/* Virtual Office — 서비스 페이지 공용 스타일
   개념: 아침 9시 사무실. 차가운 회색 바탕, 잉크색 글자, 형광등 대신 앰버 조명 하나 */
:root{
  --bg:#F4F6F9; --surface:#FFFFFF; --surface-2:#EDF0F4;
  --ink:#14171D; --ink-2:#434A57; --muted:#5D6472; --line:#DFE3E9;
  --accent:#F0B43E; --accent-ink:#14171D;
  --blue:#2457C9; --blue-soft:#E7EEFC; --ok:#2E7A53; --danger:#B42318;
  --unc-bg:#FBE4A8; --unc-ink:#4A2E00; --unc-line:#B47A1B;
  --font:'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --r:14px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0E1116; --surface:#161A21; --surface-2:#1D222B;
    --ink:#ECEEF2; --ink-2:#C4C9D3; --muted:#9AA1AE; --line:#2A303A;
    --blue:#86A8F2; --blue-soft:#1C2740; --ok:#5BC08A; --danger:#F07468;
    --unc-bg:#5A4513; --unc-ink:#FCE8B8; --unc-line:#E0A93A;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1116; --surface:#161A21; --surface-2:#1D222B;
  --ink:#ECEEF2; --ink-2:#C4C9D3; --muted:#9AA1AE; --line:#2A303A;
  --blue:#86A8F2; --blue-soft:#1C2740; --ok:#5BC08A; --danger:#F07468;
  --unc-bg:#5A4513; --unc-ink:#FCE8B8; --unc-line:#E0A93A;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--font);word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--blue)}
img,svg{max-width:100%}
h1,h2,h3{line-height:1.25;text-wrap:balance;margin:0}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font:600 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font:600 15px/1 var(--font);text-decoration:none;cursor:pointer;transition:transform .12s, background .12s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#E5A52C}
.btn-ink{background:var(--ink);color:var(--bg)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface-2)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-block{width:100%}

/* 머리글 */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:11;background:var(--bg)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em}
.mark{width:30px;height:30px;border-radius:8px;background:var(--ink);color:var(--bg);display:grid;place-items:center;font:700 12px/1 var(--mono)}
.mark i{display:block;width:8px;height:8px;border-radius:2px;background:var(--accent);margin-left:2px}
.nav{display:flex;gap:4px}
.nav a{color:var(--ink-2);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:15px}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.top .act{display:flex;gap:8px;align-items:center}
@media (max-width:860px){.nav{display:none}}
@media (max-width:420px){.top .act .btn-ghost{display:none}}

/* 히어로 */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,56px);letter-spacing:-.03em;margin:16px 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%, color-mix(in srgb, var(--accent) 55%, transparent) 62%)}
.hero p.lead{font-size:18px;color:var(--ink-2);max-width:34em;margin:0 0 28px}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap}
.hero .note{margin-top:14px;font-size:14px;color:var(--muted)}
@media (max-width:900px){.hero{padding:40px 0}.hero .wrap{grid-template-columns:minmax(0,1fr);gap:36px}}

/* 대화 장면 카드 (제품 화면을 그대로 보여준다) */
.scene{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px -24px rgba(20,30,50,.35);overflow:hidden}
.scene .bar{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2);flex-wrap:wrap}
.scene .bar .clock{font:500 13px/1 var(--mono);color:var(--ink-2)}
.chip{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.chip-ok{background:var(--ok);color:#fff}
.scene .body{padding:18px;display:flex;flex-direction:column;gap:14px}
.ln{display:flex;flex-direction:column;gap:4px;max-width:88%}
.ln .who{font-size:12px;font-weight:600;display:flex;gap:8px;align-items:baseline}
.ln .who span{font:400 12px/1 var(--mono);color:var(--muted)}
.ln .b{padding:10px 14px;font-size:15px;line-height:1.55}
.ln.emp .b{background:var(--blue-soft);border-radius:4px 14px 14px 14px}
.ln.emp .later{color:var(--muted)}
.ln.emp .now{background:color-mix(in srgb, var(--blue) 25%, transparent);border-radius:3px}
.ln.me{align-self:flex-end;align-items:flex-end}
.ln.me .b{background:var(--ink);color:var(--bg);border-radius:14px 4px 14px 14px}
.unc{background:var(--unc-bg);color:var(--unc-ink);border-bottom:2px dashed var(--unc-line);border-radius:3px;padding:0 2px}
.ln .hint{font-size:12px;color:var(--muted)}
.scene .foot{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid var(--line)}
.mic{width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;flex-shrink:0}
.scene .foot b{display:block;font-size:14px}
.scene .foot small{color:var(--muted);font-size:12px}
.caption{font-size:13px;color:var(--muted);margin:12px 4px 0}

/* 섹션 */
section.blk{padding:72px 0;border-top:1px solid var(--line)}
section.blk h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.02em;margin:10px 0 14px}
section.blk .sub{color:var(--ink-2);max-width:40em;margin:0 0 36px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:8px}
.steps li::before{counter-increment:s;content:counter(s, decimal-leading-zero);font:600 13px/1 var(--mono);color:var(--muted)}
.steps h3{font-size:19px}
.steps p{margin:0;color:var(--ink-2);font-size:15px}
.steps .time{font:500 12px/1 var(--mono);color:var(--muted);margin-top:auto;padding-top:8px}
@media (max-width:820px){.steps{grid-template-columns:minmax(0,1fr)}}

.diff{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.diff > div{padding:26px;border-bottom:1px solid var(--line)}
.diff > div:nth-child(odd){border-right:1px solid var(--line)}
.diff > div:nth-last-child(-n+2){border-bottom:0}
.diff h3{font-size:18px;margin-bottom:8px}
.diff p{margin:0;color:var(--ink-2);font-size:15px}
.diff .ex{margin-top:12px;font-size:14px;padding:10px 12px;border-radius:10px;background:var(--surface-2)}
@media (max-width:760px){.diff{grid-template-columns:minmax(0,1fr)}.diff > div{border-right:0!important;border-bottom:1px solid var(--line)!important}.diff > div:last-child{border-bottom:0!important}}

.team{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.person{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:10px}
.person .av{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700}
.person h3{font-size:17px}
.person .role{font-size:13px;color:var(--muted);margin-top:-6px}
.person .rel{align-self:flex-start;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink-2)}
.person p{margin:0;font-size:14px;color:var(--ink-2)}
.person q{font-size:14px;font-style:italic;color:var(--ink);margin-top:auto;padding-top:6px;border-top:1px dashed var(--line)}
@media (max-width:980px){.team{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.team{grid-template-columns:minmax(0,1fr)}}

.faq{max-width:780px;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 18px/1 var(--mono);color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 16px;color:var(--ink-2)}

.band{padding:64px 0;background:var(--ink);color:var(--bg)}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em}
.band p{margin:6px 0 0;opacity:.75}

footer.foot{padding:36px 0 calc(36px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:13px}
footer.foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.foot nav{display:flex;gap:16px;flex-wrap:wrap}
footer.foot a{color:var(--ink-2);text-decoration:none}
footer.foot a:hover{text-decoration:underline}

/* 인증 페이지 */
.auth{min-height:100vh;display:flex;flex-direction:column}
.auth main{flex:1;display:grid;place-items:center;padding:32px 0 48px}
.card{width:min(440px,100%);background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;flex-direction:column;gap:18px;box-shadow:0 18px 50px -30px rgba(20,30,50,.35)}
@media (max-width:480px){.card{padding:24px 20px;border-radius:14px}}
.card h1{font-size:24px;letter-spacing:-.02em}
.card .sub{margin:-8px 0 0;color:var(--ink-2);font-size:15px}
form{display:flex;flex-direction:column;gap:14px;margin:0}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600}
.field input{min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:16px var(--font)}
.field input:focus{outline:3px solid color-mix(in srgb, var(--blue) 40%, transparent);border-color:var(--blue)}
.field .help{font-size:13px;color:var(--muted)}
.row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:14px;flex-wrap:wrap}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.social{display:flex;flex-direction:column;gap:10px}
.btn-google{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-google:hover{background:var(--surface-2)}
.btn-kakao{background:#FEE500;color:#191600}
.btn-kakao:hover{background:#F5DC00}
.msg{border-radius:10px;padding:12px 14px;font-size:14px}
.msg.err{background:color-mix(in srgb, var(--danger) 12%, transparent);color:var(--danger)}
.msg.ok{background:color-mix(in srgb, var(--ok) 14%, transparent);color:var(--ink)}
.msg.warn{background:var(--unc-bg);color:var(--unc-ink)}
.consent{border:1px solid var(--line);border-radius:12px;padding:6px 14px}
.consent label{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px;cursor:pointer}
.consent label.all{font-weight:700;border-bottom:1px solid var(--line)}
.consent input{width:18px;height:18px;accent-color:var(--ink);flex-shrink:0}
.consent a{margin-left:auto;font-size:13px}
.levels{display:grid;gap:10px;border:0;padding:0;margin:0}
.levels legend{font-size:14px;font-weight:600;margin-bottom:8px}
.levels label{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.levels label:has(input:checked){border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.levels input{margin-top:4px;accent-color:var(--ink)}
.levels b{display:block;font-size:15px}
.levels small{color:var(--muted);font-size:13px}
.doc{max-width:760px;padding:48px 0 72px}
.doc h1{font-size:30px;margin-bottom:12px}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}