@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700&family=Share+Tech+Mono&family=Sora:wght@400;500;600;700;800&display=swap');

:root {
  --bench-black: #0B0C0E;
  --rim-aluminium: #B8BDC4;
  --spoke-ice: #E8EEF2;
  --tension-blue: #1A6BFF;
  --valve-red: #C62828;
  --nipple-brass: #A8895A;
  --rubber-grey: #2A2E33;
  --gauge-white: #F4F7FA;
  --grease-teal: #1F4A4A;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --spoke-glint-x: 50%;
  --spoke-glint-y: 40%;
  --header-h: 72px;
}

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

html {
  overflow-x: hidden !important;
  max-width: 100vw;
  position: relative;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden !important;
  max-width: 100vw;
  position: relative;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--spoke-ice);
  background: var(--bench-black);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden !important;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--tension-blue);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--spoke-ice);
}

ul {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 9999;
  background: var(--gauge-white);
  color: var(--bench-black);
  padding: 0.5rem 1rem;
}

.truing-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  background: rgba(11, 12, 14, 0.94);
  border-bottom: 1px solid rgba(184, 189, 196, 0.22);
  backdrop-filter: blur(10px);
  max-width: 100vw;
  overflow-x: clip;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--spoke-ice);
  min-width: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--rim-aluminium);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-spoke {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.nav-spoke a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rim-aluminium);
}

.nav-spoke a:hover,
.nav-spoke a.is-active {
  color: var(--tension-blue);
}

.rotation-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--grease-teal);
  letter-spacing: 0.12em;
  white-space: nowrap;
  border: 1px solid rgba(31, 74, 74, 0.8);
  padding: 0.35rem 0.55rem;
  background: rgba(31, 74, 74, 0.25);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--rim-aluminium);
  background: var(--bench-black);
  cursor: pointer;
  position: relative;
}

.burger span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--spoke-ice);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 28px; }

.burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.is-open span:nth-child(2) {
  opacity: 0;
}

.burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--rim-aluminium);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn::before {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--valve-red);
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s ease;
}

.btn::after {
  content: '';
  position: absolute;
  left: 1.6rem;
  right: 1.2rem;
  bottom: 8px;
  height: 1px;
  background: transparent;
  transition: background 0.25s ease;
}

.btn:hover::before {
  transform: translateY(-50%) rotate(2deg) translateX(3px);
}

.btn:hover::after {
  background: var(--tension-blue);
}

.btn-primary {
  background: var(--tension-blue);
  color: var(--gauge-white);
  border-color: var(--nipple-brass);
  padding-left: 1.8rem;
}

.btn-primary:hover {
  background: #0f54d6;
  color: var(--gauge-white);
}

.btn-dark {
  background: var(--bench-black);
  color: var(--gauge-white);
  padding-left: 1.8rem;
}

.btn-dark:hover {
  color: var(--spoke-ice);
  border-color: var(--tension-blue);
}

.btn-line {
  background: transparent;
  border: none;
  clip-path: none;
  color: var(--tension-blue);
  padding: 0.4rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}

.btn-line::before,
.btn-line::after {
  display: none;
}

.btn-line span {
  position: relative;
  display: inline-block;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: padding-right 0.25s ease;
}

.btn-line:hover span {
  padding-right: 14px;
}

.btn-line span::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--nipple-brass);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.btn-line:hover span::after {
  opacity: 1;
}

.section {
  position: relative;
  overflow-x: clip;
  max-width: 100%;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 3rem);
}

.bench-bg {
  background:
    radial-gradient(circle at 18% 22%, rgba(26, 107, 255, 0.08), transparent 28%),
    radial-gradient(circle at 78% 30%, rgba(184, 189, 196, 0.09), transparent 32%),
    radial-gradient(circle at 50% 80%, rgba(31, 74, 74, 0.22), transparent 40%),
    linear-gradient(165deg, #0B0C0E 0%, #15181c 45%, #0B0C0E 100%);
}

.bench-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(32deg, transparent 0 42px, rgba(184, 189, 196, 0.03) 42px 43px),
    repeating-linear-gradient(-28deg, transparent 0 58px, rgba(26, 107, 255, 0.025) 58px 59px);
  opacity: 0.7;
}

.gauge-bg {
  background:
    radial-gradient(circle at 90% 10%, rgba(26, 107, 255, 0.06), transparent 25%),
    linear-gradient(180deg, var(--gauge-white) 0%, var(--spoke-ice) 100%);
  color: var(--bench-black);
}

.teal-panel {
  background: var(--grease-teal);
  color: var(--spoke-ice);
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.stagger > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.stagger.is-in > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.is-in > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.is-in > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.is-in > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.is-in > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.is-in > *:nth-child(6) { transition-delay: 0.4s; }
.stagger.is-in > * {
  opacity: 1;
  transform: none;
}

.hero-wobble {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem);
  overflow-x: clip;
  max-width: 100%;
  position: relative;
}

.hero-wobble::before {
  content: '';
  position: absolute;
  width: min(70vw, 720px);
  height: min(70vw, 720px);
  border-radius: 50%;
  border: 1px solid rgba(184, 189, 196, 0.18);
  left: -8%;
  top: 8%;
  pointer-events: none;
}

.hero-wobble::after {
  content: '';
  position: absolute;
  width: min(48vw, 480px);
  height: min(48vw, 480px);
  border-radius: 50%;
  border: 1px dashed rgba(26, 107, 255, 0.25);
  left: 4%;
  top: 18%;
  pointer-events: none;
}

.hero-stage {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.rim-stand {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  margin-left: clamp(0%, 4vw, 8%);
}

.rim-visual {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--rim-aluminium);
  box-shadow:
    0 0 0 12px rgba(42, 46, 51, 0.65),
    0 30px 60px rgba(0, 0, 0, 0.45);
  animation: rimSettle 2.4s ease-out forwards;
  transform: translate(6px, -4px) rotate(-1.2deg);
}

.rim-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spoke-glint {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--spoke-glint-x) var(--spoke-glint-y),
    rgba(232, 238, 242, 0.35),
    transparent 28%
  );
  mix-blend-mode: screen;
  pointer-events: none;
  opacity: 0.65;
}

.rim-outline {
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  border: 1px solid rgba(184, 189, 196, 0.45);
  animation: rimWobble 2.2s ease-out forwards;
}

.caliper {
  position: absolute;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tension-blue), var(--rim-aluminium));
  top: 50%;
  right: -2%;
  transform-origin: right center;
  animation: caliperLock 2s ease-out forwards;
}

.caliper::before,
.caliper::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid var(--rim-aluminium);
  background: var(--bench-black);
  border-radius: 1px;
  top: -4px;
}

.caliper::before { left: 0; }
.caliper::after { right: 0; background: var(--valve-red); width: 6px; height: 6px; border-radius: 50%; top: -2px; }

.spoke-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, rgba(26, 107, 255, 0.1), var(--tension-blue));
  transform-origin: left center;
  opacity: 0;
  animation: spokeLight 2.6s ease forwards;
}

.spoke-line:nth-child(1) { transform: rotate(18deg); animation-delay: 0.2s; }
.spoke-line:nth-child(2) { transform: rotate(54deg); animation-delay: 0.35s; }
.spoke-line:nth-child(3) { transform: rotate(96deg); animation-delay: 0.5s; }
.spoke-line:nth-child(4) { transform: rotate(142deg); animation-delay: 0.65s; }
.spoke-line:nth-child(5) { transform: rotate(198deg); animation-delay: 0.8s; }
.spoke-line:nth-child(6) { transform: rotate(246deg); animation-delay: 0.95s; }

@keyframes rimWobble {
  0% { transform: translate(8px, -6px) scale(1.01); border-color: rgba(198, 40, 40, 0.55); }
  55% { transform: translate(-3px, 2px) scale(1); }
  100% { transform: none; border-color: rgba(184, 189, 196, 0.45); }
}

@keyframes rimSettle {
  0% { transform: translate(6px, -4px) rotate(-1.2deg); }
  70% { transform: translate(-1px, 1px) rotate(0.2deg); }
  100% { transform: none; }
}

@keyframes caliperLock {
  0% { transform: translateX(14px); opacity: 0.4; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes spokeLight {
  0% { opacity: 0; }
  35% { opacity: 1; }
  100% { opacity: 0.45; }
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.hero-arc-title {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.95;
  text-transform: uppercase;
  display: grid;
  gap: 0.35rem;
}

.hero-arc-title .arc {
  font-size: clamp(1.8rem, 5vw, 3.6rem);
  color: var(--spoke-ice);
  transform: rotate(-2deg);
  transform-origin: left center;
}

.hero-arc-title .spoke-strip {
  font-size: clamp(1.1rem, 2.8vw, 1.8rem);
  color: var(--tension-blue);
  border-left: 3px solid var(--nipple-brass);
  padding-left: 0.75rem;
  margin-left: 1.5rem;
}

.hero-arc-title .caliper-note {
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  color: var(--rim-aluminium);
  background: rgba(42, 46, 51, 0.85);
  border: 1px solid rgba(184, 189, 196, 0.35);
  display: inline-block;
  padding: 0.45rem 0.8rem;
  width: fit-content;
  transform: translateX(8%);
}

.tension-note {
  background: var(--gauge-white);
  color: var(--bench-black);
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--tension-blue);
  max-width: 420px;
  animation: tagSlide 0.9s ease-out both;
  animation-delay: 0.4s;
}

.tension-note p {
  font-size: 0.95rem;
}

@keyframes tagSlide {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: none; }
}

.tension-anchor {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--nipple-brass);
  letter-spacing: 0.08em;
}

.spoke-locks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.spoke-lock {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(31, 74, 74, 0.55);
  border: 1px dashed rgba(184, 189, 196, 0.45);
  color: var(--spoke-ice);
  padding: 0.45rem 0.65rem;
  transform: rotate(-1deg);
  animation: tapeOn 0.7s ease both;
}

.spoke-lock:nth-child(2) {
  transform: rotate(1.2deg);
  animation-delay: 0.15s;
}

.spoke-lock:nth-child(3) {
  transform: rotate(-0.6deg);
  animation-delay: 0.3s;
}

@keyframes tapeOn {
  from { opacity: 0; transform: translateY(-10px) rotate(-4deg); }
  to { opacity: 1; }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.marker-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 1.25rem clamp(1rem, 4vw, 3rem);
  background: var(--rubber-grey);
  border-top: 1px solid rgba(184, 189, 196, 0.2);
  border-bottom: 1px solid rgba(184, 189, 196, 0.2);
  overflow-x: clip;
  max-width: 100%;
}

.marker-tag {
  flex: 1 1 140px;
  min-width: 120px;
  border: 1px solid rgba(184, 189, 196, 0.35);
  background: rgba(11, 12, 14, 0.55);
  padding: 0.7rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--rim-aluminium);
  position: relative;
}

.marker-tag::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--valve-red);
}

.marker-tag strong {
  display: block;
  color: var(--spoke-ice);
  margin: 0.35rem 0 0 0.55rem;
  font-weight: 400;
}

.wobble-field {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: stretch;
}

.rim-check {
  position: relative;
  background: var(--rubber-grey);
  border: 1px solid rgba(184, 189, 196, 0.3);
  padding: 1.5rem;
  overflow: hidden;
}

.rim-check img {
  width: 100%;
  height: min(420px, 55vw);
  object-fit: cover;
  border-radius: 50% 50% 12% 50%;
  border: 1px solid var(--rim-aluminium);
}

.rim-check h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  text-transform: uppercase;
  margin: 1rem 0 0.6rem;
  max-width: 14ch;
}

.rim-check p {
  max-width: 48ch;
  color: var(--rim-aluminium);
}

.tension-cards {
  display: grid;
  gap: 0.9rem;
  position: relative;
}

.tension-cards::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: linear-gradient(var(--tension-blue), transparent);
}

.note-card {
  background: var(--gauge-white);
  color: var(--bench-black);
  padding: 1.1rem 1.15rem;
  border-top: 2px solid var(--tension-blue);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.note-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.note-card .code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--grease-teal);
  margin-bottom: 0.35rem;
}

.note-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.note-card p {
  font-size: 0.9rem;
}

.true-outputs {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.true-wheel {
  grid-row: 1 / span 2;
  position: relative;
  background: var(--bench-black);
  border: 1px solid var(--rim-aluminium);
  overflow: hidden;
  min-height: 420px;
}

.true-wheel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  position: absolute;
  inset: 0;
}

.true-wheel .meta,
.spoke-balanced .meta {
  position: relative;
  z-index: 1;
  padding: 1.2rem;
  background: linear-gradient(180deg, transparent, rgba(11, 12, 14, 0.92));
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
}

.true-wheel h3,
.spoke-balanced h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
}

.case-bits {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--rim-aluminium);
  display: grid;
  gap: 0.2rem;
}

.spoke-balanced {
  position: relative;
  min-height: 200px;
  border: 1px solid rgba(184, 189, 196, 0.35);
  overflow: hidden;
  background: var(--rubber-grey);
}

.spoke-balanced img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.spoke-balanced:nth-child(2) { transform: translateY(12px); }
.spoke-balanced:nth-child(3) { transform: translateY(-8px); }
.spoke-balanced:nth-child(4) { grid-column: 2; }
.spoke-balanced:nth-child(5) { grid-column: 3; }

.wobble-caption {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--valve-red);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.thesis {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1.5rem;
  align-items: end;
  position: relative;
}

.thesis-head {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--spoke-ice);
  border: 1px solid var(--rim-aluminium);
  padding: 1.5rem;
  background:
    radial-gradient(circle at 20% 30%, rgba(26, 107, 255, 0.12), transparent 35%),
    var(--bench-black);
}

.thesis-card {
  background: var(--gauge-white);
  color: var(--bench-black);
  padding: 1.4rem;
  transform: translateY(-18%);
}

.runout-float {
  position: absolute;
  right: 8%;
  top: 8%;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--nipple-brass);
  border: 1px dashed var(--nipple-brass);
  padding: 0.4rem 0.6rem;
  background: rgba(11, 12, 14, 0.7);
}

.service-spokes {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
  overflow-x: clip;
}

.hub-core {
  width: min(220px, 42vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--rim-aluminium);
  background:
    radial-gradient(circle at 40% 35%, rgba(232, 238, 242, 0.2), transparent 40%),
    var(--rubber-grey);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  z-index: 2;
  position: relative;
}

.hub-core strong {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.95rem;
}

.hub-core span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--rim-aluminium);
}

.service-spokes .rim-ring {
  position: absolute;
  width: min(560px, 86vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(184, 189, 196, 0.28);
  pointer-events: none;
}

.service-spokes .rim-ring.inner {
  width: min(360px, 60vw);
  border-style: dashed;
  border-color: rgba(26, 107, 255, 0.35);
}

.spoke-service {
  position: absolute;
  width: min(230px, 70vw);
  background: var(--gauge-white);
  color: var(--bench-black);
  padding: 1rem;
  border: 1px solid var(--rim-aluminium);
  transition: transform 0.3s ease;
  z-index: 3;
}

.spoke-service:hover {
  transform: translateY(-4px);
}

.spoke-service.primary {
  width: min(270px, 78vw);
  border-color: var(--tension-blue);
  box-shadow: 0 0 0 1px rgba(26, 107, 255, 0.25);
}

.spoke-service .code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--grease-teal);
}

.spoke-service h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  margin: 0.3rem 0;
}

.spoke-service p {
  font-size: 0.82rem;
}

.spoke-service .runout-note {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--valve-red);
  margin-top: 0.45rem;
}

.s1 { top: 4%; left: 50%; transform: translateX(-50%); }
.s2 { top: 22%; right: 4%; }
.s3 { bottom: 14%; right: 10%; }
.s4 { bottom: 6%; left: 50%; transform: translateX(-50%); }
.s5 { bottom: 18%; left: 4%; }
.s6 { top: 24%; left: 3%; }

.proof {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 1rem;
}

.proof-uneven {
  background: linear-gradient(160deg, #1a1010, var(--rubber-grey));
  border: 1px solid rgba(198, 40, 40, 0.45);
  padding: 1.5rem;
  transform: rotate(-0.6deg);
}

.proof-true {
  background: linear-gradient(160deg, #0d1a14, var(--grease-teal));
  border: 1px solid rgba(26, 107, 255, 0.4);
  padding: 1.8rem 1.6rem;
  transform: rotate(0.4deg);
}

.proof h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

.proof-markers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.proof-markers span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  border: 1px solid rgba(232, 238, 242, 0.3);
  padding: 0.35rem 0.5rem;
}

.about-method {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.about-method img {
  width: 100%;
  height: min(460px, 70vw);
  object-fit: cover;
  border: 1px solid var(--rim-aluminium);
  clip-path: polygon(8% 0, 100% 0, 100% 88%, 92% 100%, 0 100%, 0 12%);
}

.about-method h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.sequence {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
}

.seq-step {
  border: 1px solid rgba(184, 189, 196, 0.3);
  background: rgba(42, 46, 51, 0.7);
  padding: 1rem 0.8rem;
  min-height: 160px;
  position: relative;
}

.seq-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--tension-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.seq-step.is-in::before,
.seq-step:hover::before {
  transform: scaleX(1);
}

.seq-step .n {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--nipple-brass);
}

.seq-step h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin: 0.5rem 0;
  font-size: 1rem;
}

.seq-step p {
  font-size: 0.8rem;
  color: var(--rim-aluminium);
}

.marquee-wrap {
  overflow: hidden;
  max-width: 100vw;
  border-top: 1px solid rgba(184, 189, 196, 0.25);
  border-bottom: 1px solid rgba(184, 189, 196, 0.25);
  background: var(--rubber-grey);
  padding: 0.85rem 0;
}

.marquee-row {
  display: flex;
  width: max-content;
  gap: 2rem;
  animation: marqueeL 38s linear infinite;
}

.marquee-row.reverse {
  animation-name: marqueeR;
  margin-top: 0.55rem;
}

.marquee-row span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rim-aluminium);
  white-space: nowrap;
}

@keyframes marqueeL {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeR {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.cta-rim {
  text-align: left;
  padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 3rem);
  position: relative;
  overflow-x: clip;
}

.cta-frame {
  max-width: 780px;
  margin-left: auto;
  border: 2px solid var(--rim-aluminium);
  border-radius: 50% 12% 50% 12%;
  padding: clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(circle at 30% 40%, rgba(26, 107, 255, 0.18), transparent 45%),
    rgba(11, 12, 14, 0.86);
}

.cta-frame h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.contact-preview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  color: var(--bench-black);
}

.contact-preview .panel {
  background: var(--gauge-white);
  border: 1px solid var(--rim-aluminium);
  padding: 1.4rem;
}

.contact-preview h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.contact-lines {
  display: grid;
  gap: 0.55rem;
  font-size: 0.95rem;
}

.contact-lines .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--grease-teal);
}

.map-frame {
  width: 100%;
  min-height: 240px;
  border: 1px solid var(--rim-aluminium);
  filter: grayscale(0.35) contrast(1.05);
}

.footer-truing {
  background: var(--bench-black);
  color: var(--rim-aluminium);
  padding: 3rem clamp(1rem, 4vw, 3rem) 2rem;
  border-top: 1px solid rgba(184, 189, 196, 0.25);
  overflow-x: clip;
  max-width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-truing h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--spoke-ice);
  margin-bottom: 0.8rem;
}

.footer-truing a {
  color: var(--rim-aluminium);
  font-size: 0.88rem;
}

.footer-truing a:hover {
  color: var(--tension-blue);
}

.footer-truing ul {
  display: grid;
  gap: 0.4rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  border-top: 1px solid rgba(184, 189, 196, 0.18);
  padding-top: 1rem;
}

.page-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1rem, 4vw, 3rem);
  overflow-x: clip;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  text-transform: uppercase;
  line-height: 1.05;
  max-width: 16ch;
}

.page-hero p {
  max-width: 52ch;
  margin-top: 1rem;
  color: var(--rim-aluminium);
}

.rim-segment-title {
  display: inline-block;
  border: 1px solid var(--rim-aluminium);
  padding: 0.6rem 1rem;
  background: rgba(42, 46, 51, 0.7);
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.content-wrap {
  max-width: 1100px;
  margin: 0 auto;
}

.prose {
  color: inherit;
}

.prose h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  margin: 2rem 0 0.8rem;
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 1.4rem 0 0.5rem;
  text-transform: uppercase;
}

.prose p {
  margin-bottom: 1rem;
  max-width: 72ch;
}

.prose ul {
  margin: 0 0 1rem 1rem;
  list-style: disc;
}

.prose li {
  margin-bottom: 0.4rem;
}

.legal-page {
  background: var(--gauge-white);
  color: var(--bench-black);
}

.legal-page .truing-header {
  background: rgba(244, 247, 250, 0.96);
  border-bottom-color: rgba(42, 46, 51, 0.15);
}

.legal-page .brand-name,
.legal-page .nav-spoke a {
  color: var(--rubber-grey);
}

.legal-page .nav-spoke a:hover,
.legal-page .nav-spoke a.is-active {
  color: var(--tension-blue);
}

.legal-page .rotation-status {
  color: var(--grease-teal);
}

.legal-shell {
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem) 4rem;
  max-width: 920px;
  margin: 0 auto;
}

.legal-shell h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.faq {
  display: grid;
  gap: 0.6rem;
}

.faq-item {
  border: 1px solid rgba(184, 189, 196, 0.4);
  background: var(--gauge-white);
  color: var(--bench-black);
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 1rem 1.1rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--bench-black);
  position: relative;
}

.faq-item button::after {
  content: '+';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--tension-blue);
}

.faq-item.is-open button::after {
  content: '–';
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.is-open .faq-panel {
  max-height: 320px;
}

.faq-panel p {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.92rem;
}

.form-note {
  background: var(--gauge-white);
  color: var(--bench-black);
  border: 1px solid var(--rim-aluminium);
  padding: 1.5rem;
  position: relative;
}

.form-note::before {
  content: 'TRUING REQUEST';
  position: absolute;
  top: -0.55rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--tension-blue);
  color: var(--gauge-white);
  padding: 0.2rem 0.5rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  color: var(--grease-teal);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--rim-aluminium);
  background: var(--spoke-ice);
  color: var(--bench-black);
  padding: 0.85rem 0.9rem;
  font-size: 1rem;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--tension-blue);
  outline-offset: 1px;
}

.field input.is-invalid,
.field textarea.is-invalid {
  border-color: var(--valve-red);
}

.field .error {
  display: none;
  font-size: 0.8rem;
  color: var(--valve-red);
  margin-top: 0.3rem;
}

.field .error.show {
  display: block;
}

.portfolio-map {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}

.portfolio-map.alt {
  grid-template-columns: 0.8fr 1.3fr 0.9fr;
}

.portfolio-map.wide {
  grid-template-columns: 1fr 1fr;
}

.case-node {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  border: 1px solid rgba(184, 189, 196, 0.35);
  background: var(--rubber-grey);
}

.case-node.large {
  min-height: 420px;
}

.case-node img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.case-node .body {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 20%, rgba(11, 12, 14, 0.92));
}

.accordion-services {
  display: grid;
  gap: 0.7rem;
}

.acc-block {
  border: 1px solid rgba(184, 189, 196, 0.35);
  background: rgba(42, 46, 51, 0.55);
}

.acc-block summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  list-style: none;
}

.acc-block summary::-webkit-details-marker {
  display: none;
}

.acc-block .acc-body {
  padding: 0 1.1rem 1.1rem;
  color: var(--rim-aluminium);
}

.counter {
  font-family: var(--font-mono);
  color: var(--nipple-brass);
}

.line-icon {
  width: 42px;
  height: 42px;
  stroke: var(--tension-blue);
  fill: none;
  stroke-width: 1.5;
}

.line-icon path,
.line-icon circle,
.line-icon line {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  transition: stroke-dashoffset 0.9s ease;
}

.is-in .line-icon path,
.is-in .line-icon circle,
.is-in .line-icon line {
  stroke-dashoffset: 0;
}

.thanks-shell {
  min-height: calc(100vh - var(--header-h) - 220px);
  display: grid;
  place-items: center;
  padding: 3rem 1rem;
}

.thanks-card {
  max-width: 560px;
  border: 1px solid var(--rim-aluminium);
  padding: 2rem;
  background: rgba(42, 46, 51, 0.7);
  text-align: left;
}

.thanks-card h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

@media (hover: hover) and (min-width: 1025px) {
  .parallax-shift {
    will-change: transform;
  }
}

@media (max-width: 1024px) {
  .hero-wobble {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .rim-stand {
    margin: 0 auto;
    width: min(100%, 420px);
  }

  .wobble-field,
  .thesis,
  .about-method,
  .proof,
  .contact-preview,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .true-outputs {
    grid-template-columns: 1fr 1fr;
  }

  .true-wheel {
    grid-row: auto;
    grid-column: 1 / -1;
    min-height: 320px;
  }

  .spoke-balanced:nth-child(2),
  .spoke-balanced:nth-child(3),
  .spoke-balanced:nth-child(4),
  .spoke-balanced:nth-child(5) {
    transform: none;
    grid-column: auto;
  }

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

  .service-spokes {
    display: block;
    min-height: 0;
  }

  .hub-core,
  .service-spokes .rim-ring {
    display: none;
  }

  .spoke-service,
  .spoke-service.primary,
  .s1, .s2, .s3, .s4, .s5, .s6 {
    position: static;
    width: 100%;
    transform: none !important;
    margin-bottom: 0.7rem;
  }

  .thesis-card {
    transform: none;
  }

  .runout-float {
    position: static;
    display: inline-block;
    margin-bottom: 0.8rem;
  }

  .portfolio-map,
  .portfolio-map.alt,
  .portfolio-map.wide {
    grid-template-columns: 1fr;
  }

  .spoke-glint {
    display: none;
  }
}

.mobile-panel {
  display: none;
}

@media (max-width: 860px) {
  .nav-spoke,
  .rotation-status,
  .header-actions .btn {
    display: none;
  }

  .burger {
    display: inline-block;
  }

  .mobile-panel {
    display: block;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--bench-black);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
    padding: 1.5rem;
    overflow-y: auto;
  }

  .mobile-panel.is-open {
    transform: none;
  }

  .mobile-panel a {
    display: block;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--spoke-ice);
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(184, 189, 196, 0.2);
  }

  .mobile-panel .btn {
    margin-top: 1.2rem;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .true-outputs,
  .sequence {
    grid-template-columns: 1fr;
  }

  .hero-arc-title .arc,
  .hero-arc-title .spoke-strip,
  .hero-arc-title .caliper-note {
    transform: none;
    margin-left: 0;
  }

  .cta-frame {
    border-radius: 18px;
  }

  .btn {
    width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
}