/* ===== NAVBAR ===== */
.navbar-custom {
    padding: 20px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent !important;
    position: fixed;
    top: 3px;
    left: 0;
    right: 0;
    z-index: 1050;
}

.navbar-custom.scrolled {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(30, 27, 75, 0.08);
}

.navbar-brand-custom {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff !important;
    letter-spacing: -0.5px;
    transition: color 0.4s ease;
    text-decoration: none;
}

.navbar-brand-custom span {
    color: var(--green-400);
    transition: color 0.4s ease;
}

.navbar-custom.scrolled .navbar-brand-custom {
    color: var(--green-950) !important;
}

.navbar-custom.scrolled .navbar-brand-custom span {
    color: var(--green-600);
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    padding: 8px 18px !important;
    transition: all 0.3s ease;
    position: relative;
}

/* ===== ACTIVE LINK UNDERLINE ===== */
.navbar-custom .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 18px;
    right: 18px;
    height: 2.5px;
    background: var(--green-500);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
    border-radius: 2px;
}

.navbar-custom .nav-link:hover::after,
.navbar-custom .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-custom.scrolled .nav-link {
    color: var(--green-900) !important;
}

.navbar-custom .nav-link:hover {
    color: #ffffff !important;
}

.navbar-custom.scrolled .nav-link:hover {
    color: var(--green-600) !important;
}

/* Active link color in scrolled state */
.navbar-custom.scrolled .nav-link.active {
    color: var(--green-600) !important;
}

.btn-get-in-touch {
    background: var(--green-800);
    color: #ffffff !important;
    border: none;
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(70, 229, 97, 0.35);
}

.btn-get-in-touch:hover {
    background: var(--green-900);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(70, 229, 97, 0.35);
    color: #ffffff !important;
}

/* ===== HAMBURGER MENU ===== */
.navbar-toggler {
    border: 1.5px solid rgba(255,255,255,0.4);
    padding: 8px 12px;
    transition: all 0.3s ease;
    position: relative;
    width: 50px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler-icon {
    background-image: none !important;
    width: 28px;
    height: 22px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.navbar-toggler-icon span {
    display: block;
    height: 2.5px;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
}

.navbar-custom.scrolled .navbar-toggler {
    border-color: var(--green-300);
    background: rgba(0,0,0,0.03);
}

.navbar-custom.scrolled .navbar-toggler-icon span {
    background: var(--green-900);
}

/* X Animation */
.navbar-toggler.collapsed .navbar-toggler-icon span:nth-child(1) {
    transform: translateY(0) rotate(0deg);
}

.navbar-toggler.collapsed .navbar-toggler-icon span:nth-child(2) {
    opacity: 1;
    transform: scaleX(1);
}

.navbar-toggler.collapsed .navbar-toggler-icon span:nth-child(3) {
    transform: translateY(0) rotate(0deg);
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon span:nth-child(1) {
    transform: translateY(9.75px) rotate(45deg);
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon span:nth-child(3) {
    transform: translateY(-9.75px) rotate(-45deg);
}

/* ===== MOBILE MENU SLIDE FROM LEFT ===== */
@media (max-width: 991px) {
    .navbar-collapse {
        position: fixed;
        top: 0;
        left: -100%;
        width: 320px;
        height: 100vh;
        background: rgba(11, 36, 58, 0.98);
        backdrop-filter: blur(20px);
        padding: 80px 30px 30px;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-radius: 0;
        margin-top: 0;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        overflow-y: auto;
        z-index: 1040;
    }

    .navbar-collapse.show {
        left: 0;
    }

    /* Overlay */
    .navbar-collapse.show::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }

    .navbar-custom .nav-link {
        color: rgba(255, 255, 255, 0.85) !important;
        font-size: 1.1rem;
        padding: 14px 20px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        display: block;
        position: relative;
    }

    .navbar-custom .nav-link:hover {
        color: var(--green-400) !important;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 0;
        padding-left: 28px !important;
    }

    /* Remove underline on mobile */
    .navbar-custom .nav-link::after {
        display: none;
    }

    /* Active link style on mobile - Green left border */
    .navbar-custom .nav-link.active {
        color: var(--green-400) !important;
        background: rgba(255, 255, 255, 0.05);
        border-left: 3px solid var(--green-500);
        padding-left: 28px !important;
    }

    .navbar-custom .btn-get-in-touch {
        margin-top: 20px;
        width: 100%;
        text-align: center;
    }

    .navbar-custom.scrolled .nav-link {
        color: rgba(255, 255, 255, 0.85) !important;
    }

    .navbar-custom.scrolled .nav-link:hover {
        color: var(--green-400) !important;
    }

    .navbar-custom.scrolled .nav-link.active {
        color: var(--green-400) !important;
        border-left-color: var(--green-400);
    }

    .navbar-toggler {
        z-index: 1050;
    }

    .navbar-collapse .navbar-nav {
        width: 100%;
    }
}

/* ===== LOGO SWITCHING ===== */
.navbar-brand-custom .logo-dark {
    display: none !important;
}
.navbar-brand-custom .logo-white {
    display: inline-block !important;
}

.navbar-custom.scrolled .navbar-brand-custom .logo-white {
    display: none !important;
}
.navbar-custom.scrolled .navbar-brand-custom .logo-dark {
    display: inline-block !important;
}

/* Mobile menu logo */
@media (max-width: 991px) {
    .navbar-collapse .mobile-menu-logo {
        display: block !important;
        text-align: center;
        margin-bottom: 20px;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .navbar-collapse .mobile-menu-logo img {
        width: 150px;
    }
}