:root {
  --ink: #101216;
  --ink-soft: #1a1d22;
  --paper: #f5f1e9;
  --paper-bright: #fbf9f4;
  --muted: #6f716f;
  --line: rgba(16, 18, 22, .14);
  --orange: #d95718;
  --orange-bright: #ff7a00;
  --gold: #f3b43d;
  --header: 78px;
  --shell: 1220px;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Aptos", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

/* HELIOS¹ platform wordmark */

.helios-platform {
  display: inline-block;
  color: #2d3033;
  font-style: normal;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: 1;
  white-space: nowrap;
}

.helios-platform sup {
  position: relative;
  top: -0.48em;
  margin-left: 0.035em;
  color: var(--orange-bright);
  font-size: 0.52em;
  font-weight: 850;
  line-height: 0;
  vertical-align: baseline;
}

.helios-platform--inverse,
.button-primary .helios-platform,
.connected-side .helios-platform {
  color: #ffffff;
}

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

.shell {
  width: min(calc(100% - 56px), var(--shell));
  margin-inline: auto;
}

.section {
  padding-block: 112px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  background: white;
  color: black;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: none;
}

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: 3px;
  background: transparent;
}

.page-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--gold));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header);
  border-bottom: 1px solid rgba(16, 18, 22, .08);
  background: rgba(245, 241, 233, .86);
  backdrop-filter: blur(18px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

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

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-type {
  display: grid;
  line-height: 1.05;
}

.brand-type strong {
  font-size: .79rem;
  letter-spacing: .16em;
}

.brand-type small {
  margin-top: 5px;
  color: var(--muted);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .22em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  color: #313338;
  text-decoration: none;
  font-size: .73rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

.site-nav .contact-link {
  padding: 10px 17px;
  border: 1px solid var(--ink);
  border-radius: 999px;
}

.site-nav .contact-link:hover {
  border-color: var(--orange);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
}

.eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 22px;
  color: var(--orange);
  font-size: .66rem;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: .45;
}

.eyebrow.light {
  color: #f1b450;
}

.hero {
  min-height: calc(100vh - var(--header));
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(42px, 6vw, 92px);
  align-items: center;
  padding-block: 76px 88px;
}

.hero-copy {
  max-width: 640px;
}

.hero h1 {
  margin: 0;
  max-width: 670px;
  font-size: clamp(3.2rem, 5.5vw, 5.55rem);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 790;
}

.hero h1 em {
  color: var(--orange);
  font-style: normal;
}

.hero-lede {
  max-width: 610px;
  margin: 27px 0 0;
  color: #55585c;
  font-size: 1.08rem;
  line-height: 1.68;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 21px;
  border-radius: 999px;
  text-decoration: none;
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition:
    transform .2s ease,
    background .2s ease,
    color .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: white;
}

.button-primary:hover {
  background: var(--orange);
}

.button-light {
  background: white;
  color: var(--ink);
}

.button-light:hover {
  background: var(--gold);
}

.text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 18, 22, .3);
  padding-bottom: 4px;
  font-size: .82rem;
  font-weight: 750;
}

.text-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 520px;
  margin-top: 58px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.hero-meta div {
  display: grid;
  gap: 4px;
}

.hero-meta strong {
  color: var(--orange);
  font-size: .62rem;
  letter-spacing: .12em;
}

.hero-meta span {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
}

.hero-visual {
  min-width: 0;
}

.visual-window {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  border-radius: 32px 32px 120px 32px;
  background: #07090b;
  box-shadow: 0 30px 75px rgba(20, 15, 11, .24);
}

.visual-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
  transform: scale(1.03);
}

.visual-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      145deg,
      rgba(2, 3, 4, .15),
      rgba(2, 3, 4, .68) 82%
    ),
    radial-gradient(
      circle at 52% 47%,
      transparent 0 20%,
      rgba(0, 0, 0, .12) 55%,
      rgba(0, 0, 0, .5) 100%
    );
}

.visual-mark {
  position: absolute;
  left: 50%;
  top: 49%;
  width: 185px;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 28px rgba(255, 112, 0, .72));
  animation: markFloat 6s ease-in-out infinite;
}

@keyframes markFloat {
  0%,
  100% {
    transform: translate(-50%, -50%) translateY(0);
  }

  50% {
    transform: translate(-50%, -50%) translateY(-9px);
  }
}

.system-tag {
  position: absolute;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid rgba(255, 171, 60, .42);
  border-radius: 999px;
  background: rgba(10, 11, 13, .58);
  color: #ffbb55;
  backdrop-filter: blur(8px);
  font-size: .56rem;
  font-weight: 850;
  letter-spacing: .15em;
}

.tag-ai {
  top: 17%;
  left: 18%;
}

.tag-data {
  top: 21%;
  right: 16%;
}

.tag-security {
  bottom: 21%;
  left: 11%;
}

.tag-experience {
  bottom: 17%;
  right: 12%;
}

.visual-caption {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 25px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .22);
  color: white;
}

.visual-caption > .helios-platform {
  color: #ffffff;
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .17em;
}

.visual-caption strong {
  font-size: .73rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.statement-band {
  background: var(--ink);
  color: white;
}

.statement-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.statement-inner span {
  color: rgba(255, 255, 255, .64);
}

.statement-inner strong {
  color: #f2b34b;
}

.section-intro {
  max-width: 900px;
}

.section-intro h2,
.blueprint-heading h2,
.gravity-copy h2,
.layers-copy h2,
.capabilities-heading h2,
.partnership-heading h2,
.contact-content h2 {
  margin: 0;
  font-size: clamp(2.35rem, 4.4vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -.047em;
}

.section-intro h2 em {
  color: var(--orange);
  font-style: normal;
}

.comparison-stage {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  gap: 0;
  margin-top: 62px;
  border-block: 1px solid var(--line);
}

.comparison-side {
  position: relative;
  min-height: 430px;
  padding: 38px 46px 42px;
  overflow: hidden;
}

.comparison-side + .comparison-side {
  border-left: 0;
}

.comparison-kicker {
  margin: 0 0 28px;
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.fragmented-side {
  background: rgba(255, 255, 255, .2);
}

.fragmented-side .comparison-kicker {
  color: var(--muted);
}

.connected-side {
  background: var(--ink);
  color: white;
}

.connected-side .comparison-kicker {
  color: var(--gold);
}

.comparison-side ul {
  position: relative;
  z-index: 2;
  list-style: none;
  margin: 0;
  padding: 0;
}

.comparison-side li {
  padding: 16px 0;
  border-top: 1px solid rgba(16, 18, 22, .11);
  font-size: .96rem;
}

.connected-side li {
  border-color: rgba(255, 255, 255, .13);
  color: rgba(255, 255, 255, .82);
}

.fragment-lines {
  position: absolute;
  inset: 35px 25px auto auto;
  width: 150px;
  height: 105px;
  opacity: .18;
}

.fragment-lines span {
  position: absolute;
  display: block;
  height: 1px;
  background: var(--ink);
  transform-origin: right;
}

.fragment-lines span:nth-child(1) {
  width: 110px;
  top: 8px;
  right: 0;
  transform: rotate(-23deg);
}

.fragment-lines span:nth-child(2) {
  width: 85px;
  top: 30px;
  right: 15px;
  transform: rotate(12deg);
}

.fragment-lines span:nth-child(3) {
  width: 125px;
  top: 52px;
  right: 0;
  transform: rotate(-8deg);
}

.fragment-lines span:nth-child(4) {
  width: 70px;
  top: 74px;
  right: 24px;
  transform: rotate(27deg);
}

.fragment-lines span:nth-child(5) {
  width: 95px;
  top: 92px;
  right: 6px;
  transform: rotate(-17deg);
}

.comparison-arrow {
  display: grid;
  place-items: center;
  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(217, 87, 24, .07),
      transparent
    );
}

.comparison-arrow span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 12px 28px rgba(217, 87, 24, .28);
}

.connected-core {
  position: absolute;
  top: 35px;
  right: 28px;
  width: 155px;
  height: 155px;
  opacity: .32;
}

.connected-core img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 58px;
  transform: translate(-50%, -50%);
}

.core-ring {
  position: absolute;
  border: 1px solid rgba(255, 160, 44, .7);
  border-radius: 50%;
}

.ring-one {
  inset: 29%;
}

.ring-two {
  inset: 15%;
}

.ring-three {
  inset: 0;
}

.blueprint-section {
  position: relative;
  overflow: hidden;
  background: #0b0d10;
  color: white;
  padding-block: 112px;
}

.blueprint-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 78% 35%,
      rgba(232, 94, 21, .16),
      transparent 31%
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, .025) 1px,
      transparent 1px
    ),
    linear-gradient(
      rgba(255, 255, 255, .025) 1px,
      transparent 1px
    );
  background-size: auto, 58px 58px, 58px 58px;
}

.blueprint-content {
  position: relative;
  z-index: 1;
}

.blueprint-heading {
  max-width: 850px;
}

.blueprint-heading h2 {
  color: white;
}

.builder-blueprint-grid {
  display: grid;
  grid-template-columns: 1fr 100px 1fr;
  gap: 0;
  align-items: stretch;
  margin-top: 64px;
}

.builder-panel,
.blueprint-panel {
  position: relative;
  min-height: 430px;
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .035);
  backdrop-filter: blur(8px);
}

.builder-panel {
  border-radius: 24px 5px 5px 24px;
}

.blueprint-panel {
  border-radius: 5px 24px 24px 5px;
}

.panel-index {
  position: absolute;
  top: 24px;
  right: 26px;
  color: rgba(255, 255, 255, .25);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.panel-label {
  margin: 0 0 24px;
  color: var(--gold);
  font-size: .66rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.builder-panel h3,
.blueprint-panel h3 {
  margin: 0 0 15px;
  font-size: clamp(2rem, 3vw, 3.1rem);
  letter-spacing: -.04em;
}

.builder-panel > p:not(.panel-label),
.blueprint-panel > p:not(.panel-label) {
  max-width: 475px;
  margin: 0;
  color: rgba(255, 255, 255, .7);
}

.builder-panel ul,
.blueprint-panel ul {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.builder-panel li,
.blueprint-panel li {
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .82);
  font-size: .84rem;
}

.relationship-mark {
  display: grid;
  grid-template-columns: 1fr 38px 1fr;
  align-items: center;
}

.relationship-mark span {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange));
}

.relationship-mark span:last-child {
  background: linear-gradient(90deg, var(--orange), transparent);
}

.relationship-mark strong {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 150, 35, .55);
  border-radius: 50%;
  color: var(--gold);
  font-size: .9rem;
}

.gravity-section {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
}

.gravity-visual {
  min-width: 0;
}

.orbit-system {
  position: relative;
  width: min(100%, 580px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(16, 18, 22, .17);
  border-radius: 50%;
}

.orbit-1 {
  inset: 35%;
  border-color: rgba(217, 87, 24, .45);
}

.orbit-2 {
  inset: 24%;
}

.orbit-3 {
  inset: 12%;
}

.orbit-4 {
  inset: 0;
  border-color: rgba(217, 87, 24, .18);
}

.orbit-system::before,
.orbit-system::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background:
    linear-gradient(
      transparent,
      rgba(16, 18, 22, .11),
      transparent
    );
}

.orbit-system::after {
  left: 0;
  right: 0;
  top: 50%;
  bottom: auto;
  width: auto;
  height: 1px;
}

.mission-core {
  position: absolute;
  inset: 39%;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 40% 35%,
      #ffc351,
      #ec6d12 58%,
      #bd3f0d
    );
  color: white;
  box-shadow: 0 20px 55px rgba(217, 87, 24, .33);
  text-align: center;
  z-index: 3;
}

.mission-core span {
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .14em;
}

.mission-core strong {
  margin-top: 3px;
  font-size: .53rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .78;
}

.orbit-node {
  position: absolute;
  z-index: 4;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-bright);
  box-shadow: 0 9px 24px rgba(16, 18, 22, .08);
  font-size: .56rem;
  font-weight: 850;
  letter-spacing: .1em;
}

.node-software {
  top: 16%;
  left: 15%;
}

.node-data {
  top: 9%;
  right: 21%;
}

.node-media {
  top: 48%;
  left: -1%;
}

.node-community {
  top: 47%;
  right: -6%;
}

.node-operations {
  bottom: 13%;
  right: 15%;
}

.node-learning {
  bottom: 4%;
  left: 37%;
}

.gravity-copy .lead-copy {
  max-width: 590px;
  margin: 24px 0 0;
  color: #575a5e;
  font-size: 1.07rem;
}

.principles-list {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.principles-list > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.principles-list span {
  color: var(--orange);
  font-size: .65rem;
  font-weight: 850;
}

.principles-list p {
  margin: 0;
  color: #5e6063;
  font-size: .91rem;
}

.principles-list strong {
  color: var(--ink);
}

.layers-section {
  background: var(--ink);
  color: white;
  padding-block: 112px;
  overflow: hidden;
}

.layers-layout {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(48px, 8vw, 115px);
  align-items: center;
}

.layers-copy {
  max-width: 500px;
}

.layers-copy p:not(.eyebrow) {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .68);
}

.light-link {
  margin-top: 28px;
  color: white;
  border-color: rgba(255, 255, 255, .35);
}

.layers-diagram {
  position: relative;
  min-height: 615px;
}

.layer-disc {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(255, 168, 55, .32);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background:
    radial-gradient(
      circle at 50% 50%,
      rgba(255, 126, 0, .1),
      transparent 66%
    );
}

.layer-disc span {
  position: absolute;
  top: 14px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(11, 13, 16, .8);
  color: rgba(255, 255, 255, .68);
  font-size: .54rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.disc-5 {
  width: 590px;
  height: 590px;
}

.disc-4 {
  width: 470px;
  height: 470px;
}

.disc-3 {
  width: 350px;
  height: 350px;
}

.disc-2 {
  width: 235px;
  height: 235px;
}

.disc-1 {
  width: 122px;
  height: 122px;
  border: 0;
  background:
    radial-gradient(
      circle at 38% 33%,
      #ffc457,
      #eb6b12 63%,
      #bc3e0d
    );
  box-shadow: 0 0 55px rgba(236, 106, 18, .45);
}

.disc-1 span {
  top: 44px;
  background: transparent;
  color: white;
  text-align: center;
  line-height: 1.25;
}

.disc-2 span {
  color: #f5b74d;
}

.capabilities-heading {
  max-width: 800px;
}

.capability-track {
  margin-top: 58px;
  border-top: 1px solid var(--line);
}

.capability {
  display: grid;
  grid-template-columns: 70px minmax(220px, .72fr) 1fr;
  gap: 28px;
  align-items: center;
  min-height: 118px;
  border-bottom: 1px solid var(--line);
  transition:
    padding .25s ease,
    background .25s ease;
}

.capability:hover {
  padding-inline: 18px;
  background: rgba(255, 255, 255, .34);
}

.capability > span {
  color: var(--orange);
  font-size: .65rem;
  font-weight: 850;
}

.capability h3 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -.02em;
}

.capability p {
  margin: 0;
  color: var(--muted);
  font-size: .93rem;
}

.intelligence-section {
  position: relative;
  min-height: 600px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #050607;
  color: white;
}

.intelligence-image,
.intelligence-overlay {
  position: absolute;
  inset: 0;
}

.intelligence-image {
  background:
    url("assets/helios-network.png")
    center / cover
    no-repeat;
  transform: scale(1.03);
}

.intelligence-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(5, 6, 7, .94) 0%,
      rgba(5, 6, 7, .73) 48%,
      rgba(5, 6, 7, .18) 100%
    ),
    linear-gradient(
      0deg,
      rgba(5, 6, 7, .86),
      transparent 65%
    );
}

.intelligence-content {
  position: relative;
  z-index: 2;
  padding-bottom: 78px;
}

.intelligence-content h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.65rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.intelligence-content > p:last-child {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .7);
  font-size: 1.02rem;
}

.partnership-heading {
  max-width: 790px;
}

.partnership-heading > p:last-child {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--muted);
}

.trajectory {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 68px;
  padding-top: 32px;
}

.trajectory-line {
  position: absolute;
  left: 5%;
  right: 5%;
  top: 15px;
  height: 3px;
  background:
    linear-gradient(
      90deg,
      #8e9296,
      #b2a777 35%,
      #dc7b20 67%,
      #ff8c00
    );
}

.trajectory article {
  position: relative;
  min-height: 205px;
  padding: 28px 22px 20px;
  border-left: 1px solid var(--line);
}

.trajectory article:last-child {
  border-right: 1px solid var(--line);
}

.trajectory article::before {
  content: "";
  position: absolute;
  top: -23px;
  left: 20px;
  width: 14px;
  height: 14px;
  border: 4px solid var(--paper);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 1px rgba(16, 18, 22, .18);
}

.trajectory span {
  color: var(--orange);
  font-size: .62rem;
  font-weight: 850;
}

.trajectory h3 {
  margin: 25px 0 10px;
  font-size: 1rem;
  line-height: 1.25;
}

.trajectory p {
  margin: 0;
  color: var(--muted);
  font-size: .83rem;
}

.contact-section {
  position: relative;
  overflow: hidden;
  background: var(--orange);
  color: white;
  padding-block: 100px;
}

.contact-visual {
  position: absolute;
  right: -80px;
  top: 50%;
  width: 480px;
  transform: translateY(-50%);
  opacity: .12;
}

.contact-content {
  position: relative;
  z-index: 2;
  max-width: var(--shell);
}

.contact-content h2 {
  max-width: 850px;
}

.contact-content > p:not(.eyebrow) {
  max-width: 660px;
  margin: 22px 0 32px;
  color: rgba(255, 255, 255, .8);
}

.site-footer {
  background: var(--paper-bright);
  border-top: 1px solid var(--line);
  padding-block: 27px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: .64rem;
  font-weight: 850;
  letter-spacing: .13em;
}

.footer-brand img {
  width: 35px;
  height: 35px;
  object-fit: contain;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: .64rem;
}

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

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

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

  .visual-mark {
    animation: none;
  }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .hero h1 {
    max-width: 820px;
  }

  .visual-window {
    min-height: 560px;
  }

  .comparison-stage {
    grid-template-columns: 1fr 70px 1fr;
  }

  .builder-blueprint-grid {
    grid-template-columns: 1fr 76px 1fr;
  }

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

  .gravity-copy {
    max-width: 790px;
  }

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

  .layers-copy {
    max-width: 790px;
  }

  .layers-diagram {
    min-height: 610px;
  }

  .trajectory {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 28px;
  }

  .trajectory-line {
    display: none;
  }

  .trajectory article::before {
    top: 18px;
    left: auto;
    right: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 760px) {
  :root {
    --header: 70px;
  }

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

  .section {
    padding-block: 82px;
  }

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

  .brand-type small {
    display: none;
  }

  .site-nav {
    position: fixed;
    inset: var(--header) 0 auto 0;
    display: grid;
    gap: 0;
    padding: 10px 16px 22px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform .25s ease;
  }

  .site-nav.is-open {
    transform: none;
  }

  .site-nav a {
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .contact-link {
    padding: 15px 4px;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    gap: 42px;
    padding-block: 55px 70px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 12vw, 4.15rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-meta {
    margin-top: 42px;
    gap: 12px;
  }

  .visual-window {
    min-height: 465px;
    border-radius: 24px 24px 75px 24px;
  }

  .visual-mark {
    width: 145px;
  }

  .system-tag {
    font-size: .49rem;
  }

  .statement-inner {
    display: grid;
    justify-content: start;
    gap: 5px;
    padding-block: 20px;
  }

  .section-intro h2,
  .blueprint-heading h2,
  .gravity-copy h2,
  .layers-copy h2,
  .capabilities-heading h2,
  .partnership-heading h2,
  .contact-content h2 {
    font-size: clamp(2.25rem, 10vw, 3.2rem);
  }

  .comparison-stage {
    grid-template-columns: 1fr;
  }

  .comparison-side {
    min-height: auto;
    padding: 32px 25px;
  }

  .comparison-arrow {
    min-height: 74px;
  }

  .comparison-arrow span {
    transform: rotate(90deg);
  }

  .connected-core {
    width: 115px;
    height: 115px;
  }

  .builder-blueprint-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .builder-panel,
  .blueprint-panel {
    min-height: auto;
    padding: 32px 25px;
    border-radius: 20px;
  }

  .relationship-mark {
    height: 52px;
    transform: rotate(90deg);
  }

  .orbit-system {
    width: min(100%, 500px);
  }

  .orbit-node {
    font-size: .48rem;
  }

  .node-community {
    right: -2%;
  }

  .layers-diagram {
    min-height: 455px;
    transform: scale(.84);
    margin-inline: -8%;
  }

  .capability {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding-block: 22px;
  }

  .capability p {
    grid-column: 2;
    margin-top: 8px;
  }

  .intelligence-section {
    min-height: 560px;
  }

  .intelligence-content h2 {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .trajectory {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 46px;
    padding-top: 0;
  }

  .trajectory article {
    min-height: auto;
    padding: 25px 25px 27px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .trajectory article:first-of-type {
    border-top: 1px solid var(--line);
  }

  .trajectory article::before {
    top: 23px;
  }

  .contact-section {
    padding-block: 78px;
  }

  .contact-visual {
    width: 330px;
    right: -110px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.7rem;
  }

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

  .visual-window {
    min-height: 410px;
  }

  .visual-caption {
    left: 19px;
    right: 19px;
    bottom: 18px;
  }

  .visual-caption strong {
    display: none;
  }

  .tag-security {
    left: 6%;
  }

  .tag-experience {
    right: 5%;
  }

  .comparison-side li {
    font-size: .9rem;
  }

  .orbit-node {
    padding: 5px 7px;
    font-size: .43rem;
  }

  .layers-diagram {
    min-height: 380px;
    transform: scale(.68);
    margin-inline: -22%;
  }
}
/* Larger Helios One header logo */
.site-header .brand img {
width: 150px !important;
height: auto !important;
max-height: 54px !important;
object-fit: contain !important;
}

/* Give the header enough room for the wider logo */
.site-header .brand {
min-width: 170px;
gap: 14px;
}

/* Keep the nav aligned after logo enlargement */
.header-inner {
align-items: center;
}

/* Slightly enlarge footer logo too, but keep it restrained */
.footer-brand img {
width: 52px !important;
height: auto !important;
object-fit: contain !important;
}

/* Mobile logo sizing */
@media (max-width: 760px) {
.site-header .brand img {
width: 122px !important;
height: auto !important;
max-height: 48px !important;
}

.site-header .brand {
min-width: 130px;
}
}