/* RESET */
*,*::before,*::after{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:system-ui, Arial, sans-serif;
    background:#0f172a;
    color:#fff;
}

/* NAV */
nav a{
    color:#fff;
    margin-left:20px;
    text-decoration:none;
    font-weight:500;
}

nav a:hover{
    opacity:.7;
}

/* HERO */
.hero{
    padding:120px 0;
    background:linear-gradient(135deg,#0f172a,#1e293b);
}

.logo{
    font-weight:700;
}

/* ===== ANIMATION BASE ===== */

.animate{
    opacity:0;
    transform:translateY(40px);
    transition:
        opacity .7s ease,
        transform .7s ease;
}

/* estado visible */
.animate.show{
    opacity:1;
    transform:translateY(0);
}

/* variantes opcionales */
.animate-left{
    transform:translateX(-50px);
}

.animate-right{
    transform:translateX(50px);
}

.animate-zoom{
    transform:scale(.92);
}