/* Variables de Color */
:root {
    --primary: #007bff;
    --dark: #1a1a1a;
    --light: #f4f7f6;
    --accent: #00d4ff;
    --text-gray: #555;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
    scroll-behavior: smooth;
}

/* Navegación */
header {
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: var(--dark);
    margin: 0 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-nav {
    background: var(--primary);
    color: #fff !important;
    padding: 0.5rem 1.2rem;
    border-radius: 5px;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: transform 0.3s, background 0.3s;
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

/* Servicios */
.services {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.service-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.service-card p {
    color: var(--text-gray);
}

/* Footer */
footer {
    background: var(--dark);
    color: #fff;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content p {
    opacity: 0.7;
    margin-bottom: 1rem;
}

/* Responsivo */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}