@charset "UTF-8";
/* ==========================================================================
   WCE 2026 - Common Styles
   Variables, Reset, Header, Footer, Common Components
   ========================================================================== */

/* ===== CSS Variables ===== */
:root{
  /* Brand Color */
  --c-navy-900: #061e3c;
  --c-navy-800: #0a2540;
  --c-navy-700: #0e3358;
  --c-navy-600: #1a4a7a;
  --c-blue-500: #0e6ba8;
  --c-cyan-500: #00b4d8;
  --c-cyan-400: #4cc9e6;
  --c-green-600: #00a86b;
  --c-green-500: #1bc47d;
  --c-green-400: #4cd99a;

  /* Neutral */
  --c-white: #ffffff;
  --c-gray-50: #f7f9fc;
  --c-gray-100: #eef2f7;
  --c-gray-200: #dce3ec;
  --c-gray-300: #b9c4d2;
  --c-gray-400: #8a99ad;
  --c-gray-500: #5a6b7d;
  --c-gray-600: #3d4b5c;
  --c-gray-700: #2a3543;
  --c-gray-800: #1a212b;
  --c-gray-900: #0d1218;

  /* Semantic */
  --c-bg: #ffffff;
  --c-text: #0d1218;
  --c-text-sub: #5a6b7d;
  --c-border: #e3e8ef;

  /* Gradient */
  --grad-brand: linear-gradient(135deg, #00b4d8 0%, #1bc47d 100%);
  --grad-deep: linear-gradient(135deg, #061e3c 0%, #0e6ba8 50%, #1bc47d 100%);
  --grad-dark: linear-gradient(180deg, #0a2540 0%, #061e3c 100%);

  /* Typography — SUIT 단일 글로벌 폰트 (한글·영문 공통) */
  --font-kr: 'SUIT Variable', 'SUIT', -apple-system, BlinkMacSystemFont, system-ui, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  /* 영문 전용: San Francisco (Apple 시스템 폰트) — 글로벌 영문 폰트 변경 */
  --font-en: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* ===== 폰트 굵기 규칙 (SUIT 9단계) =====
     · 제목(Title)    : 800 ExtraBold  (대형 히어로 헤딩은 900 Black)
     · 본문(Body)     : 500 Medium
     · 강조(Strong)   : 700 Bold
     · 보조/캡션      : 400 Regular
     한글·영문 모두 동일 규칙 적용 */
  --fw-title: 800;
  --fw-title-black: 900;
  --fw-strong: 700;
  --fw-body: 500;
  --fw-caption: 400;

  /* Spacing */
  --inner-max: 1400px;
  --inner-pad: 20px;
  --header-h: 104px;
  --header-h-mobile: 84px;

  /* Shadow */
  --shadow-sm: 0 2px 8px rgba(10,37,64,0.06);
  --shadow-md: 0 8px 24px rgba(10,37,64,0.10);
  --shadow-lg: 0 20px 60px rgba(10,37,64,0.15);
  --shadow-xl: 0 30px 80px rgba(10,37,64,0.20);

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* Transition */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-kr);
  font-size:19.4px;       /* 16px × 1.1 — 전체 본문 10% 확대 */
  font-weight:var(--fw-body);   /* 본문 = SUIT 500 Medium */
  line-height:1.6;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* sub 페이지: fixed 헤더(gnb-wrap 88px) 회피 */
body.is-sub{
  padding-top:104px;
}
@media (max-width:1024px){
  body.is-sub{ padding-top:84px; }   /* 모바일은 gnb 축소(84px) */
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{list-style:none;}
img,svg,video{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5,h6{font-weight:var(--fw-title);line-height:1.3;letter-spacing:-0.02em;}  /* 제목 = SUIT 800 ExtraBold */
em{font-style:normal;}

/* ===== Layout ===== */
.inner{
  max-width:var(--inner-max);
  margin:0 auto;
  padding:0 var(--inner-pad);
  position:relative;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:16px 32px;
  font-size:16.5px;
  font-weight:600;
  border-radius:50px;
  transition:all .3s var(--ease);
  white-space:nowrap;
  letter-spacing:-0.01em;
}
.btn .arrow{
  display:inline-block;
  transition:transform .3s var(--ease);
}
.btn:hover .arrow{transform:translateX(4px);}

.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 24px rgba(27,196,125,0.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(27,196,125,0.45);
}
.btn-ghost{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.4);
  color:#fff;
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.15);
  border-color:#fff;
}

/* ===== HEADER ===== */
.header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  transition:box-shadow .3s var(--ease);
}
/* 스크롤 다운(.scrolled) / 서브페이지(.solid) → 상단 고정 + 분리된 형태 */
.header.scrolled,
.header.solid{
  box-shadow:0 1px 0 rgba(0,0,0,0.05), 0 8px 28px rgba(10,37,64,0.07);
}

/* 우측 유틸 영역 (로그인 링크 + 언어 전환) — GNB 바 안에 통합 */
.gnb-utils{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}
.gnb-utils .util-link{
  font-size:14px;
  font-weight:500;
  color:var(--c-gray-500);
  letter-spacing:-0.01em;
  transition:color .2s var(--ease);
}
.gnb-utils .util-link:hover{color:var(--c-cyan-500);}
.lang-switch{
  display:flex;
  align-items:center;
  gap:7px;
  font-family:var(--font-en);
}
.lang-switch a{
  font-size:14.5px;
  font-weight:700;
  color:var(--c-gray-400);
  transition:color .2s var(--ease);
}
.lang-switch a.active{color:var(--c-navy-800);}
.lang-switch a:hover{color:var(--c-cyan-500);}
.lang-sep{color:var(--c-gray-300);font-size:13px;}

/* GNB Wrap (단일 네비게이션 바) — 기본: 불투명 흰색 (서브페이지·스크롤 후) */
.gnb-wrap{
  position:relative;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:background .3s var(--ease), border-color .3s var(--ease);
}
.gnb-wrap .inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:104px;
}

/* 홈: 스크롤 전 — 히어로 배경과 통합(투명). 스크롤 다운 시 .scrolled 부착 → 흰 배경으로 분리 */
.is-home .header:not(.scrolled) .gnb-wrap{
  background:transparent;
  border-bottom-color:transparent;
}
.is-home .header:not(.scrolled) .gnb-link,
.is-home .header:not(.scrolled) .gnb-utils{text-shadow:0 1px 12px rgba(0,0,0,0.35);}
.is-home .header:not(.scrolled) .gnb-link{color:#fff;}
.is-home .header:not(.scrolled) .gnb-item:hover .gnb-link{color:#fff;}
.is-home .header:not(.scrolled) .logo img{filter:drop-shadow(0 2px 10px rgba(0,0,0,0.5));}  /* 원본 색상 유지 + 어두운 히어로 위 가독성용 그림자 */
.is-home .header:not(.scrolled) .gnb-utils .util-link{color:rgba(255,255,255,0.82);}
.is-home .header:not(.scrolled) .gnb-utils .util-link:hover{color:#fff;}
.is-home .header:not(.scrolled) .lang-switch a{color:rgba(255,255,255,0.55);}
.is-home .header:not(.scrolled) .lang-switch a.active{color:#fff;}
.is-home .header:not(.scrolled) .lang-switch a:hover{color:#fff;}
.is-home .header:not(.scrolled) .lang-sep{color:rgba(255,255,255,0.4);}
.is-home .header:not(.scrolled) .mobile-menu-btn span{background:#fff;}
/* 모바일 햄버거 메뉴(흰 패널)가 열리면 링크는 다시 어두운 색으로 */
.is-home .header:not(.scrolled) .gnb.is-open .gnb-link{color:var(--c-navy-800);}

/* Logo */
.logo{
  flex-shrink:0;
  margin-right:auto;   /* 항상 좌측 정렬 — 모바일에서 가운데로 밀리지 않도록 */
}
.logo a{
  display:block;
}
.logo svg,
.logo img{
  width:auto;
  height:60px;          /* 90px → 축소 (헤더 우측 메뉴 높이에 맞춤) */
  max-width:220px;
  display:block;
  object-fit:contain;
}

/* GNB */
.gnb{
  flex:1;
  display:flex;
  justify-content:center;
}
.gnb-list{
  display:flex;
  gap:8px;
}
.gnb-item{
  position:relative;
}
.gnb-link{
  display:block;
  padding:24px 22px;
  font-size:17.6px;
  font-weight:600;
  color:var(--c-navy-800);
  letter-spacing:-0.02em;
  transition:color .2s var(--ease);
  position:relative;
}
.gnb-link::after{
  content:'';
  position:absolute;
  left:50%;bottom:18px;
  width:0;height:3px;
  background:var(--grad-brand);
  border-radius:2px;
  transition:all .3s var(--ease);
  transform:translateX(-50%);
}
.gnb-item:hover .gnb-link{color:var(--c-cyan-500);}
.gnb-item:hover .gnb-link::after{width:24px;}

/* Sub menu */
.sub-menu{
  position:absolute;
  top:100%;left:50%;
  transform:translateX(-50%) translateY(-10px);
  min-width:180px;
  background:#fff;
  border-radius:0 0 12px 12px;
  box-shadow:0 12px 32px rgba(10,37,64,0.12);
  padding:10px 0;
  opacity:0;
  visibility:hidden;
  transition:all .3s var(--ease);
  z-index:10;
}
.gnb-item:hover .sub-menu{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.sub-menu ul li a{
  display:block;
  padding:12px 24px;
  font-size:15.4px;
  font-weight:500;
  color:var(--c-gray-600);
  white-space:nowrap;
  text-align:center;
  transition:all .2s var(--ease);
}
.sub-menu ul li a:hover{
  color:var(--c-cyan-500);
  background:var(--c-gray-50);
}

/* Mobile menu button */
.mobile-menu-btn{
  display:none;
  width:32px;height:32px;
  flex-direction:column;
  justify-content:center;
  gap:5px;
}
.mobile-menu-btn span{
  display:block;
  width:24px;height:2px;
  background:var(--c-navy-800);
  transition:all .3s var(--ease);
}

/* GNB Background overlay (mega menu effect) */
.gnb-bg{
  position:absolute;
  top:100%;left:0;right:0;
  height:0;
  background:#fff;
  pointer-events:none;
  transition:height .3s var(--ease);
}

/* ===== FOOTER ===== */
.footer{
  background:var(--c-navy-900);
  color:rgba(255,255,255,0.7);
}
.footer-top{
  padding:80px 0 60px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:80px;
}
.footer-logo{
  margin-bottom:24px;
}
.footer-logo svg,
.footer-logo img{
  width:auto;
  height:46px;
  max-width:200px;
  display:block;
  object-fit:contain;
  /* 다크 배경에 흰 로고로 보이도록 (단색 로고일 경우)
     컬러 로고면 아래 필터를 주석 처리하세요 */
  filter:brightness(0) invert(1);
  opacity:0.9;
}
.footer-desc{
  font-size:15.4px;
  line-height:1.7;
  margin-bottom:24px;
  color:rgba(255,255,255,0.5);
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:14.3px;
}
.footer-contact li{
  display:flex;
  gap:12px;
  color:rgba(255,255,255,0.6);
}
.footer-contact li span{
  display:inline-block;
  min-width:48px;
  font-family:var(--font-en);
  font-weight:600;
  font-size:12.1px;
  color:var(--c-green-400);
  letter-spacing:0.5px;
}
.footer-links-wrap{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:32px;
}
.footer-col h4{
  font-size:16.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:-0.02em;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  font-size:14.3px;
  color:rgba(255,255,255,0.55);
}
.footer-col ul li a:hover{
  color:var(--c-green-400);
}
.footer-bottom{
  padding:24px 0;
}
.footer-bottom .inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
.footer-policy{
  display:flex;
  gap:24px;
}
.footer-policy a{
  font-size:14.3px;
  color:rgba(255,255,255,0.5);
}
.footer-policy a:hover{color:#fff;}
.footer-policy a strong{color:#fff;}
.copyright{
  font-family:var(--font-en);
  font-size:13.2px;
  color:rgba(255,255,255,0.4);
  letter-spacing:0.02em;
}

/* ===== Reveal Animations ===== */
[data-reveal]{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
[data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}

/* ===== Section Eyebrow / Title ===== */
.section-eyebrow{
  display:inline-block;
  font-family:var(--font-en);
  font-size:14.3px;
  font-weight:700;
  letter-spacing:3px;
  color:var(--c-cyan-500);
  margin-bottom:18px;
  position:relative;
  padding-left:36px;
}
.section-eyebrow::before{
  content:'';
  position:absolute;
  left:0;top:50%;
  width:24px;height:1px;
  background:var(--c-cyan-500);
  transform:translateY(-50%);
}
.section-eyebrow.light{color:var(--c-green-400);}
.section-eyebrow.light::before{background:var(--c-green-400);}

.section-title{
  font-size:52.8px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-0.03em;
  color:var(--c-navy-800);
  margin-bottom:24px;
}
.section-title.light{color:#fff;}
.gradient-text{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:inline-block;
}
.gradient-text-light{
  background:linear-gradient(135deg,#4cd99a 0%,#4cc9e6 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:inline-block;
}

/* ===== Responsive ===== */
@media (max-width:1200px){
  :root{ --inner-max:100%; }
  .gnb-link{ padding:24px 14px; font-size:16.5px; }
  .footer-grid{ grid-template-columns:1fr; gap:48px; }
}

@media (max-width:1024px){
  .gnb{display:none;}
  .mobile-menu-btn{display:flex;}
  /* 모바일: 우측 유틸 — 로그인 링크 숨김, 언어 전환만 햄버거 옆에 노출 */
  .gnb-utils{gap:10px;margin-left:auto;margin-right:6px;}
  .gnb-utils .util-link{display:none;}
  /* 모바일 메뉴 열림 (햄버거 클릭 → JS가 .gnb 에 .is-open 토글) */
  .gnb.is-open{
    display:block;
    position:fixed;
    top:84px; left:0; right:0;
    max-height:calc(100vh - 84px);
    overflow-y:auto;
    background:#fff;
    border-top:1px solid rgba(10,37,64,0.08);
    box-shadow:0 16px 30px rgba(10,37,64,0.16);
    z-index:99;
    padding:4px 0 16px;
  }
  .gnb.is-open .gnb-list{ flex-direction:column; gap:0; width:100%; }
  .gnb.is-open .gnb-item{ position:static; border-bottom:1px solid #eef1f5; }
  .gnb.is-open .gnb-link{ padding:16px 22px; font-size:16.5px; }
  .gnb.is-open .gnb-link::after{ display:none; }
  .gnb.is-open .sub-menu{
    position:static; transform:none; opacity:1; visibility:visible;
    box-shadow:none; border-radius:0; min-width:0; padding:2px 0 8px;
    background:#f7f9fb;
  }
  .gnb.is-open .sub-menu ul li a{ text-align:left; padding:11px 38px; font-size:14.5px; white-space:normal; }
  /* 햄버거 → X 애니메이션 */
  .mobile-menu-btn.is-active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .mobile-menu-btn.is-active span:nth-child(2){ opacity:0; }
  .mobile-menu-btn.is-active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  .gnb-wrap .inner{height:84px;}
  :root{ --header-h: 84px; }
  .logo svg, .logo img{height:64px;max-width:240px;}
  .section-title{font-size:39.6px;}
  .footer-links-wrap{grid-template-columns:repeat(3,1fr);gap:24px;}
}

@media (max-width:768px){
  .section-title{font-size:30.8px;}
  .section-eyebrow{font-size:13.2px;letter-spacing:2px;}
  .btn{padding:14px 26px;font-size:15.4px;}
  .footer-top{padding:60px 0 40px;}
  .footer-links-wrap{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .footer-bottom .inner{flex-direction:column;align-items:flex-start;}
}

/* ==========================================================================
   FOOTER HOSTS (Hosted by / Organized by) — 전 페이지 공통
   ========================================================================== */
.footer-hosts{
  background:#0a1929;
  border-top:1px solid rgba(255,255,255,0.08);
  padding:28px 0;
}
/* 주최/주관(좌) + SNS(우) 한 줄 */
.fh-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px 40px;
  flex-wrap:wrap;
}
.fh-pair{
  display:flex;
  align-items:center;
  justify-content:flex-start;     /* 좌측 정렬 */
  gap:40px;
  flex-wrap:wrap;
}
.fh-block{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.fh-label{
  font-family:var(--font-en);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:0.5px;
  color:rgba(255,255,255,0.6);
  flex-shrink:0;
}
.fh-block a{
  display:inline-flex;
  align-items:center;
  height:30px;
  transition:transform .25s var(--ease);
}
.fh-block a:hover{ transform:scale(1.04); }
.fh-block img{
  max-height:30px !important;
  max-width:120px !important;
  width:auto;
  height:auto;
  object-fit:contain;
  opacity:0.85;
  filter:brightness(0) invert(1);
  transition:opacity .25s var(--ease);
}
.fh-block a:hover img{ opacity:1; }

/* 푸터 SNS 아이콘 (네비게이션에서 이동) */
.footer-sns{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.footer-sns a{
  width:34px; height:34px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,0.85);
  transition:background .2s var(--ease), color .2s var(--ease);
}
.footer-sns a:hover{ background:var(--c-green-500); color:#fff; }
.footer-sns svg{ width:16px; height:16px; }

@media (max-width:768px){
  .footer-hosts{ padding:24px 0; }
  .fh-row{ flex-direction:column; align-items:flex-start; gap:20px; }
  .fh-pair{ flex-direction:column; align-items:flex-start; gap:16px; }
  .fh-block img{ max-height:28px !important; }
}