:root {
  color-scheme: dark;
  --bg: #0b0c0a;
  --surface: #11130f;
  --surface-raised: #151812;
  --paper: #f2eadc;
  --muted: #aaa99f;
  --subtle: #8b8d84;
  --line: rgba(242, 234, 220, 0.14);
  --line-strong: rgba(242, 234, 220, 0.26);
  --signal: #d6ff66;
  --signal-soft: rgba(214, 255, 102, 0.14);
  --focus: #e5ff9d;
  --error: #ffb1a7;
  --content: 1180px;
  --reading: 720px;
  --radius-small: 10px;
  --radius: 18px;
  --radius-large: 26px;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 72% 12%, rgba(214, 255, 102, 0.06), transparent 27rem),
    radial-gradient(circle at 18% 48%, rgba(214, 255, 102, 0.025), transparent 28rem),
    var(--bg);
  font-family: "Avenir Next", Avenir, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: radial-gradient(circle at 50% 36%, #000 0%, transparent 78%);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: #11140d;
  background: var(--signal);
  font-size: 0.85rem;
  font-weight: 750;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 12, 10, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-size: 0.96rem;
  font-weight: 780;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  border-radius: 3px;
  background: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-soft);
  transform: rotate(12deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2rem);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 680;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--paper);
}

.site-nav .nav-cta {
  min-height: 42px;
  padding: 0 1.05rem;
  border: 1px solid rgba(214, 255, 102, 0.34);
  border-radius: 999px;
  color: var(--paper);
  background: rgba(214, 255, 102, 0.04);
}

.hero {
  position: relative;
  min-height: calc(100svh - 74px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  position: absolute;
  right: -10rem;
  bottom: -18rem;
  width: 40rem;
  height: 40rem;
  border: 1px solid rgba(214, 255, 102, 0.06);
  border-radius: 50%;
  box-shadow: 0 0 0 7rem rgba(214, 255, 102, 0.012), 0 0 0 14rem rgba(214, 255, 102, 0.008);
  content: "";
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -11rem;
  right: 8%;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: rgba(214, 255, 102, 0.045);
  filter: blur(100px);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(calc(100% - 3rem), var(--content));
  min-height: calc(100svh - 74px);
  margin: 0 auto;
  padding: clamp(5.5rem, 10vw, 9rem) 0 clamp(4.5rem, 8vw, 7rem);
  align-items: center;
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, 0.84fr);
  gap: clamp(3rem, 7vw, 7rem);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 1.35rem;
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--paper);
}

h1 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(3.1rem, 6vw, 5.25rem);
  font-weight: 590;
  letter-spacing: -0.06em;
  line-height: 0.92;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.55rem, 5.3vw, 5rem);
  font-weight: 590;
  letter-spacing: -0.052em;
  line-height: 0.98;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0;
  font-size: 1.15rem;
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.hero-lede {
  max-width: 660px;
  margin: 1.8rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.35rem;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 1.45rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 760;
  cursor: pointer;
  touch-action: manipulation;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease, filter 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  border: 1px solid var(--signal);
  color: #12140e;
  background: var(--signal);
}

.button-primary:hover {
  filter: brightness(1.05);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  color: var(--paper);
  background: rgba(255, 255, 255, 0.025);
}

.button-secondary:hover {
  border-color: rgba(214, 255, 102, 0.38);
  background: rgba(214, 255, 102, 0.04);
}

.hero-facts {
  display: grid;
  max-width: 650px;
  margin: 3rem 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.hero-facts div {
  padding: 1rem 1.2rem 1.05rem 0;
}

.hero-facts div + div {
  padding-left: 1.2rem;
  border-left: 1px solid var(--line);
}

.hero-facts dt {
  margin-bottom: 0.32rem;
  color: var(--subtle);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  color: var(--paper);
  font-size: 0.92rem;
  font-weight: 680;
}

.system-visual {
  position: relative;
  min-height: 570px;
  padding: 4.5rem 1.4rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background:
    linear-gradient(180deg, rgba(214, 255, 102, 0.035), transparent 32%),
    rgba(17, 19, 15, 0.72);
  box-shadow: var(--shadow);
}

.system-visual::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(#000, transparent 82%);
  pointer-events: none;
}

.system-signal {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 3rem;
  background: linear-gradient(transparent, var(--line-strong));
}

.system-signal span {
  position: absolute;
  bottom: -3px;
  left: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 6px var(--signal-soft), 0 0 22px rgba(214, 255, 102, 0.24);
}

.system-card {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(11, 12, 10, 0.84);
}

.system-card-primary strong {
  display: block;
  max-width: 16ch;
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  font-weight: 590;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.system-kicker {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--signal);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.system-track {
  position: relative;
  z-index: 2;
  height: 60px;
  margin: 0 2rem;
}

.track-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--line-strong);
}

.track-line::after {
  position: absolute;
  bottom: 0;
  left: -2rem;
  width: 4rem;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.track-node {
  position: absolute;
  left: calc(50% - 3px);
  width: 7px;
  height: 7px;
  border: 1px solid var(--signal);
  border-radius: 50%;
  background: var(--bg);
}

.track-node-one { top: 13px; }
.track-node-two { top: 29px; }
.track-node-three { bottom: -3px; background: var(--signal); box-shadow: 0 0 0 5px var(--signal-soft); }

.system-phases {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-phases li {
  display: grid;
  min-height: 78px;
  align-items: center;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(5, 6, 5, 0.42);
  grid-template-columns: 52px 1fr;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.system-phases li:hover {
  border-color: rgba(214, 255, 102, 0.34);
  background: rgba(214, 255, 102, 0.035);
  transform: translateX(-3px);
}

.system-phases li > span {
  color: var(--signal);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.system-phases strong,
.system-phases small {
  display: block;
}

.system-phases strong {
  margin-bottom: 0.18rem;
  font-size: 0.98rem;
}

.system-phases small {
  color: var(--subtle);
  font-size: 0.78rem;
}

.system-status {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.system-status span {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px var(--signal-soft);
}

.section {
  position: relative;
  padding: clamp(6rem, 10vw, 9rem) 1.5rem;
  border-bottom: 1px solid var(--line);
}

.section-inner {
  width: min(100%, var(--content));
  margin: 0 auto;
}

.section-statement h2 {
  max-width: 980px;
}

.problem-grid {
  display: grid;
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.problem-grid article {
  min-height: 300px;
  padding: 2rem clamp(1.25rem, 3vw, 2.5rem) 2.4rem 0;
}

.problem-grid article + article {
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  border-left: 1px solid var(--line);
}

.problem-grid article > span,
.ledger-index {
  display: block;
  color: var(--signal);
  font-size: 0.69rem;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.problem-grid h3 {
  max-width: 17ch;
  margin-top: 3.2rem;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 590;
  line-height: 1.08;
}

.problem-grid p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.section-method {
  background:
    radial-gradient(circle at 16% 50%, rgba(214, 255, 102, 0.045), transparent 24rem),
    rgba(17, 19, 15, 0.55);
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(4rem, 8vw, 8rem);
}

.method-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}

.method-heading > p:last-child,
.section-heading > p:last-child,
.fit-lede,
.contact-copy > p:not(.eyebrow):not(.claim-boundary) {
  max-width: 620px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.method-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-steps li {
  position: relative;
  display: grid;
  min-height: 270px;
  padding: 0 0 3.5rem;
  grid-template-columns: 72px 1fr;
  gap: 1.3rem;
}

.method-steps li:not(:last-child)::before {
  position: absolute;
  top: 52px;
  bottom: 0;
  left: 25px;
  width: 1px;
  background: linear-gradient(var(--line-strong), var(--line));
  content: "";
}

.step-marker {
  position: relative;
  z-index: 2;
  display: grid;
  width: 52px;
  height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  place-items: center;
}

.step-marker span {
  color: var(--signal);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.step-label {
  margin: 0 0 0.75rem;
  color: var(--signal);
  font-size: 0.68rem;
  font-weight: 740;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.method-steps h3 {
  max-width: 21ch;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 590;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.method-steps div > p:last-child {
  max-width: 560px;
  margin: 1.1rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-heading {
  display: grid;
  max-width: 860px;
}

.build-ledger {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.build-ledger article {
  display: grid;
  min-height: 150px;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 80px minmax(0, 1fr) auto;
  gap: 1.4rem;
  transition: background 180ms ease, padding 180ms ease;
}

.build-ledger article:hover {
  padding-right: 1.2rem;
  padding-left: 1.2rem;
  background: rgba(214, 255, 102, 0.025);
}

.build-ledger h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 590;
}

.build-ledger p {
  max-width: 700px;
  margin: 0.7rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.ledger-tag {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--subtle);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-contrast {
  background: rgba(17, 19, 15, 0.55);
}

.contrast-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(3rem, 7vw, 7rem);
}

.contrast-layout h2 {
  max-width: 8ch;
}

.contrast-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contrast-grid article {
  min-height: 420px;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 12, 10, 0.6);
}

.contrast-grid .contrast-signal {
  border-color: rgba(214, 255, 102, 0.27);
  background:
    linear-gradient(180deg, rgba(214, 255, 102, 0.055), transparent 45%),
    rgba(11, 12, 10, 0.72);
}

.contrast-label {
  margin: 0 0 3rem;
  color: var(--subtle);
  font-size: 0.7rem;
  font-weight: 740;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.contrast-signal .contrast-label {
  color: var(--signal);
}

.contrast-grid ul,
.fit-lists ul {
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contrast-grid li,
.fit-lists li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--muted);
  line-height: 1.55;
}

.contrast-grid li::before,
.fit-lists li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--subtle);
  content: "";
}

.contrast-signal li::before,
.fit-lists article:first-child li::before {
  background: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-soft);
}

.fit-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: clamp(4rem, 8vw, 8rem);
}

.fit-lists {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.fit-lists article {
  padding: 1.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 19, 15, 0.55);
}

.fit-lists h3 {
  margin-bottom: 2.1rem;
  font-size: 1.05rem;
}

.fit-lists li {
  font-size: 0.91rem;
}

.section-contact {
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 35%, rgba(214, 255, 102, 0.055), transparent 27rem),
    var(--bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(4rem, 8vw, 8rem);
}

.contact-copy h2 {
  max-width: 10ch;
}

.contact-note {
  display: grid;
  max-width: 560px;
  margin-top: 2.5rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 19, 15, 0.7);
  grid-template-columns: 16px 1fr;
  gap: 0.9rem;
}

.contact-note-signal {
  width: 7px;
  height: 7px;
  margin-top: 0.38rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px var(--signal-soft);
}

.contact-note strong {
  font-size: 0.92rem;
}

.contact-note p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.contact-copy .claim-boundary {
  max-width: 560px;
  margin-top: 1.2rem;
  color: var(--subtle);
  font-size: 0.75rem;
  line-height: 1.55;
}

.project-form {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: rgba(17, 19, 15, 0.84);
  box-shadow: var(--shadow);
}

.field-pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.project-form label:not(.checkbox) {
  display: grid;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 680;
}

.project-form label small {
  color: var(--subtle);
  font-size: 0.68rem;
  font-weight: 560;
}

.project-form input,
.project-form textarea,
.project-form select {
  width: 100%;
  min-height: 50px;
  padding: 0.82rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  color: var(--paper);
  background: rgba(5, 6, 5, 0.62);
  font-size: 0.96rem;
  line-height: 1.45;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.project-form textarea {
  min-height: 144px;
  resize: vertical;
}

.project-form select {
  color-scheme: dark;
}

.project-form input::placeholder,
.project-form textarea::placeholder {
  color: #6f716a;
}

.project-form input:hover,
.project-form textarea:hover,
.project-form select:hover {
  border-color: var(--line-strong);
}

.project-form input:focus-visible,
.project-form textarea:focus-visible,
.project-form select:focus-visible {
  border-color: rgba(214, 255, 102, 0.66);
  background: rgba(5, 6, 5, 0.84);
  box-shadow: 0 0 0 4px var(--signal-soft);
  outline: none;
}

.checkbox {
  display: grid;
  align-items: start;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
  grid-template-columns: 20px 1fr;
  gap: 0.7rem;
  cursor: pointer;
}

.checkbox input {
  width: 18px;
  min-height: 18px;
  margin: 0.08rem 0 0;
  accent-color: var(--signal);
}

.form-button {
  width: 100%;
  margin-top: 0.2rem;
}

.form-status {
  min-height: 1.35rem;
  margin: -0.25rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
  text-align: center;
}

.form-status[data-state="success"] {
  color: var(--signal);
}

.form-status[data-state="error"] {
  color: var(--error);
}

.form-privacy {
  margin: -0.25rem 0 0;
  color: var(--subtle);
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
}

.form-privacy a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  display: grid;
  width: min(calc(100% - 3rem), var(--content));
  min-height: 160px;
  align-items: center;
  margin: 0 auto;
  padding: 2.5rem 0;
  color: var(--subtle);
  font-size: 0.76rem;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
}

.site-footer .brand {
  color: var(--paper);
  font-size: 0.85rem;
}

.site-footer > p {
  margin: 0;
  text-align: center;
}

.site-footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 1.2rem;
}

.site-footer a:hover {
  color: var(--paper);
}

.site-header a:focus-visible,
.button:focus-visible,
.site-footer a:focus-visible,
.checkbox input:focus-visible,
.form-privacy a:focus-visible {
  border-radius: 5px;
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

@media (max-width: 1040px) {
  .hero-layout,
  .method-layout,
  .fit-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    min-height: auto;
  }

  .hero-copy {
    max-width: 820px;
  }

  .system-visual {
    width: min(100%, 620px);
    min-height: 550px;
  }

  .method-heading {
    position: static;
    max-width: 820px;
  }

  .method-steps {
    max-width: 760px;
  }

  .contrast-layout {
    grid-template-columns: 1fr;
  }

  .contrast-layout h2,
  .contact-copy h2 {
    max-width: 12ch;
  }

  .fit-lists,
  .project-form {
    max-width: 760px;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 66px;
    padding: 0 1.25rem;
  }

  .site-header .brand {
    font-size: 0.88rem;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .site-nav .nav-cta {
    min-height: 40px;
    padding: 0 0.9rem;
  }

  .hero-layout {
    width: min(calc(100% - 2.5rem), var(--content));
    padding-top: 5.5rem;
    gap: 4.5rem;
  }

  h1 {
    font-size: clamp(3rem, 14.2vw, 5.2rem);
    line-height: 0.94;
  }

  h2 {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .hero-actions .button {
    width: 100%;
  }

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

  .hero-facts div,
  .hero-facts div + div {
    padding: 0.85rem 0;
    border-left: 0;
  }

  .hero-facts div + div {
    border-top: 1px solid var(--line);
  }

  .system-visual {
    min-height: 530px;
  }

  .problem-grid,
  .contrast-grid,
  .fit-lists,
  .field-pair {
    grid-template-columns: 1fr;
  }

  .problem-grid article,
  .problem-grid article + article {
    min-height: auto;
    padding: 2rem 0 2.3rem;
    border-left: 0;
  }

  .problem-grid article + article {
    border-top: 1px solid var(--line);
  }

  .problem-grid h3 {
    margin-top: 2rem;
  }

  .method-steps li {
    min-height: 0;
    padding-bottom: 3.5rem;
    grid-template-columns: 56px 1fr;
    gap: 1rem;
  }

  .method-steps li:not(:last-child)::before {
    left: 21px;
  }

  .step-marker {
    width: 44px;
    height: 44px;
  }

  .build-ledger article {
    grid-template-columns: 48px 1fr;
  }

  .ledger-tag {
    grid-column: 2;
    justify-self: start;
  }

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

  .site-footer {
    width: min(calc(100% - 2.5rem), var(--content));
    padding: 2.5rem 0;
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .site-footer > p {
    text-align: left;
  }

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

@media (max-width: 430px) {
  .site-header .brand span:last-child {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-layout {
    width: min(calc(100% - 2rem), var(--content));
  }

  .section {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .system-visual {
    min-height: 510px;
    padding-right: 0.9rem;
    padding-left: 0.9rem;
  }

  .system-card {
    padding: 1.2rem;
  }

  .project-form {
    padding: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}