* {
  box-sizing: border-box;
}

:root {
  --bg: #f7f8fb;
  --text: #101828;
  --muted: #667085;
  --card: #ffffff;
  --line: #e5e7eb;
  --accent: #111827;
  --accent-soft: #eef2ff;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  background: rgba(247, 248, 251, 0.9);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  z-index: 10;
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  font-size: 18px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a {
  text-decoration: none;
}

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

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0 64px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(38px, 7vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  margin-bottom: 12px;
}

.hero-text {
  color: var(--muted);
  font-size: 18px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid var(--accent);
}

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

.btn.secondary {
  background: white;
}

.hero-card,
.service-card,
.contact-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(16, 24, 40, 0.08);
}

.hero-card {
  padding: 28px;
}

.card-top {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}

.card-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line);
}

.hero-card p,
.service-card p,
.contact p {
  color: var(--muted);
}

.hero-card ul {
  padding-left: 20px;
  margin-bottom: 0;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

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

.service-card {
  padding: 24px;
}

.split {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 28px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
}

.step span {
  font-weight: 900;
  color: var(--muted);
}

.step p {
  margin: 0;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.contact-box {
  padding: 26px;
}

.contact-box p {
  margin-bottom: 12px;
}

.small-note {
  color: var(--muted);
  font-size: 14px;
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 46px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

.footer div {
  display: flex;
  gap: 16px;
}

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

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

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 56px;
  }

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

  .footer {
    flex-direction: column;
  }
}