:root {
    --primary: #1D8C89;
    --primary-foreground: #ffffff;
    --background: #ffffff;
    --foreground: #1f2937;
    --muted-foreground: #6b7280;
    --border: #e5e7eb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

header {
    position: fixed;
    padding: 16px 0;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.header-scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-8 {
    gap: 2rem;
}

.hidden {
    display: none;
}

@media (min-width: 768px) {
    .md\:flex {
        display: flex;
    }
}

.w-6 {
    width: 1.5rem;
}

.h-6 {
    height: 1.5rem;
}

.text-primary {
    color: var(--primary);
}

.text-xl {
    font-size: 1.25rem;
}

.tracking-tight {
    letter-spacing: -0.025em;
}

nav a {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--foreground);
}

.transition-colors {
    transition: color 0.2s ease;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.button:hover {
    background-color: rgba(59, 130, 246, 0.9);
}