/* ======== FONDO ESTILO FIFA ULTRA ======== */
body.fifa-bg {
    margin: 0;
    padding: 0;
    font-family: "Poppins", Arial, sans-serif;
    background: radial-gradient(circle at 20% 20%, #003b70, #00162e 60%, #000a18 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    color: white;
}

/* Brillo animado sutil */
body.fifa-bg::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/cubes.png');
    opacity: 0.06;
    pointer-events: none;
}

/* Movimiento suave */
@keyframes fifa-fondoGlow {
    0% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(20deg); }
    100% { filter: hue-rotate(0deg); }
}
body.fifa-bg { animation: fifa-fondoGlow 12s ease-in-out infinite; }

/* ======== CONTENEDOR ======== */
.fifa-container {
    width: 380px;
    background: rgba(255, 255, 255, 0.06);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin: 8% auto;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 35px rgba(0, 200, 255, 0.3),
                inset 0 0 15px rgba(0, 200, 255, 0.15);
    position: relative;
}

/* marco neon */
.fifa-container::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 22px;
    background: linear-gradient(45deg, #00b7ff, #006aff, #d4af37);
    z-index: -1;
    opacity: 0.45;
    filter: blur(4px);
}

/* animación del borde */
@keyframes fifa-borderMove {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}
.fifa-container::before { animation: fifa-borderMove 8s linear infinite; }

/* ======== TÍTULO ======== */
.fifa-title {
    font-size: 30px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #00d4ff;
    margin-bottom: 25px;
    text-shadow: 0 0 12px #00d4ff, 0 0 25px #006aff;
}

/* ======== INPUTS ======== */
.fifa-input {
    width: 90%;
    padding: 14px;
    margin: 12px 0;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.10);
    color: #fff;
    font-size: 15px;
    outline: none;
    box-shadow: inset 0 0 10px rgba(0, 200, 255, 0.3);
    transition: 0.3s;
}

.fifa-input::placeholder {
    color: #a7d9ff;
}

.fifa-input:focus {
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 0 15px #00caff;
    transform: scale(1.03);
}

/* ======== BOTÓN ======== */
.fifa-btn {
    width: 95%;
    padding: 15px;
    background: linear-gradient(90deg, #00b7ff, #006aff);
    border: none;
    border-radius: 14px;
    color: white;
    font-weight: bold;
    font-size: 17px;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 12px;
    box-shadow: 0 0 15px rgba(0, 183, 255, 0.7);
    transition: 0.35s ease;
}

.fifa-btn:hover {
    background: linear-gradient(90deg, #006aff, #00b7ff);
    box-shadow: 0 0 25px #00b7ff;
    transform: scale(1.07);
}

/* ======== LINKS ======== */
.fifa-link {
    color: #d4af37;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.fifa-link:hover {
    text-shadow: 0 0 10px #d4af37, 0 0 20px #d4af37;
    letter-spacing: 1px;
}

/* ======== TEXTO PEQUEÑO ======== */
.fifa-text {
    margin-top: 15px;
    color: #c9e6ff;
    font-size: 14px;
}