/* --- CORE THEME: LIQUID NEON --- */
    :root {
      --bg-void: #020408;
      
      --primary: #54ffb4; /* Green - Growth/Safety */
      --accent: #50f0ff;  /* Cyan - Tech */
      --pro: #a78bfa;     /* Purple - Premium */
      --gold: #fbbf24;    /* Gold - Investors */
      --danger: #ff4757;  /* Red - Alert */
      --white: #ffffff;
      --muted: #94a3b8;
      
      /* Liquid Glass Variables */
      --glass-bg: rgba(20, 35, 50, 0.45); 
      --glass-border: rgba(255, 255, 255, 0.12);
      --glass-blur: blur(25px);
      
      --glow-primary: 0 0 50px rgba(84, 255, 180, 0.25);
      --ease: cubic-bezier(0.23, 1, 0.32, 1);
    }

    /* --- RESET --- */
    * { box-sizing: border-box; outline: none; -webkit-tap-highlight-color: transparent; }
    html { scroll-behavior: smooth; }
    body { 
      margin: 0; padding: 0; 
      background: var(--bg-void); 
      color: var(--white); 
      font-family: 'Inter', sans-serif; 
      overflow-x: hidden; 
      padding-bottom: 100px;
    }

    /* --- BACKGROUND ENGINE --- */
    #icCanvas {
      position: fixed; top: 0; left: 0; width: 100%; height: 100%;
      z-index: 0; pointer-events: none; opacity: 1;
    }
    
    /* Neon Breath Overlay */
    .neon-breath {
      position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
      width: 100vw; height: 100vh;
      background: radial-gradient(circle at center, rgba(80, 240, 255, 0.12) 0%, rgba(84, 255, 180, 0.05) 45%, transparent 80%);
      z-index: -1; pointer-events: none;
      animation: breathe 8s infinite alternate;
    }
    @keyframes breathe { 0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); } 100% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); } }

    /* --- UTILS --- */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
    .section { padding: 100px 0; border-bottom: 1px solid var(--glass-border); position: relative; }
    .text-center { text-align: center; }
    .grad-text { 
      background: linear-gradient(135deg, #fff 20%, var(--accent) 60%, var(--primary) 100%); 
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hidden { display: none !important; }
    
    /* Reveal Animation */
    .reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s var(--ease); }
    .reveal.active { opacity: 1; transform: translateY(0); }

    /* Typography */
    h1 { font-size: clamp(42px, 8vw, 80px); line-height: 1.05; font-weight: 900; margin-bottom: 24px; letter-spacing: -0.02em; text-shadow: 0 0 60px rgba(84, 255, 180, 0.25); }
    h2 { font-size: 36px; font-weight: 800; margin-bottom: 24px; color: #fff; }
    p { color: var(--muted); font-size: 17px; line-height: 1.6; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }

    /* --- COMPONENT: LIQUID GLASS CARD --- */
    .liquid-glass {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-top: 1px solid rgba(255, 255, 255, 0.25);
      box-shadow: 0 20px 60px rgba(0,0,0,0.6), inset 0 0 30px rgba(255,255,255,0.02);
      border-radius: 24px; transition: 0.4s var(--ease);
    }
    .liquid-glass:hover { border-color: rgba(255, 255, 255, 0.35); transform: translateY(-5px); box-shadow: 0 30px 80px rgba(0,0,0,0.7); }

    /* --- BUTTONS --- */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 10px;
      padding: 16px 36px; border-radius: 14px; font-weight: 700; font-size: 16px;
      text-decoration: none; border: none; cursor: pointer; transition: 0.3s var(--ease); 
      position: relative; overflow: hidden; letter-spacing: 0.02em;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #050a10; box-shadow: var(--glow-primary);
    }
    .btn-primary:hover { box-shadow: 0 0 80px rgba(84, 255, 180, 0.6); transform: translateY(-3px) scale(1.02); }
    
    .btn-outline {
      background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); color: #fff; backdrop-filter: blur(5px);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
    
    .btn-gold { background: rgba(251,191,36,0.15); border: 1px solid var(--gold); color: var(--gold); }
    .btn-gold:hover { background: rgba(251,191,36,0.25); box-shadow: 0 0 30px rgba(251,191,36,0.2); }

    .btn-pulse { animation: pulse 2s infinite; }
    @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(84, 255, 180, 0.6); } 70% { box-shadow: 0 0 0 25px rgba(84, 255, 180, 0); } 100% { box-shadow: 0 0 0 0 rgba(84, 255, 180, 0); } }

    /* --- HEADER --- */
    .navbar {
      position: fixed; top: 0; width: 100%; z-index: 1000;
      padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
      background: rgba(5, 10, 16, 0.8); backdrop-filter: blur(24px);
    }
    .nav-inner { display: flex; justify-content: space-between; align-items: center; }
    .logo { font-size: 22px; font-weight: 900; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 12px; letter-spacing: 0.05em; }
    .logo svg { width: 32px; height: 32px; filter: drop-shadow(0 0 15px var(--accent)); }

    /* --- HERO --- */
    .hero { min-height: 90vh; display: flex; align-items: center; padding-top: 100px; }
    .hero-content { max-width: 900px; margin: 0 auto; text-align: center; }

    /* --- CALCULATOR 7.0 (SALES LOGIC) --- */
    .calc-wrapper { padding: 40px; position: relative; overflow: hidden; }
    .calc-wrapper::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background: linear-gradient(90deg, transparent, var(--primary), transparent); }
    
    .slider-container { margin: 40px 0; position: relative; }
    .range-slider { width: 100%; -webkit-appearance: none; height: 6px; background: rgba(255,255,255,0.1); border-radius: 4px; outline: none; }
    .range-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 36px; height: 36px; background: var(--accent); border-radius: 50%; cursor: pointer; box-shadow: 0 0 30px var(--accent); border: 4px solid #fff; }
    .val-display { font-size: 56px; font-weight: 800; color: var(--accent); text-shadow: 0 0 40px rgba(80,240,255,0.4); line-height: 1; margin-bottom: 10px; }
    
    .needs-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; margin-bottom: 30px; }
    .need-item { 
      background: rgba(255,255,255,0.03);
      padding: 20px;
      border-radius: 16px;
      cursor: pointer;
      border: 1px solid transparent;
      text-align: center;
      font-weight: 700;
      font-size: 14px;
      transition: 0.2s;
      min-width: 0;
      white-space: normal;
      word-break: break-word;
      line-height: 1.25;
    }
    .need-item:hover { background: rgba(255,255,255,0.08); }
    .need-item.selected { background: rgba(84,255,180,0.15); border-color: var(--primary); color: var(--primary); box-shadow: 0 0 30px rgba(84,255,180,0.1); }

    @media (max-width: 520px){
      .needs-grid{ gap: 10px; }
      .need-item{ padding: 14px 12px; font-size: 13px; border-radius: 14px; }
    }
    
    /* Result Box */
    .calc-result { 
      background: rgba(0,0,0,0.4); 
      border: 1px solid var(--primary);
      box-shadow: inset 0 0 40px rgba(84,255,180,0.15), 0 20px 60px rgba(0,0,0,0.5);
      padding: 30px; border-radius: 20px; text-align: center; 
      animation: popIn 0.4s var(--ease); 
      position: relative; overflow: hidden;
    }
    .calc-result::after { content:''; position:absolute; inset:0; background: radial-gradient(circle at top, rgba(84,255,180,0.2), transparent 70%); pointer-events: none; }
    .res-content { position: relative; z-index: 2; }
    .roi-badge { background: var(--primary); color: #000; font-size: 11px; font-weight: 900; padding: 4px 10px; border-radius: 4px; display: inline-block; margin-bottom: 15px; }
    @keyframes popIn { from{transform:scale(0.9);opacity:0;} to{transform:scale(1);opacity:1;} }

    /* --- SCENARIOS (TABBED & LIQUID) --- */
    .scene-nav { display: flex; justify-content: center; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
    .scene-tab { 
      background: rgba(0,0,0,0.3); border: 1px solid var(--glass-border); 
      border-radius: 12px; padding: 14px 20px; cursor: pointer; 
      color: var(--muted); font-weight: 600; transition: 0.3s; 
    }
    .scene-tab:hover { background: rgba(255,255,255,0.05); }
    .scene-tab.active { background: rgba(255,255,255,0.1); color: #fff; border-color: var(--primary); box-shadow: 0 0 30px rgba(84,255,180,0.15); }
    
    .scene-content { display: none; animation: slideUp 0.4s ease-out; }
    .scene-content.active { display: block; }
    @keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

    .compare-row { display: flex; gap: 20px; margin-top: 20px; align-items: stretch; }
    .c-col { 
      flex: 1; padding: 30px; border-radius: 20px; text-align: center; 
      display: flex; flex-direction: column; justify-content: center; 
      position: relative; overflow: hidden; 
    }
    .c-bad { background: rgba(255,71,87,0.1); border: 1px solid var(--danger); color: var(--danger); }
    .c-good { 
      background: rgba(84,255,180,0.1); border: 1px solid var(--primary); 
      color: var(--primary); transform: scale(1.05); 
      box-shadow: 0 0 50px rgba(84,255,180,0.15); z-index: 2; 
    }
    
    .c-price { font-size: 42px; font-weight: 900; margin: 10px 0; line-height: 1; word-wrap: break-word; }
    .c-lbl { font-size: 11px; text-transform: uppercase; font-weight: 700; opacity: 0.8; letter-spacing: 1px; }
    .save-badge { 
      position: absolute; top: 0; right: 0; 
      background: var(--primary); color: #000; font-size: 11px; font-weight: 800; 
      padding: 6px 14px; border-bottom-left-radius: 16px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); 
    }

    /* --- PLANS (FULL ACCORDION) --- */
    .plans-scroll { display: flex; overflow-x: auto; gap: 25px; padding: 20px 0 50px; scroll-snap-type: x mandatory; }
    .plan-card { 
      min-width: 340px; flex-shrink: 0; scroll-snap-align: center; 
      background: rgba(10, 20, 35, 0.65); backdrop-filter: blur(30px);
      border: 1px solid var(--glass-border); border-radius: 24px; overflow: hidden; 
      position: relative; transition: 0.3s; display: flex; flex-direction: column; 
    }
    .plan-card.featured { border-color: var(--primary); background: linear-gradient(180deg, rgba(84,255,180,0.08), rgba(20,30,45,0.85)); transform: scale(1.02); z-index: 5; box-shadow: 0 0 60px rgba(0,0,0,0.5); }
    
    .tag-top { position: absolute; top: 0; right: 0; background: var(--primary); color: #000; font-size: 11px; font-weight: 800; padding: 6px 14px; border-bottom-left-radius: 16px; }
    .p-head { padding: 30px; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .p-name { font-size: 28px; font-weight: 800; margin-bottom: 10px; color: #fff; }
    .p-price { font-size: 48px; font-weight: 900; line-height: 1; color: #fff; display: flex; align-items: baseline; gap: 8px; }
    .p-price span { font-size: 16px; font-weight: 400; color: var(--muted); }
    .p-old { text-decoration: line-through; color: rgba(255,255,255,0.3); font-size: 16px; }
    .p-body { padding: 30px; flex-grow: 1; }
    
    .feature-list { list-style: none; padding: 0; margin: 0; }
    .feature-list li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--muted); align-items: flex-start; line-height: 1.5; }
    .feature-list li svg { width: 18px; height: 18px; color: var(--primary); flex-shrink: 0; margin-top: 3px; }
    .feature-list li strong { color: #fff; font-weight: 600; }
    
    .toggle-details-btn { background: none; border: 1px solid rgba(255,255,255,0.1); color: var(--accent); font-size: 13px; font-weight: 700; cursor: pointer; margin-top: 20px; width: 100%; text-align: center; padding: 12px; border-radius: 10px; transition: 0.2s; }
    .toggle-details-btn:hover { background: rgba(80,240,255,0.1); border-color: var(--accent); }
    .more-details { max-height: 0; overflow: hidden; transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1); border-top: 1px solid rgba(255,255,255,0.05); margin-top: 15px; }
    .more-details.open { max-height: 1200px; }
    .detail-item { font-size: 13px; color: var(--muted); padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.03); display: flex; justify-content: space-between; }
    .detail-item span:last-child { color: #fff; text-align: right; max-width: 55%; font-weight: 700; }

    /* --- RECYCLE INTERACTIVE --- */
    .recycle-wrap { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; margin-top:40px; }
    .r-calc-box {
      background: rgba(0,0,0,0.3); border: 1px solid var(--primary);
      padding: 30px; border-radius: 20px; text-align: center;
    }
    .r-input { width: 100%; background: rgba(255,255,255,0.1); border: 1px solid var(--glass-border); padding: 10px; color: #fff; border-radius: 8px; margin: 10px 0; font-size: 16px; text-align: center; }
    .bonus-display { font-size: 32px; color: var(--primary); font-weight: 800; margin: 10px 0; text-shadow: 0 0 20px rgba(84,255,180,0.4); }

    /* --- INVESTORS (GOLD) --- */
    .gold-section {
      background: linear-gradient(135deg, rgba(251,191,36,0.05), rgba(0,0,0,0.6));
      border: 1px solid rgba(251,191,36,0.3); border-radius: 32px; padding: 50px;
      text-align: center; margin-top: 80px; position: relative;
    }
    .gold-section::before { content:''; position: absolute; inset:0; background: radial-gradient(circle at center, rgba(251,191,36,0.1), transparent 70%); pointer-events: none; }
    .gold-section h2 { color: var(--gold); margin-top: 0; text-shadow: 0 0 20px rgba(251,191,36,0.3); }

    /* --- FAQ --- */
    .faq-grid { max-width: 800px; margin: 0 auto; display: grid; gap: 15px; }
    .faq-item { background: rgba(255,255,255,0.02); border: 1px solid var(--glass-border); border-radius: 12px; overflow: hidden; transition: 0.3s; }
    .faq-item:hover { border-color: rgba(255,255,255,0.2); }
    .faq-q { padding: 20px; cursor: pointer; font-weight: 700; display: flex; justify-content: space-between; font-size: 15px; }
    .faq-a { padding: 0 20px 20px; display: none; color: var(--muted); font-size: 14px; line-height: 1.6; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 15px; }
    .faq-item.open .faq-a { display: block; }
    .faq-item.open .faq-q { color: var(--primary); }

    /* --- FOOTER --- */
    footer { background: #010203; padding: 80px 0 140px; border-top: 1px solid var(--glass-border); font-size: 14px; color: var(--muted); margin-top: 100px; }
    .f-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
    .f-links a { display: block; margin-bottom: 8px; color: var(--muted); text-decoration: none; transition: 0.2s; }
    .f-links a:hover { color: var(--primary); }

    /* --- MOBILE NAV (FIXED) --- */
    .app-nav { position: fixed; bottom: 0; left: 0; width: 100%; height: 75px; background: rgba(10, 15, 25, 0.98); backdrop-filter: blur(20px); border-top: 1px solid var(--glass-border); display: flex; justify-content: space-around; align-items: center; z-index: 9999; padding-bottom: env(safe-area-inset-bottom); }
    .nav-item { display: flex; flex-direction: column; align-items: center; gap: 5px; color: var(--muted); font-size: 10px; text-decoration: none; font-weight: 600; width: 60px; text-align: center; }
    .nav-item.active { color: var(--primary); transform: translateY(-3px); }
    .nav-item svg { width: 22px; height: 22px; stroke-width: 2; }
    .cta-fab { background: var(--primary); color: #000; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 35px; box-shadow: 0 0 30px rgba(84,255,180,0.5); border: 5px solid var(--bg-void); position: relative; z-index: 10; animation: fabPulse 3s infinite; }
    @keyframes fabPulse { 0% { box-shadow: 0 0 0 0 rgba(84,255,180,0.4); } 70% { box-shadow: 0 0 0 20px rgba(84,255,180,0); } 100% { box-shadow: 0 0 0 0 rgba(84,255,180,0); } }

    @media (min-width: 1024px) {
      .plans-scroll { display: grid; grid-template-columns: repeat(3, 1fr); overflow: visible; gap: 30px; }
      .plan-card { min-width: auto; }
      .app-nav { display: none; } body { padding-bottom: 0; }
      .hero { align-items: center; }
      .compare-row { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 700px) { 
      .compare-row { flex-direction: column; } 
      .recycle-wrap { grid-template-columns: 1fr; }
    }

    /* Mobile fit: keep quick-priority cards inside the container */
    @media (max-width: 520px) {
      .needs-grid { gap: 10px; }
      .need-item { padding: 14px 12px; font-size: 13px; border-radius: 14px; line-height: 1.25; }
    }