:root {
    --3mk-azul: #0d3b66;
    --3mk-verde: #00a651;
    --3mk-rojo: #ff3a3a;
    --3mk-oscuro: #1a2234;
    --3mk-fondo: #f4f7fb;
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    color: var(--3mk-oscuro);
    background-color: var(--3mk-fondo);
}

.texto-azul {
    color: var(--3mk-azul);
}

.texto-verde {
    color: var(--3mk-verde);
}

.fondo-azul {
    background-color: var(--3mk-azul);
}

.fondo-verde {
    background-color: var(--3mk-verde);
}

.btn-verde {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--3mk-verde);
    --bs-btn-border-color: var(--3mk-verde);
    --bs-btn-hover-bg: #008c44;
    --bs-btn-hover-border-color: #008c44;
    font-weight: 600;
}

.btn-azul {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--3mk-azul);
    --bs-btn-border-color: var(--3mk-azul);
    --bs-btn-hover-bg: #0a2f52;
    --bs-btn-hover-border-color: #0a2f52;
    font-weight: 600;
}

.btn-whatsapp {
    --bs-btn-color: #fff;
    --bs-btn-bg: #25d366;
    --bs-btn-border-color: #25d366;
    --bs-btn-hover-bg: #1fb958;
    --bs-btn-hover-border-color: #1fb958;
    font-weight: 600;
}

.navbar-3mk {
    background: linear-gradient(90deg, var(--3mk-azul) 0%, #124b80 100%);
}

.navbar-logo-fondo {
    background-color: #ffffff;
    line-height: 0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.hero-3mk {
    background: radial-gradient(circle at 15% 20%, rgba(0, 166, 81, 0.2), transparent 45%),
        linear-gradient(135deg, var(--3mk-azul) 0%, #0a2f52 100%);
    color: #fff;
}

.hero-3mk .lead {
    color: rgba(255, 255, 255, 0.92);
}

.bloque-planes-moderno {
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
    border-radius: 1.25rem;
    padding: 1.25rem;
    border: 1px solid rgba(13, 59, 102, 0.06);
}

@media (min-width: 992px) {
    .bloque-planes-moderno {
        padding: 1.75rem;
    }
}

.plan-card-modern {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 1rem;
    border: 1px solid rgba(13, 59, 102, 0.1);
    box-shadow: 0 0.5rem 1.25rem rgba(13, 59, 102, 0.06);
    padding: 1.15rem 1rem 1rem;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    overflow: visible;
}

.plan-card-modern:hover {
    transform: translateY(-6px);
    box-shadow: 0 1rem 2rem rgba(13, 59, 102, 0.12);
    border-color: rgba(0, 166, 81, 0.35);
}

.plan-card-popular {
    border: 2px solid var(--3mk-verde);
    box-shadow: 0 0.75rem 2rem rgba(0, 166, 81, 0.18);
    transform: scale(1.03);
    z-index: 1;
}

.plan-card-popular:hover {
    transform: scale(1.03) translateY(-6px);
}

.plan-etiqueta-top {
    display: block;
    margin: -1.15rem -1rem 0.7rem;
    padding: 0.45rem 0.5rem;
    text-align: center;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.3;
    color: #fff;
    border-radius: calc(1rem - 2px) calc(1rem - 2px) 0 0;
}

.plan-etiqueta-top--verde {
    background-color: var(--3mk-verde);
}

.plan-etiqueta-top--azul {
    background-color: var(--3mk-azul);
}

.plan-card-popular .plan-etiqueta-top {
    margin: calc(-1.15rem - 2px) calc(-1rem - 2px) 0.7rem;
    border-radius: calc(1rem - 4px) calc(1rem - 4px) 0 0;
}

.plan-codigo {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--3mk-azul);
    opacity: 0.85;
}

.plan-nombre {
    font-weight: 700;
    color: var(--3mk-oscuro);
}

.plan-clics {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--3mk-verde);
}

.plan-monto {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    color: var(--3mk-rojo);
    line-height: 1.1;
}

.plan-card-precio {
    padding: 0.65rem 0 1rem;
}

.plan-card-accion {
    padding-top: 0.25rem;
}

.plan-btn-outline {
    --bs-btn-color: var(--3mk-azul);
    --bs-btn-border-color: rgba(13, 59, 102, 0.25);
    --bs-btn-hover-bg: var(--3mk-azul);
    --bs-btn-hover-color: #fff;
    font-weight: 600;
}

.plan-incluye-todos {
    background: linear-gradient(145deg, #0d3b66 0%, #124b80 55%, #0a2f52 100%);
    color: #fff;
}

.plan-incluye-todos .texto-azul {
    color: rgba(255, 255, 255, 0.95) !important;
}

.plan-lista-incluye li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

.plan-lista-incluye li i {
    color: #7dffb0;
    font-weight: 700;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.plan-incluye-todos .text-muted {
    color: rgba(255, 255, 255, 0.72) !important;
}

.etiqueta-plan {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 700;
}

.precio-plan {
    font-size: 2rem;
    font-weight: 700;
    color: var(--3mk-rojo);
    line-height: 1.1;
}

.seccion-titulo {
    position: relative;
    padding-bottom: 0.65rem;
    margin-bottom: 1.75rem;
}

.seccion-titulo::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 4rem;
    height: 3px;
    background: var(--3mk-verde);
    border-radius: 2px;
}

.icono-servicio {
    width: 3.25rem;
    height: 3.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 166, 81, 0.12);
    color: var(--3mk-verde);
    font-size: 1.35rem;
}

.badge-puntaje {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.badge-puntaje.alto {
    color: var(--3mk-verde);
}

.badge-puntaje.medio {
    color: #d48806;
}

.badge-puntaje.bajo {
    color: var(--3mk-rojo);
}

.pie-3mk {
    background: var(--3mk-azul);
    color: rgba(255, 255, 255, 0.9);
}

.lista-auditoria .estado-ok {
    color: var(--3mk-verde);
}

.lista-auditoria .estado-alerta {
    color: #d48806;
}

.lista-auditoria .estado-error {
    color: var(--3mk-rojo);
}

.flotante-whatsapp {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1030;
}

@media (min-width: 768px) {
    .flotante-whatsapp {
        right: 1.25rem;
        bottom: 1.25rem;
    }
}

/* Modales de contacto — plano, sin degradados; campos con contraste */
.modal-3mk {
    border: 1px solid #c5ced8;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1.25rem 3rem rgba(13, 59, 102, 0.18);
}

.modal-3mk-header {
    padding: 1.1rem 1.35rem;
    border-bottom: 3px solid var(--3mk-verde);
}

.modal-3mk-eyebrow {
    opacity: 0.88;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.68rem;
}

.modal-3mk-body {
    background-color: #e8edf3;
    padding: 1.35rem 1.5rem 1.5rem;
}

.modal-3mk-formulario {
    background-color: #ffffff;
    border: 2px solid #c5ced8;
    border-radius: 0.75rem;
    padding: 1.25rem 1.25rem 0.75rem;
    box-shadow: 0 2px 0 rgba(13, 59, 102, 0.04);
}

.modal-3mk-formulario .form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--3mk-oscuro);
    margin-bottom: 0.35rem;
}

.modal-3mk-formulario .form-control,
.modal-3mk-formulario .form-select {
    background-color: #f8fafc;
    border: 2px solid #b8c2ce;
    border-radius: 0.5rem;
    padding: 0.6rem 0.8rem;
    font-size: 0.9375rem;
    color: var(--3mk-oscuro);
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.modal-3mk-formulario .form-control::placeholder {
    color: #8a96a3;
}

.modal-3mk-formulario .form-control:hover,
.modal-3mk-formulario .form-select:hover {
    border-color: #8fa0b3;
    background-color: #fff;
}

.modal-3mk-formulario .form-control:focus,
.modal-3mk-formulario .form-select:focus {
    background-color: #fff;
    border-color: var(--3mk-verde);
    box-shadow: 0 0 0 0.25rem rgba(0, 166, 81, 0.2);
}

.modal-3mk-resumen {
    background-color: #fff;
    border: 2px solid var(--3mk-verde);
    border-radius: 0.5rem;
    color: var(--3mk-oscuro);
    font-weight: 500;
}

.modal-3mk-footer {
    background-color: #fff;
    border-top: 2px solid #dce3ea;
    padding: 1rem 1.5rem 1.25rem;
    gap: 0.5rem;
}