/* ================================================================
   SHARED FAMILY TOKENS  (identical block in both pages)
   ================================================================ */
:root {
  --bg: #fafaf9;
  --fg: #17181c;
  --muted: #6b6f76;
  --card: #ffffff;
  --line: #e7e5e1;

  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --s1: 8px;  --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 48px; --s6: 64px; --s7: 96px; --s8: 128px;
  --radius: 10px;
  --maxw: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0f1013; --fg: #e8e6e1; --muted: #8b8e95; --card: #16171b; --line: #26272c;
  }
}
:root[data-theme='dark'] {
  --bg: #0f1013; --fg: #e8e6e1; --muted: #8b8e95; --card: #16171b; --line: #26272c;
}

/* ================================================================
   PAGE ACCENT  (phosphor green + terminal surfaces)
   ================================================================ */
:root {
  --accent: #12b76a;   /* phosphor green */
  --term-bg: #0b0d0c;  /* terminal stays dark in both themes */
  --term-fg: #cfd3ce;
  --term-line: #1e2420;
  --term-dim: #6a7169;
}

/* ================================================================
   RESET + BASE
   ================================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; margin: 0; }
p { margin: 0; }
.mono { font-family: var(--font-mono); }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s3); }

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

/* ================================================================
   TOP BAR
   ================================================================ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.wordmark {
  font-family: var(--font-mono); font-size: 14px; font-weight: 600;
  text-decoration: none; letter-spacing: -0.01em; color: var(--fg);
  display: inline-flex; align-items: baseline; gap: 2px;
}
.wordmark .dot { color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: var(--s2); }
.nav-link {
  font-family: var(--font-mono); font-size: 13px; text-decoration: none;
  color: var(--muted); padding: 6px 4px; transition: color .15s;
}
.nav-link:hover { color: var(--fg); }
.theme-toggle {
  font-family: var(--font-mono); font-size: 12px; cursor: pointer;
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 8px; height: 30px; width: 34px; display: grid; place-items: center;
  transition: color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--muted); }

/* ================================================================
   HERO
   ================================================================ */
.hero { padding: var(--s7) 0 var(--s6); }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: var(--s3);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--accent); }
.hero h1 { font-size: clamp(2.1rem, 6vw, 4.1rem); max-width: 16ch; }
.hero h1 .g { color: var(--accent); }
.hero .lede { margin-top: var(--s3); max-width: 58ch; font-size: clamp(1rem, 2vw, 1.18rem); color: var(--muted); }
.hero .lede strong { color: var(--fg); font-weight: 600; }

/* signature terminal window */
.terminal {
  margin-top: var(--s5); background: var(--term-bg); border: 1px solid var(--term-line);
  border-radius: 12px; overflow: hidden; box-shadow: 0 24px 60px -30px rgba(0,0,0,.5);
}
.term-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--term-line);
}
.dots { display: flex; gap: 8px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }
.term-title { font-family: var(--font-mono); font-size: 12px; color: var(--term-dim); flex: 1; text-align: center; }
.copy-btn {
  font-family: var(--font-mono); font-size: 11px; cursor: pointer;
  background: transparent; color: #9aa39b; border: 1px solid var(--term-line);
  border-radius: 7px; padding: 4px 10px; transition: color .15s, border-color .15s;
}
.copy-btn:hover { color: #fff; border-color: #3a423b; }
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }
.term-body { padding: var(--s3); overflow-x: auto; }
.term-body pre { margin: 0; }
.term-body code {
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.9; color: var(--term-fg);
  display: block; white-space: pre;
}
.term-body .pr { color: var(--accent); }
.term-body .cm { color: var(--term-dim); }
.term-body .path { color: #cfae67; }
.cursor { display: inline-block; width: 9px; height: 16px; background: var(--accent); vertical-align: text-bottom; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ================================================================
   SECTION SCAFFOLD
   ================================================================ */
.section { padding: var(--s6) 0; border-top: 1px solid var(--line); }
.slabel {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--accent); margin-bottom: var(--s2);
}
.section h2 { font-size: clamp(1.5rem, 3.6vw, 2.1rem); max-width: 22ch; }
.section .sub { margin-top: var(--s2); color: var(--muted); max-width: 62ch; }

/* ================================================================
   INCLUDED CARDS
   ================================================================ */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s2); margin-top: var(--s4); }
.mcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s3); }
.mcard .big {
  font-family: var(--font-mono); font-size: 2rem; font-weight: 600; color: var(--accent);
  font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.mcard h3 { font-family: var(--font-display); font-size: 1.1rem; margin: 4px 0 8px; letter-spacing: -0.01em; }
.mcard p { color: var(--muted); font-size: 14px; }
.mcard ul { margin: 12px 0 0; padding: 0; list-style: none; }
.mcard li { font-family: var(--font-mono); font-size: 12.5px; color: var(--fg); padding: 3px 0; }
.mcard li::before { content: '+ '; color: var(--accent); }

/* ================================================================
   PHASES  (real numbered sequence)
   ================================================================ */
.phases { margin-top: var(--s4); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.phase {
  display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: var(--s2);
  padding: 13px var(--s3); border-bottom: 1px solid var(--line);
}
.phase:last-child { border-bottom: 0; }
.phase .num { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.phase .pname { font-family: var(--font-display); font-weight: 500; font-size: 1rem; }
.phase .ptype {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; white-space: nowrap;
}

/* ================================================================
   MIGRATION (two columns)
   ================================================================ */
.migrate { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2); margin-top: var(--s4); }
.mcol { background: var(--term-bg); border: 1px solid var(--term-line); border-radius: var(--radius); overflow: hidden; }
.mcol .mhead {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); padding: 12px 16px; border-bottom: 1px solid var(--term-line);
}
.mcol .mbody { padding: var(--s3); overflow-x: auto; }
.mcol pre { margin: 0; }
.mcol code { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.95; color: var(--term-fg); display: block; white-space: pre; }
.mcol .cm { color: var(--term-dim); }
.mcol .pr { color: var(--accent); }
.migrate-note {
  margin-top: var(--s3); font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  border-left: 2px solid var(--accent); padding-left: var(--s2); max-width: 74ch;
}

/* ================================================================
   SAFETY
   ================================================================ */
.safety { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s2); margin-top: var(--s4); }
.scard { border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s3); background: var(--card); }
.scard .tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.scard h3 { font-family: var(--font-display); font-size: 1.05rem; margin: 8px 0 6px; letter-spacing: -0.01em; }
.scard p { color: var(--muted); font-size: 14px; }

/* ================================================================
   REQUIREMENTS
   ================================================================ */
.reqs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--s4); }
.req { font-family: var(--font-mono); font-size: 13px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--fg); }
.req .m { color: var(--muted); }

/* ================================================================
   OUTBOUND CTA
   ================================================================ */
.cta {
  margin-top: var(--s4); background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: var(--s5) var(--s4);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s3);
  position: relative; overflow: hidden;
}
.cta::after {
  content: ''; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  pointer-events: none;
}
.cta .ct { position: relative; z-index: 1; }
.cta h3 { font-family: var(--font-display); font-size: 1.5rem; }
.cta p { color: var(--muted); margin-top: 6px; font-size: 14px; }
.btn {
  position: relative; z-index: 1;
  font-family: var(--font-mono); font-size: 14px; font-weight: 600; text-decoration: none;
  background: var(--accent); color: #04160d; padding: 14px 24px; border-radius: var(--radius);
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  transition: transform .15s, filter .15s;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.08); }

/* ================================================================
   LICENSE + FOOTER
   ================================================================ */
.license {
  margin-top: var(--s4); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: var(--s3) var(--s4); background: var(--card);
}
.license .lk { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; }
.license h3 { font-family: var(--font-display); margin: 8px 0; font-size: 1.2rem; }
.license p { color: var(--muted); font-size: 14px; }
.license a { color: var(--accent); }

.footer { border-top: 1px solid var(--line); padding: var(--s5) 0 var(--s6); margin-top: var(--s5); }
.footer .frow { display: flex; flex-wrap: wrap; gap: var(--s3); justify-content: space-between; align-items: baseline; }
.footer .fl { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.footer .fl a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--accent); }
.footer .fmeta { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: var(--s2); }
.footer .fmeta a { color: var(--muted); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 760px) {
  .grid3, .safety, .migrate { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 44px 1fr; }
  .phase .ptype { grid-column: 2; justify-self: start; margin-top: 2px; }
  .nav-link.hide-sm { display: none; }
}
@media (max-width: 420px) {
  .container { padding: 0 var(--s2); }
}