/* ============================================================
   모티풀 12주 챌린지 - 공통 스타일 (motifull tone)
   ============================================================ */
:root{
  --brand:#1f7a5a;         /* deep natural green */
  --brand-dark:#15503b;
  --brand-2:#2ea37a;
  --brand-light:#e9f4ef;
  --brand-soft:#f2f8f5;
  --accent:#c49a4a;        /* gold - 혜택 강조 */
  --ink:#182722;
  --muted:#66766e;
  --line:#e3ebe6;
  --bg:#f6f9f7;
  --white:#fff;
  --danger:#d3453b;
  --ok:#1f9d63;
  --warn:#c9871f;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 6px 24px rgba(21,80,59,.08);
  --shadow-sm:0 2px 8px rgba(21,80,59,.06);
  --maxw:920px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Pretendard','Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;
  color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; line-height:1.6; font-size:16px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.site-header{
  background:var(--white);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.5px;color:var(--brand)}
.logo small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em;margin-top:-2px}
.nav-link{font-size:14px;color:var(--muted);font-weight:600}
.nav-link:hover{color:var(--brand)}

.site-footer{margin-top:60px;padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center}

main{padding:34px 0 20px}

/* hero */
.hero{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;border-radius:var(--radius);padding:46px 34px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.hero:before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:rgba(255,255,255,.08);border-radius:50%}
.hero .eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;opacity:.85;margin-bottom:10px}
.hero h1{margin:0 0 12px;font-size:30px;line-height:1.3;letter-spacing:-.6px}
.hero p{margin:0;opacity:.9;font-size:15px;max-width:560px}

/* card */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.card + .card{margin-top:18px}
.card h2{margin:0 0 4px;font-size:19px;letter-spacing:-.3px}
.card .sub{color:var(--muted);font-size:14px;margin:0 0 18px}
.section-title{font-size:16px;font-weight:800;margin:28px 0 12px;color:var(--brand-dark);
  display:flex;align-items:center;gap:8px}
.section-title:before{content:"";width:4px;height:16px;background:var(--brand);border-radius:2px}

/* grid helpers */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:720px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* form */
.field{margin-bottom:16px}
.field > label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}
.field .hint{color:var(--muted);font-size:12.5px;font-weight:500;margin-left:4px}
.input,select,textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:15px;font-family:inherit;background:var(--white);color:var(--ink);transition:.15s;
}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px var(--brand-light)}
textarea{resize:vertical;min-height:96px}

/* choice chips (radio) */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:.15s;background:var(--white)}
.chip input:checked + span{background:var(--brand);border-color:var(--brand);color:#fff}

/* checkbox row */
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px}
.check input{margin-top:3px;width:18px;height:18px;accent-color:var(--brand);flex:0 0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 22px;border-radius:var(--radius-sm);font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.15s;font-family:inherit;text-align:center}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:var(--white);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-2);color:var(--brand)}
.btn-danger{background:#fff;border-color:#f0c9c6;color:var(--danger)}
.btn-danger:hover{background:#fdecea}
.btn-block{width:100%}
.btn-lg{padding:16px 26px;font-size:16px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* badges */
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge-green{background:var(--brand-light);color:var(--brand-dark)}
.badge-gold{background:#f6edd7;color:#8a6a1e}
.badge-gray{background:#eef2f0;color:var(--muted)}
.badge-red{background:#fdecea;color:var(--danger)}
.badge-blue{background:#e7f0fb;color:#2b6cb0}

/* alerts */
.alert{padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:18px;border:1px solid}
.alert-info{background:var(--brand-soft);border-color:var(--brand-light);color:var(--brand-dark)}
.alert-warn{background:#fdf6e7;border-color:#f3e2b6;color:#8a6a1e}
.alert-error{background:#fdecea;border-color:#f5cfcb;color:var(--danger)}

/* stage timeline */
.stages{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:720px){.stages{grid-template-columns:repeat(2,1fr)}}
.stage-card{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--white);
  display:flex;flex-direction:column;gap:10px;position:relative;transition:.15s}
.stage-card .thumb{aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.stage-card .thumb img{width:100%;height:100%;object-fit:cover}
.stage-head{display:flex;align-items:center;justify-content:space-between}
.stage-head strong{font-size:15px}
.stage-benefit{font-size:12.5px;color:var(--accent);font-weight:700}
.stage-card.locked{opacity:.62;background:var(--bg)}
.stage-card.done{border-color:var(--brand-2);box-shadow:0 0 0 2px var(--brand-light)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:720px){.gallery{grid-template-columns:repeat(2,1fr)}}
.gcard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.gcard .g-imgs{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line)}
.gcard .g-imgs .cell{aspect-ratio:1/1;background:var(--brand-soft);position:relative}
.gcard .g-imgs .cell img{width:100%;height:100%;object-fit:cover}
.gcard .g-imgs .cell span{position:absolute;left:6px;top:6px;background:rgba(0,0,0,.55);color:#fff;font-size:10px;padding:2px 6px;border-radius:6px}
.gcard .g-body{padding:14px 16px}
.gcard .g-body .who{font-weight:700;font-size:14px}
.gcard .g-body .meta{color:var(--muted);font-size:12.5px;margin-top:2px}

/* benefit table */
.btable{width:100%;border-collapse:collapse;font-size:14px}
.btable th,.btable td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.btable th{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.btable td.b{color:var(--accent);font-weight:700}

/* pagination */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin:30px 0 6px;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 10px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:600;color:var(--muted);background:var(--white)}
.pager a:hover{border-color:var(--brand-2);color:var(--brand)}
.pager .on{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .disabled{opacity:.4;pointer-events:none}

/* clickable thumbnails */
.gcard .g-imgs .cell.has-img{cursor:zoom-in}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(10,20,16,.86);display:none;align-items:center;justify-content:center;
  z-index:1000;padding:24px;flex-direction:column;gap:14px}
.lb.on{display:flex}
.lb img{max-width:92vw;max-height:82vh;border-radius:10px;box-shadow:0 12px 40px rgba(0,0,0,.5);object-fit:contain}
.lb .lb-cap{color:#fff;font-size:14px;font-weight:600}
.lb .lb-close{position:absolute;top:18px;right:22px;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;border:none;font-size:22px;cursor:pointer;line-height:1}
.lb .lb-close:hover{background:rgba(255,255,255,.28)}

.center{text-align:center}
.mt-2{margin-top:20px}.mt-3{margin-top:30px}
.muted{color:var(--muted)}
.small{font-size:13px}
.divider{height:1px;background:var(--line);margin:22px 0}