:root {
  --brand: #0f172a;
  --brand-accent: #2563eb;
  --brand-glow: #38bdf8;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 48px -24px rgb(15 23 42 / 0.18);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-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: 50;
  background: rgb(255 255 255 / 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), #334155);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 900;
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--brand-accent);
}

.hero {
  padding: 5rem 0 4.5rem;
  background:
    radial-gradient(ellipse 70% 55% at 50% -10%, rgb(37 99 235 / 0.1), transparent 60%),
    linear-gradient(180deg, var(--bg-alt), var(--bg));
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgb(15 23 42 / 0.06);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--text);
  border-color: var(--border);
}

.panel-stack {
  display: grid;
  gap: 0.85rem;
}

.panel {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
}

.panel strong {
  display: block;
  margin-bottom: 0.25rem;
}

.panel span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

section {
  padding: 4.5rem 0;
}

section:nth-child(even) {
  background: var(--bg-alt);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.case-card {
  background: linear-gradient(135deg, #eff6ff, #f8fafc);
  border: 1px solid rgb(37 99 235 / 0.15);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
}

.case-card h3 {
  margin: 0 0 0.5rem;
}

.case-card p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.contact-card {
  background: var(--brand);
  color: white;
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
}

.contact-card p {
  margin: 0;
  opacity: 0.92;
}

.contact-card a {
  color: white;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  justify-content: space-between;
}

.footer-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 28rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero-grid,
  .grid-3,
  .case-study {
    grid-template-columns: 1fr;
  }
}