:root{--bg-primary: #fafafa;--bg-secondary: #ffffff;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--accent-primary: #484b6a;--accent-secondary: #d1dfde;--danger: #dc3545;--success: #28a745;--warning: #ffc107;--border-color: #dee2e6;--card-shadow: 0 4px 6px rgba(0, 0, 0, .1)}:root[data-theme=dark]{--bg-primary: #121212;--bg-secondary: #1e1e1e;--bg-tertiary: #2d2d2d;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--accent-primary: #484b6a;--accent-secondary: #afbcc1;--danger: #ff6b6b;--success: #51cf66;--warning: #fcc419;--border-color: #3a3a3a;--card-shadow: 0 4px 6px rgba(0, 0, 0, .3)}.theme-switcher{position:fixed;bottom:20px;left:20px;z-index:1000;background-color:var(--accent-primary);color:#fff;border:none;border-radius:50%;width:50px;height:50px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px #0003;transition:all .3s ease}.theme-switcher:hover{transform:scale(1.1)}.theme-switcher i{font-size:1.2rem}body{font-family:Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;margin:0;padding:0;overflow:auto!important;height:auto!important}h1,h2,h3,h4{font-weight:700;margin-top:0;color:var(--text-primary)}h1{font-size:2.5rem;line-height:1.2}h2.section-title{font-size:2rem;margin-bottom:2.5rem;position:relative;display:inline-block}h2.section-title:after{content:"";position:absolute;bottom:-10px;left:0;width:60px;height:4px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:2px}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 15px}@media (max-width: 576px){.container{width:95%;padding:0 10px}}.section-content{padding:5rem 0;position:relative}.main-header{position:fixed;top:0;width:100%;background-color:var(--bg-tertiary);padding:.85rem 0;box-shadow:0 4px 12px #86aafe33;z-index:1000}.header-content{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo-container{display:flex;margin-bottom:-.5rem;flex-direction:column}.app-mark{font-size:.9rem;letter-spacing:4px;color:var(--text-muted);margin-bottom:-6px}.main-logo{display:flex;margin-bottom:-.5rem;flex-direction:column}.main-logo .sage{font-size:clamp(2rem,3vw,1.1rem);font-weight:700;color:var(--primary);text-shadow:0 2px 4px rgba(53,81,108,.282),0 4px 8px rgba(71,87,159,.3)}.main-logo .hackathon{font-size:clamp(.9rem,2vw,1.2rem);letter-spacing:6px;color:var(--text);margin-top:-4px}.main-nav a{color:var(--text-primary);text-decoration:none;margin-left:1.5rem;font-weight:500;transition:color .3s;position:relative}.main-nav a:hover{color:var(--accent-primary);transform:translateY(-2px)}.main-nav a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;background-color:var(--accent-primary);transition:width .3s}.main-nav a:hover:after{width:100%;display:none}.nav-cta{background-color:var(--accent-primary);color:#fff!important;padding:var(--space-xs) var(--space-md);border-radius:4px}.nav-cta:hover{background-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 4px 8px #9a6b544d}.nav-cta:after{display:none}#captcha-gate{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;display:flex;justify-content:center;align-items:center}.captcha-overlay{position:absolute;width:100%;height:100%;background:#6a7d899e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.captcha-modal{position:relative;width:100%;max-width:420px;background:linear-gradient(145deg,#ca1313,#09537e);border-radius:16px;padding:2.5rem;box-shadow:0 12px 24px #0000004d,0 8px 32px #9a6b5426,inset 0 1px 1px #ffffff0d;border:1px solid rgba(255,255,255,.08);z-index:2;animation:fadeInUp .6s cubic-bezier(.22,1,.36,1)}.logo-captcha{text-align:center;margin-bottom:1.5rem}.logo-captcha .sage{font-size:2.2rem;font-weight:700;color:var(--primary);text-shadow:0 2px 4px rgba(107,142,157,.173),0 4px 8px rgba(95,112,132,.3)}.logo-captcha .hackathon{font-size:1rem;letter-spacing:4px;color:var(--text-primary);margin-top:-.5rem}.captcha-header h2{font-size:1.5rem;margin:1rem 0 .5rem;text-align:center;background:linear-gradient(to right,#e0e0e0,#a0a0a0);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.captcha-header p{color:var(--text-secondary);text-align:center;margin-bottom:1.5rem;font-size:.95rem}.captcha-body{margin:2rem 0;display:flex;justify-content:center}.security-badge{display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--text-secondary);font-size:.85rem;margin-top:1.5rem}.security-badge i{color:#f48225}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-section{min-height:100vh;min-height:calc(var(--vh, 1vh) * 100);display:flex;align-items:center;text-align:left;position:relative;overflow:hidden}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 70% 75%,#3e4c5d74,#01010800 70%);z-index:1;pointer-events:none}.hero-section{display:flex;align-items:center;text-align:left;position:relative;overflow:hidden;height:calc(var(--vh, 1vh) * 100)}.hero-section h1{font-size:3.5rem;margin-bottom:1.5rem;line-height:1.2}.subtitle{font-size:1.25rem;margin-bottom:2rem;color:var(--text-secondary);max-width:600px}.cta-group{display:flex;float:right;gap:1rem;margin-top:2rem}.btn{display:inline-block;padding:.8rem 2rem;border-radius:4px;font-weight:600;text-decoration:none;transition:all .3s ease}.btn-primary{background-color:var(--accent-primary);color:#fff;box-shadow:0 4px 15px #3745514d}.btn-primary:hover{background-color:#524765;transform:translateY(-2px);box-shadow:0 6px 20px #6e5c8b66}.btn-secondary{background-color:transparent;color:var(--accent-primary);border:2px solid var(--accent-primary)}.btn-secondary:hover{background-color:#4dabf71a;transform:translateY(-2px)}.about-card,.feature-card,.criteria-card,.Challenge-card,.objective-card{background-color:var(--bg-secondary);border-radius:8px;padding:2rem;transition:transform .3s,box-shadow .3s;border:1px solid var(--border-color)}.about-card:hover,.feature-card:hover,.criteria-card:hover,.Challenge-card:hover,.objective-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow)}.about-card i,.feature-card i{font-size:2.5rem;color:var(--accent-primary);margin-bottom:1.5rem}.criteria-card{position:relative;overflow:hidden}.criteria-card:before{content:attr(style);position:absolute;top:15px;right:15px;background-color:var(--accent-primary);color:#fff;padding:.3rem .6rem;border-radius:20px;font-size:.8rem;font-weight:700}.about-grid,.features-grid,.criteria-grid,.objectives-grid{display:grid;gap:2rem}.about-grid{grid-template-columns:repeat(3,1fr)}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.criteria-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.objectives-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.Challenge-section{background-color:var(--bg-secondary)}.fraud-types{columns:2;column-gap:2rem;margin-top:2rem;padding-left:1rem}.fraud-types li{margin-bottom:.8rem;position:relative;list-style-type:none;padding-left:1.5rem}.fraud-types li:before{content:"";position:absolute;left:0;top:.6rem;width:8px;height:8px;background-color:var(--accent-primary);border-radius:50%}.objective-card{text-align:center;position:relative}.objective-number{width:40px;height:40px;background-color:var(--accent-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 1rem}.timeline-section{background-color:var(--bg-secondary)}.phase{position:relative;padding:20px;border:2px solid var(--accent-primary);border-radius:10px;background-color:#f0fff0;margin-bottom:20px}.phase.completed:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#28a7451a;border-radius:10px;z-index:1}.check-overlay{position:absolute;top:10px;right:10px;z-index:2;color:#28a745;font-size:24px}.phase2-guidelines{background-color:var(--bg-primary);padding:4rem 0}.status-badge{background:var(--accent-primary);color:var(--bg-primary);padding:.3rem 1rem;border-radius:20px;font-size:.9rem;margin-left:1rem;vertical-align:middle}.guidelines-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin:2rem 0}.guideline-card{background:var(--bg-secondary);border-radius:10px;padding:1.5rem;box-shadow:0 3px 15px #0000000d;transition:transform .3s ease}.guideline-card:hover{transform:translateY(-5px);box-shadow:0 5px 20px #0000001a}.card-icon{background:var(--accent-primary);width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:1rem;font-size:1.5rem}.guideline-card h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.2rem}.guideline-card ul{padding-left:1.2rem}.guideline-card li{margin-bottom:.5rem;line-height:1.5}.guidelines-footer{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid;color:var(--text-secondary)}.guidelines-footer .emphasis{font-weight:600;color:var(--accent-primary);margin-top:.5rem}.phase-container{display:flex;gap:3rem;margin-top:2rem}.phase{flex:1;background-color:var(--bg-tertiary);padding:1.5rem;border-radius:8px;border-left:4px solid var(--accent-primary)}.phase h3{color:var(--accent-primary);margin-bottom:1rem}.phase-dates li{margin-bottom:.8rem;padding-left:1rem;position:relative}.phase-dates li:before{content:"•";position:absolute;left:0;color:var(--accent-primary)}.team-info{margin-top:2rem;font-size:1.1rem}.awards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:3rem}.award-card{text-align:center;padding:2rem 1rem;border-radius:8px;transition:transform .3s}.award-card:hover{transform:translateY(-5px)}.medal{font-size:3rem;margin-bottom:1rem}.award-card h3{margin-bottom:.5rem}.award-card p{font-size:1.2rem;font-weight:600;margin:0}.gold{background-color:#d4af371a;border:1px solid rgba(212,175,55,.3)}.silver{background-color:#c0c0c01a;border:1px solid rgba(192,192,192,.3)}.bronze{background-color:#cd7f321a;border:1px solid rgba(205,127,50,.3)}.register-section{text-align:center;background-color:var(--bg-secondary)}.form-cta{margin-top:2rem;font-size:1.1rem;padding:1rem 3rem;background-color:#44376093}.team-note{margin-top:1rem;color:var(--text-secondary);font-size:.9rem}.main-footer{background-color:var(--bg-tertiary);padding:3rem 0 1rem;border-top:1px solid var(--border-color)}.footer-content{display:flex;flex-wrap:wrap;gap:3rem;margin-bottom:2rem}.footer-logo{flex:1;min-width:250px}.footer-links{flex:2;display:flex;flex-wrap:wrap;gap:2rem}.link-group{min-width:150px}.link-group h4{color:var(--text-primary);margin-bottom:1rem;font-size:1.1rem}.link-group a{display:block;color:var(--text-secondary);margin-bottom:.5rem;text-decoration:none;transition:color .3s}.link-group a:hover{color:var(--accent-primary)}.link-group a i{margin-right:.5rem;width:20px;text-align:center}.footer-bottom{border-top:1px solid var(--border-color);padding-top:1.5rem;text-align:center;color:var(--text-secondary);font-size:.9rem;flex-wrap:wrap}#fintech-popup{display:none;position:fixed;bottom:20px;right:20px;background-color:var(--bg-tertiary);padding:20px;border-radius:12px;box-shadow:0 4px 12px #0000004d;max-width:290px;z-index:1000;font-size:14px}#popup-close-btn{background-color:var(--accent-primary);color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:14px}@media (max-width: 992px){.about-grid{grid-template-columns:1fr 1fr}}.footer-bottom a{color:inherit;text-decoration:none;font-size:.7em}@media (max-width: 768px){.header-content{flex-direction:column;align-items:flex-start;position:relative}.nav-toggle{display:block;background:none;border:none;cursor:pointer;padding:.5rem;margin-top:.5rem;z-index:1100;position:absolute;right:1rem;top:1rem}.hamburger,.hamburger:before,.hamburger:after{display:block;background-color:var(--text-primary);height:3px;width:25px;border-radius:2px;position:relative;transition:all .3s ease-in-out}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0}.hamburger:before{top:-8px}.hamburger:after{top:8px}.nav-toggle.open .hamburger{background-color:transparent}.nav-toggle.open .hamburger:before{transform:rotate(45deg);top:0}.nav-toggle.open .hamburger:after{transform:rotate(-45deg);top:0}.main-nav{display:none;flex-direction:column;width:100%;margin-top:1rem;background-color:var(--bg-secondary);border-radius:8px;padding:1rem 0;box-shadow:0 4px 12px #9c86fe33;position:absolute;top:100%;left:0;z-index:1000}.main-nav.nav-open{display:flex}.main-nav a{margin:.5rem 1.5rem;padding:.5rem 0}.hero-section h1{font-size:2.5rem}.about-grid{grid-template-columns:1fr}.phase-container{flex-direction:column}.fraud-types{columns:1}}@media (max-width: 576px){.cta-group{flex-direction:column}.btn{width:100%;text-align:center}.form-cta{width:100%;padding:1rem 1.5rem;font-size:1rem;box-sizing:border-box}}.dev-process-section{background:var(--bg-primary);padding:4rem 0}.process-container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.process-steps{margin-top:3rem}.step-card{background:var(--bg-secondary);border-radius:12px;box-shadow:var(--card-shadow);margin-bottom:1.5rem;overflow:hidden;transition:all .3s ease;cursor:pointer}.step-card.active{box-shadow:0 8px 30px #0000001f;margin:2rem 0}.step-header{display:flex;align-items:center;padding:1.8rem 2rem;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%)}.step-number{background:var(--accent-primary);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-right:1.8rem;font-weight:700;font-size:1.3rem;flex-shrink:0}.step-title{flex:1}.step-title h3{margin:0;color:var(--accent-primary);font-size:1.4rem}.step-title p{margin:.4rem 0 0;color:var(--text-secondary);font-size:.95rem}.step-header i{color:var(--text-secondary);font-size:1.2rem;transition:transform .3s ease}.step-card.active .step-header i{transform:rotate(180deg);color:var(--accent-primary)}.step-details{max-height:0;overflow:hidden;transition:max-height .5s ease,padding .3s ease}.step-card.active .step-details{max-height:3000px;padding:0 2rem 2rem}.detail-section{padding:1.8rem 0;border-top:1px solid var(--bg-tertiary)}.detail-section h4{margin:0 0 1.2rem;color:var(--accent-primary);display:flex;align-items:center;font-size:1.2rem}.detail-section h4 i{margin-right:1rem;font-size:1.2rem}.detail-section ul{margin:0;padding-left:1.8rem}.detail-section li{margin-bottom:.8rem;line-height:1.6;color:var(--text-primary)}.detail-section li strong{color:var(--accent-primary);font-weight:600}.highlight-box{background:var(--bg-primary);margin:0 -2rem;padding:2rem;border-radius:0 0 12px 12px}.grid-3col{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1.5rem}.grid-item{background:var(--bg-secondary);padding:1.5rem;border-radius:8px;box-shadow:var(--card-shadow);text-align:center}.grid-item i{color:var(--accent-primary);font-size:1.8rem;margin-bottom:1rem}.grid-item p{margin:0;color:var(--text-primary)}.tech-comparison{display:flex;gap:1.5rem;margin:1.5rem 0}.tech-option{flex:1;padding:1.5rem;border-radius:10px;background:var(--bg-secondary)}.tech-option h5{margin:0 0 .8rem;color:var(--accent-primary);font-size:1.1rem}.tech-option p{margin:0;color:var(--text-secondary)}.tech-option .tech-desc{font-size:.9rem;margin-top:.8rem;color:var(--text-muted);line-height:1.5}.tech-tags{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1rem}.tech-tag{background:var(--accent-secondary);color:var(--accent-primary);padding:.5rem 1.2rem;border-radius:20px;font-size:.85rem;font-weight:500}.tech-tag.cloud{background:#e1f0ff;color:#0072e6}@media (max-width: 768px){.step-header{padding:1.5rem}.step-number{width:38px;height:38px;margin-right:1.2rem;font-size:1.1rem}.tech-comparison{flex-direction:column}.grid-3col{grid-template-columns:1fr}}