/* ===========================
   PALETA Y VARIABLES
=========================== */
:root {
    --dark: #070b11;
    --dark-soft: #0c1118;
    --text: #e5eefe;
    --cyan: #00e5ff;
    --accent: #ffb444;
    --cyan-glow: rgba(0, 229, 255, 0.6);
    --shadow-strong: 0 0 40px rgba(0, 229, 255, 0.25);
}

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

html, body {
    height: 100%;
    font-family: "Roboto", Arial, sans-serif;
    background: var(--dark);
    color: var(--text);
    overflow: hidden;
}

/* ===========================
   FONDO CON IMAGEN
=========================== */
#hero-background {
    position: fixed;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(circle at top left, rgba(0, 229, 255, 0.25), transparent 55%),
        radial-gradient(circle at bottom right, rgba(0, 229, 255, 0.18), transparent 55%),
        url("../fondo.png") center center / cover no-repeat fixed;
    filter: saturate(1.1);
}

#hero-background::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.55),
        rgba(0, 0, 0, 0.85)
    );
}

/* ===========================
   CAPA DE CONTENIDO
=========================== */
.content-overlay {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

/* ===========================
   LOGO
=========================== */
.logo {
    font-size: 2.8rem;
    letter-spacing: 10px;
    color: var(--cyan);
    margin-bottom: 40px;
    text-transform: uppercase;
    text-shadow: 0 0 18px var(--cyan-glow);
    animation: fadeIn 1.2s ease-out;
}

/* ===========================
   CAJA PRINCIPAL
=========================== */
.message-box {
    max-width: 600px;
    width: 92%;
    padding: 45px 40px;
    background: rgba(7, 11, 17, 0.9);
    border: 1px solid var(--cyan);
    box-shadow: var(--shadow-strong);
    border-radius: 8px;
    animation: fadeUp 1.1s ease-out;
}

/* TITULO */
.title {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #ffffff;
}

/* TEXTO */
.quote {
    font-size: 1.1rem;
    line-height: 1.6;
    border-left: 4px solid var(--cyan);
    padding-left: 15px;
    margin-bottom: 28px;
    color: #cfd8e5;
    animation: slideGlow 2.5s infinite alternate ease-in-out;
}

.strong {
    color: #ffffff;
    font-weight: 700;
}

/* FECHA */
.launch-date {
    margin-top: 15px;
    font-size: 1.05rem;
    font-weight: bold;
    color: var(--accent);
    letter-spacing: 1px;
}

/* FOOTER */
footer {
    position: absolute;
    bottom: 20px;
    font-size: 0.9rem;
    opacity: 0.75;
}

footer a {
    color: var(--cyan);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* ===========================
   ANIMACIONES
=========================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideGlow {
    from { border-left-color: var(--cyan); }
    to   { border-left-color: #54ffff; }
}

/* ===========================
   RESPONSIVE SIMPLE
=========================== */
@media (max-width: 600px) {
    .logo {
        font-size: 2.1rem;
        letter-spacing: 6px;
        margin-bottom: 25px;
    }

    .message-box {
        padding: 30px 22px;
    }

    .title {
        font-size: 1.6rem;
    }

    .quote {
        font-size: 1rem;
    }
}


.message-box {
    max-width: 600px;
    width: 92%;
    padding: 45px 40px;
    background: rgba(7, 11, 17, 0.9);
    border: 1px solid var(--cyan);
    box-shadow: var(--shadow-strong);
    border-radius: 8px;
    
    /* Animaciones combinadas */
    animation:
        fadeUp 0.5s ease-out,
        floatBox 6s ease-in-out infinite;
}

/* Animación flotante */
@keyframes floatBox {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(-6px); }
    100% { transform: translateY(0); }
}