/* ============================================
   인비랩 공통 스타일 (밝은 테마)
   원칙: 큰 글씨, 높은 대비, 넉넉한 간격 — 40~60대 눈높이
   ============================================ */
:root{
  --blue:#2563eb; --blue-dark:#1d4ed8; --ink:#1e293b; --sub:#475569;
  --bg:#ffffff; --bg-soft:#f1f5f9; --line:#e2e8f0; --accent:#f59e0b;
  --danger:#dc2626; --ok:#16a34a;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Apple SD Gothic Neo','Malgun Gothic','맑은 고딕',sans-serif;color:var(--ink);background:var(--bg);font-size:19px;line-height:1.65;}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}
a{color:var(--blue);}
img{max-width:100%;}

/* ---------- 헤더 ---------- */
header.site{position:sticky;top:0;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);z-index:10;}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px;}
.logo{font-size:28px;font-weight:800;color:var(--blue);letter-spacing:-.5px;text-decoration:none;}
.logo span{color:var(--ink);}
nav.menu{display:flex;gap:26px;font-size:18px;font-weight:600;}
nav.menu a{color:var(--sub);text-decoration:none;padding:6px 2px;}
nav.menu a:hover,nav.menu a.on{color:var(--blue);}
.btns{display:flex;gap:10px;align-items:center;}
.hello{font-size:17px;color:var(--sub);}

/* ---------- 버튼 ---------- */
.btn{display:inline-block;padding:14px 26px;border-radius:12px;font-size:18px;font-weight:700;text-decoration:none;cursor:pointer;border:none;font-family:inherit;}
.btn-ghost{color:var(--ink);background:var(--bg-soft);}
.btn-main{color:#fff;background:var(--blue);}
.btn-main:hover{background:var(--blue-dark);}
.btn-danger{color:#fff;background:var(--danger);}
.btn-big{font-size:22px;padding:20px 44px;border-radius:14px;}
.btn-sm{padding:9px 16px;font-size:16px;border-radius:10px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* ---------- 히어로(메인) ---------- */
.hero{padding:88px 0 72px;text-align:center;background:linear-gradient(180deg,#eff6ff 0%,#ffffff 100%);}
.hero .badge{display:inline-block;background:#dbeafe;color:var(--blue-dark);font-weight:700;padding:8px 18px;border-radius:999px;font-size:17px;margin-bottom:24px;}
.hero h1{font-size:52px;line-height:1.3;letter-spacing:-1px;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--blue);}
.hero p{font-size:22px;color:var(--sub);margin-bottom:36px;}
.hero .note{margin-top:16px;font-size:17px;color:var(--sub);}
.stats{display:flex;justify-content:center;gap:64px;padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);flex-wrap:wrap;}
.stat{text-align:center;}
.stat b{display:block;font-size:36px;color:var(--blue);}
.stat span{font-size:18px;color:var(--sub);}

/* ---------- 섹션/카드 ---------- */
.section{padding:88px 0;}
.section h2{font-size:38px;text-align:center;margin-bottom:12px;letter-spacing:-.5px;}
.section .desc{text-align:center;font-size:20px;color:var(--sub);margin-bottom:52px;}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{background:var(--bg-soft);border:1px solid var(--line);border-radius:18px;padding:36px 32px;}
.card .icon{font-size:40px;margin-bottom:16px;display:block;}
.card h3{font-size:25px;margin-bottom:10px;}
.card p{font-size:18.5px;color:var(--sub);}
.talk{background:#fffbeb;border:2px solid #fde68a;border-radius:20px;padding:44px 40px;display:flex;gap:28px;align-items:center;}
.talk .icon{font-size:56px;}
.talk h3{font-size:27px;margin-bottom:8px;}
.talk p{font-size:19px;color:var(--sub);}

/* ---------- 요금제 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{border:2px solid var(--line);border-radius:18px;padding:36px 30px;text-align:center;background:#fff;}
.plan.hot{border-color:var(--blue);box-shadow:0 12px 32px rgba(37,99,235,.12);position:relative;}
.plan.hot .tag{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:15px;font-weight:700;padding:6px 18px;border-radius:999px;}
.plan h3{font-size:23px;margin-bottom:8px;}
.plan .price{font-size:38px;font-weight:800;margin:12px 0 4px;}
.plan .price small{font-size:18px;font-weight:500;color:var(--sub);}
.plan ul{list-style:none;margin:22px 0;text-align:left;}
.plan li{padding:9px 0;font-size:18px;border-bottom:1px dashed var(--line);}
.plan li::before{content:"✓  ";color:var(--blue);font-weight:800;}
.plan li.no{color:#94a3b8;}
.plan li.no::before{content:"—  ";color:#cbd5e1;}

/* ---------- CTA / 푸터 ---------- */
.cta{background:var(--blue);color:#fff;text-align:center;padding:80px 24px;border-radius:24px;margin-bottom:88px;}
.cta h2{font-size:36px;margin-bottom:14px;}
.cta p{font-size:20px;opacity:.9;margin-bottom:32px;}
.cta .btn{background:#fff;color:var(--blue);}
footer.site{border-top:1px solid var(--line);padding:44px 0;font-size:16px;color:var(--sub);}

/* ---------- 로그인/가입 카드 ---------- */
.auth-bg{min-height:calc(100vh - 76px);display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#eff6ff 0%,#ffffff 100%);padding:40px 16px;}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 40px rgba(30,41,59,.08);padding:44px 40px;width:100%;max-width:480px;}
.auth-card h1{font-size:30px;margin-bottom:6px;}
.auth-card .sub{color:var(--sub);font-size:18px;margin-bottom:28px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:17px;font-weight:700;margin-bottom:8px;}
.field input{width:100%;padding:16px 18px;font-size:19px;border:2px solid var(--line);border-radius:12px;font-family:inherit;}
.field input:focus{outline:none;border-color:var(--blue);}
.field .hint{font-size:15.5px;color:var(--sub);margin-top:6px;}
.auth-card .btn{width:100%;text-align:center;margin-top:6px;}
.auth-alt{text-align:center;margin-top:22px;font-size:17px;color:var(--sub);}
.msg{display:none;margin:14px 0;padding:14px 16px;border-radius:12px;font-size:17px;}
.msg.err{display:block;background:#fef2f2;color:var(--danger);border:1px solid #fecaca;}
.msg.ok{display:block;background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0;}

/* ---------- 대시보드 / 게시판 ---------- */
.page{padding:48px 0 80px;}
.page-title{font-size:34px;margin-bottom:8px;letter-spacing:-.5px;}
.page-desc{font-size:19px;color:var(--sub);margin-bottom:32px;}
.grid2{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start;}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;}
.panel h3{font-size:22px;margin-bottom:16px;}
.panel.soft{background:var(--bg-soft);}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px;}
.quick a{display:block;background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:24px 20px;text-decoration:none;color:var(--ink);text-align:center;}
.quick a:hover{border-color:var(--blue);}
.quick .qicon{font-size:34px;display:block;margin-bottom:8px;}
.quick b{font-size:19px;}
.quick span{display:block;font-size:15.5px;color:var(--sub);margin-top:4px;}
.badge-soon{display:inline-block;background:#fef3c7;color:#92400e;font-size:14px;font-weight:700;padding:3px 10px;border-radius:999px;margin-left:6px;vertical-align:middle;}

/* 게시판 목록 */
.board-tools{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap;}
.tabs{display:flex;gap:8px;flex-wrap:wrap;}
.tab{padding:10px 20px;border-radius:999px;border:2px solid var(--line);background:#fff;font-size:17px;font-weight:700;cursor:pointer;color:var(--sub);font-family:inherit;}
.tab.on{border-color:var(--blue);color:var(--blue);background:#eff6ff;}
.post-list{list-style:none;}
.post-item{display:flex;justify-content:space-between;gap:16px;padding:20px 8px;border-bottom:1px solid var(--line);cursor:pointer;}
.post-item:hover{background:#f8fafc;}
.post-item .t{font-size:19.5px;font-weight:700;}
.post-item .t .cat{font-size:15px;color:var(--blue);background:#eff6ff;border-radius:8px;padding:2px 10px;margin-right:8px;font-weight:700;}
.post-item .meta{font-size:16px;color:var(--sub);margin-top:4px;}
.post-item .right{text-align:right;font-size:16px;color:var(--sub);white-space:nowrap;}
.empty{padding:60px 20px;text-align:center;color:var(--sub);font-size:19px;}

/* 글쓰기/글보기 */
.editor .field textarea{width:100%;min-height:280px;padding:16px 18px;font-size:19px;border:2px solid var(--line);border-radius:12px;font-family:inherit;line-height:1.7;}
.editor .field textarea:focus{outline:none;border-color:var(--blue);}
.post-view h1{font-size:32px;margin-bottom:10px;}
.post-view .meta{color:var(--sub);font-size:17px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px;}
.post-view .content{font-size:20px;line-height:1.8;white-space:pre-wrap;margin-bottom:36px;}
.comments h3{font-size:21px;margin-bottom:16px;}
.comment{padding:16px 0;border-bottom:1px solid var(--line);}
.comment .who{font-weight:700;font-size:17px;}
.comment .when{color:var(--sub);font-size:15px;margin-left:8px;}
.comment .body{margin-top:6px;font-size:18px;}
.comment-form{display:flex;gap:10px;margin-top:18px;}
.comment-form input{flex:1;padding:14px 16px;font-size:18px;border:2px solid var(--line);border-radius:12px;font-family:inherit;}

/* 설정 안내 배너 */
.setup-banner{background:#fffbeb;border:2px solid #fde68a;border-radius:14px;padding:18px 22px;font-size:17.5px;margin:20px auto;max-width:1080px;}

@media(max-width:860px){
  .cards,.plans,.quick,.grid2{grid-template-columns:1fr;}
  .hero h1{font-size:34px;}
  nav.menu{gap:14px;font-size:16px;}
  .nav{height:auto;padding:12px 0;flex-wrap:wrap;}
}