/* ============================================================
   DeSci Onboarding Hub — one-pager
   Editorial style: warm parchment, ink-blue, terracotta accent.
   Serif-led (Spectral), mono labels (JetBrains Mono). No AI imagery.
   ============================================================ */

:root {
  --parchment:   #f5f4ed;
  --ivory:       #faf9f5;
  --sand:        #ece9dd;
  --sand-deep:   #e3dfce;

  --ink:         #1B365D;
  --ink-hover:   #24467a;
  --ink-deep:    #13233b;
  --ink-night:   #0f1c30;

  --rust:        #bc4a2b;
  --rust-deep:   #9e3c20;

  --near-black:  #1a1916;
  --olive:       #504e49;
  --stone:       #6b6a64;
  --silver:      #b3afa3;
  --silver-dim:  #8d897d;

  --border:      #e3e0d3;
  --border-soft: #ebe9dd;
  --border-dark: #2a3a52;

  --serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --mono:  'JetBrains Mono', 'SF Mono', 'Fira Code', Consolas, monospace;

  --container: 1080px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--serif);
  background: var(--parchment);
  color: var(--near-black);
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

em { font-style: italic; }
strong { font-weight: 600; color: var(--near-black); }
a { color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- shared section scaffolding ---------- */

.section { padding: 92px 0; position: relative; }

.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 20px;
}
.section-label.light { color: #e0875f; }
.section-label::before { content: '— '; opacity: 0.55; }

.section-heading {
  font-family: var(--serif);
  font-size: clamp(32px, 4.4vw, 46px);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--near-black);
}
.section-heading.light { color: var(--ivory); }

.section-lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--olive);
  max-width: 640px;
  margin-top: 20px;
}
.section-lede.light { color: var(--silver); }

.refs {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--stone);
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 7px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease),
              color 0.18s var(--ease), box-shadow 0.18s var(--ease);
  white-space: nowrap;
}
.btn-lg { font-size: 14px; padding: 15px 28px; }
.btn-mini { font-size: 12px; padding: 9px 16px; }

.btn-ink { background: var(--ink); color: var(--ivory); }
.btn-ink:hover { background: var(--ink-hover); transform: translateY(-2px); }

.btn-rust { background: var(--rust); color: #fff7f0; }
.btn-rust:hover { background: var(--rust-deep); transform: translateY(-2px); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--sand-deep); }
.btn-ghost:hover { border-color: var(--ink); background: var(--ivory); transform: translateY(-2px); }

.btn-ghost-dark { background: transparent; color: var(--ivory); border-color: var(--border-dark); }
.btn-ghost-dark:hover { border-color: #e0875f; color: #f3c4ad; transform: translateY(-2px); }

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(245, 244, 237, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark { width: 26px; height: 26px; flex-shrink: 0; }
.logo-text {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--near-black);
}
.logo-text em { font-style: normal; color: var(--rust); }

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--olive);
  transition: color 0.16s;
}
.nav-links a:hover { color: var(--rust); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--parchment);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease), padding 0.3s var(--ease);
}
.nav-mobile.open { max-height: 320px; padding: 10px 32px 22px; }
.nav-mobile a {
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  color: var(--olive);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile a:last-child { border-bottom: none; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  padding: 152px 0 70px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 70% 62% at 32% 38%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 62% at 32% 38%, #000 0%, transparent 78%);
}
.hero-body { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--ivory);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 100px;
}
.eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rust);
  box-shadow: 0 0 0 0 rgba(188, 74, 43, 0.5);
  animation: pulse 2.6s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(188, 74, 43, 0.45); }
  70%  { box-shadow: 0 0 0 9px rgba(188, 74, 43, 0); }
  100% { box-shadow: 0 0 0 0 rgba(188, 74, 43, 0); }
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 28px 0 0;
}
.hero-title em { color: var(--ink); font-style: italic; }

.hero-desc {
  font-size: 20px;
  line-height: 1.62;
  color: var(--olive);
  max-width: 620px;
  margin-top: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.meta-item { display: flex; align-items: baseline; gap: 12px; }
.meta-num {
  font-family: var(--serif);
  font-size: 46px;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.meta-label {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--stone);
}
.meta-sep { width: 1px; height: 38px; background: var(--border); }

.hero-foot {
  position: relative;
  max-width: var(--container);
  margin: 60px auto 0;
  padding: 18px 32px 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--stone);
  border-top: 1px solid var(--border);
}

/* ============================================================
   PROBLEM — three failures
   ============================================================ */

.problem-section { background: var(--parchment); }

.fail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.fail {
  background: var(--ivory);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 26px 30px;
  transition: box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
}
.fail:nth-child(2) { transform: translateY(26px); }
.fail:hover { box-shadow: 0 14px 38px rgba(26, 25, 22, 0.07); }
.fail:nth-child(2):hover { transform: translateY(24px); }

.fail-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--rust);
}
.fail-stat {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--stone);
  margin: 16px 0 14px;
  line-height: 1.1;
}
.fail-stat .big {
  font-size: 52px;
  color: var(--ink);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.fail-text { font-size: 15.5px; line-height: 1.62; color: var(--olive); }

/* ============================================================
   SHIFT — augmentation + compare
   ============================================================ */

.shift-section { background: var(--ivory); border-top: 1px solid var(--border); }

.shift-head {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: end;
}
.shift-text {
  font-size: 18px;
  line-height: 1.66;
  color: var(--olive);
  padding-bottom: 6px;
}
.shift-text em { color: var(--ink); font-style: italic; }

.compare {
  margin-top: 46px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--parchment);
}
.compare-row {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1.3fr;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > span { padding: 18px 22px; font-size: 15.5px; line-height: 1.5; }
.compare-axis {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--stone);
  background: var(--sand);
  display: flex;
  align-items: center;
}
.compare-a { color: var(--olive); border-left: 1px solid var(--border); }
.compare-b {
  color: var(--near-black);
  border-left: 1px solid var(--border);
  background: var(--ivory);
}
.compare-head > span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 14px; padding-bottom: 14px;
}
.compare-head .compare-a { color: var(--stone); }
.compare-head .compare-b { color: var(--ink); font-weight: 500; }
.compare-head .compare-axis { background: var(--sand-deep); }

/* ============================================================
   WHAT IS DESCI — three parts
   ============================================================ */

.desci-section { background: var(--parchment); border-top: 1px solid var(--border); }

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 48px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--ivory);
}
.part {
  padding: 34px 30px 36px;
  border-right: 1px solid var(--border);
  transition: background 0.2s var(--ease);
}
.part:last-child { border-right: none; }
.part:hover { background: var(--parchment); }
.part-mark {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--rust);
  letter-spacing: 0.08em;
}
.part h3 {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  margin: 14px 0 2px;
  color: var(--near-black);
}
.part-sub {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 14px;
}
.part p:last-child { font-size: 15.5px; line-height: 1.62; color: var(--olive); }

/* ============================================================
   SOVEREIGNTY — layer stack
   ============================================================ */

.sov-section { background: var(--ivory); border-top: 1px solid var(--border); }

.layers {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.layer {
  display: flex;
  background: var(--parchment);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.layer:hover { transform: translateX(6px); box-shadow: 0 12px 30px rgba(26,25,22,0.07); }
/* progressive indent — a literal stack, foundation widest */
.layer-3 { margin: 0 64px; }
.layer-2 { margin: 0 32px; }
.layer-1 { margin: 0; }

.layer-edge {
  flex-shrink: 0;
  width: 78px;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.layer-2 .layer-edge { background: var(--rust); }
.layer-n {
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 500;
  color: var(--ivory);
  letter-spacing: 0.02em;
}
.layer-body { padding: 22px 28px; }
.layer-body h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  color: var(--near-black);
  margin-bottom: 9px;
}
.layer-body p { font-size: 15px; line-height: 1.58; color: var(--olive); margin-top: 4px; }
.lk {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: #e4ecf5;
  padding: 2px 7px;
  border-radius: 3px;
  margin-right: 8px;
}
.layer-2 .lk { color: var(--rust-deep); background: #f4e0d7; }

/* ============================================================
   CHALLENGES — dark
   ============================================================ */

.challenge-section {
  background: var(--ink-deep);
  border-top: 1px solid var(--ink-deep);
}
.limit-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  overflow: hidden;
}
.limit {
  display: flex;
  gap: 18px;
  padding: 26px 28px;
  background: var(--ink-deep);
}
.limit:last-child { grid-column: 1 / -1; }
.limit-n {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: #e0875f;
  padding-top: 3px;
}
.limit h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--ivory);
  margin-bottom: 6px;
}
.limit p { font-size: 14.5px; line-height: 1.6; color: var(--silver); }

/* ============================================================
   LADDER — three rungs
   ============================================================ */

.ladder-section { background: var(--parchment); border-top: 1px solid var(--border); }

.ladder {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: start;
}
.rung {
  background: var(--ivory);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-bottom: 3px solid var(--ink);
  padding: 26px 26px 28px;
  position: relative;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.rung-1 { margin-top: 64px; }
.rung-2 { margin-top: 32px; }
.rung-3 { border-bottom-color: var(--rust); }
.rung:hover { transform: translateY(-5px); box-shadow: 0 16px 36px rgba(26,25,22,0.08); }

.rung-stage {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rust);
}
.rung h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--near-black);
  margin: 9px 0 10px;
}
.rung p { font-size: 15px; line-height: 1.6; color: var(--olive); }

.ladder-note {
  margin-top: 38px;
  font-size: 16px;
  line-height: 1.68;
  color: var(--olive);
  max-width: 760px;
  padding-left: 18px;
  border-left: 2.5px solid var(--ink);
}

/* ============================================================
   PATHS
   ============================================================ */

.paths-section { background: var(--ivory); border-top: 1px solid var(--border); }

.paths-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 46px;
}
.path {
  background: var(--parchment);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 28px 28px;
  position: relative;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.path::before {
  content: '';
  position: absolute;
  left: 0; top: 26px; bottom: 26px;
  width: 3px;
  background: var(--rust);
  border-radius: 3px;
}
.path:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(26,25,22,0.07); }
.path h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  color: var(--near-black);
  margin-bottom: 8px;
}
.path p { font-size: 15px; line-height: 1.6; color: var(--olive); }

/* ============================================================
   ECOSYSTEM
   ============================================================ */

.eco-section { background: var(--parchment); border-top: 1px solid var(--border); }

.eco-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.eco-text {
  font-size: 17px;
  line-height: 1.66;
  color: var(--olive);
  margin-top: 22px;
}
.eco-cross {
  background: var(--ivory);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px 30px 14px;
  margin-top: 6px;
}
.cross-title {
  font-size: 16px;
  line-height: 1.6;
  color: var(--near-black);
  margin-bottom: 18px;
}
.myth-list { list-style: none; }
.myth-list li {
  font-size: 15px;
  line-height: 1.58;
  color: var(--olive);
  padding: 16px 0;
  border-top: 1px solid var(--border-soft);
}
.myth-list li:first-of-type { border-top: none; }
.strike {
  color: var(--stone);
  text-decoration: line-through;
  text-decoration-color: var(--rust);
  text-decoration-thickness: 2px;
  font-weight: 600;
}

/* ============================================================
   SUPPORT / CTA — dark
   ============================================================ */

.support-section { background: var(--ink-night); padding-bottom: 0; }

.support-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.support-inner .section-label { color: #e0875f; }
.support-title {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ivory);
  margin-top: 6px;
}
.support-sub {
  font-family: var(--serif);
  font-size: 22px;
  color: #e0875f;
  margin-top: 12px;
}
.support-desc {
  font-size: 17px;
  line-height: 1.64;
  color: var(--silver);
  margin: 22px auto 0;
  max-width: 560px;
}

.support-steps {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.sstep {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--ink-deep);
  border: 1px solid var(--border-dark);
  border-radius: 100px;
  padding: 9px 18px 9px 9px;
  font-size: 13.5px;
  color: var(--silver);
  text-align: left;
}
.sstep-n {
  font-family: var(--mono);
  font-size: 13px;
  width: 26px; height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--rust);
  color: #fff7f0;
  border-radius: 50%;
}

.support-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.site-footer {
  margin-top: 70px;
  border-top: 1px solid var(--border-dark);
  padding: 28px 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--silver-dim);
}
.footer-links { display: flex; gap: 22px; }
.footer-links a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.16s;
}
.footer-links a:hover { color: #e0875f; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

.anim-fade-up, .anim-label, .anim-slide {
  opacity: 0;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}
.anim-fade-up { transform: translateY(26px); }
.anim-label  { transform: translateY(10px); }
.anim-slide  { transform: translateX(-24px); }
.anim-fade-up.visible,
.anim-label.visible,
.anim-slide.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }
  .nav-inner .btn-mini { display: none; }
  .nav-inner { gap: 0; justify-content: space-between; }

  .shift-head { grid-template-columns: 1fr; gap: 22px; }
  .eco-grid { grid-template-columns: 1fr; gap: 34px; }
  .parts-grid { grid-template-columns: 1fr; }
  .part { border-right: none; border-bottom: 1px solid var(--border); }
  .part:last-child { border-bottom: none; }
}

@media (max-width: 780px) {
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .container { padding: 0 22px; }
  .nav-inner { padding: 12px 22px; }

  .hero { padding: 124px 0 56px; }
  .hero-title { font-size: clamp(38px, 11vw, 52px); }
  .hero-desc { font-size: 18px; }
  .hero-foot { padding: 18px 22px 0; }
  .hero-meta { gap: 18px; }
  .meta-num { font-size: 38px; }

  .fail-grid { grid-template-columns: 1fr; gap: 16px; }
  .fail:nth-child(2) { transform: none; }
  .fail:nth-child(2):hover { transform: none; }

  .compare-row { grid-template-columns: 1fr; }
  .compare-row > span { border-left: none !important; }
  .compare-axis { padding-bottom: 6px; }
  .compare-head { display: none; }
  .compare-a::before { content: 'Traditional — '; font-family: var(--mono); font-size: 11px; color: var(--stone); }
  .compare-b::before { content: 'DeSci — '; font-family: var(--mono); font-size: 11px; color: var(--ink); }

  .layer-1, .layer-2, .layer-3 { margin: 0; }
  .layers { gap: 12px; }

  .limit-list { grid-template-columns: 1fr; }
  .limit:last-child { grid-column: auto; }

  .ladder { grid-template-columns: 1fr; gap: 14px; }
  .rung-1, .rung-2, .rung-3 { margin-top: 0; }

  .paths-grid { grid-template-columns: 1fr; }

  .section-lede { font-size: 17px; }
  .support-steps .sstep { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .anim-fade-up, .anim-label, .anim-slide { opacity: 1; transform: none; transition: none; }
  .eyebrow .dot { animation: none; }
}