:root{--bg:#f4f6fb;--surface:#fff;--text:#111827;--muted:#5c6373;--border:#d9dfeb;--brand:#1e5fd9;--brand-soft:#e7efff}*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%}body{color:var(--text);background:radial-gradient(circle at top right, #eef3ff 0, transparent 35%), var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Avenir Next,Segoe UI,Noto Sans,sans-serif}a{color:inherit;text-decoration:none}.site-shell{min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}.top-nav{z-index:10;border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--surface) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0}.nav-inner,.content-wrap{width:calc(100% - 2rem);max-width:none;margin:0 auto}.nav-inner{padding:max(.75rem, env(safe-area-inset-top)) 0 .75rem;justify-content:space-between;align-items:center;gap:.75rem;display:flex}.brand{align-items:center;gap:.6rem;font-size:1.05rem;font-weight:650;display:inline-flex}.brand-mark{background:var(--brand-soft);width:1.65rem;height:1.65rem;color:var(--brand);border-radius:.5rem;place-items:center;font-size:.95rem;font-weight:700;display:inline-grid}.nav-links{align-items:center;gap:.25rem;display:inline-flex}.nav-link{min-width:2.75rem;min-height:2.75rem;color:var(--muted);border-radius:.5rem;justify-content:center;align-items:center;padding:.55rem .85rem;font-weight:550;transition:background-color .15s,color .15s;display:inline-flex}.nav-link:hover{color:var(--text);background:#eef1f7}.nav-link-active{color:#1f355a;background:#e7efff}.nav-button{cursor:pointer;font:inherit;background:0 0;border:0}.auth-email{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:180px;font-size:.85rem;overflow:hidden}.content-wrap{padding:.9rem 0 calc(1.5rem + env(safe-area-inset-bottom))}.hero{max-width:760px}.eyebrow{border:1px solid var(--border);color:var(--muted);letter-spacing:.01em;border-radius:999px;margin-bottom:1rem;padding:.35rem .65rem;font-size:.85rem;display:inline-block}.hero h1{letter-spacing:-.02em;margin-bottom:1rem;font-size:clamp(2rem,5vw,3rem);line-height:1.15}.hero-text{max-width:650px;color:var(--muted);font-size:1.1rem;line-height:1.6}.hero-links{flex-wrap:wrap;gap:.75rem;margin-top:1.6rem;display:flex}.button{border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:.6rem;justify-content:center;align-items:center;padding:.65rem 1rem;font-weight:600;display:inline-flex}.button-muted{border-color:var(--border);background:var(--surface);color:var(--text)}.button:disabled{opacity:.65;cursor:not-allowed}.page-card{border:1px solid var(--border);background:var(--surface);border-radius:.9rem;max-width:720px;padding:1.5rem}.page-card h1{margin-bottom:.7rem;font-size:1.65rem}.page-card p{color:var(--muted);line-height:1.65}@media (max-width:640px){.content-wrap{padding-top:.75rem}.nav-inner{align-items:stretch}.nav-link{padding:.5rem .7rem}}