/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #080d16;
  --bg-1:       #0d1625;
  --bg-2:       #121f31;
  --border:     #1e3050;
  --blue:       #1a4f8b;
  --blue-light: #2a6bbf;
  --blue-glow:  rgba(26,79,139,0.35);
  --amber:      #e8850a;
  --amber-dim:  rgba(232,133,10,0.15);
  --red:        #aa151b;
  --yellow:     #f1bf00;
  --text:       #dce8f5;
  --muted:      #637d99;
  --subtle:     #1e3050;
  --font:       'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Mono', monospace;
  --radius:     0.5rem;
  --radius-lg:  0.9rem;
}

html { scroll-behavior: smooth; scroll-padding-top: 3.5rem; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-light); text-decoration: none; }
a:hover { color: #5fa0e0; }

/* ── Typography helpers ───────────────────────────────────── */
.label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 4rem 0; }

/* ── NAV ──────────────────────────────────────────────────── */
nav.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
  padding: 0 2rem;
  background: rgba(8,13,22,0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff !important;
}
.nav-logo .r { color: var(--red); }
.nav-logo .y { color: var(--yellow); }

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 0.3rem;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover {
  color: var(--text);
  background: var(--bg-2);
}

.nav-ham {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 3.5rem;
    left: 0; right: 0;
    background: rgba(8,13,22,0.97);
    padding: 1rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    z-index: 99998;
    gap: 0.1rem;
  }
  .nav-ham { display: block; }
}

/* ── HERO ─────────────────────────────────────────────────── */
section#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 3.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/00000000-002.webp');
  background-size: cover;
  background-position: center 30%;
  filter: saturate(0.8) brightness(0.55);
  transform: scale(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(26,79,139,0.28) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(8,13,22,0.25) 0%, rgba(8,13,22,0.65) 60%, rgba(8,13,22,0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 2rem 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: rgba(13,22,37,0.7);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.6rem;
  backdrop-filter: blur(6px);
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-callsign {
  font-size: clamp(4rem, 12vw, 8.5rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 0.6rem;
  text-shadow: 0 8px 32px rgba(0,0,0,0.7);
}
.hero-callsign .r { color: var(--red); }
.hero-callsign .y { color: var(--yellow); }
.hero-callsign .w { color: #ffffff; }

.hero-name {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: #a0bcd6;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.8vw, 1.45rem);
  color: var(--text);
  line-height: 1.4;
  max-width: 580px;
  margin: 0 auto 2rem;
  font-weight: 300;
}
.hero-tagline strong { font-weight: 600; color: #fff; }

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.2rem;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.hero-meta-item svg { width: 14px; height: 14px; opacity: 0.7; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none !important;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  color: #fff;
  box-shadow: 0 0 20px var(--blue-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,0.22);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.btn-amber {
  background: var(--amber-dim);
  color: var(--amber);
  border-color: rgba(232,133,10,0.35);
}
.btn-amber:hover {
  background: rgba(232,133,10,0.25);
  border-color: var(--amber);
  color: var(--amber);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 2;
  animation: bounce 2.5s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
.hero-scroll svg { width: 16px; height: 16px; }

/* ── STATS BAR ────────────────────────────────────────────── */
#stats-bar {
  padding: 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}
.stat-item {
  flex: 1 1 180px;
  max-width: 260px;
  padding: 1.4rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-value .unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
}
.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
@media (max-width: 640px) {
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
}

/* ── SECTION HEADERS ──────────────────────────────────────── */
.section-header {
  margin-bottom: 2.5rem;
}
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.4rem;
}
.section-header p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 560px;
}

/* ── LIVE DX ──────────────────────────────────────────────── */
section#live-dx {
  background: var(--bg);
}
.live-dx-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  --live-dx-row-width: 100%;
}
.live-dx-embed-container {
  --clublog-base-width: 1240;
  --clublog-base-height: 760;
  width: var(--live-dx-row-width);
  aspect-ratio: 1240 / 820;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #000;
  position: relative;
}
.live-dx-embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1240px;
  height: 808px;
  max-width: none;
  display: block;
  transform-origin: top left;
  z-index: 1;
  border: 0 !important;
  outline: 0 !important;
  background: #000;
}
.live-dx-cards {
  display: flex;
  gap: 1rem;
  width: var(--live-dx-row-width);
  max-width: 100%;
}
.live-dx-cards .card { flex: 1; }

@media (max-width: 780px) {
  .live-dx-cards { width: 100%; flex-direction: column; }
}

.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}
.card-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

/* OQRS card */
.oqrs-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.oqrs-input {
  width: 100%;
  padding: 0.55rem 0.9rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.15s;
}
.oqrs-input::placeholder { color: var(--muted); text-transform: none; letter-spacing: 0; }
.oqrs-input:focus { border-color: var(--blue-light); }
.oqrs-btn {
  width: 100%;
  padding: 0.6rem;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
}
.oqrs-btn:hover {
  background: var(--blue-light);
  box-shadow: 0 0 14px var(--blue-glow);
}
.oqrs-hint {
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
}

/* Activity / RBN card */
.rbn-img {
  width: 100%;
  height: auto;
  aspect-ratio: 700 / 250;
  border-radius: 0.3rem;
  display: block;
}


/* ── PROPAGATION ──────────────────────────────────────────── */
section#propagation {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
/* prop dashboard shell */
.prop-dashboard {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── metric strip ── */
.pd-metrics {
  display: flex;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.pd-metric {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.85rem 0.4rem;
  background: var(--bg-2);
  min-width: 0;
}
.pd-metric--ts {
  flex: 0 0 auto;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0.55rem 1rem;
  min-width: 110px;
}
.pd-val {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  white-space: nowrap;
}
.pd-val--good { color: #22c55e; }
.pd-val--fair { color: var(--amber); }
.pd-val--poor { color: #f97316; }
.pd-lbl {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── middle (bands + chart) ── */
.pd-middle {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 0.75rem;
}
.pd-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.pd-panel-hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.pd-panel-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text);
}
.pd-panel-note {
  font-size: 0.6rem;
  color: var(--muted);
}

/* band table */
.pd-band-table {
  width: 100%;
  border-collapse: collapse;
  flex: 1;
}
.pd-band-table th {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.45rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.pd-band-table td {
  padding: 0.42rem 0.9rem;
  font-size: 0.78rem;
  border-bottom: 1px solid rgba(30,48,80,0.45);
}
.pd-band-table tr:last-child td { border-bottom: none; }
.pd-band-table td:first-child {
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.pd-cond--good   { color: #22c55e; font-weight: 600; }
.pd-cond--fair   { color: var(--amber); font-weight: 600; }
.pd-cond--poor   { color: #f97316; font-weight: 600; }
.pd-cond--closed { color: var(--muted); font-style: italic; }

/* Kp bar chart */
.pd-kp-body {
  flex: 1;
  display: flex;
  padding: 0.75rem 0.75rem 0.5rem 0.1rem;
  gap: 0;
  min-height: 140px;
}
.pd-kp-scale-y {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0 0.35rem 1.2rem 0.65rem;
  font-size: 0.58rem;
  color: var(--muted);
  flex-shrink: 0;
}
.pd-bars {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  position: relative;
}
.pd-bars::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: calc(55.6% + 1.2rem);
  height: 1px;
  background: rgba(239,68,68,0.35);
  border-top: 1px dashed rgba(239,68,68,0.35);
  pointer-events: none;
}
.pd-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  height: 100%;
  justify-content: flex-end;
  padding-bottom: 1.2rem;
  position: relative;
}
.pd-bar {
  width: 100%;
  border-radius: 2px 2px 0 0;
  min-height: 2px;
}
.pd-bar-lbl {
  position: absolute;
  bottom: 0;
  font-size: 0.52rem;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  height: 1.1rem;
  line-height: 1;
}
.pd-bar--k01 { background: #22c55e; }
.pd-bar--k2  { background: #84cc16; }
.pd-bar--k3  { background: var(--amber); }
.pd-bar--k4  { background: #f97316; }
.pd-bar--k5p { background: #ef4444; }

/* ── bottom maps ── */
.pd-maps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.prop-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.prop-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border);
}
.prop-card-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text);
}
.prop-card-badge {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}
.prop-img-wrap {
  height: 190px;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.prop-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0.25rem;
  display: block;
}
.prop-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.prop-card-src { font-size: 0.63rem; color: var(--muted); }
.prop-card-link {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  line-height: 1;
  transition: color 0.15s;
}
.prop-card-link:hover { color: var(--amber); }

@media (max-width: 960px) {
  .pd-middle { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pd-metrics { flex-wrap: wrap; background: var(--bg-2); border-radius: var(--radius-lg); }
  .pd-metric  { flex: 0 0 calc(33.33% - 1px); }
  .pd-metric--ts { flex: 1 0 100%; align-items: center; border-top: 1px solid var(--border); }
  .pd-maps    { grid-template-columns: 1fr; }
  .prop-img-wrap { height: 160px; }
}

/* ── OUTDOORDX ────────────────────────────────────────────── */
section#outdoordx {
  background: var(--bg);
}
.outdoordx-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.outdoordx-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.8rem;
  line-height: 1.15;
}
.outdoordx-info p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}
.outdoordx-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.4rem;
}
.tag {
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.tag.active { background: var(--amber-dim); border-color: rgba(232,133,10,0.4); color: var(--amber); }

.outdoordx-widget {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 360px;
  display: flex;
  flex-direction: column;
}
.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.2rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.widget-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.widget-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 5px var(--amber);
  animation: pulse-dot-amber 1.4s ease-in-out infinite;
}
.widget-dot.dot-connected {
  background: #22c55e;
  box-shadow: 0 0 5px #22c55e;
  animation: pulse-dot-green 1.8s ease-in-out infinite;
}
.widget-dot.dot-error {
  background: var(--red);
  box-shadow: 0 0 5px var(--red);
  animation: none;
}
.widget-badge {
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: 2rem;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(232,133,10,0.3);
}
.widget-body {
  flex: 1;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.widget-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.82rem;
}
.widget-row-call {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
  font-size: 0.88rem;
}
.widget-row-detail { color: var(--muted); }
.widget-row-mode {
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 0.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.mode-cw   { background: rgba(250,204,21,0.15); color: #facc15; }
.mode-ssb  { background: rgba(96,165,250,0.15); color: #60a5fa; }
.mode-ft8  { background: rgba(74,222,128,0.15); color: #4ade80; }
.mode-data { background: rgba(167,139,250,0.15); color: #a78bfa; }
@keyframes pulse-dot-amber {
  0%, 100% { box-shadow: 0 0 4px var(--amber); }
  50%       { box-shadow: 0 0 9px var(--amber), 0 0 18px var(--amber); }
}
@keyframes pulse-dot-green {
  0%, 100% { box-shadow: 0 0 4px #22c55e; }
  50%       { box-shadow: 0 0 9px #22c55e, 0 0 18px #22c55e; }
}
.widget-coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  padding: 2rem;
  gap: 0.7rem;
}
.widget-coming-soon .cs-icon {
  font-size: 2.5rem;
  opacity: 0.3;
}
.widget-coming-soon p {
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 820px) {
  .outdoordx-wrap { grid-template-columns: 1fr; }
}

/* ── TOOLS PREVIEW ────────────────────────────────────────── */
section#tools {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}
.tool-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.18s, box-shadow 0.18s;
  cursor: pointer;
  text-decoration: none !important;
  color: inherit;
}
.tool-card:hover {
  border-color: var(--blue-light);
  box-shadow: 0 0 20px rgba(42,107,191,0.2);
  color: inherit;
}
.tool-icon {
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 0.2rem;
}
.tool-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}
.tool-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ── SOCIAL / MEDIA ───────────────────────────────────────── */
#social {
  background: var(--bg);
}
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.social-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none !important;
  color: inherit;
  transition: border-color 0.18s, background 0.18s;
}
.social-card:hover {
  border-color: var(--blue-light);
  background: var(--bg-2);
  color: inherit;
}
.social-icon {
  width: 42px; height: 42px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.si-youtube { background: rgba(255,0,0,0.12); color: #ff4444; }
.si-instagram { background: rgba(193,53,132,0.12); color: #c13584; }
.si-telegram { background: rgba(0,136,204,0.12); color: #0088cc; }
.si-clublog { background: rgba(26,79,139,0.2); color: var(--blue-light); }
.social-info { display: flex; flex-direction: column; gap: 0.1rem; }
.social-name { font-size: 0.9rem; font-weight: 700; color: #fff; }
.social-handle { font-size: 0.78rem; color: var(--muted); }

/* ── NOTEBOOK PREVIEW ─────────────────────────────────────── */
section#notebook-preview {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.notebook-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.nb-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none !important;
  color: inherit;
  transition: border-color 0.18s;
}
.nb-card:hover { border-color: var(--blue-light); color: inherit; }
.nb-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}
.nb-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}
.nb-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}
.nb-meta {
  font-size: 0.72rem;
  color: #4a6380;
}

/* ── CONTEST CALENDAR ─────────────────────────────────────── */
#contest-cal { background: #071320; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.cc-filters { display: flex; gap: 0.5rem 1.5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.5rem; }
.cc-filter-group { display: flex; align-items: center; gap: 0.4rem; }
.cc-filter-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); min-width: 2.8rem;
}
.cc-pill {
  font-size: 0.72rem; font-weight: 600; padding: 0.2rem 0.65rem;
  border-radius: 2rem; border: 1px solid var(--border); color: var(--muted);
  background: transparent; cursor: pointer; transition: all 0.15s; letter-spacing: 0.04em;
}
.cc-pill:hover { border-color: var(--blue-light); color: var(--text); }
.cc-pill.active { background: var(--blue); border-color: var(--blue-light); color: #fff; }

.cc-live-banner {
  display: flex; align-items: center; gap: 0.6rem;
  background: rgba(170,21,27,0.12); border: 1px solid rgba(170,21,27,0.35);
  border-radius: var(--radius); padding: 0.7rem 1rem; margin-bottom: 0.75rem;
}
.cc-live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--red); flex-shrink: 0;
  animation: pulse-dot-red 1.2s ease-in-out infinite;
}
@keyframes pulse-dot-red {
  0%,100% { box-shadow: 0 0 4px var(--red); }
  50%      { box-shadow: 0 0 10px var(--red), 0 0 22px var(--red); }
}
.cc-live-label { font-weight: 700; color: var(--red); letter-spacing: 0.08em; font-size: 0.72rem; text-transform: uppercase; }
.cc-live-name  { color: var(--text); font-weight: 600; font-size: 0.85rem; }

.cc-list { display: flex; flex-direction: column; gap: 0.45rem; }
.cc-row {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(255,255,255,0.025); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.7rem 1rem; transition: border-color 0.15s;
}
.cc-row:hover { border-color: var(--blue-light); }
.cc-row[data-live="true"] { border-color: rgba(170,21,27,0.4); background: rgba(170,21,27,0.05); }

.cc-date { display: flex; flex-direction: column; align-items: center; min-width: 2.4rem; flex-shrink: 0; }
.cc-day  { font-size: 1.4rem; font-weight: 800; color: var(--blue-light); line-height: 1; }
.cc-mon  { font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

.cc-info { flex: 1; min-width: 0; }
.cc-name { font-weight: 600; color: var(--text); font-size: 0.86rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cc-time { font-size: 0.72rem; color: var(--muted); margin-top: 0.1rem; font-family: var(--font-mono); }

.cc-badges { display: flex; gap: 0.3rem; flex-shrink: 0; }
.cc-badge {
  font-size: 0.63rem; font-weight: 700; padding: 0.1rem 0.38rem;
  border-radius: 0.25rem; letter-spacing: 0.04em;
}
.cc-badge-cw      { background: rgba(250,204,21,0.15); color: #facc15; }
.cc-badge-ssb     { background: rgba(96,165,250,0.15);  color: #60a5fa; }
.cc-badge-digital { background: rgba(74,222,128,0.15);  color: #4ade80; }
.cc-badge-mixed   { background: rgba(167,139,250,0.15); color: #a78bfa; }
.cc-badge-hf      { background: rgba(255,255,255,0.06); color: var(--muted); }
.cc-badge-vhf     { background: rgba(34,197,94,0.1);   color: #86efac; }

.cc-rules {
  font-size: 0.72rem; font-weight: 700; padding: 0.28rem 0.7rem;
  border-radius: var(--radius); border: 1px solid var(--blue);
  color: var(--blue-light); background: rgba(26,79,139,0.15);
  white-space: nowrap; flex-shrink: 0; transition: all 0.15s;
}
.cc-rules:hover { background: var(--blue); color: #fff; border-color: var(--blue-light); }
.cc-empty { text-align: center; color: var(--muted); font-size: 0.82rem; padding: 2rem; }

@media (max-width: 640px) {
  .cc-badges { display: none; }
  .cc-day { font-size: 1.1rem; }
  .cc-name { white-space: normal; }
}

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-logo {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}
.footer-logo .r { color: var(--red); }
.footer-logo .y { color: var(--yellow); }
.footer-logo .w { color: #fff; }
.footer-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}
.footer-copy {
  font-size: 0.72rem;
  color: #3a526a;
  margin-top: 0.75rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: right;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--muted);
}
.footer-links a:hover { color: var(--text); }

@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { text-align: left; flex-direction: row; flex-wrap: wrap; gap: 0.5rem 1.2rem; }
}