/* ─── Design tokens ─────────────────────────────────────────────────── */
:root {
  --bg:        #0b1e2d;
  --surface:   #112233;
  --border:    #1e3a52;
  --text:      #ddeeff;
  --muted:     #6b93b5;
  --accent:    #00d4aa;
  --react:     #61dafb;
  --vue:       #42b883;
  --shell:     #38bdf8;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-mono:    'DM Mono', 'Fira Code', monospace;

  --radius:    4px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }
strong { font-weight: 500; }

/* ─── Layout ─────────────────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100dvh;
}

/* ─── Header ─────────────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex;
  gap: 0.2em;
}
.wordmark__first { color: var(--muted); }
.wordmark__last  { color: var(--text); }

.site-nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }
.nav-link--active { color: var(--accent); }
.nav-link--active::after { width: 100%; }

/* ─── Main ───────────────────────────────────────────────────────────── */
.main-content {
  padding: 4rem 2.5rem;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

/* ─── Home page ──────────────────────────────────────────────────────── */
.home {
  padding-top: 4rem;
  animation: fadeUp 0.6s ease both;
}

.home__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.home__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 2rem;
}

.home__headline em {
  font-style: italic;
  color: var(--muted);
}

.home__sub {
  max-width: 480px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 3rem;
}

.home__sub strong { color: var(--text); }

.home__cta-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 85%, white); }

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--muted); }

/* ─── MFE legend pills ───────────────────────────────────────────────── */
.home__mfe-legend {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pill {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid;
}

.pill--react  { border-color: var(--react);  color: var(--react); }
.pill--vue    { border-color: var(--vue);    color: var(--vue); }
.pill--shell  { border-color: var(--shell);  color: var(--shell); }

/* ─── Loading state ──────────────────────────────────────────────────── */
.mfe-loading {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.mfe-loading__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}
.mfe-loading__dot:nth-child(2) { animation-delay: 0.2s; }
.mfe-loading__dot:nth-child(3) { animation-delay: 0.4s; }

/* ─── Error state ────────────────────────────────────────────────────── */
.mfe-error {
  padding: 2rem;
  border: 1px solid #3a1f1f;
  background: #1a0f0f;
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.7;
}
.mfe-error__hint {
  color: var(--muted);
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

/* ─── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  padding: 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer__links {
  display: flex;
  gap: 1.25rem;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--text);
}

/* ─── Animations ─────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%       { opacity: 1;   transform: scale(1); }
}

/* ─── MFE page wrapper (applied inside each remote) ─────────────────── */
.mfe-page {
  animation: fadeUp 0.4s ease both;
}