.rlse-whitepaper-page .whitepaper-title {
    max-width: 14ch;
}

.rlse-whitepaper-hero {
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 18%, transparent), transparent 28%),
        radial-gradient(circle at top right, color-mix(in srgb, var(--heading) 10%, transparent), transparent 30%),
        linear-gradient(180deg, var(--page-bg) 0%, var(--section-bg) 100%);
}

.rlse-whitepaper-page .whitepaper-hero-card__headline {
    max-width: 22ch;
}

.rlse-media-figure .whitepaper-figure__media {
    padding: clamp(0.65rem, 1.6vw, 1rem);
}

.rlse-media-video-frame {
    position: relative;
    width: 100%;
}

.rlse-media-video {
    display: block;
    width: 100%;
    height: auto;
    max-height: min(72vh, 760px);
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #05070a;
    box-shadow: var(--shadow-card);
}

.rlse-media-play-btn {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 13rem;
    padding: 0.95rem 1.25rem;
    border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--border));
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface) 86%, transparent);
    color: var(--heading);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: pointer;
    transition: transform var(--transition-speed), opacity var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed), background var(--transition-speed);
    z-index: 2;
}

.rlse-media-play-btn:hover {
    transform: translate(-50%, calc(-50% - 2px));
    border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
    box-shadow: 0 22px 46px color-mix(in srgb, var(--accent) 16%, rgba(0, 0, 0, 0.22));
}

.rlse-media-play-btn__icon {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
    position: relative;
    flex: 0 0 auto;
}

.rlse-media-play-btn__icon::before {
    content: '';
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-38%, -50%);
    width: 0;
    height: 0;
    border-top: 0.42rem solid transparent;
    border-bottom: 0.42rem solid transparent;
    border-left: 0.7rem solid #0b1220;
}

.rlse-media-play-btn__text {
    font-family: var(--ff-heading);
    font-size: 0.94rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.rlse-media-video-frame.is-playing .rlse-media-play-btn {
    opacity: 0;
    pointer-events: none;
}

.rlse-bullet-list {
    display: grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
}

.rlse-bullet-list li {
    position: relative;
    padding-left: 1.2rem;
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text);
}

.rlse-bullet-list li::before {
    content: '';
    position: absolute;
    top: 0.78rem;
    left: 0;
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 16%, transparent);
}

.rlse-whitepaper-page .whitepaper-figure__media img {
    object-fit: cover;
}

@media (max-width: 980px) {
    .rlse-whitepaper-page .whitepaper-title {
        max-width: 100%;
    }

    .rlse-media-play-btn {
        min-width: 0;
        width: calc(100% - 2rem);
        max-width: 16rem;
        padding: 0.85rem 1rem;
    }

    .rlse-media-video {
        max-height: none;
    }
}