/* ============ MultiLink design system (vivid) ============ */
:root{
  --bg:#07070E; --bg2:#0C0C16; --panel:#12121C; --panel2:#0B0B13; --line:#232331;
  --ink:#F4F4F9; --ink2:#9A9AB2; --ink3:#6E6E86;
  --v:#7C5CFC; --v2:#A78BFF; --mag:#FF3D8A; --coral:#FF5A4D; --mint:#31E6C9;
  --grad:linear-gradient(115deg,#7C5CFC 0%,#B15CFF 45%,#FF3D8A 100%);
  --radius:20px;
  /* 입력창·선택 카드 배경. 라이트 모드에서 함께 바뀌어야 해서 토큰으로 뺐다. */
  --field:#0A0A12;
  /* 기능·요금제 목록 글자. 본문(--ink)보다 한 단계 여린 값. */
  --ink-list:#CDCDDD;
  /* 스크롤 시 반투명해지는 헤더 배경. */
  --navbg:rgba(7,7,14,.72);
}

/* 라이트 모드 — 토글이 <html data-theme="light"> 를 붙인다.
   색만 갈아끼우고 구조·간격은 그대로 둔다. */
:root[data-theme="light"]{
  --bg:#FFFFFF; --bg2:#F7F7FB; --panel:#FFFFFF; --panel2:#F4F4F8; --line:#E4E4ED;
  --ink:#14141C; --ink2:#5A5A70; --ink3:#6B6B80;
  --field:#F7F7FB;
  --ink-list:#3F3F52;
  --navbg:rgba(255,255,255,.78);
}

/* glow(배경 번짐)는 어두운 배경 기준으로 잡힌 값이라 흰 배경에서는 너무 진하다.
   밝은 화면에서만 옅게 낮춘다 — 안 그러면 그 위 글자가 묻힌다. */
:root[data-theme="light"] .glow{opacity:.10!important;filter:blur(120px)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Pretendard',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden;letter-spacing:-.005em}
.dsp{font-family:'Archivo',sans-serif}
.wrap{max-width:1220px;margin:0 auto;padding:0 40px}
a{color:inherit}
img{max-width:100%;display:block}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

.glow{position:absolute;filter:blur(100px);border-radius:50%;z-index:0;pointer-events:none}

/* ---------- buttons ---------- */
.btn{font-weight:700;font-size:15px;border-radius:12px;padding:11px 21px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s;font-family:inherit}
.btn:hover{border-color:var(--v2);transform:translateY(-1px)}
.btn.pri{background:var(--grad);border:none;color:#fff;box-shadow:0 10px 34px -10px rgba(124,92,252,.75)}
.btn.pri:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn.coral{background:var(--coral);border:none;color:#fff;box-shadow:0 10px 30px -12px rgba(255,90,77,.7)}
.btn.lg{padding:16px 30px;font-size:16px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- nav ---------- */
nav.site{position:sticky;top:0;z-index:80;background:var(--navbg);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
nav.site.scr{border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:'Archivo';font-weight:900;font-size:23px;letter-spacing:-.02em;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dotv{width:12px;height:12px;border-radius:4px;background:var(--grad);box-shadow:0 0 18px rgba(124,92,252,.8)}
.menu{display:flex;gap:34px;font-size:15px;color:var(--ink2);font-weight:500}
.menu a{color:inherit;text-decoration:none;transition:color .2s}
.menu a:hover,.menu a.active{color:var(--ink)}
.menu a.active{position:relative}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px}
.navcta{display:flex;gap:10px;align-items:center}
.btn.thm{padding:10px;width:40px;height:40px;color:var(--ink2)}
.btn.thm:hover{color:var(--ink)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.mobile{display:none}

/* ---------- generic section ---------- */
section{position:relative;z-index:2}
.sec{padding-top:80px;padding-bottom:80px}
.kick{display:inline-block;margin-bottom:8px;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
h1{font-family:'Archivo';font-weight:900;letter-spacing:-.035em;line-height:1.1}
h2{font-family:'Archivo';font-size:44px;letter-spacing:-.03em;font-weight:800;margin-top:6px;line-height:1.22}
.lead{color:var(--ink2);font-size:18px;margin-top:16px;max-width:640px;line-height:1.72}

/* page hero (inner pages) */
.phero{position:relative;padding-top:96px;padding-bottom:88px;overflow:hidden;min-height:440px;display:flex;flex-direction:column;justify-content:center;width:100%}
.phero .phero-in{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center}
.phero .g1{width:900px;height:700px;background:#7C5CFC;opacity:.32;top:-260px;left:-420px}
.phero .g2{width:760px;height:620px;background:#FF3D8A;opacity:.22;top:-160px;right:-360px}
.phero .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--ink);border:1px solid var(--line);background:rgba(124,92,252,.13);padding:8px 16px;border-radius:100px;margin-bottom:22px}
.phero h1{font-size:56px}
.phero .u{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero .c{color:var(--coral)}
.phero p{margin-top:20px;font-size:19px;color:var(--ink2);max-width:600px;line-height:1.72}
.phero .cta-row{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- cards / grids ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:linear-gradient(180deg,var(--panel),var(--panel2));transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:#3A3350}
.card .ico{width:50px;height:50px;border-radius:14px;background:rgba(124,92,252,.15);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--v2);font-size:22px;margin-bottom:18px}
.card h3{font-size:20px;font-weight:800;letter-spacing:-.02em}
.card p{color:var(--ink2);font-size:15px;margin-top:11px;line-height:1.72}

/* feature detail row */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.frow:first-of-type{border-top:none}
.frow.rev .fmedia{order:2}
.frow .num{font-family:'Archivo';font-weight:800;font-size:13px;color:var(--coral);letter-spacing:.06em}
.frow h3{font-family:'Archivo';font-size:30px;font-weight:800;letter-spacing:-.02em;margin-top:12px;line-height:1.2}
.frow p{color:var(--ink2);font-size:16px;margin-top:14px;line-height:1.72}
.frow ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:12px}
.frow li{display:flex;gap:11px;font-size:15px;color:var(--ink-list)}
.frow li::before{content:"✓";color:var(--coral);font-weight:800}
.fmedia{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--panel),var(--panel2));min-height:300px;position:relative;overflow:hidden;padding:24px;display:flex;flex-direction:column;justify-content:center}

/* type compare */
.tgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.tc{border:1px solid var(--line);border-radius:22px;padding:34px;background:var(--panel);transition:.25s}
.tc:hover{transform:translateY(-4px)}
.tc.live{border:1px solid transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--grad) border-box}
.tc .tag{font-size:12px;font-weight:800;letter-spacing:.05em;color:var(--ink2)}
.tc h3{font-family:'Archivo';font-size:26px;font-weight:800;margin-top:13px}
.tc.live h3{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tc p{color:var(--ink2);margin-top:12px;font-size:15px;line-height:1.7}
.tc ul{margin-top:22px;list-style:none;display:flex;flex-direction:column;gap:12px}
.tc li{font-size:14.5px;color:var(--ink-list);display:flex;gap:11px}
.tc li::before{content:"◆";color:var(--v2);font-size:11px}
.tc.live li::before{color:var(--coral)}

/* comparison table */
.ctable{margin-top:44px;border:1px solid var(--line);border-radius:18px;overflow:hidden;width:100%;border-collapse:collapse}
.ctable th,.ctable td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.ctable thead th{background:var(--panel);font-family:'Archivo';font-weight:800;font-size:14px}
.ctable td.c{text-align:center}
.ctable .yes{color:var(--mint);font-weight:800}
.ctable .no{color:var(--ink3)}
.ctable tr:last-child td{border-bottom:none}

/* pricing */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.price{border:1px solid var(--line);border-radius:20px;padding:32px;background:var(--panel);transition:.25s}
.price:hover{transform:translateY(-4px)}
.price.pop{border:1px solid transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--grad) border-box;position:relative}
.pill{position:absolute;top:-12px;left:32px;font-size:11px;font-weight:800;background:var(--coral);padding:5px 12px;border-radius:100px;color:#fff}
.price .pn{font-size:15px;font-weight:700;color:var(--ink2)}
.price .amt{font-family:'Archivo';font-size:40px;font-weight:800;margin-top:10px;letter-spacing:-.02em}
.price .amt small{font-size:15px;color:var(--ink2);font-weight:600}
.price ul{list-style:none;margin:22px 0;display:flex;flex-direction:column;gap:12px}
.price li{font-size:14px;color:var(--ink-list);display:flex;gap:10px}.price li::before{content:"✓";color:var(--v2);font-weight:800}

/* FAQ accordion */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qa .q{width:100%;text-align:left;background:none;border:none;color:var(--ink);font-family:inherit;font-size:17px;font-weight:700;padding:22px 44px 22px 4px;cursor:pointer;position:relative}
.qa .q::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--v2);transition:.25s}
.qa.open .q::after{transform:translateY(-50%) rotate(45deg)}
.qa .a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink2);font-size:15px;line-height:1.75}
.qa .a p{padding:0 4px 22px}

/* auth / forms */
.authwrap{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:56px 20px;position:relative;overflow:hidden}
.authcard{width:100%;max-width:440px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,var(--panel),var(--panel2));padding:38px;position:relative;z-index:2}
.authcard.wide{max-width:560px}
.authcard h1{font-family:'Archivo';font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.authcard .sub{color:var(--ink2);font-size:15px;margin-top:8px}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink2);margin-bottom:8px}
.field .inrow{display:flex;gap:8px}
.inp{width:100%;background:var(--field);border:1px solid var(--line);border-radius:12px;padding:14px 15px;color:var(--ink);font-size:15px;font-family:inherit;transition:.2s}
.inp:focus{outline:none;border-color:var(--v2);box-shadow:0 0 0 3px rgba(124,92,252,.18)}
.inp::placeholder{color:#55556A}
.hintline{font-size:12.5px;color:var(--ink3);margin-top:7px}
.hintline b{color:var(--coral)}
.divider{display:flex;align-items:center;gap:14px;margin:24px 0;color:var(--ink3);font-size:13px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.sns{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sns button{aspect-ratio:1;border-radius:12px;border:1px solid var(--line);background:var(--field);color:var(--ink2);font-size:20px;cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center;font-weight:800}
.sns button:hover{border-color:var(--v2);color:var(--ink);transform:translateY(-2px)}
.formfoot{margin-top:22px;text-align:center;font-size:14px;color:var(--ink2)}
.formfoot a{color:var(--v2);text-decoration:none;font-weight:700}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink2);cursor:pointer;padding:10px 0}
.checkline input{margin-top:3px;accent-color:var(--v)}
.checkline a{color:var(--v2);text-decoration:underline}

/* wizard */
.steps{display:flex;gap:8px;margin-bottom:26px}
.steps .st{flex:1;height:5px;border-radius:100px;background:var(--line);position:relative;overflow:hidden}
.steps .st.on{background:var(--grad)}
.steps .st.done{background:var(--v)}
.steplabel{font-size:13px;color:var(--v2);font-weight:700;margin-bottom:6px}
.wstep{display:none}
.wstep.active{display:block;animation:fade .35s}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.typechoice{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.typeopt{border:1px solid var(--line);border-radius:16px;padding:20px;cursor:pointer;transition:.2s;background:var(--field)}
.typeopt:hover{border-color:var(--v2)}
.typeopt.sel{border-color:transparent;background:linear-gradient(var(--field),var(--field)) padding-box,var(--grad) border-box}
.typeopt .tt{font-family:'Archivo';font-weight:800;font-size:17px}
.typeopt .td{font-size:13px;color:var(--ink2);margin-top:6px;line-height:1.55}
.wnav{display:flex;gap:10px;margin-top:26px}
.done-badge{width:76px;height:76px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 20px;box-shadow:0 16px 40px -12px rgba(124,92,252,.7)}

/* toast */
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:14px 22px;border-radius:14px;font-size:14px;font-weight:600;box-shadow:0 20px 50px -18px rgba(0,0,0,.7);opacity:0;transition:.3s;z-index:200;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast b{color:var(--coral)}

/* footer */
footer.site{border-top:1px solid var(--line);padding:56px 0 40px;color:#6E6E86;font-size:13px;position:relative;z-index:2;margin-top:40px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.fgrid .about{max-width:280px}
.fgrid .about p{color:var(--ink3);margin-top:14px;line-height:1.7}
.fcol h4{font-size:13px;font-weight:800;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.fcol a{display:block;color:#8686A0;text-decoration:none;margin-bottom:10px;transition:.2s;font-size:13.5px}
.fcol a:hover{color:var(--ink)}
.fbottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-top:26px;color:var(--ink3)}
.fbottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.fbottom a{color:var(--ink3);text-decoration:none}.fbottom a:hover{color:var(--ink)}

/* marquee */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;overflow:hidden;position:relative;z-index:2}
.strip::before,.strip::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:3;pointer-events:none}
.strip::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.strip::after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
.track{display:flex;white-space:nowrap;animation:scroll 34s linear infinite;width:max-content;will-change:transform}
.strip:hover .track{animation-play-state:paused}
.track span{font-family:'Archivo';font-weight:800;color:#3A3A4C;font-size:19px;letter-spacing:.02em;margin-right:56px}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

@media(max-width:960px){
  .wrap{padding:0 22px}
  .menu,.navcta .btn:not(.pri){display:none}
  .burger{display:flex}
  .mobile{display:none;position:fixed;inset:72px 0 0;background:var(--bg);z-index:70;padding:30px 24px;flex-direction:column;gap:6px}
  .mobile.open{display:flex}
  .mobile a{padding:16px 4px;font-size:18px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
  .mobile .btn{margin-top:20px}
  h1{font-size:40px!important}h2{font-size:30px}
  .grid3,.grid2,.tgrid,.pgrid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr;gap:26px;padding:40px 0}
  .frow.rev .fmedia{order:0}
  .fgrid{grid-template-columns:1fr 1fr}
  .phero h1{font-size:40px}
}

.phero .eyebrow,.phero .phero-in .eyebrow{align-self:flex-start}
.phero.tc{text-align:center}
.phero.tc .eyebrow,.phero.tc .phero-in .eyebrow{align-self:center}

/* ===== v7 phero unification (final) ===== */
.phero{position:relative;overflow:hidden;width:100%;min-height:460px;padding-top:96px;padding-bottom:88px;display:flex;flex-direction:column;justify-content:center;background:transparent;border:0;border-radius:0;margin:0}
.phero::before{content:"";position:absolute;inset:0;pointer-events:none;background:
 radial-gradient(1000px 640px at 10% -12%, rgba(124,92,252,.30), transparent 62%),
 radial-gradient(820px 600px at 92% 8%, rgba(255,61,138,.15), transparent 62%);}
.phero .glow{display:none}
.phero .phero-in{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;padding-top:0;padding-bottom:0}
.phero .eyebrow{align-self:flex-start}
.phero.tc .phero-in{align-items:center;text-align:center}
.phero.tc .eyebrow{align-self:center}
.phero-in.lhero{display:grid}

/* ===== v8 auth layout & sns colors ===== */
.authwrap{align-items:flex-start !important;padding-top:64px !important;padding-bottom:80px !important;min-height:calc(100vh - 72px)}
.authcard{margin-top:0}
.wnav{display:flex;gap:10px;margin-top:26px;align-items:stretch}
.wnav .btn{flex:none;white-space:nowrap;padding:14px 22px}
.wnav .btn.block{flex:1}
.sns button{font-family:'Archivo','Pretendard',sans-serif;font-weight:800;font-size:18px;border:none;transition:.2s}
.sns .sns-naver{background:#03C75A;color:#fff}
.sns .sns-google{background:#fff;color:#1F1F1F;border:1px solid #DADCE0}
.sns .sns-kakao{background:#FEE500;color:#191919}
.sns .sns-apple{background:#fff;color:#000}
.sns button:hover{transform:translateY(-2px);filter:brightness(1.05)}

/* v10 */
.navuser{font-size:14px;color:var(--ink2);font-weight:700;margin-right:6px;white-space:nowrap}

/* v12 */
.hintline.ok{color:var(--mint)}
.hintline.err{color:var(--coral)}
