:root {
  --bg: #0a0e14;
  --bg-elevated: #10151f;
  --text: #f5f7fa;
  --text-muted: #a8b3c4;
  --border: #1f2836;
  --accent: #f5a623;
  --accent-2: #3b9dfa;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 10px;
  --container-width: 1180px;
}

@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-weight: 700; line-height: 1.2; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem); }
p { margin: 0 0 1em; color: var(--text-muted); }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.prose { max-width: 760px; }
.mt-lg { margin-top: 2rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 20, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand-mark { width: 28px; height: 28px; color: var(--accent); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.site-nav a { color: var(--text); font-weight: 500; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.nav-cta {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #10151f !important;
  font-weight: 600;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.25s ease;
  }
  .site-nav.open { max-height: 400px; visibility: visible; }
  .site-nav a { width: 100%; padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--border); }
  .nav-cta { border-radius: 0; text-align: center; }
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero p.lead {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #10151f; }
.btn-primary:hover { text-decoration: none; opacity: 0.9; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { text-decoration: none; border-color: var(--accent-2); }

/* Badge strip */
.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  padding: 1.5rem 0 3rem;
}
.badge {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

/* Sections */
.section { padding: 4rem 0; border-top: 1px solid var(--border); }
.section-title { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-title p { margin: 0; }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.card svg { width: 32px; height: 32px; color: var(--accent-2); margin-bottom: 1rem; }
.card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.card ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--text-muted); }
.card li { margin-bottom: 0.4rem; }

/* Cert list */
.cert-list { display: grid; gap: 1rem; }
.cert-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.5rem;
}
.cert-item dt { font-weight: 600; color: var(--text); }
.cert-item dd { margin: 0; color: var(--text-muted); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.contact-item { display: flex; gap: 0.9rem; align-items: flex-start; }
.contact-item svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 2rem; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-meta { text-align: right; color: var(--text-muted); font-size: 0.85rem; }
.site-footer p { margin: 0.2rem 0; font-size: 0.9rem; }
@media (max-width: 600px) {
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}