/* AX Flywheel — 공통 스타일 (index + cases/*) */
:root{
  --ink:#080E1B; --ink-2:#1F2937; --g5:#4B5563; --g4:#6B7280; --g3:#9CA3AF; --line:#E5E7EB; --line-2:#F1F2F6;
  --page:#FFFFFF; --soft:#F6F7FB;
  --blue:#2F6BFF; --blue-soft:#EEF3FF; --blue-line:#C9D8FF;
  --violet:#7B32FF; --violet-soft:#F3ECFF; --violet-line:#DCC8FF;
  --magenta:#D65CFF; --sky:#BCEBFF; --cyan:#22C7FF;
  --amber:#B45309; --amber-soft:#FFFBEB; --amber-line:#FDE68A;
  --grad:linear-gradient(100deg,#22C7FF 0%,#2F6BFF 35%,#7B32FF 70%,#D65CFF 100%);
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,sans-serif;background:var(--page);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
b,strong{font-weight:700;color:var(--ink)}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.gt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lsym{display:inline-block;flex-shrink:0;background:url(assets/logo-sym.webp) center/contain no-repeat;width:40px;height:28px}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;height:64px;gap:28px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{font-size:14.5px;font-weight:600;color:var(--g5);padding:8px 12px;border-radius:8px}
.nav a:hover{color:var(--blue);background:var(--blue-soft)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:12px 20px;border-radius:10px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s,box-shadow .15s}
.btn svg{width:17px;height:17px}
.btn-pri{background:var(--ink);color:#fff}
.btn-pri:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(47,107,255,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-line);color:var(--blue)}
.btn-sm{padding:9px 15px;font-size:14px}

/* section scaffolding */
section{padding:104px 0}
.soft{background:var(--soft)}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
h2.h{font-size:40px;line-height:1.28;letter-spacing:-.03em;font-weight:800;margin-top:12px}
.pt{color:var(--blue)} .pv{color:var(--violet)}
.lead{font-size:18px;color:var(--g5);margin-top:16px;max-width:760px}
.src{font-size:12px;color:var(--g4);margin-top:10px;line-height:1.5}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:0 1px 2px rgba(8,14,27,.04)}
.card h3{font-size:18px;font-weight:800;letter-spacing:-.015em}
.card p{font-size:15px;color:var(--g5);margin-top:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);color:var(--blue);margin-bottom:16px}
.ic svg{width:22px;height:22px}
.ic.v{background:var(--violet-soft);color:var(--violet)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:100px;border:1px solid var(--line);background:#fff;color:var(--g5)}
.tag.blue{background:var(--blue-soft);border-color:var(--blue-line);color:var(--blue)}
.tag.violet{background:var(--violet-soft);border-color:var(--violet-line);color:var(--violet)}

/* browser frame */
.shot{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px rgba(8,14,27,.12);background:#fff}
.shot .bar{height:30px;background:#F3F4F6;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid var(--line)}
.shot .bar i{width:10px;height:10px;border-radius:50%;display:block}
.shot .bar i:nth-child(1){background:#FF5F57}.shot .bar i:nth-child(2){background:#FEBC2E}.shot .bar i:nth-child(3){background:#28C840}
.shot .bar span{margin-left:10px;font-size:11.5px;color:var(--g4);background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 10px}
.phone{border-radius:28px;overflow:hidden;border:8px solid var(--ink);box-shadow:0 24px 60px rgba(8,14,27,.16);background:#fff;max-width:260px}
.cap{font-size:12.5px;color:var(--g4);margin-top:10px}

/* hero */
.hero{padding:96px 0 104px;background:radial-gradient(900px 480px at 85% 0%,rgba(123,50,255,.10),transparent 60%),radial-gradient(800px 420px at 0% 10%,rgba(47,107,255,.08),transparent 60%),#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:58px;line-height:1.18;letter-spacing:-.04em;font-weight:800;margin-top:18px}
.hero .def{font-size:20px;color:var(--ink-2);margin-top:26px;line-height:1.65}
.hero .def b{color:var(--ink)}
.hero .ctas{display:flex;gap:10px;margin-top:34px;flex-wrap:wrap}
.hero .art{position:relative;aspect-ratio:1/0.75}
.hero .art .lsym{position:absolute;inset:0;width:100%;height:100%;filter:drop-shadow(0 30px 60px rgba(123,50,255,.25))}
.hero .chips{display:flex;gap:8px;margin-top:28px;flex-wrap:wrap}

/* stats (承) */
.stat{font-size:52px;font-weight:800;letter-spacing:-.035em;line-height:1}
.stat small{font-size:22px;font-weight:700;margin-left:2px}
.stat-l{font-size:15px;color:var(--g5);margin-top:14px}
.stat-k{font-size:13px;font-weight:800;color:var(--g4);letter-spacing:.06em;margin-bottom:14px}

/* 轉 — 유일한 다크 밴드 */
.turn{background:#080E1B;color:#E6E9F5;position:relative;overflow:hidden;padding:120px 0}
.turn::before{content:"";position:absolute;right:-200px;top:-300px;width:900px;height:900px;background:radial-gradient(closest-side,rgba(123,50,255,.34),transparent 70%)}
.turn::after{content:"";position:absolute;left:-260px;bottom:-360px;width:860px;height:860px;background:radial-gradient(closest-side,rgba(47,107,255,.26),transparent 70%)}
.turn .wrap{position:relative;z-index:1}
.turn .eyebrow{color:#B9A6FF}
.turn h2.h{color:#fff;font-size:44px}
.turn .lead{color:#AAB2CC}
.turn b{color:#fff}
.rev{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:56px;align-items:center}
.dk{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:32px}
.dk .k{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:#8F9AC0;text-transform:uppercase}
.dk .big{font-size:84px;font-weight:800;letter-spacing:-.05em;line-height:1;margin-top:8px;color:#fff}
.dk .big small{font-size:34px}
.hb{display:grid;grid-template-columns:140px 1fr 60px;gap:14px;align-items:center;font-size:15px;color:#D5DAEE;margin-top:12px}
.hb .t{height:14px;border-radius:7px;background:rgba(255,255,255,.08);overflow:hidden}
.hb .t span{display:block;height:100%;border-radius:7px}
.hb b{text-align:right;font-variant-numeric:tabular-nums}
.hb-l{font-size:12.5px;font-weight:700;margin-top:18px}
.verdict{font-size:40px;font-weight:800;line-height:1.3;letter-spacing:-.03em;color:#fff}
.def-box{margin-top:26px;padding:22px 26px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);font-size:22px;font-weight:800;line-height:1.55;color:#fff}

/* timeline */
.tl{position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--grad);border-radius:2px}
.tl .s{position:relative;padding-bottom:24px}
.tl .s:last-child{padding-bottom:0}
.tl .s::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--violet)}
.tl .d{font-size:13px;font-weight:800;color:var(--blue)}
.tl .h{font-size:17px;font-weight:800;margin-top:2px}
.tl .x{font-size:14.5px;color:var(--g5);margin-top:4px}

/* ladder */
.rung{display:flex;flex-direction:column}
.rung .no{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;background:var(--ink)}
.rung:nth-child(2) .no{background:var(--blue)} .rung:nth-child(3) .no{background:var(--violet)} .rung:nth-child(4) .no{background:linear-gradient(135deg,#7B32FF,#D65CFF)}
.rung h3{margin-top:16px;font-size:20px}
.rung .per{font-size:13px;color:var(--g4);font-weight:600;margin-top:2px}
.rung .out{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);font-size:13.5px;font-weight:700;color:var(--violet);display:flex;gap:7px;align-items:center}
.rung .out svg{width:16px;height:16px}
.trig{display:grid;grid-template-columns:auto 1fr 1fr 1fr;gap:20px;align-items:center;margin-top:16px;padding:18px 24px}
.trig .k{font-size:12.5px;font-weight:800;color:var(--violet);letter-spacing:.06em}
.trig div{font-size:14.5px;color:var(--g5)}

/* case cards */
.case{display:flex;flex-direction:column;overflow:hidden;padding:0;transition:transform .2s,box-shadow .2s}
.case:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(8,14,27,.10)}
.case .thumb{aspect-ratio:16/10;background:var(--soft);overflow:hidden;border-bottom:1px solid var(--line)}
.case .thumb img{width:100%;height:100%;object-fit:cover;object-position:top left}
.case .body{padding:24px;display:flex;flex-direction:column;flex:1}
.case h3{margin-top:12px}
.case .more{margin-top:auto;padding-top:18px;font-size:14px;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:6px}
.case .more svg{width:16px;height:16px}

/* CTA */
.cta{background:radial-gradient(800px 400px at 100% 0%,rgba(123,50,255,.10),transparent 60%),var(--soft)}
.cta-box{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.contact{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.contact a,.contact div{display:flex;align-items:center;gap:12px;font-size:16px;color:var(--ink-2)}
.contact svg{width:19px;height:19px;color:var(--blue)}

/* footer */
.ft{padding:44px 0 56px;border-top:1px solid var(--line);font-size:13px;color:var(--g4)}
.ft .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ft .biz{line-height:1.9}

/* case detail */
.crumb{font-size:14px;color:var(--g4);display:inline-flex;align-items:center;gap:6px;font-weight:600}
.crumb:hover{color:var(--blue)}
.crumb svg{width:16px;height:16px}
.c-hero{padding:56px 0 64px;background:radial-gradient(900px 420px at 90% 0%,rgba(123,50,255,.08),transparent 60%),#fff;border-bottom:1px solid var(--line)}
.c-hero h1{font-size:46px;line-height:1.22;letter-spacing:-.035em;font-weight:800;margin-top:16px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.facts>div{padding:18px 22px;border-right:1px solid var(--line)}
.facts>div:last-child{border-right:none}
.facts .k{font-size:12px;font-weight:800;color:var(--g4);letter-spacing:.06em}
.facts .v{font-size:15.5px;font-weight:700;margin-top:4px}
.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:stretch}
.ba .arrow{display:flex;align-items:center;color:var(--violet)}
.ba .arrow svg{width:28px;height:28px}
.ba ul{list-style:none;margin-top:10px}
.ba li{font-size:15px;color:var(--g5);padding:8px 0 8px 28px;border-bottom:1px dashed var(--line);position:relative}
.ba li:last-child{border-bottom:none}
.ba li>:first-child{position:absolute;left:0;top:12px;width:17px;height:17px}
.ba .before li>:first-child{color:var(--g3)} .ba .after li>:first-child{color:var(--blue)}
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mods .card h3{font-size:16px;display:flex;gap:8px;align-items:center}
.mods .card h3 svg{width:18px;height:18px;color:var(--blue)}
.gallery{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:start}
.note{font-size:13px;color:var(--g4);background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:12px 16px}

@media (max-width:960px){
  section{padding:72px 0}
  .hero .wrap,.rev,.cta-box,.gallery{grid-template-columns:1fr}
  .hero .art{width:100%;max-width:360px;margin:0 auto;order:-1}
  .hero h1{font-size:40px}
  h2.h,.turn h2.h{font-size:30px}
  .grid2,.grid3,.grid4,.mods{grid-template-columns:1fr}
  .trig{grid-template-columns:1fr}
  .nav{display:none}
  .facts{grid-template-columns:1fr 1fr}
  .facts>div:nth-child(2){border-right:none}
  .facts>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .ba{grid-template-columns:1fr}
  .ba .arrow{justify-content:center;transform:rotate(90deg)}
  .c-hero h1{font-size:34px}
  .verdict{font-size:30px}
  .dk .big{font-size:64px}
  .hd .btn{margin-left:auto}
  .hero{padding:40px 0 72px}
  .turn{padding:72px 0}
  .hb{grid-template-columns:1fr 56px;row-gap:6px}
  .hb>span{grid-column:1/-1}
  .hero .def br:last-of-type{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}