/* ==========================================================================
   BELER Carbon Accounting System — ces.ceitasl.com/beler
   Design system: editorial-scientific "Standard". Warm paper + forest green.
   Fraunces (display) · IBM Plex Sans (body) · IBM Plex Mono (data/labels)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Greens */
  --green:        #1F6F43;   /* mandated primary */
  --green-deep:   #0F3D24;   /* immersive dark sections */
  --green-deeper: #0A2D1B;
  --green-bright: #2E9D63;
  --green-mid:    #357A52;
  --sage:         #8AA396;

  /* Paper / ink */
  --paper:        #F6F3EA;   /* warm document base */
  --paper-2:      #FBFAF4;   /* lighter cards */
  --paper-band:   #EDE8DA;   /* soft section band */
  --ink:          #14201A;   /* near-black, green-tinted */
  --ink-soft:     #41504A;
  --ink-faint:    #6E7A73;
  --line:         #DAD3C2;   /* hairlines on paper */
  --line-soft:    #E6E0D2;

  /* On-dark — tuned for WCAG AA on the green-deep gradients (≥4.5:1) */
  --on-dark:      #EDEFE9;
  --on-dark-soft: #D4E0D9;   /* brightened from #C3D4CA for better perceived contrast on dark sections */
  --on-dark-faint:#9DB2A6;
  --line-dark:    rgba(183, 216, 196, .16);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:    "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Rhythm */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(64px, 8.5vw, 116px);
  --nav-h: 70px;
  --radius: 14px;
  --radius-sm: 8px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-sm: 0 1px 2px rgba(20,32,26,.05), 0 6px 18px -10px rgba(20,32,26,.18);
  --shadow-md: 0 2px 6px rgba(20,32,26,.06), 0 22px 48px -22px rgba(20,32,26,.30);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scrollbar-gutter: stable; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(1rem, .96rem + .2vw, 1.075rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
sub { font-size: .68em; }

a { color: var(--green); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--green-bright); }

::selection { background: rgba(46,157,99,.24); color: var(--ink); }

:focus-visible {
  outline: 2.5px solid var(--green-bright);
  outline-offset: 3px;
  border-radius: 3px;
}

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.mono { font-family: var(--font-mono); font-weight: 500; letter-spacing: .01em; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--green-deep); color: var(--on-dark);
  padding: 10px 16px; border-radius: var(--radius-sm);
  font: 500 .9rem var(--font-sans); transition: top .2s var(--ease);
}
.skip-link:focus { top: 16px; color: var(--on-dark); }

/* ==========================================================================
   NAV
   ========================================================================== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  box-shadow: 0 10px 30px -24px rgba(20,32,26,.5);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--green-deep); }
.brand:hover { color: var(--green); }
.brand__mark { display: inline-flex; color: var(--green); }
.brand.is-light, .brand--footer { color: var(--on-dark); }
.brand--footer .brand__mark { color: var(--green-bright); }
.brand__word {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.36rem; letter-spacing: .04em;
  font-variation-settings: "opsz" 30;
}
.brand__tm { font-size: .58em; vertical-align: super; font-weight: 500; opacity: .65; }

.nav__menu { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav__menu a {
  font-size: .95rem; font-weight: 500; color: var(--ink-soft);
  position: relative; padding: 4px 0;
}
.nav__menu a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1.5px;
  background: var(--green); transform: scaleX(0); transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav__menu a:not(.nav__cta):hover, .nav__menu a.is-active { color: var(--green-deep); }
.nav__menu a:not(.nav__cta):hover::after,
.nav__menu a.is-active::after { transform: scaleX(1); }

.nav__cta {
  background: var(--green-deep); color: var(--on-dark) !important;
  padding: 9px 18px; border-radius: 100px; font-weight: 500;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.nav__cta:hover { background: var(--green); transform: translateY(-1px); }

/* The filled CTA pill carries more visual weight than the plain wordmark on the
   left, so it needs a touch more breathing room to read as balanced. .nav__inner
   shares the .container element, so we extend the base gutter rather than replace
   it — guaranteeing the pill is never flush to the viewport edge. */
@media (min-width: 861px) {
  .nav__inner { padding-right: calc(var(--gutter) + clamp(8px, 1.2vw, 18px)); }
}

.nav__toggle {
  display: none; width: 44px; height: 44px; padding: 11px; border: 0; cursor: pointer;
  background: transparent; flex-direction: column; justify-content: space-between;
}
.nav__toggle span {
  display: block; height: 2px; width: 100%; background: var(--green-deep); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed; inset: 70px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: var(--paper-2); border-bottom: 1px solid var(--line);
    padding: 20px var(--gutter) 30px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .32s var(--ease), opacity .28s var(--ease);
    box-shadow: var(--shadow-md);
  }
  .nav.is-open .nav__menu { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__menu a { font-size: 1.15rem; padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line-soft); }
  .nav__menu a:last-child { border-bottom: 0; }
  .nav__cta { margin-top: 12px; align-self: flex-start; padding: 11px 22px; }
  .nav__menu a:not(.nav__cta)::after { display: none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: clamp(112px, 17vh, 184px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(46,157,99,.10), transparent 55%),
    radial-gradient(90% 80% at -10% 110%, rgba(31,111,67,.07), transparent 50%),
    var(--paper);
  overflow: hidden;
}
.hero__grain { position: absolute; inset: 0; pointer-events: none; opacity: .5;
  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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 76px);
  align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: .8rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; color: var(--green-deep);
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 100px;
  background: color-mix(in srgb, var(--paper-2) 70%, transparent);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green-bright);
  box-shadow: 0 0 0 4px rgba(46,157,99,.18); animation: pulse 2.6s var(--ease) infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(46,157,99,.18);} 50% { box-shadow: 0 0 0 7px rgba(46,157,99,.05);} }

.hero__title {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(2.7rem, 1.6rem + 5.2vw, 5.6rem);
  line-height: .98; letter-spacing: -.018em;
  margin: 26px 0 0;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
}
.hero__title span { display: block; }
.hero__title-em {
  font-style: italic; font-weight: 460; color: var(--green-deep);
  font-variation-settings: "opsz" 144, "SOFT" 4, "WONK" 0;
}
.hero__lede {
  margin-top: 26px; max-width: 36ch;
  font-size: clamp(1.08rem, 1rem + .45vw, 1.32rem);
  line-height: 1.55; color: var(--ink-soft);
}
.hero__lede em { font-style: italic; color: var(--green-deep); font-weight: 500; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans); font-weight: 500; font-size: 1rem;
  padding: 14px 26px; border-radius: 100px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .22s var(--ease), background .22s var(--ease),
    border-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
}
.btn--solid { background: var(--green-deep); color: var(--on-dark); box-shadow: var(--shadow-sm); }
.btn--solid:hover { background: var(--green); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--green-deep); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.btn--ghost svg { transition: transform .25s var(--ease); }
.btn--ghost:hover svg { transform: translateX(3px); }

.hero__stats {
  display: flex; flex-wrap: wrap; gap: 14px 40px; margin-top: 50px;
  padding-top: 26px; border-top: 1px solid var(--line);
}
.hero__stats dt {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px;
}
.hero__stats dd { font-weight: 500; color: var(--green-deep); font-size: 1.02rem; }

/* Hero rings figure */
.hero__figure { position: relative; color: var(--green); display: grid; place-items: center; }
.rings { width: min(100%, 440px); aspect-ratio: 1; overflow: visible; }
.rings__set .ring { transform-box: fill-box; transform-origin: center;
  animation: ringFloat calc(7s + var(--i) * 1.1s) ease-in-out infinite; }
@keyframes ringFloat { 0%,100% { transform: scale(1);} 50% { transform: scale(1.022);} }
.rings__core { animation: corePulse 3s var(--ease) infinite; transform-box: fill-box; transform-origin: center; }
@keyframes corePulse { 0%,100% { transform: scale(1); opacity: 1;} 50% { transform: scale(1.35); opacity: .82;} }

.hero__figure-caption {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  width: min(100%, 440px); margin-top: 14px;
  font-size: .82rem; color: var(--ink-soft);
}
.rings__zero { color: var(--green-deep); }

.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 26px; z-index: 1;
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint);
}
.hero__scroll-line { width: 54px; height: 1px; background: var(--ink-faint); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ""; position: absolute; inset: 0; width: 40%; background: var(--green);
  animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { 0% { transform: translateX(-100%);} 100% { transform: translateX(260%);} }

@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; gap: 8px; }
  .hero__figure { grid-row: 1; max-width: 320px; margin-inline: auto; opacity: .9; }
  .hero__scroll { display: none; }
}

/* ==========================================================================
   SECTION SCAFFOLD + HEADINGS
   ========================================================================== */
.section { padding-block: var(--section-y); position: relative; scroll-margin-top: calc(var(--nav-h) + 18px); }
.hero, #top { scroll-margin-top: var(--nav-h); }
.section--framework { background: var(--paper); }
.section--tpgn { background: var(--paper-band); border-block: 1px solid var(--line-soft); }
.section--sintra { background: var(--paper); }
.section--why { background: var(--paper-band); border-block: 1px solid var(--line-soft); }
.section--roadmap { background: var(--paper); }
.section--resources { background: var(--paper-band); border-top: 1px solid var(--line-soft); }
.section--contact { background: var(--paper); }

.section--dark {
  background:
    radial-gradient(110% 80% at 85% -5%, rgba(46,157,99,.16), transparent 55%),
    radial-gradient(90% 70% at 0% 100%, rgba(46,157,99,.10), transparent 50%),
    var(--green-deep);
  color: var(--on-dark);
}

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 68px); }
.sec-head__kicker {
  display: inline-block; font-size: .8rem; letter-spacing: .06em;
  color: var(--green); margin-bottom: 18px;
  padding-bottom: 8px; border-bottom: 1.5px solid var(--green);
}
.sec-head__title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.85rem, 1.2rem + 2.6vw, 3.1rem);
  line-height: 1.08; letter-spacing: -.012em; color: var(--ink);
  font-variation-settings: "opsz" 80, "SOFT" 0, "WONK" 0;
}
.sec-head__sub { margin-top: 20px; font-size: 1.08rem; color: var(--ink-soft); max-width: 64ch; }
.sec-head--light .sec-head__title { color: var(--on-dark); }
.sec-head--light .sec-head__sub { color: var(--on-dark-soft); }
.sec-head--light .sec-head__kicker { color: var(--green-bright); border-color: var(--green-bright); }
.sec-head--light .sec-head__sub em { color: #fff; font-style: italic; }

/* ==========================================================================
   FRAMEWORK
   ========================================================================== */
.framework__grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px);
  align-items: start; margin-bottom: clamp(48px, 7vw, 88px);
}
.framework__lead p { font-size: 1.12rem; color: var(--ink-soft); margin-bottom: 18px; }
.framework__lead strong { color: var(--green-deep); font-weight: 600; }

.contrast {
  display: grid; gap: 14px; padding: clamp(22px, 3vw, 34px);
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.contrast__row { display: grid; gap: 4px; padding: 18px 22px; border-radius: var(--radius-sm); }
.contrast__row--old { background: var(--paper-band); }
.contrast__row--new { background: var(--green-deep); color: var(--on-dark); }
.contrast__label { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.contrast__verb { font-size: .98rem; opacity: .85; }
.contrast__word { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); line-height: 1; }
.contrast__row--old .contrast__word { color: var(--ink-soft); text-decoration: line-through; text-decoration-thickness: 1.5px; text-decoration-color: rgba(110,122,115,.55); }
.contrast__row--new .contrast__word { color: #fff; }
.contrast__arrow { display: grid; place-items: center; color: var(--green); }
.contrast__arrow svg { transform: rotate(90deg); }

/* Four lenses */
.lenses { margin-bottom: clamp(48px, 7vw, 88px); }
.lenses__intro { font-size: .82rem; letter-spacing: .04em; color: var(--green); text-transform: uppercase;
  padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.lenses__list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.lenses__list li { padding: 26px 24px 26px 0; border-right: 1px solid var(--line); position: relative; }
.lenses__list li:last-child { border-right: 0; }
.lenses__num { display: block; font-size: .78rem; color: var(--green); margin-bottom: 14px; }
.lenses__list h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.3rem; margin-bottom: 8px; }
.lenses__list p { font-size: .96rem; color: var(--ink-soft); padding-right: 16px; }

/* Two pillars */
.pillars__intro { font-size: 1.18rem; color: var(--ink); max-width: 60ch; margin-bottom: 28px; }
.pillars__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pillar {
  display: flex; flex-direction: column; gap: 6px;
  padding: clamp(26px, 3.4vw, 40px); border-radius: var(--radius);
  background: var(--paper-2); border: 1px solid var(--line); color: var(--ink);
  position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.pillar::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--green);
  transform: scaleY(0); transform-origin: top; transition: transform .35s var(--ease);
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-mid); }
.pillar:hover::before { transform: scaleY(1); }
.pillar__tag { font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; color: var(--green); }
.pillar__name { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.4rem, 1.6rem + 2.4vw, 3.4rem);
  letter-spacing: .02em; color: var(--green-deep); line-height: 1; margin-top: 4px; }
.pillar__full { font-size: .92rem; color: var(--ink-faint); font-style: italic; }
.pillar__desc { font-size: 1.02rem; color: var(--ink-soft); margin-top: 10px; }
.pillar__go { margin-top: auto; padding-top: 18px; font-size: .82rem; color: var(--green); transition: letter-spacing .25s var(--ease); }
.pillar:hover .pillar__go { letter-spacing: .04em; }

@media (max-width: 860px) {
  .framework__grid { grid-template-columns: 1fr; }
  .lenses__list { grid-template-columns: 1fr 1fr; }
  .lenses__list li { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px 0; }
  .lenses__list li:nth-child(odd) { padding-right: 20px; }
  .pillars__grid { grid-template-columns: 1fr; }
}
@media (max-width: 460px) { .lenses__list { grid-template-columns: 1fr; } }

/* ==========================================================================
   TPGN ACCORDION
   ========================================================================== */
.tpgn { border-top: 1px solid var(--line); }
.tpgn__item { border-bottom: 1px solid var(--line); }
.tpgn__head {
  width: 100%; display: grid;
  grid-template-columns: auto auto 1fr auto; align-items: center; gap: clamp(14px, 2.4vw, 30px);
  padding: clamp(20px, 2.6vw, 30px) 6px; background: transparent; border: 0; cursor: pointer; text-align: left;
  transition: padding-left .3s var(--ease);
}
.tpgn__head:hover { padding-left: 14px; }
.tpgn__num { font-size: .82rem; color: var(--green); }
.tpgn__abbr {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(1.4rem, 1rem + 1.6vw, 2.1rem);
  color: var(--green-deep); letter-spacing: .02em; min-width: 3.2ch;
}
.tpgn__name { font-size: clamp(1.02rem, .94rem + .5vw, 1.28rem); color: var(--ink); font-weight: 500; }
.tpgn__icon { position: relative; width: 18px; height: 18px; }
.tpgn__icon::before, .tpgn__icon::after {
  content: ""; position: absolute; background: var(--green); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.tpgn__icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.tpgn__icon::after  { top: 0; left: 8px; width: 2px; height: 18px; }
.tpgn__head[aria-expanded="true"] .tpgn__icon::after { transform: scaleY(0); opacity: 0; }
.tpgn__head[aria-expanded="true"] .tpgn__abbr { color: var(--green); }

.tpgn__body { overflow: hidden; height: 0; transition: height .38s var(--ease); }
.tpgn__body-inner { padding: 0 6px clamp(22px, 2.6vw, 30px) calc(3.2ch + clamp(14px, 2.4vw, 30px) + .82rem); }
.tpgn__body-inner p { max-width: 70ch; color: var(--ink-soft); font-size: 1.06rem; }
.tpgn__body-inner strong { color: var(--green-deep); font-weight: 600; }

@media (max-width: 620px) {
  .tpgn__head { grid-template-columns: auto 1fr auto; row-gap: 4px; }
  .tpgn__num { grid-row: 1; }
  .tpgn__name { grid-column: 1 / -1; grid-row: 2; }
  .tpgn__body-inner { padding-left: 6px; }
}

/* ==========================================================================
   SINTRA ACCURACY LADDER
   ========================================================================== */
.ladder { --max: 55; display: grid; gap: 0; }
.ladder__axis {
  display: grid; grid-template-columns: var(--ladder-meta, 230px) 1fr auto;
  align-items: center; gap: clamp(14px, 2vw, 26px);
  padding: 0 4px 14px; margin-bottom: 6px; border-bottom: 1px dashed var(--line);
}
.ladder__axis-label { font-size: .82rem; color: var(--ink-soft); }
.ladder__axis-label:first-child { grid-column: 2; justify-self: start; }
.ladder__axis-center { grid-column: 2; justify-self: center; color: var(--green-deep); font-size: .82rem; }
.ladder__axis-label:last-child { grid-column: 2; justify-self: end; }
/* axis labels share col 2 spread via subgrid-like trick */
.ladder__axis { position: relative; }
.ladder__axis .ladder__axis-label:first-child { position: static; }

.ladder__row {
  display: grid; grid-template-columns: var(--ladder-meta, 230px) 1fr auto;
  align-items: center; gap: clamp(14px, 2vw, 26px);
  width: 100%; text-align: left; cursor: pointer;
  padding: clamp(16px, 2vw, 22px) 4px; border: 0; border-bottom: 1px solid var(--line);
  background: transparent; color: inherit; position: relative;
  transition: background .25s var(--ease);
}
.ladder__row:hover { background: color-mix(in srgb, var(--green) 5%, transparent); }
.ladder__meta { display: flex; flex-direction: column; gap: 3px; }
.ladder__tier { font-size: .74rem; color: var(--green); letter-spacing: .03em; }
.ladder__name { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.02rem, .9rem + .6vw, 1.3rem); color: var(--ink); line-height: 1.1; }

.ladder__track { position: relative; height: 30px; }
.ladder__center-line { position: absolute; left: 50%; top: -4px; bottom: -4px; width: 1px;
  background: var(--green); opacity: .45; }
.ladder__band {
  position: absolute; top: 50%; height: 14px; border-radius: 100px;
  transform: translateY(-50%) scaleX(1); transform-origin: center;
  transition: transform .9s var(--ease);
}
/* Collapse for the reveal animation only when JS will re-expand them */
.js .ladder__band { transform: translateY(-50%) scaleX(0); }
/* widths: full band reaches ±high; inner reaches ±low. % of track width. */
.ladder__band--outer {
  left: calc((var(--max) - var(--high)) / (2 * var(--max)) * 100%);
  width: calc(var(--high) / var(--max) * 100%);
  background: color-mix(in srgb, var(--green) 26%, transparent);
}
.ladder__band--inner {
  left: calc((var(--max) - var(--low)) / (2 * var(--max)) * 100%);
  width: calc(var(--low) / var(--max) * 100%);
  height: 14px;
  background: var(--green);
}
.js .is-revealed .ladder__band { transform: translateY(-50%) scaleX(1); }
.ladder__row:nth-child(2) .ladder__band { transition-delay: .05s; }
.ladder__row:nth-child(3) .ladder__band { transition-delay: .14s; }
.ladder__row:nth-child(4) .ladder__band { transition-delay: .23s; }
.ladder__row:nth-child(5) .ladder__band { transition-delay: .32s; }
.ladder__row:nth-child(6) .ladder__band { transition-delay: .41s; }

.ladder__acc { font-size: .92rem; color: var(--green-deep); white-space: nowrap; min-width: 8ch; text-align: right; }

.ladder__detail { grid-column: 1 / -1; height: 0; overflow: hidden; transition: height .35s var(--ease); }
.ladder__detail-inner { padding-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.ladder__scope { color: var(--ink-soft); font-size: 1.02rem; }
.ladder__users { font-size: .82rem; color: var(--ink-faint); letter-spacing: .01em; }
.ladder__row[aria-expanded="true"] { background: color-mix(in srgb, var(--green) 6%, transparent); }
.ladder__row[aria-expanded="true"] .ladder__name { color: var(--green-deep); }

.ladder__note { margin-top: 30px; color: var(--ink-soft); font-size: 1.02rem; max-width: 70ch; }
.ladder__note .mono { color: var(--green); }

@media (max-width: 760px) {
  .ladder { --ladder-meta: 1fr; }
  .ladder__axis { display: none; }
  .ladder__row { grid-template-columns: 1fr auto; row-gap: 12px; padding-block: 20px; }
  .ladder__track { grid-column: 1 / -1; order: 3; height: 26px; }
  .ladder__acc { order: 2; }
}

/* ==========================================================================
   WHY GRID
   ========================================================================== */
.why__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.why__card {
  padding: clamp(26px, 3vw, 38px); background: var(--paper-2);
  border: 1px solid var(--line); border-radius: var(--radius); position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.why__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why__index {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  border: 1.5px solid var(--green); border-radius: 50%; color: var(--green-deep);
  font-size: .9rem; margin-bottom: 18px;
}
.why__card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.42rem; color: var(--green-deep); margin-bottom: 10px; }
.why__card p { color: var(--ink-soft); font-size: 1.02rem; }
@media (max-width: 720px) { .why__grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   ECOSYSTEM (dark)
   ========================================================================== */
.flywheel {
  display: grid; grid-template-columns: minmax(220px, 280px) 1fr; gap: clamp(28px, 5vw, 64px);
  align-items: center; margin-bottom: clamp(44px, 6vw, 72px);
  padding-bottom: clamp(40px, 5vw, 60px); border-bottom: 1px solid var(--line-dark);
}
.flywheel__hub { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.flywheel__ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px dashed rgba(127,190,156,.4);
  animation: spin 26s linear infinite;
}
.flywheel__ring::after {
  content: ""; position: absolute; inset: 16px; border-radius: 50%;
  border: 1px solid rgba(127,190,156,.18);
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .flywheel__ring { animation: none; } }
.flywheel__hub-label { display: grid; gap: 4px; justify-items: center; text-align: center; z-index: 1; }
.flywheel__hub-label .mono { font-size: .7rem; color: var(--green-bright); letter-spacing: .14em; text-transform: uppercase; }
.flywheel__hub-label strong { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.4rem, 1rem + 1.4vw, 1.9rem); color: #fff; line-height: 1.05; }
.flywheel__hub-license { color: var(--on-dark-soft) !important; font-size: .76rem !important; }

.flywheel__steps { list-style: none; padding: 0; display: grid; gap: 2px; counter-reset: fly; }
.flywheel__steps li {
  display: flex; gap: 16px; align-items: baseline; padding: 14px 0;
  border-bottom: 1px solid var(--line-dark); color: var(--on-dark-soft); font-size: 1.04rem;
}
.flywheel__steps li:last-child { border-bottom: 0; }
.flywheel__steps .mono { color: var(--green-bright); font-size: .82rem; }

.revenue { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.revenue__card {
  display: flex; flex-direction: column; gap: 8px; min-height: 230px;
  padding: 24px 22px; border-radius: var(--radius);
  background: rgba(255,255,255,.035); border: 1px solid var(--line-dark);
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.revenue__card:hover { transform: translateY(-5px); background: rgba(255,255,255,.07); border-color: rgba(127,190,156,.4); }
.revenue__num { font-size: .82rem; color: var(--green-bright); }
.revenue__card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.24rem; color: #fff; line-height: 1.12; }
.revenue__card p { font-size: .92rem; color: var(--on-dark-soft); flex: 1; }
.revenue__stage {
  align-self: flex-start; font-size: .68rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--green-bright); padding: 5px 10px; border: 1px solid rgba(127,190,156,.3); border-radius: 100px;
}
.ecosystem__neutrality {
  margin-top: clamp(34px, 4vw, 50px); padding: 24px 26px; border-radius: var(--radius);
  background: rgba(10,45,27,.5); border: 1px solid var(--line-dark);
  color: var(--on-dark-soft); font-size: 1rem; max-width: 90ch;
}
.ecosystem__neutrality .mono { color: var(--green-bright); }

@media (max-width: 1080px) { .revenue { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) {
  .flywheel { grid-template-columns: 1fr; }
  .flywheel__hub { max-width: 240px; margin-inline: auto; }
}
@media (max-width: 620px) { .revenue { grid-template-columns: 1fr; } .revenue__card { min-height: 0; } }

/* ==========================================================================
   ROADMAP TIMELINE
   ========================================================================== */
.timeline { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.timeline__phase { position: relative; padding: 0 clamp(18px, 2vw, 28px); }
.timeline__phase:first-child { padding-left: 0; }
.timeline__marker {
  position: relative; height: 2px; background: var(--line); margin-bottom: 26px;
}
.timeline__marker::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 14px; height: 14px; border-radius: 50%; background: var(--paper);
  border: 2px solid var(--sage);
}
.timeline__phase--current .timeline__marker { background: var(--green); }
.timeline__phase--current .timeline__marker::before {
  background: var(--green); border-color: var(--green);
  box-shadow: 0 0 0 5px rgba(31,111,67,.16);
}
.timeline__when { font-size: .78rem; color: var(--ink-faint); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.timeline__badge {
  font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; color: #fff;
  background: var(--green); padding: 3px 8px; border-radius: 100px;
}
.timeline__badge--gated { background: var(--ink-soft); }
.timeline__title { font-family: var(--font-display); font-weight: 500; font-size: 1.26rem; color: var(--green-deep); margin-bottom: 16px; line-height: 1.12; }
.timeline__items { list-style: none; padding: 0; display: grid; gap: 10px; }
.timeline__items li { position: relative; padding-left: 18px; font-size: .96rem; color: var(--ink-soft); }
.timeline__items li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--sage); }
.timeline__phase--current .timeline__items li::before { background: var(--green); }

@media (max-width: 900px) {
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline__phase { padding: 0 0 0 30px; }
  .timeline__phase:first-child { padding-left: 30px; }
  .timeline__marker { position: absolute; left: 0; top: 6px; width: 2px; height: 100%; margin: 0; }
  .timeline__marker::before { left: -6px; top: 0; }
  .timeline__phase { padding-bottom: 38px; }
  .timeline__phase:last-child .timeline__marker { height: 22px; }
}

/* ==========================================================================
   RESOURCES
   ========================================================================== */
.resources__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.resource {
  display: flex; flex-direction: column; gap: 12px; color: var(--ink);
  padding: clamp(30px, 4vw, 48px); border-radius: var(--radius);
  border: 1px solid var(--line); position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  min-height: 240px;
}
.resource--paper { background: var(--paper-2); }
.resource--code {
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(46,157,99,.16), transparent 60%),
    var(--green-deep);
  color: var(--on-dark); border-color: transparent;
}
.resource:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.resource--paper:hover { border-color: var(--green-mid); }
.resource__kicker { font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; color: var(--green); }
.resource--code .resource__kicker { color: var(--green-bright); }
.resource__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); line-height: 1.08; }
.resource--paper .resource__title { color: var(--green-deep); }
.resource--code .resource__title { color: #fff; }
.resource p { color: var(--ink-soft); font-size: 1.04rem; flex: 1; }
.resource--code p { color: var(--on-dark-soft); }
.resource__cta { display: inline-flex; align-items: center; gap: 9px; font-weight: 500; margin-top: 6px; }
.resource--paper .resource__cta { color: var(--green-deep); }
.resource--code .resource__cta { color: var(--green-bright); }
.resource__cta svg { transition: transform .25s var(--ease); }
.resource:hover .resource__cta svg { transform: translate(3px, -3px); }
.resources__grid--3 { grid-template-columns: repeat(3, 1fr); }
.resource--calc {
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(46,157,99,.16), transparent 60%),
    linear-gradient(135deg, var(--green-deep) 0%, #0A2D1B 100%);
  color: var(--on-dark); border-color: transparent;
}
.resource--calc .resource__kicker { color: var(--green-bright); }
.resource--calc .resource__title { color: #fff; }
.resource--calc p { color: var(--on-dark-soft); }
.resource--calc .resource__cta { color: var(--green-bright); }
.resource--calc:hover { border-color: rgba(127,190,156,.4); }
@media (max-width: 900px) { .resources__grid--3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .resources__grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 6vw, 80px); align-items: start; }
.contact__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.7rem, 1.2rem + 2vw, 2.7rem); line-height: 1.1; letter-spacing: -.01em; margin: 18px 0 20px; color: var(--ink); }
.contact__text { color: var(--ink-soft); font-size: 1.08rem; max-width: 50ch; margin-bottom: 30px; }
.contact__dl { display: grid; gap: 0; }
.contact__dl > div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.contact__dl > div:first-child { border-top: 1px solid var(--line); }
.contact__dl dt { font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-faint); }
.contact__dl dd { color: var(--ink); font-size: 1.02rem; }
@media (max-width: 820px) { .contact__inner { grid-template-columns: 1fr; } }
@media (max-width: 460px) { .contact__dl > div { grid-template-columns: 1fr; gap: 4px; } }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { padding-block: clamp(48px, 6vw, 76px); }
.footer__top { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; padding-bottom: 30px; border-bottom: 1px solid var(--line-dark); }
.footer__nav { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer__nav a { color: var(--on-dark-soft); font-size: .95rem; }
.footer__nav a:hover { color: #fff; }

.attrib {
  font-family: var(--font-mono); font-size: .82rem; line-height: 1.7;
  color: var(--on-dark-soft); background: rgba(10,45,27,.45);
  border-left: 3px solid var(--green-bright); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 20px; margin: 30px 0; white-space: pre-wrap; word-break: break-word;
}
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: end; }
.footer__legal p { font-size: .85rem; color: var(--on-dark-faint); line-height: 1.7; max-width: 70ch; }
.footer__legal a { color: var(--on-dark-soft); text-decoration: underline; text-decoration-color: rgba(169,187,175,.4); text-underline-offset: 3px; }
.footer__legal a:hover { color: #fff; }
.footer__addr { white-space: normal; }

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
/* Hidden state applies ONLY when JS is active (html.js). Without JS — or before
   the script runs — content is fully visible: progressive enhancement. */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .45s var(--ease), transform .45s var(--ease); will-change: opacity, transform; }
.js .reveal[data-reveal-delay="1"] { transition-delay: .04s; }
.js .reveal[data-reveal-delay="2"] { transition-delay: .08s; }
.js .reveal[data-reveal-delay="3"] { transition-delay: .14s; }
.js .reveal[data-reveal-delay="4"] { transition-delay: .20s; }
.js .reveal[data-reveal-delay="5"] { transition-delay: .26s; }
.js .reveal.is-revealed { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .rings__set .ring, .rings__core, .eyebrow .dot, .hero__scroll-line::after { animation: none !important; }
  .ladder__band { transition: none; }
  .btn, .pillar, .why__card, .revenue__card, .resource { transition: none; }
}

/* Print niceties for the landing page */
@media print {
  .nav, .hero__scroll, .hero__grain { display: none; }
  body { background: #fff; }
  .section--dark { background: #fff !important; color: #000 !important; }
}

/* ==========================================================================
   WHITEPAPER READING VIEW (whitepaper.html)
   ========================================================================== */
.wp-body { background: var(--paper); }

.wp-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .92rem; font-weight: 500; color: var(--ink-soft);
}
.wp-back:hover { color: var(--green); }
.wp-back svg { transition: transform .25s var(--ease); }
.wp-back:hover svg { transform: translateX(-3px); }

.wp-main { padding-top: 70px; }
.wp-wrap { max-width: 820px; margin-inline: auto; padding: 0 var(--gutter); }

/* Wide screens: two-column reading layout — sticky TOC rail + prose column.
   The back link and document header span both columns; below them the TOC sits
   in the left rail and the content in the right column. Narrow screens collapse
   to a single column with the TOC as an inline collapsible block. */
@media (min-width: 1040px) {
  .wp-wrap {
    max-width: 1160px;
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    column-gap: clamp(40px, 4.5vw, 76px);
  }
  .wp-back    { grid-column: 1 / -1; }
  .wp-header  { grid-column: 1 / -1; }
  /* The rail stretches to the full content height so the sticky TOC inside it
     has room to travel; the TOC itself pins near the top as you scroll. */
  .wp-aside   { grid-column: 1; grid-row: 3; }
  .wp-content { grid-column: 2; grid-row: 3; min-width: 0; }
}

/* Header */
.wp-header { padding: clamp(48px, 7vw, 96px) 0 clamp(30px, 4vw, 48px); border-bottom: 2px solid var(--green); position: relative; }
.wp-header::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 90px; height: 2px; background: var(--green-bright);
}
.wp-doc-label { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--green); margin-bottom: 20px; }
.wp-title { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.2rem, 1.5rem + 3.4vw, 3.9rem); line-height: 1.04; letter-spacing: -.015em; color: var(--ink); font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0; }
.wp-sub { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: clamp(1.15rem, 1rem + .8vw, 1.5rem); color: var(--green-deep); margin-top: 14px; }
.wp-meta { display: flex; flex-wrap: wrap; gap: 6px 26px; margin-top: 28px; font-size: .9rem; color: var(--ink-faint); font-family: var(--font-mono); }
.wp-meta b { color: var(--ink); font-weight: 600; }
.wp-badge { display: inline-block; margin-top: 22px; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em;
  color: var(--green-deep); background: var(--paper-2); border: 1px solid var(--green); border-radius: 100px; padding: 6px 14px; }

/* TOC — collapsible card (mobile) / sticky rail (desktop) */
.wp-aside { min-width: 0; }
.wp-toc {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 26px); margin: clamp(34px, 5vw, 54px) 0;
}
.wp-toc > summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--green);
}
.wp-toc > summary::-webkit-details-marker { display: none; }
.wp-toc > summary::marker { content: ""; }
.wp-toc__chev {
  width: 9px; height: 9px; flex: none; margin-right: 2px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg); transition: transform .25s var(--ease);
}
.wp-toc[open] > summary .wp-toc__chev { transform: rotate(-135deg); }
.wp-toc nav { margin-top: 16px; }
.wp-toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; columns: 2; column-gap: 36px; }
.wp-toc li { counter-increment: toc; break-inside: avoid; }
.wp-toc a {
  display: flex; gap: 11px; align-items: baseline; color: var(--ink-soft);
  font-size: .92rem; line-height: 1.4; padding: 6px 9px; border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.wp-toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: .76rem; color: var(--green); flex: none; }
.wp-toc a:hover { color: var(--green-deep); background: color-mix(in srgb, var(--green) 6%, transparent); }
.wp-toc a.is-active {
  color: var(--green-deep); font-weight: 600;
  background: color-mix(in srgb, var(--green) 9%, transparent);
  border-left-color: var(--green);
}
.wp-toc a.is-active::before { color: var(--green-deep); }
@media (max-width: 600px) { .wp-toc ol { columns: 1; } }

/* Desktop: pin the TOC as a single-column rail beside the prose */
@media (min-width: 1040px) {
  .wp-toc {
    position: sticky; top: 90px; margin: clamp(30px, 4vw, 46px) 0 0;
    max-height: calc(100vh - 112px); overflow-y: auto;
  }
  .wp-toc > summary { cursor: default; pointer-events: none; }
  .wp-toc__chev { display: none; }
  .wp-toc ol { columns: 1; }
}

/* Back-to-top button — hidden until scrolled, revealed by main.js */
.to-top {
  position: fixed; right: clamp(16px, 3vw, 34px); bottom: clamp(16px, 3vw, 34px); z-index: 90;
  display: inline-grid; place-items: center; width: 46px; height: 46px;
  border: 1px solid var(--line); border-radius: 50%; cursor: pointer;
  background: color-mix(in srgb, var(--paper-2) 88%, transparent); color: var(--green-deep);
  backdrop-filter: saturate(1.4) blur(8px); -webkit-backdrop-filter: saturate(1.4) blur(8px);
  box-shadow: var(--shadow-md);
  opacity: 0; transform: translateY(12px) scale(.92); pointer-events: none;
  transition: opacity .28s var(--ease), transform .28s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--green-deep); color: var(--on-dark); transform: translateY(-2px); }
.to-top svg { display: block; }
@media (prefers-reduced-motion: reduce) { .to-top { transition: opacity .2s linear; transform: none; } .to-top.is-visible { transform: none; } }

/* Reading content */
.wp-content { padding-bottom: clamp(60px, 8vw, 100px); }
.wp-content section { padding-top: clamp(30px, 4vw, 46px); scroll-margin-top: 84px; }
.wp-content h2 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem); line-height: 1.15; color: var(--green-deep);
  letter-spacing: -.008em; margin-bottom: 16px; padding-top: 14px;
  display: flex; gap: 14px; align-items: baseline;
}
.wp-content h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.32rem; color: var(--ink); margin: 32px 0 10px; }
.wp-content h4 { font-family: var(--font-mono); font-weight: 600; font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--green); margin: 24px 0 8px; }
.wp-content p { margin-bottom: 16px; color: var(--ink-soft); }
.wp-content strong { color: var(--green-deep); font-weight: 600; }
.wp-content em { font-style: italic; }
.wp-content a { text-decoration: underline; text-decoration-color: rgba(31,111,67,.35); text-underline-offset: 3px; }
.wp-content ul { margin: 0 0 18px; padding-left: 22px; }
.wp-content ul li { margin-bottom: 7px; color: var(--ink-soft); }
.wp-content ul li::marker { color: var(--green); }

.wp-content dl { margin: 6px 0 16px; }
.wp-content dt { font-weight: 600; color: var(--ink); margin-top: 12px; font-size: .95rem; }
.wp-content dd { margin: 2px 0 6px; color: var(--ink-soft); }

/* Core-principle callout */
.wp-core {
  background: var(--paper-2); border: 1px solid var(--line); border-left: 4px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 16px 20px; margin: 16px 0 18px;
}
.wp-core b { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--green); display: block; margin-bottom: 6px; }
.wp-core { color: var(--ink); font-size: 1.02rem; }

/* Tables */
.wp-content table { border-collapse: collapse; width: 100%; margin: 22px 0; font-size: .94rem; }
.wp-content th, .wp-content td { border: 1px solid var(--line); padding: 10px 13px; text-align: left; vertical-align: top; color: var(--ink-soft); }
.wp-content th { background: var(--paper-band); color: var(--green-deep); font-family: var(--font-mono); font-weight: 600; font-size: .82rem; letter-spacing: .02em; }
.wp-content tr td:first-child { font-family: var(--font-mono); color: var(--green-deep); }
/* Tables stay legible on narrow screens by scrolling horizontally inside their
   wrap (the page itself never overflows). A thin always-present scrollbar makes
   the scroll affordance discoverable on mobile. */
.wp-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.wp-table-wrap::-webkit-scrollbar { height: 8px; }
.wp-table-wrap::-webkit-scrollbar-thumb { background: var(--line); border-radius: 100px; }
.wp-table-wrap::-webkit-scrollbar-track { background: transparent; }
@media (max-width: 480px) { .wp-content th, .wp-content td { padding: 8px 11px; } }

.wp-num { font-family: var(--font-mono); font-size: .78rem; color: var(--green); font-weight: 500; }

/* Attribution + kv inside whitepaper */
.wp-kv { background: var(--paper-band); border-radius: var(--radius-sm); padding: 16px 18px; font-size: .98rem; }
.wp-kv b { color: var(--ink); }

.wp-footnote {
  margin-top: clamp(40px, 5vw, 64px); padding-top: 24px; border-top: 1px solid var(--line);
  font-size: .85rem; color: var(--ink-faint); line-height: 1.7;
}
.wp-footnote a { color: var(--green); }