:root{--bg-canvas:#191817;--bg-surface:#292621;--bg-surface-hover:#343027;--text-primary:#f4f1ea;--text-muted:#c7bfb0;--accent-primary:#d4a84b;--accent-secondary:#e8ca86;--border-subtle:#534a3b;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);--glow-accent:0 0 24px -4px #d4a84b33;--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:1rem}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:17px/1.8 "Trebuchet MS","Segoe UI",sans-serif;overflow-wrap:anywhere;hyphens:auto}button,input,textarea,select{font:inherit}a{color:var(--accent-secondary);text-underline-offset:.22em}a:hover{color:var(--text-primary)}button,a,input,textarea,summary{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent-secondary);outline-offset:5px}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(2.65rem,6.6vw,5.6rem);max-width:16ch;margin:.3em 0}h2{font-size:clamp(1.8rem,3.1vw,2.7rem);margin:0 0 .7em}h3{font-size:1.45rem;margin:.4em 0 .65em}p{margin:0 0 1.2em}img{display:block;width:100%;height:auto;object-fit:cover}figure{margin:0}figcaption,.caption{font-size:.85rem;color:var(--text-muted);margin-top:.7rem}small{font-size:.82rem}.container{width:min(1200px,calc(100% - 64px));margin-inline:auto}.tagline{border-bottom:1px solid var(--border-subtle);padding:.4rem 0;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}.site-header{position:relative;border-bottom:1px solid var(--border-subtle)}.header-row{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:92px}.brand{display:flex;align-items:center;gap:.65rem;flex-shrink:0;color:var(--text-primary);text-decoration:none;font-size:1.05rem;font-weight:bold;letter-spacing:-.035em}.brand-mark{color:var(--accent-primary);font-size:2rem;line-height:1}.site-nav{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:flex-end}.site-nav a{font-size:.76rem;color:var(--text-muted);text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent-secondary)}.menu-toggle{display:none;border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-primary);font-size:2rem;line-height:1;width:46px;height:46px;cursor:pointer}.skip-link{position:absolute;left:1rem;top:-100px;z-index:10;background:var(--accent-primary);color:var(--bg-canvas);padding:.5rem 1rem}.skip-link:focus{top:1rem}.hero{position:relative;padding:6rem 0 5rem;background:radial-gradient(ellipse at 90% 15%,#d4a84b13,transparent 55%);background-size:200% 200%;animation:gradientShift 12s ease infinite}.eyebrow{color:var(--accent-secondary);font-size:.78rem;font-weight:bold;letter-spacing:.15em;text-transform:uppercase;margin-bottom:1rem}.hero .intro{max-width:62ch;font-size:1.2rem;color:var(--text-muted)}.hero-note{border-left:2px solid var(--accent-primary);padding-left:1rem;color:var(--text-muted);max-width:65ch;font-size:.9rem;margin-top:2rem}.button,button.action{display:inline-block;background:var(--accent-primary);color:#191817;border:1px solid var(--accent-primary);padding:.8rem 1.25rem;box-shadow:4px 4px 0 #75561c;text-decoration:none;font-weight:bold;cursor:pointer;transition:transform .25s var(--ease-kinetic),box-shadow .25s var(--ease-kinetic),background .25s}.button:hover,button.action:hover{transform:translate(3px,3px);box-shadow:1px 1px 0 #75561c;color:#191817;background:var(--accent-secondary)}.button.secondary{background:transparent;color:var(--accent-secondary);box-shadow:none}.section{padding:4.5rem 0;border-top:1px solid var(--border-subtle)}.section-heading{max-width:72ch;margin-bottom:2rem}.section-heading p{color:var(--text-muted)}.lead-lesson{padding:clamp(1.5rem,4vw,3.5rem);border:1px solid var(--border-subtle);background:linear-gradient(115deg,#302b21,#25231f)}.lead-lesson p{max-width:72ch}.step-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--border-subtle);border:1px solid var(--border-subtle);margin:2rem 0}.step{padding:1.5rem;background:var(--bg-canvas)}.step strong{display:block;color:var(--accent-secondary);font-size:1.1rem;margin-bottom:.5rem}.step p{font-size:.95rem;margin-bottom:0}.lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}.lesson-card{min-width:0;background:var(--bg-surface);border:1px solid var(--border-subtle);transition:transform .4s var(--ease-kinetic),box-shadow .4s var(--ease-kinetic),background .4s}.lesson-card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}.lesson-image{position:relative}.lesson-image img{aspect-ratio:4/3;filter:grayscale(1) sepia(.3) brightness(.72) contrast(1.18)}.badge{position:absolute;bottom:-.85rem;left:1.5rem;padding:.25rem .65rem;background:var(--accent-primary);color:#191817;font-size:.72rem;text-transform:uppercase;font-weight:bold;letter-spacing:.08em}.card-copy{padding:2.2rem 1.5rem 1.5rem}.card-copy p{color:var(--text-muted)}.glow-section{background:radial-gradient(ellipse at 10% 45%,#d4a84b16,transparent 65%)}.comparison{width:100%;border-collapse:collapse;font-size:.95rem}.comparison caption{text-align:left;color:var(--text-muted);padding-bottom:1rem}.comparison th,.comparison td{text-align:left;padding:1rem;border-bottom:1px solid var(--border-subtle);vertical-align:top}.comparison th{color:var(--accent-secondary)}.table-scroll{overflow-x:auto}.forecast-panel{border:1px solid var(--border-subtle);background:var(--bg-surface);padding:2rem}.forecast-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin:1.5rem 0}.forecast-value{border-left:2px solid var(--accent-primary);padding-left:1rem}.forecast-value span{display:block;font-size:.8rem;color:var(--text-muted)}.forecast-value strong{font-size:1.6rem}.safety-callout{padding:1.7rem 2rem;border-left:5px solid var(--accent-primary);background:#342d20;margin:2rem 0}.safety-callout p:last-child{margin:0}.reading{max-width:72ch;margin:0 auto}.reading h2{font-size:2rem;margin-top:2.2em}.reading h3{margin-top:1.8em}.reading li{margin-bottom:.65rem}.article-layout{padding:1rem 0 5rem}.article-figure{max-width:900px;margin:0 auto 3rem}.article-figure img{aspect-ratio:16/9;filter:grayscale(1) sepia(.25) brightness(.75) contrast(1.15)}.article-meta{font-size:.85rem;color:var(--text-muted)}.related{padding:2rem;border:1px solid var(--border-subtle);margin-top:3rem}.related h2{margin-top:0}.related a{display:inline-block;margin:.2rem 1rem .2rem 0}details{border-top:1px solid var(--border-subtle);padding:1.2rem 0}details:last-child{border-bottom:1px solid var(--border-subtle)}summary{font-weight:bold;cursor:pointer;color:var(--accent-secondary);padding-right:1rem}details p{margin:1rem 0 0}.site-footer{border-top:1px solid var(--border-subtle);padding:3rem 0;color:var(--text-muted);font-size:.85rem}.footer-grid{display:flex;gap:2rem;justify-content:space-between;flex-wrap:wrap}.footer-links{display:flex;gap:1.2rem;flex-wrap:wrap}.footer-note{max-width:72ch;margin-top:1rem}.form-panel{background:var(--bg-surface);border:1px solid var(--border-subtle);padding:2rem}.form-field{margin-bottom:1.3rem}label{display:block;font-weight:bold;margin-bottom:.35rem}input,textarea{width:100%;min-width:0;padding:.8rem;background:var(--bg-canvas);border:1px solid #83745a;color:var(--text-primary);border-radius:0}textarea{resize:vertical;min-height:170px}.help{font-size:.85rem;color:var(--text-muted)}.form-actions{display:flex;gap:1rem;flex-wrap:wrap;margin:1.3rem 0}.message-preview{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg-canvas);padding:1rem;border:1px solid var(--border-subtle);font:inherit;font-size:.9rem;max-height:420px;overflow:auto}.status{min-height:1.8em;color:var(--accent-secondary)}[hidden]{display:none!important}.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.js .reveal-visible{opacity:1;transform:translateY(0)}@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@media(min-width:1025px){.hero{min-height:560px}.lead-lesson{margin-bottom:1rem}}
@media(min-width:769px) and (max-width:1024px){.header-row{align-items:flex-start;padding:1.5rem 0}.site-nav{gap:.6rem 1rem;max-width:530px}.hero{padding:4rem 0}.lesson-grid{gap:1.5rem}}
@media(max-width:768px){.container{width:calc(100% - 40px)}.header-row{min-height:80px}.menu-toggle{display:block}.site-nav{display:flex;justify-content:flex-start;padding-bottom:1.2rem;gap:0}.site-nav a{width:50%;padding:.65rem .5rem;font-size:.9rem}.js .site-nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:9;background:#292621f5;backdrop-filter:var(--glass-backdrop);padding:1rem 20px;border-bottom:1px solid var(--accent-primary);box-shadow:var(--shadow-elevation);animation:menuOpen .25s var(--ease-kinetic)}.js .site-nav.is-open{display:flex}.hero{padding:3.5rem 0}.section{padding:3rem 0}.lesson-grid{gap:1.2rem}.card-copy{padding:2rem 1rem 1.2rem}.forecast-panel{padding:1.3rem}.article-layout{padding-bottom:3rem}@keyframes menuOpen{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:480px){.container{width:calc(100% - 32px)}.brand{font-size:1rem}.tagline{font-size:.65rem}.lesson-grid{grid-template-columns:1fr}.hero .intro{font-size:1.05rem}.lead-lesson,.form-panel{padding:1.3rem}.forecast-values{grid-template-columns:repeat(2,minmax(0,1fr))}.safety-callout{padding:1.3rem}.comparison td,.comparison th{padding:.7rem;min-width:130px}.step-row{grid-template-columns:1fr}.footer-grid{gap:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}.lesson-card:hover{transform:none}}