/* ============================================================
   THE HALLUCINATED LAB — DESIGN TOKENS & SHARED SHELL
   Mirrors DESIGN-LANGUAGE.txt. Every value here is the single
   source of truth; components must never hard-code a colour,
   radius, or easing curve.
   ============================================================ */

:root {
  /* Backgrounds */
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-card: #0f0f0f;
  --bg-glass: rgba(15, 15, 15, 0.7);

  /* Gold accent family */
  --gold-primary: #c9a84c;
  --gold-light: #e8d48b;
  --gold-dark: #8a7232;
  --gold-glow: rgba(201, 168, 76, 0.15);

  /* Text */
  --text-primary: #f0ece4;
  --text-secondary: #9a9590;
  /* Design language 2b: #5a5550 measures 2.60:1 and fails WCAG AA.
     #827b74 is the darkest value in the same warm-grey hue that
     clears AA at 4.60:1 on --bg-card. Adopted here deliberately. */
  --text-muted: #827b74;

  /* Borders & effects */
  --border-subtle: rgba(201, 168, 76, 0.1);
  --border-gold: rgba(201, 168, 76, 0.3);
  --gradient-gold: linear-gradient(135deg, #c9a84c, #e8d48b, #c9a84c);
  --gradient-dark: linear-gradient(180deg, #050505 0%, #0a0a0a 100%);
  --shadow-gold: 0 0 40px rgba(201, 168, 76, 0.08);

  /* Status — the only non-gold hues on the site */
  --status-warn: #f1c40f;
  --status-error: #e74c3c;
  --status-ok: #2ecc71;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Motion */
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Type */
  --font-heading: "Outfit", sans-serif;
  --font-body: "JetBrains Mono", "Courier New", monospace;
}

/* ---------- Reset ---------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h3 {
  font-weight: 600;
  color: var(--gold-light);
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--gold-primary);
  text-decoration: none;
}

code,
.mono {
  font-family: var(--font-body);
}

/* Inline code */
:not(pre) > code {
  background: rgba(201, 168, 76, 0.08);
  border-radius: 4px;
  color: var(--gold-light);
  padding: 2px 6px;
}

/* ---------- Accessibility ---------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: var(--gold-primary);
  padding: 0.75rem 1.25rem;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--gold-primary);
  outline-offset: 3px;
}

/* ---------- Scrollbar ---------- */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-dark);
  border-radius: 50px;
}

/* ---------- Layout ---------- */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 2rem;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-label {
  display: block;
  color: var(--gold-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin: 0.75rem 0 0;
}

.section-line {
  width: 60px;
  height: 2px;
  background: var(--gradient-gold);
  margin: 1.25rem 0;
}

.section-intro {
  max-width: 680px;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Navbar ---------- */

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(5, 5, 5, 0.95);
  border-bottom-color: var(--border-subtle);
}

.navbar.menu-open {
  backdrop-filter: none;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.nav-wordmark {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--gold-primary);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--gold-primary);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 24px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--gold-primary);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 2rem 2rem;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    padding: 0.7rem 0;
  }
}

/* ---------- Pills & badges ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--border-gold);
  border-radius: 50px;
  color: var(--gold-primary);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  padding: 0.5rem 1.1rem;
  transition: background var(--transition), transform var(--transition);
}

.pill:hover {
  background: var(--gold-glow);
  transform: translateY(-2px);
}

.badge {
  display: inline-block;
  background: rgba(201, 168, 76, 0.08);
  border: 1px solid var(--border-gold);
  border-radius: 50px;
  color: var(--gold-primary);
  font-size: 0.62rem;
  letter-spacing: 1px;
  padding: 0.15rem 0.65rem;
  text-transform: uppercase;
}

/* ---------- Breadcrumb & footer ---------- */

.page-breadcrumb {
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.page-breadcrumb a {
  color: var(--gold-primary);
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 2.5rem 2rem;
  text-align: center;
}

/* ---------- Motion ---------- */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.7s ease-out forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: none;
  }
}

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

  .fade-in {
    opacity: 1;
    transform: none;
  }
}