:root{--primary:#1e3a8a;--primary-light:#3b82f6;--bg-dark:#0f172a;--bg-darker:#020617;--bg-card:#1e293bb3;--bg-features:#0f172a66;--bg-contact-info:linear-gradient(135deg, #1e3a8a80, #0f172acc);--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#f59e0b;--accent-hover:#d97706;--font-family:"Inter", system-ui, -apple-system, sans-serif;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--primary:#1e3a8a;--primary-light:#2563eb;--bg-dark:#f8fafc;--bg-darker:#f1f5f9;--bg-card:#fffc;--bg-features:#e2e8f099;--bg-contact-info:linear-gradient(135deg, #2563eb1a, #f1f5f9cc);--text-main:#0f172a;--text-muted:#475569;--accent:#f59e0b;--accent-hover:#d97706}[data-theme=light] .glass{border:1px solid #0000001a;box-shadow:0 4px 30px #0000000d}[data-theme=light] .navbar.scrolled{background:#f1f5f9e6;border-bottom:1px solid #0000000d}[data-theme=light] .btn-secondary{color:var(--text-main);border:1px solid #0003}[data-theme=light] .btn-secondary:hover{background:#0000000d;border-color:#0006}[data-theme=light] .social-link{background:#0000000d}[data-theme=light] .footer{background:var(--bg-darker);border-top:1px solid #0000000d}[data-theme=light] .footer-bottom{border-top:1px solid #0000000d}[data-theme=light] .form-input,[data-theme=light] .form-textarea{color:var(--text-main);background:#fff9;border:1px solid #0000001a}.theme-toggle{color:var(--text-main);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.5rem;display:flex}.theme-toggle:hover{background:#ffffff1a}[data-theme=light] .theme-toggle:hover{background:#0000000d}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--bg-darker);color:var(--text-main);line-height:1.6;overflow-x:hidden}.glass{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid #ffffff1a;box-shadow:0 4px 30px #0000001a}h1,h2,h3,h4{font-weight:700;line-height:1.2}.gradient-text{background:linear-gradient(135deg, var(--primary-light), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.navbar{z-index:1000;height:80px;transition:var(--transition);justify-content:space-between;align-items:center;padding:0 5%;display:flex;position:fixed;top:0;left:0;right:0}.navbar.scrolled{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#020617e6;border-bottom:1px solid #ffffff0d}.nav-logo{color:var(--text-main);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;text-decoration:none;display:flex}.nav-logo-icon{color:var(--primary-light)}.nav-menu{gap:2rem;list-style:none;display:flex}.nav-link{color:var(--text-muted);transition:var(--transition);font-size:.95rem;font-weight:500;text-decoration:none;position:relative}.nav-link:after{content:"";background:var(--primary-light);width:0;height:2px;transition:var(--transition);position:absolute;bottom:-4px;left:0}.nav-link:hover{color:var(--text-main)}.nav-link:hover:after{width:100%}.nav-cta{background:linear-gradient(135deg, var(--primary), var(--primary-light));color:#fff;transition:var(--transition);cursor:pointer;border:none;border-radius:999px;padding:.5rem 1.25rem;font-weight:600;text-decoration:none}.nav-cta:hover{transform:translateY(-2px);box-shadow:0 4px 15px #3b82f666}section{padding:100px 5%}.hero{align-items:center;min-height:100vh;padding-top:80px;display:flex;position:relative;overflow:hidden}.hero-bg{z-index:-1;background:radial-gradient(circle,#1e3a8a26 0%,#0000 50%);width:200%;height:200%;animation:15s ease-in-out infinite alternate pulse;position:absolute;top:-50%;left:-50%}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.1)}}.hero-content{max-width:600px}.hero-title{margin-bottom:1.5rem;font-size:4rem}.hero-subtitle{color:var(--text-muted);margin-bottom:2.5rem;font-size:1.2rem}.hero-buttons{gap:1rem;display:flex}.btn{transition:var(--transition);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.8rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary-light), var(--primary));color:#fff}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 25px #3b82f680}.btn-secondary{color:var(--text-main);background:0 0;border:1px solid #fff3}.btn-secondary:hover{background:#ffffff0d;border-color:#fff6}.hero-image-container{flex:1;justify-content:center;align-items:center;display:flex;position:relative}.hero-image{border-radius:20px;width:100%;max-width:500px;animation:6s ease-in-out infinite float}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.section-header{text-align:center;margin-bottom:4rem}.section-title{margin-bottom:1rem;font-size:2.5rem}.section-subtitle{color:var(--text-muted);max-width:600px;margin:0 auto}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.feature-card{transition:var(--transition);border-radius:16px;padding:2.5rem;position:relative;overflow:hidden}.feature-card:before{content:"";opacity:0;width:100%;height:100%;transition:var(--transition);background:linear-gradient(135deg,#3b82f61a,#0000);position:absolute;top:0;left:0}.feature-card:hover{border-color:#3b82f64d;transform:translateY(-10px)}.feature-card:hover:before{opacity:1}.feature-icon{width:60px;height:60px;color:var(--primary-light);background:#3b82f61a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.feature-title{margin-bottom:1rem;font-size:1.25rem}.feature-desc{color:var(--text-muted)}.contact-container{gap:4rem;max-width:1200px;margin:0 auto;display:flex}.contact-info{flex:1}.contact-form{border-radius:20px;flex:1;padding:3rem}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-muted);margin-bottom:.5rem;font-weight:500;display:block}.form-input,.form-textarea{width:100%;color:var(--text-main);transition:var(--transition);background:#0f172a99;border:1px solid #ffffff1a;border-radius:8px;padding:1rem;font-family:inherit}.form-input:focus,.form-textarea:focus{border-color:var(--primary-light);outline:none;box-shadow:0 0 0 3px #3b82f633}.form-textarea{resize:vertical;min-height:150px}.footer{background:var(--bg-dark);border-top:1px solid #ffffff0d;padding:4rem 5% 2rem}.footer-content{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.footer-socials{gap:1rem;display:flex}.social-link{width:40px;height:40px;color:var(--text-main);transition:var(--transition);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;display:flex}.social-link:hover{background:var(--primary-light);transform:translateY(-3px)}.footer-bottom{text-align:center;color:var(--text-muted);border-top:1px solid #ffffff0d;padding-top:2rem;font-size:.9rem}.img-academia{border-radius:12px;width:33%;box-shadow:0 8px 16px #0003}@media (width<=900px){.hero{text-align:center;flex-direction:column;padding-top:120px}.hero-buttons{justify-content:center}.hero-image-container{margin-top:3rem}.contact-container{flex-direction:column}.nav-menu{display:none}}