:root{--bg-canvas:#f7f5f0;--bg-surface:rgba(255,250,245,.74);--bg-surface-solid:#fffaf5;--bg-surface-hover:rgba(255,244,238,.94);--text-primary:#111111;--text-muted:#4b4541;--accent-primary:#d62828;--accent-secondary:#9e1c1c;--accent-fill:rgba(214,40,40,.07);--accent-fill-strong:rgba(214,40,40,.14);--border-subtle:rgba(17,17,17,.14);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(70,20,20,.18);--glow-accent:0 0 24px -6px rgba(214,40,40,.5);--glass-backdrop:blur(16px) saturate(160%);--r:4px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:1.0625rem;line-height:1.75;overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .6em;overflow-wrap:anywhere;hyphens:auto}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}h3{font-size:1.2rem}
p{margin:0 0 1em}ul,ol{padding-left:1.3rem}
a{color:var(--accent-secondary);text-underline-offset:3px}
img{max-width:100%;height:auto;display:block;border-radius:var(--r)}
:focus-visible{outline:3px solid var(--accent-primary);outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 1.25rem}
.prose{max-width:70ch;margin:0 auto}
.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:20}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.site-header{position:relative;background:var(--bg-surface-solid);border-bottom:2px solid var(--text-primary)}
.head-top{display:flex;align-items:center;justify-content:space-between;padding-top:1rem;padding-bottom:.4rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--text-primary);text-decoration:none;font-weight:700;font-size:1.25rem}
.brand svg{width:38px;height:38px;flex:none}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--border-subtle);border-radius:var(--r);background:var(--accent-fill);color:var(--text-primary);font-size:1.6rem;line-height:1;cursor:pointer}
.main-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:.2rem 1.4rem;list-style:none;margin:0 auto;padding:.3rem 1.25rem .9rem;max-width:1200px}
.main-nav a{color:var(--text-primary);text-decoration:none;padding:.25rem 0;background:linear-gradient(var(--accent-primary),var(--accent-primary)) left bottom/0 2px no-repeat;transition:background-size .4s var(--ease-kinetic)}
.main-nav a:hover,.main-nav a[aria-current=page]{background-size:100% 2px}
.main-nav a[aria-current=page]{font-weight:700}
.hero{position:relative;isolation:isolate;padding:clamp(3.5rem,9vw,7rem) 0 clamp(3rem,7vw,5.5rem);background:repeating-linear-gradient(to bottom,transparent 0 31px,rgba(17,17,17,.05) 31px 32px),var(--bg-canvas);border-bottom:1px solid var(--border-subtle)}
.hero::before{content:"";position:absolute;z-index:-1;width:min(70vw,720px);aspect-ratio:1;right:-8%;top:-30%;background:radial-gradient(circle,rgba(214,40,40,.22),rgba(214,40,40,0) 65%);animation:drift 14s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;z-index:-1;top:0;bottom:0;left:clamp(.5rem,4vw,4rem);width:2px;background:rgba(214,40,40,.35)}
@keyframes drift{to{transform:translate(-8%,12%) scale(1.1)}}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--accent-secondary);margin-bottom:.8rem}
.hero h1{font-size:clamp(2.6rem,7.5vw,6rem);line-height:1.02;max-width:14ch;letter-spacing:-.02em}
.page-hero h1{font-size:clamp(2.2rem,5.5vw,4.2rem);max-width:18ch}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);max-width:62ch;color:var(--text-muted)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.6rem;margin-top:1.4rem}
.btn{display:inline-block;background:var(--accent-primary);color:#fff;border:0;border-radius:var(--r);padding:.8rem 1.4rem;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .35s var(--ease-kinetic),box-shadow .35s var(--ease-kinetic),background .2s}
.btn:hover{background:#b81f1f;transform:translateY(-3px);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.link-btn{background:none;border:0;padding:0 0 2px;font:inherit;color:var(--accent-secondary);font-weight:700;cursor:pointer;text-decoration:none;background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:0 100%;background-size:100% 1px;transition:background-size .3s var(--ease-kinetic)}
.link-btn:hover{background-size:100% 3px}
.section{position:relative;isolation:isolate;padding:clamp(3rem,7vw,5.5rem) 0}
.section-head{display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;align-items:baseline;margin-bottom:1.8rem;max-width:72ch}
.section-head h2{margin:0}
.num{font-weight:700;color:var(--accent-primary);font-size:.95rem;border:1px solid var(--accent-primary);border-radius:var(--r);padding:.05rem .45rem}
.section-head p{grid-column:2;color:var(--text-muted);margin:.4rem 0 0}
.field::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 55% 60% at 20% 30%,rgba(214,40,40,.17),transparent 70%),radial-gradient(ellipse 45% 55% at 85% 75%,rgba(214,40,40,.13),transparent 70%)}
.tint{background:var(--accent-fill)}
.panel{background:var(--bg-surface);-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-subtle);border-radius:var(--r);padding:clamp(1.1rem,2.5vw,1.8rem);box-shadow:0 6px 20px -10px rgba(70,20,20,.2)}
.panel>:last-child{margin-bottom:0}
.card{transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic),background .3s}
.card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.split{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:1.5rem;align-items:start}
.stack>*+*{margin-top:1.25rem}
.stats{display:flex;flex-wrap:wrap;list-style:none;margin:0 0 1.5rem;padding:0;border:1px solid var(--text-primary);border-radius:var(--r);background:var(--bg-surface-solid)}
.stats li{flex:1 1 130px;padding:.8rem 1rem;border-right:1px dashed var(--border-subtle)}
.stats li:last-child{border-right:0}
.stats b{display:block;font-size:1.9rem;line-height:1.1;color:var(--accent-primary)}
.stats span{font-size:.85rem;color:var(--text-muted)}
label{display:block;font-weight:700;margin:1.1rem 0 .35rem}
.hint{display:block;font-size:.88rem;color:var(--text-muted);font-weight:400}
input,textarea,select{width:100%;font:inherit;color:var(--text-primary);background:#fff;border:1px solid #8b827c;border-radius:var(--r);padding:.65rem .8rem}
input[type=file]{padding:.45rem;background:var(--bg-surface-solid)}
textarea{min-height:130px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:3px solid rgba(214,40,40,.35);border-color:var(--accent-primary)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 1rem}
.msg{min-height:1.5em;margin-top:.8rem;font-weight:700;color:var(--accent-secondary)}
.entries{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.entry h3{margin-bottom:.2rem}
.meta{font-size:.87rem;color:var(--text-muted)}
.tag{display:inline-block;font-size:.8rem;line-height:1.4;padding:.1rem .5rem;margin:0 .3rem .3rem 0;border:1px solid rgba(214,40,40,.5);border-radius:var(--r);background:var(--accent-fill);color:var(--accent-secondary)}
code{font-family:Consolas,"Courier New",monospace;background:var(--accent-fill-strong);padding:.05rem .35rem;border-radius:var(--r)}
.entry-actions{display:flex;gap:1.2rem;margin:0}
.empty{color:var(--text-muted);font-style:italic}
.tablist{display:flex;flex-wrap:wrap;gap:.25rem;border-bottom:2px solid var(--text-primary);margin-bottom:1.2rem}
.tablist [role=tab]{font:inherit;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;padding:.6rem 1rem;cursor:pointer;color:var(--text-muted)}
.tablist [aria-selected=true]{border-bottom-color:var(--accent-primary);color:var(--text-primary);font-weight:700}
.cue{font-size:1.25rem;border-left:3px solid var(--accent-primary);padding-left:1rem}
.rate{display:flex;flex-wrap:wrap;gap:.8rem 1.4rem;align-items:center;margin-top:1rem}
.strip{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));gap:4px;list-style:none;margin:0;padding:0;height:180px;align-items:end}
.strip li{display:flex;flex-direction:column;justify-content:flex-end;height:100%;text-align:center}
.strip .bar{display:block;background:linear-gradient(to top,var(--accent-primary),rgba(214,40,40,.4));border-radius:var(--r) var(--r) 0 0;min-height:4px;max-height:85%}
.strip .day{font-size:.7rem;color:var(--text-muted);margin-top:.3rem}
.log{list-style:none;padding:0;margin:0}.log li{padding:.45rem 0;border-bottom:1px dashed var(--border-subtle)}
details{border-top:1px solid var(--border-subtle);padding:.9rem 0}
details:last-of-type{border-bottom:1px solid var(--border-subtle)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent-primary);font-size:1.4rem;line-height:1;transition:transform .3s var(--ease-kinetic)}
details[open] summary::after{transform:rotate(45deg)}
details>*:not(summary){margin-top:.7rem}
figure{margin:1.8rem 0}
.fig-wide img{width:100%;aspect-ratio:16/9;object-fit:cover}
.fig-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}
.illus img{background:var(--bg-surface-solid);border:1px solid var(--border-subtle)}
figcaption{font-size:.88rem;color:var(--text-muted);margin-top:.45rem}
.article{padding:clamp(2.5rem,6vw,4.5rem) 0}
.article h2{margin-top:2.2rem}
.practice{margin-top:2.5rem}
.cta-panel{margin-top:2.5rem;border-left:4px solid var(--accent-primary)}
pre.preview{white-space:pre-wrap;font-family:Consolas,"Courier New",monospace;font-size:.9rem;background:var(--bg-surface-solid);border:1px dashed var(--border-subtle);border-radius:var(--r);padding:1rem;min-height:4rem}
.site-footer{background:#111;color:#f7f5f0;padding:3rem 0 1.5rem}
.site-footer a{color:#ffb4a8}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}
.foot-brand{font-size:1.2rem;font-weight:700}
.foot-h{font-size:.95rem;text-transform:uppercase;letter-spacing:.1em;color:#ff9b8c}
.site-footer ul{list-style:none;padding:0;margin:0}
.copy{border-top:1px solid rgba(255,255,255,.2);padding-top:1rem;margin-top:2rem;font-size:.9rem}
.js .reveal{opacity:0;transform:translateY(24px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}}
@media (min-width:1025px){.hero .lead{font-size:1.3rem}}
@media (max-width:1024px){.split{grid-template-columns:1fr}}
@media (min-width:481px) and (max-width:768px){.stats li{flex-basis:30%}}
@media (max-width:768px){.menu-btn{display:inline-flex;align-items:center;justify-content:center}.main-nav{display:none;border-top:1px solid var(--border-subtle);background:var(--bg-surface-solid)}.main-nav.open{display:block;animation:drop .35s var(--ease-kinetic)}.main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:.4rem 1.25rem 1rem}.main-nav li a{display:block;padding:.7rem 0;border-bottom:1px dashed var(--border-subtle)}}
@media (max-width:480px){body{font-size:1rem}.stats li{flex-basis:45%}.strip li:nth-child(even) .day{visibility:hidden}.section-head{grid-template-columns:1fr}.section-head p{grid-column:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}}