/* --- Variables CSS --- */
:root {
    --primary-color: rgb(255, 50, 50); /* Rojo principal */
    --text-color-light: #fff;
    --bg-gradient-overlay: linear-gradient(0deg, rgba(0,0,0,0.5), rgba(0,0,0,0.5));
    --animation-duration-fast: 0.4s;
    --animation-duration-medium: 0.56s;
}

/* --- Base Styles --- */
body {
    padding: 0;
    margin: 0;
    background: var(--bg-gradient-overlay), url("https://images.unsplash.com/photo-1491956175078-460aea0914ca?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&w=1550&q=80") center center;
    background-size: cover;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    font-family: 'Josefin Sans', sans-serif;
}

/* --- Loading Screen --- */
#loading {
    width: 100vw;
    height: 100vh;
    position: fixed;
    background: var(--primary-color);
    z-index: 999;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

#spinner {
    animation: rotate var(--animation-duration-medium) infinite linear;
    width: 50px;
    height: 50px;
    border: 12px solid var(--text-color-light);
    border-bottom: 12px solid var(--primary-color);
    border-radius: 50%;
    margin: 0;
}

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

/* --- Box Animation --- */
#box {
    width: 100vw;
    height: 100vh;
    z-index: 9;
    position: fixed;
    top: 0;
}

#box div { /* General styling for box segments */
    width: 16.66vw;
    height: 100%;
    display: inline-block;
}

.box-segment.only-wide { /* Using the new class from HTML */
    background: var(--primary-color);
}

.box-segment:not(.only-wide) { /* Targeting the segments that don't have 'only-wide' */
    background: var(--primary-color);
    margin-left: -5px; /* Mantener este margen si es necesario para el diseño original */
}

/* --- Main Navigation Menu (bottom of middle section) --- */
#menu {
    width: 100%;
    text-align: center;
    margin: 6vh 0px;
    display: none; /* Hidden by default for larger screens, shown on mobile */
}

#menu a.menu-item { /* Specific selector for menu items */
    margin: 0px 6%;
    font-size: 19px;
    color: var(--text-color-light);
    text-decoration: underline;
}

/* --- Middle Content Section --- */
#middle {
    width: 100vw;
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: fixed;
    top: 0;
    text-align: center;
    z-index: 1;
    color: var(--text-color-light);
    padding-bottom: 10vh;
}

#middle h1 {
    color: var(--primary-color);
    font-size: 70px;
    text-decoration: underline;
}

/* --- Navigation Buttons (Top, Left, Right, Bottom) --- */
.nav-btn { /* Common styles for all navigation buttons */
    width: 10vw;
    height: 10vw;
    text-align: center;
    font-size: 25px;
    background: transparent;
    color: var(--text-color-light);
    position: fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 4;
    transition: var(--animation-duration-fast) ease-in-out;
}

#projects-nav-btn {
    top: 0;
    right: 45vw;
    border-radius: 0px 0px 100px 100px;
}

#about-nav-btn {
    transform: rotate(-90deg);
    left: 0;
    bottom: 40vh;
    border-radius: 0px 0px 100px 100px; /* Mantener original si la forma lo requiere */
}

#work-nav-btn {
    transform: rotate(90deg);
    right: 0;
    bottom: 40vh;
    border-radius: 0px 0px 100px 100px; /* Mantener original si la forma lo requiere */
}

#contact-nav-btn {
    bottom: 0;
    left: 45vw;
    border-radius: 100px 100px 0px 0px;
}

/* Hover effects for navigation buttons */
.nav-btn:hover {
    background: rgba(255,50,50,0.9); /* Usar directamente rgba para la transparencia */
    cursor: pointer;
}

/* --- Social Icons --- */
#middle table {
    width: 30%;
    margin: 6vh auto;
}

#middle table tr td {
    text-align: center;
}

.social-icon { /* Using the new class from HTML */
    color: var(--text-color-light);
    font-size: 22px;
    border-radius: 50%;
    transition: var(--animation-duration-fast) ease-in-out;
    margin: 0px 8px;
    text-align: center;
}

.social-icon:hover {
    cursor: pointer;
    color: var(--primary-color);
}

/* --- Content Containers (Projects, Work, About, Contact) --- */
.content-container { /* Using the new class from HTML */
    width: 90vw;
    height: 90vh;
    padding: 5vh 5vw;
    background: var(--primary-color);
    color: var(--text-color-light);
    z-index: 9;
    position: fixed;
    max-height: 100vh;
    overflow-y: auto;
    display: none;
}

.content-container .close-btn { /* Styling for the close button within containers */
    font-size: 25px;
    margin: 20px 0px;
    transition: var(--animation-duration-fast) ease-in-out;
}

.content-container .close-btn:hover {
    cursor: pointer;
}

.content-container section {
    margin: 8vh 0px;
}

/* --- Specific styling for 'used' section in 'Work' container --- */
#used .skill-item { /* Using the new class from HTML */
    font-size: 14px !important;
    display: inline-block;
    padding: 8px 10px;
    border: 2px solid var(--text-color-light);
    margin: 0px 10px;
    border-radius: 50px;
}

#used:hover { /* Consider removing hover on parent if only children are interactive */
    cursor: text;
}
#used .skill-item:hover { /* Maintain text cursor on individual items */
    cursor: text;
}

/* --- Headings and Paragraphs within containers --- */
.content-container h1 {
    font-size: 60px;
    text-decoration: underline;
}

.content-container p {
    font-size: 21px;
}

/* --- Buttons --- */
.btn_primary { /* Using the new class from HTML */
    font-size: 18px;
    font-family: 'Josefin Sans', sans-serif;
    color: var(--text-color-light);
    background: transparent;
    border: 3px solid var(--text-color-light);
    padding: 8px 40px;
    border-radius: 80px;
    font-weight: bold;
    margin: 2vh 10px;
    transition: var(--animation-duration-fast) ease-in-out;
}

.btn_primary:hover {
    cursor: pointer;
    color: var(--primary-color);
    background: var(--text-color-light);
}

/* Nota: el botón .btn_two no existe en el HTML proporcionado. Lo he omitido. */
/* Si lo necesitas, su estilo original era:
.btn_two {
    font-size:18px;
    font-family: 'Josefin Sans', sans-serif;
    color: var(--primary-color);
    background: var(--text-color-light);
    border:3px solid var(--text-color-light);
    padding:8px 40px;
    border-radius:80px;
    font-weight:bold;
    margin:2vh 10px;
    transition: var(--animation-duration-fast) ease-in-out;
}
.btn_two:hover {
    cursor:pointer;
    padding:8px 60px;
}
*/

/* --- Form Styling --- */
.content-container form input,
.content-container form textarea {
    width: 46%; /* 96% para textarea */
    margin: 20px 1%;
    background: transparent;
    border: 0px;
    border-bottom: 3px solid rgba(255,255,255,0.5); /* Usar rgba directamente */
    padding: 8px 10px;
    font-family: 'Poppins', sans-serif; /* Asegúrate de importar Poppins si lo usas aquí */
    font-size: 18px;
    transition: var(--animation-duration-fast) ease-in-out;
    color: var(--text-color-light);
    font-weight: bold;
}

.content-container form textarea {
    width: 96%;
    resize: none;
}

.content-container form input:focus,
.content-container form textarea:focus {
    outline: none;
    border-bottom: 3px solid rgba(255, 255, 255, 1);
}

::placeholder {
    color: var(--text-color-light);
}

/* --- Footer --- */
#footer {
    color: var(--text-color-light);
    width: 92vw;
    padding: 5vh 4vw;
    text-align: right;
    position: fixed;
    z-index: 1;
    bottom: 0;
    font-size: 16px;
    font-weight: bold;
}

#footer a {
    color: var(--primary-color);
}

/* --- Particles JS Canvas --- */
#particulas-js { /* Renombrado para coincidir con el HTML */
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0; /* Asegurar que cubra toda la pantalla */
    left: 0; /* Asegurar que cubra toda la pantalla */
    z-index: 0; /* Asegurar que esté por debajo del resto del contenido */
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: var(--text-color-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 50, 50,0.8);
}

/* --- Selection Color --- */
::selection {
	color: var(--text-color-light);
	background: var(--primary-color);
}

/* --- Media Queries (Responsive Design) --- */
@media (max-width: 800px) {
    /* Ocultar los botones de navegación laterales */
    .nav-btn { /* Usando la clase común */
        display: none;
    }

    #footer {
        text-align: center;
    }

    #middle {
        width: 90vw;
        padding: 0px 5vw;
    }

    #middle table {
        width: 80%;
    }

    .content-container form input,
    .content-container form textarea {
        width: 90%;
        margin: 20px 5%; /* Ajuste de margen para centrar mejor */
    }
    .content-container form textarea {
        width: 90%; /* Asegurar que textarea también ocupe 90% */
    }


    #menu { /* Mostrar el menú de texto en pantallas pequeñas */
        display: inline-block;
    }

    /* .onlywide se ha reemplazado por .box-segment.only-wide en el HTML. */
    /* Este selector debería usarse con 'only-wide' para mantener la lógica original. */
    .box-segment.only-wide { /* Selector para ocultar los segmentos solo anchos en móvil */
        display: none !important;
    }

    .box-segment { /* Ajustar el margen de los segmentos de la caja para móvil */
        margin-left: 0px !important;
    }

    #box div { /* Cada segmento de caja ocupa todo el ancho en móvil */
        width: 100%;
    }
}