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solid rgba(34,197,94,.2)}.submit-button{width:100%;padding:.85rem 1.5rem;font-size:.9375rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));border:none;border-radius:var(--radius-sm);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--shadow-sm)}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}.submit-button:disabled{opacity:.7;cursor:not-allowed}.submit-button.submitting{position:relative;color:transparent}.submit-button.submitting:after{content:"";position:absolute;left:50%;top:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:button-loading-spinner 1s linear infinite}@keyframes button-loading-spinner{0%{transform:rotate(0)}to{transform:rotate(1turn)}}input:-webkit-autofill,input:-webkit-autofill:hover,input:-webkit-autofill:focus,input:-webkit-autofill:active,textarea:-webkit-autofill,textarea:-webkit-autofill:hover,textarea:-webkit-autofill:focus,textarea:-webkit-autofill:active{-webkit-text-fill-color:var(--text-primary)!important;-webkit-box-shadow:0 0 0px 1000px var(--background-primary) inset!important;transition:background-color 5000s ease-in-out 0s}@media (max-width: 768px){.contact-grid{grid-template-columns:1fr}.contact-info,.contact-form{padding:1.25rem}}.footer{position:relative;z-index:1;background:var(--background-secondary);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-top:1px solid var(--surface-border);color:var(--text-primary);padding:4rem 2rem 2rem}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-bottom:3rem}.footer-section{display:flex;flex-direction:column;gap:1.5rem}.footer-title{font-size:1.25rem;color:var(--primary-color);margin-bottom:.5rem}.footer-description{color:var(--text-secondary);line-height:1.6}.footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:.75rem}.footer-link{color:var(--text-secondary);text-decoration:none;transition:color .3s ease;display:inline-block}.footer-link:hover{color:var(--primary-color);transform:translate(5px)}.social-links{display:flex;flex-direction:column;gap:1rem}.social-link{display:flex;align-items:center;gap:.75rem;color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.social-link:hover{color:var(--primary-color)}.social-icon{font-size:1.25rem}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--surface-border);color:var(--text-muted);font-size:.8125rem}@media (max-width: 768px){.footer{padding:3rem 1rem 1.5rem}.footer-content{grid-template-columns:1fr;gap:2rem}.footer-section{text-align:center}.social-links{align-items:center}}.back-to-top{position:fixed;right:1.25rem;bottom:1.25rem;z-index:999;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--surface-border);border-radius:var(--radius-full);background:var(--background-secondary);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));color:var(--primary-color);box-shadow:var(--shadow-md);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;animation:fadeInUp .3s ease}.back-to-top:hover{transform:translateY(-3px);border-color:var(--primary-color);box-shadow:var(--shadow-lg)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.back-to-top{right:1rem;bottom:1rem;width:40px;height:40px}}html{scroll-behavior:smooth}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-dark: #2563eb;--accent-color: #6366f1;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--background-primary: rgba(255, 255, 255, .88);--background-secondary: rgba(255, 255, 255, .94);--surface-border: rgba(148, 163, 184, .22);--shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);--shadow-md: 0 8px 30px rgba(59, 130, 246, .1);--shadow-lg: 0 16px 48px rgba(15, 23, 42, .1);--glass-blur: 14px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--nav-height: 72px}:root[data-theme=dark]{--primary-color: #60a5fa;--primary-dark: #3b82f6;--accent-color: #818cf8;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--background-primary: rgba(15, 23, 42, .88);--background-secondary: rgba(30, 41, 59, .88);--surface-border: rgba(148, 163, 184, .14);--shadow-sm: 0 2px 12px rgba(0, 0, 0, .2);--shadow-md: 0 8px 32px rgba(0, 0, 0, .35);--shadow-lg: 0 20px 50px rgba(0, 0, 0, .45);--glass-blur: 16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;color:var(--text-primary);background-color:transparent}.app{position:relative;min-height:100vh;transition:color .3s ease}.main-content{position:relative;z-index:1;padding-top:var(--nav-height)}section{min-height:100vh;scroll-margin-top:var(--nav-height)}#home{min-height:100vh;overflow:visible}.container{max-width:1140px;margin:0 auto;padding:0 1.5rem}.glass-card{background:var(--background-secondary);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.glass-card:hover{border-color:#6366f147}.section-surface{background:var(--background-primary)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));border:none;border-radius:var(--radius-sm);text-decoration:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;color:var(--text-primary);background:var(--background-secondary);border:1px solid var(--surface-border);border-radius:var(--radius-sm);text-decoration:none;cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.btn-outline:hover{transform:translateY(-2px);border-color:var(--primary-color);box-shadow:var(--shadow-sm)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background-secondary)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}::selection{background-color:var(--primary-color);color:#fff}Shared section layout :scope typography .section-block{padding:7rem 1.5rem}.section-inner{max-width:1140px;margin:0 auto}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:clamp(2rem,5vw,2.75rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-14px;left:50%;transform:translate(-50%);width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.section-subtitle{margin-top:2rem;font-size:1.05rem;color:var(--text-secondary);max-width:540px;margin-left:auto;margin-right:auto;line-height:1.65}@media (max-width: 768px){.section-block{padding:5rem 1.25rem}.section-header{margin-bottom:3rem}}