:root{--ink:#17352d;--muted:#5b6f68;--paper:#fbfcf8;--card:#fff;--line:#dce7df;--green:#176b4f;--green2:#e8f4ed;--sage:#f1f6f2;--gold:#e4aa43;--gold2:#fff5dd;--blue:#eaf3f7;--max:1180px;--reading:760px;--shadow:0 14px 40px rgba(24,65,51,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.72}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}img,svg{max-width:100%}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{min-height:74px;display:flex;align-items:center;gap:30px}.brand{font-weight:900;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.03em}.brand span{color:var(--green)}.navlinks{display:flex;gap:24px;margin-left:auto;align-items:center}.navlinks a{color:var(--ink);text-decoration:none;font-size:.94rem;font-weight:650}.search-trigger{border:1px solid var(--line);background:white;border-radius:999px;padding:9px 15px}.hero{padding:92px 0 70px;background:radial-gradient(circle at 82% 15%,#d5eddf,transparent 30%),linear-gradient(180deg,#f7fbf7,#fbfcf8)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:850;color:var(--green)}h1{font-size:clamp(2.7rem,6vw,5.35rem);line-height:1.01;letter-spacing:-.058em;margin:.18em 0 .3em;max-width:930px}h2{font-size:clamp(1.75rem,3.5vw,2.8rem);line-height:1.13;letter-spacing:-.035em;margin:0 0 18px}h3{font-size:1.24rem;line-height:1.25;letter-spacing:-.015em}.lede{font-size:1.2rem;color:var(--muted);max-width:720px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-block;border-radius:11px;background:var(--green);color:white;padding:13px 20px;text-decoration:none;font-weight:780}.button.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:.91rem}.trust-row span:before{content:'✓';color:var(--green);font-weight:900;margin-right:7px}.section{padding:72px 0}.section.alt{background:var(--sage);border-block:1px solid var(--line)}.section-head{max-width:720px;margin-bottom:30px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}.card h3{margin:4px 0 10px}.card p{color:var(--muted)}.card .num{font-size:.76rem;font-weight:850;color:var(--green);letter-spacing:.09em}.card-link{display:block;color:inherit;text-decoration:none;transition:transform .18s ease,border-color .18s ease}.card-link:hover{transform:translateY(-3px);border-color:#afd0bf}.path-card{background:var(--ink);color:white;border-radius:24px;padding:30px;box-shadow:var(--shadow)}.path-card p{color:#c6d8d1}.path-list{list-style:none;padding:0;margin:22px 0}.path-list li{border-top:1px solid rgba(255,255,255,.14);padding:10px 0}.path-list b{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:50%;background:rgba(255,255,255,.11);margin-right:9px}.mini-diagram{background:white;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.plate{aspect-ratio:1;border-radius:50%;border:12px solid #f7f8f4;box-shadow:inset 0 0 0 1px var(--line);display:grid;grid-template-columns:1fr 1fr;overflow:hidden;max-width:360px;margin:auto}.plate div{display:grid;place-items:center;text-align:center;font-weight:800;padding:18px}.plate .veg{grid-row:1/3;background:#dceedd}.plate .grain{background:#f1dfb8}.plate .protein{background:#dce8ef}.progress{height:8px;background:#dfeae3;border-radius:9px;overflow:hidden}.progress span{display:block;height:100%;background:var(--green)}
.lesson-layout{display:grid;grid-template-columns:minmax(0,var(--reading)) 280px;gap:64px;padding:58px 0}.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:24px}.article h1{font-size:clamp(2.45rem,5vw,4.55rem)}.article h2{font-size:1.7rem;margin-top:48px}.article h3{margin-top:30px}.article p,.article li{font-size:1.03rem}.article li{margin-bottom:7px}.quick{font-size:1.18rem;background:var(--green2);border-left:5px solid var(--green);padding:23px;border-radius:0 14px 14px 0}.lesson-goals{background:white;border:1px solid var(--line);border-radius:15px;padding:18px 22px;margin:24px 0}.lesson-goals strong{display:block;margin-bottom:7px}.lesson-goals ul{margin:0;padding-left:21px}.callout{background:var(--blue);border:1px solid #d0e1e8;border-radius:16px;padding:22px;margin:26px 0}.example{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin:26px 0;box-shadow:0 8px 25px rgba(24,65,51,.04)}.example .label{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--green);font-weight:850}.takeaways{background:var(--gold2);border:1px solid #ecd49d;border-radius:16px;padding:24px}.comparison{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem}.comparison th,.comparison td{border:1px solid var(--line);padding:13px;text-align:left;vertical-align:top}.comparison th{background:var(--sage)}.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}.lesson-nav a{border:1px solid var(--line);background:white;border-radius:14px;padding:15px;text-decoration:none}.sidebar{position:sticky;top:100px;align-self:start}.sidebox{border:1px solid var(--line);background:white;border-radius:15px;padding:18px;margin-bottom:15px}.sidebox ul{padding-left:20px;margin-bottom:0}.sidebox li{font-size:.92rem}.meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}.source-list li{margin-bottom:11px}.notice{font-size:.9rem!important;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.searchbox{width:100%;font-size:1.05rem;padding:16px 18px;border:1px solid var(--line);border-radius:12px}.search-results{display:grid;gap:12px;margin-top:18px}.result{background:white;border:1px solid var(--line);padding:17px;border-radius:12px}.result a{font-weight:800;font-size:1.08rem}.footer{background:var(--ink);color:#d8e5df;padding:52px 0}.footer a{color:white}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}.small{font-size:.88rem;color:var(--muted)}.knowledge-map{display:grid;gap:10px}.map-row{display:grid;grid-template-columns:90px 1fr;gap:15px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.map-row strong{color:var(--green)}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:25px}.stat{background:white;border:1px solid var(--line);border-radius:14px;padding:18px}.stat b{font-size:1.8rem;display:block;line-height:1}.toc a{color:var(--ink);text-decoration:none}.toc li{margin-bottom:8px}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--green2);font-size:.78rem;font-weight:750;margin:3px}.updated-banner{background:#f3f8f4;border-bottom:1px solid var(--line);font-size:.87rem;text-align:center;padding:8px 15px;color:var(--muted)}
@media(max-width:900px){.hero-grid,.grid.three,.grid.four,.lesson-layout,.footer-grid{grid-template-columns:1fr}.sidebar{position:static}.hero{padding-top:60px}.lesson-layout{gap:22px}.plate{max-width:300px}}@media(max-width:680px){.navlinks a:not(.search-trigger){display:none}.grid,.stat-row,.lesson-nav{grid-template-columns:1fr}.nav{gap:10px}.search-trigger{margin-left:auto}.article h1{font-size:2.55rem}.wrap{width:min(var(--max),calc(100% - 26px))}}