important;
  }
}

/* =========================================================
   FOCUS
   ========================================================= */
.archiveCard:focus-visible,
.purposeBtn:focus-visible,
.filterBtn:focus-visible,
.featureBtn:focus-visible,
.inlineLink:focus-visible,
.topbar .topNav a:focus-visible{
  outline:1px solid var(--gold);
  outline-offset:4px;
}

/* =========================================================
   CORE HELPERS
   ========================================================= */
.noWrap{
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}

.descOneLine{
  display:block;
  margin-top:6px;
  overflow:visible;
  white-space:nowrap;
  text-overflow:clip;
}

.vStack{
  display:flex;
  flex-direction:column;
  gap:6px;
  text-align:right;
}

.vLine{
  display:grid;
  grid-template-columns:1fr auto auto;
  gap:10px;
  align-items:baseline;
}

.vLeft{
  color:var(--fg);
  opacity:.94;
}

.vMid{
  color:var(--fg-soft);
  opacity:.50;
}

.vRight{
  color:var(--fg);
  font-variant-numeric:tabular-nums;
}

.vHint{
  margin-top:6px;
  color:var(--fg-soft);
  font-size:11px;
  line-height:1.55;
  letter-spacing:.05em;
  opacity:.52;
}

/* =========================================================
   GLOBAL CTA — TEXT MODE
   ========================================================= */
.featureBtn,
.inlineLink,
.purposeBtn,
.filterBtn{
  position:relative;
  padding:0 !important;
  height:auto !important;
  border:none !important;
  border-radius:0 !important;
  background:transparent !important;
  box-shadow:none !important;

  color:var(--link-ink);
  font-family:var(--font-body);
  font-weight:500;
  letter-spacing:.01em;
  text-decoration:none;
  transform:none !important;
  transition:color .18s ease, opacity .18s ease;
}

.featureBtn::after,
.inlineLink::after,
.purposeBtn::after,
.filterBtn::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-6px;
  width:100%;
  height:1px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}

.featureBtn:hover,
.inlineLink:hover,
.purposeBtn:hover,
.filterBtn:hover{
  color:var(--link-ink-hover);
}

.featureBtn:hover::after,
.inlineLink:hover::after,
.purposeBtn:hover::after,
.filterBtn:hover::after{
  transform:scaleX(1);
}

/* =========================================================
   GLOBAL PANELS / CARDS
   ========================================================= */
.featureFrame,
.archiveCard,
.traceCard,
.systemCard{
  position:relative;
  color:var(--card-fg);
  background:
    linear-gradient(180deg, var(--card-bg2), var(--card-bg));
  border:1px solid var(--card-line);
  box-shadow:var(--card-shadow), var(--card-inset);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
}

.featureFrame::before,
.archiveCard::before,
.traceCard::before,
.systemCard::before{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(200,162,77,.28);
  border-radius:inherit;
  pointer-events:none;
}

.featureFrame::after,
.archiveCard::after,
.traceCard::after,
.systemCard::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0) 28%);
  pointer-events:none;
}

.featureCard p,
.traceCard p,
.archiveCard p,
.systemCard p{
  color:var(--fg-soft);
  font-family:var(--font-body);
  font-size:var(--txt-14);
  font-weight:400;
  line-height:1.72;
  letter-spacing:.004em;
}

/* =========================================================
   ARCHIVE THUMBNAILS
   ========================================================= */
.archiveCard.hasThumb{
  position:relative;
  overflow:hidden;
  border-color:rgba(200,162,77,.28);
  background:
    linear-gradient(
      180deg,
      rgba(17,22,18,.22) 0%,
      rgba(17,22,18,.14) 38%,
      rgba(17,22,18,.70) 100%
    ),
    var(--card-img);
  background-size:cover;
  background-position:center;
}

.archiveCard.hasThumb > *{
  position:relative;
  z-index:1;
}

/* =========================================================
   TYPOGRAPHIC DEFAULTS
   ========================================================= */
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--fg);
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.1;
  letter-spacing:-.01em;
}

p{
  margin:0;
  color:var(--fg-soft);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.004em;
}

small{
  color:var(--fg-dim);
}

strong{
  color:#fff;
  font-weight:700;
}

a{
  color:inherit;
}

/* =========================================================
   FORM / INPUT BASE SAFETY
   ========================================================= */
input,
textarea,
select,
button{
  font:inherit;
}

input,
textarea,
select{
  color:var(--fg);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
}

input::placeholder,
textarea::placeholder{
  color:rgba(243,239,228,.36);
}

/* =========================================================
   SCROLLBAR
   ========================================================= */
*{
  scrollbar-width:thin;
  scrollbar-color:rgba(200,162,77,.55) rgba(255,255,255,.05);
}

*::-webkit-scrollbar{
  width:10px;
  height:10px;
}

*::-webkit-scrollbar-track{
  background:rgba(255,255,255,.04);
}

*::-webkit-scrollbar-thumb{
  background:rgba(200,162,77,.45);
  border:2px solid rgba(0,0,0,.18);
  border-radius:999px;
}

*::-webkit-scrollbar-thumb:hover{
  background:rgba(200,162,77,.68);
}

/* =========================================================
   RESPONSIVE TYPOGRAPHY
   ========================================================= */
@media (max-width:768px){
  html::before,
  body::before,
  body::after{
    transform:none !important;
  }

  body{
    font-size:15.5px;
    line-height:1.8;
    letter-spacing:0;
  }

  h1,h2,h3{
    line-height:1.12;
    letter-spacing:-.01em;
  }

  .topbar .brandWord{
    font-size:17px;
    letter-spacing:.10em;
  }

  .topbar .topNav a{
    font-size:11px;
    letter-spacing:.06em;
  }

  .featureCard p,
  .traceCard p,
  .archiveCard p,
  .systemCard p,
  p{
    font-size:15px;
    line-height:1.78;
    letter-spacing:0;
  }
}

/* =========================================================
   LIGNUM FLOATING CHAT — OPEN KAKAO
   ========================================================= */
.lignumChatFab{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:9999;

  display:flex;
  align-items:center;
  gap:12px;

  min-width:unset;
  max-width:min(320px, calc(100vw - 28px));
  padding:12px 16px 12px 12px;

  overflow:hidden;
  isolation:isolate;

  color:var(--fg);
  text-decoration:none;

  background:
    linear-gradient(180deg, rgba(28,37,31,.96), rgba(20,28,22,.98));
  border:1px solid rgba(200,162,77,.42);
  border-radius:18px;

  box-shadow:
    0 0 0 2px rgba(0,0,0,.72),
    0 0 0 3px rgba(200,162,77,.22),
    0 18px 50px rgba(0,0,0,.38);

  transition:
    transform .22s ease,
    box-shadow .22s ease,
    border-color .22s ease,
    opacity .22s ease;
}

.lignumChatFab::before{
  content:"";
  position:absolute;
  inset:8px;
  border:1px solid rgba(200,162,77,.18);
  border-radius:12px;
  pointer-events:none;
}

.lignumChatFab::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0) 42%);
  pointer-events:none;
}

.lignumChatFab:hover{
  transform:translateY(-2px);
  border-color:rgba(212,181,111,.62);
  box-shadow:
    0 0 0 2px rgba(0,0,0,.78),
    0 0 0 3px rgba(200,162,77,.30),
    0 24px 64px rgba(0,0,0,.44);
}

.lignumChatFab:active{
  transform:translateY(0);
}

.lignumChatFab:focus-visible{
  outline:1px solid var(--gold);
  outline-offset:4px;
}

.lignumChatFab__icon{
  position:relative;
  z-index:1;
  flex:0 0 auto;
  width:52px;
  height:52px;
  overflow:hidden;
  border:1px solid rgba(200,162,77,.34);
  border-radius:50%;
  background:#050505;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.03),
    0 10px 24px rgba(0,0,0,.30);
}

.lignumChatFab__icon img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}

.lignumChatFab__text{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  min-width:0;
}

.lignumChatFab__eyebrow{
  margin-bottom:5px;
  color:var(--fg-faint);
  font-size:10px;
  font-weight:600;
  line-height:1;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.lignumChatFab__title{
  color:var(--fg);
  font-family:var(--font-display);
  font-size:18px;
  font-weight:600;
  line-height:1.05;
  letter-spacing:.02em;
  white-space:nowrap;
}

@media (max-width:768px){
  .lignumChatFab{
    right:14px;
    bottom:14px;
    gap:10px;
    padding:10px 14px 10px 10px;
    max-width:calc(100vw - 16px);
    border-radius:16px;
  }

  .lignumChatFab::before{
    inset:7px;
    border-radius:11px;
  }

  .lignumChatFab__icon{
    width:46px;
    height:46px;
  }

  .lignumChatFab__eyebrow{
    margin-bottom:4px;
    font-size:9px;
  }

  .lignumChatFab__title{
    font-size:16px;
  }
}

@media (max-width:480px){
  .lignumChatFab{
    right:12px;
    bottom:12px;
    left:auto;
    gap:9px;
    padding:10px 12px 10px 10px;
  }

  .lignumChatFab__icon{
    width:42px;
    height:42px;
  }

  .lignumChatFab__title{
    font-size:15px;
  }
}

@media (prefers-reduced-motion: reduce){
  .lignumChatFab{
    transition:none !important;
  }

  .lignumChatFab:hover,
  .lignumChatFab:active{
    transform:none !important;
  }
}