/* RESET Y BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    color: #222;
    background-color: #fff;
    scroll-behavior: smooth;
}

/* CONTENEDOR GENERAL */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* ENCABEZADO */
header {
    background: linear-gradient(to right, #0033cc, #cc0000);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    display: inline-block;
}

nav {
    float: right;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ffd6d6;
}

/* SECCIONES */
.section {
    padding: 80px 0;
    background-color: #f4f4f4;
}

.section:nth-child(even) {
    background-color: #eaf0ff; /* azul claro */
}

/* SECCIÓN HERO (INICIO) */
.hero {
    background: linear-gradient(rgba(0, 51, 204, 0.8), rgba(204, 0, 0, 0.8)),
                url('taekwondo-hero.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.hero button {
    padding: 15px 30px;
    font-size: 18px;
    background-color: #ff4d4d;
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.hero button:hover {
    background-color: #b30000;
}

/* SECCIÓN DE PROGRAMAS / CARTAS */
.carta {
    background-color: white;
    padding: 30px;
    margin: 20px 0;
    border-left: 5px solid #0033cc;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.carta h3 {
    margin-bottom: 10px;
    color: #0033cc;
}

.carta button {
    margin-top: 15px;
    background-color: #0033cc;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.carta button:hover {
    background-color: #001a66;
}

/* VALORES (LISTA) */
ul {
    list-style-type: disc;
    padding-left: 25px;
}

ul li {
    margin-bottom: 10px;
    font-size: 16px;
}

/* INSCRIPCIÓN */
#inscripcion {
    background: linear-gradient(to right, #0033cc, #cc0000);
    color: white;
    text-align: center;
}

#inscripcion h2 {
    margin-bottom: 30px;
    font-size: 2em;
}

#inscripcion button {
    background-color: white;
    color: #cc0000;
    font-size: 18px;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#inscripcion button:hover {
    background-color: #ffe6e6;
}

/* PIE DE PÁGINA */
footer {
    background-color: #001a66;
    color: white;
    text-align: center;
    padding: 20px 0;
}

/* RESPONSIVO */
@media screen and (max-width: 768px) {
    nav {
        float: none;
        text-align: center;
        margin-top: 10px;
    }

    nav a {
        display: inline-block;
        margin: 10px 15px;
    }

    .hero h1 {
        font-size: 1.8em;
    }

    .carta {
        padding: 20px;
    }
}
.seccion {
  display: none;
}

.seccion.visible {
  display: block;
}