:root {
  --bg: #0f0c06;
  --panel: #181208;
  --border: rgba(140,100,40,.25);
  --text: #e8dfc8;
  --muted: #9a8a6a;
  --accent: #c8924a;
  --accent-dark: #8b6030;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15,12,6,0.90);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: color .15s;
}
.back-link:hover { color: var(--text); }

nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: color .15s;
}
nav a:hover { color: var(--text); }

/* ── Hero ── */

.hero {
  padding: 90px 28px 70px;
  background:
    radial-gradient(800px 350px at 50% -5%, rgba(120,80,20,.22), transparent 60%),
    radial-gradient(500px 300px at 80% 80%, rgba(80,50,10,.15), transparent 60%);
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.system-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(140,90,30,.2);
  border: 1px solid rgba(140,90,30,.4);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 22px;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: .4px;
  color: #f0e8d0;
}

.hero-sub {
  margin: 0;
  color: var(--muted);
  font-size: clamp(14px, 2vw, 17px);
  line-height: 1.65;
}

/* ── Content ── */

.content {
  padding: 20px 28px 80px;
}

.content-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.placeholder-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 60px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.placeholder-icon {
  font-size: 40px;
  opacity: .4;
  line-height: 1;
}

.placeholder-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.placeholder-sub {
  color: var(--muted);
  font-size: 14px;
  max-width: 360px;
  line-height: 1.55;
}

.cta-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 22px;
  background: rgba(140,90,30,.2);
  border: 1px solid rgba(140,90,30,.45);
  border-radius: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: filter .15s;
}
.cta-btn:hover { filter: brightness(1.15); }

/* ── Footer ── */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 16px 28px;
  font-size: 12px;
  color: rgba(232,223,200,.3);
  max-width: 1100px;
  margin: 0 auto;
}