:root {
    --primary-color: #4f46e5;
    --secondary-color: #6366f1;
    --dark-bg: #111827;
    /* Dark para la sección de planes */
    --light-bg: #f8fafc;
    --text-main: #334155;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    scroll-behavior: smooth;
    background-color: #ffffff;
    overflow-x: hidden;
    /* Evita scrolls horizontales raros en móviles */
}

.py-6 {
    padding: 100px 0;
    /* Un poco más de aire se ve más premium */
}

/* NAVBAR */
.navbar-custom {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    padding: 12px 0;
    backdrop-filter: blur(10px);
    /* Efecto moderno de cristal */
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.nav-link:hover {
    color: #ffffff !important;
    opacity: 1;
    transform: translateY(-2px);
    /* Un pequeño salto hacia arriba */
}

/* AÑADE ESTO */
.logo-img {
    height: 60px;
    width: auto;
    margin-right: 5px;
    transition: transform 0.3s ease;
}

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

/* HERO */
.hero {
    /* Overlay degradado sobre imagen de Unsplash */
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.92), rgba(49, 46, 129, 0.92)),
        url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    /* Efecto Parallax suave */
    min-height: 85vh;
}

/* CARDS DE MÓDULOS */
.feature {
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feature:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1) !important;
    background: #ffffff;
}

.bg-primary-light {
    background: #eef2ff;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* SECCIÓN PLANES */
.planes {
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.plan-card {
    border-radius: 24px;
    border: none;
    transition: all 0.4s ease;
    overflow: hidden;
}

/* El plan destacado (Profesional) */
.plan-card.active {
    transform: scale(1.05);
    border: 2px solid var(--primary-color) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3) !important;
}

/* Hover para los planes NO activos */
.plan-card:not(.active):hover {
    transform: translateY(-5px);
}

.precio {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

/* FORMULARIO */
.form-control {
    border: 2px solid transparent;
    transition: all 0.3s;
}

.form-control:focus {
    background: #ffffff !important;
    border: 2px solid var(--primary-color) !important;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1) !important;
}

/* ANIMACIONES */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.delay {
    animation-delay: 0.3s;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsivo para el plan destacado en móvil */
@media (max-width: 768px) {
    .plan-card.active {
        transform: scale(1);
        margin: 20px 0;
    }
}

.app-preview {
    background: #ffffff;
}

.preview-container {
    position: relative;
    max-width: 1000px;
    margin: auto;
}

.app-img {
    border-radius: 20px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.app-img:hover {
    transform: scale(1.03);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}