/* AI Radar — shared styles. Layout: one centred container (1120px), sticky header, sections separated by space not boxes. */
:root{
  /* AI Radar dark: near-black ground, mint accent (matches the X profile and the home page) */
  --bg:#0a0c0b; --bg-2:#151916; --surface:#111412; --fg:#eef1ee; --muted:#9aa39c; --line:#1f2521;
  --mint:#34c98a; --mint-ink:#6fdcaa; --mint-soft:#12271e; --ink:#eef1ee; --on-ink:#0a0c0b; --blip:#eef1ee;
  --display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:16px; --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:radial-gradient(70% 40% at 50% 0%,rgba(52,201,138,.12),transparent 70%) no-repeat,var(--bg);color:var(--fg);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.container{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.site-head.scrolled{border-bottom-color:var(--line)}
.site-head .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--body);font-weight:700;font-size:19px;letter-spacing:-.03em}
.brand svg{width:34px;height:34px;flex:none}
.nav{display:flex;align-items:center;gap:6px}
.nav a{text-decoration:none;color:var(--muted);font-weight:500;font-size:15px;padding:8px 12px;border-radius:10px;transition:color .2s,background .2s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--fg);background:var(--bg-2)}
.nav .btn{margin-left:6px}
@media (max-width:640px){.nav a.hide-sm{display:none}}

/* "Get app" link in the header: outlined pill with a phone icon; stays visible on phones */
.nav a.getapp{display:inline-flex;align-items:center;gap:7px;color:var(--fg);border:1px solid var(--line);padding:8px 13px}
.nav a.getapp:hover{border-color:var(--mint);background:transparent}
.nav a.getapp svg{width:15px;height:15px;color:var(--mint)}
@media (max-width:440px){.site-head .nav a.btn-ink{display:none}.brand{font-size:17px}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:15px;padding:11px 18px;border-radius:12px;border:1px solid transparent;transition:transform .25s var(--ease),background .2s,border-color .2s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-ink{background:var(--mint);color:#03120b}
.nav a.btn-ink,.nav a.btn-ink:hover{color:#03120b;background:var(--mint)}
.btn-ink:hover{background:#4fd99f}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--mint)}
.btn svg{width:16px;height:16px}

/* type */
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mint-ink);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px var(--mint-soft)}
h1,h2,h3{font-family:var(--display);font-weight:400!important;letter-spacing:-.015em;line-height:1.04;text-wrap:balance;margin:0}
.page-head h1{font-size:clamp(44px,6.6vw,80px)!important}
.empty b{font-weight:400!important;font-size:26px!important}
.section{padding-block:72px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(32px,4.4vw,52px);line-height:1.05}
.section-head p{margin:8px 0 0;color:var(--muted);max-width:52ch}
.link-arrow{color:var(--mint-ink);font-weight:600;text-decoration:none;white-space:nowrap}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* resource cards */
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}
.res{display:grid;grid-template-rows:auto 1fr;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .35s var(--ease),border-color .25s,box-shadow .35s var(--ease)}
.res:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--mint) 55%,var(--line));box-shadow:0 18px 40px -24px color-mix(in srgb,var(--mint) 60%,transparent)}
.res .thumb{aspect-ratio:4/5;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.res .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .6s var(--ease)}
.res:hover .thumb img{transform:scale(1.04)}
.res .body{padding:14px 16px 16px;display:grid;gap:4px;align-content:start;min-width:0}
.res .kind{font:500 11px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mint-ink)}
.res b{font-family:var(--display);font-weight:400;font-size:22px;line-height:1.1}
.res .desc{color:var(--muted);font-size:14px;line-height:1.45}

/* footer */
.site-foot{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:14px}
.site-foot .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.site-foot a{color:var(--fg);text-decoration:none;font-weight:500}
.site-foot a:hover{color:var(--mint-ink)}
.site-foot nav{display:flex;gap:18px;flex-wrap:wrap}

/* reveal: content is visible by default; JS adds .js to opt in. Uses the separate `translate` property so hover `transform` still works. */
.js .reveal{opacity:0;translate:0 40px;filter:blur(4px);
  transition:opacity .8s var(--ease),translate .8s var(--ease),filter .8s var(--ease),transform .35s var(--ease),border-color .25s,box-shadow .35s var(--ease)}
.js .reveal.above{translate:0 -40px}
.js .reveal.in{opacity:1;translate:0 0;filter:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .reveal{opacity:1;translate:none;filter:none}
}