/* ============================================================
   LB9KJ · VU3ESV — light theme (warm, content-focused)
   Inspired by traditional ham-station sites: cream background,
   warm amber accents, clean sans-serif type, list-based layout.
   ============================================================ */

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

:root {
  --bg:        #faf6ed;
  --surface:   #ffffff;
  --surface-2: #f3ecdb;
  --border:    #e3dac4;
  --border-2:  #c9bb98;

  --text:      #1f1d18;
  --text-mid:  #4a463d;
  --muted:     #807a6e;
  --dim:       #b3ab9c;

  --amber:     #c4711d;
  --amber-2:   #9a5414;
  --amber-soft:#fbeed7;
  --link:      #1d4ed8;
  --link-hov:  #1e40af;
  --green:     #4d8b3f;
  --rose:      #a4361a;

  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --max:   1080px;
  --pad-x: 2rem;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--link-hov); text-decoration: underline; }

::selection { background: rgba(196, 113, 29, 0.20); color: var(--text); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--amber); color: #fff;
  padding: 8px 12px; font-family: var(--mono); font-size: 12px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

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

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 246, 237, 0.92);
  backdrop-filter: blur(8px) saturate(150%);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 0.85rem var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-weight: 600; font-size: 13px;
  letter-spacing: 0.04em; color: var(--text);
}
.brand:hover { color: var(--text); text-decoration: none; }
.brand-mark {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(77, 139, 63, 0.5);
  animation: ring 1.8s ease-out infinite;
}
.brand-call { color: var(--amber); }
.brand-call.alt { color: var(--amber-2); }
.brand-sep { color: var(--dim); }

.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-nav a {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mid); padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--amber); border-bottom-color: var(--amber);
  text-decoration: none;
}

@keyframes ring {
  0%   { box-shadow: 0 0 0 0 rgba(77, 139, 63, 0.45); }
  70%  { box-shadow: 0 0 0 8px rgba(77, 139, 63, 0); }
  100% { box-shadow: 0 0 0 0 rgba(77, 139, 63, 0); }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem var(--pad-x) 3rem;
}

.hero-status {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.5rem;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(77, 139, 63, 0.5);
  animation: ring 1.8s ease-out infinite;
}

.hero-call {
  font-family: var(--sans);
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 0.85rem;
}
.hero-and { color: var(--amber); font-weight: 500; }

.hero-name {
  font-size: 17px; font-weight: 400;
  color: var(--text-mid);
  margin-bottom: 0.4rem;
}
.hero-name em { font-style: normal; font-weight: 600; color: var(--text); }
.hero-name em[data-edit] { color: var(--amber-2); border-bottom: 1px dashed rgba(154, 84, 20, 0.5); }

.hero-meta {
  font-family: var(--mono); font-size: 13px;
  color: var(--text-mid);
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.hero-meta .dim { color: var(--dim); }
.hero-meta [data-edit] { color: var(--amber-2); border-bottom: 1px dashed rgba(154, 84, 20, 0.5); }

.hero-lead {
  max-width: 60ch;
  font-size: 16px; line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 1.75rem;
}
.hero-lead strong { color: var(--text); font-weight: 600; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tag {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-mid);
}
.tag-amber {
  background: var(--amber-soft);
  border-color: rgba(196, 113, 29, 0.35);
  color: var(--amber-2);
}

/* ============================================================
   Sections
   ============================================================ */

main section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem var(--pad-x);
  border-top: 1px solid var(--border);
}
main section.hero { border-top: none; }
main section:first-of-type { border-top: none; }

.section-label {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.6rem;
  display: inline-flex; align-items: center; gap: 8px;
  padding-left: 12px;
  position: relative;
}
.section-label::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; border-radius: 1px;
  background: var(--amber); transform: translateY(-50%);
}

h2 {
  font-family: var(--sans);
  font-size: clamp(26px, 3.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.prose p {
  font-size: 15px; line-height: 1.75;
  color: var(--text-mid);
  margin-bottom: 1rem;
}
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--text); font-weight: 600; }

.prose-lead {
  font-size: 14px; line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 1.5rem;
  max-width: 60ch;
}
.prose-lead strong { color: var(--text); font-weight: 600; }

.grid-2 {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem;
}

/* ============================================================
   Datasheet
   ============================================================ */

.datasheet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 1rem;
}
.datasheet > div {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.datasheet > div:last-child { border-bottom: none; }
.datasheet dt {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}
.datasheet dd {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  color: var(--text); text-align: right;
}
.datasheet dd[data-edit] { color: var(--amber-2); border-bottom: 1px dashed rgba(154, 84, 20, 0.5); }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.chip {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  padding: 5px 11px; border-radius: 3px;
  background: var(--amber-soft);
  border: 1px solid rgba(196, 113, 29, 0.30);
  color: var(--amber-2);
  letter-spacing: 0.04em;
}
.chip:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: #fff;
  text-decoration: none;
}

/* ============================================================
   Station kits
   ============================================================ */

.kit { margin-bottom: 1.75rem; }
.kit:last-child { margin-bottom: 0; }
.kit-title {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--amber);
  padding-bottom: 6px; margin-bottom: 4px;
  border-bottom: 1px solid var(--border-2);
}
.kit-list { list-style: none; }
.kit-list li {
  padding: 8px 0;
  font-size: 14px; color: var(--text);
  border-bottom: 1px dashed var(--border);
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem;
}
.kit-list li:last-child { border-bottom: none; }
.kit-note {
  font-family: var(--mono); font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   Log links
   ============================================================ */

.link-stack { display: flex; flex-direction: column; gap: 0.5rem; }
.link-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono); font-size: 13px;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.link-row:hover {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: var(--text);
  text-decoration: none;
  transform: translateX(2px);
}
.arrow { color: var(--amber); font-family: var(--mono); }

/* ============================================================
   Projects
   ============================================================ */

.project-list {
  display: flex; flex-direction: column; gap: 0.85rem;
}
.project {
  position: relative;
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 0 6px 6px 0;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.project:hover {
  border-color: var(--border-2);
  border-left-color: var(--amber-2);
  background: var(--surface-2);
  transform: translateX(2px);
}

.project-head {
  display: flex; align-items: baseline; gap: 0.75rem;
  margin-bottom: 0.45rem;
}
.project-idx {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  color: var(--muted); letter-spacing: 0.1em;
}
.project-name {
  flex: 1;
  font-family: var(--sans); font-size: 16px; font-weight: 600;
  color: var(--text);
  letter-spacing: -0.005em;
}
.project-desc {
  font-size: 13.5px; line-height: 1.65;
  color: var(--text-mid);
  margin-bottom: 0.85rem;
}
.project-meta {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.75rem;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.project-tags span {
  font-family: var(--mono); font-size: 10.5px;
  padding: 2px 7px; border-radius: 3px;
  background: var(--surface-2);
  color: var(--text-mid);
  letter-spacing: 0.04em;
}

.repo-link {
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--amber);
  display: inline-flex; align-items: center; gap: 6px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.repo-link:hover { color: var(--amber-2); text-decoration: none; }
.repo-link .arrow { transition: transform 0.15s; }
.repo-link:hover .arrow { transform: translateX(3px); }

.status {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 3px;
  border: 1px solid;
}
.status-active { color: var(--green); border-color: rgba(77, 139, 63, 0.30); background: rgba(77, 139, 63, 0.07); }
.status-fork   { color: var(--amber); border-color: rgba(196, 113, 29, 0.30); background: var(--amber-soft); }
.status-notes  { color: var(--muted); border-color: var(--border-2); background: var(--surface-2); }

/* ============================================================
   Contact
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.65rem;
}
.contact {
  display: flex; flex-direction: column; gap: 4px;
  padding: 0.95rem 1.05rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.15s, background 0.15s;
}
.contact:hover {
  border-color: var(--amber);
  background: var(--amber-soft);
  text-decoration: none;
}
.contact-static:hover { border-color: var(--border); background: var(--surface); cursor: default; }
.contact-key {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
.contact-val {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  color: var(--text);
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  margin-top: 2rem;
  padding: 2.5rem var(--pad-x) 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-family: var(--mono); font-size: 12px;
  color: var(--text-mid);
  background: var(--surface-2);
}
.footer-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 1rem; margin-bottom: 0.5rem;
}
.footer-row.dim { color: var(--muted); margin-top: 0.4rem; }
.footer-row a { color: var(--text-mid); text-decoration: none; }
.footer-row a:hover { color: var(--amber); text-decoration: none; }
.footer-call { color: var(--amber); margin-right: 0.4rem; font-weight: 600; }
.footer-sep {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--dim);
  display: inline-block;
}
.footer-73 {
  margin-top: 1.25rem;
  font-size: 24px; font-weight: 700;
  font-family: var(--sans);
  color: var(--amber);
  letter-spacing: 0.05em;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 760px) {
  :root { --pad-x: 1.25rem; }
  .header-inner { padding: 0.7rem 1.25rem; }
  .site-nav { gap: 0.85rem; }
  .site-nav a { font-size: 10px; letter-spacing: 0.08em; }
  .hero { padding: 2.5rem var(--pad-x) 2rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  main section { padding: 2.5rem var(--pad-x); }
  .datasheet dd { font-size: 12.5px; }
  .project-meta { gap: 0.5rem; }
}

@media (max-width: 460px) {
  .site-nav a:nth-child(n+5) { display: none; }
  .hero-call { font-size: 38px; }
  .footer-row { gap: 0.55rem; font-size: 11px; }
}