html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f7f5f0;
    color: #1a1a1a;
    margin: 0;
    padding: 0;
}

.kinetic-border {
    position: relative;
    overflow: hidden;
}

.kinetic-border::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

#particle-container {
    will-change: transform;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.3s; }
.stagger-3 { animation-delay: 0.5s; }

.serif-font {
    font-family: 'Playfair Display', serif;
}

.hero-title {
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.sidebar-nav-active {
    color: #1a1a1a;
    font-weight: 500;
    border-left: 2px solid #1a1a1a;
    padding-left: 1rem;
    margin-left: -2px;
}

.solution-card {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
}