/* Tadpole / Tadpl Mail: shared styles. No external fonts or CDNs. No inline styles anywhere (CSP style-src 'self'). */
:root{
  --bg:#F7FAF9; --surface:#FFFFFF; --surface-2:#EEF5F3; --border:#D5E3E0;
  --text:#0B1F2A; --muted:#4A5F66; --brand:#0F766E; --brand-strong:#0B5F58;
  --brand-soft:#CCFBF1; --on-brand:#FFFFFF; --accent:#B45309; --accent-soft:#FEF3C7;
  --ok:#047857; --focus:#2563EB;
  --radius:14px; --shadow:0 1px 2px rgba(11,31,42,.06),0 8px 24px rgba(11,31,42,.06);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0A1518; --surface:#101E22; --surface-2:#15282D; --border:#22383E;
    --text:#E6F0EE; --muted:#A3B8B5; --brand:#2DD4BF; --brand-strong:#5EEAD4;
    --brand-soft:#123A38; --on-brand:#06201D; --accent:#FBBF24; --accent-soft:#3A2A0B;
    --ok:#34D399; --focus:#93C5FD;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-underline-offset:3px}
a:hover{color:var(--brand-strong)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
[id]{scroll-margin-top:84px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:750}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:700}
h3{font-size:1.15rem;font-weight:650}
p{margin:0 0 1em}
code{font-family:var(--mono);font-size:.92em;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:.08em .4em;white-space:nowrap}
.container{width:min(1120px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.badge{display:inline-flex;align-items:center;font-size:.78rem;font-weight:700;letter-spacing:.02em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 10px;vertical-align:middle}
.lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}

/* ---- Logo marks (inline SVG, theme-aware) ---- */
.logo-mark{width:34px;height:28px;flex:none}
.logo-body{fill:var(--brand)}
.logo-flap{fill:none;stroke:var(--bg);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.logo-eye{fill:var(--bg)}

/* ---- Header / nav ---- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;flex-wrap:wrap;min-height:64px;gap:8px 12px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700;font-size:1.2rem;letter-spacing:-.02em;border-radius:8px}
.brand:hover{color:var(--text)}
.brand .mail{color:var(--brand);font-weight:500}
.brand-wrap{display:flex;align-items:center;gap:8px;margin-right:auto;min-width:0}
.crumb-sep{color:var(--border);font-size:1.5rem;font-weight:300;line-height:1}
.brand-product{font-size:1.1rem}
.nav-menu{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center;order:2}
.nav a.link{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem}
.nav a.link:hover,.nav a.link[aria-current="page"]{color:var(--text);background:var(--surface-2)}
.menu-only{display:none}
.nav-signin{order:3}
.nav-cta{order:4}
.nav-toggle{order:5;display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}
.nav-toggle[hidden]{display:none}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.nav-toggle[aria-expanded="true"]{background:var(--surface-2)}
@media (min-width:821px){.nav-toggle{display:none}}
@media (max-width:820px){
  .nav-signin{display:none}
  .menu-only{display:block}
  /* No JS: links stay visible on their own row. With JS: collapsed behind the toggle. */
  .nav-menu{order:6;width:100%;flex-wrap:wrap;padding:0 0 10px}
  .js .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:8px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);margin-top:6px}
  .js .nav-menu.open{display:flex}
  .js .nav-menu a.link{padding:12px 14px;font-size:1rem}
}
@media (max-width:480px){
  .product .brand-co .co-name{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .brand-product .logo-mark{display:none}
  .nav-cta{padding:8px 12px}
}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:1rem;padding:12px 20px;border-radius:10px;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--on-brand)}
.btn-primary:hover{background:var(--brand-strong);color:var(--on-brand)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand);color:var(--text)}
.btn-sm{padding:8px 14px;font-size:.92rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-row-center{justify-content:center;margin-top:8px}

/* ---- Sections ---- */
section{padding:88px 0}
section.alt{background:var(--surface);border-block:1px solid var(--border)}
.section-head{max-width:680px;margin-bottom:40px}
.pt-0{padding-top:0}

/* ---- Hero ---- */
.hero{padding:88px 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero .btn-row{margin-top:28px}
.hero-note{margin-top:18px;font-size:.92rem;color:var(--muted)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding-top:56px}}

/* Mail hero art: neutral inbox illustration (decorative, no server details) */
.inbox-art{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:22px;max-width:460px;width:100%;margin-inline:auto}
.inbox-top{display:flex;align-items:center;gap:10px;padding-bottom:14px;margin-bottom:12px;border-bottom:1px solid var(--border)}
.inbox-top .logo-mark{width:30px;height:25px}
.bar{display:block;height:10px;border-radius:999px;background:var(--surface-2)}
.bar-strong{background:color-mix(in srgb,var(--brand) 22%,var(--surface-2))}
.w-30{width:30%}.w-40{width:40%}.w-55{width:55%}.w-70{width:70%}.w-85{width:85%}
.inbox-row{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;padding:12px 6px;border-radius:10px}
.inbox-row + .inbox-row{border-top:1px solid var(--border)}
.inbox-row.unread{background:var(--surface-2)}
.inbox-row.unread .bar{background:var(--border)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-soft)}
.inbox-row .lines{display:grid;gap:8px}

/* ---- Cards / grids ---- */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
section.alt .card{background:var(--bg)}
.card p:last-child{margin-bottom:0}
.icon{width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.icon svg{width:22px;height:22px}
.icon-lg{width:56px;height:56px;border-radius:14px;margin:0 auto 18px}
.icon-lg svg{width:28px;height:28px}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.steps li{counter-increment:s;position:relative;padding:24px 24px 24px 72px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.steps li::before{content:counter(s);position:absolute;left:22px;top:22px;width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--on-brand);font-weight:700;display:grid;place-items:center}
.steps li p{margin:0}
@media (max-width:900px){.steps{grid-template-columns:1fr}}

/* Callouts */
.callout{display:flex;gap:12px;padding:16px 18px;border-radius:12px;background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 35%,transparent);margin-top:20px}
.callout svg{flex:none;width:22px;height:22px;color:var(--brand);margin-top:2px}
.callout p{margin:0}
.callout.warn{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 35%,transparent)}
.callout.warn svg{color:var(--accent)}

/* Centered card (invite / contact) */
.invite-card{max-width:720px;margin-inline:auto;text-align:center;background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:48px 32px;box-shadow:var(--shadow)}
.invite-card .lead{margin-inline:auto}
.trust{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.trust li{display:flex;gap:10px;align-items:flex-start}
.trust svg{flex:none;width:20px;height:20px;color:var(--ok);margin-top:3px}
.trust-inline{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;margin-top:28px;color:var(--muted);font-size:.95rem}
.trust-inline li{align-items:center}
.trust-inline svg{margin-top:0;width:18px;height:18px}
@media (max-width:640px){.invite-card{padding:32px 20px}.btn-row-center .btn{width:100%}}

/* FAQ */
.faq{max-width:820px}
.faq details{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:12px}
section.alt .faq details{background:var(--bg)}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--brand);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 20px 18px;color:var(--muted)}
.faq details>div p:last-child{margin:0}

/* CTA band */
.band{background:var(--brand);color:var(--on-brand);border-radius:20px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band h2{margin:0 0 6px}
.band p{margin:0;opacity:.9}
.band .btn{background:var(--on-brand);color:var(--brand)}
.band .btn:hover{opacity:.92;color:var(--brand)}

/* Footer */
.site-footer{padding:48px 0 40px;border-top:1px solid var(--border);font-size:.93rem;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:first-child{grid-column:1/-1}}
.site-footer h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin-bottom:12px;font-weight:700}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:var(--brand);text-decoration:underline}
.site-footer .brand{color:var(--text)}
.foot-tag{margin-top:12px;max-width:40ch}
.legal{margin-top:36px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

@media (max-width:640px){
  body{font-size:16px}
  section{padding:64px 0}
  .lead{font-size:1.08rem}
  .band{padding:28px}
}

/* =====================================================================
   Company theme (body.co): deeper, more restrained "ink" palette.
   Same family as the product: same teal accent, same type, same marks.
   ===================================================================== */
.co{
  --ink:#071318; --ink-2:#0C1F26; --ink-line:#1A323B; --ink-text:#EAF2F0; --ink-muted:#9DB4B1; --ink-accent:#2DD4BF;
}
.co h1,.co h2{letter-spacing:-.035em}
.co .display{font-size:clamp(2.7rem,6.6vw,5.4rem);font-weight:700;line-height:1.02;letter-spacing:-.045em;margin-bottom:.35em;max-width:14ch}
.co .h-xl{font-size:clamp(2rem,4.4vw,3.3rem);line-height:1.08;font-weight:700;max-width:20ch}
.kicker{display:block;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:18px}
.ink .kicker{color:var(--ink-accent)}
.co section{padding:112px 0}
@media (max-width:640px){.co section{padding:72px 0}}

/* Ink surfaces */
.ink{background:var(--ink);color:var(--ink-text);--focus:#93C5FD}
.ink .lead,.ink .muted{color:var(--ink-muted)}
.ink a{color:var(--ink-accent)}
.ink a:hover{color:#5EEAD4}
.ink .btn-primary{background:var(--ink-accent);color:#04201C}
.ink .btn-primary:hover{background:#5EEAD4;color:#04201C}
.ink .btn-ghost{background:transparent;color:var(--ink-text);border-color:var(--ink-line)}
.ink .btn-ghost:hover{border-color:var(--ink-accent);color:var(--ink-text)}
.co-hero .btn-ghost{background:rgba(7,19,24,.7);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.ink .logo-body{fill:var(--ink-accent)}
.ink .logo-eye,.ink .logo-flap{fill:var(--ink);stroke:var(--ink)}
.ink .logo-eye{stroke:none}

/* Company header (ink) */
.site-header.ink{background:color-mix(in srgb,var(--ink) 92%,transparent);border-bottom-color:var(--ink-line)}
.site-header.ink .brand{color:var(--ink-text)}
.site-header.ink .nav a.link{color:var(--ink-muted)}
.site-header.ink .nav a.link:hover,.site-header.ink .nav a.link[aria-current="page"]{color:var(--ink-text);background:var(--ink-2)}
.site-header.ink .nav-toggle{background:var(--ink-2);border-color:var(--ink-line);color:var(--ink-text)}
.nav-signin.keep{display:inline-flex}
@media (max-width:820px){
  .js .site-header.ink .nav-menu{background:var(--ink-2);border-color:var(--ink-line)}
}
.brand-co .co-name{font-size:1.25rem;letter-spacing:-.03em}

/* Company hero */
.co-hero{position:relative;overflow:hidden;padding:136px 0 128px;isolation:isolate}
.co-hero .lead{font-size:clamp(1.1rem,1.6vw,1.3rem);max-width:52ch}
.co-hero .btn-row{margin-top:36px}
.co-art{position:absolute;inset:0;z-index:-1;pointer-events:none}
.co-art svg{position:absolute;right:-8%;top:50%;transform:translateY(-50%);width:min(900px,95vw);height:auto;max-width:none}
.co-art .ring{fill:none;stroke:var(--ink-accent);stroke-opacity:.22;stroke-width:1.2}
.co-art .ring-strong{stroke-opacity:.5}
.co-art .glow{opacity:.9}
@media (max-width:900px){
  .co-hero{padding:96px 0 88px}
  .co-art svg{right:-45%;top:auto;bottom:-30%;transform:none;opacity:.6}
}

/* Mission statement */
.mission{border-block:1px solid var(--border);background:var(--surface)}
.mission blockquote{margin:0;max-width:24ch;font-size:clamp(1.9rem,4.2vw,3.2rem);line-height:1.12;font-weight:650;letter-spacing:-.035em}
.mission blockquote span{color:var(--brand)}

/* Principles */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--border);margin-top:56px}
.principle{padding:32px 32px 8px 0}
.principle + .principle{padding-left:32px;border-left:1px solid var(--border)}
.principle .num{display:block;font-family:var(--mono);font-size:.85rem;color:var(--brand);margin-bottom:18px}
.principle h3{font-size:1.3rem;letter-spacing:-.02em}
.principle p{color:var(--muted);margin:0}
@media (max-width:900px){
  .principles{grid-template-columns:1fr}
  .principle,.principle + .principle{padding:28px 0;border-left:0;border-bottom:1px solid var(--border)}
}
.split-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end}
.split-head p{margin:0}
@media (max-width:900px){.split-head{grid-template-columns:1fr;gap:20px}}

/* Small product item (company page) */
.product-item{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;max-width:560px;padding:24px;border:1px solid var(--border);border-radius:16px;background:var(--surface)}
.product-item .tile{width:56px;height:56px;border-radius:14px;background:var(--brand-soft);display:grid;place-items:center}
.product-item .tile .logo-mark{width:36px;height:30px}
.product-item .tile .logo-flap{stroke:var(--brand-soft)}
.product-item h3{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px;font-size:1.15rem}
.product-item p{margin:0 0 12px;color:var(--muted)}
.product-links{display:flex;flex-wrap:wrap;gap:6px 20px;font-weight:600;font-size:.95rem}
.products-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:900px){.products-wrap{grid-template-columns:1fr;gap:28px}}

/* Contact (ink) */
.contact{position:relative;overflow:hidden;isolation:isolate}
.contact .mail-big{display:inline-block;font-size:clamp(1.8rem,5vw,3.6rem);font-weight:700;letter-spacing:-.04em;text-decoration:none;border-bottom:2px solid color-mix(in srgb,var(--ink-accent) 45%,transparent);line-height:1.15;word-break:break-word}
.contact .mail-big:hover{border-bottom-color:var(--ink-accent)}
.contact .lines{position:absolute;inset:0;z-index:-1}
.contact .lines svg{width:100%;height:100%}
.contact .lines path{fill:none;stroke:var(--ink-line);stroke-width:1}

/* Company footer on ink */
.site-footer.ink{border-top:1px solid var(--ink-line);color:var(--ink-muted)}
.site-footer.ink h2{color:var(--ink-text)}
.site-footer.ink a{color:var(--ink-muted)}
.site-footer.ink a:hover{color:var(--ink-accent)}
.site-footer.ink .brand{color:var(--ink-text)}
.site-footer.ink .legal{border-top-color:var(--ink-line)}

/* ---- Tadpole motif: hero swimmer, ripples, wave dividers (all decorative, aria-hidden) ---- */
.co-art .ring-faint{stroke-opacity:.1}
.co-art .swim-path{fill:none;stroke:var(--ink-accent);stroke-opacity:.16;stroke-width:1.2;stroke-dasharray:2 7;stroke-linecap:round}
.swimmer-head,.swimmer-tail{fill:var(--ink-accent)}
.swimmer-eye{fill:var(--ink)}
.swimmer{opacity:.9;animation:tp-swim 22s ease-in-out infinite alternate}
.swimmer-tail{transform-box:fill-box;transform-origin:100% 40%;animation:tp-tail 2.6s ease-in-out infinite alternate}
.ripples{transform-box:view-box;transform-origin:560px 300px;animation:tp-ripple 9s ease-in-out infinite alternate}
@keyframes tp-swim{
  0%{transform:translate(-70px,26px) rotate(3deg)}
  50%{transform:translate(0,-6px) rotate(-2deg)}
  100%{transform:translate(70px,-30px) rotate(2deg)}
}
@keyframes tp-tail{from{transform:rotate(-7deg)}to{transform:rotate(7deg)}}
@keyframes tp-ripple{from{transform:scale(1);opacity:.85}to{transform:scale(1.04);opacity:1}}
@media (prefers-reduced-motion:reduce){
  .swimmer,.swimmer-tail,.ripples{animation:none!important}
}

.contact-ripples{position:absolute;z-index:-1;right:-140px;top:50%;width:620px;height:620px;transform:translateY(-50%);pointer-events:none}
.contact-ripples svg{width:100%;height:100%}
.contact-ripples .ring{fill:none;stroke:var(--ink-accent);stroke-opacity:.16;stroke-width:1.2}
.contact-ripples .ring-strong{stroke-opacity:.32}
.contact-ripples .ripples{transform-origin:300px 300px}
@media (max-width:700px){.contact-ripples{right:-320px;opacity:.7}}

.wave{display:block;line-height:0;position:relative;z-index:1}
.wave svg{display:block;width:100%;height:56px}
.wave-ink-to-bg{background:var(--bg)}
.wave-ink-to-bg .wave-fill{fill:var(--ink)}
.wave-bg-to-ink{background:var(--bg)}
.wave-bg-to-ink .wave-fill{fill:var(--ink)}
.wave .wave-line{fill:none;stroke:var(--brand);stroke-opacity:.25;stroke-width:1.2}
@media (max-width:640px){.wave svg{height:36px}}
.co-hero{padding-bottom:96px}
.co #products{padding-bottom:128px}

/* ---- polish pass ---- */
@media (max-width:820px){
  .nav .nav-signin:not(.keep){display:none}
}
.mission{position:relative;overflow:hidden;isolation:isolate}
.mission-ripples{position:absolute;z-index:-1;right:-60px;top:50%;width:520px;height:520px;transform:translateY(-50%);pointer-events:none}
.mission-ripples svg{width:100%;height:100%}
.mission-ripples circle{fill:none;stroke:var(--brand);stroke-opacity:.14;stroke-width:1.2}
.mission-ripples circle:first-child{stroke-opacity:.3}
@media (max-width:900px){.mission-ripples{right:-300px;opacity:.6}}
@media (max-width:900px){
  .co-hero{padding-bottom:230px}
  .co-art svg{width:640px;right:-215px;bottom:-130px;top:auto;transform:none;opacity:.75}
}

/* =====================================================================
   v4 motion layer: animated header wave, glassy sticky header, nav hover,
   reveals, hero aurora, card lift. CSP-safe (no inline styles/scripts),
   transform/opacity/background-position only for continuous animation.
   ===================================================================== */
.site-header{transition:background-color .35s ease,box-shadow .35s ease,-webkit-backdrop-filter .35s ease,backdrop-filter .35s ease}
.site-header .nav{transition:min-height .35s ease}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(4,14,17,.18);-webkit-backdrop-filter:saturate(1.6) blur(16px);backdrop-filter:saturate(1.6) blur(16px)}
.site-header.is-scrolled .nav{min-height:56px}
.site-header.ink.is-scrolled{background:color-mix(in srgb,var(--ink) 86%,transparent)}
.site-header:not(.ink).is-scrolled{background:color-mix(in srgb,var(--bg) 74%,transparent)}

/* animated teal wave line along the header's bottom edge */
.header-wave{position:absolute;left:0;right:0;bottom:-6px;height:12px;overflow:hidden;pointer-events:none;z-index:1}
.header-wave .hw-track{position:absolute;inset:0 auto 0 0;width:200%;
  -webkit-mask:url("/header-wave.svg") repeat-x 0 0/240px 12px;mask:url("/header-wave.svg") repeat-x 0 0/240px 12px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--ink-accent,#2DD4BF) 35%,transparent),color-mix(in srgb,var(--ink-accent,#2DD4BF) 70%,transparent),color-mix(in srgb,var(--ink-accent,#2DD4BF) 35%,transparent));
  animation:hw-drift 22s linear infinite;will-change:transform}
.header-wave .hw-track::after{content:"";position:absolute;inset:0;width:50%;
  background:linear-gradient(90deg,transparent 0%,rgba(204,251,241,0) 35%,rgba(204,251,241,.95) 50%,rgba(204,251,241,0) 65%,transparent 100%);
  animation:hw-shimmer 6.5s cubic-bezier(.45,.05,.55,.95) infinite;will-change:transform,opacity}
.site-header:not(.ink) .header-wave .hw-track{background:linear-gradient(90deg,color-mix(in srgb,var(--brand) 35%,transparent),color-mix(in srgb,var(--brand) 75%,transparent),color-mix(in srgb,var(--brand) 35%,transparent))}
.site-header:not(.ink) .header-wave .hw-track::after{background:linear-gradient(90deg,transparent 35%,rgba(255,255,255,.9) 50%,transparent 65%)}
@keyframes hw-drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes hw-shimmer{0%{transform:translateX(-60%);opacity:0}12%{opacity:1}75%{opacity:1}100%{transform:translateX(260%);opacity:0}}
.site-header.ink{border-bottom-color:transparent}
.site-header:not(.ink){border-bottom-color:transparent}

/* nav link underline + Sign in glow */
.nav a.link{position:relative}
.nav a.link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--ink-accent,var(--brand));transform:scaleX(0);transform-origin:left center;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.site-header:not(.ink) .nav a.link::after{background:var(--brand)}
.nav a.link:hover::after,.nav a.link:focus-visible::after,.nav a.link[aria-current="page"]::after{transform:scaleX(1)}
.site-header.ink .nav a.link:hover{background:transparent}
.nav-signin{position:relative;isolation:isolate}
.nav-signin::before{content:"";position:absolute;inset:-4px;border-radius:14px;z-index:-1;background:radial-gradient(closest-side,color-mix(in srgb,var(--ink-accent,#2DD4BF) 45%,transparent),transparent);opacity:0;transition:opacity .35s ease}
.nav-signin:hover::before,.nav-signin:focus-visible::before{opacity:1}
.site-header.ink .nav-signin:hover{border-color:var(--ink-accent)}

/* hero aurora glow (decorative) */
.co-hero::before,.hero::before{content:"";position:absolute;z-index:-1;pointer-events:none;inset:-30% -20%;
  background:radial-gradient(40% 35% at 30% 40%,color-mix(in srgb,#2DD4BF 22%,transparent),transparent 70%),
             radial-gradient(35% 30% at 70% 60%,color-mix(in srgb,#0F766E 30%,transparent),transparent 70%),
             radial-gradient(30% 25% at 55% 25%,color-mix(in srgb,#5EEAD4 14%,transparent),transparent 70%);
  animation:aurora 26s ease-in-out infinite alternate;will-change:transform,opacity}
.hero{position:relative;isolation:isolate}
.hero::before{opacity:.55}
@keyframes aurora{0%{transform:translate3d(-4%,-2%,0) rotate(0deg) scale(1);opacity:.75}50%{transform:translate3d(3%,2%,0) rotate(6deg) scale(1.08);opacity:1}100%{transform:translate3d(-2%,4%,0) rotate(-4deg) scale(1.03);opacity:.8}}

/* card hover lift (uses `translate` so it composes with reveal transforms) */
.card,.product-item{transition:translate .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease,border-color .3s ease}
.card:hover,.product-item:hover{translate:0 -4px;box-shadow:0 14px 34px rgba(11,31,42,.12);border-color:color-mix(in srgb,var(--brand) 40%,var(--border))}

/* scroll reveal (also used by JS-tagged cards on /mail/); visible without JS */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1),translate .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease,border-color .3s ease}
  .js .reveal.in{opacity:1;transform:none}
  .js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}
}

/* reduced motion: everything static */
@media (prefers-reduced-motion:reduce){
  .header-wave .hw-track,.header-wave .hw-track::after,.co-hero::before,.hero::before{animation:none}
  .header-wave .hw-track::after{opacity:0}
  .card:hover,.product-item:hover{translate:none}
}

/* ===== v5: canvas pond hero (hero.js), layered under coder's v4 hero art =====
   Stack (back → front): hero-static.svg water (CSS bg, also the no-JS scene) → canvas pond →
   aurora (::before, toned down over the canvas) → co-art rings/glow → copy.
   Once the canvas is live (.has-pond), the CSS swimmer and its dotted path hand over to the canvas fish;
   without JS/canvas they stay exactly as in v4. */
.co .co-hero.ink{background:var(--ink) url("/hero-static.svg?v=5") center/cover no-repeat}
.co-hero > canvas.pond{position:absolute;inset:0;width:100%;height:100%;z-index:-3;display:block;opacity:0;transition:opacity .8s ease}
.co-hero > canvas.pond.ready{opacity:1}
.co-hero.has-pond .co-art .swimmer,.co-hero.has-pond .co-art .swim-path{display:none}
.co-hero.has-pond .co-art{opacity:.5}
/* same aurora motion as v4, at about half the intensity over the canvas (keyframed opacity, no filter/blend: cheap to composite) */
.co-hero.has-pond::before{animation-name:aurora-soft}
@keyframes aurora-soft{0%{transform:translate3d(-4%,-2%,0) rotate(0deg) scale(1);opacity:.34}50%{transform:translate3d(3%,2%,0) rotate(6deg) scale(1.08);opacity:.48}100%{transform:translate3d(-2%,4%,0) rotate(-4deg) scale(1.03);opacity:.38}}

/* print: reveal content always visible; no decorative motion layers */
@media print{
  .reveal,.js .reveal{opacity:1!important;transform:none!important;translate:none!important;transition:none!important}
  .co-hero > canvas.pond,.co-art,.co-hero::before,.header-wave,.mission-ripples,.contact-ripples{display:none!important}
  .site-header{position:static!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;box-shadow:none!important}
}