/* Project Chaos Global — shared design system */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400..800&family=Archivo:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Space+Mono:wght@400;700&display=swap');

:root {
  --ink: #17151a;
  --paper: #f3f0e8;
  --paper-raised: #ece7db;
  --ent: #e8542e;
  --ent-soft: #e8542e1a;
  --cult: #2b6e63;
  --cult-soft: #2b6e631a;
  --mist: #6f695c;
  --mist-quiet: #8c8578;
  --line: rgba(23, 21, 26, 0.14);
  --line-strong: rgba(23, 21, 26, 0.28);

  --font-display: "Bricolage Grotesque", "Arial Black", sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;

  --measure: 65ch;
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f3f0e8;
    --paper: #141217;
    --paper-raised: #1c1a20;
    --ent: #ff6b42;
    --ent-soft: #ff6b4224;
    --cult: #45a094;
    --cult-soft: #45a09424;
    --mist: #b7b0a0;
    --mist-quiet: #948d7d;
    --line: rgba(243, 240, 232, 0.14);
    --line-strong: rgba(243, 240, 232, 0.28);
  }
}

:root[data-theme="dark"] {
  --ink: #f3f0e8;
  --paper: #141217;
  --paper-raised: #1c1a20;
  --ent: #ff6b42;
  --ent-soft: #ff6b4224;
  --cult: #45a094;
  --cult-soft: #45a09424;
  --mist: #b7b0a0;
  --mist-quiet: #948d7d;
  --line: rgba(243, 240, 232, 0.14);
  --line-strong: rgba(243, 240, 232, 0.28);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ent);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  margin: 0;
  text-wrap: balance;
}

p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---- site chrome ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding: var(--space-2) var(--space-3);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-group {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: color-mix(in srgb, var(--paper-raised) 92%, var(--paper));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0.5rem 0;
  box-shadow: 0 14px 34px -8px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
  z-index: 100;
}

.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(2px);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}

.dropdown-link:hover {
  background: color-mix(in srgb, var(--paper) 70%, transparent);
}

.dropdown-ent .dropdown-link:hover {
  color: var(--ent);
}

.dropdown-cult .dropdown-link:hover {
  color: var(--cult);
}

.dropdown-icon {
  width: 1rem;
  height: 1rem;
  opacity: 0.65;
  transition: opacity 0.15s ease;
}

.dropdown-link:hover .dropdown-icon {
  opacity: 1;
}

.dropdown-arrow {
  display: inline-block;
  font-size: 0.65rem;
  margin-left: 0.3rem;
  transition: transform 0.2s ease;
  vertical-align: middle;
}

.nav-group:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.site-nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mist);
  transition: color 0.2s ease;
  padding: 0.4rem 0.6rem;
  display: inline-flex;
  align-items: center;
}
.site-nav-link:hover, .site-nav-link[aria-current="page"] {
  color: var(--ink);
}
.site-nav-link.nav-ent:hover, .site-nav-link.nav-ent[aria-current="page"] {
  color: var(--ent);
}
.site-nav-link.nav-cult:hover, .site-nav-link.nav-cult[aria-current="page"] {
  color: var(--cult);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  padding: 0 var(--space-2);
}

@media (max-width: 640px) {
  .site-header {
    gap: var(--space-2);
    padding: var(--space-2) var(--space-1);
  }
  .site-nav-link {
    font-size: 0.72rem;
    padding: 0.2rem 0.3rem;
  }
  .wordmark {
    font-size: 0.95rem;
    padding: 0;
  }
}
.wordmark span { color: var(--ent); }
.wordmark small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.site-nav a { text-decoration: none; color: var(--mist); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-4) var(--space-3) var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  align-items: baseline;
  justify-content: space-between;
}
.site-footer .foot-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.site-footer .foot-links a { text-decoration: none; color: var(--mist); }
.site-footer .foot-links a:hover { color: var(--ink); }
.site-footer .foot-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mist-quiet);
}

main { min-height: 60vh; }

/* ---- reusable blocks ---- */

.doc {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-6);
}
.doc h2 {
  font-size: 1.15rem;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}
.doc h2:first-of-type { border-top: none; padding-top: 0; }
.doc p, .doc li { color: color-mix(in srgb, var(--ink) 86%, var(--mist)); }
.doc .updated {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
  margin-bottom: var(--space-4);
}

.catalog {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-6);
}
.catalog-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  transition: background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}
.catalog-item:hover {
  background: color-mix(in srgb, var(--paper-raised) 85%, transparent);
}
.catalog-item:last-child { border-bottom: 1px solid var(--line); }

.catalog-item .item-icon {
  flex-shrink: 0;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent, var(--ent)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, var(--ent)) 28%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent, var(--ent));
  transition: transform 0.2s ease, background 0.2s ease;
}
.catalog-item:hover .item-icon {
  transform: scale(1.08);
  background: color-mix(in srgb, var(--accent, var(--ent)) 22%, transparent);
}
.catalog-item .item-icon svg {
  width: 1.8rem;
  height: 1.8rem;
}

.catalog-item .item-content {
  flex: 1;
  min-width: 0;
  padding-right: var(--space-2);
}

.catalog-item h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}
.catalog-item p {
  margin: 0;
  max-width: 58ch;
  color: color-mix(in srgb, var(--ink) 84%, var(--mist));
  font-size: 0.95rem;
}

.catalog-item .enter-btn {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mist);
  transition: all 0.2s ease;
}
.catalog-item .enter-btn svg {
  width: 1.4rem;
  height: 1.4rem;
  transition: transform 0.2s ease;
}
.catalog-item:hover .enter-btn {
  color: #fff;
  background: var(--accent, var(--ent));
  border-color: var(--accent, var(--ent));
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent, var(--ent)) 35%, transparent);
}
.catalog-item:hover .enter-btn svg {
  transform: translateX(3px);
}

@media (max-width: 640px) {
  .catalog-item {
    padding: var(--space-3) var(--space-1);
    gap: var(--space-2);
  }
  .catalog-item .item-icon {
    width: 2.8rem;
    height: 2.8rem;
  }
  .catalog-item .item-icon svg {
    width: 1.4rem;
    height: 1.4rem;
  }
  .catalog-item .enter-btn {
    width: 2.4rem;
    height: 2.4rem;
  }
  .catalog-item .enter-btn svg {
    width: 1.1rem;
    height: 1.1rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.8em 1.3em;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { border-color: currentColor; transform: translateY(-1px); }
.btn-ent { color: var(--ent); }
.btn-cult { color: var(--cult); }

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-3);
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
}
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.8em 0.9em;
}
.field textarea { resize: vertical; min-height: 8rem; }