/* index.css — Bili luxury landing */

:root {
    --bili-gold: #f2efbd;
    --bili-gold-dim: #d9d282;
    --bili-gold-muted: rgba(242, 239, 189, 0.14);
    --bili-black: #050505;
    --bili-elevated: #0c0c0c;
    --bili-surface: #111111;
    --bili-border: rgba(255, 255, 255, 0.08);
    --bili-text: rgba(245, 245, 245, 0.92);
    --bili-text-muted: rgba(245, 245, 245, 0.55);
    --bili-text-faint: rgba(245, 245, 245, 0.32);
    --font-display: "Playfair Display", "Georgia", "Times New Roman", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --section-pad: clamp(4.5rem, 10vw, 8rem);
    --content-max: 72rem;
    --nav-h: 4.5rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    background: var(--bili-black);
    color: var(--bili-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    overflow-x: hidden;
}

body.modal-open { overflow: hidden; }

img, video { display: block; max-width: 100%; height: auto; }

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

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Grain overlay */
.lux-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Navigation */
.lux-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    transition: background 0.45s var(--ease-out), backdrop-filter 0.45s var(--ease-out), border-color 0.45s;
    border-bottom: 1px solid transparent;
}

.lux-nav.is-scrolled {
    background: rgba(5, 5, 5, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: var(--bili-border);
}

.lux-nav__logo img {
    height: 1.75rem;
    width: auto;
}

.lux-nav__links {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.lux-nav__link {
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
    color: var(--bili-text-muted);
    transition: color 0.25s;
}

.lux-nav__link:hover { color: var(--bili-gold); }

.lux-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.72rem 1.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 999px;
    transition: transform 0.3s var(--ease-out), background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.lux-btn:active { transform: scale(0.98); }

.lux-btn--primary {
    background: var(--bili-gold);
    color: #0a0a0a;
}

.lux-btn--primary:hover {
    background: var(--bili-gold-dim);
    box-shadow: 0 0 40px rgba(242, 239, 189, 0.18);
}

.lux-btn--ghost {
    border: 1px solid var(--bili-border);
    color: var(--bili-text);
}

.lux-btn--ghost:hover {
    border-color: rgba(242, 239, 189, 0.35);
    color: var(--bili-gold);
}

.lux-btn--large {
    padding: 1rem 2rem;
    font-size: 0.875rem;
}

/* Layout */
.lux-section {
    position: relative;
    padding: var(--section-pad) clamp(1.25rem, 4vw, 2.5rem);
}

.lux-section__inner {
    max-width: var(--content-max);
    margin: 0 auto;
}

.lux-eyebrow {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--bili-gold-dim);
    margin: 0 0 1rem;
}

.lux-heading {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin: 0;
}

.lux-heading--xl {
    font-size: clamp(2.75rem, 7vw, 5.5rem);
}

.lux-heading--lg {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
}

.lux-heading--md {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.lux-heading em {
    font-style: italic;
    color: var(--bili-gold);
}

.lux-lead {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    line-height: 1.65;
    color: var(--bili-text-muted);
    max-width: 38rem;
    margin: 1.25rem 0 0;
}

.lux-divider {
    width: 4rem;
    height: 1px;
    background: linear-gradient(90deg, var(--bili-gold-dim), transparent);
    margin: 2rem 0;
}

/* Reveal animations */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

.lux-heading[data-reveal] {
    transform: none;
    transition: opacity 0.9s var(--ease-out);
}

.lux-heading[data-reveal] em,
.lux-hero__question[data-reveal],
.lux-reveal-from-left[data-reveal] {
    display: inline-block;
    opacity: 1;
    transform: none;
    -webkit-mask-image: linear-gradient(to right, #000 0%, #000 40%, transparent 100%);
    mask-image: linear-gradient(to right, #000 0%, #000 40%, transparent 100%);
    -webkit-mask-size: 280% 100%;
    mask-size: 280% 100%;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
    transition: -webkit-mask-position 1.1s var(--ease-out), mask-position 1.1s var(--ease-out);
}

.lux-heading[data-reveal].is-visible em,
.lux-hero__question[data-reveal].is-visible,
.lux-reveal-from-left[data-reveal].is-visible {
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
}

.lux-heading[data-reveal].is-visible em { transition-delay: 0.25s; }
.lux-heading[data-reveal-delay="1"].is-visible em { transition-delay: 0.35s; }

.lux-hero__question[data-reveal].is-visible { transition-delay: 0.35s; }
.lux-reveal-from-left[data-reveal-delay="2"].is-visible { transition-delay: 0.45s; }

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }

/* Hero */
.lux-hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    align-items: start;
    padding-top: calc(var(--nav-h) + 1rem);
    position: relative;
    overflow: hidden;
}

.lux-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.lux-hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 20%, rgba(242, 239, 189, 0.06), transparent 55%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(255, 255, 255, 0.03), transparent 50%),
        linear-gradient(180deg, #0a0a0a 0%, var(--bili-black) 100%);
}

.lux-hero__line {
    position: absolute;
    left: clamp(1.25rem, 4vw, 2.5rem);
    top: calc(var(--nav-h) + 1rem);
    bottom: 3rem;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(242, 239, 189, 0.25), transparent);
    transform-origin: top;
    transform: scaleY(0);
    animation: luxLineGrow 1.4s var(--ease-out) 0.4s forwards;
}

@keyframes luxLineGrow {
    to { transform: scaleY(1); }
}

.lux-hero__content {
    position: relative;
    z-index: 1;
    max-width: var(--content-max);
    margin: 0 auto;
    width: 100%;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    display: flex;
    flex-direction: column;
    min-height: calc(100dvh - var(--nav-h) - 1rem);
    gap: 3rem;
}

.lux-hero__visual {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
    margin-top: auto;
}

.lux-hero__hand {
    margin: 0;
    line-height: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
    pointer-events: auto;
}

.lux-hero__hand-stack {
    --hand-aspect: 1865 / 3014;
    position: relative;
    width: min(90vw, 540px);
    aspect-ratio: var(--hand-aspect);
    max-width: none;
    overflow: hidden;
    transform: translateY(4%);
    transform-origin: bottom center;
    isolation: isolate;
}

.lux-hero__hand-img {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: contain;
    object-position: bottom center;
    user-select: none;
    -webkit-user-drag: none;
}

.lux-hero__hand-img--robot {
    z-index: 0;
}

.lux-hero__hand-img--human {
    z-index: 1;
}

.lux-hero__hand-stack.is-reveal-active .lux-hero__hand-img--human {
    visibility: hidden;
    opacity: 0;
}

.lux-hero__hand-canvas {
    position: absolute;
    inset: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: none;
    pointer-events: auto;
    touch-action: none;
    cursor: crosshair;
}

@media (pointer: coarse) {
    .lux-hero__hand-stack {
        touch-action: pan-y;
    }

    .lux-hero__hand-stack.is-reveal-active .lux-hero__hand-canvas {
        pointer-events: none;
        touch-action: pan-y;
    }
}

.lux-hero__hand-stack.is-reveal-active .lux-hero__hand-canvas {
    display: block;
}

.lux-hero__copy {
    padding-top: clamp(2rem, 5vh, 4.5rem);
    margin-left: -0.5rem;
}

@media (min-width: 960px) {
    .lux-hero__content {
        display: block;
        min-height: calc(100dvh - var(--nav-h) - 1rem);
    }

    .lux-hero__copy {
        position: relative;
        z-index: 2;
        max-width: 36rem;
        padding-top: clamp(2.75rem, 8vh, 6rem);
        margin-left: clamp(-0.75rem, -2vw, -2rem);
    }

    .lux-hero__visual {
        position: absolute;
        bottom: 0;
        right: clamp(1.25rem, 4vw, 2.5rem);
        margin-top: 0;
        justify-content: flex-end;
        width: clamp(400px, 32vw, 550px);
    }

    .lux-hero__hand-stack {
        width: min(100%, calc((100dvh - var(--nav-h) - 1rem) * 1865 / 3014));
    }
}

.lux-hero__copy .lux-heading { max-width: 12ch; }

.lux-hero__question {
    display: block;
    margin-top: 0.5rem;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-style: italic;
    font-weight: 400;
    color: var(--bili-gold);
}

.lux-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.lux-hero__scroll {
    margin-top: 3rem;
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bili-text-faint);
}

.lux-hero__scroll span {
    display: inline-block;
    animation: luxPulse 2.4s ease-in-out infinite;
}

@keyframes luxPulse {
    0%, 100% { opacity: 0.35; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(4px); }
}

/* Media placeholder */
.lux-media {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
    background: var(--bili-surface);
    border: 1px solid var(--bili-border);
    aspect-ratio: 9 / 19.5;
    max-height: min(72vh, 640px);
    margin: 0 auto;
}

.lux-media--wide { aspect-ratio: 16 / 10; max-height: none; }
.lux-media--square { aspect-ratio: 1; max-height: none; }

.lux-media__inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    background:
        linear-gradient(135deg, rgba(242, 239, 189, 0.04) 0%, transparent 45%),
        repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(255,255,255,0.015) 23px, rgba(255,255,255,0.015) 24px);
}

.lux-media__label {
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--bili-gold-dim);
    margin-bottom: 0.75rem;
}

.lux-media__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0 0 0.5rem;
    color: var(--bili-text);
}

.lux-media__spec {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--bili-text-muted);
    max-width: 22rem;
    margin: 0;
}

.lux-media img,
.lux-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lux-media.has-asset .lux-media__inner { display: none; }

.lux-media-shot {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: min(72vh, 640px);
    height: auto;
    margin: 0 auto;
}

/* Video shell + skeleton (reserves space before load) */
.lux-video-shell {
    position: relative;
    display: block;
    width: min(100%, 320px);
    margin: 0 auto;
    aspect-ratio: 9 / 19.5;
    max-height: min(72vh, 640px);
    border-radius: clamp(2.85rem, 13%, 4.5rem);
    overflow: hidden;
}

.lux-video-shell--showcase {
    width: 100%;
    max-height: min(58vh, 480px);
}

.lux-video-skeleton {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
        105deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0.07) 40%,
        rgba(242, 239, 189, 0.05) 50%,
        rgba(255, 255, 255, 0.07) 60%,
        rgba(255, 255, 255, 0.03) 100%
    );
    background-size: 220% 100%;
    animation: lux-skeleton-shimmer 1.5s ease-in-out infinite;
    pointer-events: none;
    transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}

.lux-video-shell.is-loaded .lux-video-skeleton {
    opacity: 0;
    visibility: hidden;
}

.lux-video-shell.is-error .lux-video-skeleton {
    animation: none;
    background: rgba(255, 255, 255, 0.04);
}

@keyframes lux-skeleton-shimmer {
    0% { background-position: 120% 0; }
    100% { background-position: -120% 0; }
}

.lux-video-shell .lux-media-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
    border-radius: inherit;
}

.lux-video-shell.is-loaded .lux-media-video {
    opacity: 1;
}

.lux-media-video {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: min(72vh, 640px);
    height: auto;
    margin: 0 auto;
    border: none;
    border-radius: clamp(2.85rem, 13%, 4.5rem);
    background: transparent;
    object-fit: contain;
    vertical-align: top;
}

.lux-media-video--wide {
    max-height: min(50vh, 420px);
    border-radius: clamp(2.35rem, 9.5%, 3.65rem);
}

.lux-media-video--showcase {
    width: 100%;
    max-width: 100%;
    max-height: min(58vh, 480px);
    cursor: pointer;
}

.lux-media__glow {
    position: absolute;
    inset: -30%;
    background: radial-gradient(circle, rgba(242, 239, 189, 0.08), transparent 60%);
    pointer-events: none;
}

/* Statement band */
.lux-statement {
    border-top: 1px solid var(--bili-border);
    border-bottom: 1px solid var(--bili-border);
    background: var(--bili-elevated);
}

.lux-statement__text {
    font-family: var(--font-display);
    font-size: clamp(1.375rem, 3vw, 2rem);
    line-height: 1.45;
    font-weight: 400;
    color: var(--bili-text-muted);
    max-width: 52rem;
    margin: 0;
}

.lux-statement__text strong {
    color: var(--bili-text);
    font-weight: 500;
}

/* Metrics strip */
.lux-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--bili-border);
    border: 1px solid var(--bili-border);
    border-radius: 1rem;
    overflow: hidden;
}

@media (min-width: 768px) {
    .lux-metrics { grid-template-columns: repeat(4, 1fr); }
}

.lux-metric {
    background: var(--bili-elevated);
    padding: 1.75rem 1.25rem;
    text-align: center;
}

.lux-metric__value {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    color: var(--bili-gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.lux-metric__label {
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--bili-text-muted);
    line-height: 1.4;
}

.lux-metrics__sources {
    margin-top: 0.75rem;
    font-size: 0.625rem;
    letter-spacing: 0.03em;
    color: var(--bili-text-faint);
    line-height: 1.35;
    text-align: center;
}

/* Feature grid */
.lux-features {
    display: grid;
    gap: 1px;
    background: var(--bili-border);
    border: 1px solid var(--bili-border);
    border-radius: 1.25rem;
    overflow: hidden;
}

@media (min-width: 768px) {
    .lux-features { grid-template-columns: repeat(2, 1fr); }
}

.lux-feature {
    background: var(--bili-elevated);
    padding: clamp(1.75rem, 4vw, 2.5rem);
    transition: background 0.4s;
}

.lux-feature:hover { background: #101010; }

.lux-feature__num {
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    color: var(--bili-text-faint);
    margin-bottom: 1.25rem;
}

.lux-feature__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0 0 0.75rem;
}

.lux-feature__desc {
    font-size: 0.9375rem;
    color: var(--bili-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Split sections */
.lux-split {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 960px) {
    .lux-split {
        grid-template-columns: 1fr 1fr;
        gap: clamp(3rem, 6vw, 5rem);
    }

    .lux-split--reverse .lux-split__visual { order: 2; }
    .lux-split--reverse .lux-split__copy { order: 1; }
}

/* Chart panels */
.lux-chart-panel {
    background: var(--bili-surface);
    border: 1px solid var(--bili-border);
    border-radius: 1.25rem;
    padding: 1.5rem;
    overflow: hidden;
}

.lux-chart-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.lux-chart-panel__title {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--bili-text-muted);
    margin: 0;
}

.lux-chart-panel__value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--bili-gold);
    margin: 0;
}

.lux-chart-panel canvas {
    width: 100%;
    height: auto;
    display: block;
}

.lux-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--bili-text-muted);
}

.lux-chart-legend span::before {
    content: "";
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-right: 0.4rem;
    vertical-align: middle;
}

.lux-chart-legend .--essential::before { background: #4ade80; }
.lux-chart-legend .--partial::before { background: #fb923c; }
.lux-chart-legend .--unnecessary::before { background: #f87171; }

/* FHS gauge */
.lux-fhs {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 640px) {
    .lux-fhs { grid-template-columns: auto 1fr; }
}

.lux-fhs__score {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 4.5rem);
    font-weight: 500;
    color: var(--bili-gold);
    line-height: 1;
    text-align: center;
}

.lux-fhs__score small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bili-text-muted);
    margin-top: 0.5rem;
}

.lux-fhs svg { width: 100%; max-width: 280px; height: auto; }

/* Pillars */
.lux-pillars {
    display: grid;
    gap: 0;
}

@media (min-width: 768px) {
    .lux-pillars { grid-template-columns: repeat(4, 1fr); }
}

.lux-pillar {
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--bili-border);
}

@media (min-width: 768px) {
    .lux-pillar {
        border-top: none;
        border-left: 1px solid var(--bili-border);
    }
    .lux-pillar:first-child { border-left: none; }
}

.lux-pillar__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-style: italic;
    color: var(--bili-gold);
    margin: 0 0 0.5rem;
}

.lux-pillar__desc {
    font-size: 0.875rem;
    color: var(--bili-text-muted);
    margin: 0;
}

/* Quote */
.lux-quote {
    text-align: center;
    max-width: 56rem;
    margin: 0 auto;
}

.lux-quote__text {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.75rem);
    line-height: 1.35;
    font-weight: 400;
    color: var(--bili-text);
    margin: 0;
}

.lux-quote__text em {
    font-style: italic;
    color: var(--bili-gold);
}

.lux-quote__attr {
    margin-top: 2rem;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bili-text-faint);
}

/* Showcase carousel */
.lux-showcase {
    position: relative;
}

.lux-showcase__track {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(0.75rem, 2vw, 1.5rem);
    overflow: visible;
}

.lux-showcase__slide {
    min-width: 0;
    cursor: pointer;
    transition: opacity 0.35s var(--ease-out);
}

.lux-showcase__slide:not(.is-active) {
    opacity: 0.55;
}

.lux-showcase__slide.is-active {
    opacity: 1;
}

@media (min-width: 721px) {
    .lux-video-shell--showcase {
        max-height: min(62vh, 520px);
    }

    .lux-media-video--showcase {
        max-height: min(62vh, 520px);
    }
}

@media (max-width: 720px) {
    .lux-showcase {
        margin-left: calc(-1 * clamp(1.25rem, 4vw, 2.5rem));
        margin-right: calc(-1 * clamp(1.25rem, 4vw, 2.5rem));
    }

    .lux-showcase__track {
        display: flex;
        flex-direction: row;
        gap: 0;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .lux-showcase__track::-webkit-scrollbar {
        display: none;
    }

    .lux-showcase__slide {
        flex: 0 0 100%;
        min-width: 100%;
        scroll-snap-align: center;
        scroll-snap-stop: always;
        box-sizing: border-box;
        padding: 0 clamp(1.25rem, 4vw, 2.5rem);
        opacity: 1;
    }

    .lux-showcase__slide:not(.is-active) {
        opacity: 1;
    }

    .lux-video-shell--showcase {
        width: auto;
        max-width: min(100%, 340px);
        max-height: min(68vh, 440px);
        border-radius: clamp(2rem, 11%, 3.25rem);
    }

    .lux-media-video--showcase {
        max-height: min(68vh, 440px);
        width: auto;
        max-width: min(100%, 340px);
        margin: 0 auto;
        border-radius: clamp(2rem, 11%, 3.25rem);
    }

    .lux-showcase__caption {
        font-size: 0.75rem;
    }
}

.lux-showcase__caption {
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--bili-text-muted);
    text-align: center;
}

.lux-showcase__dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.lux-showcase__dot {
    width: 2rem;
    height: 2px;
    background: var(--bili-border);
    transition: background 0.3s, width 0.3s;
    cursor: pointer;
}

.lux-showcase__dot.is-active {
    background: var(--bili-gold-dim);
    width: 3rem;
}

/* CTA */
.lux-cta {
    text-align: center;
    border-top: 1px solid var(--bili-border);
    background:
        radial-gradient(ellipse 60% 50% at 50% 100%, rgba(242, 239, 189, 0.07), transparent 60%),
        var(--bili-black);
}

.lux-cta .lux-lead { margin-left: auto; margin-right: auto; }

/* Footer */
.lux-footer {
    padding: 2rem clamp(1.25rem, 4vw, 2.5rem) 3rem;
    border-top: 1px solid var(--bili-border);
}

.lux-footer__inner {
    max-width: var(--content-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.lux-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.8125rem;
    color: var(--bili-text-muted);
}

.lux-footer__links a:hover { color: var(--bili-gold); }

.lux-footer__copy {
    font-size: 0.75rem;
    color: var(--bili-text-faint);
}

/* Modal (waitlist) */
.lux-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.lux-modal-overlay.is-open { display: flex; }

.lux-modal {
    width: 100%;
    max-width: 28rem;
    background: linear-gradient(160deg, #121212, #0a0a0a);
    border: 1px solid var(--bili-border);
    border-radius: 1.25rem;
    padding: 2.5rem;
    position: relative;
}

.lux-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    color: var(--bili-text-muted);
    font-size: 1.5rem;
    line-height: 1;
}

.lux-modal__close:hover { color: var(--bili-gold); }

.lux-modal__title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin: 0 0 0.5rem;
}

.lux-modal__subtitle {
    font-size: 0.9375rem;
    color: var(--bili-text-muted);
    margin: 0 0 1.75rem;
}

.lux-form-group { margin-bottom: 1.25rem; }

.lux-form-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bili-text-muted);
    margin-bottom: 0.5rem;
}

.lux-form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--bili-border);
    border-radius: 0.625rem;
    color: var(--bili-text);
    font: inherit;
    transition: border-color 0.25s;
}

.lux-form-input:focus {
    outline: none;
    border-color: rgba(242, 239, 189, 0.4);
}

.lux-form-submit {
    width: 100%;
    margin-top: 0.5rem;
}

.lux-form-message {
    display: none;
    margin-top: 1rem;
    font-size: 0.875rem;
    text-align: center;
}

.lux-form-message.is-success { display: block; color: #4ade80; }
.lux-form-message.is-error { display: block; color: #f87171; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    [data-reveal] { opacity: 1; transform: none; transition: none; }
    .lux-heading[data-reveal] em,
    .lux-hero__question[data-reveal],
    .lux-reveal-from-left[data-reveal] {
        opacity: 1;
        transform: none;
        -webkit-mask: none;
        mask: none;
        transition: none;
    }
    .lux-hero__line { animation: none; transform: scaleY(1); }
    .lux-hero__scroll span { animation: none; }
}