/* ========================================
   Navbar - Enhanced Modern Design
   ======================================== */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.25rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 213, 0, 0.1);
}

.navbar-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 213, 0, 0.03) 0%, transparent 50%, rgba(255, 213, 0, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.navbar-modern:hover::before {
    opacity: 1;
}

.navbar-modern.scrolled {
    padding: 0.875rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(255, 213, 0, 0.2);
}

/* Brand Logo */
.navbar-modern .navbar-brand {
    color: var(--dark);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.navbar-modern .navbar-brand::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #FFD500 0%, #FFC400 100%);
    transition: width 0.4s ease;
    border-radius: 2px;
}

.navbar-modern .navbar-brand:hover::after {
    width: 100%;
}

.navbar-modern .navbar-brand img {
    height: 50px;
    transition: all 0.4s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
    width: 120px;
    height: 40px;
}

.navbar-modern .navbar-brand:hover img {
    transform: scale(1.08);
    filter: drop-shadow(0 4px 12px rgba(255, 213, 0, 0.4));
}

/* Navbar Toggler */
.navbar-modern .navbar-toggler {
    border: 2px solid var(--gray-300);
    padding: 0.625rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar-modern .navbar-toggler:hover {
    border-color: #FFD500;
    background: rgba(255, 213, 0, 0.1);
    transform: scale(1.05);
}

.navbar-modern .navbar-toggler:focus {
    box-shadow: 0 0 0 4px rgba(255, 213, 0, 0.2);
}

.navbar-modern .navbar-toggler-icon {
    width: 26px;
    height: 26px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15, 23, 42, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navigation Links */
.navbar-modern .nav-link {
    color: var(--gray-700) !important;
    font-weight: 600;
    padding: 0.875rem 1.5rem;
    border-radius: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin: 0 0.25rem;
    position: relative;
    overflow: hidden;
}

.navbar-modern .nav-link::before {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #FFD500 0%, #FFC400 100%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.navbar-modern .nav-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 213, 0, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar-modern .nav-link:hover {
    color: #000 !important;
    background: rgba(255, 213, 0, 0.1);
    transform: translateY(-2px);
}

.navbar-modern .nav-link:hover::before {
    width: 70%;
}

.navbar-modern .nav-link:hover::after {
    opacity: 1;
}

.navbar-modern .nav-link i {
    font-size: 1.125rem;
    opacity: 0.8;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.navbar-modern .nav-link:hover i {
    opacity: 1;
    color: #FFD500;
    transform: scale(1.15);
}

.navbar-modern .nav-link span {
    position: relative;
    z-index: 2;
}

.navbar-modern .nav-link.active {
    color: #000 !important;
    background: rgba(255, 213, 0, 0.15);
    font-weight: 800;
}

.navbar-modern .nav-link.active::before {
    width: 70%;
}

.navbar-modern .nav-link.active::after {
    opacity: 1;
}

.navbar-modern .nav-link.active i {
    color: #FFD500;
    transform: scale(1.15);
}

/* Join Button */
.btn-join-navbar {
    background: linear-gradient(135deg, #FFD500 0%, #FFC400 100%);
    color: #000;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    border: 2px solid transparent;
    font-weight: 800;
    font-size: 0.9375rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(255, 213, 0, 0.4);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-join-navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.btn-join-navbar:hover::before {
    left: 100%;
}

.btn-join-navbar span {
    position: relative;
    z-index: 2;
}

.btn-join-navbar i {
    position: relative;
    z-index: 2;
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.btn-join-navbar:hover {
    background: linear-gradient(135deg, #FFC400 0%, #FFD500 100%);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 213, 0, 0.6);
    border-color: rgba(0, 0, 0, 0.1);
    color: #000;
}

.btn-join-navbar:hover i {
    transform: translateX(-5px);
}

.btn-join-navbar:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 213, 0, 0.5);
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .navbar-modern {
        padding: 0.5rem 0;
        background: #FFFFFF !important;
    }

    .navbar-collapse {
        background: #FFFFFF;
        padding: 1rem;
        border-radius: 0 0 1rem 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        margin-top: 0.5rem;
    }

    .navbar-nav {
        flex-direction: column !important;
        width: 100%;
        gap: 0.5rem;
        margin-bottom: 1rem !important;
    }

    .navbar-modern .nav-link {
        justify-content: center;
        margin: 0.25rem 0;
        width: 100%;
        background: #F9FAFB;
        border-radius: 8px;
    }

    .navbar-modern .nav-link:hover,
    .navbar-modern .nav-link.active {
        background: rgba(255, 213, 0, 0.1);
    }

    .navbar-collapse .d-flex.align-items-center {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem !important;
        margin-top: 0;
    }

    .btn-join-navbar {
        width: 100%;
        justify-content: center;
        margin: 0;
    }
}

@media (max-width: 576px) {
    .navbar-modern .navbar-brand img {
        height: 42px;
        width: 120px;
        height: 40px;
    }

    .navbar-modern .nav-link {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }

    .btn-join-navbar {
        padding: 0.625rem 1.5rem;
        font-size: 0.875rem;
    }

    .btn-join-navbar i {
        font-size: 0.8125rem;
    }
}