/* Public landing page, in the studio's colours */
:root {
    --bg: #020617; --card: #0f172a; --raised: #1e293b; --line: #334155;
    --text: #f8fafc; --muted: #94a3b8; --silver: #cbd5e1;
    --indigo: #4f46e5; --violet: #818cf8; --purple: #a855f7; --token: #c084fc; --gold: #eab308; --cyan: #06b6d4; --green: #10b981;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--silver); font: 16px/1.6 "Segoe UI", system-ui, -apple-system, sans-serif; }
a { color: var(--violet); }
h1, h2, h3 { color: var(--text); margin: 0; }
section { max-width: 1080px; margin: 0 auto; padding: 56px 20px; }
section h2 { font-size: 30px; margin-bottom: 24px; text-align: center; }

.nav { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 12px;
       padding: 14px 20px; background: rgba(2, 6, 23, .85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--raised); }
.brand { font-weight: 900; letter-spacing: .5px; text-decoration: none; font-size: 18px;
         background: linear-gradient(90deg, var(--violet), var(--token)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav nav { display: flex; align-items: center; gap: 8px; }
.nav-link { color: var(--silver); text-decoration: none; font-size: 14px; padding: 8px; }
.nav-btn { background: var(--indigo); color: #fff; text-decoration: none; font-weight: 700; font-size: 14px; padding: 8px 14px; border-radius: 8px; }
.nav-btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--silver); }

.hero { text-align: center; padding-top: 88px; padding-bottom: 72px;
        background: radial-gradient(circle at 20% 0%, rgba(79, 70, 229, .25), transparent 50%), radial-gradient(circle at 85% 30%, rgba(168, 85, 247, .18), transparent 45%); max-width: none; }
.eyebrow { color: var(--gold); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; font-size: 13px; margin: 0 0 12px; }
.hero h1 { font-size: clamp(40px, 8vw, 76px); line-height: 1.05; font-weight: 900; }
.hero h1 span { background: linear-gradient(90deg, var(--violet), var(--token)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 640px; margin: 20px auto 32px; font-size: 18px; color: var(--silver); }
.cta-row { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.cta { display: inline-block; background: linear-gradient(90deg, var(--indigo), var(--purple)); color: #fff; text-decoration: none; font-weight: 800;
       font-size: 17px; padding: 16px 28px; border-radius: 12px; box-shadow: 0 10px 30px rgba(168, 85, 247, .35); }
.cta:hover { filter: brightness(1.1); }
.cta-note { font-size: 13px; color: var(--muted); }
.promo-note { margin: 18px auto 0; display: inline-block; background: rgba(234, 179, 8, .12); border: 1px solid rgba(234, 179, 8, .4);
              color: var(--gold); padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; }
.promo-note[hidden] { display: none; }

.demo-grid, .feature-grid, .price-grid { display: grid; gap: 16px; }
.demo-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); max-width: 820px; margin: 0 auto; }
.demo-card { margin: 0; background: var(--card); border: 1px solid var(--raised); border-radius: 14px; padding: 18px; }
.demo-card.after { border-color: rgba(168, 85, 247, .6); }
.demo-card figcaption { font-weight: 700; color: var(--text); margin-bottom: 10px; }
.demo-card audio { width: 100%; }

/* Four features: 4 across on wide screens, 2×2 on medium, stacked on phones (never 3 + 1) */
.feature-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }
.feature { background: var(--card); border: 1px solid var(--raised); border-radius: 14px; padding: 22px; }
.feature .icon { font-size: 28px; }
.feature h3 { margin: 10px 0 6px; font-size: 18px; }
.feature p { margin: 0; font-size: 15px; }
.extras { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; font-size: 15px; }

.steps ol { max-width: 560px; margin: 0 auto; padding-left: 22px; font-size: 18px; }
.steps li { margin: 10px 0; }
.steps strong { color: var(--text); }

.price-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.price-card { background: var(--card); border: 1px solid var(--raised); border-radius: 14px; padding: 24px; }
.price-card.highlight { border-color: var(--green); box-shadow: 0 0 0 1px rgba(16, 185, 129, .3), 0 10px 30px rgba(16, 185, 129, .12); }
.price-card h3 { font-size: 18px; }
.price { font-size: 30px; font-weight: 900; color: var(--text); margin: 8px 0 12px; }
.price-card ul { margin: 0; padding-left: 20px; font-size: 15px; }
.price-card li { margin: 6px 0; }

.faq { max-width: 760px; }
.faq details { background: var(--card); border: 1px solid var(--raised); border-radius: 12px; padding: 14px 18px; margin: 10px 0; }
.faq summary { cursor: pointer; color: var(--text); font-weight: 700; }
.faq details p { margin: 10px 0 0; }

.final-cta { text-align: center; padding-bottom: 80px; }

.footer { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; padding: 24px 20px 40px; border-top: 1px solid var(--raised); font-size: 14px; color: var(--muted); }

/* Footer contact box, centred on the footer so it never runs off a phone screen */
.contact { position: static; }
.contact summary { cursor: pointer; color: var(--violet); list-style: none; text-decoration: underline; }
.contact summary::-webkit-details-marker { display: none; }
.contact-box { position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%); width: min(300px, calc(100vw - 32px)); padding: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, .55); text-align: center; z-index: 5; }
.contact-box p { margin: 0 0 10px; color: var(--silver); overflow-wrap: anywhere; }
.contact-box strong { color: var(--text); user-select: all; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.contact-actions button, .contact-actions a { background: var(--raised); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font: inherit; font-size: 13px; text-decoration: none; cursor: pointer; }
.contact-actions button:hover, .contact-actions a:hover { border-color: var(--token); }

.brand, .nav-btn { white-space: nowrap; }

@media (max-width: 640px) {
    .nav-link { display: none; }
    .nav { padding: 12px 16px; }
    .brand { font-size: 15px; }
    .nav-btn { font-size: 13px; padding: 7px 11px; }
    .hero { padding-top: 56px; }
    .lead { font-size: 16px; }
    section { padding: 40px 16px; }
    section h2 { font-size: 24px; }
}