/* ===== MODERN HEADER STYLES ===== */
:root {
    --primary-blue: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-white: rgba(255, 255, 255, 0.98);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-navbar {
    background: var(--bg-white);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    padding: 0.8rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.9);
}

.custom-navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* Logo & Brand */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.navbar-logo {
    height: 42px;
    transition: var(--transition);
    filter: brightness(0.9);
}

.brand-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05) rotate(-5deg);
    filter: brightness(1);
}

.navbar-brand:hover .brand-text {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-blue));
    -webkit-background-clip: text;
}

/* Navigation Links */
.navbar-nav {
    gap: 0.5rem;
}

.navbar-nav .nav-link {
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
    color: var(--primary-blue);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.navbar-nav .nav-link:hover::before {
    width: 80%;
}

.nav-icon {
    font-size: 1.1rem;
    color: var(--primary-blue);
    transition: var(--transition);
    width: 20px;
    text-align: center;
}

.navbar-nav .nav-link:hover .nav-icon {
    transform: scale(1.2);
    color: var(--primary-light);
}

/* Desktop Contact */
.desktop-contact {
    gap: 1.5rem;
    margin-left: 2rem;
}

.contact-item {
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(37, 99, 235, 0.03);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.contact-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--primary-blue);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(10deg);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

.contact-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-item:hover .contact-value {
    color: var(--primary-blue);
}

/* Mobile Toggle Button */
.navbar-toggler {
    border: none;
    background: transparent;
    padding: 0.5rem;
    position: relative;
    z-index: 1000;
}

.hamburger-box {
    display: flex;
    flex-direction: column;
    width: 24px;
    height: 18px;
    justify-content: space-between;
    cursor: pointer;
}

.hamburger-line {
    height: 2px;
    width: 100%;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.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(6px, -6px);
}

/* Mobile Contact */
.mobile-contact {
    padding: 1.5rem 0 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-contact-item {
    color: var(--text-dark);
    text-decoration: none;
    padding: 1rem;
    border-radius: var(--border-radius);
    background: rgba(37, 99, 235, 0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.mobile-contact-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(8px);
    color: var(--primary-blue);
}

.mobile-contact-item i {
    color: var(--primary-blue);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.mobile-contact-label {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
}

.mobile-contact-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.mobile-contact-item:hover .mobile-contact-value {
    color: var(--primary-blue);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--bg-white);
        padding: 2rem;
        margin-top: 1rem;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-hover);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.9);
    }

    .navbar-nav {
        gap: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 1rem 1.25rem;
        margin: 0.1rem 0;
    }
}

@media (max-width: 575.98px) {
    .custom-navbar {
        padding: 0.6rem 0;
    }

    .navbar-logo {
        height: 36px;
    }

    .brand-text {
        font-size: 1.4rem;
    }

    .container {
        padding: 0 1rem;
    }

    .navbar-collapse {
        margin: 0.5rem -1rem 0;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }
}

/* Scroll effect */
@media (min-width: 992px) {
    .custom-navbar {
        background: rgba(255, 255, 255, 0.85);
    }
}

/* Animation for page load */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.custom-navbar {
    animation: slideDown 0.5s ease-out;
}