/* ═══════════════════════════════════════════════════════════════
   Conquest Design Language v1
   Inspired by: br.archisymphony.com/www/conquest/v3
   ═══════════════════════════════════════════════════════════════ */

:root,
:root[data-theme="dark"] {
  --c-bg-0: #0a0a0a;
  --c-bg-1: #0c0c12;
  --c-bg-2: #111118;
  --c-bg-3: #1a1a1a;
  --c-line-1: #222;
  --c-line-2: #333;
  --c-line-3: #444;
  --c-text: #e0e0e0;
  --c-text-dim: #999;
  --c-text-faint: #666;
  --c-text-deep: #444;

  /* Accents (theme-stable) */
  --c-purple: #ab47bc;
  --c-purple-deep: #7b1fa2;
  --c-cyan: #4fc3f7;
  --c-blue: #42a5f5;
  --c-orange: #ffa726;
  --c-red: #d32027;
  --c-green: #2fb344;

  --mono: 'SF Mono', 'Menlo', ui-monospace, monospace;

  --hero-bg-1: rgba(171, 71, 188, .08);
  --hero-bg-2: rgba(255, 167, 38, .04);
  --shadow: 0 4px 16px rgba(0, 0, 0, .35);
}

:root[data-theme="light"] {
  --c-bg-0: #f7f7f5;
  --c-bg-1: #ffffff;
  --c-bg-2: #f0eef0;
  --c-bg-3: #e6e3e6;
  --c-line-1: #e0dde2;
  --c-line-2: #c8c4ca;
  --c-line-3: #a8a2ae;
  --c-text: #1a1820;
  --c-text-dim: #5e5868;
  --c-text-faint: #8a8398;
  --c-text-deep: #b6b0c0;

  /* Slightly deeper accents for contrast on light */
  --c-purple: #7b1fa2;
  --c-purple-deep: #4a148c;
  --c-cyan: #0288d1;
  --c-blue: #1565c0;
  --c-orange: #e65100;
  --c-red: #c62828;
  --c-green: #2e7d32;

  --hero-bg-1: rgba(123, 31, 162, .07);
  --hero-bg-2: rgba(230, 81, 0, .04);
  --shadow: 0 6px 18px rgba(20, 10, 35, .07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { background: var(--c-bg-0); color: var(--c-text); font-family: 'Inter', 'Noto Sans JP', 'Segoe UI', system-ui, sans-serif; min-height: 100vh; }

/* ─── Brand Bar (36px top) ─── */
.brand-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 36px;
  background: linear-gradient(90deg, var(--c-bg-0) 0%, var(--c-bg-2) 30%, var(--c-bg-3) 60%, var(--c-bg-2) 85%, var(--c-bg-0) 100%);
  border-bottom: 1px solid rgba(171, 71, 188, .3);
  z-index: 100;
  display: flex; align-items: center; padding: 0 16px; justify-content: space-between;
  font-size: 11px;
}
:root[data-theme="dark"] .brand-bar {
  background: linear-gradient(90deg, #0a0a0a 0%, #1a0a2a 30%, #2a1040 60%, #1a0a2a 85%, #0a0a0a 100%);
}
:root[data-theme="light"] .brand-bar {
  background: linear-gradient(90deg, #ffffff 0%, #f3eef7 30%, #ebdcf3 60%, #f3eef7 85%, #ffffff 100%);
  border-bottom: 1px solid rgba(123, 31, 162, .25);
}
.brand-left { display: flex; align-items: center; gap: 10px; }
.brand-logo { color: var(--c-purple); font-weight: 700; font-size: 12px; letter-spacing: .25em; }
.brand-logo .accent { color: #fff; }
.brand-sep { color: var(--c-line-3); font-size: 10px; margin: 0 6px; }
.brand-mode { color: var(--c-orange); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.brand-ver { color: var(--c-text-deep); font-size: 9px; margin-left: 4px; }
.brand-center { display: flex; gap: 22px; }
.brand-dim { color: var(--c-text-faint); font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.brand-right { display: flex; align-items: center; gap: 14px; font-size: 10px; color: var(--c-text-dim); }

.brand-nav {
  display: flex; gap: 4px;
}
.brand-nav a {
  color: var(--c-text-dim); text-decoration: none; padding: 4px 10px; border-radius: 4px;
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600; transition: all .15s;
}
.brand-nav a:hover { color: #fff; background: rgba(171, 71, 188, .12); }
.brand-nav a.primary { color: var(--c-orange); border: 1px solid rgba(255, 167, 38, .35); }
.brand-nav a.primary:hover { background: rgba(255, 167, 38, .12); color: #fff; }

/* ─── Page shell (after brand bar) ─── */
.shell { padding-top: 36px; min-height: 100vh; }

/* ─── Hero / loading ─── */
.hero-shell {
  min-height: calc(100vh - 36px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 32px 16px;
  background:
    radial-gradient(ellipse at top, var(--hero-bg-1) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, var(--hero-bg-2) 0%, transparent 50%);
}
.hero-studio {
  font-size: 11px; letter-spacing: .65em; color: var(--c-text-dim);
  text-transform: uppercase; margin-bottom: 16px;
}
.hero-line {
  width: 80px; height: 1px; margin-bottom: 24px;
  background: linear-gradient(90deg, transparent, var(--c-purple), transparent);
}
.hero-title {
  font-size: 64px; font-weight: 100; letter-spacing: .12em; line-height: 1;
  color: var(--c-text); margin: 0;
}
:root[data-theme="dark"] .hero-title { color: #fff; }
:root[data-theme="light"] .hero-title { color: #1a1820; font-weight: 200; }
.hero-subtitle {
  font-size: 16px; color: var(--c-orange); margin-top: 14px;
  font-weight: 300; letter-spacing: .25em;
}
.hero-dims {
  display: flex; gap: 20px; margin-top: 20px; font-size: 10px;
  color: var(--c-text-dim); letter-spacing: .25em;
}
.hero-dims .sep { color: var(--c-text-deep); }

@keyframes fadeUp { 0% {opacity: 0; transform: translateY(20px);} 100% {opacity: 1; transform: none;} }
.fade-1 { animation: fadeUp .8s ease-out .2s both; }
.fade-2 { animation: fadeUp .8s ease-out .6s both; }
.fade-3 { animation: fadeUp .8s ease-out 1.0s both; }
.fade-4 { animation: fadeUp .8s ease-out 1.4s both; }
.fade-5 { animation: fadeUp .8s ease-out 1.8s both; }

/* ─── Stats ribbon ─── */
.stats-ribbon {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px; max-width: 1200px; width: 100%; margin: 40px auto 0;
  background: var(--c-line-1);
}
.stat-cell {
  background: var(--c-bg-1); padding: 18px 22px;
  border: 1px solid var(--c-line-1);
  position: relative;
  transition: background .2s;
}
.stat-cell:hover { background: var(--c-bg-2); }
.stat-cell::before {
  content: ""; position: absolute; top: 0; left: 0; height: 2px; width: 22px;
  background: linear-gradient(90deg, var(--c-purple), transparent);
}
.stat-num { font-size: 28px; font-weight: 600; color: var(--c-cyan); font-family: var(--mono); line-height: 1.1; }
.stat-lbl {
  font-size: 9.5px; letter-spacing: .25em; color: var(--c-text-dim);
  text-transform: uppercase; margin-top: 6px; font-weight: 600;
}
.stat-cell.purple .stat-num { color: var(--c-purple); }
.stat-cell.orange .stat-num { color: var(--c-orange); }
.stat-cell.green  .stat-num { color: var(--c-green); }

/* ─── Card grid ─── */
.cards-section {
  max-width: 1200px; margin: 56px auto 32px; padding: 0 16px;
}
.cards-section-title {
  font-size: 11px; letter-spacing: .35em; color: var(--c-purple);
  text-transform: uppercase; font-weight: 700; padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line-2); margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.cards-section-title::after {
  content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--c-line-3));
}
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px; background: var(--c-line-1);
}
.tile {
  display: block; text-decoration: none; color: inherit;
  background: var(--c-bg-1); padding: 22px;
  border: 1px solid transparent;
  transition: all .2s ease;
  position: relative; overflow: hidden;
}
.tile::after {
  content: "→"; position: absolute; top: 22px; right: 22px;
  color: var(--c-text-faint); font-size: 14px; transition: all .2s;
}
.tile:hover {
  background: var(--c-bg-2); border-color: rgba(171, 71, 188, .35);
}
.tile:hover::after { color: var(--c-purple); transform: translateX(3px); }
.tile-cat {
  font-size: 9.5px; letter-spacing: .3em; color: var(--c-purple);
  text-transform: uppercase; font-weight: 700; margin-bottom: 10px;
}
.tile-cat.cyan { color: var(--c-cyan); }
.tile-cat.orange { color: var(--c-orange); }
.tile-cat.green { color: var(--c-green); }
.tile-title { font-size: 17px; color: #fff; font-weight: 700; line-height: 1.3; margin-bottom: 8px; letter-spacing: -.005em; }
.tile-text { font-size: 13px; color: var(--c-text-dim); line-height: 1.7; }

/* ─── Kicker (CEO directive) ─── */
.kicker {
  max-width: 1200px; margin: 32px auto; padding: 22px 26px;
  background: linear-gradient(135deg, rgba(171,71,188,.08) 0%, rgba(255,167,38,.04) 100%);
  border-left: 2px solid var(--c-purple);
  font-size: 14px; line-height: 1.8; color: var(--c-text);
}
.kicker-tag {
  font-size: 10px; letter-spacing: .35em; color: var(--c-orange);
  text-transform: uppercase; font-weight: 700; margin-bottom: 8px;
}

/* ─── Footer ─── */
.foot {
  border-top: 1px solid var(--c-line-1); padding: 18px 24px; margin-top: 48px;
  display: flex; justify-content: space-between; font-size: 10.5px;
  color: var(--c-text-deep); letter-spacing: .15em;
}

/* ─── Button system ─── */
.btn-c {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 4px; font-size: 11.5px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase; text-decoration: none;
  transition: all .15s; cursor: pointer; border: 1px solid transparent;
}
.btn-c.primary {
  background: var(--c-purple); color: #fff;
  box-shadow: 0 4px 16px rgba(171,71,188,.3);
}
.btn-c.primary:hover { background: var(--c-purple-deep); transform: translateY(-1px); }
.btn-c.ghost { background: transparent; color: var(--c-text); border-color: var(--c-line-3); }
.btn-c.ghost:hover { border-color: var(--c-purple); color: var(--c-purple); }

/* ─── Dark Tabler overrides ─── */
.card { background: var(--c-bg-1) !important; border-color: var(--c-line-2) !important; }
.card-body { color: var(--c-text); }
.text-secondary { color: var(--c-text-dim) !important; }

.markdown-body {
  background: transparent;
}
.markdown-body h1 { color: #fff; border-color: var(--c-line-2); }
.markdown-body h2 { color: var(--c-purple); border-color: var(--c-line-2); letter-spacing: -.005em; }
.markdown-body h3 { color: var(--c-cyan); }
.markdown-body h4 { color: var(--c-orange); }
.markdown-body strong { color: #fff; }
.markdown-body code { background: var(--c-bg-2); border-color: var(--c-line-2); color: var(--c-purple); }
.markdown-body pre { background: var(--c-bg-2); border-color: var(--c-line-2); }
.markdown-body table th { background: var(--c-bg-2); color: var(--c-cyan); border-color: var(--c-line-2); }
.markdown-body table td { border-color: var(--c-line-2); }
.markdown-body blockquote { background: var(--c-bg-1); border-left-color: var(--c-purple); color: var(--c-text-dim); }
.markdown-body a { color: var(--c-purple); }
.markdown-body a:hover { border-bottom-color: var(--c-purple); }