* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 body {
     font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
     background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
     color: #fff;
     min-height: 100vh;
     position: relative;
     overflow-x: hidden;
 }

 /* Elementos decorativos de fundo */
 body::before {
     content: '';
     position: fixed;
     top: -50%;
     left: -50%;
     width: 200%;
     height: 200%;
     background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
         radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
     animation: float 20s ease-in-out infinite;
     pointer-events: none;
 }

 @keyframes float {

     0%,
     100% {
         transform: translate(0, 0) rotate(0deg);
     }

     33% {
         transform: translate(30px, -30px) rotate(120deg);
     }

     66% {
         transform: translate(-20px, 20px) rotate(240deg);
     }
 }


 .hero {
     position: relative;
     height: 100vh;
     /* background: #031f39; */
     color: white;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     text-align: center;
     overflow: hidden;

 }

 .hero h1 {
     font-size: 4rem;
     font-weight: bold;
     margin: 0;
     background: linear-gradient(90deg, #ffcc00, #00ffcc);
     -webkit-background-clip: text;
     background-clip: text;
     -webkit-text-fill-color: transparent;
     padding: 10px 20px;
 }

 .hero p {
     font-size: 1.5rem;
     margin-top: 20px;
 }

 .form-control {
     height: 60px;
     font-size: 1.1rem;
 }

 .btn-custom {
     background-color: #ff5e57;
     color: white;
     height: 60px;
     font-size: 1.1rem;
     border: none;
     transition: transform 0.2s;
 }

 .btn-custom:hover {
     transform: scale(1.1);
 }

 .icons-background {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     overflow: hidden;
     z-index: 1;
 }

 .icon {
     position: absolute;
     font-size: 30px;
     color: white;
     opacity: 0.3;
     animation: float 10s infinite;
 }

 @keyframes float {
     0% {
         transform: translateY(0) rotate(0deg);
     }

     50% {
         transform: translateY(-20px) rotate(20deg);
     }

     100% {
         transform: translateY(0) rotate(0deg);
     }
 }

 .icon:hover {
     transform: scale(1.5);
     transition: transform 0.3s;
 }

 .brand {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 10px;
 }

 .brand img {
     width: 50px;
     height: 35px;
 }


 /* Features seção */
 .features {
     padding: 100px 20px;
     max-width: 1200px;
     margin: 0 auto;
 }

 .features-title {
     text-align: center;
     font-size: 2.5rem;
     font-weight: 700;
     margin-bottom: 80px;
     background: linear-gradient(45deg, #f1c40f, #2ecc71);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
 }

 .features-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
     gap: 40px;
     margin-bottom: 80px;
 }

 .feature-card {
     background: rgba(255, 255, 255, 0.08);
     border-radius: 20px;
     padding: 40px 30px;
     text-align: center;
     backdrop-filter: blur(15px);
     border: 1px solid rgba(255, 255, 255, 0.1);
     transition: all 0.3s ease;
     position: relative;
     overflow: hidden;
 }

 .feature-card:hover {
     transform: translateY(-10px);
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
     border-color: rgba(241, 196, 15, 0.3);
 }

 .feature-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     height: 3px;
     background: linear-gradient(90deg, #f1c40f, #2ecc71);
     border-radius: 20px 20px 0 0;
     opacity: 0;
     transition: opacity 0.3s ease;
 }

 .feature-card:hover::before {
     opacity: 1;
 }

 .feature-icon {
     font-size: 3rem;
     background: linear-gradient(45deg, #f1c40f, #2ecc71);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     margin-bottom: 20px;
 }

 .feature-title {
     font-size: 1.4rem;
     font-weight: 600;
     margin-bottom: 15px;
     color: rgba(255, 255, 255, 0.95);
 }

 .feature-description {
     color: rgba(255, 255, 255, 0.8);
     line-height: 1.6;
     font-size: 1.1rem;
 }

 /* Menu de links */
 .menu-links {
     text-align: center;
     padding: 40px;
     background: rgba(255, 255, 255, 0.05);
     border-radius: 20px;
     backdrop-filter: blur(10px);
 }

 .menu-links a {
     display: inline-block;
     color: rgba(255, 255, 255, 0.8);
     text-decoration: none;
     font-size: 1.1rem;
     font-weight: 500;
     padding: 12px 25px;
     margin: 0 10px 10px 0;
     border-radius: 25px;
     transition: all 0.3s ease;
     border: 1px solid rgba(255, 255, 255, 0.1);
 }

 .menu-links a:hover {
     color: #f1c40f;
     background: rgba(241, 196, 15, 0.1);
     border-color: rgba(241, 196, 15, 0.3);
     transform: translateY(-2px);
 }

 /* Footer */
 footer {
     background: rgba(0, 0, 0, 0.3);
     padding: 40px 20px;
     text-align: center;
     border-top: 1px solid rgba(255, 255, 255, 0.1);
 }

 footer p {
     color: rgba(255, 255, 255, 0.7);
     font-size: 1.1rem;
     margin: 0;
 }

 /* Animações */
 @keyframes slideInDown {
     from {
         opacity: 0;
         transform: translateY(-50px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(30px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 @keyframes slideInUp {
     from {
         opacity: 0;
         transform: translateY(40px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 /* Responsividade */
 @media (max-width: 768px) {
     .logo-text {
         font-size: 3rem;
     }

     .brand-container {
         flex-direction: column;
         gap: 15px;
     }

     .brazil-flag {
         width: 50px;
         height: 38px;
     }

     .hero-description {
         font-size: 1.2rem;
         padding: 0 10px;
     }

     .url-form {
         flex-direction: column;
         padding: 0 20px;
     }

     .features-grid {
         grid-template-columns: 1fr;
         gap: 30px;
     }

     .features-title {
         font-size: 2rem;
     }

     .menu-links a {
         display: block;
         margin: 10px 0;
     }
 }

 @media (max-width: 480px) {
     .logo-text {
         font-size: 2.5rem;
     }

     .hero-description {
         font-size: 1.1rem;
     }

     .url-input,
     .shorten-btn {
         font-size: 1rem;
         padding: 15px 20px;
     }

     .features {
         padding: 60px 20px;
     }

     .feature-card {
         padding: 30px 20px;
     }
 }