/* ==========================================================================
   1. VARIABLES & DESIGN TOKENS (GALAXY THEME)
   ========================================================================== */
:root {
    /* --- Paleta de colores --- */
    --bg-deep-space: #030014;
    --bg-space-dark: #08071a;
    --bg-card-glass: rgba(13, 11, 38, 0.6);
    --border-glass: rgba(124, 58, 237, 0.15);
    --border-glass-hover: rgba(6, 182, 212, 0.4);

    /* Primarios */
    --color-primary: #7c3aed;        /* Violeta */
    --color-primary-light: #9f7aea;
    --color-secondary: #06b6d4;      /* Cian */
    --color-secondary-light: #22d3ee;
    --color-accent: #d946ef;         /* Magenta */

    /* Texto */
    --text-main: #f1f5f9;            /* Blanco pizarra */
    --text-muted: #94a3b8;           /* Gris azulado */
    --text-bright: #ffffff;

    /* Brillos */
    --glow-primary: rgba(124, 58, 237, 0.5);
    --glow-secondary: rgba(6, 182, 212, 0.5);

    /* Tipografía */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;

    /* Transiciones y radios */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

/* ==========================================================================
   2. REGLAS DE ACCESIBILIDAD Y MODO ALTO CONTRASTE (WCAG 2.1 AA)
   ========================================================================== */
/* Saltar al contenido principal (Keyboard navigation) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--color-secondary);
    color: var(--bg-deep-space);
    padding: 12px 24px;
    z-index: 9999;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: top 0.2s ease;
    text-decoration: none;
}

.skip-link:focus {
    top: 20px;
    outline: 3px solid var(--color-primary-light);
}

/* Estilo universal de enfoque (Focus Indicator) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 4px;
}

/* Variables de Alto Contraste */
body.high-contrast {
    --bg-deep-space: #000000;
    --bg-space-dark: #000000;
    --bg-card-glass: #000000;
    --border-glass: #ffffff;
    --border-glass-hover: #ffff00;
    --color-primary: #ffff00;
    /* Amarillo de alto contraste */
    --color-primary-light: #ffff00;
    --color-secondary: #00ffff;
    /* Cian puro */
    --color-secondary-light: #00ffff;
    --color-accent: #ffffff;
    --text-main: #ffffff;
    --text-muted: #ffffff;
    --text-bright: #ffffff;
    background-image: none !important;
}

body.high-contrast * {
    box-shadow: none !important;
    text-shadow: none !important;
    backdrop-filter: none !important;
    filter: none !important;
}

body.high-contrast a {
    text-decoration: underline;
}

body.high-contrast .btn-secondary {
    border: 2px solid #ffffff;
}

body.high-contrast .skill-progress {
    background-color: #00ffff !important;
    border: 1px solid #ffffff;
}

/* Reducir movimiento para usuarios con sensibilidad visual */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .stars-background {
        display: none;
    }
}

/* ==========================================================================
   3. ESTRUCTURA BASE
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-deep-space);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Fondo animado */
.stars-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Contenedor centralizado */
.section-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.max-w-sm {
    max-width: 650px;
}

/* Títulos de sección */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 2rem;
    position: relative;
}

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

.section-lead {
    font-size: 1.25rem;
    color: var(--color-secondary-light);
    margin-bottom: 1.5rem;
}

/* Botones de acción */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--text-bright);
    box-shadow: 0 0 15px var(--glow-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--glow-secondary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-bright);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-secondary);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Gradiente de texto decorativo */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent; /* Fallback para navegadores sin soporte */
}

/* ==========================================================================
   4. CABECERA & NAVEGACIÓN
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(3, 0, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: -1px;
}

/* Menú en lista */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--text-bright);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

/* Botón menú móvil */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-bright);
    position: relative;
    transition: var(--transition-smooth);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-bright);
    transition: var(--transition-smooth);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

/* Controladores de accesibilidad */
.accessibility-controls {
    display: flex;
    align-items: center;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    padding: 8px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.control-btn:hover,
.control-btn:focus {
    color: var(--text-bright);
    border-color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.icon {
    width: 20px;
    height: 20px;
}

/* Switch de idioma ES / EN */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 4px 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.lang-switch:hover {
    border-color: var(--color-secondary);
    background: rgba(6, 182, 212, 0.08);
}

.lang-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    transition: var(--transition-smooth);
    line-height: 1;
}

.lang-label.active {
    color: var(--color-secondary-light);
}

.lang-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    border: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.lang-track.en-active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-color: transparent;
    box-shadow: 0 0 10px var(--glow-secondary);
}

.lang-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-bright);
    box-shadow: 0 1px 4px rgba(0,0,0,0.4);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-track.en-active .lang-thumb {
    transform: translateX(14px);
}

/* ==========================================================================
   5. SECCIÓN HERO (ESTÉTICA IMPACTANTE)
   ========================================================================== */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 48px;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: rgba(124, 58, 237, 0.15);
    color: var(--color-primary-light);
    border: 1px solid var(--border-glass);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-bright);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-subtitle strong {
    color: var(--text-bright);
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Orbe de ilustración galáctica interactiva */
.hero-illustration {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 400px;
}

.galaxy-orb {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    filter: blur(10px);
    box-shadow: 0 0 60px var(--glow-primary);
    animation: orbFloat 6s ease-in-out infinite alternate;
}

.galaxy-ring {
    position: absolute;
    width: 350px;
    height: 120px;
    border: 2px solid var(--border-glass-hover);
    border-radius: 50%;
    transform: rotate(-15deg);
    animation: ringRotate 12s linear infinite;
    pointer-events: none;
}

/* ==========================================================================
   6. SECCIÓN SOBRE MÍ
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-avatar {
    width: 100%;
    max-width: 350px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-glass-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.about-avatar:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px var(--glow-primary);
}

.about-info p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.about-info p strong {
    color: var(--text-bright);
}

.about-stats {
    display: flex;
    gap: 24px;
    margin-top: 2rem;
}

.stat-card {
    flex: 1;
    background: var(--bg-card-glass);
    border: 1px solid var(--border-glass);
    padding: 16px;
    border-radius: var(--border-radius-md);
    text-align: center;
    backdrop-filter: blur(8px);
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-secondary-light);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   7. SECCIÓN TRAYECTORIA (TIMELINE)
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-marker {
    position: absolute;
    left: -37px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: 4px solid var(--bg-deep-space);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-marker {
    background: var(--color-accent);
    transform: scale(1.3);
}

.timeline-content {
    background: var(--bg-card-glass);
    border: 1px solid var(--border-glass);
    padding: 24px;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    border-color: var(--border-glass-hover);
    transform: translateX(4px);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-secondary-light);
    margin-bottom: 0.5rem;
}

.timeline-role {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* Lista de logros dentro de cada item del timeline */
.timeline-list {
    list-style-type: disc;
    padding-left: 20px;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   8. SECCIÓN PROYECTOS (GRID MODERNO)
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glass-hover);
    box-shadow: 0 10px 30px var(--glow-primary);
}

.project-image-wrapper {
    height: 200px;
    background: linear-gradient(135deg, #150f3d, #08071a);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-glass);
}

.project-placeholder {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--color-secondary-light);
    font-weight: 600;
}

.project-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card-title {
    font-size: 1.4rem;
    color: var(--text-bright);
    margin-bottom: 0.75rem;
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-tags li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--text-muted);
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary-light);
    transition: var(--transition-smooth);
}

.project-link:hover,
.project-link:focus {
    color: var(--text-bright);
    text-shadow: 0 0 8px var(--glow-secondary);
}

/* Etiqueta para proyectos no publicados o privados */
.project-link-disabled {
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: default;
}

/* ==========================================================================
   9. SECCIÓN HABILIDADES (INTERACTIVE METERS)
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 48px;
}

.skills-category {
    background: var(--bg-card-glass);
    border: 1px solid var(--border-glass);
    padding: 32px;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(8px);
}

.skills-category h3 {
    font-size: 1.5rem;
    color: var(--text-bright);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-glass);
    padding-bottom: 8px;
}

.skills-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 6px;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.1, 0.8, 0.2, 1);
}

/* ==========================================================================
   10. SECCIÓN CONTACTO (FORMULARIO ACCESIBLE)
   ========================================================================== */
.contact-section {
    background: linear-gradient(180deg, transparent, var(--bg-space-dark));
}

.contact-subtitle {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.contact-buttons-container {
    background: var(--bg-card-glass);
    border: 1px solid var(--border-glass);
    padding: 40px;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    max-width: 480px;
    margin: 0 auto;
}

.contact-btn-highlight {
    position: relative;
    overflow: hidden;
}

.contact-btn-highlight::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius-sm);
    box-shadow: inset 0 0 12px rgba(0, 170, 255, 0.4);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.contact-btn-highlight:hover::after {
    box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.8);
}

.btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ==========================================================================
   11. PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--border-glass);
    background-color: var(--bg-space-dark);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
    gap: 24px;
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   12. ANIMACIONES KEYFRAMES
   ========================================================================== */
@keyframes orbFloat {
    0% {
        transform: translateY(0) scale(1);
    }

    100% {
        transform: translateY(-15px) scale(1.05);
    }
}

@keyframes ringRotate {
    0% {
        transform: rotate(-15deg) rotateY(0deg);
    }

    100% {
        transform: rotate(-15deg) rotateY(360deg);
    }
}

/* ==========================================================================
   13. MEDIA QUERIES (RESPONSIVO)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-section {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 140px;
        gap: 32px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-illustration {
        height: 300px;
    }

    .galaxy-orb {
        width: 180px;
        height: 180px;
    }

    .galaxy-ring {
        width: 260px;
        height: 90px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrapper {
        order: -1;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 12px 20px;
    }

    /* Menú Hamburguesa Móvil */
    .menu-toggle {
        display: block;
        order: 3;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: rgba(3, 0, 20, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-top: 1px solid var(--border-glass);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .menu-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }

    .menu-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .menu-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
    }

    .accessibility-controls {
        margin-left: auto;
        margin-right: 16px;
    }

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

    .about-stats {
        flex-wrap: wrap;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-buttons-container {
        padding: 24px;
    }
}