:root {
  --color-navy: #0b1f3a;
  --color-navy-2: #12345d;
  --color-green: #1f8f5f;
  --color-green-2: #48b47b;
  --color-ink: #17202c;
  --color-muted: #5d6b7a;
  --color-border: #dbe3ec;
  --color-soft: #f5f8fb;
  --color-white: #ffffff;
  --color-error: #b42318;
  --shadow-soft: 0 24px 70px rgba(11, 31, 58, 0.13);
  --radius: 8px;
  --container: 1120px;
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--color-white);
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

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

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.section {
  padding: 96px 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--color-white);
  background: var(--color-navy);
  border-radius: 6px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: var(--header-height);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 227, 236, 0.85);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 24px;
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--color-white);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-navy), var(--color-green));
  border-radius: 8px;
}

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

.brand strong {
  color: var(--color-navy);
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.1;
}

.brand span span {
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a,
.site-footer a {
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--color-navy);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-white);
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-navy);
  border-radius: 999px;
  content: "";
}

.menu-toggle-lines::before {
  transform: translateY(-7px);
}

.menu-toggle-lines::after {
  transform: translateY(5px);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(11, 31, 58, 0.06), rgba(31, 143, 95, 0.08) 48%, rgba(255, 255, 255, 0) 74%),
    var(--color-white);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: 68px;
}

.hero-copy h1,
.section h1,
.section h2 {
  margin: 0;
  color: var(--color-navy);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(2.65rem, 7vw, 5.8rem);
}

.hero-copy p {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.08rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.96rem;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: var(--color-white);
  background: var(--color-navy);
  box-shadow: 0 14px 30px rgba(11, 31, 58, 0.18);
}

.button-primary:hover {
  background: var(--color-navy-2);
}

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

.button-secondary:hover {
  box-shadow: 0 12px 26px rgba(11, 31, 58, 0.1);
}

.hero-visual {
  position: relative;
  aspect-ratio: 1;
  min-height: 380px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(245, 248, 251, 0.96)),
    repeating-linear-gradient(90deg, rgba(11, 31, 58, 0.06) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(0deg, rgba(31, 143, 95, 0.06) 0 1px, transparent 1px 34px);
  border: 1px solid rgba(219, 227, 236, 0.9);
  box-shadow: var(--shadow-soft);
  isolation: isolate;
}

.hero-visual::before,
.hero-visual::after,
.visual-orbit,
.visual-core,
.node,
.energy-arc {
  position: absolute;
}

.hero-visual::before {
  inset: 9%;
  border: 1px solid rgba(18, 52, 93, 0.18);
  border-radius: 50%;
  content: "";
}

.hero-visual::after {
  inset: 20%;
  border: 1px dashed rgba(31, 143, 95, 0.38);
  border-radius: 50%;
  content: "";
}

.visual-orbit {
  inset: 14%;
  border-radius: 50%;
  border: 2px solid transparent;
}

.visual-orbit-one {
  border-top-color: var(--color-navy);
  border-right-color: rgba(11, 31, 58, 0.35);
  transform: rotate(-28deg);
}

.visual-orbit-two {
  inset: 27%;
  border-left-color: var(--color-green);
  border-bottom-color: rgba(31, 143, 95, 0.38);
  transform: rotate(22deg);
}

.visual-core {
  inset: 50% auto auto 50%;
  display: grid;
  width: 116px;
  height: 116px;
  place-items: center;
  background: linear-gradient(145deg, var(--color-navy), #071426);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(11, 31, 58, 0.32);
  transform: translate(-50%, -50%) rotate(45deg);
}

.core-shield {
  width: 42px;
  height: 50px;
  background: linear-gradient(180deg, var(--color-white), #dce8f7);
  clip-path: polygon(50% 0, 88% 16%, 80% 72%, 50% 100%, 20% 72%, 12% 16%);
  transform: rotate(-45deg);
}

.core-bolt {
  inset: 34px auto auto 50px;
  width: 18px;
  height: 36px;
  background: var(--color-green-2);
  clip-path: polygon(48% 0, 100% 0, 66% 38%, 96% 38%, 28% 100%, 42% 54%, 0 54%);
  transform: rotate(-45deg);
}

.node {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-green);
  box-shadow: 0 0 0 8px rgba(31, 143, 95, 0.12);
}

.node-a {
  top: 16%;
  left: 29%;
}

.node-b {
  top: 31%;
  right: 14%;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 8px rgba(11, 31, 58, 0.12);
}

.node-c {
  bottom: 19%;
  right: 29%;
}

.node-d {
  bottom: 29%;
  left: 12%;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 8px rgba(11, 31, 58, 0.12);
}

.energy-arc {
  width: 90px;
  height: 90px;
  border: 2px solid rgba(31, 143, 95, 0.62);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.energy-arc-a {
  top: 20%;
  left: 9%;
  transform: rotate(-12deg);
}

.energy-arc-b {
  right: 8%;
  bottom: 18%;
  transform: rotate(168deg);
}

.section h1,
.section h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.section-text p,
.section-heading p,
.contact-copy p,
.legal-page p {
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.split-section {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 64px;
  align-items: start;
}

.about,
.differentiators {
  background: var(--color-soft);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 38px;
}

.section-heading.compact {
  margin-bottom: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  min-height: 430px;
  padding: 34px;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-navy);
  border-radius: var(--radius);
}

.service-card::after {
  position: absolute;
  inset: auto -80px -100px auto;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  content: "";
}

.service-card-green {
  background: #12643f;
}

.service-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 34px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 44%, rgba(255, 255, 255, 0.86) 44% 56%, transparent 56%),
    linear-gradient(0deg, transparent 44%, rgba(255, 255, 255, 0.86) 44% 56%, transparent 56%);
}

.service-card-green .service-icon {
  border-radius: 50% 50% 8px 50%;
}

.service-card h3 {
  margin: 0;
  font-size: 1.65rem;
  line-height: 1.15;
}

.service-card p {
  max-width: 560px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.service-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.service-card li {
  display: flex;
  gap: 10px;
  color: rgba(255, 255, 255, 0.92);
}

.service-card li::before {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 0.62em;
  background: var(--color-green-2);
  border-radius: 50%;
  content: "";
}

.service-card-green li::before {
  background: #baf5d0;
}

.differentiator-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-border);
}

.differentiator-list div {
  min-height: 112px;
  display: flex;
  align-items: end;
  padding: 24px;
  color: var(--color-navy);
  font-weight: 760;
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 56px;
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.form-status,
.field-full {
  grid-column: 1 / -1;
}

.form-status {
  margin: 0 0 6px;
  padding: 12px 14px;
  color: var(--color-navy);
  background: #edf6f1;
  border: 1px solid #cfe9da;
  border-radius: 8px;
  font-size: 0.95rem;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--color-navy);
  font-size: 0.94rem;
  font-weight: 760;
}

.field label span {
  color: var(--color-muted);
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid #cbd6e2;
  border-radius: 8px;
  padding: 10px 12px;
}

.field textarea {
  resize: vertical;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.field-error {
  min-height: 1.25em;
  margin: 0;
  color: var(--color-error);
  font-size: 0.88rem;
}

.checkbox-field {
  grid-template-columns: auto 1fr;
  align-items: start;
  column-gap: 10px;
}

.checkbox-field input {
  width: 18px;
  height: 18px;
  min-height: 0;
  margin-top: 4px;
}

.checkbox-field .field-error {
  grid-column: 2;
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.8);
  background: var(--color-navy);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer strong {
  color: var(--color-white);
}

.site-footer p {
  margin: 4px 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.76);
}

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

.legal-page {
  min-height: 62vh;
}

:focus-visible {
  outline: 3px solid rgba(31, 143, 95, 0.85);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-visual {
    animation: visual-rise 700ms ease both;
  }

  .visual-orbit-one {
    animation: slow-turn 18s linear infinite;
  }

  .visual-orbit-two {
    animation: slow-turn 22s linear infinite reverse;
  }

  @keyframes visual-rise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
  }

  @keyframes slow-turn {
    to {
      transform: rotate(360deg);
    }
  }
}

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

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

@media (max-width: 900px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .split-section,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-copy h1 {
    font-size: clamp(2.45rem, 10vw, 4rem);
  }

  .hero-visual {
    min-height: 320px;
  }

  .service-grid,
  .differentiator-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav:not(.static-nav) {
    position: fixed;
    inset: var(--header-height) 14px auto;
    display: grid;
    gap: 0;
    padding: 10px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav:not(.static-nav) a {
    padding: 14px 12px;
  }

  .static-nav {
    display: none;
  }

  .brand span span {
    max-width: 170px;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-grid {
    gap: 34px;
  }

  .hero-actions,
  .footer-grid {
    align-items: stretch;
    flex-direction: column;
  }

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

  .hero-visual {
    min-height: 280px;
  }

  .service-grid,
  .differentiator-list,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
    padding: 28px;
  }

  .differentiator-list div {
    min-height: 86px;
  }

  .contact-form {
    padding: 22px;
  }

  .footer-grid,
  .site-footer nav {
    align-items: flex-start;
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand span span {
    display: none;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }
}