:root{--bg: #f8f8f6;--bg-subtle: #f4f3ef;--bg-elevated: #ececd8;--text: #111;--text-body: #333;--text-muted: #666;--text-subtle: #888;--border: #d9d7d1;--border-strong: #a8a49a;--accent: #006fd0;--accent-hover: #006fd0;--accent-subtle: #e6f0fa;--success: #16a34a;--bc-paper: var(--bg);--bc-ink: var(--text);--bc-red: var(--accent);--bc-yellow: var(--accent-subtle);--bc-sand: var(--border);--bc-olive: var(--success);--color-bg: var(--bg);--color-bg-alt: var(--bg-subtle);--color-text: var(--text-body);--color-text-secondary: var(--text-muted);--color-heading: var(--text);--color-link: var(--accent);--color-link-hover: var(--accent);--color-accent: var(--accent);--color-border: var(--border);--color-tag-bg: transparent;--color-tag-text: var(--text-muted);--font-sans: var(--font-space-grotesk);--font-body: var(--font-jetbrains-mono);--font-mono: var(--font-jetbrains-mono);--font-display: var(--font-space-grotesk);--font-ornate: var(--font-space-grotesk);--space-xs: .25rem;--space-sm: 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1.25rem;overflow-x:auto;margin:1.5rem 0;font-size:.85rem;line-height:1.55;border-radius:0;border:none}pre>code{all:unset;font-family:var(--font-mono);font-size:1em;color:inherit}main{width:100%;max-width:var(--max-width-wide);margin:0 auto;padding:2rem 1rem 3rem}.site-header{background:var(--bg);border-bottom:1px solid var(--border)}.site-header a{color:var(--text);text-decoration:none}.site-header a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.header-inner{max-width:var(--max-width-wide);margin:0 auto;padding:1.25rem 1rem;display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:1rem 1.5rem}.header-title{font-family:var(--font-sans);font-weight:700;font-size:1.1rem;color:var(--text);letter-spacing:normal}.header-title-text{color:var(--text)}.header-logo-badge{display:none}.header-cta{color:var(--accent);text-decoration:none}.header-cta:hover{text-decoration:underline;text-underline-offset:3px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.55rem 1.1rem;font-family:var(--font-sans);font-size:.9rem;font-weight:500;color:var(--text);background:transparent;border:1px solid var(--text);border-radius:0;cursor:pointer;text-decoration:none;transition:color .12s ease,background .12s ease}.btn:hover{background:var(--text);color:var(--bg);text-decoration:none}.btn-primary,.btn-red{color:var(--bg);background:var(--text);border-color:var(--text)}.btn-primary:hover,.btn-red:hover{background:transparent;color:var(--text)}.btn-outline{background:transparent;color:var(--text);border-color:var(--text)}.btn-outline:hover{background:var(--text);color:var(--bg)}.btn-ghost{border-color:transparent;background:transparent;color:var(--accent)}.btn-ghost:hover{background:transparent;color:var(--accent);text-decoration:underline;text-underline-offset:3px}.section-heading{font-family:var(--font-sans);font-size:1.5rem;font-weight:700;color:var(--text);margin:2.5rem 0 1rem;letter-spacing:normal;text-transform:none}.section-heading:after{content:none}.section-subheading{font-family:var(--font-sans);font-size:1rem;font-weight:700;color:var(--text);margin:1.5rem 0 .75rem;text-transform:uppercase;letter-spacing:.02em}.section-divider{height:1px;background:var(--border);border:none;margin:2.5rem 0}.section-divider:before,.section-divider:after{content:none}.card,.card-bc{background:transparent;border:0;padding:0;box-shadow:none;border-radius:0}.card:hover,.card-bc:hover{background:transparent;border:0;box-shadow:none;transform:none}.tag,.tag-bc{display:inline;font-family:var(--font-mono);font-size:.85rem;color:var(--text-muted);background:transparent;border:0;padding:0;border-radius:0;letter-spacing:normal;text-transform:none}.tag:hover,.tag-bc:hover{color:var(--accent);background:transparent;border:0;text-decoration:underline;text-underline-offset:3px}.tag:before,.tag-bc:before{content:"#";opacity:.6}.skill-badge{display:inline;font-family:var(--font-mono);font-size:.9rem;color:var(--text-body);background:transparent;border:0;padding:0;border-radius:0;text-transform:none;letter-spacing:normal;cursor:pointer}.skill-badge:hover{color:var(--accent);background:transparent;border:0;text-decoration:underline;text-underline-offset:3px}.skill-badge--primary{color:var(--text);font-weight:700}.skill-badge--primary:hover{color:var(--accent)}.skill-badge--lg{font-size:1rem}.timeline{position:relative;padding-left:1.25rem;margin:1.5rem 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.project-card-title{color:var(--text)}.project-card-body{min-width:0;padding:0;display:block}.project-card-title{font-family:var(--font-sans);font-size:1.25rem;font-weight:700;color:var(--text);margin:0 0 .4rem;line-height:1.3;letter-spacing:normal;text-transform:none}.project-card-desc{font-family:var(--font-body);font-size:.95rem;color:var(--text-body);margin:0 0 .75rem;line-height:1.7;overflow:visible;overflow-wrap:anywhere;display:block;-webkit-line-clamp:unset;max-width:60ch}.project-card-links{display:block;padding:0;border:0;font-family:var(--font-mono);font-size:.9rem}.project-card-links>*+*:before{content:" · ";color:var(--text-subtle)}.project-card-links a{font-family:var(--font-mono);font-size:.9rem;color:var(--accent);text-transform:none;letter-spacing:normal;text-decoration:none}.project-card-links a:hover{text-decoration:underline;text-underline-offset:3px}.project-card-links a.project-card-install{font-weight:700}.project-card-media{display:block;margin:0;overflow:hidden;background:var(--bg-elevated);border:1px solid var(--border);border-radius:0;min-width:0}.project-card-media:hover{background:var(--bg-elevated);border:1px solid var(--border-strong)}.project-card-image{display:block;width:100%;height:auto;aspect-ratio:16 / 10;object-fit:cover;border:0;border-radius:0;margin:0}@media(max-width:720px){.project-card--has-media{grid-template-columns:1fr}.project-card-media{max-width:100%;order:-1}.project-card-image{aspect-ratio:16 / 9}}.skills-grid{font-family:var(--font-mono);font-size:.9rem;color:var(--text-body);margin:0 0 1.5rem;line-height:1.9}.skills-grid>*+*:before{content:" · ";color:var(--text-subtle)}.cert-card{background:transparent;border:0;border-bottom:1px solid var(--border);border-radius:0;padding:1rem 0;margin:0}.cert-card:hover{border-bottom:1px solid 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auto;display:flex;flex-direction:column;align-items:center;gap:.5rem}.footer-title{font-family:var(--font-sans);font-size:1rem;font-weight:700;color:var(--text);text-transform:none;letter-spacing:normal;margin:0}.footer-subtitle{font-family:var(--font-mono);font-size:.8rem;color:var(--text-subtle);text-transform:none;letter-spacing:normal;margin:0}.social-links{display:block;font-family:var(--font-mono);font-size:.9rem;color:var(--text-muted);text-align:center;line-height:1.9}.social-links>*+*:before{content:" · ";color:var(--text-subtle)}.social-link{display:inline;width:auto;height:auto;padding:0;border:0;background:transparent;color:var(--accent);border-radius:0}.social-link:hover{background:transparent;border:0;color:var(--accent);text-decoration:underline;text-underline-offset:3px}.social-link svg{display:none}.social-link-zalo{padding:0}.zalo-text{font-family:var(--font-mono);font-weight:400;font-size:.9rem;letter-spacing:normal;text-transform:none}.site-footer .social-link,.site-footer .social-link:hover{border:0;color:var(--accent);background:transparent}details{border:0;border-bottom:1px solid var(--border);border-radius:0;padding:.5rem 0;margin:0;background:transparent}details[open]{padding-bottom:1rem}summary{cursor:pointer;font-family:var(--font-sans);font-weight:700;font-size:.95rem;color:var(--text);text-transform:none;letter-spacing:normal}summary:hover{color:var(--accent)}.contact-section{text-align:center;margin:3rem 0 2rem;padding:2rem 0;background:transparent;border-radius:0;border:0;border-top:1px solid var(--border)}.contact-heading{font-family:var(--font-sans);font-size:1.5rem;font-weight:700;color:var(--text);margin:0 0 .75rem;text-transform:none;letter-spacing:normal}.contact-desc{max-width:55ch;margin:0 auto 1.25rem;font-family:var(--font-body);font-size:.95rem;color:var(--text-body);line-height:1.7}.contact-actions{display:block;font-family:var(--font-mono);font-size:.9rem}.contact-actions>*+*:before{content:" · 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h4{font-family:var(--font-mono);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-subtle);margin:0 0 .25rem}.info-card p{font-family:var(--font-sans);font-size:1.05rem;font-weight:700;color:var(--text);margin:0;line-height:1.35}.bc-animate,.bc-animate.bc-visible{opacity:1;animation:none!important;transition:none!important;transform:none!important}.bc-delay-1,.bc-delay-2,.bc-delay-3,.bc-delay-4,.bc-delay-5,.bc-delay-6{animation-delay:0!important}img[loading=lazy]{transition:none}img.bc-lazy-loading,img.bc-lazy-loaded{opacity:1;filter:none}.sr-only{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);white-space:nowrap;border:0;padding:0;margin:0}.text-center{text-align:center}.text-right{text-align:right}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.flex-center{display:flex;justify-content:center;align-items:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.archive-hero{position:relative;margin:1rem 0 2rem;padding:0 0 1.5rem;border:0;border-bottom:1px solid var(--border);background:transparent;border-radius:0}.archive-hero:before,.archive-hero:after{content:none}.archive-hero-inner{display:block}.archive-kicker{display:inline;font-family:var(--font-mono);font-size:.8rem;font-weight:500;letter-spacing:.02em;text-transform:uppercase;color:var(--text-muted);margin:0 0 .5rem}.archive-kicker:before{content:""}.archive-title{font-family:var(--font-sans);font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.15;margin:.5rem 0;color:var(--text);text-transform:none;text-shadow:none;letter-spacing:normal}.archive-title .accent{color:var(--accent)}.archive-subtitle{font-family:var(--font-body);font-style:normal;font-size:1rem;color:var(--text-body);max-width:60ch;margin:0 0 1rem}.archive-stats{display:block;font-family:var(--font-mono);font-size:.85rem;color:var(--text-muted);margin:0;min-width:0}.archive-stats>*+*:before{content:" · ";color:var(--text-subtle)}.archive-stat{display:inline;padding:0;border:0;background:transparent;text-align:left;border-radius:0}.archive-stat-label{display:inline;font-family:var(--font-mono);font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.02em;color:var(--text-subtle);margin:0 .3rem 0 0}.archive-stat-value{display:inline;font-family:var(--font-sans);font-size:.85rem;font-weight:700;color:var(--text);letter-spacing:normal}.archive-stat-value.small{font-family:var(--font-mono);font-weight:500;font-size:.85rem}.archive-toolbar{display:flex;align-items:stretch;gap:.5rem;margin:1rem 0;flex-wrap:wrap;font-family:var(--font-mono)}.archive-search-wrap{position:relative;flex:1 1 260px;min-width:240px}.archive-search{width:100%;height:100%;min-height:2.35rem;padding:.5rem .75rem .5rem 2rem;border:1px solid var(--border);background:var(--bg);font-family:var(--font-mono);font-size:.9rem;color:var(--text-body);border-radius:0;outline:none;transition:border-color .12s 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