*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #C8102E;
  --black: #111111;
  --white: #ffffff;
  --gray: #f4f4f4;
  --border: #e0e0e0;
  --text-muted: #555555;
  --max: 720px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo span { color: var(--red); }

.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--black);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s;
}

.nav-links a:hover, .nav-links a.active { opacity: 1; }

/* LAYOUT */
.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

/* TYPOGRAPHY */
h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
}

h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.4rem;
}

p { margin-bottom: 1rem; color: #222; }
p:last-child { margin-bottom: 0; }

.subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

/* CODE BOX */
.code-box {
  background: var(--black);
  color: var(--white);
  border-radius: 6px;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 2rem 0;
  gap: 1rem;
}

.code-value {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.copy-btn {
  background: var(--red);
  color: var(--white);
  border: none;
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, opacity 0.15s;
  font-family: inherit;
  flex-shrink: 0;
}

.copy-btn:hover { opacity: 0.85; }
.copy-btn.copied { background: #1a7a1a; }

.code-label {
  font-size: 0.75rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  margin-top: -1.5rem;
}

/* STEPS */
.steps { counter-reset: step; margin: 1.5rem 0 2rem; }

.step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.1rem;
  align-items: flex-start;
}

.step-num {
  background: var(--red);
  color: white;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.step-text { font-size: 0.95rem; }
.step-text strong { display: block; margin-bottom: 0.1rem; }
.step-text span { color: var(--text-muted); font-size: 0.875rem; }

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.25rem 0 2rem;
}

th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--border);
}

td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }
td:first-child { font-weight: 500; }

.yes { color: #1a7a1a; font-weight: 600; }
.no { color: var(--red); font-weight: 600; }

/* DIVIDER */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* FAQ */
.faq-item { border-top: 1px solid var(--border); padding: 1.25rem 0; }
.faq-item:last-child { border-bottom: 1px solid var(--border); }

.faq-q {
  font-weight: 600;
  font-size: 0.975rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

.faq-q::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item.open .faq-q::after { transform: rotate(45deg); }

.faq-a {
  display: none;
  margin-top: 0.75rem;
  font-size: 0.925rem;
  color: #333;
  line-height: 1.6;
}

.faq-item.open .faq-a { display: block; }

/* CALLOUT */
.callout {
  background: var(--gray);
  border-left: 3px solid var(--red);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  border-radius: 0 4px 4px 0;
}

/* BONUS CARDS */
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

@media (max-width: 560px) { .bonus-grid { grid-template-columns: 1fr; } }

.bonus-card {
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 6px;
}

.bonus-card .amount {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--red);
  display: block;
  margin-bottom: 0.25rem;
}

.bonus-card .label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.bonus-card p { font-size: 0.875rem; color: #444; margin: 0; }

/* CTA LINK */
.cta {
  display: inline-block;
  background: var(--red);
  color: white;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.925rem;
  margin-top: 1rem;
  transition: opacity 0.15s;
}

.cta:hover { opacity: 0.85; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer a { color: var(--text-muted); }
footer nav { border: none; position: static; padding: 0; }
footer .nav-inner {
  flex-direction: column;
  gap: 0.75rem;
  height: auto;
  padding: 0;
}
footer .nav-links { justify-content: center; flex-wrap: wrap; }
footer .nav-links a { font-size: 0.8rem; }

/* BADGE */
.verified {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #1a7a1a;
  background: #edfaed;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 1.5rem;
}

.verified::before {
  content: '✓';
  font-weight: 700;
}

/* UTILS */
.red { color: var(--red); }
.muted { color: var(--text-muted); font-size: 0.875rem; }
.mt-sm { margin-top: 0.5rem; }
.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
}

/* MOBILE */
@media (max-width: 600px) {
  .nav-links { gap: 1rem; }
  .code-box { padding: 1.25rem; }
}