/* RECO AI Lab(recoailab.com) 서비스 소개 페이지 공통 스타일 — 미국 홈(us/index.html)과 같은 토큰·로고.
   폰트는 홈처럼 CDN(Pretendard)·Google Fonts(JetBrains Mono)에서 받는다. 국내 service.css의 로컬 서브셋 폰트는 쓰지 않는다. */
:root{
  --bg:#F8F7F2;--bg-low:#F0EFEA;--card:#FFFFFF;--navy:#0A192F;--ink-2:#3E4C63;--muted:#7A8494;
  --line:rgba(10,25,47,.10);--hair:rgba(10,25,47,.07);--electric:#007AFF;--electric-soft:rgba(0,122,255,.08);
  --gold:#B8791F;--bad:#D64533;--good:#12A150;--glass:rgba(255,255,255,.7);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--navy);font-family:"Pretendard Variable","Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased;font-size:16px;word-break:keep-all}
::selection{background:var(--electric);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:.72rem;font-weight:600;letter-spacing:.18em;color:var(--electric);text-transform:uppercase;margin-bottom:14px}
b,strong{font-weight:700}
.nb{white-space:nowrap}

/* NAV (홈과 동일) */
nav.top{position:fixed;top:0;left:0;right:0;z-index:100;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--hair)}
.nav-in{max-width:1200px;margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;letter-spacing:-.01em;white-space:nowrap}
.logo img{height:30px;width:auto}
.lab{font-family:"JetBrains Mono",monospace;font-size:.66rem;font-weight:600;color:var(--electric);border:1px solid rgba(0,122,255,.3);border-radius:6px;padding:2px 7px;letter-spacing:.08em}
.nav-links{display:flex;gap:26px;font-size:.88rem;color:var(--ink-2);align-items:center;font-weight:500}
.nav-links a:not(.nav-cta):not(.lang-sw):hover{color:var(--navy)}
.lang-sw{font-weight:600;font-size:.82rem;border:1px solid var(--line);border-radius:999px;padding:7px 15px;background:var(--glass);white-space:nowrap}
.lang-sw:hover{border-color:var(--electric);color:var(--electric)}
.nav-cta{background:var(--electric);color:#fff;font-weight:600;font-size:.85rem;padding:11px 22px;border-radius:12px;transition:.25s;box-shadow:0 0 18px rgba(0,122,255,.28);white-space:nowrap}
.nav-cta:hover{background:#0064D6;transform:translateY(-1px)}
@media(max-width:860px){.nav-links a:not(.nav-cta):not(.lang-sw){display:none}}
@media(max-width:480px){.nav-in{padding:0 16px}.nav-links{gap:8px}.lang-sw{padding:6px 11px}.nav-cta{padding:9px 13px;font-size:.8rem}}

/* 페이지 머리 */
.page-hero{padding:148px 0 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(680px 380px at 18% -10%,rgba(0,122,255,.08),transparent 70%)}
.page-hero .wrap{position:relative}
.crumb{font-size:.8rem;color:var(--muted)}
.crumb a:hover{color:var(--navy)}
.page-hero h1{margin-top:18px;font-size:clamp(2.05rem,4.4vw,3.05rem);font-weight:700;line-height:1.28;letter-spacing:-.025em;max-width:900px}
.page-hero .lead{margin-top:20px;font-size:clamp(1rem,1.6vw,1.1rem);color:var(--ink-2);max-width:760px}
.page-hero .lead b{color:var(--navy)}
/* 서비스 요약 — AI 답변이 옮겨 쓰는 핵심 사실(대상·측정 AI·결과·요금)만 */
.summary{margin-top:26px;max-width:760px;background:var(--card);border:1px solid var(--hair);border-left:3px solid var(--electric);border-radius:14px;padding:18px 24px}
.summary .s-title{font-weight:700;font-size:1rem;margin-bottom:8px}
.summary dl{display:grid;gap:5px}
.summary dl>div{display:grid;grid-template-columns:140px 1fr;gap:12px;font-size:.93rem;line-height:1.65}
.summary dt{color:var(--muted);font-weight:600}
.summary dd{color:var(--navy)}
@media(max-width:560px){.summary{padding:16px 18px}.summary dl{gap:10px}.summary dl>div{grid-template-columns:1fr;gap:0}}
.btns{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.95rem;padding:15px 28px;border-radius:14px;transition:.25s}
.btn-ink{background:var(--electric);color:#fff;box-shadow:0 0 20px rgba(0,122,255,.3)}
.btn-ink:hover{background:#0064D6;transform:translateY(-2px)}
.btn-line{background:var(--glass);border:1px solid var(--line);color:var(--navy)}
.btn-line:hover{background:#fff;transform:translateY(-2px)}

/* 섹션 */
section{padding:64px 0}
section.alt{background:var(--bg-low)}
.sec-title{font-size:clamp(1.45rem,2.7vw,2rem);font-weight:700;line-height:1.4;letter-spacing:-.02em}
.sec-desc{margin-top:12px;color:var(--ink-2);max-width:720px}
.note{margin-top:14px;font-size:.82rem;color:var(--muted)}
.note a,.sec-desc a,.lead a,.a a,td a,.band a{color:var(--electric);font-weight:600}
.band a{color:#5EA8FF}

/* 비교 표 */
.tbl{margin-top:30px;overflow-x:auto;background:var(--card);border:1px solid var(--hair);border-radius:18px}
.cmp{width:100%;min-width:560px;border-collapse:collapse;font-size:.93rem}
.cmp th,.cmp td{padding:15px 20px;text-align:left;vertical-align:top}
.cmp thead th{background:#FBFAF6;font-size:.86rem;color:var(--ink-2);font-weight:700;border-bottom:1px solid var(--hair)}
.cmp tbody th{font-weight:600;color:var(--ink-2)}
.cmp tbody tr+tr th,.cmp tbody tr+tr td{border-top:1px solid var(--hair)}
.cmp .num{font-family:"JetBrains Mono",monospace;font-weight:600;white-space:nowrap}
.cmp .hl{color:var(--electric)}
.cmp .zero{color:var(--bad)}

/* 카드 그리드 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:30px}
.card{background:var(--card);border:1px solid var(--hair);border-radius:18px;padding:26px 24px}
.card .tag{font-family:"JetBrains Mono",monospace;font-size:.66rem;font-weight:600;letter-spacing:.14em;color:var(--electric);text-transform:uppercase}
.card h3{margin-top:10px;font-size:1.08rem;font-weight:700;line-height:1.45}
.card .tag+h3{margin-top:10px}
.card h3:first-child{margin-top:0}
.card p{margin-top:8px;font-size:.9rem;color:var(--ink-2)}

/* 네이비 강조 띠 */
.band{margin-top:34px;background:var(--navy);color:#EAF0FA;border-radius:22px;padding:34px 38px;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px 260px at 6% 100%,rgba(0,122,255,.22),transparent 70%)}
.band>*{position:relative}
.band h3{font-size:1.2rem;font-weight:700;line-height:1.55}
.band p{margin-top:14px;font-size:.92rem;color:#B9C6DA}
.band .kpis{display:flex;gap:18px 34px;flex-wrap:wrap;margin-top:18px}
.band .kpi{min-width:150px;flex:1 1 150px}
.band .kpi .v{font-family:"JetBrains Mono",monospace;font-size:1.9rem;font-weight:600;letter-spacing:-.02em;color:#fff;line-height:1.2}
.band .kpi .k{margin-top:4px;font-size:.8rem;color:#9FB0C8;line-height:1.5}
@media(max-width:560px){.band{padding:26px 22px;border-radius:18px}}

/* FAQ (홈과 동일) */
.faq{margin-top:30px;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--hair);border-radius:16px;padding:0 24px;transition:.25s}
.faq details[open]{border-color:rgba(0,122,255,.3);box-shadow:0 6px 16px -8px rgba(10,25,47,.08)}
.faq summary{cursor:pointer;padding:20px 0;font-weight:600;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--electric);font-size:1.4rem;font-weight:400;font-family:"JetBrains Mono",monospace;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 22px;color:var(--ink-2);font-size:.93rem;max-width:780px}

/* 관련 페이지 */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:26px}
.related a{background:var(--card);border:1px solid var(--hair);border-radius:16px;padding:20px 22px;transition:.25s}
.related a:hover{border-color:rgba(0,122,255,.35);transform:translateY(-2px)}
.related .k{font-family:"JetBrains Mono",monospace;font-size:.64rem;letter-spacing:.14em;color:var(--electric);font-weight:600}
.related .t{margin-top:6px;font-weight:700}
.related .d{margin-top:2px;font-size:.85rem;color:var(--ink-2)}

/* CTA */
.cta{background:var(--navy);color:#EAF0FA;position:relative;overflow:hidden;padding:76px 0}
.cta::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(640px 420px at 85% 10%,rgba(0,122,255,.2),transparent 70%)}
.cta .wrap{position:relative;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700;line-height:1.35;color:#F5F8FC;letter-spacing:-.02em}
.cta p{margin-top:10px;color:#B9C6DA;font-size:.98rem;max-width:560px}
.cta .btn-ink{box-shadow:0 0 24px rgba(0,122,255,.45)}

/* FOOTER (홈과 동일) */
footer{padding:56px 0 64px;background:var(--bg-low);border-top:1px solid var(--hair)}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.foot-in .fb{font-weight:700;font-size:1.05rem}
.foot-in .fb .lab{vertical-align:2px}
.foot-in .tagline{font-size:.85rem;color:var(--ink-2);margin-top:6px}
.foot-in .info{font-size:.82rem;color:var(--muted);line-height:1.9}
.foot-in .info a.lk{color:var(--electric);font-weight:600}