:root {
  --graphite: #101318;
  --panel: #171b22;
  --line: #2a303b;
  --ink: #f4f7fb;
  --muted: #a8b2c2;
  --blue: #2e8cff;
  --silver: #d5dde8;
  --red: #e23b4b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(46, 140, 255, 0.16), transparent 32rem),
    linear-gradient(180deg, #0b0d11 0%, var(--graphite) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

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

h1 {
  max-width: 12ch;
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 46rem;
  margin-top: 1rem;
  color: var(--silver);
  font-size: 1rem;
  line-height: 1.55;
}

h2 {
  font-size: 1.6rem;
}

h3 {
  font-size: 1.05rem;
}

.eyebrow {
  margin-bottom: 0.45rem;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.78fr);
  gap: 1rem;
  padding: clamp(1rem, 4vw, 3rem);
}

.customer-layout,
.admin-layout {
  grid-template-columns: minmax(0, 1fr);
}

.customer-layout {
  max-width: 88rem;
  margin: 0 auto;
}

.process-section {
  display: grid;
  gap: 1rem;
}

.process-copy {
  display: grid;
  gap: 0.65rem;
  max-width: 60rem;
}

.process-copy p:not(.eyebrow) {
  color: var(--silver);
  line-height: 1.55;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.process-grid article {
  display: grid;
  gap: 0.5rem;
  min-height: 10rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(23, 27, 34, 0.72);
}

.process-grid span {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.process-grid p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.panel {
  padding: clamp(1rem, 3vw, 1.5rem);
  background: rgba(23, 27, 34, 0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1.25rem 3rem rgba(0, 0, 0, 0.26);
}

.panel-heading {
  margin-bottom: 1rem;
}

.form-heading {
  margin-top: 1.25rem;
}

.selector-block {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.selector-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.selector-title p {
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.engine-grid,
.tune-grid {
  display: grid;
  gap: 0.75rem;
}

.engine-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tune-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.engine-card,
.tune-card {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  min-height: 11rem;
  border: 1px solid #313947;
  border-radius: 8px;
  padding: 1rem;
  text-align: left;
  color: var(--ink);
  background: #10141b;
}

.engine-card:hover,
.tune-card:hover,
.engine-card.selected,
.tune-card.selected {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(46, 140, 255, 0.45);
}

.engine-card span,
.tune-card span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.engine-card strong,
.tune-card strong {
  font-size: 1.18rem;
  line-height: 1.15;
}

.engine-card small {
  color: var(--silver);
  font-weight: 800;
}

.engine-card p,
.tune-card p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.tune-card dl {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.tune-card dl div {
  display: grid;
  gap: 0.1rem;
}

.tune-card dt {
  color: var(--silver);
  font-weight: 900;
}

.tune-card dd {
  margin: 0;
}

.selected-build {
  display: grid;
  gap: 0.3rem;
  border: 1px solid rgba(46, 140, 255, 0.44);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(46, 140, 255, 0.1);
}

.selected-build span {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.selected-build strong {
  font-size: 1.25rem;
}

.selected-build p {
  color: var(--silver);
  line-height: 1.45;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--silver);
  font-size: 0.86rem;
  font-weight: 700;
}

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

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid #374050;
  border-radius: 8px;
  padding: 0.72rem 0.78rem;
  color: var(--ink);
  background: #0d1015;
  font: inherit;
}

input[type="checkbox"] {
  width: 1.05rem;
  min-height: 1.05rem;
  accent-color: var(--blue);
}

textarea {
  min-height: 6rem;
  resize: vertical;
}

.acknowledgements {
  display: grid;
  gap: 0.7rem;
  border: 1px solid #374050;
  border-radius: 8px;
  margin: 0;
  padding: 1rem;
  background: #0d1015;
}

.acknowledgements legend {
  padding: 0 0.35rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.acknowledgements label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  color: var(--silver);
  font-size: 0.85rem;
  line-height: 1.4;
}

button {
  min-height: 2.75rem;
  border: 0;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: white;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary {
  background: var(--blue);
}

.secondary {
  color: var(--ink);
  background: #293140;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  border: 1px solid #415066;
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  color: var(--silver);
  background: rgba(16, 19, 24, 0.8);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.admin-key {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.orders-list {
  display: grid;
  gap: 0.85rem;
}

.order-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: #11151c;
}

.order-card-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 0.75rem;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.meta-grid div {
  min-width: 0;
}

.meta-grid dt {
  color: var(--silver);
  font-weight: 800;
}

.meta-grid dd {
  margin: 0.1rem 0 0;
  overflow-wrap: anywhere;
}

.tune-form {
  display: grid;
  gap: 0.75rem;
}

.result {
  margin-top: 1rem;
  color: var(--silver);
  font-size: 0.9rem;
  line-height: 1.5;
}

.result a {
  color: var(--blue);
  font-weight: 800;
}

.error {
  color: #ff7c88;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.site-footer div {
  max-width: 34rem;
}

@media (max-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .engine-grid,
  .tune-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .admin-key {
    grid-template-columns: 1fr;
  }

  .selector-title {
    align-items: start;
    flex-direction: column;
  }

  .site-footer {
    flex-direction: column;
  }
}