/* ─── Variables ───────────────────────────────────────────────────────────── */
:root {
  --bg:        #080d14;
  --bg-card:   #0d1524;
  --bg-nav:    rgba(8, 13, 20, 0.88);
  --border:    #1a2744;
  --border-hi: #2a3f6a;
  --accent:    #22d3ee;   /* cyan — distinct from hofstede's green */
  --accent2:   #a78bfa;   /* violet for secondary highlights */
  --text:      #e2eaf5;
  --muted:     #6b7fa3;
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --radius:    6px;
  --nav-h:     58px;
}

/* ─── Reset / Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Subtle noise grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent2); }

img { max-width: 100%; display: block; }

/* ─── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Navigation ──────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

/* Gradient accent line at bottom of nav */
.nav::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
  opacity: 0.4;
}

.nav-brand {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}

/* ─── Sections ────────────────────────────────────────────────────────────── */
section { padding: 5rem 2.5rem; max-width: 1100px; margin: 0 auto; }

.section-heading {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* path-style heading: ~/about */
.section-heading::before {
  content: '~/';
  color: var(--accent);
  font-size: 0.85rem;
}

.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
  max-width: 300px;
}

/* ─── Hero ────────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  max-width: 100%;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Animated dot grid */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(26, 39, 68, 0.9) 1px, transparent 1px);
  background-size: 32px 32px;
  animation: gridShift 25s linear infinite;
  z-index: 0;
}

/* Cyan + violet ambient glows */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 15% 50%, rgba(34, 211, 238, 0.06) 0%, transparent 65%),
    radial-gradient(ellipse 45% 40% at 85% 40%, rgba(167, 139, 250, 0.06) 0%, transparent 65%);
}

@keyframes gridShift {
  0%   { background-position: 0 0; }
  100% { background-position: 32px 32px; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding-top: var(--nav-h);
}

/* Photo */
.hero-photo { flex-shrink: 0; position: relative; }

.hero-photo::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  opacity: 0.5;
  transition: opacity 0.3s;
}

.hero-photo img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  border: 3px solid var(--bg);
  filter: grayscale(20%);
  transition: filter 0.3s;
}

.hero-photo:hover::before { opacity: 0.8; }
.hero-photo:hover img { filter: grayscale(0%); }

/* Text */
.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.hero-cursor::after {
  content: '_';
  color: var(--accent);
  animation: cursorBlink 1.1s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-tagline {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.75rem;
  letter-spacing: 0.05em;
}

.hero-tagline::before { content: '$ '; color: var(--muted); }

/* Terminal block */
.hero-terminal {
  background: rgba(13, 21, 36, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
  max-width: 460px;
  overflow: hidden;
}

.terminal-bar {
  background: var(--border);
  padding: 0.5rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-left: 0.25rem;
}

.terminal-body {
  padding: 1rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--muted);
}

.t-prompt { color: var(--accent2); }
.t-cmd    { color: var(--text); }
.t-key    { color: var(--accent); }
.t-val    { color: var(--text); }

/* CTAs */
.hero-ctas { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}

.btn:hover { transform: translateY(-2px); }

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

.btn-primary:hover {
  color: var(--bg);
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent2);
  border-color: var(--accent2);
}

.btn-outline:hover {
  color: var(--accent2);
  box-shadow: 0 4px 24px rgba(167, 139, 250, 0.2);
}

/* ─── About ───────────────────────────────────────────────────────────────── */
#about .about-bio {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 700px;
  margin-bottom: 3.5rem;
  line-height: 1.85;
}

/* ─── Origin block ────────────────────────────────────────────────────────── */
.origin-block {
  max-width: 680px;
  background: rgba(13, 21, 36, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 3.5rem;
}

.origin-bar {
  background: rgba(26, 39, 68, 0.6);
  padding: 0.45rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid var(--border);
}

.origin-filename {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-left: 0.25rem;
  opacity: 0.7;
}

.origin-text {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.85;
  padding: 1rem 1.25rem;
  font-style: italic;
}

/* ─── Bento stack ─────────────────────────────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.bento-card {
  grid-column: span var(--span, 1);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

/* Gradient border glow on hover via pseudo-element */
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.25s;
}

.bento-card:hover { transform: translateY(-3px); }
.bento-card:hover::before { opacity: 1; }

.bento-top-bar {
  height: 2px;
  background: var(--accent);
  opacity: 0.6;
}

.bento-category {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding: 0.85rem 1.1rem 0.5rem;
}

.bento-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1.1rem 1.1rem;
}

.bento-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
  cursor: default;
}

.bento-chip:hover {
  background: rgba(34, 211, 238, 0.05);
  border-color: rgba(34, 211, 238, 0.2);
}

.skill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.bento-icon {
  font-size: 14px;
  flex-shrink: 0;
  line-height: 1;
}

/* ─── Certificates ────────────────────────────────────────────────────────── */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 700px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}

.cert-card:hover {
  background: rgba(167, 139, 250, 0.04);
  transform: translateX(5px);
}

.cert-abbr {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent2);
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: var(--radius);
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 70px;
  text-align: center;
}

.cert-info { flex: 1; }

.cert-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.cert-issuer {
  font-family: var(--mono);
  font-size: 0.73rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.cert-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--border-hi);
}

.cert-id { margin-left: 0.25rem; }

.cert-link {
  font-family: var(--mono);
  font-size: 0.73rem;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}

.cert-link:hover { color: var(--accent2); }

/* ─── Experience ──────────────────────────────────────────────────────────── */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.exp-company {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.exp-company:hover { border-color: var(--border-hi); }

.exp-company-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1.35rem;
  background: rgba(34, 211, 238, 0.04);
  border-bottom: 1px solid var(--border);
}

.exp-company-name {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}

.exp-tenure {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  white-space: nowrap;
}

.exp-roles {
  display: flex;
  flex-direction: column;
}

.exp-role {
  display: grid;
  grid-template-columns: 175px 1fr;
  gap: 1rem;
  padding: 0.85rem 1.35rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.exp-role:last-child { border-bottom: none; }
.exp-role:hover { background: rgba(255,255,255,0.02); }

.exp-role-meta {
  padding-top: 0.15rem;
}

.exp-role-period {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.5;
}

.exp-role-body h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.exp-role-body p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── Projects ────────────────────────────────────────────────────────────── */
.projects-note {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  opacity: 0.7;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

/* Subtle top-left corner accent */
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.project-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

.project-card h3 {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-card h3::before {
  content: '//';
  color: var(--muted);
  font-size: 0.75rem;
}

.project-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,0.02);
}

.project-card--private { opacity: 0.65; cursor: default; }
.project-card--private:hover { transform: none; box-shadow: none; border-color: var(--border); }
.project-card--private:hover::before { opacity: 0; }

.private-badge {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.08rem 0.38rem;
  vertical-align: middle;
  margin-left: 0.3rem;
}

/* ─── Contact ─────────────────────────────────────────────────────────────── */
#contact { text-align: center; }

#contact .contact-intro {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  font-size: 0.95rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--bg-card);
  transition: border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.contact-link:hover {
  color: var(--accent);
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.08);
}

.contact-link svg { width: 15px; height: 15px; fill: currentColor; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .hero-photo img { width: 150px; height: 150px; }
  .hero-ctas { justify-content: center; }
  .hero-terminal { max-width: 100%; }

  .exp-role { grid-template-columns: 1fr; gap: 0.2rem; }
  .exp-company-header { flex-direction: column; gap: 0.25rem; }
  .exp-tenure { white-space: normal; }

  .bento-grid { grid-template-columns: 1fr; }
  .bento-card { grid-column: span 1 !important; }

  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  section { padding: 3rem 1.25rem; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ─── Prose (single pages) ────────────────────────────────────────────────── */
.prose-page {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 2rem 5rem;
}

.prose-header { margin-bottom: 2rem; }

.prose-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.prose-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.prose-body {
  color: var(--muted);
  line-height: 1.85;
  font-size: 1rem;
}

.prose-body h2, .prose-body h3 {
  color: var(--text);
  font-family: var(--mono);
  margin: 2rem 0 0.75rem;
}

.prose-body h2::before { content: '## '; color: var(--accent); }
.prose-body h3::before { content: '### '; color: var(--accent); }

.prose-body p { margin-bottom: 1.25rem; }
.prose-body a { color: var(--accent); }
.prose-body a:hover { color: var(--accent2); }

.prose-body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--accent);
}

.prose-body pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.prose-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.82rem;
}

.prose-body blockquote {
  border-left: 2px solid var(--accent2);
  padding-left: 1rem;
  color: var(--muted);
  margin: 1.5rem 0;
}

.prose-body ul, .prose-body ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.prose-body li { margin-bottom: 0.4rem; }

/* ─── Post list ───────────────────────────────────────────────────────────── */
.list-page {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 2rem 5rem;
}

.post-list { list-style: none; }

.post-list-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.post-list-item a { font-size: 1rem; color: var(--text); transition: color 0.2s; }
.post-list-item a:hover { color: var(--accent); }