/* ============================================
   NEPP Navigation Bar Styles
   Modern sticky navbar with glassmorphism
   ============================================ */

.nepp-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 31, 63, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    transition: all 0.3s ease;
    padding: 0;
}

.nepp-navbar.scrolled {
    background: rgba(0, 31, 63, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

/* Logo Section */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.navbar-logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.3));
    transition: filter 0.3s ease;
}

.navbar-logo:hover img {
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.6));
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFD700;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

/* Navigation Links */
.navbar-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-links li {
    margin: 0;
}

.navbar-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FFD700, #FFA500);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.navbar-links a:hover {
    color: #FFD700;
    background: rgba(255, 215, 0, 0.1);
}

.navbar-links a:hover::before {
    width: 80%;
}

.navbar-links a.active {
    color: #FFD700;
    background: rgba(255, 215, 0, 0.15);
    font-weight: 600;
}

/* Separator */
.navbar-separator {
    color: #FFD700;
    font-size: 1.2rem;
    opacity: 0.5;
    user-select: none;
}

/* Auth Buttons */
.navbar-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.navbar-btn-primary {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #001f3f;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.navbar-btn-primary:hover {
    background: linear-gradient(135deg, #FFA500, #FFD700);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
    transform: translateY(-2px);
}

.navbar-btn-secondary {
    background: transparent;
    color: #FFD700;
    border: 2px solid #FFD700;
}

.navbar-btn-secondary:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: #FFA500;
    color: #FFA500;
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background: #FFD700;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive Design */
@media (max-width: 968px) {
    .navbar-container {
        padding: 1rem 1.5rem;
    }

    .navbar-links {
        gap: 1.5rem;
    }

    .navbar-links a {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(0, 31, 63, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        border-bottom: 2px solid rgba(255, 215, 0, 0.3);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .navbar-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-links li {
        width: 100%;
        text-align: center;
    }

    .navbar-links a {
        display: block;
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }

    .navbar-auth {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .navbar-btn {
        width: 100%;
        text-align: center;
    }

    .navbar-separator {
        display: none;
    }
}

/* Scroll Padding for Anchor Links */
html {
    scroll-padding-top: 80px;
}