.air-sec{position:relative;border-top:1px solid var(--line)}.air-stage{position:relative;height:380vh}.air-pin{position:sticky;top:0;height:100vh;overflow:hidden;display:grid;align-content:center;gap:clamp(.7rem,1.6vh,1.4rem);padding-top:4.5rem}.air-grid{display:grid;gap:clamp(.8rem,2vw,1.8rem);align-items:center;grid-template-columns:1fr}@media (min-width: 900px){.air-grid{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}}.air-frame{position:relative;justify-self:center;aspect-ratio:478 / 850;height:min(56vh,620px);background:#05050a;border:1px solid var(--line);overflow:hidden;transform:scale(calc(.97 + .03 * var(--air-engage, 1)));will-change:transform}@media (max-width: 899px){.air-frame{height:min(44vh,420px)}}.air-frame:before{content:"";position:absolute;inset:0;background:url(/assets/airena-2026-highlights.jpg) center / cover no-repeat;opacity:.9}#air-canvas{position:relative;z-index:1;display:block;width:100%;height:100%;opacity:0;transition:opacity .4s ease}.air-corner{position:absolute;z-index:3;width:18px;height:18px;border:1px solid var(--line-hi);opacity:calc(.3 + .5 * var(--air-engage, 1));pointer-events:none}.air-corner--tl{top:6px;left:6px;border-right:0;border-bottom:0}.air-corner--tr{top:6px;right:6px;border-left:0;border-bottom:0}.air-corner--bl{bottom:6px;left:6px;border-right:0;border-top:0}.air-corner--br{bottom:6px;right:6px;border-left:0;border-top:0}.air-badge{position:absolute;z-index:3;top:10px;left:50%;transform:translate(-50%);padding:.25rem .55rem;background:#050507b8;border:1px solid var(--line);font-family:ui-monospace,monospace;font-size:var(--step--1);letter-spacing:.1em;color:var(--text-2);white-space:nowrap}.air-badge b{color:var(--signal-tx);font-weight:500}.air-phases{list-style:none;display:grid;gap:.5rem;margin:0;padding:0}.air-phase{position:relative;padding:.6rem .8rem .6rem 1rem;border:1px solid var(--line);border-left:2px solid var(--line-hi);background:color-mix(in srgb,var(--panel) 70%,transparent);opacity:.62;transition:opacity .35s ease,border-color .35s ease,transform .35s ease}.air-phase[data-on]{opacity:1;border-left-color:var(--signal);transform:translate(3px)}.air-phase-n{font-family:ui-monospace,monospace;font-size:var(--step--1);letter-spacing:.12em;color:var(--text-3)}.air-phase[data-on] .air-phase-n{color:var(--signal-tx)}.air-phase h3{font-size:var(--step-0);font-weight:500;margin:.1rem 0 .25rem}.air-phase p{font-size:var(--step--1);color:var(--text-2);margin:0}.air-phase-bar{position:absolute;left:-2px;top:0;bottom:0;width:2px;background:transparent}.air-phase[data-on] .air-phase-bar:before{content:"";position:absolute;top:0;left:0;right:0;height:calc(var(--air-ph, 0) * 100%);background:var(--signal)}.air-course{display:block;width:100%;height:auto;margin-top:.5rem;opacity:.32;transition:opacity .3s ease}.air-phase[data-on] .air-course{opacity:1}.air-course .air-draw{fill:none;stroke:var(--signal);stroke-width:2.4;stroke-linecap:round}.air-course .air-guide{fill:none;stroke:var(--line-hi);stroke-width:1;stroke-dasharray:3 4}.air-course .air-mark{fill:var(--gold, #D9A748);opacity:0;transform:scale(.4);transform-origin:center;transform-box:fill-box;transition:opacity .25s ease,transform .25s ease}.air-course .air-mark[data-on]{opacity:.95;transform:scale(1)}.air-tel{display:grid;gap:.55rem;padding:.8rem;border:1px solid var(--line);background:color-mix(in srgb,var(--panel) 70%,transparent);font-family:ui-monospace,monospace;font-size:var(--step--1);color:var(--text-2)}.air-tel-h{letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}.air-node{display:flex;gap:.5rem;align-items:baseline}.air-node b{color:var(--text);font-weight:500}.air-node span{color:var(--text-3)}.air-wire{position:relative;height:16px;border-top:1px solid var(--line-hi);margin:.2rem 0}.air-wire i{position:absolute;top:-3px;left:0;width:5px;height:5px;background:var(--signal);animation:air-packet 1.8s linear infinite}.air-wire i:nth-child(2){animation-delay:.9s}@keyframes air-packet{0%{transform:translate(0);opacity:0}12%{opacity:1}88%{opacity:1}to{transform:translate(calc(100cqw - 5px));opacity:0}}.air-wire{container-type:inline-size}.air-tel[data-air-link=publish]{border-color:color-mix(in srgb,var(--signal) 55%,var(--line))}.air-tel[data-air-link=publish] .air-wire i{animation-duration:.7s}.air-tel[data-air-link=publish] .air-state b{color:var(--signal-tx)}.air-state b{color:var(--text);font-weight:500}#air-topic{color:var(--gold, #D9A748);word-break:break-all}.air-hud{display:flex;align-items:center;gap:1rem;font-family:ui-monospace,monospace;font-size:var(--step--1);color:var(--text-3);letter-spacing:.04em}.air-bar{position:relative;flex:1;height:12px;background:#f0eff20f}.air-ticks{position:absolute;inset:0;background-image:linear-gradient(90deg,transparent 0 34%,var(--line-hi) 34% calc(34% + 1px),transparent calc(34% + 1px) 67%,var(--line-hi) 67% calc(67% + 1px),transparent calc(67% + 1px) 100%);pointer-events:none}.air-bar i{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--signal)}.air-bar b{position:absolute;top:0;bottom:0;left:calc(var(--air-p, 0) * 100%);width:1px;margin-left:-.5px;background:var(--signal)}.air-read{flex:none;opacity:.85;color:var(--text-2)}@media (max-width: 899px){.air-pin{padding-top:4.2rem;gap:.6rem}.air-frame{order:-1;height:min(38vh,340px)}.air-phase:not([data-on]){display:none}.air-phase{padding:.5rem .7rem .5rem .8rem}.air-phase p{font-size:var(--step--1)}.air-course{margin-top:.35rem}.air-tel{padding:.6rem;gap:.35rem}.air-wire{height:12px}.air-hud{flex-wrap:wrap;gap:.5rem 1rem}.air-hud #air-phase-read{order:3;flex-basis:100%}}@media (prefers-reduced-motion: reduce){.air-stage{height:auto}.air-pin{position:static;height:auto;padding-top:1rem}.air-frame{transform:none}.air-phase{opacity:1;transform:none}.air-phase:not([data-on]){display:block}.air-course{opacity:1}.air-course .air-mark{opacity:.95;transform:none}.air-wire i{animation:none;opacity:1}.air-bar b{display:none}}