/* ============================================================
   THEME — change the whole site's look from these variables.
   The palette follows the vanilla-json docs: deep navy, soft
   gray text, terminal green accent.
   ============================================================ */
:root {
  --bg:        #0f0f23;
  --bg-soft:   #16162e;
  --bg-softer: #1c1c38;
  --line:      #2a2a4a;
  --text:      #d4d4d4;
  --text-dim:  #8b8ba7;
  --accent:    #00cc00;
  --accent-2:  #ffff66;
  --serif:     "Fraunces", Georgia, serif;
  --sans:      "Inter", system-ui, -apple-system, sans-serif;
  --mono:      "Source Code Pro", ui-monospace, "Cascadia Code", monospace;
  --maxw:      860px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* ---------- nav ---------- */
#nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.nav-home {
  color: var(--accent);
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
}
.nav-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.nav-links a { color: var(--text-dim); padding: 0.35rem 0.1rem; }
.nav-links a:hover { color: var(--accent); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  overflow-wrap: break-word;
}

/* ---------- hero ---------- */
#hero { padding: 5.5rem 0 4.5rem; }

.hero-kicker {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.hero-kicker::after {
  content: "▌";
  animation: blink 1.2s steps(1) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1.05;
  margin: 0 0 1.2rem;
  color: #fff;
  letter-spacing: -0.01em;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 34em;
  margin: 0 0 1.8rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.hero-meta a {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.25rem 0.65rem;
  color: var(--text);
  background: var(--bg-soft);
}
.hero-meta a:hover { border-color: var(--accent); color: var(--accent); }
.hero-loc { align-self: center; }

/* ---------- sections ---------- */
.section { padding: 3.2rem 0; border-top: 1px solid var(--line); }
.section:empty { display: none; padding: 0; border: 0; }

.section-title {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 2rem;
}
.section-title::before { content: "// "; color: var(--text-dim); }

/* ---------- about ---------- */
.about p { margin: 0 0 1.1rem; max-width: 44em; }
.about p:last-child { margin-bottom: 0; }

/* ---------- experience ---------- */
.xp-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px dashed var(--line);
}
.xp-item:last-of-type { border-bottom: 0; }
.xp-period {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-top: 0.2rem;
}
.xp-now {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
}
.xp-role { font-weight: 600; color: #fff; }
.xp-company { color: var(--text-dim); }
.xp-mode {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin: 0.15rem 0 0.5rem;
}
.xp-summary { margin: 0.4rem 0 0.7rem; color: var(--text); max-width: 40em; }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.12rem 0.5rem;
}

.edu-title {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 2rem 0 0.6rem;
}
.edu-item { padding: 0.35rem 0; }
.edu-degree { color: var(--text); font-weight: 500; }
.edu-school { color: var(--text-dim); }
.edu-period { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); }

/* ---------- projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.project-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.3rem 1.3rem 1.1rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.project-name {
  font-family: var(--mono);
  font-weight: 600;
  color: #fff;
  font-size: 1rem;
  margin: 0 0 0.4rem;
}
.project-oneliner { color: var(--accent-2); font-size: 0.9rem; margin: 0 0 0.7rem; }
.project-desc { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 1rem; flex: 1; }
.project-links {
  font-family: var(--mono);
  font-size: 0.8rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.project-links a::before { content: "→ "; }

.project-wide {
  background: linear-gradient(135deg, var(--bg-soft), var(--bg-softer));
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 1.5rem 1.6rem;
  margin-bottom: 1.6rem;
}
.project-wide .project-desc { font-size: 0.95rem; color: var(--text); }

.client-title {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 1.6rem 0 0.4rem;
}
.client-row {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px dashed var(--line);
}
.client-row:last-child { border-bottom: 0; }
.client-name { font-family: var(--mono); font-weight: 600; color: var(--text); white-space: nowrap; }
.client-desc { color: var(--text-dim); font-size: 0.88rem; flex: 1; }
.client-link { font-family: var(--mono); font-size: 0.8rem; white-space: nowrap; }

/* ---------- skills ---------- */
.skills-headline { font-weight: 600; color: #fff; margin: 0 0 1.4rem; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(45%, 150px), 1fr));
  gap: 1.2rem;
}
.skill-group-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.skill-group ul { list-style: none; margin: 0; padding: 0; }
.skill-group li {
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 0.12rem 0;
}
.skill-group li::before { content: "· "; color: var(--accent); }

/* ---------- articles ---------- */
.article-item {
  display: block;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 0.9rem;
  color: var(--text);
  transition: border-color 0.15s ease;
}
.article-item:hover { border-color: var(--accent); color: var(--text); }
.article-title { font-weight: 600; color: var(--accent); font-family: var(--mono); }
.article-item:hover .article-title { color: var(--accent-2); }
.article-date { font-family: var(--mono); font-size: 0.78rem; color: var(--text-dim); margin-left: 0.7rem; }
.article-summary { color: var(--text-dim); font-size: 0.9rem; margin: 0.45rem 0 0; }

/* ---------- certificates ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 0.9rem;
}
.cert-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
}
a.cert-card:hover { border-color: var(--accent); }
.cert-title { font-weight: 600; color: #fff; font-size: 0.95rem; }
.cert-issuer { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); margin: 0.2rem 0; }
.cert-date { font-family: var(--mono); font-size: 0.75rem; color: var(--text-dim); }
.cert-note { color: var(--text-dim); font-size: 0.83rem; margin: 0.5rem 0 0; }

/* ---------- beyond ---------- */
.langs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}
.lang {
  font-family: var(--mono);
  font-size: 0.82rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  color: var(--text);
}
.lang span { color: var(--text-dim); }

.passion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 1rem;
}
.passion {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  background: var(--bg-soft);
}
.passion h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  margin: 0 0 0.5rem;
}
.passion p { margin: 0; color: var(--text-dim); font-size: 0.88rem; }

/* ---------- footer ---------- */
#footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 1rem;
  text-align: center;
}
.footer-cta {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: #fff;
  margin: 0 0 0.6rem;
}
.footer-line { color: var(--text-dim); margin: 0 0 1.4rem; }
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.4rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-bottom: 2.5rem;
}
.footer-tiny {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}
.footer-tiny a { color: var(--text-dim); text-decoration: underline; }

/* ---------- small screens ---------- */
@media (max-width: 640px) {
  #nav { padding: 0.75rem 1.1rem; }
  .nav-links { gap: 0.65rem 0.9rem; font-size: 0.8rem; justify-content: flex-end; }

  main { padding: 0 1.1rem 3rem; }

  #hero { padding: 3.2rem 0 2.8rem; }
  .hero-tagline { font-size: 1.05rem; }
  .hero-meta { gap: 0.55rem 0.9rem; }
  .hero-meta a { padding: 0.45rem 0.85rem; }   /* comfortable tap targets */
  .hero-loc { width: 100%; }                   /* location on its own line */

  .section { padding: 2.4rem 0; }
  .section-title { margin-bottom: 1.4rem; }

  .xp-item { grid-template-columns: 1fr; gap: 0.3rem; padding: 1.1rem 0; }
  .xp-period { padding-top: 0; }

  .project-card, .project-wide { padding: 1.1rem 1.1rem 1rem; }
  .project-links { gap: 0.85rem; }
  .project-links a { padding: 0.3rem 0; }      /* tap targets */
  .client-row { flex-direction: column; gap: 0.25rem; }

  .article-item { padding: 1rem 1.1rem; }
  .article-date { display: block; margin: 0.2rem 0 0; }

  .cert-card { padding: 1rem 1.1rem; }
  .passion { padding: 1rem 1.1rem; }

  .footer-links { flex-wrap: wrap; gap: 0.8rem 1.2rem; }
  .footer-links a { padding: 0.3rem 0.2rem; }
  .footer-cta { font-size: 1.35rem; }
}

/* very narrow phones */
@media (max-width: 380px) {
  .hero-name { font-size: 2.3rem; }
  .nav-links { gap: 0.5rem 0.7rem; font-size: 0.74rem; }
}