:root {
  --purple-950: #0a0614;
  --purple-900: #150b26;
  --purple-800: #1f1238;
  --purple-700: #2b1a4d;
  --purple-600: #3b2568;
  --gold-600: #a9823a;
  --gold-500: #c9a24b;
  --gold-400: #d8b766;
  --gold-300: #e7cf8e;
  --gold-200: #f0dfb0;
  --champagne: #eadfc0;
  --ivory: #faf6eb;
  --cream: #f4ebd7;
  --paper: #fbf7ee;
  --ink: #2a2118;

  --serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;

  --bg: var(--purple-900);
  --bg-soft: var(--purple-800);
  --bg-card: rgba(43, 26, 77, 0.55);
  --text: var(--ivory);
  --text-soft: rgba(250, 246, 235, 0.72);
  --text-faint: rgba(250, 246, 235, 0.5);
  --accent: var(--gold-400);
  --accent-strong: var(--gold-300);
  --border: rgba(231, 207, 142, 0.18);
  --ring: rgba(216, 183, 102, 0.6);

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.55);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body[data-theme="paper"] {
  --bg: var(--paper);
  --bg-soft: var(--cream);
  --bg-card: rgba(255, 255, 255, 0.7);
  --text: var(--ink);
  --text-soft: rgba(42, 33, 24, 0.72);
  --text-faint: rgba(42, 33, 24, 0.48);
  --accent: var(--gold-600);
  --accent-strong: var(--gold-500);
  --border: rgba(169, 130, 58, 0.28);
  --ring: rgba(169, 130, 58, 0.55);
}

body[data-theme="space"] {
  --bg: var(--purple-950);
  --bg-soft: var(--purple-900);
  --bg-card: rgba(20, 11, 38, 0.7);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold-400);
  color: var(--purple-950);
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  z-index: 200;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
  color: var(--purple-950);
}

.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;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.site-nav {
  position: relative;
  z-index: 50;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.brand:hover {
  color: var(--text);
}

.brand .brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  font-size: 0.95rem;
}

.brand .brand-mark span {
  font-family: var(--serif);
  color: var(--accent-strong);
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.nav-links a[aria-current="page"] {
  color: var(--accent-strong);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  text-align: center;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: #2a1d07;
  box-shadow: 0 10px 30px -12px rgba(201, 162, 75, 0.7);
}

.btn-primary:hover {
  color: #2a1d07;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(201, 162, 75, 0.8);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--bg-soft);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

.site-footer {
  padding: 2.5rem 0 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}

.site-footer .footer-mark {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem 1rem 1rem;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.4);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.2s var(--ease), opacity 0.2s var(--ease),
      visibility 0.2s;
  }

  body.nav-open .nav-links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    padding: 0.7rem 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}