:root{
  --primary:#f54e00;
  --primary-active:#d04200;
  --canvas:#f7f7f4;
  --canvas-soft:#fafaf7;
  --surface-card:#ffffff;
  --surface-strong:#e6e5e0;
  --hairline:#e6e5e0;
  --hairline-soft:#efeee8;
  --hairline-strong:#cfcdc4;
  --ink:#26251e;
  --body:#5a5852;
  --muted:#807d72;
  --muted-soft:#a09c92;
  --on-primary:#ffffff;
  --success:#1f8a65;
  --error:#cf2d56;
  --gold:#c08532;
  --peach:#dfa88f;
  --mint:#9fc9a2;
  --blue:#9fbbe0;
  --lavender:#c0a8dd;
  --r-xs:4px; --r-sm:6px; --r-md:8px; --r-lg:12px; --r-xl:16px; --r-pill:9999px;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--canvas);
  color:var(--body);
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.011em;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3{color:var(--ink);font-weight:400;letter-spacing:-0.02em;line-height:1.2}
h1{font-size:72px;letter-spacing:-0.03em;line-height:1.1}
h2{font-size:36px}
h3{font-size:22px;letter-spacing:-0.005em}
p{margin:0 0 16px}

.site-head{background:var(--canvas);border-bottom:1px solid var(--hairline)}
.head-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.wordmark{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.02em}
.wordmark span{color:var(--primary)}
.site-nav{display:flex;align-items:center;gap:24px}
.nav-link{font-size:14px;font-weight:500;color:var(--body)}
.nav-link.is-active{color:var(--ink)}
.nav-cta{font-size:14px;font-weight:500;color:var(--on-primary);background:var(--primary);padding:10px 18px;border-radius:var(--r-md)}
.nav-cta:hover{background:var(--primary-active);text-decoration:none}
.nav-toggle{display:none;font:inherit;font-size:14px;font-weight:500;background:var(--surface-card);border:1px solid var(--hairline-strong);color:var(--ink);padding:8px 14px;border-radius:var(--r-md);cursor:pointer}

.hero{padding:80px 0 56px;border-bottom:1px solid var(--hairline)}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.badge-pill{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;padding:4px 10px;border-radius:var(--r-pill);margin-bottom:20px}
.hero p.lead{font-size:18px;color:var(--body);max-width:48ch;margin-top:20px}
.hero-actions{display:flex;gap:16px;align-items:center;margin-top:32px;flex-wrap:wrap}
.btn{font-family:var(--sans);font-size:14px;font-weight:500;border-radius:var(--r-md);cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:12px 20px;height:44px}
.btn-primary:hover{background:var(--primary-active);text-decoration:none}
.btn-secondary{background:var(--surface-card);color:var(--ink);border-color:var(--hairline-strong);padding:12px 20px;height:44px}
.btn-secondary:hover{text-decoration:none;border-color:var(--ink)}
.hero-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--hairline)}
.hero-figure img{width:100%;height:380px;object-fit:cover}
figure figcaption{font-size:13px;color:var(--muted);padding:8px 4px 0}

.section{padding:80px 0}
.section-soft{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.section-label{font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.section-head{max-width:60ch;margin-bottom:40px}
.section-head p{margin-top:16px;font-size:18px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.card-pad{padding:24px}
.card h3{margin-bottom:12px}
.card p{font-size:15px;margin-bottom:0}
.card-media{height:200px}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:500;color:var(--primary)}

.bird-card .bird-meta{font-size:13px;color:var(--muted);margin-top:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.tag{font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;padding:4px 10px;border-radius:var(--r-pill);color:var(--ink)}
.tag-thinking{background:var(--peach)}
.tag-grep{background:var(--mint)}
.tag-read{background:var(--blue)}
.tag-edit{background:var(--lavender)}
.tag-done{background:var(--gold);color:var(--on-primary)}

.article-wrap{max-width:760px;margin:0 auto;padding:64px 24px}
.article-head{border-bottom:1px solid var(--hairline);padding-bottom:24px;margin-bottom:32px}
.article-head h1{font-size:48px;letter-spacing:-0.025em}
.article-meta{font-size:13px;color:var(--muted);margin-top:16px}
.article-body p{font-size:17px;color:var(--body);margin-bottom:20px}
.article-body h2{font-size:30px;margin:40px 0 16px}
.article-body h3{font-size:20px;margin:28px 0 12px}
.article-body ul,.article-body ol{margin:0 0 20px 22px}
.article-body li{font-size:17px;margin-bottom:8px}
.article-figure{margin:28px 0;border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.article-figure img{width:100%;height:360px;object-fit:cover}
.callout{background:var(--canvas-soft);border:1px solid var(--hairline);border-left:3px solid var(--gold);border-radius:var(--r-lg);padding:20px;margin:28px 0}
.callout p{margin-bottom:0;font-size:16px}
.code-block{font-family:var(--mono);font-size:13px;background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:20px;margin:24px 0;color:var(--ink);overflow-x:auto;white-space:pre}
.data-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.data-table th,.data-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--hairline)}
.data-table th{font-weight:600;color:var(--ink);background:var(--canvas-soft)}
.read-next{display:flex;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:32px;border-top:1px solid var(--hairline)}
.read-next a{font-size:14px;font-weight:500;color:var(--primary)}

.form-wrap{max-width:560px}
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-field input{width:100%;height:44px;padding:12px 16px;font-family:var(--sans);font-size:16px;color:var(--ink);background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md)}
.form-field input:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}
.form-status{margin-top:16px;font-size:15px;font-weight:500}
.form-status.ok{color:var(--success)}
.btn[disabled]{opacity:.6;cursor:not-allowed}

.legal h2{font-size:26px;margin:36px 0 12px}
.legal p,.legal li{font-size:16px;color:var(--body)}
.legal ul{margin:0 0 20px 22px}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-note{font-size:14px;color:var(--muted);margin-top:16px;max-width:34ch}
.footer-title{font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:10px}
.footer-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline)}
.footer-base p{font-size:13px;color:var(--muted);margin-bottom:6px}
.disclaimer{max-width:80ch}

.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--surface-card);border-top:1px solid var(--hairline-strong);z-index:50}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 24px}
.cookie-inner p{font-size:14px;color:var(--body);margin:0}
.cookie-actions{display:flex;gap:12px;flex-shrink:0}
.cookie-banner .btn{padding:8px 16px;height:auto}

@media(max-width:1024px){
  h1{font-size:56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{height:300px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-toggle{display:inline-block}
  .site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--hairline);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px}
  .site-nav.open{display:flex}
  .site-head{position:relative}
  .site-nav .nav-link,.site-nav .nav-cta{padding:12px 0;width:100%}
  .nav-cta{background:none;color:var(--primary)}
}
@media(max-width:640px){
  h1{font-size:32px}
  h2{font-size:28px}
  .article-head h1{font-size:32px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cookie-inner{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
}