:root {
    --azul-primario: #003366;
    --azul-acento: #00a8ff;
    --blanco: #ffffff;
    --gris: #f4f7f9;
    --texto: #333;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Roboto', sans-serif; color: var(--texto); line-height: 1.6; scroll-behavior: smooth; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 90px 0; }
.flex { display: flex; align-items: center; gap: 50px; flex-wrap: wrap; }

/* Header */
header { background: var(--blanco); height: 80px; display: flex; align-items: center; position: fixed; width: 100%; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
nav { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo-img { height: 50px; }
.nav-links { display: flex; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--azul-primario); margin-left: 20px; font-weight: 500; font-size: 0.95rem; transition: 0.3s; }
.nav-links a:hover { color: var(--azul-acento); }
.btn-cta { background: var(--azul-primario); color: white !important; padding: 10px 20px; border-radius: 5px; }

/* Slider */
.hero-slider { position: relative; height: 80vh; overflow: hidden; margin-top: 80px; }
.slide { position: absolute; width: 100%; height: 100%; background-size: cover; background-position: center; display: flex; align-items: center; opacity: 0; transition: opacity 1s ease; }
.slide.active { opacity: 1; z-index: 10; }
.hero-content { color: white; max-width: 700px; }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; line-height: 1.2; }
.btn-primary { background: var(--azul-acento); color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; display: inline-block; }

/* Empresa */
.dark-bg { background: linear-gradient(135deg, #001a33 0%, #003366 100%); color: white; }
.about-intro { text-align: center; margin-bottom: 40px; }
.intro-text { font-size: 1.2rem; color: #d1d9e0; max-width: 900px; margin: 0 auto; }
.tech-stack { display: flex; justify-content: center; gap: 15px; margin: 30px 0; flex-wrap: wrap; }
.tech-item { border: 1px solid var(--azul-acento); padding: 8px 18px; border-radius: 50px; color: var(--azul-acento); font-weight: bold; font-size: 0.8rem; text-transform: uppercase; }
.separator { border: 0; height: 1px; background: rgba(255,255,255,0.1); margin: 40px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.about-card { background: rgba(255,255,255,0.05); padding: 30px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
.icon-circle { font-size: 2.2rem; margin-bottom: 15px; }

.icon-circle {
    width: 70px;
    height: 70px;
    background: rgba(0, 168, 255, 0.1); /* Fondo celeste trasl�cido */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--azul-acento); /* Azul vibrante */
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.about-card:hover .icon-circle {
    background: var(--azul-acento);
    color: white;
    transform: scale(1.1);
}

.about-card {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: 0.3s;
}

.about-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: white;
}



/* ERP Section */
/* Cuadr�cula de caracter�sticas del ERP (4 pilares) */
.erp-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 25px 0;
}

.erp-feature {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--azul-acento);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.erp-feature:hover {
    transform: translateY(-3px);
}

.erp-feature strong {
    display: block;
    color: var(--azul-primario);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.erp-feature p {
    font-size: 0.85rem;
    line-height: 1.4;
    color: #666;
}

@media (max-width: 600px) {
    .erp-features-grid {
        grid-template-columns: 1fr; /* En m�viles se apilan uno sobre otro */
    }
}

.erp-icon {
    width: 32px;
    height: 32px;
    color: var(--azul-acento);
    margin-bottom: 10px;
}

.erp-icon svg {
    width: 100%;
    height: 100%;
}

.check-list {
    /*list-style: none;*/ /* Quitamos los puntos por defecto */
    padding-left: 0;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

/* Cards SAEMovil */
.section-title { text-align: center; font-size: 2.5rem; color: var(--azul-primario); margin-bottom: 10px; }
.section-subtitle { text-align: center; color: #666; margin-bottom: 50px; max-width: 800px; margin-inline: auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: white; border-radius: 12px; overflow: hidden; box-shadow: 0 10px 25px rgba(0,0,0,0.05); transition: 0.3s; }
.card:hover { transform: translateY(-10px); }
.card-image-container { height: 200px; overflow: hidden; }
.card-img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 25px; text-align: center; }
.intro-card { color: var(--azul-primario); margin-bottom: 15px; font-size: 0.95rem; border-bottom: 1px solid #eee; padding-bottom: 10px; }

/* Metodolog�a */
.gray-bg { background: var(--gris); }
.image-block, .text-block { flex: 1; min-width: 320px; }
.img-responsive { width: 100%; border-radius: 12px; }
.shadow-lg { box-shadow: 0 15px 35px rgba(0,0,0,0.1); }
.tag { color: var(--azul-acento); font-weight: bold; text-transform: uppercase; font-size: 0.8rem; margin-bottom: 10px; display: block; }
.check-list { list-style: none; margin-top: 20px; }
.check-list li { margin-bottom: 10px; }
.check-list li::before {  color: var(--azul-acento); margin-right: 10px; font-weight: bold; }

/* Clientes y Footer */
.client-grid { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 30px; opacity: 0.5; }
.client-logo { font-weight: bold; font-size: 1.1rem; }
footer { background: #001a33; color: rgba(255,255,255,0.7); text-align: center; padding: 40px 0; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 768px) {
    .grid-2, .flex { flex-direction: column; }
    .hero-content h1 { font-size: 2.2rem; }
    .nav-links { display: none; }
}