/* =====================================================================
   Whiskey 7 Ham Radio — wiki-sister.css
   TRUE SISTER to xlx159.whiskey7.site. Same design system, same
   variables, same components. Hand-crafted to match the hero site.
   ===================================================================== */

/* === xlx159 design tokens (lifted from xlx159 styles.css) === */
:root,
[data-theme="dark"] {
  --bg: #0a0e14;
  --bg-elev: #11161f;
  --bg-elev-2: #1a2029;
  --border: #2a3340;
  --border-strong: #3a4555;
  --text: #ffffff;
  --text-dim: #d4dde7;
  --text-faint: #aab6c4;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-glow: rgba(56, 189, 248, 0.18);
  --accent-glow-strong: rgba(56, 189, 248, 0.35);
  --warn: #f59e0b;
  --success: #22c55e;
  --danger: #ef4444;
  --shadow-1: 0 1px 2px rgba(0,0,0,.4);
  --shadow-2: 0 8px 24px rgba(0,0,0,.5);
  --radius: 10px;
  --radius-lg: 14px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --container-max: 1180px;
  --container-pad: 1.25rem;
  --header-height: 64px;

  /* bg visibility — very visible photo background */
  --bg-image-opacity: 0.55;
  --bg-overlay-top:    rgba(10,14,20,0.15);
  --bg-overlay-mid:    rgba(10,14,20,0.08);
  --bg-overlay-bottom: rgba(10,14,20,0.28);
  --glass-bg:          rgba(10, 14, 20, 0.55);
  --glass-bg-soft:     rgba(10, 14, 20, 0.35);
  --glass-border:      rgba(255, 255, 255, 0.08);
  --glass-border-soft: rgba(255, 255, 255, 0.06);
  --header-bg:         rgba(10, 14, 20, 0.5);
  --footer-bg:         rgba(10, 14, 20, 0.8);
  --code-bg:           rgba(56, 189, 248, 0.12);
  --code-color:        #7dd3fc;
  --table-th-bg:       rgba(56, 189, 248, 0.12);
}

/* === LIGHT THEME === */
[data-theme="light"] {
  --bg: #f3f6fb;
  --bg-elev: #ffffff;
  --bg-elev-2: #e3eaf3;
  --border: #d0d8e3;
  --border-strong: #a8b4c4;
  --text: #0a0e14;
  --text-dim: #4b5563;
  --text-faint: #6b7787;
  --accent: #0284c7;
  --accent-strong: #0369a1;
  --accent-glow: rgba(2, 132, 199, 0.12);
  --accent-glow-strong: rgba(2, 132, 199, 0.35);
  --warn: #b45309;
  --success: #15803d;
  --danger: #b91c1c;
  --shadow-1: 0 1px 2px rgba(0,0,0,.05);
  --shadow-2: 0 8px 24px rgba(0,0,0,.08);

  /* bg visibility — light mode also very visible */
  --bg-image-opacity: 0.40;
  --bg-overlay-top:    rgba(243,246,251,0.30);
  --bg-overlay-mid:    rgba(243,246,251,0.15);
  --bg-overlay-bottom: rgba(243,246,251,0.45);
  --glass-bg:          rgba(255, 255, 255, 0.82);
  --glass-bg-soft:     rgba(255, 255, 255, 0.65);
  --glass-border:      rgba(10, 14, 20, 0.10);
  --glass-border-soft: rgba(10, 14, 20, 0.06);
  --header-bg:         rgba(255, 255, 255, 0.7);
  --footer-bg:         rgba(243, 246, 251, 0.85);
  --code-bg:           rgba(2, 132, 199, 0.10);
  --code-color:        #0369a1;
  --table-th-bg:       rgba(2, 132, 199, 0.10);
}

* { box-sizing: border-box; }

html {
  color-scheme: dark light;
  background-image: url("../images/hero.jpg");
  background-size: cover;
  background-position: center 35%;
  background-attachment: fixed;
  min-height: 100vh;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: transparent;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* ============================================================
   FIXED WATERMARK BG — sister pattern
   ============================================================ */
.bg-image {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-image img {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  object-position: center 35%;
  display: block;
  opacity: var(--bg-image-opacity);
  transition: opacity 0.2s ease;
}

main, section, header, footer { position: relative; z-index: 1; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.site-header .sub-info {
  flex: 0 0 100%;
  padding-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-height);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}
.brand-mark { display: inline-flex; align-items: center; gap: 0.45rem; }
.brand-text { font-size: 1rem; }
.brand-text .badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  vertical-align: middle;
}

/* Brand CTA — Wiki button next to brand text, same style as CTA nav */
/* Universe chart — SVG bubble map in connect card */
.universe-chart {
  margin-top: 0.75rem;
  border-radius: var(--radius);
  overflow: hidden;
}
.universe-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Mobile: hide brand-cta on small screens, keep compact header */
@media (max-width: 768px) {
  .brand-cta { display: none; }
}


.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.site-nav a {
  color: var(--text-dim);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  background: transparent;
  transition: color 0.12s, background 0.12s;
}
.site-nav a:hover { color: var(--text); background: var(--bg-elev); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--text); background: var(--bg-elev); }
.site-nav a.cta-nav {
  /* Now matches regular nav link style — no special accent treatment */
  color: var(--text-dim);
  margin-left: 0.3rem;
}
.site-nav a.cta-nav:hover {
  color: var(--text);
  background: var(--bg-elev);
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-left: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-soft);
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.06s;
  font-family: inherit;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent-glow);
  background: var(--bg-elev);
}
.theme-toggle:active { transform: translateY(1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
[data-theme="light"] .theme-toggle .sun { display: block; }
[data-theme="light"] .theme-toggle .moon { display: none; }

@media (max-width: 880px) {
  .site-header .container { gap: 0.5rem; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: transparent;
  margin: 0;
  padding: 4rem 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 25% 40%, transparent 0%, var(--bg-overlay-bottom) 70%),
    linear-gradient(180deg, var(--bg-overlay-top) 0%, var(--bg-overlay-bottom) 100%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
  font-weight: 800;
  color: var(--text);
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
[data-theme="light"] .hero h1 {
  text-shadow: 0 2px 12px rgba(255,255,255,0.8);
}
.hero h1 .accent { color: var(--accent); display: inline-block; }
.hero p.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  max-width: 540px;
  color: var(--text-dim);
  margin: 0 0 2rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}
[data-theme="light"] .hero p.lede { text-shadow: 0 1px 6px rgba(255,255,255,0.8); }
.hero p.lede strong { color: var(--text); }
.brand-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.12s, transform 0.06s, box-shadow 0.12s;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: #061018;
}
.btn-primary:hover { background: var(--accent-strong); color: #061018; }
.hero .btn-primary {
  padding: 0.95rem 1.4rem;
  font-size: 1.05rem;
  box-shadow: 0 6px 24px var(--accent-glow-strong);
}

.btn-secondary {
  background: var(--bg-elev-2);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: var(--bg-elev);
  border-color: var(--border-strong);
  color: var(--text);
}
.hero .btn-secondary {
  padding: 0.95rem 1.4rem;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}
[data-theme="light"] .hero .btn-secondary {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text);
  border-color: rgba(10, 14, 20, 0.15);
}
.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--text);
}
[data-theme="light"] .hero .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(10, 14, 20, 0.25);
}

.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }

/* ============================================================
   CONNECT-CARD
   ============================================================ */
.connect-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-2);
}
.connect-card h2 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 0.75rem;
}
.connect-card .one-liner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  background: var(--glass-bg-soft);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text);
}
.connect-card .one-liner code {
  background: transparent;
  padding: 0;
  flex: 1;
  word-break: break-all;
  color: var(--text);
  font-size: 0.95rem;
}
.connect-card .port-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.85rem;
}
.connect-card .port-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.75rem;
  background: var(--glass-bg-soft);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.connect-card .port-row .label { color: var(--text-dim); }
.connect-card .port-row .value { font-family: var(--font-mono); font-weight: 600; color: var(--text); }

/* ============================================================
   GLASS PANELS
   ============================================================ */
.main-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem var(--container-pad) 3rem;
}

.glass-panel,
.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-2);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.glass-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s, background 0.2s;
}
.glass-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 12px 32px var(--accent-glow);
  text-decoration: none;
  color: inherit;
}
.card-icon {
  font-size: 1.8rem;
  line-height: 1;
}
.glass-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.25rem 0;
  color: var(--text);
}
.glass-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.glass-card p strong { color: var(--text); }
.card-cta {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

/* ============================================================
   CONTENT TYPOGRAPHY
   ============================================================ */
.glass-panel h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text);
}
.glass-panel p { color: var(--text-dim); margin: 0.5rem 0; }
.glass-panel strong { color: var(--text); }
.glass-panel a { color: var(--accent); text-decoration: none; }
.glass-panel a:hover { color: var(--accent-strong); text-decoration: underline; }

.glass-panel table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1rem 0;
  background: var(--glass-bg-soft);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border-soft);
  font-size: 0.92rem;
}
.glass-panel table th {
  background: var(--table-th-bg);
  color: var(--text);
  font-weight: 700;
  text-align: left;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--glass-border);
}
.glass-panel table td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--glass-border-soft);
  color: var(--text-dim);
}
.glass-panel table tr:last-child td { border-bottom: none; }
.glass-panel table tr:hover td { background: var(--accent-glow); color: var(--text); }

.glass-panel ul.quick-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.glass-panel ul.quick-links li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--glass-border-soft);
  color: var(--text-dim);
}
.glass-panel ul.quick-links li:last-child { border-bottom: none; }
.glass-panel ul.quick-links strong { color: var(--text); }
.glass-panel code {
  background: var(--code-bg);
  color: var(--code-color);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.5rem 0;
  margin-top: 2rem;
  transition: background 0.2s ease;
}
.site-footer p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
}
.site-footer strong { color: var(--text); }

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 3rem 0 4rem; }
  .glass-panel,
  .glass-card { padding: 1.25rem 1.5rem; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { justify-content: center; }
}