/* ============================================================
   X VENTURES GLOBAL — The Vault Lock
   Canvas: paper white (per clinical-ai reference)
   Ink: near-black grotesk · Petrol lives in the glass
   Accent: #FF5A1F — fiducial, active arm, links only
   ============================================================ */

:root {
  --bg: #F4F5F3;
  --ink: #101214;
  --muted: #4D6067;
  --line: rgba(16, 18, 20, 0.14);
  --bar: #22292C;
  --accent: #FF5A1F;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-sans: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;

  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
  --dur-default: 200ms;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; text-decoration: none; }

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

/* film grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ top bar (dark rounded, per reference) ============ */

/* ---- liquid glass core (bar + pillar panels) ---- */

.bar,
.step,
.open-layer,
.hero-meta {
  border: 1px solid rgba(255, 255, 255, 0.65);
  background:
    radial-gradient(100% 90% at 0% 0%, rgba(255, 255, 255, 0.48), transparent 62%),
    linear-gradient(125deg, rgba(255, 255, 255, 0.3), rgba(244, 249, 249, 0.16) 48%, rgba(206, 225, 230, 0.22));
  -webkit-backdrop-filter: blur(10px) saturate(1.25);
  backdrop-filter: blur(10px) saturate(1.25);
  box-shadow:
    0 20px 55px -22px rgba(30, 45, 51, 0.22),
    0 4px 12px -6px rgba(30, 45, 51, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 1px rgba(49, 83, 94, 0.16),
    inset 1px 0 1px rgba(255, 255, 255, 0.75);
  overflow: hidden;
}

/* iridescent rim (gradient border via mask-composite) */
.bar::before,
.step::before,
.open-layer::before,
.hero-meta::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.98),
    rgba(150, 200, 225, 0.38) 28%,
    rgba(255, 255, 255, 0.12) 52%,
    rgba(240, 206, 170, 0.3) 78%,
    rgba(255, 255, 255, 0.92));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

/* diagonal sheen across the top-left corner */
.bar::after,
.step::after,
.open-layer::after,
.hero-meta::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(115deg,
      rgba(255, 255, 255, 0.18),
      rgba(255, 255, 255, 0) 28%),
    radial-gradient(90% 60% at 88% 104%,
      rgba(255, 255, 255, 0.22),
      rgba(255, 255, 255, 0) 60%);
  pointer-events: none;
}

.bar > *,
.step > *,
.open-layer > *,
.hero-meta > * { position: relative; z-index: 1; }

.bar {
  position: fixed;
  top: 14px;
  left: 14px;
  right: 14px;
  z-index: 40;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 26px;
  border-radius: 18px;
  color: var(--ink);
}

.bar-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.bar-nav {
  display: flex;
  gap: 4px;
}

.bar-nav button,
.bar-nav a {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 600 14px/1 var(--font-sans);
  letter-spacing: 0.02em;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.bar-nav button:hover,
.bar-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.55); }

.bar-cta {
  font: 500 12px/1 var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 11px 18px;
  border: 1px solid rgba(16, 18, 20, 0.3);
  border-radius: 999px;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.bar-cta:hover { background: rgba(255,255,255,0.55); border-color: var(--ink); color: var(--ink); }

/* ============ the pinned stage ============ */

.track { height: 600vh; position: relative; }

.stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: radial-gradient(ellipse at 35% 50%, rgba(191, 214, 221, 0.23), transparent 53%);
}

/* headline behind the glass */
.hero-back {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-word {
  position: absolute;
  top: 10vh;
  left: 3.5vw;
  font-size: clamp(76px, 15.4vw, 246px);
  font-weight: 560;
  letter-spacing: -0.022em;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
}

/* the lock */
.dial-wrap {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 41%;
  transform: translate(-50%, -50%);
  width: min(96vh, 76vw);
  aspect-ratio: 1;
}

#dial { position: relative; width: 100%; height: 100%; display: block; overflow: visible; }

/* real refraction: backdrop blur masked to the X silhouette, rotates with the cross */
.dial-glass {
  position: absolute;
  inset: 0;
  pointer-events: none;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 900 900'%3E%3Cg fill='%23fff'%3E%3Cg transform='rotate(45 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(-45 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(-135 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(135 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Ccircle cx='450' cy='450' r='78'/%3E%3C/g%3E%3C/svg%3E") center / 100% 100% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 900 900'%3E%3Cg fill='%23fff'%3E%3Cg transform='rotate(45 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(-45 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(-135 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Cg transform='rotate(135 450 450)'%3E%3Crect x='392' y='52' width='116' height='336' rx='46'/%3E%3C/g%3E%3Ccircle cx='450' cy='450' r='78'/%3E%3C/g%3E%3C/svg%3E") center / 100% 100% no-repeat;
  -webkit-backdrop-filter: blur(5px) saturate(1.2) brightness(1.03);
  backdrop-filter: blur(5px) saturate(1.2) brightness(1.03);
}

.armLabel {
  font: 500 23px var(--font-mono);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  fill: rgba(35, 60, 70, 0.7);
  text-anchor: middle;
}

#ticks line { stroke: rgba(16, 18, 20, 0.2); }
#ticks line.major { stroke: rgba(16, 18, 20, 0.38); }

#nums text {
  font: 500 15px var(--font-mono);
  fill: var(--muted);
  text-anchor: middle;
  opacity: 0.55;
}

.armHot { transition: opacity 380ms var(--ease-in-out); }

/* hero foreground */
.hero-front {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hero-meta {
  position: absolute;
  right: 4.5vw;
  top: 50%;
  transform: translateY(-50%);
  width: 37vw;
  box-sizing: border-box;
  padding: 42px 46px;
  border-radius: 30px;
}

.hero-kicker {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.09em;
  color: var(--accent);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(36px, 3.65vw, 64px);
  font-weight: 560;
  letter-spacing: -0.022em;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 18px;
  text-wrap: balance;
}


.hero-meta .hero-sub {
  margin-top: 20px;
  max-width: 36ch;
  font-size: clamp(16px, 1.15vw, 18px);
  font-weight: 400;
  line-height: 1.55;
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  text-wrap: pretty;
}

.hero-global {
  position: absolute;
  right: 3.5vw;
  bottom: 4.5vh;
  font-size: clamp(52px, 7.6vw, 122px);
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1;
  user-select: none;
}

.hero-cue {
  position: absolute;
  left: 4vw;
  bottom: 5vh;
  display: flex;
  align-items: center;
  gap: 12px;
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.cue-line {
  width: 44px;
  height: 1px;
  background: var(--muted);
  transform-origin: left center;
  animation: cue 2.4s var(--ease-in-out) infinite;
}

@keyframes cue {
  0%, 100% { transform: scaleX(0.35); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 1; }
}

/* the four pillars */
.steps {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  right: 4.5vw;
  width: 37vw;
}

.step {
  position: absolute;
  top: 50%;
  width: 100%;
  opacity: 0;
  visibility: hidden;
}

/* pillar panel geometry (glass surface comes from the shared core above) */
.step,
.open-layer {
  box-sizing: border-box;
  padding: 42px 46px;
  border-radius: 30px;
}

/* giant numerals living BEHIND the glass panels */
.step-ghost {
  position: absolute;
  right: -1vw;
  top: 50%;
  font-size: clamp(220px, 26vw, 400px);
  font-weight: 620;
  letter-spacing: -0.05em;
  line-height: 1;
  color: rgba(30, 57, 67, 0.12);
  user-select: none;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.step-index {
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 22px;
}

.step-name {
  font-size: clamp(54px, 6vw, 100px);
  font-weight: 560;
  letter-spacing: -0.022em;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 26px;
}

.step-lead {
  font-size: clamp(19px, 1.7vw, 25px);
  font-weight: 560;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin-bottom: 14px;
  text-wrap: balance;
}

.step-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 30px;
  text-wrap: pretty;
}

.step-link,
.pillar-next a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 14px var(--font-sans);
  letter-spacing: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 6px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.step-link::after,
.pillar-next a::after {
  content: "\2192";
  font-family: var(--font-sans);
  transition: transform var(--dur-fast) var(--ease-out);
}

.step-link:hover,
.pillar-next a:hover { color: var(--accent); border-color: var(--accent); }

.step-link:hover::after,
.pillar-next a:hover::after { transform: translateX(4px); }

/* unlocked */
.open-layer {
  position: absolute;
  z-index: 3;
  top: 50%;
  right: 4.5vw;
  width: 37vw;
  opacity: 0;
  visibility: hidden;
}

.open-title {
  font-size: clamp(84px, 10vw, 168px);
  font-weight: 620;
  letter-spacing: -0.025em;
  line-height: 0.92;
  margin: 18px 0 20px;
}

.open-cta {
  display: inline-block;
  margin-top: 26px;
  font: 500 13px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--bar);
  border-radius: 999px;
  padding: 17px 28px;
  transition: background-color var(--dur-fast) var(--ease-out), transform 90ms var(--ease-out);
}

.open-cta:hover { background: var(--accent); }
.open-cta:active { transform: scale(0.98); }

/* dial readout */
.readout {
  position: absolute;
  z-index: 3;
  left: 4vw;
  bottom: 5vh;
  display: flex;
  align-items: baseline;
  gap: 14px;
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  opacity: 0;
  visibility: hidden;
}

#deg {
  color: var(--ink);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

/* ============ outro ============ */

.outro {
  position: relative;
  z-index: 4;
  background: var(--bg);
  padding: 20vh 4vw 40px;
}

.outro-kicker {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.09em;
  color: var(--muted);
  margin-bottom: 24px;
}

.outro-talk {
  display: inline-flex;
  align-items: baseline;
  gap: 2.5vw;
  font-size: clamp(60px, 9.5vw, 150px);
  font-weight: 560;
  letter-spacing: -0.025em;
  line-height: 1;
  transition: color var(--dur-default) var(--ease-out);
}

.outro-arrow {
  display: inline-block;
  transition: transform var(--dur-default) var(--ease-out);
}

.outro-talk:hover,
.outro-talk.hot { color: var(--accent); }
.outro-talk:hover .outro-arrow,
.outro-talk.hot .outro-arrow { transform: translateX(1.2vw); }

.footer {
  margin-top: 16vh;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-nav { display: flex; gap: 26px; }

.footer-nav a {
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-nav a:hover { color: var(--accent); }

.footer-note {
  font-size: 13px;
  letter-spacing: 0.015em;
  color: var(--muted);
}

/* ============ pillar pages ============ */

.pillar {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: calc(64px + 14px + 8vh) 4vw 40px;
}

.pillar-index {
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 20px;
}

.pillar-title {
  font-size: clamp(72px, 14vw, 220px);
  font-weight: 560;
  letter-spacing: -0.022em;
  line-height: 0.95;
  text-transform: uppercase;
}

.pillar-grid {
  margin-top: 7vh;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
  gap: 6vw;
  align-items: start;
}

.pillar-mark { width: min(24vw, 260px); justify-self: center; opacity: 0.7; }

.pillar-lead {
  font-size: clamp(22px, 2.1vw, 30px);
  font-weight: 560;
  letter-spacing: -0.008em;
  line-height: 1.28;
  margin-bottom: 22px;
  text-wrap: balance;
}

.pillar-body {
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 58ch;
  text-wrap: pretty;
}

.pillar-body + .pillar-body { margin-top: 14px; }

.pillar-next { margin-top: 42px; }

/* notes list (think) */
.notes {
  margin-top: 6vh;
  border-top: 1px solid var(--line);
}

.note {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur-fast) var(--ease-out);
}

.note:hover { color: var(--accent); }

.note-date {
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.note-title {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 560;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.note-status {
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
}

.pillar .footer { margin-top: auto; padding-top: 28px; }
.pillar-spacer { flex: 1; min-height: 10vh; }

/* Typography: sculptural headings, comfortable reading, precise metadata. */
.hero-word, .hero-title, .hero-global, .step-name, .step-ghost,
.open-title, .outro-talk, .pillar-title, .pillar-lead, .note-title {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.055em;
}
.hero-title { text-transform: none; line-height: 1.05; }
.hero-word { font-weight: 600; letter-spacing: -0.065em; }
.hero-global { font-weight: 500; letter-spacing: -0.06em; }
.step-lead { font-weight: 600; }
.hero-meta { pointer-events: auto; }
.hero-kicker { color: var(--muted); letter-spacing: 0.015em; line-height: 1.7; }
.kicker-divider { margin: 0 0.3em; color: var(--accent); }
.hero-link { display: inline-flex; gap: 24px; align-items: center; margin-top: 24px; font-size: 14px; font-weight: 600; }
.hero-link span { font-size: 20px; }
.hero-link:hover { color: var(--accent); }
.bar-nav [aria-current] { color: var(--ink); background: rgba(255,255,255,0.5); }
.step-index, .pillar-index { color: #B83C12; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 14px 20px; background: var(--ink); color: white; border-radius: 8px; }
.skip-link:focus { top: 20px; }
#contact { scroll-margin-top: 110px; }
.pillar-title { font-weight: 500; }
.pillar-grid { max-width: 1320px; }
.pillar-body { max-width: 61ch; }
.footer-nav { flex-wrap: wrap; }
.open-cta { text-transform: none; font-family: var(--font-sans); font-size: 14px; letter-spacing: 0; }

/* The journal is a continuous reading thread, with a quiet date rail. */
.thinking .pillar-grid { margin-top: 40px; }
.thinking .pillar-lead { max-width: 28ch; }
.thinking .pillar-mark { width: min(16vw, 190px); }
.journal { margin-top: 70px; }
.journal-heading { display: flex; justify-content: space-between; gap: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); align-items: baseline; }
.journal-heading h2 { font: 500 13px var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; }
.journal-heading a { font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.thread { max-width: 1120px; }
.thread-post { display: grid; grid-template-columns: 170px minmax(0, 760px); gap: 46px; padding: 48px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 120px; }
.thread-meta { position: relative; font: 400 12px/1.7 var(--font-mono); color: var(--muted); }
.thread-meta time { display: block; }
.thread-source { display: block; margin-top: 10px; }
.thread-content { position: relative; min-width: 0; }
.thread-content::before { content: ""; position: absolute; left: -28px; top: 10px; bottom: -49px; width: 1px; background: var(--line); }
.thread-content::after { content: ""; position: absolute; left: -31px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--bg); border: 1px solid #70868E; }
.thread-post:last-child .thread-content::before { bottom: 0; }
.thread-title { font: 500 clamp(24px, 2.4vw, 36px)/1.2 var(--font-display); letter-spacing: -0.04em; margin-bottom: 24px; text-wrap: pretty; }
.thread-body { font-size: 17px; line-height: 1.85; color: #34484F; overflow-wrap: anywhere; }
.thread-body p + p { margin-top: 1.2em; }
.thread-body a { text-decoration: underline; text-underline-offset: 3px; }
.thread-link { display: inline-block; font-size: 14px; font-weight: 600; margin-top: 24px; text-decoration: underline; text-underline-offset: 5px; }
.thread-link:hover, .journal-heading a:hover { color: #B83C12; }
.journal-empty { max-width: 600px; padding: 50px 0; font-size: 18px; color: var(--muted); }
.journal-empty a { display: inline-block; margin-top: 20px; color: var(--ink); border-bottom: 1px solid var(--ink); }

@media (max-width: 1100px) and (min-width: 961px) {
  .hero-meta, .step, .open-layer { padding: 30px; }
}

@media (max-width: 960px) {
  .bar { height: 94px; padding: 10px 18px 42px; top: 10px; left: 10px; right: 10px; border-radius: 18px; gap: 12px; }
  .bar-nav { display: flex; position: absolute; bottom: 6px; left: 8px; right: 8px; justify-content: space-around; }
  .bar-nav a { font-size: 14px; padding: 9px 16px; }
  .bar-cta { font-size: 12px; padding: 9px 14px; }
  .hero-word { top: 125px; left: 4vw; font-size: 14vw; }
  .dial-wrap { top: 37%; left: 50%; width: min(60svh, 92vw); }
  .hero-meta, .steps, .open-layer { right: 5vw; left: 5vw; width: auto; }
  .hero-meta { top: auto; bottom: 6svh; transform: none; padding: 24px; border-radius: 22px; }
  .hero-title { font-size: clamp(32px, 5.8vw, 50px); }
  .hero-kicker { margin-bottom: 12px; }
  .hero-meta .hero-sub { margin-top: 14px; max-width: 50ch; }
  .hero-link { margin-top: 18px; }
  .hero-global { display: none; }
  .hero-cue { left: 5vw; bottom: 2svh; font-size: 12px; letter-spacing: 0.08em; }
  .steps { top: auto; bottom: 6svh; }
  .step, .open-layer { padding: 24px; border-radius: 22px; }
  .step { top: auto; bottom: 0; }
  .step-ghost { top: auto; bottom: 140px; right: -2vw; font-size: 42vw; }
  .step-name { font-size: clamp(44px, 9vw, 68px); margin-bottom: 16px; }
  .step-lead { margin-bottom: 10px; font-size: 20px; }
  .step-desc { font-size: 16px; margin-bottom: 22px; }
  .step-index { margin-bottom: 12px; }
  .open-layer { top: auto; bottom: 6svh; }
  .open-title { font-size: clamp(64px, 17vw, 110px); }
  .readout { display: none; }
  .pillar { padding: 150px 5vw 28px; }
  .pillar-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .pillar-mark { width: 130px; justify-self: start; }
  .thinking .pillar-mark { display: none; }
  .pillar-body { font-size: 17px; }
  .thread-post { grid-template-columns: 115px minmax(0, 1fr); gap: 32px; }
  .thread-content::before { left: -18px; }
  .thread-content::after { left: -21px; }
  .footer-nav { gap: 20px; }
}

@media (max-width: 540px) {
  .bar-nav a { padding-inline: 12px; }
  .hero-title { font-size: 35px; }
  .hero-meta, .step, .open-layer { padding: 22px; }
  .hero-meta .hero-sub { font-size: 16px; line-height: 1.65; }
  .dial-wrap { top: 34%; width: min(56svh, 92vw); }
  .hero-word { top: 124px; }
  .hero-kicker { font-size: 12px; }
  .pillar-title { font-size: 21vw; }
  .pillar-lead { font-size: 26px; }
  .journal { margin-top: 48px; }
  .journal-heading { align-items: start; flex-direction: column; gap: 12px; }
  .thread-post { grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 30px 0 30px 22px; }
  .thread-meta { display: flex; gap: 16px; flex-wrap: wrap; }
  .thread-source { margin: 0; }
  .thread-body { font-size: 16px; }
  .thread-title { margin-bottom: 18px; }
  .outro { padding-top: 12vh; }
}

/* A static reading flow is the fallback for no JS, reduced motion and short screens. */
html:not(.vault-ready) .track, html.reduced-motion .track { height: auto; }
html:not(.vault-ready) .stage, html.reduced-motion .stage { position: relative; height: auto; overflow: visible; padding: 155px 5vw 60px; }
html:not(.vault-ready) .hero-back, html.reduced-motion .hero-back,
html:not(.vault-ready) .hero-global, html.reduced-motion .hero-global,
html:not(.vault-ready) .hero-cue, html.reduced-motion .hero-cue,
html:not(.vault-ready) .step-ghost, html.reduced-motion .step-ghost,
html:not(.vault-ready) .readout, html.reduced-motion .readout { display: none; }
html:not(.vault-ready) .dial-wrap, html.reduced-motion .dial-wrap { position: relative; width: min(65vw, 470px); top: auto; left: auto; margin: 0 auto 36px; transform: none !important; }
html:not(.vault-ready) .hero-front, html.reduced-motion .hero-front,
html:not(.vault-ready) .hero-meta, html.reduced-motion .hero-meta,
html:not(.vault-ready) .steps, html.reduced-motion .steps,
html:not(.vault-ready) .step, html.reduced-motion .step,
html:not(.vault-ready) .open-layer, html.reduced-motion .open-layer { position: relative; inset: auto; width: 100%; max-width: 740px; height: auto; opacity: 1 !important; visibility: visible !important; transform: none !important; margin: 0 auto 26px; }
html:not(.vault-ready) .step, html.reduced-motion .step { scroll-margin-top: 125px; }
html:not(.vault-ready) .hero-title, html.reduced-motion .hero-title { font-size: clamp(32px, 5vw, 60px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .bar, .hero-meta, .step, .open-layer { background: rgba(244, 247, 246, 0.96); }
}

.thread-entry > summary { list-style: none; cursor: pointer; }
.thread-entry > summary::-webkit-details-marker { display: none; }
.thread-entry > summary:hover .thread-title { color: #B83C12; }
.thread-entry > summary .thread-title { margin-bottom: 14px; }
.thread-toggle { display: inline-flex; gap: 14px; align-items: center; font-size: 13px; color: var(--muted); }
.toggle-icon { font: 400 22px var(--font-display); }
.close-label { display: none; }
.thread-entry[open] .close-label { display: inline; }
.thread-entry[open] .read-label { display: none; }
.thread-entry[open] .toggle-icon { transform: rotate(45deg); }
.thread-entry[open] .thread-body { margin-top: 28px; }
.thread-body h4 { font: 500 24px/1.3 var(--font-display); margin: 34px 0 18px; letter-spacing: -0.025em; }
.thread-body h5 { font: 600 18px/1.5 var(--font-sans); margin: 26px 0 14px; }
.thread-body ul { padding-left: 1.2em; margin-bottom: 24px; }
.thread-body li { margin-bottom: 14px; }
.thread-body { overflow-wrap: anywhere; }
.thread-post[hidden], .topic-tools[hidden] { display: none; }
.topic-filters { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.topic-filters a { display: inline-flex; align-items: baseline; gap: 7px; padding: 10px 0; font-size: 13px; color: var(--muted); border-bottom: 1px solid transparent; }
.topic-filters a span { font: 400 10px var(--font-mono); opacity: 0.7; }
.topic-filters a:hover, .topic-filters a[aria-current] { color: #B83C12; border-bottom-color: currentColor; }
.topic-status { margin-top: 14px; color: var(--muted); font: 400 11px var(--font-mono); }
.thread-tags { display: flex; flex-wrap: wrap; gap: 8px 12px; margin-top: 16px; }
.thread-tags a { font: 500 11px/1.5 var(--font-sans); color: #B83C12; text-decoration: underline; text-decoration-color: rgba(184,60,18,0.25); text-underline-offset: 4px; }
.thread-tags a:hover { text-decoration-color: currentColor; }
#journal-title { scroll-margin-top: 110px; }
.thread-permalink { margin-left: 20px; color: var(--muted); font: 400 14px var(--font-mono); }
.projects { margin-top: 70px; max-width: 1120px; }
.projects > h2 { font: 500 13px var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.project-row { display: grid; grid-template-columns: 70px 1fr 40px; gap: 20px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--line); }
.project-number { font: 400 12px var(--font-mono); color: var(--muted); }
.project-row h3 { font: 500 30px var(--font-display); letter-spacing: -0.04em; margin-bottom: 8px; }
.project-row p { color: var(--muted); font-size: 16px; max-width: 60ch; }
.project-arrow { font-size: 26px; }
.project-row:hover h3, .project-row:hover .project-arrow { color: #B83C12; }
@media (max-width: 540px) { .project-row { grid-template-columns: 28px 1fr 24px; gap: 12px; } }

/* Detail pages reuse the same optical layers as the main vault. */
.detail-dial { position: relative; width: min(29vw, 370px); aspect-ratio: 1; justify-self: center; align-self: center; }
.detail-dial-number { position: absolute; inset: 0; display: grid; place-items: center; font: 500 clamp(100px, 14vw, 185px)/1 var(--font-display); letter-spacing: -0.08em; color: rgba(49, 80, 91, 0.12); }
.detail-dial #dial { z-index: 1; }
.detail-dial .dial-glass { z-index: 0; }
.project-row .project-date { font: 400 12px/1.6 var(--font-mono); color: var(--muted); margin-bottom: 12px; }
.project-row .project-aside { margin-top: 12px; font-size: 15px; }
.project-tag { display: inline-block; vertical-align: middle; font: 400 12px/1.5 var(--font-mono); color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 5px 10px; letter-spacing: 0; }
.project-row h3 .project-tag { margin-left: 12px; }
.project-stealth .project-arrow { display: none; }
.past-projects { margin-top: 60px; }
.advisory-since { float: right; color: var(--muted); font-size: 12px; text-transform: none; letter-spacing: 0; }
.advisory-work .project-row { grid-template-columns: 70px 1fr; }
.mobile-rail { display: none; }

@media (max-width: 960px) {
  .bar { height: 58px; padding: 0 18px; }
  .bar-nav { display: none; }
  .mobile-rail {
    display: block; position: fixed; z-index: 45;
    left: max(4px, env(safe-area-inset-left)); top: 50%; transform: translateY(-50%);
    width: 18px; padding: 0 0 0 3px;
    pointer-events: none;
    text-shadow: 0 1px 3px rgba(244,245,243,0.95);
  }
  .rail-links { display: grid; gap: 0; }
  .rail-links a { position: relative; display: block; height: clamp(44px, 7svh, 56px); color: var(--muted); pointer-events: auto; }
  .rail-label { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-90deg); white-space: nowrap; font-size: 10px; line-height: 1; font-weight: 500; }
  .rail-index { display: none; }
  .rail-links a[aria-current] { color: #B83C12; }
  .rail-links a[aria-current] .rail-label { font-weight: 700; }
  .rail-links a:hover { color: #B83C12; }
  .rail-depth { position: relative; height: 36px; font: 400 9px/1 var(--font-mono); color: var(--muted); }
  #scrollDepth { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-90deg); white-space: nowrap; }
  .rail-depth > span:first-child { display: none; }
  .scroll-progress { appearance: none; -webkit-appearance: none; position: absolute; left: 3px; top: 15px; width: 2px; height: calc(100% - 30px); border: 0; border-radius: 3px; overflow: hidden; background: rgba(35,62,72,0.1); writing-mode: vertical-lr; }
  .scroll-progress::-webkit-progress-bar { background: transparent; }
  .scroll-progress::-webkit-progress-value { background: #B83C12; }
  .scroll-progress::-moz-progress-bar { background: #B83C12; }
  /* The visual rail grows vertically; native progress retains accessible semantics. */
  .scroll-progress { opacity: 0; }
  .mobile-rail::before, .mobile-rail::after { content: ''; position: absolute; left: 0; top: 15px; bottom: 15px; width: 1px; background: rgba(35,62,72,0.1); pointer-events: none; }
  .mobile-rail::after { background: #B83C12; transform: scaleY(var(--page-progress, 0)); transform-origin: top; }
  .pillar { padding: 112px 5vw 28px; }
  .pillar-grid { margin-top: 36px; }
  .detail-dial { width: min(100%, 310px); justify-self: center; }
  .detail-dial-number { font-size: clamp(100px, 23vw, 155px); }
  .thinking .detail-dial { width: min(100%, 230px); }
  .hero-word { top: 104px; left: 4vw; font-size: 14vw; }
  .dial-wrap { left: 50%; width: min(60svh, 92vw); }
  .hero-meta, .steps, .open-layer { left: 5vw; right: 5vw; }
  .hero-meta, .step, .open-layer { padding: 22px; max-height: calc(100svh - 120px); overflow-y: auto; }
  .hero-cue { left: 5vw; font-size: 12px; letter-spacing: 0; gap: 8px; }
  .cue-line { width: 22px; }
  .outro { padding-left: 5vw; padding-right: 5vw; }
  .outro-talk { font-size: clamp(38px, 8vw, 70px); }
  .footer-nav { gap: 12px 18px; }
  .thread-post { grid-template-columns: minmax(0,1fr); gap: 18px; padding: 30px 0 30px 22px; }
  .thread-meta { display: flex; gap: 14px; flex-wrap: wrap; }
  .thread-source { margin: 0; }
  .project-row, .advisory-work .project-row { grid-template-columns: minmax(0,1fr) auto; gap: 12px; }
  .project-number { display: none; }
  .project-row h3 .project-tag { margin: 8px 0 0; display: table; }
  .project-row h3 { font-size: 28px; }
  .advisory-since { float: none; display: block; margin-top: 8px; }
  html:not(.vault-ready) .stage, html.reduced-motion .stage { padding: 112px 5vw 40px; }
  html:not(.vault-ready) .dial-wrap, html.reduced-motion .dial-wrap { width: 100%; }
}
@media (max-width: 540px) {
  .pillar { padding-right: 5vw; padding-left: 5vw; }
  .pillar-title { font-size: clamp(44px, 14vw, 76px); }
  .pillar-lead { font-size: 23px; }
  .hero-title { font-size: 30px; }
  .hero-meta, .step, .open-layer { padding: 18px; }
  .hero-cue .cue-line { display: none; }
  .step-name { font-size: 42px; }
  .step-lead { font-size: 19px; }
  .step-ghost { font-size: 45vw; }
  .journal-heading { flex-direction: column; align-items: start; gap: 12px; }
}