/* Orbune: astronomy utilities. Classic almanac styling: ivory paper, ink
   serifs, brass accents, hairline rules, engraved line work. */

:root {
  --sky-deep: #faf8f1;
  --sky-panel: #f4f1e6;
  --sky-raised: #ede9da;
  --sky-line: #d9d3c0;
  --sky-line-strong: #b3ab90;
  --starlight: #1c2340;
  --ink: #363b52;
  --muted: #75725f;
  --moon: #8a6d2f;
  --moon-strong: #6e5624;
  --accent: #274069;
  --accent-strong: #1c2340;
  --font-display: Georgia, "Iowan Old Style", "Times New Roman", "Liberation Serif", serif;
  --font-sans: Georgia, "Iowan Old Style", "Times New Roman", "Liberation Serif", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--sky-deep);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.02rem;
  line-height: 1.7;
}

/* Sparse ink-dot star sprinkle, printed rather than glowing. */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #b3ab90;
  box-shadow:
    11vw 14vh 0 0 #c5bfa8,
    27vw 78vh 0 0 #cfc9b4,
    41vw 32vh 0 0 #c5bfa8,
    58vw 88vh 0 0 #cfc9b4,
    69vw 12vh 0 0 #bdb69d,
    83vw 56vh 0 0 #c5bfa8,
    93vw 26vh 0 0 #cfc9b4,
    18vw 52vh 0 0 #d4cfbb,
    49vw 8vh 0 0 #cfc9b4,
    76vw 82vh 0 0 #d4cfbb;
  opacity: 0.55;
  z-index: -1;
  pointer-events: none;
}

.shell {
  width: min(100% - 2.5rem, 1080px);
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--starlight);
  line-height: 1.18;
  letter-spacing: 0.005em;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

:focus-visible {
  outline: 2px solid var(--moon);
  outline-offset: 2px;
}

::placeholder {
  color: var(--muted);
  opacity: 1;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--starlight);
  color: #f7f4ea;
  padding: 0.6rem 1rem;
  z-index: 20;
}

.skip-link:focus {
  left: 0;
}

/* Header: a printed masthead with a double rule beneath. */

.site-header {
  background: var(--sky-deep);
  border-bottom: 3px double var(--sky-line-strong);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-logo {
  display: block;
  flex: none;
  height: 38px;
  width: auto;
}

.footer-brand .brand-logo {
  height: 30px;
}

.primary-nav {
  display: flex;
  gap: 1.6rem;
}

.primary-nav a {
  color: var(--starlight);
  text-decoration: none;
  font-size: 0.82rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.22em;
  padding: 0.5rem 0.1rem;
  border-bottom: 1px solid transparent;
}

.primary-nav a:hover {
  color: var(--moon-strong);
  border-bottom-color: var(--moon);
}

/* Homepage intro: centered frontispiece over a hairline rule. */

.home-intro {
  border-bottom: 1px solid var(--sky-line);
  padding: 3rem 0 2.8rem;
}

.home-intro-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.home-intro-copy {
  flex: 1 1 30rem;
  min-width: 0;
}

.home-hero-scene {
  flex: none;
  width: clamp(14rem, 30vw, 21rem);
}

.home-hero-scene svg {
  display: block;
  width: 100%;
  height: auto;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.3em;
  color: var(--moon-strong);
  margin: 0 0 0.9rem;
}

.eyebrow::before,
.eyebrow::after {
  content: "\2726";
  color: var(--moon);
  letter-spacing: 0;
  margin: 0 0.55em;
  font-size: 0.72em;
  vertical-align: 0.08em;
}

.home-intro h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  margin: 0 0 0.9rem;
  max-width: 18ch;
}

.home-summary {
  color: var(--muted);
  font-size: 1.08rem;
  font-style: italic;
  max-width: 54ch;
  margin: 0 0 1.9rem;
}

/* Search: a ruled ledger field. */

.tool-search label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.tool-search-row {
  display: flex;
  gap: 0.6rem;
  max-width: 32rem;
}

.tool-search input[type="search"] {
  flex: 1;
  min-height: 2.85rem;
  padding: 0.45rem 0.85rem;
  font: inherit;
  color: var(--starlight);
  background: #fffdf7;
  border: 1px solid var(--sky-line-strong);
  border-radius: 2px;
}

.tool-search input[type="search"]:focus {
  border-color: var(--moon);
  outline: none;
  box-shadow: inset 0 -2px 0 var(--moon);
}

.tool-search-clear {
  min-height: 2.85rem;
  padding: 0.45rem 1rem;
  font: inherit;
  font-size: 0.92rem;
  color: var(--starlight);
  background: transparent;
  border: 1px solid var(--sky-line-strong);
  border-radius: 2px;
  cursor: pointer;
}

.tool-search-clear:hover {
  border-color: var(--moon-strong);
  color: var(--moon-strong);
}

/* Directory: an almanac index. */

.directory {
  padding: 2.4rem 0 3.4rem;
}

.directory-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--sky-line);
  padding-bottom: 0.6rem;
  margin-bottom: 1.5rem;
}

.directory-heading h2 {
  font-size: 1.65rem;
  margin: 0;
}

.tool-search-status {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0;
}

.tool-group {
  margin-bottom: 2.1rem;
}

.tool-group-heading h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.26em;
  color: var(--moon-strong);
  margin: 0 0 0.9rem;
}

.tool-group-heading h3::before {
  content: "\2726";
  color: var(--moon);
  margin-right: 0.6rem;
  font-size: 0.8em;
}

.tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.tool-list a {
  display: block;
  padding: 1.05rem 1.2rem;
  background: #fffdf7;
  border: 1px solid var(--sky-line);
  border-radius: 2px;
  box-shadow: inset 0 0 0 3px var(--sky-deep), inset 0 0 0 4px var(--sky-line);
  text-decoration: none;
  color: var(--ink);
}

.tool-list a:hover {
  border-color: var(--sky-line-strong);
  box-shadow: inset 0 0 0 3px var(--sky-deep), inset 0 0 0 4px var(--sky-line-strong);
}

.tool-list strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.16rem;
  color: var(--starlight);
  margin-bottom: 0.3rem;
}

.tool-description {
  display: block;
  font-size: 0.94rem;
  color: var(--muted);
}

.tool-search-empty {
  padding: 1.5rem;
  border: 1px dashed var(--sky-line-strong);
  border-radius: 2px;
  color: var(--muted);
  font-style: italic;
}

.empty-directory {
  padding: 2rem;
  border: 1px solid var(--sky-line);
  border-radius: 2px;
  box-shadow: inset 0 0 0 3px var(--sky-deep), inset 0 0 0 4px var(--sky-line);
  background: #fffdf7;
}

.empty-directory strong {
  color: var(--starlight);
  font-family: var(--font-display);
}

/* Shared page scaffolding (tool, legal, contact pages) */

.page-header {
  padding: 2.8rem 0 1.4rem;
  border-bottom: 1px solid var(--sky-line);
  margin-bottom: 1.9rem;
}

.page-header h1 {
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  margin: 0 0 0.7rem;
  max-width: 24ch;
}

.page-summary {
  color: var(--muted);
  font-size: 1.05rem;
  font-style: italic;
  max-width: 60ch;
  margin: 0;
}

.legal-meta {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.legal-page,
.contact-page {
  width: min(100% - 2.5rem, 800px);
  margin-inline: auto;
  padding-bottom: 3.2rem;
}

.prose h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.6rem;
}

.prose h3 {
  font-size: 1.08rem;
  margin: 1.4rem 0 0.4rem;
  color: var(--moon-strong);
}

.prose p,
.prose li {
  color: var(--ink);
}

.prose ul {
  padding-left: 1.3rem;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.contact-card {
  background: #fffdf7;
  border: 1px solid var(--sky-line);
  border-radius: 2px;
  box-shadow: inset 0 0 0 3px var(--sky-deep), inset 0 0 0 4px var(--sky-line);
  padding: 1.3rem 1.4rem;
}

.contact-card h2 {
  font-size: 1.2rem;
  margin: 0 0 0.6rem;
}

.contact-card p {
  color: var(--muted);
  font-size: 0.96rem;
}

.button-link {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  min-height: 2.75rem;
  background: var(--starlight);
  color: #f7f4ea;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid var(--starlight);
  border-radius: 2px;
}

.button-link:hover {
  background: #2a3355;
  color: #f7f4ea;
}

/* Footer: a printed colophon. */

.site-footer {
  border-top: 3px double var(--sky-line-strong);
  background: var(--sky-panel);
  padding: 2.3rem 0 2.5rem;
  margin-top: 2rem;
}

.footer-main {
  display: grid;
  gap: 0.9rem;
  justify-items: center;
  text-align: center;
}

.footer-tagline {
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--starlight);
  text-decoration: none;
  font-size: 0.82rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.2em;
}

.footer-links a:hover {
  color: var(--moon-strong);
}

.footer-copyright {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* Responsive */

@media (max-width: 760px) {
  .tool-list {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .home-intro {
    padding-top: 2.3rem;
  }

  .home-intro-inner {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 1.6rem;
  }

  .home-intro h1,
  .home-summary {
    margin-inline: auto;
  }

  .tool-search-row {
    margin-inline: auto;
  }

  .home-hero-scene {
    width: clamp(11rem, 52vw, 15rem);
  }
}

@media (max-width: 560px) {
  .site-header-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .tool-search-row {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}