:root {
  color-scheme: dark;

  --background: #0b1020;
  --surface: #111a2d;
  --surface-light: #16223a;
  --text: #f4f7ff;
  --muted: #a5b1c7;
  --accent: #7c9cff;
  --accent-strong: #a5b8ff;
  --border: rgba(190, 205, 235, 0.14);

  --container: 1120px;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 5px;
}

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

.section {
  padding: 100px 0;
}

.section-border {
  border-top: 1px solid var(--border);
}

.section-alt {
  background:
    radial-gradient(
      ellipse at 80% 10%,
      rgba(71, 99, 180, 0.12),
      transparent 45%
    ),
    var(--surface);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 16, 32, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-wrapper {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, #7798ff, #526bd4);
  color: #081024;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

nav a,
.site-footer a {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 160ms ease;
}

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

.hero {
  min-height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 800;
}

h1 span {
  color: var(--accent-strong);
}

h2 {
  max-width: 780px;
  margin: 0 0 22px;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  margin: 0 0 12px;
  font-size: 1.3rem;
}

.hero-description,
.section-intro {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-description {
  margin: 26px 0;
}

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

.button {
  min-height: 48px;
  padding: 12px 20px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  font-size: 0.93rem;
  font-weight: 700;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

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

.button-primary {
  background: var(--accent);
  color: #0b1020;
}

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

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

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

.availability-note,
.disclaimer {
  color: var(--muted);
  font-size: 0.83rem;
}

.availability-note {
  margin-top: 20px;
}

.hero-visual {
  position: relative;
  min-height: 430px;
  display: grid;
  place-items: center;
}

.visual-orbit {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(124, 156, 255, 0.2);
  border-radius: 50%;
}

.orbit-two {
  width: 280px;
  height: 280px;
  border-color: rgba(124, 156, 255, 0.13);
}

.visual-card {
  position: relative;
  z-index: 1;
  width: min(100%, 390px);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 26, 45, 0.95);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.25);
}

.visual-label,
.tech-category {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.visual-label {
  margin: 0 0 24px;
}

.workflow-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-number {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(124, 156, 255, 0.13);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
}

.workflow-step strong {
  display: block;
  margin-bottom: 3px;
}

.workflow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.workflow-line {
  width: 1px;
  height: 22px;
  margin: 7px 0 7px 19px;
  background: rgba(124, 156, 255, 0.3);
}

.visual-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: #7ce2b3;
}

.section-intro {
  margin-bottom: 42px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 30px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent-strong);
  font-weight: 800;
}

.feature-card p,
.technology-item p,
.about-copy p,
.contact-card > p:not(.eyebrow) {
  color: var(--muted);
}

.disclaimer {
  margin-top: 28px;
}

.technology-list {
  margin-top: 45px;
  border-top: 1px solid var(--border);
}

.technology-item {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.technology-item h3 {
  margin-top: 8px;
}

.technology-item p {
  margin: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
}

.about-copy p:first-child {
  margin-top: 0;
}

.contact-section {
  padding-top: 20px;
}

.contact-card {
  padding: 65px 30px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    radial-gradient(
      ellipse at top right,
      rgba(124, 156, 255, 0.14),
      transparent 60%
    ),
    var(--surface);
  text-align: center;
}

.contact-card h2 {
  margin-inline: auto;
}

.contact-card > p:not(.eyebrow) {
  max-width: 560px;
  margin: 0 auto 28px;
}

.site-footer {
  padding: 26px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-content p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 850px) {
  .section {
    padding: 76px 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .hero-visual {
    min-height: 390px;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .nav-wrapper {
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  nav {
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  nav a {
    flex-shrink: 0;
    font-size: 0.83rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 350px;
  }

  .visual-card {
    padding: 22px;
  }

  .visual-orbit {
    width: 300px;
    height: 300px;
  }

  .orbit-two {
    width: 230px;
    height: 230px;
  }

  .technology-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .contact-card {
    padding: 45px 20px;
  }

  .footer-content {
    align-items: flex-start;
  }
}

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

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