/* Main Header */
.main-nav {
    position: fixed;
    top: 0;
    left: 0; /* ensures it starts at the very left */
    right: 0; /* ensures it stretches fully to the right */
    background-color: var(--color-primary-background);
    border-bottom: 1px solid var(--color-light-gray);
    z-index: 1000;
    width: 100%; /* fallback to full width */
    box-sizing: border-box; /* include padding/border in width */
    display: block; /* or flex if you want flex layout */
}


.main-nav-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center; /* center content horizontally */
    height: 80px;
    width: 100%; /* fill entire width of parent */
}


.logo {
    display: block;
    width: 75px;
    height: 75px;
    margin: 0 0;
    background-image: url('/images/MountainLogo.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.call-to-action {
    margin: var(--spacing-md);
    position: absolute;
    right: 0;
    display: none;
}

/* Hamburger */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 2;
    position: absolute;
    right: var(--spacing-xs);
    margin-right: var(--spacing-sm);
}

    .hamburger .bar {
        width: 100%;
        height: 3px;
        background-color: var(--color-primary-text);
        border-radius: var(--border-radius-sm);
    }

/* Desktop Nav */
.desktop-nav {
    display: none; /* Hidden by default, shown only on desktop */
}

.nav-login {
    display: none;
}

.main-nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.main-nav-item a {
    text-decoration: none;
    color: var(--color-primary-text);
    font-family: var(--font-family-body);
    font-weight: 600; /* Open Sans SemiBold */
    font-size: 1.5rem; /* ~18px */
    padding: var(--spacing-xs) 0; /* Vertical padding for hover effect */
    position: relative;
    transition: color 0.2s ease-in-out;
}

    .main-nav-item a:hover {
        color: var(--color-primary-accent);
    }

    .main-nav-item a::after { /* Underline effect */
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background-color: var(--color-primary-accent);
        transition: width 0.2s ease-in-out;
    }

    .main-nav-item a:hover::after {
        width: 100%;
    }

    .main-nav-item a.active {
        color: var(--color-primary-accent);
    }

        .main-nav-item a.active::after {
            width: 100%; /* Active link always has underline */
        }


.mobile-nav-panel {
    position: fixed;
    top: 0;
    left: -125%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-primary-background);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: left 0.3s ease-in-out;
    z-index: 999;
    padding: 0;
}


.mobile-nav-panel-call-to-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    padding-bottom: var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

    .mobile-nav-panel-call-to-action button {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 135%;
        box-sizing: border-box;
        text-align: center;
    }



.mobile-nav-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

.close-mobile-nav {
    font-size: 2.5rem;
    color: var(--color-primary-text);
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
}



.mobile-nav-panel a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-family-body);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-primary-text);
    text-decoration: none;
    margin: 0;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid var(--color-light-gray);
}

    .mobile-nav-panel a:hover,
    .mobile-nav-panel a.active {
        color: var(--color-primary-accent);
    }

    .mobile-nav-panel a .arrow {
        font-size: 2rem;
        font-weight: bold;
        color: var(--color-primary-text);
        transition: transform 0.2s ease;
    }

    .mobile-nav-panel a:hover .arrow {
        transform: translateX(4px);
    }

/* Toggle Side Menu */
#menu-toggle:checked ~ .mobile-nav-panel {
    left: 0;
}

.mobile-nav-login {
    display: block;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-family-body);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-primary-text);
    text-decoration: none;
    margin: 0;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    gap: 5rem;
    flex: none;
    padding: 1.25rem;
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid var(--color-light-gray);
}

.mobile-nav-login,
.flex-col {
    gap: 1.75rem;
}

button.header-btn {
    height: 3.25rem;
}

.social-icons i {
    font-size: 1rem;
    margin: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-primary-background);
}

.header-social-icons {
    margin-top: 10px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(2.5rem, 1fr));
    gap: 0px;
    justify-items: center;
    padding-left: 0;
    padding-right: var(--spacing-lg);
    padding-top: 0;
}

    .header-social-icons img.social-icon {
        width: 2.25rem;
        height: 2.25rem;
        transition: transform 0.2s ease;
        margin-bottom: var(--spacing-md);
    }

        .header-social-icons img.social-icon:hover {
            transform: scale(1.2);
        }



/* Center desktop nav in page */
@media (min-width: 768px) {
    .desktop-nav {
        display: block;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .call-to-action {
        display: block;
    }

    .hamburger {
        display: none;
    }

    .logo {
        font-size: 1.5rem;
        font-weight: 700;
        font-family: var(--font-family-heading);
        color: var(--color-primary-accent);
        text-decoration: none;
        z-index: 1;
        margin-left: var(--spacing-sm);
        position: absolute;
        transform: none;
        left: var(--spacing-sm);
    }

    .mobile-nav-panel {
        display: none;
    }

    .nav-login {
        position: absolute;
        right: var(--spacing-sm);
        display: block;
        margin-right: var(--spacing-lg);
    }

        .nav-login button {
            height: 2.25em;
            width: 10em;
        }
}