:root {
  --bg: #0b0e14;
  --bg-raised: #10141d;
  --border: #1e2836;
  --text: #e7ecf3;
  --text-dim: #97a2b4;
  --accent: #4dd8ff;
  --accent-2: #b57bff;
  --tag-bg: rgba(77, 216, 255, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--accent); }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 14, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
}

.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }

.brand-text { min-width: 0; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: #05141c;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
}

.brand-text h1 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.2px;
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.header-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-link {
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
}

.header-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.header-link-discord {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #05141c;
}

.header-link-discord:hover {
  color: #05141c;
  opacity: 0.9;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0 7px;
  background: var(--text);
  border-radius: 2px;
}

/* Layout */

.layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 20px 60px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.sidebar a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
}

.sidebar a:hover {
  background: var(--bg-raised);
  border-color: var(--border);
  color: var(--accent);
}

.sidebar-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.content {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-width: 0;
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  scroll-margin-top: 84px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--tag-bg);
  border: 1px solid rgba(77, 216, 255, 0.3);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.card p {
  color: var(--text-dim);
  margin: 0 0 10px;
}

.card ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 0.94rem;
}

.card li { margin-bottom: 6px; }
.card li strong { color: var(--text); }

.card figure {
  margin: 0;
}

.card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: zoom-in;
  background: #fff;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Lightbox */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(4, 6, 10, 0.92);
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

/* Responsive */

@media (max-width: 640px) {
  .header-link { padding: 7px 10px; font-size: 0.76rem; }
  .brand-text p { display: none; }
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }

  .layout {
    grid-template-columns: 1fr;
    padding-top: 18px;
  }

  .sidebar {
    position: static;
    display: none;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 4px;
  }

  .sidebar.open { display: flex; }

  .sidebar a { padding: 10px; }
}