/* V1R8: integrated wave hero and illuminated frequency grid */
.landing-grid{grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr);gap:18px}.landing-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.landing-topic{min-height:123px}.landing-copy h1{font-size:clamp(34px,4vw,60px)}.landing-grid>.hero-visual{height:440px;max-width:none;width:100%;margin:35px 0 0;overflow:visible;border:0;background:radial-gradient(ellipse at center,#5840a32b,transparent 70%);box-shadow:none;--hero-hue:0deg;transition:filter .6s}.landing-grid .wave-art{width:118%;max-width:none;height:110%;position:absolute;left:-9%;top:-5%;filter:drop-shadow(0 0 7px #57ddd940) hue-rotate(var(--hero-hue));transition:filter .7s}.hero-visual[data-tone=ntn]{--hero-hue:65deg}.hero-visual[data-tone="6g"]{--hero-hue:30deg}.hero-visual[data-tone=quantum]{--hero-hue:175deg}.landing-grid .hero-grid{opacity:.12;mask-image:radial-gradient(ellipse,#000,transparent 65%)}.landing-grid .hero-caption{bottom:4px;left:0;right:0;justify-content:center;font-size:11px;letter-spacing:.08em}.landing-grid .scan-beam{left:12%;right:12%;width:76%;height:1px;box-shadow:0 0 14px 2px #7df7ff77;background:linear-gradient(90deg,transparent,#9efff8,transparent)}.wave-particles circle{offset-distance:0%;animation:waveTravel 10s linear infinite;filter:drop-shadow(-4px 0 4px #87ffff)}@keyframes waveTravel{0%{offset-distance:0%;opacity:0}15%,85%{opacity:1}100%{offset-distance:100%;opacity:0}}.landing-grid .custom-hero{max-width:100%;max-height:100%;border-radius:24px}.spectrum-rail{height:116px;background:repeating-linear-gradient(90deg,#699ec015 0 1px,transparent 1px 20px),repeating-linear-gradient(0deg,#699ec015 0 1px,transparent 1px 20px),linear-gradient(90deg,transparent,#244a65aa,transparent);border-radius:12px;overflow:visible}.spectrum-active{border-width:2px;background:repeating-linear-gradient(90deg,#b5fcff24 0 1px,transparent 1px 20px),repeating-linear-gradient(0deg,#b5fcff24 0 1px,transparent 1px 20px),linear-gradient(115deg,#1598a8bb,#2165a9bb 55%,#764cafaa);box-shadow:inset 0 0 24px #8dfaf533,0 0 28px #46e1f326;transition:box-shadow .4s}.spectrum-active strong{font-size:clamp(18px,2vw,29px);letter-spacing:.04em;color:#edffff;text-shadow:0 3px 3px #05293f,0 0 18px #6effefbb;white-space:nowrap}.spectrum-active svg{opacity:.3}.spectrum-active:hover{box-shadow:inset 0 0 32px #8dfaf555,0 0 34px #46e1f34a}.spectrum-boundaries{position:relative;font-size:12px}.spectrum-boundaries:before,.spectrum-boundaries:after{content:'';position:absolute;bottom:-13px;width:6px;height:6px;border-radius:50%;background:#bffffa;box-shadow:0 0 10px #68fff1;z-index:3}.spectrum-boundaries:before{left:-2px}.spectrum-boundaries:after{right:-2px}.spectrum-bandwidth{justify-content:center;border:solid #73cdda77;border-width:0 1px 1px;height:16px;position:relative;margin-top:9px;margin-bottom:20px}.spectrum-bandwidth strong{background:#102332;padding:0 10px;position:relative;top:7px;font-size:13px;color:#eddfaa}.spectrum-side{background:transparent!important}.u6-about .spectrum-rail{height:150px}
@media(max-width:800px){.landing-grid{grid-template-columns:1fr}.landing-grid>.hero-visual{height:280px;max-width:520px;margin:0 auto}.landing-grid .wave-art{width:100%;left:0;height:100%;top:0}}@media(max-width:520px){.landing-topics{grid-template-columns:1fr}.landing-topic{min-height:100px}.landing-grid>.hero-visual{height:235px}.spectrum-rail{height:90px}.spectrum-active strong{font-size:17px}.spectrum-boundaries{font-size:10px}}@media(prefers-reduced-motion:reduce){.wave-particles circle{animation:none;opacity:0}.landing-grid .wave-art,.landing-grid>.hero-visual{transition:none}}
.learning .spectrum-rail{height:150px}.no-motion .wave-particles{display:none}