/*
 * Vrè Parfé × Corex Solar — Shared Stylesheet
 * Used by all pages on the Corex Solar subdomain
 * Design system: verdigris + bronze on obsidian
 */

:root {
  /* Obsidian surfaces */
  --vp-obsidian-0: #07090a;
  --vp-obsidian-1: #0c1011;
  --vp-obsidian-2: #12171a;
  --vp-obsidian-3: #1a2024;
  --vp-obsidian-4: #222a2f;

  /* Lines */
  --vp-line:        #232c30;
  --vp-line-soft:   #1a2125;
  --vp-line-strong: #364148;

  /* Ink */
  --vp-ink:   #ecf0eb;
  --vp-ink-2: #a8b2ad;
  --vp-ink-3: #6c7570;
  --vp-ink-4: #4a524e;

  /* Verdigris */
  --vp-verdigris-200: #97d5b7;
  --vp-verdigris-300: #6cbf99;
  --vp-verdigris-400: #4ec9a3;
  --vp-verdigris-500: #3da888;

  /* Bronze */
  --vp-bronze-300: #c89c52;
  --vp-bronze-400: #b07f3a;
  --vp-bronze-500: #8e6328;

  /* Token semantics */
  --vp-rec: #d4a84a;
  --vp-co2: #4ec9a3;
  --vp-h2o: #6db6c4;

  /* Status */
  --vp-good: #4ec9a3;
  --vp-warn: #c89c52;
  --vp-bad:  #e06c6c;

  /* Typography */
  --vp-font-display: 'Forum', serif;
  --vp-font-sans:    'Manrope', sans-serif;
  --vp-font-mono:    'JetBrains Mono', monospace;

  /* Nav height — used for offset calculations */
  --vp-nav-height: 44px;
  --vp-topbar-height: 48px;
}

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

body {
  background: var(--vp-obsidian-0);
  color: var(--vp-ink);
  font-family: var(--vp-font-sans);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ─── TOPBAR ─────────────────────────────────────── */
.cx-topbar {
  height: var(--vp-topbar-height);
  background: var(--vp-obsidian-1);
  border-bottom: 1px solid var(--vp-bronze-400);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 0;
  position: sticky;
  top: 0;
  z-index: 200;
}

.cx-topbar-brand {
  font-family: var(--vp-font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: var(--vp-ink);
  white-space: nowrap;
}
.cx-topbar-brand .sep { color: var(--vp-bronze-300); margin: 0 8px; }
.cx-topbar-brand .co { color: var(--vp-verdigris-400); }

.cx-topbar-sep {
  width: 1px;
  height: 22px;
  background: var(--vp-line-strong);
  margin: 0 22px;
  flex-shrink: 0;
}

/* ─── NAV BAR ────────────────────────────────────── */
.cx-nav {
  height: var(--vp-nav-height);
  background: var(--vp-obsidian-0);
  border-bottom: 1px solid var(--vp-line);
  display: flex;
  align-items: stretch;
  padding: 0 28px;
  gap: 0;
  position: sticky;
  top: var(--vp-topbar-height);
  z-index: 190;
}

.cx-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--vp-ink-3);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.cx-nav-link:hover {
  color: var(--vp-ink-2);
  background: rgba(255,255,255,0.02);
}
.cx-nav-link.active {
  color: var(--vp-verdigris-400);
  border-bottom-color: var(--vp-verdigris-400);
  font-weight: 600;
}
.cx-nav-link .nav-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.cx-nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.cx-live-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(78,201,163,0.08);
  border: 1px solid rgba(78,201,163,0.2);
  padding: 3px 10px;
  border-radius: 2px;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--vp-verdigris-400);
  font-family: var(--vp-font-mono);
}
.cx-live-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--vp-verdigris-400);
}

.cx-nav-meta {
  font-family: var(--vp-font-mono);
  font-size: 0.6rem;
  color: var(--vp-ink-4);
}

/* ─── PAGE WRAPPER ───────────────────────────────── */
.cx-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 40px 72px;
}

/* ─── SECTION TITLE ──────────────────────────────── */
.cx-section-title {
  font-family: var(--vp-font-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--vp-bronze-300);
  text-transform: uppercase;
  font-weight: 600;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--vp-line);
  margin-bottom: 14px;
}

/* ─── PANEL ──────────────────────────────────────── */
.cx-panel {
  background: var(--vp-obsidian-2);
  border: 1px solid var(--vp-line);
  border-radius: 4px;
  padding: 18px 20px;
}

/* ─── TAGS ───────────────────────────────────────── */
.cx-tag {
  display: inline-block;
  border-radius: 2px;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--vp-font-sans);
}
.cx-tag-op {
  background: rgba(78,201,163,0.1);
  color: var(--vp-verdigris-400);
  border: 1px solid rgba(78,201,163,0.25);
}
.cx-tag-pilot {
  background: rgba(200,156,82,0.1);
  color: var(--vp-bronze-300);
  border: 1px solid rgba(200,156,82,0.25);
}
.cx-tag-live {
  background: rgba(78,201,163,0.1);
  color: var(--vp-verdigris-400);
  border: 1px solid rgba(78,201,163,0.25);
}

/* ─── BUTTONS ────────────────────────────────────── */
.cx-btn {
  font-family: var(--vp-font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--vp-line-strong);
  background: var(--vp-obsidian-3);
  color: var(--vp-ink-2);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cx-btn:hover {
  background: var(--vp-obsidian-4);
  color: var(--vp-ink);
}
.cx-btn-primary {
  background: var(--vp-verdigris-500);
  border-color: var(--vp-verdigris-400);
  color: var(--vp-obsidian-0);
}
.cx-btn-primary:hover {
  background: var(--vp-verdigris-400);
}

/* ─── DISCLAIMER ─────────────────────────────────── */
.cx-disclaimer {
  background: var(--vp-obsidian-1);
  border: 1px solid var(--vp-line-soft);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 0.62rem;
  color: var(--vp-ink-4);
  line-height: 1.7;
}

/* ─── FOOTER ─────────────────────────────────────── */
.cx-footer {
  border-top: 1px solid var(--vp-line);
  padding-top: 20px;
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}
.cx-footer-brand {
  font-family: var(--vp-font-display);
  font-size: 0.82rem;
  color: var(--vp-ink-4);
  letter-spacing: 0.04em;
}
.cx-footer-brand .sep { color: var(--vp-bronze-400); margin: 0 5px; }
.cx-footer-meta {
  font-family: var(--vp-font-mono);
  font-size: 0.6rem;
  color: var(--vp-ink-4);
  text-align: right;
  line-height: 1.7;
}