/* ═══════════════════════════════════════════════
   FISFO — 미래정보시스템포럼  fisfo.kr
   Mobile-first common stylesheet
   ═══════════════════════════════════════════════ */
:root{
  --navy-deep:#06173A;
  --navy:#0C2A5E;
  --cyan-deep:#1789C8;
  --cyan:#3EC9F5;
  --yellow:#FFD84D;
  --ink:#16233B;
  --sub:#5A6A85;
  --paper:#F4F8FD;
  --line:#DCE6F2;
  --maxw:1080px;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:17.5px}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;
  color:var(--ink);background:#fff;line-height:1.72;word-break:keep-all;
  -webkit-text-size-adjust:100%;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;height:auto;display:block}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:4px}

/* ── 헤더 ─────────────────────────── */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,23,58,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(62,201,245,.18);
}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:60px}
.site-header .logo-link{display:flex;align-items:center}
.site-header .logo-link svg,.site-header .logo-link img{height:34px;width:auto}
.nav-toggle{
  background:none;border:1px solid rgba(62,201,245,.4);border-radius:10px;
  width:44px;height:44px;display:flex;flex-direction:column;gap:5px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-nav{
  display:none;background:var(--navy-deep);
  border-top:1px solid rgba(62,201,245,.15);
}
.site-nav.open{display:block}
.site-nav ul{padding:10px 20px 18px}
.site-nav a{
  display:block;padding:13px 10px;color:#DCE9FB;font-weight:600;font-size:.98rem;
  border-bottom:1px solid rgba(220,230,242,.08);
}
.site-nav a:last-child{border-bottom:none}
.site-nav a[aria-current="page"]{color:var(--cyan);font-weight:800}
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{display:block;background:none;border:none}
  .site-nav ul{display:flex;gap:4px;padding:0}
  .site-nav a{border:none;padding:8px 14px;font-size:.92rem;border-radius:8px}
  .site-nav a:hover{background:rgba(62,201,245,.12);color:#fff}
  .site-header .logo-link svg,.site-header .logo-link img{height:38px}
}

/* ── 페이지 히어로(서브) ─────────── */
.page-hero{
  background:linear-gradient(160deg,#04102C 0%,#082254 55%,#0B3E7E 100%);
  color:#fff;padding:56px 0 48px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:-30% -10%;pointer-events:none;
  background:
    radial-gradient(ellipse 520px 190px at 85% 20%,rgba(62,201,245,.25),transparent 60%),
    radial-gradient(ellipse 420px 160px at 8% 85%,rgba(23,137,200,.28),transparent 60%);
}
.page-hero .wrap{position:relative}
.page-hero .eyebrow{
  display:inline-block;border:1px solid rgba(62,201,245,.5);color:var(--cyan);
  font-size:.88rem;font-weight:700;letter-spacing:.18em;padding:5px 14px;
  border-radius:999px;margin-bottom:16px;
}
.page-hero h1{font-size:clamp(1.75rem,6vw,2.6rem);font-weight:900;letter-spacing:-.02em;line-height:1.3}
.page-hero p{color:#C9DCF6;margin-top:10px;font-size:1.02rem;max-width:640px}

/* ── 섹션 공통 ─────────────────────── */
section{padding:58px 0}
@media (min-width:900px){section{padding:78px 0}}
.alt{background:var(--paper)}
.sec-head{margin-bottom:32px}
.sec-head .tag{color:var(--cyan-deep);font-weight:800;font-size:.9rem;letter-spacing:.18em;display:block;margin-bottom:6px}
.sec-head h2{font-size:clamp(1.5rem,4.6vw,2.05rem);font-weight:900;letter-spacing:-.02em}
.sec-head.center{text-align:center}
.sec-head .lead{color:var(--sub);margin-top:8px;font-size:1rem}

/* 회로 구분선 — 시그니처 모티프 */
.circuit-divider{display:flex;justify-content:center;padding:0 0 6px}
.circuit-divider svg{width:180px;height:24px}

/* ── 카드/그리드 ──────────────────── */
.grid{display:grid;gap:16px}
@media (min-width:700px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;
}
.card h3{font-size:1.04rem;font-weight:800;margin-bottom:8px}
.card p{color:var(--sub);font-size:.96rem}
.card .k{color:var(--cyan-deep);font-weight:800}

/* ── 버튼 ─────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:800;font-size:.95rem;border-radius:12px;padding:14px 24px;
  transition:transform .15s,box-shadow .15s;cursor:pointer;border:none;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--yellow);color:var(--navy-deep);box-shadow:0 6px 18px rgba(255,216,77,.3)}
.btn-ghost{border:1.5px solid rgba(62,201,245,.6);color:#fff;background:transparent}
.btn-navy{background:var(--navy);color:#fff}
.btn-block{width:100%}
@media (min-width:560px){.btn-block{width:auto}}

/* ── 표 (프로그램) ─────────────────── */
.timetable{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tt-row{display:grid;grid-template-columns:96px 1fr;border-bottom:1px solid var(--line)}
.tt-row:last-child{border-bottom:none}
.tt-row.break{background:var(--paper)}
.tt-time{
  padding:16px 10px;font-size:.8rem;font-weight:800;color:var(--cyan-deep);
  background:rgba(23,137,200,.05);display:flex;align-items:flex-start;justify-content:center;
  text-align:center;border-right:1px solid var(--line);line-height:1.45;padding-top:18px;
}
.tt-body{padding:15px 16px}
.tt-body b{display:block;font-size:.97rem;font-weight:800}
.tt-body .who{color:var(--cyan-deep);font-weight:700;font-size:.86rem;margin-top:2px}
.tt-body .desc{color:var(--sub);font-size:.86rem;margin-top:3px}
@media (min-width:700px){
  .tt-row{grid-template-columns:150px 1fr}
  .tt-time{font-size:.88rem}
}

/* ── 배지 ─────────────────────────── */
.badge{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.06em;
  padding:3px 10px;border-radius:999px;background:rgba(62,201,245,.14);color:var(--cyan-deep);
  margin-bottom:8px;
}
.badge.yellow{background:rgba(255,216,77,.25);color:#8a6d00}

/* ── 인포 리스트 ───────────────────── */
.info-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:.94rem;align-items:baseline;
}
.info-list li:last-child{border-bottom:none}
.info-list .label{flex:0 0 74px;font-weight:800;color:var(--cyan-deep);font-size:.85rem}

/* ── 푸터 ─────────────────────────── */
.site-footer{background:var(--navy-deep);color:#93A8C9;padding:44px 0 36px;font-size:.86rem}
.site-footer .f-logo{margin-bottom:18px}
.site-footer .f-logo img{height:36px;width:auto}
.site-footer p{margin-bottom:4px}
.site-footer a{color:var(--cyan)}
.site-footer .f-links{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0 20px}
.site-footer .f-links a{color:#C9DCF6;font-weight:600}
.site-footer .copy{border-top:1px solid rgba(147,168,201,.2);margin-top:20px;padding-top:18px;font-size:.8rem}

/* ── 유틸 ─────────────────────────── */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.center{text-align:center}
.note{font-size:.84rem;color:var(--sub)}