:root{--modern-primary:linear-gradient(135deg,#667eea,#764ba2);--modern-secondary:linear-gradient(135deg,#f093fb,#f5576c);--modern-accent:linear-gradient(135deg,#4facfe,#00f2fe);--modern-glass:rgba(255,255,255,0.1);--modern-glass-dark:rgba(0,0,0,0.1);--modern-shadow:0 8px 32px rgba(31,38,135,0.37);--modern-shadow-hover:0 15px 35px rgba(31,38,135,0.5);--modern-border:rgba(255,255,255,0.18);--modern-radius:16px;--modern-transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}.glass{background:var(--modern-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--modern-border);box-shadow:var(--modern-shadow);transition:var(--modern-transition)}.glass:hover{box-shadow:var(--modern-shadow-hover);transform:translateY(-2px)}.dark .glass{background:var(--modern-glass-dark);border:1px solid rgba(255,255,255,.1)}.card-elevated{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--modern-radius);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06),0 20px 25px -5px rgba(0,0,0,.1);transition:var(--modern-transition);border:1px solid rgba(255,255,255,.2)}.card-elevated:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05),0 25px 50px -12px rgba(0,0,0,.25)}.dark .card-elevated{background:rgba(31,41,55,.95);border:1px solid rgba(255,255,255,.1)}.gradient-primary{background:var(--modern-primary);color:white}.gradient-secondary{background:var(--modern-secondary);color:white}.gradient-accent{background:var(--modern-accent);color:white}.container-fluid{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}@media (min-width:640px){.container-fluid{padding:0 1.5rem}}@media (min-width:1024px){.container-fluid{padding:0 2rem}}.section-padding{padding:4rem 0}@media (min-width:768px){.section-padding{padding:6rem 0}}@media (min-width:1024px){.section-padding{padding:8rem 0}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;font-size:.875rem;line-height:1.25rem;transition:var(--modern-transition);border:none;cursor:pointer;text-decoration:none;gap:.5rem}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--modern-shadow-hover)}.btn-primary:active{transform:translateY(0)}.shadow-professional{box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06),0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04)}.heading-xl{font-size:2.25rem;line-height:2.5rem;font-weight:800;letter-spacing:-.025em}.heading-lg{font-size:1.875rem;line-height:2.25rem;font-weight:700;letter-spacing:-.025em}.text-muted{opacity:.8}.gradient-text{background:var(--modern-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{0%,to{box-shadow:0 0 20px rgba(102,126,234,.3)}50%{box-shadow:0 0 30px rgba(102,126,234,.6)}}.animate-float{animation:float 3s ease-in-out infinite}.animate-glow{animation:glow 2s ease-in-out infinite}@media (max-width:640px){.card-elevated,.glass{margin:0 .5rem;border-radius:12px}.section-padding{padding:2rem 0}.heading-xl{font-size:1.875rem;line-height:2.25rem}.heading-lg{font-size:1.5rem;line-height:2rem}}.card-elevated:focus-within,.glass:focus-within{outline:2px solid rgba(102,126,234,.5);outline-offset:2px}.btn-primary,.card-elevated,.glass{will-change:transform}@media (prefers-reduced-motion:reduce){.btn-primary,.card-elevated,.glass{transition:none}.animate-float,.animate-glow{animation:none}}.macos-btn-chat{background:linear-gradient(135deg,#007AFF,#0056CC);color:white;padding:14px 24px;border-radius:16px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .3s cubic-bezier(.25,.46,.45,.94);display:inline-flex;align-items:center;gap:10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;box-shadow:0 4px 20px rgba(0,122,255,.3),0 2px 8px rgba(0,0,0,.1);position:relative;overflow:hidden;text-decoration:none;border:2px solid transparent}.macos-btn-chat:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.macos-btn-chat:hover{background:linear-gradient(135deg,#0056CC,#003D99);transform:translateY(-2px) scale(1.02);box-shadow:0 8px 30px rgba(0,122,255,.4),0 4px 16px rgba(0,0,0,.15);border-color:rgba(255,255,255,.2)}.macos-btn-chat:hover:before{left:100%}.macos-btn-chat:active{transform:translateY(-1px) scale(1.01);box-shadow:0 4px 20px rgba(0,122,255,.3),0 2px 8px rgba(0,0,0,.1)}.macos-btn-chat:disabled{background:linear-gradient(135deg,#8E8E93,#6D6D70);cursor:not-allowed;transform:none;box-shadow:0 2px 8px rgba(0,0,0,.1);opacity:.6}.macos-btn-chat:disabled:before{display:none}.macos-btn-photo{background:linear-gradient(135deg,#007AFF,#0056CC);color:white;padding:8px 16px;border-radius:12px;font-weight:500;font-size:.75rem;cursor:pointer;transition:all .3s cubic-bezier(.25,.46,.45,.94);display:inline-flex;align-items:center;gap:6px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;box-shadow:0 2px 12px rgba(0,122,255,.25),0 1px 4px rgba(0,0,0,.1);position:relative;overflow:hidden;text-decoration:none;border:1px solid transparent}.macos-btn-photo:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .4s}.macos-btn-photo:hover{background:linear-gradient(135deg,#0056CC,#003D99);transform:translateY(-1px) scale(1.05);box-shadow:0 4px 20px rgba(0,122,255,.35),0 2px 8px rgba(0,0,0,.15);border-color:rgba(255,255,255,.2)}.macos-btn-photo:hover:before{left:100%}.macos-btn-photo:active{transform:translateY(0) scale(1.02);box-shadow:0 2px 12px rgba(0,122,255,.25),0 1px 4px rgba(0,0,0,.1)}.macos-btn-photo:disabled{background:linear-gradient(135deg,#C7C7CC,#8E8E93);cursor:not-allowed;transform:none;box-shadow:0 1px 4px rgba(0,0,0,.1)}@keyframes iconBounce{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@keyframes iconRotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes iconPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}@keyframes buttonGlow{0%,to{box-shadow:0 4px 20px rgba(0,122,255,.3),0 2px 8px rgba(0,0,0,.1)}50%{box-shadow:0 4px 25px rgba(0,122,255,.5),0 2px 10px rgba(0,0,0,.15)}}.icon-bounce{animation:iconBounce .6s ease-in-out}.icon-rotate{animation:iconRotate 1s linear infinite}.icon-pulse{animation:iconPulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes subtlePulse{0%,to{box-shadow:0 4px 20px rgba(0,122,255,.3),0 2px 8px rgba(0,0,0,.1);transform:scale(1)}50%{box-shadow:0 4px 25px rgba(0,122,255,.5),0 2px 10px rgba(0,0,0,.15);transform:scale(1.02)}}.animate-subtle-pulse{animation:subtlePulse 3s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200%}to{background-position:200%}}.macos-btn-chat.shimmer,.macos-btn-photo.shimmer{background-size:200% 100%;animation:shimmer 2s infinite}.macos-btn-chat{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}@media (max-width:640px){.macos-btn-chat{padding:12px 20px;font-size:.85rem;border-radius:14px;position:fixed!important;bottom:16px!important;right:16px!important;z-index:9999!important;transform:translateZ(0);will-change:transform}.macos-btn-photo{padding:6px 12px;font-size:.7rem;border-radius:10px}}.macos-btn-chat{-webkit-transform:translateZ(0);backface-visibility:hidden;perspective:1000}@media (max-width:768px){.macos-btn-chat{transition:all .3s cubic-bezier(.25,.46,.45,.94)}.macos-btn-chat:hover{transform:translateY(-2px) scale(1.05) translateZ(0)}.macos-btn-chat:active{transform:translateY(-1px) scale(1.02) translateZ(0)}}@media (max-width:640px){.macos-btn-chat:hover{transform:translateY(-2px) scale(1.05)}.macos-btn-chat:active{transform:translateY(0) scale(.98)}}.macos-btn-chat{position:fixed!important;z-index:9999!important}