:root {
  --bg: #0b0d12;
  --bg-alt: #11141c;
  --card: #161a24;
  --border: #232838;
  --text: #e7eaf0;
  --muted: #9aa3b2;
  --accent: #6ea8fe;
  --accent2: #b48cff;
  --radius: 16px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.4em; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(110, 168, 254, 0.12);
  color: #cfe0ff;
  padding: 0.1em 0.4em;
  border-radius: 6px;
  font-size: 0.88em;
}

.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.brand img { border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a:not(.btn) { color: var(--muted); font-size: 0.95rem; transition: color 0.15s; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a.btn { color: #0b0d12; }

/* BUTTONS */
.btn {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #0b0d12;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 999px;
  transition: transform 0.12s, box-shadow 0.12s, opacity 0.12s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(110, 168, 254, 0.25); }
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { box-shadow: none; border-color: var(--accent); }

/* HERO */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 90px 24px 70px;
  text-align: center;
  position: relative;
}
.hero-badge {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; }
.lede {
  max-width: 680px;
  margin: 18px auto 32px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}
.lede strong { color: var(--text); }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-sub { color: var(--muted); font-size: 0.85rem; margin-top: 16px; }
.hero-art {
  margin-top: 50px;
  filter: drop-shadow(0 30px 60px rgba(110, 168, 254, 0.25));
  border-radius: 32px;
}

/* BANDS */
.band { max-width: var(--maxw); margin: 0 auto; padding: 80px 24px; text-align: center; }
.band.alt { background: var(--bg-alt); max-width: none; }
.band.alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.band-sub { color: var(--muted); max-width: 600px; margin: 0 auto 44px; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.card-ico { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); margin: 0; }

/* FEATURES */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.feat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.feat h3 { font-size: 1.1rem; }
.feat p { color: var(--muted); margin: 0; }

/* STEPS */
.steps { list-style: none; padding: 0; max-width: 720px; margin: 0 auto; text-align: left; display: grid; gap: 24px; }
.steps li { display: flex; gap: 20px; align-items: flex-start; }
.step-n {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #0b0d12;
}
.steps h3 { font-size: 1.15rem; margin-bottom: 4px; }
.steps p { color: var(--muted); margin: 0; }

/* FAQ */
.faq { max-width: 720px; margin: 0 auto; text-align: left; }
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--card);
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin: 12px 0 0; }

/* FINAL */
.final {
  text-align: center;
  padding: 90px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.final h2 { font-size: clamp(2rem, 5vw, 3rem); }
.final p { color: var(--muted); margin: 0 0 28px; }

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}
.footer > div { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); }
.footer nav { display: flex; gap: 20px; }
.footer nav a:hover { color: var(--text); }
.footer small { width: 100%; color: var(--muted); }
.footer small a { color: var(--accent); }

/* GENERIC PAGE (disclaimer) */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 90px;
}
.page h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.page h2 { font-size: 1.3rem; margin-top: 36px; }
.page p, .page li { color: var(--muted); }
.page a { color: var(--accent); }
.page .back { display: inline-block; margin-bottom: 30px; color: var(--muted); }

@media (max-width: 760px) {
  .cards, .feat-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}