/* ====================================================
   Adibiz.in — Core Layout & Navigation
   ==================================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

.section-spacing {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

@media (max-width: 768px) {
  .section-spacing {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-header {
    margin-bottom: var(--space-8);
  }
}

.section-header {
  margin-bottom: var(--space-12);
  max-width: 720px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ----------------------------------------------------
   Navigation Bar
   ---------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease, box-shadow 0.25s ease;
}

.site-nav.nav-scrolled {
  background: oklch(0.975 0.006 245 / 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 20px var(--color-shadow);
}

@media (prefers-color-scheme: dark) {
  .site-nav.nav-scrolled {
    background: oklch(0.16 0.025 250 / 0.88);
  }
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .nav-inner {
    height: 62px;
    gap: var(--space-2);
  }
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-ink);
  flex-shrink: 0;
}

.nav-brand picture {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 34px;
  width: auto;
  display: block;
  transition: height 0.15s ease;
}

@media (max-width: 640px) {
  .nav-logo-img {
    height: 28px;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 920px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--color-ink);
}

.nav-status-pill {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
  white-space: nowrap;
}

@media (min-width: 1100px) {
  .nav-status-pill {
    display: inline-flex;
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-book-text-mobile {
  display: none;
}

@media (max-width: 920px) {
  .nav-action-quote {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .nav-actions {
    gap: 0.5rem;
  }

  .nav-action-book {
    font-size: 0.78125rem !important;
    padding: 0.45rem 0.75rem !important;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .nav-brand {
    max-width: 110px;
  }

  .nav-logo-img {
    width: 110px !important;
    height: auto !important;
  }

  .nav-inner {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .nav-actions {
    gap: 0.4rem;
  }

  .nav-book-text-desktop {
    display: none;
  }

  .nav-book-text-mobile {
    display: inline;
  }

  .nav-action-book {
    font-size: 0.75rem !important;
    padding: 0.4rem 0.65rem !important;
  }

  .nav-toggle {
    width: 36px;
    height: 36px;
  }
}

/* Mobile Navigation Hamburger Button */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 0;
  color: var(--color-ink);
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

@media (min-width: 920px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.nav-toggle-icon {
  width: 18px;
  height: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

/* Mobile Nav Backdrop */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: oklch(0.08 0.02 250 / 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed !important;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  height: 100dvh;
  background: var(--color-surface, #0c1017) !important;
  border-left: 1px solid var(--color-border);
  box-shadow: -8px 0 32px var(--color-shadow);
  z-index: 9999;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex !important;
  flex-direction: column;
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-inner {
  padding: 1.25rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 100%;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-status-pill {
  display: inline-flex !important;
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
}

.mobile-nav-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mobile-nav-close:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}

.mobile-nav-link {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  color: var(--color-ink) !important;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-accent) !important;
}

.mobile-nav-link.highlight {
  background: var(--color-accent-soft);
  color: var(--color-accent) !important;
  border-color: var(--color-accent);
}

.mobile-nav-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
}

.mobile-nav-arrow {
  margin-left: auto;
  opacity: 0.4;
  font-family: var(--font-mono);
}

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.mobile-btn-full {
  width: 100%;
  justify-content: center;
  font-size: 0.875rem;
  padding: 0.7rem 1rem;
}

.mobile-nav-direct {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-direct-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-direct-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.mobile-direct-val {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-ink);
  text-decoration: none;
}

/* ----------------------------------------------------
   Technical Footer & Live Telemetry Barometer
   ---------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-top: var(--space-12);
  padding-bottom: calc(var(--space-12) + env(safe-area-inset-bottom, 24px) + 36px);
}

@media (max-width: 768px) {
  .site-footer {
    padding-bottom: calc(var(--space-16) + env(safe-area-inset-bottom, 24px) + 80px) !important;
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-top {
    flex-direction: row;
    align-items: flex-start;
  }
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  font-size: 0.8125rem;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-copy {
  line-height: 1.45;
}

/* Footer Telemetry Live Barometer */
.footer-telemetry-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 0 1px 6px var(--color-shadow);
  max-width: 100%;
  text-align: left;
}

.footer-telemetry-badge:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 3px 12px var(--color-shadow);
}

.telemetry-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pulse-optimal {
  background-color: oklch(0.68 0.22 150);
  box-shadow: 0 0 0 3px oklch(0.68 0.22 150 / 0.25);
  animation: live-pulse 1.8s infinite ease-in-out;
}

.pulse-nominal {
  background-color: oklch(0.62 0.20 240);
  box-shadow: 0 0 0 3px oklch(0.62 0.20 240 / 0.25);
  animation: live-pulse 2s infinite ease-in-out;
}

.pulse-elevated {
  background-color: oklch(0.75 0.18 75);
  box-shadow: 0 0 0 3px oklch(0.75 0.18 75 / 0.25);
  animation: live-pulse 1.5s infinite ease-in-out;
}

.pulse-critical {
  background-color: oklch(0.65 0.22 35);
  box-shadow: 0 0 0 3px oklch(0.65 0.22 35 / 0.3);
  animation: live-pulse 1.2s infinite ease-in-out;
}

.pulse-offline {
  background-color: oklch(0.55 0.22 25);
  box-shadow: 0 0 0 3px oklch(0.55 0.22 25 / 0.3);
}

.telemetry-text {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.telemetry-divider {
  opacity: 0.4;
}

.telemetry-inspect-pill {
  font-size: 0.68rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  color: var(--color-accent);
  font-weight: 600;
  margin-left: 0.2rem;
}

/* Telemetry Diagnostic Modal (HUD) */
.telemetry-modal-backdrop {
  position: fixed;
  inset: 0;
  background: oklch(0.08 0.02 250 / 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.telemetry-modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.telemetry-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: min(94vw, 620px);
  max-height: 90dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px var(--color-shadow);
  z-index: 10001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

@media (max-width: 520px) {
  .telemetry-modal {
    width: 96vw;
    max-height: 85dvh;
    border-radius: var(--radius-md);
  }

  .telemetry-modal-header {
    padding: 1rem 1rem;
  }

  .telemetry-modal-body {
    padding: 1rem;
    gap: 1rem;
  }

  .telemetry-metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .telemetry-metric-tile {
    padding: 0.65rem;
  }

  .telemetry-tile-value {
    font-size: 1rem;
  }

  .telemetry-tile-sub {
    font-size: 0.65rem;
  }

  .telemetry-modal-footer {
    padding: 0.75rem 1rem;
  }

  .footer-telemetry-badge {
    width: 100%;
    justify-content: center;
  }
}

.telemetry-modal.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.telemetry-modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.telemetry-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.telemetry-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
}

.telemetry-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.telemetry-close-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.telemetry-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.telemetry-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

@media (min-width: 520px) {
  .telemetry-metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.telemetry-metric-tile {
  padding: 0.85rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.telemetry-tile-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.telemetry-tile-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
}

.telemetry-tile-sub {
  font-size: 0.7rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.telemetry-sparkline-box {
  background: oklch(0.12 0.025 250);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #fff;
}

.telemetry-sparkline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: oklch(0.70 0.02 240);
  margin-bottom: 0.5rem;
}

#telemetry-sparkline-canvas {
  width: 100%;
  height: 65px;
  display: block;
}

.telemetry-verdict-box {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.telemetry-verdict-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.verdict-optimal .telemetry-verdict-badge {
  background: oklch(0.68 0.22 150 / 0.15);
  color: oklch(0.68 0.22 150);
  border: 1px solid oklch(0.68 0.22 150 / 0.4);
}

.verdict-elevated .telemetry-verdict-badge {
  background: oklch(0.75 0.18 75 / 0.15);
  color: oklch(0.75 0.18 75);
  border: 1px solid oklch(0.75 0.18 75 / 0.4);
}

.verdict-critical .telemetry-verdict-badge {
  background: oklch(0.65 0.22 35 / 0.15);
  color: oklch(0.65 0.22 35);
  border: 1px solid oklch(0.65 0.22 35 / 0.4);
}

.telemetry-verdict-text {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-ink);
}

.telemetry-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.telemetry-timestamp-readout {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
}

.telemetry-ping-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid oklch(0.985 0.005 245 / 0.3);
  border-top-color: oklch(0.985 0.005 245);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  margin-right: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}