:root {
  --bg-deep: #07080D;
  --bg: #0B0E14;
  --bg-raised: #0F1219;
  --bg-card: #12161E;
  --bg-card-alt: #161B25;
  --border: #1C2230;
  --border-active: #2A3344;
  --text: #E8EDF5;
  --text-secondary: #8B99B0;
  --text-dim: #4D5A6E;
  --green: #4ADE80;
  --green-glow: #4ADE8018;
  --amber: #FBBF24;
  --amber-glow: #FBBF2418;
  --font-display: 'Clash Display', sans-serif;
  --font-body: 'General Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

.fs-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 8, 13, 0.9);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}
.fs-nav-inner {
  max-width: 1120px;
  height: 60px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.fs-logo { font-family: var(--font-mono); font-size: 15px; font-weight: 700; }
.fs-logo span { color: var(--green); }
.fs-nav-links { display: flex; gap: 24px; align-items: center; }
.fs-nav-link { font-size: 13px; color: var(--text-secondary); }
.fs-nav-link:hover { color: var(--text); }

.fs-container { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.fs-section { padding: 88px 0; }
.fs-section-alt { background: var(--bg-deep); }
.fs-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.fs-hero {
  padding: 96px 0 84px;
  background: radial-gradient(ellipse at 20% 10%, var(--green-glow), transparent 38%),
              radial-gradient(ellipse at 80% 30%, var(--amber-glow), transparent 34%);
}
.fs-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.fs-hero h1, .fs-h2 {
  font-family: var(--font-display);
  letter-spacing: -1.4px;
  line-height: 1.08;
}
.fs-hero h1 { font-size: clamp(40px, 5vw, 66px); margin-bottom: 22px; }
.fs-h2 { font-size: clamp(31px, 4vw, 48px); margin-bottom: 18px; }
.fs-subhead { font-size: 19px; color: var(--text-secondary); max-width: 690px; }
.fs-hero-card, .fs-card, .fs-difference-card, .fs-limitation-card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  border-radius: 18px;
}
.fs-hero-card { padding: 28px; }
.fs-proof-list { display: grid; gap: 12px; margin: 24px 0; }
.fs-proof-item { display: flex; gap: 10px; color: var(--text-secondary); font-size: 14px; }
.fs-proof-item strong { color: var(--text); }
.fs-dot { color: var(--green); }
.fs-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.fs-btn-green, .fs-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 14px 24px;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.fs-btn-green { background: var(--green); color: var(--bg); }
.fs-btn-green:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(74,222,128,.22); }
.fs-btn-outline { border: 1px solid var(--border-active); color: var(--text); }
.fs-btn-outline:hover { border-color: var(--text-dim); }
.fs-skip { color: var(--text-secondary); font-size: 13px; align-self: center; }
.fs-skip:hover { color: var(--text); }

.fs-lede { color: var(--text-secondary); max-width: 760px; font-size: 17px; margin-bottom: 34px; }
.fs-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
.fs-table { width: 100%; min-width: 820px; border-collapse: collapse; background: var(--bg-card); }
.fs-table th, .fs-table td { padding: 18px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.fs-table th { background: var(--bg-card-alt); color: var(--text); font-size: 13px; }
.fs-table td { color: var(--text-secondary); font-size: 14px; }
.fs-table td:first-child { color: var(--text); font-weight: 700; width: 24%; }
.fs-table td:nth-child(2) { color: var(--text); }
.fs-note { color: var(--text-dim); font-size: 13px; margin-top: 14px; }

.fs-number-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.fs-difference-card { padding: 24px; display: grid; grid-template-columns: 48px 1fr; gap: 16px; }
.fs-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(74,222,128,.1);
  border: 1px solid rgba(74,222,128,.25);
  color: var(--green);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fs-difference-card h3, .fs-limitation-card h3, .fs-card h3 { font-size: 19px; margin-bottom: 9px; letter-spacing: -.3px; }
.fs-difference-card p, .fs-limitation-card p, .fs-card p, .fs-card li { color: var(--text-secondary); font-size: 14px; }

.fs-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fs-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.fs-limitation-card, .fs-card { padding: 24px; }
.fs-card ul { padding-left: 18px; display: grid; gap: 10px; }
.fs-card.recommended { border-color: rgba(74,222,128,.42); box-shadow: 0 0 0 1px rgba(74,222,128,.08) inset; }
.fs-pill {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--green);
  color: var(--bg);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.fs-opinion {
  padding: 34px;
  border: 1px solid rgba(74,222,128,.28);
  border-radius: 18px;
  background: rgba(74,222,128,.045);
}
.fs-opinion p { color: var(--text-secondary); font-size: 18px; }
.fs-faq { display: grid; gap: 14px; }
.fs-faq details { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.fs-faq summary { cursor: pointer; font-weight: 700; }
.fs-faq p { color: var(--text-secondary); margin-top: 12px; }
.fs-final { text-align: center; padding: 92px 0; background: radial-gradient(ellipse at center, rgba(74,222,128,.08), transparent 62%); }
.fs-final p { color: var(--text-secondary); max-width: 620px; margin: 0 auto; }
.fs-footer { padding: 48px 32px; border-top: 1px solid var(--border); text-align: center; }
.fs-footer-logo { font-family: var(--font-mono); font-weight: 700; }
.fs-footer-logo span { color: var(--green); }
.fs-footer-sub, .fs-footer-built { color: var(--text-dim); font-size: 13px; margin-top: 8px; }
.fs-footer-links { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin: 22px 0; }
.fs-footer-links a { color: var(--text-secondary); font-size: 13px; }
.fs-footer-links a:hover { color: var(--text); }

@media (max-width: 860px) {
  .fs-nav-link { display: none; }
  .fs-hero-grid, .fs-number-grid, .fs-grid-3, .fs-grid-2 { grid-template-columns: 1fr; }
  .fs-hero { padding: 72px 0 64px; }
  .fs-section { padding: 64px 0; }
  .fs-difference-card { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .fs-container, .fs-nav-inner { padding-left: 22px; padding-right: 22px; }
  .fs-ctas { flex-direction: column; }
  .fs-btn-green, .fs-btn-outline { width: 100%; }
}