/* Navigation Styles */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
    margin-right: 1rem;
}

.logo-img {
    width: auto;
    height: 60px;
    transition: var(--transition);
}

.logo-text {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-color);
    line-height: 1;
    white-space: nowrap;
    transition: var(--transition);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    font-size: 1.25rem;
    line-height: 1;
    background-color: transparent;
    color: var(--primary-color);
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-toggler:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.custom-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    margin: 0 auto;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Hamburger lines - styled by base .hamburger-line class */

/* Professional hamburger to X animation */
.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.navbar-toggler[aria-expanded="true"]:hover {
    background-color: rgba(231, 76, 60, 0.1);
}

.navbar-nav {
    align-items: center;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    position: relative;
    text-align: center;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 1rem;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 2rem);
}

.navbar.scrolled .logo-img {
    height: 40px;
}

.navbar.scrolled .logo-text {
    font-size: 0.8rem;
}

/* Mobile menu overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .navbar-toggler {
        position: relative;
        z-index: 1051;
        margin-right: 0;
    }
    
    .navbar-collapse {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        padding: 2rem 1rem;
        z-index: 1050;
        overflow-y: auto;
    }
    
    .navbar-collapse.show {
        right: 0;
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid rgba(0,0,0,0.1);
        font-size: 1.1rem;
        width: 100%;
        text-align: left;
    }
}

@media (max-width: 992px) {
    .navbar-brand {
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .nav-link::after {
        left: 0;
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        gap: 0.5rem;
        max-width: calc(100% - 60px);
    }

    .logo-img {
        height: 35px;
    }

    .logo-text {
        font-size: 0.85rem;
    }
    
    .navbar-toggler {
        padding: 0.4rem;
        width: 40px;
        height: 40px;
    }
    
    .custom-hamburger {
        width: 22px;
        height: 14px;
    }
    
    .hamburger-line {
        width: 22px;
    }
    
    .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }
    
    .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }
    
    .navbar-collapse {
        width: 260px;
    }
}

@media (max-width: 360px) {
    .navbar-brand {
        max-width: calc(100% - 50px);
    }

    .logo-text {
        font-size: 0.8rem;
    }
    
    .navbar-toggler {
        padding: 0.3rem;
        width: 36px;
        height: 36px;
    }
    
    .custom-hamburger {
        width: 20px;
        height: 12px;
    }
    
    .hamburger-line {
        width: 20px;
    }
    
    .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(3px, 3px);
    }
    
    .navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(3px, -3px);
    }
    
    .navbar-collapse {
        width: 240px;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.8rem;
    }
}