@font-face{font-family:"Instrument Sans";src:url("/track-my-asthma/fonts/instrument-sans-latin.woff2") format("woff2");font-weight:400 700;font-style:normal;font-display:swap}@font-face{font-family:"Source Serif 4";src:url("/track-my-asthma/fonts/source-serif-4-latin.woff2") format("woff2");font-weight:400 600;font-style:normal;font-display:swap;font-optical-sizing:auto}:root{--ground: #f7faf9;--surface: #ffffff;--ink: #10242b;--muted: #526a70;--line: #d8e4e2;--line-strong: #b9ccca;--brand: #0e7c6b;--brand-ink: #0a5b4f;--brand-soft: #e4f2ee;--orange: #e8632c;--band-bg: #10242b;--band-ink: #f2f8f6;--band-muted: #b4c8c4;--band-line: #2c474e;--sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--serif: "Source Serif 4", Georgia, "Times New Roman", serif;--wrap: 1120px;--gutter: clamp(1.25rem, 4vw, 2.5rem)}@media (prefers-color-scheme: dark){:root{--ground: #0b181c;--surface: #0f2227;--ink: #e9f1ef;--muted: #a3b7b4;--line: #22383d;--line-strong: #335056;--brand: #5bd3be;--brand-ink: #8fe6d5;--brand-soft: #102a29;--orange: #ff8a52;--band-bg: #12302f;--band-ink: #eaf6f2;--band-muted: #a9c6c0;--band-line: #2d4f4b}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:1rem;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-print-color-adjust:exact;print-color-adjust:exact;overflow-x:clip}img{max-width:100%}:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px}#main:focus{outline:none}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:.75rem 1rem;background:var(--ink);color:var(--ground);text-decoration:none}.skip:focus{left:1rem;top:1rem}.site-header{position:sticky;top:0;z-index:20;background:var(--ground);background:color-mix(in srgb, var(--ground) 88%, rgba(0,0,0,0));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:4.25rem}.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none;font-weight:600;letter-spacing:-.01em;white-space:nowrap}.brand__mark{width:1.8rem;height:1.8rem;flex:none;display:block;border-radius:22.5%}.nav{display:flex;align-items:center;gap:clamp(1rem,2.5vw,1.75rem)}.nav a{color:var(--muted);text-decoration:none;font-size:.95rem}.nav a:hover{color:var(--ink)}.nav a.nav__cta{padding:.55rem .95rem;border-radius:.6rem;background:var(--ink);color:var(--ground);font-weight:600;font-size:.9rem}.nav a.nav__cta:hover{background:var(--brand-ink);color:var(--ground)}.button{display:inline-flex;align-items:center;gap:.65rem;padding:.85rem 1.25rem;border-radius:.75rem;font:inherit;font-weight:600;font-size:.98rem;line-height:1;text-decoration:none;transition:transform 150ms ease,background-color 150ms ease}.button--store{background:var(--ink);color:var(--ground);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}.button--store:hover{transform:translateY(-1px);background:var(--brand-ink);color:var(--ground)}.button__icon{width:1.35rem;height:1.35rem;flex:none}.text-link{color:var(--ink);font-size:.95rem;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em}.text-link:hover{color:var(--brand-ink)}.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right, var(--line) 1px, rgba(0,0,0,0) 1px),linear-gradient(to bottom, var(--line) 1px, rgba(0,0,0,0) 1px);background-size:64px 64px;opacity:.5;-webkit-mask-image:radial-gradient(125% 95% at 50% 15%, #000 25%, rgba(0,0,0,0) 85%);mask-image:radial-gradient(125% 95% at 50% 15%, #000 25%, rgba(0,0,0,0) 85%);pointer-events:none}.hero__grid{position:relative;display:grid;grid-template-columns:minmax(0, 1.02fr) minmax(0, .98fr);gap:clamp(2.5rem,6vw,5rem);align-items:center;padding-block:clamp(3rem,7vw,6rem)}.hero__copy{min-width:0}.hero__copy h1{margin:0 0 1.25rem;max-width:13ch;font-size:clamp(2.6rem,5.6vw,4.5rem);font-weight:600;line-height:.99;letter-spacing:-.035em;text-wrap:balance}.hero__lede{margin:0;max-width:46ch;font-family:var(--serif);font-size:clamp(1.08rem,1.7vw,1.28rem);line-height:1.62;color:var(--muted)}.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;margin-top:2rem}.hero__note{margin:1.75rem 0 0;padding-top:1.25rem;max-width:42ch;border-top:1px solid var(--line);font-size:.88rem;line-height:1.55;color:var(--muted)}.hero__chart{margin:0}.peak{display:block;width:100%;height:auto;overflow:visible}.peak__grid line{stroke:var(--line);stroke-width:1}.peak__grid line.peak__axis{stroke:var(--line-strong)}.peak__labels text{fill:var(--muted);font-family:var(--sans);font-size:11px;font-variant-numeric:tabular-nums}.peak__line{fill:none;stroke:var(--orange);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:100;animation:peak-draw 1.9s .2s cubic-bezier(.25, .8, .25, 1) forwards}.peak__point{opacity:0;animation:peak-fade .4s 1.7s ease-out forwards}.peak__point circle{fill:var(--orange);stroke:var(--ground);stroke-width:3}.peak__point rect{fill:var(--ink)}.peak__point text{fill:var(--ground);font-family:var(--sans);font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}.hero__chart figcaption{margin-top:.9rem;font-size:.82rem;color:var(--muted)}@keyframes peak-draw{to{stroke-dashoffset:0}}@keyframes peak-fade{to{opacity:1}}.features{padding-block:clamp(3.5rem,8vw,6rem)}.section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:1rem 2rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line-strong)}.section-head h2{margin:0;font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:600;letter-spacing:-.03em}.section-head p{margin:0;font-size:.95rem;color:var(--muted)}.feature{display:grid;grid-template-columns:minmax(0, 1fr) minmax(0, 320px);gap:clamp(2rem,5vw,4.5rem);align-items:start;padding-block:clamp(2.5rem,5vw,3.5rem);border-bottom:1px solid var(--line)}.feature[data-tone=cyan]{--tone: #3fb6da}.feature[data-tone=red]{--tone: #e7513e}.feature[data-tone=blue]{--tone: #2e7cf6}.feature[data-tone=orange]{--tone: #f08a24}.feature[data-tone=green]{--tone: #2bb673}.feature[data-tone=purple]{--tone: #9b59d0}.feature__text h3{display:flex;align-items:center;gap:.65rem;margin:0 0 1rem;font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:600;letter-spacing:-.02em}.dot{width:.65rem;height:.65rem;flex:none;border-radius:50%;background:var(--tone);box-shadow:0 0 0 4px color-mix(in srgb, var(--tone) 16%, rgba(0,0,0,0))}.feature__text p{margin:0;max-width:50ch;font-family:var(--serif);font-size:1.07rem;line-height:1.7;color:var(--muted)}.feature__shot{margin:0}.feature__shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.feature__shot figcaption{margin-top:.7rem;font-size:.8rem;line-height:1.45;color:var(--muted)}.privacy{position:relative;overflow:hidden;background:var(--band-bg);color:var(--band-ink);padding-block:clamp(3.5rem,8vw,6rem)}.privacy__art{position:absolute;right:0;top:50%;width:min(56%,720px);height:72%;transform:translateY(-50%);pointer-events:none;-webkit-mask-image:linear-gradient(to right, rgba(0,0,0,0) 0%, #000 20%, #000 62%, rgba(0,0,0,0) 94%);mask-image:linear-gradient(to right, rgba(0,0,0,0) 0%, #000 20%, #000 62%, rgba(0,0,0,0) 94%)}.privacy__art path{fill:none;stroke:var(--band-line);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.privacy__grid{position:relative}.privacy h2{margin:0 0 1rem;font-size:clamp(1.9rem,4vw,2.9rem);font-weight:600;letter-spacing:-.03em;color:var(--band-ink)}.privacy p{margin:0 0 1.5rem;max-width:52ch;font-family:var(--serif);font-size:1.1rem;line-height:1.68;color:var(--band-muted)}.privacy .text-link{color:var(--band-ink)}.privacy .text-link:hover{color:var(--band-muted)}.closing{background:var(--brand-soft);padding-block:clamp(3.5rem,8vw,6rem)}.closing__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem}.closing h2{margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:600;letter-spacing:-.03em}.closing p{margin:0;font-family:var(--serif);font-size:1.05rem;color:var(--muted)}.footer{border-top:1px solid var(--line);padding-block:2.5rem}.footer__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2.5rem;font-size:.9rem;color:var(--muted)}.footer__brand{margin:0;font-weight:600;color:var(--ink)}.footer nav{display:flex;flex-wrap:wrap;gap:1.5rem}.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--ink)}.footer__legal{margin:0}.page{padding-block:clamp(2.5rem,6vw,4.5rem) clamp(3.5rem,8vw,6rem)}.page__inner{max-width:68ch;margin-inline:auto}.page__head{margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--line)}.page__head h1{margin:0 0 .75rem;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:600;line-height:1.02;letter-spacing:-.035em}.page__lede{margin:0;font-family:var(--serif);font-size:1.2rem;line-height:1.6;color:var(--muted)}.prose{max-width:none;font-family:var(--serif);font-size:1.09rem;line-height:1.72}.prose p{margin:0 0 1.1em}.prose h2{margin:2.4em 0 .6em;font-family:var(--sans);font-size:1.3rem;font-weight:600;line-height:1.25;letter-spacing:-.015em}.prose ul{margin:0 0 1.1em;padding-left:1.2em}.prose li{margin-bottom:.35em}.prose a{color:var(--brand-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em}.prose strong{font-weight:600}@media (max-width: 900px){.hero__grid{grid-template-columns:minmax(0, 1fr)}.hero__chart{max-width:560px}}@media (max-width: 760px){.site-header__inner{flex-wrap:wrap;gap:.75rem;padding-block:.8rem}.nav{order:3;width:100%;justify-content:flex-start;gap:1.25rem;padding-top:.75rem;border-top:1px solid var(--line)}.feature{grid-template-columns:1fr;gap:1.75rem}.feature__shot{max-width:320px}.footer__inner{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion: reduce){.peak__line,.peak__point{animation:none;opacity:1;stroke-dashoffset:0}.button--store{transition:none}.button--store:hover{transform:none}}