:root {
    --navbar-bg: #f5f5f5; /* Light gray */
    --text-color: #f28c38; /* Deep orange */
    --hover-color: #000000; /* Black */
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease-in-out;
    --border-color: rgba(0, 0, 0, 0.1);
}

.navbar {
    background-color: var(--navbar-bg);
    padding: 1.2rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    font-family: 'Inter', sans-serif;
    max-width: 100vw;
    box-sizing: border-box;
    transform: translateY(0); /* Initial position */
    transition: transform 0.3s ease-in-out; /* Smooth slide */
}

.navbar.hidden {
    transform: translateY(-100%); /* Slide up to hide */
}

.navbar-logo a {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: var(--transition);
    white-space: nowrap;
}

.navbar-logo a:hover,
.navbar-logo a:focus {
    color: var(--hover-color);
    transform: scale(1.03);
    outline: none;
}

.navbar-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    margin-right: 3rem;
    padding-right: 1rem;
}

.navbar-menu a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    letter-spacing: 0.01em;
    padding: 0.5rem 0;
    transition: var(--transition);
    white-space: nowrap;
}

.navbar-menu a:hover,
.navbar-menu a:focus {
    color: var(--hover-color);
    transform: translateY(-2px);
    outline: none;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--hover-color);
    transition: width 0.3s ease;
}

.navbar-menu a:hover::after,
.navbar-menu a:focus::after {
    width: 100%;
}

.navbar-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-color);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    margin-left: auto;
}

.navbar-toggle:hover,
.navbar-toggle:focus {
    color: var(--hover-color);
    outline: none;
}

@media (max-width: 1024px) {
    .navbar {
        padding: 1rem 2rem;
    }

    .navbar-menu {
        gap: 2rem;
        margin-right: 2rem;
        padding-right: 0.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
        flex-wrap: wrap;
    }

    .navbar-logo a {
        font-size: 1.4rem;
    }

    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        display: none;
        flex-direction: column;
        gap: 1.2rem;
        width: 100%;
        padding: 1rem 0;
        background-color: var(--navbar-bg);
        border-top: 1px solid var(--border-color);
        margin-right: 0;
        text-align: center;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-menu a {
        font-size: 1rem;
        padding: 0.3rem 0;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.8rem 1rem;
    }

    .navbar-logo a {
        font-size: 1.3rem;
    }

    .navbar-toggle {
        font-size: 1.3rem;
    }

    .navbar-menu {
        gap: 1rem;
        padding: 0.8rem 0;
    }
}