/* 1) Tokens */
:root {
  --bg: #0b0f14;
  --surface: #101826;
  --surface-2: #0f1723;
  --text: #e7edf6;
  --muted: #a9b4c3;
  --border: rgba(231, 237, 246, 0.12);
  --accent: #7dd3fc;
  --accent-ink: #062033;

  --shadow: 0 12px 30px rgba(0,0,0,0.35);
  --radius: 16px;
  --radius-sm: 12px;

  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 44px;
  --space-8: 64px;

  --fs-0: 14px;
  --fs-1: 16px;
  --fs-2: 20px;
  --fs-3: 28px;
  --fs-4: 40px;

  --lh: 1.55;
  --maxw: 1120px;
  --maxw-narrow: 760px;
}

/* 2) Base */
* { 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";
  font-size: var(--fs-1);
  line-height: var(--lh);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(125,211,252,0.10), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(125,211,252,0.08), transparent 55%),
              var(--bg);
  color: var(--text);
  background-repeat: no-repeat;
  background-size: 100% 100%, 100% 100%, auto;
  background-attachment: fixed, fixed, fixed;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0 0 var(--space-4); color: var(--muted); }
h1, h2, h3 { margin: 0 0 var(--space-3); letter-spacing: -0.02em; color: var(--text); }
h1 { font-size: var(--fs-4); line-height: 1.05; }
h2 { font-size: var(--fs-3); line-height: 1.15; }
h3 { font-size: var(--fs-2); line-height: 1.25; }
small { color: var(--muted); }

:focus-visible {
  outline: 2px solid rgba(125,211,252,0.8);
  outline-offset: 3px;
  border-radius: 10px;
}

.skip-link {
  position: absolute; left: -9999px; top: 10px;
  background: var(--surface); color: var(--text);
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
}
.skip-link:focus { left: 10px; z-index: 1000; }

/* 3) Layout primitives */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-5); }
.narrow { max-width: var(--maxw-narrow); }
.section { padding: var(--space-8) 0; }
.stack > * + * { margin-top: var(--space-4); }
.divider { border-top: 1px solid var(--border); margin: var(--space-6) 0; }

.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 780px) { .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .container { padding: 0 var(--space-4); } }

/* 4) Header / footer */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,15,20,0.65);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 42px; height: 42px; object-fit: contain; border-radius: 6px; background: rgba(231,237,246,0.04); }
.brand-name { font-weight: 650; letter-spacing: -0.01em; }

.site-nav { display: flex; align-items: center; gap: 14px; }
.nav-link {
  padding: 10px 10px;
  color: var(--muted);
  border-radius: 12px;
}
.nav-link:hover { color: var(--text); text-decoration: none; background: rgba(231,237,246,0.06); }
.nav-link.is-active { color: var(--text); background: rgba(125,211,252,0.12); border: 1px solid rgba(125,211,252,0.18); }

.nav-cta { color: var(--text); background: rgba(125,211,252,0.14); border: 1px solid rgba(125,211,252,0.25); }
.nav-cta:hover { background: rgba(125,211,252,0.18); }

.site-footer { border-top: 1px solid var(--border); padding: var(--space-6) 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.footer-meta, .footer-links { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.footer-meta a, .footer-links a { color: var(--muted); }
.footer-meta a:hover, .footer-links a:hover { color: var(--text); }
.dot { opacity: 0.5; }

/* 5) Components */
.page-hero { padding: var(--space-8) 0 var(--space-6); }
.lede { font-size: var(--fs-2); color: var(--muted); max-width: 70ch; }
.hero-actions { display: flex; gap: 12px; margin-top: var(--space-5); flex-wrap: wrap; }

.card {
  background: linear-gradient(180deg, rgba(16,24,38,0.92), rgba(16,24,38,0.75));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}
.card:hover { border-color: rgba(125,211,252,0.22); }

.kicker { color: rgba(125,211,252,0.9); font-weight: 650; letter-spacing: 0.02em; text-transform: uppercase; font-size: 12px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(231,237,246,0.16);
  color: var(--muted);
  background: rgba(231,237,246,0.04);
  font-size: 13px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(231,237,246,0.04);
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}
.btn:hover { text-decoration: none; border-color: rgba(125,211,252,0.22); background: rgba(231,237,246,0.06); }
.btn-primary { background: rgba(125,211,252,0.18); border-color: rgba(125,211,252,0.28); }
.btn-primary:hover { background: rgba(125,211,252,0.22); }
.btn-secondary { background: rgba(231,237,246,0.03); }
.btn-ghost { background: transparent; }

.callout {
  border: 1px solid rgba(125,211,252,0.22);
  background: rgba(125,211,252,0.08);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.callout p { color: rgba(231,237,246,0.78); }

.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}
@media (max-width: 780px) { .compare { grid-template-columns: 1fr; } }

.list { margin: 0; padding-left: 18px; color: var(--muted); }
.list li { margin: 10px 0; }

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.table th, .table td {
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.table th { color: var(--text); background: rgba(231,237,246,0.04); }
.table tr:last-child td { border-bottom: none; }

/* 6) Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* =========================================
   Mobile header (Option A): wrap, don’t squeeze
   Add to END of your existing style.css
========================================= */

/* Phones + small tablets */
@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: 12px 0;
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--space-2);
  }

  .nav-link {
    padding: 8px 10px;
  }
}

/* Extra-small phones */
@media (max-width: 420px) {
  .brand-name { display: inline; } /* optional */
  .brand-mark { width: 38px; height: 38px; }
  .site-nav { gap: 8px; }
  .nav-link { padding: 7px 9px; }
}