/* Variables globales */
:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --danger-color: #ea4335;
    --success-color: #34a853;
    --max-width: 1100px;
}

/* Reset básico */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    overflow: hidden;
}

/* Botones */
.btn {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: opacity 0.2s ease-in;
}

.btn:hover {
    opacity: 0.9;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://source.unsplash.com/random/1600x900/?tech') no-repeat center center/cover;
    color: #fff;
    height: 60vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta {
    background-color: var(--primary-color);
    color: #fff;
    padding: 5rem 0;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn {
    background-color: #fff;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

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

.social-links a {
    color: #fff;
    margin: 0 0.5rem;
    font-size: 1.5rem;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        height: 50vh;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}