/* ============================================================
   PG GLOBAL × GYU COMPANY — Landing Page
   ============================================================ */

:root{
  --ink:#0b0d10;
  --ink-2:#191c22;
  --gray-900:#20242b;
  --gray-700:#4a5058;
  --gray-500:#7a828c;
  --gray-300:#c8cdd4;
  --gray-100:#eef0f3;
  --gray-50:#f6f7f9;
  --white:#ffffff;
  --accent:#3b6cff;
  --accent-2:#7b9bff;
  --radius:18px;
  --radius-sm:12px;
  --container:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 20px 50px -20px rgba(15,20,30,.22);
  --shadow-sm:0 8px 24px -12px rgba(15,20,30,.18);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI",Roboto,"Helvetica Neue","Apple SD Gothic Neo",sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),backdrop-filter .35s;
}
.nav__inner{
  max-width:var(--container);margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav.scrolled{
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 rgba(15,20,30,.06);
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;letter-spacing:.02em;color:#fff;transition:color .35s}
.nav.scrolled .brand{color:var(--ink)}
.brand__mark{font-weight:800}
.brand__mark--alt{color:var(--accent-2)}
.nav.scrolled .brand__mark--alt{color:var(--accent)}
.brand__x{font-weight:400;opacity:.6;font-size:16px}

.nav__links{display:flex;align-items:center;gap:32px}
.nav__links a{font-size:15px;font-weight:500;color:rgba(255,255,255,.9);transition:color .35s,opacity .2s}
.nav.scrolled .nav__links a{color:var(--gray-700)}
.nav__links a:hover{opacity:.65}
.nav__cta{
  padding:10px 20px;border-radius:999px;
  background:#fff;color:var(--ink)!important;font-weight:600!important;
  transition:transform .2s var(--ease),box-shadow .2s;
}
.nav.scrolled .nav__cta{background:var(--ink);color:#fff!important}
.nav__cta:hover{opacity:1!important;transform:translateY(-1px);box-shadow:var(--shadow-sm)}

.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s var(--ease)}
.nav.scrolled .nav__toggle span{background:var(--ink)}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;
}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 80% at 75% 15%, #3a4049 0%, #23272e 40%, #14161b 75%, #0b0d10 100%);
}
.hero__bg::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(50% 60% at 18% 85%, rgba(59,108,255,.20), transparent 60%),
    radial-gradient(40% 50% at 90% 30%, rgba(123,155,255,.14), transparent 55%);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
          mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
}
.hero__inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:120px 24px 0;width:100%}
.hero__eyebrow{
  font-size:14px;font-weight:600;letter-spacing:.22em;color:var(--accent-2);
  margin-bottom:26px;text-transform:uppercase;
}
.hero__title{
  font-size:clamp(2.6rem,6.2vw,5rem);font-weight:800;line-height:1.08;letter-spacing:-.03em;
  margin-bottom:28px;
}
.grad{
  background:linear-gradient(100deg,#fff 10%,var(--accent-2) 55%,#c7d4ff 90%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.hero__sub{
  font-size:clamp(1rem,1.6vw,1.25rem);color:rgba(255,255,255,.75);font-weight:400;
  max-width:640px;margin-bottom:44px;
}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:16px 30px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s,opacity .2s;
}
.btn--primary{
  background:linear-gradient(100deg,var(--accent),#5b82ff);color:#fff;
  box-shadow:0 12px 30px -10px rgba(59,108,255,.6);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(59,108,255,.7)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

.hero__scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2}
.hero__scroll span{
  display:block;width:24px;height:38px;border:2px solid rgba(255,255,255,.4);border-radius:14px;position:relative;
}
.hero__scroll span::after{
  content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);
  width:4px;height:8px;border-radius:2px;background:#fff;
  animation:scroll 1.8s var(--ease) infinite;
}
@keyframes scroll{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}100%{opacity:0}}

/* ---------- STATS ---------- */
.stats{background:var(--ink);color:#fff;position:relative;z-index:3}
.stats__inner{
  max-width:var(--container);margin:0 auto;padding:56px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat{text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:-12px;top:50%;transform:translateY(-50%);width:1px;height:52px;background:rgba(255,255,255,.12)}
.stat__num{font-size:clamp(2.2rem,4vw,3.2rem);font-weight:800;letter-spacing:-.03em;line-height:1;background:linear-gradient(120deg,#fff,var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__label{margin-top:12px;font-size:14px;color:rgba(255,255,255,.6);font-weight:500}

/* ---------- SECTION BASE ---------- */
.section{padding:110px 0;position:relative}
.tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:20px;position:relative;padding-left:34px;
}
.tag::before{content:"";position:absolute;left:0;top:50%;width:24px;height:2px;background:var(--accent);transform:translateY(-50%)}
.tag--light{color:var(--accent-2)}
.tag--light::before{background:var(--accent-2)}
.section__title{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:800;line-height:1.18;letter-spacing:-.03em;margin-bottom:22px}
.section__title--light{color:#fff}
.section__lead{font-size:clamp(1rem,1.4vw,1.14rem);color:var(--gray-700);max-width:720px;margin-bottom:8px}
.section__lead--light{color:rgba(255,255,255,.72)}
.section__lead--center{text-align:center;margin:40px auto 0}

.dark{background:var(--ink);color:#fff}
.light-gray{background:var(--gray-50)}

/* ---------- ABOUT ---------- */
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.ccard{
  background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:40px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.ccard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.ccard__badge{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.02em;
  color:var(--accent);background:rgba(59,108,255,.09);padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.ccard__badge--alt{color:#0a8f6a;background:rgba(10,143,106,.1)}
.ccard__name{font-size:1.8rem;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.ccard__desc{color:var(--gray-700);font-size:15.5px;margin-bottom:26px}
.ccard__meta{list-style:none;border-top:1px solid var(--gray-100);padding-top:20px}
.ccard__meta li{display:flex;gap:14px;font-size:14.5px;color:var(--gray-900);padding:6px 0}
.ccard__meta span{min-width:74px;color:var(--gray-500);font-weight:600}

/* ---------- STRENGTH ---------- */
.strength .section__title,.strength .tag{position:relative}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.pillar{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  padding:38px 32px;transition:transform .3s var(--ease),background .3s,border-color .3s;
}
.pillar:hover{transform:translateY(-6px);background:rgba(255,255,255,.07);border-color:rgba(123,155,255,.4)}
.pillar__no{
  font-size:15px;font-weight:800;letter-spacing:.1em;color:var(--accent-2);margin-bottom:22px;
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;
  background:rgba(123,155,255,.14);
}
.pillar__title{font-size:1.32rem;font-weight:700;margin-bottom:14px}
.pillar__desc{color:rgba(255,255,255,.66);font-size:15px}

/* ---------- FLOW ---------- */
.flow .section__title{text-align:center}
.flow .tag{display:block;text-align:center;padding-left:0}
.flow .tag::before{display:none}
.flow__diagram{
  display:flex;align-items:center;justify-content:center;gap:20px;margin:66px 0 20px;flex-wrap:wrap;
}
.flow__circle{
  width:210px;height:210px;border-radius:50%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;color:#fff;
  background:radial-gradient(circle at 35% 30%,#3d434c,#23262c);
  box-shadow:var(--shadow);
}
.flow__circle strong{font-size:1.35rem;font-weight:800;letter-spacing:-.02em}
.flow__circle span{font-size:1.05rem;margin-top:4px;color:rgba(255,255,255,.8)}
.flow__circle--alt{background:radial-gradient(circle at 35% 30%,var(--accent),#2b4fd0)}
.flow__center{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:150px}
.flow__badge{font-size:2.4rem;font-weight:800;color:var(--gray-300);letter-spacing:.04em;line-height:1}
.flow__badge--pg{color:var(--gray-500)}
.flow__arrows{display:flex;flex-direction:column;gap:12px;width:120px}
.arrow{height:2px;background:var(--gray-300);position:relative}
.arrow--r::after,.arrow--l::after{content:"";position:absolute;top:50%;width:9px;height:9px;border-top:2px solid var(--gray-300);border-right:2px solid var(--gray-300)}
.arrow--r::after{right:0;transform:translateY(-50%) rotate(45deg)}
.arrow--l::after{left:0;transform:translateY(-50%) rotate(-135deg)}

/* ---------- NETWORK ---------- */
.net__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:56px}
.net__cat{
  background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:30px 30px 26px;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.net__cat:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.net__cat h3{font-size:1.16rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.net__cat h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips span{
  font-size:14px;font-weight:500;color:var(--gray-900);
  background:var(--gray-50);border:1px solid var(--gray-100);
  padding:8px 14px;border-radius:999px;transition:background .2s,color .2s,transform .2s;
}
.net__cat:hover .chips span{background:#fff}
.chips span:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-1px)}

.chips--dark span{
  color:rgba(255,255,255,.85);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
}
.chips--dark span:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ---------- STRATEGY ---------- */
.strat__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.strat{
  background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:38px 34px;
  position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s;
}
.strat::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.strat:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.strat:hover::before{transform:scaleX(1)}
.strat__no{font-size:2.6rem;font-weight:800;color:var(--gray-100);letter-spacing:-.02em;margin-bottom:8px;line-height:1}
.strat h3{font-size:1.34rem;font-weight:800;margin-bottom:22px}
.strat p{font-size:14.5px;color:var(--gray-700);margin-bottom:16px}
.strat p strong{color:var(--ink);font-weight:700}

/* ---------- BRANDS ---------- */
.brand__block{margin-top:48px}
.brand__cat{font-size:1.16rem;font-weight:700;color:#fff;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.brand__cat::before{content:"";width:26px;height:2px;background:var(--accent-2)}

/* ---------- SEO ---------- */
.seo__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.seo__card{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:36px 32px;transition:transform .3s var(--ease),box-shadow .3s}
.seo__card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.seo__label{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--accent);margin-bottom:14px}
.seo__card h3{font-size:1.28rem;font-weight:800;margin-bottom:22px}
.seo__card ul{list-style:none;display:flex;flex-direction:column;gap:16px}
.seo__card li{font-size:14.5px;color:var(--gray-700);padding-left:22px;position:relative}
.seo__card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.5}
.seo__card li strong{display:block;color:var(--ink);font-weight:700;margin-bottom:2px}

/* ---------- CASE ---------- */
.case__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.case__visual{display:flex;justify-content:center}
.case__badge{
  width:340px;height:340px;border-radius:26px;
  background:radial-gradient(130% 130% at 20% 10%,#2b2f37,#111318);
  color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.case__badge::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 70% 80%,rgba(59,108,255,.28),transparent 60%)}
.case__badge-tag{font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--accent-2);z-index:1}
.case__badge strong{font-size:5rem;font-weight:800;letter-spacing:-.03em;z-index:1;line-height:1}
.case__badge-sub{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.12em;z-index:1}
.case__text .section__lead{margin-bottom:18px}
.case__text strong{color:var(--accent);font-weight:700}

/* ---------- VISION ---------- */
.vision__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.vcard{
  background:var(--gray-50);border:1px solid var(--gray-100);border-radius:var(--radius);padding:34px 30px;
  transition:transform .3s var(--ease),background .3s,box-shadow .3s;
}
.vcard:hover{transform:translateY(-6px);background:#fff;box-shadow:var(--shadow)}
.vcard h3{font-size:1.2rem;font-weight:700;margin-bottom:14px;position:relative;padding-bottom:14px}
.vcard h3::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--accent)}
.vcard p{font-size:14.5px;color:var(--gray-700)}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;text-align:center}
.cta__bg{position:absolute;inset:0;background:radial-gradient(90% 120% at 50% 0%,#23272e,#0b0d10)}
.cta__bg::after{content:"";position:absolute;inset:0;background:radial-gradient(40% 50% at 50% 40%,rgba(59,108,255,.22),transparent 60%)}
.cta__inner{position:relative;z-index:1}
.cta__title{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:800;line-height:1.22;letter-spacing:-.03em;color:#fff;margin-bottom:20px}
.cta__sub{font-size:1.1rem;color:rgba(255,255,255,.7);margin-bottom:50px}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:840px;margin:0 auto 44px;text-align:left}
.contact__card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:32px 34px}
.contact__card h3{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:20px}
.contact__card ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.contact__card li{font-size:14.5px;color:rgba(255,255,255,.82);display:flex;gap:14px}
.contact__card span{min-width:56px;color:var(--accent-2);font-weight:600}
.cta__actions{display:flex;justify-content:center}

/* ---------- FOOTER ---------- */
.footer{background:#07080a;color:#fff;padding:40px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer__brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px}
.footer__brand .brand__mark--alt{color:var(--accent-2)}
.footer__brand .brand__x{opacity:.5;font-weight:400;font-size:15px}
.footer__copy{font-size:13.5px;color:rgba(255,255,255,.45)}

/* ---------- REVEAL ANIMATION ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:960px){
  .about__grid,.pillars,.strat__grid,.seo__grid,.vision__grid,.net__grid,.contact__grid{grid-template-columns:1fr}
  .vision__grid{grid-template-columns:1fr 1fr}
  .stats__inner{grid-template-columns:1fr 1fr;gap:40px 24px}
  .stat:nth-child(2)::after{display:none}
  .case__inner{grid-template-columns:1fr;gap:40px}
  .case__visual{order:-1}
}
@media(max-width:720px){
  .nav__links{
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;
    flex-direction:column;align-items:flex-start;justify-content:center;gap:28px;
    background:#fff;padding:40px;transform:translateX(100%);transition:transform .35s var(--ease);
    box-shadow:-20px 0 60px -20px rgba(0,0,0,.3);
  }
  .nav__links.open{transform:translateX(0)}
  .nav__links a{color:var(--ink)!important;font-size:19px}
  .nav__cta{background:var(--ink);color:#fff!important}
  .nav__toggle{display:flex;z-index:110}
  .nav__toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--ink)}
  .nav__toggle.active span:nth-child(2){opacity:0}
  .nav__toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--ink)}
  .section{padding:80px 0}
  .vision__grid{grid-template-columns:1fr}
  .flow__diagram{gap:12px}
  .flow__circle{width:170px;height:170px}
  .flow__arrows{width:80px}
  .case__badge{width:280px;height:280px}
  .case__badge strong{font-size:4rem}
}
@media(max-width:440px){
  .stats__inner{grid-template-columns:1fr;gap:32px}
  .stat::after{display:none!important}
  .hero__cta{flex-direction:column}
  .btn{width:100%}
}