/* =====================================================
   KWPS (사)한국용접기술인협회 메인 — Figma 시안 기준 1920, 컨테이너 1400 (x 260~1660)
   ===================================================== */
:root{
  --point:#1445bf;
  --navy:#0f1f4a;
  --black:#222;
  --text:#444;
  --muted:#666b78;
  --line:#dcdfe6;
  --line-soft:#e6e8ee;
  --bg-soft:#f7f7f7;
  --icon-bg:#eef3ff;
  --container:1400px;
  --gutter:40px;
  --header-h:100px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  color:var(--black);background:#fff;line-height:1.5;
  word-break:keep-all;overflow-wrap:anywhere;
}
img{display:block;max-width:100%;height:auto}
[hidden]{display:none!important}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{font-weight:700;line-height:1.2}
.en{font-family:"Montserrat","Pretendard",sans-serif}

.container{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding-inline:var(--gutter)}

/* ---------- reveal (느리고 순차적으로) ---------- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1.1s var(--ease),transform 1.2s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal-stagger > *{opacity:0;transform:translateY(36px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.reveal-stagger.is-in > *{opacity:1;transform:none;transition-delay:calc(var(--i,0)*.12s)}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-stagger > *{opacity:1;transform:none;transition:none}
}

/* ---------- common ---------- */
.eyebrow{font-family:"Montserrat",sans-serif;font-weight:700;font-size:20px;letter-spacing:2px;color:var(--point);line-height:24px}
.sec-title{font-size:44px;line-height:58px;font-weight:700;color:var(--black);margin-top:16px}
.sec-title--sm{font-size:36px;line-height:44px;color:#252b32;margin-top:10px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px}
.sec-head--row{align-items:center;height:60px}

.btn-more{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;flex-shrink:0;
  width:116px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:100px;background:#fff;
  font-size:18px;font-weight:700;color:var(--black);white-space:nowrap;
  transition:background .35s,border-color .35s,color .35s;
}
.btn-more img{transition:transform .35s var(--ease)}
.btn-more:hover{background:var(--black);border-color:var(--black);color:#fff}
.btn-more:hover img{filter:invert(1);transform:translateX(3px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  height:56px;padding:0 36px;border-radius:200px;border:.5px solid #fff;
  font-size:18px;font-weight:700;white-space:nowrap;
  transition:background .35s,color .35s,transform .35s var(--ease),box-shadow .35s;
}
.btn--white{background:#fff;color:#030509;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.24)}
.btn--outline{background:rgba(255,255,255,0);color:#fff}
.btn--outline:hover{background:#fff;color:#030509}
.btn--guide{width:200px;padding:0 32px;font-weight:500;color:#0e1f4a;border:0;box-shadow:none}
.btn--guide:hover{box-shadow:0 10px 24px rgba(0,0,0,.25)}
.btn--guide img{transition:transform .35s var(--ease)}
.btn--guide:hover img{transform:translateX(4px)}

/* ---------- header ---------- */
.header{
  position:fixed;left:0;top:0;z-index:100;width:100%;height:var(--header-h);
  color:#fff;transition:background .4s,color .4s,box-shadow .4s,height .4s;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;position:relative}
.logo a{display:block;position:relative;width:116px;height:50px}
.logo img{position:absolute;left:0;top:0;width:116px;height:auto;transition:opacity .4s}
.logo__color{opacity:0}
.gnb{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.gnb__list{display:flex;gap:80px;white-space:nowrap}
.gnb__list a{position:relative;display:block;padding:6px 0;font-size:22px;font-weight:600;line-height:26px}
.gnb__list a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.gnb__list a:hover::after{transform:scaleX(1)}
.header__util{display:flex;align-items:center;gap:28px}
.lang{display:flex;align-items:center;gap:16px;font-family:"Montserrat",sans-serif;font-size:18px;line-height:22px}
.lang__item{font-weight:500;opacity:.65;transition:opacity .3s}
.lang__item.is-active,.lang__item:hover{font-weight:700;opacity:1}
.lang__divider{width:1px;height:16px;background:currentColor;opacity:.35}

.header.is-scrolled{background:rgba(255,255,255,.96);color:var(--black);box-shadow:0 1px 0 var(--line-soft);backdrop-filter:blur(8px)}
.header.is-scrolled .logo__white{opacity:0}
.header.is-scrolled .logo__color{opacity:1}

.menu-toggle{display:none;width:40px;height:40px;position:relative}
.menu-toggle span{position:absolute;left:8px;width:24px;height:2px;background:currentColor;transition:transform .3s,opacity .3s,top .3s}
.menu-toggle span:nth-child(1){top:12px}
.menu-toggle span:nth-child(2){top:19px}
.menu-toggle span:nth-child(3){top:26px}
.menu-toggle.is-open span:nth-child(1){top:19px;transform:rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){top:19px;transform:rotate(-45deg)}
.mobile-menu{display:none;position:fixed;inset:var(--header-h) 0 0;z-index:90;background:#fff;padding:24px var(--gutter)}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:18px 0;border-bottom:1px solid var(--line-soft);font-size:20px;font-weight:600;color:var(--black)}

/* ---------- hero ---------- */
.hero{position:relative;height:760px;background:#ececec;overflow:hidden;color:#fff}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);animation:heroZoom 12s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
/* img 에 transform(켄번즈)이 걸리면 스태킹 컨텍스트가 생겨 ::before 가 사진 아래로 깔림 → z-index 로 위에 고정 */
.hero__bg::before{content:"";position:absolute;inset:0;z-index:1;background:rgba(0,0,0,.2)}
.hero__bg::after{
  content:"";position:absolute;left:0;right:0;bottom:0;z-index:1;height:250px;
  background:linear-gradient(180deg,rgba(6,14,23,0) 0%,rgba(6,14,23,.084) 25%,rgba(6,14,23,.306) 48%,rgba(6,14,23,.468) 75%,rgba(6,14,23,.533) 100%);
}
.hero__content{position:relative;z-index:1;padding-top:170px}
.hero__brand{display:flex;align-items:baseline;gap:14px;white-space:nowrap;line-height:normal}
.hero__brand strong{font-size:18px;font-weight:700}
.hero__brand .en{font-size:15px;color:#b9c8d6}
.hero__title{font-size:60px;line-height:70px;font-weight:800;margin-top:24px}
.hero__desc{font-size:20px;line-height:32px;margin-top:20px}
.hero__actions{display:flex;gap:12px;margin-top:30px}
.hero .reveal{transition-delay:calc(var(--i,0)*.18s)}

.trust-bar{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  display:flex;height:130px;padding:0 228px;
}
.trust-bar__item{flex:1 0 0;min-width:0;border-left:.5px solid rgba(255,255,255,.22)}
.trust-bar__item:first-child{border-left:0}
.trust-bar__item a{display:flex;align-items:center;gap:24px;height:100%;padding:28px 32px;transition:background .4s}
.trust-bar__item a:hover{background:rgba(255,255,255,.08)}
.trust-bar__label{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0;line-height:normal}
.trust-bar__label strong{font-size:22px;font-weight:600}
.trust-bar__label span{font-size:18px;font-weight:500;color:rgba(255,255,255,.72)}
.trust-bar__arrow{flex-shrink:0;transition:transform .4s var(--ease)}
.trust-bar__item a:hover .trust-bar__arrow{transform:translateX(4px)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.eyebrow--light{color:#8fb0ff}
.sec-title--light{color:#fff}

/* ---------- about (구성안 v2: 회장 프로필 한 줄 + 수치 4개 가로) ---------- */
.about{padding:96px 0;background:#fff}
.about__inner{display:flex;gap:52px;align-items:flex-start}
.about__head{width:400px;flex-shrink:0}
.about__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:40px}

.chair{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 28px;
  padding:28px 36px;border:1px solid rgba(15,31,74,.08);border-radius:20px;background:#fff;
  box-shadow:0 10px 15px rgba(15,31,74,.08);
}
.chair__name{font-size:26px;font-weight:700;line-height:1.3;white-space:nowrap}
.chair__role{display:inline-block;margin-right:10px;padding:3px 12px;border-radius:100px;background:var(--point);color:#fff;font-size:15px;font-weight:700;vertical-align:middle;line-height:20px}
.chair__career{flex:1;min-width:0;font-size:18px;line-height:30px;color:var(--text)}
.chair__link{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:var(--point);white-space:nowrap}
.chair__link img{filter:invert(21%) sepia(72%) saturate(2600%) hue-rotate(216deg) brightness(90%);transition:transform .35s var(--ease)}
.chair__link:hover img{transform:translateX(4px)}

.stats{display:flex;border-top:2px solid var(--navy);border-bottom:1px solid var(--line)}
.stat{flex:1 0 0;min-width:0;padding:32px 28px 30px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{display:flex;align-items:baseline;gap:4px;white-space:nowrap;line-height:1}
.stat__num strong{font-size:48px;font-weight:700;color:var(--black)}
.stat__num span{font-size:20px;font-weight:500;color:var(--black)}
.stat__num .stat__sep{font-size:32px;color:var(--point);margin:0 6px}
.stat__label{margin-top:14px;font-size:18px;font-weight:500;color:var(--text)}

/* ---------- purpose (구성안 v2 NEW: 설립 3대 목적) — 2026-10-25 임팩트 강화 ----------
   네이비 바탕 + 흑백 현장 사진을 아주 옅게 + 포인트 글로우. 카드마다 거대한 고스트 숫자, 포인트색 상단 바가 등장 시 자라남 */
/* 2026-10-25 "파란 기운" 피드백 2회 → 네이비를 버리고 강철·차콜 톤(#1a1d22). 글로우 없음. 브랜드 블루는 "3" 과 카드 상단 바에만 */
.purpose{position:relative;padding:120px 0 128px;background:#1a1d22;color:#fff;overflow:hidden}
.purpose__bg{position:absolute;inset:0;pointer-events:none}
.purpose__bg img{width:100%;height:100%;object-fit:cover;object-position:50% 35%;opacity:.12;filter:grayscale(1) contrast(1.15)}
.purpose__bg::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,29,34,.5) 0%,rgba(26,29,34,.9) 55%,#1a1d22 100%)}
.purpose .container{position:relative}
.purpose__head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.purpose__title{margin-top:14px;font-size:52px;line-height:64px;font-weight:800;letter-spacing:-.02em}
.purpose__title em{font-style:normal;color:#7fa3ff}
.purpose__lead{flex-shrink:0;font-size:20px;line-height:32px;color:rgba(255,255,255,.62);text-align:right}
.purpose .eyebrow--light{color:#9aa4b2}
.purpose__list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.purpose__item{
  position:relative;min-height:360px;padding:44px 36px 96px;overflow:hidden;
  border:1px solid rgba(255,255,255,.1);border-radius:20px;background:rgba(255,255,255,.04);
  transition:background .5s,border-color .5s,transform .6s var(--ease);
}
.purpose__item::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--point);transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease) .3s}
.reveal-stagger.is-in .purpose__item::before{transform:scaleX(1)}
.purpose__item:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.28);transform:translateY(-8px)}
.purpose__ghost{position:absolute;right:16px;top:8px;font-size:160px;font-weight:700;line-height:1;letter-spacing:-.04em;color:rgba(255,255,255,.05);transition:color .5s;user-select:none}
.purpose__item:hover .purpose__ghost{color:rgba(255,255,255,.1)}
.purpose__num{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;letter-spacing:3px;color:#9aa4b2}
.purpose__num::after{content:"";width:36px;height:1px;background:#9aa4b2}
.purpose__item h3{position:relative;margin-top:28px;font-size:32px;font-weight:700;line-height:1.3}
.purpose__item p{position:relative;margin-top:20px;font-size:18px;line-height:30px;color:rgba(255,255,255,.72)}
.purpose__link{position:absolute;left:36px;bottom:36px;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:#7fa3ff;opacity:0;transform:translateY(8px);transition:opacity .4s,transform .5s var(--ease),color .3s}
.purpose__link img{transition:transform .35s var(--ease)}
.purpose__item:hover .purpose__link{opacity:1;transform:none}
.purpose__link:hover{color:#fff}
.purpose__link:hover img{transform:translate(3px,-3px)}

/* ---------- members (구성안 v2 NEW: 함께하는 회원사) ---------- */
.members{padding:96px 0;background:var(--bg-soft)}
.members__group + .members__group{margin-top:56px}
.members__sub{margin:48px 0 20px;font-size:20px;font-weight:700;color:var(--navy)}
.members__group + .members__group .members__sub{margin-top:0}
.partner-cards{display:flex;gap:28px}
.partner-card{flex:1 0 0;min-width:0}
.partner-card a{display:block;height:100%;padding:32px;border:1px solid var(--line);border-radius:16px;background:#fff;transition:border-color .35s,box-shadow .35s,transform .5s var(--ease)}
.partner-card a:hover{border-color:var(--point);box-shadow:0 14px 28px rgba(15,31,74,.1);transform:translateY(-4px)}
.partner-card__logo{display:grid;place-items:center;height:110px;border-radius:10px;background:var(--bg-soft);overflow:hidden}
.partner-card__logo img{max-height:70px;width:auto}
.partner-card__logo span{font-size:15px;font-weight:600;color:#aab0bd}
.partner-card__name{margin-top:22px;font-size:22px;font-weight:700}
.partner-card__desc{margin-top:8px;font-size:16px;line-height:26px;color:var(--muted)}
.partner-card__site{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:15px;font-weight:600;color:var(--point)}
.logo-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.logo-grid a{display:grid;place-items:center;height:88px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:border-color .35s}
.logo-grid a:hover{border-color:var(--point)}
.logo-grid img{max-height:48px;max-width:70%;width:auto}
.logo-grid span{font-size:16px;font-weight:600;color:var(--text)}

/* ---------- benefits (구성안 v2 NEW: 회원 혜택 비교) ---------- */
.benefits{padding:96px 0;background:#fff}
.benefit-table{margin-top:48px;border-top:2px solid var(--navy)}
.benefit-table table{width:100%;border-collapse:collapse;table-layout:fixed}
.benefit-table th,.benefit-table td{padding:26px 28px;border-bottom:1px solid var(--line);font-size:18px;line-height:30px;text-align:left;vertical-align:middle}
.benefit-table thead th{background:#f3f5fa;font-size:18px;font-weight:700;color:var(--navy)}
.benefit-table thead th:first-child{width:28%}
.benefit-table tbody th{font-weight:700;color:var(--black)}
.benefit-table td{color:var(--text)}
.benefit-table td+td{border-left:1px solid var(--line)}
.benefit-table tbody th{border-right:1px solid var(--line)}
.benefit-table__link{color:var(--point);font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* ---------- roadmap (구성안 v2 NEW: 설립과 비전 → 2026-10-25 "단계별 추진 계획" 으로 개명, PURPOSE 바로 뒤로 이동) ---------- */
.roadmap{padding:96px 0;background:#fff}
.roadmap__lead{margin-top:16px;font-size:18px;line-height:30px;color:var(--muted)}
/* 2026-10-25 점검: 등장 모션(translateY)이 li 에 걸리면 li 안의 점·진행선이 바탕 선과 따로 움직여 어긋나 보였음
   → 타임라인 자식은 translate 없이 페이드만, 진행선은 is-in 후 왼쪽에서 자라나는 모션으로 교체 */
.timeline{position:relative;display:flex;margin-top:56px;padding-top:36px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:11px;height:2px;background:var(--line)}
.timeline.reveal-stagger > *{transform:none}
.timeline__step{position:relative;flex:1 0 0;min-width:0;padding-right:32px}
.timeline__dot{position:absolute;left:0;top:-36px;z-index:1;width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--line);box-sizing:border-box}
.timeline__dot::after{content:"";position:absolute;inset:5px;border-radius:50%;background:#c4c7ce}
.timeline__period{font-size:24px;font-weight:700;color:#9aa0ad;line-height:1.2}
.timeline__items{margin-top:16px}
.timeline__items li{position:relative;padding-left:14px;font-size:18px;line-height:30px;color:#9aa0ad}
.timeline__items li::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:currentColor}
.timeline__step.is-past .timeline__dot,.timeline__step.is-current .timeline__dot{border-color:var(--point)}
.timeline__step.is-past .timeline__dot::after,.timeline__step.is-current .timeline__dot::after{background:var(--point)}
.timeline__step.is-past .timeline__period,.timeline__step.is-current .timeline__period{color:var(--point)}
.timeline__step.is-past .timeline__items li,.timeline__step.is-current .timeline__items li{color:var(--black)}
.timeline__step.is-current .timeline__dot{box-shadow:0 0 0 6px rgba(20,69,191,.12)}
.timeline__step.is-past::after,.timeline__step.is-current::after{content:"";position:absolute;left:0;right:0;top:-25px;height:2px;background:var(--point);transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease)}
.timeline__step.is-current::after{right:50%}
.timeline.is-in .timeline__step.is-past::after{transform:scaleX(1);transition-delay:.3s}
.timeline.is-in .timeline__step.is-current::after{transform:scaleX(1);transition-delay:1.2s}

/* ---------- business ---------- */
.business{position:relative;padding:96px 0;background:var(--bg-soft);overflow:hidden}
.business__bg{position:absolute;inset:-48px;opacity:.8;filter:blur(12px);pointer-events:none}
.business__bg img{width:100%;height:100%;object-fit:cover}
.business__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.94) 45%,rgba(255,255,255,.83) 100%)}
.business .container{position:relative}
.biz-cards{display:flex;gap:28px;margin-top:56px}
.biz-card{flex:1 0 0;min-width:0}
.biz-card a{display:block;border-radius:8px}
.biz-card__photo{height:280px;border-radius:12px;overflow:hidden}
.biz-card__photo img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.biz-card a:hover .biz-card__photo img{transform:scale(1.05)}
.biz-card__body{padding-top:26px}
.biz-card__body h3{font-size:26px;font-weight:700;line-height:normal;transition:color .3s}
.biz-card a:hover h3{color:var(--point)}
.biz-card__body p{margin-top:12px;font-size:20px;line-height:32px;color:var(--text)}

/* ---------- news ---------- */
.news{padding:96px 0 72px;background:#fff}
.news__inner{display:flex;gap:100px;align-items:flex-start}
.notice{width:560px;flex-shrink:0}
.activity{width:740px;flex-shrink:0}
.news-title{font-size:36px;font-weight:700;line-height:normal;white-space:nowrap}
.news-title .en{font-weight:700}

.notice__tabs{display:flex;align-items:center;margin-top:24px}
.notice__tabs button{position:relative;font-size:20px;font-weight:500;line-height:24px;color:var(--text);transition:color .3s}
.notice__tabs button + button{margin-left:37px}
.notice__tabs button + button::before{content:"";position:absolute;left:-21px;top:50%;width:5px;height:5px;margin-top:-2px;border-radius:50%;background:#c4c7ce}
.notice__tabs button.is-active{font-weight:700;color:var(--point)}
.notice__tabs button:hover{color:var(--point)}

.notice__list{margin-top:24px;border-top:2px solid var(--navy)}
.notice__list li{border-bottom:1px solid var(--line)}
.notice__list a{display:flex;align-items:center;gap:14px;height:105px}
.notice__label{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  padding:4px 14px;border:1px solid var(--point);border-radius:100px;
  font-size:15px;font-weight:700;line-height:20px;color:var(--point);
}
.notice__label--edu{border-color:#2e9a62;color:#2e9a62}
.notice__tabs button{white-space:nowrap}
.notice__label--recruit{border-color:#d2571c;color:#d2571c}
.notice__title{flex:1;min-width:0;font-size:20px;line-height:30px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .3s}
.notice__list a:hover .notice__title{color:var(--point);text-decoration:underline;text-underline-offset:5px}
.notice__list time{flex-shrink:0;width:110px;font-size:18px;font-weight:500;line-height:30px;text-align:right}
.notice__empty{display:flex;align-items:center;justify-content:center;height:210px;font-size:18px;color:var(--muted)}

.activity__grid{display:flex;gap:20px;height:470px;margin-top:24px}
.activity__main{position:relative;display:block;width:450px;flex-shrink:0;height:100%;border-radius:16px;overflow:hidden}
.activity__main img,.activity__sub img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.activity__main:hover img,.activity__sub:hover img{transform:scale(1.05)}
.activity__caption{
  position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;height:84px;padding:0 24px;
  background:rgba(26,26,26,.7);font-size:20px;font-weight:500;line-height:26px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.activity__side{display:flex;flex-direction:column;gap:20px;flex:1;min-width:0;height:100%}
.activity__sub{display:block;flex:1;min-height:0;border-radius:16px;overflow:hidden}

/* ---------- membership ---------- */
.membership{padding:64px 0 80px;background:#fff}
.membership__card{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:400px;padding:56px 24px;border-radius:16px;overflow:hidden;color:#fff;text-align:center;
}
.membership__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.membership__card::before{content:"";position:absolute;inset:0;background:rgba(10,25,80,.18);z-index:0}
.membership__text{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center}
.membership__eyebrow{font-size:16px;font-weight:700;letter-spacing:1.92px;line-height:normal}
.membership__text h2{margin-top:16px;font-size:40px;line-height:48px;font-weight:700;white-space:nowrap}
.membership__desc{margin-top:14px;font-size:20px;line-height:32px}
.membership__types{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:18px;font-weight:500;line-height:26px;color:rgba(255,255,255,.9)}
.membership__types li + li::before{content:"";display:inline-block;width:5px;height:5px;margin-right:12px;border-radius:50%;background:#fff;vertical-align:middle}
.membership__text .btn{margin-top:32px}

/* ---------- partners (구성안 v2: 로고 박스 5개) ---------- */
.partners{padding:72px 0;border-top:1px solid var(--line-soft);background:#fff}
.partners__eyebrow{text-align:center}
.partners__list{display:flex;gap:20px;margin-top:24px}
.partners__list li{flex:1 0 0;min-width:0}
.partners__list a{display:flex;align-items:center;justify-content:center;height:96px;padding:0 16px;border:1px solid var(--line);border-radius:12px;font-size:19px;font-weight:600;white-space:nowrap;transition:color .3s,border-color .3s,background .3s}
.partners__list a:hover{color:var(--point);border-color:var(--point);background:#f3f5fa}
.partners__list img{max-height:56px;width:auto}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line-soft);padding:72px 0;background:#fff}
.footer__inner{display:flex;align-items:center;gap:64px}
.footer__logo{width:160px;flex-shrink:0}
.footer__info{flex:1;min-width:0}
.footer__tel{display:flex;align-items:baseline;gap:16px;white-space:nowrap;line-height:normal}
.footer__tel strong{font-size:16px;font-weight:700}
.footer__tel .en{font-size:20px;font-weight:600;color:var(--point)}
.footer__tel a:hover{text-decoration:underline;text-underline-offset:4px}
.footer__rows{display:flex;flex-direction:column;gap:8px;margin-top:14px;font-size:15px;line-height:normal}
.footer__rows div{display:flex;gap:16px}
.footer__rows dt{width:64px;flex-shrink:0;font-weight:700}
.footer__rows dd{color:var(--muted);white-space:nowrap}
.footer__right{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;width:320px;height:82px;flex-shrink:0;white-space:nowrap}
.footer__links{display:flex;gap:20px;font-size:16px;font-weight:700;line-height:normal}
.footer__links a:hover{color:var(--point)}
.footer__copy{font-size:15px;color:var(--muted);line-height:normal}

.top-btn{
  position:fixed;right:43px;bottom:40px;z-index:80;display:grid;place-items:center;
  width:60px;height:60px;border-radius:50%;background:#333;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .4s,visibility .4s,transform .4s var(--ease),background .3s;
}
.top-btn.is-show{opacity:1;visibility:visible;transform:none}
.top-btn:hover{background:var(--point)}

/* =====================================================
   반응형
   ===================================================== */
@media (max-width:1700px){
  .trust-bar{padding:0 var(--gutter)}
}
@media (max-width:1480px){
  .gnb__list{gap:48px}
  .about__inner{gap:40px}
  .about__head{width:320px}
  .stat{padding:28px 20px 26px}
  .stat__num strong{font-size:40px}
  .logo-grid{grid-template-columns:repeat(4,1fr)}
  .news__inner{gap:48px}
  .notice{width:44%}
  .activity{width:auto;flex:1}
  .activity__main{width:60%}
}
@media (max-width:1240px){
  .gnb__list{gap:36px}
  .gnb__list a{font-size:19px}
  .hero__title{font-size:52px;line-height:62px}
  .trust-bar__label strong{font-size:20px}
  .trust-bar__label span{font-size:16px}
  .trust-bar__item a{padding:24px 20px;gap:16px}
  .about__inner{flex-direction:column}
  .about__head{width:auto}
  .sec-title br{display:none}
  .purpose__list{gap:20px}
  .purpose__item{min-height:360px;padding:36px 28px 32px}
  .purpose__item h3{font-size:26px}
  .purpose__ghost{font-size:120px}
  .partner-cards{gap:20px}
  .benefit-table th,.benefit-table td{padding:20px 18px;font-size:16px;line-height:26px}
  .biz-cards{gap:20px}
  .biz-card__photo{height:220px}
  .biz-card__body p{font-size:18px;line-height:30px}
  .news__inner{flex-direction:column;gap:72px}
  .notice,.activity{width:100%}
  .activity__grid{height:420px}
  .footer__inner{flex-wrap:wrap;gap:32px}
  .footer__right{width:100%;height:auto;flex-direction:row;align-items:center;justify-content:space-between}
}
@media (max-width:1024px){
  :root{--header-h:80px;--gutter:24px}
  .gnb{display:none}
  .menu-toggle{display:block}
  .hero{height:auto;min-height:680px;padding-bottom:0}
  .hero__content{padding-top:140px;padding-bottom:60px}
  .hero__title{font-size:44px;line-height:54px}
  .hero__desc{font-size:18px;line-height:30px}
  .trust-bar{position:relative;height:auto;flex-wrap:wrap;background:rgba(6,14,23,.45)}
  .trust-bar__item{flex:1 0 50%;border-left:0;border-top:.5px solid rgba(255,255,255,.22)}
  .trust-bar__item:nth-child(even){border-left:.5px solid rgba(255,255,255,.22)}
  .trust-bar__item a{height:110px}
  .about,.business,.news,.purpose,.members,.benefits,.roadmap{padding:72px 0}
  .chair{padding:22px 24px}
  .chair__name{font-size:22px}
  .stats{flex-wrap:wrap}
  .stat{flex:1 0 50%;border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .purpose{padding:80px 0}
  .purpose__head{flex-direction:column;align-items:flex-start;gap:16px}
  .purpose__lead{text-align:left}
  .purpose__lead br{display:none}
  .purpose__title{font-size:36px;line-height:46px}
  .purpose__list{grid-template-columns:1fr;gap:16px;margin-top:40px}
  .purpose__item{min-height:0;padding:32px 28px 72px}
  .purpose__item h3 br{display:none}
  .purpose__link{opacity:1;transform:none;left:28px;bottom:28px}
  .partner-cards{flex-direction:column}
  .logo-grid{grid-template-columns:repeat(3,1fr)}
  .benefit-table{overflow-x:auto}
  .benefit-table table{min-width:640px}
  .timeline{flex-wrap:wrap;row-gap:40px}
  .timeline::before{display:none}
  .timeline__step{flex:1 0 50%;padding-left:40px;padding-right:16px}
  .timeline__dot{top:4px}
  .timeline__step::after{display:none}
  .partners__list{flex-wrap:wrap}
  .partners__list li{flex:1 0 calc(33.33% - 14px)}
  .partners__list a{height:72px;font-size:16px}
  .biz-cards{flex-direction:column;gap:32px}
  .biz-card__photo{height:260px}
  .activity__grid{flex-direction:column;height:auto}
  .activity__main{width:100%;height:360px}
  .activity__side{flex-direction:row;height:220px}
  .membership__card{height:auto;min-height:360px}
  .membership__text h2{font-size:30px;line-height:40px;white-space:normal}
  .membership__desc{font-size:18px;line-height:30px}
  .footer{padding:48px 0}
  .top-btn{right:20px;bottom:20px;width:50px;height:50px}
}
@media (max-width:640px){
  .hero__brand{flex-direction:column;gap:4px;white-space:normal}
  .hero__title{font-size:34px;line-height:44px}
  .hero__title br{display:none}
  .hero__desc br{display:none}
  .hero__actions{flex-wrap:wrap}
  .trust-bar__item{flex:1 0 100%}
  .trust-bar__item:nth-child(even){border-left:0}
  .sec-title{font-size:32px;line-height:42px}
  .sec-title--sm{font-size:28px;line-height:36px}
  .stat{flex:1 0 100%;padding:22px 0}
  .stat:nth-child(n+2){border-top:1px solid var(--line)}
  .chair__career{flex:1 0 100%}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .timeline__step{flex:1 0 100%}
  .partners__list li{flex:1 0 100%}
  .news-title{font-size:28px}
  .notice__list a{height:84px}
  .notice__title{font-size:17px}
  .notice__list time{width:90px;font-size:15px}
  .activity__main{height:260px}
  .activity__side{height:160px}
  .membership__types{flex-wrap:wrap;justify-content:center;row-gap:6px}
  .partners__list li{flex:1 0 50%}
  .footer__inner{gap:24px}
  .footer__rows dd{white-space:normal}
  .footer__right{flex-direction:column;align-items:flex-start;gap:12px}
}