:root {
    --bg: #f4f5f7;
    --bg-elevated: #ffffff;
    --bg-inverse: #111827;
    --text: #111827;
    --text-muted: #5b6472;
    --text-inverse: #f9fafb;
    --border: #e2e5eb;
    --border-strong: #c8ced8;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.04);
    --shadow: 0 4px 24px rgb(15 23 42 / 0.06);
    --shadow-lg: 0 20px 48px rgb(15 23 42 / 0.1);
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --container: 1120px;
    --nav-h: 68px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --accent: #059669;
    --hero-glow: rgb(37 99 235 / 0.12);
    --landing-enterprise: linear-gradient(155deg, #1e3a8a 0%, #2563eb 46%, #3b82f6 100%);
    --landing-sports: linear-gradient(155deg, #7f1d1d 0%, #b91c1c 46%, #e11d48 100%);
    --landing-bg: #1e293b;
}

.track-enterprise {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --accent: #059669;
    --hero-glow: rgb(37 99 235 / 0.14);
}

.track-sports {
    --primary: #dc2626;
    --primary-hover: #b91c1c;
    --accent: #d97706;
    --hero-glow: rgb(220 38 38 / 0.12);
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
    width: min(var(--container), 100% - 2.5rem);
    margin-inline: auto;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}