* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f5f3;
  --surface: #ffffff;
  --text: #161616;
  --muted: #6f6f6f;
  --line: #e7e3dc;
}

html {
  scroll-behavior: smooth;
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  font-size: 15px;
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.page-content {
  padding: 72px 0 100px;
}

.page-content h1 {
  margin: 0 0 16px;
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.page-content p {
  margin: 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: transparent;
}

.site-footer .container {
  padding: 24px 0 40px;
}

.site-footer p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-header__inner {
    min-height: auto;
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 16px;
    flex-wrap: wrap;
  }

  .page-content {
    padding: 48px 0 72px;
  }

  .page-content h1 {
    font-size: 40px;
  }

  .page-content p {
    font-size: 18px;
  }
}

.hero {
  padding: 120px 0 80px;
}

.hero h1 {
  font-size: 64px;
  line-height: 0.95;
  margin: 0 0 20px;
  letter-spacing: -0.04em;
}

.hero p {
  font-size: 22px;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 10px;
  font-size: 15px;
  text-decoration: none;
}

.btn-primary {
  background: #111;
  color: #fff;
}

.btn-secondary {
  background: #eee;
  color: #111;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 100px;
}

.feature {
  background: #fff;
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 12px;
}

.feature h3 {
  margin: 0 0 10px;
}

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

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 44px;
  }
}