:root {
  --text: #111;
  --muted: #555;
  --border: #ddd;
  --border-light: #e5e5e5;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --container: 1100px;
  --radius: 12px;
  --radius-sm: 10px;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

#header {
  background: #fff;
}

main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.hero {
  padding: 40px 0 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 900px;
}

.hero p {
  font-size: 1.125rem;
  max-width: 820px;
  margin: 0 0 16px;
  color: var(--muted);
}

.cavebot {
  margin-top: 60px;
}

.cavebot h2,
.features h2 {
  font-size: clamp(1.75rem, 3vw, 2rem);
  line-height: 1.2;
  margin: 0 0 20px;
}

.cavebot p {
  font-size: 1.125rem;
  max-width: 850px;
  margin: 0 0 16px;
  color: var(--muted);
}

.features {
  margin-top: 70px;
}

.features ul {
  padding-left: 20px;
  margin: 0 0 24px;
}

.features li {
  margin-bottom: 10px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.feature-box h3 {
  font-size: 1.5rem;
  margin: 0 0 16px;
}

.feature-box p {
  font-size: 1rem;
  margin: 16px 0 0;
  color: var(--muted);
}

.setup-feature-image,
.healer-feature-image,
.cavebot-feature-image {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: #fff;
  margin-top: 20px;
}

.setup-image,
.healer-image,
.cavebot-image {
  width: 33%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: #fff;
  margin-top: 20px;
}

@media (max-width: 768px) {
  main {
    padding: 30px 16px 60px;
  }

  .site-header {
    min-height: 180px;
  }

  .site-logo img {
    height: 72px;
  }

  .site-menu {
    gap: 12px 18px;
    bottom: 10px;
  }
}