:root {
    color-scheme: dark;
    --ink: #020608;
    --ink-soft: #071014;
    --panel: rgba(8, 18, 22, .82);
    --line: rgba(103, 226, 255, .24);
    --line-strong: rgba(103, 226, 255, .64);
    --cyan: #63e2ff;
    --cyan-bright: #b6f5ff;
    --white: #f5fbfc;
    --muted: #9aadB3;
    --warm: #f0a249;
    --shell: min(1180px, calc(100vw - 48px));
    --header-height: var(--hc-site-header-height, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--ink); color: var(--white); font-family: "Segoe UI", Inter, Arial, sans-serif; }
a { color: inherit; }
img, video, svg { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.hero { position: relative; min-height: 760px; display: flex; align-items: center; overflow: hidden; padding: calc(var(--header-height) + 76px) 0 96px; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #020608 0%, rgba(2,6,8,.88) 38%, rgba(2,6,8,.22) 72%, rgba(2,6,8,.48) 100%), linear-gradient(0deg, #020608 0, transparent 32%); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .22; background-image: linear-gradient(rgba(99,226,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(99,226,255,.055) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent 5%, #000 48%, transparent 95%); }
.hero__backdrop { position: absolute; inset: -9% -4%; z-index: -2; background: url("/web-assets/assets/welcome/images/asteroid-orbit.png") center/cover no-repeat; will-change: transform; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 690px) 1fr; align-items: center; }
.hero__copy { position: relative; z-index: 2; max-width: 690px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 19px; color: var(--cyan); font-size: .72rem; font-weight: 900; letter-spacing: .27em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.hero h1, .story-section h2, .final-cta h2 { margin: 0; font-family: Impact, "Arial Narrow", sans-serif; font-weight: 900; letter-spacing: .025em; line-height: .92; text-transform: uppercase; }
.hero h1 { font-size: clamp(4.2rem, 7.1vw, 7rem); text-shadow: 0 8px 32px #000; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px var(--cyan); text-shadow: 0 0 26px rgba(99,226,255,.14); }
.hero__lead { max-width: 590px; margin: 27px 0 32px; color: #bdc9cc; font-size: clamp(1rem, 1.25vw, 1.12rem); line-height: 1.75; }
.button-row { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 0 24px; border: 1px solid var(--line-strong); color: var(--white); font-size: .73rem; font-weight: 900; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px)); transition: transform .2s, color .2s, background-color .2s, box-shadow .2s; }
.button svg { width: 17px; height: 17px; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 0 26px rgba(99,226,255,.18); }
.button--primary { background: var(--cyan); border-color: var(--cyan); color: #001116; box-shadow: 0 0 24px rgba(99,226,255,.18); }
.button--primary:hover, .button--primary:focus-visible { background: var(--cyan-bright); }
.button--ghost { background: rgba(3,12,15,.58); }
.mode-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 27px; }
.mode-chips span { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid var(--line); color: #a9b9bd; background: rgba(3,11,14,.56); font-size: .65rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.mode-chips svg { width: 17px; height: 17px; color: var(--cyan); }
.scroll-cue { position: absolute; bottom: 23px; left: 50%; display: grid; justify-items: center; gap: 8px; color: #829399; font-size: .58rem; font-weight: 800; letter-spacing: .18em; text-decoration: none; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { width: 1px; height: 28px; background: linear-gradient(var(--cyan), transparent); }

.entry-points { position: relative; z-index: 4; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: -38px; }
.feature-card { min-height: 122px; display: grid; grid-template-columns: 48px 1fr 22px; align-items: center; gap: 16px; padding: 24px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(10,25,30,.96), rgba(3,9,11,.95)); color: var(--white); text-decoration: none; clip-path: polygon(0 0, calc(100% - 13px) 0, 100% 13px, 100% 100%, 0 100%); transition: border-color .2s, transform .2s, background .2s; }
.feature-card:hover, .feature-card:focus-visible { border-color: var(--cyan); transform: translateY(-4px); background: linear-gradient(135deg, rgba(12,35,42,.98), rgba(3,9,11,.98)); }
.feature-card__icon { width: 42px; height: 42px; color: var(--cyan); }
.feature-card strong, .feature-card small { display: block; }
.feature-card strong { margin-bottom: 8px; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.feature-card small { color: var(--muted); font-size: .75rem; line-height: 1.45; }
.feature-card__arrow { width: 20px; height: 20px; color: var(--cyan); transition: transform .2s; }
.feature-card:hover .feature-card__arrow { transform: translateX(4px); }

.story-section { position: relative; padding: 92px 0; overflow: hidden; }
.story-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 20% 40%, rgba(26,108,129,.08), transparent 30%); }
.section-grid { display: grid; grid-template-columns: minmax(0,.82fr) minmax(520px,1.18fr); align-items: center; gap: clamp(50px, 7vw, 110px); }
.section-grid--reverse { grid-template-columns: minmax(520px,1.18fr) minmax(0,.82fr); }
.section-copy { position: relative; z-index: 1; }
.section-index { margin: 0 0 34px; color: #506268; font: 700 .64rem/1 monospace; letter-spacing: .18em; text-transform: uppercase; }
.story-section h2, .final-cta h2 { font-size: clamp(3rem, 5.5vw, 5.8rem); }
.section-copy > p:not(.eyebrow, .section-index), .center-heading > p:not(.eyebrow, .section-index), .final-cta__content > p:not(.eyebrow) { color: var(--muted); font-size: 1rem; line-height: 1.75; }
.detail-list { display: grid; gap: 13px; padding: 0; margin: 28px 0; list-style: none; color: #c8d3d6; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.detail-list li { display: flex; align-items: center; gap: 12px; }
.detail-list li::before { content: ""; width: 18px; height: 1px; background: var(--cyan); }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 8px; color: var(--cyan); font-size: .72rem; font-weight: 900; letter-spacing: .13em; text-decoration: none; text-transform: uppercase; }
.text-link svg { width: 20px; height: 20px; transition: transform .2s; }
.text-link:hover svg, .text-link:focus-visible svg { transform: translateX(5px); }
.media-frame { position: relative; min-width: 0; padding: 8px; border: 1px solid var(--line); background: #03090b; clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%); box-shadow: 0 24px 70px rgba(0,0,0,.42); }
.media-frame::before { content: ""; position: absolute; inset: -1px; z-index: 2; pointer-events: none; background: linear-gradient(130deg, rgba(99,226,255,.19), transparent 20%, transparent 80%, rgba(99,226,255,.12)); }
.media-frame video { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.media-frame__chrome { display: flex; justify-content: space-between; padding: 12px 5px 5px; color: #62777d; font: 700 .58rem/1 monospace; letter-spacing: .12em; }
.story-section--media { padding-top: 112px; background: linear-gradient(#020608, #050c0f 60%, #020608); }

.center-heading { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.center-heading .eyebrow { justify-content: center; }
.center-heading .eyebrow::after { content: ""; width: 34px; height: 1px; background: var(--cyan); }
.survival-card h3 { margin: 0 0 12px; font-size: 1.05rem; letter-spacing: .13em; text-transform: uppercase; }
.survival-card p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.65; }

.story-section--survival { background: #050b0d; }
.survival-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.survival-card { border: 1px solid var(--line); background: #03080a; overflow: hidden; }
.survival-card__visual { position: relative; aspect-ratio: 16/8.8; overflow: hidden; background: #060d10; }
.survival-card__visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, #03080a, transparent 52%); pointer-events: none; }
.survival-card__visual video, .survival-card__visual img { display: block; width: 100%; height: 100%; object-fit: cover; }
.survival-card__visual--boss { display: grid; place-items: center; background: radial-gradient(circle, rgba(72,33,111,.45), #030609 65%); }
.survival-card__visual--boss img { width: 95%; filter: drop-shadow(0 0 25px rgba(146,89,255,.35)); }
.survival-card > div:last-child { position: relative; padding: 26px 28px 30px; }
.survival-card > div:last-child svg { position: absolute; top: 24px; right: 24px; width: 35px; height: 35px; color: var(--cyan); }

.story-section--legacy { display: flex; align-items: center; background: #020608; }
.legacy-glow { position: absolute; inset: -10%; background: radial-gradient(circle at 74% 50%, rgba(52,156,184,.15), transparent 28%), url("/web-assets/assets/welcome/images/cosmic-battlefield.png") right center/65% auto no-repeat; opacity: .38; will-change: transform; }
.story-section--legacy::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #020608 20%, rgba(2,6,8,.72) 56%, rgba(2,6,8,.35)); }
.legacy-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 70px; }
.badge-showcase { display: flex; align-items: center; justify-content: center; gap: 10px; }
.badge-showcase > div { flex: 1; min-width: 0; text-align: center; }
.badge-showcase svg { width: 100%; max-height: 190px; filter: drop-shadow(0 18px 22px #000); overflow: visible; }
.badge-showcase span { display: block; margin-top: 12px; color: #afc0c5; font-size: .6rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.badge-showcase__hero { transform: translateY(-22px) scale(1.15); }

.story-section--progression { background: linear-gradient(180deg, #020608, #061014 52%, #020608); }
.progression-visual { position: relative; min-height: 420px; border: 1px solid var(--line); overflow: hidden; clip-path: polygon(0 18px, 18px 0, 100% 0, 100% 100%, 0 100%); }
.progression-visual video { width: 100%; height: 100%; min-height: 420px; object-fit: cover; }
.progression-visual__label { position: absolute; top: 20px; left: 20px; display: flex; gap: 9px; align-items: center; padding: 8px 10px; background: rgba(2,6,8,.72); color: var(--cyan); font: 700 .62rem/1 monospace; letter-spacing: .14em; }
.progression-visual__label svg { width: 16px; height: 16px; }
.system-callout { display: flex; align-items: center; gap: 12px; margin: 28px 0; color: var(--cyan-bright); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.system-callout svg { width: 34px; height: 34px; color: var(--cyan); }

.final-cta { position: relative; min-height: 520px; display: grid; place-items: center; overflow: hidden; text-align: center; }
.final-cta__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.final-cta__overlay { position: absolute; inset: 0; background: radial-gradient(circle, rgba(2,6,8,.34), #020608 85%), linear-gradient(0deg, #020608, transparent 40%, #020608); }
.final-cta__content { position: relative; z-index: 1; max-width: 850px; padding-block: 100px; }
.final-cta__content .eyebrow { justify-content: center; }
.final-cta__content .eyebrow::after { content: ""; width: 34px; height: 1px; background: var(--cyan); }
.final-cta__content > p:not(.eyebrow) { max-width: 560px; margin: 24px auto 30px; }
.button-row--center { justify-content: center; }

.device-notice-open { overflow: hidden; }
.device-notice { position: fixed; z-index: 500; inset: 0; display: grid; place-items: center; padding: 20px; }
.device-notice[hidden] { display: none; }
.device-notice__backdrop { position: absolute; inset: 0; background: rgba(0, 5, 8, .78); backdrop-filter: blur(4px); }
.device-notice__panel { position: relative; width: min(560px, calc(100vw - 32px)); padding: clamp(32px, 7vw, 56px); border: 1px solid var(--line-strong); background: linear-gradient(145deg, rgba(10, 31, 38, .98), rgba(2, 10, 13, .98)); clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px)); box-shadow: inset 0 0 34px rgba(99,226,255,.06), 0 24px 80px rgba(0,0,0,.7), 0 0 28px rgba(99,226,255,.13); text-align: center; animation: device-notice-enter 180ms ease-out both; }
.device-notice__panel::after { content: ""; position: absolute; top: -1px; right: 24px; width: 96px; height: 1px; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.device-notice__eyebrow { margin: 0 0 10px; color: var(--cyan); font-size: .66rem; font-weight: 900; letter-spacing: .24em; }
.device-notice h2 { margin: 0; color: var(--white); font: 900 clamp(2rem, 8vw, 3.1rem)/1 Impact, "Arial Narrow", sans-serif; letter-spacing: .055em; }
.device-notice__divider { width: min(260px, 76%); height: 1px; margin: 24px auto; background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.device-notice__panel p:not(.device-notice__eyebrow) { margin: 0 auto 15px; color: #b7c7cb; font-size: .96rem; line-height: 1.6; }
.device-notice__panel .button { width: min(300px, 100%); margin-top: 16px; }
@keyframes device-notice-enter { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: none; } }


[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }

@media (max-width: 1100px) {
    :root { --shell: min(930px, calc(100vw - 40px)); }
    .hero__grid { grid-template-columns: minmax(0, 650px) 1fr; }
    .section-grid { grid-template-columns: .9fr 1.1fr; gap: 50px; }
    .section-grid--reverse { grid-template-columns: 1.1fr .9fr; }
}

@media (max-width: 860px) {
    :root { --shell: min(720px, calc(100vw - 34px)); }
    .hero { min-height: 700px; padding: calc(var(--header-height) + 60px) 0 78px; }
    .hero::before { background: linear-gradient(90deg, #020608 0, rgba(2,6,8,.86) 58%, rgba(2,6,8,.36)), linear-gradient(0deg, #020608 0, transparent 35%); }
    .hero__backdrop { background-position: 62% center; }
    .hero__grid { grid-template-columns: 1fr; }
    .hero__copy { max-width: 650px; }
    .hero h1 { font-size: clamp(4rem, 12vw, 6.5rem); }
    .hero__lead { max-width: 640px; margin: 21px 0 25px; }
    .scroll-cue { display: none; }
    .entry-points { grid-template-columns: 1fr; margin-top: 0; padding-top: 24px; }
    .feature-card { min-height: 104px; }
    .story-section { padding: 100px 0; }
    .story-section--media { padding-top: 110px; }
    .section-grid, .section-grid--reverse { grid-template-columns: 1fr; gap: 48px; }
    .section-grid--reverse .progression-visual { grid-row: 2; }
    .legacy-grid { grid-template-columns: 1fr; gap: 70px; }
    .legacy-glow { background-size: cover; }
    .story-section--legacy::after { background: rgba(2,6,8,.7); }
}

@media (max-width: 600px) {
    :root { --shell: calc(100vw - 30px); }
    .hero { min-height: 650px; padding-bottom: 65px; }
    .hero h1 { font-size: clamp(3.45rem, 17vw, 5rem); }
    .eyebrow { font-size: .62rem; letter-spacing: .2em; }
    .hero__lead { font-size: .92rem; line-height: 1.65; }
    .button-row { display: grid; grid-template-columns: 1fr; }
    .button { width: 100%; }
    .mode-chips { gap: 7px; }
    .mode-chips span { font-size: .57rem; }
    .feature-card { grid-template-columns: 42px 1fr 18px; padding: 20px; }
    .feature-card__icon { width: 36px; height: 36px; }
    .story-section { padding: 82px 0; }
    .story-section h2, .final-cta h2 { font-size: clamp(2.8rem, 14vw, 4.1rem); }
    .section-index { margin-bottom: 25px; }
    .center-heading { margin-bottom: 40px; }
    .center-heading .eyebrow::after { display: none; }
    .survival-grid { grid-template-columns: 1fr; }
    .survival-card > div:last-child { padding: 23px 21px 26px; }
    .badge-showcase { gap: 0; margin-inline: -10px; }
    .badge-showcase svg { max-height: 130px; }
    .badge-showcase__hero { transform: translateY(-13px) scale(1.09); }
    .badge-showcase span { font-size: .48rem; letter-spacing: .08em; }
    .progression-visual, .progression-visual video { min-height: 300px; }
    .final-cta { min-height: 500px; }
    .final-cta__content .eyebrow::after { display: none; }
}

@media (max-width: 370px) {
    :root { --shell: calc(100vw - 24px); }
    .hero h1 { font-size: 3.35rem; }
    .mode-chips span { padding-inline: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
    [data-parallax] { transform: none !important; }
}