/* ==================== 05. ЦИФРОВОЕ СОПРОВОЖДЕНИЕ (REAL GOSUDARINYA UI, LOCKED WINDOW SIZE) ==================== */
.platform {
  background: #141416;
  padding: 112px 0 116px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.platform::before {
  content: "";
  position: absolute;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(194, 206, 171, 0.08);
  border-radius: 50%;
  right: -220px;
  top: -240px;
  pointer-events: none;
}

.platform-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 56px;
  align-items: center;
}

.platform h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(42px, 4.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 18px 0 22px;
}

.platform h2 span {
  color: var(--gold2);
}

.platform .description {
  color: #c4bbb0;
  font-size: 15.5px;
  line-height: 1.72;
  max-width: 440px;
  margin: 0;
}

.platform-list {
  margin-top: 32px;
  border-bottom: 1px solid rgba(201, 167, 122, 0.2);
}

.platform-list div {
  border-top: 1px solid rgba(201, 167, 122, 0.2);
  padding: 15px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  color: #dfd7cd;
  font-size: 13.5px;
}

.platform-list b {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

/* Authentic Gosudarinya v2.0 App Interface Widget */
.gos-app {
  background: var(--app-canvas);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 22px;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.72),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  overflow: hidden;
  font-family: var(--font-sans);
  color: #f4f3ef;
}

.gos-app-header {
  background: rgba(14, 16, 21, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.gos-app-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gos-app-brand img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(212, 194, 168, 0.25));
}

.gos-app-brand-meta small {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--app-gold);
}

.gos-online-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--app-sage);
  box-shadow: 0 0 8px var(--app-sage);
}

.gos-app-brand-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin-top: 2px;
}

.gos-app-nav {
  display: flex;
  background: var(--app-pill);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  gap: 4px;
}

.gos-tab-btn {
  padding: 7px 13px;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 600;
  color: #a1a1aa;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.gos-tab-btn:hover {
  color: #ffffff;
}

.gos-tab-btn.active {
  background: #1d222c;
  color: var(--app-sage);
  border: 1px solid rgba(194, 206, 171, 0.28);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.gos-tab-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  background: var(--app-gold);
  color: #090a0c;
  padding: 1px 5px;
  border-radius: 6px;
}

/* 1x1 Grid Stack locks the exact window dimensions across all 4 tabs */
.gos-app-body {
  padding: 20px 22px;
  display: grid;
  grid-template-areas: "stack";
  align-items: start;
}

.gos-view {
  grid-area: stack;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s var(--ease);
}

.gos-view.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

/* Priority Approval Card inside App */
.gos-alert-card {
  background: var(--app-card);
  border: 1px solid rgba(212, 194, 168, 0.32);
  border-radius: 16px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.gos-alert-meta small {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--app-gold);
  margin-bottom: 4px;
}

.gos-alert-meta b {
  display: block;
  font-size: 13.5px;
  color: #ffffff;
  font-weight: 600;
}

.gos-alert-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.gos-mono-sum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  font-weight: 600;
  color: #ffffff;
}

.gos-approve-btn {
  background: var(--app-sage);
  color: #111611;
  font-size: 11px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 10px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.gos-approve-btn:hover {
  transform: translateY(-1px);
  opacity: 0.94;
}

.gos-approve-btn.approved {
  background: rgba(52, 211, 153, 0.16);
  color: var(--app-emerald);
  border: 1px solid rgba(52, 211, 153, 0.35);
}

/* Budget Summary Card */
.gos-budget-card {
  background: var(--app-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.gos-budget-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 10px;
}

.gos-budget-col small {
  display: block;
  font-size: 9.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #8e929b;
  margin-bottom: 4px;
}

.gos-budget-col strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  color: #ffffff;
}

.gos-budget-col.right {
  text-align: right;
}

.gos-budget-col.right strong {
  color: var(--app-sage);
  font-size: 16px;
}

.gos-progress {
  height: 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 99px;
  overflow: hidden;
}

.gos-progress-bar {
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--app-gold), var(--app-sage));
  border-radius: 99px;
  transition: width 0.5s var(--ease);
}

/* Photo Reports Strip inside App */
.gos-subhead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9ca0a9;
  margin: 14px 0 9px;
}

.gos-subhead span:last-child {
  color: var(--app-gold);
  cursor: pointer;
}

.gos-photos-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.gos-photo-thumb {
  position: relative;
  height: 76px;
  border-radius: 11px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.gos-photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gos-photo-thumb span {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(0deg, rgba(9, 10, 12, 0.92), transparent);
  padding: 12px 7px 5px;
  font-size: 9.5px;
  color: #e4e4e7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Stages Table inside App */
.gos-table {
  background: var(--app-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  overflow: hidden;
}

.gos-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 11px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12px;
}

.gos-row:first-child {
  border-top: 0;
}

.gos-row-title {
  font-weight: 600;
  color: #f4f3ef;
}

.gos-row-sub {
  font-size: 10.5px;
  color: #8c9099;
  margin-top: 2px;
}

.gos-row-amount {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  color: #d4d4d8;
}

.gos-pill-status {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 9px;
  border-radius: 99px;
  white-space: nowrap;
}

.gos-pill-status.done {
  background: rgba(52, 211, 153, 0.12);
  color: var(--app-emerald);
  border: 1px solid rgba(52, 211, 153, 0.28);
}

.gos-pill-status.work {
  background: rgba(194, 206, 171, 0.14);
  color: var(--app-sage);
  border: 1px solid rgba(194, 206, 171, 0.3);
}

.gos-pill-status.wait {
  background: rgba(212, 194, 168, 0.14);
  color: var(--app-gold);
  border: 1px solid rgba(212, 194, 168, 0.3);
}

.gos-app-foot {
  padding: 11px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(14, 16, 21, 0.7);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  color: #8c9099;
}

@media (max-width: 1080px) {
  .platform {
    padding: 80px 0 88px;
  }
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 640px) {
  .platform {
    padding: 56px 0 64px;
  }
  .platform-grid {
    gap: 22px;
  }
  .platform h2 {
    font-size: clamp(32px, 8vw, 38px);
    margin: 12px 0 14px;
  }
  .platform .description {
    font-size: 14.5px;
    line-height: 1.55;
  }
  .platform-list,
  .gos-app-foot {
    display: none;
  }
  .gos-app {
    border-radius: 18px;
  }
  .gos-app-header {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 14px 12px;
    gap: 12px;
  }
  .gos-app-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    width: 100%;
    overflow: visible;
  }
  .gos-tab-btn {
    justify-content: center;
    padding: 8px 4px;
    font-size: 11px;
    min-height: 38px;
    white-space: nowrap;
  }
  .gos-app-body {
    padding: 14px;
    display: block;
  }
  .gos-view {
    display: none;
  }
  .gos-view.active {
    display: block;
    animation: fadePanel 0.28s var(--ease);
  }
  .gos-alert-card {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px;
  }
  .gos-alert-right {
    justify-content: space-between;
    width: 100%;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .gos-approve-btn {
    min-height: 38px;
    padding: 9px 16px;
  }
  .gos-budget-card {
    padding: 14px;
  }
  .gos-budget-row {
    flex-wrap: wrap;
    gap: 8px 12px;
  }
  .gos-budget-col strong {
    font-size: 16px;
  }
  .gos-budget-col.right strong {
    font-size: 15px;
  }
  .gos-subhead span:last-child {
    padding: 6px 0 6px 10px;
    margin: -6px 0;
  }
  .gos-photos-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .gos-row {
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
    padding: 12px 14px;
  }
  .gos-row > div:first-child {
    grid-column: 1 / -1;
  }
  .gos-row-amount {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--app-gold);
  }
  .gos-pill-status {
    justify-self: end;
  }
}