:root{
  --ink:#16130f;--ink-soft:#4a453d;--paper:#faf8f4;--paper-2:#f1ede5;
  --line:#e3ddd2;--accent:#c8502d;--accent-soft:#f3e3db;--white:#fff;--maxw:1000px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.display{font-family:'Fraunces',serif;font-weight:500;letter-spacing:-.01em;line-height:1.08}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

header.nav{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1160px;margin:0 auto;padding:0 28px}
.brand{font-family:'Fraunces',serif;font-size:20px;font-weight:600}
.brand span{color:var(--accent)}
.back{font-size:14.5px;font-weight:500;color:var(--ink-soft);display:inline-flex;gap:7px;align-items:center;transition:gap .2s,color .2s}
.back:hover{color:var(--ink);gap:12px}

.cs-hero{padding:70px 0 40px;border-bottom:1px solid var(--line)}
.cs-meta{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.cs-logo{height:38px;width:auto;margin-bottom:22px;display:block}
.cs-logo.lg{height:46px}
.cs-logo.samsung{height:30px}
.cs-logo.coupang{height:28px}
.cs-logo.hsbc{height:40px}
.cs-hero h1{font-size:clamp(34px,5.2vw,58px);margin-bottom:22px;max-width:16ch}
.cs-hero .sub{font-size:19px;color:var(--ink-soft);max-width:52ch}
.cs-facts{display:flex;gap:40px;flex-wrap:wrap;margin-top:36px}
.cs-fact small{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#9b9488;margin-bottom:6px}
.cs-fact b{font-size:15.5px;font-weight:600}

section.blk{padding:60px 0}
.blk + .blk{border-top:1px solid var(--line)}
.klabel{font-size:13px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.blk h2{font-size:clamp(26px,3.6vw,38px);margin-bottom:20px;max-width:20ch}
.blk p.body{font-size:17px;color:var(--ink-soft);max-width:60ch;margin-bottom:16px}
.blk p.body strong{color:var(--ink);font-weight:600}

.cards2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:12px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:12px}
.pcard{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 24px}
.pcard .n{font-family:'Fraunces',serif;font-size:15px;font-weight:600;color:var(--accent);margin-bottom:12px;display:flex;align-items:center;gap:10px}
.pcard .n em{font-style:normal;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:13px;flex:none}
.pcard h4{font-size:17px;font-weight:600;margin-bottom:9px}
.pcard p{font-size:14.5px;color:var(--ink-soft)}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.shots.two{grid-template-columns:repeat(2,1fr);max-width:620px}
.shots figure{margin:0}
.shots img{width:100%;border-radius:18px;border:6px solid #0f0f0f;box-shadow:0 20px 44px -20px rgba(22,19,15,.4)}
.shots figcaption{font-size:13px;color:var(--ink-soft);margin-top:12px;text-align:center;padding:0 6px}
.shots.desktop img{border:1px solid var(--line);border-radius:12px}

/* screen flow (numbered mobile screens) */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 26px;margin-top:34px}
.flow.six{grid-template-columns:repeat(3,1fr)}
.flowstep{margin:0;display:flex;flex-direction:column}
.flowstep .frame{position:relative;background:#0f0f0f;border-radius:26px;padding:8px;box-shadow:0 22px 46px -22px rgba(22,19,15,.4);height:420px;overflow:hidden}
.flowstep .frame img{width:100%;border-radius:19px;display:block}
.flowstep .cap{margin-top:18px;display:flex;gap:11px;align-items:flex-start}
.flowstep .cap .num{font-family:'Fraunces',serif;font-size:14px;font-weight:600;color:#fff;background:var(--accent);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;flex:none;font-style:normal;margin-top:1px}
.flowstep .cap h4{font-size:15px;font-weight:600;margin-bottom:3px}
.flowstep .cap p{font-size:13.5px;color:var(--ink-soft);line-height:1.5}
@media(max-width:760px){.flow,.flow.six{grid-template-columns:repeat(2,1fr);gap:30px 18px}.flowstep .frame{height:360px}}
@media(max-width:480px){.flow,.flow.six{grid-template-columns:1fr;max-width:320px}}

.result{background:var(--paper-2)}
.rgrid{display:flex;gap:50px;flex-wrap:wrap;margin-top:20px}
.rmetric b{font-family:'Fraunces',serif;font-size:clamp(44px,7vw,68px);line-height:1;display:block}
.rmetric b i{font-style:normal;font-size:.5em;color:var(--accent)}
.rmetric .from{font-size:14px;color:var(--ink-soft);margin-top:10px}
.rmetric small{display:block;font-size:13px;color:#9b9488;letter-spacing:.03em;margin-top:4px}

.next{text-align:center;padding:70px 0}

/* inline diagrams */
.diagram{margin-top:30px;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:32px 30px}
.diagram svg{width:100%;height:auto;display:block;font-family:'Inter',sans-serif}
.dia-cap{font-size:13px;color:#9b9488;margin-top:16px;text-align:center}
.next a{font-family:'Fraunces',serif;font-size:clamp(24px,4vw,40px);font-weight:500;border-bottom:2px solid var(--accent);padding-bottom:6px;display:inline-block;transition:gap .2s}
footer{border-top:1px solid var(--line);padding:30px 0;font-size:13.5px;color:#9b9488;text-align:center}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:760px){
  .cards2,.cards3,.shots,.shots.two{grid-template-columns:1fr;max-width:420px}
  .shots.two{max-width:420px}
  section.blk{padding:48px 0}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* journey map (wide) */
.journeymap{margin-top:30px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--white)}
.journeymap img{width:100%;display:block}
.journeymap .jm-cap{padding:14px 20px;font-size:13px;color:#9b9488;border-top:1px solid var(--line)}

/* bilingual pair */
.bilingual{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px;max-width:640px}
.bilingual figure{margin:0}
.bilingual .frame{background:#0f0f0f;border-radius:24px;padding:7px}
.bilingual .frame img{width:100%;border-radius:18px;display:block}
.bilingual figcaption{margin-top:12px;font-size:13.5px;color:var(--ink-soft);text-align:center}
.bilingual .flag{font-weight:600;color:var(--ink)}
@media(max-width:560px){.bilingual{grid-template-columns:1fr;max-width:320px}}

/* ===== lightbox ===== */
.lb-overlay{position:fixed;inset:0;z-index:200;background:rgba(16,13,11,.92);display:none;align-items:center;justify-content:center;padding:40px}
.lb-overlay.on{display:flex}
.lb-fig{margin:0;max-width:92vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:14px}
.lb-img{max-width:92vw;max-height:82vh;width:auto;height:auto;border-radius:10px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6);object-fit:contain}
.lb-cap{color:#f1ede5;font-size:14px;font-family:'Inter',sans-serif;text-align:center;max-width:60ch}
.lb-close{position:absolute;top:22px;right:26px;background:none;border:0;color:#fff;font-size:38px;line-height:1;cursor:pointer;opacity:.8;transition:opacity .2s}
.lb-close:hover{opacity:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:0;color:#fff;font-size:32px;width:52px;height:52px;border-radius:50%;cursor:pointer;transition:background .2s;display:grid;place-items:center}
.lb-nav:hover{background:rgba(255,255,255,.22)}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-count{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#f1ede5;font-size:13px;font-family:'Inter',sans-serif;opacity:.8}
@media(max-width:560px){.lb-nav{width:42px;height:42px;font-size:26px}.lb-prev{left:8px}.lb-next{right:8px}.lb-overlay{padding:16px}}

/* inline metric highlight under a direction */
.minihighlight{margin-top:24px;display:inline-block;background:var(--accent-soft);border-radius:14px;padding:18px 26px}
.minihighlight .rmetric b{font-size:40px}