/* ================================================
   OSITEX CREATIVE HUB - Navbar Styles
   nav.css
   ================================================ */


/* ------------------------------------------------
   1. NAVBAR CONTAINER
------------------------------------------------ */

.navbar {
    background-color: var(--blue);
    padding: 1rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--gray-border);
}


/* ------------------------------------------------
   2. LOGO + BRAND NAME
------------------------------------------------ */

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-logo img {
    height: 55px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.nav-logo img:hover {
    transform: scale(1.05);
}

.brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-main {
    color: var(--white);
    font-size: var(--text-lg);
    font-weight: 800;
    letter-spacing: 1px;
    font-family: var(--font-main);
}

.brand-sub {
    color: var(--yellow);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: var(--font-main);
}


/* ------------------------------------------------
   3. NAV LINKS
------------------------------------------------ */

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-base);
    font-family: var(--font-main);
    position: relative;
    transition: color var(--transition-normal);
    padding-bottom: 5px;
}


/* Yellow underline on hover */

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--yellow);
    transition: width var(--transition-normal);
}

.nav-links a:hover {
    color: var(--yellow);
}

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


/* Active link - currently viewed section */

.nav-links a.active {
    color: var(--yellow);
}

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


/* ------------------------------------------------
   4. HAMBURGER BUTTON - hidden on desktop
------------------------------------------------ */

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}


/* Hamburger transforms into X when menu is open */

.hamburger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* ------------------------------------------------
   5. RESPONSIVE - Tablets (max 1024px)
------------------------------------------------ */

@media (max-width: 1024px) {
    .navbar {
        padding: 1rem 2rem;
    }
    .nav-links {
        gap: 1.5rem;
    }
    .nav-links a {
        font-size: var(--text-sm);
    }
}


/* ------------------------------------------------
   6. RESPONSIVE - Mobile (max 768px)
------------------------------------------------ */

@media (max-width: 768px) {
    .navbar {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        padding: 1rem 1.5rem;
        flex-wrap: wrap;
        gap: 0;
    }
    /* Show hamburger on mobile */
    .hamburger {
        display: flex;
    }
    /* Hide nav links by default on mobile */
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        gap: 0;
        background-color: var(--blue);
        padding: 0.5rem 0;
        border-top: 1px solid var(--gray-border);
        margin-top: 0.5rem;
    }
    /* Show nav links when menu is open */
    .nav-links.open {
        display: flex;
    }
    .nav-links li {
        width: 100%;
        padding: 0.85rem 1.5rem;
        border-bottom: 1px solid var(--gray-border);
    }
    .nav-links a {
        font-size: var(--text-base);
        display: block;
        width: 100%;
    }
    .nav-links a::after {
        display: none;
    }
    .hero {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    .hero-wrapper {
        width: 100%;
        max-width: 100%;
    }
    .hero-bg {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
}


/* ------------------------------------------------
   7. RESPONSIVE - Small phones (max 480px)
------------------------------------------------ */

@media (max-width: 480px) {
    .navbar {
        padding: 0.75rem 1rem;
    }
    .nav-logo img {
        height: 40px;
    }
    .brand-main {
        font-size: var(--text-base);
    }
    .brand-sub {
        font-size: 0.65rem;
        letter-spacing: 2px;
    }
}


/* ------------------------------------------------
   8. RESPONSIVE - Very small phones (max 360px)
   Covers small Nokia, budget Androids
------------------------------------------------ */

@media (max-width: 360px) {
    .navbar {
        padding: 0.75rem;
    }
    .nav-logo img {
        height: 35px;
    }
    .brand-main {
        font-size: var(--text-sm);
    }
    .brand-sub {
        display: none;
    }
}