:root{--paper: #f7f3ea;--paper-deep: #ede4d4;--ink: #1f2428;--muted: #62615c;--line: #d7cdbb;--accent: #1f6f68;--accent-strong: #b6462d;--code-bg: #242b2d;--shadow: 0 18px 50px rgba(31, 36, 40, .1);color-scheme:light}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-family:Charter,Iowan Old Style,Palatino Linotype,"Noto Serif SC",serif;text-rendering:optimizeLegibility}body{margin:0;min-height:100vh;background:linear-gradient(90deg,rgba(31,111,104,.055) 1px,transparent 1px),linear-gradient(rgba(31,111,104,.04) 1px,transparent 1px),radial-gradient(circle at 12% 8%,rgba(182,70,45,.12),transparent 26rem),var(--paper);background-size:32px 32px,32px 32px,auto,auto}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}.site-shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0 20px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:baseline;gap:10px;text-decoration:none}.brand-mark{display:inline-grid;width:34px;height:34px;place-items:center;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-size:17px;font-weight:700;line-height:1}.brand-text{font-size:20px;font-weight:700}.site-nav{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:15px}.site-nav a{text-decoration:none}.site-nav a:hover{color:var(--ink)}.intro{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:end;padding:58px 0 46px}.eyebrow{margin:0 0 14px;color:var(--accent-strong);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;letter-spacing:0;text-transform:uppercase}h1,h2,h3{margin:0;line-height:1.08;letter-spacing:0}h1{max-width:820px;font-size:clamp(42px,8vw,88px);font-weight:760}.intro-copy{max-width:660px;margin:24px 0 0;color:var(--muted);font-size:20px;line-height:1.7}.intro-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.intro-stats span{display:inline-flex;align-items:center;min-height:34px;padding:6px 11px;border:1px solid var(--line);background:#f7f3eab8;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.notebook-card{position:relative;min-height:320px;padding:24px;border:1px solid var(--ink);background:#fbf8ef;box-shadow:var(--shadow);transform:rotate(1.5deg)}.notebook-card:before{content:"";position:absolute;inset:16px auto 16px 20px;width:2px;background:var(--accent-strong);opacity:.62}.notebook-lines{min-height:254px;padding-left:24px;background:repeating-linear-gradient(to bottom,transparent,transparent 29px,rgba(31,111,104,.22) 30px)}.notebook-card p{margin:0;color:var(--muted);font-size:15px;line-height:30px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;padding:26px 0 14px;border-top:1px solid var(--line)}.section-head h2{font-size:25px}.note-list{display:grid;gap:16px;padding:0 0 64px}.note-card{display:grid;grid-template-columns:156px minmax(0,1fr);gap:22px;padding:24px 0;border-top:1px solid var(--line);text-decoration:none}.note-card:hover h2{color:var(--accent)}.note-meta{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.6}.note-card h2{margin-bottom:10px;font-size:clamp(24px,4vw,40px);transition:color .16s ease}.note-card p{max-width:720px;margin:0;color:var(--muted);font-size:18px;line-height:1.7}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag{display:inline-flex;align-items:center;min-height:28px;padding:4px 9px;border:1px solid var(--line);color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;text-decoration:none}.tag:hover{border-color:var(--accent);color:var(--accent)}.note-page{width:min(780px,calc(100% - 32px));margin:0 auto;padding:54px 0 82px}.note-title{font-size:clamp(38px,7vw,72px)}.note-description{margin:22px 0 0;color:var(--muted);font-size:21px;line-height:1.65}.note-body{margin-top:48px;font-size:19px;line-height:1.86}.note-body h2{margin-top:48px;margin-bottom:14px;font-size:31px}.note-body h3{margin-top:36px;margin-bottom:10px;font-size:24px}.note-body p,.note-body ul,.note-body ol{margin:0 0 24px}.note-body li+li{margin-top:8px}.note-body code{padding:2px 5px;background:#1f6f681a;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}.note-body pre{overflow-x:auto;padding:18px;background:var(--code-bg);color:#f7f3ea}.note-body pre code{padding:0;background:transparent;color:inherit}.empty-state{padding:48px 0 80px;color:var(--muted);font-size:18px}.site-footer{display:flex;flex-wrap:wrap;gap:8px;padding:28px 0 42px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.footer-divider{color:var(--line)}@media(max-width:820px){.site-header,.section-head{align-items:flex-start;flex-direction:column}.intro{grid-template-columns:1fr;padding-top:38px}.notebook-card{min-height:220px;transform:none}.notebook-lines{min-height:156px}.note-card{grid-template-columns:1fr;gap:10px}}@media(max-width:520px){.site-shell,.note-page{width:min(100% - 22px,1120px)}.site-nav{flex-wrap:wrap;gap:12px}h1{font-size:42px}.intro-copy,.note-description{font-size:18px}.note-body{font-size:17px}}