/* FUENTE GENERAL */
body {
    font-family: 'Montserrat', sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

/* HEADER */
.header {
    background: white;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    color: blue;
}

.logo img {
    width: 35px;
    margin-right: 8px;
}

/* Menú de navegación */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-menu a {
    text-decoration: none;
    color: blue;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

.nav-menu a.active {
    font-weight: bold;
    text-decoration: underline;
}

.nav-menu a:hover {
    color: darkblue;
}

.btn-action {
    font-weight: bold;
    background: #e2e8f0;
}

/* SECCIÓN INTRODUCTORIA */
.premium-intro {
    background: linear-gradient(to right, #3b82f6, #6c63ff);
    color: white;
    text-align: center;
    padding: 50px 20px;
}

.premium-intro h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.premium-intro p {
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

/* SECCIÓN DE CARDS DE PLANES */
.premium-plans {
    margin: 50px 0;
}

.plan-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.1);
    width: 260px;
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
}

.plan-card:hover {
    transform: translateY(-5px);
}

.plan-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

.plan-card .price {
    font-size: 28px;
    color: #3b82f6;
    margin-bottom: 10px;
}

.plan-card .price span {
    font-size: 14px;
    color: #666;
}

.plan-card .subtitle {
    font-weight: bold;
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.plan-card .features {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    text-align: left;
    font-size: 14px;
    color: #444;
}

.plan-card .features li {
    margin: 5px 0;
}

.select-btn {
    display: inline-block;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 25px;
    padding: 10px 20px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
    text-decoration: none;
}

.select-btn:hover {
    background: #2a66c2;
}

.select-btn.disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* BOTONES DE COMPRA (opcional) */
.plan-buttons {
    margin: 30px 0;
}

.plan-buttons .btn {
    margin: 10px;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 25px;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .premium-plans .container {
        flex-direction: column;
        align-items: center;
    }
    .plan-card {
        width: 80%;
        margin-bottom: 20px;
    }
}