:root {
  color-scheme: light;
  --bg: #f7f9f8;
  --ink: #171a1c;
  --muted: #5f6568;
  --line: #d6dedb;
  --accent: #0f766e;
  --accent-dark: #0b4f4a;
  --rust: #9b4a2e;
  --shadow: 0 18px 45px rgba(25, 28, 30, 0.08);
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(23, 26, 28, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 26, 28, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(216, 212, 199, 0.75);
  background: rgba(247, 249, 248, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-name {
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible,
.language-switch:hover,
.language-switch:focus-visible,
.contact-link:hover,
.contact-link:focus-visible,
.contact-section a:hover,
.contact-section a:focus-visible {
  color: var(--accent-dark);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid rgba(15, 118, 110, 0.28);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
}

.language-flag {
  display: block;
  width: 32px;
  height: 24px;
  flex: 0 0 auto;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(23, 26, 28, 0.16);
}

.hero {
  max-width: var(--content-width);
  margin: 0 auto;
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(260px, 0.78fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
  padding: clamp(38px, 6vw, 62px) clamp(20px, 5vw, 72px) clamp(24px, 4vw, 38px);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: normal;
}

h1 {
  margin: 0;
  max-width: none;
  font-size: clamp(44px, 5.8vw, 74px);
  line-height: 1;
  font-weight: 760;
  letter-spacing: 0;
  white-space: nowrap;
}

.lead {
  margin: 28px 0 0;
  max-width: 760px;
  font-size: clamp(23px, 2.8vw, 34px);
  line-height: 1.18;
  font-weight: 650;
  letter-spacing: 0;
}

.intro {
  margin: 24px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.contact-link {
  display: inline-block;
  margin-top: 34px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.hero-contact-row {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.hero-contact-row .contact-link {
  margin-top: 0;
}

.hero-contact-mark {
  display: none;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
}

.perspective-panel {
  position: relative;
  aspect-ratio: 1;
  width: min(100%, 312px);
  justify-self: end;
  display: grid;
  place-items: center;
  color: var(--ink);
}

.hero-mark {
  position: relative;
  z-index: 2;
  display: block;
  width: min(100%, 264px);
  height: auto;
}

.hero-logo {
  position: relative;
  aspect-ratio: 1;
  width: min(100%, 430px);
  justify-self: end;
  display: grid;
  place-items: center;
  color: var(--ink);
}

.hero-logo::before {
  content: "";
  position: absolute;
  inset: 5%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.38);
  box-shadow: var(--shadow);
}

.logo-core {
  position: relative;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 36%;
  aspect-ratio: 1;
  border: 2px solid var(--ink);
  background: var(--bg);
  font-size: clamp(40px, 6.3vw, 70px);
  font-weight: 700;
  line-height: 1;
}

.logo-grid,
.logo-ring,
.logo-plane,
.aperture-corner,
.plane-axis,
.orbit-axis {
  position: absolute;
  pointer-events: none;
}

.logo-grid {
  z-index: 0;
  inset: 5%;
  background:
    linear-gradient(90deg, rgba(23, 26, 28, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 26, 28, 0.045) 1px, transparent 1px);
  background-size: 16.66% 16.66%;
}

.logo-ring {
  z-index: 2;
  width: 74%;
  aspect-ratio: 1;
  border: 1px solid rgba(15, 118, 110, 0.72);
  border-radius: 50%;
}

.ring-horizontal {
  transform: rotateX(68deg);
}

.ring-vertical {
  border-color: rgba(23, 26, 28, 0.42);
  transform: rotateY(68deg);
}

.ring-depth {
  width: 78%;
  border-color: rgba(155, 74, 46, 0.46);
  transform: rotateX(66deg) rotateZ(-36deg);
}

.logo-plane {
  z-index: 1;
  border: 1px solid var(--line);
  background: rgba(247, 249, 248, 0.24);
}

.plane-back {
  inset: 13% 18% 18% 13%;
}

.plane-front {
  inset: 21% 12% 12% 21%;
  border-color: rgba(23, 26, 28, 0.28);
}

.logo-orbit-resolved::after {
  content: "";
  position: absolute;
  z-index: 3;
  width: 52%;
  height: 1px;
  background: rgba(23, 26, 28, 0.52);
  transform: rotate(-18deg);
}

.logo-aperture .logo-core,
.logo-clean-orbit .logo-core,
.logo-planes .logo-core {
  width: 34%;
}

.aperture-corner {
  z-index: 3;
  width: 24%;
  aspect-ratio: 1;
  border-color: var(--ink);
  opacity: 0.76;
}

.corner-a {
  top: 14%;
  left: 14%;
  border-top: 2px solid;
  border-left: 2px solid;
}

.corner-b {
  top: 14%;
  right: 14%;
  border-top: 2px solid;
  border-right: 2px solid;
}

.corner-c {
  right: 14%;
  bottom: 14%;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.corner-d {
  bottom: 14%;
  left: 14%;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.logo-planes .logo-plane {
  background: rgba(255, 255, 255, 0.28);
}

.plane-one {
  inset: 12% 26% 26% 12%;
}

.plane-two {
  inset: 20%;
  border-color: rgba(15, 118, 110, 0.46);
}

.plane-three {
  inset: 26% 12% 12% 26%;
  border-color: rgba(155, 74, 46, 0.42);
}

.plane-axis,
.orbit-axis {
  z-index: 2;
  height: 1px;
  background: rgba(23, 26, 28, 0.38);
}

.axis-one {
  width: 74%;
  transform: rotate(-28deg);
}

.axis-two {
  width: 70%;
  transform: rotate(28deg);
}

.orbit-axis-a {
  width: 72%;
}

.orbit-axis-b {
  width: 72%;
  transform: rotate(90deg);
}

.logo-clean-orbit .logo-ring {
  width: 72%;
}

.logo-clean-orbit .ring-horizontal {
  border-color: rgba(15, 118, 110, 0.76);
  transform: rotateX(68deg) rotateZ(0deg);
}

.logo-clean-orbit .ring-vertical {
  border-color: rgba(155, 74, 46, 0.48);
  transform: rotateY(68deg) rotateZ(0deg);
}

.original-orbit::before {
  inset: 12%;
  transform: rotate(45deg);
}

.original-orbit .logo-core {
  width: 38%;
  font-size: clamp(42px, 7vw, 82px);
  font-weight: 760;
}

.broken-core {
  border: 0;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 70% 3px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 100% 3px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 3px 100% no-repeat,
    linear-gradient(var(--ink), var(--ink)) right 30% / 3px 70% no-repeat,
    var(--bg);
}

.logo-open-corner .broken-core,
.logo-topdown-break .broken-core,
.logo-outside-view .broken-core,
.logo-dimensional-lift .broken-core {
  width: 40%;
}

.escape-mark,
.topdown-plane,
.outside-frame,
.lift-shadow {
  position: absolute;
  pointer-events: none;
}

.escape-mark {
  z-index: 5;
  width: 18%;
  height: 3px;
  background: var(--accent);
  transform-origin: left center;
}

.escape-mark::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
}

.escape-mark-a {
  top: 35%;
  left: 61%;
  transform: rotate(-35deg);
}

.escape-mark-b {
  top: 29%;
  left: 60%;
  background: var(--rust);
  transform: rotate(-52deg);
}

.escape-mark-b::after {
  border-color: var(--rust);
}

.escape-mark-c {
  top: 30%;
  left: 58%;
  width: 21%;
  background: var(--ink);
  transform: rotate(-28deg);
}

.escape-mark-c::after {
  border-color: var(--ink);
}

.escape-mark-d {
  top: 27%;
  left: 60%;
  width: 19%;
  transform: rotate(-47deg);
}

.logo-open-corner .axis-x,
.logo-open-corner .axis-y {
  background: rgba(23, 26, 28, 0.22);
}

.logo-open-corner .orbit {
  opacity: 0.52;
}

.topdown-plane {
  z-index: 1;
  width: 62%;
  aspect-ratio: 1;
  border: 1px solid rgba(23, 26, 28, 0.26);
  background: rgba(255, 255, 255, 0.18);
  transform: rotate(45deg);
}

.plane-low {
  top: 19%;
  left: 19%;
}

.plane-high {
  top: 13%;
  left: 11%;
  border-color: rgba(15, 118, 110, 0.48);
}

.logo-topdown-break .axis {
  z-index: 2;
}

.logo-topdown-break .orbit {
  opacity: 0.46;
}

.outside-frame {
  z-index: 1;
  top: 22%;
  left: 22%;
  width: 56%;
  aspect-ratio: 1;
  border: 2px solid rgba(23, 26, 28, 0.32);
  background: rgba(255, 255, 255, 0.12);
}

.frame-back {
  transform: translate(22%, -18%) rotate(0deg);
}

.frame-front {
  border-color: rgba(15, 118, 110, 0.44);
  transform: translate(-4%, 4%) rotate(0deg);
}

.logo-outside-view .broken-core {
  transform: translate(-8%, 8%);
  box-shadow: 18px -18px 0 rgba(15, 118, 110, 0.1);
}

.logo-outside-view .axis-z {
  width: 82%;
  height: 2px;
}

.logo-outside-view .orbit-three {
  width: 80%;
  opacity: 0.38;
}

.lift-shadow {
  z-index: 1;
  top: 30%;
  left: 30%;
  width: 40%;
  aspect-ratio: 1;
  border: 2px solid rgba(155, 74, 46, 0.38);
  transform: translate(18%, -18%);
}

.logo-dimensional-lift .broken-core {
  transform: translate(-5%, 5%);
  box-shadow: 16px -16px 0 rgba(155, 74, 46, 0.1);
}

.logo-dimensional-lift .axis-z {
  height: 2px;
}

.logo-svg-fracture .fracture-svg {
  position: relative;
  z-index: 5;
  width: 68%;
  aspect-ratio: 1;
  overflow: visible;
}

.logo-svg-fracture .fracture-box,
.logo-svg-fracture .fracture-piece {
  fill: none;
  stroke: var(--ink);
  stroke-linecap: square;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}

.logo-svg-fracture .fracture-box {
  stroke-width: 3;
}

.logo-svg-fracture .fracture-piece {
  stroke-width: 3;
}

.logo-svg-fracture .fracture-piece.short {
  stroke-width: 2.5;
}

.logo-svg-fracture .fracture-text-main,
.logo-svg-fracture .fracture-text-pi,
.logo-svg-fracture .fracture-text-sup,
.logo-svg-fracture .fracture-word,
.logo-svg-fracture .fracture-word-sup {
  fill: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 720;
}

.logo-svg-fracture .fracture-word {
  font-size: 70px;
}

.logo-svg-fracture .fracture-word-sup {
  font-size: 38px;
}

.logo-svg-fracture .fracture-text-main {
  font-size: 88px;
}

.logo-svg-fracture .fracture-text-pi {
  font-size: 70px;
}

.logo-svg-fracture .fracture-text-sup {
  font-size: 45px;
}

.logo-corner-fracture .fracture-svg {
  width: 70%;
}

.logo-scientific-break .fracture-svg {
  width: 69%;
  transform: translate(-2%, 1%);
}

.logo-dimensional-rupture .fracture-svg {
  width: 69%;
  transform: translate(-5%, 5%);
}

.logo-clean-shatter .fracture-svg {
  width: 69%;
  transform: translate(-3%, 3%);
}

.logo-svg-fracture .orbit {
  opacity: 0.24;
}

.logo-svg-fracture .axis {
  opacity: 0.24;
}

.fracture-core {
  border: 0;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 68% 3px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left bottom / 100% 3px no-repeat,
    linear-gradient(var(--ink), var(--ink)) left top / 3px 100% no-repeat,
    linear-gradient(var(--ink), var(--ink)) right 34% / 3px 66% no-repeat,
    linear-gradient(135deg, transparent 0 71%, rgba(23, 26, 28, 0.11) 71% 72%, transparent 72%) right top / 38% 38% no-repeat,
    var(--bg);
}

.logo-corner-fracture .fracture-core,
.logo-scientific-break .fracture-core,
.logo-dimensional-rupture .fracture-core,
.logo-clean-shatter .fracture-core {
  width: 40%;
}

.fracture-ray,
.corner-shard {
  position: absolute;
  pointer-events: none;
}

.fracture-ray {
  z-index: 6;
  height: 3px;
  background: var(--ink);
  transform-origin: left center;
}

.corner-shard {
  z-index: 6;
  width: 34px;
  height: 30px;
  border-color: var(--ink);
  opacity: 0.95;
}

.corner-shard::before,
.corner-shard::after {
  content: "";
  position: absolute;
  inset: 0;
}

.corner-shard::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--ink);
}

.corner-shard::after {
  top: 0;
  right: 0;
  width: 3px;
  height: 70%;
  background: var(--ink);
}

.logo-corner-fracture .orbit,
.logo-scientific-break .orbit,
.logo-dimensional-rupture .orbit,
.logo-clean-shatter .orbit {
  opacity: 0.48;
}

.logo-corner-fracture .axis,
.logo-scientific-break .axis,
.logo-dimensional-rupture .axis,
.logo-clean-shatter .axis {
  opacity: 0.72;
}

.logo-corner-fracture .ray-a {
  top: 31%;
  left: 63%;
  width: 15%;
  transform: rotate(-38deg);
}

.logo-corner-fracture .ray-b {
  top: 25%;
  left: 67%;
  width: 10%;
  background: var(--accent);
  transform: rotate(-72deg);
}

.logo-corner-fracture .ray-c {
  top: 37%;
  left: 70%;
  width: 9%;
  background: var(--rust);
  transform: rotate(13deg);
}

.shard-a {
  top: 25%;
  left: 70%;
  transform: rotate(28deg) scale(0.9);
}

.shard-b {
  top: 34%;
  left: 76%;
  transform: rotate(-28deg) scale(0.62);
}

.shard-c {
  top: 18%;
  left: 64%;
  transform: rotate(74deg) scale(0.5);
}

.logo-scientific-break .topdown-plane {
  opacity: 0.78;
}

.logo-scientific-break .ray-d {
  top: 27%;
  left: 64%;
  width: 16%;
  background: var(--rust);
  transform: rotate(-49deg);
}

.logo-scientific-break .ray-e {
  top: 35%;
  left: 72%;
  width: 8%;
  transform: rotate(-4deg);
}

.shard-d {
  top: 22%;
  left: 70%;
  transform: rotate(-8deg) scale(0.82);
}

.shard-e {
  top: 31%;
  left: 76%;
  transform: rotate(38deg) scale(0.56);
}

.shard-f {
  top: 17%;
  left: 62%;
  transform: rotate(82deg) scale(0.46);
}

.logo-dimensional-rupture .fracture-core {
  transform: translate(-8%, 8%);
}

.logo-dimensional-rupture .ray-f {
  top: 26%;
  left: 61%;
  width: 17%;
  transform: rotate(-29deg);
}

.logo-dimensional-rupture .ray-g {
  top: 34%;
  left: 72%;
  width: 9%;
  background: var(--accent);
  transform: rotate(-85deg);
}

.shard-g {
  top: 22%;
  left: 70%;
  transform: rotate(12deg) scale(0.88);
}

.shard-h {
  top: 30%;
  left: 77%;
  transform: rotate(-42deg) scale(0.62);
}

.shard-i {
  top: 18%;
  left: 63%;
  transform: rotate(72deg) scale(0.48);
}

.logo-clean-shatter .fracture-core {
  transform: translate(-5%, 5%);
}

.logo-clean-shatter .ray-h {
  top: 24%;
  left: 64%;
  width: 14%;
  background: var(--accent);
  transform: rotate(-43deg);
}

.logo-clean-shatter .ray-i {
  top: 33%;
  left: 72%;
  width: 8%;
  transform: rotate(-12deg);
}

.shard-j {
  top: 20%;
  left: 69%;
  transform: rotate(16deg) scale(0.78);
}

.shard-k {
  top: 29%;
  left: 75%;
  transform: rotate(-34deg) scale(0.52);
}

.shard-l {
  top: 16%;
  left: 62%;
  transform: rotate(82deg) scale(0.42);
}

.axis,
.orbit {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.axis {
  width: 72%;
  height: 1px;
  background: var(--line);
  transform-origin: center;
}

.axis-x {
  transform: rotate(0deg);
}

.axis-y {
  transform: rotate(90deg);
}

.axis-z {
  background: var(--rust);
  opacity: 0.6;
  transform: rotate(-31deg);
}

.orbit {
  width: 74%;
  aspect-ratio: 1;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.72;
}

.orbit-one {
  transform: rotateX(62deg) rotateZ(18deg);
}

.orbit-two {
  transform: rotateX(62deg) rotateZ(108deg);
}

.orbit-three {
  border-color: var(--rust);
  transform: rotateY(62deg) rotateZ(-24deg);
}

.section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(64px, 10vw, 118px) clamp(20px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
  align-items: end;
  gap: clamp(24px, 6vw, 80px);
  margin-bottom: 32px;
}

h2 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(34px, 5.5vw, 70px);
  line-height: 1.06;
  font-weight: 720;
  letter-spacing: 0;
}

.capabilities-section {
  padding-top: clamp(22px, 5vw, 56px);
}

.capabilities-section .service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.capabilities-section .service {
  min-height: 260px;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.72);
}

.capabilities-section .service h2 {
  margin: 0;
  max-width: 100%;
  font-size: clamp(22px, 1.9vw, 28px);
  line-height: 1.2;
  font-weight: 720;
  letter-spacing: 0;
}

.capabilities-section .service p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.useful-section {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: clamp(28px, 5vw, 52px);
  background: var(--ink);
  color: var(--bg);
}

.useful-section .eyebrow {
  color: #75c8bc;
}

.useful-intro h2 {
  max-width: 820px;
  font-size: clamp(34px, 4vw, 56px);
}

.useful-list {
  display: grid;
  gap: 1px;
  max-width: 900px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(247, 249, 248, 0.2);
  background: rgba(247, 249, 248, 0.2);
}

.useful-list li {
  position: relative;
  min-height: 78px;
  display: flex;
  align-items: center;
  padding: 18px 24px 18px 52px;
  background: rgba(247, 249, 248, 0.055);
  color: rgba(247, 249, 248, 0.82);
  font-size: clamp(16px, 1.6vw, 19px);
}

.useful-list li::before {
  content: "";
  position: absolute;
  left: 24px;
  width: 8px;
  height: 8px;
  border: 1px solid #75c8bc;
  transform: rotate(45deg);
}

.approach-band {
  background: var(--ink);
  color: var(--bg);
}

.approach-band .eyebrow {
  color: #75c8bc;
}

.approach-content {
  max-width: 1060px;
}

.approach-content p:last-child {
  max-width: 780px;
  margin: 26px 0 0;
  color: rgba(248, 247, 242, 0.75);
  font-size: clamp(18px, 2.1vw, 24px);
}

.name-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 36px);
  align-items: start;
}

.name-section h2 {
  max-width: 920px;
  font-size: clamp(34px, 4.4vw, 60px);
}

.name-section > p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.32;
}

.contact-section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(64px, 10vw, 118px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.contact-section h2 {
  max-width: 760px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.14;
}

.contact-section a {
  display: inline-block;
  margin-top: 30px;
  color: var(--ink);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 720;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .nav {
    width: auto;
    flex: 1 1 auto;
    justify-content: space-between;
    gap: 10px;
  }

  .header-actions {
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .language-switch {
    flex: 0 0 auto;
  }

  .hero {
    position: relative;
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 36px;
    padding-bottom: 42px;
    overflow: hidden;
  }

  .hero-copy {
    position: relative;
    z-index: 3;
  }

  .hero > .perspective-panel {
    display: none;
  }

  .hero-contact-row {
    display: flex;
    width: fit-content;
  }

  .hero-contact-mark {
    display: block;
  }

  .hero-logo,
  .perspective-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: clamp(176px, 54.4vw, 224px);
    justify-self: center;
    opacity: 1;
  }

  .hero-mark {
    width: 100%;
  }

  .section-heading,
  .useful-section,
  .name-section {
    grid-template-columns: 1fr;
  }

  .capabilities-section .service-grid {
    grid-template-columns: 1fr;
  }

  .capabilities-section .service {
    min-height: 0;
  }
}

@media (max-width: 680px) {
  .useful-list li {
    min-height: 68px;
    padding-right: 18px;
  }
}

@media (max-width: 520px) {
  .brand-name {
    font-size: 15px;
  }

  .nav {
    font-size: 13px;
  }

  h1 {
    min-width: 0;
    font-size: clamp(31px, 9.2vw, 40px);
  }

}

@media (max-width: 360px) {
  h1 {
    font-size: clamp(28px, 9vw, 31px);
  }

  .hero-contact-mark {
    width: 50px;
    height: 50px;
  }
}

.variant-page {
  padding: clamp(44px, 7vw, 82px) clamp(20px, 5vw, 72px) clamp(72px, 10vw, 128px);
}

.variant-intro {
  max-width: 900px;
  margin-bottom: clamp(36px, 6vw, 68px);
}

.variant-intro h1 {
  font-size: clamp(42px, 7vw, 86px);
}

.variant-intro p:last-child {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.variant-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.variant-card {
  min-height: 540px;
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 24px;
  padding: clamp(24px, 4vw, 46px);
  background: rgba(255, 255, 255, 0.62);
}

.variant-card h2 {
  justify-self: start;
  font-size: clamp(22px, 3vw, 34px);
}

.variant-card .hero-logo {
  width: min(100%, 360px);
  justify-self: center;
}

@media (max-width: 760px) {
  .variant-grid {
    grid-template-columns: 1fr;
  }

  .variant-card {
    min-height: 460px;
  }
}

/*
Backup hero mark: the first concept used .axis and .orbit elements around the
2pi2 square. Restore the previous HTML children and these rules if wanted.

.axis,
.orbit {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.axis {
  width: 72%;
  height: 1px;
  background: var(--line);
  transform-origin: center;
}

.axis-x { transform: rotate(0deg); }
.axis-y { transform: rotate(90deg); }
.axis-z {
  background: var(--rust);
  opacity: 0.6;
  transform: rotate(-31deg);
}

.orbit {
  width: 74%;
  aspect-ratio: 1;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.72;
}

.orbit-one { transform: rotateX(62deg) rotateZ(18deg); }
.orbit-two { transform: rotateX(62deg) rotateZ(108deg); }
.orbit-three {
  border-color: var(--rust);
  transform: rotateY(62deg) rotateZ(-24deg);
}
*/