/* MODU Trading — modutrading.co.kr */

:root{
  --ink:#0D1B3E; --ink-deep:#071228; --ink-mid:#17264C;
  --gold:#C9A84C; --gold-lt:#E0C57E;
  --paper:#FBFBFA; --panel:#F3F5F9; --rule:#DFE4EC;
  --muted:#6B7280; --muted-lt:#9AA3B2;
  --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --max:1240px; --pad:clamp(20px,5vw,56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.icon{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;display:block}

.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);font-weight:500;display:flex;align-items:center;gap:14px;margin:0 0 18px}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--rule)}
.on-dark .eyebrow::after{background:rgba(255,255,255,.16)}

/* ── header ── */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,251,250,.92);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{font-weight:800;letter-spacing:-.01em;font-size:17px;text-decoration:none;white-space:nowrap}
.brand span{color:var(--gold)}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .18s}
.nav a:hover{color:var(--ink)}
.lang{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;border:1px solid var(--rule);
  border-radius:999px;padding:6px 13px;text-decoration:none;color:var(--ink);transition:.18s}
.lang:hover{border-color:var(--gold);background:#fff}
@media(max-width:820px){.nav a:not(.lang){display:none}}

/* ── hero ── */
.hero{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;
  display:grid;grid-template-rows:1fr auto;min-height:min(88vh,860px)}
.hero-media{position:absolute;inset:0;background-size:cover;background-position:62% center;z-index:0}
.hero-media::after{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(7,18,40,.95) 0%,rgba(7,18,40,.88) 34%,rgba(7,18,40,.46) 66%,rgba(7,18,40,.62) 100%)}
.hero-body{position:relative;z-index:1;display:flex;align-items:center;
  padding-top:clamp(56px,9vw,96px);padding-bottom:clamp(40px,6vw,64px)}
.hero-body .wrap{width:100%}
.hero-col{max-width:660px}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(201,168,76,.55);
  background:rgba(201,168,76,.10);color:var(--gold-lt);border-radius:999px;
  padding:8px 16px 8px 13px;margin:0 0 26px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.badge .icon{width:17px;height:17px;stroke-width:1.6;color:var(--gold)}
.hero h1{font-size:clamp(36px,5.6vw,68px);line-height:1.14;font-weight:800;
  letter-spacing:-.03em;margin:0 0 28px}
.hero h1 em{font-style:normal;color:var(--gold-lt);display:block}
.hero .lead{font-size:clamp(15px,1.5vw,17.5px);line-height:1.85;color:#C3CCE0;max-width:56ch;margin:0}

/* signature: credentials strip */
.cred{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.16);
  background:rgba(7,18,40,.55);backdrop-filter:blur(6px)}
.cred dl{display:grid;grid-template-columns:repeat(4,1fr);margin:0}
.cred > .wrap{padding-top:0;padding-bottom:0}
.cred div{padding:22px 26px 26px 0;border-right:1px solid rgba(255,255,255,.10)}
.cred div:last-child{border-right:0}
.cred dt{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin:0 0 8px}
.cred dd{margin:0;font-size:13.5px;line-height:1.5;color:#EDF1F8;font-weight:600}
.cred dd small{display:block;font-family:var(--mono);font-size:10.5px;font-weight:400;
  color:#8A96AE;margin-top:4px}
@media(max-width:900px){.cred dl{grid-template-columns:1fr 1fr}
  .cred div{padding:18px 20px 20px 0}.cred div:nth-child(2){border-right:0}}
@media(max-width:520px){.cred dl{grid-template-columns:1fr}
  .cred div{border-right:0;border-bottom:1px solid rgba(255,255,255,.10)}
  .cred div:last-child{border-bottom:0}}

/* ── sections ── */
section{padding:clamp(66px,9vw,116px) 0}
h2{font-size:clamp(25px,3.4vw,38px);line-height:1.28;font-weight:800;
  letter-spacing:-.025em;margin:0 0 18px;max-width:22ch}
.section-lead{font-size:16px;color:var(--muted);max-width:62ch;
  margin:0 0 clamp(36px,5vw,56px);line-height:1.85}
.band{background:var(--ink);color:#fff}
.band h2{color:#fff}
.band .section-lead{color:#B9C3D6}
.panel-bg{background:var(--panel)}

/* ── steps ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule)}
.steps article{background:var(--paper);padding:36px 32px 40px}
.steps article:last-child{background:var(--ink);color:#fff}
.steps .ico{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:var(--gold);margin-bottom:22px}
.steps article:last-child .ico{background:var(--gold);color:var(--ink)}
.steps .n{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--gold);margin-bottom:10px}
.steps h3{font-size:18px;font-weight:700;margin:0 0 12px;letter-spacing:-.015em}
.steps p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.steps article:last-child p{color:#BFC8DA}
@media(max-width:860px){.steps{grid-template-columns:1fr}}

/* ── why ── */
.why-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.why-list{display:grid;gap:26px}
.why-list article{display:grid;grid-template-columns:46px 1fr;gap:20px;align-items:start}
.why-list .ico{width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;
  display:grid;place-items:center;color:var(--gold)}
.why-list h3{font-size:16.5px;font-weight:700;margin:6px 0 6px;letter-spacing:-.015em}
.why-list p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.why-map{border:1px solid var(--rule);background:#fff}
@media(max-width:940px){.why-grid{grid-template-columns:1fr}.why-map{order:-1}}

/* ── feedstock cards ── */
.feed{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.feed article{background:#fff;border:1px solid var(--rule);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease}
.feed article:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(13,27,62,.10)}
.feed .shot{aspect-ratio:1;background:var(--panel);overflow:hidden}
.feed .shot img{width:100%;height:100%;object-fit:cover}
.feed .txt{padding:22px 24px 26px}
.feed .code{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--gold);
  text-transform:uppercase;margin-bottom:8px}
.feed h3{font-size:16.5px;font-weight:700;margin:0 0 8px;letter-spacing:-.015em}
.feed p{margin:0;font-size:13.5px;line-height:1.75;color:var(--muted)}
@media(max-width:900px){.feed{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feed{grid-template-columns:1fr}}

/* ── projects ── */
.proj{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.4vw,32px)}
.proj article{background:#fff;border:1px solid var(--rule);overflow:hidden;display:flex;flex-direction:column}
.proj .shot{aspect-ratio:4/3;background:var(--panel);overflow:hidden;position:relative}
.proj .shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proj article:hover .shot img{transform:scale(1.04)}
.proj .txt{padding:26px 28px 30px;flex:1}
.proj .top{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.proj h3{font-size:18px;font-weight:700;margin:0;letter-spacing:-.015em}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink);border:1px solid var(--gold);border-radius:999px;padding:4px 11px;white-space:nowrap}
.proj p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
@media(max-width:820px){.proj{grid-template-columns:1fr}}

/* ── vision ── */
.quote{font-size:clamp(21px,3vw,34px);line-height:1.45;font-weight:800;
  letter-spacing:-.025em;max-width:22ch;margin:0}
.quote em{font-style:normal;color:var(--gold-lt)}

/* ── CEO ── */
.letter{display:grid;grid-template-columns:320px 1fr;gap:clamp(32px,5vw,68px);align-items:start}
.letter figure{margin:0}
.letter img{width:100%;border:1px solid var(--rule)}
.letter figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted-lt);
  margin-top:14px;text-transform:uppercase}
.letter .body p{font-size:15.5px;line-height:1.95;color:#374151;margin:0 0 20px}
.letter .body p:first-child{font-size:17px;color:var(--ink);font-weight:600;line-height:1.8}
.sign{margin-top:32px;padding-top:20px;border-top:1px solid var(--rule);font-weight:700;font-size:15px}
.sign span{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted-lt);
  display:block;text-transform:uppercase;margin-bottom:6px;font-weight:400}
@media(max-width:860px){.letter{grid-template-columns:1fr}.letter figure{max-width:280px}}

/* ── contact ── */
.contact{position:relative;background:var(--ink-deep);color:#fff;overflow:hidden}
.contact-media{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.contact-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,18,40,.55),rgba(7,18,40,.88))}
.contact .wrap{position:relative;z-index:1}
.contact h2{color:#fff}
.contact .section-lead{color:#AEB9CE}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:clamp(40px,5vw,58px)}
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:15px;
  padding:15px 26px;border-radius:2px;transition:.2s}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-lt)}
.btn-ghost{border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-lt)}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(32px,5vw,72px);
  border-top:1px solid rgba(255,255,255,.14)}
.facts div{display:grid;grid-template-columns:132px 1fr;gap:16px;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.10)}
.facts dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);margin:4px 0 0}
.facts dd{margin:0;font-size:14.5px;line-height:1.7;color:#E4E9F2}
.facts a{color:#fff;text-decoration:none;border-bottom:1px solid var(--gold)}
.facts a:hover{color:var(--gold-lt)}
@media(max-width:860px){.facts{grid-template-columns:1fr}}

/* ── footer ── */
.site-foot{background:#050D1C;color:#8A96AE;padding:40px 0 48px;font-size:13px}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:baseline}
.site-foot strong{color:#fff;font-weight:700;font-size:14px;letter-spacing:-.01em}
.site-foot .rights{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.06em}

/* ── motion ── */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .75s ease,transform .75s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}
  .feed article:hover,.proj article:hover .shot img{transform:none}}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}