/* Cinematic layers remain purely decorative; the research is always readable. */
.hero{isolation:isolate;min-height:min(810px,calc(100svh - 88px));background:#050a13}
.hero-media{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-media picture{display:block;width:100%;height:100%}
.hero-media .hero-image,.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:67% 50%}
.hero-media .hero-image{opacity:.84}
.hero-video{opacity:0;transition:opacity 1.2s ease;filter:saturate(.9)}
.hero-video.is-playing{opacity:.87}
.hero:after{z-index:1;background:linear-gradient(90deg,#080e18fa 0%,#080e18d9 24%,#080e1859 54%,#080e180a 85%),linear-gradient(0deg,#080e18,transparent 35%)}
.hero-content{z-index:3;padding:100px 0 125px}
.hero h1{max-width:850px;font-size:clamp(72px,8.6vw,124px);text-shadow:0 4px 50px #03091580}
.hero h1 em{background:linear-gradient(110deg,#e5f8ff 0%,#9cceff 42%,#bcf7ec 75%,#d8b77c);background-clip:text;-webkit-background-clip:text;color:transparent}
.hero p{color:#c2cedd;max-width:465px;text-wrap:pretty}
.hero .kicker{color:#d6e9fa}
.hero .button{background:linear-gradient(115deg,#d1ebff,#95d8f8);border-color:#d1ebff;box-shadow:0 0 40px #91cdfd14;border-radius:3px}
.hero .text-link{color:#e6eff9}
.hero-controls{position:absolute;z-index:4;bottom:28px;left:0;right:0;display:flex;justify-content:space-between;align-items:center;gap:14px}
.motion-toggle{min-height:44px;padding:10px 16px;border:1px solid #accff446;border-radius:24px;background:#080e18a8;backdrop-filter:blur(12px);color:#d4e6f9;font-size:12px;letter-spacing:.025em}
.motion-toggle:disabled{cursor:default;color:#adc0d4}
.motion-label{color:#a8bed2;font-size:10px;letter-spacing:.16em;text-transform:uppercase}
.motion-label:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;margin:0 10px 2px 0;background:#add8fb;box-shadow:0 0 12px #add8fb80}
.hero-orbits{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden;opacity:.55}
.hero-orbits i{position:absolute;left:69%;top:49%;width:min(48vw,700px);aspect-ratio:1;border:1px solid #a6c9ec28;border-radius:50%;transform:translate(-50%,-50%) rotate(-25deg) scaleY(.45)}
.hero-orbits i:nth-child(2){width:min(59vw,850px);transform:translate(-50%,-50%) rotate(30deg) scaleY(.6);border-style:dashed;border-color:#a6c9ec1c}
.hero-orbits i:nth-child(3){width:min(68vw,980px);transform:translate(-50%,-50%) rotate(-52deg) scaleY(.5);border-color:#d8b77c25}
.hero-orbits i:before{content:'';position:absolute;top:50%;left:-3px;width:6px;height:6px;border-radius:50%;background:#c9eaff;box-shadow:0 0 16px #a6dcff}
.motion-enabled .hero-orbits i{animation:orbit-drift 34s linear infinite}
.motion-enabled .hero-orbits i:nth-child(2){animation:orbit-drift 46s linear reverse infinite}
.motion-enabled .hero-orbits i:nth-child(3){animation:orbit-drift 60s linear infinite}
@keyframes orbit-drift{to{rotate:360deg}}
.motion-paused .hero-orbits i{animation-play-state:paused!important}
.motion-enabled .hero-content{animation:arrival .85s ease both}
@keyframes arrival{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.reveal-ready{transition:opacity .75s ease,transform .75s cubic-bezier(.2,.7,.2,1)}
.motion-enabled .reveal-ready:not(.is-visible){opacity:0;transform:translateY(24px)}
.feature:nth-child(2){transition-delay:75ms}.feature:nth-child(3){transition-delay:150ms}
.feature{overflow:hidden;border-radius:6px;background:linear-gradient(145deg,#132235,#0c1522)}
.feature picture{display:block;overflow:hidden}
.feature-image{transition:transform .8s cubic-bezier(.2,.7,.2,1);opacity:.9}
@media(hover:hover) and (pointer:fine){.feature:hover .feature-image{transform:scale(1.055)}.feature:hover{box-shadow:0 20px 70px #0003;border-color:#73b9f273}.button:hover{box-shadow:0 4px 28px #9cceff20}}
.read-link span[aria-hidden]{transition:transform .25s}.feature:hover .read-link span[aria-hidden]{transform:translate(3px,-3px)}
.index-bar{background:linear-gradient(90deg,#0d1725,#0b1320);position:relative}
.index-bar:before{content:'';height:1px;position:absolute;top:-1px;left:10%;right:10%;background:linear-gradient(90deg,transparent,#97d3ff90,transparent)}
.start-section{background:radial-gradient(ellipse at 12% 20%,#17365066,transparent 60%),#0d1623}
.section-head h2,.start-layout h2{text-wrap:balance}
.paper-source-shortcut{margin-top:24px;display:none}
@media(max-width:760px){.hero h1{font-size:clamp(54px,15.5vw,88px)}.hero:after{background:linear-gradient(0deg,#080e18 0%,#080e18ed 20%,#080e1890 58%,#080e1820 90%)}.hero-media .hero-image,.hero-video{object-position:50% 27%}.hero-orbits{opacity:.3}.hero-orbits i{left:50%;top:28%;width:95vw}.hero-orbits i:nth-child(2){width:120vw}.hero-orbits i:nth-child(3){width:140vw}.hero-controls{bottom:20px}.motion-label{font-size:9px;letter-spacing:.08em}.paper-source-shortcut{display:inline-flex}.feature picture{width:100%}.feature:nth-child(2),.feature:nth-child(3){transition-delay:0s}}
@media(prefers-reduced-motion:reduce){.hero-video{display:none}.reveal-ready{opacity:1!important;transform:none!important}.hero-orbits i,.hero-content{animation:none!important}*,*:before,*:after{transition:none!important}}