/* ============================================
   ATECHLO - PORTFOLIO / PROYECTOS (Dev Dark)
   GitHub Dark-inspired developer theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #161b22;
    --border-color: #30363d;
    --border-hover: #58a6ff;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-orange: #d29922;
    --accent-purple: #bc8cff;
    --accent-red: #f85149;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding-top: 80px;
    min-height: 100vh;
}

/* --- NAVBAR (overrides for dark theme) --- */
.navbar {
    background: rgba(13, 17, 23, 0.95) !important;
    border-bottom: 1px solid var(--border-color) !important;
    backdrop-filter: blur(12px);
}

.nav-links a:hover {
    color: var(--accent-blue) !important;
}

.dropdown-content {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
}

/* --- HERO SECTION --- */
.portfolio-hero {
    padding: 80px 20px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.portfolio-hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(88, 166, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.terminal-line {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.terminal-line .prompt {
    color: var(--accent-green);
}

.terminal-line .cmd {
    color: var(--text-primary);
}

.terminal-line .cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--accent-blue);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 4px;
}

@keyframes blink {
    50% { opacity: 0; }
}

.portfolio-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* --- GITHUB STATS BAR --- */
.github-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-width: 700px;
    margin: 0 auto 60px;
}

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

.github-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    font-family: var(--font-mono);
}

.github-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* --- PROJECTS FILTER --- */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.filter-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--bg-primary);
}

/* --- PROJECTS GRID --- */
.portfolio-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 16px rgba(88, 166, 255, 0.08);
    transform: translateY(-3px);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent-blue);
    border-radius: 12px 0 0 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before {
    opacity: 1;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.project-icon {
    width: 40px;
    height: 40px;
    background: rgba(88, 166, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.project-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-blue);
}

.project-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.project-version {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    background: rgba(139, 148, 158, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: auto;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}

.project-tag {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 500;
    font-family: var(--font-mono);
}

.tag-js { background: rgba(241, 224, 90, 0.15); color: #f1e05a; }
.tag-ts { background: rgba(49, 120, 198, 0.15); color: #3178c6; }
.tag-py { background: rgba(53, 114, 165, 0.15); color: #3572a5; }
.tag-react { background: rgba(97, 218, 251, 0.15); color: #61dafb; }
.tag-node { background: rgba(104, 159, 56, 0.15); color: #689f38; }
.tag-electron { background: rgba(71, 190, 233, 0.15); color: #47bee9; }
.tag-go { background: rgba(0, 173, 216, 0.15); color: #00add8; }
.tag-rust { background: rgba(222, 165, 132, 0.15); color: #dea584; }
.tag-default { background: rgba(139, 148, 158, 0.15); color: var(--text-secondary); }

.project-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.project-stars {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.project-stars svg {
    width: 14px;
    height: 14px;
}

.project-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.project-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: var(--font-sans);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
}

.project-btn:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.project-btn.primary {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--bg-primary);
}

.project-btn.primary:hover {
    background: #2ea043;
    border-color: #2ea043;
    box-shadow: 0 2px 8px rgba(63, 185, 80, 0.3);
}

/* --- FOOTER DARK --- */
.portfolio-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 20px;
    text-align: center;
}

.portfolio-footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.portfolio-footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.portfolio-footer a:hover {
    text-decoration: underline;
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .github-stats {
        gap: 25px;
        padding: 20px;
    }
    .github-stat-value {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
    }
    .portfolio-hero h1 {
        font-size: 1.8rem;
    }
    .project-actions {
        flex-direction: column;
    }
    .project-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .github-stats {
        gap: 15px;
        padding: 15px;
    }
    .github-stat {
        min-width: 80px;
    }
    .github-stat-value {
        font-size: 1.1rem;
    }
    .github-stat-label {
        font-size: 0.7rem;
    }
}