:root {
    --primary-blue: #0099db;
    --dark-blue: #0a192f;
    --text-color: #333;
    --bg-light: #f8f9fa;
}

* { margin: 0; padding: 0; box-box: border-box; }
body { font-family: 'Inter', sans-serif; color: var(--text-color); line-height: 1.6; }

.container { width: 85%; max-width: 1200px; margin: auto; }

/* Header & Nav */
header { background: #fff; padding: 15px 0; border-bottom: 1px solid #eee; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; font-weight: 700; font-size: 1.2rem; }
.logo img { height: 35px; margin-right: 10px; }
nav ul { display: flex; list-style: none; gap: 25px; align-items: center; }
nav a { text-decoration: none; color: var(--dark-blue); font-weight: 500; font-size: 0.9rem; }
.btn-contact { background: var(--primary-blue); color: #fff; padding: 8px 18px; border-radius: 4px; }

/* Hero Section */
.hero { 
    height: 400px; 
    background: url('hero-bg.jpg') center/cover; 
    position: relative; 
    display: flex; 
    align-items: center;
}
.hero-overlay { 
    position: absolute; top:0; left:0; width:100%; height:100%; 
    background: linear-gradient(to right, rgba(10,25,47,0.8), transparent); 
}
.hero-content { position: relative; z-index: 1; color: #fff; }
.hero h1 { font-size: 3rem; font-weight: 600; max-width: 600px; }

/* Partners */
.partners { padding: 30px 0; background: #fff; border-bottom: 1px solid #eee; }
.partners-grid { 
    display: flex; justify-content: space-between; align-items: center; 
    flex-wrap: wrap; opacity: 0.7; 
}
.partners-grid img { height: 30px; filter: grayscale(1); }

/* Grid de Servicios */
.services { padding: 60px 0; }
.bg-light { background-color: var(--bg-light); }
.section-title { margin-bottom: 40px; font-size: 1.8rem; color: var(--dark-blue); }

.grid-cards { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
}
.card { 
    background: #fff; 
    padding: 40px; 
    text-align: center; 
    border-radius: 8px; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}
.card:hover { transform: translateY(-10px); }
.card img { width: 100%; max-width: 200px; margin-bottom: 20px; }
.card h3 { font-size: 1.1rem; color: #555; }
/* Subtítulo de sección */
.section-subtitle {
    text-align: center;
    margin-top: -30px;
    margin-bottom: 40px;
    color: #666;
    font-size: 1.1rem;
}

/* Ajuste de tarjetas para más contenido */
.card p {
    font-size: 0.9rem;
    color: #666;
    margin-top: 10px;
    line-height: 1.4;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Tarjetas un poco más estrechas */
    gap: 25px;
}