* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
}

body {
    background: #0b0f19;
    color: #f3f4f6;
    font-family: "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.contenedor {
    text-align: center;
    padding: 50px 60px;
    background: rgba(17, 24, 39, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    max-width: 520px;
}

.logo {
    margin: 0 auto 28px;
    display: block;
    filter: drop-shadow(0 10px 20px rgba(249, 115, 22, 0.25));
}

h1 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
    color: #ffffff;
}

h1 span {
    color: #f97316;
}

.subtitulo {
    font-size: 15px;
    color: #9ca3af;
    letter-spacing: 0.5px;
}

.linea {
    width: 80px;
    height: 3px;
    margin: 24px auto;
    background: linear-gradient(90deg, #f97316, #ef4444);
    border-radius: 1.5px;
}

.aviso {
    font-size: 13px;
    color: #6b7280;
}

.aviso span {
    color: #f97316;
    font-weight: 700;
}

@media (max-width: 600px) {
    .contenedor { padding: 35px 25px; }
    .logo { width: 72px; height: 72px; }
    h1 { font-size: 26px; }
}