:root {
  --bg: #0b0d10;
  --bg-alt: #12151a;
  --card: #171b21;
  --border: #262b33;
  --text: #eef1f5;
  --text-dim: #9aa4b2;
  --accent: #5eead4;
  --accent-dim: #2dd4bf;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11,13,16,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav.wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; font-size: 0.95rem; color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }
.nav-cta { background: var(--accent); color: #06201c; font-weight: 600; padding: 10px 20px; border-radius: 8px; font-size: 0.9rem; }
.nav-cta:hover { background: var(--accent-dim); }

.btn-primary { background: var(--accent); color: #06201c; font-weight: 600; padding: 14px 28px; border-radius: 8px; font-size: 1rem; display: inline-block; }
.btn-primary:hover { background: var(--accent-dim); }
.btn-secondary { border: 1px solid var(--border); color: var(--text); padding: 14px 28px; border-radius: 8px; font-size: 1rem; display: inline-block; }
.btn-secondary:hover { border-color: var(--accent); }

section { padding: 72px 0; border-top: 1px solid var(--border); }
.eyebrow {
  display: inline-block; font-size: 0.8rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--border); padding: 6px 14px; border-radius: 999px;
  margin-bottom: 20px;
}
.breadcrumb { font-size: 0.85rem; color: var(--text-dim); padding: 20px 0 0; }
.breadcrumb a:hover { color: var(--accent); }

/* Article content */
.article-head { padding: 56px 0 40px; text-align: left; max-width: 760px; }
.article-head h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.article-head .dek { font-size: 1.1rem; color: var(--text-dim); }
.article-meta { font-size: 0.85rem; color: var(--text-dim); margin-top: 20px; display: flex; gap: 16px; }

.answer-box {
  background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 24px 28px; margin: 32px 0; max-width: 760px;
}
.answer-box p { color: var(--text); font-size: 1.02rem; }
.answer-box .label { color: var(--accent); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 10px; }

.prose { max-width: 760px; }
.prose h2 { font-size: 1.5rem; margin: 40px 0 16px; letter-spacing: -0.01em; }
.prose h3 { font-size: 1.15rem; margin: 28px 0 12px; }
.prose p { color: var(--text-dim); margin-bottom: 16px; font-size: 1.02rem; }
.prose ul, .prose ol { color: var(--text-dim); margin: 0 0 16px 22px; font-size: 1.02rem; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); }

.cluster-links {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px; margin-top: 20px;
}
.cluster-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px;
}
.cluster-card:hover { border-color: var(--accent); }
.cluster-card h4 { font-size: 1.02rem; margin-bottom: 8px; }
.cluster-card p { color: var(--text-dim); font-size: 0.92rem; margin: 0; }

.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; max-width: 760px; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.faq-item p { color: var(--text-dim); font-size: 0.98rem; }

.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.pillar { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 32px; }
.pillar .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(94,234,212,0.1); color: var(--accent);
  font-weight: 700; font-size: 0.95rem; margin-bottom: 20px;
}
.pillar h3 { font-size: 1.15rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.pillar p { color: var(--text-dim); font-size: 0.97rem; }

.contact { text-align: center; }
form { max-width: 460px; margin: 0 auto; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
input[type="email"] {
  flex: 1; min-width: 220px;
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 14px 16px; border-radius: 8px; font-size: 0.95rem;
}
input[type="email"]:focus { outline: none; border-color: var(--accent); }
.form-note { font-size: 0.82rem; color: var(--text-dim); margin-top: 14px; }

footer { border-top: 1px solid var(--border); padding: 40px 0; text-align: center; color: var(--text-dim); font-size: 0.85rem; }

/* Video embed placeholder */
.video-embed-placeholder {
  background: var(--card); border: 1px dashed var(--border); border-radius: 12px;
  padding: 48px 24px; text-align: center; max-width: 760px; margin: 20px 0 10px;
}
.video-embed-placeholder .play-icon {
  width: 56px; height: 56px; border-radius: 50%;
  border: 2px solid var(--accent); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.3rem;
}
.video-embed-placeholder .label {
  color: var(--text); font-weight: 600; font-size: 0.98rem; margin-bottom: 6px;
}
.video-embed-placeholder .sub {
  color: var(--text-dim); font-size: 0.85rem;
}
.video-caption {
  color: var(--text-dim); font-size: 0.85rem; margin: 10px 0 24px; max-width: 760px;
}

/* Social share buttons */
.share-buttons {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
  margin: 24px 0; max-width: 760px;
}
.share-buttons .share-label {
  color: var(--text-dim); font-size: 0.85rem; margin-right: 4px;
}
.share-buttons a {
  border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 16px; font-size: 0.88rem; color: var(--text-dim);
  display: inline-flex; align-items: center; gap: 6px;
}
.share-buttons a:hover { border-color: var(--accent); color: var(--text); }