:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f8f9fa;
  --color-text: #333333;
  --color-heading: #2c3e50;
  --color-accent: #4a90d9;
  --color-accent-hover: #357abd;
  --color-border: #e5e7eb;
  --color-focus: #ffbf47;
  --color-stage: #ff4d8d;
  --color-stage-hover: #e63d7a;
  --max-content: 800px;
  --radius: 8px;
  --transition: 0.2s ease;
  --hero-aspect: 5 / 3;
  --hero-max-height: 500px;
  --nav-height: 56px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1d23;
    --color-surface: #23272f;
    --color-surface-alt: #2a2f38;
    --color-text: #e6e8eb;
    --color-heading: #f3f4f6;
    --color-border: #3a3f4a;
    --color-accent: #5ba3e6;
    --color-accent-hover: #7ab8ed;
    /* NOTE: --color-focus and --color-stage* intentionally inherit light values:
       yellow focus ring has >=3:1 contrast on both light and dark surfaces,
       and the stage-pink CTA is already tuned for both backgrounds. */
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-padding-top: 0;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4 {
  color: var(--color-heading);
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

p { margin: 0 0 1rem; }

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

a:hover { color: var(--color-accent-hover); text-decoration: underline; }

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

.skip-link {
  position: fixed;
  top: -40px;
  left: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-heading);
  color: #fff;
  z-index: 1000;
  transition: top var(--transition);
}
.skip-link:focus {
  top: 0.5rem;
  color: #fff;
  text-decoration: none;
}

.hero {
  position: relative;
  width: 100%;
  max-height: var(--hero-max-height);
  aspect-ratio: var(--hero-aspect);
  overflow: hidden;
  background: #000;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
  padding: 2rem 1.5rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.7));
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.85;
}

.hero-overlay h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin: 0 0 0.75rem;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.6);
}

.tagline {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  margin: 0 0 1.5rem;
  opacity: 0.95;
  max-width: 36ch;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  border: 2px solid transparent;
  transition: background var(--transition), transform var(--transition);
}
.cta-button:hover,
.cta-button:focus-visible {
  background: var(--color-accent-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.cta-secondary {
  background: transparent;
  border-color: #fff;
}
.cta-secondary:hover,
.cta-secondary:focus-visible {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-focus);
}

.page-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--nav-height);
}
.page-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0;
  padding: 0.5rem 1rem;
  max-width: var(--max-content);
  margin-inline: auto;
  justify-content: center;
}
.page-nav a {
  display: block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.9rem;
}
.page-nav a:hover,
.page-nav a:focus-visible {
  background: var(--color-surface-alt);
  text-decoration: none;
}

.intro-card {
  max-width: var(--max-content);
  margin: 0 auto 2rem;
  padding: 1.75rem 1.75rem 1.5rem;
  /* Fallback for browsers without color-mix() support */
  background: var(--color-surface);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-stage) 12%, var(--color-surface)),
    var(--color-surface));
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-stage);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

@media (prefers-color-scheme: dark) {
  .intro-card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
  }
}

.intro-heading {
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
  color: var(--color-heading);
  letter-spacing: -0.01em;
}

.intro-text {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 60ch;
}

.cta-themed {
  background: var(--color-stage);
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 2px solid transparent;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cta-themed:hover,
.cta-themed:focus-visible {
  background: var(--color-stage-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.cta-themed:focus-visible {
  outline: 3px solid #b8860b; /* darker yellow for >=3:1 contrast on pink bg */
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(184, 134, 11, 0.25);
}

.cta-themed-icon {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

main {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
}

section { margin-bottom: 2.5rem; }
section:last-child { margin-bottom: 0; }

section h2 {
  font-size: 1.6rem;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
}

section[id] {
  scroll-margin-top: calc(var(--nav-height) + 0.5rem);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.feature {
  background: var(--color-surface-alt);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
}
.feature h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
}
.feature p { margin: 0; font-size: 0.95rem; }

.location-list {
  margin: 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.location-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.location-row:last-child { border-bottom: none; }
.location-row dt {
  font-weight: 600;
  color: var(--color-heading);
}
.location-row dd { margin: 0; }
.location-row .slurl {
  word-break: keep-all;
  overflow-wrap: anywhere;
  display: inline-block;
  max-width: 100%;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.link-list li { padding: 0.4rem 0; }

footer {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--color-heading);
  color: #fff;
  margin-top: 2rem;
}
footer p { margin: 0; font-size: 0.9rem; }
footer a { color: #fff; }
footer a:hover { color: var(--color-focus); }

footer .footer-button-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}
footer .footer-button-row a {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 4px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
footer .footer-button-row a:hover {
  border-color: var(--color-focus);
  color: var(--color-focus);
}

@media (max-width: 600px) {
  .hero-overlay { padding: 1.5rem 1rem; }
  .page-nav ul { gap: 0; padding: 0.4rem 0.75rem; }
  .location-row { grid-template-columns: 1fr; gap: 0.15rem; padding: 0.6rem 0.85rem; }
  .location-row dt { font-size: 0.85rem; }
  main { padding: 1.25rem 1rem; }
  .intro-card { padding: 1.25rem 1.25rem 1.1rem; margin-bottom: 1.5rem; }
  .intro-heading { font-size: 1.3rem; }
  .cta-themed { padding: 0.65rem 1.1rem; font-size: 0.95rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .skip-link { transition: top 0.15s ease-out; }
}

.network-intro {
  margin: 0 0 1.25rem;
  color: var(--color-text);
}
.network-intro a { color: var(--color-accent); }

.glide-track {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-alt);
  padding: 0.75rem 0;
}

/* Fade edges using pseudo-elements (better support than mask-image) */
.glide-track::before,
.glide-track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 6rem;
  pointer-events: none;
  z-index: 1;
}
.glide-track::before {
  left: 0;
  background: linear-gradient(90deg, var(--color-surface-alt), transparent);
}
.glide-track::after {
  right: 0;
  background: linear-gradient(270deg, var(--color-surface-alt), transparent);
}

.glide-rail {
  display: flex;
  gap: 0.75rem;
  width: max-content;
  animation: glide 20s linear infinite;
  will-change: transform;
}

.glide-track:hover .glide-rail { animation-play-state: paused; }

.glide-card {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 220px;
  padding: 0.85rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition);
}
.glide-card:hover,
.glide-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  outline: none;
}
.glide-mark {
  font-size: 1.4rem;
  line-height: 1;
}
.glide-name {
  font-weight: 600;
  color: var(--color-heading);
}
.glide-desc {
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.85;
}

.glide-card-neohiro { border-left: 4px solid #4ade80; }
.glide-card-fpm     { border-left: 4px solid #38bdf8; }
.glide-card-trans   { border-left: 4px solid #a78bfa; }
.glide-card-links   { border-left: 4px solid #fbbf24; }

@keyframes glide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: no-preference) {
  .glide-rail { will-change: transform; }
}

@media (prefers-reduced-motion: reduce) {
  .glide-track {
    -webkit-mask-image: none;
            mask-image: none;
    overflow-x: auto;
  }
  .glide-rail {
    animation: none;
    flex-wrap: wrap;
    width: auto;
  }
}
/* Shared auth bar — folding left drawer */
:root {
  --auth-bar-z: 1000;
  --auth-bar-radius: 10px;
  --auth-bar-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --auth-bar-fg: var(--fg, #e6edf3);
  --auth-bar-bg: var(--bg-card, #161b22);
  --auth-bar-border: var(--border, #30363d);
  --auth-bar-muted: var(--fg-subtle, #6e7681);
  --auth-bar-accent: var(--accent, #58a6ff);
  --auth-bar-red: var(--red, #f85149);
}

.auth-bar {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: var(--auth-bar-z);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  font-family: var(--font-ui, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
}

.auth-bar__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.auth-bar__tabs {
  display: flex;
  gap: 4px;
  background: var(--auth-bar-bg);
  border: 1px solid var(--auth-bar-border);
  border-radius: var(--auth-bar-radius);
  padding: 4px;
  box-shadow: var(--auth-bar-shadow);
  backdrop-filter: blur(8px);
}

.auth-bar__tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--auth-bar-fg);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.auth-bar__tab:hover {
  background: rgba(255, 255, 255, 0.06);
}

.auth-bar__tab.active {
  background: var(--auth-bar-accent);
  color: #fff;
}

.auth-bar__tab--contact.active { background: var(--auth-bar-accent); }
.auth-bar__tab--login.active { background: #238636; }
.auth-bar__tab--user {
  padding: 4px 8px 4px 4px;
}

.auth-bar__role-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--auth-bar-muted);
  margin-left: 4px;
}

.auth-bar__role-badge--godadmin {
  background: var(--auth-bar-red);
  color: #fff;
}

.auth-bar__panels {
  position: relative;
}

.auth-bar__panel {
  width: min(360px, calc(100vw - 32px));
  background: var(--auth-bar-bg);
  border: 1px solid var(--auth-bar-border);
  border-radius: var(--auth-bar-radius);
  padding: 16px;
  box-shadow: var(--auth-bar-shadow);
  backdrop-filter: blur(8px);
  animation: auth-bar-slide 0.2s ease-out;
}

@keyframes auth-bar-slide {
  from {
    opacity: 0;
    transform: translateX(8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.auth-bar__panel p {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--auth-bar-fg);
  line-height: 1.5;
}

.auth-bar__contact-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-bar__contact-form textarea {
  width: 100%;
  min-height: 80px;
  max-height: 200px;
  background: var(--bg, #0d1117);
  border: 1px solid var(--auth-bar-border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--auth-bar-fg);
  font-family: inherit;
  font-size: 0.85rem;
  resize: vertical;
}

.auth-bar__contact-form textarea:focus {
  outline: none;
  border-color: var(--auth-bar-accent);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.auth-bar__contact-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.auth-bar__char-count {
  font-size: 0.75rem;
  color: var(--auth-bar-muted);
}

.auth-bar__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--auth-bar-accent);
  border: 1px solid var(--auth-bar-accent);
  border-radius: 6px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  font-family: inherit;
}

.auth-bar__btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.auth-bar__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.auth-bar__btn--github {
  background: #238636;
  border-color: #238636;
  width: 100%;
  justify-content: center;
  padding: 8px 14px;
}

.auth-bar__btn--primary {
  background: var(--auth-bar-accent);
}

.auth-bar__btn--ghost {
  background: transparent;
  color: var(--auth-bar-fg);
  border-color: var(--auth-bar-border);
}

.auth-bar__btn--ghost:hover {
  border-color: var(--auth-bar-accent);
  color: var(--auth-bar-accent);
  background: transparent;
  filter: none;
}

.auth-bar__login-note {
  font-size: 0.75rem;
  color: var(--auth-bar-muted);
  margin-top: 8px;
  margin-bottom: 0;
}

.auth-bar__dashboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-bar__dashboard .auth-bar__btn {
  justify-content: center;
  width: 100%;
}

.auth-bar__user-menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-bar__user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-bar__user-info > div {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
}

.auth-bar__user-login {
  color: var(--auth-bar-muted);
  font-size: 0.75rem;
}

.auth-bar__user-actions {
  display: flex;
  gap: 6px;
}

.auth-bar__user-actions .auth-bar__btn {
  flex: 1;
  justify-content: center;
  font-size: 0.8rem;
  padding: 6px 10px;
}

.auth-bar__contact-success,
.auth-bar__contact-error {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  padding: 8px 10px;
  border-radius: 6px;
}

.auth-bar__contact-success {
  color: #3fb950;
  background: rgba(63, 185, 80, 0.1);
}

.auth-bar__contact-error {
  color: var(--auth-bar-red);
  background: rgba(248, 81, 73, 0.1);
}

.auth-bar__overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--auth-bar-z) - 1);
  background: transparent;
}

.auth-bar__overlay[hidden] {
  display: none;
}

@media (max-width: 480px) {
  .auth-bar {
    top: 8px;
    right: 8px;
    left: 8px;
    align-items: stretch;
  }
  .auth-bar__inner { align-items: stretch; }
  .auth-bar__tabs {
    justify-content: center;
  }
  .auth-bar__panel {
    width: 100%;
  }
  .auth-bar__tab span {
    display: none;
  }
  .auth-bar__tab {
    padding: 8px 10px;
  }
}

/* svg-embed cross-repo truth */
.svg-embed {
  margin: 1rem 0;
  text-align: center;
}
.svg-embed img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border, #30363d);
  border-radius: 6px;
  display: block;
  margin: 0 auto;
}
.svg-embed figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted, #6e7681);
}