* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #172033;
  background: #f7f9fc;
  line-height: 1.6;
}

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

.site-header {
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

.nav-links a {
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 90px 20px 110px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  color: #38bdf8;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.03;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.hero-text {
  font-size: 1.15rem;
  max-width: 680px;
  color: #e2e8f0;
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-block;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.btn.primary {
  background: #38bdf8;
  color: #0f172a;
}

.btn.secondary {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: white;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 20px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading p {
  color: #475569;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 26px;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.06);
}

.card p,
.project-list p,
.split p {
  color: #475569;
}

.alt {
  max-width: none;
  background: white;
  padding-left: max(20px, calc((100% - 1120px) / 2));
  padding-right: max(20px, calc((100% - 1120px) / 2));
}

.project-list {
  display: grid;
  gap: 16px;
}

.project-list div {
  border-left: 4px solid #38bdf8;
  padding: 18px 22px;
  background: #f8fafc;
  border-radius: 12px;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.split p + p {
  margin-top: 14px;
}

.contact {
  padding-top: 40px;
}

.contact-box {
  text-align: center;
  background: #0f172a;
  color: white;
  border-radius: 28px;
  padding: 56px 24px;
}

.contact-box p {
  color: #cbd5e1;
  max-width: 620px;
  margin: 0 auto 22px;
}

.contact-box .small-note {
  margin-top: 16px;
  font-size: 0.86rem;
  color: #94a3b8;
}

footer {
  text-align: center;
  padding: 28px 20px;
  color: #64748b;
  font-size: 0.9rem;
}

@media (max-width: 850px) {
  .nav {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 14px;
  }

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

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

@media (max-width: 560px) {
  .hero {
    padding-top: 64px;
    padding-bottom: 76px;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }
}