/* ===========================================================
   4rthur-Root — portfolio stylesheet
   Palette: Tokyonight-derived, matches GitHub README badges
=========================================================== */

:root {
  --bg: #1a1b26;
  --surface: #1f2335;
  --surface-hi: #24283b;
  --border: #2c3050;
  --text: #c0caf5;
  --text-dim: #9aa5ce;
  --muted: #565f89;
  --blue: #7aa2f7;
  --purple: #bb9af7;
  --green: #9ece6a;
  --amber: #e0af68;
  --red: #f7768e;

  --mono: "JetBrains Mono", "Fira Code", ui-monospace, "Cascadia Code", monospace;

  --max-w: 920px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(122,162,247,0.06), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(187,154,247,0.05), transparent 40%);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- top nav (shell-prompt style) ---------- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26,27,38,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topnav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  max-width: 980px;
}

.prompt-brand {
  color: var(--green);
  font-weight: 500;
  white-space: nowrap;
  font-size: 14px;
}
.prompt-brand .path { color: var(--blue); }
.prompt-brand .dollar { color: var(--text-dim); margin: 0 4px; }

.navlinks {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
}

.navlinks a {
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 4px;
}
.navlinks a:hover {
  color: var(--text);
  background: var(--surface-hi);
  text-decoration: none;
}
.navlinks .cd { color: var(--muted); }

/* ---------- hero / terminal ---------- */

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  gap: 28px;
}

.eyebrow {
  color: var(--green);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
}
.eyebrow::before { content: "// "; color: var(--muted); }

h1.hero-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 600;
  color: #fff;
}
h1.hero-title .accent { color: var(--blue); }

.hero-sub {
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: 15.5px;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13.5px;
  font-family: var(--mono);
}
.btn:hover { text-decoration: none; border-color: var(--blue); color: #fff; }
.btn.primary { background: var(--blue); color: #10121c; border-color: var(--blue); font-weight: 600; }
.btn.primary:hover { background: #8fb2ff; }

/* terminal window */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface-hi);
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.r { background: #f7768e; }
.dot.y { background: #e0af68; }
.dot.g { background: #9ece6a; }
.terminal-title {
  margin-left: 6px;
  color: var(--muted);
  font-size: 12px;
}
.terminal-body {
  padding: 18px 18px 22px;
  font-size: 13.5px;
  min-height: 190px;
}
.terminal-line { color: var(--text-dim); margin: 0 0 4px; }
.terminal-line .p { color: var(--green); }
.terminal-line .cmd { color: var(--text); }
.terminal-out { color: var(--text-dim); margin: 2px 0 14px; white-space: pre-wrap; }
.terminal-out .k { color: var(--purple); }
.terminal-out .v { color: var(--text); }
.cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--blue);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- section shell ---------- */

section { padding: 56px 0; border-top: 1px solid var(--border); }
section:first-of-type { border-top: none; }

.section-head { margin-bottom: 30px; }
.section-tag {
  color: var(--muted);
  font-size: 12.5px;
  margin: 0 0 6px;
}
h2.section-title {
  font-size: 22px;
  color: #fff;
  margin: 0;
  font-weight: 600;
}
h2.section-title .hash { color: var(--blue); margin-right: 8px; }

/* ---------- about ---------- */

.about-body p { color: var(--text-dim); max-width: 68ch; }
.about-body strong { color: var(--text); font-weight: 600; }

/* ---------- skills ---------- */

.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}
.skill-card h3 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.skill-card ul { margin: 0; padding: 0; list-style: none; }
.skill-card li {
  color: var(--text-dim);
  font-size: 13.5px;
  padding: 3px 0;
}
.skill-card li::before { content: "▸ "; color: var(--muted); }

/* ---------- projects ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--blue); transform: translateY(-2px); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.card-title { font-size: 15.5px; color: #fff; font-weight: 600; margin: 0; }
.status-pill {
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 20px;
  white-space: nowrap;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.status-pill.live { color: var(--green); border-color: rgba(158,206,106,0.35); }
.status-pill.wip { color: var(--amber); border-color: rgba(224,175,104,0.35); }
.status-pill.private { color: var(--muted); }

.card-desc { color: var(--text-dim); font-size: 13.5px; flex-grow: 1; margin: 0; }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 11px;
  color: var(--purple);
  background: rgba(187,154,247,0.08);
  padding: 3px 8px;
  border-radius: 4px;
}

.card-link {
  font-size: 13px;
  color: var(--blue);
  margin-top: 2px;
}
.card-link.disabled { color: var(--muted); }

/* ---------- blog teaser ---------- */

.blog-teaser {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 24px;
  color: var(--text-dim);
  font-size: 13.5px;
}
.blog-teaser code { color: var(--green); }

/* ---------- contact ---------- */

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.contact-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-item .k { color: var(--muted); }

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

/* ---------- responsive ---------- */

@media (max-width: 640px) {
  .navlinks { display: none; }
  .hero { padding: 48px 0 40px; }
  section { padding: 40px 0; }
}