*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f4f6f8;color:#1c2938;font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
header,footer{background:#102a48;color:#eaf3fb}
header a,footer a{color:#eaf3fb}
nav{display:flex;gap:1.2rem;flex-wrap:wrap}
main,header>div,footer>div{max-width:850px;margin:auto;padding:28px}
main{min-height:65vh}
.product-page,header>div,footer>div{max-width:1120px}
h1{font-size:2.2rem;line-height:1.2;color:#102a48}
h2{font-size:1.5rem;line-height:1.3;margin-top:1.8rem;color:#102a48}
h3{font-size:1.15rem;line-height:1.4;color:#102a48}
a{color:#155c9f;text-underline-offset:3px;overflow-wrap:anywhere}
header a{text-decoration:none}
a:focus-visible{outline:3px solid #00a1ce;outline-offset:5px}
.brand{font-size:1.1rem;font-weight:650;margin-bottom:16px}
.lead{font-size:1.2rem;max-width:780px}
.status{display:inline-block;background:#deebf8;padding:4px 12px;border-radius:6px;font-size:.9rem;font-weight:600;color:#102a48}
footer{font-size:.9rem}
li{margin:.5rem 0}
.hero{padding:6px 0 12px}
.identity{display:flex;align-items:center;gap:22px;margin:22px 0}
.identity h1{font-size:3.5rem;margin:0 0 5px;letter-spacing:-.035em}
.app-icon{width:96px;height:96px;border-radius:22px}
.subtitle{font-size:1.55rem;margin:0;color:#45617a}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-top:26px}
.button{display:inline-block;padding:12px 22px;background:#155c9f;color:#fff;border-radius:8px;text-decoration:none;font-weight:650}
.button:hover{background:#102a48}
.pricing,.compatibility{font-size:.9rem;color:#45617a;max-width:820px}
figure{margin:0;min-width:0}
figure img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid #d0d9e3;background:#e5eaf0}
figcaption{font-size:.88rem;color:#45617a;margin:10px 0 0}
.hero-screen{margin:32px 0 12px}
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.features article{background:#fff;border:1px solid #dee5ed;border-radius:12px;padding:22px}
.features h3{margin:0 0 10px}
.features p{margin:0;font-size:.97rem}
.product-page>section{margin-bottom:46px}
#screenshots{scroll-margin-top:24px}
#screenshots h3{margin:30px 0 16px}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.gallery.phones{grid-template-columns:repeat(3,minmax(0,1fr));max-width:900px;margin:auto}
.subscription{background:#e5eff8;border:1px solid #ccdeef;border-radius:12px;padding:26px}
.subscription h2{margin-top:0}
.engineering{max-width:850px}
.examples-page{max-width:1120px}
.examples-page>section{margin-bottom:42px;scroll-margin-top:24px}
.examples-page .intro-copy{max-width:850px}
.example-nav{display:flex;flex-wrap:wrap;gap:10px 20px;margin:26px 0;padding:18px 22px;background:#e5eff8;border:1px solid #ccdeef;border-radius:10px}
.example-card{background:#fff;border:1px solid #dee5ed;border-radius:12px;padding:26px;margin:22px 0;scroll-margin-top:24px}
.example-card h3{font-size:1.3rem;margin:12px 0}
.example-card h4{font-size:1rem;color:#102a48;margin:22px 0 8px}
.example-card .inputs{font-size:.95rem;color:#45617a}
.example-card .downloads{display:flex;flex-wrap:wrap;gap:10px 24px;margin:20px 0 0}
.example-status{display:inline-block;background:#e7f1ed;color:#245b45;border-radius:6px;padding:3px 10px;font-size:.82rem;font-weight:650}
.example-status.research{background:#fff0d5;color:#79551c}
.source-note,.review-note{font-size:.9rem;color:#45617a}
.example-equation{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem;padding:16px;background:#f4f6f8;border-radius:8px;overflow-wrap:anywhere}
.comparison-wrap{overflow-x:auto;border:1px solid #d0d9e3;border-radius:10px;margin:20px 0}
.comparison-table{border-collapse:collapse;width:100%;min-width:660px;font-size:.92rem;background:#fff;font-variant-numeric:tabular-nums}
.comparison-table caption{text-align:left;font-weight:650;padding:16px;color:#102a48;background:#e5eff8}
.comparison-table th,.comparison-table td{text-align:left;vertical-align:top;padding:13px 16px;border-bottom:1px solid #dee5ed}
.comparison-table thead th{font-size:.82rem;color:#45617a}
.comparison-table tbody th{font-weight:500}
.comparison-table .numeric{text-align:right;white-space:nowrap}
.comparison-table tr:last-child>*{border-bottom:0}
.comparison-table .research-row{background:#fffbf2}
.table-scroll-hint{display:none;font-size:.85rem;color:#45617a}
.method-note{background:#e5eff8;border:1px solid #ccdeef;border-radius:12px;padding:24px;max-width:950px}
.method-note h2{margin-top:0}
.examples-page code{font-size:.9em;overflow-wrap:anywhere}
@media(max-width:540px){.example-card,.method-note{padding:20px}.example-nav{padding:16px}.example-card h3{font-size:1.16rem}.comparison-table th,.comparison-table td{padding:11px 13px}.table-scroll-hint{display:block}}
@media(max-width:760px){.features{grid-template-columns:1fr}.identity h1{font-size:2.7rem}.subtitle{font-size:1.25rem}.gallery{gap:16px}}
@media(max-width:540px){main,header>div,footer>div{padding:22px}h1{font-size:1.9rem}.identity{gap:14px}.identity h1{font-size:2.15rem}.app-icon{width:70px;height:70px;border-radius:16px}.subtitle{font-size:1.1rem}.gallery{grid-template-columns:1fr}.gallery.phones{grid-template-columns:1fr;max-width:310px;gap:28px}.subscription{padding:20px}.button{padding:11px 16px}.actions{gap:14px}.status{font-size:.8rem}.lead{font-size:1.1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}