body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f8fafc;
}

/* HERO */
.hero{
    flex:1;

    display:flex;
    justify-content:center;
    align-items:center;

    text-align:center;

    background:
        linear-gradient(
            rgba(15,23,42,.75),
            rgba(15,23,42,.75)
        ),
        url("../images/cow-hero.jpg");

    background-size:cover;
    background-position:center;

    padding:40px 20px;
}

.hero-content {
    max-width: 850px;
    animation: fadeUp 1s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h1 {
    font-size: 60px;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;

    animation: slideDown 1.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content p {
    font-size: 22px;
    color: #e5e7eb;
    line-height: 1.8;
    margin-bottom: 35px;

    animation: fadeIn 1.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}
.btn {
    display: inline-block;
    background: #22c55e;
    color: white;
    text-decoration: none;
    padding: 16px 34px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;

    transition: .3s;

    animation: pulse 2s infinite;
}

.btn:hover {
    transform: translateY(-4px) scale(1.05);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34,197,94,.5);
    }

    70% {
        box-shadow: 0 0 0 18px rgba(34,197,94,0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(34,197,94,0);
    }
}