/* ==========================================================================
   ESTILOS GENERALES Y TEMA MATRIZ / SYSADMIN
   José Sánchez Zumel - Curriculum Web
   ========================================================================== */

:root {
    --bg-dark: #0a0e0b;
    --card-bg: rgba(16, 26, 20, 0.82);
    --card-border: rgba(0, 255, 102, 0.25);
    --card-border-hover: rgba(0, 255, 102, 0.6);
    --primary-green: #00ff66;
    --bright-green: #39ff14;
    --dark-green: #003b15;
    --text-main: #e2f7ec;
    --text-muted: #94b8a3;
    --accent-cyan: #00f0ff;
    --font-sans: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Consolas', 'Courier New', monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   FONDO EN VIDEO Y FALLBACK CANVAS MATRIX
   -------------------------------------------------------------------------- */
#video-bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    background-color: #030804;
}

#bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) contrast(1.2);
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.overlay-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: linear-gradient(rgba(10, 14, 11, 0.75), rgba(10, 14, 11, 0.85)),
                repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.3) 3px, rgba(0, 0, 0, 0.3) 4px);
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   ESTILO DE NOMBRE FUENTE TIPO IBM (BARRAS HORIZONTALES)
   -------------------------------------------------------------------------- */
.ibm-logo-title {
    font-family: 'Arial Black', 'Impact', sans-serif;
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: repeating-linear-gradient(
        to bottom,
        var(--primary-green) 0px,
        var(--primary-green) 5px,
        transparent 5px,
        transparent 9px
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(0, 255, 102, 0.4));
    line-height: 1.1;
}

.ibm-logo-small {
    font-family: 'Arial Black', 'Impact', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: repeating-linear-gradient(
        to bottom,
        var(--primary-green) 0px,
        var(--primary-green) 3px,
        transparent 3px,
        transparent 6px
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* --------------------------------------------------------------------------
   HEADER Y NAVEGACIÓN
   -------------------------------------------------------------------------- */
header {
    background: rgba(8, 15, 10, 0.92);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand-box {
    display: flex;
    flex-direction: column;
}

.brand-subtitle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    letter-spacing: 1px;
    margin-top: 4px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 0.5rem 0.9rem;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

nav a:hover, nav a.active {
    color: var(--primary-green);
    background: rgba(0, 255, 102, 0.08);
    border-color: var(--card-border);
    box-shadow: 0 0 10px rgba(0, 255, 102, 0.2);
}

/* --------------------------------------------------------------------------
   LAYOUT PRINCIPAL Y CONTENEDORES
   -------------------------------------------------------------------------- */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.page-title-section {
    margin-bottom: 2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title-section h1 {
    font-family: var(--font-mono);
    color: var(--primary-green);
    font-size: 1.8rem;
    text-transform: uppercase;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 1.8rem;
    margin-bottom: 1.8rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    transition: border-color 0.3s ease, transform 0.2s ease;
}

.glass-card:hover {
    border-color: var(--card-border-hover);
}

/* --------------------------------------------------------------------------
   COMPONENTES ESPECÍFICOS
   -------------------------------------------------------------------------- */
/* Grid de inicio */
.home-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.8rem;
}

@media (max-width: 850px) {
    .home-grid {
        grid-template-columns: 1fr;
    }
}

.profile-sidebar {
    text-align: center;
}

.profile-avatar-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 1.2rem auto;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-cyan));
    box-shadow: 0 0 20px rgba(0, 255, 102, 0.3);
}

.profile-avatar-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background-color: var(--bg-dark);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 255, 102, 0.1);
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-top: 0.8rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--bright-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--bright-green);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* Badges y Tags de Tecnologías */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
}

.tag.highlight {
    background: rgba(0, 255, 102, 0.15);
    color: var(--primary-green);
    border-color: rgba(0, 255, 102, 0.4);
}

/* Línea de Tiempo / Experiencia */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--card-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.45rem;
    top: 0.3rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary-green);
    box-shadow: 0 0 10px var(--primary-green);
}

.timeline-date {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 0.88rem;
    margin-bottom: 0.3rem;
}

.timeline-title {
    font-size: 1.3rem;
    color: var(--text-main);
}

.timeline-subtitle {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

/* Listas estilizadas */
ul.tech-list {
    list-style: none;
    margin-top: 0.5rem;
}

ul.tech-list li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

ul.tech-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-family: var(--font-mono);
    font-weight: bold;
}

/* Grids para Formación e Info */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.terminal-box {
    background: #050a06;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    font-family: var(--font-mono);
    overflow: hidden;
}

.terminal-header {
    background: #0d1a10;
    padding: 0.4rem 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--card-border);
}

.term-btn {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.term-red { background: #ff5f56; }
.term-yellow { background: #ffbd2e; }
.term-green { background: #27c93f; }

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.terminal-body {
    padding: 1.2rem;
    color: var(--primary-green);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Formulario de Contacto */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-cyan);
}

.form-group input, .form-group textarea {
    background: rgba(5, 12, 8, 0.8);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 0.8rem;
    color: var(--text-main);
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 8px rgba(0, 255, 102, 0.3);
}

.btn-submit {
    background: rgba(0, 255, 102, 0.15);
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
    font-family: var(--font-mono);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: var(--primary-green);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 255, 102, 0.5);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
footer {
    background: rgba(5, 10, 6, 0.95);
    border-top: 1px solid var(--card-border);
    padding: 1.5rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

footer p span {
    color: var(--primary-green);
}

/* ==========================================================================
   ADAPTACIÓN PARA MÓVILES (Menú Horizontal con Scroll pa el navegador)
   ========================================================================== */
@media (max-width: 768px) {
    /* Centrar el logo y poner el menú debajo */
    .header-container {
        flex-direction: column;
        align-items: center;
        padding: 0.8rem 1rem;
        gap: 0.8rem;
    }

    .brand-box {
        text-align: center;
        align-items: center;
    }

    /* Ocultar el subtítulo largo para ganar más espacio en móvil */
    .brand-subtitle {
        display: none;
    }

    /* Configurar el nav para permitir deslizamiento táctil horizontal */
    nav {
        width: 100%;
        overflow-x: auto;
        /* Scroll suave para dispositivos Apple */
        -webkit-overflow-scrolling: touch; 
        /* Ocultar la barra de scroll en navegadores que lo permitan */
        scrollbar-width: none; 
    }
    
    nav::-webkit-scrollbar {
        display: none;
    }

    nav ul {
        /* Evita que los elementos se apilen en vertical */
        flex-wrap: nowrap; 
        justify-content: flex-start;
        padding: 0 0.2rem 0.5rem 0.2rem;
    }

    nav a {
        /* Evita que el texto de un mismo botón se parta en dos líneas */
        white-space: nowrap; 
        font-size: 0.85rem;
        padding: 0.4rem 0.7rem;
    }
}