/* ============================================================
   퍼니스퀘어 회사 사이트 — 디자인 시스템
   다크 전용. 라이트 모드는 운영하지 않습니다.
   index.html 과 contact/index.html 이 공유합니다.
   ============================================================ */
/* ============================================================
   0. Tokens
   ============================================================ */
:root{
  --warn:#FF6B58;
  --bg:#07080B;
  --bg-2:#0B0D12;
  --bg-3:#101318;
  --panel:rgba(255,255,255,.030);
  --panel-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.20);
  --fg:#F4F6FA;
  --fg-2:#9AA1B1;
  --fg-3:#5E6575;
  --inv:#07080B;

  --echo:#2FD4F5;
  --gleaum-a:#14DD8C;
  --gleaum-b:#0E9BE6;
  --mung:#FFA23E;

  --grid:rgba(255,255,255,.045);
  --shadow:0 1px 0 rgba(255,255,255,.05) inset, 0 30px 70px -40px rgba(0,0,0,.9);

  --wrap:1200px;
  --pad:clamp(20px, 5vw, 48px);
  --r:18px;
  --r-lg:26px;
  --mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", system-ui, sans-serif;
}

/* ============================================================
   1. Reset & base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:88px}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  letter-spacing:-.012em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .5s ease, color .5s ease;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:var(--fg);color:var(--bg)}
:focus-visible{outline:2px solid var(--echo);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--fg);color:var(--bg);padding:12px 18px;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ============================================================
   2. Typography helpers
   ============================================================ */
.eyebrow{
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--fg-3);
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:currentColor;flex:none;opacity:.6;
}
.eyebrow--plain::before{display:none}

h1,.h1{
  font-size:clamp(2.7rem, 7.4vw, 5.6rem);
  line-height:1.02;
  letter-spacing:-.045em;
  font-weight:800;
}
h2,.h2{
  font-size:clamp(1.9rem, 4.2vw, 3.2rem);
  line-height:1.12;
  letter-spacing:-.038em;
  font-weight:750;
}
h3,.h3{
  font-size:clamp(1.25rem, 2.1vw, 1.7rem);
  line-height:1.25;
  letter-spacing:-.028em;
  font-weight:700;
}
.lede{
  font-size:clamp(1.02rem, 1.5vw, 1.22rem);
  line-height:1.72;
  color:var(--fg-2);
  font-weight:380;
  max-width:56ch;
}
.small{font-size:.905rem;line-height:1.7;color:var(--fg-2);font-weight:380}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.dim{color:var(--fg-2)}
.faint{color:var(--fg-3)}

/* ============================================================
   3. Nav
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;
  transition:background .35s ease, border-color .35s ease, backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom-color:var(--line);
}
.nav__bar{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:none;color:var(--fg)}
.brand__mark{width:34px}
.brand__mark img{width:100%;height:auto}
.brand__word{width:104px;display:none}
@media (min-width:420px){ .brand__word{display:block} }
.brand__word img{width:100%;height:auto}
.brand__mark img,.brand__word img,.foot__mark img,.foot__word img,.hero__cube img{width:100%;height:auto;display:block}

.nav__links{display:none;margin-left:auto;gap:4px;align-items:center}
@media (min-width:940px){ .nav__links{display:flex} }
.nav__links a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:.895rem;font-weight:520;color:var(--fg-2);
  transition:color .2s, background .2s;
}
.nav__links a:hover{color:var(--fg);background:var(--panel)}
.nav__links a.is-active{color:var(--fg)}
.nav__links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:1.5px;
  background:var(--fg);border-radius:2px;
}
.nav__actions{display:flex;align-items:center;gap:8px;margin-left:auto}
@media (min-width:940px){ .nav__actions{margin-left:14px} }

.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  border:1px solid var(--line);color:var(--fg-2);
  transition:color .2s, border-color .2s, background .2s;
}
.icon-btn:hover{color:var(--fg);border-color:var(--line-2);background:var(--panel)}
.icon-btn svg{width:17px;height:17px}
#menuBtn{display:grid}
@media (min-width:940px){ #menuBtn{display:none} }

.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:999px;
  font-size:.93rem;font-weight:640;letter-spacing:-.01em;
  border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.8,.2,1), background .2s, border-color .2s, color .2s, box-shadow .2s;
  will-change:transform;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--solid{background:var(--fg);color:var(--bg)}
.btn--solid:hover{box-shadow:0 14px 34px -16px color-mix(in srgb, var(--fg) 60%, transparent)}
.btn--ghost{border-color:var(--line-2);color:var(--fg)}
.btn--ghost:hover{background:var(--panel);border-color:var(--fg)}
.btn--sm{padding:10px 18px;font-size:.87rem}
.btn .arr{transition:transform .22s cubic-bezier(.2,.8,.2,1)}
.btn:hover .arr{transform:translateX(4px)}

.nav__progress{height:1.5px;background:transparent;position:relative;overflow:hidden}
.nav__progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--echo),var(--gleaum-a),var(--mung));
  transition:width .1s linear;
}

/* mobile sheet */
.sheet{
  position:fixed;inset:0;z-index:99;
  background:color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:center;
  padding:96px var(--pad) var(--pad);
  opacity:0;visibility:hidden;transition:opacity .3s, visibility .3s;
}
.sheet.is-open{opacity:1;visibility:visible}
.sheet a{
  display:flex;align-items:baseline;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
  font-size:1.6rem;font-weight:700;letter-spacing:-.035em;
}
.sheet a span{font-family:var(--mono);font-size:.72rem;color:var(--fg-3);letter-spacing:.16em}

/* ============================================================
   4. Section frame
   ============================================================ */
.sec{position:relative;padding-block:clamp(80px,11vw,150px)}
.sec--tight{padding-block:clamp(60px,8vw,100px)}
.sec__head{max-width:760px;margin-bottom:clamp(40px,6vw,68px)}
.sec__head .eyebrow{margin-bottom:22px}
.sec__head h2{margin-bottom:22px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){ .rv{opacity:1;transform:none;transition:none} }

/* ============================================================
   5. Hero
   ============================================================ */
.hero{
  position:relative;
  min-height:min(100svh, 900px);
  display:flex;flex-direction:column;justify-content:center;
  padding-top:120px;
  overflow:hidden;
}
.hero__bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero__grid{
  position:absolute;inset:-2px;
  background-image:linear-gradient(var(--grid) 1px, transparent 1px),
                   linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:74px 74px;
  mask-image:radial-gradient(120% 88% at 62% 30%, #000 12%, transparent 74%);
  -webkit-mask-image:radial-gradient(120% 88% at 62% 30%, #000 12%, transparent 74%);
}
.hero__glow{
  position:absolute;width:min(1000px,120vw);aspect-ratio:1;
  right:-16%;top:-34%;
  background:
    radial-gradient(circle at 34% 40%, color-mix(in srgb, var(--echo) 26%, transparent), transparent 58%),
    radial-gradient(circle at 66% 58%, color-mix(in srgb, var(--gleaum-b) 22%, transparent), transparent 58%),
    radial-gradient(circle at 52% 76%, color-mix(in srgb, var(--mung) 16%, transparent), transparent 56%);
  filter:blur(70px);
  opacity:.62;
  animation:drift 26s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-5%,4%,0) scale(1.1)}
}
.hero__cube{
  position:absolute;right:2%;top:14%;width:min(460px,44vw);
  color:var(--fg);opacity:.10;
  animation:bob 9s ease-in-out infinite alternate;
}
@keyframes bob{ from{transform:translateY(-10px) rotate(-1.5deg)} to{transform:translateY(14px) rotate(1.5deg)} }
@media (max-width:860px){ .hero__cube{display:none} }
@media (prefers-reduced-motion: reduce){ .hero__glow,.hero__cube{animation:none} }

.hero__in{position:relative;padding-bottom:clamp(48px,7vw,86px)}
.hero h1{margin:26px 0 30px;max-width:16ch}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg, var(--echo), var(--gleaum-a) 46%, var(--mung));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lede{max-width:50ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}

.hero__strip{
  position:relative;margin-top:auto;border-top:1px solid var(--line);
  background:color-mix(in srgb, var(--bg-2) 70%, transparent);
  backdrop-filter:blur(10px);
}
.hero__strip ul{display:grid;grid-template-columns:1fr}
@media (min-width:760px){ .hero__strip ul{grid-template-columns:repeat(3,1fr)} }
.hero__strip li + li{border-top:1px solid var(--line)}
@media (min-width:760px){ .hero__strip li + li{border-top:0;border-left:1px solid var(--line)} }
.hero__strip a{
  display:flex;align-items:center;gap:14px;padding:22px 4px;
  transition:background .25s, padding-left .25s;
}
.hero__strip a:hover{background:var(--panel);padding-left:12px}
.hero__strip .nm{font-weight:700;letter-spacing:-.02em}
.hero__strip .ko{color:var(--fg-2);font-size:.9rem}
.hero__strip .arr{margin-left:auto;color:var(--fg-3);transition:transform .22s, color .22s}
.hero__strip a:hover .arr{transform:translateX(4px);color:var(--fg)}

.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none;position:relative}
.dot::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  background:currentColor;opacity:.22;animation:pulse 2.6s ease-out infinite;
}
.dot--idle::after{animation:none;opacity:.12}
@keyframes pulse{ 0%{transform:scale(.6);opacity:.35} 70%,100%{transform:scale(1.5);opacity:0} }

.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:10.5px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;
  border:1px solid currentColor;
}
.tag--soft{border-color:var(--line);color:var(--fg-3)}

/* ============================================================
   6. Marquee
   ============================================================ */
.marq{
  border-block:1px solid var(--line);
  overflow:hidden;padding-block:18px;
  background:var(--bg-2);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marq__track{display:flex;width:max-content;animation:slide 44s linear infinite}
.marq:hover .marq__track{animation-play-state:paused}
@keyframes slide{ to{transform:translateX(-50%)} }
.marq__track span{
  font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--fg-3);padding-inline:26px;display:flex;align-items:center;gap:26px;white-space:nowrap;
}
.marq__track span::after{content:"◆";font-size:7px;opacity:.5}
@media (prefers-reduced-motion: reduce){ .marq__track{animation:none} }

/* ============================================================
   7. Philosophy
   ============================================================ */
.quote{
  position:relative;
  margin:clamp(40px,6vw,64px) 0 0;
  padding:clamp(30px,4.4vw,52px) clamp(26px,4vw,54px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg, var(--panel), transparent 65%);
  overflow:hidden;
}
.quote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--echo),var(--gleaum-a),var(--mung));
}
.quote p{
  font-size:clamp(1.2rem,2.5vw,1.85rem);line-height:1.5;letter-spacing:-.032em;
  font-weight:600;max-width:30ch;
}
.quote p strong{color:var(--fg);font-weight:800}
.quote cite{display:block;margin-top:20px;font-style:normal;font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--fg-3);text-transform:uppercase}

.values{
  display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  margin-top:clamp(40px,6vw,64px);
}
@media (min-width:820px){ .values{grid-template-columns:repeat(3,1fr)} }
.value{
  background:var(--bg);padding:clamp(26px,3.4vw,38px);
  display:flex;flex-direction:column;gap:14px;
  transition:background .3s;position:relative;
}
.value:hover{background:var(--bg-3)}
.value__no{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--fg-3)}
.value h3{font-size:1.28rem;letter-spacing:-.03em;color:var(--fg)}
.value p{color:var(--fg-2);font-size:.94rem;line-height:1.7;font-weight:380}
.value__link{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--vc, var(--fg));
}
.value__link .arr{transition:transform .22s}
.value:hover .value__link .arr{transform:translateX(4px)}

/* ============================================================
   8. Ecosystem
   ============================================================ */
.eco{display:grid;gap:22px}
@media (min-width:900px){ .eco{grid-template-columns:repeat(3,1fr);gap:26px} }
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);padding:clamp(24px,3vw,34px);
  transition:border-color .35s, transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(90% 60% at 50% -10%, color-mix(in srgb, var(--ac,var(--fg)) 16%, transparent), transparent 70%);
  opacity:0;transition:opacity .4s;
}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb, var(--ac,var(--fg)) 42%, var(--line));box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card > *{position:relative}

.eco .card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.eco .idx{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--fg-3)}
.eco h3{margin-bottom:6px;color:var(--fg)}
.eco .en{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ac);margin-bottom:20px}
.spec{border-top:1px solid var(--line)}
.spec div{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.885rem}
.spec div:last-child{border-bottom:0}
.spec dt{flex:none;width:56px;color:var(--fg-3);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;padding-top:3px}
.spec dd{margin:0;color:var(--fg-2);font-weight:400;line-height:1.6}

.infra-bar{
  margin-top:26px;position:relative;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);
  padding:clamp(24px,3vw,32px);
  display:grid;gap:22px;
}
@media (min-width:880px){ .infra-bar{grid-template-columns:minmax(0,240px) 1fr;align-items:center;gap:38px} }
.infra-bar::before{
  content:"";position:absolute;left:0;right:0;top:-27px;height:26px;
  background:
    linear-gradient(var(--line),var(--line)) 16.6% 0/1px 100% no-repeat,
    linear-gradient(var(--line),var(--line)) 50% 0/1px 100% no-repeat,
    linear-gradient(var(--line),var(--line)) 83.3% 0/1px 100% no-repeat;
}
@media (max-width:899px){ .infra-bar::before{display:none} }
.infra-bar h3{font-size:1.15rem}
.infra-bar .kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-3);margin-bottom:8px}
.infra-list{display:grid;gap:10px}
@media (min-width:620px){ .infra-list{grid-template-columns:repeat(3,1fr)} }
.infra-list li{
  border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  font-size:.87rem;color:var(--fg-2);background:var(--bg-3);
  display:flex;align-items:center;gap:10px;
}
.infra-list b{color:var(--fg);font-weight:600}

/* ============================================================
   9. Product sections
   ============================================================ */
.prod{position:relative;overflow:hidden;border-top:1px solid var(--line)}
.prod::before{
  content:"";position:absolute;left:50%;top:0;translate:-50% 0;
  width:min(1100px,120vw);height:520px;pointer-events:none;
  background:radial-gradient(60% 100% at 50% 0%, color-mix(in srgb, var(--ac) 17%, transparent), transparent 72%);
}
.prod .wrap{position:relative}
.prod__head{display:grid;gap:26px;margin-bottom:clamp(40px,5.5vw,66px)}
@media (min-width:940px){ .prod__head{grid-template-columns:1.05fr .95fr;gap:56px;align-items:end} }
.prod__no{
  font-family:var(--mono);font-size:clamp(3.2rem,8vw,5.4rem);font-weight:700;
  line-height:.85;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1px var(--line-2);
  margin-bottom:16px;
}
.prod__title{display:flex;align-items:baseline;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.prod__title h2{letter-spacing:-.042em}
.prod__title .ko{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--fg-2);font-weight:500}
.prod__claim{
  font-size:clamp(1.35rem,2.8vw,2.05rem);line-height:1.35;letter-spacing:-.035em;
  font-weight:700;margin-bottom:20px;
}
.prod__en{
  font-family:var(--mono);font-size:.86rem;letter-spacing:.02em;
  color:var(--ac);margin-bottom:22px;
}

.grid-2{display:grid;gap:20px}
@media (min-width:720px){ .grid-2{grid-template-columns:repeat(2,1fr)} }
.grid-3{display:grid;gap:20px}
@media (min-width:720px){ .grid-3{grid-template-columns:repeat(3,1fr)} }
.grid-4{display:grid;gap:16px}
@media (min-width:600px){ .grid-4{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1000px){ .grid-4{grid-template-columns:repeat(4,1fr)} }

.pill-card{
  border:1px solid var(--line);border-radius:var(--r);
  background:var(--bg-2);padding:24px;
  transition:border-color .3s, background .3s, transform .3s cubic-bezier(.2,.8,.2,1);
}
.pill-card:hover{border-color:color-mix(in srgb,var(--ac) 45%,var(--line));background:var(--bg-3);transform:translateY(-3px)}
.pill-card .n{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ac);display:block;margin-bottom:12px}
.pill-card h4{font-size:1.02rem;font-weight:700;letter-spacing:-.022em;margin:0 0 8px}
.pill-card p{font-size:.885rem;line-height:1.68;color:var(--fg-2);font-weight:380;margin:0}

.featrow{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (min-width:820px){ .featrow{grid-template-columns:repeat(var(--cols,2),1fr)} }
.featrow > li{background:var(--bg-2);padding:clamp(22px,2.8vw,30px);display:flex;gap:16px;transition:background .3s}
.featrow > li:hover{background:var(--bg-3)}
.featrow .ic{
  flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid color-mix(in srgb,var(--ac) 40%,transparent);
  color:var(--ac);background:color-mix(in srgb,var(--ac) 9%,transparent);
}
.featrow .ic svg{width:17px;height:17px}
.featrow h4{font-size:1rem;font-weight:700;margin:0 0 6px;letter-spacing:-.022em}
.featrow p{margin:0;font-size:.885rem;line-height:1.68;color:var(--fg-2);font-weight:380}

/* external service links */
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.linkbtn{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg-2);
  font-size:.88rem;font-weight:620;letter-spacing:-.014em;
  transition:border-color .25s, background .25s, transform .25s cubic-bezier(.2,.8,.2,1);
}
.linkbtn:hover{border-color:color-mix(in srgb,var(--ac) 55%,var(--line));background:var(--bg-3);transform:translateY(-2px)}
.linkbtn > svg{width:15px;height:15px;color:var(--ac);flex:none}
.linkbtn .ext{width:11px;height:11px;color:var(--fg-3);transition:transform .22s, color .22s}
.linkbtn:hover .ext{transform:translate(2px,-2px);color:var(--fg)}

/* in-development notice */
.notice{
  border:1px dashed color-mix(in srgb,var(--ac) 45%,var(--line));
  border-radius:var(--r-lg);background:var(--bg-2);
  padding:clamp(26px,3.4vw,42px);
}
.notice .kicker{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ac);margin-bottom:14px;display:flex;align-items:center;gap:9px;
}
.notice h3{margin-bottom:12px}
.notice p{color:var(--fg-2);font-size:.94rem;line-height:1.72;font-weight:380;max-width:60ch}
.notice .btn{margin-top:26px}

/* sport / phase chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:flex;align-items:center;gap:9px;
  border:1px solid var(--line);border-radius:999px;padding:9px 16px;
  font-size:.88rem;font-weight:560;background:var(--bg-2);
  transition:border-color .25s, transform .25s;
}
.chip:hover{border-color:color-mix(in srgb,var(--ac) 45%,var(--line));transform:translateY(-2px)}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--ac);flex:none}
.chip.is-next i{opacity:.5}
.chip.is-future i{opacity:.22}
.chip small{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--fg-3);text-transform:uppercase}

/* ledger diagram (Gleaum) */
.ledger{display:grid;gap:14px;align-items:stretch}
@media (min-width:860px){ .ledger{grid-template-columns:1fr 62px 1fr;gap:0} }
.ledger__box{
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg-2);
  padding:clamp(22px,3vw,30px);
}
.ledger__box .kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-3);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.ledger__box h4{font-size:1.08rem;margin:0 0 14px;font-weight:700;letter-spacing:-.024em}
.ledger__box li{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-size:.885rem;color:var(--fg-2)}
.ledger__box li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--ac);opacity:.7;flex:none}
.ledger__box .note{margin-top:16px;font-size:.8rem;color:var(--fg-3);font-family:var(--mono);letter-spacing:.02em}
.ledger__sync{display:grid;place-items:center;position:relative;padding:8px 0}
.ledger__sync span{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  border:1px solid color-mix(in srgb,var(--ac) 45%,var(--line));
  background:var(--bg);color:var(--ac);font-size:1.05rem;z-index:1;
}
.ledger__sync::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;translate:-50% 0;
  background:linear-gradient(180deg,transparent,var(--line) 22%,var(--line) 78%,transparent);
}
@media (min-width:860px){
  .ledger__sync::before{left:0;right:0;top:50%;bottom:auto;width:auto;height:1px;translate:0 -50%;
    background:linear-gradient(90deg,transparent,var(--line) 22%,var(--line) 78%,transparent)}
}

/* stats */
.stats{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (min-width:640px){ .stats{grid-template-columns:repeat(3,1fr)} }
.stat{background:var(--bg-2);padding:clamp(24px,3.2vw,34px)}
.stat .v{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(1.9rem,4.4vw,2.9rem);line-height:1;letter-spacing:-.04em;
  color:var(--ac);display:flex;align-items:baseline;gap:3px;margin-bottom:12px;
}
.stat .v small{font-size:.42em;font-weight:500;letter-spacing:0}
.stat .k{font-size:.87rem;color:var(--fg-2);line-height:1.55;font-weight:380}

/* problem list */
.probs{display:grid;gap:12px}
@media (min-width:800px){ .probs{grid-template-columns:repeat(3,1fr)} }
.prob{
  border:1px solid var(--line);border-left:2px solid color-mix(in srgb,var(--ac) 60%,transparent);
  border-radius:0 var(--r) var(--r) 0;background:var(--bg-2);padding:20px 22px;
}
.prob h4{font-size:.98rem;margin:0 0 6px;font-weight:700;letter-spacing:-.02em}
.prob p{margin:0;font-size:.87rem;color:var(--fg-2);line-height:1.65;font-weight:380}

/* steps */
.steps{counter-reset:s;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (min-width:960px){ .steps{grid-template-columns:repeat(4,1fr)} }
.step{background:var(--bg-2);padding:clamp(24px,3vw,30px);position:relative;counter-increment:s;transition:background .3s}
.step:hover{background:var(--bg-3)}
.step::before{
  content:counter(s,decimal-leading-zero);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;color:var(--ac);
  display:block;margin-bottom:16px;
}
.step h4{font-size:1rem;margin:0 0 8px;font-weight:700;letter-spacing:-.022em}
.step p{margin:0;font-size:.87rem;color:var(--fg-2);line-height:1.68;font-weight:380}

/* ============================================================
   10. Roadmap
   ============================================================ */
.road{position:relative;display:grid;gap:0}
@media (min-width:980px){ .road{grid-template-columns:repeat(4,1fr)} }
.road::before{
  content:"";position:absolute;left:0;top:11px;width:1px;height:calc(100% - 22px);
  background:linear-gradient(180deg,var(--echo),var(--gleaum-a),var(--mung),transparent);
}
@media (min-width:980px){
  .road::before{left:0;top:11px;width:100%;height:1px;
    background:linear-gradient(90deg,var(--echo),var(--gleaum-a),var(--mung),transparent)}
}
.phase{position:relative;padding:0 0 34px 30px}
@media (min-width:980px){ .phase{padding:34px 26px 0 0} }
.phase::before{
  content:"";position:absolute;left:-4.5px;top:5px;width:10px;height:10px;border-radius:50%;
  background:var(--bg);border:2px solid var(--pc,var(--fg));
}
@media (min-width:980px){ .phase::before{left:-1px;top:6px} }
.phase .p{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--pc,var(--fg-3));margin-bottom:12px}
.phase h3{font-size:1.12rem;margin-bottom:10px;letter-spacing:-.026em}
.phase p{font-size:.885rem;color:var(--fg-2);line-height:1.7;font-weight:380}

/* ============================================================
   11. CTA + footer
   ============================================================ */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:clamp(24px,3vw,34px);
  background:var(--bg-2);
  padding:clamp(40px,6vw,80px) clamp(26px,5vw,68px);
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(70% 120% at 18% 0%, color-mix(in srgb,var(--echo) 20%,transparent), transparent 62%),
    radial-gradient(70% 120% at 82% 100%, color-mix(in srgb,var(--mung) 18%,transparent), transparent 62%);
}
.cta-band > *{position:relative}
.cta-band h2{margin-bottom:20px}
.cta-band .lede{margin-inline:auto;text-align:center}
.cta-band .btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}

/* 문의 폼 */
.contact{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:clamp(24px,3vw,34px);
  background:var(--bg-2);
  padding:clamp(32px,5vw,64px) clamp(24px,4.5vw,58px);
  display:grid;gap:clamp(32px,4.5vw,56px);
}
@media (min-width:940px){ .contact{grid-template-columns:.9fr 1.1fr;gap:clamp(40px,5vw,72px)} }
.contact::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(70% 120% at 12% 0%, color-mix(in srgb,var(--echo) 18%,transparent), transparent 60%),
    radial-gradient(70% 120% at 88% 100%, color-mix(in srgb,var(--mung) 15%,transparent), transparent 60%);
}
.contact > *{position:relative}
.contact__intro h2{margin-bottom:20px}
.contact__intro .lede{margin-bottom:26px}
.contact__ways{display:grid;gap:12px;border-top:1px solid var(--line);padding-top:22px}
.contact__ways li{display:flex;gap:12px;align-items:flex-start;font-size:.885rem;color:var(--fg-2);line-height:1.6}
.contact__ways b{color:var(--fg);font-weight:650;flex:none;min-width:52px;font-size:.87rem}

.form{display:grid;gap:18px}
.form__row{display:grid;gap:18px}
@media (min-width:560px){ .form__row{grid-template-columns:1fr 1fr} }
.field{display:grid;gap:8px}
.field label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-3);display:flex;align-items:center;gap:7px;
}
.field label .req{color:var(--echo)}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:.94rem;color:var(--fg);
  background:var(--bg-3);border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;transition:border-color .2s,background .2s,box-shadow .2s;
  -webkit-appearance:none;appearance:none;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.65}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 20px) calc(50% + 2px),calc(100% - 15px) calc(50% + 2px);
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  color:var(--fg);padding-right:42px;cursor:pointer;
}
.field input::placeholder,.field textarea::placeholder{color:var(--fg-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--echo);background:var(--bg-3);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--echo) 18%,transparent);
}
.field.is-invalid input,.field.is-invalid select,.field.is-invalid textarea{
  border-color:var(--warn);
}
.field .err{font-size:.8rem;color:#FF6B58;display:none}
.field.is-invalid .err{display:block}

.consent{display:flex;gap:12px;align-items:flex-start;cursor:pointer;
  border:1px solid var(--line);border-radius:12px;padding:15px 16px;background:var(--bg-3);
  transition:border-color .2s}
.consent:hover{border-color:var(--line-2)}
.consent.is-invalid{border-color:#FF6B58}
.consent input{
  flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:var(--echo);cursor:pointer;
}
.consent span{font-size:.845rem;line-height:1.6;color:var(--fg-2)}
.consent a{color:var(--fg);text-decoration:underline;text-underline-offset:3px}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form__submit{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px}
.form__submit .btn[disabled]{opacity:.55;pointer-events:none}
.form__status{font-size:.875rem;line-height:1.6;display:none}
.form__status.is-on{display:block}
.form__status.ok{color:var(--gleaum-a)}
.form__status.bad{color:#FF6B58}
.spinner{width:15px;height:15px;border-radius:50%;border:2px solid currentColor;
  border-top-color:transparent;animation:spin .7s linear infinite;display:none}
.is-sending .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}

.form__done{
  display:none;text-align:center;padding:clamp(30px,5vw,56px) 20px;
  border:1px solid color-mix(in srgb,var(--gleaum-a) 40%,var(--line));
  border-radius:var(--r-lg);background:var(--bg-3);
}
.form__done.is-on{display:block}
.form__done .tick{
  width:46px;height:46px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  border:1px solid color-mix(in srgb,var(--gleaum-a) 50%,transparent);
  color:var(--gleaum-a);background:color-mix(in srgb,var(--gleaum-a) 10%,transparent);
}
.form__done h3{margin-bottom:10px}
.form__done p{color:var(--fg-2);font-size:.9rem;line-height:1.7}

.foot{border-top:1px solid var(--line);padding-block:clamp(46px,6vw,72px) 34px;background:var(--bg-2)}
.foot__top{display:grid;gap:36px;margin-bottom:44px}
@media (min-width:860px){ .foot__top{grid-template-columns:1.4fr 1fr 1fr;gap:48px} }
.foot__mark{width:56px;margin-bottom:18px}
.foot__word{width:150px;margin-bottom:18px}
.foot h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-3);margin-bottom:16px;font-weight:500}
.foot li{padding:6px 0}
.foot li a{font-size:.9rem;color:var(--fg-2);transition:color .2s}
.foot li a:hover{color:var(--fg)}
.foot__meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;
  border-top:1px solid var(--line);padding-top:26px;
  font-size:.8rem;color:var(--fg-3);font-family:var(--mono);letter-spacing:.02em;
}
.foot__meta a:hover{color:var(--fg)}
.to-top{margin-left:auto;display:flex;align-items:center;gap:8px}
.to-top:hover{color:var(--fg)}

/* accent scopes */
#echo{--ac:var(--echo)}
#gleaum{--ac:var(--gleaum-a)}
#mungnyang{--ac:var(--mung)}
.ac-echo{--ac:var(--echo);color:var(--echo)}
.ac-gleaum{--ac:var(--gleaum-a);color:var(--gleaum-a)}
.ac-mung{--ac:var(--mung);color:var(--mung)}