/*
 * Estilos principales para Energía Plena 45
 * Diseño responsive con una paleta de colores cálidos y frescos.
 */

:root {
    --color-primary: #00796b; /* Verde azulado profundo */
    --color-secondary: #f58634; /* Naranja vibrante */
    --color-light: #fdfaf5; /* Beige suave */
    --color-dark: #333333; /* Gris oscuro para texto */
    --color-accent: #00a49a; /* Turquesa brillante */
}

body {
    margin: 0;
    font-family: 'Source Sans Pro', sans-serif;
    color: var(--color-dark);
    background-color: var(--color-light);
    line-height: 1.6;
    scroll-behavior: smooth;
}

header {
    position: sticky;
    top: 0;
    width: 100%;
    background-color: var(--color-light);
    border-bottom: 1px solid #e0dfd9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    z-index: 100;
}

.logo {
    font-family: 'Rubik', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--color-secondary);
}

/* Hero Section */
.hero {
    background-image: url('images/hero.png');
    background-size: cover;
    background-position: center;
    color: var(--color-light);
    position: relative;
    padding: 6rem 2rem;
    text-align: center;
}

.hero::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.35);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-family: 'Rubik', sans-serif;
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.btn-primary:hover {
    background-color: var(--color-accent);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-light);
    border: none;
}

.btn-secondary:hover {
    background-color: #e9792a;
}

/* Article Section */
.articulo {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.articulo h2 {
    font-family: 'Rubik', sans-serif;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.articulo p {
    margin-bottom: 1rem;
}

/* Courses Section */
.cursos {
    background-color: var(--color-light);
    padding: 4rem 2rem;
}

.cursos h2 {
    font-family: 'Rubik', sans-serif;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--color-light);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
}

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

.course-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.course-card h3 {
    font-family: 'Rubik', sans-serif;
    color: var(--color-primary);
    font-size: 1.2rem;
    margin: 0.8rem 1rem 0.4rem;
}

.course-card p {
    margin: 0 1rem 0.6rem;
    flex-grow: 1;
}

.course-card .price {
    font-weight: 700;
    color: var(--color-secondary);
    margin: 0 1rem 0.8rem;
}

.course-card button {
    margin: 0 1rem 1rem;
    align-self: flex-start;
}

/* Testimonials Section */
.testimonios {
    background-color: var(--color-light);
    padding: 4rem 2rem;
}

.testimonios h2 {
    font-family: 'Rubik', sans-serif;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto 2rem;
}

.testimonial {
    background-color: var(--color-light);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.testimonial h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    font-family: 'Rubik', sans-serif;
}

.review-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.review-form input,
.review-form textarea {
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: 'Source Sans Pro', sans-serif;
}

.review-form button {
    align-self: flex-start;
}

/* Popup */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

.popup-content {
    background-color: var(--color-light);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hidden {
    display: none;
}

/* Contact Section */
.contacto {
    background-color: var(--color-light);
    padding: 4rem 2rem;
}

.contacto h2 {
    font-family: 'Rubik', sans-serif;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: 'Source Sans Pro', sans-serif;
}

.contact-form label {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    gap: 0.4rem;
}

.contact-form button {
    align-self: flex-start;
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-light);
    text-align: center;
    padding: 2rem 1rem;
}

footer a {
    color: var(--color-secondary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    nav ul {
        gap: 1rem;
    }
    .course-list {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    .testimonials {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero p {
        font-size: 1rem;
    }
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    nav ul {
        flex-wrap: wrap;
        gap: 0.8rem;
        margin-top: 0.5rem;
    }
    .course-card img {
        height: 120px;
    }
}