.alta-pst {
  --alta-pst-accent: #7a5bf7;
  --alta-pst-text: #ffffff;
  --alta-pst-muted: rgba(255, 255, 255, 0.65);
  --alta-pst-divider: rgba(255, 255, 255, 0.12);
  --alta-pst-pill-bg: #15151c;
  --alta-pst-pill-active-bg: #ffffff;
  --alta-pst-pill-active-text: #0a0a12;

  position: relative;
  width: 100%;
  padding: 88px 24px 120px;
  color: var(--alta-pst-text);
  font-family: "Satoshi", system-ui, -apple-system, "Segoe UI", sans-serif;
  box-sizing: border-box;
}

.alta-pst *,
.alta-pst *::before,
.alta-pst *::after {
  box-sizing: border-box;
}

.alta-pst__tabs {
  display: flex;
  justify-content: center;
  margin: 0 auto 64px;
}

.alta-pst__tabs-pill {
  display: inline-flex;
  gap: 4px;
  padding: 6px;
  border-radius: 999px;
  background: var(--alta-pst-pill-bg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.alta-pst__tab {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 14px 36px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--alta-pst-text);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.alta-pst__tab:hover {
  background: rgba(255, 255, 255, 0.06);
}

.alta-pst__tab.is-active {
  background: var(--alta-pst-pill-active-bg);
  color: var(--alta-pst-pill-active-text);
}

.alta-pst__tab:focus-visible {
  outline: 2px solid var(--alta-pst-accent);
  outline-offset: 3px;
}

.alta-pst__panels {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.alta-pst__panel {
  width: 100%;
  animation: alta-pst-panel-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.alta-pst__empty {
  text-align: center;
  color: var(--alta-pst-muted);
  font-size: 14px;
  padding: 48px 0;
}

/* ---- Specifications: accordion ---- */
.alta-pst__groups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alta-pst__group {
  border-radius: 8px;
  background: var(--alta-pst-accent);
  overflow: hidden;
  transition: background 0.3s ease;
}

.alta-pst__group.is-open {
  background: transparent;
}

.alta-pst__group-header {
  appearance: none;
  border: 0;
  background: var(--alta-pst-accent);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ffffff;
  cursor: pointer;
  transition: background 0.25s ease, filter 0.25s ease;
  border-radius: 8px;
}

.alta-pst__group-header:hover {
  filter: brightness(1.08);
}

.alta-pst__group.is-open .alta-pst__group-header {
  background: var(--alta-pst-accent);
}

.alta-pst__group-icon {
  position: relative;
  display: inline-flex;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alta-pst__group-icon-bar {
  position: absolute;
  background: #ffffff;
  border-radius: 1px;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}

.alta-pst__group-icon-bar--h {
  width: 14px;
  height: 2px;
}

.alta-pst__group-icon-bar--v {
  width: 2px;
  height: 14px;
}

.alta-pst__group.is-open .alta-pst__group-icon-bar--v {
  transform: rotate(90deg);
  opacity: 0;
}

.alta-pst__group-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.alta-pst__group-body-inner {
  padding: 16px 28px 24px;
}

.alta-pst__rows {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.alta-pst__row {
  display: grid;
  grid-template-columns: minmax(180px, 0.4fr) 1fr;
  gap: 32px;
  padding: 18px 0;
  border-top: 1px solid var(--alta-pst-divider);
}

.alta-pst__row:first-child {
  border-top: 0;
  padding-top: 8px;
}

.alta-pst__row-label {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--alta-pst-text);
  letter-spacing: 0;
}

.alta-pst__row-value {
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  color: var(--alta-pst-text);
  letter-spacing: 0;
  text-align: right;
  line-height: 1.45;
  white-space: pre-line;
}

/* Footnote rows: one full-width column, left-aligned, marker hugging the text. */
.alta-pst__row--note {
  display: block;
}
.alta-pst__row-note {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--alta-pst-muted);
  line-height: 1.45;
  text-align: left;
}
.alta-pst__row-note-marker {
  margin-right: 6px;
  color: var(--alta-pst-accent);
}

/* ---- Coverage: image grid ---- */
/* Stacked coverage blocks: a purple pill title above a full-width image,
   one after another. */
.alta-pst__coverage-stack {
  display: flex;
  flex-direction: column;
  gap: 48px;
  /* Black backdrop so the antenna-pattern images (rendered on black) blend
     seamlessly into the section. */
  background: #000;
  padding: 40px clamp(16px, 4vw, 48px);
  border-radius: 16px;
}

.alta-pst__coverage-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.alta-pst__coverage-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 10px;
  background: var(--alta-pst-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.alta-pst__coverage-stack-image {
  width: 100%;
  height: auto;
  display: block;
}

.alta-pst__coverage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr));
  gap: 24px;
}

.alta-pst__coverage-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--alta-pst-divider);
  border-radius: 16px;
  overflow: hidden;
}

.alta-pst__coverage-image {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #11111a;
}

.alta-pst__coverage-copy {
  padding: 4px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alta-pst__coverage-title {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--alta-pst-text);
}

.alta-pst__coverage-caption {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
  color: var(--alta-pst-muted);
  line-height: 1.5;
}

/* ---- Resources: list of cards with optional video ---- */
.alta-pst__resources-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr));
  gap: 28px;
}

.alta-pst__resource {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--alta-pst-divider);
  border-radius: 16px;
  overflow: hidden;
  padding-bottom: 24px;
}

.alta-pst__resource-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0a0a12;
  overflow: hidden;
}

.alta-pst__resource-video,
.alta-pst__resource-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.alta-pst__resource-video--embed {
  border: 0;
}

.alta-pst__resource-thumb--placeholder {
  background: linear-gradient(135deg, #1a1438, #0a0716);
}

.alta-pst__resource-copy {
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alta-pst__resource-title {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--alta-pst-text);
}

.alta-pst__resource-description {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
  color: var(--alta-pst-muted);
  line-height: 1.55;
}

.alta-pst__resource-link {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  color: var(--alta-pst-text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.alta-pst__resource-link:hover {
  color: var(--alta-pst-accent);
}

/* ---- Animations ---- */
@keyframes alta-pst-panel-in {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.alta-pst--animate .alta-pst__tabs-pill {
  animation: alta-pst-fade-up 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

.alta-pst--animate .alta-pst__group {
  animation: alta-pst-fade-up 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.alta-pst--animate .alta-pst__group:nth-child(1) { animation-delay: 0.1s; }
.alta-pst--animate .alta-pst__group:nth-child(2) { animation-delay: 0.16s; }
.alta-pst--animate .alta-pst__group:nth-child(3) { animation-delay: 0.22s; }
.alta-pst--animate .alta-pst__group:nth-child(4) { animation-delay: 0.28s; }
.alta-pst--animate .alta-pst__group:nth-child(5) { animation-delay: 0.34s; }
.alta-pst--animate .alta-pst__group:nth-child(6) { animation-delay: 0.40s; }
.alta-pst--animate .alta-pst__group:nth-child(7) { animation-delay: 0.46s; }

@keyframes alta-pst-fade-up {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .alta-pst--animate .alta-pst__tabs-pill,
  .alta-pst--animate .alta-pst__group,
  .alta-pst__panel {
    animation: none !important;
  }
  .alta-pst__group-body {
    transition: none;
  }
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .alta-pst {
    padding: 64px 16px 88px;
  }

  .alta-pst__tabs {
    margin-bottom: 36px;
  }

  .alta-pst__tabs-pill {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .alta-pst__tabs-pill::-webkit-scrollbar {
    display: none;
  }

  .alta-pst__tab {
    padding: 12px 22px;
    font-size: 14px;
    flex-shrink: 0;
  }

  .alta-pst__group-header {
    padding: 16px 20px;
    font-size: 12px;
  }

  .alta-pst__group-body-inner {
    padding: 12px 20px 20px;
  }

  .alta-pst__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 0;
  }

  .alta-pst__row-value {
    text-align: left;
    color: var(--alta-pst-muted);
    font-size: 14px;
  }

  .alta-pst__row-label {
    font-size: 13px;
    color: var(--alta-pst-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
}