/* First Native — institutional identity. Serif journal tone + the stage gradient as the house mark. */
:root{
  --paper:#fbfaf7;--card:#fff;--ink:#1b2733;--ink-soft:#51616e;--ink-mute:#8595a1;
  --accent:#b4552f;--line:#e6e2d8;
  --s1:#5f9e80;--s2:#93a75b;--s3:#cfa23c;--s4:#d97f36;--s5:#c74b3d;
  --grad:linear-gradient(90deg,var(--s1),var(--s2),var(--s3),var(--s4),var(--s5));
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'IBM Plex Sans',sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px}
h1,h2,h3,.serif{font-family:'Newsreader',serif;font-weight:500;line-height:1.15;letter-spacing:-.01em}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
.wide{max-width:920px}

/* house mark: gradient hairline on top of every page */
.mark{height:5px;background:var(--grad)}

header.site{border-bottom:1px solid var(--line);background:var(--card)}
.nav{max-width:920px;margin:0 auto;padding:18px 22px;display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.logo{font-family:'Newsreader',serif;font-size:19px;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:.01em;display:inline-flex;align-items:center;gap:9px}
.logo img{display:block}
.logo b{color:var(--accent);font-weight:600}
.nav nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav nav a{font-size:14.5px;color:var(--ink-soft);text-decoration:none;font-weight:500}
.nav nav a:hover,.nav nav a.on{color:var(--ink)}
.lang{display:flex;gap:10px;font-size:13px}
.lang a{color:var(--ink-mute);text-decoration:none}
.lang a.on{color:var(--ink);font-weight:600}

.hero{padding:72px 0 56px;text-align:left}
.hero h1{font-size:clamp(34px,5.6vw,54px);margin-bottom:18px;max-width:15ch}
.hero .sub{font-size:clamp(17px,2.2vw,20px);color:var(--ink-soft);max-width:56ch;margin-bottom:34px}
.kicker{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}

/* stage strip */
.strip{display:flex;max-width:640px;margin:38px 0 10px}
.strip .st{flex:1;position:relative;padding-top:16px}
.strip .st::before{content:'';display:block;height:8px;background:var(--c)}
.strip .st:first-child::before{border-radius:99px 0 0 99px}
.strip .st:last-child::before{border-radius:0 99px 99px 0}
.strip .st b{display:block;margin-top:10px;font-size:12px;font-weight:600;color:var(--ink-soft);line-height:1.3;padding-right:8px}
.strip .st i{position:absolute;top:-8px;left:0;font-style:normal;font-family:'Newsreader',serif;font-size:13px;color:var(--c);font-weight:700}

section{padding:46px 0}
section.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(25px,3.6vw,33px);margin-bottom:18px}
h3{font-size:20px;margin:26px 0 8px}
p{margin-bottom:14px}
p.mute,li.mute{color:var(--ink-soft)}
.small{font-size:14px;color:var(--ink-mute)}
ul.plain{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
ul.plain li{padding-left:20px;position:relative}
ul.plain li::before{content:'—';position:absolute;left:0;color:var(--accent)}

/* stage articles */
.stage{border-left:4px solid var(--c);background:var(--card);border-radius:0 14px 14px 0;padding:24px 26px;margin-bottom:18px;box-shadow:0 1px 4px rgba(27,39,51,.05)}
.stage h3{margin:0 0 4px;font-size:23px}
.stage h3 span{color:var(--c)}
.stage .num{font-family:'Newsreader',serif;color:var(--c);font-size:15px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.stage .gist{color:var(--ink-soft);margin-bottom:12px}
.stage ul{list-style:none;display:flex;flex-direction:column;gap:6px;margin-bottom:0}
.stage li{position:relative;padding-left:18px;font-size:15.5px}
.stage li::before{content:'';position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--c);opacity:.5}
.stage blockquote{margin-top:14px;font-family:'Newsreader',serif;font-style:italic;font-size:17.5px;color:var(--ink-soft);padding-left:14px;border-left:2px solid var(--line)}
.stage blockquote cite{display:block;font-family:'IBM Plex Sans',sans-serif;font-style:normal;font-size:12.5px;color:var(--ink-mute);margin-top:5px}

/* tables */
table{width:100%;border-collapse:collapse;margin:16px 0 22px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-mute)}

/* boxes */
.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:18px 0}
.box.tint{background:#f6f3ec;border:none}
.cite{font-family:'IBM Plex Mono',monospace;font-size:13.5px;background:#f1eee6;border-radius:10px;padding:16px 18px;line-height:1.6;overflow-x:auto}
.stat{display:flex;gap:34px;flex-wrap:wrap;margin:24px 0}
.stat div b{display:block;font-family:'Newsreader',serif;font-size:38px;line-height:1;color:var(--ink)}
.stat div span{font-size:13.5px;color:var(--ink-mute)}
.btn{display:inline-block;background:var(--ink);color:#fff;font-weight:600;font-size:15.5px;padding:14px 26px;border-radius:10px;text-decoration:none;margin:6px 10px 6px 0}
.btn.ghost{background:none;border:1.5px solid var(--line);color:var(--ink)}

footer.site{border-top:1px solid var(--line);padding:34px 0 44px;margin-top:40px;font-size:14px;color:var(--ink-mute)}
footer.site .wrap{display:flex;flex-direction:column;gap:8px}
footer.site a{color:var(--ink-soft)}

@media(max-width:640px){
  .hero{padding:48px 0 38px}
  .nav nav{gap:14px}
  .stat{gap:22px}
  .stage{padding:18px 18px}
}