:root{--bg-canvas:#0b0b0d;--bg-alt:#131316;--bg-surface:#19191c;--bg-surface-hover:#202024;--text-primary:#f4f1eb;--text-muted:#bdb9b2;--accent-primary:#dc2626;--accent-strong:#b91c1c;--accent-hover:#c81e1e;--accent-text:#f87171;--accent-secondary:#c0c4cc;--silver:#c0c4cc;--charcoal:#2a2a2e;--border-subtle:rgba(192,196,204,.12);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-soft:0 10px 30px -12px rgba(0,0,0,.65);--shadow-elevation:0 20px 40px -12px rgba(0,0,0,.75);--glow-accent:0 0 24px -10px rgba(220,38,38,.6);--glass-backdrop:blur(16px) saturate(180%);--radius:20px;--serif:Charter,"Bitstream Charter",Cambria,Georgia,serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:1.0625rem/1.72 var(--serif);overflow-wrap:anywhere;hyphens:auto;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.12;margin:0 0 .6em;overflow-wrap:anywhere;hyphens:auto;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,4vw,2.9rem)}h3{font-size:clamp(1.25rem,2.2vw,1.55rem)}
p{margin:0 0 1.1em}
a{color:var(--accent-text);text-underline-offset:3px}
a:hover{color:var(--text-primary)}
img{max-width:100%;display:block}
svg{display:block;width:100%;height:auto}
:focus-visible{outline:3px solid var(--accent-text);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent-strong);color:#fff;padding:.6rem 1rem;border-radius:999px;z-index:99}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.prose{max-width:70ch;margin:0 auto}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2rem}.prose li{margin-bottom:.45em}
.band{padding:clamp(3.5rem,7vw,6rem) 0;background:var(--bg-canvas)}
.band.alt{background:var(--bg-alt)}
.route-label{font-variant:small-caps;text-transform:lowercase;letter-spacing:.14em;color:var(--silver);font-size:1.05rem;margin:0 0 .8rem}
.lede{font-size:clamp(1.15rem,2vw,1.35rem);color:var(--text-muted);max-width:60ch}
.muted{color:var(--text-muted)}
/* header */
.site-header{position:relative;background:var(--bg-canvas);border-bottom:1px solid var(--border-subtle);z-index:30}
.head-row{display:flex;align-items:center;gap:1.5rem;padding-top:1rem;padding-bottom:1rem}
.brand{display:flex;align-items:center;gap:.65rem;margin-right:auto;color:var(--text-primary);text-decoration:none;font-weight:700;font-size:1.22rem;letter-spacing:.01em}
.brand svg{width:34px;height:34px;flex:none}
.main-nav ul{display:flex;flex-wrap:wrap;gap:.35rem 1.15rem;list-style:none;margin:0;padding:0}
.main-nav a{color:var(--text-muted);text-decoration:none;font-size:.97rem;padding:.3rem 0;border-bottom:2px solid transparent;transition:color .3s,border-color .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--text-primary);border-color:var(--accent-primary)}
.menu-btn{display:none;background:var(--bg-surface);color:var(--text-primary);border:0;border-radius:999px;width:2.8rem;height:2.8rem;font-size:1.6rem;line-height:1;cursor:pointer;box-shadow:var(--shadow-soft)}
/* hero */
.hero{padding:clamp(4.5rem,11vw,9.5rem) 0 clamp(3.5rem,8vw,6rem);background:var(--bg-canvas)}
.hero h1{font-size:clamp(3rem,9.5vw,7.8rem);line-height:.94;letter-spacing:-.025em;max-width:13ch;margin:.2em 0 .35em}
.hero h1 em{font-style:normal;color:var(--accent-primary)}
.page-hero{padding:clamp(3.5rem,8vw,6.5rem) 0 clamp(2.5rem,5vw,4rem);background:var(--bg-canvas)}
.page-hero h1{font-size:clamp(2.6rem,7vw,5.6rem);line-height:.98;letter-spacing:-.02em;max-width:16ch}
.actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent-strong);color:#fffaf3;border:0;border-radius:999px;padding:.9rem 1.7rem;font:700 1rem var(--serif);text-decoration:none;cursor:pointer;box-shadow:var(--shadow-soft);transition:transform .45s var(--ease-kinetic),background .3s,box-shadow .45s var(--ease-kinetic)}
.btn:hover{background:var(--accent-hover);color:#fffaf3;transform:translateY(-3px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.btn.quiet{background:var(--charcoal);color:var(--text-primary)}
.btn.quiet:hover{background:#34343a}
/* lead + cards */
.lead-block{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;background:var(--bg-surface);border-radius:var(--radius);padding:clamp(1.4rem,4vw,3.4rem);box-shadow:var(--shadow-soft)}
.illus{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--bg-alt)}
.illus figcaption{font-size:.92rem;color:var(--text-muted);padding:.8rem 1.1rem}
.plate{margin:2rem 0;border-radius:var(--radius);overflow:hidden;background:var(--bg-surface);box-shadow:var(--shadow-soft)}
.plate img{width:100%;aspect-ratio:16/9;object-fit:cover}
.plate figcaption{font-size:.92rem;color:var(--text-muted);padding:.8rem 1.1rem}
.numeral{display:block;font-size:clamp(4.2rem,11vw,8.5rem);line-height:.8;color:var(--accent-primary);font-weight:700;margin-bottom:.15em}
.sec-head{display:flex;align-items:flex-end;gap:1.2rem;margin-bottom:2rem;flex-wrap:wrap}
.sec-head .numeral{font-size:clamp(3.4rem,8vw,6.2rem);margin:0}
.sec-head h2{margin:0;padding-bottom:.3rem}
.notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.grid-fluid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.card{background:var(--bg-surface);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-soft);transition:transform .55s var(--ease-kinetic),box-shadow .55s var(--ease-kinetic),background .3s}
.card:hover{transform:translateY(-5px) scale(1.01);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}
.card h3{margin-bottom:.45em}
.card p:last-child{margin-bottom:0}
.card .more{font-weight:700;text-decoration:none}
.card .more::after{content:" →"}
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
/* exposure rows */
.exp-rows{display:grid;gap:.8rem}
.exp-row{display:grid;grid-template-columns:8.5rem 11rem 1fr;gap:1.2rem;align-items:center;padding:1.1rem 1.4rem}
.exp-speed{font-size:1.6rem;font-weight:700;color:var(--accent-text);font-variant-numeric:tabular-nums}
.exp-look{font-variant:small-caps;text-transform:lowercase;letter-spacing:.1em;color:var(--silver)}
.exp-use{color:var(--text-muted);font-size:.98rem}
/* checklist */
.route-list{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:.8rem}
.route-list li{counter-increment:step;position:relative;background:var(--bg-surface);border-radius:var(--radius);padding:1.15rem 1.3rem 1.15rem 5rem;box-shadow:var(--shadow-soft);transition:transform .5s var(--ease-kinetic)}
.route-list li:hover{transform:translateX(4px)}
.route-list li::before{content:counter(step,decimal-leading-zero);position:absolute;left:1.15rem;top:.65rem;font-size:2.3rem;font-weight:700;color:var(--accent-primary);line-height:1.2}
.route-list strong{display:block}
/* faq */
.faq{background:var(--bg-surface);border-radius:var(--radius);margin-bottom:.8rem;box-shadow:var(--shadow-soft)}
.faq summary{list-style:none;cursor:pointer;padding:1.15rem 1.4rem;font-weight:700;display:flex;justify-content:space-between;gap:1rem;font-size:1.08rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent-text);font-size:1.4rem;line-height:1}
.faq[open] summary::after{content:"−"}
.faq .faq-body{padding:0 1.4rem 1.2rem;color:var(--text-muted)}
/* tables */
table{width:100%;border-collapse:collapse;background:var(--bg-surface);border-radius:var(--radius);overflow:hidden}
th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--border-subtle);vertical-align:top}
th{font-variant:small-caps;text-transform:lowercase;letter-spacing:.08em;color:var(--silver)}
/* forms */
.form-grid{display:grid;gap:1rem}
.form-grid .two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:block;font-weight:700;margin-bottom:.35rem;font-size:.97rem}
input,select,textarea{width:100%;background:var(--bg-canvas);color:var(--text-primary);border:0;border-radius:14px;padding:.85rem 1rem;font:1rem var(--serif);box-shadow:inset 0 0 0 1px var(--border-subtle)}
textarea{min-height:9rem;resize:vertical}
.status{min-height:1.5em;color:var(--silver);font-size:.97rem}
/* footer */
.site-footer{background:var(--bg-alt);padding:3.5rem 0 2rem;border-top:1px solid var(--border-subtle);font-size:.97rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:2rem}
.foot-domain{font-size:1.35rem;font-weight:700;color:var(--text-primary);text-decoration:none}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4rem}
.site-footer a{color:var(--text-muted)}
.site-footer a:hover{color:var(--text-primary)}
.foot-base{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:.9rem}
/* reveal */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.js .reveal{opacity:1;transform:none}html{scroll-behavior:auto}}
@media (min-width:1025px){.main-nav ul{flex-wrap:nowrap}}
@media (min-width:769px) and (max-width:1024px){.main-nav ul{gap:.3rem .85rem}.main-nav a{font-size:.92rem}.exp-row{grid-template-columns:7rem 1fr}.exp-use{grid-column:1/-1}}
@media (max-width:768px){
.menu-btn{display:inline-flex;align-items:center;justify-content:center}
.main-nav{position:absolute;left:0;right:0;top:100%;background:var(--bg-surface);max-height:0;overflow:hidden;transition:max-height .55s var(--ease-kinetic);box-shadow:var(--shadow-elevation);border-radius:0 0 var(--radius) var(--radius)}
.main-nav.open{max-height:36rem}
.main-nav ul{flex-direction:column;padding:1rem 1.5rem 1.4rem;gap:.1rem}
.main-nav a{display:block;padding:.7rem 0;font-size:1.08rem;border-bottom:1px solid var(--border-subtle)}
.lead-block,.split-2,.notes,.foot-grid,.form-grid .two{grid-template-columns:1fr}
.exp-row{grid-template-columns:1fr;gap:.3rem}
}
@media (max-width:480px){.wrap{padding:0 1.1rem}.card{padding:1.35rem}.route-list li{padding-left:4.2rem}.route-list li::before{font-size:1.9rem;left:.95rem}body{font-size:1rem}}