@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600&display=swap');

/* ENABLE SMOOTH SCROLL BEHAVIOUR */
html {
  scroll-behavior: smooth;
}


:root {
  color-scheme: dark; /* stops Chrome's forced contrast */
  --bg: #0a0a0a;
  --text: #e5e5e5;
  --muted: #999;
  --accent1: #4aeaff;
  --accent2: #00c9a9;
  --grid: #1a1a1a;
  --font: 'Rajdhani', sans-serif;

  /* Shared column widths */
  --col-label-width: 180px;
  --col-signal-width: 200px;

  /* Spacing scale */
  --spacer-xs: 0.5rem;
  --spacer-sm: 1rem;
  --spacer-md: 1.5rem;
  --spacer-lg: 2.5rem;
}

/* === GLOBAL BASE === */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  padding: 2rem 1rem 3rem;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.45;
}

/* === GLOBAL HEADER === */

.site-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-top: 2.5rem;
  animation: header-enter 1.2s ease-out both;
}

.site-header .logo {
  width: 340px;
  margin-bottom: 0.6rem;
  filter: brightness(1.1) contrast(1.05);
  opacity: 0;
  transform: translateY(12px);
  animation: logo-rise 1s 0.2s ease-out forwards;
}

.site-header h1 {
  font-size: 1.3rem;
  color: var(--accent1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  opacity: 0;
  transform: translateY(6px);
  animation: text-fade 0.9s 0.5s ease-out forwards;
}

.site-header .subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(4px);
  animation: text-fade 0.9s 0.65s ease-out forwards;
}

.header-bar {
  width: 100px;
  height: 2px;
  background: linear-gradient(to right, var(--accent1), var(--accent2));
  margin: 0.5rem auto 0;
  border-radius: 2px;
  opacity: 0;
  animation: bar-glow 1.1s 0.8s ease-out forwards;
}

/* === Header Animations === */

@keyframes header-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes logo-rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes text-fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bar-glow {
  0% { opacity: 0; transform: scaleX(0); }
  60% { opacity: 1; transform: scaleX(1.05); }
  100% { opacity: 1; transform: scaleX(1); }
}

/* === PHOTOS === */
.photo {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;          /* adjust to your image’s shape */
  border: 1px solid var(--grid);
  border-radius: 4px;
  display: block;
  object-fit: cover;
  background: #0f0f0f;           /* stable placeholder */
  opacity: 0;
  transition: opacity 3s ease-out .25s; /* fade after page fade */
}

.photo.loaded {
  opacity: 1;
}

h1 {
  font-size: 1.3rem;
  color: var(--accent1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === SECTION HEADINGS === */
h2 {
  font-size: 1rem;
  color: var(--accent1);
  border-bottom: 1px solid var(--grid);
  padding-bottom: 0.3rem;
  margin-top: var(--spacer-lg);
  margin-bottom: var(--spacer-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  section {
  margin-top: var(--spacer-lg);
  margin-bottom: var(--spacer-lg);
}

}

section {
  margin-top: var(--spacer-lg);
  margin-bottom: var(--spacer-lg);
}

p {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: var(--spacer-sm);
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--grid);
  margin-top: var(--spacer-lg);
  padding-top: var(--spacer-lg);
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer .bar {
  width: 80px;
  height: 2px;
  background: linear-gradient(to right, var(--accent1), var(--accent2));
  margin: 0 auto var(--spacer-sm);
  border-radius: 2px;
}

.site-footer p {
  margin: 0.4rem 0;
}

.site-footer .back-link {
  display: inline-block;
  margin-top: 0rem;
  font-size: 0.9rem;
  color: var(--accent2);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}
.site-footer .back-link:hover {
  color: var(--accent1);
  text-decoration: underline;
}

/* === LINKS === */
a {
  color: var(--accent2);
  text-decoration: none;
}
a:hover {
  color: var(--accent1);
  text-decoration: underline;
}

/* === TABLES: SPECS & PINOUT === */
.specs-table .row {
  display: grid;
  grid-template-columns: var(--col-label-width) 1fr;
  align-items: center;
  border-bottom: 1px solid var(--grid);
  padding: 0.4rem 0.75rem;
}

.pinout-table .row {
  display: grid;
  grid-template-columns: var(--col-label-width) var(--col-signal-width) 1fr;
  align-items: center;
  border-bottom: 1px solid var(--grid);
  padding: 0.4rem 0.75rem;
}

.specs-table,
.pinout-table {
  width: 100%;
  border: 1px solid var(--grid);
  background: #0f0f0f;
  border-radius: 4px;
  margin-bottom: var(--spacer-md);
  border-spacing: 0;
}

.specs-table .row:last-child,
.pinout-table .row:last-child {
  border-bottom: none;
}

/* === Column Colour and Emphasis === */
.specs-table .label,
.pinout-table .pin {
  color: var(--accent1);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.pinout-table .signal {
  color: var(--text);
  font-weight: 500;
}

.specs-table .value,
.pinout-table .note {
  color: var(--muted);
  font-size: 0.9rem;
}

.specs-table .row:hover,
.pinout-table .row:hover {
  background: #101010;
}

.index-page .subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

/* === GLOBAL PAGE REVEAL === */

body {
  opacity: 0;
  animation: body-fade-in 0.8s ease-out forwards;
}

@keyframes body-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === Sequential Element Animation === */
main, section, .specs-table, .pinout-table, footer, .archive-list, ul {
  opacity: 0;
  transform: translateY(10px);
  animation: content-rise 0.8s ease-out forwards;
}

/* Delay content slightly depending on order — nice cascading reveal */
main      { animation-delay: 0.1s; }
section   { animation-delay: 0.2s; }
.specs-table, .pinout-table { animation-delay: 0.3s; }
ul, .archive-list           { animation-delay: 0.4s; }
footer                      { animation-delay: 0.6s; }

@keyframes content-rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === Disable animations after first view === */
.cw-noanim,
.cw-noanim * {
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

body.preload {
  opacity: 0;
  overflow: hidden;
  background: #000;
  transition: opacity 0.4s ease-out;
}

body.loaded {
  opacity: 1;
  overflow: auto;
}

/* Make logo and title clickable without looking like links */
.logo-link, .title-link {
  text-decoration: none;
  display: inline-block;
}

.logo-link:hover .logo {
  filter: brightness(1.25);
  transition: filter 0.2s ease;
}

.title-link h1 {
  color: var(--accent1);
  transition: color 0.2s ease;
}

.title-link:hover h1 {
  color: var(--accent2);
}

.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--grid);
  border-radius: 4px;
  background: #0f0f0f;
  overflow: hidden;
}

.archive-list li {
  display: grid;
  grid-template-columns: 65px 160px 1fr auto;
  align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--grid);
  column-gap: 0.75rem;
}

.archive-list li:last-child {
  border-bottom: none;
}

/* --- Badge column (refined proportions) --- */
.badge {
  justify-self: start;
  background: var(--accent1);
  color: #000 !important;
  isolation: isolate; /* prevents preview filters from inverting inside */
  font-weight: 700;
  font-size: 0.7rem;             /* smaller text */
  padding: 0.15rem 0.45rem;      /* less vertical space */
  border-radius: 2px;
  letter-spacing: 0.03em;
  text-align: center;
  white-space: nowrap;
  line-height: 1.1;
  transform: translateY(-1px);   /* optically align with text baseline */
}

/* Reduce column spacing */
.archive-list li {
  display: grid;
  grid-template-columns: 70px 160px 1fr auto;
  align-items: center;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--grid);
  column-gap: 0rem;              /* slightly narrower */
}

/* Badge variants */
.badge.rev   { background: var(--accent1); color: #000; }
.badge.dev   { background: #4aeaff; color: #000; }
.badge.proto { background: #ffb100; color: #000; }
.badge.disc  { background: #555; color: #ccc; }


.archive-list .name {
  font-weight: 600;
  color: var(--accent1);
  letter-spacing: 0.03em;
  white-space: nowrap;
  margin-left: -0.25rem;
}

.archive-list .desc {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.3;
}

.archive-list a {
  color: var(--accent2);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  justify-self: end;
}

.archive-list li:hover {
  background: #101010;
}

.service-list {
  list-style: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--grid);
  border-radius: 4px;
  background: #0f0f0f;
}
.service-list li::before {
  content: "▸ ";
  color: var(--accent1);
}

.id-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.qr-overlay {
  position: relative;
  display: inline-block;
  width: 64px;
  height: 64px;
}

.qr-svg {
  width: 100%;
  height: 100%;
  display: block;
  filter: invert(0); /* make black → white so blend can hit it */
}

/* Overlay gradient that tints dark areas only */
.qr-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #4aeaff, #00c9a9);
  mix-blend-mode: multiply; /* darken blend mode = affects dark bits */
  pointer-events: none;
  /* animation: qrPulse 6s ease-in-out infinite alternate; */
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--accent2); }
.breadcrumb a:hover { color: var(--accent1); }

.meta-box {
  border: 1px solid var(--grid);
  background: #0f0f0f;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.meta-box strong { color: var(--accent1); }


.notice {
  background:#201f1f; border-left:3px solid var(--accent1);
  padding:0.5rem 1rem; margin-bottom:1rem; font-size:0.9rem; color:#ccc;
}
.notice.warning { border-color:#ffb100; }
.notice.info { border-color:var(--accent2); color:var(--accent1); }


.sigline { text-align:center; color:#555; font-size:0.75rem; margin-top:2rem; letter-spacing:0.05em; }

.actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  margin: 1rem 0 2rem;
}

.actions-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* reuse your existing print-btn styles */
.print-btn {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--grid);
  background: linear-gradient(to bottom right, var(--accent1), var(--accent2));
  color: #000;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.25s ease;
}

.print-btn:hover {
  background: linear-gradient(to bottom right, var(--accent2), var(--accent1));
  transform: translateY(-1px);
  box-shadow: 0 0 8px rgba(74, 234, 255, 0.25);
}

.print-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Print behaviour — hide button when printing */
@media print {
  .print-btn {
    display: none !important;
  }
}

/*
html::after {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.015) 0px,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 2px,
    transparent 4px
  );
  animation: driftLines 10s linear infinite;
  pointer-events: none;
  z-index: 9998;
}

@keyframes driftLines {
  from { transform: translateY(0); }
  to   { transform: translateY(40px); }
}
*/

.local-toc {
  display: flex; gap: 1rem; font-size: 0.8rem;
  margin-bottom: 1rem; flex-wrap: wrap;
}
.local-toc a { color: var(--accent2); }
.local-toc a:hover { color: var(--accent1); }

h2 .anchor { opacity:0; margin-left:0.3rem; font-size:0.8em; text-decoration:none; }
h2:hover .anchor { opacity:1; }


.error-code {
  font-size: 4rem;
  font-weight: 600;
  color: var(--accent1);
  letter-spacing: 0.05em;
}

.error-text {
  font-size: 1rem;
  color: var(--muted);
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}


/* PRINT FORMATTING */

@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::after {
    content: "Printed on " attr(data-print-date);
    display:block;
    text-align:right;
    margin-top:2rem;
    font-size:0.7rem;
    color:#555;
  }

  header,
  footer,
  .qr-overlay::after {
    display: none !important;
  }

  h1, h2, h3 {
    color: #000 !important;
    border-color: #000 !important;
  }

  a {
    color: #000 !important;
    text-decoration: underline;
  }

  table,
  .specs-table,
  .pinout-table {
    border-color: #000 !important;
  }

  .specs-table .label,
  .pinout-table .pin,
  .meta-box strong {
    color: #000 !important;
  }

  .specs-table .value,
  .pinout-table .note,
  .meta-box,
  .service-list {
    color: #000 !important;
    border-color: #000 !important;
    background: #fff !important;
  }

  /* Service list links and bullets */
  .service-list a {
    color: #000 !important;
    text-decoration: underline;
  }

  .service-list li::before {
    color: #000 !important;
  }
}

/* =========================
   Calystron Works 3D Viewer
   ========================= */

/* --- Compact 3D viewer that fits main column --- */
.model-block {
  margin: var(--spacer-lg) 0;
}

.model-block model-viewer {
  width: 100%;
  height: 500px;              /* 👈 fixed height now */
  aspect-ratio: auto;         /* disable aspect constraint */
  display: block;
  border: 1px solid var(--grid);
  border-radius: 4px;
  background: #0f0f0f;
  box-shadow: inset 0 0 8px rgba(74, 234, 255, 0.05);
  transition: box-shadow 0.3s ease;
}


.model-block model-viewer:hover {
  border-color: var(--accent2);
  box-shadow:
    0 0 14px rgba(0, 201, 169, 0.35),       /* teal outer glow */
    inset 0 0 12px rgba(74, 234, 255, 0.25); /* cyan inner glow */
}

/* --- Custom tooltip for <model-viewer> --- */

.viewer-wrap {
  position: relative;
}

.viewer-wrap model-viewer {
  width: 100%;
  height: 500px;
  display: block;
  border: 1px solid var(--grid);
  border-radius: 4px;
  background: #0f0f0f;
  box-shadow: inset 0 0 8px rgba(74, 234, 255, 0.05);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.viewer-wrap model-viewer:hover {
  border-color: var(--accent1);
  box-shadow:
    0 0 14px rgba(0, 201, 169, 0.35),
    inset 0 0 12px rgba(74, 234, 255, 0.25);
}

/* Tooltip */
.viewer-tooltip {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(10, 10, 10, 0.85);
  border: 1px solid var(--grid);
  color: var(--muted);
  font-size: 0.75rem;
  font-family: var(--font);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Fade + glow animation on hover */
.viewer-wrap:hover .viewer-tooltip {
  opacity: 1;
  transform: translateY(0);
  animation: tooltipPulse 1s ease-out 1;
}

/* Accent pulse keyframes */
@keyframes tooltipPulse {
  0% {
    color: var(--accent1);
    text-shadow: 0 0 6px rgba(74, 234, 255, 0.6);
    border-color: var(--accent1);
  }
  100% {
    color: var(--muted);
    text-shadow: none;
    border-color: var(--grid);
  }
}

/* === Viewer Metadata Bar === */
.viewer-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--grid);
  border-radius: 4px;
  background: #0f0f0f;
  font-family: var(--font);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  transform: translateY(4px);
  animation: meta-rise 0.8s 0.4s ease-out forwards;
}

.viewer-meta .meta-item {
  color: var(--accent2);
  font-weight: 600;
}

.viewer-meta .meta-sep {
  color: var(--grid);
}

/* subtle entry animation */
@keyframes meta-rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Grid-style meta box --- */
.meta-box.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.35rem 1.25rem;
  border: 1px solid var(--grid);
  background: #0f0f0f;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.meta-pair {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding-bottom: 0.15rem;
}

.meta-label {
  color: var(--accent1);
  font-weight: 600;
  text-transform: uppercase;
}

.meta-value {
  color: var(--accent2);
  font-weight: 600;
  text-align: right;
}

/* stable orbit digits */
.orbit-value {
  display: inline-block;
  width: 4ch;
  text-align: right;
}

/* subtle fade-in on load */
.meta-box.meta-grid {
  opacity: 0;
  transform: translateY(4px);
  animation: metaRise 0.6s ease-out forwards 0.2s;
}
@keyframes metaRise {
  to { opacity: 1; transform: translateY(0); }
}