/* OP Partners USA — Static Site Theme
   Designed for clarity, accessibility, and speed.
*/

:root{
  --bg: #0b1020;
  --bg2: #0a1730;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.10);
  --stroke: rgba(255,255,255,0.14);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --faint: rgba(255,255,255,0.58);
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --shadow2: 0 12px 28px rgba(0,0,0,0.28);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
  --ring: 0 0 0 4px rgba(255,255,255,0.18);
  --link: rgba(255,255,255,0.92);
  --link2: rgba(255,255,255,0.80);
  --btn: rgba(255,255,255,0.12);
  --btn2: rgba(255,255,255,0.16);
  --ok: rgba(255,255,255,0.88);

  --gradA: radial-gradient(1100px 520px at 15% 0%, rgba(124,92,255,0.45), rgba(124,92,255,0.0) 55%),
           radial-gradient(900px 420px at 80% 12%, rgba(0,226,255,0.30), rgba(0,226,255,0.0) 58%),
           radial-gradient(900px 520px at 65% 72%, rgba(255,159,67,0.25), rgba(255,159,67,0.0) 60%);
  --gradB: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.0));
  --grid: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
}

html[data-theme="light"]{
  --bg: #f7f8fe;
  --bg2: #ffffff;
  --card: rgba(12,18,40,0.06);
  --card2: rgba(12,18,40,0.10);
  --stroke: rgba(12,18,40,0.12);
  --text: rgba(8,12,24,0.92);
  --muted: rgba(8,12,24,0.72);
  --faint: rgba(8,12,24,0.60);
  --shadow: 0 24px 70px rgba(16,24,40,0.12);
  --shadow2: 0 14px 30px rgba(16,24,40,0.10);
  --ring: 0 0 0 4px rgba(12,18,40,0.12);
  --link: rgba(8,12,24,0.92);
  --link2: rgba(8,12,24,0.76);
  --btn: rgba(12,18,40,0.08);
  --btn2: rgba(12,18,40,0.12);
  --ok: rgba(8,12,24,0.92);

  --gradA: radial-gradient(1100px 520px at 15% 0%, rgba(124,92,255,0.20), rgba(124,92,255,0.0) 55%),
           radial-gradient(900px 420px at 80% 12%, rgba(0,226,255,0.14), rgba(0,226,255,0.0) 58%),
           radial-gradient(900px 520px at 65% 72%, rgba(255,159,67,0.12), rgba(255,159,67,0.0) 60%);
  --gradB: linear-gradient(180deg, rgba(12,18,40,0.06), rgba(12,18,40,0.0));
  --grid: linear-gradient(rgba(12,18,40,0.06) 1px, transparent 1px),
          linear-gradient(90deg, rgba(12,18,40,0.06) 1px, transparent 1px);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x:hidden;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }
small{ color: var(--faint); }
strong{ color: var(--ok); }

.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

.skip-link{
  position:absolute; left:-999px; top:12px;
  background: var(--bg2); color: var(--text);
  padding:10px 12px; border-radius: 12px;
  border:1px solid var(--stroke);
  box-shadow: var(--shadow2);
  z-index: 9999;
}
.skip-link:focus{ left:12px; outline:none; box-shadow: var(--ring), var(--shadow2); }

.site-bg{
  position:fixed; inset:0;
  background: var(--gradA);
  pointer-events:none;
  z-index:-2;
}
.site-grid{
  position:fixed; inset:-1px;
  background-image: var(--grid);
  background-size: 58px 58px;
  opacity: .22;
  mask-image: radial-gradient(800px 520px at 50% 0%, #000 35%, transparent 75%);
  pointer-events:none;
  z-index:-1;
}

header{
  position:sticky; top:0;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg), transparent 25%);
  border-bottom: 1px solid var(--stroke);
  z-index: 1000;
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  min-width: 220px;
}
.brand-mark{
  width:40px; height:40px; border-radius: 14px;
  background: var(--gradA);
  border:1px solid var(--stroke);
  box-shadow: var(--shadow2);
  display:grid; place-items:center;
}
.brand-mark svg{ width:22px; height:22px; opacity:.95; }
.brand h1{
  margin:0; font-size: 15px; letter-spacing:.2px;
}
.brand .tag{ font-size: 12px; color: var(--muted); margin-top:2px; }

.menu{
  display:flex; align-items:center; gap: 14px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.menu a{
  font-size: 13px;
  color: var(--link2);
  padding: 8px 10px;
  border-radius: 12px;
  border:1px solid transparent;
}
.menu a:hover{
  background: var(--btn);
  border-color: var(--stroke);
  text-decoration:none;
}
.menu a[aria-current="page"]{
  background: var(--btn2);
  border-color: var(--stroke);
  color: var(--link);
}

.actions{ display:flex; align-items:center; gap:10px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: var(--btn);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  box-shadow: none;
  cursor:pointer;
}
.btn:hover{ background: var(--btn2); text-decoration:none; }
.btn:focus{ outline:none; box-shadow: var(--ring); }
.btn.primary{
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.10));
  box-shadow: var(--shadow2);
}
.btn.icon{
  padding: 10px 12px;
}
.btn svg{ width:16px; height:16px; opacity:.92; }

.mobile-toggle{ display:none; }

main{ padding: 34px 0 64px; }

.hero{
  padding: 42px 0 20px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.4fr .9fr;
  gap: 26px;
  align-items:stretch;
}
.hero-card{
  border: 1px solid var(--stroke);
  background: var(--gradB), var(--card);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: 26px;
  position:relative;
  overflow:hidden;
}
.hero-card:before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(700px 260px at 12% 0%, rgba(255,255,255,0.16), transparent 55%),
              radial-gradient(700px 260px at 88% 10%, rgba(255,255,255,0.10), transparent 55%);
  opacity:.8;
  pointer-events:none;
}
.hero h2{
  position:relative;
  margin:0 0 10px;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.6px;
}
.hero p{
  position:relative;
  margin: 10px 0 16px;
  font-size: 15.5px;
  color: var(--muted);
  max-width: 62ch;
}
.pills{
  display:flex; flex-wrap:wrap; gap:8px;
  margin: 16px 0 18px;
  position:relative;
}
.pill{
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}
.ctas{ display:flex; gap:10px; flex-wrap:wrap; position:relative; }

.aside{
  display:grid; gap: 16px;
}
.kpi{
  border: 1px solid var(--stroke);
  background: var(--gradB), var(--card);
  border-radius: var(--radius2);
  box-shadow: var(--shadow2);
  padding: 18px;
}
.kpi h3{ margin:0 0 6px; font-size: 14px; }
.kpi p{ margin:0; color: var(--muted); font-size: 13px; }
.kpi ul{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.kpi li{ margin: 6px 0; }

.section{ padding: 26px 0; }
.section h3{
  margin:0 0 10px;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.section p{ margin: 0 0 14px; color: var(--muted); }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border: 1px solid var(--stroke);
  background: var(--gradB), var(--card);
  border-radius: var(--radius2);
  padding: 16px;
  box-shadow: var(--shadow2);
  position:relative;
}
.card h4{ margin:0 0 6px; font-size: 14px; }
.card p{ margin:0; color: var(--muted); font-size: 13.5px; }
.card .meta{ margin-top: 10px; display:flex; gap:10px; flex-wrap:wrap; }
.badge{
  font-size: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.card a.card-link{
  display:inline-flex; align-items:center; gap:8px;
  margin-top: 12px;
  font-weight: 650;
  font-size: 13px;
  text-decoration:none;
}
.card a.card-link:hover{ text-decoration: underline; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:stretch;
}

.callout{
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06));
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: 18px;
  position:relative;
  overflow:hidden;
}
.callout:after{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(520px 240px at 0% 0%, rgba(124,92,255,0.35), transparent 55%),
              radial-gradient(520px 240px at 100% 0%, rgba(0,226,255,0.22), transparent 55%),
              radial-gradient(520px 240px at 50% 110%, rgba(255,159,67,0.18), transparent 60%);
  opacity:.65;
  pointer-events:none;
}
.callout .inner{ position:relative; }
.callout h4{ margin:0 0 6px; font-size: 15px; }
.callout p{ margin:0 0 12px; color: var(--muted); font-size: 13.5px; }
.callout .actions{ gap:10px; flex-wrap:wrap; }

.article{
  max-width: 840px;
}
.article h2{ margin:0 0 8px; font-size: 32px; letter-spacing: -0.4px; line-height:1.2;}
.article .byline{ margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.article .content{
  border: 1px solid var(--stroke);
  background: var(--gradB), var(--card);
  border-radius: var(--radius2);
  padding: 20px;
  box-shadow: var(--shadow2);
}
.article .content h3{ margin-top: 22px; }
.article .content h3:first-child{ margin-top: 0; }
.article .content p{ margin: 10px 0; color: var(--muted); }
.article .content ul{ margin: 10px 0; padding-left: 18px; color: var(--muted); }
.article .content li{ margin: 8px 0; }
.article .content .note{
  border-left: 3px solid var(--stroke);
  padding: 10px 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  margin: 14px 0;
}

.kicker{
  display:flex; gap:10px; flex-wrap:wrap;
  margin: 6px 0 0;
}

hr.sep{
  border:none;
  border-top: 1px solid var(--stroke);
  margin: 24px 0;
}

.footer{
  padding: 38px 0;
  border-top: 1px solid var(--stroke);
  background: color-mix(in oklab, var(--bg), var(--bg2) 30%);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr .7fr .7fr;
  gap: 18px;
  align-items:start;
}
.footer h5{ margin: 0 0 10px; font-size: 13px; color: var(--ok);}
.footer a{ color: var(--link2); font-size: 13px; display:inline-block; padding: 4px 0; }
.footer a:hover{ color: var(--link); text-decoration: underline; }
.footer p{ margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.footer .mini{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}
.footer .mini span{ opacity:.9; }

.notice{
  border:1px solid var(--stroke);
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--muted);
  font-size: 12.5px;
}
.notice a{ color: var(--link); }

.table{
  width:100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--muted);
  overflow:hidden;
  border-radius: 16px;
  border: 1px solid var(--stroke);
}
.table th, .table td{
  padding: 10px 12px;
  border-bottom: 1px solid var(--stroke);
  text-align:left;
}
.table th{ color: var(--ok); font-weight: 650; background: rgba(255,255,255,0.05); }
.table tr:last-child td{ border-bottom:none; }

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .brand{ min-width:auto; }
  .menu{ display:none; }
  .mobile-toggle{ display:inline-flex; }
  .menu.open{
    display:flex;
    width:100%;
    border-top: 1px solid var(--stroke);
    padding-top: 10px;
    margin-top: 10px;
    justify-content:flex-start;
  }
  .nav{ flex-wrap:wrap; }
}

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