/* The 5 Keys course — /course (and /ask, which borrows the chrome).
   Same tokens, nav and buttons as the rest of the site (copied from the book
   page, which is how every page here carries them). */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --gold: #D4A843; --gold-light: #E8C872;
    --dark: #0F0F0F; --dark-surface: #1A1A1A; --dark-card: #222222;
    --text-primary: #F5F5F5; --text-secondary: #A0A0A0; --text-muted: #6B6B6B;
    --radius: 12px;
}
html { scroll-behavior: smooth; }
body { font-family: 'Verdana', Geneva, sans-serif; background: var(--dark); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); }

nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.25rem 2rem; display: flex; justify-content: space-between; align-items: center; background: rgba(15,15,15,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(212,168,67,0.1); }
.nav-logo { font-size: 1.25rem; font-weight: 700; color: var(--gold); text-decoration: none; letter-spacing: 0.02em; }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500; letter-spacing: 0.03em; text-transform: uppercase; }
.nav-links a:hover { color: var(--gold); }
.nav-cta { background: var(--gold) !important; color: var(--dark) !important; padding: 0.6rem 1.5rem; border-radius: 100px; font-weight: 600 !important; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); margin: 5px 0; }

section { padding: 5rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.narrow { max-width: 780px; margin: 0 auto; }
.section-label { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.section-title { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; margin-bottom: 1rem; text-wrap: balance; }
.section-desc { color: var(--text-secondary); font-size: 1.05rem; max-width: 640px; }
.center { text-align: center; }
.center .section-desc { margin: 0 auto; }
.surface { background: var(--dark-surface); }

.btn-primary, .btn-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 1rem 2.25rem; border-radius: 100px; text-decoration: none; font-size: 1rem; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: var(--gold); color: var(--dark); font-weight: 600; }
.btn-secondary { background: transparent; color: var(--text-primary); font-weight: 500; border: 1px solid rgba(255,255,255,0.15); }
.btn-small { padding: 0.65rem 1.4rem; font-size: 0.88rem; }

.hero { padding: 9rem 2rem 4rem; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -30%; left: 50%; width: 120%; height: 120%; transform: translateX(-50%); background: radial-gradient(ellipse at 30% 20%, rgba(212,168,67,0.10) 0%, transparent 55%); pointer-events: none; }
.hero-inner { max-width: 860px; margin: 0 auto; position: relative; }
.hero-label { display: inline-block; font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(212,168,67,0.3); padding: 0.5rem 1rem; border-radius: 100px; margin-bottom: 1.5rem; }
.hero h1 { font-size: clamp(2.25rem, 5.5vw, 3.75rem); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 1rem; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero .lede { color: var(--text-secondary); font-size: 1.08rem; max-width: 640px; margin-bottom: 2rem; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── The five modules, on the five lines of the staff (bottom line up) ── */
.modules { display: flex; flex-direction: column-reverse; margin-top: 2.5rem; }
.module-row { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr) auto; gap: 1.25rem; align-items: center; padding: 1.25rem 0; border-top: 2px solid rgba(212,168,67,0.35); text-decoration: none; color: inherit; }
.module-row:first-child { border-bottom: 2px solid rgba(212,168,67,0.35); }
.module-key { width: 2.8rem; height: 2.1rem; border-radius: 50%; background: var(--gold); color: var(--dark); display: grid; place-items: center; font-weight: 700; transform: rotate(-18deg); }
.module-key span { transform: rotate(18deg); }
.module-row h3 { font-size: 1.15rem; }
.module-row h3 small { color: var(--text-secondary); font-weight: 400; font-size: 0.9rem; margin-left: 0.4rem; }
.module-row p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.2rem; }
.module-state { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); white-space: nowrap; }
.module-row.open .module-state { color: var(--gold); }
.module-row.locked .module-key { background: transparent; color: var(--text-muted); border: 2px solid rgba(255,255,255,0.2); }

.includes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.includes div { background: var(--dark-card); border-radius: var(--radius); padding: 1.25rem 1.4rem; color: var(--text-secondary); font-size: 0.92rem; }
.includes strong { display: block; color: var(--text-primary); margin-bottom: 0.25rem; }
.join-box { margin-top: 2.5rem; border: 1px solid rgba(212,168,67,0.35); background: linear-gradient(135deg, rgba(212,168,67,0.12), rgba(212,168,67,0.03)); border-radius: var(--radius); padding: 2rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; }
.join-box .price { font-size: 2rem; font-weight: 700; }
.join-box .price span { font-size: 0.9rem; color: var(--text-secondary); font-weight: 400; }
.join-box p { color: var(--text-secondary); font-size: 0.92rem; }
.member-note { margin-top: 1.5rem; padding: 1rem 1.25rem; border-radius: var(--radius); background: var(--dark-card); color: var(--text-secondary); font-size: 0.9rem; }
.member-note[hidden] { display: none; }

footer { padding: 3rem 2rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-content { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-weight: 700; color: var(--gold); }
footer p { color: var(--text-muted); font-size: 0.85rem; }

@media (max-width: 680px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #0F0F0F; flex-direction: column; padding: 1.5rem; gap: 1rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .nav-links.open { display: flex; }
    .mobile-toggle { display: block; }
    section { padding: 4rem 1.25rem; }
    .hero { padding: 7.5rem 1.25rem 3rem; }
    .includes, .join-box { grid-template-columns: 1fr; }
    .module-row { grid-template-columns: 3rem minmax(0, 1fr); }
    .module-state { grid-column: 2; }
}