:root {
    --bg: #02080d;
    --blue: #009dff;
    --cyan: #2ad9ff;
    --pink: #f100d2;
    --orange: #ff6b00;
    --text: #f7fbff;
    --muted: #9aabba;
}

* { box-sizing: border-box; }

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
}

body {
    overflow: hidden;
    color: var(--text);
    background:
        radial-gradient(circle at 50% 46%, rgba(0, 118, 201, .17), transparent 29%),
        linear-gradient(135deg, #02070c 0%, #03101a 48%, #02070d 100%);
    font-family: "DM Sans", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
        linear-gradient(118deg, transparent 0 31%, rgba(0, 156, 255, .06) 31.1% 31.25%, transparent 31.35% 100%),
        linear-gradient(118deg, transparent 0 73%, rgba(0, 156, 255, .05) 73.1% 73.25%, transparent 73.35% 100%);
}

a { color: inherit; text-decoration: none; }

#particle-field,
.grain {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#particle-field { z-index: -2; opacity: .75; }

.grain {
    z-index: 20;
    opacity: .028;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
    mix-blend-mode: soft-light;
}

.page-shell {
    width: min(1680px, 100%);
    height: 100svh;
    min-height: 650px;
    margin: 0 auto;
    padding: 0 clamp(24px, 3.5vw, 64px) 22px;
    display: grid;
    grid-template-rows: 84px 1fr 92px;
}

.site-header {
    z-index: 12;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.mini-brand {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    font: 900 italic 28px/.9 "Inter", sans-serif;
    letter-spacing: -2.2px;
    transform: skew(-5deg);
}

.mini-brand strong { color: var(--blue); }

.mini-o {
    width: .66em;
    height: .66em;
    margin: 0 .03em;
    display: inline-grid;
    place-items: center;
    position: relative;
    top: .03em;
    border-radius: 50%;
    color: #03101a;
    background: var(--blue);
    font-size: .58em;
    font-style: normal;
}

.header-tagline {
    color: rgba(255, 255, 255, .46);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.header-cta {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, .84);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .8px;
    text-transform: uppercase;
    transition: color .2s;
}

.header-cta:hover { color: white; }

.play-dot {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: white;
    color: #007ed8;
    box-shadow: 0 0 22px rgba(0, 157, 255, .3);
    transition: transform .2s;
}

.header-cta:hover .play-dot { transform: scale(1.08); }

.play-dot svg { width: 14px; margin-left: 2px; fill: currentColor; }

.hero {
    min-height: 0;
    position: relative;
    display: grid;
    place-items: center;
    isolation: isolate;
}

.hero::before {
    display: none;
}

.hero::after {
    display: none;
}

.space-art {
    position: absolute;
    top: 0;
    right: calc(50% - 50vw);
    bottom: 0;
    left: calc(50% - 50vw);
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%);
}

.nebula {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .12;
    animation: nebula-drift 12s ease-in-out infinite alternate;
}

.nebula-one {
    width: 34vw;
    height: 24vw;
    left: -8%;
    top: 18%;
    background: #006fe8;
}

.nebula-two {
    width: 29vw;
    height: 22vw;
    right: -5%;
    bottom: 10%;
    background: #4b15a9;
    animation-delay: -5s;
}

.moon-disc {
    width: min(49vw, 720px);
    aspect-ratio: 1;
    position: absolute;
    left: 50%;
    top: 49%;
    overflow: hidden;
    border-radius: 50%;
    background:
        linear-gradient(90deg, rgba(0, 7, 12, .5), rgba(12, 70, 99, .14)),
        url("https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004720/lroc_color_2k.jpg") center / auto 100% no-repeat,
        #02080d;
    box-shadow:
        inset -28px 0 55px rgba(55, 182, 245, .15),
        inset 12px 0 35px rgba(0, 0, 0, .8),
        22px 0 60px rgba(0, 133, 210, .08);
    transform: translate(-50%, -50%);
    opacity: .72;
}

.moon-disc::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    border: 1px solid rgba(82, 181, 229, .08);
    border-radius: inherit;
    box-shadow: inset -5px 0 10px rgba(102, 214, 255, .13);
}

.moon-disc::after {
    content: "";
    position: absolute;
    z-index: 1;
    width: 97%;
    height: 97%;
    left: -7%;
    top: 1.5%;
    border-radius: 50%;
    background: rgba(1, 7, 12, .79);
    box-shadow: inset -24px 0 34px rgba(0, 32, 49, .5);
}

.moon-disc i {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
    background:
        radial-gradient(circle at 74% 45%, rgba(78, 177, 222, .08), transparent 38%),
        radial-gradient(circle at 52% 48%, transparent 42%, rgba(0, 3, 7, .38) 83%, rgba(0, 2, 5, .72) 100%);
}

.shooting-star {
    width: 140px;
    height: 1px;
    position: absolute;
    opacity: 0;
    background: linear-gradient(90deg, transparent, rgba(122, 215, 255, .2), #dff9ff);
    filter: drop-shadow(0 0 5px #4ed6ff);
    transform: rotate(-31deg);
    animation: shoot 8s ease-in infinite;
}

.shooting-star::after {
    content: "";
    width: 3px;
    height: 3px;
    position: absolute;
    right: 0;
    top: -1px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 0 8px #80e8ff;
}

.shooting-star-one { left: 7%; top: 28%; }
.shooting-star-two { right: 8%; bottom: 28%; animation-delay: -4.5s; }

.planet-horizon {
    width: 740px;
    height: 180px;
    position: absolute;
    left: 50%;
    bottom: -120px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 10%, rgba(14, 66, 105, .5), #020a11 58%);
    box-shadow: 0 -2px 25px rgba(27, 169, 255, .2);
    opacity: .55;
}

.hero-center {
    width: min(690px, 54vw);
    z-index: 5;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-kicker {
    margin: 12px 0 9px;
    color: var(--cyan);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 4.5px;
    text-transform: uppercase;
}

.main-brand {
    margin: 0;
    display: flex;
    align-items: center;
    font: 900 italic clamp(72px, 8.8vw, 146px)/.78 "Inter", sans-serif;
    letter-spacing: clamp(-10px, -.65vw, -4px);
    filter: drop-shadow(0 18px 22px rgba(0, 0, 0, .65));
    transform: skew(-5deg);
    white-space: nowrap;
}

.logo-fact {
    color: #f5f5f7;
    text-shadow: 0 2px 0 white;
}

.logo-jolt {
    color: var(--blue);
    text-shadow: 0 2px 0 #24b3ff, 0 0 35px rgba(0, 157, 255, .22);
}

.logo-o {
    width: .67em;
    height: .67em;
    margin: 0 .02em;
    display: inline-grid;
    place-items: center;
    position: relative;
    top: .025em;
    border-radius: 50%;
    color: #03101a;
    background: linear-gradient(145deg, #19c6ff, #0089ef);
    box-shadow: inset 0 2px rgba(255, 255, 255, .35), 0 0 35px rgba(0, 157, 255, .2);
}

.logo-o i {
    font-size: .56em;
    font-style: normal;
    text-shadow: none;
    animation: bolt-pop 3s ease-in-out infinite;
}

.brand-line {
    margin: 17px 0 0;
    display: flex;
    align-items: center;
    gap: 17px;
    color: rgba(255, 255, 255, .94);
    font-size: clamp(16px, 1.45vw, 24px);
    font-style: italic;
    font-weight: 500;
    letter-spacing: 8px;
    text-transform: uppercase;
}

.brand-line span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 12px var(--blue);
}

.hero-copy {
    margin: 25px 0 23px;
    color: var(--muted);
    font-size: clamp(13px, 1vw, 16px);
    line-height: 1.65;
}

.primary-cta {
    min-width: 226px;
    height: 56px;
    padding: 0 15px;
    display: inline-flex;
    align-items: center;
    gap: 13px;
    position: relative;
    overflow: hidden;
    border-radius: 999px;
    background: linear-gradient(120deg, #0098f9, #0074ed);
    box-shadow: 0 14px 38px rgba(0, 119, 255, .3), inset 0 1px rgba(255, 255, 255, .3);
    color: white;
    font-size: 13px;
    font-weight: 800;
    transition: transform .2s, box-shadow .2s;
}

.primary-cta::before {
    content: "";
    position: absolute;
    top: -100%;
    bottom: -100%;
    left: -40px;
    width: 24px;
    background: rgba(255, 255, 255, .75);
    filter: blur(7px);
    transform: rotate(20deg);
    animation: button-shine 4s ease-in-out infinite 1.5s;
}

.primary-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 48px rgba(0, 119, 255, .42), inset 0 1px rgba(255, 255, 255, .35);
}

.youtube-icon {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: white;
    color: #0583eb;
}

.youtube-icon svg { width: 14px; margin-left: 2px; fill: currentColor; }
.cta-arrow { margin-left: auto; font-size: 18px; }

.atom-mark {
    width: 52px;
    height: 40px;
    position: relative;
    margin-bottom: 2px;
}

.atom-mark > i {
    width: 7px;
    height: 7px;
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 2;
    border-radius: 50%;
    background: white;
    box-shadow: 0 0 13px var(--cyan);
    transform: translate(-50%, -50%);
}

.atom-orbit {
    position: absolute;
    inset: 11px 0;
    border: 1.5px solid rgba(91, 218, 255, .72);
    border-radius: 50%;
}

.orbit-b { transform: rotate(60deg); }
.orbit-c { transform: rotate(120deg); }

.science-scene {
    position: absolute;
    z-index: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .16);
    background: #07111a;
    box-shadow: 0 28px 60px rgba(0, 0, 0, .5), inset 0 0 40px rgba(255, 255, 255, .04);
    transition: transform .25s ease-out, filter .25s;
    will-change: transform;
}

.science-scene::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(255, 255, 255, .16), transparent 25% 75%, rgba(0, 0, 0, .24));
    pointer-events: none;
}

.scene-name {
    display: none;
}

.scene-chem {
    width: clamp(250px, 22vw, 360px);
    height: 77%;
    left: -7%;
    top: 9%;
    clip-path: polygon(0 0, 82% 0, 100% 100%, 18% 100%);
    background:
        radial-gradient(circle at 34% 70%, rgba(255, 72, 0, .32), transparent 26%),
        linear-gradient(160deg, #081927, #03101b 62%, #190523);
}

.scene-space {
    width: clamp(260px, 24vw, 390px);
    height: 68%;
    left: 13.5%;
    top: 16%;
    clip-path: polygon(0 0, 85% 0, 100% 100%, 15% 100%);
    background: radial-gradient(circle at 45% 44%, #183e72 0, #071325 27%, #02060d 70%);
}

.scene-light {
    width: clamp(255px, 22vw, 350px);
    height: 72%;
    right: 14%;
    top: 14%;
    clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
    background: radial-gradient(circle at 55% 78%, #1b2d6a 0, #061425 30%, #02070d 72%);
}

.scene-tech {
    width: clamp(250px, 21vw, 340px);
    height: 77%;
    right: -6%;
    top: 9%;
    clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
    background:
        radial-gradient(circle at 42% 45%, rgba(0, 182, 255, .28), transparent 32%),
        linear-gradient(145deg, #13234b, #06121e 60%, #15062c);
}

.beaker {
    width: 145px;
    height: 245px;
    position: absolute;
    left: 38%;
    top: 48%;
    transform: translate(-50%, -50%) rotate(-4deg);
    filter: drop-shadow(0 18px 25px rgba(0, 0, 0, .55));
}

.beaker-neck {
    width: 54px;
    height: 68px;
    position: absolute;
    left: 46px;
    top: 0;
    border: 4px solid rgba(213, 244, 255, .74);
    border-bottom: 0;
    border-radius: 7px 7px 0 0;
    box-shadow: inset 8px 0 12px rgba(0, 177, 255, .08);
}

.beaker-neck::before {
    content: "";
    position: absolute;
    left: -8px;
    right: -8px;
    top: -6px;
    height: 9px;
    border: 3px solid rgba(220, 247, 255, .86);
    border-radius: 5px;
}

.beaker-glass {
    width: 145px;
    height: 190px;
    position: absolute;
    bottom: 0;
    overflow: hidden;
    border: 4px solid rgba(213, 244, 255, .7);
    border-top: 0;
    border-radius: 38% 38% 42% 42% / 15% 15% 13% 13%;
    background: linear-gradient(100deg, rgba(255, 255, 255, .16), transparent 24% 72%, rgba(255, 255, 255, .1));
    box-shadow: inset 12px 0 20px rgba(108, 221, 255, .08), inset -9px 0 18px rgba(255, 255, 255, .05);
}

.beaker-glass::before {
    content: "";
    position: absolute;
    inset: 58px -10px -10px;
    background: linear-gradient(to bottom, #004fff, #5b00eb 45%, #ff006f 72%, #ff6a00);
    box-shadow: 0 -5px 15px rgba(0, 198, 255, .7);
}

.ink {
    position: absolute;
    z-index: 2;
    border-radius: 48% 52% 60% 40%;
    filter: blur(8px);
    mix-blend-mode: screen;
    animation: ink-float 5s ease-in-out infinite alternate;
}

.ink-blue { width: 105px; height: 90px; left: -20px; top: 40px; background: #00c8ff; }
.ink-pink { width: 100px; height: 120px; right: -24px; top: 75px; background: #f500c5; animation-delay: -2s; }
.ink-orange { width: 80px; height: 65px; left: 24px; bottom: -10px; background: #ff7800; animation-delay: -3.5s; }

.bubble {
    position: absolute;
    z-index: 3;
    bottom: 20px;
    border: 1px solid rgba(255, 255, 255, .72);
    border-radius: 50%;
    animation: bubbles 4s ease-in infinite;
}

.bubble-a { width: 12px; height: 12px; left: 30px; }
.bubble-b { width: 7px; height: 7px; left: 87px; animation-delay: -1.4s; }
.bubble-c { width: 16px; height: 16px; left: 61px; animation-delay: -2.7s; }

.stars {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 18% 22%, white 0 1px, transparent 1.5px),
        radial-gradient(circle at 72% 12%, #84d7ff 0 1px, transparent 1.5px),
        radial-gradient(circle at 83% 63%, white 0 1px, transparent 1.5px),
        radial-gradient(circle at 31% 76%, #79bfff 0 1px, transparent 1.5px),
        radial-gradient(circle at 57% 39%, white 0 1px, transparent 1.5px);
    background-size: 74px 82px, 103px 91px, 87px 113px, 126px 97px, 91px 69px;
}

.galaxy {
    width: 235px;
    height: 145px;
    position: absolute;
    left: 49%;
    top: 48%;
    border-radius: 50%;
    background:
        radial-gradient(ellipse, #fff 0 2%, #ffe8b0 4%, #ff9d41 7%, rgba(87, 147, 255, .75) 15%, rgba(17, 75, 170, .25) 38%, transparent 61%),
        conic-gradient(from 20deg, transparent, rgba(68, 142, 255, .8), transparent 20%, rgba(180, 108, 255, .55), transparent 43%, rgba(41, 126, 255, .7), transparent 70%);
    box-shadow: 0 0 55px rgba(22, 99, 255, .42);
    transform: translate(-50%, -50%) rotate(-20deg);
    animation: galaxy-pulse 8s ease-in-out infinite alternate;
}

.galaxy::before,
.galaxy::after {
    content: "";
    position: absolute;
    inset: 24% -8%;
    border: 9px solid rgba(60, 136, 255, .26);
    border-left-color: rgba(255, 153, 71, .5);
    border-radius: 50%;
    filter: blur(4px);
    transform: rotate(8deg);
}

.galaxy::after { inset: 36% -22%; border-width: 3px; opacity: .65; transform: rotate(-7deg); }

.emitter {
    width: 105px;
    height: 150px;
    position: absolute;
    z-index: 3;
    left: 50%;
    top: -15px;
    transform: translateX(-50%) rotate(6deg);
    background: repeating-linear-gradient(90deg, #141a22 0 9px, #64717d 10px 14px, #0b1017 15px 21px);
    clip-path: polygon(18% 0, 82% 0, 100% 73%, 73% 100%, 27% 100%, 0 73%);
    box-shadow: 0 20px 30px black;
}

.emitter::after {
    content: "";
    position: absolute;
    width: 56px;
    height: 28px;
    left: 24px;
    bottom: 5px;
    border-radius: 50%;
    background: radial-gradient(circle, white 0 10%, #3bdcff 23%, #0062ff 49%, #020b16 70%);
    box-shadow: 0 0 22px #00a6ff;
}

.light-beam {
    width: 45px;
    height: 73%;
    position: absolute;
    z-index: 2;
    left: 51%;
    top: 120px;
    background: linear-gradient(90deg, transparent, #11aaff 25%, white 48%, #7d78ff 65%, transparent);
    clip-path: polygon(40% 0, 60% 0, 100% 100%, 0 100%);
    filter: blur(3px) drop-shadow(0 0 14px #008cff);
    transform: translateX(-50%) rotate(6deg);
    transform-origin: top;
    animation: beam-pulse 2.8s ease-in-out infinite;
}

.light-flare {
    width: 160px;
    height: 100px;
    position: absolute;
    left: 53%;
    bottom: 1%;
    border-radius: 50%;
    background: radial-gradient(circle, #fff 0 3%, #ffb146 9%, #8a49ff 22%, rgba(28, 89, 255, .22) 48%, transparent 72%);
    filter: blur(4px);
    transform: translateX(-50%);
}

.circuit-grid {
    position: absolute;
    inset: 0;
    opacity: .42;
    background-image:
        linear-gradient(rgba(57, 196, 255, .25) 1px, transparent 1px),
        linear-gradient(90deg, rgba(57, 196, 255, .25) 1px, transparent 1px);
    background-size: 32px 32px;
    transform: perspective(400px) rotateX(58deg) scale(1.6);
}

.crystal {
    width: 180px;
    height: 180px;
    position: absolute;
    left: 49%;
    top: 47%;
    transform: translate(-50%, -50%) rotate(12deg);
    clip-path: polygon(50% 0, 93% 22%, 100% 72%, 60% 100%, 9% 87%, 0 35%);
    background:
        conic-gradient(from 35deg at 58% 47%, #55ebff, #6b48ff 19%, #ff4cce 34%, #00baff 52%, #ffb833 68%, #07e5f5 84%, #55ebff);
    box-shadow: 0 0 50px rgba(0, 170, 255, .54);
    animation: crystal-float 5s ease-in-out infinite;
}

.crystal::before {
    content: "";
    position: absolute;
    inset: 7px;
    clip-path: inherit;
    background:
        linear-gradient(130deg, rgba(255, 255, 255, .8), transparent 24%),
        repeating-linear-gradient(65deg, transparent 0 17px, rgba(255, 255, 255, .2) 18px 19px),
        radial-gradient(circle at 36% 31%, white, transparent 8%),
        rgba(9, 25, 56, .46);
    mix-blend-mode: screen;
}

.chalk {
    position: absolute;
    z-index: -1;
    color: rgba(216, 228, 237, .22);
    font-family: cursive;
    font-size: clamp(26px, 2.5vw, 44px);
    font-style: italic;
    transform: rotate(-7deg);
}

.chalk-energy { left: 3%; top: 3%; }
.chalk-force { right: 4%; bottom: 5%; transform: rotate(5deg); }

.chalk-wave {
    width: 150px;
    position: absolute;
    z-index: -1;
    right: 3%;
    top: 3%;
    opacity: .18;
}

.chalk-wave path { fill: none; stroke: #d9e6ee; stroke-width: 2; }

.topic-bar {
    z-index: 10;
    align-self: end;
    min-height: 76px;
    padding: 8px clamp(18px, 3vw, 50px);
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    align-items: center;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 18px;
    background: rgba(7, 17, 27, .74);
    box-shadow: 0 18px 45px rgba(0, 0, 0, .25), inset 0 1px rgba(255, 255, 255, .04);
    backdrop-filter: blur(18px);
}

.topic {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #aab7c3;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .6px;
    text-transform: uppercase;
}

.topic-icon {
    width: 35px;
    height: 35px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #12b6ff;
    background: rgba(0, 157, 255, .1);
    box-shadow: inset 0 0 0 1px rgba(45, 186, 255, .23);
    transition: transform .2s, background .2s;
}

.topic:hover .topic-icon { transform: translateY(-3px); background: rgba(0, 157, 255, .18); }

.topic-icon svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.45;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.reveal {
    opacity: 0;
    transform: translateY(14px);
    animation: reveal .65s cubic-bezier(.2, .72, .25, 1) forwards;
}

.reveal-1 { animation-delay: .05s; }
.reveal-2 { animation-delay: .11s; }
.reveal-3 { animation-delay: .18s; }
.reveal-4 { animation-delay: .25s; }
.reveal-5 { animation-delay: .32s; }

@keyframes reveal { to { opacity: 1; transform: translateY(0); } }
@keyframes bolt-pop { 50% { transform: scale(1.15); filter: drop-shadow(0 0 5px white); } }
@keyframes ink-float { to { transform: translate(12px, -20px) scale(1.14) rotate(16deg); } }
@keyframes bubbles { 0% { transform: translateY(0) scale(.6); opacity: 0; } 20% { opacity: .8; } 100% { transform: translateY(-120px) scale(1.2); opacity: 0; } }
@keyframes galaxy-pulse { to { transform: translate(-50%, -50%) rotate(-14deg) scale(1.08); filter: saturate(1.25); } }
@keyframes beam-pulse { 50% { opacity: .7; filter: blur(5px) drop-shadow(0 0 22px #008cff); } }
@keyframes crystal-float { 50% { transform: translate(-50%, -55%) rotate(16deg) scale(1.04); filter: hue-rotate(18deg); } }
@keyframes button-shine { 0%, 60% { left: -40px; } 85%, 100% { left: calc(100% + 40px); } }
@keyframes nebula-drift { to { transform: translate(9%, -5%) scale(1.12); } }
@keyframes shoot {
    0%, 70% { opacity: 0; translate: -70px 50px; }
    74% { opacity: 1; }
    86%, 100% { opacity: 0; translate: 180px -110px; }
}

@media (max-width: 1100px) {
    .page-shell { grid-template-rows: 74px 1fr 84px; padding-inline: 22px; }
    .hero-center { width: min(650px, 68vw); }
    .main-brand { font-size: clamp(70px, 10vw, 110px); }
    .topic { font-size: 7px; gap: 6px; }
}

@media (max-width: 760px) {
    body { overflow: hidden; }

    .page-shell {
        min-height: 620px;
        padding: 0 15px 14px;
        grid-template-rows: 68px 1fr 72px;
    }

    .site-header { grid-template-columns: 1fr auto; }
    .mini-brand { font-size: 25px; }
    .header-tagline { display: none; }
    .header-cta { font-size: 0; gap: 0; }
    .play-dot { width: 36px; height: 36px; }

    .hero-center {
        width: 100%;
        padding: 0 5px;
    }

    .atom-mark { width: 44px; height: 34px; }
    .hero-kicker { margin-top: 8px; font-size: 8px; letter-spacing: 3px; }

    .main-brand {
        font-size: clamp(62px, 20vw, 86px);
        letter-spacing: -5px;
    }

    .brand-line { margin-top: 14px; gap: 10px; font-size: 12px; letter-spacing: 4.2px; }
    .brand-line span { width: 5px; height: 5px; }
    .hero-copy { max-width: 345px; margin: 22px 0 21px; font-size: 12px; line-height: 1.55; }
    .hero-copy br { display: none; }
    .primary-cta { min-width: 211px; height: 52px; }

    .nebula { opacity: .16; }
    .nebula-one { width: 78vw; height: 56vw; left: -45%; top: 15%; }
    .nebula-two { width: 76vw; height: 56vw; right: -42%; bottom: 8%; }
    .moon-disc { width: 500px; top: 48%; opacity: .66; }

    .topic-bar {
        min-height: 64px;
        padding: 5px 8px;
        border-radius: 14px;
    }

    .topic { font-size: 0; }
    .topic-icon { width: 33px; height: 33px; }
}

@media (max-height: 760px) and (min-width: 761px) {
    .page-shell { min-height: 590px; grid-template-rows: 68px 1fr 76px; padding-bottom: 14px; }
    .atom-mark { transform: scale(.8); margin-bottom: -5px; }
    .hero-kicker { margin: 6px 0; }
    .main-brand { font-size: clamp(66px, 8vw, 115px); }
    .brand-line { margin-top: 12px; }
    .hero-copy { margin: 17px 0; line-height: 1.5; }
    .primary-cta { height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
    .reveal { opacity: 1; transform: none; }
}