:root{--paper:#f7f9ff;--paper-2:#edf4ff;--card:#fff;--ink:#0a1d2d;--ink-2:#3e4a56;--mute:#6d7a75;--line:#0a1d2d1f;--line-soft:#0a1d2d12;--blue:#075480;--green:#2e9c87;--green-deep:#23806e;--amber:#b3701a;--navy:#08131c;--on-navy:#e8f2ff;--on-navy-dim:#93a8b3;--page-accent:var(--green);--logo-blue:#075480;--logo-green:#2e9c87;--aqi-good:#1a7d66;--aqi-mod:#8a6d00;--aqi-usg:#b34d24;--aqi-unh:#c42b2b;--serif:"Gambetta", "Georgia", serif;--sans:"Inter", "Helvetica Neue", sans-serif;--mono:"Fragment Mono", "SF Mono", monospace;--r:18px;--nav-h:72px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{background:var(--paper);color-scheme:light}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;font-size:1.03rem;line-height:1.62;overflow-x:clip}::selection{background:var(--blue);color:#fff}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.skip-link{z-index:300;background:var(--ink);color:#fff;border-radius:8px;padding:.6rem 1rem;position:fixed;top:-100px;left:1.2rem}.skip-link:focus{top:1rem}.wrap{max-width:1240px;margin:0 auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}h1{font-family:var(--serif);letter-spacing:-.015em;margin:1.4rem 0 1.5rem;font-size:clamp(2.7rem,5.4vw,4.7rem);font-weight:600;line-height:1.04}h2{font-family:var(--serif);letter-spacing:-.01em;max-width:22ch;margin-bottom:1.1rem;font-size:clamp(2rem,3.9vw,3.3rem);font-weight:500;line-height:1.08}h1 em,h2 em{color:var(--green-deep);font-style:italic;font-weight:500}.label{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--mute);margin-bottom:1.1rem;font-size:.68rem}.sec-lead{max-width:56ch;color:var(--ink-2);margin-bottom:2.6rem;font-size:1.08rem}.sec{padding:clamp(5rem,10vh,8rem) 0}section.sec.wrap{padding-inline:clamp(1.25rem,4vw,2.5rem)}.js [data-r]{opacity:0;transform:translateY(18px)}.js [data-r].in{opacity:1;transition:opacity .85s cubic-bezier(.22,1,.36,1),transform .85s cubic-bezier(.22,1,.36,1);transition-delay:var(--rd,0s);transform:none}.btn{border-radius:100px;align-items:center;gap:.6rem;padding:.85rem 1.5rem;font-size:.94rem;font-weight:550;transition:transform .25s,box-shadow .25s,background .25s,color .25s;display:inline-flex}.btn-solid{background:var(--blue);color:#fff;box-shadow:0 8px 24px -12px #0754808c}.btn-solid:hover{background:var(--green-deep);transform:translateY(-2px);box-shadow:0 12px 28px -12px #23806e8c}.btn-ghost{box-shadow:inset 0 0 0 1.5px var(--line);color:var(--ink)}.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--blue);color:var(--blue)}.btn-s{padding:.55rem 1.05rem;font-size:.86rem}#nav{z-index:100;max-width:100%;height:var(--nav-h);justify-content:space-between;align-items:center;gap:1.5rem;padding-inline:clamp(1.25rem,3vw,2.2rem);transition:background .4s,box-shadow .4s;display:flex;position:fixed;top:0;left:0;right:0}.scrolled #nav{-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line-soft);background:#f7f9ffd9}.brand{letter-spacing:-.01em;align-items:center;gap:.65rem;font-size:1.12rem;font-weight:600;display:inline-flex}.brand-logo{width:auto;height:1.6rem;display:block}.nav-links{gap:clamp(.9rem,1.8vw,1.7rem);display:flex}.nav-links a{color:var(--ink-2);padding:.35rem .15rem;font-size:.92rem;font-weight:500;transition:color .25s;position:relative}.nav-links a:after{content:"";background:var(--page-accent);transform-origin:0;border-radius:2px;height:2px;transition:transform .3s cubic-bezier(.22,1,.36,1);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.nav-links a:hover,.nav-links a.active{color:var(--ink)}.nav-links a.active:after,.nav-links a:hover:after{transform:scaleX(1)}.nav-cta{align-items:center;gap:.6rem;display:flex}.lang{position:relative}.lang-btn{letter-spacing:.02em;color:var(--ink-2);box-shadow:inset 0 0 0 1.5px var(--line);border-radius:100px;align-items:center;gap:.45rem;padding:.5rem .7rem;font-size:.8rem;font-weight:550;transition:box-shadow .25s,color .25s;display:inline-flex}.lang-btn:hover{box-shadow:inset 0 0 0 1.5px var(--blue);color:var(--blue)}.flag{width:17px;height:auto;box-shadow:0 0 0 1px var(--line-soft);border-radius:3px;display:block}.lang-chev{opacity:.55;width:8px;height:auto;transition:transform .25s}.lang.open .lang-chev{transform:rotate(180deg)}.lang-menu{z-index:120;background:var(--card);min-width:172px;box-shadow:0 18px 44px -18px #0a1d2d59, 0 0 0 1px var(--line-soft);opacity:0;visibility:hidden;border-radius:14px;padding:.4rem;list-style:none;transition:opacity .25s,transform .25s,visibility .25s;position:absolute;top:calc(100% + .55rem);right:0;transform:translateY(-6px)}.lang.open .lang-menu{opacity:1;visibility:visible;transform:none}.lang-menu a{color:var(--ink-2);border-radius:9px;align-items:center;gap:.6rem;padding:.5rem .7rem;font-size:.88rem;font-weight:500;transition:background .2s,color .2s;display:flex}.lang-menu a:hover,.lang-menu a.on{background:var(--paper-2);color:var(--ink)}.sheet-langs{gap:1.1rem;margin-top:2.4rem;display:flex}.sheet-langs a{letter-spacing:.08em;color:var(--ink-2);opacity:.75;align-items:center;gap:.45rem;font-family:var(--mono)!important;font-size:.72rem!important;display:inline-flex!important}.sheet-langs a.on{color:var(--ink);opacity:1}#nav-burger{flex-direction:column;flex:none;justify-content:center;align-items:center;gap:5px;width:42px;height:42px;display:none}#nav-burger span{background:var(--ink);border-radius:2px;width:20px;height:2px;transition:transform .35s}.sheet-open #nav-burger span:first-child{transform:translateY(3.5px)rotate(45deg)}.sheet-open #nav-burger span:nth-child(2){transform:translateY(-3.5px)rotate(-45deg)}#sheet{z-index:90;-webkit-backdrop-filter:blur(16px);opacity:0;visibility:hidden;background:#f7f9fff5;align-items:center;padding-inline:2rem;transition:opacity .4s,visibility .4s;display:flex;position:fixed;inset:0}.sheet-open #sheet{opacity:1;visibility:visible}.sheet-open{overflow:hidden}#sheet nav{flex-direction:column;gap:.4rem;display:flex}#sheet a{font-family:var(--serif);opacity:0;font-size:clamp(1.9rem,8vw,2.8rem);font-weight:500;transition:transform .45s,opacity .45s;transform:translateY(16px)}.sheet-open #sheet a{opacity:1;transform:none}.sheet-open #sheet a:nth-child(n){transition-delay:calc(40ms * var(--i,0))}#sheet .sheet-cta{font-family:var(--sans);align-self:flex-start;margin-top:2.2rem;font-size:1rem;font-weight:600;display:none}footer.site{background:var(--navy);color:var(--on-navy);padding:clamp(3.5rem,7vh,5.5rem) 0 2.2rem}.foot-grid{border-bottom:1px solid #e8f1ec1a;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem;display:grid}.foot-logo{width:auto;height:1.9rem;margin-bottom:1.2rem;display:block}.foot-brand p{color:var(--on-navy-dim);font-size:.92rem}.foot-mail{color:var(--on-navy);border-bottom:1px solid #e8f1ec40;margin-top:1rem;padding-bottom:1px;font-size:.9rem;transition:color .25s,border-color .25s;display:inline-block}.foot-mail:hover{color:#7fd8c6;border-color:#7fd8c6}.foot-grid nav{flex-direction:column;gap:.55rem;display:flex}.foot-grid nav p{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--on-navy-dim);margin-bottom:.5rem;font-size:.64rem}.foot-grid nav a{color:var(--on-navy);opacity:.85;width:fit-content;font-size:.92rem;transition:opacity .25s,color .25s}.foot-grid nav a:hover{opacity:1;color:#7fd8c6}.foot-grid nav span.soon{color:var(--on-navy-dim);opacity:.6;font-size:.85rem}.foot-base{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--on-navy-dim);flex-wrap:wrap;justify-content:space-between;gap:1rem;padding-top:1.8rem;font-size:.62rem;display:flex}.foot-tag{color:#7fd8c6}@media (width<=1200px){.nav-cta .btn-ghost{display:none}}@media (width<=1080px){.nav-links,.nav-cta .btn-ghost,.nav-cta .lang{display:none}#nav-burger{display:flex}.foot-grid{grid-template-columns:1fr 1fr}}@media (width<=560px){.nav-cta{display:none}#sheet .sheet-cta{display:inline-flex}}@media (width<=640px){.foot-grid{grid-template-columns:1fr;gap:1.8rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}.js [data-r]{opacity:1;transform:none}}