/* ============================================================
   AgentRefills — shared site stylesheet
   Base tokens, professional dropdown nav, mobile menu, footer,
   and reusable page building blocks. Linked by every page.
   ============================================================ */

:root{
  --bg:#f8f8f6; --card:#ffffff; --ink:#16202b; --muted:#566472; --faint:#8b97a3;
  --line:#ececea; --line-soft:#f1f1ef;
  --accent:#0d9488; --accent-ink:#0f766e; --bright:#14b8a6;
  --accent-tint:#f0fdfa; --accent-tint-2:#ecfdf5; --amber:#f59e0b;
  --radius:22px; --radius-sm:14px;
  --shadow:0 1px 2px rgba(22,32,43,.04), 0 8px 24px rgba(22,32,43,.05);
  --shadow-lift:0 2px 6px rgba(22,32,43,.06), 0 20px 44px rgba(13,148,136,.12);
  --shadow-pop:0 12px 40px rgba(22,32,43,.12), 0 2px 8px rgba(22,32,43,.06);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Inter",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Space Grotesk","Inter",sans-serif;letter-spacing:-.02em;line-height:1.1;margin:0}
code,.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hide-sm{}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-weight:600;font-size:14px;cursor:pointer;
  border-radius:12px;padding:10px 16px;transition:.2s;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(13,148,136,.28)}
.btn-primary:hover{background:var(--accent-ink);transform:translateY(-1px);box-shadow:0 10px 26px rgba(13,148,136,.34)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-1px)}
.btn-lg{padding:13px 22px;font-size:15px;border-radius:13px}

/* ============================================================
   HEADER + PRIMARY NAV
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(248,248,246,.78);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.site-header .nav{display:flex;align-items:center;gap:18px;height:70px}

.logo{display:flex;align-items:center;gap:9px;font-family:"Space Grotesk";font-weight:700;font-size:21px;letter-spacing:-.02em;color:var(--ink)}
.logo .glyph{width:26px;height:26px;flex:none}
.logo .lo-a{color:var(--ink)}
.logo .lo-b{color:var(--accent)}

/* primary nav row */
.primary-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-item{position:relative;display:flex}
.nav-link{
  display:inline-flex;align-items:center;gap:5px;
  font-family:inherit;font-size:14.5px;font-weight:500;color:var(--muted);
  padding:9px 13px;border-radius:10px;transition:.16s;white-space:nowrap;
  background:transparent;border:0;cursor:pointer;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink);background:var(--accent-tint)}
.nav-link[aria-current="page"]{color:var(--accent-ink);font-weight:600}
.nav-link .chev{width:13px;height:13px;transition:transform .2s;color:var(--faint)}
.nav-item:hover .nav-link .chev,
.nav-item.open .nav-link .chev{transform:rotate(180deg)}
.nav-item:hover .nav-link,
.nav-item.open .nav-link{color:var(--ink);background:var(--accent-tint)}

/* dropdown panel */
.dropdown{
  position:absolute;top:calc(100% + 2px);left:0;z-index:90;
  min-width:290px;padding:8px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-pop);
  opacity:0;visibility:hidden;transform:translateY(6px);pointer-events:none;
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.dropdown.wide{min-width:340px}
.nav-item:hover .dropdown,
.nav-item.open .dropdown,
.dropdown:focus-within{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
/* invisible hover bridge so the panel doesn't close in the gap */
.nav-item::after{content:"";position:absolute;top:100%;left:0;right:0;height:10px}

.dd-link{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 12px;border-radius:11px;transition:.14s;
}
.dd-link:hover{background:var(--accent-tint)}
.dd-ico{
  flex:none;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-tint-2);color:var(--accent-ink);margin-top:1px;
}
.dd-ico svg{width:18px;height:18px}
.dd-txt{min-width:0}
.dd-txt b{display:block;font-family:"Space Grotesk";font-weight:600;font-size:14px;color:var(--ink);letter-spacing:-.01em}
.dd-txt span{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;margin-top:1px}
.dd-foot{
  margin-top:6px;padding:11px 12px 7px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.dd-foot a{font-size:13px;font-weight:600;color:var(--accent-ink);display:inline-flex;align-items:center;gap:5px}
.dd-foot a:hover{gap:8px}

/* right-side actions */
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.menu-btn{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;color:var(--ink);
}
.menu-btn:hover{border-color:var(--accent);color:var(--accent-ink)}

/* ---------- mobile menu (accordion) ---------- */
.mobile-menu{
  display:none;flex-direction:column;
  border-top:1px solid var(--line-soft);
  background:rgba(248,248,246,.98);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  max-height:calc(100dvh - 70px);overflow-y:auto;
}
.mobile-menu[hidden]{display:none}
.mobile-menu.open{display:flex}
.mm-inner{padding:12px 20px 26px;display:flex;flex-direction:column;gap:2px}
.mm-group{border-bottom:1px solid var(--line-soft)}
.mm-head{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:15px 4px;font-family:"Space Grotesk";font-weight:600;font-size:16px;color:var(--ink);
  background:transparent;border:0;cursor:pointer;font-family:inherit;
}
.mm-head .chev{width:16px;height:16px;color:var(--faint);transition:transform .2s}
.mm-group.open .mm-head .chev{transform:rotate(180deg)}
.mm-sub{display:none;flex-direction:column;padding:0 4px 12px}
.mm-group.open .mm-sub{display:flex}
.mm-sub a{padding:9px 12px;font-size:14.5px;color:var(--muted);border-radius:9px}
.mm-sub a:hover{background:var(--accent-tint);color:var(--accent-ink)}
.mm-solo{
  display:block;padding:15px 4px;font-family:"Space Grotesk";font-weight:600;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line-soft);
}
.mm-cta{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.mm-cta .btn{width:100%;padding:13px}

@media(max-width:900px){
  .primary-nav{display:none}
  .menu-btn{display:inline-flex}
}
@media(max-width:520px){
  .nav-actions .hide-sm{display:none}
}

/* ============================================================
   REUSABLE PAGE BUILDING BLOCKS
   ============================================================ */
.page-hero{position:relative;overflow:hidden;padding:72px 0 52px}
.page-hero .mesh{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 380px at 85% -10%, rgba(20,184,166,.16), transparent 60%),
    radial-gradient(480px 340px at 6% 8%, rgba(13,148,136,.11), transparent 60%);
}
.page-hero .wrap{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--accent-ink);background:var(--accent-tint);border:1px solid #cbfbf1;
  padding:6px 12px;border-radius:100px;margin-bottom:20px;
}
.eyebrow .live{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.18)}
.page-hero h1{font-size:clamp(34px,5vw,52px);font-weight:700;letter-spacing:-.035em;line-height:1.04;max-width:820px}
.page-hero h1 .grad{background:linear-gradient(100deg,var(--accent),var(--bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .lede{font-size:18px;color:var(--muted);max-width:620px;margin:20px 0 0;line-height:1.6}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.breadcrumb{font-size:13px;color:var(--faint);margin-bottom:18px}
.breadcrumb a:hover{color:var(--accent-ink)}
.breadcrumb .sep{margin:0 7px}

.section{padding:60px 0;border-top:1px solid var(--line-soft)}
.section.plain{border-top:0}
.sec-kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:10px}
.sec-title{font-size:clamp(26px,3.4vw,34px);font-weight:700;letter-spacing:-.03em;margin-bottom:12px}
.sec-sub{font-size:16px;color:var(--muted);max-width:680px;margin:0 0 32px}

.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:860px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:24px;box-shadow:var(--shadow);transition:.2s;
}
.card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
.card .ico{
  width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-tint-2);color:var(--accent-ink);margin-bottom:14px;
}
.card .ico svg{width:22px;height:22px}
.card h3{font-size:17px;font-weight:600;margin-bottom:7px}
.card p{font-size:14px;color:var(--muted);margin:0;line-height:1.55}

/* code block */
.codewrap{background:#0f1720;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lift)}
.codewrap .cbar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.codewrap .cbar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.codewrap .cbar .t{font-size:12px;color:#8b97a3;margin-left:8px;font-family:"JetBrains Mono",monospace}
.codewrap pre{margin:0;padding:20px 22px;overflow-x:auto;color:#e6edf3;font-family:"JetBrains Mono",monospace;font-size:13px;line-height:1.7}
.codewrap .cm{color:#7d8ba1}.codewrap .kw{color:#7dd3fc}.codewrap .st{color:#86efac}.codewrap .fn{color:#fca5a5}.codewrap .nu{color:#fcd34d}

/* CTA band */
.cta-band{
  margin:64px auto;max-width:var(--maxw);
  background:linear-gradient(120deg,#0f766e,#0d9488 55%,#14b8a6);
  border-radius:var(--radius);padding:48px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);color:#fff;margin-bottom:8px}
.cta-band p{margin:0;color:rgba(255,255,255,.9);font-size:16px;max-width:520px}
.cta-band .btn-primary{background:#fff;color:var(--accent-ink);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.cta-band .btn-primary:hover{background:#f0fdfa}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}

/* simple stat / list rows */
.statline{display:flex;gap:34px;flex-wrap:wrap;margin-top:28px}
.stat b{display:block;font-family:"Space Grotesk";font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--muted)}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.checklist li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink)}
.checklist li svg{flex:none;margin-top:3px;color:var(--accent)}
.checklist li span{color:var(--muted)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{border-top:1px solid var(--line);background:var(--card);margin-top:20px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;padding:60px 0 40px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{color:var(--muted);font-size:14px;max-width:270px;margin:0 0 16px}
.foot-since{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--accent-ink);font-weight:500}
.foot-col h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin:0 0 15px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:.15s}
.foot-col a:hover{color:var(--accent-ink)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line-soft)}
.foot-bottom .cc{font-size:13px;color:var(--faint)}
.foot-bottom .legal{display:flex;gap:18px}
.foot-bottom .legal a{font-size:13px;color:var(--muted)}
.foot-bottom .legal a:hover{color:var(--accent-ink)}
@media(max-width:820px){
  .foot-top{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1/-1}
}