:root {
  --ink: #f7fbff;
  --muted: #9fb4c4;
  --bg: #07100f;
  --panel: rgba(13, 30, 30, 0.78);
  --line: rgba(174, 230, 221, 0.18);
  --cyan: #66f0ff;
  --green: #78f2b5;
  --gold: #ffcb6b;
  --coral: #ff7a7a;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(102, 240, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 88% 18%, rgba(255, 203, 107, 0.12), transparent 28rem),
    linear-gradient(135deg, #07100f 0%, #0b161a 52%, #10100f 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

#neural-field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.74;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 15, 0.74);
  backdrop-filter: blur(18px);
}

.nav,
.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(102, 240, 255, 0.38);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(102, 240, 255, 0.16), rgba(120, 242, 181, 0.1));
  box-shadow: 0 0 34px rgba(102, 240, 255, 0.24);
}

.brand-mark span {
  position: absolute;
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: var(--cyan);
}

.brand-mark span:nth-child(1) {
  transform: translateY(-8px) rotate(24deg);
}

.brand-mark span:nth-child(2) {
  width: 26px;
  background: var(--green);
}

.brand-mark span:nth-child(3) {
  transform: translateY(8px) rotate(-24deg);
  background: var(--gold);
}

.brand-text {
  font-size: 1.15rem;
}

.nav-toggle {
  display: none;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
  padding: 8px 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  align-items: center;
  padding: 76px 0;
}

.hero-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1;
  letter-spacing: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.2rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.lede {
  max-width: 720px;
  color: #c7d8df;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 18px;
  color: #04100f;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
}

.section {
  padding: 90px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card,
.system-panel,
.steps article,
.contact-form {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.18);
}

.service-card {
  min-height: 260px;
  padding: 24px;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: linear-gradient(135deg, rgba(102, 240, 255, 0.14), rgba(255, 203, 107, 0.08));
  transition: opacity 180ms ease;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card > * {
  position: relative;
}

.card-index {
  display: inline-block;
  margin-bottom: 40px;
  color: var(--green);
  font-weight: 900;
}

.service-card p,
.steps p,
.system-panel p {
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.contact-section {
  background: radial-gradient(circle at center, rgba(120, 242, 181, 0.12), transparent 36rem);
}

.contact-line {
  margin-top: 28px;
  display: grid;
  gap: 4px;
}

.contact-line span {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-line a {
  font-size: 1.3rem;
  font-weight: 900;
  text-decoration: none;
}

.contact-form {
  display: grid;
  gap: 15px;
  padding: 24px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(174, 230, 221, 0.25);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .nav {
    min-height: 68px;
    align-items: flex-start;
    padding: 14px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 66px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(7, 16, 15, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    padding: 12px;
  }

  .hero {
    min-height: auto;
    padding: 56px 0;
  }

  .service-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 0;
  }
}