/* Puertas y Motores Essence - Color Palette */
:root {
    --primary-blue: #002e5d; /* Dark Corporate Blue */
    --accent-cyan: #00bcd4; /* Action/Highlight */
    --contact-green: #25d366; /* WhatsApp Style */
    --light-bg: #f8f9fa;
    --text-dark: #333333;
    --font-heading: 'Roboto', sans-serif; /* Modern, clean font */
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-blue);
    font-weight: 700;
}

/* Navbar */
.navbar-brand {
    font-weight: bold;
    color: var(--primary-blue) !important;
    font-size: 1.5rem;
}
.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
}
.nav-link:hover, .nav-link.active {
    color: var(--accent-cyan) !important;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}
.btn-primary:hover {
    background-color: #001f40;
    border-color: #001f40;
}
.btn-accent {
    background-color: var(--accent-cyan);
    color: white;
    border: none;
}
.btn-accent:hover {
    background-color: #008ba3;
    color: white;
}
.btn-whatsapp {
    background-color: var(--contact-green);
    color: white;
    font-weight: bold;
}
.btn-whatsapp:hover {
    background-color: #128c7e;
    color: white;
}

/* Hero Section */
.hero-section {
    background-color: var(--light-bg);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Cards */
.service-card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
    border-radius: 8px;
    height: 100%;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.card-icon {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--primary-blue);
    color: white;
    padding: 3rem 0;
}
footer a {
    color: #cbd5e0;
    text-decoration: none;
}
footer a:hover {
    color: white;
}