/* ═══════════════════════════════════════════════════════
   NDF ABOUT PAGE — Page Styles
   Inherits global tokens from /style.css
   ABOUT accent: warm stone — the most human page on the site
   Near-invisible data stream — this page breathes
   Root-relative reference confirmed
   ═══════════════════════════════════════════════════════ */

/* ── ABOUT COLOR TOKENS ───────────────────────────────── */
:root {
  --about-stone:        #A8A098;
  --about-stone-bright: #C0B8AF;
  --about-stone-dim:    rgba(168, 160, 152, 0.12);
  --about-stone-border: rgba(168, 160, 152, 0.28);
  --about-stone-glow:   rgba(168, 160, 152, 0.06);
  --about-stone-text:   rgba(168, 160, 152, 0.85);
}


/* ── DATA STREAM — near invisible ─────────────────────── */
.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(168, 160, 152, 0.6);
  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: 24s; --scroll-delay: 0s;   }
.data-column:nth-child(2) { left: 14%; --scroll-duration: 30s; --scroll-delay: -9s;  }
.data-column:nth-child(3) { left: 28%; --scroll-duration: 22s; --scroll-delay: -4s;  }
.data-column:nth-child(4) { left: 44%; --scroll-duration: 27s; --scroll-delay: -13s; }
.data-column:nth-child(5) { left: 60%; --scroll-duration: 25s; --scroll-delay: -7s;  }
.data-column:nth-child(6) { left: 74%; --scroll-duration: 32s; --scroll-delay: -16s; }
.data-column:nth-child(7) { left: 88%; --scroll-duration: 21s; --scroll-delay: -2s;  }


/* ── GHOST WORD ───────────────────────────────────────── */
.about-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(168, 160, 152, 0.04);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  white-space: nowrap;
  transform: translateY(var(--parallax, 0px));
  transition: opacity 3s ease-out, transform 1.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

/* Hide ghost words for the reveal animation only when JS is active.
   Without JS they stay visible (progressive enhancement). */
html.js .ghost-word {
  opacity: 0;
}

html.js .ghost-word.visible {
  opacity: 1;
}

/* Hero ghost word — slightly smaller, sits behind the header */
.ghost-word--hero {
  font-size: clamp(4rem, 12vw, 10rem);
}


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


/* ── HERO ─────────────────────────────────────────────── */
.about-header {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 4rem;
  align-items: start;
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.about-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(3rem, 6vw, 5.5rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin: 0 0 2rem 0;
  color: var(--text-primary);
}

.about-entity-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.about-entity-name {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-stone-text);
}

.about-entity-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.4;
}

.about-lede {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 1rem 0;
  opacity: 0.55;
}

.about-lede--body {
  opacity: 0.75;
}

.about-lede--coda {
  font-style: italic;
  font-size: 0.95rem;
  margin-top: 1.5rem;
  opacity: 0.5;
}


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

.about-section-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 4rem;
  align-items: start;
}

.about-section-inner--split {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.section-label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-stone-text);
  opacity: 0.7;
  padding-top: 0.35rem;
}


/* ── BODY COPY ────────────────────────────────────────── */
.body-copy {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--text-muted);
  opacity: 0.65;
  margin: 0 0 1.4rem 0;
  max-width: 68ch;
}

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

.body-copy--lead {
  font-weight: 500;
  font-size: 1.05rem;
  opacity: 0.85;
}

.body-copy--emphasis {
  color: rgba(255, 255, 255, 0.88);
  opacity: 0.85;
  border-left: 2px solid var(--about-stone-border);
  padding-left: 1.25rem;
  margin-left: -1.25rem;
}

.body-copy--callout {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 1;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.25rem;
}


/* ── BUILD SECTION ────────────────────────────────────── */
.about-build .about-section-inner {
  grid-template-columns: 1fr 380px;
  gap: 4rem;
}

.build-copy-col .section-label {
  display: block;
  margin-bottom: 2rem;
}

/* Node Zero card */
.node-zero-card {
  border: 1px solid var(--about-stone-border);
  background: var(--about-stone-glow);
  position: sticky;
  top: 6rem;
}

.nzc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--about-stone-border);
  background: var(--about-stone-dim);
}

.nzc-label {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--about-stone-text);
}

.nzc-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border: 1px solid var(--about-stone-border);
  color: var(--about-stone-text);
  opacity: 0.8;
}

.nzc-rows {
  display: flex;
  flex-direction: column;
}

.nzc-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.75rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  align-items: baseline;
}

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

.nzc-row--highlight {
  background: var(--about-stone-dim);
}

.nzc-key {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--about-stone-text);
  opacity: 0.75;
}

.nzc-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  opacity: 0.65;
  line-height: 1.4;
}

.nzc-footnote {
  font-family: 'Barlow', sans-serif;
  font-style: italic;
  font-weight: 300;
  font-size: 0.68rem;
  line-height: 1.6;
  color: var(--text-muted);
  opacity: 0.38;
  margin: 0;
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}


/* ── PRINCIPAL SECTION ────────────────────────────────── */
.about-principal {
  overflow: visible;
}

.principal-left .section-label {
  display: block;
  margin-bottom: 2rem;
}

.principal-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem 0;
}

.principal-handle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--about-stone-text);
  opacity: 0.6;
  margin: 0 0 1.5rem 0;
}

.principal-role {
  font-family: 'Barlow', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  line-height: 1.55;
  opacity: 0.65;
  margin: 0 0 1.25rem 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.principal-entity {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-muted);
  opacity: 0.45;
  margin: 0 0 1.75rem 0;
}

.principal-contact {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--about-stone-text);
  border-bottom: 1px solid var(--about-stone-border);
  padding-bottom: 0.15rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.principal-contact:hover {
  color: var(--about-stone-bright);
  border-color: var(--about-stone);
}

/* Career block */
.career-rule {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: 1.5rem 0;
}

.career-row {
  padding: 0 0 0.25rem 0;
}

.career-row--current .career-org::after {
  content: " — current";
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-stone-text);
  opacity: 0.7;
  margin-left: 0.5rem;
}

.career-org {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.career-detail {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.8rem;
  line-height: 1.65;
  opacity: 0.5;
}

.career-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.career-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.35);
}


/* ── MINIMAL CTA ──────────────────────────────────────── */
.about-cta {
  position: relative;
  z-index: 1;
  padding: 4rem 0 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
  text-align: center;
}

.about-cta-inner {
  max-width: 480px;
  margin: 0 auto;
}

.about-cta-text {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-muted);
  opacity: 0.5;
  margin: 0 0 0.75rem 0;
}

.about-cta-link {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
  transition: color 0.2s ease;
}

.about-cta-link:hover {
  color: var(--about-stone-bright);
}

.about-cta-secondary {
  margin: 0;
}

.about-site-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--about-stone-text);
  opacity: 0.5;
  text-transform: uppercase;
  transition: opacity 0.2s ease;
}

.about-site-link:hover {
  opacity: 0.8;
}


/* ── 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(--about-stone);
  transform: scale(1.4);
}

.scroll-dot:hover {
  background: var(--about-stone-text);
}


/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 960px) {
  .about-header {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-section-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-section-inner--split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-build .about-section-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .node-zero-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .body-copy--emphasis {
    margin-left: 0;
  }

  .scroll-dots {
    display: none;
  }

  .about-cta {
    text-align: left;
  }
}


/* ── REDUCED MOTION ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ghost-word,
  html.js .ghost-word {
    opacity: 1 !important;
    transform: none !important;
  }

  .reveal,
  html.js .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}


/* ═══════════════════════════════════════════════════════
   NEW NARRATIVE — component styles + motion
   ═══════════════════════════════════════════════════════ */

/* ── Scroll reveal ───────────────────────────────────────
   Progressive enhancement: content is visible by default.
   The hidden state only applies once JS confirms it can
   reveal content on scroll (html.js is added by an inline
   script in <head>). If JS is missing or broken, content
   simply shows without animation. */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 2.4s cubic-bezier(0.22, 1, 0.36, 1),
    transform 2.4s cubic-bezier(0.22, 1, 0.36, 1);
}

html.js .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for list/grid children */
.capability-grid .reveal:nth-child(2) { transition-delay: 0.20s; }
.capability-grid .reveal:nth-child(3) { transition-delay: 0.40s; }
.capability-grid .reveal:nth-child(4) { transition-delay: 0.60s; }
.capability-grid .reveal:nth-child(5) { transition-delay: 0.80s; }
.capability-grid .reveal:nth-child(6) { transition-delay: 1.00s; }

.eval-list .reveal:nth-child(2) { transition-delay: 0.16s; }
.eval-list .reveal:nth-child(3) { transition-delay: 0.32s; }
.eval-list .reveal:nth-child(4) { transition-delay: 0.48s; }
.eval-list .reveal:nth-child(5) { transition-delay: 0.64s; }
.eval-list .reveal:nth-child(6) { transition-delay: 0.80s; }
.eval-list .reveal:nth-child(7) { transition-delay: 0.96s; }

.control-stack .reveal:nth-child(2) { transition-delay: 0.22s; }
.control-stack .reveal:nth-child(3) { transition-delay: 0.44s; }
.control-stack .reveal:nth-child(4) { transition-delay: 0.66s; }

.manifesto .reveal:nth-child(2) { transition-delay: 0.28s; }
.manifesto .reveal:nth-child(3) { transition-delay: 0.56s; }
.manifesto .reveal:nth-child(4) { transition-delay: 0.84s; }


/* ── Hero CTAs ─────────────────────────────────────────── */
.about-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.about-cta-button {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--black);
  background: var(--about-stone);
  padding: 0.9rem 1.4rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.about-cta-button:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.about-cta-button--ghost {
  background: transparent;
  color: var(--about-stone-text);
  border: 1px solid var(--about-stone-border);
}

.about-cta-button--ghost:hover {
  color: var(--about-stone-bright);
  border-color: var(--about-stone);
  opacity: 1;
}


/* ── Capability grid (BUILT) ───────────────────────────── */
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--about-stone-border);
  border: 1px solid var(--about-stone-border);
  margin: 1.5rem 0;
}

.capability-item {
  background: var(--black);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.capability-name {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-stone-text);
}

.capability-desc {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-muted);
  opacity: 0.6;
}


/* ── Evaluation list (DESIGNED) ────────────────────────── */
.eval-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--about-stone-border);
  margin: 1.5rem 0;
}

.eval-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  align-items: baseline;
}

.eval-key {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-stone-text);
}

.eval-val {
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text-muted);
  opacity: 0.7;
}


/* ── Control stack (CONTROLLED) ────────────────────────── */
.control-stack {
  margin: 1.5rem 0;
}

.control-line {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.5rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  align-items: baseline;
}

.control-line:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.control-line-key {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-stone-text);
  opacity: 0.8;
}

.control-line-val {
  font-family: 'Barlow', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}


/* ── Manifesto (MISSION) ───────────────────────────────── */
.manifesto {
  margin: 2rem 0 0;
  border-left: 2px solid var(--about-stone-border);
  padding-left: 1.5rem;
}

.manifesto-line {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: rgba(255, 255, 255, 0.92);
}


/* ── Briefing footer line ──────────────────────────────── */
.about-briefing .about-cta-secondary {
  margin-top: 2rem;
}


/* ── Responsive (new components) ───────────────────────── */
@media (max-width: 768px) {
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .eval-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .control-line {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .about-hero-ctas {
    flex-direction: column;
    align-items: flex-start;
  }
}