@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap");*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body,html{height:100%}body{margin:0;color:#111;background:#1a1a2e;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Helvetica,Arial,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit}.landingPage{position:relative;color:#fff;-webkit-font-smoothing:antialiased}.landingBg{position:fixed;inset:0;z-index:0}.landingBgImage{position:absolute;inset:0;background:url(https://upload.wikimedia.org/wikipedia/commons/4/48/Low_Memorial_Library_-_Columbia_University.jpg) 50%/cover no-repeat;filter:blur(4px);transform:scale(1.05)}.landingBgOverlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,52,78,.65),rgba(40,52,78,.75) 50%,rgba(30,40,65,.85))}.landingNav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:24px 40px}.landingLogo{font-size:1.35rem;font-weight:700;letter-spacing:-.3px}.landingNavRight{display:flex;gap:12px}.landingNavBtn{padding:10px 22px;border-radius:50px;font-size:.9rem;font-weight:500;text-decoration:none}.landingNavBtn.outline{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.landingNavBtn.solid{background:#fff;border:1px solid #fff;color:#1a1a2e}.landingHero{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:120px 24px 80px;text-align:center}.landingDoodle{margin-bottom:16px}.landingDoodle svg{width:48px;height:48px}.landingTitle{margin:0 0 36px;color:#fff;font-family:"Instrument Serif",serif;font-size:clamp(3.5rem,8vw,6.5rem);font-weight:400;line-height:1;letter-spacing:-2px}.landingMascotContainer{position:relative;margin-bottom:32px}.landingMascotSvg{width:180px;height:180px;animation:mascot-bounce 3s ease-in-out infinite;filter:drop-shadow(0 8px 24px rgba(0,0,0,.3))}.landingSpeechBubble{top:-50px;right:-190px;min-width:220px;padding:12px 20px;border:1px solid rgba(255,255,255,.2);border-radius:20px 20px 20px 4px;color:#fff;font-size:.95rem;white-space:nowrap}.landingSpeechBubble,.landingSpeechBubble:after{position:absolute;background:rgba(255,255,255,.15);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.landingSpeechBubble:after{content:"";bottom:-6px;left:12px;width:12px;height:12px;border:1px solid rgba(255,255,255,.2);border-top:none;border-right:none;transform:rotate(-45deg)}.landingCursorBlink{display:inline-block;width:2px;height:14px;margin-left:2px;vertical-align:middle;background:#fff;animation:blink 1s infinite}.landingStats{display:flex;flex-direction:column;gap:4px;margin-bottom:40px;color:rgba(255,255,255,.7);font-size:.95rem}.landingStats strong{color:#fff}.landingCtaBtn{display:inline-flex;gap:12px;min-width:340px;padding:20px 48px;border-radius:60px;background:#fff;box-shadow:0 4px 24px rgba(0,0,0,.15);color:#1a1a2e;font-size:1.15rem;font-weight:600;text-decoration:none}.landingCtaBtn,.landingCtaIcon{align-items:center;justify-content:center}.landingCtaIcon{display:flex;width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,#34d399,#059669)}.landingCtaIcon svg{width:16px;height:16px;fill:#fff}.landingHowSection{position:relative;z-index:10;padding:120px 24px 140px}.landingHowInner{max-width:900px;margin:0 auto}.landingHowLabel{margin-bottom:16px;color:rgba(255,255,255,.4);text-align:center;font-size:.8rem;font-weight:600;letter-spacing:3px;text-transform:uppercase}.landingHowTitle{margin:0 0 80px;color:#fff;text-align:center;font-family:"Instrument Serif",serif;font-size:clamp(2.5rem,5vw,4rem);font-weight:400;letter-spacing:-1.5px}.landingSteps{display:flex;flex-direction:column;gap:64px}.landingStep{display:flex;align-items:flex-start;gap:40px}.landingStepNum{min-width:80px;color:rgba(255,255,255,.7);font-family:"Instrument Serif",serif;font-size:4.5rem;font-weight:700;line-height:1;letter-spacing:-2px}.landingStepBody h3{margin:0 0 8px;color:#fff;font-size:1.4rem;font-weight:600}.landingStepBody p{max-width:500px;margin:0;color:rgba(255,255,255,.55);font-size:1.05rem;line-height:1.6}.landingStepDivider{width:1px;height:40px;margin-left:40px;background:rgba(255,255,255,.08)}.landingFooter{position:relative;z-index:10;padding:40px 24px;border-top:1px solid rgba(255,255,255,.06);color:rgba(255,255,255,.35);text-align:center;font-size:.8rem}.landingFooter a{color:rgba(255,255,255,.45);text-decoration:underline;text-underline-offset:2px}@keyframes mascot-bounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-10px) scale(1.04)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@media (max-width:640px){.landingNav{padding:16px 20px}.landingLogo{font-size:1.15rem}.landingTitle{font-size:3.2rem;letter-spacing:-1px}.landingMascotSvg{width:140px;height:140px}.landingSpeechBubble{position:relative;top:auto;right:auto;min-width:0;max-width:280px;margin-top:16px;white-space:normal}.landingSpeechBubble:after{display:none}.landingCtaBtn{width:100%;min-width:auto;max-width:340px;padding:18px 36px;font-size:1.05rem}.landingStep{flex-direction:column;align-items:center;gap:12px;text-align:center}.landingStepNum{min-width:auto}.landingStepDivider{margin:0 auto}.landingHowTitle{margin-bottom:56px}}.demoNav{position:fixed;top:0;left:0;z-index:200;padding:24px 40px}.demoLogo{font-size:1.35rem;font-weight:700;letter-spacing:-.3px;color:#fff}.demoBackBtn{position:fixed;bottom:32px;left:32px;z-index:200;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;text-decoration:none;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background .15s}.demoBackBtn:hover{background:rgba(255,255,255,.2)}@media (max-width:640px){.demoNav{padding:16px 20px}.demoLogo{font-size:1.15rem}}