body {
    font-family: 'Inter', sans-serif;
    background-color: #050505;
    color: #ffffff;
    scroll-behavior: smooth;
}

.text-accent { color: #3b82f6; }
.bg-accent { background-color: #3b82f6; }
.border-accent { border-color: #3b82f6; }

.hero-gradient {
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, rgba(5, 5, 5, 0) 70%);
}

.play-button {
    transition: all 0.3s ease;
}
.video-container:hover .play-button {
    transform: scale(1.1);
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

@keyframes bounce-x {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}
.animate-bounce-x {
    animation: bounce-x 1s infinite;
}

details summary::-webkit-details-marker {
    display: none;
}
details[open] summary i {
    transform: rotate(180deg);
}

.methodology-node {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 40;
}
.sticky-cta.visible {
    transform: translateY(0);
}