/* Kex — shared stylesheet */

:root {
  --bg: #0b0e11;
  --bg-elev: #12161b;
  --border: #1f252c;
  --text: #d7dde3;
  --text-dim: #8892a0;
  --accent: #52e0c4;
  --accent-2: #f2b84b;
  --code-bg: #0d1013;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-w: 760px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(640px circle at 12% 0%, rgba(82, 224, 196, 0.09), transparent 60%),
    radial-gradient(520px circle at 100% 18%, rgba(242, 184, 75, 0.055), transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1.5px);
  background-repeat: no-repeat, no-repeat, repeat;
  background-size: auto, auto, 26px 26px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, .mono {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0.2em 0; color: #fff; }
h2 { font-size: clamp(1.2rem, 2.6vw, 1.5rem); color: #fff; margin-top: 2.4em; }
h3 { font-size: 1.05rem; color: var(--text); }

p { margin: 0.9em 0; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.4rem;
}

/* --- Nav --- */
.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 14, 17, 0.9);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.nav .wrap {
  max-width: 880px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}

.brand .cursor {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .brand .cursor { animation: none; }
}

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

.navlinks {
  display: flex;
  gap: 1.3rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.navlinks a { color: var(--text-dim); }
.navlinks a:hover { color: var(--accent); }

.langgroup {
  display: flex;
  gap: 0.7rem;
  border-left: 1px solid var(--border);
  padding-left: 1.3rem;
}

.lang.current {
  color: var(--text-dim);
  opacity: 0.45;
}

/* --- Hero --- */
.hero { padding: 3.6rem 0 2.4rem; }

.hero-flex {
  display: flex;
  align-items: flex-start;
  gap: 1.7rem;
  flex-wrap: wrap;
}

.avatar {
  width: 116px;
  height: 116px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.prompt {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}
.prompt::before { content: "$ "; color: var(--text-dim); }

.tagline {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 1.05rem;
  margin-top: 0;
}

.lede { color: var(--text-dim); max-width: 60ch; }

/* --- Sections --- */
section { padding: 1.2rem 0; }

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.2rem 0;
}

/* --- Skills grid --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
  margin-top: 1rem;
}

.skill-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
}

.skill-card h3 {
  margin: 0 0 0.5em;
  color: var(--accent);
  font-size: 0.95rem;
}

.skill-card p {
  margin: 0 0 0.7em;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.5;
}

.skill-card ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.skill-card li { margin: 0.25em 0; }

/* --- Principles list --- */
.principles {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.principles li {
  position: relative;
  padding: 0.7em 0 0.7em 1.7em;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}

.principles li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
}

/* --- Blog cards --- */
.post-card {
  display: block;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}

.post-card:hover { text-decoration: none; }
.post-card:hover .post-title { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.post-date {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.post-title {
  display: block;
  color: #fff;
  font-family: var(--mono);
  font-size: 1.1rem;
  margin: 0.3em 0 0.3em;
}

.post-excerpt { color: var(--text-dim); margin: 0; font-size: 0.95rem; }

/* --- Article --- */
article pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
}

article code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

article pre code { background: none; padding: 0; }

.back-link {
  display: inline-block;
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: 0.9rem;
}

/* --- Contact --- */
.contact-list {
  list-style: none;
  padding: 0;
  font-family: var(--mono);
}

.contact-list li { margin: 0.5em 0; }
.contact-list .label { color: var(--text-dim); display: inline-block; width: 90px; }

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.6rem 0 3rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-family: var(--mono);
}

/* --- Lang chooser (root index) --- */
.chooser {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.chooser .brand { font-size: 2rem; }

.chooser .options {
  margin-top: 1.6rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.chooser a {
  font-family: var(--mono);
  border: 1px solid var(--border);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  color: var(--text);
}

.chooser a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}