/* ==================================================================
   Moral AI · site styles
   Two hues carry the whole site: indigo for depth and rest,
   saffron for warmth and action. Cream and ink hold them apart.
   ================================================================== */
:root{
  --ink:#141A31; --indigo:#1D2649; --indigo-2:#2B376A; --indigo-soft:#E6E8F3;
  --saffron:#DC9A2E; --saffron-2:#F0B955; --gold-text:#8A5A12;
  --cream:#FBF7EE; --sand:#F2EBDC; --line:#E3DAC6; --text:#232838; --muted:#636A7C;
  --serif:'Fraunces','Noto Sans Myanmar',Georgia,serif;
  --sans:'Inter','Noto Sans Myanmar',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mm:'Noto Sans Myanmar','Padauk','Myanmar Text',sans-serif;
  --w:1160px; --r:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-text);text-underline-offset:3px}
a:hover{color:var(--indigo-2)}
h1,h2,h3{font-family:var(--serif);font-weight:500;color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;text-wrap:balance}
[lang=my],[lang=my] h1,[lang=my] h2,[lang=my] h3{font-family:var(--mm);line-height:1.9;letter-spacing:0}
[lang=my] h1,[lang=my] h2,h1[lang=my],h2[lang=my],h3[lang=my]{font-weight:600;line-height:1.6}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.center{text-align:center}
.muted{color:var(--muted)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;z-index:99;border-radius:8px}
:focus-visible{outline:3px solid var(--saffron);outline-offset:3px;border-radius:4px}

/* ---------- Header ---------- */
.site-head{background:var(--cream);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.head-row{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-family:var(--serif);font-weight:600;font-size:1.3rem;letter-spacing:-.01em}
.brand-text i{font-style:normal;font-size:.74rem;color:var(--muted);letter-spacing:.04em}
.site-nav{display:flex;gap:6px}
.site-nav a{padding:9px 16px;border-radius:999px;text-decoration:none;color:var(--text);font-weight:500;font-size:.95rem}
.site-nav a:hover{background:var(--sand)}
.site-nav a.is-active{background:var(--indigo);color:#fff}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:var(--sans);transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--saffron);color:var(--ink)}
.btn-gold:hover{background:var(--saffron-2);color:var(--ink)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-ink{background:var(--indigo);color:#fff}
.btn-ink:hover{background:var(--indigo-2);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 0%,rgba(20,26,49,.86) 45%,rgba(20,26,49,.25) 100%);z-index:-1}
.ripples{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero-inner{padding-top:110px;padding-bottom:120px}
.hero h1{color:#fff;font-size:clamp(2.4rem,6vw,4.6rem);max-width:15ch;margin-bottom:.35em}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:56ch;color:#D5D9E8;margin:0 0 2em}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.eyebrow{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--saffron-2);margin:0 0 1.2em}
.eyebrow.dark{color:var(--gold-text)}

/* ---------- Bands ---------- */
.band{padding:84px 0;background:var(--cream);position:relative}
.band-tight{padding:56px 0 84px}
.band-sand{background:var(--sand)}
.band-ink{background:var(--indigo);color:#E4E7F2;overflow:hidden;isolation:isolate}
.band-ink .ripples{z-index:-1;opacity:.55}
.band-ink h2{color:#fff}
.band-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:32px}
.band h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.more{font-weight:600;text-decoration:none;white-space:nowrap}
.more:hover{text-decoration:underline}

/* ---------- Lead post ---------- */
.lead{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.lead-plain{grid-template-columns:1fr;max-width:820px}
.lead-img img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.lead h2{font-size:clamp(1.9rem,3.6vw,3rem)}
.lead h2 a,.card h3 a{color:inherit;text-decoration:none}
.lead h2 a:hover,.card h3 a:hover{color:var(--indigo-2)}
.lead p{font-size:1.1rem;color:#3d4354}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.84rem;color:var(--muted);margin-bottom:14px}
.pill{background:var(--indigo-soft);color:var(--indigo);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.topic{font-size:.82rem;font-weight:600;color:var(--gold-text);text-decoration:none}
.topic:hover{text-decoration:underline}

/* ---------- Cards ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(20,26,49,.45)}
.card-plain{border-top:4px solid var(--saffron)}
.card-img img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.32rem;margin-bottom:.45em}
.card p{font-size:.95rem;color:#4a5062;margin:0 0 16px;flex:1}

/* ---------- Topics and author ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.topic-list{display:flex;flex-direction:column;margin-top:8px}
.topic-list a{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.16);color:#fff;text-decoration:none;font-family:var(--serif);font-size:1.3rem}
.topic-list a:hover span{color:var(--saffron-2)}
.topic-list i{font-style:normal;font-family:var(--sans);font-size:.8rem;color:#AEB5D0;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:2px 10px}
.author-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:36px}
.author-panel h2{margin-bottom:.1em}
.muted-light{color:#AEB5D0;font-size:.9rem;margin:0 0 1em}

/* ---------- Page head, search, chips ---------- */
.page-head{padding:70px 0 34px;background:var(--sand);border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.byline{color:var(--muted);font-size:.95rem;margin:0}
.search{display:flex;gap:10px;margin:22px 0 18px;max-width:520px}
.search input{flex:1;padding:12px 18px;border-radius:999px;border:1.5px solid var(--line);font:inherit;background:#fff;min-width:0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips a{padding:7px 15px;border-radius:999px;border:1.5px solid var(--line);background:#fff;text-decoration:none;color:var(--text);font-size:.88rem;font-weight:500}
.chips a.is-on{background:var(--indigo);border-color:var(--indigo);color:#fff}
.pager{display:flex;justify-content:center;gap:24px;align-items:center;margin-top:48px;font-weight:600}
.pager span{color:var(--muted);font-weight:400}

/* ---------- Post ---------- */
.post-head{padding:70px 0 30px;background:var(--sand)}
.post-head h1{font-size:clamp(2rem,5vw,3.4rem)}
.post-cover{margin-top:-1px;padding-top:36px}
.post-cover img{border-radius:var(--r);width:100%;max-height:560px;object-fit:cover}
.draft-flag{background:#FFF3CD;border:1px solid #E8CF7A;color:#6B5200;padding:10px 16px;border-radius:10px;font-weight:600;font-size:.9rem}
.prose{padding-top:44px;padding-bottom:70px;font-size:1.13rem;line-height:1.8}
.prose[lang=my],[lang=my] .prose{font-size:1.1rem;line-height:2.15}
.prose h2{font-size:1.8rem;margin:1.8em 0 .5em}
.prose h3{font-size:1.35rem;margin:1.6em 0 .4em}
.prose p{margin:0 0 1.25em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.25em}
.prose li{margin-bottom:.4em}
.prose blockquote{margin:1.8em 0;padding:6px 0 6px 26px;border-left:4px solid var(--saffron);font-family:var(--serif);font-size:1.3rem;line-height:1.55;color:var(--indigo)}
[lang=my] .prose blockquote{font-family:var(--mm);font-size:1.15rem;line-height:2.1}
.prose blockquote p{margin:0}
.prose hr{border:0;height:1px;background:var(--line);margin:2.6em auto;width:40%}
.prose figure{margin:2em 0}
.prose figure img,.prose p img{border-radius:var(--r)}
.prose figcaption{font-size:.86rem;color:var(--muted);text-align:center;margin-top:10px}
.portrait{float:right;width:240px;margin:6px 0 20px 32px}
.note{background:var(--indigo-soft);border-radius:var(--r);padding:20px 24px;margin:2.4em 0;font-size:.95rem;line-height:1.6;font-family:var(--sans)}
.note b{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--indigo);margin-bottom:6px}
.note p{margin:0}
.share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px;margin-top:2.4em;font-size:.9rem;font-family:var(--sans)}
.share span{color:var(--muted);margin-right:4px}
.share a,.share button{padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--text);text-decoration:none;font:inherit;font-weight:600;cursor:pointer}
.share a:hover,.share button:hover{border-color:var(--indigo);color:var(--indigo)}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.prevnext a{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:4px}
.prevnext small{color:var(--gold-text);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.74rem}
.prevnext span{font-family:var(--serif);font-size:1.2rem;line-height:1.3}
.prevnext a:hover span{color:var(--indigo-2)}
.prevnext .right{text-align:right}

/* ---------- Footer ---------- */
.site-foot{background:var(--ink);color:#C4C9DC;padding:64px 0 34px;font-size:.93rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--serif);font-size:1.3rem}
.foot-tag{max-width:34ch;margin:.8em 0 0}
.site-foot h4{color:#fff;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;margin:0 0 14px}
.site-foot a{display:block;color:#C4C9DC;text-decoration:none;margin-bottom:8px}
.site-foot a:hover{color:var(--saffron-2)}
.site-foot .muted{color:#9199B5}
.foot-note{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:24px;font-size:.84rem;color:#9199B5}
.foot-note p{margin:0 0 8px;max-width:80ch}

/* ---------- Small screens ---------- */
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .lead,.two-col{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .grid{grid-template-columns:1fr}
  .band{padding:60px 0}
  .hero-inner{padding-top:72px;padding-bottom:80px}
  .hero::after{background:linear-gradient(180deg,rgba(20,26,49,.9),rgba(20,26,49,.7))}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--cream);border-bottom:1px solid var(--line);flex-direction:column;padding:10px 18px 16px}
  .site-nav.is-open{display:flex}
  .brand-text i{display:none}
  .portrait{float:none;width:100%;margin:0 0 24px}
  .prevnext{grid-template-columns:1fr}
  .prevnext .right{text-align:left}
  .foot-grid{grid-template-columns:1fr}
  .author-panel{padding:26px}
  .search{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card{transition:none}}

/* ---------- Papers and milestones (added in version 2) ---------- */
.pill-gold{background:#F8E9C8;color:#7A4F0C}
.btn-line{border-color:var(--line);background:#fff;color:var(--text)}
.btn-line:hover{border-color:var(--indigo);color:var(--indigo)}
.status{border:1.5px solid #E6C77E;background:#FFF8E6;border-radius:var(--r);padding:18px 22px;margin:0 0 1.6em;font-size:.95rem;line-height:1.6;font-family:var(--sans)}
.status b{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:#7A4F0C;margin-bottom:6px}
.status p{margin:0}
.pdf-actions{display:flex;gap:10px;flex-wrap:wrap;font-family:var(--sans)}
.pdf-actions a{text-decoration:none}
.pdf-frame{margin:2.2em 0 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.pdf-frame iframe{display:block;width:100%;height:820px;border:0}
.paper{background:#fff;border:1px solid var(--line);border-top:4px solid var(--saffron);border-radius:var(--r);padding:28px 30px;margin-bottom:24px}
.paper h2{font-size:1.7rem;margin-bottom:.4em}
.paper h2 a{color:inherit;text-decoration:none}
.paper h2 a:hover{color:var(--indigo-2)}
.paper-status{font-size:.9rem;color:#5d4a1e;background:#FFF8E6;border-radius:10px;padding:12px 16px}
.timeline{list-style:none;margin:0;padding:0 0 0 30px;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 44px 14px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-39px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--saffron);border:4px solid var(--cream);box-shadow:0 0 0 2px var(--saffron)}
.timeline time{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--gold-text)}
.timeline h2{font-size:1.5rem;margin:.3em 0 .35em}
.timeline p{margin:0 0 .6em;color:#3d4354}
@media (max-width:640px){.pdf-frame{display:none}.paper{padding:22px 20px}}

/* ---------- Home introduction and key ideas (added in version 3) ---------- */
.hero-sub{font-family:var(--serif);font-size:clamp(1.25rem,2.4vw,1.8rem);line-height:1.3;color:var(--saffron-2);max-width:30ch;margin:0 0 1em}
.hero-strap{margin:2.6em 0 0;padding-top:1.2em;border-top:1px solid rgba(255,255,255,.16);max-width:56ch;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#C9CEE2}
.band-ideas{padding:0;background:var(--indigo)}
.ideas{display:grid;grid-template-columns:repeat(3,1fr)}
.idea{display:block;padding:40px 34px 42px;text-decoration:none;color:#D5D9E8;border-left:1px solid rgba(255,255,255,.12);transition:background .2s}
.idea:first-child{border-left:0;padding-left:0}
.idea:hover{background:rgba(255,255,255,.04);color:#fff}
.idea-n{font-size:.78rem;letter-spacing:.2em;font-weight:700;color:var(--saffron-2)}
.idea h2{color:#fff;font-size:1.45rem;line-height:1.25;margin:.5em 0 .5em}
.idea p{margin:0;font-size:.95rem;line-height:1.55}
.home-h{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:1em}
.home-intro{padding-top:0;padding-bottom:0}
@media (max-width:900px){.ideas{grid-template-columns:1fr}.idea{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:28px 0}.idea:first-child{border-top:0}}
@media (prefers-reduced-motion:reduce){.idea{transition:none}}