.elementor-478 .elementor-element.elementor-element-538be6a{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;}.elementor-478 .elementor-element.elementor-element-538be6a:not(.elementor-motion-effects-element-type-background), .elementor-478 .elementor-element.elementor-element-538be6a > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:transparent;background-image:linear-gradient(135deg, var( --e-global-color-secondary ) 0%, var( --e-global-color-c9108fc ) 100%);}.elementor-478 .elementor-element.elementor-element-5e0be4a{--display:flex;--flex-direction:column;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--align-items:center;}.elementor-widget-heading .elementor-heading-title{font-family:var( --e-global-typography-primary-font-family ), Sans-serif;font-weight:var( --e-global-typography-primary-font-weight );color:var( --e-global-color-primary );}.elementor-478 .elementor-element.elementor-element-d1513aa .elementor-heading-title{font-family:"Inter", Sans-serif;font-size:13px;font-weight:400;text-transform:uppercase;}.elementor-478 .elementor-element.elementor-element-a097fc8 .elementor-heading-title{font-family:"Inter", Sans-serif;font-size:38px;font-weight:800;color:var( --e-global-color-text );}.elementor-widget-text-editor{font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-weight:var( --e-global-typography-text-font-weight );color:var( --e-global-color-text );}.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:var( --e-global-color-primary );}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap, .elementor-widget-text-editor.elementor-drop-cap-view-default .elementor-drop-cap{color:var( --e-global-color-primary );border-color:var( --e-global-color-primary );}.elementor-478 .elementor-element.elementor-element-cdbf849{--display:flex;--flex-direction:row;--container-widget-width:initial;--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--gap:0px 0px;--row-gap:0px;--column-gap:0px;}.elementor-478 .elementor-element.elementor-element-b3680f3{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;border-style:solid;--border-style:solid;border-width:0px 1px 0px 0px;--border-top-width:0px;--border-right-width:1px;--border-bottom-width:0px;--border-left-width:0px;border-color:var( --e-global-color-c7dea85 );--border-color:var( --e-global-color-c7dea85 );}.elementor-478 .elementor-element.elementor-element-b3680f3:not(.elementor-motion-effects-element-type-background), .elementor-478 .elementor-element.elementor-element-b3680f3 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:var( --e-global-color-secondary );}.elementor-478 .elementor-element.elementor-element-1614f8d{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--margin-top:048px;--margin-bottom:80px;--margin-left:52px;--margin-right:052px;}@media(min-width:768px){.elementor-478 .elementor-element.elementor-element-5e0be4a{--width:100%;}.elementor-478 .elementor-element.elementor-element-b3680f3{--width:240px;}.elementor-478 .elementor-element.elementor-element-1614f8d{--width:1199px;}}/* Start custom CSS for container, class: .elementor-element-1614f8d */.elementor-478 .elementor-element.elementor-element-1614f8d {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}/* End custom CSS */
/* Start custom CSS *//* ── Physics Notes — shared helpers ── */
.pn-formula {
  background: #1c2330;
  border: 1px solid #30363d;
  border-left: 3px solid #f97316;
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-family: Consolas, monospace;
  font-size: 13px;
  color: #e6edf3;
  margin: 16px 0;
  overflow-x: auto;
  line-height: 1.7;
  white-space: pre;
}
.pn-formula .pn-comment { color: #8b949e; font-size: 11px; }

.pn-note {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 13px;
  color: #8b949e;
  line-height: 1.7;
  margin: 18px 0;
}
.pn-note strong { color: #3b82f6; }

.pn-tip {
  background: rgba(63,185,80,0.06);
  border: 1px solid rgba(63,185,80,0.25);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 13px;
  color: #8b949e;
  line-height: 1.7;
  margin: 18px 0;
}
.pn-tip strong { color: #3fb950; }

.pn-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 13px; }
.pn-table th {
  background: #1c2330;
  color: #e6edf3;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 9px 14px;
  text-align: left;
  border-bottom: 2px solid #30363d;
}
.pn-table td {
  padding: 9px 14px;
  border-bottom: 1px solid #30363d;
  color: #8b949e;
  vertical-align: top;
}
.pn-table td:first-child { color: #e6edf3; font-weight: 600; }
.pn-table tr:last-child td { border-bottom: none; }
.pn-table .mono { font-family: Consolas, monospace; font-size: 12px; color: #f97316; }

.pn-badge {
  display: inline-block;
  font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
  padding: 2px 7px; border-radius: 3px; margin-left: 6px; vertical-align: middle;
  background: rgba(249,115,22,0.15); color: #f97316; border: 1px solid rgba(249,115,22,0.3);
}

.pn-body p { font-size: 14px; color: #8b949e; line-height: 1.85; margin-bottom: 14px; }
.pn-body strong { color: #e6edf3; }
.pn-body h3 {
  font-size: 16px; font-weight: 700; color: #e6edf3;
  margin: 32px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #30363d;
}
.pn-body h4 { font-size: 13px; font-weight: 700; color: #e6edf3; margin: 18px 0 8px; }
.pn-body a { color: #f97316; text-decoration: none; }
.pn-body a:hover { text-decoration: underline; }/* End custom CSS */