/* ============================================================
   Aether University — shared site stylesheet (prototype)
   Used by every subpage. index-v4.html & pedagogy.html keep
   their own inline styles; these mirror the same system.
   ============================================================ */
:root{
  --ink:#0B0B0C; --paper:#ffffff; --mist:#F3F2EE; --paper2:#EDE9DF; --line:#E6E6E3;
  --muted:#6B6B6B; --kicker:#8A8A8A;
  --yellow:#E6FF55; --brand:#3A1FD6; --brand-deep:#2410A0; --teal:#00BFAE; --coral:#FF5C8A;
  --maxw:1500px; --gap:8px;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;
  --serif:'Fraunces',Georgia,serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{display:block;width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.narrow{max-width:820px;margin:0 auto;padding:0 18px}
.serif{font-family:var(--serif)}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--kicker)}

/* ---- chrome ---- */
header.mast{position:sticky;top:0;z-index:60;background:var(--ink);color:#fff;border-bottom:1px solid #1d1d20}
.mast .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{height:26px;width:auto;flex:none}
.brand b{font-weight:600;font-size:16px;letter-spacing:.01em}
.brand small{display:block;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:#8b8b93;font-weight:500}
nav.top{display:flex;gap:20px;font-size:13.5px;font-weight:500}
nav.top a{color:#cfcfca}nav.top a:hover{color:#fff}nav.top a.on{color:var(--yellow)}
.mast .right{display:flex;align-items:center;gap:16px;font-size:13.5px;color:#cfcfca}
.applybtn{background:var(--yellow);color:var(--ink);font-weight:600;font-size:13px;padding:8px 16px;border-radius:999px}
@media(max-width:1080px){nav.top{display:none}}

/* ---- footer ---- */
footer.site{background:var(--ink);color:#8b8b8b;padding:46px 0 36px;font-size:13px}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
footer.site h5{color:#fff;font-size:11px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:13px;font-weight:600}
footer.site a{display:block;color:#8b8b8b;margin-bottom:8px}footer.site a:hover{color:#fff}
footer.site .bl{display:flex;align-items:center;gap:11px;margin-bottom:12px}
footer.site .bl .mark{height:26px;width:auto}footer.site .bl b{color:#fff;font-size:18px}
footer.site .legal{margin-top:34px;padding-top:20px;border-top:1px solid #1d1d20;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#5f5f5f;font-size:12px}
@media(max-width:860px){footer.site .cols{grid-template-columns:1fr 1fr}}

/* ---- buttons / chips ---- */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;border:none}
.btn-a{background:var(--yellow);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-g{border:1px solid #ffffff55;color:#fff;background:transparent}.btn-g:hover{border-color:#fff}
.btn-line{border:1px solid var(--line);color:var(--ink);background:transparent}.btn-line:hover{border-color:var(--ink)}
.mini{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:600;font-size:13.5px}
.mini.solid{background:var(--ink);color:#fff}.mini.line{border:1px solid var(--line);color:var(--ink)}.mini.line:hover{border-color:var(--ink)}
.tagchip{display:inline-block;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--brand)}

/* ---- breadcrumb / page hero ---- */
.crumbs{font-size:13px;color:#8b8b93;margin-bottom:26px}.crumbs a{color:#cfcfca}.crumbs span{color:#fff}
.pagehero{background:var(--ink);color:#fff;padding:54px 0 60px}
.pagehero .eyebrow{color:var(--yellow)}
.pagehero h1{font-family:var(--serif);font-weight:500;font-size:clamp(36px,5vw,68px);line-height:1;letter-spacing:-.025em;margin-top:18px;max-width:15em}
.pagehero p{margin-top:22px;max-width:40em;font-size:17px;color:#c8c4ba}

/* ---- section head ---- */
.shead{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:54px 0 22px}
.shead .num{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--kicker)}
.shead h2{font-family:var(--serif);font-weight:500;font-size:clamp(26px,3.4vw,42px);line-height:1.02;letter-spacing:-.02em;margin-top:10px}
.shead p{color:var(--muted);font-size:14.5px;max-width:40em;margin-top:10px}
.shead .more{font-size:13px;font-weight:600;white-space:nowrap;border-bottom:3px solid var(--yellow);padding-bottom:2px}

/* ---- course catalog cards ---- */
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:14px}
.ccard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s}
.ccard:hover{transform:translateY(-3px);box-shadow:0 22px 46px -26px rgba(0,0,0,.42)}
.ccard .ph{height:172px;overflow:hidden;position:relative}
.ccard .ph img{height:100%;object-fit:cover;transition:transform .5s}
.ccard:hover .ph img{transform:scale(1.05)}
.ccard .badge{position:absolute;left:12px;top:12px;font-size:10.5px;font-weight:700;letter-spacing:.04em;padding:5px 10px;border-radius:6px;text-transform:uppercase}
.badge.now{background:var(--yellow);color:var(--ink)}.badge.soon{background:#0b0b0ccc;color:#fff}
.ccard .b{padding:20px 20px 0;flex:1}
.ccard .tag{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--brand)}
.ccard h3{font-family:var(--serif);font-weight:500;font-size:23px;line-height:1.1;margin:9px 0 8px}
.ccard p{font-size:13.5px;color:var(--muted);line-height:1.5}
.ccard .skill{margin-top:12px;font-size:12.5px;color:var(--ink)}.ccard .skill b{font-weight:600}
.ccard .foot{padding:16px 20px 20px;margin-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.ccard .price{font-family:var(--serif);font-size:22px;font-weight:500}
.ccard .price small{font-family:var(--sans);font-size:11.5px;color:var(--muted);font-weight:500;display:block}
.ccard .enrol{background:var(--ink);color:#fff;font-size:13px;font-weight:600;padding:10px 18px;border-radius:999px}
.ccard .enrol.live{background:var(--yellow);color:var(--ink)}
.ccard .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:14px}
@media(max-width:980px){.cgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cgrid{grid-template-columns:1fr}}

/* ---- course detail ---- */
.coursehero{background:var(--ink);color:#fff;padding:48px 0 0}
.coursehero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:end}
.coursehero .tag{color:var(--yellow);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.coursehero h1{font-family:var(--serif);font-weight:500;font-size:clamp(32px,4.4vw,58px);line-height:1.02;letter-spacing:-.02em;margin:14px 0 14px}
.coursehero .dek{font-size:18px;color:#c8c4ba;max-width:34em}
.coursehero .img{height:300px;border-radius:14px 14px 0 0;overflow:hidden}.coursehero .img img{height:100%;object-fit:cover}
.coursebar{background:#141418;color:#fff;border-top:1px solid #26262b}
.coursebar .wrap{display:flex;flex-wrap:wrap;gap:26px;align-items:center;padding:18px 18px}
.coursebar .m{font-size:13.5px;color:#cfcfca}.coursebar .m b{color:#fff}
.coursebar .spacer{flex:1}
.coursebody{display:grid;grid-template-columns:1fr 360px;gap:40px;padding:48px 0 64px;align-items:start}
.coursebody h2{font-family:var(--serif);font-weight:500;font-size:30px;letter-spacing:-.01em;margin:0 0 8px}
.coursebody .lead{font-size:17px;color:#3a382f;margin-bottom:18px}
.coursebody h3{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--kicker);font-weight:700;margin:34px 0 14px}
.weekrow{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}
.weekrow .wn{font-family:var(--serif);font-size:22px;color:var(--brand)}
.weekrow h4{font-size:17px;font-weight:600;margin-bottom:4px}
.weekrow p{font-size:14px;color:var(--muted)}
.bullets{list-style:none}.bullets li{position:relative;padding-left:24px;margin-bottom:12px;font-size:15px;color:#3a382f}
.bullets li::before{content:"→";position:absolute;left:0;color:var(--brand);font-weight:700}
.sidebar{position:sticky;top:80px;border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff;box-shadow:0 18px 40px -28px rgba(0,0,0,.4)}
.sidebar .price{font-family:var(--serif);font-size:40px;font-weight:500;line-height:1}
.sidebar .price small{font-family:var(--sans);font-size:12px;color:var(--muted);font-weight:500}
.sidebar .srow{display:flex;justify-content:space-between;font-size:13.5px;padding:11px 0;border-bottom:1px solid var(--line)}
.sidebar .srow b{font-weight:600}
.sidebar .cta{display:block;text-align:center;margin-top:18px}
.sidebar .note{font-size:12px;color:var(--muted);margin-top:12px}
@media(max-width:900px){.coursehero .grid{grid-template-columns:1fr}.coursebody{grid-template-columns:1fr}.sidebar{position:static}}

/* ---- journal / articles ---- */
.artgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px 20px;padding-bottom:20px}
.artcard{display:block}
.artcard .ph{height:200px;border-radius:10px;overflow:hidden}.artcard .ph img{height:100%;object-fit:cover;transition:transform .5s}
.artcard:hover .ph img{transform:scale(1.05)}
.artcard .topic{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--brand);margin:14px 0 7px}
.artcard h3{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1.16}
.artcard:hover h3{text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:3px;text-underline-offset:3px}
.artcard .meta{font-size:12.5px;color:var(--muted);margin-top:8px}
.artcard.lead{grid-column:span 3;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.artcard.lead .ph{height:340px}
.artcard.lead h3{font-size:34px;line-height:1.05}
@media(max-width:980px){.artgrid{grid-template-columns:repeat(2,1fr)}.artcard.lead{grid-column:span 2;grid-template-columns:1fr}.artcard.lead .ph{height:220px}}
@media(max-width:640px){.artgrid{grid-template-columns:1fr}.artcard.lead{grid-column:span 1}}

/* ---- article reading view ---- */
.articlehero{padding:46px 0 26px;border-bottom:1px solid var(--line)}
.articlehero .topic{color:var(--brand);font-weight:700;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.articlehero h1{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4.4vw,52px);line-height:1.04;letter-spacing:-.02em;margin:16px 0 16px}
.articlehero .dek{font-size:19px;color:var(--muted);max-width:32em}
.articlehero .by{margin-top:22px;font-size:13.5px;color:var(--muted)}.articlehero .by b{color:var(--ink)}
.articlefig{height:420px;overflow:hidden;border-radius:14px;margin:30px 0}.articlefig img{height:100%;object-fit:cover}
.prose{font-size:18px;line-height:1.72;color:#23211c}
.prose p{margin-bottom:22px}
.prose h2{font-family:var(--serif);font-weight:500;font-size:30px;letter-spacing:-.01em;margin:38px 0 14px}
.prose blockquote{font-family:var(--serif);font-style:italic;font-size:24px;line-height:1.4;border-left:3px solid var(--yellow);padding-left:22px;margin:30px 0;color:var(--ink)}
.prose strong{font-weight:600}

/* ---- events ---- */
.evlist{border-top:1px solid var(--line)}
.evrow{display:grid;grid-template-columns:140px 110px 1fr auto;gap:24px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line);transition:.15s}
.evrow:hover{background:var(--mist);padding-left:14px;padding-right:14px}
.evrow .ethumb{width:140px;height:94px;border-radius:10px;overflow:hidden;background:#111}
.evrow .ethumb img{width:100%;height:100%;object-fit:cover;display:block}
.evrow .date{font-family:var(--serif)}.evrow .date .d{font-size:30px;font-weight:500;line-height:1}.evrow .date .my{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.evrow .types{display:flex;gap:8px;margin-bottom:7px;flex-wrap:wrap}
.evrow h4{font-size:19px;font-weight:600}
.evrow p{font-size:13.5px;color:var(--muted);margin-top:4px;max-width:46em}
.etype{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 8px;border-radius:5px}
.etype.webinar{background:var(--brand);color:#fff}.etype.ideathon{background:var(--coral);color:#fff}
.etype.cohort{background:var(--ink);color:#fff}.etype.free{background:var(--teal);color:#0b0b0c}.etype.phys{background:#f3eecf;color:#6b5d00}
@media(max-width:760px){.evrow{grid-template-columns:96px 1fr}.evrow .ecta,.evrow .date{display:none}.evrow .ethumb{width:96px;height:72px}}

/* ---- people ---- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.pcard .ph{height:230px;overflow:hidden}.pcard .ph img{height:100%;object-fit:cover}
.pcard .b{padding:18px 18px 22px}
.pcard h4{font-size:16px;font-weight:600}
.pcard .role{font-size:12px;color:var(--brand);font-weight:600;margin:3px 0 9px}
.pcard p{font-size:13px;color:var(--muted)}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.pgrid{grid-template-columns:1fr}}

/* ---- generic value/feature grid ---- */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px}
.fcard .n{font-family:var(--serif);font-size:30px;color:var(--brand)}
.fcard h3{font-size:18px;font-weight:600;margin:10px 0 8px}
.fcard p{font-size:13.5px;color:var(--muted)}
@media(max-width:860px){.fgrid{grid-template-columns:1fr}}

/* ---- enrol / forms ---- */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.door{border:1px solid var(--line);border-radius:16px;padding:30px 28px;background:#fff}
.door.pay{border-color:var(--ink);border-width:2px}
.door .dk{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--brand)}
.door h3{font-family:var(--serif);font-weight:500;font-size:28px;margin:12px 0 10px}
.door p{font-size:14.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--kicker);font-weight:700;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font:inherit;font-size:14px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
.field textarea{resize:vertical;min-height:90px}
.formnote{font-size:12px;color:var(--muted);margin-top:8px}
@media(max-width:760px){.doors{grid-template-columns:1fr}}

/* ---- yellow CTA band ---- */
.ctaband{background:var(--yellow);color:var(--ink);text-align:center;padding:72px 18px}
.ctaband h2{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4.2vw,54px);line-height:1;letter-spacing:-.02em;max-width:16em;margin:0 auto}
.ctaband p{margin:18px auto 0;max-width:34em;font-size:16px;color:#2b2b18}
.ctaband .acts{margin-top:28px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---- misc ---- */
.section{padding:8px 0 56px}
.section.mist{background:var(--mist);padding-top:2px;padding-bottom:64px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:13px 24px;border-radius:999px;font-size:14px;font-weight:600;z-index:80;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1}
.notice{background:#fff;border:1px solid var(--line);border-left:3px solid var(--yellow);border-radius:10px;padding:16px 18px;font-size:13.5px;color:var(--muted)}