/* Interactive supports map */
/* ═══════════════════════════════════════════════════════════════
   INFRASTRUCTURE MAP  (Схема размещения опор)
═══════════════════════════════════════════════════════════════ */
.infra-section {
  background: var(--bg-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.infra-bg-mesh {
  position: absolute; inset: 0;
  background:
    radial-gradient(at 15% 20%, rgba(0,102,255,.18) 0, transparent 45%),
    radial-gradient(at 85% 80%, rgba(0,229,255,.12) 0, transparent 50%),
    radial-gradient(at 50% 50%, rgba(99,102,241,.06) 0, transparent 55%);
  pointer-events: none;
}
.infra-bg-orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.infra-bg-orb-1 {
  width: 520px; height: 520px;
  background: rgba(0,102,255,.18);
  top: -140px; left: -160px;
}
.infra-bg-orb-2 {
  width: 460px; height: 460px;
  background: rgba(0,229,255,.12);
  bottom: -160px; right: -120px;
}
.infra-section .container { position: relative; z-index: 1; }
.infra-section .section-subtitle.light { color: rgba(255,255,255,.68); }

/* Wide container — карта выносится из стандартного .container, чтобы
   занимать почти всю ширину viewport'а на больших экранах. */
.infra-wide {
  position: relative;
  z-index: 1;
  max-width: 1760px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 1600px) {
  .infra-wide { padding: 0 40px; }
}

/* Main panel wrap */
.infra-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: stretch;
}
@media (min-width: 1400px) {
  .infra-panel {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
  }
}

/* ─── MAP ─────────────────────────────────────────────── */
.infra-map-wrap {
  position: relative;
  background:
    radial-gradient(800px 500px at 20% 35%, rgba(0,102,255,.18), transparent 65%),
    radial-gradient(700px 500px at 80% 65%, rgba(0,229,255,.12), transparent 65%),
    linear-gradient(135deg, #0a1028 0%, #04091e 55%, #020614 100%);
  border: 1px solid rgba(0,229,255,.22);
  border-radius: var(--r-xl);
  padding: 24px 28px;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.03),
    0 30px 80px rgba(3,8,26,.55);
  min-height: 560px;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}
@media (min-width: 1400px) { .infra-map-wrap { min-height: 640px; } }
@media (min-width: 1700px) { .infra-map-wrap { min-height: 720px; } }

/* Decorative cyan grid overlay on top of the gradient */
.infra-map-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px) 0 0 / 40px 40px;
  pointer-events: none;
  opacity: .6;
  border-radius: inherit;
  z-index: 0;
}

/* Corner vignette — keeps overlays (badge, zoom, legend) readable
   without darkening the center. */
.infra-map-wrap::after {
  content: '';
  position: absolute; inset: 0;
  box-shadow: inset 0 0 120px rgba(3,8,26,.75);
  pointer-events: none;
  border-radius: inherit;
  z-index: 2;
}

.infra-map-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  overflow: visible;
  cursor: grab;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
.infra-map-svg.is-grabbing { cursor: grabbing; }
.infra-map-svg.is-zoomed   { cursor: grab; }

/* Viewport group — transformed by JS for pan/zoom.
   We intentionally do NOT animate this (it would fight with wheel/drag);
   smooth transitions are orchestrated from JS via requestAnimationFrame. */
#infraViewport { transform-origin: 0 0; }

/* Badge 26 опор */
.infra-badge {
  position: absolute;
  top: 24px; left: 28px;
  z-index: 3;
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 18px;
  background: rgba(12,23,54,.85);
  border: 1px solid rgba(0,229,255,.35);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,102,255,.2);
}
.infra-badge-num {
  font-size: 30px; font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  line-height: 1;
}
.infra-badge-lbl {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-top: 2px;
}

/* Compass */
.infra-compass {
  position: absolute;
  top: 24px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 56px; height: 56px;
  opacity: .9;
}
.infra-compass svg {
  width: 100%; height: 100%;
  filter: drop-shadow(0 0 8px rgba(0,229,255,.3));
}

/* Scale bar */
.infra-scale {
  position: absolute;
  left: 28px; bottom: 22px;
  z-index: 3;
  font-size: 10px;
  color: rgba(255,255,255,.55);
}
.infra-scale-bar {
  display: flex;
  height: 5px;
  border: 1px solid rgba(0,229,255,.4);
  border-radius: 2px;
  overflow: hidden;
  width: 120px;
}
.infra-scale-bar span {
  flex: 1;
  border-right: 1px solid rgba(0,229,255,.25);
}
.infra-scale-bar span:last-child { border-right: 0; }
.infra-scale-bar span:nth-child(odd)  { background: rgba(0,229,255,.6); }
.infra-scale-bar span:nth-child(even) { background: transparent; }
.infra-scale-labels {
  display: flex;
  justify-content: space-between;
  width: 140px;
  margin-top: 4px;
  margin-left: -10px;
  letter-spacing: .04em;
}

/* Legend */
.infra-legend {
  position: absolute;
  bottom: 22px; right: 28px;
  z-index: 3;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  background: rgba(12,23,54,.75);
  border: 1px solid rgba(0,229,255,.2);
  border-radius: 100px;
  font-size: 12px;
  color: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
}
.infra-legend-line {
  width: 20px; height: 3px;
  background: var(--grad-cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--cyan);
}

/* ─── Zoom controls ─── */
.infra-zoom {
  position: absolute;
  top: 24px; right: 28px;
  z-index: 4;
  display: flex; flex-direction: column; align-items: stretch;
  gap: 6px;
  padding: 6px;
  background: rgba(12,23,54,.82);
  border: 1px solid rgba(0,229,255,.24);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(3,8,26,.45);
}
.infra-zoom-btn {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(0,229,255,.18);
  background: rgba(0,229,255,.04);
  color: rgba(255,255,255,.85);
  border-radius: 10px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease,
              transform .15s ease, box-shadow .18s ease;
}
.infra-zoom-btn:hover {
  background: rgba(0,229,255,.14);
  border-color: rgba(0,229,255,.6);
  color: #fff;
  box-shadow: 0 0 18px rgba(0,229,255,.25);
}
.infra-zoom-btn:active { transform: scale(.94); }
.infra-zoom-btn:focus-visible {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,229,255,.25);
}
.infra-zoom-btn[disabled] { opacity: .35; cursor: not-allowed; }
.infra-zoom-scale {
  text-align: center;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: rgba(255,255,255,.75);
  padding: 2px 0;
  background: rgba(0,229,255,.06);
  border-radius: 8px;
  user-select: none;
}
.infra-zoom-reset { margin-top: 2px; border-top-style: dashed; }

/* ─── Interaction hint ─── */
.infra-hint {
  position: absolute;
  left: 50%; bottom: 18px;
  z-index: 3;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: .02em;
  color: rgba(255,255,255,.5);
  background: rgba(12,23,54,.55);
  border: 1px solid rgba(0,229,255,.14);
  border-radius: 100px;
  backdrop-filter: blur(6px);
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s ease;
}
.infra-hint svg { opacity: .7; }
.infra-map-wrap.is-ready .infra-hint { opacity: 1; }
.infra-map-wrap.is-interacted .infra-hint { opacity: 0; }

/* Route line — draw-in animation control */
#infraRouteLine { filter: drop-shadow(0 0 6px rgba(0,229,255,.55)); }
.infra-map-wrap.is-drawing #infraRouteLine,
.infra-map-wrap.is-drawing #infraRouteGlow {
  stroke-dasharray: var(--route-len, 3000);
  stroke-dashoffset: var(--route-len, 3000);
  animation: infraDraw 2.4s cubic-bezier(.55,.05,.25,1) forwards;
}
.infra-map-wrap.is-drawing #infraRouteGlow { animation-duration: 2.7s; }
@keyframes infraDraw { to { stroke-dashoffset: 0; } }

#infraRouteSpark {
  filter: drop-shadow(0 0 6px #fff) drop-shadow(0 0 14px var(--cyan));
  opacity: 0;
  transition: opacity .4s ease;
}
.infra-map-wrap.is-ready #infraRouteSpark { opacity: 1; }

/* Endpoint labels */
.infra-endpoint text { font-family: 'Inter', sans-serif; }

/* Node groups */
.infra-node {
  cursor: pointer;
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  transform-box: fill-box;
  transform-origin: center;
  outline: none;
}
.infra-node-hit  { fill: transparent; }
.infra-node-halo { fill: url(#infraNodeGlow); opacity: 0; transform-origin: center; transition: opacity .3s ease; }
.infra-node-ring {
  fill: transparent;
  stroke: var(--cyan);
  stroke-width: 2;
  transition: stroke-width .25s ease, r .25s ease, stroke .25s ease;
}
.infra-node-dot {
  fill: var(--cyan);
  transition: fill .25s ease, r .25s ease;
  filter: drop-shadow(0 0 4px var(--cyan));
}
.infra-node-lbl {
  fill: #fff;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  pointer-events: none;
  opacity: .82;
  transition: opacity .2s ease, fill .2s ease;
  user-select: none;
}

.infra-node:hover .infra-node-halo { opacity: .75; }
.infra-node:hover .infra-node-ring { stroke-width: 2.4; }
.infra-node:hover .infra-node-lbl  { opacity: 1; fill: var(--cyan); }

.infra-node.is-active .infra-node-halo { opacity: .95; }
.infra-node.is-active .infra-node-ring { stroke: #fff; stroke-width: 2.8; }
.infra-node.is-active .infra-node-dot  { fill: #fff; r: 4.6; filter: drop-shadow(0 0 10px #fff); }
.infra-node.is-active .infra-node-lbl  { fill: var(--cyan); opacity: 1; font-size: 12px; }

.infra-map-wrap,
.infra-map-wrap * {
  user-select: none;
  -webkit-user-select: none;
}

@keyframes infraPulse {
  0%,100% { opacity: .6; transform: scale(1); }
  50%     { opacity: 1;  transform: scale(1.4); }
}

/* Tooltip */
.infra-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 160px;
  padding: 10px 14px;
  background: rgba(7,15,38,.95);
  border: 1px solid rgba(0,229,255,.35);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0,0,0,.5);
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 12px));
  opacity: 0;
  transition: opacity .18s ease;
}
.infra-tooltip:not([hidden]) { opacity: 1; }
.infra-tooltip::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -5px;
  width: 8px; height: 8px;
  background: rgba(7,15,38,.95);
  border-right: 1px solid rgba(0,229,255,.35);
  border-bottom: 1px solid rgba(0,229,255,.35);
  transform: translateX(-50%) rotate(45deg);
}
.infra-tooltip-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 4px;
}
.infra-tooltip-num {
  font-size: 15px; font-weight: 800; color: #fff;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.infra-tooltip-km {
  font-size: 10.5px;
  color: rgba(255,255,255,.55);
  letter-spacing: .05em;
}
.infra-tooltip-type {
  font-size: 12px;
  color: var(--cyan);
  font-weight: 600;
}

/* ─── INFO SIDE PANEL ─────────────────────────────────── */
.infra-info {
  background: linear-gradient(180deg, rgba(12,23,54,.6), rgba(7,15,38,.8));
  border: 1px solid rgba(0,229,255,.18);
  border-radius: var(--r-xl);
  padding: 26px 24px 20px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.infra-info::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-cyan);
}
.infra-info-head { margin-bottom: 22px; }
.infra-info-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(0,229,255,.1);
  border: 1px solid rgba(0,229,255,.25);
  border-radius: 100px;
  font-size: 10.5px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
}
.infra-info-chip-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  animation: pulse 2s infinite;
}
.infra-info-num {
  font-size: 56px;
  font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  line-height: 1;
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.infra-info-km {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
  letter-spacing: .05em;
}
.infra-info-body { flex: 1; display: flex; flex-direction: column; }
.infra-info-type {
  font-size: 17px; font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.infra-info-desc {
  font-size: 13.5px;
  color: rgba(255,255,255,.72);
  line-height: 1.6;
  margin-bottom: 22px;
  min-height: 5.2em;
}
.infra-info-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}
.infra-info-stat {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 10px 12px;
}
.infra-info-stat-lbl {
  font-size: 10px;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 4px;
}
.infra-info-stat-val {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  display: flex; align-items: center; gap: 6px;
}
.infra-info-stat-val.green { color: var(--green); }
.infra-info-stat-val.warn { color: #ffb020; }
.infra-info-stat-small { font-weight: 500; color: rgba(255,255,255,.45); font-size: 12px; }
.infra-info-status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #ffb020;
  box-shadow: 0 0 6px #ffd24a;
  animation: pulse 2s infinite;
}
.infra-info-progress {
  margin-top: 8px;
  height: 3px;
  background: rgba(255,255,255,.08);
  border-radius: 2px;
  overflow: hidden;
}
.infra-info-progress-fill {
  height: 100%;
  width: 0;
  background: var(--grad-cyan);
  box-shadow: 0 0 8px var(--cyan);
  transition: width .4s ease;
}

.infra-info-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}
.infra-info-btn {
  width: 100%; height: 44px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--tr);
}
.infra-info-btn:hover {
  background: rgba(0,229,255,.12);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}
/* Chips */
.infra-chips {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.infra-chip {
  appearance: none;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
  color: rgba(255,255,255,.58);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 0;
  border-radius: 7px;
  cursor: pointer;
  transition: all .18s ease;
  font-variant-numeric: tabular-nums;
}
.infra-chip:hover {
  border-color: rgba(0,229,255,.4);
  color: var(--cyan);
  background: rgba(0,229,255,.06);
}
.infra-chip.is-active {
  background: var(--grad-cyan);
  border-color: transparent;
  color: #03081A;
  box-shadow: 0 0 12px rgba(0,229,255,.45);
}

.infra-info-btn:focus,
.infra-chip:focus {
  outline: none;
}

.infra-info-btn:focus-visible,
.infra-chip:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 2px rgba(0,229,255,.45),
    0 0 16px rgba(0,229,255,.35);
}

/* Type legend row */
.infra-types {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  padding: 18px 24px;
  background: rgba(12,23,54,.4);
  border: 1px solid rgba(255,255,255,.05);
  border-radius: var(--r);
  backdrop-filter: blur(6px);
}
.infra-type {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  color: rgba(255,255,255,.75);
}
.infra-type-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 6px currentColor;
}

/* Responsive */
@media (max-width: 1100px) {
  .infra-panel { grid-template-columns: 1fr; }
  .infra-info  { order: 2; }
  .infra-wide  { padding: 0 16px; }
  .infra-map-wrap { min-height: 480px; }
}
@media (max-width: 767px) {
  .infra-wide    { padding: 0 12px; }
  .infra-map-wrap { padding: 18px 14px; min-height: 360px; }
  .infra-badge    { top: 14px; left: 14px; padding: 8px 12px; }
  .infra-badge-num{ font-size: 22px; }
  .infra-compass  { width: 40px; height: 40px; top: 14px; }
  .infra-legend   { right: 14px; bottom: 14px; font-size: 10.5px; padding: 6px 10px; }
  .infra-scale    { left: 14px; bottom: 14px; }
  .infra-zoom     { top: 14px; right: 14px; padding: 4px; }
  .infra-zoom-btn { width: 32px; height: 32px; }
  .infra-zoom-scale { font-size: 10px; }
  .infra-hint     { display: none; }
  .infra-info     { padding: 22px 18px 18px; }
  .infra-info-num { font-size: 44px; }
  .infra-chips    { grid-template-columns: repeat(9, 1fr); }
}