/* ecoai.kr — NIE AX 공통 실증실 (시안 v2 · AX 전략+ 결정기록 S13)
   색·글꼴은 지금 운영 페이지(ecoai-home) 그대로 — 초록 현장 노트 톤. 밝은/어두운 화면 둘 다. */
:root{
  --bg:#f6f8f5; --surface:#ffffff; --border:#e0e6dd; --text:#17211a;
  --muted:#5a6b5f; --accent:#1f7a4d; --accent-strong:#16603c; --accent-soft:#e8f3ec;
  --warn:#b4451f; --warn-soft:#fbeee8; --like:#d23c55;
  --shadow:0 1px 2px rgba(23,33,26,.05),0 8px 24px rgba(23,33,26,.05);
  --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101410; --surface:#181e19; --border:#28322a; --text:#e9efe9;
    --muted:#9aab9f; --accent:#5fc78d; --accent-strong:#7fd6a4; --accent-soft:#1a2f23;
    --warn:#f0906a; --warn-soft:#33211a; --like:#ff7a90; --shadow:none;
  }
}
:root[data-theme="dark"]{
  --bg:#101410; --surface:#181e19; --border:#28322a; --text:#e9efe9;
  --muted:#9aab9f; --accent:#5fc78d; --accent-strong:#7fd6a4; --accent-soft:#1a2f23;
  --warn:#f0906a; --warn-soft:#33211a; --like:#ff7a90; --shadow:none;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:"Pretendard","Malgun Gothic","Apple SD Gothic Neo",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.7; -webkit-text-size-adjust:100%;
  word-break:keep-all; overflow-wrap:break-word;
}
a{color:var(--accent)}
img{max-width:100%; display:block}
.wrap{max-width:1040px; margin:0 auto; padding-inline:24px}
.narrow{max-width:760px}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px}

/* 시안 표시 — 배포 때 뺀다 */
.draft{background:var(--warn-soft); color:var(--warn); font-size:13px; font-weight:700; text-align:center; padding:7px 16px}

/* ── 상단 막대 ───────────────────────────── */
.topbar{background:var(--surface); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:20}
.topbar .wrap{display:flex; align-items:center; gap:18px; min-height:60px; flex-wrap:wrap}
.brand{display:flex; flex-direction:column; line-height:1.2; text-decoration:none; color:var(--text)}
.brand small{font-size:11.5px; font-weight:700; color:var(--muted); letter-spacing:.12em}
.brand b{font-size:17px; font-weight:800; color:var(--accent)}
.nav{margin-left:auto; display:flex; gap:4px; flex-wrap:wrap}
.nav a{font-size:14.5px; font-weight:700; color:var(--muted); text-decoration:none; padding:8px 12px; border-radius:9px}
.nav a:hover{background:var(--accent-soft); color:var(--accent)}
.nav a[aria-current="page"]{color:var(--accent); background:var(--accent-soft)}

/* ── 첫 화면 요약 ────────────────────────── */
.hero{background:var(--accent-soft); border-bottom:1px solid var(--border); padding-block:48px 40px}
.badge{display:inline-flex; align-items:center; gap:7px; background:var(--surface); color:var(--accent);
  border:1px solid var(--border); border-radius:999px; padding:6px 14px; font-size:12.5px; font-weight:700; letter-spacing:.04em}
.badge .dot{width:6px; height:6px; border-radius:50%; background:var(--accent); animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion: reduce){ .badge .dot{animation:none} }
.hero h1{margin:16px 0 12px; font-size:34px; line-height:1.4; letter-spacing:-.02em; max-width:24ch; text-wrap:balance}
.hero h1 .hl{color:var(--accent)}
.hero .lead{margin:0; color:var(--muted); max-width:58ch; font-size:16.5px; text-wrap:pretty}
.hero .actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:22px}

.pillars{list-style:none; padding:0; margin:28px 0 0; display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.pillars li{background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:14px 16px}
.pillars b{display:block; color:var(--accent); font-size:15px}
.pillars span{display:block; font-size:14px; color:var(--muted); line-height:1.6}

/* ── 버튼 ─────────────────────────────────── */
.btn{display:inline-flex; align-items:center; gap:7px; font:inherit; font-size:15px; font-weight:700;
  border-radius:10px; padding:10px 16px; text-decoration:none; cursor:pointer; border:1px solid transparent; line-height:1.3; white-space:nowrap}
.btn-primary{background:var(--accent); color:#fff}
:root[data-theme="dark"] .btn-primary{color:#0d1a12}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn-primary{color:#0d1a12} }
.btn-primary:hover{background:var(--accent-strong)}
.btn-line{background:var(--surface); color:var(--accent); border-color:var(--border)}
.btn-line:hover{border-color:var(--accent)}

/* ── 섹션 ─────────────────────────────────── */
.section{padding-block:40px 8px}
.sec-head{display:flex; align-items:end; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:16px}
.sec-head h2{margin:0; font-size:22px; letter-spacing:-.01em}
.sec-head h2 small{font-size:14px; color:var(--muted); font-weight:600; margin-left:6px}
.sort{display:flex; gap:6px}
.sort button{font:inherit; font-size:13.5px; font-weight:700; color:var(--muted); background:var(--surface);
  border:1px solid var(--border); border-radius:999px; padding:6px 13px; cursor:pointer}
.sort button[aria-pressed="true"]{color:#fff; background:var(--accent); border-color:var(--accent)}

/* ── 서비스 카드 ─────────────────────────── */
.cards{display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:16px}
.card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden;
  display:flex; flex-direction:column; box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:16/9; background:var(--accent-soft) center/cover no-repeat; border-bottom:1px solid var(--border); max-width:100%}
.card .body{padding:16px 18px 6px; flex:1}
.card h3{margin:0 0 4px; font-size:18px}
.card h3 a{color:var(--text); text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card .desc{margin:0; font-size:14.5px; color:var(--muted)}
.tags{display:flex; gap:6px; flex-wrap:wrap; margin-top:10px}
.tag{font-size:12px; font-weight:700; color:var(--accent); background:var(--accent-soft); border-radius:6px; padding:2px 8px}
.meta{margin-top:10px; font-size:13px; color:var(--muted)}
.card .foot{display:flex; align-items:center; gap:8px; padding:12px 18px 16px}
.card .foot .like{margin-left:auto}
.card.is-soon{box-shadow:none; border-style:dashed; justify-content:center; align-items:center; text-align:center; padding:28px; color:var(--muted); min-height:200px}
.card.is-soon b{color:var(--text); display:block; margin-bottom:4px}

/* ── 좋아요 ───────────────────────────────── */
.like{display:inline-flex; align-items:center; gap:6px; font:inherit; font-size:14px; font-weight:700;
  color:var(--muted); background:var(--surface); border:1px solid var(--border); border-radius:999px; padding:6px 12px; cursor:pointer;
  font-variant-numeric:tabular-nums}
.like svg{width:17px; height:17px; fill:none; stroke:currentColor; stroke-width:2}
.like[aria-pressed="true"]{color:var(--like); border-color:var(--like)}
.like[aria-pressed="true"] svg{fill:currentColor}
.like.is-big{font-size:15.5px; padding:10px 16px}
/* 저장 기능 전 — 누를 수 없는 좋아요 · 준비 중 안내 (S13 ①-1) */
.like.is-off{cursor:default; border-style:dashed; color:var(--muted)}
.soon{display:inline-block; font-size:12px; font-weight:700; color:var(--warn); background:var(--warn-soft);
  border-radius:6px; padding:1px 7px; vertical-align:2px; letter-spacing:0}
.soon-box{background:var(--bg); border:1px dashed var(--border); border-radius:12px; padding:14px 18px}
.soon-box p{margin:0 0 6px; font-size:15px}
.soon-box p:last-child{margin-bottom:0}
.soon-box .hint{font-size:13px; color:var(--muted)}
/* 의견 = 이메일 (S13 ①-1) */
.mail-box{display:grid; gap:10px}
.mail-box p{margin:0; font-size:15px}
.mail-box .row{display:flex; align-items:center; gap:12px; flex-wrap:wrap}
.mail-box .addr{font-size:14px; color:var(--muted)}
.mail-box .hint{font-size:13px; color:var(--muted)}

/* ── 참여 방법 띠 ────────────────────────── */
.steps3{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; counter-reset:s}
.steps3 li{list-style:none; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:16px 18px}
.steps3 li b{display:block; font-size:16px; margin-bottom:2px}
.steps3 li b::before{counter-increment:s; content:counter(s); display:inline-grid; place-items:center; width:24px; height:24px;
  margin-right:8px; border-radius:7px; background:var(--accent); color:#fff; font-size:13px}
.steps3 li span{font-size:14.5px; color:var(--muted)}
ol.steps3{padding:0; margin:0}

/* ── 본문 글 ─────────────────────────────── */
.prose h2{font-size:21px; margin:34px 0 12px; display:flex; align-items:baseline; gap:10px}
.prose h2 .num{font-size:12.5px; color:var(--accent); font-weight:700; letter-spacing:.08em; font-variant-numeric:tabular-nums}
.prose p{margin:0 0 12px}
.crumb{font-size:13.5px; color:var(--muted); margin:22px 0 0}
.crumb a{color:var(--muted)}
blockquote{margin:18px 0 0; padding:18px 22px; background:var(--surface); border:1px solid var(--border);
  border-left:3px solid var(--accent); border-radius:0 12px 12px 0}
blockquote p{margin:0 0 8px}
blockquote cite{font-style:normal; font-size:13.5px; color:var(--muted); font-weight:600}
ul.notes{list-style:none; padding:0; margin:6px 0 0}
ul.notes li{position:relative; padding:11px 0 11px 22px; border-bottom:1px solid var(--border); font-size:15px}
ul.notes li:last-child{border-bottom:0}
ul.notes li::before{content:""; position:absolute; left:4px; top:21px; width:6px; height:6px; border-radius:50%; background:var(--accent)}
.box{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:20px 22px}
.two{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.two > div{border:1px solid var(--border); border-radius:12px; padding:14px 18px; background:var(--surface)}
.two > div.here{border-color:var(--accent); background:var(--accent-soft)}
.two b{display:block}
.two span{display:block; font-size:14px; color:var(--muted)}
.steps{list-style:none; padding:0; margin:6px 0 0; display:grid; gap:10px}
.steps li{background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:16px 20px; display:grid; grid-template-columns:auto 1fr; gap:14px}
.steps li.key{border-color:var(--accent); background:var(--accent-soft)}
.steps .mark{width:28px; height:28px; border-radius:8px; display:grid; place-items:center; background:var(--accent-soft); color:var(--accent); font-weight:700}
.steps li.key .mark{background:var(--accent); color:#fff}
.steps .name{display:block; font-weight:700}
.steps .room{font-size:13px; font-weight:700; color:var(--accent); margin-left:6px}
.steps .body{font-size:14.5px; color:var(--muted)}

/* ── 서비스 상세 ─────────────────────────── */
.svc{display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,1fr); gap:24px; align-items:start; margin-top:14px}
.svc .shot{border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; background:var(--accent-soft); aspect-ratio:16/10; max-width:100%}
.svc .shot img{width:100%; height:100%; object-fit:cover}
.svc h1{margin:0 0 6px; font-size:30px; letter-spacing:-.02em; line-height:1.35}
.svc .one{margin:0; color:var(--muted); font-size:16px}
dl.facts{display:grid; grid-template-columns:auto 1fr; gap:6px 14px; margin:16px 0 0; font-size:14.5px}
dl.facts dt{color:var(--muted); font-weight:700}
dl.facts dd{margin:0}
.tbd{display:inline-block; font-size:12px; font-weight:700; color:var(--warn); background:var(--warn-soft); border-radius:5px; padding:0 6px; margin-left:4px}
.svc .actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}
.features{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.features div{background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:14px 16px}
.features b{display:block; margin-bottom:2px}
.features span{font-size:14.5px; color:var(--muted)}

/* ── 의견 양식 ───────────────────────────── */
form.fb{display:grid; gap:12px}
.fb .kinds{display:flex; gap:8px; flex-wrap:wrap; border:0; padding:0; margin:0}
.fb .kinds legend{font-size:14px; font-weight:700; margin-bottom:6px; padding:0}
.fb .kinds label{display:inline-flex; align-items:center; gap:6px; font-size:14.5px; background:var(--bg); border:1px solid var(--border); border-radius:999px; padding:6px 12px; cursor:pointer}
.fb .kinds input{accent-color:var(--accent)}
.fb label.lbl{font-size:14px; font-weight:700}
.fb textarea{width:100%; min-height:110px; font:inherit; font-size:15px; color:var(--text); background:var(--bg);
  border:1px solid var(--border); border-radius:10px; padding:10px 12px; resize:vertical}
.fb .hint{font-size:13px; color:var(--muted); margin:0}
.fb .row{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.fb .msg{font-size:14px; font-weight:700; color:var(--accent)}

/* ── 꼬리 ─────────────────────────────────── */
footer{border-top:1px solid var(--border); margin-top:44px; padding:26px 24px 34px; text-align:center; font-size:13px; color:var(--muted)}
footer p{margin:0}
footer .contact{font-size:14.5px; color:var(--text); font-weight:600; margin-bottom:6px}
footer .contact a{text-decoration:none}
footer .domain{font-weight:700; color:var(--text)}

@media (max-width:760px){
  .hero{padding-block:36px 30px}
  .hero h1{font-size:26px}
  .pillars,.steps3,.features,.two{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr}
  .svc h1{font-size:25px}
  .nav{margin-left:0; width:100%; padding-bottom:8px}
  .nav a{padding:6px 10px; font-size:14px}
}