/* Path to FI - dark theme, no external dependencies */
:root {
  --bg: #0b0f17;
  --card: #131a26;
  --green: #4ade80;
  --gold: #fbbf24;
  --text: #e8ecf3;
  --muted: #93a0b4;
  --line: #232c3d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.micro { font-size: 13.5px; color: var(--muted); }
.gold { color: var(--gold); }

h1, h2, h3 { line-height: 1.25; margin-top: 0; }
h2 { font-size: 30px; margin-bottom: 18px; }
h3 { font-size: 19px; margin-bottom: 10px; }
p { margin: 0 0 14px; }

.kicker {
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.kicker.center { text-align: center; }

/* nav */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 1.5px;
  text-decoration: none;
  font-size: 15px;
  margin-right: auto;
}
.nav-links { display: flex; gap: 18px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14.5px;
}
.nav-links a:hover { color: var(--text); }

/* buttons */
.btn {
  display: inline-block;
  background: var(--green);
  color: #0b0f17;
  font-weight: 700;
  font-size: 16px;
  padding: 13px 28px;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--line);
}
.btn-ghost:hover { border-color: var(--green); filter: none; }
.btn-small { padding: 9px 18px; font-size: 14px; white-space: nowrap; }

/* hero */
.hero { text-align: center; padding: 72px 0 56px; }
.hero h1 {
  font-size: 60px;
  letter-spacing: 3px;
  margin: 0 0 14px;
}
.hero-sub { font-size: 21px; color: var(--text); margin-bottom: 10px; }
.hero-body { color: var(--muted); max-width: 620px; margin: 0 auto 26px; }
.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

/* sections */
main section { padding: 44px 0; }
.band {
  background: var(--card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.band .card { background: var(--bg); }

/* cards and grids */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
  margin-bottom: 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.grid .card { margin-bottom: 0; }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.two-col .card { margin-bottom: 0; }
.mod-num {
  color: var(--gold);
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 6px;
}
.link-card { text-decoration: none; display: block; }
.link-card:hover { border-color: var(--green); }
.link-card h3 { margin-bottom: 8px; }
.link-card p { margin: 0; }

/* checklists */
ul.ticks { list-style: none; margin: 0; padding: 0; }
ul.ticks li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
}
ul.ticks li:last-child { margin-bottom: 0; }
ul.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
ul.ticks.cross li::before { content: "✕"; color: var(--gold); }

/* forms */
form.signup {
  max-width: 460px;
  margin: 26px auto 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  text-align: left;
}
.band form.signup { background: var(--bg); }
form.signup h3 { text-align: center; margin-bottom: 18px; }
form.signup label {
  display: block;
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 14px;
}
form.signup input[type="text"],
form.signup input[type="email"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  font-size: 16px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
form.signup input:focus {
  outline: none;
  border-color: var(--green);
}
form.signup .btn { width: 100%; margin-top: 6px; }
form.signup .micro { text-align: center; margin: 12px 0 0; }

/* faq */
details.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 17.5px;
}
details.faq summary::marker { color: var(--green); }
details.faq p { margin: 12px 0 0; color: var(--muted); }

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 30px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14.5px;
}
footer p { margin: 0 0 6px; }

/* mobile */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 52px 0 40px; }
  .hero h1 { font-size: 42px; letter-spacing: 2px; }
  h2 { font-size: 25px; }
  .nav-links { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .cta-row .btn { width: 100%; text-align: center; }
  main section { padding: 32px 0; }
}