body {
    font-family: 'Inter', sans-serif;
    background-color: #111827;
    color: #F3F4F6;
    margin: 0;
    padding: 0;
}

header {
    position: relative;
    z-index: 10;
}

.hero-gradient-text {
    background: linear-gradient(90deg, #3b82f6, #10b981, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card {
    background-color: #1F2937;
    border: 1px solid #374151;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #3b82f6;
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.1), 0 4px 6px -2px rgba(59, 130, 246, 0.05);
}

.icon-placeholder {
    font-size: 28px;
}

.section-heading {
    color: #93c5fd;
}

/* Architecture Page Styles */
.chart-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    height: 350px;
    max-height: 450px;
}

@media (min-width: 768px) {
    .chart-container { height: 400px; }
}

.nav-link {
    transition: all 0.2s ease-in-out;
    border-bottom: 2px solid transparent;
}

.nav-link.active, .nav-link:hover {
    color: #10b981;
    border-bottom-color: #10b981;
}

.content-section {
    padding-top: 5rem;
    margin-top: -1rem;
}

.flow-arrow {
    position: relative;
    height: 2px;
    background-color: #cbd5e1;
}

.flow-arrow::after {
    content: '►';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
}

.btn-tab {
    transition: all 0.2s ease-in-out;
}

.btn-tab.active {
    background-color: #10b981;
    color: white;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}