:root{--primary-color: #0a3d62;--primary-medium: #1565c0;--primary-dark: #072a43;--secondary-color: #e67e22;--secondary-medium: #cf6b1f;--secondary-dark: #a65c12;--accent-light: #eef2f7;--white: #ffffff;--light-gray: #f8f9fa;--dark-gray: #343a40;--border-radius: 15px;--shadow-sm: 0 2px 5px rgba(0, 0, 0, .1);--shadow-md: 0 5px 15px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--transition: .3s ease}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--light-gray);color:var(--dark-gray);line-height:1.6}.landing-header{background-color:var(--white);box-shadow:var(--shadow-sm);padding:15px 0;position:fixed;top:0;width:100%;z-index:1000}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}.logo{height:55px}.landing-nav{display:flex;gap:15px}.nav-btn{padding:8px 16px;border-radius:6px;font-weight:600;transition:all var(--transition);text-decoration:none}.login-btn{color:var(--primary-color);border:1px solid var(--primary-color)}.login-btn:hover,.signup-btn{background-color:var(--primary-color);color:var(--white)}.signup-btn:hover{background-color:var(--primary-dark)}.landing-main{padding-top:80px}.hero-section{display:flex;flex-direction:column;align-items:center;padding:60px 20px;background:linear-gradient(135deg,var(--primary-color),var(--primary-medium));color:var(--white);text-align:center}.hero-content{max-width:600px;margin-bottom:40px}.hero-buttons{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.hero-img{width:100%;max-width:500px}.btn{padding:12px 25px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition),transform var(--transition);display:inline-block;text-align:center;text-decoration:none}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px)}.btn-secondary{background-color:var(--secondary-color);color:var(--white)}.btn-secondary:hover{background-color:var(--secondary-dark);transform:translateY(-2px)}.btn-large{font-size:1.1rem;padding:14px 30px}.how-it-works{padding:60px 20px;background-color:var(--white);text-align:center}.cards-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;max-width:1200px;margin:0 auto}.info-card{background-color:var(--white);border-radius:16px;padding:30px 20px;box-shadow:var(--shadow-md);transition:transform var(--transition)}.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.card-icon{font-size:2.5rem;color:var(--secondary-color);margin-bottom:20px}.about-section{padding:60px 20px;background-color:var(--accent-light);text-align:center}.about-content{max-width:800px;margin:0 auto}.tech-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:30px}.badge{background-color:var(--accent-light);color:var(--primary-dark);border:1px solid var(--primary-medium);padding:8px 16px;border-radius:20px;font-size:.9rem;font-weight:500}.cta-section{padding:60px 20px;text-align:center;background:linear-gradient(135deg,var(--secondary-color),var(--secondary-medium));color:var(--white)}.app-footer{background-color:var(--primary-dark);color:var(--white);padding:20px 0;text-align:center;margin-top:auto}.footer-content{display:flex;flex-direction:column;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}.footer-content img{max-width:300px}.container{max-width:1200px;margin:0 auto;padding:0 20px;box-sizing:border-box;display:flex;justify-content:space-between;align-items:center;flex-direction:column}.footer-links{display:flex;gap:20px;margin-top:15px}.footer-links a{color:var(--secondary-color);text-decoration:none;transition:color var(--transition)}.footer-links a:hover{color:var(--white)}@media (min-width: 768px){.footer-content{flex-direction:column;justify-content:space-between;align-items:center}}@media (min-width: 992px){.hero-section{flex-direction:row;justify-content:space-between;text-align:left;padding:80px 40px}.container{flex-direction:row}.hero-content{margin-right:40px}.hero-buttons{justify-content:flex-start}}@media (max-width: 768px){.hero-content h1{font-size:2rem}.cards-container{grid-template-columns:1fr}}@media (max-width: 460px){.signup-btn{display:none}}