:root {
  color-scheme: dark;
  /* --bg: #0d0d0b; */
  --bg: #0c0c0a;
  --bg-soft: #141410;
  --ink: #e7e0d0;
  --muted: #928b7d;
  --dim: #5d574c;
  --rule: rgba(231, 224, 208, 0.16);
  --rule-strong: rgba(231, 224, 208, 0.32);
  --accent: #b64032;
  --accent-dark: #2a1110;
  --field: rgba(231, 224, 208, 0.045);
  --max: 84.286rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding-top: env(safe-area-inset-top, 0px);
  color: var(--ink);
  font-family: "Commit Mono", "CommitMono", "SFMono-Regular", "IBM Plex Mono", "Cascadia Code", Consolas, monospace;
  background:
    radial-gradient(circle at 14% 4%, rgba(182, 64, 50, 0.13), transparent 30rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.025), transparent 18rem),
    var(--bg);
  letter-spacing: -0.025em;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(231, 224, 208, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 224, 208, 0.018) 1px, transparent 1px);
  background-size: 3.8rem 3.8rem;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 70%);
}

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

button,
input,
textarea {
  font: inherit;
}

::selection {
  color: var(--ink);
  background: var(--accent);
}

.page-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), var(--rule) 50%, transparent calc(50% + 1px)),
    linear-gradient(90deg, transparent calc(25% - 1px), rgba(231, 224, 208, 0.06) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), rgba(231, 224, 208, 0.06) 75%, transparent calc(75% + 1px));
}

.site-header {
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--max) + 3rem);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--rule);
  background: transparent;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 1.55rem;
  height: 1.55rem;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  padding-bottom: 0.2rem;
}

.site-nav a:first-child {
  color: var(--ink);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: auto;
  width: 0;
  height: 1px;
  content: "";
  background: var(--accent);
  transition: width 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  left: 0;
  width: 100%;
}

main {
  max-width: calc(var(--max) + 3rem);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.page-shell {
  max-width: calc(var(--max) + 3rem);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(24rem, 0.95fr);
  gap: 2rem;
  min-height: 56vh;
  padding: 2.8rem 0 2.1rem;
  border-bottom: 1px solid var(--rule-strong);
}

.hero-main {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 1.4rem;
  align-self: center;
  align-items: start;
}

.hero-rail {
  display: grid;
  gap: 1rem;
  align-self: center;
  min-width: 0;
}

.hero-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  height: clamp(26rem, 48vh, 38rem);
  margin: 0;
  overflow: hidden;
  padding: 0;
}

.hero-diagram img {
  display: block;
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: contain;
  transform: none;
}

.label-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  color: var(--dim);
  font-size: 0.67rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.hero-copy {
  max-width: 66rem;
}

.eyebrow,
.card-kicker,
label {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 13.25ch;
  margin-bottom: 1.1rem;
  font-size: clamp(3.25rem, 8.4vw, 7.35rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.09em;
}

h1 span {
  display: block;
  transform: translateX(var(--optical-title-offset, 0));
}

h1 span:nth-child(2) {
  --optical-title-offset: -0.075em;
}

h1 span:nth-child(3) {
  --optical-title-offset: -0.08em;
}

h1 span:nth-child(4) {
  --optical-title-offset: -0.13em;
}

.lede {
  max-width: 43rem;
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  background: transparent;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.button-primary,
button {
  color: var(--ink);
  border-color: rgba(182, 64, 50, 0.75);
  background: linear-gradient(135deg, var(--accent-dark), rgba(182, 64, 50, 0.2));
}

.button-secondary {
  color: var(--muted);
}

.button:hover,
.button:focus-visible,
button:hover,
button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.schematic-card {
  position: relative;
  min-height: 17rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  background:
    linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    linear-gradient(var(--rule) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    rgba(20, 20, 16, 0.45);
}

.schematic-card::before,
.schematic-card::after {
  position: absolute;
  content: "";
  border: 1px solid var(--accent);
}

.schematic-card::before {
  top: 4.5rem;
  left: 2.2rem;
  width: 7rem;
  height: 7rem;
  border-right: 0;
  border-bottom: 0;
}

.schematic-card::after {
  right: 2rem;
  bottom: 5rem;
  width: 4rem;
  height: 4rem;
  border-top: 0;
  border-left: 0;
  opacity: 0.7;
}

.schematic-rule {
  width: 55%;
  height: 1px;
  margin: 5.8rem 0 2.6rem auto;
  background: var(--accent);
}

.schematic-card ol {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.schematic-card li span {
  margin-right: 0.55rem;
  color: var(--accent);
}

.notes {
  display: grid;
  grid-template-columns: 0.8fr 1.7fr;
  gap: 2rem;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--rule);
}

.section-heading h2,
.request-intro h2 {
  max-width: 12ch;
  margin: 0.65rem 0 0;
  font-size: clamp(2rem, 4vw, 4.15rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.note-grid article {
  min-height: 14rem;
  padding: 1rem;
  background: rgba(13, 13, 11, 0.9);
}

.note-index {
  color: var(--accent);
  font-size: 0.72rem;
}

.note-grid h3 {
  margin: 3.6rem 0 0.85rem;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.note-grid p,
.request-intro p,
.form-footer p {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--rule-strong);
}

.signal-band p {
  min-height: 8rem;
  padding: 1rem;
  margin: 0;
  color: var(--muted);
  border-right: 1px solid var(--rule);
  font-size: 0.76rem;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.signal-band p:last-child {
  color: var(--ink);
  border-right: 0;
}

.request-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 2.5rem;
  padding: 3.5rem 0 0;
}

.request-intro {
  position: sticky;
  top: 6.5rem;
  align-self: start;
}

.request-intro p:last-child {
  max-width: 25rem;
  margin-top: 1.4rem;
}

.request-form {
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--rule-strong);
}

.intake-sections {
  display: grid;
  gap: 1rem;
}

.intake-section {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 1.25rem 0 1.4rem;
  border-bottom: 1px solid var(--rule);
}

.intake-section:first-child {
  gap: 1.35rem;
}

.intake-section-heading {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.9rem;
}

.intake-section-index {
  margin: 0;
  color: var(--dim);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.intake-section h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.field-row {
  display: grid;
  gap: 0.65rem;
}

.intake-section:first-child .field-row {
  gap: 0.85rem;
}

.intake-section:first-child .form-split .field-row + .field-row {
  margin-top: 0.7rem;
}

.intake-section:first-child .form-split {
  gap: 1.5rem;
  margin-top: 0.25rem;
}

.field-label {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.split-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.split-fields > div {
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.intake-section-contact {
  gap: 1.2rem;
}

.intake-section-contact .intake-section-heading {
  margin-bottom: 0.25rem;
}

input,
textarea {
  width: 100%;
  color: var(--ink);
  border: 1px solid transparent;
  border-left-color: var(--rule-strong);
  background: var(--field);
  outline: none;
}

input {
  min-height: 3rem;
  padding: 0 0.85rem;
}

textarea {
  min-height: 7rem;
  padding: 0.85rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--dim);
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  background: rgba(182, 64, 50, 0.055);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pill {
  min-height: 2.4rem;
  padding: 0.55rem 0.8rem;
  color: var(--muted);
  border-color: var(--rule);
  background:
    linear-gradient(135deg, rgba(182, 64, 50, 0.08), rgba(182, 64, 50, 0)),
    rgba(20, 20, 16, 0.55);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: none;
}

.pill:hover,
.pill:focus-visible {
  color: var(--ink);
  border-color: var(--rule-strong);
}

.pill.active,
.pill[aria-pressed="true"] {
  color: var(--ink);
  border-color: rgba(182, 64, 50, 0.75);
  background: linear-gradient(135deg, var(--accent-dark), rgba(182, 64, 50, 0.22));
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.8rem 0.9rem;
  color: var(--muted);
  border: 1px solid var(--rule);
  background: rgba(20, 20, 16, 0.45);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
  user-select: none;
}

.check-item:hover,
.check-item:has(input:focus-visible) {
  color: var(--ink);
  border-color: var(--rule-strong);
}

.check-item input[type="checkbox"] {
  appearance: none;
  width: 1rem;
  height: 1rem;
  margin: 0;
  border: 1px solid var(--rule-strong);
  background: transparent;
  flex-shrink: 0;
  position: relative;
}

.check-item input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: rgba(182, 64, 50, 0.14);
}

.check-item input[type="checkbox"]:checked::after {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.42rem;
  height: 0.42rem;
  content: "";
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.check-item:has(input:checked) {
  color: var(--ink);
  border-color: rgba(182, 64, 50, 0.55);
  background: linear-gradient(135deg, rgba(182, 64, 50, 0.13), rgba(182, 64, 50, 0.02));
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.4rem;
}

.form-footer p {
  max-width: 30rem;
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--rule-strong);
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: calc(var(--max) + 3rem);
  margin: 0 auto;
  padding: 1rem 1.5rem 1.4rem;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.6;
}

.site-footer-inner p {
  margin: 0;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.site-footer-nav a {
  position: relative;
}

.site-footer-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.15rem;
  left: auto;
  width: 0;
  height: 1px;
  content: "";
  background: var(--accent);
  transition: width 160ms ease;
}

.site-footer-nav a:hover::after,
.site-footer-nav a:focus-visible::after {
  left: 0;
  width: 100%;
}

.legal-page {
  padding-top: 3.25rem;
}

.legal-page main {
  padding-bottom: 2rem;
}

.legal-header {
  display: grid;
  gap: 1rem;
  max-width: 54rem;
  padding: 0 0 2rem;
  border-bottom: 1px solid var(--rule);
}

.legal-header h1 {
  max-width: none;
  margin-bottom: 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.92;
}

.legal-header p {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.legal-content {
  display: grid;
  gap: 1.6rem;
  max-width: 54rem;
  padding-top: 2rem;
}

.legal-block {
  display: grid;
  gap: 0.65rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--rule);
}

.legal-block h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.legal-block p,
.legal-block li {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.legal-block ul {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.2rem;
}

@media (max-width: 960px) {
  .hero,
  .notes,
  .request-section {
    grid-template-columns: 1fr;
  }

  .hero-main {
    grid-template-columns: 1fr;
  }

  .label-stack {
    flex-direction: row;
    writing-mode: initial;
  }

  .hero {
    min-height: auto;
    padding: 2.4rem 0 1.8rem;
  }

  .hero-rail {
    align-self: stretch;
  }

  .schematic-card {
    min-height: 16rem;
  }

  .hero-diagram {
    height: 24rem;
  }

  .hero-diagram img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transform: none;
  }

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

  .note-grid article {
    min-height: auto;
  }

  .note-grid h3 {
    margin-top: 2.5rem;
  }

  .signal-band {
    grid-template-columns: repeat(2, 1fr);
  }

  .request-intro {
    position: static;
  }

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

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    padding: 0.85rem;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.7rem;
  }

  main {
    padding: 0 0.85rem 3rem;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-diagram {
    padding: 0.75rem;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.8rem);
  }

  .split-fields,
  .signal-band {
    grid-template-columns: 1fr;
  }

  .intake-section:first-child .form-split {
    gap: 1.85rem;
  }

  .intake-section-heading {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .intake-section {
    padding-top: 1rem;
  }

  .signal-band p {
    min-height: auto;
    border-right: 0;
  }

  .form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0.85rem 1.2rem;
  }

  .site-footer-nav {
    justify-content: flex-start;
  }
}