/* Shared mobile navigation across the homepage and both calculators. */
.mobile-menu{display:none}
@media(max-width:1100px){
 header{position:relative;z-index:30;gap:16px}header>nav,header>.nav-cta{display:none}
 .mobile-menu{display:block;border:0;padding:0;margin:0 0 0 auto;color:var(--paper)}
 .mobile-menu>summary{display:flex;align-items:center;justify-content:center;gap:10px;list-style:none;min-height:44px;min-width:78px;padding:10px 0 10px 10px;font-size:13px;font-weight:600;cursor:pointer;user-select:none}
 .mobile-menu>summary::-webkit-details-marker{display:none}.mobile-menu>summary::marker{content:''}
 .mobile-menu[open]>summary{color:var(--gold)}.mobile-menu[open]>summary svg{transform:rotate(90deg)}
 .mobile-menu-panel{display:flex;flex-direction:column;gap:0;position:absolute;right:24px;top:calc(100% - 1px);width:min(340px,calc(100vw - 48px));max-height:calc(100dvh - 120px);overflow:auto;overscroll-behavior:contain;background:#0d3235;border:1px solid #e5b65d50;box-shadow:0 18px 40px #0005;padding:10px 20px;z-index:40;text-align:left}
 .mobile-menu:not([open])>.mobile-menu-panel{display:none}
 .mobile-menu-panel>a{display:block;padding:13px 2px;border-bottom:1px solid var(--line);font-size:14px;line-height:1.4;min-height:46px;white-space:normal}
 .mobile-menu-panel>a:last-child{border-bottom:0}.mobile-menu-panel>a:hover{color:var(--gold)}.mobile-menu-panel small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:4px}
 .mobile-menu-panel .mobile-join{color:var(--gold);font-weight:700;padding:17px 2px}
}
@media(max-width:650px){.mobile-menu-panel{right:18px;width:min(340px,calc(100vw - 36px));max-height:calc(100dvh - 100px)}.mobile-menu>summary{font-size:12px;gap:8px}}
@media(prefers-reduced-motion:reduce){.mobile-menu svg{transition:none}}

.link-arrow{font-style:normal}
@media(max-width:1100px){.link-arrow,.arrow{display:none!important}}

.lessons article{display:flex;gap:30px;align-items:center;padding:28px 8px;border-bottom:1px solid var(--line)}
@media(max-width:650px){.lessons article{gap:17px;padding:24px 0}}