/* Base styles */
:root { --bg: #0b0c0c; --text: #111; --muted: #666; --brand: #0f172a; --accent: #0ea5e9; --card: #f5f7fb; }
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; color: var(--text); background: white; }
.container { width: min(1120px, 92%); margin-inline: auto; }
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 6px; border: 1px solid #e5e7eb; color: #111; z-index: 50; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,0.9); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid #eef2f7; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-weight: 700; letter-spacing: 0.2px; }
.logo { width: 36px; height: 36px; border-radius: 999px; background: linear-gradient(135deg, var(--accent), #22d3ee); display: grid; place-items: center; font-weight: 700; color: white; }
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 6px; }

.primary-nav { position: relative; }
.nav-toggle { display: none; background: transparent; border: 1px solid #e5e7eb; padding: 8px 12px; border-radius: 8px; }
.nav-menu { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.nav-menu a { color: #111; text-decoration: none; font-weight: 500; }
.nav-menu a:hover { color: var(--accent); }

/* Hero */
.hero { position: relative; min-height: clamp(360px, 62vh, 720px); display: grid; align-items: end; color: white; }
.hero-media { position: absolute; inset: 0; background: url('assets/img/BlackbirdLandingPagePhoto.png') center/cover no-repeat, linear-gradient(180deg, #0f172a, #0b1220); filter: saturate(105%); }
/* Removed black overlay */
.hero-content { position: relative; padding: 18vh 0 8vh; }
.hero h1 { margin: 0 0 10px; font-size: clamp(28px, 4.5vw, 56px); line-height: 1.05; letter-spacing: -0.02em; }
.hero p { margin: 0; font-size: clamp(16px, 2.2vw, 20px); opacity: 0.9; }

/* Partners */
.partners { padding: 48px 0; background: white; }
.logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 0; padding: 0; }
.logo-card { list-style: none; background: var(--card); border: 1px solid #eef2f7; border-radius: 14px; padding: 18px; display: grid; justify-items: center; gap: 10px; }
.partner-link { display: grid; justify-items: center; text-decoration: none; color: inherit; gap: 10px; }
.partner-link:hover .logo-caption { color: var(--accent); }
.logo-placeholder { width: 96px; height: 96px; border-radius: 999px; background: white; border: 2px dashed #cbd5e1; display: grid; place-items: center; color: #64748b; font-weight: 600; }
.logo-caption { margin: 0; font-size: 14px; color: #334155; text-align: center; }
.partner-logo { width: 120px; height: 120px; object-fit: contain; }
.partner-logo.gam-power { width: 160px; height: 160px; }

/* Sections */
.about, .contact { padding: 56px 0; }
.about h2, .contact h2 { margin-top: 0; }

/* Footer */
.site-footer { border-top: 1px solid #eef2f7; padding: 20px 0; color: var(--muted); font-size: 14px; background: #fafbff; }

/* Responsive */
@media (max-width: 920px) {
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: inline-block; }
  .nav-menu { position: absolute; right: 0; top: 110%; background: white; border: 1px solid #e5e7eb; border-radius: 10px; padding: 10px 14px; display: none; flex-direction: column; gap: 8px; min-width: 180px; }
  .nav-menu[aria-expanded="true"] { display: flex; }
}
@media (max-width: 520px) {
  .logo-grid { grid-template-columns: 1fr; }
}