@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("assets/fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("assets/fonts/fraunces-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("assets/fonts/fraunces-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {

  --ink: #14201a;
  --ink-soft: #29342d;
  --paper: #eef1e8;
  --paper-2: #e7ebe0;
  --surface: #ffffff;
  --accent: #35761a;
  --accent-strong: #285911;
  --accent-bright: #6fb23a;
  --accent-tint: #e2edd3;

  --line: #d7dccb;
  --line-strong: #bfc6af;
  --muted: #57634f;
  --muted-invert: #a7b8a0;
  --blueprint: rgba(20, 32, 26, 0.055);
  --blueprint-invert: rgba(255, 255, 255, 0.05);

  --color-bg: var(--paper);
  --color-surface: var(--surface);
  --color-text: var(--ink-soft);
  --color-heading: var(--ink);
  --color-link: var(--accent);
  --color-border: var(--line);

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;

  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", SFMono-Regular, Menlo,
    Consolas, "Liberation Mono", monospace;

  --step--1: clamp(0.83rem, 0.80rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.115rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.4vw, 1.44rem);
  --step-2: clamp(1.45rem, 1.30rem + 0.7vw, 1.95rem);
  --step-3: clamp(1.8rem, 1.52rem + 1.3vw, 2.7rem);
  --step-4: clamp(2.2rem, 1.72rem + 2.2vw, 3.6rem);
  --step-5: clamp(2.6rem, 1.85rem + 3.4vw, 5rem);

  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --section-y: clamp(3.75rem, 2.6rem + 4.4vw, 7.5rem);

  --container: 74rem;
  --measure: 38rem;
  --radius: 5px;
  --radius-sm: 3px;
  --radius-lg: 10px;
  --grid-cell: 34px;
  --shadow-sm: 0 1px 2px rgba(20, 32, 26, 0.05),
    0 8px 24px -12px rgba(20, 32, 26, 0.16);
  --shadow-md: 0 2px 6px rgba(20, 32, 26, 0.06),
    0 24px 56px -20px rgba(20, 32, 26, 0.22);

  --header-h: 4.5rem;
  --ease: cubic-bezier(0.4, 0.1, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}
body {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img,
picture,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.08;
  color: var(--color-heading);
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { text-wrap: pretty; }
a {
  color: var(--color-link);
  text-decoration-color: color-mix(in srgb, var(--color-link) 32%, transparent);
  text-underline-offset: 0.18em;
  transition: color 0.2s var(--ease),
    text-decoration-color 0.2s var(--ease);
}
a:hover {
  color: var(--accent-strong);
  text-decoration-color: currentColor;
}
ul,
ol {
  padding-left: 1.25rem;
}
strong {
  font-weight: 600;
  color: var(--color-heading);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}
.container--narrow { --container: 52rem; }
.section {
  padding-block: var(--section-y);
}
.section--tight {
  padding-block: calc(var(--section-y) * 0.55);
}

.section--hair {
  border-top: 1px solid var(--color-border);
}
.section--ink {
  background: var(--ink);
  color: var(--muted-invert);
}
.section--ink h1,
.section--ink h2,
.section--ink h3 { color: #fff; }
.section--panel {
  background: var(--paper-2);
}

.stack > * + * { margin-top: var(--space-md); }
.prose { max-width: var(--measure); }
.prose p + p { margin-top: var(--space-md); }
.center-col { max-width: var(--measure); margin-inline: auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  background: var(--accent-bright);
  transform: rotate(45deg);
  flex: none;
}
.section--ink .eyebrow { color: var(--accent-bright); }

.lead {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--muted);
  max-width: var(--measure);
}

.section-head {
  max-width: 48rem;
  margin-bottom: var(--space-xl);
}
.section-head .eyebrow { margin-bottom: var(--space-md); }
.section-head h2 { margin-bottom: var(--space-sm); }

.index {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
  color: #fff;
}

.btn {
  --btn-bg: var(--accent);
  --btn-fg: #fff;
  --btn-bd: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.4rem;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  font-weight: 500;
  line-height: 1;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn:hover {
  color: var(--btn-fg);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: var(--shadow-sm);
}
.btn:active { transform: translateY(1px); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line-strong);
}
.btn--ghost:hover {
  --btn-bg: var(--surface);
  --btn-fg: var(--ink);
  --btn-bd: var(--ink);
  box-shadow: none;
}
.section--ink .btn--ghost {
  --btn-fg: #fff;
  --btn-bd: color-mix(in srgb, #fff 28%, transparent);
}
.section--ink .btn--ghost:hover {
  --btn-bg: color-mix(in srgb, #fff 8%, transparent);
  --btn-bd: #fff;
}
.btn--lg { padding: 0.95rem 1.8rem; }
.btn__arrow { transition: transform 0.2s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  text-decoration: none;
}
.link-arrow span { transition: transform 0.2s var(--ease); }
.link-arrow:hover span { transform: translateX(3px); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;

  flex-shrink: 0;
}
.brand__logo {
  display: block;
  height: 2.75rem;
  width: auto;
}

.site-footer .brand {
  padding: 0.7rem 1rem;
  background: linear-gradient(160deg, #ffffff 0%, #f2f5ec 100%);
  border: 1px solid color-mix(in srgb, var(--accent-bright) 22%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.site-footer .brand__logo { height: 1.95rem; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.4vw, 1.5rem);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav__item { position: relative; }
.nav__link {
  display: inline-block;
  padding: 0.4rem 0.15rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav__link:hover { color: var(--ink); border-bottom-color: var(--line-strong); }
.nav__link[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle__bars::before { transform: translateY(-6px); }
.nav-toggle__bars::after { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(0) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-2px) rotate(-45deg);
}

.blueprint {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(to right, var(--blueprint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--blueprint) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  background-position: center top;
  pointer-events: none;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;

  -webkit-mask-image: linear-gradient(100deg, transparent 6%, #000 46%, #000 100%);
  mask-image: linear-gradient(100deg, transparent 6%, #000 46%, #000 100%);
}
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  gap: var(--space-md);
  min-height: clamp(30rem, 82vh, 46rem);
  padding-block: var(--space-2xl);
  max-width: 40rem;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero__meta .eyebrow { color: var(--accent); }
.hero__title {
  font-size: var(--step-5);
  margin-block: 0.2em 0.1em;
}
.hero__title .accent {
  color: var(--accent);
  font-style: italic;
}
.hero__lead {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 34rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-sm);
}

.hero__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  list-style: none;
  padding-left: 0;
}
.hero__specs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero__specs li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border: 1.5px solid var(--accent);
  transform: rotate(45deg);
  flex: none;
}

.thesis {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.thesis__statement {
  font-family: var(--font-serif);
  font-size: var(--step-3);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-heading);
  text-wrap: balance;
}
.thesis__statement .accent { color: var(--accent); }
.thesis__aside {
  padding-top: 0.5rem;
  border-top: 2px solid var(--ink);
}
.thesis__aside p + p { margin-top: var(--space-sm); }
.thesis__aside .link-arrow { margin-top: var(--space-md); }

.ledger {
  border-top: 1px solid var(--color-border);
}
.ledger__row {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  gap: clamp(1rem, 4vw, 3.5rem);
  align-items: baseline;
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.ledger__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.4s var(--ease);
}
.ledger__row:hover::before { width: 5rem; }
.ledger__num {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1;
}
.ledger__body h3 {
  font-size: var(--step-2);
  margin-bottom: 0.5rem;
}
.ledger__body p {
  color: var(--muted);
  max-width: 42rem;
}
.ledger__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-sm);
  padding: 0;
  list-style: none;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 0.24rem 0.55rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.ledger__aside {
  justify-self: end;
  align-self: center;
  color: var(--line-strong);
}
.ledger__aside svg { width: 2rem; height: 2rem; }
.ledger__row:hover .ledger__aside { color: var(--accent); }

.spec-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--blueprint-invert);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec {
  padding: var(--space-lg) var(--space-md);
  border-left: 1px solid var(--blueprint-invert);
}
.spec:first-child { border-left: 0; }
.spec__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent-bright);
}
.spec__num {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-serif);
  font-size: var(--step-4);
  font-weight: 500;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.spec__label {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--step--1);
  color: var(--muted-invert);
}

.marquee {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  list-style: none;
  padding: 0;
}
.marquee__item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  transition: background 0.2s var(--ease);
}
.marquee__item:hover { background: var(--paper); }
.marquee__badge {
  flex: none;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--accent-strong);
  background: var(--accent-tint);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.55rem;
  min-width: 4.25rem;
  text-align: center;
}
.marquee__text { color: var(--ink-soft); }
.marquee__text b {
  display: block;
  font-weight: 600;
  color: var(--ink);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.card:hover { box-shadow: var(--shadow-sm); border-color: var(--line-strong); }

.svc-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
}
.svc-entry__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  border-bottom: 2px solid var(--ink);
}
.svc-entry__head .index { font-size: var(--step-1); }
.svc-entry__head h2 { font-size: var(--step-2); }
.service-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.service-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--ink-soft);
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.6rem;
  height: 0.6rem;
  border: 1.5px solid var(--accent);
  transform: rotate(45deg);
}

.partner-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  list-style: none;
  padding: 0;
}
.partner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  min-height: 6.5rem;
  justify-content: center;
  transition: background 0.2s var(--ease);
}
.partner:hover { background: var(--paper); }
.partner__name {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.partner__link {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--accent);
  text-decoration: none;
  word-break: break-word;
}
.partner__link:hover { text-decoration: underline; }

.ref-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}
.ref-search {
  position: relative;
  flex: 1 1 18rem;
}
.ref-search input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.75rem;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.ref-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.ref-search svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.1rem;
  height: 1.1rem;
  color: var(--muted);
  pointer-events: none;
}
.ref-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  font-family: var(--font-mono);
  padding: 0.5rem 0.9rem;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.chip:hover { border-color: var(--accent); }
.chip[aria-pressed="true"] {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.ref-count {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--muted);
  margin-bottom: var(--space-md);
}
.ref-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.ref-item {
  display: flex;
  gap: var(--space-md);
  align-items: baseline;
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  transition: background 0.15s var(--ease);
}
.ref-item:hover { background: var(--paper); }

.ref-item[hidden] { display: none; }
.ref-item__tag {
  flex: none;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-strong);
  background: var(--accent-tint);
  padding: 0.24rem 0.55rem;
  border-radius: var(--radius-sm);
  min-width: 5.5rem;
  text-align: center;
}
.ref-item__text { color: var(--ink-soft); }
.ref-empty {
  padding: var(--space-lg);
  text-align: center;
  color: var(--muted);
  background: var(--surface);
}

.contact-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}
.contact-card {
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.contact-card h2 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.contact-dl {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
}
.contact-dl div {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: var(--space-sm);
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}
.contact-dl div:last-child { border-bottom: 0; }
.contact-dl dt {
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--muted);
}
.contact-dl dd { margin: 0; color: var(--ink-soft); }
.contact-dl a { word-break: break-word; }

.form {
  display: grid;
  gap: var(--space-md);
  max-width: 38rem;
}
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.field .req { color: var(--accent); }
.field input,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { min-height: 8rem; resize: vertical; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.field input:user-invalid,
.field textarea:user-invalid { border-color: #b4442f; }
.consent {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: var(--step--1);
  color: var(--ink-soft);
  line-height: 1.5;
}
.consent input {
  flex: none;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  accent-color: var(--accent);
  cursor: pointer;
}
.consent label { cursor: pointer; }
.consent a { font-weight: 500; }
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-status {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-size: var(--step--1);
}
.form-status:empty { display: none; }
.form-status.is-ok {
  background: #e6f0e8;
  color: #2c5338;
  border: 1px solid #bcd7c4;
}
.form-status.is-error {
  background: #f6e3df;
  color: #8a3223;
  border: 1px solid #e1b6ac;
}

.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--section-y) * 0.85) var(--section-y);
  border-bottom: 1px solid var(--color-border);
}
.page-hero .blueprint {
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 92%);
  mask-image: linear-gradient(180deg, #000, transparent 92%);
}
.page-hero__inner { max-width: 50rem; }
.page-hero .eyebrow { margin-bottom: var(--space-sm); }
.page-hero h1 {
  font-size: var(--step-4);
  margin-top: var(--space-sm);
}
.page-hero .lead { margin-top: var(--space-md); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--muted);
  margin-bottom: var(--space-md);
  list-style: none;
  padding: 0;
}
.crumbs li::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--line-strong);
}
.crumbs li:last-child::after { content: ""; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--accent); }

.cta {
  position: relative;
  overflow: hidden;
}
.cta__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: end;
}
.cta__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: var(--space-md);
}
.cta h2 {
  font-size: var(--step-4);
  max-width: 14ch;
}
.cta__lead {
  color: var(--muted-invert);
  font-size: var(--step-1);
  margin-top: var(--space-md);
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: flex-start;
}

.cta--light .cta__idx { color: var(--accent); }
.cta--light .cta__lead { color: var(--muted); }

.site-footer {
  position: relative;
  background: var(--ink);
  color: var(--muted-invert);
  padding-block: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--accent-strong);
}
.footer-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1.5fr 1fr 1fr;
}
.site-footer a { color: var(--muted-invert); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-col h2 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: var(--space-md);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.footer-about p {
  margin-top: var(--space-md);
  max-width: 24rem;
  color: var(--muted-invert);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--blueprint-invert);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; }
.footer-legal a { text-decoration: none; }
.footer-legal a:hover { text-decoration: underline; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.text-muted { color: var(--muted); }
.text-sm { font-size: var(--step--1); }

.note {
  padding: var(--space-md) var(--space-lg);
  background: var(--accent-tint);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  font-size: var(--step--1);
  color: var(--ink-soft);
}

.legal h2 {
  font-size: var(--step-2);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}
.legal h2:first-of-type { margin-top: 0; }

.legal h3 {
  font-size: var(--step-0);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
  color: var(--ink);
}
.legal p + p,
.legal ul + p,
.legal ul { margin-top: var(--space-sm); }
.legal ul { padding-left: 1.25rem; }
.legal li + li { margin-top: 0.35rem; }

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: 0.08s; }
.js .reveal[data-delay="2"] { transition-delay: 0.16s; }
.js .reveal[data-delay="3"] { transition-delay: 0.24s; }

@media (max-width: 62rem) {
  .thesis { grid-template-columns: 1fr; gap: var(--space-lg); }
  .thesis__aside { border-top-width: 1px; }
  .cta__inner { grid-template-columns: 1fr; align-items: start; }
  .spec-bar { grid-template-columns: repeat(2, 1fr); }
  .spec:nth-child(3) { border-left: 0; }
  .spec { border-top: 1px solid var(--blueprint-invert); }
  .spec:nth-child(-n+2) { border-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 52rem) {
  .marquee { grid-template-columns: 1fr; }
  .ledger__row {
    grid-template-columns: 3.5rem 1fr;
    gap: var(--space-sm) var(--space-md);
  }
  .ledger__aside { display: none; }
}

@media (max-width: 62rem) {
  .nav-toggle { display: inline-grid; place-items: center; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-sm) var(--space-lg) var(--space-lg);
    background: var(--surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 0.26s var(--ease), transform 0.26s var(--ease),
      visibility 0.26s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .nav__item { border-bottom: 1px solid var(--color-border); }
  .nav__link {
    display: block;
    padding: 0.95rem 0;
    font-size: 1.1rem;
    border-bottom: 0;
  }
  .nav__link[aria-current="page"] { color: var(--accent); border-bottom: 0; }
  .nav .btn { margin-top: var(--space-md); justify-content: center; }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(20, 32, 26, 0.42);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), visibility 0.3s;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
  body.nav-open { overflow: hidden; }

  .contact-dl div { grid-template-columns: 1fr; gap: 0.15rem; }
  .ref-item { flex-direction: column; gap: 0.5rem; }
  .ref-item__tag { align-self: flex-start; }
}

@media (max-width: 34rem) {
  .spec-bar { grid-template-columns: 1fr; }
  .spec { border-left: 0; border-top: 1px solid var(--blueprint-invert); }
  .spec:first-child { border-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}