/* --------------------------------------------------
   Base
-------------------------------------------------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: #0ea5e9; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #111827;
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}
.skip-link:focus { top: 0; }

/* --------------------------------------------------
   Header
-------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.8);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid #e5e7eb;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; }
.brand-logo { height: 28px; width: auto; display: block; }
.logo {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}
.brand-text { font-weight: 700; letter-spacing: -0.01em; }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; }
.site-nav a { color: #111827; padding: 6px 8px; border-radius: 6px; }
.site-nav a:hover { background: #f3f4f6; text-decoration: none; }

/* --------------------------------------------------
   Hero
-------------------------------------------------- */
.hero { background: linear-gradient(180deg, #f8fafc, #ffffff); }
.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.2;
  margin: 0 0 12px;
}
.lead { font-size: 18px; color: #334155; }
.hero-cta { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

.button {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 16px;
  border-radius: 10px; border: 1px solid #d1d5db;
  background: #ffffff; color: #111827; font-weight: 600;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.button:hover { background: #f9fafb; text-decoration: none; }
.button.primary { background: #0ea5e9; border-color: #0ea5e9; color: #ffffff; }
.button.primary:hover { background: #0284c7; }
.button.secondary { background: #f1f5f9; border-color: #e2e8f0; }
.button.secondary:hover { background: #e2e8f0; }

/* --------------------------------------------------
   Cards
-------------------------------------------------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { border: 1px solid #e5e7eb; border-radius: 14px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.03); }
.card-body { padding: 18px; }
.card h3 { margin: 0 0 6px; }
.card p { color: #475569; }

/* Product logos */
.product-logo { height: 36px; width: auto; margin-bottom: 10px; }

/* --------------------------------------------------
   Sections
-------------------------------------------------- */
.section.alt { background: #f8fafc; }
.section-title { margin: 0 0 12px; font-size: clamp(24px, 4vw, 36px); line-height: 1.2; }

/* --------------------------------------------------
   Footer
-------------------------------------------------- */
.site-footer { border-top: 1px solid #e5e7eb; background: #f8fafc; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; }
.footer-left { display: inline-flex; align-items: center; gap: 8px; }
.footer-right { display: inline-flex; gap: 12px; }

@media (max-width: 640px) {
  .brand-text { display: none; }
}