/* Variables de Color */
:root {
    --primary: #007bff;
    --secondary: #00d4ff;
    --dark: #0a0e1a;
    --card-bg: #161c2d;
    --text-light: #f8f9fa;
    --text-muted: #a0aec0;
    --whatsapp: #25d366;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* Navegación */
#navbar {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: 0.4s;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
}

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

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

.nav-links li a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: 0.3s;
}

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

.nav-btn {
    background: var(--primary);
    padding: 8px 20px;
    border-radius: 5px;
}

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(10, 14, 26, 0.85), rgba(10, 14, 26, 0.85)), 
                url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: auto;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin: 10px;
    transition: 0.3s;
}

.btn-primary { background: var(--primary); color: white; }
.btn-secondary { border: 2px solid var(--primary); color: var(--primary); }

.btn-primary:hover { background: #0056b3; }
.btn-secondary:hover { background: var(--primary); color: white; }

/* Servicios */
.services { padding: 100px 0; }
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: 0.3s;
    border: 1px solid rgba(255,255,255,0.05);
}

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

.icon-box i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

/* Formulario */
.contact { padding: 100px 0; background: #0e1322; }
.contact-box {
    max-width: 600px;
    margin: auto;
}

.contact-text {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn-whatsapp-contact {
    width: 100%;
    padding: 18px;
    background: var(--whatsapp);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: 0.3s;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-contact i {
    font-size: 1.6rem;
}

.btn-whatsapp-contact:hover {
    background: #1eb954;
    transform: translateY(-3px);
}

/* WhatsApp Flotante */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--whatsapp);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    z-index: 1001;
    transition: 0.3s;
}

.whatsapp-float i { font-size: 1.5rem; }

.whatsapp-float:hover {
    transform: scale(1.05);
    background: #1eb954;
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-content h2 { font-size: 2.5rem; }
    .whatsapp-float span { display: none; }
    .whatsapp-float { padding: 15px; border-radius: 50%; }
}