:root{--primary-color:#667eea;--secondary-color:#764ba2;--success-color:#28a745;--warning-color:#ffc107;--danger-color:#dc3545;--info-color:#17a2b8;--dark-color:#343a40;--light-color:#f8f9fa}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333}.hero-section{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);color:#fff;padding:120px 0;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3}.hero-content{position:relative;z-index:2}.hero-title{font-size:4rem;font-weight:700;margin-bottom:1.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero-subtitle{font-size:1.4rem;margin-bottom:2.5rem;opacity:.9}.navbar{background:rgba(255,255,255,.95)!important;backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);box-shadow:0 2px 20px rgba(0,0,0,.1)}.navbar-brand{font-weight:700;font-size:1.5rem;color:var(--primary-color)!important}.nav-link{font-weight:500;margin:0 10px;transition:all .3s ease}.nav-link:hover{color:var(--primary-color)!important;transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);border:none;border-radius:15px;padding:15px 35px;font-weight:600;font-size:1.1rem;transition:all .3s ease}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(102,126,234,.4)}.btn-outline-light{border:2px solid #fff;border-radius:15px;padding:15px 35px;font-weight:600;font-size:1.1rem;transition:all .3s ease}.btn-outline-light:hover{background:#fff;color:var(--primary-color);transform:translateY(-3px)}.navbar .btn{padding:8px 20px;font-size:.9rem;font-weight:600;border-radius:8px;transition:all .3s ease;min-width:120px;text-align:center}.navbar .btn-primary{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);border:none;color:#fff}.navbar .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,.3)}.navbar .btn-outline-primary{background:0 0;border:2px solid var(--primary-color);color:var(--primary-color)}.navbar .btn-outline-primary:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,.2)}.features-section{padding:100px 0;background:#f8f9fa}.feature-card{background:#fff;border-radius:20px;padding:2.5rem;text-align:center;box-shadow:0 15px 35px rgba(0,0,0,.1);transition:all .3s ease;height:100%;border:1px solid rgba(0,0,0,.05)}.feature-card:hover{transform:translateY(-15px);box-shadow:0 25px 50px rgba(0,0,0,.15)}.feature-icon{width:90px;height:90px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 2rem;font-size:2.5rem;color:#fff;background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%)}.stats-section{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);color:#fff;padding:80px 0}.stat-item{text-align:center;padding:2rem}.stat-number{font-size:3rem;font-weight:700;margin-bottom:.5rem}.stat-label{font-size:1.1rem;opacity:.9}.help-section{padding:100px 0;background:#fff}.help-card{background:linear-gradient(135deg,#f8f9fa 0,#e9ecef 100%);border-radius:20px;padding:2rem;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;height:100%;border:1px solid rgba(0,0,0,.05)}.help-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.help-icon{width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2rem;color:#fff}.help-icon.primary{background:var(--primary-color)}.help-icon.success{background:var(--success-color)}.help-icon.warning{background:var(--warning-color)}.help-icon.info{background:var(--info-color)}.faq-section{padding:100px 0;background:#f8f9fa}.faq-item{background:#fff;border-radius:15px;margin-bottom:1rem;box-shadow:0 5px 15px rgba(0,0,0,.1);overflow:hidden}.faq-question{background:#fff;padding:1.5rem;cursor:pointer;border:none;width:100%;text-align:left;font-weight:600;font-size:1.1rem;transition:all .3s ease;display:flex;justify-content:space-between;align-items:center}.faq-question:hover{background:#f8f9fa}.faq-answer{padding:0 1.5rem 1.5rem;background:#fff;display:none;border-top:1px solid #e9ecef}.cta-section{background:linear-gradient(135deg,var(--dark-color) 0,#495057 100%);color:#fff;padding:100px 0;text-align:center}.cta-title{font-size:2.5rem;font-weight:700;margin-bottom:1.5rem}.cta-subtitle{font-size:1.2rem;margin-bottom:2.5rem;opacity:.9}.footer{background:var(--dark-color);color:#fff;padding:60px 0 30px}.footer h5{color:var(--primary-color);margin-bottom:1.5rem}.footer a{color:#adb5bd;text-decoration:none;transition:color .3s ease}.footer a:hover{color:var(--primary-color)}.social-links a{display:inline-block;width:40px;height:40px;background:var(--primary-color);color:#fff;border-radius:50%;text-align:center;line-height:40px;margin:0 5px;transition:all .3s ease}.social-links a:hover{background:var(--secondary-color);transform:translateY(-3px)}.hero-image{max-width:100%;height:auto;border-radius:15px;box-shadow:0 20px 40px rgba(0,0,0,.1);transition:all .3s ease}.hero-image:hover{transform:translateY(-5px);box-shadow:0 25px 50px rgba(0,0,0,.15)}.btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.btn .spinner-border-sm{width:1rem;height:1rem}.modal .btn:disabled{opacity:.7}.modal .btn .spinner-border{animation:spinner-border .75s linear infinite}@keyframes spinner-border{to{transform:rotate(360deg)}}.btn-success-state{background-color:#28a745!important;border-color:#28a745!important;color:#fff!important}@media (max-width:768px){.navbar{padding:.75rem 0}.navbar-collapse{background:rgba(255,255,255,.98);margin-top:1rem;padding:1rem;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.navbar-nav{gap:.25rem}.nav-link{margin:0;padding:.75rem 0}.navbar .btn{display:block;width:100%;min-width:0;margin:.5rem 0 0!important}.hero-section{padding:110px 0 80px}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.stat-number{font-size:2rem}}