/* ==========================================================================
   1. VARIABLES GLOBALES Y BASES DEL SISTEMA (Heredadas del Perfil)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700&display=swap');

:root {
    --bg-dark: #0a0b0d;
    --bg-card: #141518;
    --accent-color: #d4ff3f;       /* Verde lima neón */
    --accent-secondary: #ff0055;   /* Fucsia neón de contraste */
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --border: rgba(255, 255, 255, 0.07);
}

/* Forzar la inmersión ocultando el cursor estándar para el Eye Tracker */
html, body, a, button, summary {
    cursor: none !important;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
    
    /* Grilla Cyber/Tecnológica de fondo fija */
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* ==========================================================================
   2. EFECTO DE LUCES DIFUSAS AMBIENTALES (Background Blobs)
   ========================================================================== */

body::before,
body::after {
    content: "";
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1; /* Quedan detrás de la grilla y las tarjetas */
    opacity: 0.15;
    pointer-events: none;
}

/* Mancha Verde Lima (Superior Derecha) */
body::before {
    background: var(--accent-color);
    top: -10%;
    right: -10%;
    animation: floatNeon1 15s ease-in-out infinite alternate;
}

/* Mancha Fucsia Crypto (Inferior Izquierda) */
body::after {
    background: var(--accent-secondary);
    bottom: -10%;
    left: -10%;
    animation: floatNeon2 18s ease-in-out infinite alternate;
}

@keyframes floatNeon1 {
    0% { transform: translate(0, 0) scale(1); opacity: 0.12; }
    50% { transform: translate(-80px, 60px) scale(1.2); opacity: 0.18; }
    100% { transform: translate(-40px, -30px) scale(0.9); opacity: 0.12; }
}

@keyframes floatNeon2 {
    0% { transform: translate(0, 0) scale(1.1); opacity: 0.15; }
    50% { transform: translate(90px, -50px) scale(0.85); opacity: 0.10; }
    100% { transform: translate(40px, 40px) scale(1.15); opacity: 0.15; }
}

/* ==========================================================================
   3. INDICADOR FLOTANTE DEL EYE TRACKER
   ========================================================================== */

.eye-tracker-dot {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(212, 255, 63, 0.4) 0%, rgba(212, 255, 63, 0.1) 40%, transparent 70%);
    border: 1px dashed rgba(212, 255, 63, 0.6);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 99999; /* Por encima de todo, incluso de la navbar fixed */
    mix-blend-mode: screen;
    animation: trackerPulse 2s infinite ease-in-out;
}

@keyframes trackerPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.5; }
}

/* Reactividad del Eye Tracker al posarse sobre elementos interactivos */
body:has(a:hover, button:hover, summary:hover, .project-card:hover) .eye-tracker-dot {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(212, 255, 63, 0.6) 0%, rgba(212, 255, 63, 0.2) 50%, transparent 80%);
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 15px rgba(212, 255, 63, 0.5);
}

/* ==========================================================================
   4. BARRA DE NAVEGACIÓN COMPARTIDA (Navbar Fixed)
   ========================================================================== */

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    position: sticky;
    top: 0;
    background: rgba(10, 11, 13, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 10000;
}

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text-main);
    text-transform: uppercase;
}

.logo span {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 15px;
}

.nav-btn {
    text-decoration: none !important;
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 8px;
    letter-spacing: 1px;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    display: inline-block;
}

.nav-menu .nav-btn:hover {
    color: #d4ff3f !important;
    background-color: rgba(212, 255, 63, 0.08) !important;
    border-color: rgba(212, 255, 63, 0.3) !important;
    transform: translateY(-2px);
}

.btn-top {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ==========================================================================
   5. CONTENEDOR PRINCIPAL Y ANIMACIÓN ELEGANTE DE ENTRADA
   ========================================================================== */

.portfolio-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 5%;
    min-height: calc(100vh - 350px);
}

.portfolio-header {
    text-align: center;
    margin-bottom: 60px;
    animation: elegantEntrance 1.2s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

.tagline {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 10px;
}

.elegant-title {
    font-size: 3.5rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 15px 0;
    color: var(--text-main);
    letter-spacing: -1px;
}

.elegant-title span {
    color: var(--accent-color);
    filter: drop-shadow(0 0 15px rgba(212, 255, 63, 0.3));
}

.description {
    font-size: 1rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

@keyframes elegantEntrance {
    0% {
        letter-spacing: -5px;
        transform: translateY(30px);
        filter: blur(12px);
        opacity: 0;
    }
    100% {
        letter-spacing: -1px;
        transform: translateY(0);
        filter: blur(0);
        opacity: 1;
    }
}

/* ==========================================================================
   6. DISEÑO DE LAS 6 CARPETAS DEL CATÁLOGO
   ========================================================================== */

.folders-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.folder-item {
    background: rgba(20, 21, 24, 0.5);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Aparecen escalonadamente gracias a la entrada del sistema */
    animation: elegantEntrance 1.4s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

.folder-trigger {
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    outline: none;
    user-select: none;
    transition: background-color 0.3s;
}

.folder-trigger::-webkit-details-marker {
    display: none; /* Elimina la flecha predeterminada en Safari */
}

.folder-meta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.folder-icon {
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}

.folder-meta h3 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-main);
    margin: 0;
    transition: color 0.3s;
}

.folder-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

/* --- EFECTOS AVANZADOS HOVER Y APERTURA DE CARPETAS --- */

.folder-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.folder-trigger:hover .folder-meta h3 {
    color: var(--accent-color);
}

.folder-trigger:hover .folder-icon {
    transform: scale(1.15) rotate(-5deg); /* Guiño visual de apertura de hardware */
}

/* Cuando el contenedor <details> se abre */
.folder-item[open] {
    border-color: var(--accent-color);
    box-shadow: 0 0 25px rgba(212, 255, 63, 0.08);
    background: rgba(20, 21, 24, 0.8);
}

.folder-item[open] .folder-trigger {
    border-bottom: 1px solid var(--border);
    background: rgba(212, 255, 63, 0.02);
}

.folder-item[open] .folder-badge {
    color: var(--accent-color);
    border-color: rgba(212, 255, 63, 0.4);
    box-shadow: 0 0 10px rgba(212, 255, 63, 0.1);
}

/* ==========================================================================
   7. INTERIOR DE LAS CARPETAS (Galería de Proyectos)
   ========================================================================== */

.folder-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 35px;
    background: rgba(0, 0, 0, 0.15);
    animation: folderReveal 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes folderReveal {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.project-card {
    background: #191a1e;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.project-thumb {
    width: 100%;
    height: 180px;
    background: #0f1012;
    border: 1px dashed var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.project-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 8px 0;
    transition: color 0.3s;
}

.project-card p {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.4;
    margin: 0;
}

/* Hover en las tarjetas internas del catálogo */
.project-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.01);
}

.project-card:hover h4 {
    color: var(--accent-color);
}

.project-card:hover .project-thumb {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(212, 255, 63, 0.01);
    box-shadow: inset 0 0 15px rgba(212, 255, 63, 0.03);
}

/* ==========================================================================
   8. FOOTER ACADÉMICO OBLIGATORIO
   ========================================================================== */

footer {
    padding: 80px 5%;
    border-top: 1px solid var(--border);
    background: #000000;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h4 {
    color: var(--accent-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.footer-col p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin: 8px 0;
    line-height: 1.4;
}

.footer-col .legal {
    font-size: 0.75rem;
    margin-top: 20px;
    opacity: 0.5;
}
.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    border-radius: 8px; 
}
.slider-project-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 240px; 
    background: #0f1012;
    border-radius: 8px;
    border: 1px dashed var(--border);
    overflow: hidden;
    margin-bottom: 15px;
}


.slider-wrapper input[type="radio"] {
    display: none;
}


.slider-track {
    display: flex;
    width: 300%; 
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-item {
    width: 33.3333%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #060708;
}

.slide-item img {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    transition: transform 0.5s;
}


#slide1:checked ~ .slider-track { transform: translateX(0); }
#slide2:checked ~ .slider-track { transform: translateX(-33.3333%); }
#slide3:checked ~ .slider-track { transform: translateX(-66.6666%); }


.arrow-set {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    box-sizing: border-box;
    pointer-events: none; 
}


#slide1:checked ~ .slider-arrows .set-1 { display: flex; }
#slide2:checked ~ .slider-arrows .set-2 { display: flex; }
#slide3:checked ~ .slider-arrows .set-3 { display: flex; }

.arrow-btn {
    width: 36px;
    height: 36px;
    background: rgba(10, 11, 13, 0.8);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    pointer-events: auto; 
    backdrop-filter: blur(4px);
    transition: all 0.25s ease;
}


.arrow-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(212, 255, 63, 0.05);
    box-shadow: 0 0 10px rgba(212, 255, 63, 0.3);
    transform: scale(1.1);
}


.slider-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot-btn {
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    pointer-events: auto;
    transition: all 0.25s ease;
}


#slide1:checked ~ .slider-dots label[for="slide1"],
#slide2:checked ~ .slider-dots label[for="slide2"],
#slide3:checked ~ .slider-dots label[for="slide3"] {
    background: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-color);
    width: 14px;
    border-radius: 4px;
}


.slider-project-card:hover .slider-wrapper {
    border-color: rgba(255, 255, 255, 0.15);
}
#slide5-1:checked ~ .track-tp5 { transform: translateX(0); }
#slide5-2:checked ~ .track-tp5 { transform: translateX(-33.3333%); }
#slide5-3:checked ~ .track-tp5 { transform: translateX(-66.6666%); }

/* Mapeo de visibilidad para las flechas del TP5 */
#slide5-1:checked ~ .slider-arrows .set-5-1 { display: flex; }
#slide5-2:checked ~ .slider-arrows .set-5-2 { display: flex; }
#slide5-3:checked ~ .slider-arrows .set-5-3 { display: flex; }

/* Control de iluminación para los puntos del TP5 */
#slide5-1:checked ~ .slider-dots label[for="slide5-1"],
#slide5-2:checked ~ .slider-dots label[for="slide5-2"],
#slide5-3:checked ~ .slider-dots label[for="slide5-3"] {
    background: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-color);
    width: 14px;
    border-radius: 4px;
}


/* ==========================================================================
   PRELOADER GLOBAL: EFECTO DE ENFOQUE Y CALIBRACIÓN DE SISTEMA
   ========================================================================== */

/* Contenedor macro que tapa toda la pantalla al cargar */
.panel-cargando-sistema {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0d1b22 !important; /* Tu azul oscuro profundo base */
    z-index: 999999 !important; /* Asegura que tape todo el portfolio */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    
    /* ANIMACIÓN FINAL: Se desenfoca y desaparece hacia la nada misma */
    animation: apagarPreloader 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    animation-delay: 2.5s; /* Duración total que se muestra la carga (2.5 segundos) */
}

/* Bloque central que contiene el radar y el texto */
.nucleo-carga-optica {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    
    /* ANIMACIÓN DE ENFOQUE: Arranca borroso y se va aclarando */
    animation: calibracionOpticaCarga 2.2s cubic-bezier(0.15, 0.85, 0.45, 1) forwards;
}

/* El anillo central estilo Radar de placa madre */
.anillo-radar-carga {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: transparent;
    
    /* Estructura inicial: Borde Fucsia suave */
    border: 3px solid rgba(255, 0, 123, 0.2);
    border-top-color: #ff007b;
    box-shadow: 0 0 15px rgba(255, 0, 123, 0.4);
    
    /* Animación infinita de giro de hardware técnico */
    animation: radarGiroCarga 1s linear infinite;
}

/* El texto de código inferior */
.texto-carga-codigo {
    font-family: monospace;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #ff007b; /* Texto en Fucsia */
    text-shadow: 0 0 10px rgba(255, 0, 123, 0.5);
    
    /* Animación de parpadeo de datos procesándose */
    animation: testigoParpadeo 0.6s ease-in-out infinite alternate;
}

/* ==========================================================================
   FOTOGRAMAS (KEYFRAMES) DE LA SECUENCIA DE ARRANQUE
   ========================================================================== */

/* 1. Secuencia de calibración óptica: Blur Fucsia -> Nítido Amarillo Neón */
@keyframes calibracionOpticaCarga {
    0% {
        filter: blur(8px);
        opacity: 0.3;
        transform: scale(0.95);
    }
    40% {
        filter: blur(4px);
        opacity: 0.8;
    }
    70% {
        /* En el pico de la carga el sistema se estabiliza, se aclara y muta al Amarillo */
        filter: blur(0px);
        opacity: 1;
        transform: scale(1);
    }
    100% {
        filter: blur(0px);
        opacity: 1;
        /* Mutación cromática de las luces del radar a Amarillo Neón */
        --radar-color-shift: #ccff00;
    }
}

/* 2. Rotación del anillo */
@keyframes radarGiroCarga {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 3. Micro pulsaciones del texto */
@keyframes testigoParpadeo {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* 4. El preloader se vuelve borroso y se desvanece para mostrar tu Portfolio */
@keyframes apagarPreloader {
    0% {
        opacity: 1;
        filter: blur(0px);
    }
    100% {
        opacity: 0;
        filter: blur(12px); /* Se desarma desenfocándose */
        pointer-events: none; /* Permite clickear la página de abajo */
        visibility: hidden;
    }
}