/* Critical CSS for above-the-fold content */
body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #ffffff;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

header {
    background-color: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
    backdrop-filter: blur(10px);
}

header .flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

header .logo {
    flex-shrink: 0;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0;
    color: #333;
}

header h1 span {
    color: #d97706;
}

header nav {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 2rem;
}

header nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1.5rem;
    align-items: center;
}

header nav a {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    position: relative;
}

header .nav-features {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    header .flex {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 0;
    }

    header nav {
        display: none;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: #333;
        cursor: pointer;
        padding: 0.5rem;
        border-radius: 0.375rem;
    }
}