/* ═══════════════════════════════════════════════════════════════
   KENLEE TECHNICAL COLLEGE — navbar.css
   No Bootstrap. Targets the exact navbar.html markup.
═══════════════════════════════════════════════════════════════ */

/* ── Variables (shared with index.css) ─────────────────────── */
:root {
    --primary:    #FE5D37;
    --dark:       #103741;
    --nav-height: 72px;
    --nav-bg:     #A52A2A;
    --nav-shadow: 0 2px 16px rgba(0, 0, 0, .08);
    --transition: .25s ease;
}

/* ── Navbar Shell ──────────────────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    height: var(--nav-height);
    padding: 0 40px;
    background: var(--nav-bg);
    box-shadow: var(--nav-shadow);
}

/* ── Brand ─────────────────────────────────────────────────── */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-brand .logo-flex {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-brand .ktc-logo {
    height: 48px;
    width: 48px;
    object-fit: contain;
    display: block;
}

.navbar-brand h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    white-space: nowrap;
    line-height: 1.2;
}

/* ── Collapse Wrapper ──────────────────────────────────────── */
.navbar-collapse {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
}

/* ── Nav Links ─────────────────────────────────────────────── */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0 auto;        /* centre the links */
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 8px 14px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
    border-radius: 6px;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition);
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(254, 93, 55, .07);
}

/* ── Dropdown ──────────────────────────────────────────────── */
.nav-item.dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* CSS-only caret via ::after */
.nav-item.dropdown > .nav-link::after {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform var(--transition);
}

.nav-item.dropdown:hover > .nav-link::after {
    transform: rotate(-135deg) translateY(2px);
}

/* Remove Bootstrap's data-bs-toggle arrow if present */
.nav-link.dropdown-toggle::after {
    /* override Bootstrap remnant — handled above */
    display: none;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 210px;

    background: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, .12);
    padding: 8px;
    list-style: none;
    margin: 0;

    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity var(--transition), transform var(--transition);

    /* Ensures the menu appears above everything */
    z-index: 1010;
}

.nav-item.dropdown:hover .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 9px 14px;
    font-size: .85rem;
    font-weight: 500;
    color: var(--dark);
    text-decoration: none;
    border-radius: 6px;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
}

.dropdown-item:hover {
    background: rgba(254, 93, 55, .08);
    color: var(--primary);
}

/* ── CTA Button ────────────────────────────────────────────── */
.navbar .btn-secondary,
.navbar [href="appointment.html"].btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    font-size: .875rem;
    font-weight: 700;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
}
.btn-nav-cta {
    background-color: gray;
    padding: 0.5rem 1rem;
    border-radius: 10px;
}
.btn-nav-cta:hover {
    color: white;
}

.navbar .btn-secondary:hover,
.navbar [href="appointment.html"].btn:hover {
    opacity: .88;
    transform: translateY(-1px);
}

/* ── Hamburger ─────────────────────────────────────────────── */
.hamburger {
    display: none;             /* hidden on desktop */
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
}

.hamburger .bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease;
}

/* Animated X state */
.hamburger.open .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .bar:nth-child(2) { opacity: 0; }
.hamburger.open .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Responsive — Tablet & Mobile ─────────────────────────── */
@media (max-width: 992px) {

    .navbar {
        padding: 0 24px;
        flex-wrap: wrap;
        height: auto;
        background-color: var(--nav-bg);
        min-height: var(--nav-height);
    }

    /* Brand + hamburger sit in the first row */
    .navbar-brand { order: 1; }
    .hamburger    { display: flex; order: 2; margin-left: auto; }

    /* The collapsible section stretches full width below */
    .navbar-collapse {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;

        /* Hidden by default */
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .35s ease;
    }

    .navbar-collapse.open {
        max-height: 600px;   /* generous ceiling; animates via transition */
        padding-bottom: 16px;
    }

    /* Hide "Join Us" button — space is at a premium */
    .navbar-collapse .btn-secondary,
    .navbar-collapse [href="appointment.html"].btn {
        display: none;
    }

    /* Stack links vertically */
    .navbar-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
    }

    .nav-link {
        padding: 13px 8px;
        border-radius: 0;
        border-bottom: 1px solid #f2f2f2;
        font-size: .9rem;
    }

    /* Mobile dropdown — always visible when parent is .open */
    .dropdown-menu {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        padding: 0 0 4px 16px;
        background: #fafafa;
        display: none;
    }

    .nav-item.dropdown.open .dropdown-menu {
        display: block;
    }

    .dropdown-item {
        border-bottom: 1px solid #f0f0f0;
        border-radius: 0;
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .navbar-brand h2 {
        font-size: .85rem;
    }
    .navbar-brand .ktc-logo {
        height: 36px;
        width: 36px;
    }
}