:root{--primary: #4A90E2;--primary-gradient: linear-gradient(135deg, #4A90E2 0%, #7B61FF 100%);--bg-white: #ffffff;--bg-light: #F8FAFC;--text-dark: #1E293B;--text-gray: #64748B;--border-color: #E2E8F0;--shadow-soft: 0 10px 30px rgba(0, 0, 0, .05);--shadow-hover: 0 15px 40px rgba(74, 144, 226, .15);--border-radius: 12px;--container-width: 1200px;--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,sans-serif}body{background-color:var(--bg-white);color:var(--text-dark);line-height:1.6;overflow-x:hidden}.container{max-width:var(--container-width);margin:0 auto;padding:0 2rem}header{background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);padding:1rem 0;position:sticky;top:0;z-index:1000}header .container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.8rem;font-weight:700;font-size:1.5rem}.logo-img{height:32px;width:auto}.logo-text{background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;gap:2rem}.nav-links a{text-decoration:none;color:var(--text-gray);font-weight:500;transition:var(--transition)}.nav-links a:hover{color:var(--primary)}.nav-auth{display:flex;gap:1.5rem;align-items:center}.lang-selector select{background:transparent;border:1px solid var(--border-color);padding:.4rem .6rem;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--text-gray);cursor:pointer;outline:none;transition:var(--transition)}.lang-selector select:hover{border-color:var(--primary);color:var(--primary)}.btn-login{text-decoration:none;color:var(--text-dark);font-weight:600}.btn-signup{text-decoration:none;background:var(--primary-gradient);color:#fff;padding:.75rem 1.5rem;border-radius:100px;font-weight:600;transition:var(--transition);box-shadow:var(--shadow-soft)}.btn-signup:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.hero{padding:6rem 0;text-align:center;background:radial-gradient(circle at top right,rgba(74,144,226,.05),transparent),radial-gradient(circle at bottom left,rgba(123,97,255,.05),transparent)}.hero h1{font-size:4rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem}.hero h1 span{background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.25rem;color:var(--text-gray);max-width:700px;margin:0 auto 2.5rem}.hero-form{display:flex;gap:1rem;max-width:500px;margin:0 auto;background:#fff;padding:.5rem;border-radius:100px;box-shadow:var(--shadow-soft);border:1px solid var(--border-color)}.hero-form input{flex:1;border:none;padding:0 1.5rem;border-radius:100px;outline:none}.btn-primary{background:var(--primary-gradient);color:#fff;border:none;padding:.85rem 2rem;border-radius:100px;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-primary:hover{transform:scale(1.05)}.features-grid{padding:6rem 0}.features-grid h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;position:relative}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:#fff;padding:2.5rem;border-radius:var(--border-radius);border:1px solid var(--border-color);transition:var(--transition)}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-soft);border-color:var(--primary)}.icon-box{width:60px;height:60px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:1.5rem}.icon-box.blue{background:#4a90e21a;color:#4a90e2}.icon-box.orange{background:#ff95001a;color:#ff9500}.icon-box.purple{background:#7b61ff1a;color:#7b61ff}.feature-card h3{margin-bottom:1rem;font-size:1.35rem}.feature-card p{color:var(--text-gray)}.feature-detail{padding:6rem 0}.bg-light{background-color:var(--bg-light)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}.grid-2.reverse{direction:rtl}.grid-2.reverse>*{direction:ltr}.feature-image img{width:100%;border-radius:24px;box-shadow:var(--shadow-soft)}.feature-text h2{font-size:2.5rem;margin-bottom:1.5rem;line-height:1.2}.feature-text p{font-size:1.15rem;color:var(--text-gray);margin-bottom:2rem}.check-list{list-style:none}.check-list li{padding-left:2rem;position:relative;margin-bottom:1rem;font-weight:500}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}.footer{padding:4rem 0;border-top:1px solid var(--border-color);background:#0f172a;color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:4rem}.footer-info p{margin-top:1.5rem;color:#94a3b8}.footer h4{margin-bottom:1.5rem;font-size:1.1rem}.footer p{color:#94a3b8;margin-bottom:.5rem}.pricing{padding:8rem 0;background-color:var(--bg-light)}.section-header{text-align:center;margin-bottom:4rem}.section-header h2{font-size:3rem;margin-bottom:1rem}.section-header p{color:var(--text-gray);font-size:1.25rem}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem}.pricing-card{background:#fff;padding:3rem 2rem;border-radius:2rem;border:1px solid var(--border-color);text-align:center;position:relative;transition:var(--transition)}.pricing-card.featured{border-color:var(--primary);box-shadow:0 20px 40px #4a90e21a;transform:scale(1.05)}.pricing-card:hover{transform:translateY(-10px)}.badge{position:absolute;top:1.5rem;right:1.5rem;background:var(--primary-gradient);color:#fff;padding:.25rem 1rem;border-radius:50px;font-size:.8rem;font-weight:700}.pricing-card h3{margin-bottom:1.5rem;font-size:1.5rem}.price{font-size:3rem;font-weight:800;margin-bottom:2rem}.price span{font-size:1rem;color:var(--text-gray);font-weight:400}.pricing-features{list-style:none;margin-bottom:2.5rem;text-align:left}.pricing-features li{margin-bottom:1rem;color:var(--text-gray);padding-left:1.5rem;position:relative}.pricing-features li:before{content:"✓";color:var(--primary);position:absolute;left:0;font-weight:700}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);padding:.75rem 2rem;border-radius:100px;font-weight:700;cursor:pointer;width:100%;transition:var(--transition)}.btn-outline:hover{background:var(--primary);color:#fff}@media(max-width:968px){.pricing-card.featured{transform:none}.grid-2{grid-template-columns:1fr;gap:3rem}.hero h1{font-size:3rem}.nav-links{display:none}.footer-grid{grid-template-columns:2fr 1fr}}