/* Variables de color para tema oscuro */
:root {
    --primary-color: #9a9b9d;
    --secondary-color: #6c757d;
    --dark-bg: #121212;
    --dark-bg2: #1e1e1e;
    --dark-bg3: #2d2d2d;
    --text-light: #f8f9fa;
    --text-muted: #adb5bd;
    --border-color: #444;
}

/* Estilos generales */
body {
    background-color: var(--dark-bg);
    color: var(--text-light);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 76px; /* Para la navbar fija */
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg2) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    top: -100px;
    right: -100px;
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--dark-bg3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 0;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.floating-icon:nth-child(3) {
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.floating-icon:nth-child(4) {
    bottom: 0;
    right: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Fondo para secciones */
.bg-dark2 {
    background-color: var(--dark-bg2) !important;
}

/* Tarjetas de servicio */
.service-card {
    background: var(--dark-bg3);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(13, 110, 253, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

/* Badges de tecnologías */
.tech-badge {
    background: var(--dark-bg3);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.tech-badge:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.tech-category {
    background: var(--dark-bg3);
    border-radius: 15px;
    padding: 25px;
    height: 100%;
    border: 1px solid var(--border-color);
}

/* Estadísticas */
.stats-container {
    background: linear-gradient(135deg, var(--dark-bg3) 0%, #2c3e50 100%);
    border: 1px solid var(--border-color);
}

/* Formulario de contacto */
.contact-form-card {
    background: var(--dark-bg3);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-form-card .form-control {
    background: var(--dark-bg2);
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.contact-form-card .form-control:focus {
    background: var(--dark-bg2);
    border-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.contact-form-card .form-select {
    background: var(--dark-bg2);
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.contact-form-card .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Información de contacto */
.contact-info {
    padding: 20px;
    background: var(--dark-bg3);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.contact-info:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

/* Navbar */
.navbar {
    background-color: rgba(18, 18, 18, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 50px;
        padding-bottom: 50px;
        min-height: auto;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .floating-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}