/* ============================================================
   ROZUMCODE — Swiss brutalist editorial system
   Pure white, greyscale, multi-accent (used sparingly).
   ============================================================ */

:root {
  /* Paper + ink */
  --paper: #ffffff;
  --ink: #050505;
  --ink-soft: #141414;

  /* Greyscale ramp */
  --g-95: #0a0a0a;
  --g-85: #1f1f1f;
  --g-70: #3d3d3d;
  --g-55: #666666;
  --g-40: #8c8c8c;
  --g-25: #b8b8b8;
  --g-15: #d6d6d6;
  --g-08: #ebebeb;
  --g-04: #f4f4f4;
  --g-02: #fafafa;

  /* Multi-accent — used as small data marks, never as fills */
  --acc-red: #ff3b00;
  --acc-green: #00b864;
  --acc-yellow: #ffcc00;
  --acc: var(--acc-red); /* default tweakable */

  /* Rule weights */
  --rule-thin: 1px;
  --rule-mid: 2px;
  --rule-thick: 4px;

  /* Type stacks (overridden by tweaks) */
  --ff-display: "Archivo", "Helvetica Neue", system-ui, sans-serif;
  --ff-body: "Inter", "Helvetica Neue", system-ui, sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, "Menlo", monospace;

  /* Gutters */
  --gutter: 32px;
  --gutter-lg: 56px;
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11", "tnum";
}

a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; }

/* ---- Type helpers ---- */

.mono {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.mono-sm {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.mono-lg {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.display {
  font-family: var(--ff-display);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.92;
  text-transform: uppercase;
}

.serif-italic {
  /* Optional editorial accent — used sparingly for emphasized words */
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-transform: none;
}

.label {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--g-55);
  font-weight: 500;
}

/* ---- Page shell ---- */

.page {
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule {
  border: 0;
  border-top: var(--rule-thin) solid var(--ink);
  margin: 0;
}
.rule-thick { border-top-width: var(--rule-thick); }
.rule-mid { border-top-width: var(--rule-mid); }

section {
  position: relative;
  padding: 96px 0;
  border-top: var(--rule-thin) solid var(--ink);
}
section:first-of-type { border-top: 0; }

.section-head {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: var(--gutter);
  padding-bottom: 56px;
  align-items: start;
}

.section-head .index {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-55);
}
.section-head .index span.dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--acc);
  margin-right: 8px;
  vertical-align: middle;
}

.section-head h2 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(40px, 5vw, 76px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.section-head .lede {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.45;
  max-width: 62ch;
  color: var(--g-70);
  font-weight: 400;
}

/* ---- Feather mask helper — for images/graphs melting into white ---- */
.feather {
  -webkit-mask-image: radial-gradient(ellipse at center,
    rgba(0,0,0,1) 38%,
    rgba(0,0,0,0.85) 55%,
    rgba(0,0,0,0.35) 78%,
    rgba(0,0,0,0) 100%);
          mask-image: radial-gradient(ellipse at center,
    rgba(0,0,0,1) 38%,
    rgba(0,0,0,0.85) 55%,
    rgba(0,0,0,0.35) 78%,
    rgba(0,0,0,0) 100%);
}
.feather-right {
  -webkit-mask-image: linear-gradient(to right,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.6) 15%,
    rgba(0,0,0,1) 50%,
    rgba(0,0,0,0.6) 85%,
    rgba(0,0,0,0) 100%);
          mask-image: linear-gradient(to right,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.6) 15%,
    rgba(0,0,0,1) 50%,
    rgba(0,0,0,0.6) 85%,
    rgba(0,0,0,0) 100%);
}

/* ---- NAV ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 64px;
  padding: 0 var(--gutter);
  gap: 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.nav-brand .glyph {
  display: inline-block;
  position: relative;
  width: 22px; height: 22px;
}
.nav-brand .glyph .px {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--ink);
}
.nav-brand .sep {
  display: inline-block;
  width: 1px; height: 22px;
  background: var(--ink);
  margin: 0 2px;
}
.nav-brand .name { color: var(--ink); }
.nav-brand .name .grey { color: var(--g-40); }

.nav-links {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.nav-links a {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover { color: var(--acc); }

.nav-cta {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-meta {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--g-55);
  text-transform: uppercase;
}
.nav-meta .live {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--acc-green);
  margin-right: 6px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---- Brutalist button ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--ink);
  color: var(--paper);
  border: var(--rule-thin) solid var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn .arrow {
  width: 14px; height: 14px;
  position: relative;
  display: inline-block;
}
.btn .arrow::before {
  content: "";
  position: absolute;
  top: 50%; left: 0; right: 2px;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
}
.btn .arrow::after {
  content: "";
  position: absolute;
  top: 50%; right: 0;
  width: 7px; height: 7px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.btn-ghost {
  background: var(--paper);
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ---- HERO ---- */

.hero {
  padding: 56px 0 64px;
  position: relative;
  border-top: 0;
  overflow: visible;
}
.hero-meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
  padding: 12px 0;
  margin-bottom: 56px;
}
.hero-meta-row > div {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
  border-right: var(--rule-thin) solid var(--g-15);
  padding: 0 16px;
}
.hero-meta-row > div:first-child { padding-left: 0; }
.hero-meta-row > div:last-child { border-right: 0; padding-right: 0; text-align: right; }
.hero-meta-row strong {
  font-weight: 600;
  color: var(--ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: end;
  position: relative;
}
.hero-grid > * { min-width: 0; }

.hero-title {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(40px, 5.6vw, 92px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  overflow-wrap: break-word;
  hyphens: none;
}
.hero-title .accent-mark {
  display: inline-block;
  width: 0.5em;
  height: 0.18em;
  background: var(--acc);
  vertical-align: 0.1em;
  margin: 0 0.05em;
}
.hero-title em {
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: none;
}

.hero-sub {
  margin-top: 28px;
  max-width: 46ch;
  font-size: 17.5px;
  line-height: 1.45;
  color: var(--g-70);
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.hero-3d {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 620px;
}
.hero-3d canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.hero-3d-caption {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-40);
  pointer-events: none;
}

.hero-bottom {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  border-top: var(--rule-thin) solid var(--ink);
  padding-top: 20px;
  gap: 24px;
}
.hero-bottom .col .k {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
  margin-bottom: 10px;
}
.hero-bottom .col .v {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ---- SERVICES ---- */

.services {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: var(--rule-thin) solid var(--ink);
}
.service {
  grid-column: span 3;
  border-right: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
  padding: 28px 24px 32px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  position: relative;
  transition: background 0.2s ease;
}
.service:hover { background: var(--g-04); }
.service:hover .service-num { color: var(--acc); }
.service:nth-child(4n) { border-right: 0; }
.service.wide {
  grid-column: span 6;
}
.service.wide-3 {
  grid-column: span 3;
}

.service-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}
.service-num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--g-55);
  transition: color 0.2s ease;
}
.service-tag {
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 3px 7px;
  border: 1px solid var(--ink);
}

.service h3 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.0;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--g-70);
  margin-bottom: 20px;
}
.service ul {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service ul li {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--g-55);
  padding-left: 16px;
  position: relative;
}
.service ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--g-40);
}

/* ---- METHODOLOGY ---- */

.method-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.method-step {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 28px 20px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}
.method-step:last-child { border-right: 0; }
.method-step .num {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.method-step .num sup {
  font-family: var(--ff-mono);
  font-size: 11px;
  vertical-align: top;
  color: var(--g-55);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-left: 4px;
}
.method-step h4 {
  margin-top: 28px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1.05;
}
.method-step p {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--g-70);
}
.method-step .dur {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
}

/* ---- INDUSTRIES ---- */

.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.industry {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  position: relative;
  background: var(--paper);
  transition: background 0.2s ease;
}
.industry:hover { background: var(--g-04); }
.industry:last-child { border-right: 0; }
.industry .sector {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
}
.industry h3 {
  margin-top: 18px;
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 0.98;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}
.industry-viz {
  margin: 24px 0;
  flex: 1;
  position: relative;
  min-height: 120px;
}
.industry ul {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--g-15);
  padding-top: 8px;
}
.industry ul li {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 0;
  border-bottom: 1px solid var(--g-08);
}
.industry ul li:last-child { border-bottom: 0; }
.industry ul li span:first-child {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
}
.industry ul li span:last-child {
  font-size: 11.5px;
  color: var(--ink);
}

/* ---- COMPLIANCE ---- */

.compliance-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
}
.compliance-callout {
  border: var(--rule-thin) solid var(--ink);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.compliance-callout .kicker {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
  display: flex;
  justify-content: space-between;
}
.compliance-callout h3 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 30px;
  letter-spacing: -0.03em;
  line-height: 0.95;
  text-transform: uppercase;
}
.compliance-callout p {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--g-70);
}

.framework-table {
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.framework-row {
  display: grid;
  grid-template-columns: 100px 1fr 1.5fr 100px;
  align-items: center;
  border-bottom: var(--rule-thin) solid var(--g-15);
  padding: 18px 0;
  gap: 16px;
}
.framework-row:last-child { border-bottom: 0; }
.framework-row:hover { background: var(--g-04); }
.framework-row .id {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--g-55);
}
.framework-row .name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.framework-row .desc {
  font-size: 13px;
  color: var(--g-70);
  line-height: 1.4;
}
.framework-row .status {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acc-green);
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.framework-row .status::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--acc-green);
  border-radius: 50%;
  display: inline-block;
}

/* ---- TECH STACK ---- */

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.stack-col {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 28px 24px;
}
.stack-col:last-child { border-right: 0; }
.stack-col h4 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.stack-col .kicker {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--g-55);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.stack-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stack-col li {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--g-08);
  display: flex;
  justify-content: space-between;
}
.stack-col li span:last-child {
  color: var(--g-40);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---- NUMBERS BAND ---- */
/* No fabricated stats — uses framework references / capability surface */
.numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--rule-mid) solid var(--ink);
  border-bottom: var(--rule-mid) solid var(--ink);
  padding: 48px 0;
  gap: 24px;
}
.number-cell {
  padding: 0 16px;
  border-right: var(--rule-thin) solid var(--g-15);
}
.number-cell:last-child { border-right: 0; }
.number-cell .big {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(40px, 4.2vw, 64px);
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.number-cell .big .unit {
  font-family: var(--ff-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--g-55);
  vertical-align: top;
  margin-left: 4px;
  font-weight: 400;
}
.number-cell .lbl {
  margin-top: 16px;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
  line-height: 1.4;
}

/* ---- CONTACT ---- */

.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  border-top: var(--rule-thin) solid var(--ink);
  padding-top: 48px;
}
.contact-headline {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(48px, 6.5vw, 96px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.contact-headline em {
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: none;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-form .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-bottom: var(--rule-thin) solid var(--ink);
  padding-bottom: 10px;
}
.contact-form .field label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
}
.contact-form .field input,
.contact-form .field textarea,
.contact-form .field select {
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--ff-body);
  font-size: 15px;
  color: var(--ink);
  padding: 4px 0;
  resize: none;
}
.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
  border-top: var(--rule-thin) solid var(--ink);
  padding-top: 32px;
}
.contact-meta .row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--g-15);
}
.contact-meta .k {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
}
.contact-meta .v {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  color: var(--ink);
  letter-spacing: 0.02em;
}

/* ---- FOOTER ---- */

.footer {
  border-top: var(--rule-thick) solid var(--ink);
  padding: 56px 0 32px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 56px;
}
.footer h5 {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer ul li {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 0;
}
.footer-tagline {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 36px;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  max-width: 18ch;
}
.footer-bottom {
  border-top: var(--rule-thin) solid var(--ink);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--g-55);
}

.giant-mark {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(120px, 18vw, 280px);
  line-height: 0.85;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0 0 24px;
  border-bottom: var(--rule-thin) solid var(--ink);
  margin-bottom: 24px;
  white-space: nowrap;
  overflow: hidden;
}
.giant-mark .grey { color: var(--g-15); }

/* ============================================================
   Hero 3D — telemetry, micrographics, PAAI core
   ============================================================ */

.hero-3d-wrap { perspective: 800px; transform-style: preserve-3d; }

.mesh-telemetry {
  position: absolute;
  inset: 0;
  pointer-events: none;
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--g-55);
  z-index: 4;
}
.mt-block {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}
.mt-tr { top: 0; right: 0; align-items: flex-end; text-align: right; }
.mt-tl { top: 0; left: 0; align-items: flex-start; }
.mt-br { bottom: 88px; right: 0; align-items: flex-end; text-align: right; }
.mt-bl { bottom: 88px; left: 0; align-items: flex-start; }

.mt-row {
  display: flex;
  gap: 6px;
  min-width: 60px;
  justify-content: flex-end;
}
.mt-row span { color: var(--g-40); width: 10px; text-align: left; }
.mt-row b {
  font-weight: 500;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.mt-row-acc {
  margin-top: 4px;
  color: var(--acc);
}
.mt-row-acc span,
.mt-row-acc b { color: var(--acc); }

.mt-k {
  font-size: 8.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--g-40);
  margin-bottom: 3px;
}
.mt-mono {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-size: 9.5px;
}

/* Micrographics overlay */
.mesh-micro {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
  overflow: visible;
}
.mesh-micro .micro-code {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  fill: var(--ink);
  font-weight: 600;
}
.mesh-micro .micro-line {
  font-family: var(--ff-mono);
  font-size: 8.5px;
  letter-spacing: 0.16em;
  fill: var(--g-55);
  text-transform: uppercase;
}

/* PAAI core */
.paai-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 56%;
  max-width: 320px;
  pointer-events: none;
  z-index: 2;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
  mix-blend-mode: normal;
  filter: drop-shadow(0 1px 0 rgba(60,30,15,0.4));
  will-change: transform, opacity;
}
.paai-core svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

@media (max-width: 720px) {
  .mt-block { font-size: 8.5px; }
  .mesh-micro .micro-code { font-size: 8.5px; }
  .mesh-micro .micro-line { font-size: 7px; }
}

.paai .section-head .index {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.paai-stamp {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  border: 1.5px solid var(--ink);
  padding: 14px 16px 16px;
  width: max-content;
  max-width: 100%;
}
.paai-stamp-mark {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 32px;
  letter-spacing: -0.03em;
  line-height: 0.85;
  color: var(--ink);
}
.paai-stamp-meta {
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--g-55);
}

.paai-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
  margin-bottom: 80px;
}
.paai-principle {
  padding: 28px 24px 32px;
  border-right: var(--rule-thin) solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.paai-principle:last-child { border-right: 0; }
.paai-principle .num {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 48px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.paai-principle h3 {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.paai-principle p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--g-70);
}

/* Architecture diagram */
.paai-arch {
  margin-bottom: 80px;
}
.paai-arch-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: var(--rule-thin) solid var(--ink);
  padding-bottom: 14px;
  margin-bottom: 24px;
  gap: 24px;
  flex-wrap: wrap;
}
.paai-arch-caption {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 600;
}
.paai-arch-sub {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--g-70);
  max-width: 56ch;
}
.paai-arch-legend {
  display: flex;
  gap: 18px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
}
.paai-arch-legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.paai-arch-legend .leg-dash,
.paai-arch-legend .leg-solid {
  display: inline-block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
}
.paai-arch-legend .leg-dash {
  background: repeating-linear-gradient(
    to right, var(--ink) 0 4px, transparent 4px 8px
  );
}
.paai-arch-svg {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 6%, rgba(0,0,0,1) 94%, rgba(0,0,0,0) 100%);
          mask-image: linear-gradient(
    to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 6%, rgba(0,0,0,1) 94%, rgba(0,0,0,0) 100%);
}

/* Capability grid (4-up) */
.paai-caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
  margin-bottom: 80px;
}
.paai-cap {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 28px 22px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 360px;
  background: var(--paper);
  transition: background 0.2s ease;
}
.paai-cap:hover { background: var(--g-04); }
.paai-cap:last-child { border-right: 0; }
.paai-cap header {
  display: flex;
  justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
  margin-bottom: 10px;
}
.paai-cap-code {
  color: var(--ink);
  font-weight: 600;
  border: 1px solid var(--ink);
  padding: 2px 7px;
}
.paai-cap h3 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.paai-cap p {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--g-70);
}
.paai-cap ul {
  margin-top: auto;
  border-top: 1px solid var(--g-15);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.paai-cap ul li {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding-left: 14px;
  position: relative;
}
.paai-cap ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 8px; height: 1px;
  background: var(--g-40);
}

/* Viz grid — Stack + Radar + Gauge */
.paai-viz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
  margin-bottom: 80px;
}
.paai-viz-cell {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.paai-viz-cell:last-child { border-right: 0; }
.paai-viz-cell svg { flex: 1; min-height: 0; }
.paai-viz-foot {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--g-55);
  line-height: 1.5;
  border-top: 1px solid var(--g-15);
  padding-top: 12px;
}

/* Encryption ladder */
.paai-ladder-wrap {
  margin-bottom: 80px;
  border-top: var(--rule-thin) solid var(--ink);
  padding-top: 24px;
}
.paai-ladder-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  gap: 24px;
  flex-wrap: wrap;
}
.paai-ladder-meta {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--g-70);
  max-width: 50ch;
}

/* Standards table */
.paai-standards {
  margin-bottom: 64px;
}
.paai-standards-table {
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.paai-row {
  display: grid;
  grid-template-columns: 110px 1.4fr 2fr 110px;
  gap: 18px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--g-15);
}
.paai-row:last-child { border-bottom: 0; }
.paai-row:hover { background: var(--g-04); }
.paai-row .id {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--g-55);
}
.paai-row .name {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.paai-row .desc {
  font-size: 13px;
  color: var(--g-70);
  line-height: 1.4;
}
.paai-row .status {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.paai-row .status::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--g-40);
  border-radius: 50%;
  display: inline-block;
}
.paai-row .status[data-state="active"] {
  color: var(--acc-green);
}
.paai-row .status[data-state="active"]::before { background: var(--acc-green); }
.paai-row .status[data-state="deployed"] {
  color: var(--acc);
}
.paai-row .status[data-state="deployed"]::before { background: var(--acc); }
.paai-row .status[data-state="aligned"] {
  color: var(--ink);
}
/* ---- Privacy Compliance — twin dense tables ---- */
.paai-compliance {
  margin-bottom: 56px;
  border-top: var(--rule-thick) solid var(--ink);
  padding-top: 28px;
}
.paai-compliance-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.paai-compliance-head h3 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.paai-compliance-head h3 .serif-italic {
  font-family: "Instrument Serif", "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: none;
}
.paai-compliance-legend {
  display: flex;
  gap: 18px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g-55);
}
.paai-compliance-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.paai-compliance-legend .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--g-40);
}
.paai-compliance-legend .dot-active { background: var(--acc-green); }
.paai-compliance-legend .dot-deployed { background: var(--acc); }
.paai-compliance-legend .dot-aligned { background: var(--ink); }
.paai-compliance-legend .dot-available { background: var(--g-40); }

.paai-compliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: var(--rule-thin) solid var(--ink);
  border-bottom: var(--rule-thin) solid var(--ink);
}
.paai-compliance-col {
  border-right: var(--rule-thin) solid var(--ink);
  padding: 18px 22px 22px;
}
.paai-compliance-col:last-child { border-right: 0; }
.paai-compliance-cap {
  display: flex;
  justify-content: space-between;
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--g-55);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--g-15);
}
.paai-compliance-cap span:first-child {
  color: var(--ink);
  font-weight: 600;
}

.paai-c-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--g-08);
}
.paai-c-row:last-child { border-bottom: 0; }
.paai-c-row:hover { background: var(--g-04); }
.paai-c-row .id {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--g-55);
}
.paai-c-row .name {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.paai-c-row .name > span:first-child {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.05;
}
.paai-c-row .name .d {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--g-55);
  text-transform: none;
}
.paai-c-row .status {
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 5px;
  justify-content: flex-end;
}
.paai-c-row .status::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--g-40);
  display: inline-block;
}
.paai-c-row .status[data-state="active"]   { color: var(--acc-green); }
.paai-c-row .status[data-state="active"]::before   { background: var(--acc-green); }
.paai-c-row .status[data-state="deployed"] { color: var(--acc); }
.paai-c-row .status[data-state="deployed"]::before { background: var(--acc); }
.paai-c-row .status[data-state="aligned"]  { color: var(--ink); }
.paai-c-row .status[data-state="aligned"]::before  { background: var(--ink); }
.paai-c-row .status[data-state="available"]{ color: var(--g-55); }

@media (max-width: 900px) {
  .paai-compliance-grid { grid-template-columns: 1fr; }
  .paai-compliance-col { border-right: 0; border-bottom: var(--rule-thin) solid var(--ink); }
  .paai-compliance-col:last-child { border-bottom: 0; }
}

/* Closing PAAI statement */
.paai-footer {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  border-top: var(--rule-thick) solid var(--ink);
  padding-top: 40px;
  align-items: start;
}
.paai-footer-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--ink);
}
.paai-footer-mark span {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(80px, 9vw, 140px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  text-align: center;
  padding: 20px 0 14px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.paai-footer-mark span:nth-child(2n) { border-right: 0; }
.paai-footer-mark span:nth-child(3),
.paai-footer-mark span:nth-child(4) { border-bottom: 0; }
.paai-footer-mark span:nth-child(2) { background: var(--ink); color: var(--paper); }

.paai-footer-translate {
  margin-top: 14px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g-55);
  border-top: 1px solid var(--g-15);
  padding-top: 12px;
  text-align: center;
}

.paai-footer-copy h3 {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(28px, 3.4vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.0;
  text-transform: uppercase;
  margin-top: 16px;
}
.paai-footer-copy p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--g-70);
  margin: 22px 0 24px;
  max-width: 64ch;
}

/* Responsive */
@media (max-width: 1180px) {
  .paai-principles { grid-template-columns: 1fr; border-bottom: 0; }
  .paai-principle { border-right: 0; border-bottom: 1px solid var(--ink); }
  .paai-principle:last-child { border-bottom: 1px solid var(--ink); }
  .paai-caps { grid-template-columns: 1fr 1fr; }
  .paai-cap:nth-child(2n) { border-right: 0; }
  .paai-cap { border-bottom: var(--rule-thin) solid var(--ink); }
  .paai-cap:nth-last-child(-n+2) { border-bottom: 0; }
  .paai-viz-grid { grid-template-columns: 1fr; }
  .paai-viz-cell {
    border-right: 0;
    border-bottom: var(--rule-thin) solid var(--ink);
  }
  .paai-viz-cell:last-child { border-bottom: 0; }
  .paai-footer { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .paai-caps { grid-template-columns: 1fr; }
  .paai-cap { border-right: 0 !important; }
  .paai-row { grid-template-columns: 60px 1fr 80px; }
  .paai-row .desc { grid-column: 2 / 4; font-size: 12px; }
  .paai-stamp-mark { font-size: 24px; }
  .paai-footer-mark span {
    font-size: 64px;
    padding: 14px 0 10px;
  }
}
@media (max-width: 1180px) {
  .service { grid-column: span 6; }
  .service:nth-child(4n) { border-right: var(--rule-thin) solid var(--ink); }
  .service:nth-child(2n) { border-right: 0; }
  .method-grid { grid-template-columns: repeat(3, 1fr); }
  .method-step:nth-child(3n) { border-right: 0; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .industry:nth-child(2n) { border-right: 0; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-col:nth-child(2n) { border-right: 0; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .compliance-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  :root { --gutter: 18px; }
  .nav-links { display: none; }
  .nav-inner { grid-template-columns: 1fr auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-bottom { grid-template-columns: 1fr 1fr; }
  .hero-meta-row { grid-template-columns: 1fr 1fr; }
  .hero-meta-row > div { border-bottom: 1px solid var(--g-15); padding: 6px 8px; }
  .services { grid-template-columns: 1fr; }
  .service { grid-column: 1 / -1 !important; border-right: 0; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .industries-grid, .stack-grid { grid-template-columns: 1fr; }
  .industry, .stack-col { border-right: 0; }
  .numbers { grid-template-columns: 1fr 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 16px; padding-bottom: 32px; }
  .framework-row { grid-template-columns: 60px 1fr 80px; }
  .framework-row .desc { grid-column: 2 / 4; }
}