:root {
  --font-manrope: "Manrope", "Segoe UI", Arial, sans-serif;
  --font-space-grotesk: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --navy: #03162d;
  --navy-soft: #08243f;
  --cyan: #00b9e8;
  --teal: #00a9a1;
  --lime: #a9d61e;
  --ink: #0c1e2f;
  --muted: #5d6d7c;
  --mist: #f3f7f9;
  --line: #dce6eb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-manrope), Arial, sans-serif;
}

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

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

.site-header {
  align-items: center;
  background: #fdfdfd;
  border-bottom: 1px solid rgba(3, 22, 45, 0.08);
  display: flex;
  height: 96px;
  justify-content: space-between;
  padding: 0 5vw;
  position: relative;
  z-index: 20;
}

.brand {
  display: block;
  height: 80px;
  overflow: hidden;
  width: 340px;
}

.brand img {
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: scale(1.52);
  width: 100%;
}

.desktop-nav {
  align-items: center;
  display: flex;
  font-size: 13px;
  font-weight: 700;
  gap: 34px;
  letter-spacing: 0.02em;
}

.desktop-nav > a:not(.nav-cta) {
  padding: 30px 0;
  position: relative;
}

.desktop-nav > a:not(.nav-cta)::after {
  background: var(--cyan);
  bottom: 24px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
  width: 100%;
}

.desktop-nav > a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  background: var(--navy);
  color: var(--white);
  padding: 14px 19px;
}

.mobile-menu {
  display: none;
}

.hero {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.98) 48%, rgba(242, 249, 251, 0.82) 100%),
    repeating-linear-gradient(90deg, transparent 0, transparent 119px, rgba(3, 22, 45, 0.04) 120px);
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  min-height: calc(100vh - 96px);
  overflow: hidden;
  padding: 7.5vw 5vw 5vw;
  position: relative;
}

.hero::before {
  background: linear-gradient(90deg, var(--cyan), var(--teal), var(--lime));
  content: "";
  height: 4px;
  left: 0;
  position: absolute;
  top: 0;
  width: 38%;
}

.hero-copy {
  align-self: center;
  max-width: 760px;
  position: relative;
  z-index: 3;
}

.eyebrow {
  align-items: center;
  color: var(--teal);
  display: flex;
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 12px;
  font-weight: 700;
  gap: 12px;
  letter-spacing: 0.16em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.eyebrow > span {
  background: var(--lime);
  border-radius: 50%;
  height: 7px;
  position: relative;
  width: 7px;
}

.eyebrow > span::after {
  border: 1px solid rgba(169, 214, 30, 0.45);
  border-radius: 50%;
  content: "";
  inset: -5px;
  position: absolute;
}

.hero h1 {
  color: var(--navy);
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: clamp(56px, 6.3vw, 104px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.96;
  margin: 0;
  max-width: 850px;
}

.hero h1 em {
  color: var(--teal);
  font-style: normal;
  font-weight: 600;
}

.hero-copy > p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  margin: 32px 0 36px;
  max-width: 590px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  align-items: center;
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  gap: 42px;
  justify-content: space-between;
  letter-spacing: 0.02em;
  min-height: 54px;
  padding: 0 22px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.button-primary {
  background: var(--navy);
  box-shadow: 0 12px 28px rgba(3, 22, 45, 0.14);
  color: var(--white);
}

.button-primary span {
  color: var(--cyan);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--navy);
}

.hero-visual {
  align-self: center;
  height: min(68vw, 760px);
  justify-self: center;
  max-height: 78vh;
  max-width: 720px;
  overflow: hidden;
  position: relative;
  width: 100%;
  z-index: 2;
}

.hero-visual::before {
  background:
    radial-gradient(circle at center, rgba(0, 185, 232, 0.11), transparent 58%),
    linear-gradient(rgba(3, 22, 45, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(3, 22, 45, 0.04) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
  border-radius: 50%;
  content: "";
  inset: 4%;
  position: absolute;
}

.hero-visual img {
  filter: drop-shadow(0 26px 32px rgba(3, 22, 45, 0.22));
  height: 90%;
  left: 50%;
  max-width: 90%;
  object-fit: contain;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  z-index: 2;
}

.orbit {
  border: 1px solid rgba(0, 169, 161, 0.24);
  border-radius: 50%;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  height: 79%;
  width: 79%;
}

.orbit-two {
  border-style: dashed;
  height: 94%;
  width: 94%;
}

.data-point {
  background: var(--lime);
  border: 5px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(3, 22, 45, 0.08), 0 0 22px rgba(169, 214, 30, 0.58);
  height: 14px;
  position: absolute;
  width: 14px;
  z-index: 3;
}

.point-one {
  left: 14%;
  top: 30%;
}

.point-two {
  right: 8%;
  top: 57%;
}

.point-three {
  bottom: 14%;
  left: 31%;
}

.visual-label {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.86);
  border-left: 2px solid var(--cyan);
  box-shadow: 0 14px 34px rgba(3, 22, 45, 0.12);
  display: flex;
  flex-direction: column;
  padding: 12px 18px;
  position: absolute;
  z-index: 4;
}

.visual-label span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.visual-label strong {
  color: var(--navy);
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 15px;
  margin-top: 3px;
}

.label-top {
  right: 2%;
  top: 18%;
}

.label-bottom {
  bottom: 21%;
  left: 3%;
}

.hero-index {
  bottom: 28px;
  color: #7b8c99;
  display: flex;
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 10px;
  justify-content: space-between;
  left: 5vw;
  letter-spacing: 0.13em;
  position: absolute;
  right: 5vw;
  text-transform: uppercase;
}

.hero-index-icon {
  color: var(--teal);
  font-size: 18px;
  line-height: 0.5;
}

.hero-glow {
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.24;
  pointer-events: none;
  position: absolute;
}

.hero-glow-one {
  background: var(--cyan);
  height: 240px;
  right: 8%;
  top: 12%;
  width: 240px;
}

.hero-glow-two {
  background: var(--lime);
  bottom: 3%;
  height: 140px;
  right: 38%;
  width: 140px;
}

.signal-strip {
  background: var(--navy);
  color: var(--white);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 5vw;
}

.signal-strip > div {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 3px;
  grid-template-columns: auto 1fr;
  padding: 31px 38px;
}

.signal-strip > div:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-strip .signal-icon {
  color: var(--cyan);
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 20px;
  grid-row: 1 / 3;
  margin-right: 20px;
  padding-top: 0;
}

.signal-strip strong {
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 15px;
}

.signal-strip p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  margin: 0;
}

.section {
  padding: 115px 7vw;
}

.section-label {
  align-items: center;
  color: var(--teal);
  display: flex;
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 11px;
  font-weight: 700;
  gap: 14px;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.section-label::before {
  background: var(--lime);
  content: "";
  height: 2px;
  width: 26px;
}

.about-grid {
  display: grid;
  gap: 8vw;
  grid-template-columns: 1.3fr 0.7fr;
  margin-top: 40px;
}

.about h2,
.section-heading h2,
.approach h2,
.contact h2 {
  font-family: var(--font-space-grotesk), sans-serif;
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.08;
  margin: 0;
}

.about h2 {
  color: var(--navy);
  font-size: clamp(44px, 5.4vw, 80px);
  max-width: 980px;
}

.about h2 span {
  color: var(--teal);
}

.about-copy {
  align-self: end;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.about-copy p,
.section-heading > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.about-copy p {
  margin: 0 0 26px;
}

.text-link {
  align-items: center;
  color: var(--navy);
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  gap: 22px;
}

.text-link span {
  color: var(--cyan);
  transition: transform 160ms ease;
}

.text-link:hover span {
  transform: translateX(5px);
}

.focus {
  background: var(--mist);
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 8vw;
  grid-template-columns: 1fr 340px;
  margin-bottom: 56px;
}

.section-heading h2 {
  color: var(--navy);
  font-size: clamp(42px, 4.4vw, 68px);
  margin-top: 26px;
}

.section-heading > p {
  margin: 0;
}

.focus-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
}

.focus-card {
  background: var(--white);
  min-height: 390px;
  overflow: hidden;
  padding: 34px;
  position: relative;
  transition: background 200ms ease, transform 200ms ease;
}

.focus-card:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-7px);
  z-index: 2;
}

.card-icon {
  align-items: center;
  border: 1px solid rgba(0, 169, 161, 0.25);
  border-radius: 50%;
  color: var(--teal);
  display: inline-flex;
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 20px;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.focus-card:hover .card-icon {
  border-color: rgba(255, 255, 255, 0.26);
  color: var(--lime);
}

.card-line {
  background: linear-gradient(90deg, var(--cyan), var(--teal), var(--lime));
  height: 3px;
  margin: 30px 0 86px;
  transition: width 240ms ease;
  width: 32px;
}

.focus-card:hover .card-line {
  width: 100%;
}

.focus-card h3 {
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.focus-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
  max-width: 360px;
}

.focus-card:hover p {
  color: rgba(255, 255, 255, 0.62);
}

.card-arrow {
  bottom: 30px;
  color: var(--cyan);
  font-size: 19px;
  position: absolute;
  right: 32px;
}

.approach {
  background: var(--white);
}

.approach-panel {
  background:
    radial-gradient(circle at 14% 120%, rgba(0, 185, 232, 0.2), transparent 45%),
    linear-gradient(135deg, #03162d 0%, #06253e 100%);
  color: var(--white);
  display: grid;
  gap: 8vw;
  grid-template-columns: 1fr 0.9fr;
  overflow: hidden;
  padding: 80px;
  position: relative;
}

.approach-panel::after {
  border: 1px solid rgba(0, 185, 232, 0.18);
  border-radius: 50%;
  content: "";
  height: 540px;
  position: absolute;
  right: -240px;
  top: -240px;
  width: 540px;
}

.section-label.light {
  color: var(--cyan);
}

.approach h2 {
  font-size: clamp(48px, 5vw, 74px);
  margin: 28px 0;
}

.approach-copy p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
  max-width: 560px;
}

.principles {
  align-self: center;
  position: relative;
  z-index: 2;
}

.principles > div {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  gap: 24px;
  grid-template-columns: 36px 1fr;
  padding: 20px 0;
}

.principles > div:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.principles span {
  color: var(--lime);
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 20px;
  text-align: center;
}

.principles strong {
  font-family: var(--font-space-grotesk), sans-serif;
  font-size: 18px;
  font-weight: 500;
}

.contact {
  padding-top: 0;
}

.contact-card {
  align-items: center;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.35), transparent 28%),
    linear-gradient(115deg, #b9e338, #88c916);
  display: grid;
  gap: 8vw;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 78px;
}

.eyebrow.dark {
  color: var(--navy);
}

.eyebrow.dark > span {
  background: var(--navy);
}

.eyebrow.dark > span::after {
  border-color: rgba(3, 22, 45, 0.28);
}

.contact h2 {
  color: var(--navy);
  font-size: clamp(42px, 4.5vw, 70px);
  max-width: 740px;
}

.contact-action p {
  color: rgba(3, 22, 45, 0.72);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 26px;
  max-width: 500px;
}

.button-dark {
  background: var(--navy);
  color: var(--white);
}

.button-dark span {
  color: var(--lime);
}

footer {
  align-items: center;
  background: #fdfdfd;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 30px;
  grid-template-columns: auto 1fr auto;
  padding: 42px 7vw;
}

.footer-brand {
  height: 72px;
  width: 290px;
}

.footer-brand img {
  transform: scale(1.45);
}

footer > p {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.footer-meta {
  color: var(--muted);
  display: flex;
  font-size: 10px;
  gap: 24px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.back-to-top {
  align-items: center;
  background: var(--navy);
  border: 0;
  border-left: 3px solid var(--lime);
  bottom: 30px;
  box-shadow: 0 14px 34px rgba(3, 22, 45, 0.22);
  color: var(--white);
  cursor: pointer;
  display: flex;
  font-family: var(--font-space-grotesk), sans-serif;
  gap: 9px;
  min-height: 48px;
  opacity: 0;
  padding: 0 17px 0 14px;
  pointer-events: none;
  position: fixed;
  right: 26px;
  transform: translateY(16px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
  z-index: 30;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--navy-soft);
}

.back-to-top:focus-visible {
  outline: 3px solid rgba(0, 185, 232, 0.45);
  outline-offset: 3px;
}

.back-to-top span {
  color: var(--cyan);
  font-size: 20px;
  line-height: 1;
}

.back-to-top strong {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: 1fr 0.88fr;
    padding-top: 9vw;
  }

  .hero h1 {
    font-size: clamp(52px, 7vw, 78px);
  }

  .visual-label {
    display: none;
  }

  .about-grid,
  .section-heading,
  .approach-panel,
  .contact-card {
    gap: 55px;
    grid-template-columns: 1fr;
  }

  .section-heading > p {
    max-width: 620px;
  }

  .focus-card {
    min-height: 370px;
    padding: 28px;
  }

  .approach-panel,
  .contact-card {
    padding: 60px;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 84px;
    padding: 0 22px;
  }

  .brand {
    height: 64px;
    width: 260px;
  }

  .brand img {
    transform: scale(1.45);
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
    position: relative;
  }

  .mobile-menu summary {
    color: var(--navy);
    cursor: pointer;
    font-family: var(--font-space-grotesk), sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    list-style: none;
    text-transform: uppercase;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu nav {
    background: var(--navy);
    box-shadow: 0 18px 35px rgba(3, 22, 45, 0.18);
    color: var(--white);
    display: flex;
    flex-direction: column;
    min-width: 190px;
    padding: 14px;
    position: absolute;
    right: 0;
    top: 28px;
  }

  .mobile-menu nav a {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 13px;
    padding: 13px;
  }

  .hero {
    display: block;
    min-height: auto;
    padding: 84px 24px 54px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero h1 {
    font-size: clamp(48px, 16vw, 72px);
  }

  .hero-copy > p {
    font-size: 15px;
    line-height: 1.75;
  }

  .button {
    gap: 20px;
  }

  .hero-visual {
    height: 108vw;
    margin: 22px -8px 0;
    max-height: 540px;
    width: auto;
  }

  .hero-index {
    display: none;
  }

  .signal-strip {
    grid-template-columns: 1fr;
    padding: 18px 24px;
  }

  .signal-strip > div,
  .signal-strip > div:first-child {
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 19px 0;
  }

  .signal-strip > div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 82px 24px;
  }

  .about-grid {
    gap: 40px;
    margin-top: 30px;
  }

  .about h2,
  .section-heading h2,
  .approach h2,
  .contact h2 {
    font-size: 44px;
  }

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

  .focus-card {
    min-height: 320px;
  }

  .card-line {
    margin-bottom: 54px;
  }

  .approach-panel,
  .contact-card {
    gap: 42px;
    padding: 42px 28px;
  }

  .contact {
    padding-top: 0;
  }

  footer {
    align-items: start;
    grid-template-columns: 1fr;
    padding: 38px 24px;
  }

  .footer-meta {
    flex-direction: column;
    gap: 8px;
  }

  .back-to-top {
    border-left-width: 2px;
    bottom: 18px;
    height: 46px;
    justify-content: center;
    min-height: 46px;
    padding: 0;
    right: 18px;
    width: 46px;
  }

  .back-to-top strong {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}