@font-face {
  font-family: 'Martian Grotesk';
  font-display: swap;
  src: url('/static/fonts/MartianGrotesk-VF.woff2') format('woff2');
  font-weight: 100 1000;
  font-stretch: 75% 200%;
}

@font-face {
  font-family: 'Martian Mono';
  font-display: swap;
  src: url('/static/fonts/MartianGrotesk-VF.woff2') format('woff2');
  font-weight: 100 800;
  font-stretch: 75% 112.5%;
}

:root {
  --bg-canvas: #f5f5f0;
  --bg-card: #ffffff;
  --bg-panel: #ffc512;

  --ink-primary: #21201c;
  --ink-secondary: #595959;

  --accent-alert: #cc0055;
  --accent-success: #00a85a;

  --border-hard: 3px solid var(--ink-primary);
  --shadow-hard: 6px 6px 0 var(--ink-primary);

  --font-main: 'Martian Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-code: 'Martian Mono', 'Courier New', Consolas, monospace;
}

[data-theme="dark"] {
  --bg-canvas: #0a0a0a;
  --bg-card: #1a1a1a;
  --bg-panel: #ffaa00;

  --ink-primary: #ffffff;
  --ink-secondary: #b8b8b8;

  --accent-alert: #ff3385;
  --accent-success: #00ff88;
}

[data-theme="dark"] .btn-primary{ color: var(--bg-canvas); }
[data-theme="dark"] .logo-light{ display:none; }
[data-theme="dark"] .logo-dark{ display:block; }
[data-theme="dark"] .nav-desktop a:hover,
[data-theme="dark"] .nav-mobile a:hover{ color: var(--bg-canvas); }

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-main);
  background: var(--bg-canvas);
  color: var(--ink-primary);
  overflow-y: auto;
  line-height: 1.6;
}

/* Buttons */
.btn {
  padding: 1rem 2rem;
  border: var(--border-hard);
  text-decoration: none;
  display: inline-block;
  margin: 0.5rem;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.3s;
  box-shadow: var(--shadow-hard);
  font-family: var(--font-code);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink-primary);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-primary);
}

.btn-primary {
  background: var(--bg-panel);
  color: var(--ink-primary);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--ink-primary);
}

.btn-success {
  background: var(--accent-success);
  color: var(--ink-primary);
}

.btn-success:hover {
  background: var(--accent-success);
}

.btn-danger {
  background: var(--accent-alert);
  color: var(--ink-primary);
}

.btn-danger:hover {
  background: var(--accent-alert);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  background: var(--bg-canvas);
  border-bottom: var(--border-hard);
  font-family: var(--font-code);
}

.logo {
  position: relative;
  height: 50px;
  width: 220px;
  flex-shrink: 0;
  overflow: hidden;
}

.logo img {
  position: absolute;
  top: 0;
  left: 0;
  height: 50px;
  width: auto;
  transition: opacity .2s ease;
}

.logo-light {
  display: block;
}

.logo-dark {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
}

.nav-desktop {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-desktop a {
  color: var(--ink-primary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 4px;
  border: 2px solid transparent;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
}

.nav-desktop a:hover {
  background: var(--bg-panel);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink-primary);
  border-color: var(--ink-primary);
}

.nav-desktop a:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-primary);
}

/* Hamburger */
.mobile-toggle {
  display: none;
  background: none;
  border: var(--border-hard);
  flex-direction: column;
  gap: 4px;
  padding: 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.25s, box-shadow 0.25s;
}

.mobile-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink-primary);
}

.mobile-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-primary);
}

.mobile-toggle span {
  width: 24px;
  height: 3px;
  background: var(--ink-primary);
  border-radius: 2px;
  transition: all 0.25s ease-in-out;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-mobile {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-canvas);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  padding: 0;
  visibility: hidden;
  pointer-events: none;
  transition: max-height .25s ease, opacity .2s ease, padding .25s ease, visibility 0s linear .25s;
}

.nav-mobile a {
  display: block;
  color: var(--ink-primary);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  transition: background 0.2s;
}

.nav-mobile a:hover {
  background: var(--bg-panel);
}

.nav-mobile.is-open {
  max-height: 320px;
  opacity: 1;
  padding: 0.75rem;
  visibility: visible;
  pointer-events: auto;
  border-top: var(--border-hard);
  border-bottom: var(--border-hard);
  transition: max-height .25s ease, opacity .2s ease, padding .25s ease, visibility 0s;
}

/* Floating theme toggle */
.theme-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  background: var(--bg-canvas);
  border: var(--border-hard);
  color: var(--ink-primary);
  width: 56px;
  height: 56px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.5rem;
  box-shadow: var(--shadow-hard);
  transition: transform 0.25s, box-shadow 0.25s;
}

.theme-fab:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink-primary);
}

.theme-fab:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink-primary);
}

/* Footer — colophon */
.colophon {
  position: relative;
  background: var(--bg-canvas);
  color: var(--ink-primary);
  border-top: var(--border-hard);
}

.colophon-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 2.5rem clamp(1.5rem, 5vw, 2.5rem) 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 60rem) {
  .colophon-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 33.75rem) {
  .colophon-inner { grid-template-columns: 1fr; }
}

.colophon .wordmark {
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 3rem;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.colophon .wordmark em {
  font-style: normal;
  color: var(--accent-success);
}

.colophon .blurb,
.colophon .colophon-text {
  color: var(--ink-secondary);
  max-width: 40ch;
  font-size: 0.8rem;
  line-height: 1.6;
}

.colophon h4 {
  font-family: var(--font-code);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-secondary);
  margin: 0 0 0.85rem;
  font-weight: 600;
}

.colophon ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.85rem;
}

.colophon .footer-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--ink-primary);
  text-decoration: none;
  opacity: 0.85;
  transition: color 0.15s ease-out, opacity 0.15s ease-out;
}

.colophon .footer-link-label {
  transition: transform 0.15s ease-out, color 0.15s ease-out;
}

.colophon .footer-link-arrow {
  position: absolute;
  left: 0;
  top: 50%;
  translate: 0 -50%;
  opacity: 0;
  transform: translateX(-0.35rem);
  transition: opacity 0.15s ease-out, transform 0.15s ease-out, color 0.15s ease-out;
  color: var(--accent-success);
  pointer-events: none;
}

.colophon .footer-link:hover,
.colophon .footer-link:focus-visible {
  color: var(--accent-success);
  opacity: 1;
}

.colophon .footer-link:hover .footer-link-label,
.colophon .footer-link:focus-visible .footer-link-label {
  transform: translateX(0.9rem);
  color: var(--accent-success);
}

.colophon .footer-link:hover .footer-link-arrow,
.colophon .footer-link:focus-visible .footer-link-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent-success);
}

/* Footer bar — status + clock */
.footer-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.6rem clamp(1rem, 4vw, 2.5rem);
  font-family: var(--font-code);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-secondary);
  background: var(--bg-card);
  border-top: var(--border-hard);
  flex-wrap: wrap;
}

.footer-bar a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 0.15s ease-out, border-color 0.15s ease-out;
}

.footer-bar a:hover {
  color: var(--accent-success);
  border-bottom-color: currentColor;
}

.footer-bar .dot-sep { opacity: 0.5; margin: 0 0.1rem; }

.footer-bar-status {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0 0.85rem;
  border-right: 1px dashed color-mix(in srgb, var(--ink-secondary) 40%, transparent);
  white-space: nowrap;
}

.footer-bar-item:first-child { padding-left: 0; }
.footer-bar-item:last-child { border-right: none; }
.footer-bar-item.status-ok { color: var(--ink-primary); }
.footer-bar-item .status-dot { color: var(--accent-success); font-size: 0.7rem; line-height: 1; }

.footer-bar-right {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.footer-bar-right .clock-time { color: var(--ink-primary); font-weight: 600; }
.footer-bar-right .copyright { opacity: 0.8; }

@media (max-width: 56rem) {
  .footer-bar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 36rem) {
  .footer-bar-item { padding: 0 0.6rem; }
}

img[alt*="certificate"] { height: 24px; vertical-align: middle; }

/* Mobile Responsiveness */
@media (min-width: 769px) {
  .nav-mobile {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .navbar { padding: 1rem; }
  .nav-desktop { display: none !important; }
  .mobile-toggle { display: flex; }

  .logo { height: 40px; width: 180px; }
  .logo img { height: 40px; }

  .theme-fab { width: 52px; height: 52px; font-size: 1.3rem; }

  .colophon .wordmark { font-size: 2.5rem; }
  img[alt*="certificate"] { height: 18px; }
}