/* ============================================================
   TuneX — components.css
   Header, footer, buttons, ticker, cards
   ============================================================ */

/* ===================== HEADER ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
}
.brand img {
  height: 32px;
  width: auto;
}

.nav-main {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav-main a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  transition: color var(--t-fast);
  position: relative;
  padding: 4px 0;
}

.nav-main a:hover {
  color: var(--text);
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform var(--t-base);
}

.nav-main a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Lang toggle */
.lang-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.lang-btn {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  background: transparent;
  transition: all var(--t-fast);
}
.lang-btn:hover {
  color: var(--text);
}
.lang-btn.active {
  background: var(--red);
  color: #fff;
}

/* Mobile menu */
.btn-mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.btn-mobile-menu span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 16px 24px;
}
.mobile-menu a {
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu.open {
  display: flex;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: #fff;
}
.btn-primary:hover {
  background: var(--red-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(165, 42, 42, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-outline:hover {
  border-color: var(--red);
  color: var(--text);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 11px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 13px;
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-faint);
  text-transform: uppercase;
  transition: color var(--t-fast);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.footer-bottom .red {
  color: var(--red);
  font-weight: 600;
}

/* ===================== TICKER ===================== */
.ticker {
  background: var(--red);
  padding: 12px 0;
  overflow: hidden;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ticker-track {
  display: inline-flex;
  gap: 32px;
  white-space: nowrap;
  animation: ticker-scroll 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: #fff;
  text-transform: uppercase;
  font-weight: 500;
}

.ticker-track .dot {
  color: rgba(255, 255, 255, 0.5);
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===================== FEATURE CARDS ===================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-cell {
  background: var(--bg-2);
  padding: 36px 32px;
  position: relative;
  transition: background var(--t-base);
}

.feature-cell:hover {
  background: var(--bg-card);
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 600;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--red);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  margin-bottom: 16px;
  background: var(--red-soft);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.feature-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ===================== STATUS GRID ===================== */
.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 56px;
}

.status-cell {
  background: var(--bg-2);
  padding: 24px;
  text-align: center;
}

.status-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.status-value {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  font-style: italic;
}

/* ===================== STATS GRID ===================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-block {
  padding: 16px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 700;
  font-style: italic;
  color: var(--red);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .nav-main { display: none; }
  .btn-mobile-menu { display: flex; }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .status-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .header-actions .btn-sm {
    display: none;
  }
}