*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f0f1a;--bg2:#1a1a2e;--bg3:#16213e;--card:#1c1c35;--card-hover:#222244;--text:#e0e0f0;--text-dim:#8888aa;--accent:#e94560;--accent2:#0f3460;--green:#2ed573;--yellow:#ffa502;--red:#ff4757;--radius:12px;--shadow:0 4px 24px rgba(0,0,0,.3)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
.site-header{background:var(--bg2);border-bottom:1px solid rgba(255,255,255,.06);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.logo:hover{text-decoration:none}
.logo-text{font-size:1.2rem;font-weight:700}
.logo-accent{color:var(--accent)}
.main-nav{display:flex;gap:24px}
.main-nav a{color:var(--text-dim);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}
.main-nav a:hover{color:var(--text);text-decoration:none}

/* Hero */
.hero{padding:80px 0 60px;text-align:center;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.15;margin-bottom:16px;background:linear-gradient(135deg,var(--text) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.15rem;color:var(--text-dim);max-width:640px;margin:0 auto 32px;line-height:1.7}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}
.stat{text-align:center}
.stat strong{display:block;font-size:1.8rem;font-weight:800;color:var(--accent)}
.stat span{font-size:.85rem;color:var(--text-dim)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:all .2s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#d63850}
.btn-secondary{background:var(--bg3);color:var(--text);border:1px solid rgba(255,255,255,.1)}
.btn-secondary:hover{background:var(--card)}
.btn-share{background:var(--bg3);color:var(--text);border:1px solid rgba(255,255,255,.1)}

/* Sections */
section{padding:64px 0}
section h2{font-size:1.8rem;font-weight:700;margin-bottom:12px}
.section-intro{color:var(--text-dim);max-width:680px;margin-bottom:32px;line-height:1.7}

/* Progress Bar */
.progress-bar{background:var(--bg3);border-radius:var(--radius);height:36px;position:relative;overflow:hidden;margin-bottom:32px;display:flex;align-items:center}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#ff6b81);border-radius:var(--radius);transition:width .4s ease;width:0%}
.progress-text{position:absolute;left:50%;transform:translateX(-50%);font-size:.85rem;font-weight:600;color:var(--text);z-index:1}

/* Stage Cards */
.stages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.stage-card{perspective:1000px;cursor:pointer;outline:none}
.stage-card:focus-visible .stage-card-inner{box-shadow:0 0 0 3px var(--accent)}
.stage-card-inner{position:relative;width:100%;min-height:280px;transition:transform .5s;transform-style:preserve-3d}
.stage-card.flipped .stage-card-inner{transform:rotateY(180deg)}
.stage-card-front,.stage-card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;justify-content:center}
.stage-card-front{background:var(--card);border:1px solid rgba(255,255,255,.06)}
.stage-card-front:hover{background:var(--card-hover)}
.stage-card-back{background:var(--bg3);border:1px solid var(--accent);transform:rotateY(180deg);overflow-y:auto;justify-content:flex-start}
.stage-number{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:.9rem;margin-bottom:16px}
.stage-card-front h3{font-size:1.15rem;margin-bottom:8px}
.stage-teaser{color:var(--text-dim);font-size:.95rem;flex-grow:1}
.flip-hint{font-size:.8rem;color:var(--accent);margin-top:12px;opacity:.7}
.stage-card-back h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--accent);margin-bottom:8px;margin-top:16px}
.stage-card-back h4:first-child{margin-top:0}
.stage-card-back p{font-size:.9rem;color:var(--text-dim);line-height:1.6;margin-bottom:4px}
.stage-card-back .script{background:rgba(233,69,96,.1);border-left:3px solid var(--accent);padding:12px;border-radius:0 8px 8px 0;color:var(--text);font-weight:500;margin-top:4px}

/* Calculator */
.calculator-section{background:var(--bg2)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.calc-form{display:flex;flex-direction:column;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:.9rem;font-weight:600;color:var(--text-dim)}
.form-group input,.form-group select{padding:12px 16px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);background:var(--bg);color:var(--text);font-size:1rem;outline:none;transition:border-color .2s}
.form-group input:focus,.form-group select:focus{border-color:var(--accent)}
.calc-results{background:var(--card);border-radius:var(--radius);padding:32px;min-height:200px;display:flex;flex-direction:column;justify-content:center}
.result-empty{color:var(--text-dim);text-align:center}
.result-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.result-row:last-child{border-bottom:none}
.result-label{color:var(--text-dim);font-size:.9rem}
.result-value{font-weight:700;font-size:1.1rem}
.result-value.good{color:var(--green)}
.result-value.warn{color:var(--yellow)}
.result-value.bad{color:var(--red)}
.result-highlight{background:rgba(233,69,96,.1);border-radius:var(--radius);padding:20px;margin-top:16px;text-align:center}
.result-highlight .big-number{font-size:2rem;font-weight:800;color:var(--accent)}
.result-highlight p{font-size:.85rem;color:var(--text-dim);margin-top:4px}
.calc-note{margin-top:24px;padding:16px;background:var(--bg3);border-radius:var(--radius);font-size:.9rem;color:var(--text-dim);line-height:1.6}
.calc-note strong{color:var(--text)}

/* Add-Ons Table */
.addons-table-wrap{overflow-x:auto}
.addons-table{width:100%;border-collapse:collapse;margin-bottom:20px}
.addons-table th{text-align:left;padding:14px 16px;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);border-bottom:2px solid rgba(255,255,255,.08)}
.addons-table td{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.04);font-size:.95rem}
.addons-table tr:hover td{background:rgba(255,255,255,.02)}
.verdict{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600}
.verdict.maybe{background:rgba(255,165,2,.15);color:var(--yellow)}
.verdict.no{background:rgba(255,71,87,.15);color:var(--red)}
.addons-note{color:var(--text-dim);font-size:.9rem;line-height:1.6}

/* Checklist */
.checklist-section{background:var(--bg2)}
.checklist-grid{display:grid;gap:12px}
.checklist-item{display:flex;align-items:flex-start;gap:14px;padding:16px 20px;background:var(--card);border-radius:var(--radius);cursor:pointer;transition:background .2s;border:1px solid rgba(255,255,255,.04)}
.checklist-item:hover{background:var(--card-hover)}
.checklist-item.checked{background:rgba(255,71,87,.1);border-color:rgba(255,71,87,.3)}
.checklist-cb{margin-top:3px;accent-color:var(--accent);width:18px;height:18px;flex-shrink:0}
.checklist-text{font-size:.95rem;line-height:1.5}
.checklist-item.checked .checklist-text{text-decoration:line-through;color:var(--text-dim)}
.checklist-result{margin-top:24px;padding:20px;border-radius:var(--radius);font-weight:600;text-align:center;display:none}

/* Cheat Sheet */
.cheatsheet-section{background:var(--bg2)}
.cheat-actions{display:flex;gap:12px;margin-bottom:24px}
.cheatsheet{background:#fff;color:#1a1a2e;border-radius:var(--radius);padding:32px;max-width:700px}
.cheatsheet h3{font-size:1.3rem;margin-bottom:20px;color:var(--accent2)}
.cs-stage{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #eee}
.cs-stage:last-of-type{border-bottom:none}
.cs-stage strong{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:#666;margin-bottom:4px}
.cs-stage p{font-size:1rem;font-weight:500}
.cs-reminder{margin-top:20px;padding:16px;background:#f0f4ff;border-radius:8px;font-size:.9rem}
.cs-reminder strong{color:var(--accent2)}

/* Edge Cases */
.edge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.edge-card{background:var(--card);border-radius:var(--radius);padding:28px;border:1px solid rgba(255,255,255,.06)}
.edge-card h3{font-size:1.1rem;margin-bottom:12px;color:var(--accent)}
.edge-card p{color:var(--text-dim);font-size:.95rem;line-height:1.7}

/* Share */
.share-section{text-align:center;background:var(--bg2)}
.share-section p{color:var(--text-dim);margin-bottom:20px}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid rgba(255,255,255,.06);padding:40px 0 24px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px;margin-bottom:24px}
.footer-brand p{color:var(--text-dim);font-size:.9rem;margin-top:8px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:var(--text-dim);font-size:.9rem;text-decoration:none}
.footer-links a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px}
.footer-bottom p{font-size:.8rem;color:var(--text-dim)}

/* Print */
@media print{body{background:#fff;color:#000}.site-header,.site-footer,.share-section,.hero-actions,.hero-stats,.cheat-actions,.progress-bar,.flip-hint{display:none!important}section{padding:20px 0}.cheatsheet{border:2px solid #000}.stage-card-inner{transform:none!important}.stage-card-back{transform:none!important;position:relative;margin-top:12px}.stage-card-front{display:none}}

/* Responsive */
@media(max-width:768px){.main-nav{display:none}.hero{padding:48px 0 40px}.hero h1{font-size:1.8rem}.calc-grid{grid-template-columns:1fr}.stages-grid{grid-template-columns:1fr}.stage-card-inner{min-height:240px}.hero-stats{gap:24px}.stat strong{font-size:1.4rem}}
@media(max-width:480px){.container{padding:0 16px}.btn{padding:10px 20px;font-size:.9rem}.cheatsheet{padding:20px}}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}