/* research blog. shares /assets/tokens.css for the palette + type */
.wrap { max-width: 720px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 48px); }
.mark .dot { width: 24px; height: 24px; }
header.site { position: sticky; top: 0; z-index: 20; background: rgba(244,240,231,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1120px; }
header.site nav { display: flex; gap: 24px; }
header.site nav a { font-size: 14px; font-weight: 500; color: var(--ink-500); text-decoration: none; }
header.site nav a:hover { color: var(--forest); }
@media (max-width: 620px) { header.site nav a:not(.home) { display: none; } }
.crumbs { font-size: 13px; color: var(--ink-400); margin: 28px 0 0; }
.crumbs a { color: var(--ink-500); text-decoration: none; } .crumbs a:hover { color: var(--forest); }
article { padding: 8px 0 40px; }
.eyebrow { display: inline-block; margin-top: 22px; padding: 5px 12px; border: 1px solid var(--line-strong); border-radius: 99px; font-size: 12px; font-weight: 600; color: var(--forest); text-decoration: none; }
h1.post { font-weight: 800; letter-spacing: var(--tracking-display); line-height: 1.08; font-size: clamp(30px, 5vw, 48px); margin: 18px 0 0; }
.byline { margin-top: 20px; padding-bottom: 26px; border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; color: var(--ink-400); font-size: 13px; }
.byline .author { color: var(--ink); font-weight: 700; }
.lede { font-size: clamp(18px, 2.4vw, 21px); line-height: 1.55; color: var(--ink-700); margin: 30px 0 0; font-weight: 500; }
.body p { font-size: 17px; line-height: 1.75; color: var(--ink-700); margin: 22px 0 0; }
.body strong { color: var(--ink); font-weight: 700; }
.callout { margin: 34px 0 0; border-radius: 16px; padding: 22px 24px; }
.callout .cap { font-size: 11px; font-weight: 600; letter-spacing: var(--tracking-cap); text-transform: uppercase; }
.callout p { margin-top: 10px; font-size: 15.5px; line-height: 1.65; }
.study { background: var(--forest); color: var(--paper); }
.study .cap { color: var(--forest-300); } .study p { color: rgba(244,240,231,.92); } .study strong { color: #fff; }
.caveat { background: var(--paper-sunken); border-left: 3px solid var(--forest); }
.caveat .cap { color: var(--forest); } .caveat p { color: var(--ink-700); }
.tryit { border: 1px solid var(--line-strong); } .tryit .cap { color: var(--forest); } .tryit p { color: var(--ink-700); font-style: italic; }
.disc { margin: 40px 0 0; font-size: 13px; line-height: 1.6; color: var(--ink-400); }
.adjacent { display: flex; justify-content: space-between; gap: 16px; margin: 48px 0 0; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.adjacent a { color: var(--forest); font-weight: 600; text-decoration: none; font-size: 15px; max-width: 46%; }
.adjacent a.next { text-align: right; margin-left: auto; }
footer.site { background: var(--forest); color: var(--paper); padding: 48px 0; margin-top: 64px; }
footer.site .wrap { max-width: 1120px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 18px; }
footer.site .mark { color: var(--paper); }
footer.site a { color: rgba(244,240,231,.75); font-size: 13px; text-decoration: none; font-weight: 500; }
footer.site a:hover { color: var(--paper); }
/* index */
.wrap-wide { max-width: 1120px; }
.mast { padding: clamp(44px,8vw,80px) 0 clamp(20px,3vw,32px); max-width: 780px; }
.mast .cap { color: var(--forest-300); font-size: 11px; font-weight: 600; letter-spacing: var(--tracking-cap); text-transform: uppercase; }
.mast h1 { font-weight: 800; letter-spacing: var(--tracking-display); line-height: 1.06; font-size: clamp(38px,7vw,64px); margin: 14px 0 0; }
.mast p { margin-top: 18px; font-size: clamp(16px,2vw,19px); color: var(--ink-500); line-height: 1.6; }
/* featured hero */
.feature { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(24px,4vw,52px); align-items: center; padding: clamp(24px,4vw,40px) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (max-width: 800px) { .feature { grid-template-columns: 1fr; gap: 22px; } }
.feature .art-visual { aspect-ratio: 4/3; border-radius: 20px; background: var(--forest); position: relative; overflow: hidden; display: flex; align-items: flex-end; padding: 26px; order: 2; text-decoration: none; }
@media (max-width: 800px) { .feature .art-visual { order: -1; } }
.feature .art-visual .big { font-weight: 800; font-size: clamp(64px,12vw,132px); line-height: .82; color: var(--paper); letter-spacing: -.04em; font-variant-numeric: tabular-nums; position: relative; z-index: 1; }
.feature .art-visual::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 80% 10%, rgba(111,164,143,.4), transparent 60%); }
.feature .art-visual .lbl { position: absolute; top: 22px; left: 26px; color: rgba(244,240,231,.7); font-size: 11px; font-weight: 600; letter-spacing: var(--tracking-cap); text-transform: uppercase; z-index: 1; }
.feature .tag { display: inline-block; padding: 5px 12px; border: 1px solid var(--line-strong); border-radius: 99px; font-size: 12px; font-weight: 600; color: var(--forest); }
.feature .fmeta { margin-top: 14px; color: var(--ink-400); font-size: 13px; }
.feature h2 { font-weight: 800; letter-spacing: -.02em; line-height: 1.1; font-size: clamp(26px,3.6vw,40px); margin: 10px 0 0; }
.feature .dek { margin-top: 14px; font-size: 16px; line-height: 1.6; color: var(--ink-500); max-width: 46ch; }
.feature .read { margin-top: 20px; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--forest); text-decoration: none; font-size: 15px; }
.feature .read:hover { gap: 12px; }
/* module card grids */
.grid-head { margin: clamp(36px,5vw,54px) 0 18px; }
.grid-head h2 { font-weight: 800; font-size: 22px; letter-spacing: -.01em; }
.grid-head .mnum { color: var(--forest-300); font-weight: 700; font-variant-numeric: tabular-nums; }
.grid { display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(20px,3vw,30px); }
@media (max-width: 860px) { .grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card { text-align: left; display: flex; flex-direction: column; border-top: 2px solid var(--ink); padding-top: 16px; text-decoration: none; transition: border-color .2s ease; }
.card:hover { border-color: var(--forest); }
.card:hover h3 { color: var(--forest); }
.card .krow { display: flex; gap: 10px; align-items: center; }
.card .badge { font-weight: 800; font-size: 12px; color: var(--paper); background: var(--forest); border-radius: 6px; padding: 2px 8px; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.card .cap2 { font-size: 11px; font-weight: 600; letter-spacing: var(--tracking-cap); text-transform: uppercase; color: var(--ink-400); }
.card h3 { font-weight: 700; font-size: 17px; line-height: 1.28; letter-spacing: -.01em; margin: 12px 0 0; color: var(--ink); transition: color .2s ease; }
.card p { margin-top: 9px; font-size: 13.5px; line-height: 1.5; color: var(--ink-500); flex: 1; }
.card .foot { margin-top: 14px; font-size: 12px; color: var(--ink-400); }