:root{--bg-primary:#faf8f5;--bg-secondary:#f0ede8;--bg-card:#fff;--text-primary:#1a1a1a;--text-secondary:#5c5852;--text-muted:#8a8379;--accent-gold:#c5a059;--accent-gold-hover:#aa853e;--accent-gold-light:#c5a05926;--border-color:#e2ddd5;--focus-ring:#c5a05966;--shadow-sm:0 2px 8px #1a1a1a0a;--shadow-md:0 8px 24px #1a1a1a0f;--shadow-lg:0 16px 40px #1a1a1a1a;--shadow-piano:0 15px 30px #00000026, 0 5px 15px #00000014;--font-serif:"Playfair Display", Georgia, serif;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast:all .15s ease;--border-radius-sm:4px;--border-radius-md:8px;--border-radius-lg:16px;--border-radius-pill:9999px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.dark-theme{--bg-primary:#111;--bg-secondary:#1a1a1a;--bg-card:#222;--text-primary:#faf8f5;--text-secondary:#c5c1ba;--text-muted:#8e8a83;--border-color:#2f2e2a;--shadow-sm:0 2px 8px #0003;--shadow-md:0 8px 24px #0000004d;--shadow-lg:0 16px 40px #0006;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;transition:background-color .3s,color .3s}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--border-radius-pill);border:2px solid var(--bg-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--accent-gold)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--text-primary);margin-bottom:1rem;font-weight:700;line-height:1.25}h1{letter-spacing:-.02em;font-size:3rem}h2{padding-bottom:.75rem;font-size:2.25rem;position:relative}h2.decorated:after{content:"";background-color:var(--accent-gold);border-radius:var(--border-radius-pill);width:60px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}h2.decorated-left:after{content:"";background-color:var(--accent-gold);border-radius:var(--border-radius-pill);width:60px;height:3px;position:absolute;bottom:0;left:0}p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:1.05rem}.lead{font-size:1.25rem;font-weight:300;line-height:1.7}a{color:var(--accent-gold);transition:var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-gold-hover)}.btn{letter-spacing:.03em;border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-smooth);text-align:center;font-size:.95rem;font-weight:600;font-family:var(--font-sans);border:2px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 28px;display:inline-flex}.btn-primary{background-color:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.btn-primary:hover{background-color:var(--accent-gold);border-color:var(--accent-gold);color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px #c5a0594d}.btn-secondary{color:var(--text-primary);border-color:var(--accent-gold);background-color:#0000}.btn-secondary:hover{background-color:var(--accent-gold-light);transform:translateY(-2px)}.btn-gold{color:#fff;background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);box-shadow:0 4px 15px #d4af3740}.btn-gold:hover{background:linear-gradient(135deg,#e5be48 0%,#c9971c 100%);transform:translateY(-2px);box-shadow:0 6px 20px #d4af3766}.btn-danger{color:#fff;background-color:#d32f2f}.btn-danger:hover{background-color:#b71c1c;transform:translateY(-2px)}.btn-sm{padding:8px 16px;font-size:.85rem}.navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;transition:var(--transition-smooth);background-color:#faf8f5d9;position:sticky;top:0}.dark-theme .navbar{background-color:#111111d9}.navbar-container{justify-content:space-between;align-items:center;height:80px;display:flex}.logo{font-family:var(--font-serif);color:var(--text-primary);cursor:pointer;align-items:center;gap:12px;font-size:1.5rem;font-weight:700;display:flex}.logo-keys{align-items:flex-start;gap:3px;height:24px;display:inline-flex}.logo-key-white{background-color:var(--text-primary);border-radius:0 0 2px 2px;width:6px;height:24px}.dark-theme .logo-key-white{background-color:var(--bg-primary)}.logo-key-black{background-color:var(--accent-gold);border-radius:0 0 1px 1px;width:4px;height:14px}.nav-links{align-items:center;gap:32px;list-style:none;display:flex}.nav-item{color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);padding:6px 0;font-size:.95rem;font-weight:500;position:relative}.nav-item:hover,.nav-item.active{color:var(--accent-gold)}.nav-item:after{content:"";background-color:var(--accent-gold);width:0;height:2px;transition:var(--transition-smooth);position:absolute;bottom:0;left:0}.nav-item:hover:after,.nav-item.active:after{width:100%}.hero{background:radial-gradient(circle at 80% 20%, var(--bg-secondary) 0%, var(--bg-primary) 70%);text-align:left;padding:80px 0 100px;position:relative;overflow:hidden}.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;display:grid}.hero-badge{background-color:var(--accent-gold-light);color:var(--accent-gold-hover);border-radius:var(--border-radius-pill);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;font-size:.85rem;font-weight:600;display:inline-flex}.hero h1{margin-bottom:24px;font-size:3.5rem}.hero-subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:1.25rem}.hero-ctas{gap:16px;display:flex}.hero-piano-wrapper{justify-content:center;align-items:center;height:380px;display:flex;position:relative}.hero-piano-keyboard{background-color:var(--text-primary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-piano);gap:2px;padding:16px;display:flex;position:relative}.piano-key-white{cursor:pointer;background:linear-gradient(#fff 0%,#f3f3f3 100%);border-radius:0 0 6px 6px;width:44px;height:240px;transition:height .15s,background .15s;position:relative;box-shadow:0 4px 6px #0000001a}.piano-key-white:hover{background:linear-gradient(#fff 0%,#e0e0e0 100%);height:238px;transform:translateY(2px)}.piano-key-black{z-index:2;cursor:pointer;background:linear-gradient(#111 0%,#333 100%);border-radius:0 0 4px 4px;width:26px;height:150px;margin-left:-14px;margin-right:-12px;transition:height .15s,background .15s;box-shadow:0 4px 8px #0000004d}.piano-key-black:hover{background:linear-gradient(#000 0%,#222 100%);height:148px}.section-padding{padding:80px 0}.grid-3{grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px;display:grid}.grid-2{grid-template-columns:repeat(2,1fr);gap:32px;margin-top:48px;display:grid}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition-smooth);padding:40px;position:relative;overflow:hidden}.card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-gold);transform:translateY(-8px)}.card-icon{background-color:var(--accent-gold-light);border-radius:var(--border-radius-md);width:60px;height:60px;color:var(--accent-gold);justify-content:center;align-items:center;margin-bottom:24px;display:flex}.program-item{align-items:flex-start;gap:24px;margin-bottom:32px;display:flex}.program-marker{border-radius:var(--border-radius-pill);background-color:var(--text-primary);width:32px;min-width:32px;height:32px;color:var(--bg-primary);font-weight:700;font-family:var(--font-serif);justify-content:center;align-items:center;display:flex}.reviews-grid{margin-top:48px}.review-card{border-left:4px solid var(--accent-gold);background-color:var(--bg-card);border-radius:0 var(--border-radius-lg) var(--border-radius-lg) 0;box-shadow:var(--shadow-sm);padding:32px}.review-stars{color:var(--accent-gold);gap:4px;margin-bottom:16px;display:flex}.review-author{color:var(--text-primary);margin-top:16px;font-size:.95rem;font-weight:600}.auth-wrapper{justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:40px 24px;display:flex}.auth-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);width:100%;max-width:480px;box-shadow:var(--shadow-lg);padding:48px}.auth-header{text-align:center;margin-bottom:32px}.form-group{text-align:left;margin-bottom:24px}.form-label{color:var(--text-primary);margin-bottom:8px;font-size:.9rem;font-weight:600;display:block}.form-control{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);width:100%;color:var(--text-primary);transition:var(--transition-fast);font-size:1rem;font-family:var(--font-sans);outline:none;padding:12px 16px}.form-control:focus{border-color:var(--accent-gold);box-shadow:0 0 0 3px var(--focus-ring)}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-footer{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:.95rem}.auth-tabs{border-bottom:1px solid var(--border-color);margin-bottom:32px;display:flex}.auth-tab{text-align:center;cursor:pointer;color:var(--text-muted);transition:var(--transition-fast);border-bottom:2px solid #0000;flex:1;padding:12px 0;font-weight:600}.auth-tab.active{color:var(--accent-gold);border-bottom-color:var(--accent-gold)}.dashboard-layout{grid-template-columns:280px 1fr;min-height:calc(100vh - 80px);display:grid}.dashboard-sidebar{background-color:var(--bg-secondary);border-right:1px solid var(--border-color);flex-direction:column;justify-content:space-between;padding:32px 24px;display:flex}.sidebar-menu{flex-direction:column;gap:8px;list-style:none;display:flex}.sidebar-link{color:var(--text-secondary);border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-fast);align-items:center;gap:12px;padding:12px 16px;font-weight:500;display:flex}.sidebar-link:hover,.sidebar-link.active{background-color:var(--accent-gold-light);color:var(--accent-gold-hover)}.dashboard-content{background-color:var(--bg-primary);text-align:left;padding:40px 48px;overflow-y:auto}.dashboard-header-panel{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:40px;padding-bottom:20px;display:flex}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-bottom:32px;display:grid}.stat-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius-md);box-shadow:var(--shadow-sm);align-items:center;gap:16px;padding:24px;display:flex}.stat-icon{background-color:var(--accent-gold-light);width:48px;height:48px;color:var(--accent-gold);border-radius:var(--border-radius-md);justify-content:center;align-items:center;display:flex}.stat-value{font-size:1.5rem;font-weight:700;font-family:var(--font-serif)}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}.calendar-slots{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:16px;display:grid}.slot-btn{border:1px solid var(--border-color);border-radius:var(--border-radius-md);background-color:var(--bg-card);cursor:pointer;text-align:center;transition:var(--transition-fast);padding:12px;font-weight:500}.slot-btn:hover{border-color:var(--accent-gold);background-color:var(--accent-gold-light);color:var(--accent-gold-hover)}.slot-btn.selected{background-color:var(--accent-gold);border-color:var(--accent-gold);color:#fff}.slot-btn.disabled{background-color:var(--bg-secondary);color:var(--text-muted);cursor:not-allowed;border-color:var(--border-color)}.stripe-form-wrapper{background-color:var(--bg-secondary);border-radius:var(--border-radius-md);border:1px solid var(--border-color);margin-top:16px;padding:24px}.payment-history-table{border-collapse:collapse;width:100%;margin-top:16px}.payment-history-table th,.payment-history-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:12px 16px}.payment-history-table th{color:var(--text-muted);text-transform:uppercase;font-size:.85rem;font-weight:600}.badge{border-radius:var(--border-radius-pill);padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.badge-success{color:#2e7d32;background-color:#e8f5e9}.badge-pending{color:#f57f17;background-color:#fff8e1}.badge-danger{color:#c62828;background-color:#ffebee}.badge-missed{color:#1565c0;background-color:#e3f2fd}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#1a1a1a80;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-container{background-color:var(--bg-card);border-radius:var(--border-radius-lg);width:100%;max-width:560px;box-shadow:var(--shadow-lg);max-height:90vh;padding:40px;position:relative;overflow-y:auto}.modal-close{cursor:pointer;color:var(--text-muted);transition:var(--transition-fast);position:absolute;top:24px;right:24px}.modal-close:hover{color:var(--text-primary)}.footer{background-color:var(--text-primary);color:var(--bg-secondary);text-align:left;border-top:1px solid var(--border-color);padding:60px 0}.footer h3{color:#fff}.footer p{color:var(--text-muted)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:48px;display:grid}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--accent-gold)}.footer-bottom{color:var(--text-muted);border-top:1px solid #ffffff1a;justify-content:space-between;align-items:center;margin-top:48px;padding-top:24px;font-size:.9rem;display:flex}.footer-bottom a{color:var(--text-muted);text-decoration:underline;transition:color .2s}.footer-bottom a:hover{color:var(--accent-gold)}@media (width<=968px){.hero-grid{text-align:center;grid-template-columns:1fr}.hero{background:var(--bg-primary);padding:60px 0}.hero-ctas{justify-content:center}.hero-piano-wrapper{height:300px}.dashboard-layout{grid-template-columns:1fr}.dashboard-sidebar{border-right:none;border-bottom:1px solid var(--border-color);padding:16px 24px}.sidebar-menu{flex-direction:row;padding-bottom:8px;overflow-x:auto}.sidebar-link{white-space:nowrap}.dashboard-content{padding:24px}.grid-3,.grid-2{grid-template-columns:1fr;gap:24px}.footer-grid{grid-template-columns:1fr;gap:32px}}.mobile-menu-toggle{color:var(--text-primary);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;justify-content:center;align-items:center;padding:8px;display:none}.mobile-menu-toggle:hover{color:var(--accent-gold)}@media (width<=768px){.mobile-menu-toggle{display:flex}.nav-links{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);z-index:99;flex-direction:column;gap:20px;width:100%;padding:24px 32px;display:none;position:absolute;top:80px;left:0;box-shadow:0 8px 24px #0000000f}.dark-theme .nav-links{background-color:var(--bg-secondary)}.nav-links.mobile-open{display:flex}.nav-links li{text-align:center;width:100%}.nav-links li button{justify-content:center;width:100%;padding:12px 24px}.nav-item{padding:10px 0;font-size:1.05rem;display:block}.footer-bottom{text-align:center;flex-direction:column;gap:12px}}.calendar-days-grid{background-color:var(--border-color);gap:1px!important}.calendar-cell{background-color:var(--bg-secondary);cursor:pointer;min-height:100px;transition:var(--transition-fast);text-align:left;flex-direction:column;justify-content:flex-start;padding:8px;display:flex;position:relative}.calendar-cell:hover{background-color:#ffffff0d}.calendar-cell.padding{opacity:.35}.calendar-cell.today{box-shadow:inset 0 0 0 1px var(--accent-gold)}.calendar-cell.selected{box-shadow:inset 0 0 0 2px var(--accent-gold);background-color:#d4af3714}.calendar-cell.blocked{border-left:3px solid var(--accent-gold);background-image:repeating-linear-gradient(45deg,#d4af3708,#d4af3708 10px,#d4af3714 10px 20px)}.calendar-day-num-wrapper{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.calendar-day-num{color:var(--text-primary);font-size:.9rem;font-weight:600}.today-dot{background-color:var(--accent-gold);border-radius:50%;width:6px;height:6px;display:inline-block}.calendar-cell-lessons{flex-direction:column;gap:4px;margin-top:4px;display:flex}.calendar-cell-badge{background-color:var(--accent-gold-light);color:var(--accent-gold-hover);white-space:nowrap;text-overflow:ellipsis;border-radius:4px;max-width:100%;padding:2px 6px;font-size:.75rem;font-weight:600;overflow:hidden}.calendar-cell-dots{flex-wrap:wrap;justify-content:flex-start;gap:2px;margin-top:4px;display:none}.calendar-cell-dot{background-color:var(--accent-gold);border-radius:50%;width:6px;height:6px}.calendar-cell-dot-blocked{background-color:#d32f2f;border-radius:50%;width:6px;height:6px}.mobile-dashboard-header{display:none}@media (width<=768px){.mobile-dashboard-header{display:flex!important}.dashboard-layout{grid-template-columns:1fr;padding-top:0}.dashboard-content{padding:24px 16px}.dashboard-header-panel{flex-direction:column;align-items:flex-start;gap:16px}.dashboard-sidebar{z-index:1000;border-right:1px solid var(--border-color);border-bottom:none;flex-direction:column;justify-content:flex-start;gap:24px;width:280px;height:calc(100vh - 57px);padding:24px;transition:left .3s ease-in-out;position:fixed;top:57px;left:-100%;box-shadow:4px 0 15px #0003}.dashboard-sidebar.mobile-open{left:0}.dashboard-sidebar .logo{display:none}.sidebar-menu{flex-direction:column!important;gap:8px!important;padding-bottom:0!important;overflow-x:visible!important}.calendar-cell{min-height:55px;padding:4px}.calendar-cell-lessons{display:none}.calendar-cell-dots{display:flex}.calendar-day-num{font-size:.8rem}.calendar-weekdays-grid{font-size:.75rem}}.trial-cell-hover:hover{box-shadow:inset 0 0 0 1px var(--accent-gold);background-color:var(--accent-gold-light)!important}