.shared-header{position:sticky;top:0;z-index:20;background:rgba(250,249,245,.94);backdrop-filter:blur(16px);border-bottom:1px solid #dddeda;color:#242b24}
.shared-header .znav-inner{box-sizing:border-box;max-width:1240px;margin:0 auto;padding:0 36px;height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",sans-serif;font-weight:400;letter-spacing:0;line-height:1.4}
.shared-header .znav-logo{display:flex;align-items:center;flex-shrink:0}.shared-header .znav-art{display:block;width:120px;height:auto}
.shared-header .znav-links{display:flex;align-items:center;gap:24px}
.shared-header .znav-links>a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;margin:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:#242b24;font:400 13px/1.4 -apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",sans-serif;letter-spacing:0;text-decoration:none;transform:none;transition:color 150ms cubic-bezier(.2,0,0,1)}
.shared-header .znav-links>a:hover{color:#72825f;background:transparent;box-shadow:none;transform:none}
.shared-header .znav-links>a.znav-consult{font-size:12px;min-height:38px;padding:10px 14px;border:1px solid #242424;border-radius:8px;background:#242424;color:#fff;transition:background-color 150ms cubic-bezier(.2,0,0,1)}
.shared-header .znav-links>a.znav-consult:hover{background:#3a3a3a;color:#fff}
.shared-header a:focus-visible{outline:2px solid #607f89;outline-offset:4px}
@media(max-width:900px){.shared-header .znav-links>a:not(.znav-blog):not(.znav-consult){display:none}.shared-header .znav-art{width:96px}.shared-header .znav-links{gap:16px}}
@media(max-width:600px){.shared-header .znav-inner{padding:0 20px;height:66px;gap:12px}.shared-header .znav-links{gap:16px}.shared-header .znav-links>a.znav-consult{font-size:10px;padding:9px 11px;min-height:36px}}
@media(prefers-reduced-motion:reduce){.shared-header .znav-links>a{transition:none}}

/* Shared text-link underline: grows from left without shifting layout. */
.shared-header .znav-links>a:not(.znav-consult){position:relative}
.shared-header .znav-links>a:not(.znav-consult)::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform 220ms cubic-bezier(.2,0,0,1);pointer-events:none}
.shared-header .znav-links>a:not(.znav-consult):is(:hover,:focus-visible)::after{transform:scaleX(1)}
@media(prefers-reduced-motion:reduce){.shared-header .znav-links>a:not(.znav-consult)::after{transition:none}}