/* ============================================================
   지커뮤니케이션 — 새 B2B 디자인 시스템 (2026 개편)
   모바일 우선 · navy/white/gray · 카드형 · 외부폰트/CDN 의존 없음
   ============================================================ */

:root{
  --navy:#0a2540;
  --navy-700:#13325b;
  --navy-600:#1c4174;
  --blue:#2563eb;
  --blue-600:#1d4ed8;
  --ink:#1f2933;
  --gray:#5b6b7b;
  --gray-300:#9aa7b4;
  --line:#e3e8ee;
  --soft:#f5f7fa;
  --soft-2:#eef2f7;
  --white:#fff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(10,37,64,.06), 0 8px 24px rgba(10,37,64,.06);
  --shadow-lg:0 12px 40px rgba(10,37,64,.12);
  --maxw:1120px;
  --pad:20px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--white);
  line-height:1.65;font-size:16px;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-600)}
h1,h2,h3,h4{color:var(--navy);line-height:1.25;letter-spacing:-.02em;margin:0 0 .5em}
p{margin:0 0 1em}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.section{padding:56px 0}
.section--soft{background:var(--soft)}
.section__head{max-width:720px;margin:0 0 32px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.section h2{font-size:28px}
.section__head p{color:var(--gray);font-size:16px;margin:0}
.lead{font-size:18px;color:var(--gray)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .15s ease,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-600);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-700);color:#fff}
.btn--outline{background:#fff;color:var(--navy);border-color:var(--line)}
.btn--outline:hover{border-color:var(--gray-300);color:var(--navy)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);
  font-size:18px;letter-spacing:-.02em}
.brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--blue));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--gray);letter-spacing:.02em}
.nav__links{display:none;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav__links a{color:var(--ink);font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.nav__links a:hover{background:var(--soft);color:var(--navy)}
.nav__cta{display:none}
.nav__toggle{display:inline-flex;flex-direction:column;gap:5px;background:none;border:0;
  padding:10px;cursor:pointer}
.nav__toggle span{width:22px;height:2px;background:var(--navy);border-radius:2px;transition:.2s}
.nav__mobile{display:none;border-top:1px solid var(--line);background:#fff}
.nav__mobile.open{display:block}
.nav__mobile ul{list-style:none;margin:0;padding:8px var(--pad) 16px}
.nav__mobile a{display:block;padding:12px 4px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--soft)}
.nav__mobile .btn{margin-top:12px;width:100%}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 500px at 80% -10%,var(--navy-600),transparent),
  linear-gradient(160deg,var(--navy) 0%,var(--navy-700) 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(800px 400px at 70% 0,#000,transparent)}
.hero__inner{position:relative;z-index:1;padding:64px 0 72px}
.hero h1{color:#fff;font-size:32px;line-height:1.22;max-width:16ch}
.hero p{color:#cdd9e6;font-size:17px;max-width:52ch;margin:18px 0 28px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.hero__stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:44px;max-width:520px}
.hero__stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:16px 18px}
.hero__stat b{display:block;font-size:24px;color:#fff}
.hero__stat span{font-size:13px;color:#aebccd}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:18px}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .ic{width:42px;height:42px;border-radius:10px;background:var(--soft-2);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:20px;font-weight:800}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--gray);font-size:15px;margin:0}

/* about split */
.split{display:grid;gap:28px;align-items:center}
.about-facts{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
.about-facts li{display:flex;gap:10px;color:var(--ink);font-size:15px}
.about-facts li::before{content:"";flex:0 0 8px;height:8px;margin-top:8px;border-radius:50%;background:var(--blue)}
.panel{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px}
.panel h3{color:#fff}
.panel dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 16px}
.panel dt{color:#9fb1c6;font-size:14px}
.panel dd{margin:0;color:#fff;font-size:14px;font-weight:600}

/* strength */
.strength-grid{display:grid;gap:16px;grid-template-columns:1fr}
.strength{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.strength .num{flex:0 0 auto;font-weight:800;color:var(--blue);font-size:15px}
.strength h3{font-size:16px;margin-bottom:4px}
.strength p{margin:0;color:var(--gray);font-size:14px}

/* archive callout */
.archive-cta{display:grid;gap:20px;align-items:center;background:var(--soft);
  border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.archive-cta .big{font-size:40px;font-weight:800;color:var(--navy);line-height:1}

/* contact */
.contact-grid{display:grid;gap:18px;grid-template-columns:1fr}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
.contact-card h3{font-size:16px}
.contact-card .v{font-size:15px;color:var(--ink);font-weight:600}
.todo{color:#b4690e;font-size:13px;font-weight:600}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* ---------- news archive ---------- */
.page-head{background:linear-gradient(160deg,var(--navy),var(--navy-700));color:#fff;padding:48px 0}
.page-head h1{color:#fff;font-size:26px;margin:0}
.page-head p{color:#cdd9e6;margin:8px 0 0}
.archive-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:24px 0 18px}
.search{flex:1 1 240px;position:relative}
.search input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit}
.search input:focus{outline:2px solid var(--blue);border-color:transparent}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--gray);cursor:pointer}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.count{color:var(--gray);font-size:14px;margin:0 0 12px}

.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:baseline;
  padding:16px 4px;border-bottom:1px solid var(--line)}
.news-row a{color:var(--ink);font-weight:600;font-size:16px}
.news-row a:hover{color:var(--blue)}
.news-row .meta{display:flex;gap:10px;align-items:center;color:var(--gray);font-size:13px;white-space:nowrap}
.tag{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}
.tag--company{background:#e7f0ff;color:#1d4ed8}
.tag--news{background:#eaf7ee;color:#1f8b4c}
.empty{padding:40px 4px;color:var(--gray)}

/* ---------- article ---------- */
.article{padding:40px 0 56px}
.article__head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.article__head .meta{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.article__head h1{font-size:24px;margin:0}
.article__date{color:var(--gray);font-size:14px}
.article__body{font-size:16px;color:var(--ink);overflow-wrap:break-word}
/* 기존 본문(레거시 inline HTML) 정규화 — 이미지/표 반응형 강제 */
.article__body img{max-width:100%!important;height:auto!important;width:auto;border-radius:8px;margin:10px 0}
.article__body table{max-width:100%;height:auto}
.article__body font{font-size:inherit!important}
.article__body div{max-width:100%}
.article__back{margin-top:28px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#cdd9e6;padding:44px 0 28px;margin-top:8px}
.footer-top{display:grid;gap:24px;grid-template-columns:1fr}
.footer-brand b{color:#fff;font-size:17px}
.footer-brand p{font-size:13px;color:#9fb1c6;margin:8px 0 0;max-width:42ch}
.footer-col h4{color:#fff;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 12px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-col a{color:#cdd9e6;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;font-size:13px;color:#8ea0b5}

/* ---------- responsive ---------- */
@media (min-width:680px){
  .grid--2{grid-template-columns:1fr 1fr}
  .hero__stats{grid-template-columns:repeat(4,1fr);max-width:none}
  .contact-grid{grid-template-columns:repeat(3,1fr)}
  .archive-cta{grid-template-columns:auto 1fr auto}
  .footer-top{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:860px){
  :root{--pad:24px}
  .section{padding:80px 0}
  .section h2{font-size:32px}
  .hero__inner{padding:96px 0 104px}
  .hero h1{font-size:48px}
  .hero p{font-size:19px}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1.1fr .9fr;gap:48px}
  .strength-grid{grid-template-columns:1fr 1fr}
  .nav__links,.nav__cta{display:flex}
  .nav__toggle{display:none}
  .page-head{padding:64px 0}
  .page-head h1{font-size:34px}
  .article__head h1{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}