.page-header{margin:14px 0 var(--space-2);gap:0;display:grid}.collapsible-section{--collapsible-duration:.3s;--collapsible-easing:cubic-bezier(.4, 0, .2, 1);margin-top:var(--space-4);margin-bottom:var(--space-3)}.collapsible-section>summary{justify-content:space-between;align-items:center;gap:var(--space-2);border-bottom:1px solid var(--surface-border);color:var(--fg);cursor:pointer;padding-bottom:var(--space-1);list-style:none;display:flex;position:relative}.collapsible-section>summary:after{content:"";background:var(--accent);transform-origin:0;height:2px;transition:transform var(--collapsible-duration) var(--collapsible-easing);position:absolute;bottom:-2px;left:0;right:0;transform:scaleX(0)}.collapsible-section>summary:hover:after,.collapsible-section>summary:focus-visible:after{transform:scaleX(1)}.collapsible-section>summary::-webkit-details-marker{display:none}#main-content .collapsible-section>summary h2{flex:1;margin:0}.collapsible-section>summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.collapsible-section-toggle{width:14px;height:14px;color:var(--accent);flex:none;position:relative}.collapsible-section-toggle:before,.collapsible-section-toggle:after{content:"";width:12px;height:2px;transition:transform var(--collapsible-duration) var(--collapsible-easing);background:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.collapsible-section-toggle:after{transform:translate(-50%,-50%)rotate(90deg)}.collapsible-section.is-open .collapsible-section-toggle:after{transform:translate(-50%,-50%)rotate(0)}.collapsible-section-content{overflow-anchor:none;height:auto;transition:height var(--collapsible-duration) var(--collapsible-easing), padding-top var(--collapsible-duration) var(--collapsible-easing);padding-top:0;overflow:hidden}.collapsible-section:not([open])>.collapsible-section-content{display:none}.collapsible-section.is-open>.collapsible-section-content{padding-top:var(--space-1)}.collapsible-section-content-inner{min-height:0;overflow:hidden}#main-content .page-header h1{margin-bottom:0}#main-content p{margin-bottom:var(--space-2);line-height:1.7}#main-content a:not(.social-links a):not(.content-card-title a){color:var(--link-color);font-weight:700;text-decoration:none;transition:color .3s;position:relative}#main-content a:not(.social-links a):not(.content-card-title a):hover{color:var(--link-hover-color);text-decoration:none}#main-content a:not(.social-links a):not(.content-card-title a):after{content:"";background-color:var(--link-color);transform-origin:0 100%;width:100%;height:2px;transition:transform .3s ease-in-out,background-color .2s;position:absolute;bottom:-2px;left:0;transform:scaleX(0)}#main-content a:not(.social-links 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a:hover:before{transform:scaleX(1)}#main-content .social-links a:visited{color:var(--link-color)}#main-content .social-links a:hover{color:var(--link-hover-color)}#main-content .social-links a span{display:inline-block}.social-links-icon{flex:none;width:12px;height:12px}.content-card{--content-card-gap:calc(var(--space-1) / 2);align-items:flex-start;gap:var(--space-3);border-style:solid;border-width:1px 0;border-color:var(--surface-border);padding:var(--space-2) var(--space-4);margin-bottom:var(--space-2);transition:var(--transition-theme);box-shadow:none;background:0 0;border-radius:0;flex-direction:row;display:flex;position:relative;overflow:hidden}.content-card:before{content:"";background-image:var(--selection-gradient);transform-origin:0;pointer-events:none;z-index:-1;transition:transform .35s 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li{padding-left:var(--space-3);font-size:.88em;line-height:1.6;position:relative}#main-content .content-card-body ul:not(.tag-list) li:before{content:"";background-color:var(--accent);width:8px;height:2px;transition:background-color .3s;position:absolute;top:.75em;left:0}#main-content .content-card-body>p:not(.content-card-title):not(.content-card-subtitle):not(.content-card-date){color:var(--fg-muted);font-size:.88em;line-height:1.6}#main-content .tag-list{gap:var(--space-1);flex-wrap:wrap;margin:0;padding:0;display:flex}.tag-list li{background-color:var(--chip-bg);color:var(--fg-muted);transition:var(--transition-theme);text-transform:none;letter-spacing:0;text-align:center;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;margin-bottom:0;padding:6px 12px;font-size:.8em;font-weight:600;line-height:1;display:inline-flex}.tag-list li:before,#main-content .tag-list li:before{content:none}#main-content .tag-list li:hover{border-color:var(--accent-soft);color:var(--accent)}.related-skills{gap:var(--content-card-gap);flex-direction:column;display:flex}.related-skills h5{color:var(--fg-muted);text-transform:uppercase;letter-spacing:.12em;margin:0;font-size:.75em;font-weight:600;transition:color .3s}.related-skills .tag-list{gap:var(--space-1)}.project-links{gap:var(--content-card-gap);flex-direction:column;align-items:flex-start;font-size:.88em;line-height:1.6;display:flex}.project-links a{align-self:flex-start;font-weight:600;line-height:1.3}.project-links a:after{bottom:-2px}@media (width<=768px){.content-card{padding:var(--space-2) var(--space-3);gap:var(--space-1)}.content-card-image{height:clamp(28px,6vw,40px)}.content-card-image-stack img{height:clamp(16px,3vw,22px)}.related-skills .tag-list{gap:var(--space-1)}.tag-list li{padding:4px 10px;font-size:.7em}}