:root {
    --brand-paper: #ffffff;
    --brand-canvas: #f5f5f3;
    --brand-ink: #333333;
    --brand-muted: #666666;
    --brand-line: rgba(0, 0, 0, 0.1);
    --brand-glass: rgba(255, 255, 255, 0.95);
    --brand-dark-glass: rgba(0, 0, 0, 0.8);
    --brand-red: #e74c3c;
    --brand-red-deep: #c0392b;
    --brand-violet: #8b5cf6;
    --brand-violet-deep: #6d28d9;
    --brand-radius: 20px;
    --brand-pill: 999px;
    --brand-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    --brand-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --brand-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --navbar-height: 70px;
}

button,
input,
textarea,
select {
    font: inherit;
}

a,
button {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid rgba(139, 92, 246, 0.55);
    outline-offset: 3px;
}

.navbar {
    position: fixed;
    inset: 0 0 auto;
    height: var(--navbar-height);
    background: var(--brand-glass);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--brand-line);
    z-index: 9998;
}

.navbar-content {
    width: 100%;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-title a {
    color: inherit;
    text-decoration: none;
}

.navbar-title h1 {
    color: var(--brand-ink);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: color 0.3s ease;
}

.navbar-title a:hover h1 {
    color: var(--brand-red);
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 60px;
    }

    .navbar-content {
        padding: 0 15px;
    }

    .navbar-title h1 {
        font-size: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}