*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:          #0a0a0a;
  --bg-surface:  #111;
  --bg-subtle:   #1a1a1a;
  --fg:          #e8e8e8;
  --fg-dim:      #888;
  --fg-muted:    #444;
  --accent:      #cfcfcf;
  --accent-glow: rgba(255, 255, 255, 0.07);
  --border:      #222;
  --border-soft: #1c1c1c;
  --mono: 'Fira Code', ui-monospace, Menlo, Consolas, monospace;
  --sans: 'Fira Code', ui-monospace, Menlo, Consolas, monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-inner {
  display: flex; align-items: center; gap: 2rem;
  max-width: 740px;
  margin: 0 auto;
  padding: 0.9rem 2rem;
  border-bottom: 1px solid var(--border-soft);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
  opacity: 1;
  transition: opacity 0.15s;
}

.nav-logo:hover {
  opacity: 0.6;
  text-decoration: none;
}

.nav-logo-img {
  height: 1.4rem;
  width: auto;
  display: block;
}

.nav-logo-text {
  position: relative;
  top: 2px;
  left: -2px;
}

.nav-links {
  display: flex; gap: 1.5rem; margin-left: auto;
}

.nav-links a {
  color: var(--fg);
  text-decoration: none;
  font-size: 0.85rem;
  transition: opacity 0.15s;
}
.nav-links a:hover { opacity: 0.6; }

/* ── MAIN ────────────────────────────────────────── */
main {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 2rem 10rem;
}

/* ── PAGE CONTENT ────────────────────────────────── */

/* Hero h1 — first heading gets large treatment */
#page-content > h1:first-child {
  font-family: var(--mono);
  font-size: clamp(2.6rem, 7vw, 4.25rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin-top: 6rem;
  margin-bottom: 1.25rem;
  color: var(--fg);
}

/* Section headings */
h2 {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 2.25rem;
  margin-bottom: 0.6rem;
}

/* Body copy */
p {
  color: var(--fg-dim);
  margin-bottom: 1.1rem;
  max-width: 580px;
}

#page-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.25rem 0;
  cursor: zoom-in;
  transition: opacity 0.15s;
}
#page-content img:hover { opacity: 0.85; }

/* ── IMAGE MODAL ────────────────────────────────── */
.img-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  cursor: zoom-out;
}
.img-modal.open {
  opacity: 1;
  visibility: visible;
}
.img-modal img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
  transform: scale(0.95);
  transition: transform 0.2s ease;
}
.img-modal.open img {
  transform: scale(1);
}

em { color: var(--fg); font-style: italic; }
strong { color: var(--fg); font-weight: 600; }

/* Links */
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--fg); text-decoration: underline; }

/* Lists */
ul, ol {
  padding-left: 1.4rem;
  margin-bottom: 1.1rem;
  color: var(--fg-dim);
}
li { margin-bottom: 0.3rem; }
li strong { color: var(--fg); }

/* Inline code */
code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.12em 0.42em;
  border-radius: 3px;
  color: var(--fg);
}

/* Code blocks */
pre {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  position: relative;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.855rem;
  line-height: 1.75;
  color: var(--fg);
}

/* Blockquote as accent callout */
blockquote {
  border-left: 2px solid var(--accent);
  background: var(--accent-glow);
  padding: 0.875rem 1.25rem;
  margin: 1.75rem 0;
  border-radius: 0 5px 5px 0;
}
blockquote p {
  color: var(--fg);
  margin: 0;
  font-size: 1rem;
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4.5rem 0;
}

/* ── COMPONENTS (used from markdown HTML) ───────── */

/* Install command box */
.install {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1.25rem;
  margin: 0.75rem 0 1rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s;
  user-select: none;
  max-width: 100%;
  overflow-x: auto;
}
.install:hover { border-color: var(--fg-dim); }
.install.copied { border-color: var(--fg); }

.copied-label {
  display: inline-block;
  margin-left: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.copied-label.visible {
  opacity: 1;
  transform: translateX(0);
}
.install .prompt { color: var(--fg-muted); }
.install code { background: none; border: none; padding: 0; font-size: inherit; }
.install .sh-cmd { color: var(--fg); }
.install .sh-flag { color: var(--fg-dim); }
.install .sh-url { color: #fff; text-shadow: 0 0 8px rgba(255, 255, 255, 0.3); }
.install .sh-op { color: var(--fg-muted); }

/* CTA link row */
.cta-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 0.5rem;
}
.cta-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.83rem;
  color: var(--fg-dim);
  text-decoration: none;
  transition: border-color 0.12s, color 0.12s;
}
.cta-links a:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
}

/* Feature grid (optional 2-col) */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 2rem 0;
}
.feature {
  padding: 1.5rem;
  background: var(--bg-surface);
}
.feature h3 {
  font-size: 0.85rem;
  color: var(--fg);
  margin-top: 0;
  margin-bottom: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
}
.feature p {
  font-size: 0.875rem;
  margin: 0;
  max-width: none;
}

/* Tag list */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}
.tags span {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--fg-dim);
}

/* ── FOOTER ─────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 2rem;
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.8rem;
  font-family: var(--mono);
}
footer a { color: var(--fg-muted); }
footer a:hover { color: var(--fg-dim); text-decoration: none; }

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 600px) {
  .nav-inner { padding: 0.8rem 1rem; gap: 1rem; }
  .nav-links { gap: 0.9rem; }
  .nav-links a { font-size: 0.8rem; }
  main { padding: 0 1rem 7rem; }
  #page-content > h1:first-child { margin-top: 4rem; font-size: clamp(2rem, 9vw, 2.6rem); }
  .install { font-size: 0.75rem; padding: 0.7rem 1rem; gap: 0.5rem; }
  h2 { font-size: 1.15rem; }
  p, li { font-size: 0.9rem; }
  pre { padding: 1rem; }
  pre code { font-size: 0.78rem; }
}

@media (min-width: 1100px) {
  body { font-size: 16px; }
  .nav-inner { max-width: 860px; }
  main { max-width: 860px; }
  p { max-width: 660px; }
}