/* ============================================================
   metagrid — brand introduction site
   ============================================================ */

:root{
  --bg:          #0b0e14;
  --bg-alt:      #0e1219;
  --surface:     #131824;
  --surface-2:   #171d2b;
  --line:        rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.16);

  --text:        #e8ecf4;
  --text-soft:   #a8b2c6;
  --text-dim:    #6f7b93;

  --brand:       #6ee7ff;
  --brand-2:     #a78bfa;
  --brand-3:     #4ade80;

  --radius:   18px;
  --radius-s: 11px;
  --wrap:     1180px;

  --ease: cubic-bezier(.22,.85,.3,1);
  --font: "Pretendard Variable", "Pretendard", "Inter", -apple-system, BlinkMacSystemFont,
          "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{ margin:0; line-height:1.25; letter-spacing:-.025em; font-weight:700; }
p{ margin:0; }
ul,dl,dd,dt{ margin:0; padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
img,svg{ max-width:100%; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:24px; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--brand); color:#04121a; padding:10px 18px;
  border-radius:0 0 10px 0; font-weight:700;
}
.skip:focus{ left:0; }

:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; border-radius:6px; }

/* ---------- background ---------- */
.grid-bg{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:
    linear-gradient(to right,  rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 85% 60% at 50% 0%, #000 35%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 85% 60% at 50% 0%, #000 35%, transparent 78%);
}
.glow{
  position:fixed; z-index:-1; pointer-events:none;
  width:640px; height:640px; border-radius:50%;
  filter:blur(130px); opacity:.2;
}
.glow-a{ top:-260px; left:-140px; background:radial-gradient(circle, var(--brand), transparent 68%); }
.glow-b{ top:-180px; right:-200px; background:radial-gradient(circle, var(--brand-2), transparent 68%); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
}
.site-header.stuck{
  background:rgba(11,14,20,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.header-inner{ display:flex; align-items:center; gap:24px; height:70px; }

.brand{ display:inline-flex; align-items:center; gap:10px; flex-shrink:0; }
.brand-mark{ width:26px; height:26px; }
.brand-mark rect{ fill:var(--brand); transition:fill .3s var(--ease); }
.brand-mark .m2{ fill:var(--brand-2); }
.brand-mark .m3{ fill:var(--brand-3); }
.brand-mark .m4{ fill:#f472b6; }
.brand:hover .brand-mark rect{ fill:var(--text); }
.brand-name{ font-size:1.16rem; font-weight:800; letter-spacing:-.03em; }

.nav{ display:flex; gap:6px; margin-left:auto; }
.nav a{
  padding:8px 14px; border-radius:9px; font-size:.925rem; font-weight:500;
  color:var(--text-soft); transition:color .2s, background .2s;
}
.nav a:hover{ color:var(--text); background:rgba(255,255,255,.06); }

.header-actions{ display:flex; align-items:center; gap:10px; }

.lang-toggle{
  display:inline-flex; align-items:center; gap:5px;
  background:transparent; border:1px solid var(--line);
  border-radius:9px; padding:6px 11px; cursor:pointer;
  font-family:inherit; font-size:.78rem; font-weight:700; letter-spacing:.04em;
  color:var(--text-dim); transition:border-color .2s, background .2s;
}
.lang-toggle:hover{ border-color:var(--line-strong); background:rgba(255,255,255,.04); }
.lang-opt{ transition:color .2s; }
.lang-opt.is-on{ color:var(--brand); }
.lang-sep{ opacity:.35; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 24px; border-radius:11px;
  font-size:.95rem; font-weight:600; white-space:nowrap;
  border:1px solid transparent; cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .25s var(--ease),
             background .25s, border-color .25s, color .25s;
}
.btn-sm{ padding:8px 15px; font-size:.86rem; }
.btn .ico{ width:15px; height:15px; transition:transform .25s var(--ease); }

.btn-primary{
  background:linear-gradient(120deg, var(--brand), var(--brand-2));
  color:#06111c;
  box-shadow:0 8px 26px -10px rgba(110,231,255,.6);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 34px -10px rgba(110,231,255,.7); }
.btn-primary:hover .ico{ transform:translateY(3px); }

.btn-ghost{ border-color:var(--line-strong); color:var(--text-soft); background:rgba(255,255,255,.02); }
.btn-ghost:hover{ border-color:var(--brand); color:var(--text); background:rgba(110,231,255,.07); transform:translateY(-2px); }

/* ---------- hero ---------- */
.hero{ padding:clamp(70px,11vw,130px) 0 clamp(56px,8vw,96px); }

.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  padding:6px 15px 6px 11px; margin-bottom:26px;
  border:1px solid var(--line); border-radius:999px;
  background:rgba(255,255,255,.03);
  font-size:.82rem; font-weight:500; color:var(--text-soft);
}
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%; background:var(--brand-3);
  box-shadow:0 0 0 4px rgba(74,222,128,.16);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

.hero-title{
  font-size:clamp(2.1rem, 5.6vw, 4.05rem);
  font-weight:800; line-height:1.16; margin-bottom:26px;
}
.grad{
  background:linear-gradient(100deg, var(--brand) 5%, var(--brand-2) 52%, #f472b6 96%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  max-width:660px; font-size:clamp(1rem,1.6vw,1.135rem);
  color:var(--text-soft); margin-bottom:38px;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:13px; margin-bottom:64px; }

.stats{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
}
.stat{ background:rgba(19,24,36,.55); padding:22px 24px; }
.stat dt{ font-size:.79rem; color:var(--text-dim); margin-bottom:7px; letter-spacing:.02em; }
.stat dd{ font-size:1.02rem; font-weight:600; color:var(--text); }
.stat .num{
  font-size:1.9rem; font-weight:800; line-height:1;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ---------- sections ---------- */
.section{ padding:clamp(64px,9vw,110px) 0; }
.section-alt{
  background:linear-gradient(180deg, transparent, var(--bg-alt) 14%, var(--bg-alt) 86%, transparent);
  border-block:1px solid var(--line);
}

.sec-head{ max-width:660px; margin-bottom:52px; }
.sec-tag{
  font-size:.79rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--brand); margin-bottom:14px;
}
.sec-title{ font-size:clamp(1.65rem,3.4vw,2.5rem); font-weight:800; margin-bottom:16px; }
.sec-desc{ color:var(--text-soft); font-size:clamp(.96rem,1.35vw,1.06rem); }

/* ---------- service cards ---------- */
.cards{
  display:grid; gap:24px;
  grid-template-columns:repeat(auto-fit, minmax(320px,1fr));
}
.card{
  position:relative; display:flex; flex-direction:column;
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); overflow:hidden;
  transition:transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.card::before{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background:radial-gradient(700px circle at 50% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 62%);
  opacity:0; transition:opacity .4s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  border-color:color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow:0 22px 50px -22px color-mix(in srgb, var(--accent) 55%, transparent);
}
.card:hover::before{ opacity:1; }

.card-visual{
  position:relative; background:var(--surface-2);
  border-bottom:1px solid var(--line);
  aspect-ratio:16/9; display:grid; place-items:center; overflow:hidden;
}
.card-visual svg{ width:100%; height:100%; display:block; }

.card-body{ position:relative; padding:26px 26px 28px; display:flex; flex-direction:column; flex:1; }
.card-top{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px; }

.chip{
  display:inline-block; padding:5px 12px; border-radius:999px;
  font-size:.76rem; font-weight:700; letter-spacing:.01em;
  color:var(--accent);
  background:color-mix(in srgb, var(--accent) 13%, transparent);
  border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.live{ display:inline-flex; align-items:center; gap:6px; font-size:.76rem; color:var(--text-dim); font-weight:500; }
.live i{
  width:6px; height:6px; border-radius:50%; background:var(--brand-3);
  box-shadow:0 0 0 3px rgba(74,222,128,.16);
  animation:pulse 2.4s var(--ease) infinite;
}

.card-name{ font-size:1.42rem; font-weight:800; margin-bottom:3px; letter-spacing:-.03em; }
.card-domain{ font-size:.86rem; color:var(--accent); font-weight:600; margin-bottom:15px; }
.card-desc{ font-size:.945rem; color:var(--text-soft); margin-bottom:20px; }

.tags{ display:flex; flex-wrap:wrap; gap:7px; margin-bottom:24px; }
.tags li{
  padding:5px 11px; border-radius:8px;
  font-size:.775rem; color:var(--text-dim);
  background:rgba(255,255,255,.045); border:1px solid var(--line);
}

.card-link{
  margin-top:auto; align-self:flex-start;
  display:inline-flex; align-items:center; gap:7px;
  font-size:.92rem; font-weight:700; color:var(--accent);
  padding-bottom:2px; border-bottom:1.5px solid transparent;
  transition:border-color .25s var(--ease), gap .25s var(--ease);
}
.card-link .ico{ width:14px; height:14px; transition:transform .25s var(--ease); }
.card-link:hover{ border-bottom-color:var(--accent); gap:10px; }
.card-link:hover .ico{ transform:translate(2px,-2px); }

/* card svg motion */
.snake{ stroke-dasharray:600; stroke-dashoffset:600; animation:draw 3.4s var(--ease) forwards; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
.pellet{ animation:bob 2.8s var(--ease) infinite; }
.pellet.p2{ animation-delay:.5s; } .pellet.p3{ animation-delay:1s; } .pellet.p4{ animation-delay:1.5s; }
@keyframes bob{ 0%,100%{ transform:translateY(0); opacity:.95; } 50%{ transform:translateY(-7px); opacity:.55; } }

.qmark{ animation:bob 3.2s var(--ease) infinite; }
.qmark.q2{ animation-delay:.7s; } .qmark.q3{ animation-delay:1.4s; }

.pin{ animation:pulse 2.6s var(--ease) infinite; }
.pin.p2{ animation-delay:.6s; } .pin.p3{ animation-delay:1.2s; }
.bars rect{ transform-origin:center bottom; animation:grow 3s var(--ease) infinite alternate; }
.bars .b2{ animation-delay:.25s; } .bars .b3{ animation-delay:.5s; }
.bars .b4{ animation-delay:.75s; } .bars .b5{ animation-delay:1s; }
@keyframes grow{ from{ transform:scaleY(.62); } to{ transform:scaleY(1); } }

/* ---------- about ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,6vw,72px); align-items:start; }
.about-copy .sec-desc{ margin-top:4px; }

.values{ display:flex; flex-direction:column; gap:14px; }
.value{
  display:flex; gap:16px; align-items:flex-start;
  padding:20px 22px; border-radius:var(--radius-s);
  background:rgba(19,24,36,.6); border:1px solid var(--line);
  transition:border-color .3s var(--ease), transform .3s var(--ease), background .3s;
}
.value:hover{ border-color:var(--line-strong); transform:translateX(5px); background:rgba(23,29,43,.8); }
.v-ico{
  flex-shrink:0; width:40px; height:40px; border-radius:11px;
  display:grid; place-items:center; color:var(--brand);
  background:rgba(110,231,255,.09); border:1px solid rgba(110,231,255,.2);
}
.v-ico svg{ width:20px; height:20px; }
.value h3{ font-size:1.02rem; font-weight:700; margin-bottom:5px; }
.value p{ font-size:.9rem; color:var(--text-soft); line-height:1.62; }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:20px; }
.contact-card{
  position:relative; display:flex; gap:18px; align-items:flex-start;
  padding:28px; border-radius:var(--radius);
  background:var(--surface); border:1px solid var(--line);
  transition:border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
a.contact-card:hover{
  border-color:rgba(110,231,255,.45); transform:translateY(-4px);
  box-shadow:0 20px 44px -24px rgba(110,231,255,.5);
}
.c-ico{
  flex-shrink:0; width:44px; height:44px; border-radius:12px;
  display:grid; place-items:center; color:var(--brand);
  background:rgba(110,231,255,.09); border:1px solid rgba(110,231,255,.2);
}
.c-ico svg{ width:22px; height:22px; }
/* flex-basis:0 (not auto) so the body shrinks beside the icon instead of
   wrapping onto its own row once the card is allowed to wrap on mobile. */
.c-body{ min-width:0; flex:1 1 0; }
.c-label{ font-size:.78rem; color:var(--text-dim); letter-spacing:.06em; text-transform:uppercase; font-weight:600; margin-bottom:6px; }
/* Email must not break mid-word; it only wraps if there is genuinely no room. */
.c-value{ font-size:1.06rem; font-weight:700; color:var(--text); overflow-wrap:anywhere; }
/* keep-all stops Korean addresses breaking inside a word */
.c-value.addr{ font-size:.99rem; line-height:1.55; font-weight:600; word-break:keep-all; }
.c-note{ font-size:.83rem; color:var(--text-dim); margin-top:7px; }
.c-note.link{ display:inline-block; color:var(--brand); font-weight:600; transition:opacity .2s; }
.c-note.link:hover{ opacity:.75; }

.copy-btn{
  position:absolute; top:16px; right:16px;
  padding:6px 13px; border-radius:8px;
  background:rgba(255,255,255,.05); border:1px solid var(--line);
  color:var(--text-dim); font-family:inherit; font-size:.76rem; font-weight:600;
  cursor:pointer; transition:all .2s var(--ease);
}
.copy-btn:hover{ background:rgba(110,231,255,.12); border-color:rgba(110,231,255,.4); color:var(--brand); }
.copy-btn.done{ background:rgba(74,222,128,.14); border-color:rgba(74,222,128,.45); color:var(--brand-3); }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--line); background:rgba(14,18,25,.6); padding-top:56px; }
.footer-inner{
  display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:38px; padding-bottom:44px;
}
.f-tag{ margin-top:14px; font-size:.9rem; color:var(--text-dim); max-width:280px; }
.f-col h4{ font-size:.79rem; letter-spacing:.12em; text-transform:uppercase; color:var(--text-dim); margin-bottom:15px; font-weight:700; }
.f-col a{ display:block; font-size:.92rem; color:var(--text-soft); margin-bottom:9px; transition:color .2s; }
.f-col a:hover{ color:var(--brand); }
.f-addr{ font-size:.88rem; color:var(--text-dim); margin-top:12px; line-height:1.6; }

.footer-bottom{
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  padding-block:20px 26px; border-top:1px solid var(--line);
  font-size:.85rem; color:var(--text-dim);
}
.to-top{ transition:color .2s; }
.to-top:hover{ color:var(--brand); }

/* ---------- reveal ----------
   Scoped to .js (set by an inline script in <head>): if scripting is off or
   main.js fails to load, nothing is ever hidden in the first place. */
.js .reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in{ opacity:1; transform:none; }
.js .reveal[data-delay="1"]{ transition-delay:.08s; }
.js .reveal[data-delay="2"]{ transition-delay:.16s; }
.js .reveal[data-delay="3"]{ transition-delay:.24s; }
.js .reveal[data-delay="4"]{ transition-delay:.32s; }

/* ---------- responsive ---------- */
@media (max-width:960px){
  .about-grid{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .f-brand{ grid-column:1 / -1; }
}
@media (max-width:720px){
  .nav{ display:none; }
  .header-inner{ height:62px; }
  .header-actions{ margin-left:auto; }
  .stats{ grid-template-columns:1fr; }
  .hero-cta .btn{ flex:1 1 100%; }
  .footer-inner{ grid-template-columns:1fr; gap:30px; }

  /* Copy button drops to its own full-width row so the email address keeps
     the whole line and never breaks mid-word. */
  .contact-card{ padding:24px 22px; flex-wrap:wrap; }
  .copy-btn{
    position:static; flex:0 0 100%; margin-top:16px;
    padding:11px 13px; text-align:center;
  }
}
@media (max-width:400px){
  .wrap{ padding-inline:18px; }
  .card-body{ padding:22px 20px 24px; }
}

/* ---------- motion / print ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation:none !important; transition-duration:.01ms !important; }
  .js .reveal{ opacity:1; transform:none; }
  .snake{ stroke-dashoffset:0; }
}

@media print{
  .grid-bg,.glow,.site-header,.copy-btn,.to-top{ display:none !important; }
  body{ background:#fff; color:#000; }
  .card,.contact-card,.value{ border-color:#ccc; background:#fff; break-inside:avoid; }
  .grad,.stat .num{ -webkit-text-fill-color:#000; color:#000; }
}