/* Variables de Color Modernas */
:root {
    --bg-color: #0a0a0a;
    --bg-accent: #141414;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #00e5ff; /* Cian vibrante */
    --accent-hover: #00b3c7;
    --btn-text: #000000;
    --card-border: #2a2a2a;
    
    --font-main: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* Resets Básicos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

/* Navegación */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

/* Sección Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    background: radial-gradient(circle at center, #1a1a1a 0%, #0a0a0a 100%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
}

.pre-title {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Botones Modernos */
.btn-primary, .btn-secondary {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 2px solid var(--card-border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--bg-accent);
    border-color: var(--text-muted);
}

/* Contenedores de Sección */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 3rem;
    text-align: center;
}

/* Servicios Grid */
.services {
    background-color: var(--bg-accent);
}

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

.service-card {
    background-color: var(--bg-color);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    transition: 0.3s ease;
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

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

.service-card p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Sección Contacto */
.contact-box {
    text-align: center;
    max-width: 700px;
}

.contact-box p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.contact-btn.whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background-color: #25D366; /* Color oficial WhatsApp */
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-btn.whatsapp:hover {
    background-color: #1ebd5b;
    transform: scale(1.05);
}

.ws-icon {
    width: 24px;
    height: 24px;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive (Móviles) */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .cta-group {
        flex-direction: column;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
}