/* Setu Labs: landing, product and research pages. White, black, one thin sans. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { min-height: 100%; margin: 0; }
body {
  background: #fff; color: #000;
  font: 400 1.0625rem/1.65 "Inter", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
}
a { color: inherit; }
:focus-visible { outline: 2px solid #000; outline-offset: 4px; }
.serif { font-family: "Inter", "Helvetica Neue", "Segoe UI", system-ui, sans-serif; font-weight: 200; }
.mono, .links a, .foot { font: 500 0.75rem/1 "IBM Plex Mono", ui-monospace, Menlo, monospace; letter-spacing: 0.14em; text-transform: uppercase; }

/* header */
.top { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 26px clamp(20px, 5vw, 56px); }
.mark { font-size: 1.5rem; line-height: 1; text-decoration: none; letter-spacing: -0.02em; font-weight: 300; }
.links { display: flex; gap: clamp(16px, 3vw, 34px); flex-wrap: wrap; }
.links a { text-decoration: none; padding: 8px 0; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.links a:hover, .links a[aria-current="page"] { border-bottom-color: #000; }

/* landing */
.hero { flex: 1; display: grid; place-items: center; text-align: center; padding: 24px; }
.hero h1 { font-weight: 300; font-size: clamp(5rem, 22vw, 14rem); line-height: 0.9; letter-spacing: -0.055em; margin: 0; opacity: 0; animation: rise 1.5s cubic-bezier(.2,.7,.2,1) 0.5s forwards; }
.hero .tag { font-size: clamp(1.0625rem, 2.3vw, 1.5rem); line-height: 1.4; font-weight: 300; letter-spacing: -0.005em; margin: clamp(14px, 3vw, 28px) 0 0; opacity: 0; animation: rise 1.1s cubic-bezier(.2,.7,.2,1) 1.5s forwards; }
.home-links { justify-content: center; padding: 0 24px clamp(20px, 4vh, 40px); opacity: 0; animation: rise 1s ease 2.3s forwards; }
.home .foot { opacity: 0; animation: rise 1s ease 2.6s forwards; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* inner pages */
.page { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: clamp(40px, 9vw, 110px) 24px 80px; }
.page .kicker { color: #666; margin: 0 0 18px; }
.page h1 { font-size: clamp(2.5rem, 7vw, 4.25rem); line-height: 1.04; letter-spacing: -0.04em; margin: 0 0 28px; }
.page .lead { font-size: 1.25rem; line-height: 1.5; margin: 0 0 56px; }
.page section { border-top: 1px solid #000; padding: 26px 0 30px; display: grid; grid-template-columns: 3.2rem 1fr; gap: 0 12px; }
.page section > .n { grid-row: 1 / span 3; color: #666; padding-top: 10px; }
.page h2 { font-size: 1.625rem; line-height: 1.2; letter-spacing: -0.02em; font-weight: 300; margin: 0 0 10px; }
.page section p { margin: 0 0 10px; grid-column: 2; }
.page .status { grid-column: 2; color: #666; margin-top: 6px; }
.page .note { border-top: 1px solid #000; padding-top: 26px; margin-top: 8px; }
.page .cta { display: inline-block; margin-top: 22px; text-decoration: none; border-bottom: 1px solid #000; padding: 10px 0; }
@media (max-width: 520px) { .page section { grid-template-columns: 1fr; } .page section > .n { grid-row: auto; padding: 0 0 8px; } .page section p, .page .status { grid-column: 1; } }

/* footer */
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; padding: 22px clamp(20px, 5vw, 56px); color: #666; border-top: 1px solid #e6e6e6; }
.home .foot { border-top: 0; justify-content: center; }
.foot a { text-decoration: none; }
.foot a:hover { color: #000; }

@media (prefers-reduced-motion: reduce) { .hero h1, .hero .tag, .home-links, .home .foot { animation: none; opacity: 1; } }

/* ---------- Product page (consumer) ---------- */
.shop { flex: 1; }
.shop h1, .shop h2, .shop h3 { font-family: "Inter", "Helvetica Neue", system-ui, sans-serif; margin: 0; }
.wrap { max-width: 1292px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 56px); box-sizing: border-box; }  /* content edge lines up with the logo */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border: 1px solid #000; border-radius: 999px; background: #000; color: #fff; font: 500 0.9375rem/1 "Inter", system-ui, sans-serif; text-decoration: none; cursor: pointer; transition: background 0.2s, color 0.2s; }
.btn:hover { background: #fff; color: #000; }
.btn.ghost { background: #fff; color: #000; } .btn.ghost:hover { background: #000; color: #fff; }
.pill { display: inline-block; font: 500 0.6875rem/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 0.12em; text-transform: uppercase; padding: 7px 10px; border: 1px solid #000; border-radius: 999px; }

.intro { text-align: center; padding: clamp(40px, 8vw, 96px) 0 clamp(28px, 5vw, 56px); }
.intro h1 { font-weight: 200; font-size: clamp(2.5rem, 7.5vw, 5.5rem); line-height: 1; letter-spacing: -0.05em; }
.intro p { font-weight: 300; font-size: clamp(1.0625rem, 2vw, 1.375rem); margin: 20px auto 0; max-width: 32em; }

.duo { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #000; border-bottom: 1px solid #000; }
.duo article { padding: clamp(28px, 5vw, 64px) clamp(20px, 4vw, 56px); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; }
.duo article + article { border-left: 1px solid #000; }
.duo svg { width: min(100%, 380px); height: auto; margin-bottom: 8px; }
.duo h2 { font-weight: 300; font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -0.04em; line-height: 1; }
.duo p { margin: 0; max-width: 24em; font-weight: 300; font-size: 1.125rem; line-height: 1.45; }
.duo .row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.art { fill: none; stroke: #000; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.art .dot { fill: #000; stroke: none; } .art .soft { stroke: #b5b5b5; } .art .wave { stroke-width: 1.1; }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: center; padding: clamp(56px, 10vw, 130px) 0; border-bottom: 1px solid #e6e6e6; }
.feature.flip .pic { order: 2; }
.feature .pic { background: #f5f5f5; aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 8%; }
.feature .pic svg { width: 100%; height: auto; }
.feature .k { color: #666; margin: 0 0 16px; }
.feature h2 { font-weight: 200; font-size: clamp(2.25rem, 5.5vw, 4rem); line-height: 1.02; letter-spacing: -0.045em; }
.feature .sub { font-weight: 300; font-size: 1.25rem; line-height: 1.45; margin: 20px 0 28px; }
.feature ul { list-style: none; margin: 0 0 30px; padding: 0; border-top: 1px solid #000; }
.feature li { display: grid; grid-template-columns: 8.5em 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid #e0e0e0; }
.feature li b { font-weight: 500; }
.feature .fine { color: #666; font-size: 0.9375rem; margin: 18px 0 0; }

.shared { padding: clamp(56px, 9vw, 110px) 0; text-align: center; border-bottom: 1px solid #e6e6e6; }
.shared h2, .order h2, .faq h2 { font-weight: 200; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.045em; line-height: 1.04; }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 4vw, 56px); margin-top: clamp(32px, 5vw, 60px); text-align: left; }
.three div { border-top: 1px solid #000; padding-top: 18px; }
.three h3 { font-weight: 500; font-size: 1.125rem; margin-bottom: 8px; }
.three p { margin: 0; }

.order { padding: clamp(56px, 9vw, 110px) 0; border-bottom: 1px solid #e6e6e6; }
.order > .wrap > p { font-weight: 300; font-size: 1.1875rem; margin: 16px 0 0; max-width: 34em; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: clamp(28px, 5vw, 52px); }
.card { border: 1px solid #000; padding: clamp(22px, 3.5vw, 40px); display: flex; flex-direction: column; gap: 14px; }
.card h3 { font-weight: 300; font-size: 2rem; letter-spacing: -0.035em; }
.card dl { margin: 0; display: grid; grid-template-columns: 7em 1fr; gap: 8px 12px; font-size: 0.9375rem; }
.card dt { color: #666; } .card dd { margin: 0; }
.card .btn { margin-top: auto; align-self: flex-start; }
.reserve { margin-top: 20px; border: 1px solid #000; padding: clamp(22px, 3.5vw, 40px); display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px; align-items: end; }
.reserve[hidden] { display: none; }
.reserve label { display: grid; gap: 8px; font: 500 0.6875rem/1 "IBM Plex Mono", ui-monospace, monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.reserve input, .reserve select { font: 400 1rem/1.2 "Inter", system-ui, sans-serif; padding: 13px 14px; border: 1px solid #000; border-radius: 0; background: #fff; color: #000; min-height: 48px; width: 100%; }
.reserve .msg { grid-column: 1 / -1; margin: 0; font-size: 0.9375rem; }

.faq { padding: clamp(56px, 9vw, 110px) 0 clamp(64px, 10vw, 120px); }
.faq .list { margin-top: clamp(24px, 4vw, 44px); border-top: 1px solid #000; max-width: 820px; }
.faq details { border-bottom: 1px solid #000; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 36px 20px 0; font-weight: 500; font-size: 1.125rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-weight: 200; font-size: 1.75rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 22px; max-width: 40em; }

@media (max-width: 820px) {
  .duo, .feature, .three, .cards { grid-template-columns: 1fr; }
  .duo article + article { border-left: 0; border-top: 1px solid #000; }
  .feature.flip .pic { order: 0; }
  .reserve { grid-template-columns: 1fr; }
  .feature li { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- Product index: two tiles, nothing else ---------- */
.duo.only { flex: 1; border-bottom: 0; }
.duo.only a { color: #000; text-decoration: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; padding: clamp(40px, 8vw, 96px) 24px; min-height: 60vh; transition: background 0.25s; }
.duo.only a + a { border-left: 1px solid #000; }
.duo.only a:hover, .duo.only a:focus-visible { background: #f5f5f5; }
.duo.only h2 { font-weight: 300; }
.duo.only .go { opacity: 0; transform: translateY(4px); transition: opacity 0.25s, transform 0.25s; }
.duo.only a:hover .go, .duo.only a:focus-visible .go { opacity: 1; transform: none; }
@media (max-width: 820px) { .duo.only a + a { border-left: 0; border-top: 1px solid #000; } .duo.only a { min-height: 44vh; } .duo.only .go { opacity: 1; transform: none; } }

/* ---------- Single product page ---------- */
.render { background: #f5f5f5; aspect-ratio: 16 / 9; display: grid; place-items: center; overflow: hidden; }
.render img { width: 100%; height: 100%; object-fit: cover; display: block; }
.render .ph { color: #999; text-align: center; }
.pd { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 6vw, 88px); padding: clamp(40px, 7vw, 90px) 0 clamp(56px, 9vw, 110px); align-items: start; }
.pd h1 { font-weight: 200; font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1; letter-spacing: -0.05em; }
.pd .sub { font-weight: 300; font-size: 1.25rem; line-height: 1.45; margin: 22px 0 0; }
.pd ul { list-style: none; margin: 0 0 28px; padding: 0; border-top: 1px solid #000; }
.pd li { display: grid; grid-template-columns: 8.5em 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid #e0e0e0; }
.pd li b { font-weight: 500; }
.pd .fine { color: #666; font-size: 0.9375rem; margin: 18px 0 0; }
.pd .reserve { grid-template-columns: 1fr auto; margin-top: 16px; }
.back { display: inline-block; margin: 22px 0 18px; text-decoration: none; color: #666; }
.back:hover { color: #000; }
@media (max-width: 820px) { .pd { grid-template-columns: 1fr; } .pd li { grid-template-columns: 1fr; gap: 2px; } .pd .reserve { grid-template-columns: 1fr; } }

/* ---------- Renders ---------- */
.render.sq { aspect-ratio: 16 / 8; background: #d6d6da; }
.render.sq img { object-position: 50% 52%; }
@media (max-width: 820px) { .render.sq { aspect-ratio: 4 / 3; } }
.duo.only .shot { width: min(100%, 420px); height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 52%; display: block; }
.duo.only svg { width: min(100%, 420px); aspect-ratio: 4 / 3; background: #f5f5f5; padding: 12%; }
.details { padding: 0 0 clamp(56px, 9vw, 110px); }
.details h2 { font-weight: 200; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.045em; line-height: 1.04; margin: 0 0 clamp(22px, 4vw, 40px); }
.dgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2.4vw, 28px); }
.dgrid figure { margin: 0; }
.dgrid img { width: 100%; height: auto; display: block; }
.dgrid figcaption { padding-top: 12px; display: grid; gap: 2px; }
.dgrid b { font-weight: 500; } .dgrid span { color: #666; font-size: 0.9375rem; }
@media (max-width: 820px) { .dgrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .dgrid { grid-template-columns: 1fr; } }
.render { position: relative; }
.render img { position: absolute; inset: 0; }
.render.sq { background: #fff; }
.duo.only .shot { mix-blend-mode: multiply; }
.duo.only svg { background: transparent; }

/* cap render: transparent background, shown whole */
.render.cap img { object-fit: contain; padding: 3% 8%; }
.duo.only .shot.cap { object-fit: contain; mix-blend-mode: normal; padding: 4% 6%; }

/* product pair: same white studio treatment, same baseline, balanced visual weight */
.render.cap img { padding: 0 6%; }
.duo.only .shot, .duo.only .shot.cap { width: min(100%, 440px); aspect-ratio: 4 / 3; mix-blend-mode: multiply; padding: 0; }
.duo.only .shot.cap { object-fit: contain; transform: scale(0.86); }

/* ---------- Research write-up ---------- */
.paper { grid-column: 2; margin-top: 22px; border-top: 1px solid #000; padding-top: 22px; }
.paper > .mono { margin: 0 0 22px; color: #000; }
.paper .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid #e0e0e0; }
.paper .stats div { padding: 18px 16px 18px 0; border-bottom: 1px solid #e0e0e0; display: grid; gap: 2px; }
.paper .stats div:nth-child(even) { padding-left: 20px; border-left: 1px solid #e0e0e0; }
.paper .stats b { font-weight: 200; font-size: clamp(2.25rem, 6vw, 3.25rem); line-height: 1; letter-spacing: -0.045em; }
.paper .stats span { font-weight: 500; margin-top: 8px; }
.paper .stats small { color: #666; font-size: 0.875rem; }
.paper .spec { color: #666; margin: 18px 0 8px; line-height: 1.7; }
.paper h3 { font: 500 1.0625rem/1.3 "Inter", system-ui, sans-serif; margin: 30px 0 8px; }
.page .paper p { grid-column: auto; margin: 0 0 12px; }
@media (max-width: 520px) { .paper { grid-column: 1; } .paper .stats { grid-template-columns: 1fr; } .paper .stats div:nth-child(even) { padding-left: 0; border-left: 0; } }

/* ---------- Research index cards and article pages ---------- */
.rcard { display: block; color: #000; text-decoration: none; border-top: 1px solid #000; padding: 28px 0 32px; transition: background 0.25s, padding 0.25s; }
.rcard:last-of-type { border-bottom: 1px solid #000; }
.rcard:hover, .rcard:focus-visible { background: #f5f5f5; padding-left: 18px; padding-right: 18px; }
.rcard .n { color: #666; display: block; margin-bottom: 14px; }
.rcard h2 { font-size: clamp(1.875rem, 4.5vw, 2.75rem); line-height: 1.08; letter-spacing: -0.035em; font-weight: 200; margin: 0 0 14px; }
.rcard p { margin: 0 0 12px; max-width: 38em; }
.rcard .status { color: #666; line-height: 1.6; }
.rcard .go { display: inline-block; margin-top: 10px; border-bottom: 1px solid #000; padding-bottom: 6px; }
.article .back { margin: 0 0 26px; }
.article .lead { margin-bottom: 18px; }
.article > .status { color: #666; line-height: 1.6; margin: 0 0 44px; }
.article .body { border-top: 1px solid #000; padding-top: 30px; }
.article .body h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); font-weight: 300; letter-spacing: -0.025em; line-height: 1.15; margin: 44px 0 14px; }
.article .body p { margin: 0 0 16px; }
.article .note { margin-top: 44px; }
.paper.flat { grid-column: auto; margin-top: 36px; }
.article .paper p { margin: 0 0 12px; }

.reserve .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.reserve button:disabled, .reserve input:disabled { opacity: 0.45; cursor: default; }

/* ---------- Product page: hero, features, closing ---------- */
.phero { text-align: center; padding: clamp(20px, 4vw, 48px) 0 clamp(56px, 9vw, 110px); }
.phero h1 { font-weight: 200; font-size: clamp(2.75rem, 8vw, 6rem); line-height: 1; letter-spacing: -0.05em; }
.phero .sub, .closing .sub { font-weight: 300; font-size: clamp(1.125rem, 2.2vw, 1.5rem); line-height: 1.45; max-width: 34em; margin: 22px auto 0; }
.phero .row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.feats { border-top: 1px solid #000; padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 9vw, 110px); }
.feats h2 { font-weight: 200; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.045em; line-height: 1.06; max-width: 16em; margin-bottom: clamp(28px, 5vw, 56px); }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(28px, 6vw, 80px); }
.fgrid article { border-top: 1px solid #e0e0e0; padding: 26px 0 30px; display: grid; grid-template-columns: 3rem 1fr; gap: 6px 10px; align-content: start; }
.fgrid .n { color: #666; padding-top: 5px; grid-row: 1 / span 2; }
.fgrid h3 { font-weight: 500; font-size: 1.25rem; line-height: 1.25; letter-spacing: -0.015em; }
.fgrid p { margin: 0; grid-column: 2; }
.closing { border-top: 1px solid #000; text-align: center; padding: clamp(56px, 10vw, 130px) 0 clamp(64px, 10vw, 130px); }
.closing h2 { font-weight: 200; font-size: clamp(2.5rem, 7vw, 5rem); letter-spacing: -0.05em; line-height: 1.02; }
.closing .reserve { max-width: 560px; margin: 34px auto 0; text-align: left; grid-template-columns: 1fr auto; }
@media (max-width: 820px) { .fgrid { grid-template-columns: 1fr; } .closing .reserve { grid-template-columns: 1fr; } }

/* compact, collapsible feature list */
.feats[hidden] { display: none; }
.feats { animation: rise 0.5s ease both; scroll-margin-top: 12px; }
.fgrid article { padding: 18px 0 20px; }
.fgrid h3 { font-size: 1.125rem; }
.fgrid p { color: #444; }
.phero:has(+ .feats[hidden]) { padding-bottom: clamp(40px, 7vw, 80px); }
@media (prefers-reduced-motion: reduce) { .feats { animation: none; } }

.closing .fine { color: #666; font-size: 0.9375rem; max-width: 34em; margin: 22px auto 0; }
.phero h1 { max-width: 14em; margin-left: auto; margin-right: auto; }

/* ---------- Footer links, About and Privacy ---------- */
.flinks { display: flex; gap: 18px; flex-wrap: wrap; }
.flinks a { color: #666; }
.home .ftag { display: none; }
.home .foot { gap: 10px 32px; }
.page a:not(.rcard):not(.cta):not(.back) { color: #000; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.about section > h2 { grid-column: 2; }
.about .note-form { grid-column: 2; margin-top: 14px; grid-template-columns: 1fr 1fr; }
.reserve textarea { font: 400 1rem/1.45 "Inter", system-ui, sans-serif; padding: 13px 14px; border: 1px solid #000; border-radius: 0; background: #fff; color: #000; width: 100%; resize: vertical; min-height: 130px; }
.reserve .wide { grid-column: 1 / -1; }
.note-form .btn { justify-self: start; }
.legal .body h2 { font-size: 1.375rem; margin-top: 36px; }
@media (max-width: 520px) { .about section > h2, .about .note-form { grid-column: 1; } .about .note-form { grid-template-columns: 1fr; } }
.founders { grid-column: 2; list-style: none; padding: 0; margin: 4px 0 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.founders li { border: 1px solid #000; padding: 18px 20px; display: grid; gap: 10px; }
.founders b { font-weight: 300; font-size: 1.375rem; letter-spacing: -0.02em; }
.founders .mono { color: #666; }
@media (max-width: 520px) { .founders { grid-column: 1; grid-template-columns: 1fr; } }
.links .talk { border: 1px solid #000; border-radius: 999px; padding: 8px 14px; margin: -1px 0; }
.links .talk:hover { background: #000; color: #fff; }
@media (max-width: 520px) { .links { gap: 12px 14px; } }
/* wordmark: one size everywhere, a touch heavier so it holds up at small size */
.mark { font-size: clamp(1.75rem, 2.4vw, 2.125rem); font-weight: 400; letter-spacing: -0.04em; }
.top { align-items: center; }

/* ---------- Vision-first: steps across the bridge ---------- */
.step { color: #777; margin: 0 0 14px; }
.duo.only .step { margin: 0 0 -12px; }
.steps-head { text-align: center; padding: clamp(28px, 6vw, 72px) 24px clamp(20px, 4vw, 44px); border-bottom: 1px solid #000; }
.steps-head h1 { font-weight: 200; font-size: clamp(2.25rem, 6vw, 4.25rem); letter-spacing: -0.05em; line-height: 1.02; }
.steps-head p { color: #666; font-weight: 300; font-size: clamp(1.0625rem, 1.8vw, 1.25rem); margin: 14px auto 0; max-width: 40em; }
.about .lead strong { font-weight: 400; }
.about .lead + .lead { margin-top: -36px; color: #555; }

/* header: logo left, menu centred, "Let's talk" right */
.top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px 24px; }
.top .mark { grid-column: 1; justify-self: start; }
.top .links { grid-column: 2; justify-content: center; }
.top > .talk { grid-column: 3; justify-self: end; font: 500 0.75rem/1 "IBM Plex Mono", ui-monospace, Menlo, monospace; letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; color: #000; border: 1px solid #000; border-radius: 999px; padding: 10px 16px; transition: background 0.2s, color 0.2s; white-space: nowrap; }
.top > .talk:hover, .top > .talk:focus-visible { background: #000; color: #fff; }
@media (max-width: 760px) {
  .top { grid-template-columns: 1fr auto; }
  .top .mark { grid-row: 1; } .top > .talk { grid-column: 2; grid-row: 1; }
  .top .links { grid-column: 1 / -1; grid-row: 2; justify-content: center; gap: 10px 20px; }
}

/* header always visible */
.top { position: sticky; top: 0; z-index: 60; background: rgb(255 255 255 / 0.92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color 0.25s; }
html.scrolled .top { border-bottom-color: #ececec; }
@media (max-width: 760px) { .top { padding-top: 14px; padding-bottom: 12px; gap: 12px 20px; } }
.founders .li { color: #000; text-decoration: none; border-bottom: 1px solid #000; justify-self: start; padding-bottom: 2px; margin-top: 4px; }
.founders .li:hover { color: #666; border-color: #666; }
.about .mail { grid-column: 2; margin-top: 18px; color: #555; }
@media (max-width: 520px) { .about .mail { grid-column: 1; } }
.avail { color: #666; margin: 22px 0 0; }
.avail::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #000; margin-right: 9px; vertical-align: 1px; }
.duo.only .avail { margin: -10px 0 0; }
.flinks .askai { margin: 0; }

/* "Ask AI about this": a quiet chip at the top right of manifesto and research pages */
.askai.chip { border: 1px solid #d6d6d6 !important; border-radius: 999px !important; padding: 8px 13px !important; color: #555 !important; font: 500 0.6875rem/1 "IBM Plex Mono", ui-monospace, monospace !important; letter-spacing: 0.12em !important; text-transform: uppercase; white-space: nowrap; transition: border-color 0.2s, color 0.2s, background 0.2s; }
.askai.chip:hover, .askai.chip[aria-expanded="true"] { border-color: #000 !important; color: #000 !important; }
@media print { .pagetools, .askai.chip { display: none !important; } }
.toprow { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 0 0 18px; }
.toprow .back, .toprow .kicker { margin: 0 !important; }

/* one shape language: form fields are rounded like the buttons next to them */
.reserve input[type=email], .reserve select, .wl input[type=email], .wl select { border-radius: 999px !important; padding-left: 18px !important; padding-right: 18px !important; }
.reserve textarea { border-radius: 16px; padding: 14px 18px; }
.reserve select, .wl select { -webkit-appearance: none; appearance: none; background-image: linear-gradient(45deg, transparent 50%, #000 50%), linear-gradient(135deg, #000 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 38px !important; }
.closing .reserve, .about .note-form { border-radius: 18px; }

/* keep fields white when the browser autofills them */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus { -webkit-box-shadow: 0 0 0 40px #fff inset !important; -webkit-text-fill-color: #000 !important; caret-color: #000; transition: background-color 9999s ease-out 0s; }