:root {
    --neon-green: #00ff99;
    --neon-purple: #9d4edd;
    --dark-bg: #121218;
    --darker-bg: #0a0f0f;
}

body {
    font-family: 'Krub', sans-serif;
}

h1, h2, h3, .navbar-nav .nav-link, .btn {
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 1px;
}

.text-neon {
    color: var(--neon-green) !important;
}
.border-neon {
    border-color: var(--neon-green) !important;
}

.navbar-nav .nav-link {
    font-size: 1.8rem;
    font-weight: 700;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.navbar-nav .nav-link:hover {
    color: var(--neon-green) !important;
    border-bottom-color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green);
}

/* Botón neón personalizado */
.btn-outline-neon {
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    background: transparent;
    box-shadow: 0 0 15px rgba(0, 255, 153, 0.3);
    transition: all 0.3s ease;
}
.btn-outline-neon:hover {
    background: var(--neon-green);
    color: var(--dark-bg);
    box-shadow: 0 0 25px var(--neon-green);
}

.sombra {
    background: rgba(18, 18, 24, 0.85);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 255, 153, 0.15);
    box-shadow: 0 10px 30px -5px rgba(0, 255, 153, 0.2);
}

.servicio-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(157, 78, 221, 0.3);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 255, 153, 0.2);
    border-color: var(--neon-green);
}
.icon-circle {
    height: 13rem;
    width: 13rem;
    background: linear-gradient(145deg, var(--neon-green), var(--neon-purple));
    border-radius: 50%;
    box-shadow: 0 0 30px var(--neon-green);
}

.formulario {
    background: rgba(30, 30, 42, 0.9);
    backdrop-filter: blur(5px);
    border: 1px solid var(--neon-green);
    box-shadow: 0 10px 30px -5px rgba(0, 255, 153, 0.2);
}
.bg-dark-input {
    background-color: var(--dark-bg) !important;
    border: 2px solid #2d2d3a !important;
    border-radius: 1rem !important;
    transition: border 0.3s, box-shadow 0.3s;
}
.bg-dark-input:focus {
    border-color: var(--neon-green) !important;
    box-shadow: 0 0 10px var(--neon-green) !important;
    outline: none;
}
.form-label {
    font-size: 1.6rem;
}

footer {
    background-color: var(--darker-bg);
}

@media (max-width: 576px) {
    .display-3 {
        font-size: 3.5rem;
    }
}

.nav-link-custom {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: block;
    width: 100%;
}
.nav-link-custom:hover {
    color: var(--neon-green) !important;
    border-bottom-color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green);
}

.nav-bg {
    background: rgba(10, 15, 15, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--neon-green);
    z-index: 100;
}