body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f6f8;
    color: #212529;
    margin: 0;
    padding: 0;
}

/* NAVBAR */
.navbar-brand {
    font-weight: 700;
}

.nav-link:hover {
    color: #ffcc00 !important;
}

/* HERO SECTION CON FONDO VERDE SEGURO */
.hero-section {
    background: #004d1a linear-gradient(rgba(0, 77, 26, 0.85), rgba(0, 40, 15, 0.95)), url('../img/hero.jpg') center/cover no-repeat !important;
    color: #ffffff !important;
    padding: 80px 0;
    position: relative;
}

.hero-title {
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* BOTÓN PEMEX */
.btn-pemex {
    background-color: #da291c !important;
    border: none !important;
    color: #ffffff !important;
    padding: 12px 35px;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(218, 41, 28, 0.4);
    transition: all 0.3s ease;
}

.btn-pemex:hover {
    background-color: #b52015 !important;
    transform: translateY(-2px);
}

/* TARJETAS */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}