:root {
  --bg: #070b12;
  --bg-alt: #0d1420;
  --surface: #121b2b;
  --surface-2: #182336;
  --text: #e8eef8;
  --muted: #93a4be;
  --accent: #3dd6c6;
  --accent-2: #4f8cff;
  --border: rgba(147, 164, 190, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 18, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: clamp(0.92rem, 2.2vw, 1.05rem);
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-cta {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text) !important;
  background: rgba(61, 214, 198, 0.08);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  font-size: 1.1rem;
}

.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at 20% 10%, rgba(79, 140, 255, 0.16), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(61, 214, 198, 0.12), transparent 30%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 0.75rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2eb8a9);
  color: #04211e;
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.btn-full {
  width: 100%;
  margin-top: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
}

.hero-stats dt {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.hero-stats dd {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.pipeline-card {
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.pipeline-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.node {
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.node.accent {
  color: #04211e;
  background: var(--accent);
  border-color: transparent;
}

.arrow {
  color: var(--muted);
  font-size: 0.9rem;
}

.metric-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.metric-strip span {
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-head p:last-child {
  color: var(--muted);
}

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

.card,
.work-item,
.stack-panel,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card h3,
.work-item h3 {
  font-size: 1.05rem;
}

.card p,
.work-item p {
  color: var(--muted);
  margin: 0;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.stack-panel h3 {
  margin-top: 0;
}

.stack-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.stack-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.stack-list li:last-child {
  border-bottom: 0;
}

.stack-list strong {
  display: block;
  margin-bottom: 0.2rem;
}

.stack-list span {
  color: var(--muted);
  font-size: 0.92rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
}

.work-foot {
  margin-top: 1.25rem;
  color: var(--muted);
}

.telecom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.telecom-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.telecom-card p {
  color: var(--muted);
  margin: 0;
}

.telecom-benefits {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}

.telecom-benefits > div > p {
  color: var(--muted);
}

.telecom-aside {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.telecom-aside h4 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.telecom-use-cases {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.telecom-use-cases li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.telecom-use-cases li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.step-num {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--muted);
  margin: 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

.contact-card p {
  margin: 0 0 0.35rem;
  color: var(--muted);
}

.contact-link {
  display: block;
  margin: 0.5rem 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 960px) {
  .hero-grid,
  .split,
  .contact-inner,
  .card-grid,
  .work-grid,
  .steps,
  .telecom-grid,
  .telecom-benefits {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 4rem;
    right: 1rem;
    left: 1rem;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
  }

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

  .hero-stats,
  .card-grid,
  .work-grid,
  .steps,
  .split,
  .contact-inner,
  .telecom-grid,
  .telecom-benefits {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }
}