body {
    background-color: #0A0F1C;
    /*color: #f2f2f2;*/
    color: #ffffff;
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
}
/* cabecera inicio */

.header {
display: flex;
justify-content: space-between;
padding: 1rem 2rem;
background-color: #0A0F1C;
box-shadow: 0 4px 6px rgba(0,0,0,0.5);
}

/* Navbar general */
.navbar {
display: flex;
justify-content: space-between;
align-items: center;
background-color: #0A0F1C;
padding: 20px 50px;
box-shadow: 0 4px 10px rgba(0, 255, 153, 0.1);
position: sticky;
top: 0;
z-index: 1000;
}

/* Logo */
.logo {
font-size: 1.8rem;
font-weight: bold;
color: #00ff99;
letter-spacing: 1px;
cursor: pointer;
}

/* Enlaces */
.nav-links {
list-style: none;
display: flex;
gap: 30px;
}

.nav-links a {
text-decoration: none;
color: #ffffff;
font-weight: 500;
font-size: 1rem;
position: relative;
padding: 5px 0;
transition: color 0.3s ease;
}


.hamburger {
display: none;
font-size: 2rem;
cursor: pointer;
color: #00ff99;
}

@media (max-width: 768px) {
.nav-links {
    display: none;
    flex-direction: column;
    background-color: #0a0f1b;
    position: absolute;
    top: 60px;
    right: 20px;
    width: 200px;
    border-radius: 10px;
    padding: 10px 0;
    z-index: 1000;
}

.nav-links.active {
display: flex;
}

.nav-links li {
text-align: center;
padding: 10px 0;
}

.hamburger {
display: block;
}
}

/* Efecto hover con subrayado animado */
.nav-links a::after {
content: "";
position: absolute;
width: 0%;
height: 2px;
background:#00ff99;
left: 0;
bottom: 0;
transition: 0.3s ease;
}

.nav-links a:hover::after {
width: 100%;
}

.nav-links a:hover {
color: #00ff99;
}


.nav a {
margin-left: 1rem;
/*color: #F1F5F9;*/
text-decoration: none;
}

.nav a:hover {
color: #10B981;
}


/* cabecera fin*/

section {
    padding: 4rem 1rem;
    max-width: 1100px;
    margin: auto;
}

h2 {
    font-size: 2.5rem;
    color: #00ff99;
    margin-bottom: 0.5rem;
}

.intro {
    font-size: 1.2rem;
    /*color: #ccc;*/
    margin-bottom: 2rem;
}

.text {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    /*color: #ddd;*/
    line-height: 1.7;
}

.tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.tool h3 {
    color: #00ff99;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool p {
    /*color: #ccc;*/
    font-size: 0.95rem;
    line-height: 1.5;
}

.tool img {
    width: 32px;
    height: auto;
}

.custom-service {
    background: #1a1a1a;
    padding: 1.5rem;
    border-left: 4px solid #00ff99;
    margin-bottom: 2.5rem;
}

.custom-service h3 {
    color: #00ff99;
    margin-bottom: 0.5rem;
}

.custom-service p {
    /*color: #ddd;*/
    color: #ffffff;
}

.cta {
    text-align: center;
    margin-top: 2rem;
}

.cta .btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: #00ff99;
    color: #0e0e0e;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
}

.cta .btn:hover {
    background-color: #00cc7a;
}