:root {
  --ink: #ecf5fb;
  --ink-soft: #b7c5d2;
  --muted: #788a99;
  --blue: #56a8d8;
  --blue-bright: #7bc9f1;
  --blue-dark: #153f59;
  --navy: #071019;
  --navy-soft: #0b1722;
  --panel: rgba(13, 28, 40, 0.84);
  --line: rgba(151, 194, 219, 0.16);
  --line-strong: rgba(86, 168, 216, 0.36);
  --max: 1180px;
  --header-height: 84px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--navy);
  color: var(--ink);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 20% 0%, rgba(34, 104, 143, 0.18), transparent 34%),
    radial-gradient(circle at 85% 18%, rgba(39, 122, 167, 0.12), transparent 28%),
    linear-gradient(180deg, #071019 0%, #08131c 55%, #060d13 100%);
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E");
}

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

img {
  max-width: 100%;
}

.content-shell,
.nav-shell {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.section-pad {
  padding: 118px 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(5, 13, 20, 0.82);
  backdrop-filter: blur(18px);
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 7px;
  box-shadow: 0 0 0 1px rgba(112, 185, 226, 0.18);
}

.brand span {
  display: grid;
  gap: 1px;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 4px;
}

.brand small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.primary-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.7px;
}

.primary-nav a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 1px;
  background: var(--blue);
  transition: width 180ms ease;
}

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

.primary-nav .nav-contact {
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink);
  transition: background 180ms ease, border-color 180ms ease;
}

.primary-nav .nav-contact:hover {
  border-color: var(--blue);
  background: rgba(86, 168, 216, 0.09);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 810px;
  padding-top: 178px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  pointer-events: none;
}

.hero-glow-one {
  width: 520px;
  height: 520px;
  right: -190px;
  top: 120px;
  border: 1px solid rgba(86, 168, 216, 0.12);
  box-shadow: inset 0 0 100px rgba(86, 168, 216, 0.05);
}

.hero-glow-two {
  width: 280px;
  height: 280px;
  left: 35%;
  bottom: -210px;
  background: rgba(45, 127, 172, 0.08);
  filter: blur(55px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(480px, 0.95fr);
  gap: 82px;
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--blue-bright);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.1px;
  text-transform: uppercase;
}

.eyebrow span {
  width: 27px;
  height: 1px;
  background: var(--blue);
  box-shadow: 0 0 14px var(--blue);
}

.hero h1,
.section-heading h2,
.method-intro h2,
.about-copy h2,
.contact-panel h2 {
  margin: 0;
  font-weight: 560;
  letter-spacing: -2.5px;
}

.hero h1 {
  max-width: 700px;
  font-size: clamp(52px, 6.2vw, 86px);
  line-height: 0.98;
}

.hero h1 em {
  display: block;
  color: var(--blue-bright);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-lead {
  max-width: 600px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.45px;
}

.button-primary {
  min-width: 200px;
  padding: 0 20px;
  color: #061019;
  background: linear-gradient(135deg, var(--blue-bright), #438eb9);
  box-shadow: 0 14px 32px rgba(30, 113, 158, 0.2);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(30, 113, 158, 0.3);
}

.button-quiet {
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
}

.hero-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 42px;
}

.hero-principles span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.hero-principles span::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 8px 2px 0;
  border-radius: 50%;
  background: var(--blue);
}

.terminal-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(145deg, rgba(16, 34, 48, 0.93), rgba(7, 17, 25, 0.96)),
    var(--navy-soft);
  box-shadow: 0 36px 80px rgba(0, 0, 0, 0.34);
}

.terminal-card::before,
.terminal-card::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
}

.terminal-card::before {
  inset: -1px auto auto -1px;
  border-top: 2px solid var(--blue-bright);
  border-left: 2px solid var(--blue-bright);
}

.terminal-card::after {
  inset: auto -1px -1px auto;
  border-right: 2px solid var(--blue-bright);
  border-bottom: 2px solid var(--blue-bright);
}

.terminal-topline,
.terminal-heading,
.terminal-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-topline {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 12px var(--blue);
}

.terminal-heading {
  padding: 25px 0 14px;
}

.terminal-heading small,
.system-state span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.terminal-heading strong {
  font-size: 16px;
  letter-spacing: 0.5px;
}

.system-state {
  text-align: right;
}

.system-state strong {
  color: var(--blue-bright);
  font-size: 11px;
}

.chart-wrap {
  position: relative;
  height: 245px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(119, 166, 194, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(119, 166, 194, 0.06) 1px, transparent 1px),
    rgba(1, 9, 14, 0.56);
  background-size: 100% 25%, 16.67% 100%, auto;
}

#signalCanvas {
  width: 100%;
  height: 100%;
}

.chart-label {
  position: absolute;
  padding: 4px 7px;
  border: 1px solid rgba(86, 168, 216, 0.24);
  color: var(--blue-bright);
  background: rgba(5, 16, 24, 0.82);
  font-size: 8px;
  letter-spacing: 0.75px;
  text-transform: uppercase;
}

.chart-label-a {
  top: 24px;
  left: 22px;
}

.chart-label-b {
  right: 19px;
  bottom: 23px;
}

.terminal-metrics {
  gap: 14px;
  padding-top: 18px;
}

.terminal-metrics div {
  flex: 1;
  min-width: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
}

.terminal-metrics span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 11px;
}

.terminal-metrics p {
  margin: 4px 0 2px;
  font-size: 11px;
  font-weight: 700;
}

.terminal-metrics small {
  color: var(--muted);
  font-size: 8px;
}

.principle-band {
  border-bottom: 1px solid var(--line);
  background: rgba(9, 22, 32, 0.76);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.principle-grid div {
  padding: 25px 30px;
  border-right: 1px solid var(--line);
}

.principle-grid div:first-child {
  border-left: 1px solid var(--line);
}

.principle-grid strong,
.principle-grid span {
  display: block;
}

.principle-grid strong {
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.principle-grid span {
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 100px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2,
.method-intro h2,
.about-copy h2,
.contact-panel h2 {
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.08;
}

.section-heading > p,
.method-intro > p,
.about-copy > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-card {
  position: relative;
  min-height: 390px;
  padding: 38px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(16, 33, 46, 0.45), rgba(6, 15, 22, 0.25));
  transition: background 220ms ease, transform 220ms ease;
}

.capability-card:hover {
  background: linear-gradient(145deg, rgba(23, 53, 72, 0.62), rgba(8, 19, 28, 0.38));
}

.capability-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 260ms ease;
}

.capability-card:hover::after {
  width: 100%;
}

.card-number {
  position: absolute;
  top: 28px;
  right: 30px;
  color: rgba(123, 201, 241, 0.34);
  font-family: Georgia, serif;
  font-size: 13px;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 48px;
  border: 1px solid var(--line-strong);
  color: var(--blue-bright);
  font-size: 24px;
}

.capability-card h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 600;
}

.capability-card p {
  max-width: 480px;
  margin: 0 0 25px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.capability-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.capability-card li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.55px;
  text-transform: uppercase;
}

.method-section {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(8, 22, 32, 0.95), rgba(9, 30, 43, 0.72));
}

.platform-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(7, 18, 27, 0.97), rgba(10, 34, 48, 0.84)),
    var(--navy);
}

.platform-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(89, 156, 194, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(89, 156, 194, 0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(90deg, transparent, #000 45%, #000);
}

.platform-halo {
  position: absolute;
  width: 620px;
  height: 620px;
  right: -180px;
  top: -180px;
  border: 1px solid rgba(86, 168, 216, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 90px rgba(86, 168, 216, 0.018),
    0 0 0 180px rgba(86, 168, 216, 0.012);
}

.platform-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.83fr 1.17fr;
  gap: 90px;
  align-items: center;
}

.platform-copy h2 {
  margin: 0;
  font-size: clamp(40px, 4.2vw, 62px);
  font-weight: 560;
  line-height: 1.05;
  letter-spacing: -2.4px;
}

.platform-copy > p:not(.eyebrow) {
  margin: 25px 0 31px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.platform-copy .button-primary {
  min-width: 248px;
}

.platform-note {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.product-console {
  border: 1px solid var(--line-strong);
  background: rgba(5, 15, 23, 0.78);
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.28);
}

.product-console-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.product-console-head i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 11px var(--blue);
}

.product-console-head strong {
  color: var(--blue-bright);
  font-size: 9px;
}

.product-module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.product-module-grid article {
  min-height: 185px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}

.product-module-grid article:nth-child(2n) {
  border-right: 0;
}

.product-module-grid article:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.product-module-grid article:hover {
  background: rgba(86, 168, 216, 0.07);
}

.product-module-grid span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 11px;
}

.product-module-grid h3 {
  margin: 24px 0 9px;
  font-size: 16px;
  font-weight: 600;
}

.product-module-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.method-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, transparent 49.9%, rgba(97, 160, 196, 0.04) 50%, transparent 50.1%);
  background-size: 120px 100%;
}

.method-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 110px;
  align-items: start;
}

.method-intro {
  position: sticky;
  top: 125px;
}

.method-intro > p {
  margin-top: 25px;
}

.text-link {
  display: inline-flex;
  gap: 20px;
  margin-top: 30px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--blue-bright);
  font-size: 12px;
  font-weight: 700;
}

.method-steps {
  border-top: 1px solid var(--line);
}

.method-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.method-step > span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 13px;
}

.method-step h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
}

.method-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 110px;
  align-items: center;
}

.about-mark {
  position: relative;
  min-height: 490px;
  display: grid;
  place-items: center;
}

.about-mark::before {
  content: "";
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(72, 151, 194, 0.16), transparent 68%);
  filter: blur(20px);
}

.about-mark img {
  position: relative;
  z-index: 2;
  width: 270px;
  height: 270px;
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.orbit {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-one {
  width: 390px;
  height: 390px;
}

.orbit-two {
  width: 480px;
  height: 480px;
  border-style: dashed;
  opacity: 0.5;
}

.about-copy > p {
  margin-top: 25px;
}

.founder-card {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 35px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.founder-portrait {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--blue);
  border-radius: 13px;
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.34),
    0 0 0 3px rgba(86, 168, 216, 0.08);
}

.founder-card strong,
.founder-card span {
  display: block;
}

.founder-card strong {
  margin-bottom: 5px;
  font-size: 14px;
}

.founder-card span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.founder-bio {
  margin: 25px 0 0;
  padding-left: 81px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.72;
}

.contact-section {
  padding-top: 40px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 90px;
  padding: 62px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(120deg, rgba(18, 48, 66, 0.72), rgba(7, 19, 28, 0.92)),
    var(--navy-soft);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.contact-panel h2 {
  max-width: 650px;
}

.contact-actions {
  align-self: end;
}

.contact-launch {
  width: 100%;
  padding-inline: 24px;
}

.contact-context {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.55px;
  text-transform: uppercase;
}

.contact-line {
  display: grid;
  grid-template-columns: 65px 1fr 20px;
  gap: 15px;
  align-items: center;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.contact-line:first-child {
  border-top: 1px solid var(--line);
}

.contact-line span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.contact-line strong {
  font-size: 13px;
  font-weight: 600;
}

.contact-line em {
  color: var(--blue);
  font-style: normal;
  transition: transform 180ms ease;
}

.contact-line:hover em {
  transform: translate(3px, -3px);
}

.site-footer {
  padding: 45px 0 32px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px 90px;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 6px;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  font-size: 13px;
  letter-spacing: 3px;
}

.footer-brand span {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.footer-grid > p {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.footer-end {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  padding-top: 25px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.5px;
}

.footer-end a {
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .hero {
    padding-top: 155px;
  }

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

  .hero-visual {
    max-width: 720px;
  }

  .section-heading,
  .method-grid,
  .about-grid,
  .contact-panel,
  .platform-grid {
    gap: 60px;
  }

  .about-mark {
    min-height: 420px;
  }

  .about-mark img {
    width: 220px;
    height: 220px;
  }

  .orbit-one {
    width: 320px;
    height: 320px;
  }

  .orbit-two {
    width: 400px;
    height: 400px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 72px;
  }

  .content-shell,
  .nav-shell {
    width: min(calc(100% - 32px), var(--max));
  }

  .section-pad {
    padding: 82px 0;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    gap: 0;
    padding: 18px 16px 24px;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 13, 20, 0.98);
    transform: translateY(-130%);
    transition: transform 220ms ease;
  }

  .primary-nav.open {
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 16px 10px;
    border-bottom: 1px solid var(--line);
  }

  .primary-nav .nav-contact {
    margin-top: 14px;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding-top: 135px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 55px;
  }

  .hero h1 {
    font-size: clamp(45px, 14vw, 68px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 17px;
  }

  .button-quiet {
    align-self: flex-start;
  }

  .terminal-card {
    padding: 15px;
  }

  .terminal-topline > span,
  .terminal-metrics small {
    display: none;
  }

  .chart-wrap {
    height: 205px;
  }

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

  .principle-grid div:nth-child(3) {
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  .principle-grid div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .principle-grid div {
    padding: 20px 18px;
  }

  .section-heading,
  .method-grid,
  .about-grid,
  .contact-panel,
  .footer-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 24px;
  }

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

  .product-module-grid {
    grid-template-columns: 1fr;
  }

  .product-module-grid article,
  .product-module-grid article:nth-child(2n),
  .product-module-grid article:nth-last-child(-n + 2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-module-grid article:last-child {
    border-bottom: 0;
  }

  .capability-card {
    min-height: 0;
    padding: 30px 24px;
  }

  .card-icon {
    margin-bottom: 35px;
  }

  .method-intro {
    position: static;
  }

  .method-step {
    grid-template-columns: 48px 1fr;
  }

  .about-mark {
    min-height: 350px;
  }

  .about-mark img {
    width: 190px;
    height: 190px;
  }

  .founder-portrait {
    width: 58px;
    height: 58px;
    border-radius: 12px;
  }

  .founder-bio {
    padding-left: 0;
  }

  .orbit-one {
    width: 280px;
    height: 280px;
  }

  .orbit-two {
    width: 340px;
    height: 340px;
  }

  .contact-panel {
    padding: 35px 24px;
  }

  .contact-line {
    grid-template-columns: 50px minmax(0, 1fr) 18px;
  }

  .contact-line strong {
    overflow-wrap: anywhere;
  }

  .footer-grid {
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}