:root{--paper:#f7f6f1;--ink:#24332e;--muted:#59615a;--line:#d9ded5;--green:#253c37;--soft:#edf0e9;--white:#fff;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit}svg{flex-shrink:0}.wrap{width:min(1080px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:16px;top:-90px;padding:10px 20px;background:var(--green);color:white;z-index:10}.skip:focus{top:12px}a:focus-visible{outline:3px solid #a46f22;outline-offset:5px;border-radius:3px}.site-header{padding:30px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:650;letter-spacing:.01em;text-decoration:none}.nav-link{font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}.nav-link span{margin-left:5px}.nav-link:hover{text-decoration:underline}.hero{padding:72px 0 55px;max-width:850px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}h1{font-family:var(--serif);font-size:clamp(43px,6vw,69px);font-weight:400;letter-spacing:-.045em;line-height:1.08;margin:0 0 25px}.intro{font-size:18px;line-height:1.7;color:var(--muted);max-width:690px;margin:0}.edition{font-size:12px;margin:25px 0 0;display:flex;align-items:center;gap:9px;color:var(--muted)}.edition-dot{display:inline-block;width:6px;height:6px;background:#587155;border-radius:50%}.edition-divider{margin:0 3px;color:#9aa394}.section-intro h2,.about-edition h2{font-family:var(--serif);font-size:29px;line-height:1.25;letter-spacing:-.025em;font-weight:400;margin:0 0 8px}.section-intro>p{color:var(--muted);font-size:14px;margin:0}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:25px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--white)}.download-option{padding:28px 25px 22px;display:flex;flex-direction:column;align-items:flex-start;min-width:0}.download-option+.download-option{border-left:1px solid var(--line)}.download-option.recommended{background:var(--soft)}.option-top{display:flex;align-items:center;justify-content:space-between;width:100%;gap:8px;margin-bottom:29px}.file-kind{font-size:10px;letter-spacing:.1em;font-weight:700;border:1px solid #c3ccbe;padding:2px 7px;border-radius:3px}.small-label{font-size:10px;color:var(--muted)}h3{font-size:16px;font-weight:650;line-height:1.4;margin:0 0 9px}.download-option>p:not(.file-detail){font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 20px}.file-detail{margin:auto 0 16px;font-size:11px;color:var(--muted);padding-top:6px}.download-button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:11px 14px;border:1px solid #c2cbc0;border-radius:4px;text-decoration:none;font-size:13px;font-weight:600;line-height:1.5;min-height:44px;background:var(--white);transition:background .15s,border-color .15s}.download-button svg{height:17px;width:17px;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}.download-button:hover{background:#f0f3ed;border-color:#7f9279}.download-button.primary{background:var(--green);border-color:var(--green);color:var(--white)}.download-button.primary:hover{background:#36564c}.secondary-link{font-size:11px;color:var(--muted);margin-top:12px;text-underline-offset:3px}.secondary-link:hover{color:var(--ink)}.getting-started{padding:57px 0 45px;border-bottom:1px solid var(--line)}.steps{list-style:none;padding:0;margin:25px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.steps li{display:flex;gap:15px}.step-number{font-family:var(--serif);font-size:20px;line-height:1.3;color:#667d60;padding-top:1px}.steps h3{font-size:14px;margin-bottom:7px}.steps p{margin:0;font-size:13px;line-height:1.8;color:var(--muted)}.about-edition{max-width:770px;padding:38px 0 45px}.about-edition h2{font-size:22px;margin-bottom:14px}.about-edition p{font-size:13px;line-height:1.85;margin:0 0 11px;color:var(--muted)}.about-edition .edition-date{font-size:11px;margin-top:16px}.site-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:20px 0 30px;font-size:11px;color:var(--muted)}.site-footer p{margin:0}.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}
@media(max-width:820px){.wrap{width:calc(100% - 40px)}.site-header{padding:23px 0}.hero{padding:53px 0 43px}.download-option{padding:22px 18px}.option-top{align-items:flex-start;flex-direction:column;gap:8px;margin-bottom:22px}.steps{gap:22px}.steps li{gap:10px}.site-footer{flex-direction:column;gap:5px}}
@media(max-width:620px){.wrap{width:calc(100% - 36px)}.site-header{gap:15px}.brand{font-size:12px;gap:10px;max-width:235px;line-height:1.35}.brand svg{width:29px}.nav-link{font-size:11px}.nav-link span{display:none}.hero{padding:43px 0 36px}.eyebrow{font-size:10px;letter-spacing:.12em;margin-bottom:18px}h1{font-size:43px;letter-spacing:-.04em}.intro{font-size:16px;line-height:1.75}.edition{font-size:11px;flex-wrap:wrap}.download-grid{grid-template-columns:1fr;margin-top:20px}.download-option{padding:25px}.download-option+.download-option{border-left:0;border-top:1px solid var(--line)}.option-top{flex-direction:row;align-items:center;margin-bottom:22px}.small-label{font-size:11px}.download-option>p:not(.file-detail){font-size:14px;max-width:440px;margin-bottom:16px}.download-option h3{font-size:18px}.file-detail{padding-top:0;margin:0 0 15px}.download-button{font-size:14px;padding:12px 14px}.secondary-link{font-size:12px}.section-intro h2{font-size:26px}.section-intro>p{font-size:13px}.getting-started{padding:38px 0 33px}.steps{grid-template-columns:1fr;gap:23px}.steps li{gap:18px}.steps h3{font-size:15px}.steps p{font-size:14px}.step-number{font-size:22px}.about-edition{padding:30px 0}.about-edition p{font-size:14px}.site-footer{font-size:10px;padding-bottom:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white}.site-header,.nav-link,.download-button,.secondary-link,.skip{display:none}.wrap{width:100%}.hero{padding-top:0}h1{font-size:35px}.download-grid{display:block}.download-option+.download-option{border:0}.download-option{padding:12px 0}.steps{display:block}.steps li{margin:16px 0}.getting-started{padding-top:25px}.about-edition{padding-bottom:0}.site-footer{font-size:9px}}
.header-links{display:flex;align-items:center;gap:22px}.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 45px}.steps a,.setup-notes a{text-underline-offset:3px}.steps .keyboard-help{margin-top:10px;font-size:12px}.example-message{margin:30px 0 20px;padding:22px 26px;background:var(--soft);border-left:3px solid #72876c;border-radius:0 5px 5px 0}.example-label{font-size:11px;font-weight:650;letter-spacing:.04em;margin:0 0 8px;color:var(--muted)}.example-message blockquote{margin:0;font-family:var(--serif);font-size:20px;line-height:1.55}.setup-notes{max-width:850px}.setup-notes p{font-size:13px;line-height:1.8;color:var(--muted);margin:12px 0 0}@media(max-width:620px){.header-links{flex-direction:column;align-items:flex-end;gap:6px}.steps{grid-template-columns:1fr;gap:23px}.steps .keyboard-help,.setup-notes p{font-size:14px}.example-message{padding:20px}.example-message blockquote{font-size:19px}}
.worked-example{display:flex;align-items:center;gap:35px;justify-content:space-between;margin-top:40px;padding:30px;border:1px solid var(--line);border-radius:7px;background:var(--soft)}.worked-example .section-intro{max-width:670px}.worked-example .eyebrow{margin:0 0 12px;font-size:10px}.worked-example h2{font-size:26px}.worked-example .section-intro>p:last-child{font-size:13px;line-height:1.8}.example-actions{min-width:210px;display:flex;flex-direction:column;align-items:flex-start}.example-actions .secondary-link{font-size:12px}.header-links .nav-link{font-size:12px}summary{cursor:pointer;text-underline-offset:3px}summary:focus-visible{outline:3px solid #a46f22;outline-offset:5px}.setup-notes[open]{padding-bottom:5px}.setup-notes summary{margin-top:18px;font-size:13px;font-weight:600}@media(max-width:820px){.header-links{gap:14px}.worked-example{align-items:flex-start;flex-direction:column;gap:20px}.example-actions{min-width:230px}}@media(max-width:620px){.header-links{gap:4px}.header-links .nav-link{font-size:10px}.worked-example{margin-top:28px;padding:24px}.worked-example h2{font-size:25px}.worked-example .section-intro>p:last-child,.setup-notes summary{font-size:14px}.example-actions{width:100%}}