/* Fondo semitransparente para la info del Sol */
#sol .info-izquierda, #sol .info-derecha {
    background: rgba(0, 0, 0, 0.65);
    border-radius: 16px;
    padding: 24px 18px;
    box-shadow: 0 2px 16px 0 rgba(0,0,0,0.18);
    opacity: 0.99;
    position: relative;
    z-index: 20;
}
:root {
    --sol: #FFD700;
    --mercurio: #A9A9A9;
    --venus: #E6E6FA;
    --tierra: #1E90FF;
    --marte: #FF4500;
    --jupiter: #F5DEB3;
    --saturno: #D2B48C;
    --urano: #87CEFA;
    --neptuno: #4169E1;
    --pluton: #BC8F8F;
    --easing: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

html, body {
    height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    /* Oculta la barra de scroll en la mayoría de navegadores */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE y Edge */
}

body::-webkit-scrollbar, html::-webkit-scrollbar {
    display: none; /* Chrome, Safari y Opera */
}

body {
    background: #000;
    color: #fff;
    perspective: 1000px;
}

/* Sección Home */
.home-section {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.home-content {
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.5s forwards;
}

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

.home-title {
    font-size: 4.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffffff, #8A2BE2, #1E90FF, #00BFFF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-transform: uppercase;
    letter-spacing: 5px;
    text-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
}

.home-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.8;
    color: #E6E6FA;
    text-shadow: 0 0 10px rgba(230, 230, 250, 0.5);
}

.home-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.8;
    color: #B0C4DE;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    animation: fadeIn 1s forwards 1s;
}

@keyframes fadeIn {
    to { opacity: 0.8; }
}

.scroll-text {
    margin-bottom: 10px;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(-10px) rotate(-45deg); }
    60% { transform: translateY(-5px) rotate(-45deg); }
}

/* Contenedor principal de planetas */
#contenedor-principal {
    min-height: 100vh;
    width: 100%;
    position: relative;
}

.seccion-planeta {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s var(--easing), visibility 0.8s;
}

.seccion-planeta.activa {
    opacity: 1;
    visibility: visible;
}

.contenedor-planeta {
    display: flex;
    width: 100%;
    max-width: 1400px;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    position: relative;
}

.info-izquierda, .info-derecha {
    width: 35%;
    opacity: 0;
    transform: translateY(50px);
    z-index: 1;
}

.info-izquierda {
    text-align: right;
    padding-right: 40px;
}

.info-derecha {
    padding-left: 40px;
}

.planeta-centro {
    width: 30%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* SOL HIPERREALISTA */
.sol {
    width: 500px;
    height: 500px;
    aspect-ratio: 1/1;
    background: radial-gradient(
        circle at 35% 35%, 
        #FFFFFF 0%, 
        #FFFB73 10%,
        #FFD700 25%,
        #FFA500 45%,
        #FF8C00 65%,
        #FF4500 85%
    );
    box-shadow: 
        0 0 200px rgba(255, 215, 0, 0.8),
        0 0 300px rgba(255, 165, 0, 0.6),
        0 0 400px rgba(255, 140, 0, 0.4),
        0 0 500px rgba(255, 69, 0, 0.2);
    animation: pulsarSol 8s infinite alternate;
    position: relative;
    overflow: visible;
    border-radius: 50%;
}

.sol::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: radial-gradient(
        circle, 
        transparent 40%, 
        rgba(255, 165, 0, 0.2) 60%,
        rgba(255, 69, 0, 0.1) 80%,
        transparent 100%
    );
    border-radius: 50%;
    z-index: -1;
    animation: resplandorSolar 12s infinite alternate;
}

.sol::after {
    content: '';
    position: absolute;
        z-index: 2;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(
            circle at 30% 30%,
            rgba(255, 255, 255, 0.9) 0%,
            rgba(255, 255, 255, 0.6) 5%,
            rgba(255, 255, 255, 0.3) 10%,
            transparent 20%
        ),
        radial-gradient(
            circle at 70% 60%,
            rgba(255, 255, 255, 0.8) 0%,
            rgba(255, 255, 255, 0.4) 5%,
            transparent 15%
        );
    animation: rotarSuperficie 30s infinite linear;
    filter: blur(1px);
}

@keyframes pulsarSol {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 0 150px rgba(255, 215, 0, 0.7),
            0 0 250px rgba(255, 165, 0, 0.5),
            0 0 350px rgba(255, 140, 0, 0.3),
            0 0 450px rgba(255, 69, 0, 0.1);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 
            0 0 200px rgba(255, 215, 0, 0.9),
            0 0 300px rgba(255, 165, 0, 0.7),
            0 0 400px rgba(255, 140, 0, 0.5),
            0 0 500px rgba(255, 69, 0, 0.3);
    }
}

@keyframes resplandorSolar {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes rotarSuperficie {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* MERCURIO - SIMPLE Y ELEGANTE */
.mercurio {
    width: 100px;
    height: 100px;
    background: radial-gradient(
        circle at 30% 30%, 
        #E8E8E8 0%, 
        #C0C0C0 20%,
        #A9A9A9 50%,
        #808080 80%
    );
    box-shadow: 
        0 0 30px rgba(169, 169, 169, 0.6),
        inset 0 0 40px rgba(0, 0, 0, 0.4);
    animation: rotarPlaneta 40s linear infinite;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
}

.mercurio::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(128, 128, 128, 0.9) 5%, transparent 15%),
        radial-gradient(circle at 60% 70%, rgba(128, 128, 128, 0.8) 8%, transparent 18%),
        radial-gradient(circle at 40% 40%, rgba(128, 128, 128, 0.7) 6%, transparent 16%);
    animation: rotarSuperficie 50s infinite linear reverse;
}

/* VENUS - SUAVE Y ATMOSFÉRICO */
.venus {
    width: 140px;
    height: 140px;
    background: radial-gradient(
        circle at 30% 30%, 
        #FFF8DC 0%, 
        #FAEBD7 20%,
        #E6E6FA 40%,
        #D8BFD8 60%,
        #DDA0DD 80%
    );
    box-shadow: 
        0 0 35px rgba(230, 230, 250, 0.7),
        inset 0 0 30px rgba(221, 160, 221, 0.3);
    animation: rotarPlaneta 35s linear infinite reverse;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
}

.venus::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.4) 0%, transparent 20%),
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.3) 0%, transparent 15%);
    animation: rotarNubes 25s infinite linear;
    filter: blur(1.5px);
}

/* TIERRA - REALISMO EXTREMO */
.tierra {
    width: 180px;
    height: 180px;
    background: radial-gradient(
        circle at 30% 30%, 
        #87CEEB 0%, 
        #6495ED 20%,
        #1E90FF 40%,
        #1C86EE 60%,
        #104E8B 80%
    );
    box-shadow: 
        0 0 40px rgba(30, 144, 255, 0.7),
        inset 0 0 35px rgba(16, 78, 139, 0.4);
    animation: rotarPlaneta 24s linear infinite;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    z-index: 1;
}

.tierra::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        /* Continentes suaves */
        radial-gradient(circle at 25% 40%, rgba(34, 139, 34, 0.7) 8%, transparent 18%),
        radial-gradient(circle at 65% 25%, rgba(46, 139, 87, 0.6) 6%, transparent 16%),
        radial-gradient(circle at 40% 70%, rgba(60, 179, 113, 0.5) 10%, transparent 20%),
        radial-gradient(circle at 75% 60%, rgba(32, 178, 170, 0.4) 7%, transparent 17%),
        /* Nubes sutiles */
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.6) 3%, transparent 13%),
        radial-gradient(circle at 60% 50%, rgba(255, 255, 255, 0.5) 5%, transparent 15%),
        radial-gradient(circle at 45% 80%, rgba(255, 255, 255, 0.4) 4%, transparent 14%);
    animation: rotarSuperficie 30s infinite linear;
    filter: blur(0.8px);
}

/* LUNA - SOBRE TODOS LOS ELEMENTOS */
.luna {
    width: 50px;
    height: 50px;
    background: radial-gradient(
        circle at 30% 30%, 
        #F8F8FF 0%, 
        #D3D3D3 25%, 
        #A9A9A9 50%,
        #696969 75%
    );
    border-radius: 50%;
    position: absolute;
    box-shadow: 
        0 0 25px rgba(255, 255, 255, 0.3),
        inset 0 0 20px rgba(105, 105, 105, 0.4);
    overflow: hidden;
    z-index: 10;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(0deg) translateX(120px) rotate(0deg);
    animation: orbitarLuna 6s linear infinite;
}
@keyframes orbitarLuna {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) translateX(120px) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg) translateX(120px) rotate(-360deg);
    }
}

.luna::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(105, 105, 105, 0.9) 8%, transparent 18%),
        radial-gradient(circle at 60% 50%, rgba(169, 169, 169, 0.8) 12%, transparent 22%),
        radial-gradient(circle at 40% 70%, rgba(105, 105, 105, 0.7) 10%, transparent 20%);
    animation: rotarSuperficie 40s infinite linear;
}

.orbita-lunar {
    width: 300px;
    height: 300px;
    border: none; /* Oculta la órbita visualmente */
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
    background: none;
}

/* MARTE - ELEGANTE Y MINIMALISTA */
.marte {
    width: 140px;
    height: 140px;
    background: radial-gradient(
        circle at 30% 30%, 
        #FFA07A 0%, 
        #FF7F50 20%,
        #FF6347 40%,
        #FF4500 60%,
        #B22222 80%
    );
    box-shadow: 
        0 0 35px rgba(255, 69, 0, 0.6),
        inset 0 0 30px rgba(178, 34, 34, 0.3);
    animation: rotarPlaneta 25s linear infinite;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
}

.marte::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(178, 34, 34, 0.8) 10%, transparent 20%),
        radial-gradient(circle at 60% 50%, rgba(178, 34, 34, 0.7) 15%, transparent 25%),
        radial-gradient(circle at 40% 70%, rgba(178, 34, 34, 0.6) 12%, transparent 22%);
    animation: rotarSuperficie 35s infinite linear;
}

/* JÚPITER - SUAVE Y ELEGANTE */
.jupiter {
    width: 300px;
    height: 300px;
    background: radial-gradient(
        circle at 30% 30%, 
        #FFF8DC 0%, 
        #FFEBCD 15%,
        #F5DEB3 35%,
        #DEB887 60%,
        #BC8F8F 85%
    );
    box-shadow: 
        0 0 45px rgba(245, 222, 179, 0.7),
        inset 0 0 35px rgba(188, 143, 143, 0.3);
    animation: rotarPlaneta 15s linear infinite;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
}

.jupiter::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        linear-gradient(
            74deg, 
            transparent 0%, 
            rgba(188, 143, 143, 0.2) 8%,
            transparent 16%,
            rgba(222, 184, 135, 0.3) 24%,
            transparent 32%,
            rgba(245, 222, 179, 0.4) 40%,
            transparent 48%,
            rgba(222, 184, 135, 0.3) 56%,
            transparent 64%,
            rgba(188, 143, 143, 0.2) 72%,
            transparent 80%,
            rgba(245, 222, 179, 0.1) 88%,
            transparent 96%
        );
    animation: rotarBandas 30s infinite linear;
    filter: blur(0.5px);
}

/* SATURNO - PREMIUM Y REALISTA */
.saturno {
    width: 240px;
    height: 240px;
    background: radial-gradient(
        circle at 30% 30%, 
        #F5F5DC 0%, 
        #F0E68C 15%,
        #D2B48C 35%,
        #BC8F8F 60%,
        #A0522D 85%
    );
    box-shadow: 
        0 0 40px rgba(210, 180, 140, 0.6),
        inset 0 0 30px rgba(160, 82, 45, 0.3);
    animation: rotarPlaneta 18s linear infinite;
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    z-index: 3;
}

.saturno::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        linear-gradient(
            83deg, 
            transparent 0%, 
            rgba(160, 82, 45, 0.2) 8%,
            transparent 16%,
            rgba(188, 143, 143, 0.3) 24%,
            transparent 32%,
            rgba(210, 180, 140, 0.4) 40%,
            transparent 48%,
            rgba(188, 143, 143, 0.3) 56%,
            transparent 64%,
            rgba(160, 82, 45, 0.2) 72%,
            transparent 80%
        );
    animation: rotarSuperficie 25s infinite linear;
    filter: blur(0.6px);
}

/* ANILLOS DE SATURNO - ULTRA REALISTAS */
.anillos-saturno {
    position: absolute;
    top: 30%;
    left: -3%;
    width: 400px;
    height: 90px;
    transform: translate(-50%, -50%) rotateX(75deg) rotateZ(20deg);
    border-radius: 50%;
    z-index: 2;
    perspective: 1000px;
    pointer-events: none;
    /* La animación de entrada/salida solo debe afectar opacidad y escala, no la posición */
}

.anillos-saturno::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(
            circle,
            transparent 30%,
            rgba(245, 245, 220, 0.1) 35%,
            rgba(240, 230, 140, 0.2) 40%,
            rgba(210, 180, 140, 0.4) 45%,
            rgba(188, 143, 143, 0.6) 50%,
            rgba(210, 180, 140, 0.4) 55%,
            rgba(240, 230, 140, 0.2) 60%,
            rgba(245, 245, 220, 0.1) 65%,
            transparent 70%
        );
    box-shadow: 0 0 20px rgba(210, 180, 140, 0.3);
    animation: rotarAnillos 20s infinite linear;
    filter: blur(0.3px);
}

/* Resto de planetas con el mismo estilo premium */
.urano {
    width: 160px;
    height: 160px;
    background: radial-gradient(
        circle at 30% 30%, 
        #E0FFFF 0%, 
        #AFEEEE 20%,
        #87CEEB 40%,
        #4682B4 60%,
        #4169E1 80%
    );
    box-shadow: 
        0 0 35px rgba(135, 206, 235, 0.6),
        inset 0 0 30px rgba(65, 105, 225, 0.3);
    animation: rotarPlaneta 20s linear infinite;
    border-radius: 50%;
}

.neptuno {
    width: 160px;
    height: 160px;
    background: radial-gradient(
        circle at 30% 30%, 
        #4169E1 0%, 
        #0000CD 20%,
        #191970 40%,
        #000080 60%,
        #00008B 80%
    );
    box-shadow: 
        0 0 35px rgba(0, 0, 128, 0.6),
        inset 0 0 30px rgba(0, 0, 139, 0.3);
    animation: rotarPlaneta 22s linear infinite;
    border-radius: 50%;
}

.pluton {
    width: 80px;
    height: 80px;
    background: radial-gradient(
        circle at 30% 30%, 
        #D2B48C 0%, 
        #BC8F8F 20%,
        #A0522D 40%,
        #8B4513 60%,
        #654321 80%
    );
    box-shadow: 
        0 0 25px rgba(188, 143, 143, 0.6),
        inset 0 0 20px rgba(101, 67, 33, 0.3);
    animation: rotarPlaneta 25s linear infinite;
    border-radius: 50%;
}

.luna-pluton {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 80px;
    height: 80px;
    margin-left: -40px;
    margin-top: -40px;
    pointer-events: none;
    z-index: 2;
    animation: orbitarPluton 6s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.luna-pluton .luna {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: #e0e0e0;
    border-radius: 50%;
    box-shadow: 0 0 6px #fff8;
    border: 2px solid #bdbdbd;
}

/* ANIMACIONES COMPARTIDAS */
@keyframes rotarPlaneta {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotarSuperficie {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotarNubes {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotarBandas {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotarAnillos {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbitarPluton {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Resto del CSS (se mantiene igual) */
h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: transparent;
    background: linear-gradient(45deg, #ffffff, #aaaaaa);
    -webkit-background-clip: text;
    background-clip: text;
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
    opacity: 0.9;
}

.datos-destacados {
    margin-top: 20px;
    padding: 15px;
    border-left: 3px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    backdrop-filter: blur(5px);
}

.fondo-estrellas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.estrella {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    animation: twinkle 5s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

.indicador-scroll {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.punto-indicador {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(138, 43, 226, 0.4);
    margin: 15px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 0 8px rgba(138, 43, 226, 0.3);
}

.punto-indicador::after {
    content: '';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #E6E6FA;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.punto-indicador:nth-child(1)::after { content: 'Inicio'; }
.punto-indicador:nth-child(2)::after { content: 'Sol'; }
.punto-indicador:nth-child(3)::after { content: 'Mercurio'; }
.punto-indicador:nth-child(4)::after { content: 'Venus'; }
.punto-indicador:nth-child(5)::after { content: 'Tierra'; }
.punto-indicador:nth-child(6)::after { content: 'Marte'; }
.punto-indicador:nth-child(7)::after { content: 'Júpiter'; }
.punto-indicador:nth-child(8)::after { content: 'Saturno'; }
.punto-indicador:nth-child(9)::after { content: 'Urano'; }
.punto-indicador:nth-child(10)::after { content: 'Neptuno'; }
.punto-indicador:nth-child(11)::after { content: 'Plutón'; }

.punto-indicador:hover::after,
.punto-indicador.activo::after {
    opacity: 1;
}

.punto-indicador.activo {
    background: #8A2BE2;
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.7);
}

.titulo-seccion {
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
    opacity: 0.7;
    letter-spacing: 5px;
    text-transform: uppercase;
}

.controles {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 1000;
}

.btn-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.btn-control:hover {
    background: rgba(255, 255, 255, 0.2);
}

.progreso-scroll {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.barra-progreso {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #8A2BE2, #1E90FF, #00BFFF, #8A2BE2);
    background-size: 300% 100%;
    animation: gradientFlow 5s ease infinite;
    transition: width 0.3s ease;
    box-shadow: 0 0 8px rgba(138, 43, 226, 0.7);
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Responsive */
@media (max-width: 992px) {
    .contenedor-planeta {
        flex-direction: column;
        padding: 20px;
    }
    
    .info-izquierda, .info-derecha {
        width: 100%;
        text-align: center;
        padding: 20px 0;
    }
    
    .planeta-centro {
        width: 100%;
        margin: 30px 0;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .home-title {
        font-size: 3rem;
    }
    
    /* Ajustar tamaños de planetas para móviles */
    .sol {
        width: 300px;
        height: 300px;
        aspect-ratio: 1/1;
    }
    
    .mercurio {
        width: 70px;
        height: 70px;
    }
    
    .venus {
        width: 100px;
        height: 100px;
    }
    
    .tierra {
        width: 130px;
        height: 130px;
    }
    
    .luna {
        width: 35px;
        height: 35px;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%) rotate(0deg) translateX(85px) rotate(0deg);
        animation: orbitarLuna 6s linear infinite;
    }
    
    .orbita-lunar {
        width: 220px;
        height: 220px;
    }
    
    .marte {
        width: 100px;
        height: 100px;
    }
    
    .jupiter {
        width: 220px;
        height: 220px;
    }
    
    .saturno {
        width: 180px;
        height: 180px;
    }
    
    .anillos-saturno {
        width: 300px;
        height: 70px;
    }
    
    .urano, .neptuno {
        width: 120px;
        height: 120px;
    }
    
    .pluton {
        width: 60px;
        height: 60px;
    }
    
    .luna-pluton {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 576px) {
    h2 {
        font-size: 2rem;
    }
    
    .home-title {
        font-size: 2.5rem;
    }
    
    .home-subtitle {
        font-size: 1.2rem;
    }
    
    .indicador-scroll {
        right: 10px;
    }
    
    .punto-indicador::after {
        display: none;
    }
    
    /* Ajustar tamaños de planetas para pantallas muy pequeñas */
    .sol {
        width: 250px;
        height: 250px;
        aspect-ratio: 1/1;
    }
    
    .mercurio {
        width: 55px;
        height: 55px;
    }
    
    .venus {
        width: 80px;
        height: 80px;
    }
    
    .tierra {
        width: 100px;
        height: 100px;
    }
    
    .luna {
        width: 28px;
        height: 28px;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%) rotate(0deg) translateX(65px) rotate(0deg);
        animation: orbitarLuna 6s linear infinite;
    }
    
    .orbita-lunar {
        width: 180px;
        height: 180px;
    }
    
    .marte {
        width: 80px;
        height: 80px;
    }
    
    .jupiter {
        width: 170px;
        height: 170px;
    }
    
    .saturno {
        width: 140px;
        height: 140px;
    }
    
    .anillos-saturno {
        width: 240px;
        height: 60px;
    }
    
    .urano, .neptuno {
        width: 100px;
        height: 100px;
    }
    
    .pluton {
        width: 50px;
        height: 50px;
    }
    
    .luna-pluton {
        width: 16px;
        height: 16px;
    }
}