:root { 
    --p: #bc13fe; 
    --s: #00f2ff; 
    --bg: #000; 
    --card: #080808; 
    --border: #1a1a1a; 
    --gold: #ffcc00; 
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }

body { background: var(--bg); color: white; font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.6; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 25px; }

/* --- NAVIGATION UI --- */
nav { position: sticky; top: 0; background: rgba(0,0,0,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); z-index: 1000; }
.nav-inner { display: flex; align-items: center; overflow-x: auto; white-space: nowrap; max-width: 1200px; margin: 0 auto; padding: 0 10px; scrollbar-width: none; }
.nav-inner::-webkit-scrollbar { display: none; }

.nav-link { 
    padding: 20px 25px; color: #666; text-decoration: none; font-size: 0.8rem; 
    font-weight: 800; text-transform: uppercase; letter-spacing: 1px; 
    cursor: pointer; position: relative; display: inline-block; transition: 0.3s; 
}
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 15%; width: 70%; height: 3px; background: #222; transition: 0.3s; }
.nav-link:hover { color: #fff; }
.nav-link:hover::after { background: var(--p); opacity: 0.5; }
.nav-link.active { color: var(--p); }
.nav-link.active::after { background: var(--p); height: 3px; width: 70%; opacity: 1; }

/* --- SECTIONS INTERFACES --- */
.section { display: none; padding: 80px 20px; animation: fadeIn 0.4s ease; }
.section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.title { font-size: clamp(2.5rem, 8vw, 4rem); font-weight: 800; line-height: 1; letter-spacing: -2px; margin-bottom: 40px; text-align: center; text-transform: uppercase; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 25px; margin-top: 50px; }

/* --- CARD ARCHITECTURES --- */
.card { background: var(--card); border: 1px solid var(--border); padding: 35px; border-radius: 25px; transition: 0.3s; }
.card:hover { border-color: var(--p); transform: translateY(-5px); }

.trust-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; padding: 20px; background: #050505; border-radius: 100px; border: 1px solid var(--border); margin: 40px 0; }
.badge { font-size: 0.65rem; font-weight: 800; letter-spacing: 1px; color: #555; text-transform: uppercase; }
.badge span { color: var(--s); margin-right: 5px; }

/* --- FAQ CORE SETS --- */
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: 15px; margin-bottom: 10px; }
.faq-question { padding: 18px; cursor: pointer; font-weight: 700; display: flex; justify-content: space-between; font-size: 0.95rem; }
.faq-answer { padding: 0 18px 18px; color: #777; font-size: 0.85rem; display: none; }
.faq-item.active .faq-answer { display: block; }

/* --- BUTTON LAYERS --- */
.btn { display: block; width: 100%; padding: 15px; text-align: center; border-radius: 10px; text-decoration: none; font-weight: 800; text-transform: uppercase; transition: 0.3s; margin-top: 20px; cursor: pointer; border: none; font-size: 0.85rem; font-family: inherit;}
.btn-solid { background: #222; color: #fff; }
.btn-solid:hover { background: #fff; color: #000; }
.btn-purple { background: var(--p); color: #fff; }
.btn-cyan { background: var(--s); color: #000; }
.btn-outline { border: 1px solid #333; color: #fff; background: transparent; }

/* --- PRICING GRID LAYOUTS --- */
.inv-card { background: var(--card); padding: 40px; border-radius: 30px; border: 2px solid var(--border); transition: 0.3s; position: relative; }
.inv-card:hover { transform: translateY(-10px); }
.inv-card.pro { border-color: var(--s); }
.inv-card.advanced { border-color: var(--p); }
.inv-num { font-size: 0.8rem; font-weight: 800; color: var(--s); margin-bottom: 10px; display: block; opacity: 0.7; }
.inv-card h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 20px; text-transform: uppercase; }
.inv-price { font-size: 3rem; font-weight: 800; display: block; margin-bottom: 25px; }
.inv-features { list-style: none; text-align: left; margin-bottom: 30px; }
.inv-features li { margin-bottom: 12px; font-size: 0.95rem; color: #aaa; display: flex; align-items: center; }
.inv-features li::before { content: '✓'; color: var(--s); margin-right: 10px; font-weight: 800; }
.sell-line { font-size: 0.85rem; font-weight: 700; color: var(--p); display: block; margin: 20px 0; }
.rec-tag { background: var(--s); color: #000; font-size: 0.7rem; font-weight: 900; padding: 5px 15px; border-radius: 5px; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); }

/* --- PRODUCTION HUBS GRAPHICS --- */
.hub-card { background: var(--card); border: 2px solid var(--border); padding: 50px 30px; border-radius: 35px; text-align: center; transition: 0.3s; }
.hub-card:hover { border-color: var(--p); transform: scale(1.02); }
.hub-label { font-size: 0.7rem; letter-spacing: 3px; color: var(--s); text-transform: uppercase; font-weight: 800; margin-bottom: 15px; display: block; }
.hub-card h3 { font-size: 2.2rem; margin-bottom: 15px; font-weight: 800; }
.hub-card p { color: #555; margin-bottom: 30px; font-size: 1rem; }
.explore-link { color: #fff; text-decoration: none; font-weight: 800; font-size: 0.8rem; border-bottom: 2px solid var(--p); padding-bottom: 5px; text-transform: uppercase; cursor: pointer; }

/* --- REVIEWS LAYERS --- */
.review-card { background: var(--card); padding: 40px; border-radius: 30px; border: 1px solid var(--border); transition: 0.3s; position: relative; }
.review-card:hover { border-color: var(--p); }
.review-card p { font-style: italic; color: #ccc; margin-bottom: 20px; font-size: 1.1rem; }
.review-card b { color: var(--p); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px; }

/* --- MAINTENANCE PLANS CONFIG --- */
.maint-card { background: #0c0c0c; border: 1px solid var(--border); padding: 40px; border-radius: 30px; text-align: left; transition: 0.3s; }
.maint-card.best-seller { border: 2px solid #ff7b00; transform: scale(1.05); z-index: 2; }
.maint-card h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 20px; display: flex; align-items: center; }
.maint-card h3::before { content: '♦'; color: var(--s); margin-right: 10px; }
.maint-row { display: flex; justify-content: space-between; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #1a1a1a; }
.maint-row span:last-child { font-weight: 800; }
.yearly-box { background: rgba(188, 19, 254, 0.1); padding: 10px 15px; border-radius: 10px; display: flex; justify-content: space-between; color: var(--p); font-weight: 800; margin-top: 10px; }
.maint-list { margin-top: 30px; list-style: none; color: #666; font-size: 0.9rem; }
.maint-list li { margin-bottom: 8px; }

/* --- GLOBAL APP FOOTER --- */
footer { background: #050505; border-top: 1px solid var(--border); padding: 60px 0 30px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; padding: 0 25px; }
.footer-col h4 { font-size: 0.9rem; margin-bottom: 15px; color: #fff; letter-spacing: 1px; }
.footer-col a { display: block; color: #666; text-decoration: none; margin-bottom: 8px; font-size: 0.8rem; cursor: pointer; transition: 0.3s;}
.footer-col a:hover { color: var(--p); }
.footer-bottom { text-align:center; padding-top:40px; font-size:0.6rem; letter-spacing:4px; color:#444; text-transform: uppercase; }