:root{--bg-color:#e0e5ec;--text-primary:#2c3e50;--text-secondary:#5a6c7d;--accent-color:#667eea;--shadow-light:#ffffff;--shadow-dark:#a3b1c6;--card-bg:#e0e5ec}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Poppins',sans-serif;background:var(--bg-color);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden;position:relative}.floating-shapes{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}.shape{position:absolute;border-radius:50%;background:var(--bg-color);box-shadow:20px 20px 60px var(--shadow-dark),-20px -20px 60px var(--shadow-light);opacity:.3;animation:float 20s infinite ease-in-out}.shape-1{width:150px;height:150px;top:10%;left:10%;animation-delay:0s}.shape-2{width:100px;height:100px;top:60%;right:15%;animation-delay:3s}.shape-3{width:80px;height:80px;bottom:15%;left:20%;animation-delay:6s}.shape-4{width:120px;height:120px;top:30%;right:25%;animation-delay:9s}@keyframes float{0%,100%{transform:translate(0,0) rotate(0deg)}25%{transform:translate(20px,-30px) rotate(90deg)}50%{transform:translate(-15px,20px) rotate(180deg)}75%{transform:translate(30px,10px) rotate(270deg)}}.container{position:relative;z-index:1;max-width:1000px;width:90%;text-align:center;padding:50px 20px;animation:fadeIn 1s ease-in}@keyframes fadeIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.logo-container{margin-bottom:40px;animation:fadeInDown 1s ease-in}.logo{width:180px;height:auto;max-width:100%;border-radius:20px;box-shadow:15px 15px 30px var(--shadow-dark),-15px -15px 30px var(--shadow-light);transition:transform 0.3s ease,box-shadow 0.3s ease}.logo:hover{transform:translateY(-5px);box-shadow:20px 20px 40px var(--shadow-dark),-20px -20px 40px var(--shadow-light)}@keyframes fadeInDown{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.main-title{font-size:3.5rem;font-weight:700;margin-bottom:20px;background:linear-gradient(135deg,var(--accent-color),#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text;animation:fadeInUp 1s ease-in 0.2s both}.subtitle{font-size:1.3rem;color:var(--text-secondary);margin-bottom:50px;font-weight:300;animation:fadeInUp 1s ease-in 0.4s both}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.adhesion-section{margin-bottom:50px;animation:fadeInUp 1s ease-in 0.5s both}.adhesion-btn{display:inline-flex;align-items:center;gap:12px;padding:18px 40px;border:none;border-radius:50px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:1.2rem;font-weight:600;text-decoration:none;cursor:pointer;box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light);transition:all 0.3s ease}.adhesion-btn:hover{transform:translateY(-5px) scale(1.05);box-shadow:15px 15px 30px var(--shadow-dark),-15px -15px 30px var(--shadow-light)}.adhesion-btn:active{transform:translateY(0) scale(1)}.adhesion-btn i{font-size:1.3rem;animation:heartbeat 1.5s ease-in-out infinite}@keyframes heartbeat{0%,100%{transform:scale(1)}10%,30%{transform:scale(1.2)}20%,40%{transform:scale(1)}}.languages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:60px;animation:fadeInUp 1s ease-in 0.6s both}.language-card{background:var(--card-bg);padding:40px 30px;border-radius:25px;box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light);transition:all 0.3s ease;cursor:pointer}.language-card:hover{transform:translateY(-10px);box-shadow:15px 15px 30px var(--shadow-dark),-15px -15px 30px var(--shadow-light)}.language-card:active{transform:translateY(-5px) scale(.98)}.flag{font-size:4rem;margin-bottom:15px;animation:bounce 2s infinite}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.language-card h3{font-size:1.5rem;margin-bottom:10px;color:var(--text-primary)}.language-card p{font-size:1rem;color:var(--text-secondary);font-weight:300}.loading-spinner{display:none;flex-direction:column;align-items:center;gap:20px;margin:30px 0;animation:fadeIn 0.3s ease-in}.loading-spinner.show{display:flex}.spinner{width:50px;height:50px;border:5px solid var(--bg-color);border-top:5px solid var(--accent-color);border-radius:50%;animation:spin 0.8s linear infinite;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-spinner p{color:var(--text-secondary);font-weight:500}.footer{margin-top:50px;animation:fadeInUp 1s ease-in 1s both}.footer p{color:var(--text-secondary);font-size:.9rem;font-weight:300}@media (max-width:768px){.main-title{font-size:2.5rem}.subtitle{font-size:1.1rem}.logo{width:140px}.adhesion-btn{padding:15px 35px;font-size:1.1rem}.languages-grid{grid-template-columns:1fr;gap:20px}.shape{display:none}}@media (max-width:480px){.main-title{font-size:2rem}.subtitle{font-size:1rem}.logo{width:120px}.adhesion-btn{padding:14px 30px;font-size:1rem;width:100%;justify-content:center}.language-card{padding:30px 20px}.flag{font-size:3rem}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}