:root {
  color-scheme: dark;
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --accent: #0033cc;
  --border: #e6e6e6;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  line-height: 1.6;
}

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

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 32px;
  display: grid;
  gap: 64px;
}

.site-header,
.site-footer {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px;
}

.brand {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  justify-content: end;
  gap: 32px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.hero {
  display: grid;
  align-items: center;
  min-height: 72vh;
}

.hero-copy {
  max-width: 56rem;
}

.eyebrow {
  margin: 0 0 24px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1,
.section-heading h2,
.about h2,
.contact h2 {
  margin: 0;
  line-height: 0.95;
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.hero h1 {
  font-size: clamp(3.5rem, 5vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}

.hero-text {
  max-width: 42rem;
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 30px;
  border: 2px solid var(--text);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.services,
.about,
.contact {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.section-heading {
  margin-bottom: 40px;
}

.section-heading h2 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  margin-top: 12px;
}

.services-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-card {
  padding: 32px;
  border: 1px solid var(--border);
  min-height: 220px;
  display: grid;
  gap: 18px;
}

.service-card h3 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 800;
}

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

.about-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: start;
}

.about h2 {
  font-size: clamp(2.75rem, 4vw, 4rem);
  font-weight: 800;
  margin-top: 12px;
}

.about p {
  color: var(--muted);
  max-width: 40rem;
}

.about-stats {
  display: grid;
  gap: 24px;
}

.about-stats div {
  border: 1px solid var(--border);
  padding: 28px 24px;
}

.about-stats span {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 10px;
}

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

.contact-copy {
  max-width: 44rem;
}

.contact h2 {
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 800;
  margin-top: 12px;
}

.contact p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.contact a {
  color: var(--text);
  border-bottom: 1px solid currentColor;
}

.site-footer {
  padding-top: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .site-header,
  .site-footer,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

@media (max-width: 650px) {
  .page-shell {
    padding: 28px 20px;
  }

  .hero h1 {
    font-size: 3.3rem;
  }

  .hero-cta {
    width: 100%;
  }
}