/* =====================================================
   Kranzle Navigation Bar — navbar.css
   Distributed in South Africa by DNA Cleaning Solutions
   ===================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
}

/* ── Sticky wrapper ── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: #101010;
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 68px;
}

/* ── Logo ── */
.navbar__logo {
    text-decoration: none;
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    flex-shrink: 0;
}

/* ── Nav links ── */
.navbar__links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.navbar__links a {
    text-decoration: none;
    color: #cccccc;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding-bottom: 3px;
    border-bottom: none;
    transition: color 0.2s ease;
    white-space: nowrap;
    position: relative;
}

/* Spray-in underline — grows from left on hover */
.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ffffff;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.navbar__links a:hover {
    color: #ffffff;
}

.navbar__links a:hover::after {
    transform: scaleX(1);
}

/* Active page indicator */
.navbar__links a.active {
    color: #ffffff;
}

.navbar__links a.active::after {
    background: #ef1923;
    transform: scaleX(1);
}

/* ── CTA Button ── */
.navbar__cta {
    display: inline-block;
    text-decoration: none;
    background-color: #0072bd;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.55rem 1.25rem;
    border-radius: 4px;
    white-space: nowrap;
    transition: background-color 0.2s ease, transform 0.15s ease;
    flex-shrink: 0;
}

.navbar__cta:hover {
    background-color: #005fa3;
    transform: translateY(-1px);
}

/* ── Hamburger button (hidden on desktop) ── */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.navbar__hamburger:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.navbar__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

/* Animate hamburger → X when open */
.navbar__hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.navbar__hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile menu — hidden at all widths by default ── */
.navbar__mobile-menu {
    display: none;
}

/* ── Mobile styles ── */
@media (max-width: 860px) {
    .navbar__hamburger {
        display: flex;
    }

    /* Slide-down mobile menu */
    .navbar__mobile-menu {
        display: none;
        flex-direction: column;
        background-color: #101010;
        border-top: 1px solid #2a2a2a;
    }

    .navbar__mobile-menu.is-open {
        display: flex;
    }

    .navbar__mobile-menu ul {
        list-style: none;
        display: flex;
        flex-direction: column;
    }

    .navbar__mobile-menu ul li a {
        display: block;
        color: #cccccc;
        text-decoration: none;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.9rem 1.5rem;
        border-bottom: 1px solid #1e1e1e;
        transition: background-color 0.2s ease, color 0.2s ease;
    }

    .navbar__mobile-menu ul li a:hover {
        background-color: #1a1a1a;
        color: #ffffff;
    }

    .navbar__mobile-menu ul li a.active {
        color: #ef1923;
        border-left: 3px solid #ef1923;
        padding-left: calc(1.5rem - 3px);
    }

    .navbar__mobile-menu .navbar__mobile-cta {
        padding: 1rem 1.5rem;
    }

    .navbar__mobile-menu .navbar__mobile-cta a {
        display: block;
        text-align: center;
        background-color: #0072bd;
        color: #ffffff;
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 600;
        padding: 0.65rem 1.25rem;
        border-radius: 4px;
        transition: background-color 0.2s ease;
    }

    .navbar__mobile-menu .navbar__mobile-cta a:hover {
        background-color: #005fa3;
    }

    /* Hide desktop elements on mobile */
    .navbar__links,
    .navbar__cta {
        display: none;
    }
}