body {
    background-color: #0A0A0A;
    color: #F5F5F5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Large soft WHITE glow (replaces the red halo) */
.hero-glow {
    position: absolute;
    top: -1300px;
    left: 50%;
    transform: translateX(-50%);
    width: 2000px;
    height: 2000px;
    background: radial-gradient(circle, rgba(255,255,255,0.28) 0%, rgba(255,255,255,0.05) 45%, rgba(255,255,255,0) 65%);
    pointer-events: none;
    z-index: 0;
}

.hero-grid {
    background-size: 120px 120px;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
    mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
    z-index: -1;
}

.glass-header {
    background-color: rgba(15, 15, 15, 0.72);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.bounce-arrow {
    animation: bounce-custom 2s ease-in-out infinite;
}

@keyframes bounce-custom {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(6px); }
}

/* Primary button — white surface, dark text */
.btn-primary {
    background: linear-gradient(180deg, #FFFFFF 0%, #E8E8EA 100%);
    color: #0A0A0A;
    box-shadow: 0 2px 14px rgba(255,255,255,0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}
.btn-primary:hover {
    background: linear-gradient(180deg, #FFFFFF 0%, #F2F2F4 100%);
    box-shadow: 0 4px 22px rgba(255,255,255,0.28), inset 0 1px 0 rgba(255,255,255,0.7);
}

/* Intersection observer reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.accordion-chevron {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.accordion-item.active .accordion-chevron {
    transform: rotate(180deg);
}

@keyframes widget-eq {
    0%, 100% { height: 6px; }
    50%      { height: 20px; }
}
@keyframes widget-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
@keyframes widget-pulse-ring {
    0%   { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* Changelog scrollbars */
.changelog-sidebar::-webkit-scrollbar,
.changelog-content::-webkit-scrollbar { width: 4px; }
.changelog-sidebar::-webkit-scrollbar-track,
.changelog-content::-webkit-scrollbar-track { background: transparent; }
.changelog-sidebar::-webkit-scrollbar-thumb,
.changelog-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 99px;
}
.changelog-sidebar::-webkit-scrollbar-thumb:hover,
.changelog-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.changelog-mobile-tabs::-webkit-scrollbar { height: 0; display: none; }
.changelog-mobile-tabs { -ms-overflow-style: none; scrollbar-width: none; }

/* Tab states */
.changelog-tab {
    background: transparent;
}
.changelog-tab:hover {
    background: rgba(255,255,255,0.04);
}
.changelog-tab.active {
    background: rgba(255,255,255,0.06);
    box-shadow: 0 1px 4px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.08);
}
.changelog-tab.active .tab-dot {
    background-color: #FFFFFF;
    box-shadow: 0 0 8px rgba(255,255,255,0.65);
}
.changelog-tab.active .tab-title {
    color: #FFFFFF;
}

.changelog-panel { animation: changelogFadeIn 0.25s ease-out; }
@keyframes changelogFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Mobile menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open {
    max-height: 400px;
}