@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;700&family=Share+Tech+Mono&display=swap');

/* ==========================================================================
   1. VARIABLES Y RESET (Cyber Terminal Theme)
   ========================================================================== */
:root {
    --bg-color: #0b0f16;           /* Fondo muy oscuro y profundo */
    --card-bg: #111622;            /* Fondo de tarjetas ligeramente más claro */
    --terminal-green: #00ff00;     /* Verde neón clásico de terminal */
    --text-color: #c9d1d9;         /* Texto secundario gris claro */
    --border-color: #21262d;       /* Bordes más sutiles */
    --glow-color: rgba(0, 255, 0, 0.35); /* Resplandor verde */
    
    --max-width: 1100px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fuentes modernas mono */
    --font-title: 'Share Tech Mono', 'Courier New', Courier, monospace;
    --font-body: 'Fira Code', 'Courier New', Courier, monospace;
}

/* Tema Ámbar Phosphor (P3) */
[data-theme="amber"] {
    --terminal-green: #ffb000;
    --glow-color: rgba(255, 176, 0, 0.35);
}

/* Tema Cyberpunk Cyan */
[data-theme="cyan"] {
    --terminal-green: #00f0ff;
    --glow-color: rgba(0, 240, 255, 0.35);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-width: 320px; /* <--- TOPE MÍNIMO PARA MÓVILES */
    position: relative;
}

/* Subtle CRT Scanline overlay */
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.12) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
    background-size: 100% 4px, 6px 100%;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.45;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   2. TIPOGRAFÍA Y UTILIDADES CYBER
   ========================================================================== */
h1, h2, h3, h4 {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--glow-color);
    margin-top: 0;
    font-weight: bold;
}

.accent {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--glow-color);
}

.section {
    padding: 6rem 0;
}

.section-alt {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.section-title::before {
    content: "> ";
}

.subsection-title {
    font-size: 1.8rem;
    margin: 4rem 0 2rem;
}

/* ==========================================================================
   3. BOTONES (Estilo Comando)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    background-color: transparent;
}

.btn:hover, .btn-primary:hover, .btn-ghost:hover {
    background-color: var(--terminal-green);
    color: var(--bg-color);
    box-shadow: 0 0 10px var(--glow-color);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* ==========================================================================
   4. NAVEGACIÓN (Topnav Cyber)
   ========================================================================== */
.topnav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(17, 22, 34, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    height: 70px;
}

.brand {
    font-size: 1.25rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--glow-color);
    font-family: var(--font-title);
    letter-spacing: 0.5px;
}

.brand::before {
    content: "./";
}

.brand-dot {
    color: var(--text-color);
}

.journey-btn {
    display: none;
}

.topnav-links {
    display: flex;
    gap: 1.8rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-family: var(--font-title);
    font-size: 1.05rem;
}

.nav-link:hover {
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--glow-color);
}

.topnav-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#lang-switch, #theme-switch {
    background: transparent;
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-title);
    font-weight: bold;
    font-size: 0.85rem;
    transition: var(--transition);
    text-shadow: 0 0 3px var(--glow-color);
}

#lang-switch:hover, #theme-switch:hover {
    background-color: var(--terminal-green);
    color: var(--bg-color);
    box-shadow: 0 0 8px var(--glow-color);
    text-shadow: none;
}

/* HAMBURGER TOGGLE BUTTON */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1010;
}

.menu-toggle .bar {
    height: 2px;
    width: 100%;
    background-color: var(--terminal-green);
    transition: var(--transition);
    box-shadow: 0 0 3px var(--glow-color);
}

/* Hamburguer Animation when active */
.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   5. SECCIÓN INICIO (Hero Terminal)
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    width: 100%;
}

.hero-hello {
    color: var(--terminal-green);
    font-size: 1.15rem;
    margin-bottom: 1rem;
    font-weight: bold;
    text-shadow: 0 0 3px var(--glow-color);
}

.hero-hello::before {
    content: "$ echo ";
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    margin-bottom: 0.75rem;
    font-family: var(--font-title);
    line-height: 1.1;
}

.hero-role {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-shadow: none;
    font-weight: 500;
}

.hero-desc {
    font-size: 1.05rem;
    margin-bottom: 2.2rem;
    max-width: 95%;
    color: #a5b1c2;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

/* MOCK TERMINAL */
.mock-terminal {
    background-color: #07090e;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 255, 0, 0.05);
    overflow: hidden;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: var(--transition);
}

.mock-terminal:hover {
    border-color: var(--terminal-green);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px var(--glow-color);
}

.terminal-header {
    background-color: #121824;
    padding: 0.6rem 1rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 6px;
}

.t-btn {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.t-btn.close { background-color: #ff5f56; }
.t-btn.minimize { background-color: #ffbd2e; }
.t-btn.expand { background-color: #27c93f; }

.terminal-title {
    color: #8b949e;
    font-size: 0.75rem;
    grid-column: 2;
}

.terminal-body {
    padding: 1.2rem;
    color: var(--text-color);
    text-align: left;
    min-height: 220px;
}

.terminal-line {
    margin-bottom: 0.75rem;
}

.t-prompt {
    color: var(--terminal-green);
    font-weight: bold;
}

.t-command {
    color: #ffffff;
}

.neofetch-content {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
    align-items: flex-start;
}

.neofetch-logo {
    color: var(--terminal-green);
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 3px var(--glow-color);
}

.neofetch-logo pre {
    font-family: var(--font-body);
    font-size: 0.75rem;
}

.neofetch-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.info-row {
    white-space: nowrap;
}

.info-key {
    color: var(--terminal-green);
    font-weight: bold;
}

.info-val {
    color: var(--text-color);
}

.text-blink {
    color: var(--terminal-green);
    animation: cursor-blink 1.2s infinite;
}

@keyframes cursor-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.t-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--terminal-green);
    animation: cursor-blink 1s infinite;
    vertical-align: middle;
}

/* ==========================================================================
   6. SECCIÓN SOBRE MÍ & SKILLS
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: stretch;
    margin-bottom: 3rem;
}

.about-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--terminal-green);
    box-shadow: 0 5px 15px var(--glow-color);
}

.about-card .card-header {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-title);
    font-size: 0.9rem;
    color: var(--terminal-green);
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-card .card-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--terminal-green);
    display: inline-block;
    box-shadow: 0 0 5px var(--glow-color);
}

.about-card .card-body {
    padding: 1.5rem;
    flex-grow: 1;
    font-size: 0.95rem;
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.spec-item {
    font-size: 0.9rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    padding-bottom: 0.4rem;
}

.spec-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.spec-lbl {
    color: var(--terminal-green);
    font-weight: bold;
}

.spec-val {
    color: var(--text-color);
}

.github-activity {
    margin-top: 3rem;
    margin-bottom: 4rem;
}

.activity-title {
    font-family: var(--font-title);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: left;
}

.activity-title::before {
    content: "$ cat ./github_contributions.log";
    display: block;
    font-size: 0.9rem;
    color: var(--text-color);
    text-shadow: none;
    margin-bottom: 0.5rem;
}

.gh-chart-wrapper {
    width: 100%;
    overflow-x: auto;
    background-color: #07090e;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.25rem;
    -webkit-overflow-scrolling: touch;
}

.gh-chart img {
    display: block;
    min-width: 720px; /* Asegura que el gráfico no se colapse a un tamaño ilegible */
    width: 100%;
    max-width: 100%;
    height: auto;
    /* Filtro CSS para intentar que el rosa de GitHub se vea verde/ámbar/cian dinámicamente */
    filter: grayscale(100%) sepia(100%) hue-rotate(70deg) saturate(500%) brightness(0.9);
    transition: var(--transition);
}

/* Cambiar el filtro del gráfico según el tema */
[data-theme="amber"] .gh-chart img {
    filter: grayscale(100%) sepia(100%) hue-rotate(15deg) saturate(600%) brightness(0.9);
}

[data-theme="cyan"] .gh-chart img {
    filter: grayscale(100%) sepia(100%) hue-rotate(145deg) saturate(600%) brightness(0.9);
}

.skills-title {
    text-align: left;
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-family: var(--font-title);
}

.skills-title::before {
    content: "> ls -l ./skills";
    display: block;
    color: var(--text-color);
    font-size: 0.95rem;
    text-shadow: none;
    margin-bottom: 0.5rem;
    font-family: var(--font-body);
}

.skills-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.25rem;
}

.skill-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--card-bg);
    padding: 1.25rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: default;
}

.skill-icon:hover {
    transform: translateY(-4px);
    border-color: var(--terminal-green);
    box-shadow: 0 4px 12px var(--glow-color);
}

.skill-icon img, .skill-icon svg {
    width: 44px;
    height: 44px;
    filter: grayscale(100%) brightness(0.85);
    transition: var(--transition);
}

.skill-icon:hover img, .skill-icon:hover svg {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.1);
}

.skill-name {
    font-size: 0.9rem;
    font-weight: bold;
    font-family: var(--font-title);
    color: var(--text-color);
}

.skill-icon:hover .skill-name {
    color: var(--terminal-green);
    text-shadow: 0 0 4px var(--glow-color);
}

/* ==========================================================================
   7. TIMELINE (Experiencia Cyber)
   ========================================================================== */
.timeline {
    border-left: 2px solid var(--border-color);
    margin-left: 0.75rem;
    padding-left: 1.75rem;
}

.tl-item {
    position: relative;
    margin-bottom: 3rem;
}

.tl-item::before {
    content: '';
    position: absolute;
    left: calc(-1.75rem - 7px);
    top: 6px;
    width: 12px;
    height: 12px;
    background-color: var(--bg-color);
    border: 2px solid var(--terminal-green);
    box-shadow: 0 0 5px var(--glow-color);
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition);
}

.tl-item:hover::before {
    background-color: var(--terminal-green);
    box-shadow: 0 0 8px var(--glow-color);
}

.tl-period {
    color: var(--terminal-green);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
    font-family: var(--font-title);
}

.tl-period::before {
    content: "[ ";
}
.tl-period::after {
    content: " ]";
}

.tl-heading {
    margin-bottom: 0.75rem;
}

.tl-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--terminal-green);
    display: inline-block;
    font-family: var(--font-title);
    text-shadow: 0 0 3px var(--glow-color);
}

.tl-company {
    color: #8b949e;
    font-size: 0.95rem;
    font-family: var(--font-title);
}

.tl-desc {
    font-size: 0.95rem;
    color: #a5b1c2;
    max-width: 90%;
}

.tl-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.ttag {
    background: rgba(0, 255, 0, 0.06);
    color: var(--terminal-green);
    padding: 0.2rem 0.6rem;
    border: 1px solid rgba(0, 255, 0, 0.15);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    font-family: var(--font-title);
    transition: var(--transition);
}

[data-theme="amber"] .ttag {
    background: rgba(255, 176, 0, 0.06);
    border-color: rgba(255, 176, 0, 0.15);
}

[data-theme="cyan"] .ttag {
    background: rgba(0, 240, 255, 0.06);
    border-color: rgba(0, 240, 255, 0.15);
}

/* ==========================================================================
   8. PORTAFOLIO (Tarjetas Terminal Responsive)
   ========================================================================== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(290px, 100%), 1fr));
    gap: 2rem;
}

.work-card {
    background: var(--card-bg);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.work-card:hover {
    transform: translateY(-5px);
    border-color: var(--terminal-green);
    box-shadow: 0 6px 20px var(--glow-color);
}

.work-card .card-header {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.work-card .card-title {
    font-family: var(--font-title);
    font-size: 0.85rem;
    color: #8b949e;
}

.work-media {
    position: relative;
    height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.work-placeholder {
    width: 100%;
    height: 100%;
    background-color: #06090e;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--terminal-green);
    font-family: var(--font-body);
    gap: 0.35rem;
    transition: var(--transition);
    text-shadow: 0 0 3px var(--glow-color);
}

.placeholder-icon {
    font-size: 1.8rem;
    font-weight: bold;
}

.placeholder-text {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    font-weight: bold;
}

.work-card:hover .work-placeholder {
    background-color: #0b0f16;
}

.work-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(80%) sepia(20%) hue-rotate(70deg); /* Tinte verde */
    transition: var(--transition);
}

.work-card:hover .work-media img {
    transform: scale(1.04);
    filter: grayscale(0%);
}

.work-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(11, 15, 22, 0.9);
    color: var(--terminal-green);
    padding: 0.25rem 0.5rem;
    font-size: 0.65rem;
    border-radius: 4px;
    font-weight: bold;
    border: 1px solid var(--terminal-green);
    box-shadow: 0 0 5px var(--glow-color);
    font-family: var(--font-title);
}

.work-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.work-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-title);
    color: var(--terminal-green);
    text-shadow: 0 0 3px var(--glow-color);
}

.work-desc {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    color: #a5b1c2;
}

.tech-icons {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.tech-icons img {
    width: 24px;
    height: 24px;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--transition);
}

.tech-icons img:hover {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.1);
}

/* ==========================================================================
   9. CONTACTO Y FOOTER
   ========================================================================== */
.contact-wrap {
    text-align: left;
}

.contact-lead {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.contact-email {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--terminal-green);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border-bottom: 1px dashed var(--terminal-green);
}

.contact-email:hover {
    text-shadow: 0 0 8px var(--glow-color);
}

.site-footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--card-bg);
    color: #8b949e;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   10. MEDIA QUERIES (Responsive Móvil y Tablet)
   ========================================================================== */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-art {
        grid-row: 1; /* Sube la imagen/terminal arriba del texto en móviles */
    }
    
    .hero-desc {
        max-width: 100%;
    }

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

    .hero-name {
        font-size: clamp(2.2rem, 8vw, 3.2rem);
    }
}

@media (max-width: 768px) {
    .topnav {
        padding: 0 1.5rem;
        height: 60px;
    }

    .menu-toggle {
        display: flex;
    }

    .topnav-links {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: rgba(11, 15, 22, 0.98);
        border-top: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transform: translateY(-150%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 999;
    }

    .topnav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

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

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 1.8rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }

    .contact-email {
        font-size: 1.15rem;
    }
}