:root {
  --color-nonmetal: #FFB6C1;         
  --color-noble-gas: #87CEEB;         
  --color-alkali-metal: #FFA07A;     
  --color-alkaline-earth: #98FB98;   
  --color-metalloid: #DDA0DD;         
  --color-halogen: #F0E68C;           
  --color-transition-metal: #E6E6FA;  
  --color-post-transition: #B0C4DE;   
  --color-lanthanide: #FFE4B5;        
  --color-actinide: #FFDAB9; 
  --color-electron: #333333;
  --color-proton: #f57777;
  --color-neutron: #62b6d0;
}

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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 1rem;
    flex: 1;
    position: relative;
    overflow: hidden;
}

.container h1 {
    margin-top: 4rem;
}

h1 {
    text-align: center;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.centered-text {
    text-align: center;
    margin: 1rem 0rem;
}

.swipe-hint {
    display: none;
    margin: 1rem;
    color: #2c3e50;
    position: relative;
    z-index: 5;
}

.swipe-icon-container {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.swipe-icon-container i {
    font-size: 2rem;
    color: #FF4700;
    animation: swipeRight 2.5s infinite ease-in-out;
    transform: rotate(45deg);
}

.swipe-text {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swipe-text span {
    font-size: 1rem;
    color: #FF4700;
    text-align: center;
}

@keyframes swipeRight {
    0% {
        transform: translateX(30px) rotate(45deg);
        opacity: 0.9;
    }
    50% {
        transform: translateX(-30px) rotate(45deg);
        opacity: 0.3;
    }
    100% {
        transform: translateX(30px) rotate(45deg);
        opacity: 0.9;
    }
}

/* Mostrar solo en móvil */
@media (max-width: 768px) {
    .swipe-hint {
        display: block;
    }
}

/* sección - Reflexión */
.reflection {
    position: relative;
    width: 100vw;
    height: 100vh;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 10rem 0;
    background: url('./files/nasa-astronaut.jpg') no-repeat center center;
    background-size: cover;
    background-position: center;
    background-attachment:fixed;    
    color: white;
    text-align: center;
    display: flex; 
    flex-direction: column; 
    justify-content: flex-end; 
    align-items: center; 
    background-color: black;
}

.reflection-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

.reflection h3 {
    color: white;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.reflection p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-size: 1.3rem;
}

/* Ajuste para pantallas de 14 pulgadas o menos */
@media (max-width: 1366px) {
    .reflection-content {
        margin-top: 8rem;
        padding-bottom: 0.5rem;

    }
}

/* Ajuste para pantallas aún más pequeñas */
@media (max-width: 1024px) {
    .reflection-content {
        margin-top: 6rem;
    
    }
}

/* sección - Tabla Periódica */
.periodic-table-container {
    max-width: 100%;
    margin: 4rem auto 0;
    padding: 0;
    overflow-x: auto;
}

.periodic-table {
    position: relative;
    display: grid;
    grid-template-columns: repeat(18, 1fr);
    gap: 2px;
    padding: 0.5rem;
    background-color: #f0f2f5;
    border-radius: 10px;
    margin-bottom: 0;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
}

.element {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.2rem;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s;
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    min-width: 0;
    font-size: 0.8rem;
}

/* Modo incompleto (elemento sin página creada) */
.element.incomplete {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Modo completado (elemento con página creada) */
.element.completed {
    opacity: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: pulseElement 2s infinite ease-in-out;
}

.element.completed:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    animation: none;
}

@keyframes pulseElement {
    0% {
        transform: scale(1);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
}

.element button {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1;
}

.element a {
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Elementos con enlace */
.element:has(a) {
    opacity: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid #2c3e50;
}

.element:has(a):hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Elementos sin enlace */
.element:not(:has(a)) {
    cursor: not-allowed;
}

.element .number {
    font-size: 0.6rem;
    color: #333;
    font-weight: 500;
}

.element .symbol {
    font-size: 1rem;
    font-weight: bold;
    margin: 0.1rem 0;
}

.element .name {
    font-size: 0.5rem;
    text-align: center;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* Ajustar esto para que no sea solo el carbono si no cualquiera que este con página creada */
/* Estilos específicos para el Carbono */
.element.carbon {
    color: white;
    opacity: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid #2c3e50;
}

.element.carbon:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.element.carbon .number,
.element.carbon .name {
    color: rgba(255, 255, 255, 0.9);
}

/* Espacios vacíos en la tabla */
.empty {
    visibility: hidden;
}

/* Estilos para la leyenda de la tabla periódica */
.legend {
    position: relative;
    z-index: 4;
}

.legend-container {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    padding: 0 1rem;
    margin-top: 0.5rem;
}

.legend-header {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
    margin: 0;
}

.legend-header:hover {
    background-color: rgba(255, 255, 255, 1);
}

.legend-header h3 {
    color: #2c3e50;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 500;
}

.legend-header i {
    color: #2c3e50;
    transition: transform 0.3s ease;
}

.legend:hover .legend-container {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

.legend:hover .legend-header i {
    transform: rotate(180deg);
}

.legend-item {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    transition: transform 0.2s;
    white-space: nowrap;
}

.legend-item:hover {
    transform: translateY(-2px);
}

.legend-item span {
    font-weight: 500;
    font-size: 0.9rem;
    margin-left: 0.5rem;
    color: #333;
}

/* Colores de la leyenda */
.legend-item::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 0.5rem;
}

.legend-item.nonmetal::before {
    background-color: var(--color-nonmetal);
}

.legend-item.noble-gas::before {
    background-color: var(--color-noble-gas);
}

.legend-item.alkali-metal::before {
    background-color: var(--color-alkali-metal);
}

.legend-item.alkaline-earth::before {
    background-color: var(--color-alkaline-earth);
}

.legend-item.metalloid::before {
    background-color: var(--color-metalloid);
}

.legend-item.halogen::before {
    background-color: var(--color-halogen);
}

.legend-item.transition-metal::before {
    background-color: var(--color-transition-metal);
}

.legend-item.post-transition::before {
    background-color: var(--color-post-transition);
}

.legend-item.lanthanide::before {
    background-color: var(--color-lanthanide);
}

.legend-item.actinide::before {
    background-color: var(--color-actinide);
}


/*  sección - ¿Qué es la Tabla Periódica? */

.info {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 5rem 0;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7)),
                url('./files/aldebaran-pink-unsplash.jpg') no-repeat center center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: center;
    margin-bottom: 3rem;
}

.info-content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

.info-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    background-color: #f0f2f5;
}

.info-section h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.info-section h3 {
    color: #34495e;
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.info-section p {
    line-height: 1.6;
    margin-bottom: 1rem;
    color: #444;
}

/*  sección - Los Tres Ingredientes Fundamentales */
.atomic{
    position: relative;
    width: 100vw;
    background:var(--color-electron);
    background-size: cover;
    background-position: center;
    text-align: center;
}
.atomic-content{
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    color: white;
    font-size: 1.5rem;
}
.atomic-content p,
.info-content p {
    margin-bottom: 1rem;
    line-height: 1.4;
}

.atomic-3D{
    width: 60vw;
    height: 40vh;
    left: 50%;
    right: 50%;
    text-align: center;
}


.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 10px;
    background-color: #f0f2f5;
    max-width: 1200px;
    margin: 0 auto;
}

.ingredient-card {
    padding: 2.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: var(--color-electron);
    text-align: center;
    background-color: transparent;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    background-color: white;
}

.ingredient-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.ingredient-card:hover i {
    transform: scale(1.1);
}

.ingredient-card h4 {
    color: var(--color-electron);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.ingredient-card p {
    color: var(--color-electron);
    line-height: 1.6;
    font-size: 1rem;
}

/* Colores específicos para cada ingrediente */
/* protones */
.ingredient-card:nth-child(1) {
    color: var(--color-proton);
}

/* neutrones */
.ingredient-card:nth-child(2) {
    color: var(--color-neutron);
}

/* electrones */
.ingredient-card:nth-child(3) {
    color: var(--color-electron);
}

.ingredient-reflection {
    max-width: 1200px;
    margin: 2rem auto;
    text-align: center;
    padding: 0 2rem;
}

.ingredient-reflection p {
    font-size: 1.2rem;
    color: #2c3e50;
    line-height: 1.6;
}

/* Estilos para el aviso de orientación */
.orientation-warning {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.warning-content {
    text-align: center;
    color: white;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    max-width: 90%;
}

.rotate-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    animation: rotate 2s infinite linear;
}

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



@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 0.5;
        transform: scale(1);
    }
}

/* Ajustes para la tabla periódica en móvil */
@media (max-width: 768px) {
    .periodic-table-container {
        position: relative;
        margin: 1rem auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .periodic-table {
        display: grid;
        grid-template-columns: repeat(18, 1fr);
        gap: 1px;
        padding: 0.3rem;
        min-width: 1000px;
    }

    .rotate-hint.top {
        display: block;
    }

    .rotate-hint.bottom {
        display: none;
    }

    .element {
        padding: 0.1rem;
    }

    .element .number {
        font-size: 0.5rem;
    }

    .element .symbol {
        font-size: 0.8rem;
    }

    .element .name {
        font-size: 0.4rem;
    }

    .info-section {
        padding: 1.5rem;
    }

    .info-section h2 {
        font-size: 1.5rem;
    }

    .info-section h3 {
        font-size: 1.2rem;
    }

    .ingredients-grid {
        grid-template-columns: 1fr;
    }

    .info-content,
    .atomic-content {
        padding: 1.5rem;
        font-size: 1.2rem;
    }

    .info-content p,
    .atomic-content p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .atomic-content h3,
    .info-content h2 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
}

/* Mostrar el icono inferior solo en orientación horizontal */
@media (max-width: 768px) and (orientation: landscape) {
    .rotate-hint.bottom {
        display: block;
        margin-top: 3rem;
    }
}

/* Ajustar el tamaño en pantallas muy pequeñas */
@media (max-width: 480px) {
    .periodic-table-container {
        margin: 2rem auto;
    }
    
    .periodic-table {
        gap: 1px;
        padding: 0.2rem;
    }

    .element {
        padding: 0.1rem;
    }

    .element .number {
        font-size: 0.4rem;
    }

    .element .symbol {
        font-size: 0.7rem;
    }

    .element .name {
        font-size: 0.35rem;
    }

    .info-content,
    .atomic-content {
        padding: 1rem;
        font-size: 1rem;
    }

    .info-content p,
    .atomic-content p {
        font-size: 1rem;
        padding: 0 0.5rem;
    }

    .atomic-content h3,
    .info-content h2 {
        font-size: 1.5rem;
    }
}

/* Eliminar la regla de orientación vertical en móviles */
@media (max-width: 768px) and (orientation: portrait) {
    .container {
        display: block;
    }
}

/* Orientación horizontal en móviles */
@media (max-width: 768px) and (orientation: landscape) {
    .periodic-table {
        grid-template-columns: repeat(18, 1fr);
    }
    
    .element {
        padding: 0.2rem;
    }
    
    .element .symbol {
        font-size: 0.8rem;
    }
    
    .element .name {
        font-size: 0.4rem;
    }

    .info-section {
        font-size: 0.9rem;
    }
}

/* Colores por grupos de elementos */
.element.nonmetal {
    background-color: var(--color-nonmetal);
}

.element.noble-gas {
    background-color: var(--color-noble-gas);
}

.element.alkali-metal {
    background-color: var(--color-alkali-metal);
}

.element.alkaline-earth {
    background-color: var(--color-alkaline-earth);
}

.element.metalloid {
    background-color: var(--color-metalloid);
}

.element.halogen {
    background-color: var(--color-halogen);
}

.element.transition-metal {
    background-color: var(--color-transition-metal);
}

.element.post-transition {
    background-color: var(--color-post-transition);
}

.element.lanthanide {
    background-color: var(--color-lanthanide);
}

.element.actinide {
    background-color: var(--color-actinide);
}

/* Estilos del footer */
footer {
    background-color: #FF4700;
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    text-align: center;
}

.footer-content p {
    margin-bottom: 1rem;
}

.footer-content a {
    color: white;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-content a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.logotype {
    width: 10%;
    height: 10%;
    margin: auto;
}

.logotype img {
    width: 100%;
    height: 100%;
    margin: auto;
}

.logotype img:hover {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* Ajuste del tamaño del logotipo en móvil vertical */
@media (max-width: 768px) and (orientation: portrait) {
    .logotype {
        width: 25%;
        height: 25%;
        margin: 1rem auto;
    }
}

.scroll-arrow {
    font-size: 3rem;
    margin-top: 3rem;
    animation: bounce 2s infinite;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

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

/* Estilos del Modal */
.legend-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.legend-modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: white;
    width: 90%;
    max-width: 600px;
    margin: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.legend-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    color: #2c3e50;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Mantener los estilos existentes de legend-item */
.legend-item {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 8px;
    transition: transform 0.2s;
    white-space: nowrap;
}

.legend-item:hover {
    transform: translateY(-2px);
    background-color: rgba(0, 0, 0, 0.05);
}

.legend-item span {
    font-weight: 500;
    font-size: 0.9rem;
    margin-left: 0.5rem;
    color: #333;
}

/* Colores de la leyenda */
.legend-item::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 0.5rem;
}

/* Mantener los estilos de colores existentes */

/* Ajustar el contenedor de los ingredientes */
.container:has(.ingredients-grid) {
    padding: 2rem;
}