/* Basic reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; }

/* Layout */
.site-header { background: #f5f5f5; border-bottom: 1px solid #e5e5e5; }
.site-header.small { padding-bottom: 0.75rem; }
.nav { max-width: 960px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 1rem; }
.logo { font-weight: 700; text-decoration: none; }
.nav-links { list-style: none; display: flex; gap: 1rem; }
.nav-links a { text-decoration: none; }
.nav-links a.active { text-decoration: underline; }

.hero { max-width: 960px; margin: 0 auto; padding: 3rem 1rem; display: grid; gap: 1rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); }
.btn { display: inline-block; padding: 0.6rem 1rem; border: 1px solid #222; border-radius: 6px; text-decoration: none; }

.content { max-width: 960px; margin: 2rem auto; padding: 0 1rem; display: grid; gap: 2rem; }

.site-footer { border-top: 1px solid #e5e5e5; padding: 1rem; text-align: center; color: #555; }