:root {
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --button: #243b63;
  --button-text: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 28px 0 18px;
}

.site-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 1.6rem;
  font-weight: 700;
}

.header-logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.nav {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
}

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

main {
  padding: 54px 0 70px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
}

.hero-copy {
  flex: 1;
  min-width: 0;
}

.hero-copy h1 {
  font-size: 3.2rem;
  line-height: 1.08;
  margin: 0 0 22px;
  letter-spacing: -0.02em;
}

.hero-copy p {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 760px;
}

.hero-copy p strong {
  color: var(--text);
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 18px 0 24px;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  font-weight: 600;
}

.button.primary {
  background: var(--button);
  color: var(--button-text);
  border-color: var(--button);
}

.hero-art {
  flex: 0 0 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-large {
  width: 100%;
  max-width: 360px;
  height: auto;
  display: block;
  border-radius: 22px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 34px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .hero-art {
    flex: none;
    width: 100%;
  }

  .hero-logo-large {
    max-width: 260px;
  }
}