.stm-page{min-height:100vh;background:linear-gradient(135deg,rgba(120,113,108,.12),transparent 30%),linear-gradient(180deg,#f5f5f4,#eceae8);padding:12px 20px 48px}.stm-app{max-width:1280px;margin:0 auto;display:grid;gap:16px}.stm-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:stretch;margin-bottom:4px}.stm-hero>div:first-child{padding:24px;border:1px solid #e2e8f0;background:#fff;border-radius:24px;box-shadow:0 18px 45px #0f172a0f}.stm-hero h1{margin:0 0 8px;font-size:clamp(2rem,6vw,4rem);letter-spacing:-.06em}.stm-hero p{max-width:680px;margin:0;color:#475569;font-size:1.05rem}.stm-eyebrow{margin:0 0 8px;color:#64748b;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.stm-price-card{min-width:240px;padding:22px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#ecfdf5,#fffbeb);border:1px solid #e2e8f0;border-radius:24px;box-shadow:0 18px 45px #0f172a0f}.stm-price-card span,.stm-price-card small{color:#64748b;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.stm-price-card strong{font-size:1.8rem;color:#166534}.stm-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px;position:sticky;top:8px;z-index:4}.stm-steps button{border:1px solid #e2e8f0;border-radius:16px;background:#fff;color:#334155;font-weight:800;cursor:pointer;padding:10px;display:flex;align-items:center;justify-content:center;gap:8px;font:inherit}.stm-steps button span{width:24px;height:24px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#f1f5f9;font-size:.85rem}.stm-steps button.active{background:#f97316;border-color:#f97316;color:#fff}.stm-steps button.active span{background:#ffffff40;color:#fff}.stm-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);gap:16px;align-items:start}.stm-panel,.stm-preview-card{border:1px solid #e2e8f0;background:#fff;border-radius:24px;box-shadow:0 18px 45px #0f172a0f;padding:18px}.stm-section h2{margin:0 0 16px;font-size:1.5rem}.stm-section h3{margin:0 0 12px;font-size:1.1rem;color:#475569}.stm-number-control{display:block;padding:14px;border:1px solid #e2e8f0;border-radius:16px;margin-bottom:10px;background:#fff}.stm-number-control span{display:block;color:#64748b;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}.stm-number-control strong{display:block;margin:4px 0 8px;font-size:1.5rem;color:#0f172a}.stm-number-control input{width:100%;accent-color:#f97316}.stm-select{display:block;padding:14px;border:1px solid #e2e8f0;border-radius:16px;margin-bottom:10px;background:#fff}.stm-select span{display:block;color:#64748b;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.stm-select select{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;font-size:1rem;color:#0f172a}.stm-toggle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:10px}.stm-toggle-control{display:flex;align-items:center;gap:10px;padding:14px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;cursor:pointer}.stm-toggle-control input{width:20px;height:20px;accent-color:#f97316;flex-shrink:0}.stm-toggle-control span{color:#334155;font-size:.9rem;font-weight:600}.stm-summary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}.stm-metric{border:1px solid #e2e8f0;border-radius:16px;padding:12px;background:#fff}.stm-metric span{color:#64748b;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.stm-metric strong{display:block;margin-top:4px;font-size:1.15rem;color:#0f172a}.stm-shopping-card{border:1px solid #e2e8f0;border-radius:18px;padding:14px;margin-bottom:12px;background:#fff}.stm-shopping-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.stm-shopping-header h3{margin:0 0 4px;font-size:1.1rem}.stm-shopping-header p{margin:0;color:#64748b;font-size:.82rem}.stm-shopping-header strong{color:#166534;font-size:1.1rem;white-space:nowrap}.stm-shopping-list{display:grid;gap:8px}.stm-shopping-line{display:flex;justify-content:space-between;gap:14px;align-items:start;padding:12px;border:1px solid #e2e8f0;border-radius:14px;background:#fff}.stm-line-info strong{display:block;color:#0f172a;font-size:.95rem}.stm-line-info span{color:#64748b;font-size:.82rem}.stm-line-price{color:#166534;font-weight:700;font-size:.95rem;white-space:nowrap}.stm-action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}.stm-action-grid button{padding:13px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;color:#334155;font-weight:800;cursor:pointer;font:inherit}.stm-primary{background:#16a34a!important;border-color:#16a34a!important;color:#fff!important}.stm-preview-card{position:sticky;top:72px}.stm-preview-header h3{margin:0 0 4px;font-size:1.1rem}.stm-preview-header p{margin:0 0 12px;color:#64748b;font-size:.82rem}.stm-preview-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}@media (max-width: 860px){.stm-app{width:min(100vw - 16px,680px);padding-top:12px}.stm-hero,.stm-layout{grid-template-columns:1fr}.stm-price-card,.stm-preview-card{min-width:0;position:static}.stm-hero>div:first-child{padding:18px}.stm-steps button{font-size:.85rem;flex-direction:column;gap:4px}.stm-toggle-grid,.stm-summary-grid,.stm-preview-stats{grid-template-columns:1fr}}