:root {
    --rotary-blue: #17458f;
    --rotary-blue-dark: #12366f;
    --rotary-gold: #f7a81b;
    --rotary-gold-dark: #d88f08;
    --ink: #202938;
    --muted: #5f6b7a;
    --surface: #ffffff;
    --surface-soft: #f5f7fa;
    --border: #dfe5ec;
    --shadow: 0 18px 45px rgba(23, 69, 143, 0.12);
    --radius: 20px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--surface);
    line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; }
h1 { font-size: clamp(2.6rem, 5vw, 4.8rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 3vw, 3.1rem); letter-spacing: -0.03em; }
h3 { font-size: 1.35rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }