/* =====================================================================
   Droplet Labs — DESIGN SYSTEM  (v2: off-white, editorial, quiet)
   Font: Outfit throughout. Ground = brand paper #F2F2F0.
   ===================================================================== */

:root{
  --paper:#F2F2F0;          /* brand paper — page ground */
  --paper-2:#FAFAF8;        /* raised surface */
  --ink:#0E0E0D;            /* text */
  --ink-2:#3A3A37;          /* secondary text */
  --muted:#6E6E6A;          /* brand muted-dim */
  --muted-2:#8A8A85;        /* brand muted */
  --line:rgba(8,8,8,.12);
  --line-2:rgba(8,8,8,.07);
  --accent:#2E9FD6;         /* brand accent */
  --accent-ink:#1C7FB0;     /* accent for text on paper (AA) */
  --wash:#DCEEF8;           /* pale accent wash */
  --night:#080808;          /* closing block ground (matches logo PNG) */
  --night-text:#F2F2F0;
  --night-muted:#8A8A85;
  --night-line:rgba(255,255,255,.12);

  --font:'Outfit','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1120px;
  --gutter:clamp(20px,5vw,56px);
  --r:14px;
  --nav-h:92px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(46,159,214,.22)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- background layers ---------- */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:220px 220px;
}
main,header,footer,.mobile-menu{position:relative;z-index:2}

/* ---------- layout ---------- */
.wrap{width:min(var(--wrap),100% - 2*var(--gutter));margin-inline:auto}
.sec{padding:clamp(72px,9vw,120px) 0 0}
.sec-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:24px clamp(24px,4vw,56px);border-top:1px solid var(--line);padding-top:28px}
.sec-body{max-width:720px}
.sec-sub{color:var(--ink-2);font-size:clamp(1.05rem,1.35vw,1.2rem);line-height:1.6;max-width:600px}
h2+.sec-sub{margin-top:18px}

/* ---------- type ---------- */
h1,h2,h3{font-weight:400;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(2.5rem,5.6vw,4.6rem);letter-spacing:-.028em;line-height:1.04;max-width:16ch}
h2{font-size:clamp(1.9rem,3.4vw,2.75rem)}
h3{font-size:1.5rem;font-weight:500;letter-spacing:-.015em}
h1 em,h2 em{font-style:normal;color:var(--accent-ink)}
.label{font-size:.76rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);line-height:1;display:inline-block;padding-top:.45em}
.lede{font-size:clamp(1.08rem,1.45vw,1.25rem);color:var(--ink-2);line-height:1.6;max-width:56ch}
p+p{margin-top:1em}

/* ---------- buttons & links ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:10px;font-weight:500;font-size:.98rem;line-height:1;min-height:46px;
  border:1px solid transparent;white-space:nowrap;
  transition:background .3s,color .3s,border-color .3s,transform .35s var(--ease);
}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:#000;transform:translateY(-1px)}
.btn-line{border-color:var(--line);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-paper{background:var(--paper);color:var(--ink)}
.btn-paper:hover{background:#fff;transform:translateY(-1px)}
.btn-sm{padding:10px 16px;min-height:40px;font-size:.92rem}
.btn-block{width:100%}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:1px;transition:border-color .3s}
.link:hover{border-color:var(--ink)}
.arrow{display:inline-block;transition:transform .35s var(--ease)}
a:hover>.arrow,.link:hover .arrow{transform:translateX(3px)}

/* ---------- lockup (dr[mark]plet labs) ---------- */
.lockup{display:inline-flex;align-items:center;line-height:1;color:var(--night-text)}
.lockup-img{height:46px;width:auto;display:block}
.lockup-word{display:inline-flex;align-items:baseline;font-size:2.3rem;font-weight:400;letter-spacing:.04em}
.lockup-mark{height:.9em;width:auto;margin:0 .03em;align-self:baseline;transform:translateY(.1em)}
.lockup-labs{font-size:1.4rem;font-weight:400;letter-spacing:.03em;color:var(--night-muted)}

/* ---------- nav ---------- */
.nav{position:fixed;top:14px;left:0;right:0;z-index:50;filter:drop-shadow(0 12px 16px rgba(0,0,0,.22))}
/* the pill never changes size: collapsing is a clip-path morph (paint only, no layout), contents just fade */
.nav-inner{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--night);border-radius:22px;padding:0 10px 0 22px;clip-path:inset(0 0 -420px 0 round 22px);will-change:clip-path;transition:background .4s,clip-path .65s cubic-bezier(.22,.8,.2,1)}
.nav-inner>.lockup,.nav-inner>.nav-links,.nav-inner>.nav-actions{transition:opacity .35s ease .3s,transform .5s cubic-bezier(.22,.8,.2,1) .3s}
.nav-icon{position:absolute;left:50%;top:50%;width:60px;height:60px;transform:translate(-50%,-50%);border-radius:16px;overflow:hidden;display:block;opacity:0;pointer-events:none;transition:opacity .3s ease}
.nav-icon img{width:100%;height:100%;object-fit:cover;display:block}
/* collapsed: the pill shrinks to the app icon in the middle of the top edge */
.nav.collapsed .nav-inner{clip-path:inset(2px calc(50% - 30px) 2px calc(50% - 30px) round 16px)}
.nav.collapsed .nav-inner>.lockup,.nav.collapsed .nav-inner>.nav-links,.nav.collapsed .nav-inner>.nav-actions{opacity:0;transform:scale(.92);pointer-events:none;transition-delay:0s,0s}
.nav.collapsed .nav-icon{opacity:1;pointer-events:auto;transition-delay:.25s}
.nav.collapsed .nav-icon:hover img{transform:scale(1.04)}
.nav-icon img{transition:transform .4s cubic-bezier(.22,.8,.2,1)}
.nav.scrolled .nav-inner{background:rgba(8,8,8,.97)}
.nav-links{display:flex;gap:14px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-actions .btn-sm{padding:9px 16px;min-height:38px;border-radius:14px}
.nav-links>a,.nav-links .dd-btn{padding:9px 18px;border-radius:10px;font-size:1.09rem;color:rgba(242,242,240,.72);transition:color .3s,background .3s;display:inline-flex;align-items:center;gap:6px}
.nav-links>a:hover,.nav-links .dd-btn:hover,.dd.open .dd-btn,.nav-links>a[aria-current]{color:#fff;background:rgba(255,255,255,.08)}
.dd{position:relative}
.dd-btn .chev{width:10px;height:10px;transition:transform .3s}
.dd.open .dd-btn .chev{transform:rotate(180deg)}
.dd-menu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,-4px);min-width:310px;
  background:#141414;border:1px solid var(--night-line);border-radius:var(--r);padding:8px;color:var(--night-text);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s,transform .3s var(--ease),visibility .25s;
}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dd-menu::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.dd-menu a{display:grid;grid-template-columns:30px 1fr;gap:0 12px;align-items:center;padding:11px 14px;border-radius:9px;transition:background .25s}
.dd-menu a .plogo{grid-row:1/3;width:30px;height:30px;color:var(--p)}
.dd-menu a:hover,.dd-menu a[aria-current]{background:rgba(255,255,255,.08)}
.dd-menu a b{display:block;font-weight:500;font-size:.98rem}
.dd-menu a small{display:block;color:var(--night-muted);font-size:.86rem;margin-top:2px}
.nav-actions{display:flex;align-items:center;gap:10px}
.burger{display:none;width:42px;height:42px;border-radius:10px;position:relative;border:1px solid var(--night-line)}
.burger span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--night-text);transition:transform .35s var(--ease),top .35s var(--ease)}
.burger span:first-child{top:16px}.burger span:last-child{top:24px}
.burger[aria-expanded="true"] span:first-child{top:20px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:20px;transform:rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:40;padding:calc(var(--nav-h) + 16px) var(--gutter) max(28px,env(safe-area-inset-bottom));
  background:rgba(8,8,8,.96);color:var(--night-text);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:space-between;overflow:auto;
  opacity:0;transform:translateY(-6px);transition:opacity .3s,transform .35s var(--ease);
}
.mobile-menu[hidden]{display:none!important}
.mobile-menu:not(.open){pointer-events:none}
.mobile-menu.open{opacity:1;transform:none}
.mobile-menu nav{display:flex;flex-direction:column}
.mobile-menu nav>a,.mobile-menu .mm-group{padding:16px 0;border-bottom:1px solid var(--night-line)}
.mobile-menu nav>a{font-size:1.75rem;font-weight:400;letter-spacing:-.02em}
.mobile-menu .mm-group>span{display:block;font-size:1.75rem;letter-spacing:-.02em;margin-bottom:6px}
.mobile-menu .mm-group a{display:block;padding:9px 0 9px 18px;font-size:1.1rem;color:rgba(242,242,240,.8);border-left:1px solid var(--night-line)}
.mobile-menu .mm-group a small{color:var(--night-muted);font-size:.86rem;margin-left:8px}
body.menu-open{overflow:hidden}

/* ---------- hero ---------- */
.hero{padding:calc(var(--nav-h) + clamp(56px,9vw,120px)) 0 0}
.hero-row{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:28px clamp(24px,4vw,56px);align-items:end;margin-top:clamp(28px,3.5vw,44px)}
.hero-row .cta-row{justify-content:flex-end}
.pool{
  position:relative;margin-top:clamp(40px,6vw,72px);height:clamp(240px,36vw,460px);
  border-radius:calc(var(--r) + 6px);overflow:hidden;background:var(--wash);
  border:1px solid rgba(8,8,8,.06);
}
.pool canvas{position:absolute;inset:0;width:100%;height:100%}
.pool-mark{position:absolute;left:50%;top:50%;width:clamp(56px,7vw,92px);transform:translate(-50%,-50%);opacity:.92;filter:drop-shadow(0 6px 18px rgba(28,127,176,.25))}
.facts{list-style:none;display:flex;flex-wrap:wrap;gap:8px 36px;margin-top:22px;color:var(--muted);font-size:.95rem}
.facts li{display:flex;align-items:center;gap:10px}
.facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ---------- about ---------- */
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px;color:var(--ink-2);font-size:1.02rem;line-height:1.7}
.about-cols p+p{margin:0}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:44px;border-top:1px solid var(--line-2)}
.points div{padding:18px 0;border-bottom:1px solid var(--line-2)}
.points dt{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500}
.points dd{font-size:1.15rem;margin-top:6px}

/* ---------- solutions (product rows) ---------- */
.products{margin-top:clamp(40px,5vw,64px)}
.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:20px clamp(24px,4vw,56px);padding:clamp(32px,4vw,52px) 0;border-top:1px solid var(--line);scroll-margin-top:calc(var(--nav-h) + 16px)}
.product:last-child{border-bottom:1px solid var(--line)}
.product-name{font-size:clamp(1.7rem,2.6vw,2.2rem);font-weight:400;letter-spacing:-.02em;line-height:1.1}
.product-full{color:var(--muted);margin-top:8px;font-size:1rem}
.status{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--p,var(--accent))}
.status.is-dev::before{background:transparent;border:1px solid var(--p,var(--accent))}
.product-headline{font-size:clamp(1.25rem,1.9vw,1.6rem);font-weight:500;letter-spacing:-.015em;line-height:1.3;text-wrap:balance}
.product-body>p+p{margin-top:16px;color:var(--ink-2);max-width:62ch}
.product-body ul{list-style:none;margin:24px 0 26px;display:grid;gap:10px;max-width:62ch}
.product-body li{display:flex;gap:14px;align-items:baseline;color:var(--ink-2)}
.product-body li::before{content:"";flex:none;width:16px;height:1px;background:var(--ink);transform:translateY(-4px);opacity:.5}

/* ---------- research (essay rows) ---------- */
.essays{margin-top:clamp(40px,5vw,64px);border-top:1px solid var(--line)}
.essay{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr) auto;gap:12px clamp(24px,4vw,56px);align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);transition:background .3s}
.essay-meta{display:flex;gap:14px;color:var(--muted);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.essay h3{font-size:1.32rem;font-weight:500}
.essay p{color:var(--ink-2);margin-top:6px;max-width:56ch}
.essay .arrow{font-size:1.3rem;color:var(--muted);transition:transform .35s var(--ease),color .3s}
.essay:hover .arrow{transform:translateX(4px);color:var(--ink)}
.essay:hover h3{color:var(--accent-ink)}
.essays-more{margin-top:28px}

/* ---------- closing: contact + footer (dark) ---------- */
.closing{margin-top:clamp(48px,6vw,80px);background:var(--night);color:var(--night-text);padding:clamp(36px,4.5vw,52px) 0 max(18px,env(safe-area-inset-bottom));border-radius:28px 28px 0 0}
main:has(.hero-only) + .closing{margin-top:0}
.contact{max-width:none;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px 40px;align-items:center}
.contact h2{font-size:clamp(1.6rem,2.8vw,2.3rem);letter-spacing:-.02em}
.contact .sec-sub{color:var(--night-muted);margin-top:4px;font-size:.98rem;max-width:none}
.contact .cta-row{margin-top:0;gap:18px}
.contact-email{color:var(--night-text);font-size:1.05rem;border-bottom:1px solid var(--night-line);padding-bottom:2px;transition:border-color .3s}
.contact-email:hover{border-color:var(--night-text)}
.footer-grid{display:grid;grid-template-columns:1fr 2fr;gap:32px;margin-top:clamp(28px,3.5vw,40px);padding-top:26px;border-top:1px solid var(--night-line)}
.footer-home{display:inline-block}
.footer-logo{width:136px;height:auto;transition:opacity .3s}
.footer-home:hover .footer-logo{opacity:.85}
.footer-tagline{color:var(--night-muted);max-width:300px;margin-top:22px;font-size:.98rem}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h4{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--night-muted);font-weight:500;margin-bottom:8px}
.footer-col a{display:block;padding:3px 0;color:rgba(242,242,240,.78);font-size:.94rem;transition:color .3s}
.footer-col a:hover{color:#fff}
.footer-col span{display:block;padding:3px 0;color:rgba(242,242,240,.55);font-size:.94rem;cursor:default}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:22px;padding-top:14px;border-top:1px solid var(--night-line);color:var(--night-muted);font-size:.82rem}
.footer-actions{display:flex;align-items:center;gap:22px}
.to-top,.lang-btn{color:var(--night-muted);font-size:.82rem;transition:color .3s;padding:0}
.to-top:hover,.lang-btn:hover{color:var(--night-text)}
.lang-btn{border:1px solid var(--night-line);border-radius:999px;padding:5px 12px;font-family:var(--font)}
.lang-btn:hover{border-color:rgba(255,255,255,.4)}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3,html[lang="zh-CN"] .slide-copy h2{letter-spacing:0}
html[lang="zh-CN"] h1{max-width:11em;line-height:1.15}
html[lang="zh-CN"] .lede,html[lang="zh-CN"] p{line-height:1.8}
html[lang="zh-CN"] .label,html[lang="zh-CN"] .post-meta,html[lang="zh-CN"] .glance dt,html[lang="zh-CN"] .status,html[lang="zh-CN"] .footer-col h4,html[lang="zh-CN"] .footprint-cap{letter-spacing:.06em}

/* ---------- scroll-linked unfolding (progressive enhancement) ---------- */
@supports (animation-timeline: view()){
  .pool,.story-visual,.usecase,.feature,.post,.sol,.acover-art{animation:unfold linear both;animation-timeline:view();animation-range:entry 0% entry 55%}
  @keyframes unfold{from{opacity:.2;transform:translateY(36px) scale(.985)}to{opacity:1;transform:none}}
}
.closing{background:radial-gradient(60% 50% at 80% 10%,rgba(46,159,214,.16),transparent 60%),radial-gradient(50% 40% at 10% 90%,rgba(29,78,216,.14),transparent 60%),var(--night);background-size:200% 200%,200% 200%,auto;animation:breathe 22s ease-in-out infinite alternate}
@keyframes breathe{from{background-position:0% 0%,100% 100%,0 0}to{background-position:100% 60%,0% 30%,0 0}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);filter:blur(6px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none;filter:none}
html.static .reveal{opacity:1;transform:none;filter:none;transition:none}


/* ---------- product tints (home rows + product pages) ---------- */
[data-tint="doa"],body[data-product="doa"]{--p:#2E9FD6;--p-ink:#1C7FB0;--p-wash:#DCEEF8;--p-wash-2:#EEF6FB;--p-rgb:46,159,214;--p-deep:29,78,216}
[data-tint="aconnect"],body[data-product="aconnect"]{--p:#2FA37E;--p-ink:#1F7F61;--p-wash:#DCF1E7;--p-wash-2:#EEF8F3;--p-rgb:47,163,126;--p-deep:16,110,90}
[data-tint="discovery"],body[data-product="discovery"]{--p:#7B6CDB;--p-ink:#5A4BC2;--p-wash:#E5E1F7;--p-wash-2:#F1EFFA;--p-rgb:123,108,219;--p-deep:80,60,190}
.product-name{position:relative}
.product .product-name::before{content:"";position:absolute;left:-22px;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--p,var(--accent));opacity:0;transform:scale(.6);transition:opacity .4s,transform .5s var(--ease)}
.product:hover .product-name::before{opacity:1;transform:none}

/* ---------- research: post cards ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.post{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(255,255,255,.4);transition:transform .5s var(--ease),border-color .3s,box-shadow .5s}
.post:hover{transform:translateY(-3px);border-color:rgba(8,8,8,.22);box-shadow:0 18px 40px -24px rgba(8,8,8,.25)}
.post-cover{aspect-ratio:4 / 1.95;overflow:hidden;background:var(--wash);flex:none}
.cover{width:100%;height:100%;display:block;transition:transform 1s var(--ease)}
.post:hover .cover{transform:scale(1.035)}
.post-body{display:flex;flex-direction:column;flex:1;padding:14px 18px 16px;min-height:0}
.post-tags{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;line-height:1.4}
.post h3{font-size:1.12rem;font-weight:500;padding:0;margin-top:6px;line-height:1.28;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{color:var(--ink-2);font-size:.94rem;line-height:1.45;margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-by{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:auto;padding-top:12px;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 12px;padding:18px 20px 0;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}
.home-posts{margin-top:clamp(36px,5vw,56px)}
.posts-more{margin-top:28px}

/* ---------- research index ---------- */
.rhead{padding:calc(var(--nav-h) + clamp(20px,3vw,40px)) 0 0}
.rhead h1{margin-top:18px}
.rhead .lede{margin-top:18px}
.feature{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(18px,2.4vw,30px);border-radius:calc(var(--r) + 8px);background:var(--f-bg,var(--wash));margin-top:clamp(36px,5vw,64px);color:var(--ink)}
.feature-cover{border-radius:var(--r);overflow:hidden;aspect-ratio:16/10;background:#fff;box-shadow:0 30px 60px -40px rgba(8,8,8,.35)}
.feature-text{padding:8px 8px 8px 0}
.feature-text .label{color:var(--f-fg,var(--accent-ink))}
.feature-text h2{margin-top:10px;font-size:clamp(1.7rem,3vw,2.5rem)}
.feature-text p{margin-top:6px;color:var(--ink-2);max-width:44ch}
.feature-text .link{margin-top:24px}
.feature:hover .cover{transform:scale(1.02)}
.posts-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin:clamp(48px,7vw,80px) 0 24px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.posts-count{font-size:1.1rem}
.posts-lead{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-width:0}
.post-search{position:relative;display:flex;align-items:center}
.post-search input{width:min(220px,70vw);height:40px;padding:0 14px 0 36px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.55);color:var(--ink);font:inherit;font-size:.95rem;outline:none;transition:border-color .25s,background .25s}
.post-search input::placeholder{color:var(--muted)}
.post-search input:hover{border-color:rgba(8,8,8,.28)}
.post-search input:focus{border-color:var(--accent);background:#fff}
.post-search::before{content:"";position:absolute;left:13px;width:14px;height:14px;pointer-events:none;border:1.5px solid var(--muted);border-radius:50%;box-shadow:5px 5px 0 -4px var(--muted)}
.posts-empty{margin:8px 0 28px;color:var(--muted);font-size:.98rem}
.pager{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap;margin:clamp(24px,3.5vw,40px) 0 4px}
.pager-btn,.pager-num{font-family:inherit;font-size:.9rem;font-weight:500;background:transparent;border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--ink-2);cursor:pointer;transition:background .3s,color .3s,border-color .3s}
.pager-btn:hover:not(:disabled),.pager-num:hover:not(.is-current){border-color:var(--ink);color:var(--ink)}
.pager-num.is-current{background:var(--accent);color:#fff;border-color:var(--accent)}
.pager-btn:disabled{opacity:.35;cursor:default}
.pager-gap{padding:8px 4px;color:var(--muted);letter-spacing:.12em}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* research index: tighter vertical rhythm (scoped so About/home stay as-is) */
.research-page .rhead{padding-top:calc(var(--nav-h) + clamp(8px,1.4vw,16px))}
.research-page .r-title{max-width:none;display:flex;flex-wrap:wrap;align-items:baseline;column-gap:.28em;row-gap:.06em;font-size:clamp(2rem,4.2vw,3.4rem);letter-spacing:-.028em;line-height:1.08}
.research-page .type-slot{display:inline-flex;align-items:baseline;position:relative}
.research-page #typeWord{color:var(--accent)}
.research-page .type-caret{display:inline-block;width:2px;height:.78em;margin-left:.1em;background:var(--accent);border-radius:1px;transform:translateY(.08em);animation:type-caret 1s steps(1) infinite}
@keyframes type-caret{50%{opacity:0}}
.research-page .rhead h1{margin-top:10px}

.research-page .rhead .lede{margin-top:10px;max-width:48ch}
.research-page .feature{margin-top:clamp(16px,2.2vw,24px);padding:clamp(8px,1.1vw,14px);gap:clamp(12px,2.4vw,24px);align-items:center}
.research-page .feature-cover{aspect-ratio:2 / 1}
.research-page .feature-text{padding:2px 4px 2px 0}
.research-page .feature-text h2{margin-top:8px;font-size:clamp(1.55rem,2.6vw,2.2rem)}
.research-page .feature-text p{margin-top:10px;font-size:1.1rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.research-page .feature-text .link{margin-top:10px}
.research-page .posts-bar{margin:clamp(24px,3.5vw,36px) 0 14px;padding-bottom:10px}
.research-page .posts{gap:clamp(12px,1.5vw,18px)}
.research-page .post-body{padding:12px 16px 14px}
main.research-page + .closing{margin-top:clamp(28px,4vw,44px)}
.posts-count b{font-weight:500}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:.9rem;color:var(--ink-2);transition:background .3s,color .3s,border-color .3s}
.chip:hover{border-color:var(--ink)}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.post.hide{display:none}

/* ---------- article ---------- */
.acover{padding:calc(var(--nav-h) + 12px) 0 0}
.acover-art{border-radius:calc(var(--r) + 8px);overflow:hidden;aspect-ratio:21 / 5.85;max-height:286px;background:var(--wash)}
.article{max-width:720px;padding-top:clamp(32px,5vw,56px)}
.article .post-tags{margin-top:10px}
.article h1{font-size:clamp(2rem,4.4vw,3.4rem);margin-top:12px}
.article-excerpt{margin-top:14px;color:var(--ink-2);font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:52ch}
.article .post-by{margin-top:16px;padding-top:0}
.crumb{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .3s}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.5}
.ameta{margin-top:18px;color:var(--muted);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;font-weight:500;display:flex;flex-wrap:wrap;gap:8px 14px}
/* read-aloud: a small pill fixed at the bottom of the viewport, out of the way of the text */
.listen{position:fixed;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:40;display:flex;align-items:center;gap:8px;width:min(340px,calc(100% - 32px));padding:5px 10px 5px 5px;border-radius:999px;background:rgba(252,252,250,.84);-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);border:1px solid rgba(8,8,8,.09);box-shadow:0 10px 30px -14px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.7);transition:opacity .35s,transform .35s var(--ease)}
.listen.is-off{opacity:.8}
.listen-btn{width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;flex:none;cursor:pointer;transition:transform .3s var(--ease),background .3s}
.listen-btn:hover{transform:scale(1.06)}
.listen-btn:disabled{opacity:.4;cursor:default}
.listen-btn svg{width:15px;height:15px;grid-area:1/1}
.listen-btn .ic-pause,.listen.is-playing .listen-btn .ic-play{display:none}
.listen.is-playing .listen-btn .ic-pause{display:block}
.listen.is-playing .listen-btn{background:var(--accent-ink)}
.listen-range{display:block;flex:1;min-width:0;margin:0;height:20px;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer;touch-action:none}
.listen-range:focus{outline:none}
.listen-range::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:linear-gradient(to right,var(--accent) var(--v,0%),rgba(8,8,8,.13) var(--v,0%))}
.listen-range::-webkit-slider-thumb{-webkit-appearance:none;width:11px;height:11px;margin-top:-4px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.25);transition:transform .2s,opacity .2s}
.listen-range::-moz-range-track{height:3px;border-radius:2px;background:rgba(8,8,8,.13)}
.listen-range::-moz-range-progress{height:3px;border-radius:2px;background:var(--accent)}
.listen-range::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.25);transition:opacity .2s}
@media (hover:hover){
  .listen-range::-webkit-slider-thumb{opacity:0}
  .listen-range::-moz-range-thumb{opacity:0}
  .listen:hover .listen-range::-webkit-slider-thumb,.listen-range:focus-visible::-webkit-slider-thumb,.listen-range:active::-webkit-slider-thumb{opacity:1}
  .listen:hover .listen-range::-moz-range-thumb,.listen-range:focus-visible::-moz-range-thumb,.listen-range:active::-moz-range-thumb{opacity:1}
}
.listen-range:active::-webkit-slider-thumb{transform:scale(1.25)}
.listen-time{flex:none;color:var(--muted);font-size:.72rem;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.listen-rate{flex:none;font-size:.72rem;font-weight:500;font-variant-numeric:tabular-nums;color:var(--ink-2);padding:4px 6px;border-radius:8px;cursor:pointer;background:transparent;transition:background .25s,color .25s}
.listen-rate:hover{background:rgba(8,8,8,.06);color:var(--ink)}
.listen-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.listen.has-msg .listen-range,.listen.has-msg .listen-time,.listen.has-msg .listen-rate{display:none}
.listen.has-msg .listen-label{position:static;width:auto;height:auto;clip:auto;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;font-size:.78rem;color:var(--ink-2);padding-right:6px}
body.has-listen .closing{padding-bottom:calc(max(18px,env(safe-area-inset-bottom)) + 54px)}
.reading{background:rgba(46,159,214,.09);box-shadow:0 0 0 8px rgba(46,159,214,.09);border-radius:6px;transition:background .4s,box-shadow .4s}
h1.reading{box-shadow:0 0 0 10px rgba(46,159,214,.09)}
.abody{margin-top:clamp(28px,4vw,40px);font-size:1.12rem;line-height:1.75;color:var(--ink-2)}
.abody p+p{margin-top:1.2em}
.abody p:first-child{font-size:1.25rem;color:var(--ink)}
.abody strong{color:var(--ink);font-weight:500}
.abody code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em;background:rgba(8,8,8,.06);padding:.08em .38em;border-radius:5px;word-break:break-all}
.abody h2{margin-top:2.2em;font-size:clamp(1.35rem,2vw,1.6rem);font-weight:500;color:var(--ink);letter-spacing:-.015em;line-height:1.25}
.abody h2+p{margin-top:.8em}
.abody .sources-h{font-size:1.05rem;letter-spacing:.02em;padding-top:1.4em;border-top:1px solid var(--line)}
.abody .sources{margin-top:.9em;padding-left:1.4em;font-size:.92rem;line-height:1.6;color:var(--muted)}
.abody .sources li+li{margin-top:.55em}
.abody .sources a{color:var(--accent-ink);text-decoration:underline;text-decoration-color:rgba(28,127,176,.35);text-underline-offset:3px}
.abody .sources a:hover{text-decoration-color:var(--accent-ink)}


/* ---------- solution marks (small logos derived from the droplet) ---------- */
.plogo{width:28px;height:28px;flex:none;color:var(--p,var(--accent-ink));display:block}
.plogo-lg{width:46px;height:46px}

/* ---------- home: hero-only page with the big artwork ---------- */
.hero-only{padding:0}
/* the rail: intro panel + one panel per solution — full-width pages turned sideways */
.hero-only .wrap{width:100%}
.rail-wrap{position:relative}
.rail{position:relative;overflow:hidden;touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none}
.rail.dragging{cursor:grabbing}
.rail-track{position:relative;min-height:min(100vh,900px)}
.slide{position:absolute;top:0;left:0;width:100%;min-height:100%;padding:var(--nav-h) 0 72px;overflow:hidden;display:flex;align-items:center;color:var(--ink);will-change:transform;transition:transform .85s cubic-bezier(.22,.8,.2,1)}
.slide canvas{position:absolute;inset:0;width:100%;height:100%}
.slide img{-webkit-user-drag:none;user-drag:none}
.slide-inner{position:relative;z-index:2;width:min(var(--wrap),100% - 2*var(--gutter));margin-inline:auto}
.slide-intro{background:var(--paper);cursor:grab}
.hero-art-mark{position:absolute;left:72%;top:50%;width:clamp(72px,9vw,124px);transform:translate(-50%,-50%);filter:drop-shadow(0 12px 28px rgba(46,159,214,.22));animation:markfloat 7s ease-in-out infinite;pointer-events:none}
.hero-copy{max-width:min(52%,620px);padding:clamp(24px,4vw,56px) 0}
.hero-copy .lede{margin-top:22px}
.hero-copy .cta-row{margin-top:30px}
.hero-copy a,.slide-copy .btn{cursor:pointer}
.slide-product{background:var(--p-wash);text-decoration:none;cursor:pointer}
.slide-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:center}
.slide-copy{max-width:640px;padding:clamp(24px,4vw,56px) 0}
.slide-art{position:relative;aspect-ratio:480/340;max-width:560px;width:100%;justify-self:end}
.mod-svg{width:100%;height:100%;display:block;overflow:visible;font-family:var(--font)}
.mstat{position:absolute;left:0;bottom:-8px;display:flex;align-items:baseline;gap:10px;background:rgba(255,255,255,.75);backdrop-filter:blur(6px);border:1px solid rgba(var(--p-rgb),.25);border-radius:14px;padding:10px 16px}
.mstat b{font-size:1.5rem;font-weight:500;letter-spacing:-.02em;color:var(--p-ink)}
.mstat span{font-size:.85rem;color:var(--ink-2)}
.flow{animation:flow 2.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-24}}
.mnode{animation:bob 6s ease-in-out infinite}
.mnode:nth-of-type(2n){animation-delay:-2s}
.mnode:nth-of-type(3n){animation-delay:-4s}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -4px}}
.mbadge{animation:badge 5s ease-in-out infinite}
@keyframes badge{0%,15%{opacity:0;translate:0 8px}30%,80%{opacity:1;translate:0 0}95%,100%{opacity:0;translate:0 -6px}}
.mpulse{animation:pulse 2s ease-in-out infinite;transform-origin:center;transform-box:fill-box}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.8);opacity:.35}}
.mchart-line{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 3s cubic-bezier(.2,.7,.2,1) forwards}
.mchart{opacity:0;animation:fadein 1.2s 1.6s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}
.mcard .mcheck{opacity:0;transform:scale(.4);transform-origin:98px 86px;animation:certify 9s ease-in-out infinite;animation-delay:calc(var(--i) * .7s)}
@keyframes certify{0%,8%{opacity:0;transform:scale(.4)}14%,85%{opacity:1;transform:scale(1)}92%,100%{opacity:0;transform:scale(.4)}}
.plogo-xl{width:64px;height:64px;color:var(--p-ink);margin-bottom:26px}
.slide-kicker{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.slide-kicker b{font-weight:500;font-size:1.15rem;color:var(--p-ink)}
.slide-kicker span{color:var(--muted);font-size:1rem}
.slide-copy h2{font-size:clamp(2rem,4.4vw,3.6rem);letter-spacing:-.025em;line-height:1.05}
.slide-text{margin-top:18px;color:var(--ink-2);font-size:clamp(1.05rem,1.4vw,1.2rem);max-width:40ch}
.slide-copy .btn{margin-top:30px;background:var(--p-ink);color:#fff}
.slide-product:hover .btn{background:var(--p)}
.slide-product::after{content:"";position:absolute;right:2%;top:50%;width:min(48%,620px);aspect-ratio:1;transform:translateY(-50%);border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.6),transparent 66%);pointer-events:none}
/* page-turn: the incoming panel's copy settles into place */
.hero-copy,.slide-copy{opacity:.25;transform:translateX(40px);transition:opacity .7s var(--ease) .15s,transform .9s var(--ease) .1s}
.slide.is-active .hero-copy,.slide.is-active .slide-copy{opacity:1;transform:none}
.rail-nav{position:absolute;left:0;right:0;bottom:18px;z-index:3;display:flex;align-items:center;justify-content:center;gap:18px}
.rail-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(8,8,8,.18);color:var(--ink);display:grid;place-items:center;font-size:1rem;cursor:pointer;background:rgba(255,255,255,.35);backdrop-filter:blur(6px);transition:border-color .3s,background .3s,opacity .3s}
.rail-btn:hover{border-color:var(--ink);background:rgba(255,255,255,.7)}
.rail-btn:disabled{opacity:.3;cursor:default}
.dots{display:flex;gap:8px;align-items:center}
.dot{width:8px;height:8px;border-radius:4px;background:rgba(8,8,8,.18);cursor:pointer;transition:width .4s var(--ease),background .3s}
.dot.on{width:28px;background:var(--ink)}
@keyframes markfloat{0%,100%{transform:translate(-50%,-52%)}50%{transform:translate(-50%,-48%)}}

/* ---------- about page ---------- */
.about-page .rhead{padding-top:calc(var(--nav-h) + clamp(16px,2.5vw,32px))}
.about-page .sec{padding-top:clamp(40px,5vw,64px)}
.sec-chip{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--paper);border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:500;letter-spacing:.02em;line-height:1}
.sec-row{display:flex;align-items:center;gap:18px;margin-bottom:clamp(22px,3vw,30px)}
.sec-row::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--ink) 0,rgba(8,8,8,.25) 30%,var(--line) 100%)}
.about-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center;margin-top:18px}
.about-hero h1{margin-top:0;font-size:clamp(2rem,4.2vw,3.4rem);max-width:none}
.about-hero h1 em{color:var(--accent)}
.about-hero .lede{margin-top:18px;max-width:56ch;font-size:clamp(1rem,1.28vw,1.12rem)}
.about-art{position:relative;aspect-ratio:5/4;border-radius:calc(var(--r) + 8px);overflow:hidden;background:var(--wash)}
.about-art canvas{position:absolute;inset:0;width:100%;height:100%}
.about-art img{position:absolute;left:50%;top:50%;width:26%;transform:translate(-50%,-50%);filter:drop-shadow(0 8px 22px rgba(28,127,176,.25));animation:markfloat 7s ease-in-out infinite}
.what{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:clamp(16px,2.5vw,32px);align-items:stretch}
.what-tabs{display:flex;flex-direction:column;gap:10px}
.what-tab{display:flex;align-items:center;gap:14px;text-align:left;padding:18px 20px;border-radius:var(--r);border:1px solid var(--line);background:rgba(255,255,255,.45);color:var(--ink);font-size:1.15rem;font-weight:500;cursor:pointer;transition:background .35s,border-color .35s,transform .45s var(--ease),color .3s}
.what-tab .glyph{width:40px;height:40px;border-radius:12px;background:rgba(8,8,8,.06);color:var(--ink-2);display:grid;place-items:center;flex:none;transition:background .35s,color .35s}
.what-tab .glyph svg{width:20px;height:20px}
.what-tab .arrow{margin-left:auto;color:var(--muted);opacity:0;transform:translateX(-6px);transition:opacity .3s,transform .4s var(--ease)}
.what-tab:hover{border-color:rgba(8,8,8,.3);transform:translateX(3px)}
.what-tab.on{background:var(--wash);color:var(--ink);border-color:rgba(46,159,214,.28)}
.what-tab.on .glyph{background:#fff;color:var(--accent-ink)}
.what-tab.on .arrow{opacity:1;transform:none;color:var(--accent-ink)}
.what-panel{position:relative;border-radius:calc(var(--r) + 4px);background:rgba(255,255,255,.55);border:1.5px solid var(--accent);padding:clamp(26px,3.5vw,44px);overflow:hidden;min-height:100%}
.what-panel::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(46,159,214,.06);pointer-events:none}
.what-body{position:relative;opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease),transform .65s var(--ease)}
.what-panel.in .what-body{opacity:1;transform:none}
.what-body .glyph{width:48px;height:48px;border-radius:14px;background:#fff;color:var(--accent-ink);border:1px solid rgba(46,159,214,.28);display:grid;place-items:center;margin-bottom:18px}
.what-body .glyph svg{width:24px;height:24px}
.what-body h3{font-size:1.6rem;font-weight:500;color:var(--accent)}
.what-body p{margin-top:12px;color:var(--ink-2);max-width:52ch;line-height:1.7;font-size:1.05rem}
.what-card{padding:clamp(24px,3vw,36px);border-radius:calc(var(--r) + 4px);background:var(--p-wash-2);border:1px solid rgba(var(--p-rgb),.22);position:relative;overflow:hidden}
.what-card::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(var(--p-rgb),.12);pointer-events:none}
.what-card .glyph{width:48px;height:48px;border-radius:14px;background:var(--p-wash);color:var(--p-ink);display:grid;place-items:center;margin-bottom:20px}
.what-card .glyph svg{width:24px;height:24px}
.what-card h3{font-size:1.5rem;font-weight:500}
.what-card p{margin-top:10px;color:var(--ink-2);max-width:46ch;line-height:1.65;position:relative}
.ptiles{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,18px)}
.ptile{padding:22px 22px 24px;border-radius:var(--r);background:rgba(255,255,255,.55);border:1px solid var(--line);display:flex;gap:16px;align-items:flex-start;transition:transform .4s var(--ease),border-color .3s}
.ptile:hover{transform:translateY(-2px);border-color:rgba(8,8,8,.3)}
.ptile .glyph{flex:none;width:40px;height:40px;border-radius:12px;background:#fff;color:var(--ink);border:1px solid var(--line);display:grid;place-items:center}
.ptile .glyph svg{width:20px;height:20px}
.ptile h3{font-size:1.05rem;font-weight:500}
.ptile p{margin-top:4px;color:var(--ink-2);font-size:.94rem;line-height:1.55}
.who{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.team-text{color:var(--ink-2);max-width:52ch;font-size:1.05rem;line-height:1.65}
.team-text+.team-text{margin-top:12px}
.team-text.lead{color:var(--accent);font-weight:400}
.creed{margin:22px 0 0;padding:20px 24px;border-left:3px solid var(--ink);background:rgba(255,255,255,.55);border-radius:0 var(--r) var(--r) 0;font-size:1.15rem;line-height:1.55;color:var(--ink);max-width:52ch;text-wrap:pretty}
.who-side{display:flex;flex-direction:column;gap:20px}
.sub-label{display:block;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:12px}
.founders{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.founders{overflow:visible}
.founder{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.55);transition:border-color .3s;cursor:pointer;position:relative}
.founder:hover,.founder:focus-visible{border-color:rgba(8,8,8,.3)}
.founder .avatar{width:84px;height:84px;border-radius:50%;background:#fff;color:var(--ink);border:1px solid var(--line);flex:none;overflow:hidden;position:relative;display:block}
.founder .portrait{width:100%;height:100%;display:block}
.founder .arm{position:absolute;inset:0;transform-origin:64% 60%;transform:rotate(0deg);pointer-events:none;will-change:transform}
.founder .arm svg{width:100%;height:100%;display:block;overflow:visible}
.founder .arm.is-waving{animation:founder-wave 1.28s cubic-bezier(.37,.14,.18,1) 1}
@keyframes founder-wave{
  0%{transform:rotate(0deg)}
  16%{transform:rotate(-15deg)}
  32%{transform:rotate(9deg)}
  50%{transform:rotate(-18deg)}
  68%{transform:rotate(6deg)}
  100%{transform:rotate(0deg)}
}
.founder > div span{display:block;color:var(--muted);font-size:.88rem;margin-top:2px}
.founder b{display:block;font-weight:500;font-size:1rem}

.footprint{border-radius:calc(var(--r) + 4px);background:var(--night);color:var(--night-text);padding:clamp(20px,2.6vw,30px);position:relative;overflow:hidden}
.footprint svg{width:100%;height:auto;display:block}
.footprint-cap{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--night-muted)}
.who .btn{margin-top:22px}
.other-head{display:flex;align-items:center;gap:12px}


/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:1024px){
  .nav-links{position:static;transform:none}
  .posts{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:860px){
  :root{--nav-h:76px}
  .listen{width:min(340px,calc(100% - 28px));bottom:max(14px,env(safe-area-inset-bottom))}
  .listen-btn{width:36px;height:36px}
  .listen-range{height:24px}
  .nav{top:8px}
  .nav-inner{height:58px;border-radius:18px;padding:0 8px 0 16px}
  .nav-inner{clip-path:inset(0 0 -420px 0 round 18px)}
  .nav.collapsed .nav-inner{clip-path:inset(2px calc(50% - 27px) 2px calc(50% - 27px) round 14px)}
  .nav-icon{width:54px;height:54px;border-radius:14px}
  .contact{grid-template-columns:1fr}
  .closing{border-radius:22px 22px 0 0}
  .about-hero{grid-template-columns:1fr}
  .what{grid-template-columns:1fr}
  .what-tabs{flex-direction:row;gap:8px}
  .what-tab{flex:1;padding:12px 10px;font-size:.95rem;justify-content:center;gap:8px}
  .what-tab .arrow{display:none}
  .what-tab .glyph{width:30px;height:30px;border-radius:9px}
  .what-tab .glyph svg{width:16px;height:16px}
  .what-panel{min-height:0}
  .ptiles{grid-template-columns:1fr}
  .who{grid-template-columns:1fr}
  .founders{grid-template-columns:1fr}
  .rail-track{min-height:0}
  .slide{min-height:0;align-items:flex-start;padding-bottom:64px}
  .hero-copy{max-width:none;padding:20px 0 300px}
  .slide-grid{grid-template-columns:1fr;gap:8px}
  .slide-copy{max-width:none;padding:16px 0 8px}
  .slide-art{max-width:420px;justify-self:center;margin:0 auto 20px}
  .mstat{bottom:-14px;padding:8px 12px}
  .mstat b{font-size:1.2rem}
  .slide-product{min-height:0}
  .slide-product::after{display:none}
  .hero-art-mark{left:50%;top:auto;bottom:88px;transform:translate(-50%,0);width:88px}
  @keyframes markfloat{0%,100%{transform:translate(-50%,-4px)}50%{transform:translate(-50%,4px)}}
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .burger{display:block}
  .hero-row{grid-template-columns:1fr}
  .hero-row .cta-row{justify-content:flex-start}
  .sec-grid{grid-template-columns:1fr;gap:18px}
  .about-cols{grid-template-columns:1fr;gap:16px}
  .points{grid-template-columns:1fr}
  .points div{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0}
  .points dd{margin:0}
  .product{grid-template-columns:1fr}
  .product-head{display:grid;grid-template-columns:1fr auto;align-items:start}
  .product-head .status{grid-column:2;margin-top:8px}
  .product-head .product-full{grid-column:1}
  .essay{grid-template-columns:1fr auto;gap:8px 16px}
  .essay-meta{grid-column:1/-1}
  .essay .arrow{grid-row:2;grid-column:2;align-self:center}
}
@media (max-width:600px){
  body{font-size:16px}
  .posts{grid-template-columns:1fr}
  .acover-art{aspect-ratio:4 / 1.95}
  .posts-bar{align-items:flex-start;flex-direction:column}
  .posts-lead{width:100%}
  .post-search{flex:1;width:100%}
  .post-search input{width:100%}
  .pager{gap:4px}
  .pager-btn,.pager-num{padding:8px 12px;font-size:.86rem}
  h1{max-width:none}
  .cta-row .btn{flex:1 1 auto}
  .contact .cta-row{flex-direction:column;align-items:stretch}
  .contact-email{text-align:center}
  .footer-cols{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column-reverse;align-items:flex-start}
  .facts{flex-direction:column;gap:8px}
  .lockup-img{height:38px}
}

/* ---------- motion preferences ----------
   The site keeps its (slow, gentle) animations even when the OS asks for reduced motion — the owner's call.
   Only the scroll-linked unfold and smooth scrolling are dropped. */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pool,.story-visual,.usecase,.feature,.post,.sol,.acover-art{animation:none}
}
}