/* --- Variables --- */
:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --bg-card: #21262d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #f0b429;
  --accent-hover: #f5c84a;
  --border: #30363d;
  --serif: "DM Serif Display", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --wrap: min(90vw, 720px);
  --wrap-wide: min(92vw, 960px);
  --space: clamp(2rem, 5vw, 4rem);
  --radius: 8px;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
strong { font-weight: 600; }
em { font-style: italic; }

/* --- Layout --- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.wrap--narrow { max-width: 560px; }
.wrap--wide { max-width: var(--wrap-wide); }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.5rem;
}
.logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}
.logo:hover { text-decoration: none; color: var(--accent); }
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  text-decoration: none;
}
.nav a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  color: var(--accent) !important;
  font-weight: 600;
}
.nav-cta:hover { color: var(--accent-hover) !important; }
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #0d1117;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #0d1117;
  text-decoration: none;
}
.btn--large { padding: 1rem 2rem; font-size: 1.0625rem; }

/* --- Sections --- */
.section {
  padding: var(--space) 0;
}
.section--alt { background: var(--bg-alt); }
.section--accent {
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.12) 0%, rgba(240, 180, 41, 0.04) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section--cta {
  padding: calc(var(--space) * 1.25) 0;
  text-align: center;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
  color: var(--text);
}
.section-lead {
  font-size: 1.125rem;
  color: var(--text);
  margin: 0 0 1rem;
}
.section-note {
  color: var(--text-muted);
  margin: 1rem 0 0;
  font-size: 0.9375rem;
}
.section-highlight {
  margin: 1.25rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-weight: 500;
}

/* --- Hero --- */
.hero {
  padding: clamp(3rem, 8vw, 5rem) 0;
  border-bottom: 1px solid var(--border);
}
.hero-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 1.25rem;
  color: var(--text);
}
.hero-lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}
.hero-body, .hero-close {
  margin: 0 0 1rem;
  color: var(--text);
}
.hero-close { margin-bottom: 1.5rem; }
.hero .btn { margin-top: 0.5rem; }

/* --- Lists --- */
.check-list, .bullet-list {
  margin: 0.5rem 0 1rem;
  padding-left: 1.5rem;
}
.check-list li {
  list-style: none;
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.bullet-list li { margin-bottom: 0.35rem; }

/* --- Steps --- */
.step {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  background: var(--accent);
  color: #0d1117;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}
.step-title {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
  color: var(--text);
}
.step p { margin: 0 0 0.5rem; }
.step .bullet-list { margin: 0.5rem 0 0.75rem; }
.step-tagline {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Price & sub-title --- */
.sub-title {
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1rem 0 0.5rem;
  color: var(--text);
}
.price {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  color: var(--accent);
  margin: 0 0 0.5rem;
}

/* --- Blockquote --- */
.elevator-quote {
  margin: 1rem 0 0;
  padding: 1.5rem 1.75rem;
  background: var(--bg-alt);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text);
}

/* --- CTA --- */
.cta-note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Footer --- */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.site-footer .logo { font-size: 1.125rem; }
.footer-legal {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Mobile nav --- */
@media (max-width: 640px) {
  .nav {
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 99;
  }
  .nav.is-open { transform: translateX(0); }
  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav-cta { border-bottom: none; margin-top: 0.5rem; }
  .menu-toggle { display: flex; }
}