/* =========================================================================
   VE5NN — Regina Amateur Radio Association
   Retro Ham-Radio Nostalgia design system. System fonts only, no externals.
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Palette: aged-paper warm, navy ink, burgundy accents, brass highlights */
  --paper:        #f4ecd8;
  --paper-deep:   #ead9b8;
  --paper-shade:  #d8c69a;
  --ink:          #1c2541;
  --ink-soft:     #3a4060;
  --ink-faint:    #6c6a78;
  --burgundy:     #7a2e2e;
  --burgundy-dk:  #5a1f1f;
  --brass:        #c89b3c;
  --brass-dk:     #9c7522;
  --cream:        #fbf6e9;

  /* Transceiver readout: matte black + glowing amber */
  --panel-bg:     #0e0e0e;
  --panel-edge:   #2a2a2a;
  --readout:      #ffb000;
  --readout-dim:  #6a4500;

  /* Typography */
  --serif:        Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --display:      "Big Caslon", "Bookman Old Style", "Hoefler Text", Georgia, serif;
  --mono:         "SF Mono", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;

  /* Layout */
  --measure:      72ch;
  --rule:         1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  --rule-strong:  2px solid var(--ink);
  --shadow:       0 1px 0 var(--paper-shade), 0 6px 18px rgba(28, 37, 65, 0.12);
  --tape:         #d6c074;
}

/* ---------- Reset (modest) ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding-left: 1.25rem; }
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; }
a { color: var(--burgundy); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--burgundy-dk); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--brass-dk); outline-offset: 3px; border-radius: 2px; }

/* ---------- Page ---------- */
html { background: var(--paper); }
body {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  background:
    /* subtle paper grain via inline SVG noise */
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.13 0 0 0 0 0.10 0 0 0 0 0.04 0 0 0 0.10 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>"),
    radial-gradient(ellipse at top, var(--cream), var(--paper) 60%, var(--paper-deep) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  width: min(100% - 2rem, 1100px);
  margin: 2rem auto 4rem;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: 0.005em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: 2.5rem; }
h3 { font-size: 1.25rem; margin-top: 1.5rem; }
p  { margin: 0.75em 0; max-width: var(--measure); }
small, .meta { color: var(--ink-faint); font-size: 0.85rem; letter-spacing: 0.04em; }
code, kbd, .mono { font-family: var(--mono); font-size: 0.95em; }

/* "Stamped" section header — feels like rubber-stamp ink */
.stamp {
  display: inline-block;
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.18em;
  color: var(--burgundy);
  border: 2px solid var(--burgundy);
  padding: 0.15em 0.6em 0.05em;
  transform: rotate(-1.5deg);
  text-transform: lowercase;
  background: color-mix(in srgb, var(--burgundy) 6%, transparent);
}

/* "Postage paid" corner stamp */
.postmark {
  position: absolute;
  top: 0.8rem; right: 0.8rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--burgundy);
  border: 1.5px solid var(--burgundy);
  border-radius: 999px;
  padding: 0.4em 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transform: rotate(8deg);
  opacity: 0.75;
  pointer-events: none;
}

/* ---------- Site header ---------- */
.site-header {
  border-bottom: var(--rule-strong);
  background: linear-gradient(to bottom, var(--cream), transparent);
}
.site-header-inner {
  width: min(100% - 2rem, 1100px);
  margin: 0 auto;
  padding: 1.25rem 0 0.75rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
}
.brand { display: flex; align-items: center; gap: 1rem; text-decoration: none; color: inherit; }
.brand:hover { text-decoration: none; }
.brand img {
  width: 64px; height: 64px;
  border: 2px solid var(--ink);
  padding: 3px;
  background: var(--cream);
  box-shadow: 2px 2px 0 var(--brass);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-call {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.85rem;
  letter-spacing: 0.05em;
  color: var(--burgundy);
}
.brand-name {
  font-family: var(--display);
  font-size: 0.95rem;
  font-variant: small-caps;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  margin-top: 0.25rem;
}

/* ---------- Navigation ---------- */
.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--ink);
  padding: 0.4rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-transform: uppercase;
}
.nav-toggle:hover { background: var(--paper-deep); }
.primary-nav {
  grid-column: 1 / -1;
  border-top: 1px dashed var(--ink-soft);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
}
.primary-nav ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.1em;
}
.primary-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 120ms ease;
}
.primary-nav a:hover { border-bottom-color: var(--burgundy); color: var(--burgundy); }
.primary-nav a[aria-current="page"] {
  color: var(--burgundy);
  border-bottom-color: var(--burgundy);
}

/* ---------- Page intro ---------- */
.page-intro { margin: 1rem 0 2rem; }
.page-intro h1 { margin-bottom: 0.4rem; }
.page-intro .lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 60ch;
  font-style: italic;
}

/* ---------- Hero (home page) ---------- */
.hero {
  margin: 1rem 0 2.5rem;
  padding: 2.5rem 2rem;
  border: 2px solid var(--ink);
  background:
    repeating-linear-gradient(45deg, transparent 0 12px, color-mix(in srgb, var(--burgundy) 8%, transparent) 12px 13px),
    var(--cream);
  position: relative;
  box-shadow: var(--shadow);
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--ink);
  background: var(--paper);
  border-radius: 50%;
}
.hero::before { top: -10px; left: -10px; }
.hero::after  { bottom: -10px; right: -10px; }
.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.6rem);
  margin-bottom: 0.5rem;
}
.hero h1 .call {
  font-family: var(--mono);
  color: var(--burgundy);
  letter-spacing: 0.04em;
}
.hero .tagline {
  font-family: var(--display);
  font-size: 1.2rem;
  font-variant: small-caps;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.hero p { font-size: 1.05rem; max-width: 58ch; }
.hero-meta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  font-family: var(--mono);
  font-size: 0.9rem;
}
.hero-meta dt {
  font-variant: small-caps;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  font-family: var(--display);
}
.hero-meta dd { margin: 0; color: var(--ink); font-weight: 600; }

/* ---------- Generic section block ---------- */
section.block { margin: 3rem 0; }
section.block > h2 {
  display: inline-block;
  font-variant: small-caps;
  letter-spacing: 0.15em;
  border-bottom: 3px double var(--ink);
  padding-bottom: 0.2rem;
  margin-bottom: 1rem;
}
section.block > p { max-width: var(--measure); }

/* ---------- QSL postcard cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.card {
  position: relative;
  background: var(--cream);
  border: 2px solid var(--ink);
  padding: 1.25rem 1.25rem 1.1rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 8rem;
}
a.card:hover { transform: translateY(-2px); box-shadow: 0 1px 0 var(--paper-shade), 0 12px 24px rgba(28, 37, 65, 0.18); }
.card h3 {
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.12em;
  color: var(--burgundy);
  border-bottom: 1px solid var(--paper-shade);
  padding-bottom: 0.4rem;
  margin: 0 0 0.6rem;
}
.card p { margin: 0 0 0.4rem; font-size: 0.95rem; color: var(--ink-soft); }
.card .arrow {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--burgundy);
  letter-spacing: 0.1em;
}

/* ---------- Transceiver readout (the "wow" piece) ---------- */
.readouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.readout-panel {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 176, 0, 0.05), transparent 65%),
    var(--panel-bg);
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding: 1rem 1.25rem 1.1rem;
  box-shadow:
    inset 0 0 0 1px var(--panel-edge),
    inset 0 0 45px rgba(0, 0, 0, 0.55),       /* CRT vignette */
    inset 0 0 30px rgba(255, 176, 0, 0.08),   /* amber phosphor glow */
    0 4px 14px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}
/* CRT horizontal scanlines, painted over the content */
.readout-panel::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.38) 0 1px,
    transparent 1px 3px
  );
  pointer-events: none;
  z-index: 3;
  mix-blend-mode: multiply;
}
/* Moving scan beam — a soft horizontal band travels top to bottom,
   slightly out of sync with the static lines. */
.readout-panel::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255, 176, 0, 0.08)  8%,
    rgba(255, 240, 200, 0.18) 10%,
    rgba(255, 176, 0, 0.08) 12%,
    transparent 20%,
    transparent 100%
  );
  background-size: 100% 250%;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 4;
  mix-blend-mode: screen;
  animation: scan-beam 5.7s linear infinite;
}
@keyframes scan-beam {
  0%   { background-position: 0% -50%;  }   /* band above the visible area */
  100% { background-position: 0% 200%;  }   /* band below the visible area */
}
.readout-panel .label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--readout-dim);
  text-transform: uppercase;
}
.readout-panel .call {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--readout);
  letter-spacing: 0.08em;
  text-shadow: 0 0 6px rgba(255, 176, 0, 0.55);
  margin-top: 0.2rem;
}
.readout-panel .freq {
  font-family: var(--mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--readout);
  letter-spacing: 0.04em;
  text-shadow: 0 0 8px rgba(255, 176, 0, 0.7);
  margin: 0.3rem 0 0.1rem;
  line-height: 1.05;
}
.readout-panel .meta-row {
  display: flex;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--readout);
  text-shadow: 0 0 4px rgba(255, 176, 0, 0.4);
  margin-top: 0.4rem;
}
.readout-panel .meta-row span { opacity: 0.85; }
.readout-panel .meta-row .k { color: var(--readout-dim); margin-right: 0.3em; text-shadow: none; }

/* ---------- Tables (nets, repeaters, schedules) ---------- */
.table-wrap { overflow-x: auto; margin: 1rem 0 1.5rem; border: 2px solid var(--ink); background: var(--cream); }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
table.data caption {
  text-align: left;
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.15em;
  font-size: 1.05rem;
  padding: 0.7rem 1rem 0.5rem;
  background: var(--paper-deep);
  border-bottom: 2px solid var(--ink);
  color: var(--burgundy);
}
table.data th, table.data td {
  padding: 0.55rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
}
table.data th {
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--ink);
  background: color-mix(in srgb, var(--paper-deep) 65%, transparent);
}
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--paper-deep) 25%, transparent); }
table.data .mono, table.data .freq-cell { font-family: var(--mono); }
table.data .call-cell { font-family: var(--mono); font-weight: 700; color: var(--burgundy); }

/* ---------- Definition lists / info blocks ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem 2rem;
  margin: 1rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--cream);
  border-left: 4px solid var(--burgundy);
  border-top: 1px solid var(--paper-shade);
  border-right: 1px solid var(--paper-shade);
  border-bottom: 1px solid var(--paper-shade);
}
.info-grid dt {
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.info-grid dd { margin: 0.1rem 0 0; font-weight: 600; }
.info-grid a { font-weight: 600; }

/* ---------- Embed wrapper (Google Calendar / Docs / Photos) ---------- */
.embed-frame {
  position: relative;
  border: 2px solid var(--ink);
  background: var(--cream);
  padding: 0.4rem;
  box-shadow: var(--shadow);
  margin: 1rem 0;
}
.embed-frame::before {
  /* tape pieces */
  content: "";
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 90px; height: 22px;
  background: color-mix(in srgb, var(--tape) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
}
.embed-frame iframe {
  display: block;
  width: 100%;
  border: 0;
  background: white;
}
.embed-frame .embed-note {
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--paper-deep);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.embed-placeholder {
  min-height: 360px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
  background:
    repeating-linear-gradient(135deg, var(--paper-deep) 0 14px, var(--cream) 14px 28px);
  font-family: var(--mono);
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

/* ---------- Link list (useful links page) ---------- */
.link-cat { margin-bottom: 2rem; }
.link-cat h3 {
  font-variant: small-caps;
  letter-spacing: 0.12em;
  color: var(--burgundy);
  border-bottom: 1px dashed var(--ink-soft);
  padding-bottom: 0.25rem;
  margin-bottom: 0.6rem;
}
.link-cat ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.4rem 1.5rem;
}
.link-cat li {
  padding: 0.25rem 0;
  border-bottom: 1px dotted color-mix(in srgb, var(--ink) 20%, transparent);
}
.link-cat li a { font-weight: 600; }
.link-cat li .desc { color: var(--ink-faint); font-size: 0.85rem; display: block; }

/* ---------- Buttons / call-to-action ---------- */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.15em;
  background: var(--burgundy);
  color: var(--cream);
  border: 2px solid var(--burgundy-dk);
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
  color: var(--cream);
  text-decoration: none;
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}
.btn.secondary { background: var(--cream); color: var(--ink); border-color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 3px double var(--ink);
  background: linear-gradient(to top, var(--paper-deep), transparent);
  padding: 2rem 0 1.5rem;
  margin-top: auto;
  font-size: 0.9rem;
}
.site-footer-inner {
  width: min(100% - 2rem, 1100px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem 2.5rem;
}
.site-footer h4 {
  font-family: var(--display);
  font-variant: small-caps;
  letter-spacing: 0.15em;
  font-size: 0.95rem;
  color: var(--burgundy);
  margin-bottom: 0.4rem;
}
.site-footer p, .site-footer ul { margin: 0.2rem 0; color: var(--ink-soft); }
.site-footer ul { list-style: none; padding: 0; }
.site-footer .colophon {
  grid-column: 1 / -1;
  border-top: 1px dashed var(--ink-soft);
  padding-top: 1rem;
  margin-top: 0.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
}
.site-footer a { color: var(--ink); }
.site-footer a:hover { color: var(--burgundy); }

/* ---------- 404 ---------- */
.notfound {
  text-align: center;
  padding: 4rem 1rem;
}
.notfound .big {
  font-family: var(--mono);
  font-size: clamp(4rem, 14vw, 9rem);
  color: var(--burgundy);
  line-height: 1;
  letter-spacing: 0.05em;
  text-shadow: 4px 4px 0 var(--brass);
}

/* ---------- Utility ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--cream);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }
.muted { color: var(--ink-faint); }
hr.divider {
  border: 0;
  border-top: 3px double var(--ink);
  margin: 2.5rem 0;
}
.row-meeting {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  background: var(--cream);
  border: 1px solid var(--paper-shade);
  border-left: 4px solid var(--brass);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.row-meeting strong { color: var(--burgundy); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  body { font-size: 17px; }
  .nav-toggle { display: inline-block; justify-self: end; }
  .site-header-inner { grid-template-columns: auto 1fr; }
  .primary-nav {
    grid-column: 1 / -1;
    display: none;
    border-top: 2px solid var(--ink);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
  }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 0.25rem; }
  .primary-nav a { padding: 0.4rem 0; display: block; border-bottom: 1px dotted var(--ink-soft); }
  .hero { padding: 1.75rem 1.25rem; }
  .hero::before, .hero::after { display: none; }
  .stamp { transform: none; }
  .postmark { display: none; }
  main { margin: 1rem auto 2.5rem; }
}

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

@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { background: white; color: black; }
  .readout-panel { background: white; color: black; box-shadow: none; }
  .readout-panel * { color: black !important; text-shadow: none !important; }
}