/* Gaeko.kr 공통 디자인 — 모던 블루. 모든 페이지가 이 파일을 공유한다.
   폰트는 각 페이지 head에서 Pretendard + JetBrains Mono를 불러온다. */

:root{
  --blue-50:#eef2ff;
  --blue-100:#e0e7ff;
  --blue-300:#a9b6f5;
  --blue-500:#5b6fe8;
  --blue-600:#3b5bf5;
  --blue-700:#2e46d4;
  --grad:linear-gradient(135deg,#5b6fe8 0%,#3b5bf5 55%,#2e46d4 100%);
  --ink:#0f1222;
  --ink-2:#3a4051;
  --gray:#6b7280;
  --line:#e7e9f2;
  --bg:#ffffff;
  --bg-soft:#f7f8fc;
  --ok:#16a36a;
  --warn:#d9822b;
  --err:#e2483d;
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 1px 2px rgba(15,18,34,.05),0 8px 24px rgba(15,18,34,.06);
  --shadow-lg:0 12px 40px rgba(46,70,212,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Pretendard',system-ui,-apple-system,sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.mono{font-family:'JetBrains Mono',monospace}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 헤더 */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hbar{max-width:1080px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.brand img{width:30px;height:30px;border-radius:8px;display:block}
nav{display:flex;align-items:center;gap:2px}
nav a{color:var(--ink-2);text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 13px;border-radius:8px;transition:background .15s,color .15s}
nav a:hover{background:var(--blue-50);color:var(--blue-700)}
nav .login{font-weight:600;color:var(--blue-700)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;cursor:pointer;line-height:1;padding:4px 8px}

/* 언어 선택기 */
.lang{position:relative;margin-left:4px}
.lang-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:8px;color:var(--ink-2);font-size:13px;font-weight:600;font-family:inherit;padding:7px 11px;cursor:pointer;transition:border-color .15s}
.lang-btn:hover{border-color:var(--blue-300)}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:5px;min-width:128px;display:none;z-index:200}
.lang-menu.open{display:block}
.lang-menu button{display:flex;align-items:center;gap:8px;width:100%;background:none;border:0;border-radius:7px;font-family:inherit;font-size:14px;color:var(--ink);padding:9px 11px;cursor:pointer;text-align:left}
.lang-menu button:hover{background:var(--blue-50)}
.lang-menu button.active{color:var(--blue-700);font-weight:600}

/* 히어로 (메인) */
.hero{position:relative;background:var(--grad);color:#fff;overflow:hidden;padding:156px 0 112px}
.hero::after{content:"";position:absolute;top:-32%;right:-12%;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.2),transparent 65%);pointer-events:none}
.hero-in{position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:0 28px;text-align:center}
.logo-big{width:92px;height:92px;border-radius:23px;box-shadow:0 12px 44px rgba(8,15,60,.4);margin:0 auto 30px;display:block}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13.5px;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:26px;backdrop-filter:blur(4px)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:#9bffd0;box-shadow:0 0 8px #9bffd0}
.hero h1{font-size:clamp(38px,6.4vw,68px);line-height:1.06;letter-spacing:-.035em;font-weight:800;margin-bottom:22px}
.hero p.lead{font-size:clamp(16px,2.1vw,19px);color:rgba(255,255,255,.92);max-width:560px;margin:0 auto 10px;line-height:1.65}
.hero p.sub{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;margin:0 auto 40px}

/* 서버 주소 카드 */
.addr{display:inline-flex;align-items:center;gap:14px;background:rgba(255,255,255,.97);border-radius:14px;padding:12px 12px 12px 22px;box-shadow:0 14px 44px rgba(8,15,60,.3)}
.addr-left{display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left}
.addr .label{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--gray);letter-spacing:.04em;text-transform:uppercase}
.addr .val{font-family:'JetBrains Mono',monospace;font-size:clamp(18px,3vw,22px);font-weight:600;color:var(--ink)}
.copy-btn{font-family:'JetBrains Mono',monospace;font-weight:600;font-size:13px;background:var(--grad);color:#fff;border:0;border-radius:9px;padding:11px 18px;cursor:pointer;transition:filter .15s,transform .15s;white-space:nowrap}
.copy-btn:hover{filter:brightness(1.08)}
.copy-btn:active{transform:scale(.97)}
.copy-btn.copied{background:var(--ok)}
.hero .note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.7)}

/* 통계 스트립 (스타트업 느낌) */
.stats{display:flex;justify-content:center;gap:0;flex-wrap:wrap;margin-top:48px}
.stats .s{padding:0 28px;text-align:center;border-left:1px solid rgba(255,255,255,.18)}
.stats .s:first-child{border-left:0}
.stats .s .n{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.02em}
.stats .s .l{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px}

/* 섹션 공통 */
section.block{padding:96px 0}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:600;color:var(--blue-600);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.sec-title{font-size:clamp(26px,3.6vw,38px);font-weight:800;letter-spacing:-.025em;line-height:1.18}
.sec-desc{color:var(--gray);font-size:16.5px;margin-top:14px;max-width:580px}

/* 선언 배너 */
.statement{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statement .wrap{padding-top:84px;padding-bottom:84px}
.statement h2{font-size:clamp(24px,3.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.4;max-width:840px}
.statement h2 .hl{color:var(--blue-600)}
.statement p{color:var(--gray);font-size:16.5px;margin-top:22px;max-width:600px}

/* 카드 그리드 */
.grid{display:grid;gap:20px;margin-top:48px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--blue-100)}
.card .k{font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;color:var(--blue-600);letter-spacing:.05em;margin-bottom:14px}
.card h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15px;line-height:1.7}
.card p.muted{color:var(--gray);margin-top:8px;font-size:14.5px}

/* 버튼 */
.btn{display:inline-block;font-weight:700;font-size:15px;text-decoration:none;padding:14px 28px;border-radius:var(--radius-sm);transition:transform .15s,box-shadow .15s,filter .15s;cursor:pointer;border:0}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(46,70,212,.28)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-white{background:#fff;color:var(--blue-700);box-shadow:0 8px 24px rgba(8,15,60,.22)}
.btn-white:hover{transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border:1.5px solid var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--blue-300);color:var(--blue-700)}

/* 마무리 CTA */
.cta{background:var(--grad);color:#fff;text-align:center;overflow:hidden}
.cta .wrap{padding-top:96px;padding-bottom:96px}
.cta h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.025em;line-height:1.18}
.cta p{color:rgba(255,255,255,.85);font-size:17px;margin:18px auto 36px;max-width:520px}
.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* 푸터 */
footer{background:var(--bg);border-top:1px solid var(--line)}
.foot{max-width:1080px;margin:0 auto;padding:40px 28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.foot .fb{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.foot .fb img{width:26px;height:26px;border-radius:7px}
.foot .fl{display:flex;gap:20px;flex-wrap:wrap}
.foot .fl a{color:var(--gray);font-size:14px;text-decoration:none}
.foot .fl a:hover{color:var(--blue-700)}

/* ===== 폼 / 계정 페이지 공통 ===== */
.auth-wrap{max-width:440px;margin:0 auto;padding:150px 24px 70px;min-height:100vh;display:flex;flex-direction:column;justify-content:center}
.auth-head{margin-bottom:30px}
.auth-head .eyebrow{margin-bottom:12px}
.auth-head h1{font-size:32px;font-weight:800;letter-spacing:-.025em}
.auth-head p{color:var(--gray);font-size:15px;margin-top:10px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.field label .req{color:var(--blue-600)}
.field input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 14px;color:var(--ink);font-size:15px;font-family:inherit;transition:border-color .15s,box-shadow .15s}
.field input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px var(--blue-50)}
.field input::placeholder{color:#aab0bd}
.field .hint{font-size:12.5px;color:var(--gray);margin-top:6px}
.field .hint.err{color:var(--err)}
.field .hint.ok{color:var(--ok)}
.submit{width:100%;background:var(--grad);color:#fff;border:0;border-radius:10px;padding:15px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;transition:filter .15s,transform .15s;margin-top:8px}
.submit:hover{filter:brightness(1.06)}
.submit:active{transform:scale(.99)}
.submit:disabled{background:#cdd2e0;color:#fff;cursor:not-allowed;filter:none}
.alt{text-align:center;margin-top:22px;font-size:14px;color:var(--gray)}
.alt a{color:var(--blue-700);text-decoration:none;font-weight:600}
.alt a:hover{text-decoration:underline}
.msg{padding:13px 15px;border-radius:10px;font-size:14px;margin-bottom:18px;display:none}
.msg.show{display:block}
.msg.error{background:#fdecea;border:1px solid #f5c3bd;color:#b53124}
.msg.ok{background:#e7f6ee;border:1px solid #b6e3ca;color:#157a52}
.msg.info{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-2)}

/* 계정 상태 패널 */
.panel{display:none}
.panel.show{display:block}
.panel .row{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-size:15px}
.panel .row .k{color:var(--gray)}
.panel .row .v{color:var(--ink);font-weight:600}
.panel .row .v.verified{color:var(--ok)}
.panel .row .v.guest{color:var(--blue-600)}
.logout{width:100%;background:transparent;color:var(--gray);border:1px solid var(--line);border-radius:10px;padding:13px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;margin-top:24px;transition:border-color .15s,color .15s}
.logout:hover{border-color:var(--blue-300);color:var(--blue-700)}

/* 인증코드 박스 */
.code-box{border:1px solid var(--blue-100);background:var(--blue-50);border-radius:14px;padding:24px;margin-bottom:24px;text-align:center}
.code-box .cl{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--blue-600);letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase}
.code-box .code{font-family:'JetBrains Mono',monospace;font-size:38px;font-weight:700;color:var(--blue-700);letter-spacing:6px}
.code-copy{font-family:'JetBrains Mono',monospace;font-size:13px;background:#fff;color:var(--blue-700);border:1px solid var(--blue-100);border-radius:8px;padding:9px 18px;cursor:pointer;margin-top:16px;transition:border-color .15s}
.code-copy:hover{border-color:var(--blue-300)}
.codeline{font-family:'JetBrains Mono',monospace;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:16px;font-size:15px;color:var(--ink)}
.codeline .p,.code-box .p{color:var(--blue-600)}
.verify-guide{text-align:left;border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin-bottom:24px}
.verify-guide .vt{font-size:13.5px;color:var(--gray);margin-bottom:12px;font-weight:500}
.verify-guide .vstep{font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--ink);background:var(--bg-soft);border:1px solid var(--line);border-radius:8px;padding:11px 14px}
.verify-guide .vstep .p{color:var(--blue-600)}
.success{display:none;text-align:center}
.success.show{display:block}
.success h2{font-size:26px;font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.success .desc{color:var(--gray);font-size:15px;margin-bottom:26px}

/* 콘텐츠 페이지 헤더 (가이드/규정/비전 등) */
.page-hero{background:var(--grad);color:#fff;padding:140px 0 64px;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;top:-40%;right:-10%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 65%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .eyebrow{color:rgba(255,255,255,.8);margin-bottom:14px}
.page-hero h1{font-size:clamp(30px,4.6vw,48px);font-weight:800;letter-spacing:-.03em;line-height:1.12}
.page-hero p{color:rgba(255,255,255,.85);font-size:17px;margin-top:16px;max-width:600px;margin-left:auto;margin-right:auto}

/* 등장 애니메이션 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 반응형 */
@media (max-width:860px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
}
@media (max-width:720px){
  nav{display:none}
  nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px;gap:0}
  nav.open a{padding:13px 6px;border-radius:0}
  nav.open a:hover{background:none}
  nav.open .lang{margin:8px 0 0}
  .nav-toggle{display:block}
  section.block{padding:64px 0}
  .addr{flex-direction:column;align-items:stretch;gap:12px;padding:18px;width:100%;max-width:340px}
  .copy-btn{padding:13px}
  .stats .s{padding:10px 20px;border-left:0}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}
:focus-visible{outline:2px solid var(--blue-600);outline-offset:2px;border-radius:4px}