/* RD SUPPORT — Global Styles */
/* System font stack with one Google Font optional override (uncomment if hosted):
   body { font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif; }
*/

:root {
  --bg: #0b1020;
  --panel: #121932;
  --text: #e9eefb;
  --muted: #b4bfdb;
  --brand: #4da3ff;
  --brand-strong: #2281ff;
  --accent: #1dd1a1;
  --danger: #ff5b6b;
  --warning: #ffc857;
  --ring: #9cc8ff;

  --radius: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 20px;
  --space-5: 28px;
  --space-6: 40px;
  --space-7: 64px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #0b1020 0%, #0b1328 100%);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-strong); text-decoration: underline; }

/* Layout */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-4); }
.stack { display: grid; gap: var(--space-5); }
.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

@media (max-width: 900px){
  .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Focus ring */
:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(120%) blur(10px);
  background: rgba(7,10,24,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) 0; }
.brand { display: inline-flex; gap: var(--space-2); align-items: center; color: var(--text); font-weight: 700; letter-spacing: 0.3px; }
.brand svg { width: 28px; height: 28px; }

nav.primary-nav { display: flex; gap: var(--space-4); align-items: center; }
nav.primary-nav a { color: var(--muted); font-weight: 600; }
nav.primary-nav a[aria-current="page"], nav.primary-nav a:hover { color: var(--text); }

.nav-toggle { display: none; background: transparent; border: 1px solid rgba(255,255,255,0.15); color: var(--text); padding: 8px 10px; border-radius: 8px; }

@media (max-width: 840px){
  .nav-toggle { display: inline-flex; }
  nav.primary-nav { position: absolute; left: 0; right: 0; top: 100%; background: rgba(7,10,24,0.97); flex-direction: column; padding: var(--space-4); display: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  nav.primary-nav.open { display: flex; }
}

/* Hero */
.hero { padding: var(--space-7) 0 var(--space-6); display: grid; gap: var(--space-5); align-items: center; }
.hero .lead { color: var(--muted); max-width: 65ch; }
.hero img.hero-img { border-radius: var(--radius); box-shadow: var(--shadow); object-fit: cover; width: 100%; height: 360px; }
.eyebrow { color: var(--brand); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; font-size: 0.85rem; }

/* Typography */
h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(2rem, 1.2rem + 2.5vw, 3rem); margin: 0 0 var(--space-3); }
h2 { font-size: clamp(1.4rem, 1rem + 1.5vw, 2rem); margin: 0 0 var(--space-3); }
h3 { font-size: 1.15rem; margin: 0 0 var(--space-2); }
p { margin: 0 0 var(--space-3); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 16px; border-radius: 999px; border: 1px solid transparent; font-weight: 700; cursor: pointer; transition: all .2s ease; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-strong)); color: #001028; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--brand); border-color: rgba(77,163,255,0.45); }
.btn-secondary:hover { background: rgba(77,163,255,0.1); }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* Cards */
.card { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: var(--space-5); box-shadow: var(--shadow); }
.card h3 { margin-bottom: var(--space-3); }
.card p { color: var(--muted); }

/* Sections */
section { padding: var(--space-6) 0; }
section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0)); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }

/* Lists */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.checklist li::before { content: "✔"; color: var(--accent); margin-right: 8px; }

/* Forms */
form { display: grid; gap: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 640px){ .form-row { grid-template-columns: 1fr; } }
label { font-weight: 700; display: block; margin-bottom: 6px; }
input, textarea { width: 100%; padding: 12px 14px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); color: var(--text); border-radius: 8px; }
textarea { min-height: 140px; resize: vertical; }
.help { color: var(--muted); font-size: 0.9rem; }
.error { color: var(--danger); font-weight: 600; font-size: 0.95rem; }

.consent { display: flex; align-items: start; gap: 10px; }
.consent input { width: 20px; height: 20px; margin-top: 3px; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #0f1a36; color: var(--text); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); z-index: 100; opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(-6px); }

/* CTA band */
.cta-band { display: grid; gap: var(--space-3); align-items: center; text-align: center; padding: var(--space-6) var(--space-4); background: linear-gradient(135deg, rgba(77,163,255,0.25), rgba(29,209,161,0.18)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); }

/* Footer */
footer.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: var(--space-6) 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-5); }
@media (max-width: 840px){ .footer-grid { grid-template-columns: 1fr; } }
.footer-muted { color: var(--muted); }
.copyright { color: var(--muted); font-size: 0.9rem; margin-top: var(--space-5); }

/* Utilities */
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.center { text-align: center; }
.pill { display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--muted); border: 1px solid rgba(255,255,255,0.1); font-weight: 600; }