:root {
  --background: #080b10;
  --background-soft: #0f141c;
  --panel: #131923;
  --panel-light: #18212d;
  --border: #273241;
  --text: #f5f7fa;
  --muted: #9da9b7;
  --accent: #65d6b4;
  --accent-bright: #8ee8cc;
  --accent-dark: #153c35;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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: 1.6;
}

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

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.narrow {
  max-width: 850px;
}

.centered {
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 11, 16, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.brand-name {
  letter-spacing: -0.02em;
}

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

.main-nav a {
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--text);
}

.hero {
  padding: 120px 0 130px;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 80% 30%,
      rgba(101, 214, 180, 0.12),
      transparent 35%
    );
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 70px;
}

.hero-copy h1,
.page-hero h1 {
  margin: 18px 0 24px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.page-hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
}

.eyebrow,
.card-label {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.hero-lead,
.large-copy {
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-lead {
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 7px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

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

.button-primary {
  background: var(--accent);
  color: #07100d;
}

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

.button-secondary {
  border: 1px solid var(--border);
  background: var(--panel);
}

.terminal-window {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #050709;
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.5);
}

.terminal-bar {
  display: flex;
  gap: 7px;
  padding: 15px 18px;
  background: #10151c;
  border-bottom: 1px solid var(--border);
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #536070;
}

.terminal-content {
  padding: 30px;
  min-height: 310px;
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.9rem;
  line-height: 1.9;
}

.terminal-prompt,
.terminal-success,
.terminal-url {
  color: var(--accent);
}

.terminal-muted {
  color: #687483;
}

.section {
  padding: 110px 0;
}

.section-dark {
  background: var(--background-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.section h2 {
  margin: 14px 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.card-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card,
.feature,
.contact-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.product-card {
  padding: 34px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.product-card h3,
.feature h3 {
  margin: 17px 0 10px;
  font-size: 1.55rem;
}

.product-card p,
.feature p,
.contact-card p {
  color: var(--muted);
}

.product-card .text-link {
  margin-top: auto;
}

.featured-card {
  background:
    linear-gradient(
      145deg,
      var(--panel-light),
      var(--panel)
    );
  border-color: #365347;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: start;
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.page-hero {
  padding: 120px 0 90px;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(101, 214, 180, 0.09),
      transparent 40%
    );
}

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

.feature {
  padding: 36px;
}

.feature-number {
  color: var(--accent);
  font-family: monospace;
  font-size: 0.8rem;
}

.command-box {
  display: grid;
  gap: 10px;
  margin-top: 42px;
  padding: 26px;
  background: #050709;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.command-box code {
  color: var(--accent);
  font-size: 0.95rem;
}

.contact-card {
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.site-footer {
  padding: 55px 0;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-inner p {
  margin: 8px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

@media (max-width: 850px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }

  .main-nav {
    gap: 18px;
    flex-wrap: wrap;
  }

  .hero {
    padding: 80px 0;
  }

  .hero-inner,
  .split-section {
    grid-template-columns: 1fr;
  }

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

  .callout,
  .contact-card,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 30px), var(--max-width));
  }

  .brand-name {
    font-size: 0.9rem;
  }

  .main-nav {
    font-size: 0.85rem;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 2.65rem;
  }

  .section {
    padding: 75px 0;
  }

  .product-card,
  .feature,
  .contact-card {
    padding: 26px;
  }
}