/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

/* Body */
body {
    background-color: #0c1a3a; /* azul muy oscuro */
    color: #e0f0ff; /* azul claro */
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
.header {
    background-color: #0b2c70; /* azul corporativo fuerte */
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.logo {
    color: #e0f0ff;
    font-size: 28px;
    font-weight: bold;
}

.logo span {
    color: #00d4ff; /* azul brillante */
}

.header nav {
    margin-top: 10px;
}

.header nav a {
    color: #e0f0ff;
    margin-right: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.header nav a:hover {
    color: #00d4ff;
    transform: scale(1.1);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #004080, #0077cc);
    color: #fff;
    padding: 140px 0 100px 0; /* espacio para header fijo */
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h2 {
    font-size: 44px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    background-color: #00d4ff; /* azul brillante */
    color: #0c1a3a;
    padding: 14px 36px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: all 0.4s ease;
}

.btn:hover {
    background-color: #0091cc;
    color: #fff;
    box-shadow: 0 0 20px #00d4ff, 0 0 40px #00d4ff;
    transform: translateY(-3px) scale(1.05);
}

/* Services */
.services {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 80px auto;
}

.card {
    background-color: #001f4d; /* azul muy oscuro */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    flex: 1;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.card:hover {
    transform: translateY(-15px) rotate(-1deg);
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    background: linear-gradient(135deg, #004080, #0077cc);
}

.card h3 {
    margin-bottom: 15px;
    color: #00d4ff;
}

/* Footer */
.footer {
    background-color: #0b2c70;
    color: #a0d4ff;
    text-align: center;
    padding: 25px;
    margin-top: 60px;
}