/* ──────────────────────────────────────────────────────────────
   Site nav — Kota Natural Farm
   The sticky top nav used on every page. Single source of truth;
   linked by both styles.css-based pages (homepage, gallery) and
   practice.css/produce.css-based sub-pages (blog, practices, produce).

   Depends on design tokens (--earth-dark, --sand, --sprout, etc.)
   which are defined in styles.css, practice.css, and produce.css.
   ────────────────────────────────────────────────────────────── */

/* Reserve space for the fixed nav so page content starts BELOW it
   rather than being hidden behind it. Every page that links this
   stylesheet gets the offset automatically. */
body {
    padding-top: 72px;
}
html {
    /* Anchor links (#about, #practices, #contact) scroll the target
       below the fixed nav instead of underneath it. */
    scroll-padding-top: 72px;
}
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }
    html {
        scroll-padding-top: 60px;
    }
}

nav#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    max-width: 100%;
    background: rgba(232, 220, 196, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 2px solid var(--earth-light);
    transition: all 0.3s ease;
}

nav#navbar.scrolled {
    padding: var(--spacing-xs) var(--spacing-md);
    box-shadow: 0 2px 20px rgba(45, 51, 25, 0.1);
}

#navbar .nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: var(--spacing-sm);
}

#navbar .logo {
    font-family: 'Crimson Pro', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--earth-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

#navbar .nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
    /* Absolutely center the nav links so they sit dead-centre on every page,
       regardless of whether a cart button is present on the right.
       Mobile media query below resets this so the drawer behaves normally. */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

#navbar .nav-links a {
    color: var(--earth-medium);
    text-decoration: none;
    font-family: 'Work Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

#navbar .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--sprout);
    transition: width 0.3s ease;
}

#navbar .nav-links a:hover {
    color: var(--earth-dark);
}

#navbar .nav-links a:hover::after {
    width: 100%;
}

#navbar .nav-links a.active {
    color: var(--earth-dark);
    font-weight: 600;
}

#navbar .nav-links a.active::after {
    width: 100%;
}

/* nav-highlight neutralized — Fresh Produce now styles like every other nav item.
   Class kept in HTML for backwards compatibility; rules intentionally left blank. */

#navbar .nav-links a:focus-visible,
#navbar .logo:focus-visible,
#navbar .nav-toggle:focus-visible {
    outline: 2px solid var(--sprout);
    outline-offset: 3px;
}

#navbar .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: 2px solid var(--earth-medium);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
}

#navbar .nav-toggle:hover {
    background: rgba(45, 51, 25, 0.08);
    border-color: var(--earth-dark);
}

#navbar .nav-toggle span {
    display: block;
    height: 2px;
    background: var(--earth-dark);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#navbar .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

#navbar .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

#navbar .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Cart FAB button lives inside the nav on produce.html — nothing to do
   here; produce.css owns its look. Just make sure the nav flex layout
   doesn't squish it. */
#navbar .cart-fab-nav {
    flex-shrink: 0;
}

/* ── Mobile layout ───────────────────────────────────────────── */
@media (max-width: 768px) {
    #navbar .nav-toggle {
        display: flex;
    }

    #navbar .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        transform: none; /* reset desktop centering so mobile drawer spans full width */
        flex-direction: column;
        gap: 0;
        background: rgba(232, 220, 196, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 2px solid var(--earth-light);
        padding: var(--spacing-sm);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.3s ease, opacity 0.3s ease;
        box-shadow: 0 8px 20px rgba(45, 51, 25, 0.1);
    }

    nav#navbar.nav-open .nav-links {
        max-height: 480px;
        opacity: 1;
        overflow-y: auto;
    }

    #navbar .nav-links a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: 4px;
    }

    #navbar .nav-links a:hover {
        background: rgba(45, 51, 25, 0.06);
    }

    #navbar .nav-links a::after {
        display: none;
    }

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