:root{color-scheme:light;--ink:#133038;--muted:#4d656a;--sea:#00676c;--paper:#fbfaf6;--line:#dce5df}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.65}a{color:var(--sea);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #147ea1;outline-offset:5px}header,main,footer{width:min(1180px,100% - 48px);margin-inline:auto}header{padding-block:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:12px;font-size:19px;font-weight:750;text-decoration:none;color:var(--ink)}.brand img{width:44px;height:44px;border-radius:10px}nav{display:flex;flex-wrap:wrap;gap:20px;align-items:center}nav a{font-size:14px}.hero{padding:68px 0 38px;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--sea)}h1{font-size:clamp(34px,4.5vw,59px);line-height:1.16;letter-spacing:-.035em;font-weight:750;margin:18px 0 24px;overflow-wrap:anywhere}h2{font-size:24px;line-height:1.35;margin:12px 0 16px;overflow-wrap:anywhere}p{margin:0 0 20px}.lead{font-size:19px;color:var(--muted)}.cta{display:inline-flex;align-items:center;gap:14px;text-align:start;background:var(--ink);color:white;border-radius:12px;text-decoration:none;font-size:16px;font-weight:650;padding:16px 23px;max-width:100%;overflow-wrap:anywhere}.cta:hover{background:var(--sea)}.cta span{font-size:22px}.hero-art{background:#dfede6;border-radius:26px;padding:22px 18px 14px;box-shadow:0 24px 70px #12382e15;transform:rotate(-2deg)}[dir=rtl] .hero-art{transform:rotate(2deg)}.hero-art img{display:block;width:100%;height:auto;aspect-ratio:8/5;border:1px solid #d2dfdb;border-radius:9px}.hero-art figcaption{font-size:12px;color:#425e56;text-align:center;margin-top:12px}.note{font-size:13px;line-height:1.7;color:var(--muted);max-width:620px;margin-top:18px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:44px 0 64px;padding-top:36px;border-top:1px solid var(--line)}.number{font-size:13px;font-weight:800;color:var(--sea);letter-spacing:.1em}.features p{font-size:16px;color:var(--muted)}.section-pair{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:60px}.section-pair section{border:1px solid var(--line);border-radius:20px;padding:32px;background:#fff}.section-pair p{margin:0}.languages{padding:26px;border-block:1px solid var(--line);margin:32px 0}.languages summary{cursor:pointer;font-weight:650;list-style-position:inside}.language-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px 24px;padding:24px 0 0}.language-grid a{overflow-wrap:anywhere;font-size:15px}.language-grid [aria-current]{font-weight:800}.guides{padding:26px 0;display:flex;flex-wrap:wrap;gap:12px 28px}.article{max-width:780px;margin:52px auto}.article h1{font-size:clamp(34px,4.5vw,54px)}.article h2{margin-top:44px}.article p,.article li{font-size:18px}.article img{width:100%;height:auto;border:1px solid var(--line);border-radius:14px}.article .meta{font-size:14px;color:var(--muted)}.article aside{padding:24px;background:#e8f0e9;border-radius:14px}.article li{margin:10px 0}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--muted)}@media(max-width:800px){.hero{grid-template-columns:1fr;gap:25px;padding-top:36px}.hero-art{margin:10px 0 0;transform:none}.features{grid-template-columns:1fr;gap:20px;margin-bottom:36px}.section-pair{grid-template-columns:1fr;gap:18px}.language-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.section-pair section{padding:24px}}@media(max-width:430px){header,main,footer{width:calc(100% - 32px)}header{align-items:flex-start}nav{gap:10px}.brand{font-size:16px}.brand img{width:36px;height:36px}.hero-art{padding:12px 10px}.language-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.languages{padding-inline:8px}.lead{font-size:17px}.article p,.article li{font-size:17px}h1{font-size:36px}.cta{padding:14px 17px}}