/* ============================================================
   SSAIA — shared design system for the organized three-page site
   The Meridian: Singapore as neutral ground between East & West
   ============================================================ */
:root{
  --paper:#F4F5F2;
  --ink:#16233B;
  --ink-soft:#55606F;
  --jade:#1E6E5B;
  --jade-deep:#154D40;
  --seal:#A23C34;
  --mist:#DCE1DC;
  --line:#CBD3CC;
  --serif:"Newsreader",Georgia,serif;
  --sans:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --han-serif:"Noto Serif SC",serif;
  --han-sans:"Noto Sans SC",sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.lang-zh{font-family:var(--han-sans);font-weight:400;line-height:1.85}
.display{font-family:var(--serif)}
body.lang-zh .display{font-family:var(--han-serif);font-weight:600;letter-spacing:.01em}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
a{color:inherit;text-decoration:none}
::selection{background:var(--jade);color:#fff}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:2px}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--jade-deep);
}
body.lang-zh .eyebrow{letter-spacing:.1em}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(244,245,242,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:baseline;gap:9px;font-family:var(--serif);
  font-size:1.24rem;font-weight:500;letter-spacing:.01em;white-space:nowrap;color:var(--ink)}
.brand .dot{width:7px;height:7px;border-radius:50%;background:var(--seal);
  display:inline-block;transform:translateY(-1px)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:.94rem}
.nav-links a{color:var(--ink-soft);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-tools{display:flex;align-items:center;gap:16px}
.lang{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;
  color:var(--ink-soft);background:none;border:1px solid var(--line);
  padding:6px 11px;border-radius:20px;cursor:pointer;transition:.2s}
.lang:hover{border-color:var(--jade);color:var(--jade-deep)}
.btn{
  font-family:var(--sans);font-size:.9rem;font-weight:500;cursor:pointer;
  padding:9px 18px;border-radius:24px;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);transition:.2s;white-space:nowrap;
  display:inline-block;text-align:center;
}
body.lang-zh .btn{font-family:var(--han-sans)}
.btn:hover{background:var(--jade-deep);border-color:var(--jade-deep)}
.btn--ghost{background:none;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{background:none;border-color:var(--jade);color:var(--jade-deep)}

/* ---------- Hero (home) ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-inner{position:relative;z-index:2;padding:112px 0 104px;max-width:830px}
.hero h1{
  font-size:clamp(2.6rem,6.2vw,5rem);line-height:1.04;font-weight:400;
  letter-spacing:-.015em;margin:22px 0 26px;
}
body.lang-zh .hero h1{letter-spacing:.02em;line-height:1.22;font-size:clamp(2.2rem,5.4vw,4rem)}
.hero .sub{font-size:clamp(1.1rem,1.9vw,1.32rem);color:var(--ink-soft);
  max-width:600px;line-height:1.6}
body.lang-zh .hero .sub{line-height:1.9}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.meridian{position:absolute;top:0;bottom:0;left:50%;width:1px;
  background:var(--line);z-index:1}
.han-mark{position:absolute;font-family:var(--han-serif);font-weight:600;
  color:var(--jade);opacity:.05;line-height:1;z-index:0;user-select:none;pointer-events:none;
  font-size:clamp(14rem,32vw,30rem)}
.han-mark.east{top:8%;left:-2%}
.han-mark.west{bottom:-6%;right:-3%}
.dateline{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;
  color:var(--ink-soft);text-transform:uppercase}

/* ---------- Page hero (inner pages) ---------- */
.ph{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:56px 0 64px}
.ph .meridian{opacity:.6}
.ph-inner{position:relative;z-index:2;max-width:780px}
.ph h1{font-size:clamp(2.2rem,5vw,3.7rem);font-weight:400;letter-spacing:-.015em;
  line-height:1.06;margin:16px 0 20px;overflow-wrap:anywhere}
body.lang-zh .ph h1{letter-spacing:.02em;line-height:1.24}
.ph .sub{font-size:clamp(1.05rem,1.7vw,1.24rem);color:var(--ink-soft);max-width:600px;line-height:1.6}
body.lang-zh .ph .sub{line-height:1.9}
.ph-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;align-items:center}
.breadcrumb{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--jade-deep)}
.breadcrumb .sep{margin:0 8px;color:var(--line)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{max-width:640px;margin-bottom:52px}
.section-head h2{font-size:clamp(1.9rem,3.8vw,2.9rem);font-weight:400;
  letter-spacing:-.01em;line-height:1.12;margin:14px 0 18px;overflow-wrap:anywhere}
body.lang-zh .section-head h2{letter-spacing:.02em;line-height:1.3}
.section-head p{color:var(--ink-soft);font-size:1.08rem}
.alt{background:#EEF0EC;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* pills */
.pill{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--jade-deep);background:rgba(30,110,91,.1);padding:5px 11px;border-radius:20px;
  display:inline-block}
.pill--seal{color:var(--seal);background:rgba(162,60,52,.1)}

/* pillars / grids */
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line)}
.pillar{background:var(--paper);padding:34px 32px}
.pillar .n{font-family:var(--mono);font-size:.74rem;color:var(--seal);letter-spacing:.1em}
.pillar h3{font-family:var(--serif);font-size:1.32rem;font-weight:500;margin:12px 0 10px}
body.lang-zh .pillar h3{font-family:var(--han-serif);font-weight:600}
.pillar p{color:var(--ink-soft);font-size:.98rem;line-height:1.65}
body.lang-zh .pillar p{line-height:1.85}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* indexes (home) */
.idx-feature{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:44px;display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.idx-feature::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--seal)}
.idx-marker{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.idx-num{font-family:var(--mono);font-size:.9rem;color:var(--seal);letter-spacing:.08em}
.idx-feature h3{font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.35rem);
  font-weight:500;line-height:1.14;margin-bottom:16px}
body.lang-zh .idx-feature h3{font-family:var(--han-serif);font-weight:600;line-height:1.35}
.idx-feature p{color:var(--ink-soft);font-size:1.04rem;margin-bottom:24px}
.idx-link{font-family:var(--mono);font-size:.82rem;letter-spacing:.05em;
  color:var(--jade-deep);border-bottom:1px solid var(--jade);padding-bottom:2px}
.idx-link:hover{color:var(--seal);border-color:var(--seal)}
.idx-visual{aspect-ratio:1/1;position:relative;display:flex;align-items:center;justify-content:center}
.idx-upcoming{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.idx-soon{border:1px dashed var(--line);border-radius:14px;padding:30px 32px;background:transparent}
.idx-soon .idx-num{color:var(--ink-soft)}
.idx-soon h4{font-family:var(--serif);font-size:1.2rem;font-weight:500;color:var(--ink-soft);margin:12px 0 6px}
body.lang-zh .idx-soon h4{font-family:var(--han-serif)}
.idx-soon p{color:var(--ink-soft);font-size:.9rem;opacity:.8}

/* measure cards */
.mcard{border:1px solid var(--line);border-radius:14px;padding:30px 28px;background:var(--paper)}
.mcard .n{font-family:var(--mono);font-size:.74rem;color:var(--seal);letter-spacing:.1em}
.mcard h3{font-family:var(--serif);font-size:1.24rem;font-weight:500;margin:12px 0 10px}
body.lang-zh .mcard h3{font-family:var(--han-serif);font-weight:600}
.mcard p{color:var(--ink-soft);font-size:.95rem;line-height:1.65}
body.lang-zh .mcard p{line-height:1.85}

/* chart card */
.chart-card{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:36px 40px}
.chart-cap{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:var(--ink-soft);
  margin-top:18px;display:flex;align-items:center;gap:10px}
.chart-cap .swatch-dot{width:9px;height:9px;border-radius:50%;background:var(--seal);display:inline-block}

/* principles list */
.plist{list-style:none;display:grid;gap:0;border-top:1px solid var(--line)}
.plist li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:26px 0;
  border-bottom:1px solid var(--line);align-items:start}
.plist .pn{font-family:var(--mono);font-size:.9rem;color:var(--seal)}
.plist h3{font-family:var(--serif);font-size:1.28rem;font-weight:500;margin-bottom:6px}
body.lang-zh .plist h3{font-family:var(--han-serif);font-weight:600}
.plist p{color:var(--ink-soft);font-size:.98rem}

/* feature list */
.flist{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.flist .fitem{background:var(--paper);padding:28px 30px}
.flist h3{font-family:var(--serif);font-size:1.18rem;font-weight:500;margin-bottom:8px}
body.lang-zh .flist h3{font-family:var(--han-serif);font-weight:600}
.flist p{color:var(--ink-soft);font-size:.94rem;line-height:1.6}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.road .step{background:var(--paper);padding:30px 26px}
.road .rn{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--ink-soft)}
.road .step.now .rn{color:var(--seal)}
.road h4{font-family:var(--serif);font-size:1.14rem;font-weight:500;margin:12px 0 6px}
body.lang-zh .road h4{font-family:var(--han-serif)}
.road p{color:var(--ink-soft);font-size:.88rem;line-height:1.55}

/* quote band */
.quote{background:var(--ink);color:var(--paper);text-align:center;padding:110px 0}
.quote .display{font-size:clamp(2.2rem,5.5vw,4.2rem);font-weight:400;line-height:1.1;letter-spacing:-.01em}
body.lang-zh .quote .display{line-height:1.35;letter-spacing:.03em}
.quote .en-alt{display:block;font-family:var(--mono);font-size:.8rem;letter-spacing:.2em;
  text-transform:uppercase;color:#8FB3A8;margin-top:28px}

/* leadership */
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.person{background:var(--paper);padding:32px 30px}
.person .role{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--jade-deep)}
.person h3{font-family:var(--serif);font-size:1.4rem;font-weight:500;margin:10px 0 12px}
.person p{color:var(--ink-soft);font-size:.94rem;line-height:1.6}
body.lang-zh .person p{line-height:1.8}
.profile-note{margin-top:18px;font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:var(--ink-soft)}

/* involved / cards */
.involved{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:16px}
.card{border:1px solid var(--line);border-radius:14px;padding:38px;background:var(--paper)}
.card h3{font-family:var(--serif);font-size:1.5rem;font-weight:500;margin-bottom:10px}
body.lang-zh .card h3{font-family:var(--han-serif);font-weight:600}
.card p{color:var(--ink-soft);font-size:.98rem;margin-bottom:22px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1;min-width:180px;font-family:var(--sans);font-size:.95rem;
  padding:11px 15px;border:1px solid var(--line);border-radius:24px;background:#fff;color:var(--ink)}
.sub-form input:focus{outline:none;border-color:var(--jade)}
.note{font-family:var(--mono);font-size:.78rem;color:var(--jade-deep);margin-top:14px;min-height:1em}
.fee{font-family:var(--mono);font-size:.82rem;color:var(--seal);letter-spacing:.04em;margin-bottom:22px;display:block}
.member-summary{border-top:1px solid var(--line);margin:24px 0 26px}
.member-summary div{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.78rem}
.member-summary span{color:var(--ink-soft)}
.member-summary strong{color:var(--ink);font-weight:500;text-align:right}
.socials{display:flex;gap:22px;margin-top:34px;font-family:var(--mono);font-size:.82rem;
  letter-spacing:.05em;color:var(--ink-soft);flex-wrap:wrap}
.socials a:hover{color:var(--jade-deep)}

/* membership */
.membership-section{padding-top:72px}
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:stretch}
.plan-card{position:relative;display:flex;flex-direction:column;min-width:0;min-height:500px;padding:40px;
  border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.34);overflow:hidden}
.plan-card--vip{background:#EAF0EC;border-color:#9EB8AF;box-shadow:0 18px 46px rgba(22,35,59,.08)}
.plan-card--vip::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--jade)}
.plan-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--jade-deep)}
.plan-card h2{font-family:var(--serif);font-size:2rem;font-weight:500;line-height:1.15;margin:14px 0 8px}
body.lang-zh .plan-card h2{font-family:var(--han-serif);font-weight:600}
.plan-price{display:flex;align-items:baseline;gap:8px;margin:10px 0 14px;color:var(--ink)}
.plan-price strong{font-family:var(--serif);font-size:2.8rem;font-weight:400;letter-spacing:-.02em}
.plan-price span{font-family:var(--mono);font-size:.72rem;color:var(--ink-soft)}
.plan-intro{color:var(--ink-soft);font-size:.98rem;min-height:3.4em}
.plan-rule{border:0;border-top:1px solid var(--line);margin:25px 0 18px}
.plan-includes{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:12px}
.benefit-list{list-style:none;display:grid;gap:12px;margin-bottom:30px}
.benefit-list li{position:relative;padding-left:24px;color:var(--ink);font-size:.94rem;line-height:1.5}
.benefit-list li::before{content:"✓";position:absolute;left:0;color:var(--jade);font-weight:500}
.plan-card .btn{margin-top:auto;width:100%}
.recommended{position:absolute;top:24px;right:24px;font-family:var(--mono);font-size:.66rem;
  letter-spacing:.08em;text-transform:uppercase;color:var(--paper);background:var(--jade-deep);padding:5px 10px;border-radius:20px}
.join-note{text-align:center;color:var(--ink-soft);font-size:.9rem;margin-top:24px}

/* ---------- Newsroom ---------- */
.press-contact{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:.85rem;color:var(--jade-deep);border:1px solid var(--line);border-radius:24px;padding:9px 16px}
.press-contact:hover{border-color:var(--jade)}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:baseline;
  padding:28px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:8px}
.news-item .date{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em}
.news-item h3{font-family:var(--serif);font-size:1.34rem;font-weight:500;margin-bottom:6px}
body.lang-zh .news-item h3{font-family:var(--han-serif);font-weight:600}
.news-item p{color:var(--ink-soft);font-size:.96rem}
.news-item .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-soft);white-space:nowrap}
.empty{border:1px dashed var(--line);border-radius:14px;padding:40px;text-align:center;
  color:var(--ink-soft);font-size:.96rem;margin-top:24px}

.kit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kit-card{border:1px solid var(--line);border-radius:14px;padding:28px;background:var(--paper);
  display:flex;flex-direction:column;gap:10px;transition:.2s}
.kit-card:hover{border-color:var(--jade);transform:translateY(-3px)}
.kit-card .kt{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--seal)}
.kit-card h3{font-family:var(--serif);font-size:1.24rem;font-weight:500}
body.lang-zh .kit-card h3{font-family:var(--han-serif);font-weight:600}
.kit-card p{color:var(--ink-soft);font-size:.92rem;line-height:1.55;flex:1}
.kit-card .dl{font-family:var(--mono);font-size:.8rem;color:var(--jade-deep);
  border-bottom:1px solid var(--jade);padding-bottom:2px;align-self:flex-start}
.kit-card .dl:hover{color:var(--seal);border-color:var(--seal)}

.swatches{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.swatch{width:70px}
.swatch .chip{height:52px;border-radius:8px;border:1px solid var(--line)}
.swatch .hex{font-family:var(--mono);font-size:.68rem;color:var(--ink-soft);margin-top:6px;display:block}

.boiler{background:#EEF0EC;border:1px solid var(--line);border-radius:14px;padding:30px 34px}
.boiler h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--jade-deep);margin-bottom:14px}
.boiler p{color:var(--ink);font-size:1rem;line-height:1.7}
.boiler p+p{margin-top:14px}
.copy-btn{margin-top:18px;font-family:var(--mono);font-size:.76rem;letter-spacing:.05em;
  background:none;border:1px solid var(--line);border-radius:20px;padding:7px 14px;cursor:pointer;color:var(--ink-soft)}
.copy-btn:hover{border-color:var(--jade);color:var(--jade-deep)}

.facts{border-top:1px solid var(--line)}
.facts .row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:18px 0;
  border-bottom:1px solid var(--line)}
.facts dt{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
.facts dd{color:var(--ink);font-size:1rem}

/* footer */
footer{background:var(--ink);color:#B9C4CD;padding:70px 0 44px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand{font-family:var(--serif);font-size:1.5rem;color:var(--paper);font-weight:500}
.foot-brand .dot{width:7px;height:7px;border-radius:50%;background:var(--seal);display:inline-block;margin-left:6px}
.foot-tag{max-width:340px;margin-top:12px;font-size:.94rem;line-height:1.6}
.foot-links{display:flex;gap:40px;flex-wrap:wrap}
.foot-col h5{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:#8794A0;margin-bottom:14px}
.foot-col a{display:block;font-size:.92rem;color:#B9C4CD;margin-bottom:9px;transition:.2s}
.foot-col a:hover{color:var(--paper)}
.foot-addr{font-family:var(--mono);font-size:.8rem;line-height:1.9;color:#8794A0;letter-spacing:.02em}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:30px;font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:#6E7B87}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1080px){
  .people{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-links{display:none}
  .hero-inner{padding:80px 0 72px}
  .pillars,.idx-feature,.idx-upcoming,.people,.involved,.grid-3,.grid-2,.plan-grid,
  .flist,.road,.kit-grid{grid-template-columns:1fr}
  .idx-visual{display:none}
  .section{padding:70px 0}
  .wrap{padding:0 22px}
  .news-item{grid-template-columns:1fr;gap:6px}
  .news-item .tag{display:none}
  .facts .row{grid-template-columns:1fr;gap:4px}
  .plan-grid{grid-template-columns:minmax(0,1fr)}
  .plan-card{padding:32px}
  .benefit-list li{overflow-wrap:anywhere}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}