/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--background);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}

.logo img {
    height: 40px;
}

.theme-toggle button,
.language-toggle button {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.25rem;
}

.language-toggle button {
    font-weight: bold;
    margin-right: 1rem;
    right: 320px;
}

/* Slider */
.slider {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider-container {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Efecto bifuminado */
.slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
}

.slide-content {
    color: white;
    left: 50%;
    position: absolute;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.slide-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.slide-content p {
    font-size: 1.5rem;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 1rem;
    cursor: pointer;
    font-size: 1.5rem;
}

.slider-btn.prev {
    left: 1rem;
}

.slider-btn.next {
    right: 1rem;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Cards */
.card, .service-card {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.service-card {
    text-align: center;
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Contact Form */
.contact-form {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 0.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    background-color: var(--background);
    color: var(--text);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* Contact Info */
.contact-info {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 0.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-item i {
    margin-right: 1rem;
    color: var(--primary);
}

.contact-item a {
    color: var(--text);
    text-decoration: none;
}

/* Footer */
footer {
    background-color: var(--surface);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .slider {
        height: 300px;
    }

    .slide-content h1 {
        font-size: 1.5rem;
    }
}

.span-hidden-text {
    display: none;
}

#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

#langToggle img {
    width: 20px;
    height: auto;
    transition: transform 0.3s ease-in-out;
}

#langToggle:hover img {
    transform: scale(1.1);
    border-radius: 5px;
}

#themeToggle:hover {
    transform: scale(1.1);
    border-radius: 5px;
}