/* Riv — quiet, content-led Bento. Native fonts; no remote dependencies. */
:root{color-scheme:light dark;--paper:#f5f6f4;--surface:#fff;--ink:#202923;--muted:#657068;--accent:#346957;--line:#dfe5df;--wash:#e8eeea;--header-offset:92px;--radius:28px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:600;letter-spacing:-.035em}section,main[id],footer[id]{scroll-margin-top:var(--header-offset)}.skip-link{position:fixed;top:12px;left:12px;transform:translateY(-160%);z-index:100;background:var(--surface);padding:12px 20px;border-radius:12px}.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1240px;min-height:80px;margin:auto;padding:0 32px;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(18px)}.wordmark{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.12em}.wordmark span,.footer-mark{display:grid;place-items:center;background:var(--ink);color:var(--paper);width:34px;height:34px;border-radius:11px;font:500 23px Georgia,serif;letter-spacing:0}.site-header nav{display:flex;gap:8px}.site-header nav a{display:grid;place-items:center;min-height:44px;padding:0 16px;border-radius:14px;font-size:13px;color:var(--muted)}.site-header nav a:hover{background:var(--wash);color:var(--ink)}.edition{font-size:10px;color:var(--muted);letter-spacing:.08em}main{max-width:1200px;margin:0 auto;padding:0 24px}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:center;padding:88px 20px 92px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--muted);margin-bottom:25px}.hero h1{font-size:clamp(40px,4.9vw,68px);line-height:1.2;margin-bottom:25px;letter-spacing:-.055em}.hero h1 em{font-style:normal;color:var(--accent)}.hero-lead{font-size:16px;color:var(--muted);line-height:1.9;margin-bottom:28px}.text-link{display:inline-flex;align-items:center;gap:32px;background:var(--ink);color:var(--paper);font-size:13px;padding:15px 22px;border-radius:99px;min-height:48px}.text-link:hover{background:var(--accent)}.hero-art{position:relative;min-height:340px;background:var(--wash);border-radius:36px;overflow:hidden}.sun{position:absolute;right:32px;top:32px;width:64px;aspect-ratio:1;border-radius:50%;background:#c9d4ba}.orbit{position:absolute;width:280px;aspect-ratio:1;border:1px solid color-mix(in srgb,var(--accent) 18%,transparent);border-radius:50%;right:-90px;bottom:-70px}.orbit-two{width:210px;right:-55px;bottom:-35px}.manifesto{position:absolute;left:32px;right:32px;bottom:32px;display:grid;gap:20px}.manifesto small{font-size:10px;letter-spacing:.12em;color:var(--muted)}.manifesto strong{font-size:42px;font-weight:500;letter-spacing:-.055em;line-height:1.12}.manifesto span{color:var(--muted);font-size:12px;line-height:1.7}
.intro{display:flex;justify-content:space-between;align-items:baseline;gap:32px;padding:25px 20px 28px}.intro>.eyebrow{order:2;white-space:nowrap}.intro h2{font-size:30px;margin-bottom:12px}.intro>div>p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}.project-ledger{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px;padding-bottom:92px}.project{grid-column:span 5;position:relative;display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:300px;padding:32px;border-radius:var(--radius);background:var(--surface);box-shadow:0 2px 6px #172c2010;transition:transform .22s ease,box-shadow .22s ease}.project:first-child,.project:last-child{grid-column:span 7}.project:hover{transform:translateY(-4px);box-shadow:0 14px 32px #172c2012}.project-number{display:grid;place-items:center;width:38px;height:38px;background:var(--wash);border-radius:12px;color:var(--accent);font-size:11px;margin-bottom:25px}.project-copy small{font-size:9px;letter-spacing:.12em;color:var(--muted)}.project-copy h3{font-size:27px;margin:12px 0;line-height:1.3}.project-copy p{font-size:13px;line-height:1.85;color:var(--muted);max-width:38em;margin:0 0 30px}.project-meta{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;margin-top:auto;font-size:11px;color:var(--muted)}.project-meta b{font-size:12px;font-weight:500;color:var(--ink)}.project-coral{background:#eaf0ec}.project-blue{background:#e9eef3}.project-green .project-number{background:#edf0e8}.project-yellow .project-number{background:#f4efe4}
.principles{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;padding:60px 20px 80px;border-top:1px solid var(--line)}.principles h2{max-width:340px;font-size:32px;line-height:1.4}.principles ol{list-style:none;padding:0;margin:0}.principles li{display:flex;gap:24px;padding:0 0 25px;margin-bottom:25px;border-bottom:1px solid var(--line)}.principles li:last-child{margin-bottom:0;border:0}.principles li>span{font-size:10px;color:var(--muted);padding-top:5px}.principles h3{font-size:17px;margin-bottom:10px}.principles li p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}footer{max-width:1152px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:32px;border-top:1px solid var(--line);padding:32px 20px 44px}footer>div{display:flex;gap:14px;align-items:center}footer h2{font-size:17px;margin:0}footer p{margin:0;text-align:right;font-size:11px;color:var(--muted);line-height:1.8}
@media(prefers-color-scheme:dark){:root{--paper:#141916;--surface:#202722;--ink:#e7ede8;--muted:#a6b2a9;--accent:#a5cdb6;--line:#354139;--wash:#29392f}.project-coral{background:#24372d}.project-blue{background:#25323d}.project-green .project-number{background:#354034}.project-yellow .project-number{background:#403b2b}.sun{background:#4e6855}.text-link:hover{color:#141916}}
@media(max-width:850px){.edition{display:none}.hero{gap:28px;padding:60px 8px}.hero-art{min-height:300px}.manifesto{left:24px;right:24px;bottom:24px}.manifesto strong{font-size:34px}.hero h1{font-size:44px}.wide-only{display:none}.project{padding:26px}.project-copy h3{font-size:24px}.principles{gap:40px}}
@media(max-width:600px){:root{--header-offset:85px;--radius:22px}.site-header{min-height:72px;padding:0 20px;gap:8px}.site-header nav{gap:0}.site-header nav a{padding:0 10px;font-size:12px}main{padding:0 18px}.hero{grid-template-columns:1fr;padding:45px 5px 48px;gap:32px}.hero h1{font-size:clamp(34px,9.8vw,46px)}.hero-art{min-height:230px}.hero-lead{font-size:15px}.manifesto strong{font-size:32px}.manifesto{gap:13px}.sun{width:50px;right:26px;top:24px}.intro{padding:20px 4px 22px}.intro>.eyebrow{display:none}.intro h2{font-size:25px}.project-ledger{grid-template-columns:1fr;gap:14px;padding-bottom:52px}.project,.project:first-child,.project:last-child{grid-column:1;min-height:275px;padding:26px}.project-copy h3{font-size:25px}.principles{grid-template-columns:1fr;gap:24px;padding:42px 5px}.principles h2{font-size:28px;max-width:none}.principles .eyebrow{margin-bottom:16px}footer{margin:0 22px;flex-direction:column;align-items:flex-start;padding:28px 0}footer p{text-align:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.project{transition:none}.project:hover{transform:none}}