@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Franklin:wght@600;700;800&display=swap');
:root{--ink:#0a2d38;--deep:#06232c;--teal:#145d64;--aqua:#83d5c7;--amber:#efb64b;--paper:#f5f4ed;--white:#fff;--muted:#597077;--line:#ccd5d2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-header{height:84px;padding:0 clamp(22px,5vw,76px);display:flex;align-items:center;justify-content:space-between;background:rgba(245,244,237,.96);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(10,45,56,.12)}.brand{display:flex;align-items:center;gap:12px}.brand strong{font-family:'Libre Franklin';font-size:19px;display:block;line-height:1}.brand small{font-size:10px;letter-spacing:.22em;font-weight:700}.brand-mark{width:38px;height:38px;border-radius:50%;background:var(--ink);display:flex;flex-direction:column;justify-content:center;padding:9px 7px;gap:3px}.brand-mark i{display:block;height:2px;background:var(--aqua);border-radius:2px}.brand-mark i:nth-child(2){width:70%;align-self:flex-end}.site-header nav{display:flex;gap:32px;font-weight:600;font-size:14px}.site-header nav a:hover{color:var(--teal)}.nav-toggle{display:none;border:0;background:none;color:var(--ink);font-weight:700}.hero{height:min(720px,calc(100vh - 84px));min-height:590px;position:relative;display:flex;align-items:center;overflow:hidden}.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;inset:0}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,27,34,.88) 0%,rgba(3,27,34,.68) 38%,rgba(3,27,34,.07) 73%)}.hero-content{position:relative;color:white;padding-left:clamp(24px,8vw,130px);max-width:750px}.eyebrow{text-transform:uppercase;font-weight:700;font-size:12px;letter-spacing:.18em;color:var(--aqua);margin:0 0 18px}.eyebrow.dark{color:var(--teal)}.eyebrow.light{color:var(--aqua)}h1,h2,h3{font-family:'Libre Franklin',sans-serif;line-height:1.08;margin-top:0}h1{font-size:clamp(46px,6.2vw,90px);letter-spacing:-.055em;margin-bottom:24px}.hero-content>p:not(.eyebrow){font-size:20px;max-width:540px;color:#e3eded}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:36px}.button{padding:15px 22px;border-radius:3px;font-weight:700}.button.primary{background:var(--amber);color:var(--deep)}.text-link{font-weight:700;color:white}.text-link span,.problem-card a span,.article-body a span,.article-list a span{color:var(--amber);margin-left:5px}.hero-note{position:absolute;right:clamp(20px,5vw,72px);bottom:34px;background:rgba(245,244,237,.94);padding:16px 20px;border-left:4px solid var(--amber);min-width:260px}.hero-note b,.hero-note span{display:block}.hero-note b{text-transform:uppercase;font-size:11px;letter-spacing:.15em}.hero-note span{font-size:14px}.quick-find,.field-notes{padding:100px clamp(22px,7vw,110px)}.section-heading{max-width:670px;margin-bottom:44px}.section-heading h2,.calc-copy h2{font-size:clamp(34px,4.2vw,60px);letter-spacing:-.04em;margin-bottom:16px}.section-heading>p:last-child{color:var(--muted);font-size:18px}.problem-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.problem-card{min-height:290px;padding:38px;display:grid;grid-template-columns:54px 1fr;gap:14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.28);transition:.2s}.problem-card:hover{background:white;transform:translateY(-2px);box-shadow:0 15px 35px rgba(6,35,44,.08)}.problem-card.featured{background:var(--ink);color:white}.card-number{font-family:'Libre Franklin';font-size:13px;color:var(--teal)}.featured .card-number{color:var(--aqua)}.tag,.meta{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:700;color:var(--teal);margin:0 0 12px}.featured .tag{color:var(--aqua)}.problem-card h3{font-size:25px;margin-bottom:14px}.problem-card p:not(.tag){color:var(--muted)}.problem-card.featured p:not(.tag){color:#c8d5d7}.problem-card a,.article-body a,.article-list a{font-weight:700;font-size:14px}.season-section{background:var(--deep);color:white;padding:100px clamp(22px,7vw,110px)}.section-heading.compact{margin-bottom:38px}.season-tabs{display:flex;border-bottom:1px solid rgba(255,255,255,.2)}.season-tabs button{flex:1;color:#aac0c5;background:none;border:0;border-bottom:3px solid transparent;padding:18px;cursor:pointer;font-weight:700}.season-tabs button[aria-selected=true]{color:white;border-color:var(--amber)}.season-content{display:grid;grid-template-columns:1fr 1.3fr;gap:8vw;padding-top:54px}.season-index{color:var(--amber);font-size:12px;font-weight:700;letter-spacing:.18em}.season-content h3{font-size:36px;margin:16px 0}.season-content p{color:#bbcbce}.season-content ol{list-style:none;margin:0;padding:0}.season-content li{display:grid;border-top:1px solid rgba(255,255,255,.18);padding:20px 0}.season-content li b{font-size:17px}.season-content li span{font-size:14px;color:#aebfc3}.calculator{padding:100px clamp(22px,8vw,130px);display:grid;grid-template-columns:1fr 1fr;gap:10vw;background:white}.calc-copy>p:not(.eyebrow){color:var(--muted);font-size:18px}.formula{padding:16px;border-left:3px solid var(--amber);font-weight:600!important;font-size:14px!important}.calc-card{background:var(--paper);padding:34px}.field{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;margin-bottom:16px}.field label{font-weight:700}.field>div{display:flex;border-bottom:1px solid var(--ink);align-items:center}.field input{width:100%;border:0;background:transparent;font-family:'Libre Franklin';font-size:27px;padding:9px 0;color:var(--ink);outline:none}.field span{font-weight:700;color:var(--muted)}.calc-result{margin-top:30px;background:var(--ink);color:white;padding:24px;text-align:center}.calc-result span,.calc-result small{display:block;text-transform:uppercase;letter-spacing:.14em;font-size:10px}.calc-result strong{font-family:'Libre Franklin';font-size:42px;color:var(--aqua);line-height:1.25}.fine-print{font-size:12px;color:var(--muted);line-height:1.4}.section-heading.row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between}.dark-link{color:var(--ink);padding-bottom:10px}.articles{display:grid;grid-template-columns:1.15fr 1fr;gap:45px}.article-main{background:white}.article-art{height:280px;display:flex;align-items:flex-end;padding:25px;background:linear-gradient(145deg,#0a3d49,#1f7a78);position:relative;overflow:hidden}.article-art:before,.article-art:after{content:'';position:absolute;width:130%;height:70px;border-radius:50%;border-top:2px solid rgba(131,213,199,.6);left:-15%}.article-art:before{bottom:70px}.article-art:after{bottom:20px}.article-art span{position:relative;color:var(--aqua);font-size:12px;font-weight:700;letter-spacing:.2em}.article-body{padding:30px}.article-body h3{font-size:29px}.article-body>p:not(.meta){color:var(--muted)}.article-list article{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:26px 0;border-top:1px solid var(--line)}.article-icon{width:58px;height:58px;background:#dcebe6;border-radius:50%;display:grid;place-items:center;font-size:28px;color:var(--teal)}.article-list h3{font-size:20px;margin-bottom:12px}.promise{background:var(--teal);color:white;text-align:center;padding:90px 20px}.promise blockquote{max-width:960px;margin:20px auto;font-family:'Libre Franklin';font-size:clamp(30px,4.2vw,58px);line-height:1.2;letter-spacing:-.03em}.promise>p:last-child{color:#c6e1df}footer{padding:36px clamp(22px,7vw,110px);display:flex;align-items:center;gap:30px;color:var(--muted);font-size:13px}footer p:last-child{margin-left:auto}.footer-brand{color:var(--ink)}
@media(max-width:800px){.site-header{height:70px}.nav-toggle{display:block}.site-header nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:22px;flex-direction:column;border-bottom:1px solid var(--line)}.site-header nav.open{display:flex}.hero{min-height:620px}.hero-content{padding:0 24px}.hero-note{left:24px;right:24px}.problem-grid,.season-content,.calculator,.articles{grid-template-columns:1fr}.problem-card{min-height:0;padding:28px 20px}.quick-find,.field-notes,.season-section,.calculator{padding-top:72px;padding-bottom:72px}.season-tabs{overflow:auto}.season-tabs button{min-width:100px}.calc-card{padding:24px 18px}.section-heading.row{display:block}.dark-link{display:inline-block;margin-top:10px}.articles{gap:25px}footer{align-items:flex-start;flex-direction:column}footer p{margin:0}footer p:last-child{margin-left:0}}
.library-hero{padding:90px clamp(24px,8vw,130px) 70px;background:var(--deep);color:white}.library-hero h1{max-width:920px}.library-hero>p{max-width:720px;color:#c5d5d7;font-size:19px}.guide-library,.article-page{padding:80px clamp(24px,8vw,130px)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-card{background:white;border-top:4px solid var(--teal);padding:28px;min-height:280px;display:flex;flex-direction:column}.guide-card.seasonal{border-color:var(--amber)}.guide-card .meta{margin-bottom:18px}.guide-card h2{font-size:27px;letter-spacing:-.025em}.guide-card p{color:var(--muted)}.guide-card a{font-weight:700;margin-top:auto}.article-page{max-width:1160px;margin:auto}.article-header{max-width:900px;margin-bottom:55px}.article-header h1{font-size:clamp(43px,6vw,78px)}.article-deck{font-size:21px;color:var(--muted)}.article-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.12em}.article-layout{display:grid;grid-template-columns:minmax(0,720px) 260px;gap:70px;align-items:start}.article-content h2{font-size:34px;margin-top:54px}.article-content h3{font-size:23px;margin-top:34px}.article-content p,.article-content li{color:#314e56}.article-content li{margin-bottom:10px}.decision-box,.field-check,.source-box{padding:24px;margin:30px 0}.decision-box{background:#dceee9;border-left:4px solid var(--teal)}.field-check{background:#f2e5d6;border-left:4px solid var(--amber)}.source-box{background:white;border:1px solid var(--line);font-size:14px}.source-box a{text-decoration:underline}.article-aside{position:sticky;top:110px;background:var(--deep);color:white;padding:24px}.article-aside h2{font-size:19px}.article-aside a{display:block;padding:10px 0;border-top:1px solid rgba(255,255,255,.16);color:#cce0df;font-size:14px}.comparison-table{width:100%;border-collapse:collapse;margin:28px 0}.comparison-table th,.comparison-table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:top}.comparison-table th{background:var(--ink);color:white}.next-guide{margin-top:60px;background:var(--teal);color:white;padding:30px}.next-guide p{color:#d7e7e6}.next-guide a{font-weight:700;color:var(--amber)}
@media(max-width:900px){.guide-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-aside{position:static}}@media(max-width:600px){.guide-grid{grid-template-columns:1fr}.library-hero,.guide-library,.article-page{padding-left:22px;padding-right:22px}.comparison-table{display:block;overflow-x:auto}}