:root{--primary: #0f2847;--primary-hover: #163860;--accent: #0ea5e9;--bg-color: #f4f7f9;--surface: #ffffff;--border: #e2e8f0;--text-main: #0b192c;--text-muted: #64748b}body{margin:0;padding:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--surface);color:var(--text-main);overflow-x:hidden}.landing-nav{position:fixed;top:0;left:0;width:100%;height:72px;background-color:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:0 5%;box-sizing:border-box;z-index:1000;transition:background-color .3s,box-shadow .3s}.landing-nav.scrolled{box-shadow:0 4px 6px -1px #0000000d}.logo{font-size:1.6rem;font-weight:800;color:var(--primary);text-decoration:none;letter-spacing:-.5px}.logo span{color:var(--accent)}.nav-links{display:flex;gap:32px;align-items:center}.nav-links a{text-decoration:none;color:var(--text-main);font-size:.95rem;font-weight:600;transition:color .2s}.nav-links a:hover{color:var(--accent)}.btn-login{color:var(--primary);border:1px solid var(--border);padding:8px 20px;border-radius:6px;background:transparent;font-weight:700;transition:all .2s}.btn-login:hover{background:var(--bg-color);border-color:var(--primary)}.btn-signup{background-color:var(--primary);color:#fff!important;padding:8px 20px;border-radius:6px;border:1px solid var(--primary);font-weight:700;transition:background .2s}.btn-signup:hover{background-color:var(--primary-hover)}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;color:var(--primary);cursor:pointer}.hero{margin-top:72px;min-height:calc(100vh - 72px);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:80px 20px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-20%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(14,165,233,.15) 0%,transparent 70%);border-radius:50%;pointer-events:none}.hero:after{content:"";position:absolute;bottom:-20%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.05) 0%,transparent 70%);border-radius:50%;pointer-events:none}.hero-badge{background:#0ea5e933;color:#38bdf8;padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:700;letter-spacing:1px;margin-bottom:24px;border:1px solid rgba(14,165,233,.3);z-index:1}.hero h1{font-size:4rem;font-weight:800;color:#fff;line-height:1.2;margin:0 0 24px;letter-spacing:-1.5px;max-width:800px;z-index:1}.hero h1 span{color:var(--accent)}.hero p{font-size:1.25rem;color:#cbd5e1;max-width:600px;line-height:1.6;margin:0 0 40px;z-index:1}.hero-cta{display:flex;gap:16px;z-index:1}.btn-hero-primary{background-color:var(--accent);color:#fff;padding:16px 36px;border-radius:8px;font-size:1.1rem;font-weight:800;text-decoration:none;transition:background .2s,transform .2s;box-shadow:0 10px 15px -3px #0ea5e94d}.btn-hero-primary:hover{background-color:#0284c7;transform:translateY(-2px)}.btn-hero-secondary{background-color:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:16px 36px;border-radius:8px;font-size:1.1rem;font-weight:700;text-decoration:none;transition:background .2s}.btn-hero-secondary:hover{background-color:#fff3}.trust-section{background-color:var(--surface);padding:40px 5%;border-bottom:1px solid var(--border);display:flex;justify-content:center}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;max-width:1000px;width:100%}.trust-item{text-align:center}.trust-item h3{font-size:2rem;font-weight:800;color:var(--primary);margin:0 0 8px}.trust-item p{font-size:.95rem;color:var(--text-muted);font-weight:600;margin:0}.features-section{padding:100px 5%;background-color:var(--bg-color)}.section-header{text-align:center;margin-bottom:60px}.section-header h2{font-size:2.5rem;font-weight:800;color:var(--primary);margin:0 0 16px;letter-spacing:-1px}.section-header p{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;max-width:1200px;margin:0 auto}.feature-card{background:var(--surface);padding:40px 32px;border-radius:12px;border:1px solid var(--border);box-shadow:0 4px 6px -1px #00000005;transition:transform .2s,box-shadow .2s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px #0f28470d;border-color:#cbd5e1}.feature-icon-substitute{width:48px;height:48px;background:#0ea5e91a;color:var(--accent);border-radius:8px;display:flex;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;margin-bottom:24px}.feature-card h3{font-size:1.3rem;font-weight:800;color:var(--text-main);margin:0 0 12px}.feature-card p{font-size:1rem;color:var(--text-muted);line-height:1.6;margin:0}.pricing-section{padding:100px 5%;background-color:var(--surface);border-top:1px solid var(--border)}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:1100px;margin:0 auto}.pricing-card{border:1px solid var(--border);border-radius:12px;padding:40px 32px;display:flex;flex-direction:column;position:relative;background:var(--surface)}.pricing-card.pro{border-color:var(--primary);box-shadow:0 20px 25px -5px #0f28471a;transform:scale(1.02)}.pro-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;padding:4px 16px;border-radius:20px;font-size:.8rem;font-weight:800;letter-spacing:1px}.plan-name{font-size:1.4rem;font-weight:800;color:var(--text-main);margin:0 0 8px}.pricing-card.pro .plan-name{color:var(--primary)}.plan-price{font-size:2.5rem;font-weight:800;color:var(--text-main);margin:0 0 24px;border-bottom:1px solid var(--border);padding-bottom:24px}.plan-price span{font-size:1rem;color:var(--text-muted);font-weight:500}.plan-features{list-style:none;padding:0;margin:0 0 32px;flex:1}.plan-features li{padding:12px 0;border-bottom:1px solid #f1f5f9;font-size:.95rem;color:var(--text-muted);display:flex;align-items:center}.plan-features li:before{content:"✓";color:var(--success);font-weight:700;margin-right:12px;font-size:1.1rem}.plan-features li:last-child{border-bottom:none}.btn-plan{width:100%;padding:14px;border-radius:8px;font-size:1rem;font-weight:700;text-align:center;text-decoration:none;transition:background .2s}.btn-plan.outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-plan.outline:hover{background:var(--bg-color)}.btn-plan.solid{background:var(--primary);border:1px solid var(--primary);color:#fff}.btn-plan.solid:hover{background:var(--primary-hover)}.footer{background-color:var(--primary);color:#cbd5e1;padding:60px 5% 40px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;max-width:1200px;margin:0 auto 40px}.footer-logo{font-size:1.5rem;font-weight:800;color:#fff;margin:0 0 16px;letter-spacing:-.5px}.footer-logo span{color:var(--accent)}.footer-desc{font-size:.9rem;line-height:1.6;max-width:300px;margin:0}.footer-title{font-size:1.1rem;font-weight:700;color:#fff;margin:0 0 20px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:12px}.footer-links a{color:#94a3b8;text-decoration:none;font-size:.9rem;transition:color .2s}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:.85rem;color:#64748b;max-width:1200px;margin:0 auto}@media (max-width: 900px){.trust-grid{grid-template-columns:1fr 1fr;gap:24px}.pricing-grid{grid-template-columns:1fr}.pricing-card.pro{transform:none}.footer-grid{grid-template-columns:1fr;gap:32px}}@media (max-width: 768px){.nav-links{display:none}.mobile-menu-btn{display:block}.hero h1{font-size:2.5rem}.hero-cta{flex-direction:column;width:100%;max-width:300px}}