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cubic-bezier(.4,.2,.2,1);min-height:640px}.flip-wrapper.flipped{transform:rotateY(180deg)}.card-front-wrap{position:relative;backface-visibility:hidden;-webkit-backface-visibility:hidden}.card-back-wrap{position:absolute;top:0;left:0;right:0;transform:rotateY(180deg);backface-visibility:hidden;-webkit-backface-visibility:hidden}.arc-ring{position:absolute;inset:-1px;border-radius:25px;z-index:0;pointer-events:none;overflow:hidden}.arc-ring:before{content:"";position:absolute;width:200%;height:200%;top:-50%;left:-50%;background:conic-gradient(from 0deg,transparent 0deg,transparent 255deg,rgba(255,107,157,.4) 280deg,rgba(255,45,85,.95) 308deg,rgba(232,30,140,.95) 325deg,rgba(255,128,171,.4) 348deg,transparent 360deg);animation:spinArc 3s linear infinite}.arc-ring:after{content:"";position:absolute;inset:1.5px;border-radius:23.5px;background:#1a0030}@keyframes spinArc{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-card{width:100%;background:#fff1;backdrop-filter:blur(32px) saturate(160%);-webkit-backdrop-filter:blur(32px) saturate(160%);border:none;border-radius:24px;padding:44px 38px 36px;position:relative;overflow:hidden;z-index:3;box-shadow:0 8px 44px #00000085,0 2px 14px #ff2d551a}.auth-card:before{content:"";position:absolute;top:0;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);z-index:2}.auth-card:after{content:"";position:absolute;bottom:-40px;right:-40px;width:150px;height:150px;background:radial-gradient(circle,rgba(255,45,85,.1),transparent 70%);pointer-events:none}.auth-title{font-family:Cormorant Garamond,serif;font-size:1.9rem;font-weight:600;color:#fff;text-align:center;margin-bottom:5px}.auth-sub{text-align:center;font-size:.71rem;font-weight:300;color:#ffb4c89e;letter-spacing:.12em;text-transform:uppercase;margin-bottom:24px}.btn-google{width:100%;padding:12px 16px;margin-bottom:2px;display:flex;align-items:center;justify-content:center;gap:10px;background:#ffffff14;border:1px solid rgba(255,255,255,.16);border-radius:12px;color:#fff;font-family:DM Sans,sans-serif;font-size:.91rem;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-google:hover{background:#ffffff24;transform:translateY(-1px)}.auth-divider{display:flex;align-items:center;gap:12px;margin:15px 0 11px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#ff96b424}.auth-divider span{font-size:.68rem;color:#ffb4c861;letter-spacing:.1em;text-transform:uppercase}.auth-field{margin-bottom:11px}.auth-field label{display:block;font-size:.66rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--blush);margin-bottom:5px;padding-left:3px}.auth-field input,.auth-field select{width:100%;padding:12px 14px;background:#ffffff12;border:1px solid rgba(255,100,150,.2);border-radius:11px;color:#fff;font-family:DM Sans,sans-serif;font-size:.91rem;outline:none;transition:all .25s;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.auth-field input::-moz-placeholder{color:#ffc8dc5c}.auth-field input::placeholder{color:#ffc8dc5c}.auth-field input:focus,.auth-field select:focus{border-color:var(--rose);background:#ff2d5514;box-shadow:0 0 0 3px #ff2d5521}.auth-field select option{background:#2d001a}.btn-auth{width:100%;margin-top:8px;padding:13px;background:linear-gradient(135deg,#ff2d55d1,#be0064d1);border:1px solid rgba(255,100,150,.42);border-radius:12px;color:#fff;font-family:DM Sans,sans-serif;font-size:.93rem;font-weight:500;letter-spacing:.05em;cursor:pointer;position:relative;overflow:hidden;transition:all .22s;box-shadow:0 4px 22px #ff2d5547}.btn-auth:before{content:"";position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);transition:left .5s}.btn-auth:hover:before{left:160%}.btn-auth:hover{transform:translateY(-2px);box-shadow:0 7px 28px #ff2d5570}.auth-switch{text-align:center;margin-top:17px;font-size:.81rem;color:#ffc8dc85}.auth-link{color:var(--pink);font-weight:500;border-bottom:1px solid rgba(255,107,157,.28);cursor:pointer;transition:color .2s}.auth-link:hover{color:#fff}.auth-msg{border-radius:10px;padding:10px 14px;margin-top:10px;font-size:.82rem;text-align:center}.auth-msg.success{background:#48bb7826;border:1px solid rgba(72,187,120,.32);color:#a3f0c4}.auth-msg.error{background:#ff2d551f;border:1px solid rgba(255,45,85,.28);color:#ffb3c6}@media(max-width:768px){.nav-links,.nav-auth{display:none}.nav-burger{display:block}.hero-stats{gap:16px}.stat-divider{display:none}.refer-card{padding:36px 22px}.footer-top{flex-direction:column}.auth-card{padding:34px 22px 28px}.cta-card{padding:48px 24px}}@media(max-width:1024px){.nav-container{padding:0 18px}section{padding:84px 22px}.feat-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}}@media(max-width:640px){.nav-container{padding:0 14px}.hero{padding:104px 16px 64px}section{padding:72px 16px}.hero-sub{font-size:1rem}.btn-hero{padding:14px 22px}.hero-btns{gap:10px}.hero-stats{margin-top:42px}.steps-grid{grid-template-columns:1fr}.step-card{padding:28px 20px}.feat-grid{grid-template-columns:1fr}.feat-card{padding:22px}.coins-grid{gap:26px}.coin-orb{width:170px;height:170px}.cta-btns{gap:10px}footer{padding:44px 16px 28px}.footer-bottom{flex-direction:column;align-items:flex-start}.auth-overlay{align-items:flex-start;padding:18px;overflow:auto}.flip-wrapper{min-height:0}}@media(max-width:480px){.nav-row{height:60px}.nav-logo{font-size:1.25rem}.nav-logo-icon,.nav-logo-mark{width:30px;height:30px;border-radius:8px}.nav-mobile-link{padding:14px 2px;font-size:.95rem}.nav-mobile-auth button{padding:13px}.hero{padding:98px 14px 58px}.hero-badge{padding:7px 14px;letter-spacing:.08em}.hero-title{font-size:clamp(2.2rem,10vw,3.2rem)}.hero-sub{font-size:.98rem;line-height:1.7;margin-bottom:34px}.hero-btns{flex-direction:column;align-items:stretch}.btn-hero{width:100%}.hero-stats{gap:14px}section{padding:64px 14px}.s-sub{margin-bottom:34px}.refer-card{padding:30px 16px}.refer-code{width:100%;justify-content:space-between;gap:10px;flex-wrap:wrap;letter-spacing:.08em;font-size:1.1rem}.refer-copy{padding:6px 2px}.cta-card{padding:40px 18px}.auth-close{top:14px;right:14px}.auth-card{padding:28px 18px 22px}.auth-title{font-size:1.65rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.badge-dot,.coin-orb,.footer-hearts,.arc-ring:before{animation:none}.btn-primary-nav,.btn-hero-primary,.btn-auth{transition:none}}