@import "https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&display=swap";:root{--navy:#0a0f18;--navy-mid:#0d1520;--navy-light:#1a2540;--steel:#1e3060;--accent:#ff6d00;--accent2:#ffd600;--text:#e8f0f8;--text-muted:#90a4ae;--border:#ff6d002e;--card-bg:#0d1520d9;--radius:12px}[data-theme=light]{--navy:#fff8f2;--navy-mid:#ffede0;--navy-light:#ffddc8;--steel:#ffbf99;--accent:#c84b00;--accent2:#b06000;--text:#1a0800;--text-muted:#6d4c41;--border:#c84b0038;--card-bg:#ffffffe0}[data-theme=light] body{background:var(--navy)}[data-theme=light] .nav{background:#fff8f2f7}[data-theme=light] .stats-bar{background:#ffede0f2}[data-theme=light] .tooltip{background:#ffede0}[data-theme=light] .hero-title,[data-theme=light] .page-title,[data-theme=light] .section-title,[data-theme=light] .form-title h3,[data-theme=light] .app-card-title,[data-theme=light] .tooltip-title,[data-theme=light] .total-item:not(.primary) .total-value{color:var(--text)}[data-theme=light] .form-field input{background:#0000000a;border-color:#0000001a}[data-theme=light] .lang-select,[data-theme=light] .unit-toggle{background:#0000000d}[data-theme=light] .step{background:var(--navy-light);border-color:#0000001a}[data-theme=light] .step-line{background:#0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--navy);color:var(--text);min-height:100vh;font-family:Barlow,sans-serif;overflow-x:hidden}.app-root{min-height:100vh}.nav{z-index:100;border-bottom:1px solid var(--border);background:#0a0f18f7;justify-content:space-between;align-items:center;padding:12px 32px;display:flex;position:fixed;top:0;left:0;right:0}.nav-brand{align-items:center;gap:10px;display:flex}.brand-icon{font-size:22px}.brand-name{color:var(--accent);letter-spacing:2px;text-transform:uppercase;font-family:Barlow Condensed,sans-serif;font-size:22px;font-weight:800}.brand-tag{color:var(--text-muted);letter-spacing:1px;margin-left:4px;font-size:11px}.nav-controls{align-items:center;gap:12px;display:flex}.lang-select,.unit-toggle{border:1px solid var(--border);background:#ffffff0a;border-radius:8px;display:flex;overflow:hidden}.lang-btn,.unit-btn{color:var(--text-muted);cursor:pointer;letter-spacing:.5px;background:0 0;border:none;padding:6px 12px;font-family:Barlow,sans-serif;font-size:12px;font-weight:600;transition:all .2s}.lang-btn.active,.unit-btn.active{background:var(--accent);color:#000;font-weight:700}.landing{min-height:100vh}.hero{align-items:center;min-height:100vh;padding-top:80px;display:flex;position:relative;overflow:hidden}.hero-bg{pointer-events:none;position:absolute;inset:0}.hero-glow{border-radius:50%;position:absolute}.glow1{background:radial-gradient(circle,#ff6d0012 0%,#0000 70%);width:700px;height:700px;bottom:-300px;left:-150px}.glow2{background:radial-gradient(circle,#ffd6000a 0%,#0000 70%);width:500px;height:500px;top:-150px;right:-50px}.hero-content{z-index:2;flex:1;max-width:600px;padding:0 48px;position:relative}.hero-badge{border:1px solid var(--border);color:var(--accent);letter-spacing:1px;text-transform:uppercase;background:#ff6d0014;border-radius:100px;align-items:center;gap:8px;margin-bottom:28px;padding:6px 16px;font-size:12px;font-weight:600;display:inline-flex}.badge-dot{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.hero-title{letter-spacing:-1px;color:#fff;text-transform:uppercase;margin-bottom:12px;font-family:Barlow Condensed,sans-serif;font-size:clamp(52px,6vw,82px);font-weight:800;line-height:1}.hero-title .accent{-webkit-text-stroke:1.5px var(--accent);color:#0000}.hero-sub{color:var(--text-muted);max-width:460px;margin-bottom:40px;font-size:16px;line-height:1.7}.hero-btn{background:var(--accent);color:#000;border-radius:var(--radius);letter-spacing:1px;text-transform:uppercase;cursor:pointer;border:none;align-items:center;gap:14px;padding:16px 36px;font-family:Barlow Condensed,sans-serif;font-size:18px;font-weight:800;transition:all .25s;display:inline-flex}.hero-btn:hover{background:#ff8f00;transform:translateY(-2px)}.btn-spark{background:#00000026;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex}.hero-visual{opacity:.55;width:min(48%,480px);animation:8s ease-in-out infinite refineryFloat;position:absolute;bottom:40px;right:0}@keyframes refineryFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.stats-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#0d1520e6;padding:28px 48px}.stats-inner{text-align:center;grid-template-columns:repeat(4,1fr);gap:24px;max-width:900px;margin:0 auto;display:grid}.stat-val{color:var(--accent);font-family:Barlow Condensed,sans-serif;font-size:44px;font-weight:800;line-height:1;display:block}.stat-label{color:var(--text-muted);margin-top:4px;font-size:12px;font-weight:500;display:block}.app-preview{max-width:1100px;margin:0 auto;padding:64px 48px}.section-title{color:#fff;text-transform:uppercase;margin-bottom:8px;font-family:Barlow Condensed,sans-serif;font-size:32px;font-weight:700}.section-sub{color:var(--text-muted);margin-bottom:28px;font-size:14px}.preview-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.preview-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);text-align:center;cursor:default;padding:20px 14px;transition:all .25s}.preview-card:hover{border-color:var(--accent);background:#ff6d000f;transform:translateY(-3px)}.preview-icon{margin-bottom:8px;font-size:28px;display:block}.preview-label{color:var(--text-muted);font-size:12px;font-weight:600}.page-wrapper{min-height:100vh;padding-top:80px}.page-content{max-width:1100px;margin:0 auto;padding:40px 32px}.step-indicator{align-items:center;margin-bottom:36px;display:flex}.step{background:var(--navy-light);width:34px;height:34px;color:var(--text-muted);border:2px solid #ffffff14;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.step.active{background:var(--accent);border-color:var(--accent);color:#000}.step.done{color:#fff;background:#4caf50;border-color:#4caf50}.step-line{background:#ffffff14;flex:1;height:2px;margin:0 6px}.step-line.done{background:#4caf50}.page-title{color:#fff;text-transform:uppercase;letter-spacing:-.5px;margin-bottom:6px;font-family:Barlow Condensed,sans-serif;font-size:38px;font-weight:800}.page-sub{color:var(--text-muted);margin-bottom:28px;font-size:15px}.select-actions{align-items:center;gap:12px;margin-bottom:20px;display:flex}.text-btn{border:1px solid var(--border);color:var(--accent);cursor:pointer;background:0 0;border-radius:8px;padding:5px 14px;font-size:12px;font-weight:600;transition:all .2s}.text-btn:hover{background:#ff6d0014}.selected-count{color:var(--text-muted);margin-left:auto;font-size:13px}.app-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:36px;display:grid}.app-card{background:var(--card-bg);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:20px 16px;transition:all .2s;position:relative}.app-card:hover{border-color:#ff6d0080}.app-card.selected{border-color:var(--accent);background:#ff6d0012}.tooltip{border:1px solid var(--accent);z-index:200;pointer-events:none;background:#0d1520;border-radius:10px;width:250px;padding:14px;display:none;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%)}.app-card:hover .tooltip{display:block}.tooltip:after{content:"";border:7px solid #0000;border-top-color:var(--accent);position:absolute;top:100%;left:50%;transform:translate(-50%)}.tooltip-who{color:var(--accent);text-transform:uppercase;letter-spacing:.5px;background:#ff6d0026;border-radius:100px;margin-bottom:8px;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.tooltip-title{color:#fff;margin-bottom:6px;font-size:13px;font-weight:700}.tooltip-body{color:var(--text-muted);font-size:12px;line-height:1.5}.app-card-check{background:var(--accent);color:#000;opacity:0;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:800;transition:opacity .15s;display:flex;position:absolute;top:10px;right:10px}.app-card.selected .app-card-check{opacity:1}.app-card-icon{margin-bottom:10px;font-size:32px;display:block}.app-card-title{color:#fff;text-transform:uppercase;margin-bottom:4px;font-family:Barlow Condensed,sans-serif;font-size:16px;font-weight:700}.app-card-desc{color:var(--text-muted);font-size:12px;line-height:1.4}.calc-layout{grid-template-columns:220px 1fr;gap:20px;margin-bottom:36px;display:grid}.app-tabs{flex-direction:column;gap:6px;display:flex}.app-tab{background:var(--card-bg);border:1px solid var(--border);cursor:pointer;color:var(--text-muted);text-align:left;border-radius:8px;align-items:center;gap:10px;padding:11px 14px;transition:all .2s;display:flex}.app-tab:hover{color:var(--text);border-color:#ff6d0066}.app-tab.active{border-color:var(--accent);color:var(--accent);background:#ff6d0012}.tab-icon{flex-shrink:0;font-size:16px}.tab-label{font-size:12px;font-weight:600}.calc-form-panel{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.form-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;display:flex}.form-title{align-items:center;gap:10px;display:flex}.form-icon{font-size:24px}.form-title h3{text-transform:uppercase;color:#fff;font-family:Barlow Condensed,sans-serif;font-size:20px;font-weight:700}.avg-btn{color:var(--accent2);cursor:pointer;background:#ffd60012;border:1px solid #ffd60040;border-radius:8px;padding:7px 14px;font-size:12px;font-weight:600;transition:all .2s}.avg-btn:hover{background:#ffd60024}.form-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;display:grid}.form-field{flex-direction:column;gap:5px;display:flex}.form-field label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.form-field input{color:var(--text);background:#ffffff0a;border:1px solid #ffffff14;border-radius:8px;width:100%;padding:9px 12px;font-family:Barlow,sans-serif;font-size:14px;transition:border-color .2s}.form-field input:focus{border-color:var(--accent);outline:none}.field-hint{color:var(--text-muted);font-size:10px}.nav-buttons{justify-content:space-between;gap:14px;display:flex}.btn-primary{background:var(--accent);color:#000;border-radius:var(--radius);letter-spacing:.5px;text-transform:uppercase;cursor:pointer;border:none;padding:13px 32px;font-family:Barlow Condensed,sans-serif;font-size:17px;font-weight:800;transition:all .2s}.btn-primary:hover:not(:disabled){background:#ff8f00;transform:translateY(-1px)}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.btn-secondary{color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:13px 32px;font-family:Barlow Condensed,sans-serif;font-size:17px;font-weight:700;transition:all .2s}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.totals-banner{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:28px;display:grid}.total-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:20px 24px}.total-item.primary{border-color:var(--accent);background:linear-gradient(135deg,#ff6d0014,#ffd6000a)}.total-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:8px;font-size:11px;font-weight:600}.total-value{color:var(--accent);font-family:Barlow Condensed,sans-serif;font-size:38px;font-weight:800;line-height:1}.total-item:not(.primary) .total-value{color:#fff}.total-sub{color:var(--text-muted);margin-top:4px;font-size:12px}@media (width<=768px){.hero-visual{display:none}.hero-content{padding:0 24px}.stats-inner,.preview-grid{grid-template-columns:repeat(2,1fr)}.calc-layout{grid-template-columns:1fr}.app-tabs{flex-flow:wrap}.totals-banner{grid-template-columns:1fr}.nav{padding:12px 16px}.page-content{padding:24px 16px}}