/* ============================================================
   base.css: page skeleton. Typography, top navigation,
   phone menu, buttons, sections and footer.
   ============================================================ */

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
:focus-visible{outline:2px solid var(--acc,var(--ink));outline-offset:3px;border-radius:4px}

.wrap{max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.lede{font-size:1.12rem;color:var(--muted);max-width:36em}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.05}
h1{font-size:clamp(2.5rem,5.4vw,4.4rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-.02em}
h3{font-size:1.18rem;font-weight:600;line-height:1.25}
p{margin:0}

/* ---------- top navigation ---------- */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule-soft)}
.nav .wrap{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:1.12rem;letter-spacing:-.015em;margin-right:auto;white-space:nowrap}
/* logo mark: a lens with a beam through it */
.brand .mark{position:relative;width:22px;height:22px;flex:none;border:1.5px solid var(--ink);border-radius:50%}
.brand .mark::before{content:"";position:absolute;left:50%;top:-6px;bottom:-6px;width:1.5px;margin-left:-.75px;background:var(--ph);transform:rotate(28deg)}
.brand .mark::after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--ee);right:-3px;bottom:1px}

.links{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.links a{display:flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;text-decoration:none;font-size:.9rem;color:var(--muted)}
.links a:hover{color:var(--ink);background:var(--rule-soft)}
.links a[aria-current="page"]{color:var(--ink);background:var(--sheet);box-shadow:inset 0 0 0 1px var(--rule)}
.links a i{width:7px;height:7px;border-radius:50%;background:var(--acc)}
.links .sep{width:1px;background:var(--rule);margin:8px 6px}
.iconbtn{border:1px solid var(--rule);background:transparent;color:var(--ink);border-radius:999px;width:36px;height:36px;cursor:pointer;display:grid;place-items:center;flex:none}
.menubtn{display:none}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--ph),var(--ee),var(--cs))}

/* phone menu */
.drawer{border-top:1px solid var(--rule-soft);background:var(--paper)}
.drawer .wrap{padding-block:10px 18px}
.drawer ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.drawer a{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;border-bottom:1px solid var(--rule-soft);text-decoration:none;font:600 1.05rem var(--body)}
.drawer a[aria-current="page"]{color:var(--acc)}
.drawer .mono{color:var(--muted);font-weight:400}
@media (max-width:1100px){.nav .links{display:none}.menubtn{display:grid}}

/* ---------- page area ---------- */
main{min-height:60vh;outline:none}
main:focus,main:focus-visible{outline:none}
.view{animation:enter .45s cubic-bezier(.2,.8,.2,1)}
@keyframes enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.sec{padding-block:clamp(44px,6vw,80px)}
.sec + .sec{border-top:1px solid var(--rule-soft)}
.band{background:var(--sheet);border-block:1px solid var(--rule-soft)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px 32px;margin-bottom:26px}
.sec-head .eyebrow{margin-bottom:10px}
.more{font:600 .92rem var(--body);text-decoration:none;border-bottom:1.5px solid var(--acc);padding-bottom:2px;display:inline-flex;gap:8px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:999px;font:600 .95rem var(--body);text-decoration:none;cursor:pointer;border:1px solid var(--ink);transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.btn.solid{background:var(--ink);color:var(--paper)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule)}
.btn:hover{transform:translateY(-2px)}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- footer ---------- */
footer{margin-top:clamp(32px,5vw,64px);border-top:1px solid var(--rule);background:var(--sheet)}
.fgrid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:24px;padding-block:40px 28px}
@media (max-width:760px){.fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.fgrid > div:first-child{grid-column:1/-1}}
.fgrid ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:6px}
.fgrid a{text-decoration:none;color:var(--muted);font-size:.92rem}
.fgrid a:hover{color:var(--ink)}
.fgrid .brand{color:var(--ink);font-size:1.2rem}
.fbar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding-block:16px 26px;border-top:1px solid var(--rule-soft);color:var(--muted)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}