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

body {
    background: radial-gradient(ellipse at center, #0c1445 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #000428 100%);
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 0;
    padding-top: 60px;
    position: relative;
    overflow-x: hidden;
}

/* Fondo del universo */
.universe-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Estrellas animadas */
.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 4s ease-in-out infinite;
}

.stars:nth-child(2) {
    background-size: 300px 150px;
    animation-delay: -2s;
    animation-duration: 6s;
}

.stars:nth-child(3) {
    background-size: 400px 200px;
    animation-delay: -4s;
    animation-duration: 8s;
}

/* Nebulosa */
.nebula {
    position: absolute;
    width: 120vw;
    height: 120vh;
    background: 
        radial-gradient(ellipse 1200px 600px at 20% 30%, rgba(120, 119, 198, 0.3), transparent),
        radial-gradient(ellipse 1000px 500px at 80% 70%, rgba(255, 119, 198, 0.2), transparent),
        radial-gradient(ellipse 800px 400px at 50% 20%, rgba(120, 219, 255, 0.2), transparent),
        radial-gradient(ellipse 1500px 800px at 10% 80%, rgba(100, 150, 255, 0.15), transparent),
        radial-gradient(ellipse 900px 450px at 90% 10%, rgba(200, 100, 255, 0.1), transparent);
    animation: nebulaFloat 20s ease-in-out infinite;
    left: -10vw;
    top: -10vh;
}

/* Galaxias espirales */



/* Planetas flotantes */
.planet {
    position: absolute;
    border-radius: 50%;
    box-shadow: inset -10px -10px 20px rgba(0,0,0,0.5);
}

.planet-1 {
    width: 25px;
    height: 25px;
    background: radial-gradient(circle at 30% 30%, #ff6b6b, #ee5a52);
    top: 25%;
    left: 15%;
    animation: planetFloat 15s ease-in-out infinite;
}

.planet-2 {
    width: 30px;
    height: 30px;
    background: radial-gradient(circle at 40% 40%, #4ecdc4, #44a08d);
    top: 70%;
    right: 20%;
    animation: planetFloat 12s ease-in-out infinite reverse;
}

.planet-3 {
    width: 25px;
    height: 25px;
    background: radial-gradient(circle at 50% 50%, #ffe66d, #f7dc6f);
    top: 15%;
    right: 30%;
    animation: planetFloat 18s ease-in-out infinite;
}

/* Astronauta flotante */
.astronaut {
    position: absolute;
    width: 40px;
    height: 60px;
    top: 40%;
    left: 50%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.astronaut::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    background: #fff;
    border-radius: 50%;
    top: 0;
    left: 5px;
    border: 2px solid #ccc;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.astronaut::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 35px;
    background: #fff;
    border-radius: 20px 20px 5px 5px;
    top: 25px;
    left: 0;
    border: 2px solid #ccc;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.astronaut-helmet {
    position: absolute;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    top: -1px;
    left: 4px;
    border: 2px solid #ddd;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
}

.astronaut-helmet::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 12px;
    background: #1a1a1a;
    border-radius: 8px 8px 4px 4px;
    top: 6px;
    left: 6px;
    box-shadow: inset 0 0 4px rgba(0,0,0,0.8);
    border: 1px solid #333;
}

.astronaut-arm-left {
    position: absolute;
    width: 8px;
    height: 20px;
    background: #fff;
    border-radius: 4px;
    top: 30px;
    left: -5px;
    transform-origin: top;
    transform: rotate(-45deg);
    animation: astronautArmFloat 4s ease-in-out infinite;
}

.astronaut-arm-right {
    position: absolute;
    width: 8px;
    height: 20px;
    background: #fff;
    border-radius: 4px;
    top: 30px;
    right: -5px;
    transform-origin: top;
    transform: rotate(45deg);
    animation: astronautArmFloat 4s ease-in-out infinite reverse;
}

.astronaut-leg-left {
    position: absolute;
    width: 10px;
    height: 15px;
    background: #fff;
    border-radius: 5px;
    bottom: -10px;
    left: 5px;
    transform-origin: top;
    transform: rotate(-10deg);
    animation: astronautLegFloat 3s ease-in-out infinite;
}

.astronaut-leg-right {
    position: absolute;
    width: 10px;
    height: 15px;
    background: #fff;
    border-radius: 5px;
    bottom: -10px;
    right: 5px;
    transform-origin: top;
    transform: rotate(10deg);
    animation: astronautLegFloat 3s ease-in-out infinite reverse;
}



/* Animaciones */
@keyframes twinkle {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes nebulaFloat {
    0%, 100% { transform: translateX(0px) translateY(0px); }
    25% { transform: translateX(-30px) translateY(-15px); }
    50% { transform: translateX(20px) translateY(10px); }
    75% { transform: translateX(-15px) translateY(5px); }
}



@keyframes planetFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes astronautFloat {
    0%, 100% { transform: translateY(0px) translateX(0px) rotate(2deg); }
    25% { transform: translateY(-12px) translateX(3px) rotate(-1deg); }
    50% { transform: translateY(-20px) translateX(-2px) rotate(3deg); }
    75% { transform: translateY(-8px) translateX(5px) rotate(-2deg); }
}

@keyframes astronautArmFloat {
    0%, 100% { transform: rotate(-45deg) translateY(0px); }
    50% { transform: rotate(-35deg) translateY(-5px); }
}

@keyframes astronautLegFloat {
    0%, 100% { transform: rotate(-10deg) translateY(0px); }
    50% { transform: rotate(-5deg) translateY(-3px); }
}





@keyframes spaceTwinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Barra superior blanca */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(90deg, #ffffff, #f8f9fa, #e9ecef);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 2000;
}

.top-bar h2 {
    color: #000000;
    font-size: 1.6rem;
    font-family: 'Nunito', 'Quicksand', sans-serif;
    font-weight: 800;
    margin: 0;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
}

/* Menú superior */
.top-menu {
    display: flex;
    gap: 20px;
    align-items: center;
    position: relative;
}

.menu-btn {
    background: transparent;
    border: none;
    color: #000000;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.menu-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.menu-btn:active {
    transform: translateY(0);
}

/* Dropdown de contacto */
.contact-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 3000;
    margin-top: 10px;
    min-width: 250px;
}

.contact-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.contact-content {
    padding: 15px 20px;
    border-radius: 8px;
}

.contact-email {
    color: #333;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Flecha del dropdown */
.contact-dropdown::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid white;
}

.container {
    max-width: 800px;
    margin: 20px;
    text-align: center;
    animation: float 6s ease-in-out infinite;
    transition: all 0.3s ease;
}

.container:hover {
    transform: translateY(-10px);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

h1 {
    color: #ffffff;
    font-size: 2.8rem;
    font-family: 'Nunito', 'Quicksand', sans-serif;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 1s ease-out 0.5s both;
    letter-spacing: -0.2px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    color: #ffffff;
    font-size: 1.3rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 1s both;
    position: relative;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.2px;
}



@keyframes float-particle {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 1;
    }
}

/* Teléfono móvil 3D estático */
.mobile-3d {
    position: fixed;
    width: 60px;
    height: 120px;
    top: 30%;
    left: 70%;
    z-index: 1002;
    transform-style: preserve-3d;
}

.mobile-face {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.mobile-front {
    width: 60px;
    height: 120px;
    background: linear-gradient(45deg, #2c3e50, #34495e);
    transform: translateZ(8px);
    border-radius: 8px;
    position: relative;
}

.mobile-back {
    width: 60px;
    height: 120px;
    background: linear-gradient(45deg, #34495e, #2c3e50);
    transform: translateZ(-8px) rotateY(180deg);
    border-radius: 8px;
}

.mobile-right {
    width: 16px;
    height: 120px;
    background: linear-gradient(45deg, #95a5a6, #7f8c8d);
    transform: translateX(30px) rotateY(90deg);
    border-radius: 4px;
}

.mobile-left {
    width: 16px;
    height: 120px;
    background: linear-gradient(45deg, #95a5a6, #7f8c8d);
    transform: translateX(-30px) rotateY(-90deg);
    border-radius: 4px;
}

.mobile-top {
    width: 60px;
    height: 16px;
    background: linear-gradient(45deg, #7f8c8d, #95a5a6);
    transform: translateY(-60px) rotateX(90deg);
    border-radius: 4px;
}

.mobile-bottom {
    width: 60px;
    height: 16px;
    background: linear-gradient(45deg, #7f8c8d, #95a5a6);
    transform: translateY(60px) rotateX(-90deg);
    border-radius: 4px;
}

/* Pantalla del teléfono */
.mobile-screen {
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    background: linear-gradient(45deg, #3498db, #2980b9);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    color: white;
    text-align: center;
    line-height: 1.2;
}

/* Botón de encendido */
.mobile-button {
    position: absolute;
    width: 4px;
    height: 20px;
    background: #2c3e50;
    border-radius: 2px;
    right: -6px;
    top: 30px;
    border: 1px solid #34495e;
}

/* Cámara */
.mobile-camera {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #000;
    border-radius: 50%;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    border: 1px solid #333;
}

@keyframes mobileFloat {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }
    16.66% {
        transform: translateY(-25px) translateX(15px) rotateX(10deg) rotateY(30deg) rotateZ(5deg);
    }
    33.33% {
        transform: translateY(-15px) translateX(-10px) rotateX(-5deg) rotateY(60deg) rotateZ(-3deg);
    }
    50% {
        transform: translateY(-30px) translateX(8px) rotateX(15deg) rotateY(90deg) rotateZ(8deg);
    }
    66.66% {
        transform: translateY(-8px) translateX(-18px) rotateX(-8deg) rotateY(120deg) rotateZ(-5deg);
    }
    83.33% {
        transform: translateY(-22px) translateX(12px) rotateX(8deg) rotateY(150deg) rotateZ(3deg);
    }
}



/* Muñeco Napoleón estático */
.napoleon {
    position: fixed;
    width: 60px;
    height: 80px;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
}

.napoleon::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background: #8B4513;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    top: 0;
    left: 10px;
    border: 2px solid #654321;
}

.napoleon::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 45px;
    background: #4169E1;
    border-radius: 15px 15px 5px 5px;
    top: 35px;
    left: 5px;
    border: 2px solid #1E3A8A;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.napoleon-hat {
    position: absolute;
    width: 35px;
    height: 25px;
    background: #000080;
    border-radius: 50% 50% 0 0;
    top: -5px;
    left: 12px;
    border: 2px solid #000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.napoleon-hat::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: #FFD700;
    border-radius: 50%;
    top: 5px;
    left: 13px;
    border: 1px solid #B8860B;
}

.napoleon-arm-left {
    position: absolute;
    width: 8px;
    height: 25px;
    background: #8B4513;
    border-radius: 4px;
    top: 40px;
    left: 2px;
    transform-origin: top;
}

.napoleon-arm-right {
    position: absolute;
    width: 8px;
    height: 25px;
    background: #8B4513;
    border-radius: 4px;
    top: 40px;
    right: 2px;
    transform-origin: top;
}

.napoleon-leg-left {
    position: absolute;
    width: 10px;
    height: 20px;
    background: #654321;
    border-radius: 5px;
    bottom: 0;
    left: 15px;
    transform-origin: top;
}

.napoleon-leg-right {
    position: absolute;
    width: 10px;
    height: 20px;
    background: #654321;
    border-radius: 5px;
    bottom: 0;
    right: 15px;
    transform-origin: top;
}

@keyframes napoleonWalk {
    0%, 100% {
        transform: translateX(0) scaleX(1);
    }
    25% {
        transform: translateX(-20px) scaleX(1);
    }
    50% {
        transform: translateX(-40px) scaleX(-1);
    }
    75% {
        transform: translateX(-20px) scaleX(-1);
    }
}

@keyframes armSwing {
    0%, 100% {
        transform: rotate(-15deg);
    }
    50% {
        transform: rotate(15deg);
    }
}

@keyframes legWalk {
    0%, 100% {
        transform: rotate(-10deg);
    }
    50% {
        transform: rotate(10deg);
    }
}



/* Botones de descarga */
.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    animation: fadeInUp 1s ease-out 1.5s both;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    min-width: 180px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.ios-btn {
    background: linear-gradient(45deg, #000000, #333333);
    color: white;
}

.ios-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #333333, #000000);
}

.android-btn {
    background: linear-gradient(45deg, #3DDC84, #2BB673);
    color: white;
}

.android-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(61, 220, 132, 0.4);
    background: linear-gradient(45deg, #2BB673, #3DDC84);
}

.btn-icon {
    font-size: 1.5rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.btn-title {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 400;
}

.btn-platform {
    font-size: 1.1rem;
    font-weight: 600;
}

.download-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
        letter-spacing: -0.2px;
        font-weight: 800;
    }
    
    .subtitle {
        font-size: 1.1rem;
        letter-spacing: 0.1px;
    }
    
    .container {
        padding: 30px 20px;
        margin: 15px;
    }
    
    .top-bar h2 {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }
    
    .top-bar {
        padding: 0 20px;
    }
    
    .top-menu {
        gap: 15px;
    }
    
    .menu-btn {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .download-btn {
        min-width: 200px;
        padding: 12px 20px;
    }
}