/* Aim Arena UI — Dark theme inspired by Voltaic (voltaic.gg)
   Accent-driven, high-contrast, performance-friendly CSS */

@font-face {
  font-family: 'GongGothicMedium';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10@1.0/GongGothicMedium.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}

:root {
  --aa-bg: #0a0f14;
  --aa-bg-soft: #0e141b;
  --aa-surface: #121822;
  --aa-surface-2: #151c28;
  --aa-text: #e6edf3;
  --aa-text-dim: #9aa5b1;
  --aa-accent: #00d4ff;
  --aa-accent-2: #7c4dff;
  --aa-danger: #ff4d6d;
  --aa-success: #2ec27e;
  --aa-border: #1f2a37;
  --aa-glow: 0 8px 24px rgba(0, 212, 255, 0.25);
  --aa-radius: 12px;
  --aa-radius-sm: 10px;
  --aa-radius-lg: 16px;
  --aa-shadow: 0 6px 24px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

.aa-body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(124,77,255,0.10), transparent),
              radial-gradient(1000px 600px at 90% 10%, rgba(0,212,255,0.10), transparent),
              var(--aa-bg);
  color: var(--aa-text);
  font-family: 'GongGothicMedium', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

.aa-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.aa-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(6px);
  background: rgba(10,15,20,0.75);
  border-bottom: 1px solid var(--aa-border);
}

.aa-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.aa-brand {
  color: var(--aa-text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
  font-size: 18px;
}

.aa-nav { display: flex; gap: 18px; align-items: center; }
.aa-nav-link {
  color: var(--aa-text-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.aa-nav-link:hover { color: var(--aa-text); }

.aa-nav-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--aa-accent), #18a8ff);
  color: #03121a;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 800;
  letter-spacing: 0.3px;
  box-shadow: var(--aa-glow);
}

/* Buttons */
.aa-btn { display: inline-block; border-radius: 12px; padding: 12px 18px; text-decoration: none; font-weight: 800; }
.aa-btn-primary { background: linear-gradient(135deg, var(--aa-accent), #18a8ff); color: #03121a; box-shadow: var(--aa-glow); }
.aa-btn-primary:hover { filter: brightness(1.05); }
.aa-btn-ghost { background: rgba(255,255,255,0.04); color: var(--aa-text); border: 1px solid var(--aa-border); }
.aa-btn-ghost:hover { background: rgba(255,255,255,0.06); }

/* Hero */
.aa-hero {
  position: relative;
  padding: 88px 0 56px;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(124,77,255,0.14), transparent),
    radial-gradient(900px 500px at 100% 0%, rgba(0,212,255,0.18), transparent);
}
.aa-hero-title { font-size: clamp(32px, 4vw, 56px); line-height: 1.05; margin: 0 0 14px; font-weight: 900; letter-spacing: -0.5px; }
.aa-hero-sub { margin: 0 0 22px; color: var(--aa-text-dim); font-size: 16px; }
.aa-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Ambient overlays */
.aa-hero-noise { pointer-events: none; position: absolute; inset: 0; background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="160" height="160" viewBox="0 0 160 160"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="2" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.025"/></svg>'); mix-blend-mode: soft-light; }
.aa-hero-gradient { pointer-events: none; position: absolute; inset: -20% -10% auto -10%; height: 65%; background: radial-gradient(60% 60% at 20% 0%, rgba(124,77,255,0.25), transparent 70%), radial-gradient(50% 50% at 80% 0%, rgba(0,212,255,0.25), transparent 70%); filter: blur(28px); }
.aa-hero-vignette { pointer-events: none; position: absolute; inset: 0; box-shadow: inset 0 0 180px rgba(0,0,0,0.6); }
.aa-hero-glow { pointer-events: none; position: absolute; inset: -10% -10% auto -10%; height: 50%; background: radial-gradient(40% 40% at 30% 10%, rgba(0,212,255,0.20), transparent 70%); filter: blur(24px); opacity: 0.7; }
.aa-hero-grid { pointer-events: none; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(60% 60% at 50% 0%, #000, transparent 70%); }
.aa-hero-shimmer { pointer-events: none; position: absolute; inset: 0; background: linear-gradient(120deg, transparent, rgba(255,255,255,0.06), transparent); transform: translateX(-100%); animation: aaShimmer 6s linear infinite; }
.aa-hero-edge { pointer-events: none; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent); }

@keyframes aaShimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

/* Sections */
.aa-section { position: relative; padding: 56px 0; border-top: 1px solid var(--aa-border); background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent); }
.aa-section-edge { position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent); }
.aa-section-head { margin-bottom: 22px; }
.aa-section-title { margin: 0 0 6px; font-size: 24px; letter-spacing: 0.2px; }
.aa-section-sub { margin: 0; color: var(--aa-text-dim); font-size: 15px; }

/* Cards */
.aa-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.aa-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid var(--aa-border);
  border-radius: var(--aa-radius);
  padding: 18px;
  box-shadow: var(--aa-shadow);
}
.aa-card:hover { border-color: rgba(0,212,255,0.5); box-shadow: 0 10px 34px rgba(0,212,255,0.08); }
.aa-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.aa-card-title { margin: 0; font-size: 16px; letter-spacing: 0.2px; }
.aa-card-badge { font-size: 12px; color: var(--aa-text-dim); border: 1px solid var(--aa-border); padding: 4px 8px; border-radius: 999px; }
.aa-card-text { margin: 8px 0 12px; color: var(--aa-text-dim); font-size: 14px; min-height: 42px; }
.aa-card-meta { color: var(--aa-text-dim); font-size: 12px; margin-bottom: 12px; }
.aa-card-cta { display: inline-block; text-decoration: none; font-weight: 800; color: var(--aa-accent); }
.aa-card-cta:hover { text-decoration: underline; }

/* Grid helpers */
.aa-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }

.aa-feature { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); border: 1px solid var(--aa-border); border-radius: var(--aa-radius); padding: 18px; box-shadow: var(--aa-shadow); }
.aa-feature h3 { margin: 0 0 8px; font-size: 16px; }
.aa-feature p { margin: 0; color: var(--aa-text-dim); font-size: 14px; }

/* Footer */
.aa-footer { border-top: 1px solid var(--aa-border); background: rgba(255,255,255,0.02); }
.aa-footer-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.aa-footer-brand { font-weight: 900; letter-spacing: 0.2px; }
.aa-footer-meta { color: var(--aa-text-dim); font-size: 13px; }

/* Responsive tweaks */
@media (max-width: 640px) {
  .aa-header-inner { height: 60px; }
  .aa-nav { gap: 12px; }
  .aa-hero { padding: 72px 0 40px; }
}