/* ============================================================
   biruk.co.uk — Terminal Dark
   ============================================================ */

:root {
  --bg:        #0d1117;
  --surface:   #161b22;
  --border:    #30363d;
  --text:      #e6edf3;
  --muted:     #8b949e;
  --green:     #7ee787;
  --blue:      #58a6ff;

  --maxw: 720px;
  --font: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
          Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.prompt { color: var(--green); }

/* Layout ----------------------------------------------------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 64px 0; }

.section-label {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 20px;
}
.section-label::before { content: "// "; color: var(--green); }

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 24px;
  letter-spacing: -0.4px;
}

/* Nav -------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 56px;
}
.nav-brand { color: var(--text); font-weight: 700; }
.nav-brand .prompt { color: var(--green); }
.nav-links { display: flex; gap: 20px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero / terminal -------------------------------------------- */

.hero { padding-top: 72px; }

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #ff5f56; }
.dot.y { background: #ffbd2e; }
.dot.g { background: #27c93f; }
.terminal-title {
  margin-left: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}
.terminal-body { padding: 28px clamp(20px, 5vw, 36px) 36px; }

.cmd { color: var(--muted); margin: 0 0 6px; }
.hero h1 {
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin: 6px 0 14px;
  line-height: 1.05;
}
.hero .role { color: var(--blue); margin: 0 0 18px; font-size: 1.05rem; }
.hero .tagline { color: var(--text); margin: 0 0 28px; max-width: 52ch; }

.cursor {
  display: inline-block;
  width: 0.6ch;
  background: var(--green);
  color: var(--green);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.cta {
  display: inline-block;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease;
}
.cta:hover { background: var(--green); color: var(--bg); text-decoration: none; }

/* Experience ------------------------------------------------- */

.timeline { display: flex; flex-direction: column; gap: 4px; }
.job {
  border-left: 2px solid var(--border);
  padding: 14px 0 14px 22px;
  position: relative;
}
.job::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
}
.job.current::before { border-color: var(--green); background: var(--green); }
.job-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.job-company { font-weight: 700; }
.badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--green);
  border: 1px solid var(--green);
  border-radius: 20px;
  padding: 2px 9px;
}
.job-date { color: var(--muted); font-size: 0.8rem; margin-left: auto; }
.job-title { color: var(--blue); margin: 2px 0; }
.job-desc { color: var(--muted); margin: 4px 0 0; font-size: 0.95rem; }

/* Skills ----------------------------------------------------- */

.skills { display: flex; flex-direction: column; gap: 22px; }
.skill-group-label { color: var(--muted); font-size: 0.85rem; margin: 0 0 10px; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.9rem;
}
.tag::before { content: "› "; color: var(--green); }

/* Projects --------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--green); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0 0 14px; color: var(--muted); font-size: 0.92rem; }
.card .soon {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--green);
}

/* Contact ---------------------------------------------------- */

.contact p { color: var(--muted); max-width: 52ch; }
.contact .email {
  display: inline-block;
  margin-top: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green);
}
.contact-links { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 20px; }
.contact-links a { color: var(--blue); font-size: 0.95rem; }
.contact-links a::before { content: "$ "; color: var(--green); }

/* Footer ----------------------------------------------------- */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Responsive ------------------------------------------------- */

@media (max-width: 560px) {
  /* Anchor links would overflow a narrow viewport; the page is short and
     scrolls naturally, so drop them and keep the brand. */
  .nav-links { display: none; }
  section { padding: 48px 0; }
}

/* Accessibility ---------------------------------------------- */

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; }
  .card { transition: none; }
  * { scroll-behavior: auto !important; }
}