:root{--color-bg: #0f1419;--color-surface: #171e26;--color-elevated: #1c252f;--color-text: #e8edf2;--color-text-muted: #9aa7b2;--color-accent: #3db8e8;--color-accent-mid: #2a7ea3;--color-border: #2a3540;--color-focus: #ffd166;--color-link: var(--color-accent);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--max-prose: 40rem;--max-width: 68rem;--radius-sm: 6px;--radius-md: 10px;--header-height: 4rem}*,*:before,*:after{box-sizing:border-box}html{color-scheme:dark;scroll-behavior:smooth}body{margin:0;min-height:100dvh;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;vertical-align:middle}a{color:var(--color-link);text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{color:var(--color-text)}a:focus-visible,button:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.skiplink{position:absolute;left:var(--space-3);top:var(--space-3);padding:var(--space-2) var(--space-3);background:var(--color-elevated);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);z-index:1000;transform:translateY(-200%);transition:transform .15s ease}.skiplink:focus{transform:translateY(0)}.muted{color:var(--color-text-muted)}.stack{display:flex;flex-direction:column;gap:var(--space-4)}.stack--md{gap:var(--space-6)}.page-wrap{min-height:100dvh;display:flex;flex-direction:column}main{flex:1}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-4)}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--color-bg) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-height);gap:var(--space-4)}.brand{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text);text-decoration:none}.brand img{display:block;height:2.5rem;width:auto;flex-shrink:0}.nav{display:flex;align-items:center;gap:var(--space-5);flex-wrap:wrap;justify-content:flex-end}.nav a{font-size:.95rem;font-weight:500;color:var(--color-text);text-decoration:none}.nav a[aria-current=page]{color:var(--color-accent);text-decoration:underline;text-decoration-color:var(--color-accent);text-decoration-thickness:2px;text-underline-offset:.25em}.footer{border-top:1px solid var(--color-border);padding:var(--space-8) 0;margin-top:var(--space-12);font-size:.9rem;color:var(--color-text-muted)}.footer__row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-4)}.hero{padding:var(--space-12) 0 var(--space-8);border-bottom:1px solid var(--color-border);background:radial-gradient(ellipse 80% 50% at 50% 0%,color-mix(in srgb,var(--color-accent) 12%,transparent),transparent 60%)}.hero h1{margin:0 0 var(--space-4);font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.2;font-weight:700;letter-spacing:-.02em}.hero p.lead{margin:0;font-size:1.125rem;max-width:40em;color:var(--color-text-muted)}.btn-row{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-6)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:2.5rem;padding:0 var(--space-5);font-size:.95rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn--primary{background:var(--color-accent);color:#051018;border-color:color-mix(in srgb,var(--color-accent) 70%,#000)}.btn--primary:hover{background:color-mix(in srgb,var(--color-accent) 90%,#fff);color:#051018}.btn--secondary{background:transparent;color:var(--color-text);border-color:var(--color-border)}.btn--secondary:hover{border-color:var(--color-text-muted);color:var(--color-text)}section.content{padding:var(--space-10) 0}section.content h1,.content h1{margin:0 0 var(--space-4);font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;font-weight:700;letter-spacing:-.02em;color:var(--color-text)}.prose{max-width:var(--max-prose)}.prose h2,.content h2{margin:0 0 var(--space-3);font-size:1.35rem;line-height:1.3;letter-spacing:-.01em}.prose p,.prose li{color:var(--color-text-muted)}.prose p,.content p{margin:0 0 var(--space-3);color:var(--color-text-muted)}.prose p:last-child{margin-bottom:0}.content>*+h2,.prose h2{margin-top:var(--space-8)}.content>h2:first-child,.prose h2:first-child{margin-top:0}.card{display:block;padding:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;color:inherit;transition:border-color .15s,background .15s}.card:hover{background:var(--color-elevated);border-color:color-mix(in srgb,var(--color-accent) 40%,var(--color-border))}.card h3{margin:0 0 var(--space-2);font-size:1.15rem;color:var(--color-text)}.card p{margin:0;font-size:.95rem}.callout{margin-top:var(--space-6);padding:var(--space-4) var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.95rem;color:var(--color-text-muted)}.tiers{width:100%;border-collapse:collapse;font-size:.9rem;margin:var(--space-4) 0 0}.tiers th,.tiers td{text-align:left;border:1px solid var(--color-border);padding:var(--space-3) var(--space-3);vertical-align:top}.tiers th{background:var(--color-surface);color:var(--color-text);font-weight:600}.tiers td{color:var(--color-text-muted)}ul.check{margin:0 0 var(--space-4);padding-left:1.25rem;color:var(--color-text-muted)}ul.check li{margin-bottom:var(--space-2)}@media (min-width: 40rem){.tiers{font-size:.95rem}}