/* ═══════════════════════════════════════════════════════
   NDF PLATFORM PAGE — Page Styles
   Inherits global tokens from /style.css
   PLATFORM accent: phosphor green — infrastructure running
   Most visionary page on the site — confident, forward-dated
   Root-relative reference confirmed
   ═══════════════════════════════════════════════════════ */

/* ── PLATFORM COLOR TOKENS ────────────────────────────── */
:root {
  --platform-green:        #45C27A;
  --platform-green-bright: #5BD48C;
  --platform-green-dim:    rgba(69, 194, 122, 0.12);
  --platform-green-border: rgba(69, 194, 122, 0.32);
  --platform-green-glow:   rgba(69, 194, 122, 0.07);
  --platform-green-text:   rgba(69, 194, 122, 0.88);
}


/* ── DATA STREAM ──────────────────────────────────────── */
.data-stream-layer {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100vh;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

.data-column {
  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55em;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.68rem;
  color: rgba(69, 194, 122, 0.65);
  line-height: 1.6;
  white-space: nowrap;
  animation: streamScroll var(--scroll-duration, 22s) linear infinite;
  animation-delay: var(--scroll-delay, 0s);
}

@keyframes streamScroll {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.data-column:nth-child(1) { left: 2%;  --scroll-duration: 20s; --scroll-delay: 0s;   }
.data-column:nth-child(2) { left: 14%; --scroll-duration: 26s; --scroll-delay: -8s;  }
.data-column:nth-child(3) { left: 28%; --scroll-duration: 18s; --scroll-delay: -3s;  }
.data-column:nth-child(4) { left: 44%; --scroll-duration: 23s; --scroll-delay: -11s; }
.data-column:nth-child(5) { left: 60%; --scroll-duration: 21s; --scroll-delay: -6s;  }
.data-column:nth-child(6) { left: 74%; --scroll-duration: 28s; --scroll-delay: -14s; }
.data-column:nth-child(7) { left: 88%; --scroll-duration: 19s; --scroll-delay: -2s;  }


/* ── GHOST WORD ───────────────────────────────────────── */
.platform-section {
  position: relative;
  overflow: hidden;
}

.ghost-word {
  position: absolute;
  bottom: -0.1em; left: -0.05em;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(5rem, 16vw, 14rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  color: rgba(69, 194, 122, 0.04);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1.4s ease-out, transform 1.4s ease-out;
}

.ghost-word.visible {
  opacity: 1;
  transform: translateY(0);
}

.platform-section-inner {
  position: relative;
  z-index: 1;
}


/* ── PAGE LAYOUT ──────────────────────────────────────── */
.platform-page {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}


/* ── HERO ─────────────────────────────────────────────── */
.platform-header {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 4rem;
  align-items: start;
  padding-bottom: 5rem;
}

.platform-status-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--platform-green);
  box-shadow: 0 0 8px var(--platform-green-dim);
  animation: statusPulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(69,194,122,0.4); }
  50%       { opacity: 0.7; box-shadow: 0 0 16px rgba(69,194,122,0.2); }
}

.status-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--platform-green-text);
}

.platform-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin: 0 0 1.25rem 0;
  color: var(--text-primary);
}

.platform-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.45;
  margin: 0 0 1.75rem 0;
}

.platform-spec-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.spec-item {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.75;
}

.spec-sep {
  opacity: 0.25;
  font-size: 0.6rem;
}

.platform-intro {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--text-muted);
  opacity: 0.62;
  margin: 0 0 1.1rem 0;
}

.platform-intro--vision {
  opacity: 0.78;
}

.platform-intro--coda {
  font-weight: 500;
  opacity: 0.88;
  color: rgba(255, 255, 255, 0.88);
  border-left: 2px solid var(--platform-green-border);
  padding-left: 1.25rem;
}


/* ── SHARED SECTION CHROME ────────────────────────────── */
.platform-section {
  padding: 4.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
}

.platform-section-inner--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--platform-green-border);
  background: var(--platform-green-glow);
  white-space: nowrap;
}

.section-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(1.1rem, 2.5vw, 1.65rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0;
}

.section-intro {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-muted);
  opacity: 0.62;
  max-width: 72ch;
  margin: 0 0 2rem 0;
}

.body-copy {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--text-muted);
  opacity: 0.63;
  margin: 0 0 1.3rem 0;
  max-width: 64ch;
}

.body-copy:last-child { margin-bottom: 0; }

.body-copy--lead {
  font-weight: 500;
  font-size: 1.02rem;
  opacity: 0.85;
}

.body-copy--emphasis {
  opacity: 0.88;
  color: rgba(255, 255, 255, 0.88);
  border-left: 2px solid var(--platform-green-border);
  padding-left: 1.25rem;
  margin-left: -1.25rem;
}


/* ── NODE TOPOLOGY DIAGRAM ────────────────────────────── */
.node-topology {
  border: 1px solid var(--platform-green-border);
  background: var(--platform-green-glow);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  position: sticky;
  top: 6rem;
}

.topo-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--platform-green-border);
  background: var(--platform-green-dim);
}

.topo-ascii {
  display: block;
  margin: 0;
  padding: 1.5rem 1.25rem;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--platform-green-text);
  opacity: 0.85;
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}

.topo-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--platform-green-border);
  background: var(--platform-green-dim);
}

.topo-status-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.8;
}

.topo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--platform-green);
  animation: statusPulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}


/* ── INFERENCE COLUMNS ────────────────────────────────── */
.inference-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.07);
  margin-bottom: 0;
}

.inference-col {
  padding: 2rem 1.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.25s ease;
}

.inference-col:last-child { border-right: none; }

.inference-col:hover { background: rgba(255, 255, 255, 0.015); }

.inference-col--highlight {
  border-left: 2px solid var(--platform-green-border);
  background: var(--platform-green-glow);
}

.inference-col--highlight:hover { background: var(--platform-green-dim); }

.inference-col-icon {
  font-size: 0.85rem;
  color: var(--platform-green-text);
  opacity: 0.55;
  margin-bottom: 0.75rem;
  display: block;
}

.inference-col--highlight .inference-col-icon { opacity: 1; }

.inference-col-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem 0;
}

.inference-col--highlight .inference-col-heading {
  color: var(--platform-green-text);
}

.inference-col-body {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.82rem;
  line-height: 1.68;
  opacity: 0.58;
  margin: 0;
}

/* Node Zero proof strip */
.inference-proof {
  border: 1px solid var(--platform-green-border);
  border-top: none;
  background: var(--platform-green-dim);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.proof-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.75;
  white-space: nowrap;
}

.proof-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
}

.proof-spec {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  opacity: 0.55;
}

.proof-sep {
  opacity: 0.25;
  font-size: 0.6rem;
}

.highlight-spec {
  color: var(--platform-green-text);
  opacity: 1;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}


/* ── ROUTING CONSOLE ──────────────────────────────────── */
.routing-console {
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(0, 0, 0, 0.25);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  position: sticky;
  top: 6rem;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
}

.console-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.8;
}

.console-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  opacity: 0.35;
}

.console-body {
  padding: 0.5rem 0;
}

.console-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.38rem 1rem;
  transition: background 0.15s ease;
}

.console-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

.console-dot {
  font-size: 0.55rem;
  color: var(--platform-green);
  flex-shrink: 0;
}

.console-dot--pending {
  color: rgba(255, 255, 255, 0.25);
}

.console-source {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.4;
}

.console-row--active .console-source { opacity: 0.72; }

.console-row--pending .console-source {
  opacity: 0.35;
  font-style: italic;
}


/* ── EVIDENCE LAYER ───────────────────────────────────── */
.evidence-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.evidence-receipt {
  border: 1px solid var(--platform-green-border);
  background: rgba(0, 0, 0, 0.3);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  position: sticky;
  top: 6rem;
}

.receipt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--platform-green-border);
  background: var(--platform-green-dim);
}

.receipt-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platform-green-text);
}

.receipt-status {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.6;
}

.receipt-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.75rem;
  padding: 0.48rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  align-items: baseline;
}

.receipt-row:last-child { border-bottom: none; }

.receipt-row--highlight { background: rgba(255, 255, 255, 0.02); }

.receipt-row--decision {
  background: var(--platform-green-glow);
  border-top: 1px solid var(--platform-green-border);
}

.receipt-row--controls {
  background: rgba(255, 255, 255, 0.015);
}

.receipt-key {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.65;
}

.receipt-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  opacity: 0.6;
  word-break: break-all;
}

.receipt-val--permit {
  color: var(--platform-green-bright);
  font-weight: 700;
  opacity: 1;
  letter-spacing: 0.12em;
}


/* ── NOT THIS SECTION ─────────────────────────────────── */
.platform-not-this {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  padding: 4.5rem 0;
}

.not-this-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.not-this-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.35;
}

.not-this-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(1.2rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0;
}

.not-this-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.not-this-item {
  padding: 2rem 2.5rem 2rem 0;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.not-this-item:nth-child(2) {
  padding-left: 2.5rem;
  padding-right: 0;
  border-right: none;
}

.not-this-item:nth-child(3) {
  border-bottom: none;
  padding-top: 2rem;
  padding-bottom: 0;
}

.not-this-item:nth-child(4) {
  padding-left: 2.5rem;
  padding-right: 0;
  border-right: none;
  border-bottom: none;
  padding-top: 2rem;
  padding-bottom: 0;
}

.not-this-item-heading {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.85rem 0;
}

.not-this-x {
  color: var(--platform-green-text);
  opacity: 0.6;
  font-size: 1.1rem;
  font-weight: 300;
}

.not-this-item-body {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.86rem;
  line-height: 1.72;
  opacity: 0.55;
  margin: 0;
}


/* ── CTA ──────────────────────────────────────────────── */
.platform-cta {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
  padding: 4rem 0 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.cta-eyebrow {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platform-green-text);
  opacity: 0.8;
  margin-bottom: 0.75rem;
}

.cta-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0 0 1rem 0;
}

.cta-body {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--text-muted);
  opacity: 0.6;
  margin: 0;
  max-width: 55ch;
}

.cta-button {
  display: block;
  width: fit-content;
  padding: 0.9rem 1.8rem;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--platform-green-text);
  border: 1px solid var(--platform-green-border);
  background: var(--platform-green-glow);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  margin-bottom: 1.25rem;
}

.cta-button:hover {
  border-color: var(--platform-green);
  background: var(--platform-green-dim);
  color: var(--platform-green-bright);
}

.cta-button:focus-visible {
  outline: 2px solid var(--platform-green);
  outline-offset: 4px;
}

.cta-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  line-height: 1.8;
  color: var(--text-muted);
  opacity: 0.38;
  margin: 0;
}


/* ── SCROLL DOTS ──────────────────────────────────────── */
.scroll-dots {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 100;
}

.scroll-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s ease, transform 0.3s ease;
}

.scroll-dot.active {
  background: var(--platform-green);
  transform: scale(1.4);
  box-shadow: 0 0 8px var(--platform-green-dim);
}

.scroll-dot:hover { background: var(--platform-green-text); }


/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .platform-header,
  .platform-section-inner--split,
  .evidence-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .routing-console,
  .evidence-receipt,
  .node-topology {
    position: static;
  }

  .inference-cols {
    grid-template-columns: 1fr;
    border: 1px solid rgba(255, 255, 255, 0.07);
  }

  .inference-col {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .inference-col:last-child { border-bottom: none; }

  .not-this-grid { grid-template-columns: 1fr; }

  .not-this-item,
  .not-this-item:nth-child(2),
  .not-this-item:nth-child(3),
  .not-this-item:nth-child(4) {
    padding: 1.75rem 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .not-this-item:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
  .platform-cta { grid-template-columns: 1fr; }
  .topo-ascii { font-size: 0.62rem; }
  .scroll-dots { display: none; }
}


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ghost-word { opacity: 1; transform: none; }
  .data-stream-layer { opacity: 0.04; }
}