/* =============================================================
   REPI ONE — Unified Landing
   Institutional design system. Bespoke. No Bootstrap.
   Palette mirrors REPI_Dashboard, REPI_Historical_Return,
   and REPI_eFront_Dashboard so REPI ONE reads as a sibling.
   ============================================================= */

:root {
  --color-ink:     #0D0D0D;
  --color-slate:   #1C2B3A;
  --color-steel:   #3A4F63;
  --color-mist:    #F4F5F6;
  --color-white:   #FFFFFF;
  --color-accent:  #C8922A;
  --color-accent-hi: #E0B14A;
  --color-signal:  #1A6B4A;
  --color-alert:   #B04030;
  --color-rule:    #E2E4E7;

  --color-muted:   #6B7480;
  --color-faint:   #A0A7B0;

  --font-display:  "Plus Jakarta Sans", "DM Sans", sans-serif;
  --font-body:     "Plus Jakarta Sans", "DM Sans", sans-serif;
  --font-mono:     "DM Mono", ui-monospace, Menlo, monospace;
  --font-hand:     "Caveat", "Segoe Script", cursive;

  --gutter:        24px;
  --gutter-lg:     48px;

  --maxw:          1200px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-mist);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "tnum" 1, "ss01" 1;
}

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
  text-align: left;
  padding: 0;
}

h1, h2, h3, p {
  margin: 0;
}

/* ----------------------------------------------------------------- */
/* Page shell                                                        */
/* ----------------------------------------------------------------- */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px var(--gutter) 64px;
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  gap: 88px;
}

/* ----------------------------------------------------------------- */
/* Hero — REPI logo banner above the tile grid                        */
/* ----------------------------------------------------------------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.hero-logo {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  /* PNG with real alpha — the original JPG had a baked-in transparency
     checkerboard pattern, processed at copy-time into true transparent
     pixels (any near-white grayscale → alpha 0). No blend mode needed. */
  user-select: none;
  -webkit-user-drag: none;
}

.hero-meta {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-steel);
  max-width: 560px;
  margin-top: 6px;
}

/* Legacy sparkle/wordmark rules retained for any future fallback use. */
.hero-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 112px;
  height: 112px;
  filter: drop-shadow(0 1px 0 rgba(28, 43, 58, 0.04));
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  letter-spacing: 0.18em;
  color: var(--color-slate);
  line-height: 1;
  margin-top: 4px;
}

.tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--color-accent);
  text-transform: uppercase;
}

/* ----------------------------------------------------------------- */
/* Tile grid                                                         */
/* ----------------------------------------------------------------- */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}

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

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 32px 28px 24px;
  min-height: 300px;
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-radius: 0;
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    background-color 180ms ease;
}

.tile:hover,
.tile:focus-visible {
  border-color: var(--color-slate);
  outline: none;
  transform: translateY(-2px);
}

.tile:focus-visible {
  box-shadow: inset 0 0 0 1px var(--color-slate);
}

/* Subtle gold accent rail along the top edge on hover. */
.tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-accent);
  transition: width 220ms ease;
}
.tile:hover::before,
.tile:focus-visible::before {
  width: 64px;
}

.tile-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.tile-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  color: var(--color-slate);
  margin-top: 4px;
}

.tile-subtitle {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-steel);
  text-transform: uppercase;
}

.tile-rule {
  display: block;
  width: 32px;
  height: 1px;
  background: var(--color-rule);
  margin: 14px 0 6px;
}

.tile-description {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  flex: 1;
}

.tile-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-rule);
}

.tile-port {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--color-faint);
  text-transform: uppercase;
}

.tile-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-rule);
  box-shadow: 0 0 0 0 rgba(200, 146, 42, 0);
}

.status-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  text-transform: uppercase;
}

/* Status states */
.tile-status[data-status="idle"] .status-dot       { background: var(--color-rule); }
.tile-status[data-status="idle"] .status-label     { color: var(--color-muted); }

.tile-status[data-status="launching"] .status-dot  {
  background: var(--color-accent);
  animation: pulse 1.2s ease-in-out infinite;
}
.tile-status[data-status="launching"] .status-label{ color: var(--color-accent); }

.tile-status[data-status="running"] .status-dot    { background: var(--color-signal); }
.tile-status[data-status="running"] .status-label  { color: var(--color-signal); }

.tile-status[data-status="error"] .status-dot      { background: var(--color-alert); }
.tile-status[data-status="error"] .status-label    { color: var(--color-alert); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 146, 42, 0.45); }
  70%  { box-shadow: 0 0 0 7px rgba(200, 146, 42, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 146, 42, 0); }
}

/* ----------------------------------------------------------------- */
/* Coming-soon tile — non-interactive, visually distinguished        */
/* ----------------------------------------------------------------- */
.tile.tile-coming-soon {
  cursor: not-allowed;
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0,
      transparent 12px,
      rgba(200, 146, 42, 0.025) 12px,
      rgba(200, 146, 42, 0.025) 13px
    ),
    var(--color-white);
  border-style: dashed;
  border-color: var(--color-rule);
}

.tile.tile-coming-soon:hover,
.tile.tile-coming-soon:focus-visible {
  /* Kill the default transform & border shift — but keep a subtle hint */
  transform: none;
  border-color: var(--color-accent);
}

.tile.tile-coming-soon::before {
  display: none; /* suppress the gold hover-rail */
}

.tile.tile-coming-soon .tile-title,
.tile.tile-coming-soon .tile-subtitle,
.tile.tile-coming-soon .tile-description {
  opacity: 0.55;
}

.tile-coming-soon .tile-eyebrow {
  opacity: 0.7;
}

/* The Under Construction badge — prominent, centered, gold-accented */
.tile-under-construction {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: 4px;
  padding: 8px 12px;
  background: var(--color-slate);
  border-left: 3px solid var(--color-accent);
  color: var(--color-white);
}

.tile-construction-icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.tile-construction-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-white);
  line-height: 1;
}

/* Foot status for coming-soon */
.tile-status[data-status="coming-soon"] .status-dot {
  background: var(--color-accent);
  animation: pulse 2.4s ease-in-out infinite;
}
.tile-status[data-status="coming-soon"] .status-label {
  color: var(--color-accent);
}

/* ----------------------------------------------------------------- */
/* Footer                                                            */
/* ----------------------------------------------------------------- */
.page-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px var(--gutter);
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-faint);
  text-transform: uppercase;
}

.footer-mark {
  color: var(--color-slate);
  font-weight: 500;
}

.footer-rule {
  flex: 1;
  height: 1px;
  background: var(--color-rule);
}

/* ----------------------------------------------------------------- */
/* Landing — epigraph (Genesis — the conversation that sparked REPI) */
/* ----------------------------------------------------------------- */
.landing-epigraph {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 48px 52px;
  text-align: center;
  background:
    radial-gradient(ellipse at top, rgba(200, 146, 42, 0.06), transparent 60%),
    linear-gradient(180deg, #FDFBF6 0%, #FAF6EE 100%);
  border: 1px solid var(--color-rule);
  border-top: 2px solid var(--color-accent);
  position: relative;
}

.landing-epigraph::before,
.landing-epigraph::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 28px;
  background: var(--color-accent);
}

.landing-epigraph::before { top: 0; }
.landing-epigraph::after  { bottom: 0; }

.landing-epigraph-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.landing-epigraph-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.landing-epigraph-rule {
  width: 64px;
  height: 1px;
  background: var(--color-rule);
}

.landing-epigraph-diamond {
  color: var(--color-accent);
  font-size: 8px;
  line-height: 1;
}

.landing-epigraph-quote {
  margin: 0;
  padding: 0;
  color: var(--color-slate);
}

.landing-epigraph-line {
  margin: 0;
  font-family: var(--font-hand);
  font-weight: 500;
  font-size: 40px;
  line-height: 1.25;
  color: var(--color-steel);
  letter-spacing: 0.002em;
  transform: rotate(-0.8deg);
  transform-origin: center;
}

.landing-epigraph-line-primary {
  margin-top: 30px;
  font-size: 52px;
  line-height: 1.15;
  font-weight: 700;
  color: var(--color-slate);
  transform: rotate(-0.4deg);
}

/* Hidden door — the Chris Marino line links to /roadmap but gives no
   visual signal it is a link. No underline, no color change, no hover
   indicator. Only keyboard users get a focus outline (accessibility
   requirement). Cursor stays as the default arrow so even hover over
   the text reveals nothing. */
.landing-epigraph-link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: default;
}
.landing-epigraph-link:hover,
.landing-epigraph-link:focus,
.landing-epigraph-link:active { color: inherit; text-decoration: none; }
.landing-epigraph-link:focus { outline: none; }
.landing-epigraph-link:focus-visible {
  outline: 1px dotted var(--color-rule);
  outline-offset: 6px;
}

.landing-epigraph-mark {
  font-family: var(--font-hand);
  color: var(--color-accent);
  font-size: 1em;
  font-weight: 700;
  line-height: 0;
  vertical-align: -0.08em;
}

.landing-epigraph-attribution {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 10px;
}

.landing-epigraph-coda {
  margin: 32px auto 0;
  padding-top: 22px;
  max-width: 420px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-top: 1px solid var(--color-rule);
}

@media (max-width: 700px) {
  .landing-epigraph { padding: 40px 24px 36px; }
  .landing-epigraph-line { font-size: 30px; }
  .landing-epigraph-line-primary { font-size: 38px; margin-top: 22px; }
  .landing-epigraph-rule { width: 40px; }
}

/* ----------------------------------------------------------------- */
/* Landing — meta navigation (below tile grid)                       */
/* ----------------------------------------------------------------- */
.landing-meta-nav {
  text-align: center;
}

.meta-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  color: var(--color-muted);
  text-decoration: none;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.meta-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ----------------------------------------------------------------- */
/* Methodology page                                                  */
/* ----------------------------------------------------------------- */
.methpage {
  gap: 0;
}

.meth-header {
  margin-bottom: 56px;
}

.meth-back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-decoration: none;
  text-transform: uppercase;
  margin-bottom: 28px;
  transition: color 160ms ease;
}

.meth-back:hover {
  color: var(--color-accent-hi);
}

.meth-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.1;
  color: var(--color-slate);
}

.meth-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-steel);
  margin-top: 10px;
  max-width: 560px;
}

/* Table of contents */
.meth-toc {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  padding: 24px 28px;
  margin-bottom: 56px;
}

.meth-toc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.meth-toc-list {
  margin: 0;
  padding: 0 0 0 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 32px;
}

.meth-toc-list li {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-steel);
}

.meth-toc-list a {
  color: var(--color-steel);
  text-decoration: none;
  transition: color 160ms ease;
}

.meth-toc-list a:hover {
  color: var(--color-accent);
}

/* Sections */
.meth-section {
  padding: 48px 0 8px;
  border-top: 1px solid var(--color-rule);
}

.meth-section:first-of-type {
  border-top: none;
}

.meth-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.meth-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.15;
  color: var(--color-slate);
  margin-bottom: 24px;
}

/* Cards */
.meth-card {
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  padding: 28px;
  margin-bottom: 16px;
}

.meth-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--color-slate);
  margin-bottom: 12px;
}

.meth-card p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-steel);
  margin-bottom: 12px;
}

.meth-card p:last-child {
  margin-bottom: 0;
}

.meth-note {
  font-size: 12px !important;
  color: var(--color-muted) !important;
  border-left: 2px solid var(--color-accent);
  padding-left: 14px;
  margin-top: 16px !important;
}

/* Tables */
.meth-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 13px;
}

.meth-table thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-mist);
}

.meth-table tbody td {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-steel);
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-rule);
  vertical-align: top;
}

.meth-table tbody tr:last-child td {
  border-bottom: none;
}

/* Formulas */
.meth-formula {
  background: var(--color-mist);
  border-left: 2px solid var(--color-accent);
  padding: 14px 18px;
  margin: 14px 0;
}

.meth-formula-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.meth-formula code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-slate);
  line-height: 1.7;
}

/* Glossary */
.meth-glossary {
  margin: 0;
}

.meth-glossary dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-slate);
  margin-top: 20px;
}

.meth-glossary dt:first-child {
  margin-top: 0;
}

.meth-glossary dd {
  margin: 4px 0 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-steel);
}

/* ----------------------------------------------------------------- */
/* Methodology — Definitions (grouped glossary)                      */
/* ----------------------------------------------------------------- */
.meth-section-lede {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-steel);
  max-width: 620px;
  margin: -8px 0 36px;
}

.def-group {
  margin-bottom: 48px;
}

.def-group:last-child {
  margin-bottom: 0;
}

.def-group-header {
  position: relative;
  padding: 0 0 18px 36px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-rule);
}

.def-group-eyebrow {
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 500;
}

.def-group-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
  color: var(--color-slate);
  margin: 0;
}

.def-group-sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-muted);
  margin: 4px 0 0;
  font-style: italic;
}

.def-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.def-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  border-left: 3px solid var(--color-accent);
  padding: 20px 22px;
  transition: border-left-color 160ms ease, transform 160ms ease;
}

.def-card:hover {
  border-left-color: var(--color-accent-hi);
  transform: translateX(2px);
}

.def-card-wide {
  grid-column: 1 / -1;
}

.def-term {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.005em;
  color: var(--color-slate);
  margin-bottom: 4px;
}

.def-formula {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--color-rule);
}

.def-body {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-steel);
  margin: 0;
}

.def-body em {
  color: var(--color-slate);
  font-style: italic;
}

@media (max-width: 720px) {
  .def-grid { grid-template-columns: 1fr; }
  .def-card-wide { grid-column: auto; }
}

/* Limitation lists */
.meth-limits {
  margin: 0;
  padding: 0;
  list-style: none;
}

.meth-limits li {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-steel);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-rule);
}

.meth-limits li:last-child {
  border-bottom: none;
}

.meth-limits li strong {
  color: var(--color-slate);
}

/* ----------------------------------------------------------------- */
/* Responsive — partner laptops are wide; we keep this minimal       */
/* ----------------------------------------------------------------- */
@media (max-width: 900px) {
  .tile-grid {
    grid-template-columns: 1fr;
  }
  .page {
    padding: 64px var(--gutter) 48px;
    gap: 56px;
  }
  .hero-logo {
    max-width: 480px;
  }
  .wordmark {
    font-size: 44px;
  }
  .meth-toc-list {
    grid-template-columns: 1fr;
  }
  .meth-title {
    font-size: 28px;
  }
}

/* =================================================================
   TenureOS — public marketing landing (/)
   Prefix: .tos-*   Consumes existing :root tokens only.
   ================================================================= */

.tos-skip {
  position: absolute;
  left: -9999px;
  top: 0;
}
.tos-skip:focus {
  left: 16px;
  top: 16px;
  background: var(--color-ink);
  color: var(--color-white);
  padding: 8px 14px;
  z-index: 1000;
  border-radius: 2px;
}

/* --- Nav ----------------------------------------------------------- */
.tos-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 245, 246, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-rule);
}
.tos-nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.tos-nav__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-ink);
}
.tos-nav__wordmark {
  height: 22px;
  width: auto;
  display: block;
}
.tos-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.tos-nav__link {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-slate);
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}
.tos-nav__link:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}
.tos-nav__cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 14px;
  border: 1px solid var(--color-ink);
  border-radius: 2px;
  color: var(--color-ink);
}
.tos-nav__cta:hover {
  background: var(--color-ink);
  color: var(--color-white);
  border-bottom-color: var(--color-ink);
}
@media (max-width: 640px) {
  .tos-nav__links { gap: 14px; }
  .tos-nav__link:not(.tos-nav__cta) { display: none; }
}

/* --- Hero ---------------------------------------------------------- */
.tos-hero {
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-slate) 58%, var(--color-steel) 100%);
  color: var(--color-white);
  border-bottom: 1px solid var(--color-ink);
}
.tos-hero__frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px var(--gutter) 112px;
  border-left: 6px solid var(--color-accent);
  padding-left: calc(var(--gutter) + 24px);
  position: relative;
}
.tos-hero__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 28px;
}
.tos-hero__h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--color-white);
  margin: 0 0 28px;
  max-width: 18ch;
}
.tos-hero__sub {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  color: #D8DCE2;
  max-width: 64ch;
  margin: 0 0 40px;
}
.tos-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #A7AEB8;
}
.tos-hero__meta-item { white-space: nowrap; }
.tos-hero__meta-dot { color: var(--color-accent); }
@media (max-width: 640px) {
  .tos-hero__frame {
    padding: 72px var(--gutter) 64px;
    padding-left: calc(var(--gutter) + 18px);
    border-left-width: 4px;
  }
}

/* --- Credibility --------------------------------------------------- */
.tos-credibility {
  background: var(--color-mist);
  border-bottom: 1px solid var(--color-rule);
}
.tos-credibility__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px var(--gutter);
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}
.tos-credibility__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-muted);
  flex: 0 0 auto;
}
.tos-credibility__chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}
.tos-chip {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--color-slate);
  background: var(--color-white);
  border: 1px solid var(--color-rule);
  padding: 7px 14px;
  border-radius: 999px;
}

/* --- Section shell ------------------------------------------------- */
.tos-section-head {
  max-width: 68ch;
  margin: 0 0 56px;
}
.tos-section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}
.tos-section-h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0 0 18px;
}
.tos-section-lede {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0;
}

/* --- What we build ------------------------------------------------- */
.tos-build {
  background: var(--color-white);
}
.tos-build__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 104px var(--gutter);
}
.tos-build-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-rule);
  border-left: 1px solid var(--color-rule);
}
.tos-build-item {
  padding: 36px 28px;
  border-right: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  transition: background 160ms ease;
}
.tos-build-item:hover { background: #FAFAFB; }
.tos-build-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}
.tos-build-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--color-ink);
  margin: 0;
}
.tos-build-copy {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0;
}
@media (max-width: 980px) {
  .tos-build-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .tos-build__inner { padding: 72px var(--gutter); }
  .tos-build-grid { grid-template-columns: 1fr; }
  .tos-build-item { min-height: 0; padding: 28px 22px; }
}

/* --- How we work --------------------------------------------------- */
.tos-process {
  background: var(--color-ink);
  color: var(--color-white);
}
.tos-process__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 104px var(--gutter);
}
.tos-process .tos-section-h2 { color: var(--color-white); }
.tos-process .tos-section-eyebrow { color: var(--color-accent); }
.tos-process-rail {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid #2A2A2A;
}
.tos-process-step {
  padding: 36px 24px 40px;
  border-right: 1px solid #2A2A2A;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tos-process-step:last-child { border-right: none; }
.tos-process-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
}
.tos-process-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--color-white);
  margin: 0;
}
.tos-process-copy {
  font-family: var(--font-display);
  font-size: 13.5px;
  line-height: 1.6;
  color: #BEC4CC;
  margin: 0;
}
@media (max-width: 980px) {
  .tos-process-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid #2A2A2A; }
  .tos-process-step { border-bottom: 1px solid #2A2A2A; }
}
@media (max-width: 640px) {
  .tos-process__inner { padding: 72px var(--gutter); }
  .tos-process-rail { grid-template-columns: 1fr; }
  .tos-process-step { border-right: none; }
}

/* --- REPI_ONE footnote -------------------------------------------- */
.tos-repione {
  background: var(--color-mist);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}
.tos-repione__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 78ch;
}
.tos-repione__h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: clamp(22px, 2.4vw, 32px);
}
.tos-repione__copy {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-slate);
  margin: 0;
}
.tos-repione__cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
  align-self: flex-start;
  justify-self: flex-start;
  transition: color 160ms ease;
}
.tos-repione__cta:hover { color: var(--color-accent); }

/* --- Footer -------------------------------------------------------- */
.tos-footer {
  background: var(--color-ink);
  color: #BEC4CC;
}
.tos-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px var(--gutter) 48px;
  display: grid;
  grid-template-columns: 2fr 2fr 1fr;
  gap: 32px;
  align-items: start;
}
.tos-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tos-footer__wordmark {
  height: 20px;
  width: auto;
  filter: invert(1) brightness(1.6);
}
.tos-footer__tagline {
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.55;
  color: #8A919B;
  max-width: 42ch;
}
.tos-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tos-footer__link {
  font-family: var(--font-display);
  font-size: 13px;
  color: #BEC4CC;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.tos-footer__link:hover { color: var(--color-accent); }
.tos-footer__legal {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6B7480;
  text-align: right;
}
@media (max-width: 720px) {
  .tos-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .tos-footer__legal { text-align: left; }
}