:root{--primary-color: #1976d2;--primary-hover: #1e557f;--secondary-color: #125d96;--text-color: #1f2937;--text-light: #6b7280;--bg-color: #ffffff;--bg-alt: #f8fafc;--white: #ffffff;--max-width: 1200px;--border-radius: 12px;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-color);background-color:var(--bg-color);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border-radius:var(--border-radius);font-weight:600;transition:var(--transition)}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 6px -1px #2563eb33}.section{padding:80px 0}h1,h2,h3{line-height:1.2;margin-bottom:1rem}h1{font-size:3.5rem;font-weight:800;background:linear-gradient(to right,#1976d2,#42a5f5);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}h2{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:3rem}h3{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}input{padding:12px 16px;border:2px solid var(--primary-color);border-radius:var(--border-radius);font-size:1rem;width:100%;transition:var(--transition)}input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.header{padding:20px 0;position:fixed;top:0;left:0;right:0;background-color:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;border-bottom:1px solid #f3f4f6}.header-container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary-color);letter-spacing:-.5px}.logo-icon{width:32px;height:32px;object-fit:contain}.nav{display:flex;align-items:center;gap:32px}.nav-link{font-weight:500;color:var(--text-color);transition:var(--transition)}.nav-link:hover{color:var(--primary-color)}.hero{padding-top:160px;padding-bottom:100px;background:linear-gradient(180deg,#eff6ff,#fff)}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.hero-text{font-size:1.25rem;color:var(--text-light);margin-bottom:2rem;max-width:500px}.hero-form{display:flex;gap:12px;margin-bottom:1rem;max-width:450px}.hero-form input{flex:1}.hero-subtext{font-size:.875rem;color:var(--text-light)}.placeholder-image{background:#fff;border-radius:24px;box-shadow:0 20px 40px #0000001a;padding:10px;transform:perspective(1000px) rotateY(-5deg) rotateX(5deg);transition:transform .3s ease;width:320px;margin:0 auto;border:none}.placeholder-image:hover{transform:perspective(1000px) rotateY(0) rotateX(0)}.app-mockup{background:#f8fafc;border-radius:16px;overflow:hidden;height:580px;display:flex;flex-direction:column;position:relative}.app-header{background-color:var(--primary-color);padding:20px 20px 30px;border-bottom-left-radius:24px;border-bottom-right-radius:24px;color:#fff}.app-nav-icon{width:20px;height:2px;background:#fff;margin-bottom:20px;position:relative}.app-nav-icon:before,.app-nav-icon:after{content:"";position:absolute;width:20px;height:2px;background:#fff;left:0}.app-nav-icon:before{top:-6px}.app-nav-icon:after{top:6px}.app-welcome{margin-bottom:20px}.app-line{background:#ffffff4d;border-radius:4px;margin-bottom:8px}.app-line.large{height:20px;width:80%;background:#fff}.app-line.medium{height:14px;width:50%}.app-line.small{height:10px;width:40%}.app-line.dark{background:#1f2937}.app-line.gray{background:#9ca3af}.app-search-bar{background:#fff;height:40px;border-radius:8px;width:100%;box-shadow:0 4px 6px -1px #0000001a}.app-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:16px}.app-section-title{height:16px;width:40%;background:#d1d5db;border-radius:4px;margin-top:10px}.app-card{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 4px #0000000d}.app-card-row{display:flex;gap:16px}.app-icon-stack{display:flex;flex-direction:column;gap:8px}.app-icon-box{width:32px;height:32px;background:#eff6ff;border-radius:8px;border:1px solid #dbeafe}.app-card-content{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:4px 0}.app-status{color:#10b981;font-weight:600;font-size:.875rem;margin-top:auto}.app-card.small .app-card-row{align-items:center}.app-bottom-nav{background:#fff;height:60px;display:flex;justify-content:space-around;align-items:center;border-top:1px solid #e5e7eb}.nav-item{width:24px;height:24px;background:#d1d5db;border-radius:4px}.nav-item.active{background:var(--primary-hover);border-radius:8px}@media(max-width:768px){.hero-container{grid-template-columns:1fr;text-align:center}.hero-text,.hero-form{margin-left:auto;margin-right:auto}.placeholder-image{margin-top:40px}}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background:#fff;padding:12px 24px;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);z-index:1000;display:flex;align-items:center;justify-content:space-between;min-width:300px;max-width:90%;animation:slideDown .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.05)}.toast-success{border-left:4px solid #10b981}.toast-error{border-left:4px solid #ef4444}.toast-content{display:flex;align-items:center;gap:12px}.toast-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-weight:700;font-size:14px}.toast-success .toast-icon{background-color:#d1fae5;color:#059669}.toast-error .toast-icon{background-color:#fee2e2;color:#b91c1c}.toast p{margin:0;color:var(--text-color);font-size:.95rem;font-weight:500}.toast-close{background:none;border:none;color:var(--text-light);font-size:20px;cursor:pointer;padding:0;margin-left:16px;line-height:1;transition:color .2s}.toast-close:hover{color:var(--text-color)}@keyframes slideDown{0%{transform:translate(-50%,-100%);opacity:0}to{transform:translate(-50%);opacity:1}}.features-section{background-color:var(--secondary-color);position:relative;overflow:hidden}.features-section:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,#ffffff4d,#fff0 70%);pointer-events:none}.features-section h2{color:#fff}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}.feature-card{padding:32px;border-radius:16px;background:var(--white);border:1px solid rgba(255,255,255,.5);box-shadow:var(--shadow-md);transition:var(--transition);display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:1}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}.feature-icon{font-size:2rem;margin-bottom:1.5rem;background:var(--secondary-color);color:#fff;width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:16px;border:none}.icon-svg{width:32px;height:32px}.feature-card p{color:var(--text-light);line-height:1.6}.footer{background-color:#f9fafb;padding:80px 0 40px;border-top:1px solid #e5e7eb}.footer-container{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:60px}.footer-col h4{font-size:1rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-color)}.footer-col a{display:block;margin-bottom:12px;color:var(--text-light);transition:var(--transition)}.footer-col a:hover{color:var(--primary-color)}.footer-text{color:var(--text-light);margin-top:1rem;max-width:300px;margin-bottom:1.5rem}.footer .logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary-color);letter-spacing:-.5px}.footer .logo-icon{width:32px;height:32px;object-fit:contain}.footer-form{display:flex;gap:8px;max-width:350px}.footer-form input{flex:1;padding:10px 12px;font-size:.875rem}.footer-form .btn{padding:10px 16px;font-size:.875rem}.copyright{text-align:center;color:var(--text-light);font-size:.875rem;padding-top:40px;border-top:1px solid #e5e7eb}@media(max-width:768px){.footer-container{grid-template-columns:1fr;gap:40px}}