/* ASC website v4 (from the approved mockups of 6 Nov 2026). Brand v4 tokens come from asc_brand.css.
   Colours only via tokens: no hex, rgb or named colours in this file. */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Be Vietnam Pro",system-ui,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:8px;z-index:10;background:var(--panel);color:var(--text);padding:8px 12px;border:1px solid var(--border);border-radius:2px}
.skip:focus{left:16px}
:focus-visible{outline:2px solid var(--sig);outline-offset:2px}

/* header */
header.top{border-bottom:1px solid var(--rule);background:var(--panel)}
header.top .wrap{display:flex;align-items:center;gap:24px;height:72px}
header.top .brand{display:block;flex:none}
header.top img.logo{height:36px;width:auto;display:block}
header.top img.logo.dark{display:none}
@media (prefers-color-scheme:dark){header.top img.logo.light{display:none}header.top img.logo.dark{display:block}}
nav.main{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
nav.main a{text-decoration:none;font-size:14px;color:var(--text-2);padding:6px 12px;border-radius:2px;white-space:nowrap}
nav.main a.on,nav.main a:hover{background:var(--fill);color:var(--text)}
.lang{font-size:13px;color:var(--text-3);margin-left:8px;white-space:nowrap}
.lang b{color:var(--text)}
.lang a{padding:4px 2px}

/* type */
h1,h2,.title{font-family:"Cinzel",serif;font-weight:600;letter-spacing:.01em;line-height:1.2;margin:0}
h1{font-size:44px}
h2{font-size:26px;margin-bottom:16px}
h2.h2-sm{font-size:22px}
h1.h1-article{font-size:34px;max-width:880px}
.caps{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin:0 0 12px}
.caps::before{content:"Σ ";color:var(--sig)}
.rule{width:56px;height:2px;background:var(--sig);margin:20px 0}
.lede{font-size:19px;color:var(--text-2);max-width:640px;margin:0}
.lede.lede-sm{font-size:17px}
.sub{font-size:13px;color:var(--text-3);margin-top:4px}
.sub.role{margin:-8px 0 16px}
.mt16{margin-top:16px}.mt24{margin-top:24px}.mt28{margin-top:28px}

/* blocks */
.hero{padding:88px 0 72px;border-bottom:1px solid var(--rule)}
.hero .ctas,.ctas{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:15px;padding:12px 22px;border-radius:2px;border:1px solid var(--accent);font-family:inherit;cursor:pointer;line-height:1.4}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{color:var(--text);background:transparent}
.btn[disabled]{opacity:.6;cursor:wait}
section{padding:72px 0;border-bottom:1px solid var(--rule)}
.grid2{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center}
.grid2.top{align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:2px;padding:24px}
.card h3{font-size:17px;margin:0 0 8px}
.card p{margin:0;color:var(--text-2);font-size:15px}
.card p+p{margin-top:8px}
.card .caps{color:var(--text-3);font-size:12px}
.num{font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.num.neg{color:var(--neg)}.num.pos{color:var(--pos)}
.cta-row{margin-top:28px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* market today strip */
section.mkt{padding:28px 0;background:var(--panel)}
.mkt-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.mkt-head .caps{margin:0}
.mkt-head .sub{margin:0}
.mkt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mkt-item{border-left:2px solid var(--sig);padding:2px 0 2px 16px}
.mkt-l{font-size:13px;font-weight:600;color:var(--text-2)}
.mkt-v{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.25}
.mkt-note{margin-top:16px}

/* chart */
.chart{background:var(--panel);border:1px solid var(--border);border-radius:2px;padding:20px;margin:0}
.chart figcaption{display:flex;flex-direction:column}
.chart .t{font-weight:600;font-size:15px}
.chart .s{font-size:13px;color:var(--text-3)}
.chart svg{width:100%;height:auto;display:block;margin-top:12px}
.chart svg.vn-narrow{display:none}
.chart .g{stroke:var(--rule);stroke-width:1}
.chart .tk{fill:var(--text-3)}
.chart .ln{fill:none;stroke:var(--yard1);stroke-width:2;stroke-linejoin:round}
.chart .pt{fill:var(--sig)}

/* founder */
.founder{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;align-items:start}
.portrait-img{width:200px;height:240px;object-fit:cover;object-position:50% 15%;border:1px solid var(--border);border-radius:2px;display:block;background:var(--panel)}

/* lists */
.list{margin:0;padding:0;list-style:none}
.list li{padding:16px 0;border-top:1px solid var(--rule);display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px}
.list li .d{font-size:13px;color:var(--text-3)}

/* long text (privacy, insight) */
.prose{max-width:720px}
.prose h2{margin:36px 0 8px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 12px;color:var(--text-2)}
.prose a{color:var(--sig)}
.prose .notice{margin-top:28px;padding-top:16px;border-top:1px solid var(--rule);font-size:13px;color:var(--text-3)}

/* form */
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field .opt{font-weight:400;color:var(--text-3)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:2px;padding:10px 12px}
.field input,.field select{height:46px}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--sig);outline-offset:0;border-color:var(--sig)}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:var(--neg)}
.field.check{flex-direction:row;align-items:flex-start;gap:10px}
.field.check input{width:18px;height:18px;flex:none;margin:3px 0 0;accent-color:var(--sig)}
.field.check label{font-weight:400;font-size:14px;color:var(--text-2)}
.field.check a,.form-msg a,.sub a{color:var(--sig)}
.form-foot{display:flex;align-items:center;gap:16px}
.form-msg{font-size:15px;padding:12px 14px;border-radius:2px}
.form-msg.ok{background:var(--st-ok-bg);color:var(--st-ok)}
.form-msg.err{background:var(--st-bad-bg);color:var(--st-bad)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}

/* footer */
footer{padding:48px 0;font-size:13px;color:var(--text-3)}
footer .cols{display:flex;gap:48px;flex-wrap:wrap;margin-bottom:24px}
footer b{color:var(--text-2)}
.legal{max-width:880px}

/* responsive */
@media (max-width:900px){
  .grid2,.grid3,.grid4,.mkt-grid{grid-template-columns:minmax(0,1fr)}
  .mkt-grid{gap:16px}
  h1{font-size:34px}
  h1.h1-article{font-size:28px}
  .founder{grid-template-columns:minmax(0,1fr)}
  .portrait-img{width:160px;height:192px}
  .hero{padding:56px 0 48px}
  section{padding:56px 0}
  header.top .wrap{height:auto;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;gap:12px 24px}
  .lang{order:1;margin-left:auto}
  nav.main{order:2;margin-left:-12px;width:calc(100% + 12px);overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  nav.main::-webkit-scrollbar{display:none}
  .chart svg.vn-wide{display:none}
  .chart svg.vn-narrow{display:block}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  h1{font-size:30px}
  .lede{font-size:17px}
  .field-row{grid-template-columns:minmax(0,1fr)}
  .list li{grid-template-columns:minmax(0,1fr);gap:4px}
  .chart{padding:16px}
  h1 br{display:none}
  nav.main{flex-wrap:wrap;overflow-x:visible;margin-left:-8px;width:calc(100% + 8px)}
  nav.main a{padding:6px 8px}
}

/* Vietnamese: Cinzel has no Vietnamese glyphs, so titles use Be Vietnam Pro (6 Nov 2026) */
html[lang="vi"] h1,html[lang="vi"] h2,html[lang="vi"] .title,[lang="vi"] h2.vi-h{font-family:"Be Vietnam Pro",system-ui,sans-serif !important;font-weight:700 !important;letter-spacing:-.01em;text-transform:none;font-variant:normal !important;font-variant-caps:normal !important}
html[lang="vi"] h1{font-size:42px;line-height:1.2}
@media (max-width:900px){html[lang="vi"] h1{font-size:32px}}
@media (max-width:560px){html[lang="vi"] h1{font-size:28px}}
[hidden]{display:none!important}