:root {
  --primary: #78ffd8;
  --secondary: #0f1d2e;
  --accent: #ff975a;
  --background: #081019;
  --panel: #0f1824;
  --panel-soft: #121f30;
  --text: #ecf4fb;
  --muted: #9fb2c5;
  --line: rgba(171, 199, 224, 0.16);
  --font-heading: 'Space Grotesk', Georgia, 'Times New Roman', serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: radial-gradient(circle at top left, rgba(120,255,216,0.12), transparent 30%), linear-gradient(180deg, #09131e, #071019 65%); line-height: 1.6; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }
.skip-link { position: absolute; left: 1rem; top: -3rem; background: var(--accent); color: #fff; padding: 0.75rem 1rem; z-index: 20; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; backdrop-filter: blur(14px); background: rgba(8,16,25,0.82); border-bottom: 1px solid var(--line); z-index: 10; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.8rem; }
.brand-mark { display: inline-flex; align-items: center; gap: 0.75rem; font-family: var(--font-heading); font-weight: 700; text-decoration: none; letter-spacing: 0.01em; }
.brand-mark img { width: 2.35rem; height: 2.35rem; }
.site-nav { display: flex; gap: 1.25rem; }
.site-nav a { text-decoration: none; font-weight: 600; color: var(--muted); }
.site-nav a:hover { color: var(--text); }
.menu-toggle { display: none; }
.hero-panel { padding: 6rem 0 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 2rem; align-items: start; }
.hero-copy { padding-right: 1rem; }
.hero-proof, .card, .detail-card, .final-cta-card { background: linear-gradient(180deg, rgba(18,31,48,0.95), rgba(12,23,35,0.95)); color: var(--text); border-radius: 1.35rem; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.hero-proof, .card, .detail-card, .final-cta-card { padding: 1.5rem; }
.hero-proof { position: relative; overflow: hidden; }
.hero-proof::before, .final-cta-card::before {
  content: "";
  position: absolute;
  inset: auto -40% -40% auto;
  width: 18rem;
  height: 18rem;
  background: radial-gradient(circle, rgba(120,255,216,0.22), transparent 60%);
  pointer-events: none;
}
.eyebrow { text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.76rem; font-weight: 700; color: var(--primary); margin: 0 0 1rem; }
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.04; margin: 0 0 1rem; }
h1 { font-size: clamp(2.7rem, 7vw, 5.4rem); max-width: 11ch; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
h3 { font-size: 1.2rem; }
.lede { font-size: 1.15rem; max-width: 46rem; color: var(--muted); }
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 0.95rem 1.3rem; border-radius: 999px; text-decoration: none; font-weight: 700; border: 1px solid transparent; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--accent); color: #fff; }
.button.secondary, .button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.metric-strip { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; }
.metric-strip li { padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(12, 22, 34, 0.66); }
.metric-strip strong, .score-row strong { display: block; font-family: var(--font-heading); font-size: 1.2rem; }
.metric-strip span { display: block; color: var(--muted); font-size: 0.92rem; margin-top: 0.2rem; }
.proof-heading { font-family: var(--font-heading); font-size: 1.1rem; margin: 0 0 1rem; }
.proof-note { color: var(--muted); margin-bottom: 0; }
.score-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
.score-row:last-of-type { border-bottom: 0; margin-bottom: 1rem; }
.score-row.danger strong { color: var(--accent); }
.section-block { padding: 4.75rem 0; }
.section-block.muted { background: linear-gradient(180deg, rgba(16,27,40,0.72), rgba(10,18,28,0.72)); border-block: 1px solid var(--line); }
.section-heading { margin-bottom: 1.5rem; }
.split-heading { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.5rem; align-items: end; }
.section-copy { color: var(--muted); margin: 0; }
.card-grid, .blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.card, .blog-card { min-height: 100%; }
.card p, .blog-card p, .detail-card p, .prose-block p, .contact-list li { color: var(--muted); }
.detail-stack { display: grid; gap: 1rem; }
.detail-card { background: linear-gradient(180deg, rgba(15,24,36,0.95), rgba(10,17,26,0.95)); }
.page-hero { padding: 4.5rem 0 1rem; }
.prose-block { max-width: 52rem; }
.prose-large p { font-size: 1.04rem; }
.evidence-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 1.5rem; }
.contact-layout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 1.5rem; align-items: start; }
.contact-list { margin: 0; padding-left: 1.2rem; }
.final-cta-card { text-align: left; }
.site-footer { padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .card-grid, .blog-grid, .contact-layout, .split-heading, .evidence-layout, .metric-strip { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-flex; border: 1px solid var(--line); background: rgba(14,24,36,0.95); color: var(--text); border-radius: 999px; padding: 0.7rem 1rem; }
  .site-nav { display: none; position: absolute; top: 4.6rem; right: 1rem; flex-direction: column; padding: 1rem; background: rgba(12,20,30,0.98); border: 1px solid var(--line); border-radius: 1rem; }
  .site-nav.is-open { display: flex; }
}