/* ══════════════════════════════════════════════════════════════
   SELF-HOSTED FONTS
══════════════════════════════════════════════════════════════ */
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter.woff2') format('woff2');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono.woff2') format('woff2');
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

/* ══════════════════════════════════════════════════════════════
   RESET & VARIABLES
══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark:      #0a0f1a;
  --bg-card:      #111827;
  --bg-card-alt:  #1a2332;
  --accent:       #3b82f6;
  --accent-glow:  rgba(59, 130, 246, 0.25);
  --accent-light: #60a5fa;
  --teal:         #14b8a6;
  --purple:       #a78bfa;
  --pink:         #f472b6;
  --orange:       #fb923c;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:   #64748b;
  --border:       #1e293b;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.4);
  --font-sans:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg-dark:      #eef2f7;
  --bg-card:      #ffffff;
  --bg-card-alt:  #f4f6f9;
  --accent:       #2563eb;
  --accent-glow:  rgba(37, 99, 235, 0.12);
  --accent-light: #1d4ed8;
  --teal:         #0d9488;
  --purple:       #7c3aed;
  --pink:         #db2777;
  --orange:       #ea580c;
  --text-primary: #0f172a;
  --text-secondary: #374151;
  --text-muted:   #6b7280;
  --border:       #cbd5e1;
  --shadow:       0 2px 12px rgba(0, 0, 0, 0.1);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* ══════════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand {
  font-weight: 700; font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.nav-brand span { color: var(--accent); }
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active {
  color: var(--accent);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 32px; height: 32px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s;
}
.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(2.5px, -2.5px);
}

@media (max-width: 640px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 0.75rem clamp(1.5rem, 5vw, 4rem);
    font-size: 1rem;
  }
  .nav-links a:hover,
  .nav-links a.active {
    background: var(--bg-card-alt);
  }
  .nav-links a.active::after { display: none; }
  .stat-card { padding: 1rem 0.75rem; }
  .stat-card .value { font-size: 1.5rem; }
}

[data-theme="light"] nav {
  background: rgba(238, 242, 247, 0.9);
}

[data-theme="light"] .post-content code {
  background: #e8ecf2;
  color: #1e40af;
  border-color: #cbd5e1;
}
[data-theme="light"] .post-content pre code {
  background: none;
  border: none;
  color: #f8f8f2;
}

.theme-toggle {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 80vw; height: 80vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 1;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.hero-label .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 50%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-primary);
  max-width: 600px;
  line-height: 1.5;
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600;
  transition: all 0.2s; cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: #2563eb; color: white; transform: translateY(-2px); }
.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover { background: var(--bg-card-alt); border-color: var(--accent); color: var(--text-primary); }

/* ── CV dropdown ─────────────────────────────────────────────────────────── */
.cv-dropdown { position: relative; display: inline-flex; }
.cv-dropdown-toggle { font-family: inherit; }
.cv-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 160px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  list-style: none;
  padding: 4px 0;
  z-index: 200;
}
.cv-dropdown-menu.open { display: block; }
.cv-dropdown-menu li a {
  display: block;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.15s;
}
.cv-dropdown-menu li a:hover { background: var(--bg-card-alt); color: var(--accent); }

/* ══════════════════════════════════════════════════════════════
   SECTIONS
══════════════════════════════════════════════════════════════ */
section {
  padding: clamp(4rem, 10vw, 7rem) 0;
}
.section-header {
  margin-bottom: 3rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -1px;
}

/* ══════════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-grid > * { min-width: 0; }
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}
.stat-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════════════════════════
   EXPERIENCE
══════════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--purple), var(--teal));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem; top: 0.5rem;
  width: 12px; height: 12px;
  background: var(--bg-dark);
  border: 3px solid var(--accent);
  border-radius: 50%;
  transform: translateX(-5px);
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.timeline-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}
.timeline-meta {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.timeline-meta span {
  display: flex; align-items: center; gap: 0.35rem;
}
.timeline-card h3 {
  font-size: 1.1rem; font-weight: 600;
  margin-bottom: 0.25rem;
}
.timeline-card .company {
  color: var(--accent-light);
  font-weight: 500;
}
.timeline-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-top: 0.75rem;
}

/* ══════════════════════════════════════════════════════════════
   PROJECTS
══════════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}
.project-card:hover { border-color: var(--accent); }
.project-card--featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59,130,246,0.08) 100%);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px rgba(59,130,246,0.15);
  grid-column: 1 / -1;
}
.project-card--featured:hover {
  box-shadow: 0 0 0 1px var(--accent-light), 0 12px 40px rgba(59,130,246,0.25);
}
.project-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--accent);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.project-gallery {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 1rem 1.25rem 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.project-gallery::-webkit-scrollbar { height: 4px; }
.project-gallery::-webkit-scrollbar-track { background: transparent; }
.project-gallery::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.project-gallery img {
  height: 180px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.3s, brightness 0.3s;
  border: 1px solid var(--border);
}
.project-gallery img:hover {
  transform: scale(1.05);
  brightness: 1.1;
}
.lb-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.lb-overlay.open {
  opacity: 1;
  visibility: visible;
}
.lb-overlay img {
  max-width: 92vw; max-height: 88vh;
  border-radius: var(--radius);
  object-fit: contain;
  transform: scale(0.95);
  transition: transform 0.3s;
}
.lb-overlay.open img {
  transform: scale(1);
}
.lb-close {
  position: absolute; top: 1.25rem; right: 1.5rem;
  font-size: 2rem; color: white; cursor: pointer;
  line-height: 1; background: none; border: none;
  opacity: 0.7; transition: opacity 0.2s;
}
.lb-close:hover { opacity: 1; }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-size: 2.5rem; color: white; cursor: pointer;
  background: none; border: none;
  opacity: 0.6; transition: opacity 0.2s;
  padding: 1rem;
  user-select: none;
}
.lb-nav:hover { opacity: 1; }
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }
.project-body {
  padding: 2rem;
  display: flex; flex-direction: column; justify-content: center;
}
.project-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 1rem;
}
.tag {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-light);
  font-size: 0.72rem; font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.project-body h3 {
  font-size: 1.4rem; font-weight: 700;
  margin-bottom: 0.5rem;
}
.project-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.project-links {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.project-links a {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.project-links a:hover { background: var(--accent); color: white; }

/* ══════════════════════════════════════════════════════════════
   SKILLS
══════════════════════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.skill-category h3 {
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.skill-category h3 .icon {
  font-size: 1.1rem;
}
.skill-list {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.skill-pill {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.82rem; font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  transition: border-color 0.2s, background 0.2s;
}
.skill-pill:hover {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}

.skills-certs-divider {
  height: 1px;
  background: var(--border);
  margin: 3rem 0;
}

/* ══════════════════════════════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════════════════════════════ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}
.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.cert-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.cert-card h4 {
  font-size: 0.95rem; font-weight: 600;
  margin-bottom: 0.25rem;
}
.cert-card .issuer {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.cert-card .cert-specialty {
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 0.3rem;
}

/* ══════════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════════ */
.contact {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.contact-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.contact h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.contact p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.contact-links {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
}
.contact-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-primary);
  transition: all 0.2s;
}
.contact-link:hover {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  color: var(--text-primary);
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
footer a { color: var(--text-secondary); }
footer a:hover { color: var(--accent-light); }

/* ══════════════════════════════════════════════════════════════
   BLOG — HOMEPAGE PREVIEW
══════════════════════════════════════════════════════════════ */
.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.blog-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.blog-preview-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.blog-preview-meta {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.78rem; color: var(--text-muted);
  font-family: var(--font-mono);
}
.blog-preview-card h3 {
  font-size: 1.05rem; font-weight: 600; line-height: 1.4;
}
.blog-preview-card h3 a {
  color: var(--text-primary);
  transition: color 0.2s;
}
.blog-preview-card h3 a:hover { color: var(--accent-light); }
.blog-preview-card p {
  font-size: 0.875rem; color: var(--text-secondary);
  line-height: 1.65; flex: 1;
}
.blog-preview-tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-top: 0.25rem;
}
.blog-preview-cta {
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════
   BLOG — LIST PAGE
══════════════════════════════════════════════════════════════ */
.blog-list-page {
  padding-top: 7rem;
  min-height: 100vh;
}
.blog-list-header {
  margin-bottom: 2.5rem;
}
.blog-list-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800; letter-spacing: -1.5px;
  margin-bottom: 0.75rem;
}
.blog-list-desc {
  color: var(--text-secondary);
  font-size: 1.05rem; max-width: 560px; line-height: 1.7;
}
.blog-tags-filter {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2.75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.filter-label {
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.5px; white-space: nowrap;
}
.tag-pills { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem; font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.tag-pill:hover, .tag-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  padding-bottom: 5rem;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 0.85rem;
  transition: border-color 0.2s, transform 0.2s;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.blog-card-meta {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.78rem; color: var(--text-muted);
  font-family: var(--font-mono);
}
.blog-card-title {
  font-size: 1.15rem; font-weight: 700; line-height: 1.35;
}
.blog-card-title a {
  color: var(--text-primary);
  transition: color 0.2s;
}
.blog-card-title a:hover { color: var(--accent-light); }
.blog-card-desc {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; flex: 1;
}
.blog-card-tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.reading-time { color: var(--text-muted); }
.blog-card-link {
  font-size: 0.82rem; font-weight: 600;
  color: var(--accent-light);
  margin-top: 0.25rem;
  transition: color 0.2s;
}
.blog-card-link:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════════════════
   BLOG — SINGLE POST
══════════════════════════════════════════════════════════════ */
.blog-post-page {
  padding-top: 6rem;
  padding-bottom: 5rem;
  min-height: 100vh;
}
.back-link {
  display: inline-flex; align-items: center;
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent-light); }
.blog-post { max-width: 720px; }
.post-header { margin-bottom: 2rem; }
.post-meta {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.82rem; color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 1.25rem;
}
.post-meta .sep { opacity: 0.4; }
.post-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800; line-height: 1.2; letter-spacing: -1px;
  margin-bottom: 1rem;
}
.post-lead {
  font-size: 1.1rem; color: var(--text-secondary);
  line-height: 1.75; margin-bottom: 1.25rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}
.post-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.post-divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

/* Article typography */
.post-content {
  font-size: 1rem; line-height: 1.85;
  color: var(--text-secondary);
}
.post-content h2 {
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.5px;
  margin: 2.5rem 0 1rem;
}
.post-content h3 {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary);
  margin: 2rem 0 0.75rem;
}
.post-content p { margin-bottom: 1.35rem; }
.post-content ul, .post-content ol {
  margin: 0 0 1.35rem 1.5rem;
}
.post-content li { margin-bottom: 0.4rem; }
.post-content strong { color: var(--text-primary); font-weight: 600; }
.post-content em { color: var(--accent-light); font-style: italic; }
.post-content a { color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover { color: var(--accent); }
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-card-alt);
  color: var(--accent-light);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.post-content pre {
  background: #272822;
  border: 1px solid #3e3d32;
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.post-content pre code {
  background: none; border: none; padding: 0;
  font-size: 0.875rem; color: #f8f8f2;
}
.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.post-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.post-footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.btn-back, .btn-portfolio {
  font-size: 0.875rem; font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.btn-back {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-back:hover { border-color: var(--accent); color: var(--accent-light); }
.btn-portfolio {
  background: var(--accent);
  color: #fff;
}
.btn-portfolio:hover { background: #2563eb; color: #fff; }

/* ══════════════════════════════════════════════════════════════
   PRINT  –  Ctrl+P produces a clean CV-style page
══════════════════════════════════════════════════════════════ */
@media print {
  @page { size: A4; margin: 14mm 16mm; }

  /* ── Strip all dark-theme decoration ─────────────────────── */
  *, *::before, *::after {
    background: #fff !important;
    background-image: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
    color: #1a1a1a !important;
    border-color: #ccc !important;
    animation: none !important;
    transition: none !important;
  }

  /* ── Hide website chrome ──────────────────────────────────── */
  nav,
  footer,
  canvas,
  #blog,
  #projects,
  #lightbox,
  .hero-ctas,
  .hero-label,
  .section-header .section-label,
  .skills-certs-divider,
  .cert-icon               { display: none !important; }

  /* ── Page layout ──────────────────────────────────────────── */
  body   { font-size: 10pt; line-height: 1.45; }
  .container { max-width: 100% !important; padding: 0 !important; }

  /* ── CV Header (hero) ─────────────────────────────────────── */
  .hero {
    text-align: center;
    padding: 0 0 6mm !important;
    border-bottom: 1.5px solid #2d6a9f !important;
    margin-bottom: 6mm;
  }
  .hero h1 {
    font-size: 20pt;
    font-weight: 700;
    color: #111 !important;
  }
  .hero h1 .gradient {
    color: #2d6a9f !important;
    -webkit-text-fill-color: #2d6a9f !important;
    background: none !important;
  }
  .hero-tagline {
    font-size: 11pt;
    color: #444 !important;
    margin-top: 2mm;
  }
  .hero-subtitle {
    font-size: 9.5pt;
    color: #555 !important;
    margin-top: 1.5mm;
  }

  /* ── Section headings ─────────────────────────────────────── */
  .section-title {
    font-size: 12pt;
    font-weight: 700;
    color: #2d6a9f !important;
    border-bottom: 1px solid #2d6a9f !important;
    padding-bottom: 1.5mm;
    margin-bottom: 4mm;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  section {
    padding: 4mm 0 !important;
    break-inside: avoid;
  }

  /* ── About ────────────────────────────────────────────────── */
  .about-grid { display: block !important; }
  .about-stats { display: none !important; }
  .about-text p { font-size: 10pt; color: #333 !important; }

  /* ── Timeline / Experience ────────────────────────────────── */
  .timeline { display: block !important; }
  .timeline-item {
    break-inside: avoid;
    padding: 0 !important;
    margin-bottom: 4mm !important;
  }
  .timeline-card {
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    padding: 3mm 4mm !important;
  }
  .timeline-card h3 { font-size: 10.5pt; font-weight: 700; color: #111 !important; }
  .timeline-card .company { font-style: italic; font-size: 10pt; color: #444 !important; }
  .timeline-card .timeline-meta { font-size: 8.5pt; color: #666 !important; margin-bottom: 1mm; }
  .timeline-card p { font-size: 9.5pt; color: #333 !important; margin-top: 1.5mm; }

  /* ── Skills ───────────────────────────────────────────────── */
  .skills-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 3mm !important;
  }
  .skill-category {
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    padding: 2.5mm 3.5mm !important;
    break-inside: avoid;
  }
  .skill-category h3 { font-size: 9.5pt; font-weight: 700; color: #2d6a9f !important; margin-bottom: 1.5mm; }
  .skill-pill {
    display: inline-block;
    border: 1px solid #ccc !important;
    border-radius: 3px !important;
    padding: 0px 4px !important;
    font-size: 8.5pt;
    margin: 1px 2px !important;
    color: #333 !important;
  }

  /* ── Education & Languages (cert-card) ────────────────────── */
  .certs-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 3mm !important;
  }
  .cert-card {
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    padding: 2.5mm 3.5mm !important;
    break-inside: avoid;
    display: block !important;
  }
  .cert-card h4 { font-size: 10pt; font-weight: 700; color: #111 !important; }
  .cert-card .issuer { font-size: 9pt; color: #555 !important; }
  .cert-card .cert-specialty { font-size: 8.5pt; color: #777 !important; }

  /* ── Contact ──────────────────────────────────────────────── */
  .contact {
    text-align: center;
    border-top: 1px solid #ccc !important;
    padding: 4mm 0 0 !important;
  }
  .contact > .container > p { display: none !important; } /* hide intro text */
  .contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6mm; }
  .contact-link { font-size: 9.5pt; color: #2d6a9f !important; }

  /* ── Links: don't expand URLs ────────────────────────────── */
  a[href]::after { content: none !important; }
}