/* ButterflyDreaming — Shared Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@300;400;500&display=swap');

/* ── Variables ── */
:root {
  --bg:        #080b18;
  --bg2:       #0f1424;
  --bg3:       #141930;
  --text:      #e8dfc8;
  --text-dim:  #9a9178;
  --gold:      #c8a96e;
  --gold-dim:  #7a6440;
  --lilac:     #a89bc8;
  --border:    rgba(200,169,110,0.18);
  --glow:      rgba(200,169,110,0.08);
  --font-head: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', sans-serif;
  --max:       860px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  min-height: 100vh;
}

/* ── Starfield background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 20%, rgba(200,169,110,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 60%, rgba(168,155,200,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 30%, rgba(200,169,110,0.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 75%, rgba(168,155,200,0.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 10%, rgba(200,169,110,0.1) 0%, transparent 100%),
    radial-gradient(600px 600px at 20% 80%, rgba(168,155,200,0.04) 0%, transparent 70%),
    radial-gradient(400px 400px at 80% 20%, rgba(200,169,110,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Navigation ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,11,24,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
}
.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
  flex-wrap: nowrap;
  justify-content: center;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.35rem 0.55rem;
  border-radius: 3px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
  background: var(--glow);
}

/* ── Page wrapper ── */
.page {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
  position: relative;
  z-index: 1;
}
.hero-glyph {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  opacity: 0.7;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero .subtitle {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lilac);
  margin-bottom: 2rem;
}
.hero .lede {
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.9;
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 3rem auto;
}

/* ── Section headings ── */
h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  margin-bottom: 1.25rem;
  line-height: 1.25;
}
h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--lilac);
  margin: 2rem 0 0.75rem;
}

/* ── Body text ── */
p { margin-bottom: 1.25rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
  transition: border-color 0.2s, color 0.2s;
}
a:hover { border-color: var(--gold); }

/* ── Cards / panels ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

/* ── Quote / pull ── */
blockquote {
  border-left: 2px solid var(--gold-dim);
  padding: 0.75rem 0 0.75rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-head);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.7;
}
blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-dim);
}

/* ── Journey steps ── */
.steps { counter-reset: step; margin: 2rem 0; }
.step {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--gold);
  counter-increment: step;
}
.step-body h3 { margin-top: 0; }

/* ── Lifecycle bar ── */
.lifecycle {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 2rem 0;
}
.lc-node {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  color: var(--text);
}
.lc-arrow {
  color: var(--gold-dim);
  font-size: 0.9rem;
}

/* ── Table ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
th {
  text-align: left;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--gold-dim);
  color: var(--gold);
  font-weight: 400;
  font-family: var(--font-head);
  font-size: 1rem;
  font-style: italic;
}
td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(200,169,110,0.08);
  vertical-align: top;
  color: var(--text-dim);
}
tr:last-child td { border-bottom: none; }

/* ── Tag pill ── */
.tag {
  display: inline-block;
  background: var(--glow);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0.2rem;
}

/* ── Chinese accent ── */
.zh {
  font-family: var(--font-head);
  font-style: normal;
  color: var(--lilac);
  font-size: 1.1em;
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .page { padding: 2.5rem 1.25rem 4rem; }
  .nav-inner { height: auto; padding: 0.75rem 0; flex-direction: column; align-items: flex-start; }
  .nav-links a { font-size: 0.72rem; padding: 0.3rem 0.5rem; }
  .hero { padding: 3rem 1.25rem 2rem; }
}