:root{--navy:#081a2e;--navy2:#0d2745;--blue:#0e68d3;--sky:#4ca1ff;--ink:#14202b;--muted:#5e6f7f;--line:#dbe5ee;--pale:#f3f7fb;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.58}a{color:inherit}.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,5vw,72px);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;line-height:.85;min-width:155px}.epcm-logo-word{display:block;font-family:Arial 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